CN113274842A

CN113274842A - Harmful gas leakage emergency treatment method and equipment and vehicle set

Info

Publication number: CN113274842A
Application number: CN202110396725.7A
Authority: CN
Inventors: 崔启利; 陈先树; 孙晓辉; 姜琳; 陈宏宇; 丁波
Original assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Current assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-08-20
Anticipated expiration: 2041-04-13
Also published as: CN113274842B

Abstract

The embodiment of the application discloses a harmful gas leakage emergency treatment method, equipment and a vehicle set, wherein the equipment comprises: the device comprises a gas collection cabin, at least two gas adsorption and desorption cabins, a gas degradation cabin, a fan module and a main controller; the main controller is used for setting the at least two gas adsorption and desorption cabins to be in a parallel connection mode when the flow of the leaked harmful gas is larger than a preset flow threshold value, and the fan module is used for controlling the at least two gas adsorption and desorption cabins to alternately adsorb and desorb the harmful gas based on the parallel connection mode; the main control unit is used for setting at least two gas adsorption and desorption cabins into a series connection form when the flow of the leaked harmful gas is smaller than or equal to a preset flow threshold value, and the fan module is used for controlling the at least two gas adsorption and desorption cabins to adsorb the harmful gas in sequence and to desorb the gas in sequence after the adsorption is completed based on the series connection form. With this embodiment, the problem of harmful gas leakage can be dealt with.

Description

Harmful gas leakage emergency treatment method and equipment and vehicle set

Technical Field

The invention relates to the field of emergency rescue equipment, in particular to a harmful gas leakage emergency treatment method, equipment and a vehicle set.

Background

In the industrial production process, the occurrence frequency of accidents of sudden leakage of harmful gas is higher and higher due to negligence or error of operators, aging of production equipment and the like. Losses due to leakage incidents are more than billions of dollars per year and more as the frequency of leakage incidents increases. Moreover, once harmful gas leaks out, the harmful gas brings serious harm to human health and environment. Therefore, it is necessary to provide a technical solution to deal with the problem of harmful gas leakage.

Disclosure of Invention

An object of the embodiment of the application is to provide a harmful gas leakage emergency treatment method, equipment and a vehicle set so as to solve the problem of harmful gas leakage.

In order to solve the above technical problem, the embodiment of the present application is implemented as follows:

in one aspect, an embodiment of the present application provides an emergency treatment device for harmful gas leakage, including: the device comprises a gas collection cabin, at least two gas adsorption and desorption cabins, a gas degradation cabin, a fan module and a main controller;

the main controller is used for setting the at least two gas adsorption and desorption cabins to be in a parallel connection mode when the flow of the leaked harmful gas is larger than a preset flow threshold value, setting each gas adsorption and desorption cabin to be connected with the gas collection cabin, and setting each gas adsorption and desorption cabin to be connected with the fan module;

the fan module is used for controlling the gas collection cabin to collect the harmful gas based on the parallel connection form, controlling the at least two gas adsorption and desorption cabins to alternately adsorb and desorb the harmful gas, and discharging the gas obtained by desorption to the gas recovery equipment;

the main controller is further used for setting the at least two gas adsorption and desorption cabins to be in a serial connection mode when the flow of the leaked harmful gas is smaller than or equal to the preset flow threshold value, setting the first gas adsorption and desorption cabin on the serial connection to be connected with the gas collection cabin, setting the last gas adsorption and desorption cabin on the serial connection to be connected with the fan module, and setting each gas adsorption and desorption cabin to be connected with the gas degradation cabin;

the fan module is still used for based on the series connection form, control the gas collection cabin is collected harmful gas, control two at least gas adsorption desorption cabins adsorb harmful gas in order and carry out gas desorption in order after adsorbing the completion to discharge the gas that the desorption obtained extremely the gas degradation cabin degrades.

On the other hand, an embodiment of the present application provides a harmful gas leakage emergency treatment vehicle group, the vehicle group includes:

a vehicle body and a harmful gas leakage emergency treatment apparatus as described in the above first aspect;

the harmful gas leakage emergency treatment equipment is arranged on the vehicle body.

In another aspect, an embodiment of the present application provides a harmful gas emergency treatment method, which is applied to the harmful gas leakage emergency treatment device according to the first aspect or the vehicle group according to the second aspect, where the method includes:

when the flow of the leaked harmful gas is larger than a preset flow threshold value, the main controller sets the at least two gas adsorption and desorption cabins to be in a parallel connection mode, sets each gas adsorption and desorption cabin to be connected with the gas collection cabin, and sets each gas adsorption and desorption cabin to be connected with the fan module;

the fan module controls the gas collection cabin to collect the harmful gas based on the parallel connection mode, controls the at least two gas adsorption and desorption cabins to alternately adsorb and desorb the harmful gas, and discharges the gas obtained by desorption to the gas recovery equipment;

when the flow of the leaked harmful gas is smaller than or equal to the preset flow threshold value, the main controller sets the at least two gas adsorption and desorption cabins to be in a serial connection mode, sets the first gas adsorption and desorption cabin on the serial connection to be connected with the gas collection cabin, sets the last gas adsorption and desorption cabin on the serial connection to be connected with the fan module, and sets each gas adsorption and desorption cabin to be connected with the gas degradation cabin;

the fan module is based on the series connection form, control the gas collection cabin is collected harmful gas, control two at least gas adsorption desorption cabins adsorb harmful gas in order and carry out gas desorption in order after adsorbing the completion to discharge the gas that the desorption obtained extremely the gas degradation cabin degrades.

According to the method, the device and the vehicle set for the emergency treatment of the leakage of the harmful gas, when the flow of the leaked harmful gas is larger than a preset flow threshold value, at least two gas adsorption and desorption cabins can be set to be in a parallel connection mode, the fan module can control the gas collection cabin to collect the harmful gas based on the parallel connection mode, the at least two gas adsorption and desorption cabins are controlled to alternately adsorb and desorb the harmful gas, the gas obtained by desorption is discharged to the gas recovery device to be recovered, and therefore the problem of leakage of the large-flow harmful gas can be solved; can be when the flow threshold value is predetermine to the harmful gas's that reveals flow less than or equal to, adsorb the desorption cabin to two at least gases and set up to the series connection form, the fan module can be based on this series connection form, control gas collection cabin is collected harmful gas, control two at least gases adsorb the desorption cabin and adsorb harmful gas in order and carry out gas desorption in order after adsorbing the completion, and the gas emission that obtains the desorption degrades to the gas degradation cabin, thereby deal with the problem that little flow harmful gas leaked. Therefore, through the harmful gas leakage emergency treatment method, the equipment and the vehicle set in the embodiment, corresponding treatment modes can be provided for harmful gases with different flow rates, and therefore the problem of harmful gas leakage under different conditions is solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.

Fig. 1 is a schematic structural diagram of an emergency treatment device for harmful gas leakage according to an embodiment of the present disclosure;

fig. 2a is a schematic view illustrating a connection relationship between a gas collection cabin, a gas adsorption/desorption cabin, and a fan module according to an embodiment of the present disclosure;

fig. 2b is a schematic view of a connection relationship between a gas collection chamber, a gas adsorption/desorption chamber, and a fan module according to another embodiment of the present disclosure;

fig. 3 is a schematic view of an adsorption-desorption cycle provided in an embodiment of the present application;

fig. 4a is a schematic view illustrating a connection relationship between a gas collection cabin, a gas adsorption and desorption cabin, a fan module, and a gas degradation cabin according to an embodiment of the present disclosure;

fig. 4b is a schematic view of a connection relationship between a gas collection cabin, a gas adsorption and desorption cabin, a fan module and a gas degradation cabin according to another embodiment of the present application;

fig. 5 is a schematic view of sequential adsorption and desorption provided in an embodiment of the present application;

fig. 6 is a schematic structural view of an emergency treatment device for harmful gas leakage according to another embodiment of the present application;

fig. 7 is a schematic structural view of an emergency treatment device for harmful gas leakage according to another embodiment of the present application;

FIG. 8 is a schematic structural diagram of a harmful gas leakage emergency treatment vehicle set according to an embodiment of the present application;

fig. 9 is a schematic view of a hydraulic drive system of a fan module according to an embodiment of the present disclosure;

fig. 10 is a schematic flow chart of a harmful gas emergency treatment method according to an embodiment of the present application.

Reference numerals:

the device comprises a gas collection cabin 10, a gas adsorption and desorption cabin 20, a gas degradation cabin 30, a fan module 40 and a main controller 50;

an adsorption fan 401, a desorption fan 402, and an adsorption exhaust port 4001;

a first valve 301, a second valve 302, a third valve 303, a fourth valve 304, a desorption exhaust port 305;

the device comprises an inert gas tank 60, a gas filtering cabin 70, a ventilation and cooling pipeline 801, an exhaust channel 802 and a vehicle body 100;

the hydraulic oil pump comprises a hydraulic oil tank 901, an oil suction filter 902, a ball valve 903, a power source 904, a hydraulic oil pump 905, a one-way valve 906, a hydraulic gauge 907, a two-position three-way valve 908, a hydraulic motor 909, a radiator 910, an oil return filter 911 and an overflow valve 912.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

Fig. 1 is a schematic structural diagram of an emergency treatment device for harmful gas leakage according to an embodiment of the present application, and as shown in fig. 1, the emergency treatment device includes:

the device comprises a gas collection cabin 10, at least two gas adsorption and desorption cabins 20 (two are taken as examples in fig. 1 for illustration), a gas degradation cabin 30, a fan module 40 and a main controller 50;

the main controller 50 is used for setting at least two gas adsorption and desorption cabins 20 to be connected in parallel when the flow of the leaked harmful gas is larger than a preset flow threshold, setting each gas adsorption and desorption cabin 20 to be connected with the gas collection cabin 10, and setting each gas adsorption and desorption cabin 20 to be connected with the fan module 40;

the fan module 40 is used for controlling the gas collection cabin 10 to collect the harmful gas based on the parallel connection form, controlling the at least two gas adsorption and desorption cabins 20 to alternately adsorb and desorb the harmful gas, and discharging the gas obtained by desorption to the gas recovery equipment;

the main controller 50 is further configured to set at least two gas adsorption and desorption chambers 20 in a serial connection mode when the flow of the leaked harmful gas is less than or equal to a preset flow threshold, set the first gas adsorption and desorption chamber 20 on the serial connection to be connected with the gas collection chamber 10, set the last gas adsorption and desorption chamber 20 on the serial connection to be connected with the fan module 40, and set each gas adsorption and desorption chamber 20 to be connected with the gas degradation chamber 30;

the fan module 40 is still used for controlling the gas collection cabin 10 to collect the harmful gas based on the series connection form, controlling at least two gas adsorption and desorption cabins 20 to adsorb the harmful gas in sequence and perform gas desorption in sequence after the adsorption is completed, and discharging the gas obtained by desorption to the gas degradation cabin 30 for degradation.

The harmful gas in this embodiment may be various organic gases, which are likely to cause environmental pollution after leakage, and are flammable and explosive.

In this embodiment, the gas collecting chamber 10 has a gas collecting inlet and a gas collecting outlet, and a thread structure, such as an external thread interface, is provided on the gas collecting inlet, and can be connected to the gas collecting pipeline through the thread structure, so as to collect the gas outside the device. The gas collection outlet may be any form of outlet.

Gaseous absorption desorption cabin 20 has gaseous absorption desorption entry, gaseous absorption desorption export and desorption gas vent, can realize the gaseous absorption desorption cabin 20 and the gaseous intercommunication between collecting the cabin 10 through gaseous absorption desorption entry, can realize the gaseous intercommunication between desorption cabin 20 and the fan module 40 through gaseous absorption desorption export, can realize the gaseous absorption desorption cabin 20 and the gaseous degradation cabin 30 or the intercommunication between the gas recovery equipment through the desorption gas vent.

The gas adsorption and desorption compartment 20 may be in the form of a gas adsorption and desorption tank. Harmful gas adsorption substances such as activated carbon, zeolite and the like are arranged in the gas adsorption and desorption chamber 20, and the activated carbon and the zeolite can adsorb various organic gases. A sensor is further provided in the gas adsorption/desorption chamber 20, and the sensor is used for detecting the adsorption degree of the harmful gas adsorbent and for detecting the desorption degree of the harmful gas adsorbent.

The gas degradation cabin 30 is internally provided with a degradation catalyst, harmful gas obtained by desorption can be degraded by the degradation catalyst, and the degraded products are carbon dioxide and water vapor. The gas degradation compartment 30 may be located in any desired location and is not limited to the schematic position of fig. 1. The gas degradation cabin 30 can be provided with a power interface, and a 380V or 220V power supply is externally connected through the power interface to realize the degradation of the organic gas.

The main controller 50 can communicate with a terminal device of an emergency rescue command center in a gas leakage field, and receive a communication signal sent by the terminal device, where the communication signal carries a notification message for notifying the main controller 50 whether the flow rate of the harmful gas leaked in the gas leakage field is greater than a preset flow rate threshold value. For example, "111" is carried in the communication signal, which indicates that the flow rate of the harmful gas leaked at the gas leakage site is greater than the preset flow rate threshold. In another example, the communication signal carries "222" indicating that the flow rate of the harmful gas leaked from the gas leakage site is less than or equal to the preset flow rate threshold.

When the flow of the leaked harmful gas is greater than the preset flow threshold value, the main controller 50 sets the at least two gas adsorption and desorption cabins 20 to be in a parallel connection mode, sets each gas adsorption and desorption cabin 20 to be connected with the gas collection cabin 10, and sets each gas adsorption and desorption cabin 20 to be connected with the fan module 40.

Fig. 2a is the relation of connection between gas collection cabin, the gas adsorption desorption cabin that this application embodiment provided, the fan module, as shown in fig. 2a, to demonstrate for example two gas adsorption desorption cabins 20, main control unit 50 controls two gas adsorption desorption cabins 20 and forms the parallelly connected form, and every gas adsorption desorption cabin 20 all is connected with gas collection cabin 10, and every gas adsorption desorption cabin 20 all is connected with fan module 40. Under this kind of parallel mode, fan module 40 can control gas collection cabin 10 and collect harmful gas, controls two at least gas adsorption desorption cabins 20 and adsorbs and the desorption to harmful gas in turn to gas emission to the gas recovery equipment that obtains the desorption.

Under the form of connecting in parallel, be provided with a plurality of gas adsorption desorption cabins 20, every gas adsorption desorption cabin 20's structure is all the same, and every gas adsorption desorption cabin 20 all sets up between gas collection cabin 10 and fan module 40. In the gas collection processing procedure, the gas adsorption and desorption cabin 20 of the part of the plurality of gas adsorption and desorption cabins 20 is subjected to gas adsorption, the gas adsorption and desorption cabin 20 is subjected to gas desorption, the gas adsorption and desorption cabin 20 after desorption is subjected to gas adsorption again, and the gas adsorption and desorption cabin 20 after adsorption is subjected to gas desorption again, so that the alternate operation of gas adsorption and desorption is realized by arranging the plurality of completely identical gas adsorption and desorption cabins 20, and the gas adsorption and desorption efficiency is improved.

In this embodiment, the fan module 40 includes an adsorption fan and a desorption fan. The adsorption fan and the desorption fan can be a vacuum fan, a volume vacuum pump, a common industrial fan and the like. The adsorption process of the gas is realized through the adsorption fan, and the desorption process of the gas is realized through the desorption fan. Fig. 2b is the gas collection cabin that this application another embodiment provided, gas adsorption desorption cabin, the relation of connection between the fan module sketch map, as shown in fig. 2b, use two gas adsorption desorption cabins 20 to exemplify, under the form of connecting in parallel, adsorption fan 401 is connected with every gas adsorption desorption cabin 20 respectively, desorption fan 402 is connected with every gas adsorption desorption cabin 20 respectively, adsorption fan 401 can be based on this form of connecting in parallel, the gas after the desorption in at least two gas adsorption desorption cabins 20 adsorbs the interior negative pressure that forms of desorption cabin 20, adsorb harmful gas with the gas adsorption desorption cabin 20 after the control desorption. The desorption fan 402 can supply a gas for desorption, such as an inert gas or air, to the gas adsorption/desorption chamber 20 after adsorption in the at least two gas adsorption/desorption chambers 20 based on the parallel connection manner, so as to control the gas adsorption/desorption chamber 20 after adsorption to desorb the harmful gas.

Specifically, as shown in fig. 2b, the adsorption fan 401 has an adsorption exhaust port 4001 thereon. In the working process of the adsorption fan 401, the adsorption fan 401 can make the gas collection cabin 10 and the gas adsorption and desorption cabin 20 form a negative pressure environment through the form of air exhaust, so that the gas collection cabin 10 collects the gas outside the device, and the adsorbed substance in the gas adsorption and desorption cabin 20 adsorbs the collected gas. The collected gas can be understood as a mixed gas of air and harmful gas, wherein the harmful gas is adsorbed by the adsorption substance, the gas obtained by adsorption is air, and the gas obtained by adsorption is exhausted through the adsorption exhaust port 4001 on the adsorption fan 401, for example, to the ambient environment.

Specifically, as shown in fig. 2b, the gas adsorption/desorption chamber 20 has a desorption gas outlet 305 thereon. In the working process of the desorption fan 402, the desorption fan 402 can also introduce a gas for desorption, such as an inert gas or air, into the gas adsorption and desorption chamber 20, so as to desorb the harmful gas adsorbed in the gas adsorption and desorption chamber 20 in a blowing manner, the desorption is a process in which the harmful gas is separated from the adsorbed substance, the desorbed gas is a harmful gas with high purity, and the desorbed gas is discharged through the desorption exhaust port 305 of the gas adsorption and desorption chamber 20. The desorption gas outlet 305 of the gas adsorption and desorption cabin 20 can be connected with an external gas recovery device, such as a compressed tank truck, so as to recover and store the desorbed harmful gas with high purity.

What combine above fan module's working process can know, and under the form of connecting in parallel in this embodiment, the gas adsorption passageway is gas collection cabin 10, gas adsorption desorption cabin 20, adsorbs fan 401's absorption gas vent 4001, and wherein, the gas before the absorption can be understood as the mist of harmful gas and air, and harmful gas is adsorbed by the harmful gas adsorption material in the gas adsorption desorption cabin 20, and the air is discharged through adsorbing gas vent 4001. In this embodiment, in a parallel connection mode, the gas desorption passage is the desorption fan 402 and the desorption exhaust port 305 of the gas adsorption and desorption compartment 20, wherein the desorbed gas is a harmful gas with high purity, and the desorbed gas is discharged through the desorption exhaust port 305 of the gas adsorption and desorption compartment 20, for example, is conveyed to an external gas recovery device such as a compressed tank truck.

In this embodiment, be provided with first valve between each gaseous absorption desorption cabin, be provided with the second valve between every gaseous absorption desorption cabin and the adsorption fan, be provided with the third valve between every gaseous absorption desorption cabin and the desorption fan, be provided with the fourth valve between every gaseous absorption desorption cabin and the gaseous degradation cabin. The first valve is used for controlling the communication relation between the two gas adsorption and desorption cabins, the second valve is used for controlling the communication relation between the gas adsorption and desorption cabins and the adsorption fan, the third valve is used for controlling the communication relation between the gas adsorption and desorption cabins and the desorption fan, and the fourth valve is used for controlling the communication relation between the gas adsorption and desorption cabins and the gas degradation cabin. The main controller can control each first valve to be closed, each second valve to be opened, each third valve to be opened and each fourth valve to be opened, so that a parallel connection mode among the gas adsorption and desorption cabins is realized.

Fig. 3 is a schematic view of an adsorption and desorption cycle provided in an embodiment of the present application, as shown in fig. 3, taking two gas adsorption and desorption chambers as an example, in this embodiment, after a gas processing operation starts, a main controller controls an adsorption fan to operate, the main controller controls the adsorption fan to communicate with the gas adsorption and desorption chamber 1 by controlling the opening or closing of the first valve, the second valve, the third valve, and the fourth valve, so as to start the gas adsorption and desorption chamber 1 to adsorb, when a sensor in the gas adsorption and desorption chamber 1 detects that a gas adsorption degree in the gas adsorption and desorption chamber 1 exceeds a certain value, such as 90%, the main controller controls the gas adsorption and desorption chamber 2 to communicate with the adsorption fan by controlling the opening or closing of the first valve, the second valve, the third valve, and the fourth valve, so as to start the gas adsorption and desorption chamber 2 to adsorb, and, the main controller controls the desorption fan to work, the main controller controls the desorption fan to be communicated with the gas adsorption and desorption cabin 1 by controlling the opening or closing mode of the first valve, the second valve, the third valve and the fourth valve, the desorption fan is controlled to introduce inert gas into the gas adsorption and desorption cabin 1 to begin desorption, and the desorbed high-purity harmful gas is conveyed to the compression tank truck.

Detect gas adsorption desorption cabin 2 through the sensor in the gas adsorption desorption cabin 2 and be about to adsorb saturation, and the desorption degree that detects gas adsorption desorption cabin 1 through the sensor in the gas adsorption desorption cabin 1 reaches a definite value as 50%, main control unit is through controlling above-mentioned first valve, the second valve, the third valve, the mode of opening or closing of fourth valve, control adsorption fan and gas adsorption desorption cabin 1 intercommunication, control desorption fan and gas adsorption desorption cabin 2 intercommunication, control gas adsorption desorption cabin 1 adsorbs, gas adsorption desorption cabin 2 carries out the desorption, the circulation is reciprocal, function exchange is realized to gas adsorption desorption cabin 1 and 2, carry out large-traffic organic gas's absorption and recovery.

Correspondingly, the adsorption fan can control the gas adsorption and desorption cabin 1 to adsorb after harmful gas begins to be treated, after the gas adsorption and desorption cabin 1 finishes adsorbing, the desorption fan controls the gas adsorption and desorption cabin 1 to begin desorbing, the adsorption fan also controls the gas adsorption and desorption cabin 2 to begin adsorbing, after the gas adsorption and desorption cabin 2 finishes adsorbing, the desorption fan controls the gas adsorption and desorption cabin 2 to begin desorbing, after the gas adsorption and desorption cabin 1 finishes desorbing, the adsorption fan controls the gas adsorption and desorption cabin 1 to adsorb again, thereby the gas adsorption and desorption cabins 1 and 2 realize function exchange, and the adsorption and recovery of large-flow organic gas are carried out.

As shown in fig. 2b, the gas adsorption and desorption compartment 20 has a first valve (not shown) for controlling the communication relationship between the two gas adsorption and desorption compartments 20, a second valve 302 for controlling the communication relationship with the adsorption fan 401, a third valve 303 for controlling the communication relationship with the desorption fan 402, and a fourth valve 304 for controlling the communication relationship with the gas degradation compartment 30, as described above. The main controller 50 is specifically configured to close the first valve of each gas adsorption/desorption chamber 20 when the flow of the leaked harmful gas is greater than a preset flow threshold, and control the on/off of the second valve 302, the third valve 303, and the fourth valve 304 of each gas adsorption/desorption chamber 20, so that the desorbed gas adsorption/desorption chamber 20 is connected with the adsorption fan 401 to perform gas adsorption, and the adsorbed gas adsorption/desorption chamber 20 is connected with the desorption fan 402 to perform gas desorption.

Specifically, in the parallel mode, the main controller 50 controls the first valve of each gas adsorption and desorption chamber 20 to be closed. When carrying out the adsorption process in certain gas adsorption desorption cabin 20, main control unit 50 controls the second valve 302 of this gas adsorption desorption cabin 20 and opens, third valve 303 and fourth valve 304 are closed, this gas adsorption desorption cabin 20 adsorbs with absorption fan 401 intercommunication, when carrying out the desorption process in certain gas adsorption desorption cabin 20, main control unit 50 controls the third valve 303 and the fourth valve 304 of this gas adsorption desorption cabin 20 and opens, second valve 302 closes, this gas adsorption desorption cabin 20 and desorption fan 402 intercommunication carry out the desorption.

In a more specific embodiment, the emergency treatment device includes a pneumatic or hydraulic control system by which the main controller 50 controls the first, second, third, and

fourth valves

302, 303, 304. In the parallel mode, the first valves of all the gas adsorption/desorption chambers 20 are closed, and when an adsorption process is performed in a certain gas adsorption/desorption chamber 20, the second valve 302 of the gas adsorption/desorption chamber 20 is opened, the third valve 303 and the fourth valve 304 are closed, and the gas adsorption/desorption chamber 20 is communicated with the adsorption fan 401, so that the adsorption process is performed. When a desorption process is performed in a certain gas adsorption and desorption chamber 20, the second valve 302 of the gas adsorption and desorption chamber 20 is closed, the fourth valve 304 of the third valve 303 is opened, and the gas adsorption and desorption chamber 20 is communicated with the desorption fan 402, so that the desorption process is performed.

When the flow of the leaked harmful gas is less than or equal to the preset flow threshold value, the main controller 50 sets at least two gas adsorption and desorption cabins 20 to be in a serial connection mode, sets the first gas adsorption and desorption cabin 20 on the serial connection link to be connected with the gas collection cabin 10, sets the last gas adsorption and desorption cabin 20 on the serial connection link to be connected with the fan module 40, and sets each gas adsorption and desorption cabin 20 to be connected with the gas degradation cabin 30.

Fig. 4a is the gas collection cabin that this application embodiment provided, gas adsorption desorption cabin, the fan module, the relation of connection between the gaseous degradation cabin schematic diagram, as shown in fig. 4a, use three gas adsorption desorption cabin 20 to exemplify and indicate, main control unit 50 controls two gas adsorption desorption cabins 20 and forms the series connection form, set up first gas adsorption desorption cabin 20 and gas collection cabin 10 on the series connection link and be connected, set up last gas adsorption desorption cabin 20 and fan module 40 and be connected on the series connection link, it all is connected with gaseous degradation cabin 30 to set up every gas adsorption desorption cabin 20. Under this kind of series connection mode, fan module 40 can control gas collection cabin 10 and collect harmful gas, controls two at least gas adsorption desorption cabins 20 and adsorbs harmful gas in order and carry out gaseous desorption in order after adsorbing the completion to gas emission that obtains the desorption degrades to gaseous degradation cabin 30.

Under the series connection form, be provided with a plurality of gaseous desorption cabins 20 that adsorb, every gaseous structure that adsorbs desorption cabin 20 is all the same, and every gaseous desorption cabin 20 that adsorbs all sets up between gas collection cabin 10 and fan module 40. In the gas collection processing procedure, these a plurality of gas absorption desorption cabins 20 adsorb the gas of collecting in proper order, adsorb the back of accomplishing, and these a plurality of gas absorption desorption cabins 20 desorb the gas of absorption in proper order again to through setting up a plurality of identical gas absorption desorption cabins 20, realize gaseous multistage absorption and multistage desorption, improve gaseous absorption desorption efficiency.

In this embodiment, the fan module includes adsorption fan and desorption fan. The adsorption fan and the desorption fan can be a vacuum fan, a volume vacuum pump, a common industrial fan and the like. The adsorption process of the gas is realized through the adsorption fan, and the desorption process of the gas is realized through the desorption fan. Fig. 4b is the gas collection cabin that this application another embodiment provided, gas adsorption desorption cabin, fan module, the relation of connection between the gaseous degradation cabin sketch map, as shown in fig. 4b, use three gas adsorption desorption cabin 20 as the example to indicate, under the series connection form, gas collection cabin 10, a plurality of gas adsorption desorption cabin 20 connect gradually, last gas adsorption desorption cabin 20 is connected on adsorption fan 401 and the serial link, last gas adsorption desorption cabin 20 is connected on desorption fan 402 and the serial link, every gas adsorption desorption cabin 20 all is connected with gaseous degradation cabin 30. The adsorption fan 401 is further configured to form a negative pressure in each gas adsorption and desorption compartment 20 based on a serial connection mode so as to control each gas adsorption and desorption compartment 20 to adsorb the harmful gas in sequence, and the desorption fan 402 is further configured to introduce gas for desorption, such as inert gas or air, into each gas adsorption and desorption compartment 20 after adsorption is completed based on a serial connection mode so as to control each gas adsorption and desorption compartment 20 to desorb the harmful gas in sequence.

Specifically, as shown in fig. 4b, the adsorption fan 401 has an adsorption exhaust port 4001 thereon. In the working process of the adsorption fan 401, the adsorption fan 401 can make the gas collection cabin 10 and the gas adsorption and desorption cabin 20 form a negative pressure environment through the form of air exhaust, so that the gas collection cabin 10 collects the gas outside the device, and the adsorbed substance in the gas adsorption and desorption cabin 20 adsorbs the collected gas. The collected gas can be understood as a mixed gas of air and harmful gas, wherein the harmful gas is adsorbed by the adsorption substance, the gas obtained by adsorption is air, and the gas obtained by adsorption is exhausted through the adsorption exhaust port 4001 on the adsorption fan 401, for example, to the ambient environment.

Specifically, as shown in fig. 4b, the gas adsorption/desorption chamber 20 has a desorption gas outlet 305 thereon. In the working process of the desorption fan 402, the desorption fan 402 can also introduce a gas for desorption, such as an inert gas or air, into the gas adsorption and desorption chamber 20, so as to desorb the harmful gas adsorbed in the gas adsorption and desorption chamber 20 in a blowing manner, the desorption is a process in which the harmful gas is separated from the adsorbed substance, the desorbed gas is a harmful gas with high purity, and the desorbed gas is discharged to the gas degradation chamber 30 through the desorption exhaust port 305 of the gas adsorption and desorption chamber 20 to be degraded. In this embodiment, the desorption exhaust port 305 is communicated with the gas degradation cabin 30 through a desorption pipeline, and harmful gas obtained by desorption enters the gas degradation cabin 30 through the desorption pipeline for degradation.

What can know in the course of the work of combining above fan module, in this embodiment, the gas adsorption passageway is gas collection cabin 10, gas adsorption desorption cabin 20, adsorbs fan 401's absorption gas vent 4001, and wherein, the gas before the absorption can be understood as the mist of harmful gas and air, and harmful gas is adsorbed by the harmful gas adsorption material in the gas adsorption desorption cabin 20, and the air is discharged through absorption gas vent 4001. In this embodiment, the gas desorption passage is the desorption fan 402, the desorption exhaust port 305 of the gas adsorption and desorption chamber 20, the desorption pipeline and the gas degradation chamber 30, wherein the gas obtained by desorption is a harmful gas with high purity, the gas obtained by desorption is discharged to the gas degradation chamber 30 through the desorption exhaust port 305 of the gas adsorption and desorption chamber 20 for degradation, and the carbon dioxide and the water vapor obtained by degradation can be discharged to the ambient air.

As described above, in this embodiment, a first valve is provided between each gas adsorption/desorption cabin, a second valve is provided between each gas adsorption/desorption cabin and the adsorption fan, a third valve is provided between each gas adsorption/desorption cabin and the desorption fan, and a fourth valve is provided between each gas adsorption/desorption cabin and the gas degradation cabin. The first valve is used for controlling the communication relation between the two gas adsorption and desorption cabins, the second valve is used for controlling the communication relation between the gas adsorption and desorption cabins and the adsorption fan, the third valve is used for controlling the communication relation between the gas adsorption and desorption cabins and the desorption fan, and the fourth valve is used for controlling the communication relation between the gas adsorption and desorption cabins and the gas degradation cabin. The main controller can control each first valve to be opened, the second valve of the last gas adsorption and desorption cabin on the series connection is opened, the rest second valves are closed, the third valve of the last gas adsorption and desorption cabin on the series connection is opened, the rest third valves are closed, and each fourth valve is opened, so that the series connection mode among the gas adsorption and desorption cabins is realized.

Fig. 5 is the adsorption and desorption sketch map in order that this application embodiment provided, as shown in fig. 5, use two gas adsorption desorption cabin 20 as an example, in this embodiment, adsorb the operation and begin the back, main control unit 50 control adsorbs fan 401 work, control gas adsorption desorption cabin 1 and gas adsorption desorption cabin 2 adsorb in order, adsorb the back, main control unit 50 control desorption fan 402 work, control gas adsorption desorption cabin 1 and gas adsorption desorption cabin 2 desorb in order, the gas after desorbing is carried to gas degradation cabin 30 and is degraded.

Correspondingly, the adsorption fan 401 can control the gas adsorption and desorption cabin 1 and the gas adsorption and desorption cabin 2 to adsorb after beginning to process the harmful gas, after the gas adsorption and desorption cabin 1 and the gas adsorption and desorption cabin 2 finish adsorbing, the desorption fan 402 controls the gas adsorption and desorption cabin 1 and the gas adsorption and desorption cabin 2 to begin to desorb, and the harmful gas obtained by desorption is conveyed to the gas degradation cabin 30 to be degraded.

As shown in fig. 4b, the gas adsorption and desorption compartment 20 has a first valve 301 for controlling the communication between the two gas adsorption and desorption compartments 20, a second valve 302 for controlling the communication with the adsorption fan 401, a third valve 303 for controlling the communication with the desorption fan 402, and a fourth valve 304 for controlling the communication with the gas degradation compartment 30, as described above. The main controller 50 is specifically configured to open the first valve of each gas adsorption/desorption chamber 20 when the flow of the leaked harmful gas is less than or equal to a preset flow threshold, and control the on-off of the second valve 302, the third valve 303 and the fourth valve 304 of the last gas adsorption/desorption chamber 20 on the serial connection, so that at least two gas adsorption/desorption chambers 20 are connected to the adsorption fan 401 for adsorption, and are connected to the desorption fan 402 for desorption after adsorption is completed.

Specifically, in the series mode, the main controller 50 controls the first valve of each gas adsorption and desorption chamber 20 to be opened. When gas adsorption is performed, the second valve 302 of the last gas adsorption and desorption cabin 20 on the serial connection is controlled to be opened, the third valve 303 and the fourth valve 304 are controlled to be closed, so that at least two gas adsorption and desorption cabins 20 are connected with the adsorption fan 401 for adsorption, after adsorption is completed, the second valve 302 of the last gas adsorption and desorption cabin 20 on the serial connection is controlled to be closed, and the third valve 303 and the fourth valve 304 are controlled to be opened, so that at least two gas adsorption and desorption cabins 20 are connected with the desorption fan 402 for desorption.

fourth valves

302, 303, 304. In the series mode, the first valve of the all-gas adsorption and desorption chamber 20 is opened, when gas is adsorbed, the second valve 302 of the last gas adsorption and desorption chamber 20 is opened, the third valve 303 and the fourth valve 304 are closed, and the all-gas adsorption and desorption chamber 20 is communicated with the adsorption fan 401, so that the adsorption process is performed. During gas desorption, the second valve 302 of the last gas adsorption and desorption chamber 20 is closed, the third valve 303 and the fourth valve 304 are opened, and all the gas adsorption and desorption chambers 20 are communicated with the desorption fan 402, so that the adsorption process is performed.

In the above description, the main controller 50 implements a parallel connection mode and a series connection mode between the plurality of gas adsorption and desorption chambers 20 by controlling on and off of each valve. In practical application, considering that the arrangement positions of the gas adsorption and desorption chambers 20 in the parallel connection mode and the series connection mode may be different, and the arrangement positions of the fan modules 40 in the parallel connection mode and the series connection mode may be different, so that the truck-mounted crane may be arranged, the main controller 50 places the gas adsorption and desorption chambers 20 in the proper parallel connection or series connection position through the truck-mounted crane, and places the fan modules 40 in the proper parallel connection or series connection position through the truck-mounted crane, thereby facilitating the serial connection or parallel connection through the opening and closing of the valves. The main controller 50 can also place the gas adsorption and desorption cabin 20 and the fan module 40 at appropriate positions through the truck-mounted crane according to a built-in preset map path, so that the opening and closing of the control valve are facilitated, and the parallel connection and the series connection are realized. This suitable position may be described as "a position matching the parallel form or the series form".

Those skilled in the art can understand that the emergency treatment device realizes the series connection mode and the parallel connection mode through the on-off of the first valve, the second valve 302, the third valve 303 and the fourth valve 304, and realizes the adsorption and desorption operation in the series connection mode and the adsorption and desorption operation in the parallel connection mode. The specific valve control process is not limited to the above description, and all valve control processes capable of realizing adsorption and desorption in a serial connection mode and adsorption and desorption in a parallel connection mode are within the scope of the present application and are not repeated here.

Fig. 6 is a schematic structural view of a harmful gas leakage emergency treatment apparatus according to another embodiment of the present application, which further includes an inert gas tank 60 for containing an inert gas, as shown in fig. 6. The main controller 50 is also used for setting the desorption fan 402 to be connected with the inert gas tank 60. The desorption fan 402 is specifically configured to, based on a parallel connection mode, introduce the inert gas in the inert gas tank 60 into the gas adsorption and desorption compartment 20 after adsorption to desorb the adsorbed harmful gas, and, based on a series connection mode, introduce the inert gas in the inert gas tank 60 into each gas adsorption and desorption compartment 20 after adsorption is completed to desorb the adsorbed harmful gas. The desorption efficiency of the gas can be improved by introducing the inert gas into the gas adsorption and desorption chamber 20.

Specifically, in the parallel mode, during gas desorption, the main controller 50 controls the desorption fan 402 to introduce the inert gas in the inert gas tank 60 into the gas adsorption and desorption chamber 20, so as to realize gas desorption. In the series mode, when the gas is desorbed, the main controller 50 controls the desorption fan 402 to introduce the inert gas in the inert gas tank 60 into the gas adsorption and desorption chamber 20, so as to realize the desorption of the gas. The inert gas tank 60 can store inert compressed gas such as compressed nitrogen or argon or carbon dioxide, the release ratio is automatically calculated by the main controller 50 of the emergency processing equipment during the desorption process, and the inert compressed gas is released into the gas adsorption and desorption cabin 20 through the desorption fan 402 for the safety and efficiency improvement of the desorption process.

In this embodiment, the emergency processing device further includes: an adsorption degree detector and a desorption degree detector, i.e., the above-described sensors. And the adsorption degree detector is used for detecting the gas adsorption degree of each gas adsorption and desorption cabin 20 in a parallel connection mode, and the desorption degree detector is used for detecting the gas desorption degree of each gas adsorption and desorption cabin 20 in a parallel connection mode. The adsorption fan 401 is specifically used for forming negative pressure in the gas adsorption and desorption cabin 20 when the gas desorption degree in the gas adsorption and desorption cabin 20 reaches a preset desorption threshold value in a parallel connection mode so as to perform gas adsorption, and the desorption fan 402 is specifically used for introducing gas for desorption into the gas adsorption and desorption cabin 20 so as to perform gas desorption when the gas adsorption degree in the gas adsorption and desorption cabin 20 reaches the preset adsorption threshold value in the parallel connection mode. The adsorption degree detector and the desorption degree detector may be disposed inside the gas adsorption/desorption chamber 20.

Specifically, under the parallel mode, when adsorbing desorption operation in turn, main controller 50 acquires the gas adsorption degree that the adsorption degree detector detected, and when the gas adsorption degree in certain gas adsorption desorption cabin 20 reached preset adsorption threshold, this gas adsorption desorption cabin 20 was controlled to be connected with desorption fan 402, lets in the gas that is used for the desorption to this gas adsorption desorption cabin 20 to carry out gas desorption. Main control unit 50 acquires the gaseous desorption degree that the desorption degree detector detected, and when the gaseous desorption degree in certain gas adsorption desorption cabin 20 reached preset desorption threshold value, this gas adsorption desorption cabin 20 of control was connected with adsorption fan 401, formed the negative pressure in gas adsorption desorption cabin 20 to carry out gas adsorption.

Through setting up adsorption factor detector and desorption factor detector, detection that can be accurate obtains gas adsorption degree and desorption degree, realizes the alternate operation of gas adsorption desorption under the form of connecting in parallel. The adsorption degree detector and the desorption degree detector can both comprise a weight sensor and a single chip microcomputer, the weight of the adsorbed substances in the gas adsorption and desorption cabin 20 is detected through the weight sensor, and the gas adsorption degree and the gas desorption degree are determined through the single chip microcomputer based on the weight.

As mentioned above, the gas adsorption and desorption compartment 20 further has a desorption gas outlet 305, and the main controller 50 communicates the desorption gas outlet 305 with the gas recovery device when the flow rate of the leaked harmful gas is greater than the preset flow rate threshold, so as to discharge the desorbed harmful gas to the gas recovery device. The main controller 50 is specifically configured to communicate the desorption exhaust port 305 with the gas degradation cabin 30 when the flow of the leaked harmful gas is less than or equal to a preset flow threshold, and discharge the desorbed harmful gas to the gas degradation cabin 30.

Specifically, the desorption exhaust port 305 may be provided with the above-mentioned fourth valve 304, and the main controller 50 controls the desorption exhaust port 305 to communicate with the gas recovery device or communicate with the gas degradation cabin 30 by controlling on/off of the fourth valve 304. In one embodiment, after the gas recovery device is connected to the desorption gas outlet 305, the main controller 50 opens the fourth valve 304 to communicate the desorption gas outlet 305 with the gas recovery device. In another embodiment, the main controller 50 places the gas degradation compartment 30 at a suitable position by the truck-mounted crane so that the desorption exhaust port 305 is connected to the gas degradation compartment 30, and the main controller 50 opens the fourth valve 304, thereby communicating the desorption exhaust port 305 with the gas degradation compartment 30.

Fig. 7 is a schematic structural diagram of an emergency treatment device for harmful gas leakage according to another embodiment of the present application, and as shown in fig. 7, the device further includes a gas filtration compartment 70, and the gas filtration compartment 70 is connected to the gas collection compartment 10 and the gas adsorption and desorption compartment 20, respectively, and is used for filtering gas entering the gas adsorption and desorption compartment 20 from the gas filtration compartment 70. Specifically, the gas filtering compartment 70 is connected to each gas adsorption and desorption compartment 20, respectively, for filtering the gas entering each gas adsorption and desorption compartment 20 from the gas filtering compartment 70.

Specifically, the gas filtering cabin 70 is arranged between the gas collecting cabin 10 and each gas adsorption and desorption cabin 20, a filtering device for filtering solid impurities is arranged in the gas filtering cabin 70, the filtering device can be a filtering net and the like, and can filter various solid impurities such as leaves, dust, stones and the like after gas is collected, so that the gas adsorption effect and the desorption effect are ensured.

As shown in fig. 7, the emergency treatment equipment further includes an aeration-cooling pipeline 801, one end of the aeration-cooling pipeline 801 is communicated with the adsorption fan 401, and the other end is communicated with the gas filtering cabin 70. Specifically, the adsorption fan 401 is further provided with an exhaust channel 802, the adsorption exhaust port 4001 is located on the exhaust channel 802, the emergency treatment device further comprises a ventilation and cooling pipeline 801, one end of the ventilation and cooling pipeline 801 is communicated with the exhaust channel 802, and the other end of the ventilation and cooling pipeline 801 is communicated with the gas filtration cabin 70. The aeration-cooling pipeline 801 is used for conveying the gas obtained by adsorption of the adsorption fan 401 into the gas filtration compartment 70 so as to reduce the temperature in the gas filtration compartment 70. Specifically, in the harmful gas adsorption process, the air adsorbed by the adsorption fan 401 can be introduced into the gas filtration cabin 70 through the aeration-cooling pipeline 801, so that the gas in the gas filtration cabin 70 is cooled, and a better gas adsorption and desorption effect is ensured. In fig. 7, the desorption fan 402 is not shown for the convenience of illustration.

Further, an embodiment of the present application further provides a harmful gas leakage emergency treatment vehicle group, fig. 8 is a schematic structural diagram of the harmful gas leakage emergency treatment vehicle group provided in the embodiment of the present application, and as shown in fig. 8, the vehicle group includes the above-mentioned harmful gas leakage emergency treatment device, and further includes a vehicle body 100, and the vehicle body 100 is provided with the above-mentioned harmful gas leakage emergency treatment device.

As mentioned above, the harmful gas leakage emergency treatment vehicle group in the embodiment of the application can provide corresponding treatment modes for harmful gases with different flow rates, so that the problem of harmful gas leakage under different conditions is solved.

In fig. 8, the body 100 includes a chassis truck with a chassis power take-off and a spark arrester, and the consist further includes a hydraulic drive system. The chassis power takeoff, the hydraulic driving system and the fan module 40 are connected in sequence in a transmission mode, and the chassis power takeoff drives the fan module 40 to work through the hydraulic driving system.

Particularly, the chassis vehicle is used as a loading tool of the loading equipment, can provide stable and efficient power output, and realizes quick starting, acceleration and stopping of the vehicle. This chassis car installs the spark arrester additional, can avoid gas burning and explosion risk in the regional safe operation that volatile organic gas diffuses. The chassis vehicle provides hydraulic driving force for the fan module 40 through a chassis power takeoff and a hydraulic driving system, realizes high-speed operation of a fan, and provides large flow and large wind suction. After the gas collection and adsorption are completed, the chassis vehicle can be driven to a safe area, and the degradation process of harmful gas is realized by electrifying the gas degradation cabin 30.

In other embodiments, the body 100 may also be in the form of a semi-trailer, a container skid, or the like. In other embodiments, the fan module 40 may be driven by an engine, an engine driven by a hydraulic oil pump, a direct-drive diesel engine, a diesel generator set, a storage battery, or an external power source, in addition to the chassis.

Fig. 9 is a schematic view of a hydraulic driving system of a fan module according to an embodiment of the present application, as shown in fig. 9, the hydraulic driving system includes:

a hydraulic oil tank 901 for storing hydraulic oil required by the hydraulic drive system;

an oil suction filter 902 for filtering the hydraulic oil from the hydraulic oil tank 901 to the hydraulic oil pump 905;

a ball valve 903, which is used for controlling the on-off of the hydraulic oil flowing out of the hydraulic oil tank 901;

a power source 904 for taking power from the chassis vehicle through a chassis power takeoff and driving a hydraulic oil pump 905 to operate;

a hydraulic oil pump 905 for providing power to the hydraulic drive system;

a check valve 906 for preventing the hydraulic oil in the hydraulic drive system from flowing back to the hydraulic oil pump;

a hydraulic gauge 907 for monitoring the pressure in the hydraulic drive system;

a two-position three-way valve 908 for controlling the flow direction of hydraulic oil of the hydraulic drive system;

a hydraulic motor 909 for driving the fan module 40 to operate;

a fan module 40, i.e., the fan module 40 in the above embodiments;

a radiator 910 for dissipating heat generated by hydraulic oil in the hydraulic drive system;

the oil return filter 911 is used for filtering impurities in the hydraulic oil when the hydraulic oil flows back to the mailbox;

the relief valve 912 is used to prevent the hydraulic oil pressure in the hydraulic drive system from being too high, and is used to protect and limit the pressure in the hydraulic drive system.

The specific operation process of the hydraulic drive system in fig. 9 is as follows: the power source 904 drives the hydraulic oil pump 905 to work, hydraulic oil in the hydraulic oil tank 901 flows into the hydraulic oil pump 905 through the oil absorption filter 902 and the ball valve 903, the hydraulic oil is pressurized by the hydraulic oil pump 905 and then flows through the one-way valve 906 and the two-position three-way valve 908 to drive the hydraulic motor 909 to work, and the opening and the on-off of the two-position three-way valve 908 control whether the hydraulic oil flows into the hydraulic oil tank 901 or drives the hydraulic motor 909. When the hydraulic motor 909 works, the fan module 40 is driven to work, and the hydraulic gauge 907 monitors the working pressure of the hydraulic driving system. The hydraulic oil generates heat after being processed by the hydraulic motor 909, and the hydraulic oil flows through the radiator 910, and the heat in the hydraulic oil is dissipated through the radiator 910. The hydraulic oil flows back to the hydraulic oil tank 901 after impurities in the hydraulic oil are filtered out by the oil return filter 911. When the pressure in the hydraulic drive system exceeds the set pressure value, the relief valve 912 opens to relieve the pressure higher than the set pressure value, and the hydraulic oil returns to the oil tank.

In one embodiment, the vehicle set further comprises a vehicle-mounted turntable, a gas collecting pipeline and a gas suction head, wherein the gas collecting pipeline can be wound on the vehicle-mounted turntable, one end of the gas collecting pipeline is used for being connected with a gas collecting inlet of the gas collecting cabin, and the other end of the gas collecting pipeline is used for being connected with the gas suction head.

Specifically, the gas collection line may be a bendable straw that can be wound around the vehicle-mounted turntable. The gas collection line may be connected to the gas collection inlet of the gas collection chamber 10 by a threaded interface. The number of the gas suction heads can be multiple, and the gas collecting pipeline can be connected with the plurality of suction heads. In the operation process, operating personnel takes off the gas suction head from on-vehicle carousel, along with receiving and releasing of carousel, can realize the operation application range of the big radius of gas collecting pipeline, can realize at a plurality of leak points or the inspiratory function of same leak point multiple spot through a plurality of suction heads, guarantees that the leakage gas can all be retrieved.

In a specific embodiment, the vehicle set runs to a gas leakage area to collect, adsorb and desorb organic gas, after the collection, adsorption and desorption are completed, the vehicle set runs to a safety zone, and the automatic degradation process of harmful gas is realized by supplying 380V high voltage to the gas degradation cabin 30. In the desorption process, the desorption fan 402 blows air outside the train into the gas adsorption and desorption cabin 20 to desorb the gas. The desorbed adsorption material can be recycled. The degradation process of the gas degradation cabin 30 adopts a combustion method, the degradation process lasts for several hours, and finally harmless carbon dioxide and water are discharged, so that harmless emission is realized.

To sum up, emergency treatment equipment and emergency vehicle group in this embodiment can be applied to the emergent collection and the processing of volatile organic gas leakage in fields such as oil and gas field, chemical plant, pharmaceutical factory, paint coating factory, have following beneficial effect at least:

(1) according to the vehicle-mounted integrated scheme, the vehicle group has the effects of being convenient to move and coping with the sudden leakage situation of harmful gas in time, can achieve quick arrival of various emergency environments, and is high in flexibility;

(2) harmful gas adsorption is carried out through activated carbon or zeolite, various organic gases such as hydrocarbon, benzene, alcohol, ketone, ether, ester, amine, carboxylic acid, aromatic hydrocarbon, phenols and the like can be adsorbed, and safe, reliable and efficient emergency treatment can be realized for various gas leakage working conditions;

(3) by means of combination of continuous switching of adsorption and desorption, more harmful gases can be adsorbed, large-flow and super-large-flow organic gas leakage collection and recovery can be achieved, the high-purity harmful gases obtained by desorption can be conveyed to a compression tank car for recovery treatment, and the treatment process is more environment-friendly;

(4) through the modes of multilayer adsorption and multilayer desorption, the gas adsorption desorption and degradation can be carried out under the condition of small flow, and the treatment process is safe, environment-friendly and pollution-free.

Fig. 10 is a schematic flow chart of the harmful gas emergency treatment method provided in an embodiment of the present application, and the method is applied to the above-mentioned harmful gas leakage emergency treatment device or the above-mentioned train set, and includes:

step S1002, when the flow of the leaked harmful gas is larger than a preset flow threshold value, the main controller sets at least two gas adsorption and desorption cabins to be in a parallel connection mode, sets each gas adsorption and desorption cabin to be connected with a gas collection cabin, and sets each gas adsorption and desorption cabin to be connected with a fan module;

step S1004, controlling the gas collection cabin to collect the harmful gas by the fan module based on a parallel connection mode, controlling at least two gas adsorption and desorption cabins to alternately adsorb and desorb the harmful gas, and discharging the gas obtained by desorption to gas recovery equipment;

step S1006, when the flow of the leaked harmful gas is less than or equal to a preset flow threshold value, the main controller sets at least two gas adsorption and desorption cabins to be in a serial connection mode, sets a first gas adsorption and desorption cabin on a serial link to be connected with a gas collection cabin, sets a last gas adsorption and desorption cabin on the serial link to be connected with a fan module, and sets each gas adsorption and desorption cabin to be connected with a gas degradation cabin;

step S1008, the fan module controls the gas collection cabin to collect the harmful gas based on a serial connection mode, controls the at least two gas adsorption and desorption cabins to adsorb the harmful gas in sequence and desorb the gas after the adsorption is completed in sequence, and discharges the gas obtained by desorption to the gas degradation cabin for degradation.

Optionally, the fan module includes an adsorption fan and a desorption fan. The fan module is based on parallelly connected form, and two at least gas adsorption desorption cabins of control are adsorbed and are desorbed harmful gas in turn, include: the adsorption fans are connected in parallel, negative pressure is formed in the desorbed gas adsorption and desorption cabins in the at least two gas adsorption and desorption cabins, and the desorbed gas adsorption and desorption cabins are controlled to adsorb harmful gas; the desorption fans are connected in parallel, and gas for desorption is introduced into the gas adsorption and desorption cabins after adsorption in the at least two gas adsorption and desorption cabins so as to control the gas adsorption and desorption cabins after adsorption to desorb harmful gas.

Optionally, the fan module includes an adsorption fan and a desorption fan. The fan module is based on the form of establishing ties, and control two at least gas absorption desorption cabins and adsorb harmful gas in order and carry out gas desorption in order after adsorbing the completion, include: the adsorption fans are connected in series, negative pressure is formed in each gas adsorption and desorption cabin, and therefore each gas adsorption and desorption cabin is controlled to adsorb harmful gas in sequence; the desorption fan is based on the series connection form, and the gas for desorption is introduced into each gas adsorption and desorption cabin after the adsorption is completed so as to control each gas adsorption and desorption cabin to desorb the harmful gas in sequence.

Optionally, the gas adsorption and desorption cabin is provided with a first valve for controlling the communication relationship between the two gas adsorption and desorption cabins, a second valve for controlling the communication relationship between the gas adsorption and desorption cabins and a third valve for controlling the communication relationship between the gas adsorption and desorption cabins and the desorption fan; when the flow of the harmful gas who reveals is greater than preset flow threshold value, main controller sets up two at least gas adsorption desorption cabins into parallelly connected form, include: when the flow of the leaked harmful gas is larger than a preset flow threshold value, the main controller closes the first valve of each gas adsorption and desorption cabin, controls the on-off of the second valve and the third valve of each gas adsorption and desorption cabin, so that the gas adsorption and desorption cabins after desorption are connected with the adsorption fan for gas adsorption, and the gas adsorption and desorption cabins after adsorption are connected with the desorption fan for gas desorption.

Optionally, the gas adsorption and desorption cabin is provided with a first valve for controlling the communication relationship between the two gas adsorption and desorption cabins, a second valve for controlling the communication relationship between the gas adsorption and desorption cabins and a third valve for controlling the communication relationship between the gas adsorption and desorption cabins and the desorption fan; when the main control unit presets the flow threshold at the flow less than or equal to of the harmful gas who reveals, will two at least gas adsorption desorption cabins set up to the series connection form, include: when the flow of the leaked harmful gas is smaller than or equal to the preset flow threshold value, the main controller opens the first valve of each gas adsorption and desorption cabin, controls the on-off of the second valve and the third valve of the last gas adsorption and desorption cabin on the serial connection, so that at least two gas adsorption and desorption cabins are connected with the adsorption fan to be adsorbed, and the adsorption fan is connected with the desorption fan to be desorbed after the adsorption is completed.

Optionally, the apparatus further comprises an inert gas tank for containing an inert gas; the method further comprises the following steps: the main controller is provided with a desorption fan connected with the inert gas tank.

Optionally, the desorption fan lets in the gas that is used for the desorption to the gas adsorption desorption cabin after the absorption in at least two gas adsorption desorption cabins based on parallelly connected form to the gas adsorption desorption cabin after the control absorption carries out the desorption to harmful gas, includes: the desorption fans are connected in parallel, and the inert gas in the inert gas tank is introduced into the gas adsorption and desorption cabin after adsorption so as to desorb the adsorbed harmful gas.

Optionally, desorption fan lets in the gas that is used for the desorption in every gaseous absorption desorption cabin after absorption is accomplished based on the series connection form to control every gaseous absorption desorption cabin and carry out the desorption to harmful gas in order, include: the desorption fan is based on the series connection form, and the inert gas in the inert gas tank is introduced into each gas adsorption and desorption cabin after the adsorption is completed so as to desorb the adsorbed harmful gas.

Optionally, the apparatus further comprises a degree of adsorption detector and a degree of desorption detector. The method further comprises the following steps: the adsorption degree detector is used for detecting the gas adsorption degree of each gas adsorption and desorption cabin in a parallel connection mode; and the desorption degree detector is used for detecting the gas desorption degree of each gas adsorption and desorption cabin in a parallel connection mode.

Optionally, the adsorption fan is based on parallelly connected form, and the gaseous desorption under-deck formation negative pressure that adsorbs after the desorption in at least two gaseous absorption desorption cabins to the gaseous absorption desorption cabin of control after desorption adsorbs harmful gas, includes: the adsorption fans are connected in parallel, and when the gas desorption degree in the gas adsorption and desorption cabin reaches a preset desorption threshold value, negative pressure is formed in the gas adsorption and desorption cabin so as to adsorb gas.

Optionally, the desorption fan lets in the gas that is used for the desorption to the gas adsorption desorption cabin after the absorption in at least two gas adsorption desorption cabins based on parallelly connected form to the gas adsorption desorption cabin after the control absorption carries out the desorption to harmful gas, includes: the desorption fans are connected in parallel, and when the gas adsorption degree in the gas adsorption and desorption cabin reaches a preset adsorption threshold value, gas for desorption is introduced into the gas adsorption and desorption cabin so as to carry out gas desorption.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In the description of the embodiments of the present invention, the terms "first", "second", "third", and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship that is based on the orientation or positional relationship shown in the drawings, or that is customarily placed during use of the example products, for convenience in describing the example embodiments and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting with respect to the example embodiments.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An emergency processing apparatus for a harmful gas leakage, characterized by comprising: the device comprises a gas collection cabin, at least two gas adsorption and desorption cabins, a gas degradation cabin, a fan module and a main controller;

2. The apparatus of claim 1, wherein the fan module comprises an adsorption fan and a desorption fan;

the adsorption fan is used for forming negative pressure in the desorbed gas adsorption and desorption cabin in the at least two gas adsorption and desorption cabins based on the parallel connection mode so as to control the desorbed gas adsorption and desorption cabins to adsorb harmful gas; the desorption fan is used for introducing desorbed gas into the adsorbed gas adsorption and desorption cabin in the at least two gas adsorption and desorption cabins based on the parallel connection mode so as to control the adsorbed gas adsorption and desorption cabin to desorb harmful gas;

the adsorption fan is also used for forming negative pressure in each gas adsorption and desorption cabin based on the serial connection mode so as to control each gas adsorption and desorption cabin to adsorb harmful gas in sequence; the desorption fan is used for introducing the gas for desorption into the gas adsorption and desorption cabin based on the serial connection mode after the adsorption is completed so as to control each gas adsorption and desorption cabin to desorb the harmful gas in sequence.

3. The apparatus of claim 2, wherein the gas adsorption and desorption chambers have a first valve for controlling communication between the two gas adsorption and desorption chambers, a second valve for controlling communication with the adsorption fan, and a third valve for controlling communication with the desorption fan;

the main controller is specifically configured to close the first valve of each gas adsorption and desorption cabin when the flow of the leaked harmful gas is greater than the preset flow threshold, and control on/off of the second valve and the third valve of each gas adsorption and desorption cabin, so that the desorbed gas adsorption and desorption cabin is connected with the adsorption fan for gas adsorption, and the adsorbed gas adsorption and desorption cabin is connected with the desorption fan for gas desorption;

the main controller is specifically used for opening each of the first valves of the gas adsorption and desorption cabins when the flow of the leaked harmful gas is smaller than or equal to the preset flow threshold value, controlling the last valve on the series connection path to connect the second valve with the third valve to enable the at least two gas adsorption and desorption cabins to be connected with the adsorption fan for adsorption, and after adsorption is completed, the desorption fan is connected for desorption.

4. The apparatus of claim 2, further comprising an inert gas tank for containing an inert gas;

the main controller is also used for arranging the desorption fan to be connected with the inert gas tank;

the desorption fan is specifically used for introducing the inert gas in the inert gas tank into the gas adsorption and desorption cabin after adsorption based on the parallel connection mode so as to desorb the adsorbed harmful gas, and for introducing the inert gas in the inert gas tank into each gas adsorption and desorption cabin after adsorption based on the serial connection mode so as to desorb the adsorbed harmful gas.

5. The apparatus of claim 2, further comprising a degree of adsorption detector and a degree of desorption detector;

the adsorption degree detector is used for detecting the gas adsorption degree of each gas adsorption and desorption cabin in the parallel connection mode; the desorption degree detector is used for detecting the gas desorption degree of each gas adsorption and desorption cabin in the parallel connection mode;

the adsorption fan is specifically used for forming negative pressure in the gas adsorption and desorption cabin when the gas desorption degree in the gas adsorption and desorption cabin reaches a preset desorption threshold value in the parallel connection mode so as to perform gas adsorption;

the desorption fan is specifically used for in the parallel connection mode, when the gas adsorption degree in the gas adsorption and desorption cabin reaches a preset adsorption threshold value, the gas used for desorption is introduced into the gas adsorption and desorption cabin so as to perform gas desorption.

6. The apparatus of claim 1, wherein the gas adsorption and desorption chamber further has a desorption gas outlet;

the main controller is used for communicating the desorption exhaust port with the gas recovery equipment when the flow of the leaked harmful gas is greater than the preset flow threshold value;

the main controller is specifically used for communicating the desorption exhaust port with the gas degradation cabin when the flow of the leaked harmful gas is smaller than or equal to the preset flow threshold value.

7. The apparatus of claim 2,

the apparatus further comprises a gas filtration capsule; the gas filtering cabin is respectively connected with the gas collecting cabin and the gas adsorption and desorption cabin and is used for filtering the gas entering the gas adsorption and desorption cabin from the gas filtering cabin.

8. The apparatus of claim 7, further comprising an aeration cooling line; one end of the ventilation cooling pipeline is communicated with the adsorption fan, and the other end of the ventilation cooling pipeline is communicated with the gas filtering cabin; and the ventilation cooling pipeline is used for conveying the gas obtained by adsorption of the adsorption fan to the gas filtering cabin so as to reduce the temperature in the gas filtering cabin.

9. A hazardous gas leakage emergency treatment vehicle consist, said vehicle consist comprising:

a vehicle body and a harmful gas leakage emergency treatment apparatus according to any one of claims 1 to 8;

10. A harmful gas emergency treatment method applied to a harmful gas leakage emergency treatment apparatus according to any one of claims 1 to 8 or a vehicle consist according to claim 9, the method comprising: