阅读说明：本技术 一种助吹技术在除尘系统中的应用方法 (Application method of blowing-assisting technology in dust removal system ) 是由 马远辉 贾明贻 徐志勇 汪峰 蒋毅 苏庆林 施建强 于 2021-09-06 设计创作，主要内容包括：本发明提供一种助吹技术在除尘系统中的应用方法,涉及冶金除尘装置领域。该除尘系统的助吹装置,包括灰斗,所述灰斗的一侧固定连接有助吹管组件,所述助吹管组件的一端设置有空气压缩机,所述灰斗的底端固定连接有放灰管,所述放灰管的底端设置有放灰阀,所述放灰管的底端相邻放灰阀固定连接有橡胶软管。通过在除尘系统的灰斗底部增加利用压缩空气的助吹管道组件后,避免了灰尘悬空问题,解决了灰尘无法使用负压吸排车运输问题,消除了敞口式翻斗车放灰时二次污染现象,降低了操作人员放灰过程靠不断敲击灰斗才能达到顺利放灰的现状,提高了放灰效率,减轻劳动强度。(The invention provides an application method of a blowing-assisting technology in a dust removal system, and relates to the field of metallurgical dust removal devices. This dust pelletizing system's blowing-assistant device, including the ash bucket, one side fixedly connected with of ash bucket helps the blowing pipe subassembly, the one end that helps the blowing pipe subassembly is provided with air compressor, the bottom fixedly connected with of ash bucket puts the ash pipe, the bottom of putting the ash pipe is provided with the ash valve, the adjacent ash valve fixedly connected with rubber hose of the bottom of putting the ash pipe. After the dust hopper bottom of the dust removal system is additionally provided with the blowing-assisting pipeline assembly utilizing compressed air, the problem of dust suspension is avoided, the problem that dust cannot be transported by using a negative pressure suction and discharge vehicle is solved, the phenomenon of secondary pollution when the open type dump truck discharges dust is eliminated, the current situation that the dust can be smoothly discharged only by continuously knocking the dust hopper in the dust discharging process of an operator is reduced, the dust discharging efficiency is improved, and the labor intensity is reduced.)

1. The utility model provides a dust pelletizing system's blowing-assisted device, includes ash bucket (3), its characterized in that: one side fixedly connected with of ash bucket (3) helps the blowing pipe subassembly, the one end that helps the blowing pipe subassembly is provided with air compressor (7), the bottom fixedly connected with of ash bucket (3) puts ash pipe (13), the bottom of putting ash pipe (13) is provided with ash valve (12), the adjacent ash valve (12) fixedly connected with rubber hose (14) of the bottom of putting ash pipe (13).

2. The blow-assist apparatus for a dedusting system as set forth in claim 1, wherein: the blow-assisting pipe assembly comprises a screw head (11), the top end fixed connection of the screw head (11) is in one side of an ash bucket (3), the axial lead of the screw head (11) is 45 included angles with the gravity lead of the ash bucket (3), the bottom end fixed connection of the screw head (11) assists the blow valve (10), the one end fixed connection connecting piece (9) of the blow valve (10) is assisted, the one end fixed connection pressure reducer (15) of the connecting piece (9), the one end fixed connection PU pipe (8) of the pressure reducer (15), the one end of the PU pipe (8) is connected at the output end of the air compressor (7) through a compressed air pipe (17).

3. The blow-assist apparatus for a dedusting system as set forth in claim 1, wherein: the blowing-assisting pipe assembly is positioned on the central line of a side plate 50mm away from the bottom of the ash hopper (3).

4. The blow-assist apparatus for a dedusting system as set forth in claim 1, wherein: one end of the rubber hose (14) is provided with a negative pressure suction and exhaust vehicle (16).

5. The blow-assist apparatus for a dedusting system as set forth in claim 1, wherein: the top fixedly connected with chain scraper conveyor (1) of ash bucket (3), the inside of chain scraper conveyor (1) is provided with hangs grey chain (2), the one end bottom fixedly connected with pipeline (5) of chain scraper conveyor (1), the middle part of pipeline (5) is provided with into grey valve (4), the bottom of pipeline (5) is provided with humidification machine (6).

6. The method of using a blow-assist apparatus for a dusting system of claims 1-5, wherein: the method comprises the following steps:

s1, cutting a hole on the center line of a side plate 50mm away from the bottom of the ash bucket (3), welding a screw head (11) at the hole, wherein the axis of the screw head (11) forms an included angle of 45 degrees with the gravity center line of the ash bucket, one end of the screw head (11) is connected with an auxiliary blowing valve (10), and one end of the auxiliary blowing valve (10) is connected with a connecting piece (9);

s2, connecting one end of the connecting piece (9) with a pressure reducer (15), connecting one end of the pressure reducer (15) with a compressed air pipe (17) at the output end of the air compressor (7) through a PU pipe (8), and controlling the output pressure of the pressure reducer (15) to be 0.25-0.3 MPa.

7. The method of claim 6, wherein the method further comprises: the angle error of the screw head (11) is +/-1 degree.

Technical Field

The invention relates to the field of metallurgical dust removal devices, in particular to an application method of a blowing assisting technology in a dust removal system.

Background

At present, aiming at dust of a bag-type dust collector in the metallurgical industry, an ash discharge transport vehicle is gradually transferred to a closed negative pressure suction and discharge vehicle for transportation from an open type dump truck, so that the secondary pollution and the unorganized discharge phenomenon in the ash conveying and discharging and transportation processes can be reduced; in addition, due to different production environments, humid seasons and dust properties of part of dust remover user points, humid air is easy to be sucked into the dust remover along with dust, so that dust is loose or humid and has poor self-flow performance, when the dust remover is transported by using a negative pressure vehicle, an operator needs to continuously vibrate the side wall of the dust hopper by using a hand hammer to discharge dust reluctantly, the dust discharging efficiency is low, and the labor intensity is high; if the dump truck is used for discharging ash, the dust can be discharged through the humidifier, secondary environmental pollution is easily caused in the ash discharging and transporting processes, the phenomenon of unorganized discharging is avoided, and the regulations of 'opinion comprehensive emission standard of atmospheric pollutants about ultra-low emission in the steel industry in promotion and implementation' issued by the national ecological environment ministry and the regulation of the management requirements of local ecological environment halls on strict execution of local atmospheric pollutants emission standard are not met.

Patent document CN112691451A discloses an ash conveying device, a dust removing and ash conveying system and a method, wherein the ash conveying device comprises a first ash conveying device and a second ash conveying device, and solves the technical problems of high failure rate of a bucket elevator and high equipment cost in the process of discharging dust generated by a blast furnace; patent document CN107513592A discloses a mechanical pressurized fully-closed ash discharge process and device, wherein an opening is formed in an end socket of a centralized ash bin, an ash discharge conduit extends into the opening, and ash conveying gas in the ash discharge process is conveyed to the centralized ash bin through a pipeline, so that the ash conveying gas is communicated with a pressure relief pipeline. However, the prior art has the problems that the labor capacity of operators is large and the working efficiency is low due to poor self-flowability of dust in the dust discharging process caused by the humidity of dust generated under different production environment conditions.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an application method of a blowing-assisting technology in a dust removal system, and solves the problems of large labor capacity of operators and low working efficiency caused by poor self-flowability of dust in an ash discharge process due to the fact that dust generated under different production environment conditions is wet.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a dust pelletizing system's blowing-assistant device, includes the ash bucket, one side fixedly connected with blowing-assistant pipe subassembly of ash bucket, the one end of blowing-assistant pipe subassembly is provided with air compressor, the bottom fixedly connected with of ash bucket puts the ash pipe, the bottom of putting the ash pipe is provided with the ash valve, the adjacent ash valve fixedly connected with rubber hose of bottom of putting the ash pipe.

Preferably, help and blow the pipe subassembly and include the silk head, the top fixed connection of silk head is in one side of ash bucket, the axial lead of silk head is 45 contained angles with the gravity lead of ash bucket, the bottom fixedly connected with of silk head helps blows the valve, help the one end fixedly connected with connecting piece that blows the valve, the one end fixedly connected with pressure reducer of connecting piece, the one end fixedly connected with PU pipe of pressure reducer, the one end of PU pipe is passed through compressed air pipe and is connected at the air compressor output.

Preferably, the blowing aid pipe assembly is positioned on the central line of a side plate 50mm away from the bottom of the ash hopper.

Preferably, one end of the rubber hose is provided with a negative pressure suction and exhaust vehicle.

Preferably, the top fixedly connected with chain scraper conveyor of ash bucket, the inside of chain scraper conveyor is provided with hangs grey chain, the one end bottom fixedly connected with pipeline of chain scraper conveyor, the middle part of pipeline is provided with into grey valve, the bottom of pipeline is provided with humidification machine.

Preferably, the application method of the blowing-assisting device of the dust removing system comprises the following steps:

s1, cutting a hole on the center line of a side plate 50mm away from the bottom of the ash bucket, and welding a screw head at the hole, wherein the axis of the screw head forms an included angle of 45 degrees with the gravity line of the ash bucket, one end of the screw head is connected with a blowing-assisted valve, and one end of the blowing-assisted valve is connected with a connecting piece;

and S2, connecting one end of the connecting piece with a pressure reducer, wherein one end of the pressure reducer is connected with a compressed air pipe at the output end of the air compressor through a PU pipe, and the output pressure of the pressure reducer is controlled to be 0.25-0.3 MPa.

Preferably, the angle error of the thread head is +/-1 degree.

The whole structure is simple, the processing, the installation and the maintenance are easy, and the failure rate is low; the pressure adjustment and the switch operation are simple and convenient, and the working pressure can be flexibly adjusted according to the requirement; the installation and construction are convenient, and common personnel can process and manufacture the product; the types and specifications of all materials and parts are in accordance with the national standard, and the interchangeability is strong; the PU pipe is light in weight, large in ventilation capacity, high in bearing pressure up to 0.7MPa and capable of realizing long-distance conveying; the dust removal device has the advantages that the dust removal ash can be fully stirred, the problem of ash deposition in an ash hopper is solved, the fluidity of the dust removal ash is increased, the dust removal ash is continuously and stably sucked into the negative pressure suction and discharge vehicle, the whole closed transportation of ash discharge and conveying is realized, and the secondary pollution to the environment is eliminated; the labor intensity of operators is reduced, and the ash discharge efficiency is improved.

(III) advantageous effects

The invention provides an application method of a blowing-assisting technology in a dust removal system. The method has the following beneficial effects:

according to the invention, after the blowing-assisting pipeline component utilizing compressed air is additionally arranged at the bottom of the ash hopper of the dust removal system, wet ash of the dust remover can be fully stirred, the problem of dust suspension is avoided, the flowability of the dust removal ash is increased, the problem that the dust cannot be transported by using a negative pressure suction and exhaust vehicle is solved, the secondary pollution phenomenon of the open type dump truck during ash discharge is eliminated, the current situation that the operator can smoothly discharge the ash by continuously knocking the ash hopper in the ash discharge process is changed, the problems of large labor capacity and low working efficiency of the operator caused by poor gravity flow of the dust removal ash in the ash discharge process due to the humidity of the dust generated under different production environmental conditions are solved, the ash discharge efficiency is improved, and the labor intensity is reduced.

Drawings

FIG. 1 is a schematic structural view of a blow-assist tube assembly of the present invention;

fig. 2 is a schematic view of a chain flight conveyor of the present invention.

Wherein, 1, a chain scraper conveyer; 2. hanging a gray chain; 3. an ash hopper; 4. an ash inlet valve; 5. a pipeline; 6. a humidifier; 7. an air compressor; 8. a PU pipe; 9. a connecting member; 10. a blow-assist valve; 11. spinning heads; 12. an ash valve; 13. ash discharging pipes; 14. a rubber hose; 15. a pressure reducer; 16. a negative pressure suction and discharge vehicle; 17. and a compressed air pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-2, an auxiliary blowing device of a dust removing system according to an embodiment of the present invention includes an ash bucket 3, an auxiliary blowing pipe assembly is fixedly connected to one side of the ash bucket 3, an air compressor 7 is disposed at one end of the auxiliary blowing pipe assembly, an ash discharging pipe 13 is fixedly connected to a bottom end of the ash bucket 3, an ash discharging valve 12 is disposed at a bottom end of the ash discharging pipe 13, and a rubber hose 14 is fixedly connected to the bottom end of the ash discharging pipe 13 adjacent to the ash discharging valve 12.

After a blowing assisting device utilizing compressed air is additionally arranged at the bottom of an ash hopper 3 of the dust removal system, the influence factors in an ash discharge process can be solved: a. the problem of suspension of deposited ash is solved, the flowability of the removed ash is increased, the blow-assisting valve 10 is opened in advance before ash discharge, compressed air is continuously fed into the ash bucket 3, the deposited ash falling into the ash bucket 3 is continuously stirred, the problem of suspension of the deposited ash in the ash bucket 3 is solved, wet ash of a dust remover is fully stirred, and the flowability of the removed ash is increased;

b. the dust is continuously and stably sucked into the negative pressure suction and discharge vehicle 16, the problem that the dust cannot be transported by using the negative pressure suction and discharge vehicle 16 is solved, and the secondary pollution phenomenon when the open type dump truck discharges the dust is eliminated;

c. the current situation that the operator can smoothly discharge the ash by continuously knocking the ash bucket 3 in the ash discharge process is reduced, the ash discharge efficiency is improved, and the labor intensity is reduced.

The blowing-assisting pipe assembly comprises a screw head 11, the top end of the screw head 11 is fixedly connected to one side of an ash bucket 3, the axial lead of the screw head 11 forms an included angle of 45 degrees with the gravity lead of the ash bucket 3, the bottom end of the screw head 11 is fixedly connected with a blowing-assisting valve 10, one end of the blowing-assisting valve 10 is fixedly connected with a connecting piece 9, one end of the connecting piece 9 is fixedly connected with a pressure reducer 15, one end of the pressure reducer 15 is fixedly connected with a PU pipe 8, one end of the PU pipe 8 is connected to the output end of an air compressor 7 through a compressed air pipe 17, the screw head 11 adopts a G1/2 'screw head, the axial lead of the screw head 11 forms an included angle of 45 degrees with the gravity lead of the ash bucket 3, the blowing-assisting valve 10 can adopt a ball valve connected with Q11F-10P-DN 1/2', and the output pressure of the pressure reducer 15 is controlled to be 0.25-0.3 MPa.

On helping being located the central line apart from the bottom 50 mm's of ash bucket 3 curb plate of blowing pipe subassembly, can cause the box seam crossing of chain scraper conveyor 1 to emit the ash when the position is too high, pollute all ring edge borders, when the position was crossed lowly, the dust removal ash was disturbed by compressed air, the unable ash that normally falls.

One end of the rubber hose 14 is provided with a negative pressure suction and discharge vehicle 16, so that dust can be continuously and stably sucked into the negative pressure suction and discharge vehicle 16, and the secondary pollution phenomenon when the open type dump truck discharges the dust is eliminated.

The top fixedly connected with chain scraper conveyor 1 of ash bucket 3, the inside of chain scraper conveyor 1 is provided with hangs grey chain 2, and the one end bottom fixedly connected with pipeline 5 of chain scraper conveyor 1, the middle part of pipeline 5 are provided with into grey valve 4, and the bottom of pipeline 5 is provided with humidification machine 6.

Example two:

the embodiment of the invention provides an application method of a blowing assisting device of a dust removal system, which comprises the following steps:

s1, cutting a hole on the center line of a side plate 50mm away from the bottom of the ash bucket 3, welding a screw head 11 at the hole, wherein the axis of the screw head 11 forms an included angle of 45 degrees with the gravity center line of the ash bucket, one end of the screw head 11 is connected with a blow-assisted valve 10, and one end of the blow-assisted valve 10 is connected with a connecting piece 9;

s2, connecting one end of the connecting piece 9 with a pressure reducer 15, connecting one end of the pressure reducer 15 with a compressed air pipe 17 at the output end of the air compressor 7 through a PU pipe 8, and controlling the output pressure of the pressure reducer 15 to be 0.25-0.3 MPa;

the angle error of the thread end 11 is ± 1 °.

The operation sequence of the chain type scraper conveyer 1 and the blowing-assisting valve 10 cannot be reversed, when the negative pressure suction and discharge vehicle 16 is used for conveying and discharging ash, the blowing-assisting valve 10 is firstly opened, then the chain type scraper conveyer 1 is opened, when the ash discharging operation is stopped, the chain type scraper conveyer 1 is firstly stopped, and after the dust and ash in the ash bucket 3 are completely sucked, the blowing-assisting valve 10 is closed.

The dust removal device can fully stir the dust removal ash, eliminate the problem of ash deposition in the ash hopper 3 in a suspension manner, increase the fluidity of the dust removal ash, ensure that the dust removal ash is continuously and stably sucked into the negative pressure suction and discharge vehicle 16, realize the whole closed transportation of dust discharge and conveying, and eliminate the secondary environmental pollution; the labor intensity of operators is reduced, and the ash discharge efficiency is improved.

When the position of the blowing-assisting pipe assembly is over high, ash is blown out from the joint of the box body of the chain type scraper conveyor 1 to pollute the surrounding environment, wherein the position of the blowing-assisting pipe assembly is 50mm away from the bottom of the ash hopper 3 on the central line of the side plate; when the position is too low, the dust removal ash is disturbed by the compressed air, and the ash can not be normally dropped; the error of the installation angle of the blowing-assisting pipe assembly is controlled to be within the range of +/-1 degrees; after the pressure reducer 15 is installed, the output pressure of the pressure reducer 15 is adjusted to be 0.25-0.3MPa before use, on the basis that the box body of the chain scraper conveyor 1 does not spray ash outwards and can stir the dust, otherwise, the gas supply pressure of the pressure reducer 15 is properly adjusted; each pneumatic connecting piece is tightly sealed, and the phenomenon of air leakage cannot occur; the welding and connecting parts of each component meet the requirements of general welding technology and installation technical specification, the inspection confirms that no obvious sand hole can appear at each welding part, and each connecting part is tightly sealed.

Example three:

the embodiment of the invention provides an application method of a blowing assisting device of a dust removal system, which comprises the following steps:

A. a hole with the diameter of 25mm is cut on the central line of the side plate 50mm away from the bottom of the ash hopper 3;

B. welding a G1/2' screw head 11, wherein the axis of the screw head 11 forms an included angle of 45 degrees with the gravity center line of the ash bucket 3, and the end part of the screw head 11 is flush with the side wall of the ash bucket 3;

C. the thread head 11 is wound with the thread tape and then connected with a Q11F-10P-DN 1/2' ball valve as the blowing-assistant valve 10, the ball valve is sealed and fastened, and air leakage in the using process is avoided;

D. installing G1/2' paired wires behind the ball valve;

E. installing a Y42X-15 decompressor after G1/2' wire pairing;

F. an EPC G1/2' -16PU pipe pneumatic terminal joint is arranged behind the pressure reducer 15;

G. connecting the PU pipe 8: the PU pipe with the diameter phi of 16 is firmly clamped between two terminal joints.

The whole structure is simple, the processing, the installation and the maintenance are easy, and the failure rate is low; the pressure adjustment and the switch operation are simple and convenient, and the working pressure can be flexibly adjusted according to the requirement; the installation and construction are convenient, and common personnel can process and manufacture the product; the types and specifications of all materials and parts are in accordance with the national standard, and the interchangeability is strong; the PU pipe is light in weight, large in ventilation capacity, high in bearing pressure up to 0.7MPa and capable of realizing long-distance conveying; the connecting piece between PU pipe and the instrument is pneumatic terminal quick-operation joint, can realize quick connection and separation, need not with the help of any instrument.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.