阅读说明：本技术 一种抛丸喷砂金属粉尘除尘火焰探测预警智能应急控制灭火系统 (Shot blasting and sand blasting metal dust removing flame detection early warning intelligent emergency control fire extinguishing system ) 是由 孟宪卫 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种抛丸喷砂金属粉尘除尘火焰探测预警智能应急控制灭火系统,所述灭火系统包括风管管网、碳酸钙惰化粉体供应装置、D类灭火剂供应装置、设备控制柜、数据远程智能电控柜和灭火供水装置。该灭火系统中的数据采集模块能够时刻探测系统中设定部位是否有火花产生,监测系统中设定部位的温度、压力和压差,并通过远程监控控制模块对系统进行远程监控；当检测到灭火系统出现火花及闪燃时候,数据远程智能电控柜通过执行模块控制D类灭火剂供应装置和灭火供水装置消除系统中出现的火花和火焰。本发明具有针对粉尘出现火花及闪燃风险,实现对粉尘施以阻燃性、探测及熄灭点燃粉尘的火花,扑灭闪燃燃烧火焰及远程应急处置和控制的智能功能。(The invention discloses an intelligent emergency control fire extinguishing system for shot blasting, sand blasting, metal dust removing, flame detecting and early warning, which comprises an air pipe network, a calcium carbonate inerting powder supply device, a D-type fire extinguishing agent supply device, an equipment control cabinet, a data remote intelligent electric control cabinet and a fire extinguishing water supply device. The data acquisition module in the fire extinguishing system can detect whether sparks are generated at a set part in the system at any time, monitor the temperature, the pressure and the pressure difference of the set part in the system and remotely monitor the system through the remote monitoring control module; when detecting that spark and flash fire appear in the fire extinguishing system, the automatically controlled cabinet of data remote intelligence passes through execution module control D class fire extinguishing agent feeding mechanism and the spark and the flame that appear in the water supply installation of putting out a fire and eliminate the system. The invention has the intelligent functions of applying flame retardance to dust, detecting and extinguishing sparks igniting the dust, extinguishing flash combustion flame and remotely emergency handling and control aiming at the spark occurrence and flash risk of the dust.)

1. The intelligent emergency control fire extinguishing system for shot blasting, sand blasting, metal dust removal and flame detection and early warning is characterized by comprising an air pipe network, a dust separator, a calcium carbonate inerting powder supply device (80), a D-type fire extinguishing agent supply device (90), a filter (100), a filter driving element (120), an equipment control cabinet (140), a data remote intelligent electric control cabinet (150) and a fire extinguishing water supply device (160);

the air pipe network comprises a first dust removal pipeline (10), a first dust separator exhaust pipeline (30), a second dust removal pipeline (40), a second dust separator exhaust pipeline (60), a third dust removal pipeline (70), a filter exhaust pipeline (110) and a filter driving element exhaust pipe (130), one end of each of the first dust removal pipeline (10) and the second dust removal pipeline (40) is connected with sand blasting process machining equipment or shot blasting process machining equipment, and the other end of each of the first dust removal pipeline (10) is connected with an air inlet of the first dust separator (20); the other end of the second dust removal pipeline (40) is connected with an air inlet of a second dust separator (50); one end of the first dust separator exhaust duct (30) is connected with an exhaust outlet of the first dust separator (20), one end of the second dust separator exhaust duct (60) is connected with an exhaust outlet of the second dust separator (50), the other ends of the first dust separator exhaust duct (30) and the second dust separator exhaust duct (60) are gathered together and connected to one end of a third dust removal duct (70), and the other end of the third dust removal duct (70) is connected to an air inlet of the filter (100); one end of the filter exhaust pipe (110) is connected with an air outlet of the filter (100), the other end of the filter exhaust pipe (110) is connected to the filter driving element (120), and the connection part of the filter driving element (120) and the filter exhaust pipe (110) is connected with a pipeline by using a filter exhaust pipe flexible connecting piece (111); one end of the filter driving element exhaust pipe (130) is connected with an air outlet of the filter driving element, the other end of the filter driving element exhaust pipe (130) is used for exhausting air, and the filter driving element exhaust pipe (130) is provided with a lightning protection grounding element (131) for grounding;

the dust separator comprises a first dust separator (20) and a second dust separator (50), wherein the first dust separator (20) and the second dust separator (50) respectively comprise a dust separator ash hopper (21), a dust separator air-locking ash-discharging device (22), a dust separator air-locking ash-discharging device driving element (23), a dust separator air-locking ash-discharging device driving element electric insulation grounding element (24), a dust separator ash-falling flexible connecting pipe (25) and a dust separator dust collecting container (26), the dust separator air-locking ash-discharging device (22) is arranged below the dust separator ash hopper (21), the dust separator air-locking ash-discharging device driving element (23) provides power for the dust separator air-locking ash-discharging device (22), and the dust separator air-locking ash-discharging device driving element (23) needs to be provided with the dust separator air-locking ash-discharging device driving element electric insulation grounding element (24) for grounding treatment; one end of the dust separator dust falling flexible connecting pipe fitting (25) is connected with the lower part of the dust separator air locking and dust discharging device (22), and the other end of the dust separator dust falling flexible connecting pipe fitting (25) is connected with the dust separator dust collecting container (26);

the calcium carbonate inerting powder supply device (80) comprises a calcium carbonate inerting powder supply device powder conveying pipeline (81), a calcium carbonate inerting device driving element (82), a calcium carbonate powder container (83) and a calcium carbonate inerting device data display element (84), and the calcium carbonate inerting powder supply device (80) is connected to the third dust removing pipeline (70) through the calcium carbonate inerting powder supply device powder conveying pipeline (81); the calcium carbonate inerting device driving element (82) provides power for the calcium carbonate inerting powder supply device (80); the calcium carbonate powder container (83) is used for storing calcium carbonate inerting powder;

the D-type fire extinguishing agent supply device (90) comprises a D-type fire extinguishing agent conveying pipeline (91), a D-type fire extinguishing agent supply device data display element (92), a control valve (93), a D-type fire extinguishing agent pressure display element (94), a D-type fire extinguishing agent container (95) and a D-type fire extinguishing agent container weighing element (96), one end of the D-type fire extinguishing agent conveying pipeline (91) is connected to the D-type fire extinguishing agent container (95), the control valve (93) and the D-type fire extinguishing agent pressure display element (94) are installed on the D-type fire extinguishing agent conveying pipeline (91), and the other end of the D-type fire extinguishing agent conveying pipeline (91) is connected to each injection element (1511) respectively; a class D fire extinguishing agent container weighing element (96) is arranged below the class D fire extinguishing agent container (95), and data and operation conditions of the class D fire extinguishing agent container weighing element (96) are displayed in a class D fire extinguishing agent supply device data display element (92);

the filter (100) comprises a filter air purifying chamber (101), a filter pulse ash removing device (102), a filter pulse ash removing device gas container (103), a filter element (104), a filter box body (105), a filter explosion venting element (106), a filter ash hopper (107), a filter air locking ash discharging device (108), a filter air locking ash discharging device driving element (109), a filter air locking ash discharging device driving element electric insulation grounding element (1010), a filter ash falling flexible connecting pipe (1011) and a filter dust collecting container (1012), wherein the filter element (104) is arranged in the filter box body (105), the air outlet end of the filter element (104) is connected with the filter air purifying chamber (101), and the air outlet end of the filter element (104) is provided with the filter pulse ash removing device (102); the gas container (103) of the filter pulse ash removal device provides high-pressure gas for the filter pulse ash removal device (102); a filter air-locking and ash-discharging device (108) is connected below the filter ash hopper (107); the filter air-locking ash discharging device driving element (109) provides power for the filter air-locking ash discharging device (108), and the filter air-locking ash discharging device driving element (109) needs to be provided with a filter air-locking ash discharging device driving element electrical insulation grounding element (1010) for grounding; one end of the filter ash falling flexible connecting pipe fitting (1011) is connected to the lower part of the filter air locking and ash discharging device (108), the other end of the filter ash falling flexible connecting pipe fitting (1011) is connected with the filter dust collecting container (1012), and a plurality of filter explosion venting elements (106) are arranged on the side surface of the filter box body (105) below the filter element (104);

the filter driving element (120) comprises a filter driving element observation port (121) and a filter driving element electric insulation grounding element (122), the fan provides power for the filter driving element (120), the filter driving element (120) is provided with the filter driving element observation port (121), and the filter driving element (120) is grounded through the filter driving element electric insulation grounding element (122);

the fire extinguishing water supply device (160) is controlled by a data remote intelligent electric control cabinet (150), the fire extinguishing water supply device (160) comprises a water pool (161), a fire extinguishing water supply device driving element (162), a gate valve (163), a check valve (164), a fire extinguishing water supply device driving element combiner (165), a signal butterfly valve element (166), an alarm valve device (167), a fire extinguishing water supply device conveying water pipe (168), a high-level water tank (169), a butterfly valve (1610), a water flow indicator (1611) and a terminal water testing device (1612), one end of the fire extinguishing water supply device driving element (162) is connected with the water pool (161) through the fire extinguishing water supply device conveying water pipe, the other end of the fire extinguishing water supply device driving element (162) is connected with the signal butterfly valve element (166) through the fire extinguishing water supply device conveying water pipe, and the fire extinguishing water supply device conveying water pipe (168) between the fire extinguishing water supply device driving element (162) and the signal butterfly valve element (166) is provided with the gate valve (163), A check valve (164), a fire suppression water supply drive element coupler (165), and a high level tank (169); one end of the alarm valve device (167) is connected with a signal butterfly valve element (166), the other end of the alarm valve device (167) is connected with a water flow indicator (1611), a butterfly valve (1610) is arranged on a fire extinguishing water supply device delivery water pipe (168) between the alarm valve device (167) and the water flow indicator (1611), and the alarm valve device (167) comprises a pressure data display element (1671), a time delay device (1672), a hydraulic alarm element (1673) and a pressure switch element (1674); one end of the water flow indicator (1611) with water is respectively connected to the spraying elements (1511) through a fire extinguishing water supply device delivery water pipe (168); the tail end of the fire extinguishing water supply device conveying water pipe (168) is provided with a tail end water testing device (1612);

the control system comprises an equipment control cabinet (140) and a data remote intelligent electric control cabinet (150), wherein the equipment control cabinet (140) comprises electrical control over sand blasting processing equipment and shot blasting processing equipment; the remote intelligent data electric control cabinet (150) comprises a data acquisition module (152), an execution module (151), a self-calibration module (153), an alarm module (155) and a remote monitoring control module (154), wherein detection elements connected with the data acquisition module (152) comprise a spark detection element (1521), a temperature monitoring element (1522), a filter ash removal pressure monitoring element (1523), a filter inlet and outlet air pressure difference monitoring element (1524) and an operation detection element (1525); the data acquisition module (152) is used for acquiring and receiving system operation parameters, and the system operation parameters comprise equipment operation information of a spark detection element (1521), a temperature monitoring element (1522), a filter ash removal pressure monitoring element (1523), a filter inlet and outlet air pressure difference monitoring element (1524) and an operation detection element (1525).

2. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: the number of the sand blasting process processing equipment or the shot blasting process processing equipment is more than or equal to 1.

3. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: the implementation module (151) comprises control over a jet element (1511), interlocking control over equipment and control over a fire extinguishing water supply device (160), the implementation module (151) calculates and analyzes operating parameters of the fire extinguishing system, and if the operating parameters of the system reach preset conditions, the implementation module (151) can control the corresponding jet element to jet a D-type fire extinguishing agent or water to eliminate sparks or extinguish flames and block flame propagation.

4. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: the self-checking module (153) is used for carrying out self-checking on the system.

5. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: the alarm module (155) is used for sending an alarm signal when the system operation parameter reaches a preset condition.

6. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: the remote monitoring control module (154) is used for remotely connecting a remote monitoring control system (1541) for data sharing, and the remote monitoring control system (1541) is connected with the fixed terminal (1542) and the mobile terminal (1543) and shares data with the fixed terminal (1542) and the mobile terminal (1543); the fixed terminal (1542) and the mobile terminal (1543) monitor and control the data remote control cabinet through the remote monitoring control system (1541).

7. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: nine spraying elements (1511) are arranged in total, a first spraying element (V1) is arranged at the top of a dust separator ash bucket (21) of the first dust separator (20), a second spraying element (V2) is arranged at the top of a dust separator ash bucket (21) of the second dust separator (50), a third spraying element (V3) is arranged at the joint of the third dust removal pipeline (70) and the filter (100), a fourth spraying element (V4) is arranged in a filter ash bucket (107) of the filter (100), a sixth spraying element (V6) and a seventh spraying element (V7) are arranged at the top of a filter air purifying chamber (101) of the filter (100), an eighth spraying element (V8) is arranged in the first dust removal pipeline (10), an eighth spraying element (V9) is arranged in the second dust removal pipeline (40), and the D-type fire extinguishing agent supply device (90) is connected with the first spraying element (V1) through a D-type fire extinguishing agent conveying pipeline (91), And the second spraying element (V2), the third spraying element (V3), the fourth spraying element (V4) and the sixth spraying element (V6) are communicated, and the fire-extinguishing water supply device (160) is communicated with the seventh spraying element (V7), the eighth spraying element (V8) and the ninth spraying element (V9) through a fire-extinguishing water supply device water conveying pipe (168).

8. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: be equipped with a spark detection component (1521) and a temperature monitoring component (1522) in first dust separator exhaust pipe (30) and second dust separator exhaust pipe (60) respectively, be equipped with two temperature monitoring components (1522) in filter ash bucket (107) of filter (100), filter (100) are equipped with one degree detection element (1522) with the junction of filter exhaust pipe (110).

9. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: be equipped with operation detecting element (1525) on dust separator lock gas ash discharging device drive element (23) of first dust separator (20) and second dust separator (50) respectively, be equipped with operation detecting element (1525) on calcium carbonate inerting device drive element (82) of calcium carbonate inerting powder supply device (80), be equipped with operation detecting element (1525) on filter lock gas ash discharging device drive element (109) of filter (100), be equipped with operation detecting element (1525) on filter drive element (120), be equipped with operation detecting element (1525) on fire extinguishing water supply device drive element (162) of fire extinguishing water supply device (160) and be equipped with operation detecting element (1525).

10. The shot blasting and sand blasting metal dust removing and flame detecting and early warning intelligent emergency control fire extinguishing system as claimed in claim 1, which is characterized in that: the filter inlet and outlet air pressure difference monitoring element (1524) is arranged between a filter box body (105) of the filter (100) and a filter air purifying chamber (101), a filter access door (1013) is arranged on one side of the filter (100), and a filter alarm element (1014) is arranged on one side, which is obvious and free of a blocking object, of the filter (100).

Technical Field

The invention relates to the technical field of metal dust removal control, in particular to an intelligent emergency control fire extinguishing system for shot blasting, sand blasting and metal dust removal flame detection and early warning.

Background

The metal dust belongs to combustible dust which can be violently combusted, the ignition energy for igniting the metal dust cloud is less than 35mJ, the metal product shot blasting and sand blasting processing technology has the risk of generating continuous sparks, and the dry dust removal technology is easy to generate sparks to ignite the metal dust cloud, so that combustion flame and dust explosion occur, and serious production safety accidents are caused.

At present, the controlled explosion technology of metal dust mainly adopts physical explosion venting, the combustion flame of the metal dust cannot be extinguished through the physical explosion venting, and the dust in the dust remover is still continuously combusted after the physical explosion venting. The intelligent emergency control fire extinguishing technology for metal dust removing flame detection and early warning is characterized in that a spark detection element is arranged to monitor continuous sparks generated by a metal product shot blasting and sand blasting processing process and D-type fire extinguishing agents special for extinguishing metal dust flames are adopted to extinguish the sparks; arranging a calcium carbonate inerting powder supply device for spraying calcium carbonate inerting powder, and spraying the calcium carbonate inerting powder to the collected metal dust, so that the metal dust is mixed with the flame-retardant calcium carbonate inerting powder, and the metal dust loses explosiveness; for the metal dust which is still continuously burnt, a temperature monitoring element is arranged to detect the high temperature generated by the flame and a D-type extinguishing agent special for extinguishing the metal dust flame is adopted to extinguish the flame; in the working condition of metal dust removal by shot blasting and sand blasting, the quantity of sparks and high flame combustion temperature are variable values, and the fire control system is provided with a data acquisition module, a data remote intelligent electric control cabinet, a remote monitoring control module, a data signal transmission remote terminal device and remote early warning intelligent emergency control fire extinguishing; to detect the metal dust which is still continuously burnt, the intelligent interlocking filter driving element is controlled in an emergency mode to enable the dust not to be trapped and enter the filter, the intelligent interlocking dust separator and the dust remover air locking and dust discharging device driving element enable the burnt dust not to fall into the dust hopper, the intelligent interlocking filter dust removing pressure driving element enables dust removing air not to blow into the filter, and the intelligent interlocking fire extinguishing water supply device driving element sprays water into the dust separator and the dust remover to extinguish the metal dust flame which is still continuously burnt.

Disclosure of Invention

In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: the intelligent emergency control fire extinguishing system for shot blasting, sand blasting, metal dust removal and flame detection and early warning is characterized by comprising an air pipe network, a dust separator, a calcium carbonate inerting powder supply device (80), a D-type fire extinguishing agent supply device (90), a filter (100), a filter driving element (120), an equipment control cabinet (140), a data remote intelligent electric control cabinet (150) and a fire extinguishing water supply device (160);

the air pipe network comprises a first dust removal pipeline (10), a first dust separator exhaust pipeline (30), a second dust removal pipeline (40), a second dust separator exhaust pipeline (60), a third dust removal pipeline (70), a filter exhaust pipeline (110) and a filter driving element exhaust pipe (130), one end of each of the first dust removal pipeline (10) and the second dust removal pipeline (40) is connected with sand blasting process machining equipment or shot blasting process machining equipment, and the other end of each of the first dust removal pipeline (10) is connected with an air inlet of the first dust separator (20); the other end of the second dust removal pipeline (40) is connected with an air inlet of a second dust separator (50); one end of the first dust separator exhaust duct (30) is connected with an exhaust outlet of the first dust separator (20), one end of the second dust separator exhaust duct (60) is connected with an exhaust outlet of the second dust separator (50), the other ends of the first dust separator exhaust duct (30) and the second dust separator exhaust duct (60) are gathered together and connected to one end of a third dust removal duct (70), and the other end of the third dust removal duct (70) is connected to an air inlet of the filter (100); one end of the filter exhaust pipe (110) is connected with an air outlet of the filter (100), the other end of the filter exhaust pipe (110) is connected to the filter driving element (120), and the connection part of the filter driving element (120) and the filter exhaust pipe (110) is connected with a pipeline by using a filter exhaust pipe flexible connecting piece (111); one end of the filter driving element exhaust pipe (130) is connected with an air outlet of the filter driving element, the other end of the filter driving element exhaust pipe (130) is used for exhausting air, and the filter driving element exhaust pipe (130) is provided with a lightning protection grounding element (131) for grounding;

the dust separator comprises a first dust separator (20) and a second dust separator (50), wherein the first dust separator (20) and the second dust separator (50) respectively comprise a dust separator ash hopper (21), a dust separator air-locking ash-discharging device (22), a dust separator air-locking ash-discharging device driving element (23), a dust separator air-locking ash-discharging device driving element electric insulation grounding element (24), a dust separator ash-falling flexible connecting pipe (25) and a dust separator dust collecting container (26), the dust separator air-locking ash-discharging device (22) is arranged below the dust separator ash hopper (21), the dust separator air-locking ash-discharging device driving element (23) provides power for the dust separator air-locking ash-discharging device (22), and the dust separator air-locking ash-discharging device driving element (23) needs to be provided with the dust separator air-locking ash-discharging device driving element electric insulation grounding element (24) for grounding treatment; one end of the dust separator dust falling flexible connecting pipe fitting (25) is connected with the lower part of the dust separator air locking and dust discharging device (22), and the other end of the dust separator dust falling flexible connecting pipe fitting (25) is connected with the dust separator dust collecting container (26);

the calcium carbonate inerting powder supply device (80) comprises a calcium carbonate inerting powder supply device powder conveying pipeline (81), a calcium carbonate inerting device driving element (82), a calcium carbonate powder container (83) and a calcium carbonate inerting device data display element (84), and the calcium carbonate inerting powder supply device (80) is connected to the third dust removing pipeline (70) through the calcium carbonate inerting powder supply device powder conveying pipeline (81); the calcium carbonate inerting device driving element (82) provides power for the calcium carbonate inerting powder supply device (80); the calcium carbonate powder container (83) is used for storing calcium carbonate inerting powder;

the D-type fire extinguishing agent supply device (90) comprises a D-type fire extinguishing agent conveying pipeline (91), a D-type fire extinguishing agent supply device data display element (92), a control valve (93), a D-type fire extinguishing agent pressure display element (94), a D-type fire extinguishing agent container (95) and a D-type fire extinguishing agent container weighing element (96), one end of the D-type fire extinguishing agent conveying pipeline (91) is connected to the D-type fire extinguishing agent container (95), the control valve (93) and the D-type fire extinguishing agent pressure display element (94) are installed on the D-type fire extinguishing agent conveying pipeline (91), and the other end of the D-type fire extinguishing agent conveying pipeline (91) is connected to each injection element (1511) respectively; a class D fire extinguishing agent container weighing element (96) is arranged below the class D fire extinguishing agent container (95), and the data and the operation condition of the class D fire extinguishing agent container weighing element (96) are displayed in a class D fire extinguishing agent supply device data display element (92);

the filter (100) comprises a filter air purifying chamber (101), a filter pulse ash removing device (102), a filter pulse ash removing device gas container (103), a filter element (104), a filter box body (105), a filter explosion venting element (106), a filter ash hopper (107), a filter air locking ash discharging device (108), a filter air locking ash discharging device driving element (109), a filter air locking ash discharging device driving element electric insulation grounding element (1010), a filter ash falling flexible connecting pipe (1011) and a filter dust collecting container (1012), wherein the filter element (104) is arranged in the filter box body (105), the air outlet end of the filter element (104) is connected with the filter air purifying chamber (101), and the air outlet end of the filter element (104) is provided with the filter pulse ash removing device (102); the gas container (103) of the filter pulse ash removal device provides high-pressure gas for the filter pulse ash removal device (102); a filter air-locking and ash-discharging device (108) is connected below the filter ash hopper (107); the filter air-locking ash discharging device driving element (109) provides power for the filter air-locking ash discharging device (108), and the filter air-locking ash discharging device driving element (109) needs to be provided with a filter air-locking ash discharging device driving element electrical insulation grounding element (1010) for grounding; one end of the filter ash falling flexible connecting pipe fitting (1011) is connected to the lower part of the filter air locking and ash discharging device (108), the other end of the filter ash falling flexible connecting pipe fitting (1011) is connected with the filter dust collecting container (1012), and a plurality of filter explosion venting elements (106) are arranged on the side surface of the filter box body (105) below the filter element (104);

the filter driving element (120) comprises a filter driving element observation port (121) and a filter driving element electric insulation grounding element (122), the fan provides power for the filter driving element (120), the filter driving element (120) is provided with the filter driving element observation port (121), and the filter driving element (120) is grounded through the filter driving element electric insulation grounding element (122);

the fire extinguishing water supply device (160) is controlled by a data remote intelligent electric control cabinet (150), the fire extinguishing water supply device (160) comprises a water pool (161), a fire extinguishing water supply device driving element (162), a gate valve (163), a check valve (164), a fire extinguishing water supply device driving element combiner (165), a signal butterfly valve element (166), an alarm valve device (167), a fire extinguishing water supply device conveying water pipe (168), a high-level water tank (169), a butterfly valve (1610), a water flow indicator (1611) and a terminal water testing device (1612), one end of the fire extinguishing water supply device driving element (162) is connected with the water pool (161) through the fire extinguishing water supply device conveying water pipe, the other end of the fire extinguishing water supply device driving element (162) is connected with the signal butterfly valve element (166) through the fire extinguishing water supply device conveying water pipe, and the fire extinguishing water supply device conveying water pipe (168) between the fire extinguishing water supply device driving element (162) and the signal butterfly valve element (166) is provided with the gate valve (163), A check valve (164), a fire suppression water supply drive element coupler (165), and a high level tank (169); one end of the alarm valve device (167) is connected with a signal butterfly valve element (166), the other end of the alarm valve device (167) is connected with a water flow indicator (1611), a butterfly valve (1610) is arranged on a fire extinguishing water supply device delivery water pipe (168) between the alarm valve device (167) and the water flow indicator (1611), and the alarm valve device (167) comprises a pressure data display element (1671), a time delay device (1672), a hydraulic alarm element (1673) and a pressure switch element (1674); one end of the water flow indicator (1611) with water is respectively connected to the spraying elements (1511) through a fire extinguishing water supply device delivery water pipe (168); the tail end of the fire extinguishing water supply device conveying water pipe (168) is provided with a tail end water testing device (1612);

the control system comprises an equipment control cabinet (140) and a data remote intelligent electric control cabinet (150), wherein the equipment control cabinet (140) comprises electrical control over sand blasting processing equipment and shot blasting processing equipment; the remote intelligent data electric control cabinet (150) comprises a data acquisition module (152), an execution module (151), a self-calibration module (153), an alarm module (155) and a remote monitoring control module (154), wherein detection elements connected with the data acquisition module (152) comprise a spark detection element (1521), a temperature monitoring element (1522), a filter ash removal pressure monitoring element (1523), a filter inlet and outlet air pressure difference monitoring element (1524) and an operation detection element (1525); the data acquisition module (152) is used for acquiring and receiving system operation parameters, and the system operation parameters comprise equipment operation information of a spark detection element (1521), a temperature monitoring element (1522), a filter ash removal pressure monitoring element (1523), a filter inlet and outlet air pressure difference monitoring element (1524) and an operation detection element (1525).

Preferably, the number of the sand blasting processing equipment or the shot blasting processing equipment is more than or equal to 1.

Preferably, the execution module (151) comprises control over a spraying element (1511), interlocking control over equipment and control over a fire extinguishing water supply device (160), the execution module (151) performs calculation and analysis on operating parameters of the fire extinguishing system, and if the operating parameters of the system reach preset conditions, the execution module (151) can control the corresponding spraying element to spray D-type fire extinguishing agents or water to eliminate sparks or extinguish flames and block flame propagation.

Preferably, the self-calibration module (153) is used for self-checking the system.

Preferably, the alarm module (155) is configured to send an alarm signal when the system operating parameter reaches a preset condition.

Preferably, the remote monitoring control module (154) is configured to remotely connect to a remote monitoring control system (1541) for data sharing, and the remote monitoring control system (1541) is connected to the fixed terminal (1542) and the mobile terminal (1543) and is configured to share data with the fixed terminal (1542) and the mobile terminal (1543); the fixed terminal (1542) and the mobile terminal (1543) monitor and control the data remote control cabinet through the remote monitoring control system (1541).

Preferably, nine spraying elements (1511) are arranged in total, a first spraying element (V1) is arranged at the top of a dust separator ash bucket (21) of the first dust separator (20), a second spraying element (V2) is arranged at the top of a dust separator ash bucket (21) of the second dust separator (50), a third spraying element (V3) is arranged at the joint of the third dust removing pipeline (70) and the filter (100), a fourth spraying element (V4) is arranged in a filter ash bucket (107) of the filter (100), a sixth spraying element (V6) and a seventh spraying element (V7) are arranged at the top of a filter air purifying chamber (101) of the filter (100), an eighth spraying element (V8) is arranged in the first dust removing pipeline (10), an eighth spraying element (V9) is arranged in the second dust removing pipeline (40), and the D-type fire extinguishing agent supply device (90) is connected with the first spraying element (V1) through a D-type fire extinguishing agent conveying pipeline (91), And the second spraying element (V2), the third spraying element (V3), the fourth spraying element (V4) and the sixth spraying element (V6) are communicated, and the fire-extinguishing water supply device (160) is communicated with the seventh spraying element (V7), the eighth spraying element (V8) and the ninth spraying element (V9) through a fire-extinguishing water supply device water conveying pipe (168).

Preferably, a spark detection element (1521) and a temperature monitoring element (1522) are arranged in the first dust separator exhaust duct (30) and the second dust separator exhaust duct (60), two temperature monitoring elements (1522) are arranged in the filter dust hopper (107) of the filter (100), and a degree detection element (1522) is arranged at the joint of the filter (100) and the filter exhaust duct (110).

Preferentially be equipped with operation detecting element (1525) on dust separator lock gas ash discharging device drive element (23) of first dust separator (20) and second dust separator (50) respectively, be equipped with operation detecting element (1525) on calcium carbonate inerting device drive element (82) of calcium carbonate inerting powder supply device (80), be equipped with operation detecting element (1525) on filter lock gas ash discharging device drive element (109) of filter (100), be equipped with operation detecting element (1525) on filter drive element (120), be equipped with operation detecting element (1525) on fire extinguishing water supply device drive element (162) of fire extinguishing water supply device (160) and be equipped with operation detecting element (1525).

Preferably, the filter inlet/outlet air pressure difference monitoring element (1524) is arranged between a filter box body (105) of the filter (100) and the filter air purifying chamber (101), a filter access door (1013) is arranged on one side of the filter (100), and a filter alarm element (1014) is arranged on one side, which is obvious and has no obstruction, of the filter (100).

The invention relates to a shot blasting sand blasting metal dust removal flame detection early warning intelligent emergency control fire extinguishing system, a data acquisition module 152 in the fire extinguishing system can detect whether sparks are generated at a set part in the system at any moment through a spark detection element 1521, a temperature monitoring element 1522, a filter ash removal pressure monitoring element 1523, a filter inlet/outlet air pressure difference monitoring element 1524 and an operation detection element 1525, monitor the temperature, the pressure and the pressure difference of the set part in the system, remotely monitor the system through a remote monitoring control module 154, and display the monitoring results in a fixed terminal 1542 and a mobile terminal 1543; when detecting that sparks and flash fire occur in the fire extinguishing system, the data remote intelligent electric control cabinet 150 controls a class D fire extinguishing agent supply device (90) and a fire extinguishing water supply device (160) through the execution module 151, the class D fire extinguishing agent supply device (90) sprays class D fire extinguishing agents through a class D fire extinguishing agent conveying pipeline (91) by means of a spraying element I (V1), a spraying element II (V2), a spraying element III (V3), a spraying element IV (V4) and a spraying element VI (V6), and the fire extinguishing water supply device (160) sprays fire extinguishing water through a fire extinguishing water supply device conveying water pipe (168) by means of a spraying element IV (V7), a spraying element IV (V8) and a spraying element IX (V9), so that sparks and flames occurring in the system are eliminated. The invention has the intelligent functions of applying flame retardance to dust, detecting and extinguishing sparks igniting the dust, extinguishing flash combustion flame and remotely emergency handling and control aiming at the spark occurrence and flash risk of the dust.

Drawings

FIG. 1 is a schematic view of an intelligent emergency control fire extinguishing system for shot blasting, sand blasting, metal dust removal, flame detection and early warning.

FIG. 2 is a functional schematic diagram of an intelligent emergency control fire extinguishing system for shot blasting, sand blasting, metal dust removal, flame detection and early warning.

In the above drawings, a first dust removal duct 10, a first separator 20, a separator ash hopper 21, a separator air-lock ash discharge device 22, a separator air-lock ash discharge device driving element 23, a separator air-lock ash discharge device driving element electrically insulated grounding element 24, a separator ash falling flexible connection pipe 25, a separator dust collection container 26, a first separator exhaust duct 30, a second dust removal duct 40, a second separator 50, a second separator exhaust duct 60, a third dust removal duct 70, a calcium carbonate inerting powder supply device 80, a calcium carbonate inerting powder supply device powder transport duct 81, a calcium carbonate inerting device driving element 82, a calcium carbonate powder container 83, a calcium carbonate inerting device data display element 84, a class D fire extinguishing agent supply device 90, a class D fire extinguishing agent transport duct 91, a class D fire extinguishing agent supply device data display element 92, an electromagnetic valve 93, a D-type fire extinguishing agent pressure display element 94, a D-type fire extinguishing agent container 95, a D-type fire extinguishing agent container weighing element 96, a filter 100, a filter air purifying chamber 101, a filter pulse ash cleaning device 102, a filter pulse ash cleaning device gas container 103, a filter element 104, a filter box 105, a filter explosion venting element 106, a filter ash hopper 107, a filter air locking ash discharging device 108, a filter air locking ash discharging device driving element 109, a filter air locking ash discharging device driving element electric insulation grounding element 1010, a filter ash falling soft connecting pipe 1011, a filter dust collecting container 1012, a filter exhaust duct 110, a filter exhaust duct soft connecting piece 111, a filter driving element 120, a filter driving element maintenance opening 121, a filter driving element electric insulation grounding element 122, a filter driving element exhaust duct 130, a lightning protection grounding element 131, an equipment control cabinet 140, a data remote intelligent electric control cabinet 150, an execution module 151, a data acquisition module 152, a spark detection element 1521, a temperature monitoring element 1522, a filter ash removal pressure monitoring element 1523, a filter inlet and outlet air pressure difference monitoring element 1524, an operation detection element 1525, a self-calibration module 153, a remote monitoring control module 154, a remote monitoring control system 1541, a fixed terminal 1542, a mobile terminal 1543, an alarm module 155, a jet element 1511, a jet element one V1, a jet element two V2, a jet element three V3, a jet element four V4, a jet element six V6, a jet element seven V7, a jet element eight V8, a jet element eight V9, a fire extinguishing water supply device 160, a water tank 161, a fire extinguishing water supply device driving element 162, a gate valve 163, a check valve 164, a fire extinguishing water supply device driving element bonder 165, a signal butterfly valve element 166, an alarm valve device 167, a pressure data display element 1671, a time delay 1672, a hydraulic alarm element 1673, a pressure switch element 1674, a fire extinguishing water supply device delivery water pipe 168, a high-level water tank 169, a butterfly valve 1610, a water flow indicator 1611 and an end water testing device 1612.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1-2. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 1-2, the intelligent emergency control fire extinguishing system for shot blasting, sand blasting, metal dust removal, flame detection and early warning is characterized by comprising an air pipe network, a dust separator, a calcium carbonate inerting powder supply device (80), a D-type fire extinguishing agent supply device (90), a filter (100), a filter driving element (120), an equipment control cabinet (140), a data remote intelligent electric control cabinet (150) and a fire extinguishing water supply device (160);

the air pipe network comprises a first dust removal pipeline (10), a first dust separator exhaust pipeline (30), a second dust removal pipeline (40), a second dust separator exhaust pipeline (60), a third dust removal pipeline (70), a filter exhaust pipeline (110) and a filter driving element exhaust pipe (130), one end of each of the first dust removal pipeline (10) and the second dust removal pipeline (40) is connected with sand blasting process machining equipment or shot blasting process machining equipment, and the other end of each of the first dust removal pipeline (10) is connected with an air inlet of the first dust separator (20); the other end of the second dust removal pipeline (40) is connected with an air inlet of a second dust separator (50); one end of the first dust separator exhaust duct (30) is connected with an exhaust outlet of the first dust separator (20), one end of the second dust separator exhaust duct (60) is connected with an exhaust outlet of the second dust separator (50), the other ends of the first dust separator exhaust duct (30) and the second dust separator exhaust duct (60) are gathered together and connected to one end of a third dust removal duct (70), and the other end of the third dust removal duct (70) is connected to an air inlet of the filter (100); one end of the filter exhaust pipe (110) is connected with an air outlet of the filter (100), the other end of the filter exhaust pipe (110) is connected to the filter driving element (120), and the connection part of the filter driving element (120) and the filter exhaust pipe (110) is connected with a pipeline by using a filter exhaust pipe flexible connecting piece (111); one end of the filter driving element exhaust pipe (130) is connected with an air outlet of the filter driving element, the other end of the filter driving element exhaust pipe (130) is used for exhausting air, and the filter driving element exhaust pipe (130) is provided with a lightning protection grounding element (131) for grounding;

the dust separator comprises a first dust separator (20) and a second dust separator (50), wherein the first dust separator (20) and the second dust separator (50) respectively comprise a dust separator ash hopper (21), a dust separator air-locking ash-discharging device (22), a dust separator air-locking ash-discharging device driving element (23), a dust separator air-locking ash-discharging device driving element electric insulation grounding element (24), a dust separator ash-falling flexible connecting pipe (25) and a dust separator dust collecting container (26), the dust separator air-locking ash-discharging device (22) is arranged below the dust separator ash hopper (21), the dust separator air-locking ash-discharging device driving element (23) provides power for the dust separator air-locking ash-discharging device (22), and the dust separator air-locking ash-discharging device driving element (23) needs to be provided with the dust separator air-locking ash-discharging device driving element electric insulation grounding element (24) for grounding treatment; one end of the dust separator dust falling flexible connecting pipe fitting (25) is connected with the lower part of the dust separator air locking and dust discharging device (22), and the other end of the dust separator dust falling flexible connecting pipe fitting (25) is connected with the dust separator dust collecting container (26);

the calcium carbonate inerting powder supply device (80) comprises a calcium carbonate inerting powder supply device powder conveying pipeline (81), a calcium carbonate inerting device driving element (82), a calcium carbonate powder container (83) and a calcium carbonate inerting device data display element (84), and the calcium carbonate inerting powder supply device (80) is connected to the third dust removing pipeline (70) through the calcium carbonate inerting powder supply device powder conveying pipeline (81); the calcium carbonate inerting device driving element (82) provides power for the calcium carbonate inerting powder supply device (80); the calcium carbonate powder container (83) is used for storing calcium carbonate inerting powder;

the D-type fire extinguishing agent supply device (90) comprises a D-type fire extinguishing agent conveying pipeline (91), a D-type fire extinguishing agent supply device data display element (92), a control valve (93), a D-type fire extinguishing agent pressure display element (94), a D-type fire extinguishing agent container (95) and a D-type fire extinguishing agent container weighing element (96), one end of the D-type fire extinguishing agent conveying pipeline (91) is connected to the D-type fire extinguishing agent container (95), the control valve (93) and the D-type fire extinguishing agent pressure display element (94) are installed on the D-type fire extinguishing agent conveying pipeline (91), and the other end of the D-type fire extinguishing agent conveying pipeline (91) is connected to each injection element (1511) respectively; a class D fire extinguishing agent container weighing element (96) is arranged below the class D fire extinguishing agent container (95), and the data and the operation condition of the class D fire extinguishing agent container weighing element (96) are displayed in a class D fire extinguishing agent supply device data display element (92);

the filter (100) comprises a filter air purifying chamber (101), a filter pulse ash removing device (102), a filter pulse ash removing device gas container (103), a filter element (104), a filter box body (105), a filter explosion venting element (106), a filter ash hopper (107), a filter air locking ash discharging device (108), a filter air locking ash discharging device driving element (109), a filter air locking ash discharging device driving element electric insulation grounding element (1010), a filter ash falling flexible connecting pipe (1011) and a filter dust collecting container (1012), wherein the filter element (104) is arranged in the filter box body (105), the air outlet end of the filter element (104) is connected with the filter air purifying chamber (101), and the air outlet end of the filter element (104) is provided with the filter pulse ash removing device (102); the gas container (103) of the filter pulse ash removal device provides high-pressure gas for the filter pulse ash removal device (102); a filter air-locking and ash-discharging device (108) is connected below the filter ash hopper (107); the filter air-locking ash discharging device driving element (109) provides power for the filter air-locking ash discharging device (108), and the filter air-locking ash discharging device driving element (109) needs to be provided with a filter air-locking ash discharging device driving element electrical insulation grounding element (1010) for grounding; one end of the filter ash falling flexible connecting pipe fitting (1011) is connected to the lower part of the filter air locking and ash discharging device (108), the other end of the filter ash falling flexible connecting pipe fitting (1011) is connected with the filter dust collecting container (1012), and a plurality of filter explosion venting elements (106) are arranged on the side surface of the filter box body (105) below the filter element (104);

the filter driving element (120) comprises a filter driving element observation port (121) and a filter driving element electric insulation grounding element (122), the fan provides power for the filter driving element (120), the filter driving element (120) is provided with the filter driving element observation port (121), and the filter driving element (120) is grounded through the filter driving element electric insulation grounding element (122);

the fire extinguishing water supply device (160) is controlled by a data remote intelligent electric control cabinet (150), the fire extinguishing water supply device (160) comprises a water pool (161), a fire extinguishing water supply device driving element (162), a gate valve (163), a check valve (164), a fire extinguishing water supply device driving element combiner (165), a signal butterfly valve element (166), an alarm valve device (167), a fire extinguishing water supply device conveying water pipe (168), a high-level water tank (169), a butterfly valve (1610), a water flow indicator (1611) and a terminal water testing device (1612), one end of the fire extinguishing water supply device driving element (162) is connected with the water pool (161) through the fire extinguishing water supply device conveying water pipe, the other end of the fire extinguishing water supply device driving element (162) is connected with the signal butterfly valve element (166) through the fire extinguishing water supply device conveying water pipe, and the fire extinguishing water supply device conveying water pipe (168) between the fire extinguishing water supply device driving element (162) and the signal butterfly valve element (166) is provided with the gate valve (163), A check valve (164), a fire suppression water supply drive element coupler (165), and a high level tank (169); one end of the alarm valve device (167) is connected with a signal butterfly valve element (166), the other end of the alarm valve device (167) is connected with a water flow indicator (1611), a butterfly valve (1610) is arranged on a fire extinguishing water supply device delivery water pipe (168) between the alarm valve device (167) and the water flow indicator (1611), and the alarm valve device (167) comprises a pressure data display element (1671), a time delay device (1672), a hydraulic alarm element (1673) and a pressure switch element (1674); one end of the water flow indicator (1611) with water is respectively connected to the spraying elements (1511) through a fire extinguishing water supply device delivery water pipe (168); the tail end of the fire extinguishing water supply device conveying water pipe (168) is provided with a tail end water testing device (1612);

the control system comprises an equipment control cabinet (140) and a data remote intelligent electric control cabinet (150), wherein the equipment control cabinet (140) comprises electrical control over sand blasting processing equipment and shot blasting processing equipment; the remote intelligent data electric control cabinet (150) comprises a data acquisition module (152), an execution module (151), a self-calibration module (153), an alarm module (155) and a remote monitoring control module (154), wherein detection elements connected with the data acquisition module (152) comprise a spark detection element (1521), a temperature monitoring element (1522), a filter ash removal pressure monitoring element (1523), a filter inlet and outlet air pressure difference monitoring element (1524) and an operation detection element (1525); the data acquisition module (152) is used for acquiring and receiving system operation parameters, and the system operation parameters comprise equipment operation information of a spark detection element (1521), a temperature monitoring element (1522), a filter ash removal pressure monitoring element (1523), a filter inlet and outlet air pressure difference monitoring element (1524) and an operation detection element (1525).

The number of the sand blasting process processing equipment or the shot blasting process processing equipment is more than or equal to 1.

The implementation module (151) comprises control over a jet element (1511), interlocking control over equipment and control over a fire extinguishing water supply device (160), the implementation module (151) calculates and analyzes operating parameters of the fire extinguishing system, and if the operating parameters of the system reach preset conditions, the implementation module (151) can control the corresponding jet element to jet a D-type fire extinguishing agent or water to eliminate sparks or extinguish flames and block flame propagation.

The self-checking module (153) is used for carrying out self-checking on the system.

The alarm module (155) is used for sending an alarm signal when the system operation parameter reaches a preset condition.

The remote monitoring control module (154) is used for remotely connecting a remote monitoring control system (1541) for data sharing, and the remote monitoring control system (1541) is connected with the fixed terminal (1542) and the mobile terminal (1543) and shares data with the fixed terminal (1542) and the mobile terminal (1543); the fixed terminal (1542) and the mobile terminal (1543) monitor and control the data remote control cabinet through the remote monitoring control system (1541).

Nine spraying elements (1511) are arranged in total, a first spraying element (V1) is arranged at the top of a dust separator ash bucket (21) of the first dust separator (20), a second spraying element (V2) is arranged at the top of a dust separator ash bucket (21) of the second dust separator (50), a third spraying element (V3) is arranged at the joint of the third dust removal pipeline (70) and the filter (100), a fourth spraying element (V4) is arranged in a filter ash bucket (107) of the filter (100), a sixth spraying element (V6) and a seventh spraying element (V7) are arranged at the top of a filter air purifying chamber (101) of the filter (100), an eighth spraying element (V8) is arranged in the first dust removal pipeline (10), an eighth spraying element (V9) is arranged in the second dust removal pipeline (40), and the D-type fire extinguishing agent supply device (90) is connected with the first spraying element (V1) through a D-type fire extinguishing agent conveying pipeline (91), And the second spraying element (V2), the third spraying element (V3), the fourth spraying element (V4) and the sixth spraying element (V6) are communicated, and the fire-extinguishing water supply device (160) is communicated with the seventh spraying element (V7), the eighth spraying element (V8) and the ninth spraying element (V9) through a fire-extinguishing water supply device water conveying pipe (168).

Be equipped with a spark detection component (1521) and a temperature monitoring component (1522) in first dust separator exhaust pipe (30) and second dust separator exhaust pipe (60) respectively, be equipped with two temperature monitoring components (1522) in filter ash bucket (107) of filter (100), filter (100) are equipped with one degree detection element (1522) with the junction of filter exhaust pipe (110).

Be equipped with operation detecting element (1525) on dust separator lock gas ash discharging device drive element (23) of first dust separator (20) and second dust separator (50) respectively, be equipped with operation detecting element (1525) on calcium carbonate inerting device drive element (82) of calcium carbonate inerting powder supply device (80), be equipped with operation detecting element (1525) on filter lock gas ash discharging device drive element (109) of filter (100), be equipped with operation detecting element (1525) on filter drive element (120), be equipped with operation detecting element (1525) on fire extinguishing water supply device drive element (162) of fire extinguishing water supply device (160) and be equipped with operation detecting element (1525).

The filter inlet and outlet air pressure difference monitoring element (1524) is arranged between a filter box body (105) of the filter (100) and a filter air purifying chamber (101), a filter access door (1013) is arranged on one side of the filter (100), and a filter alarm element (1014) is arranged on one side, which is obvious and free of a blocking object, of the filter (100).

The invention relates to a shot blasting sand blasting metal dust removal flame detection early warning intelligent emergency control fire extinguishing system, a data acquisition module 152 in the fire extinguishing system can detect whether sparks are generated at a set part in the system at any moment through a spark detection element 1521, a temperature monitoring element 1522, a filter ash removal pressure monitoring element 1523, a filter inlet/outlet air pressure difference monitoring element 1524 and an operation detection element 1525, monitor the temperature, the pressure and the pressure difference of the set part in the system, remotely monitor the system through a remote monitoring control module 154, and display the monitoring results in a fixed terminal 1542 and a mobile terminal 1543; when detecting that sparks and flash fire occur in the fire extinguishing system, the data remote intelligent electric control cabinet 150 controls a class D fire extinguishing agent supply device (90) and a fire extinguishing water supply device (160) through the execution module 151, the class D fire extinguishing agent supply device (90) sprays class D fire extinguishing agents through a class D fire extinguishing agent conveying pipeline (91) by means of a spraying element I (V1), a spraying element II (V2), a spraying element III (V3), a spraying element IV (V4) and a spraying element VI (V6), and the fire extinguishing water supply device (160) sprays fire extinguishing water through a fire extinguishing water supply device conveying water pipe (168) by means of a spraying element IV (V7), a spraying element IV (V8) and a spraying element IX (V9), so that sparks and flames occurring in the system are eliminated. The invention has the intelligent functions of applying flame retardance to dust, detecting and extinguishing sparks igniting the dust, extinguishing flash combustion flame and remotely emergency handling and control aiming at the spark occurrence and flash risk of the dust.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.