阅读说明：本技术 一种新型油船烟气惰性系统检测装置及方法 (Novel device and method for detecting inert gas system of oil tanker ) 是由 王帅军 高雅婷 林嘉斌 朱姗姗 干鑫华 夏孟胜 林祥伟 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种新型油船烟气惰性系统检测装置及方法,属于油船防爆技术领域,本装置包括：输气管体,烟气净化器,输气管体与烟气净化器连通且将烟气送入至烟气净化器内底部,第一烟气排管,第一烟气排管一端部与烟气净化器上部连通,另一端连接三通管,其中一管口连接第二烟气排管,第二烟气排管与船舶储油仓连通,其中另一管口连接第三烟气排管,第三烟气排管与船舶储油仓连通,第三烟气排管管体经过内置水体的水箱。本装置能够实时监控输入烟气参数,对管道内输送烟气进行整流处理以解决紊流等因素导致的数据监测不精准问题,同时能够对输送的烟气进行合理处理,保证输送烟气在船舶储油仓内的正常使用。(The invention discloses a novel device and a method for detecting a flue gas inertia system of a tanker, belonging to the technical field of tanker explosion prevention, wherein the device comprises: the gas transmission pipe body and the smoke purifier are communicated and send smoke into the inner bottom of the smoke purifier, the first smoke exhaust pipe is communicated with the upper part of the smoke purifier, the other end of the first smoke exhaust pipe is connected with the three-way pipe, one pipe orifice of the first smoke exhaust pipe is connected with the second smoke exhaust pipe, the second smoke exhaust pipe is communicated with the ship oil storage bin, the other pipe orifice of the second smoke exhaust pipe is connected with the third smoke exhaust pipe, the third smoke exhaust pipe is communicated with the ship oil storage bin, and the third smoke exhaust pipe body passes through the water tank with the built-in water body. This device can real time monitoring input flue gas parameter, carries out the rectification to carrying the flue gas in the pipeline and handles the not accurate problem of data monitoring that leads to in order to solve factors such as turbulent flow, can carry out rational processing to the flue gas of carrying simultaneously, guarantees to carry the normal use of flue gas in boats and ships oil storage storehouse.)

1. The utility model provides a novel oilship flue gas inertia system detects device, includes:

a gas transmission pipe body (20) used for transmitting the flue gas,

the flue gas purifier (30), a spray pipe (42) is arranged in the flue gas purifier (30), the spray pipe (42) is connected with a water pump (40) arranged outside the flue gas purifier (30) through a first water pipe (41), the gas pipe body (20) is communicated with the flue gas purifier (30) and sends flue gas into the inner bottom of the flue gas purifier (30),

first flue gas calandria (21), first flue gas calandria (21) tip and flue gas purifier (30) upper portion intercommunication, the three-way pipe is connected to the other end, and second flue gas calandria (23) is connected to one of them mouth of pipe, second flue gas calandria (23) and boats and ships oil storage bin (100) intercommunication, and third flue gas calandria (24) is connected to another mouth of pipe wherein, third flue gas calandria (24) and boats and ships oil storage bin (100) intercommunication, third flue gas calandria (24) body is through water tank (25) of built-in water.

Wherein, be equipped with first detector (11) that are arranged in detecting the oxygen content in the flue gas on gas transmission body (20) of flue gas purifier (30) entrance point and first flue gas calandria (21) of flue gas purifier (30) exit end respectively, first detector (11) are connected with control unit (10) respectively.

2. The novel detection device for the oil tanker flue gas inertia system as recited in claim 1, wherein: the bottom of the flue gas purifier (30) is communicated with the water tank (25) through a sewage discharge pipe body (51), and a first control valve (12) is arranged on the sewage discharge pipe body (51).

3. The novel detection device for the oil tanker flue gas inertia system as recited in claim 2, wherein: and the second flue gas exhaust pipe (23) and the second flue gas exhaust pipe (25) are respectively provided with a first control valve (12) and a flowmeter (13).

4. The novel detection device for the oil tanker flue gas inertia system as recited in claim 3, wherein: be equipped with first otter board (31) that the slope set up in flue gas purifier (30), chamber one side wall rigid coupling in first otter board (31) one end and flue gas purifier (30), the other end sets up and forms clearance opening (43) with the relative wall interval of chamber, first otter board (31) tip level position of clearance open end is less than the other end, first otter board (31) bottom surface all is equipped with net fill (32) of taper.

5. The novel detection device for the oil tanker flue gas inertia system as recited in claim 4, wherein: the bottom surface is equipped with air outlet assembly (50) in smoke purifier (30) of first otter board (31) bottom, air outlet assembly (50) are including cylindric staving, staving upper portion opening sets up, gas transmission pipe body (20) pass smoke purifier (30) and stretch into in the staving, the inner wall of staving encircles reposition of redundant personnel extension groove (52) that are equipped with the evagination, staving center department is equipped with rather than coaxial and can rotatory rotation axis (54), rotation axis (54) lateral wall encircles and lays rotating vane (53).

6. The novel detection device for the oil tanker flue gas inertia system as recited in claim 5, wherein: the gas transmission pipe is characterized in that a rectification sleeve body (70) is arranged in the gas transmission pipe body (20), the diameter of the rectification sleeve body (70) is gradually reduced along the gas transmission direction, the outer wall of the rectification sleeve body (70) is connected with the inner wall of the gas transmission pipe body (20) through flow equalizing connecting rods (71) arranged at intervals, and guide vanes (72) are arranged on the outer wall of the rectification sleeve body (70) in a surrounding mode.

7. The novel detection device for the oil tanker flue gas inertia system as recited in claim 6, wherein: a first control valve (12) and a flowmeter (13) are arranged on the first flue gas exhaust pipe (21);

preferably, the gas transmission pipe body (20) at the inlet end of the flue gas purifier (30) and the first flue gas exhaust pipe (21) at the outlet end of the flue gas purifier (30) are respectively provided with a second detector for detecting the temperature of flue gas.

8. The method for detecting the novel oil tanker flue gas inerting system detection device according to any one of claims 1 to 7, wherein the method comprises the following steps:

-obtaining smoke detection data inside the gas duct body (20) at the inlet end of the smoke purifier (30) and feeding back the data to the control unit (10),

-after the flue gas is treated by the flue gas purifier (30), flue gas detection data in the first flue gas duct bank (21) at the outlet end of the flue gas purifier (30) are obtained, and the control unit (10) is fed back to regulate and control the flow of the flue gas entering the second flue gas duct bank (23) and the third flue gas duct bank (24).

Technical Field

The invention belongs to the technical field of oil tanker explosion prevention, and particularly relates to a novel oil tanker flue gas inertia system detection device and method.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

In recent years, with the rapid development of economy, the demand for energy resources in countries around the world has been increased, the trade between oil import countries and oil export countries has been gradually expanded, the transport capacity and volume of oil tankers has been rapidly increased, and the problems of oil tanker transport safety and prevention of marine pollution have become complicated. It is known that fire source, combustible gas and oxygen are three major factors for initiating explosion, and if any one of them can be excluded, the explosion will not occur, so to prevent oil gas explosion, it can be controlled from three aspects: 1. controlling the generation of the ignition source; 2. controlling the concentration of combustible petroleum gas in the oil cabin; 3. controlling the oxygen content in the cargo tank. In actual operation, residual inert gas is filled into the oil tank for protection, and the oil tank is filled with inert gas during unloading, so that the oxygen content of gas in the oil tank is reduced to a safe range, and the purposes of fire prevention and explosion prevention are achieved. Therefore, the protection of the oil tank by using inert gas is an effective method widely used in recent years, but the specific oxygen content of the input inert gas, the input amount of the inert gas and the like need to be accurately monitored in real time to avoid safety accidents.

It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions of the present application and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present application.

Disclosure of Invention

The invention aims to provide a novel device and a method for detecting a flue gas inertia system of an oil tanker, which are used for monitoring input flue gas parameters in real time, rectifying the flue gas conveyed in a pipeline to solve the problem of inaccurate data monitoring caused by factors such as turbulence and the like, and simultaneously can reasonably process the conveyed flue gas to ensure the normal use of the conveyed flue gas in a ship oil storage bin.

The technical scheme adopted by the invention for realizing the purpose is as follows: a novel detection device and method for a fume inert system of an oil tanker comprise:

a gas transmission pipe body used for transmitting the flue gas,

a flue gas purifier, a spray pipe is arranged in the flue gas purifier, the spray pipe is connected with a water pump arranged outside the flue gas purifier through a first water delivery pipe, a gas delivery pipe body is communicated with the flue gas purifier and sends flue gas to the bottom in the flue gas purifier,

one end of the first flue gas exhaust pipe is communicated with the upper part of the flue gas purifier, the other end of the first flue gas exhaust pipe is connected with the three-way pipe, one pipe orifice of the first flue gas exhaust pipe is connected with a second flue gas exhaust pipe, the second flue gas exhaust pipe is communicated with the ship oil storage bin, the other pipe orifice of the first flue gas exhaust pipe is connected with a third flue gas exhaust pipe, the third flue gas exhaust pipe is communicated with the ship oil storage bin, and a third flue gas exhaust pipe body passes through a water tank.

Wherein, be equipped with the first detector that is used for detecting oxygen content in the flue gas respectively on the gas transmission body of flue gas purifier entrance end and the first flue gas calandria of flue gas purifier exit end, first detector is connected with the control unit respectively.

The invention adopts the gas transmission pipe body to transmit the flue gas, the used gas transmission pipe body is preferably made of anticorrosive materials, the flue gas transmitted into the ship oil storage bin is processed, particularly, the flue gas purifier is adopted to intercept particulate matters and regulate the temperature of the flue gas, after the flue gas enters the inner bottom of the flue gas purifier along the gas transmission pipe body, most of the particulate matters in the flue gas can be intercepted under the action of water sprayed from the upper part of the flue gas purifier and formed water mist, thus reducing the particulate matters in the flue gas entering the ship oil storage bin, avoiding the particulate matters from falling into the petroleum to reduce the quality of the petroleum, reducing or avoiding the friction collision between the particulate matters and the inner wall of the ship oil storage bin, preventing the generation of fire sources and the abrasion of the inner wall of the oil storage bin, realizing reasonable processing of the transmitted flue gas, and ensuring the normal use of the transmitted flue gas in the ship oil storage bin, the input flue gas temperature can be controlled by controlling the conveying paths of the first flue gas calandria and the third flue gas calandria, the safety inside the oil storage bin is also ensured, and for the problem of the oxygen content in the vital flue gas, the invention ensures that the oxygen content concentration in the flue gas on each conveying path is detected by arranging a plurality of groups of first detectors, monitors the input flue gas parameters in real time, and rectifies the conveyed flue gas in the pipeline to solve the problem of inaccurate data monitoring caused by turbulence and other factors.

According to one embodiment of the invention, the bottom of the flue gas purifier is communicated with the water tank through the sewage discharge pipe body, and the first control valve is arranged on the sewage discharge pipe body. The mode that utilizes the body of spraying water eliminates particulate matter and sulphide etc. in the flue gas, reduces the content of sulphide, particulate matter in the flue gas, and the sewage that sprays the gas cleaning ware bottom is for avoiding its excessive piling up, delivers to the water tank with sewage through the blowdown body, can help the water tank to reduce the flue gas temperature that gets into boats and ships oil storage storehouse inside through the water, and the design of the first control valve on blowdown body upper portion is used for controlling sewage discharge.

According to an embodiment of the present invention, the second flue gas exhaust pipe and the second flue gas exhaust pipe are respectively provided with a first control valve and a flow meter. Through opening of the first control valve that is connected with second flue gas calandria and third flue gas calandria in control, if under the higher condition of flue gas temperature, close the first control valve on the second flue gas calandria, and then make the flue gas comparatively concentrated flow to third flue gas calandria direction, the flue gas that passes through the third flue gas calandria like this can pass through the water tank, utilizes the inside water of water tank to absorb the flue gas temperature, reduces and sends into the inside flue gas temperature in boats and ships oil storage bin, realizes flue gas temperature control.

According to one embodiment of the invention, the smoke purifier is internally provided with a first screen plate which is obliquely arranged, one end part of the first screen plate is fixedly connected with one side wall surface of the inner chamber of the smoke purifier, the other end part of the first screen plate is arranged at a distance from the opposite wall surface of the chamber and forms a gap opening, the horizontal height position of the end part of the first screen plate at the gap opening end is lower than that at the other end part, and the bottom surface of the first screen plate is provided with a. The gas transmission pipe body is arranged below the first screen plate, so that after the flue gas is input into the flue gas purifier, the flue gas has larger heat and flows upwards from the inner bottom of the flue gas purifier, particles in the flue gas flowing upwards can be intercepted through the first screen plate in the flowing process, particularly, particles which are not combusted sufficiently exist in the flue gas, the first screen plate which is arranged in an inclined mode can realize that the distribution quantity of the flue gas is more uniform when the flue gas passes through the first screen plate due to the proper change of the flowing direction of the flue gas in the flowing process of the bottom of the first screen plate, the continuous passing of one end part of the first screen plate by the flue gas is avoided, the particles intercepted by the first screen plate can fall down along the inclined downward direction, and meanwhile, under the action of a spraying water body at the upper part in the flue gas purifier and formed water mist, the particles in the flue gas fall down and move along the first screen plate and can fall into, for reducing and avoiding the flue gas that upwards flows to cause the whereabouts resistance to the particulate matter of following first otter board whereabouts, the net fill of seting up on first otter board provides more whereabouts export and is convenient for the particulate matter whereabouts to first otter board below, the net fill of while taper can reduce the flue gas of first otter board bottom and directly through the probability of first otter board, promote flue gas treatment effect.

According to an embodiment of the invention, the inner bottom surface of the smoke purifier at the bottom of the first screen plate is provided with the air outlet assembly, the air outlet assembly comprises a cylindrical barrel body, the upper part of the barrel body is provided with an opening, the air delivery pipe body penetrates through the smoke purifier and extends into the barrel body, the inner wall of the barrel body is provided with a convex shunting extension groove in a surrounding manner, the center of the barrel body is provided with a rotating shaft which is coaxial with the barrel body and can rotate, and the side wall of the rotating shaft is provided with rotating. The gas transmission pipe body extends to the inside of the flue gas purification device and directly gives out gas to cause the gas outlet direction to be concentrated at a certain position in the flue gas purification device, the gas outlet direction is concentrated, the flue gas treatment capacity at the position is increased, the uneven upward distributed flow of the flue gas is not beneficial to removing particles in the flue gas and reducing the temperature of the flue gas, the upward flue gas distribution of the flue gas from the bottom in the flue gas purification device is realized by arranging the gas outlet assembly, the flue gas treatment effect and the temperature control effect are improved, the flue gas entering the barrel body flows along the inner wall of the barrel body by particularly passing through the barrel body with an opening at the upper end, thus the direct impact between the flue gas and the inner wall of the flue gas purification device is avoided, the flue gas flowing along the inner wall of the barrel body can form an upward rotational flow, the flue gas flows uniformly and upwards flows into the shunting extension groove, and the shunting extension groove is designed, therefore, the rotational flow speed can be damaged or reduced, the problem that the upward flow speed of the flue gas is too high is solved, in the rotational flow process formed by the flue gas along the inner wall of the barrel body, the particles in the flue gas are easy to be thrown to the inner wall of the barrel body, the design of the diversion extension groove can promote the particles to be trapped in the diversion extension groove, meanwhile, in the process that the particles are thrown into the diversion extension tank along with the flue gas, a large amount of impact and high-frequency impact can be formed by the contact of more particles and the inner wall of the diversion extension tank, so that the residual oxygen in the flue gas can be consumed, the oxygen content in the flue gas is further reduced, the problem that the flue gas directly impacts the inner wall of the barrel body when entering the barrel body inside the gas outlet assembly or the formed rotational flow effect is poor is solved, the rotating shaft and the rotating blades which can rotate are designed in the middle of the barrel body to conduct drainage on smoke entering the barrel body, and the smoke is promoted to form rotational flow.

According to one embodiment of the invention, a flow rectification sleeve body is arranged in the gas transmission pipe body, the diameter of the flow rectification sleeve body is gradually reduced along the gas transmission direction, the outer wall of the flow rectification sleeve body is connected with the inner wall of the gas transmission pipe body through flow equalization connecting rods arranged at intervals, and guide vanes are arranged on the outer wall of the flow rectification sleeve body in a surrounding mode. Turbulence can occur in the flue gas in the pipeline conveying process, which is not beneficial to long-term use of the pipeline and accurate detection of the oxygen content of the flue gas, so that the flue gas flowing inside the pipeline is rectified by arranging the fairing body inside the gas conveying pipe body, and the flowing flue gas flow line is rectified by the fairing body, so that the flue gas flows from the inner side and the outer side of the fairing body respectively, the flue gas flow inside the pipeline is divided, the divided flue gas flows along the sleeve wall of the fairing body with the gradually reduced diameter respectively, and the gathering of the flue gas flowing direction to the middle part of the fairing body can be realized,

according to one embodiment of the invention, the first flue gas exhaust pipe is provided with a first control valve and a flowmeter; the smoke exhaust control device is used for acquiring the flow of smoke exhausted from the interior of the smoke purifier and controlling the first control valve to open or close the first smoke exhaust pipe according to the decision of the control device so as to control the circulation of the smoke.

According to an embodiment of the present invention, the gas pipe body at the inlet end of the flue gas purifier and the first flue gas pipe at the outlet end of the flue gas purifier are respectively provided with a second detector for detecting the temperature of the flue gas. Be equipped with temperature sensor and level sensor in the boats and ships oil storage bin, acquire the inside flue gas temperature in input value boats and ships oil storage bin through the second detector of design, and with the data feedback that acquires to the control unit and come the control with opening of the first control valve on second flue gas calandria and the third flue gas calandria are connected, if under the higher condition of flue gas temperature, close the first control valve on the second flue gas calandria, and then make the flue gas flow to third flue gas calandria direction comparatively concentrated, the flue gas that passes through the third flue gas calandria can pass through the water tank like this, utilize the inside water of water tank to absorb the flue gas temperature, reduce the flue gas temperature who sends into the inside of boats and ships oil storage bin, realize flue gas temperature control, further guarantee the inside temperature in boats and ships oil storage bin according to the inside temperature sensor in boats and ships oil storage bin simultaneously, ensure explosion-proof safety, and the inside level sensor in boats and ships oil storage bin can realize carrying out real-time supervision And the inert gas amount input into the ship oil storage bin is convenient to regulate and control.

A detection method of a novel detection device for a fume inert system of an oil tanker comprises the following specific steps:

-obtaining data of the detection of the fumes inside the gas-conveying pipe at the inlet end of the fume purifier and feeding them back to the control unit,

-obtaining the smoke detection data in the first smoke exhaust pipe at the outlet end of the smoke purifier after the smoke is treated by the smoke purifier, feeding back the smoke detection data to the control unit, and controlling the flow of the smoke entering the second smoke exhaust pipe and the third smoke exhaust pipe by the control unit.

The invention utilizes the first detector to monitor the oxygen content in the flue gas input into the ship oil storage bin, ensures that the oxygen content of the inert flue gas input into the ship oil storage bin can be controlled below 8 percent, can give an alarm in time when monitoring the abnormal condition and control to stop inputting the smoke which does not accord with the oxygen content to make an emergency response, in order to ensure more accurate data monitoring, the first detectors are respectively arranged at the inlet end and the outlet end of the flue gas purifier to monitor the conveyed flue gas data, so that the accuracy of the flue gas monitoring data can be realized, the misinformation and the potential safety hazard can be reduced, wherein, the control unit can also regulate and control the flow of the flue gas input into the oil storage bin of the ship, such as regulating and controlling the flow of the flue gas entering the second flue gas calandria and the third flue gas calandria, of course, the regulation and control also comprises controlling the flue gas to enter the third flue gas exhaust pipe to control the temperature of the flue gas.

Compared with the prior art, the invention has the beneficial effects that: the invention adopts the gas transmission pipe body to transmit the flue gas, carries out treatment operation on the flue gas transmitted into the ship oil storage bin, particularly adopts the flue gas purifier to intercept particles of the flue gas and regulate and control the temperature of the flue gas, after the flue gas enters the inner bottom of the flue gas purifier along the gas transmission pipe body, most particles in the flue gas can be intercepted under the action of water sprayed at the upper part of the flue gas purifier and formed water mist, thus reducing the particles in the flue gas entering the ship oil storage bin, avoiding the particles falling into the petroleum to reduce the quality of the petroleum, reducing or avoiding the friction collision of the particles and the inner bin wall of the ship oil storage bin, preventing the generation of a fire source and the abrasion of the inner bin wall of the oil storage bin, realizing reasonable treatment on the transmitted flue gas, ensuring the normal use of the transmitted flue gas in the ship oil storage bin, and controlling the temperature of the transmitted flue gas by controlling the transmission ways of the first flue gas exhaust pipe and the third flue gas exhaust pipe, the invention also ensures the safety in the oil storage bin, and for the problem of the oxygen content in the vital smoke, the invention ensures the detection of the oxygen content concentration in the smoke on each conveying path by arranging a plurality of groups of first detectors, monitors the input smoke parameters in real time, and rectifies the smoke conveyed in the pipeline to solve the problem of inaccurate data monitoring caused by factors such as turbulence and the like.

Drawings

FIG. 1 is a schematic view of a novel detection device for a fume inert system of a tanker;

FIG. 2 is a schematic view of the internal structure of the flue gas purifier;

FIG. 3 is a schematic view of a first mesh plate;

FIG. 4 is a schematic view of the connection of a third flue gas exhaust pipe to a second flue gas exhaust pipe;

FIG. 5 is a top view of the gas outlet assembly;

FIG. 6 is a schematic view of the interior of the fairing body;

FIG. 7 is a schematic view of a rotating main disk;

fig. 8 is a schematic view of an auxiliary fairing.

Reference numerals: 100-an oil storage bin; 10-a control unit; 11-a first detector; 12-a first control valve; 13-a flow meter; 14-a connection line; 20-a gas transmission pipe body; 21-a first flue gas duct bank; 23-a second flue gas duct bank; 24-a third flue gas duct bank; 25-a water tank; 30-a flue gas purifier; 31-a first mesh sheet; 32-a net bucket; 40-a water pump; 41-a first water delivery pipe; 42-a spray pipe; 43-gap opening; 50-an air outlet assembly; 51-a waste pipe body; 52-a split flow extension tank; 53-rotating blades; 54-rotation axis; 70-a fairing body; 71-a flow equalizing connecting rod; 72-guide vanes; 80-an auxiliary fairing; 81-conical ball bearings; 82-a first via; 83-third via; 84-rotating cylinder body; 85-rotating the main disc body; 86-rotating blades.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the following detailed description and the accompanying drawings:

example 1:

referring to fig. 1-6, a novel device and method for detecting the inert gas system of the oil tanker comprises:

a gas delivery pipe body 20 for delivering the flue gas,

a flue gas purifier 30, a spray pipe 42 is arranged in the flue gas purifier 30, the spray pipe 42 is connected with a water pump 40 arranged outside the flue gas purifier 30 through a first water delivery pipe 41, a gas delivery pipe body 20 is communicated with the flue gas purifier 30 and sends the flue gas to the bottom in the flue gas purifier 30,

one end of the first flue gas exhaust pipe 21 is communicated with the upper part of the flue gas purifier 30, the other end of the first flue gas exhaust pipe 21 is connected with the three-way pipe, one pipe orifice of the first flue gas exhaust pipe is connected with the second flue gas exhaust pipe 23, the second flue gas exhaust pipe 23 is communicated with the ship oil storage bin 100, the other pipe orifice of the second flue gas exhaust pipe is connected with the third flue gas exhaust pipe 24, the third flue gas exhaust pipe 24 is communicated with the ship oil storage bin 100, and the pipe body of the third flue gas exhaust pipe 24 passes through the.

Wherein, the gas transmission pipe body 20 at the inlet end of the smoke purifier 30 and the first smoke exhaust pipe 21 at the outlet end of the smoke purifier 30 are respectively provided with a first detector 11 for detecting the oxygen content in the smoke, and the first detector 11 is respectively connected with the control unit 10.

The invention adopts the gas transmission pipe body 20 to transmit the flue gas, the used gas transmission pipe body 20 is preferably made of anticorrosive materials, the processing operation is carried out on the flue gas transmitted into the ship oil storage bin 100, particularly, the flue gas purifier 30 is adopted to carry out particulate matter interception and flue gas temperature regulation and control on the flue gas, after the flue gas enters the inner bottom of the flue gas purifier 30 along the gas transmission pipe body 20, most particulate matters in the flue gas can be intercepted under the action of water sprayed from the upper part of the flue gas purifier 30 and formed water mist, thus reducing the particulate matters in the flue gas entering the ship oil storage bin, avoiding the particulate matters from falling into the petroleum, reducing or avoiding the friction collision between the particulate matters and the inner bin wall of the ship oil storage bin 100, preventing the generation of fire sources and the abrasion of the inner bin wall of the oil storage bin 100, realizing reasonable processing on the transmitted flue gas, and ensuring the normal use of the transmitted flue gas in the ship oil storage bin, the input flue gas temperature can be controlled by controlling the conveying paths of the first flue gas calandria 23 and the third flue gas calandria 24, the safety inside the oil storage bin 100 is also ensured, and for the problem of the oxygen content in the vital flue gas, the invention ensures that the oxygen content concentration in the flue gas on each conveying path is detected by arranging a plurality of groups of first detectors 11, the input flue gas parameters are monitored in real time, and the flue gas conveyed in the pipeline is rectified to solve the problem of inaccurate data monitoring caused by factors such as turbulence and the like.

The bottom of the flue gas purifier 30 is communicated with the water tank 25 through a sewage pipe body 51, and the sewage pipe body 51 is provided with a first control valve 12. The mode that utilizes the body of spraying water eliminates particulate matter and sulphide etc. in the flue gas, reduces the content of sulphide, particulate matter in the flue gas, and sprays the sewage of flue gas purifier 30 bottom for avoiding its excessive piling up, delivers to water tank 25 with sewage through blowdown body 51, can help water tank 25 to reduce the flue gas temperature that gets into boats and ships oil storage bin 100 inside through the water, and the design of the first control valve 12 on blowdown body 51 upper portion is used for controlling sewage discharge.

The second flue gas exhaust pipe 23 and the second flue gas exhaust pipe 25 are respectively provided with a first control valve 12 and a flowmeter 13. Through opening of the first control valve 12 that control and second flue gas calandria 23 and third flue gas calandria 24 are connected, if under the higher condition of flue gas temperature, close the first control valve 12 on the second flue gas calandria 23, and then make the flue gas comparatively concentrated flow to the 24 directions of third flue gas calandria, flue gas 24 through the third flue gas calandria like this can pass through water tank 25, utilize the inside water of water tank 25 to absorb the flue gas temperature, reduce and send into the inside flue gas temperature of boats and ships oil storage bin 100, realize flue gas temperature control.

Be equipped with the first otter board 31 of slope setting in the gas cleaning ware 30, a first otter board 31 tip and the interior chamber lateral wall rigid coupling of gas cleaning ware 30, the other end sets up and forms clearance opening 43 with the relative wall interval of chamber, and the first otter board 31 tip level position of clearance open end is less than the other end, and first otter board 31 bottom surface all is equipped with conical net fill 32. The gas transmission pipe body 20 is arranged below the first screen plate 31, therefore, after the flue gas is input into the flue gas purifier 30, the flue gas has larger heat and flows upwards from the inner bottom of the flue gas purifier 30, the particulate matters in the flue gas flowing upwards can be intercepted through the first screen plate 31 in the flowing process, particularly, the particulate matters which are not combusted sufficiently exist in the flue gas, the first screen plate 31 which is obliquely arranged can realize that the distribution quantity of the flue gas is more uniform when the flue gas passes through the first screen plate 31 when the flue gas flows along the proper change of the flowing direction of the flue gas at the bottom of the first screen plate 31, the flue gas is prevented from filling one end part of the first screen plate 31 for continuous passing, the particulate matters which are intercepted by the first screen plate 31 which is obliquely arranged fall down along the oblique downward direction, meanwhile, under the action of the spraying water body at the upper part in the flue gas purifier 30 and the formed water mist, the particulate matters in the flue gas fall down and move along The clarifier 30 bottom, for reducing and avoid the flue gas of upflow to cause the whereabouts resistance to the particulate matter of following first otter board 31 whereabouts, the net fill 32 of seting up on first otter board 31 provides more whereabouts export the particulate matter of being convenient for to fall to first otter board 31 below, and the net fill 32 of while toper can reduce the flue gas of first otter board 31 bottom directly through the probability of first otter board 31, promotes flue gas treatment effect.

The inner bottom surface of the flue gas purifier 30 at the bottom of the first screen plate 31 is provided with a gas outlet assembly 50, the gas outlet assembly 50 comprises a cylindrical barrel body, the upper part of the barrel body is provided with an opening, the gas transmission pipe body 20 penetrates through the flue gas purifier 30 and extends into the barrel body, the inner wall of the barrel body is provided with a convex shunting extension groove 52 in a surrounding manner, the center of the barrel body is provided with a rotating shaft 54 which is coaxial with the barrel body and can rotate, and the side wall of the rotating shaft 54 is provided with rotating. The gas transmission pipe body 20 extends into the flue gas purification device 30, the direct gas outlet of the gas transmission pipe body leads the gas outlet direction to be concentrated at a certain position in the flue gas purification device 30, the gas outlet direction is concentrated, the flue gas treatment capacity at the position is increased, the uneven upward distributed flow of the flue gas is not beneficial to removing particulate matters in the flue gas and reducing the temperature of the flue gas, the upward flue gas distribution of the flue gas from the bottom in the flue gas purification device 30 is realized by arranging the gas outlet assembly 50, the flue gas treatment effect and the temperature control effect are improved, particularly, the flue gas entering the barrel body flows along the inner wall of the barrel body by the barrel body with an opening at the upper end, thus the direct impact of the fed flue gas and the inner wall of the flue gas purification device 30 is avoided, the flue gas flowing along the inner wall of the barrel body can form upward rotational flow, the flue gas flows upwards uniformly, meanwhile, the diversion extension grooves 52 are designed in the direction of the inner wall, therefore, the cyclone speed can be damaged or reduced, the problem that the upward flow speed of the flue gas is too high is solved, in the cyclone process formed by the flue gas along the inner wall of the barrel body, the particles in the flue gas are easily thrown to the inner wall of the barrel body, the design of the shunting extension groove 52 can promote the particles to be intercepted in the shunting extension groove 52, and simultaneously, in the process that the particles are thrown to the shunting extension groove 52 along with the flue gas, a large amount of impact and high-frequency impact can be formed by the contact of more particles and the inner wall of the shunting extension groove 52, so that the residual oxygen in the flue gas can be consumed, the oxygen content in the flue gas is further reduced, in order to reduce and avoid the problem that the barrel body inside the gas outlet assembly 50 directly impacts the inner wall of the barrel body or the formed cyclone effect is not good, the rotary shaft 54 and the rotary blades 53 which can rotate are, promoting the smoke to form rotational flow.

A rectification sleeve body 70 is arranged in the gas transmission pipe body 20, the diameter of the rectification sleeve body 70 is gradually reduced along the gas transmission direction, the outer wall of the rectification sleeve body 70 is connected with the inner wall of the gas transmission pipe body 20 through flow equalizing connecting rods 71 arranged at intervals, and guide vanes 72 are arranged on the outer wall of the rectification sleeve body 70 in a surrounding mode. The flue gas may have turbulence in the process of pipeline transportation, which is not beneficial to the long-term use of the pipeline and the detection accuracy of the oxygen content of the flue gas, so that the flue gas flowing inside the pipeline is rectified by arranging the flow rectification sleeve body 70 inside the gas transmission pipe body 20, specifically, the flowing flue gas flow line is rectified by the flow rectification sleeve body 70, the flue gas flows from the inside and outside directions of the flow rectification sleeve body 70 respectively, the flue gas flow inside the pipeline is divided firstly, the divided flue gas flows along the sleeve wall of the flow rectification sleeve body 70 with the gradually reduced diameter respectively, thus the flow direction of the flue gas is gathered towards the middle part of the flow rectification sleeve body 70, the flue gas is rectified inside the through pipe body 20, the flue gas is relatively gathered in the middle part of the pipeline in the gas transmission pipe body 20, and the flue gas flow rate is improved, and the friction damage between the particulate matters in the flue gas, meanwhile, the guide vanes 72 arranged on the outer wall of the rectifying sleeve body 70 can better guide the flue gas to promote the flue gas flowing along the outer wall of the rectifying sleeve body 70 to form a spiral flow track, so that the flue gas can be converged with the flue gas in the middle of the rectifying sleeve body 70.

The first flue gas exhaust pipe 21 is provided with a first control valve 12 and a flowmeter 13; the first control valve 12 is controlled to open or close the first flue gas discharge pipe 21 according to the control device decision, so as to control the flow of flue gas discharged from the interior of the flue gas purifier 30.

The gas transmission pipe body 20 at the inlet end of the flue gas purifier 30 and the first flue gas exhaust pipe 21 at the outlet end of the flue gas purifier 30 are respectively provided with a second detector for detecting the temperature of the flue gas. A temperature sensor and a liquid level sensor are arranged in the ship oil storage bin 100, the flue gas temperature in the ship oil storage bin 100 with an input value is obtained through a designed second detector, the obtained data is fed back to the control unit 10 to control the opening of the first control valve 12 connected with the second flue gas pipe 23 and the third flue gas pipe 24, if the flue gas temperature is higher, the first control valve 12 on the second flue gas pipe 23 is closed, and the flue gas flows to the third flue gas pipe 24 in a concentrated manner, so that the flue gas 24 passing through the third flue gas pipe can pass through the water tank 25, the water in the water tank 25 is used for absorbing the flue gas temperature, the flue gas temperature sent into the ship oil storage bin 100 is reduced, the flue gas temperature control is realized, meanwhile, the temperature in the ship oil storage bin 100 is further ensured according to the temperature sensor in the ship oil storage bin 100, and the explosion-proof safety is ensured, and the liquid level sensor in the ship oil storage bin 100 can realize real-time monitoring on the liquid level of the stored oil in the ship to acquire liquid level change, so that the amount of inert smoke input into the ship oil storage bin 100 can be regulated and controlled conveniently.

A detection method of a novel detection device for a fume inert system of an oil tanker comprises the following specific steps:

obtaining the smoke detection data inside the gas transmission pipe body 20 at the inlet end of the smoke purifier 30 and feeding back the data to the control unit 10,

after the flue gas is treated by the flue gas purifier 30, the flue gas detection data in the first flue gas discharge pipe 21 at the outlet end of the flue gas purifier 30 are obtained, the control unit 10 is fed back, and the control unit 10 regulates and controls the flow of the flue gas entering the second flue gas discharge pipe 23 and the third flue gas discharge pipe 24.

The invention utilizes the first detector 11 to monitor the oxygen content in the flue gas input into the ship oil storage bin 100, ensures that the oxygen content of the inert flue gas input into the ship oil storage bin 100 can be controlled below 8 percent, can give an alarm in time when monitoring the abnormal condition and control to stop inputting the smoke which does not accord with the oxygen content to make an emergency response, in order to ensure more accurate data monitoring, the first detectors 11 are respectively arranged at the inlet and outlet ends of the flue gas purifier 30 to monitor the conveyed flue gas data, so that the accuracy of the flue gas monitoring data can be realized, the false alarm and the potential safety hazard can be reduced, wherein, the control unit 10 can also be used to regulate the flow of the flue gas input into the oil storage bin 100 of the ship, such as regulating the flow of the flue gas entering the second flue gas duct 23 and the third flue gas duct 24, of course, the regulation also includes controlling the temperature of the flue gas by controlling the flue gas entering the third flue gas duct 24.

Example 2:

the further optimization scheme of the embodiment based on the embodiment 1 is as follows: referring to fig. 7 and 8, a coaxial auxiliary rectifying member 80 is further disposed in the rectifying sleeve body 70, the auxiliary rectifying member 80 includes a conical ball bearing 81 connected to an inner wall of the rectifying sleeve body 70, an inner ring of the conical ball bearing 81 is connected to a rotating main disc body 85 disposed coaxially therewith, a first through hole 82 and a third through hole 83 disposed in a surrounding manner and penetrating through the disc surface of the rotating main disc body 85 are respectively formed in the disc surface of the rotating main disc body 85, a rotatable rotating cylinder 84 is connected to the middle of the rotating main disc body 85, a rotating blade 86 is disposed on a cylinder side surface of the rotating cylinder 84, and two end portions of the rotating cylinder 84 can be respectively connected to the. According to the invention, the scheme of the auxiliary rectifying piece 80 arranged in the rectifying sleeve body 70 is used for realizing the spiral track flow of the flue gas passing through the inner side of the rectifying sleeve body 70, and particularly, the flue gas can be driven to rotate relative to the conical ball bearing 81 and the rotating blades 86 can also rotate relative to each other in the process of rotating the main disc body 85, so that the flue gas flow line passing through the rectifying sleeve body 70 can be changed, and the flue gas flow line can be converged with the air flow on the outer wall of the rectifying sleeve body 70 better.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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.