CN219102716U

CN219102716U - Gas circuit control panel of tail gas washing tower

Info

Publication number: CN219102716U
Application number: CN202223484643.7U
Authority: CN
Inventors: 袁立建; 袁铮; 缪雨彬
Original assignee: Zhenjiang Yuanjing Electronic Technology Co ltd
Current assignee: Zhenjiang Yuanjing Electronic Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-30
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a gas circuit control panel of a tail gas washing tower, which comprises a panel, wherein a CDA pipeline, a GN2-A pipeline and a GN2-B pipeline are arranged on the panel; the CDA pipeline is provided with a CDA air inlet end and a CDA air outlet end, the CDA air outlet end of the CDA pipeline is provided with a group of air source branches and a group of heat dissipation branches, the air source branches are used as air cylinder air sources of the tail gas air inlets of the washing towers, and the heat dissipation branches are used for heat dissipation of tail gas control cabinets of the washing towers. The utility model integrates a GN2-A pipeline and a GN2-B pipeline on the surface of the plate, connects nitrogen with the GN2-A pipeline and the GN2-B pipeline, opens a manual valve MV-B and a manual valve MV-C, rotates a pressure regulating valve REG-B and a pressure regulating valve REG-C, regulates air pressure, regulates air flow through rotating the manual valve MV-B1 and the manual valve MV-C1 when nitrogen enters a branch, sweeps the inlet and the outlet of a washing tower, can accurately regulate the air pressure and the air flow, and avoids overpressure and overflow.

Description

Gas circuit control panel of tail gas washing tower

Technical Field

The utility model relates to a gas path control panel of a tail gas washing tower.

Background

The tail gas washing tower is gas purifying treatment equipment, is produced by improvement on the basis of a floatable filler layer gas purifier, is widely applied to pretreatment in the aspects of industrial tail gas purification, dust removal and the like, and has a better purifying effect;

the inlet and outlet gas purging configuration of the tail gas washing tower is incomplete, the existing purging mode is used for purging the inlet of the tail gas washing tower by connecting a purging gas pipe with a gas source, and the outlet is generally lack of nitrogen protection purging; moreover, the cylinder of the tail gas washing tower is generally in a manual dredging mode, and is lack of automatic and timing dredging functions, and meanwhile, most of the cylinder is directly connected with an air source through a pipeline, so that the air pressure cannot be regulated or the air flow cannot be regulated, risks such as overpressure and overflow exist, and therefore, an air path control panel of the tail gas washing tower is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a gas path control panel of a tail gas washing tower, which aims to solve the problem that the existing purging mode provided in the background art purges the inlet and the outlet of the tail gas washing tower through a purging gas pipe connected with a gas source, and particularly, when unexpected power failure and shutdown occur, the outlet nitrogen automatically starts to purge a protection function, so that the safety is improved. And the stay position detection and automatic timing dredging control mode of the cylinder of the tail gas washing tower is configured, the pressure regulating valve, the multi-branch control valve and the flowmeter are configured, and the problems that the risks such as overpressure and overflow exist due to incapability of regulating the air pressure or the air flow are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the gas path control panel of the tail gas washing tower comprises a panel, wherein a CDA pipeline, a GN2-A pipeline and a GN2-B pipeline are arranged on the panel;

the CDA pipeline is provided with a CDA air inlet end and a CDA air outlet end, the CDA air outlet end of the CDA pipeline is provided with a group of air source branches and a group of heat dissipation branches, the air source branches are used as air cylinder air sources of a tail gas air inlet of the washing tower, and the heat dissipation branches are used for heat dissipation of a tail gas control cabinet of the washing tower;

the GN2-A pipeline is provided with a GN2-A air inlet end and a GN2-A air outlet end, the GN2-A air outlet end of the GN2-A pipeline is provided with a group of outlet purging branches, and the outlet purging branches are used as a purging air source at the outlet of the washing tower;

the GN2-B pipeline is provided with a GN2-B air inlet end and a GN2-B air outlet end, the GN2-B air outlet end of the GN2-B pipeline is provided with a group of inlet purging branches, and the inlet purging branches are used as a purging air source at the inlet of the washing tower.

Further, the CDA air inlet end of the CDA pipeline is used for connecting dry compressed air, and the GN2-A air inlet end of the GN2-A pipeline and the GN2-B air inlet end of the GN2-B pipeline are both used for connecting nitrogen.

Ext>ext> furtherext>ext>,ext>ext> Sup>Aext>ext> manualext>ext> valveext>ext> MVext>ext> -ext>ext> Aext>ext>,ext>ext> Sup>Aext>ext> pressureext>ext> regulatingext>ext> valveext>ext> REGext>ext> -ext>ext> Aext>ext> andext>ext> Sup>Aext>ext> pressureext>ext> gaugeext>ext> PGext>ext> -ext>ext> Aext>ext> areext>ext> sequentiallyext>ext> connectedext>ext> toext>ext> Sup>Aext>ext> pipeext>ext> bodyext>ext>,ext>ext> whichext>ext> isext>ext> positionedext>ext> nearext>ext> theext>ext> CDAext>ext> airext>ext> inletext>ext> endext>ext>,ext>ext> ofext>ext> theext>ext> CDAext>ext> pipelineext>ext> alongext>ext> theext>ext> airext>ext> inletext>ext> directionext>ext>,ext>ext> Sup>Aext>ext> manualext>ext> valveext>ext> MVext>ext> -ext>ext> Aext>ext> 1ext>ext> isext>ext> connectedext>ext> toext>ext> anext>ext> airext>ext> sourceext>ext> branchext>ext> ofext>ext> theext>ext> CDAext>ext> pipelineext>ext>,ext>ext> andext>ext> Sup>Aext>ext> manualext>ext> valveext>ext> MVext>ext> -ext>ext> Aext>ext> 2ext>ext> isext>ext> connectedext>ext> toext>ext> theext>ext> tailext>ext> endext>ext> ofext>ext> theext>ext> heatext>ext> dissipationext>ext> branchext>ext>.ext>ext>

Further, the air source branch and the heat dissipation branch are both provided with 4 branch pipelines, and the air source branch and the heat dissipation branch are both in air transmission through connecting a 6mm hose.

further,theGN2-ApipelineispositionedonSup>ApipebodyclosetotheairinletendoftheGN2-AandissequentiallyconnectedwithSup>AmanualvalveMV-B,Sup>ApressureregulatingvalveREG-BandSup>ApressuregaugePG-Balongtheairinletdirection,andanoutletsweepingbranchoftheGN2-ApipelineissequentiallyconnectedwithSup>AmanualvalveMV-B1,Sup>Aone-wayvalveCV-AandSup>AgasflowmeterFM-Aalongtheairoutletdirection.

Further, 4 branch pipelines are arranged on the outlet purging branch of the GN2-A pipeline, and the outlet purging branch is connected with a 6mm hose for gas transmission.

Further, the GN2-B pipeline is positioned on a pipe body close to the air inlet end of the GN2-B pipeline and is sequentially connected with a manual valve MV-C, a pressure regulating valve REG-C and a pressure gauge PG-C along the air inlet direction, and an inlet purging branch of the GN2-B pipeline is sequentially connected with a manual valve MV-C1, a one-way valve CV-B and a gas flowmeter FM-B along the air outlet direction.

Further, 5 branch pipelines are arranged on the inlet purging branch of the GN2-B pipeline, a pipeline joint is arranged at the tail end of the inlet purging branch, and the pipeline joint is connected with a gas pipeline for gas transmission.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model integrates a GN2-A pipeline and a GN2-B pipeline on the surface of the plate, connects nitrogen with the GN2-A pipeline and the GN2-B pipeline, opens a manual valve MV-B and a manual valve MV-C, rotates a pressure regulating valve REG-B and a pressure regulating valve REG-C, regulates air pressure, regulates air flow through rotating the manual valve MV-B1 and the manual valve MV-C1 when nitrogen enters a branch, sweeps the inlet and the outlet of a washing tower, can accurately regulate the air pressure and the air flow, and avoids overpressure and overflow;

2. ext> theext> CDAext> pipelineext> isext> integratedext> onext> theext> diskext> surfaceext>,ext> dryext> compressedext> airext> isext> connectedext> withext> theext> CDAext> pipelineext>,ext> Sup>Aext> manualext> valveext> MVext> -ext> Aext> isext> openedext>,ext> Sup>Aext> pressureext> regulatingext> valveext> REGext> -ext> Aext> isext> rotatedext>,ext> theext> airext> pressureext> ofext> anext> airext> sourceext> branchext> andext> Sup>Aext> heatext> dissipationext> branchext> canext> beext> regulatedext> toext> avoidext> overpressureext>,ext> andext> theext> manualext> valveext> MVext> -ext> Aext> 1ext> andext> theext> manualext> valveext> MVext> -ext> Aext> 2ext> areext> respectivelyext> openedext>,ext> soext> thatext> theext> regulatedext> airext> sourceext> isext> introducedext> intoext> anext> airext> cylinderext> toext> beext> usedext> asext> anext> airext> sourceext>,ext> andext> theext> airext> sourceext> canext> beext> furtherext> usedext> forext> heatext> dissipationext> ofext> Sup>Aext> controlext> cabinetext> ofext> Sup>Aext> washingext> towerext>.ext>

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a flow chart of the present utility model.

In the figure: 1. a disk surface;

2. a CDA pipeline; 21. a CDA air inlet end; 22. a CDA gas outlet end; 23. an air source branch; 231. manual valve MV-A1; 24. a heat dissipation branch; 241. manual valve MV-A2; 25. Sup>A manual valve MV-A; 26. ext> aext> pressureext> regulatingext> valveext> REGext> -ext> Aext>;ext> 27. Ext> aext> pressureext> gaugeext> PGext> -ext> Aext>;ext>

3. GN2-A pipeline; 31. the GN2-A air inlet end; 32. the GN2-A gas outlet end; 33. an outlet purge branch; 331. manual valve MV-B1; 332. Sup>A check valve CV-A; 333. agasflowmeterFM-A; 34. a manual valve MV-B; 35. a pressure regulating valve REG-B; 36. a pressure gauge PG-B;

4. GN2-B piping; 41. the GN2-B air inlet end; 42. the GN2-B gas outlet end; 43. an inlet purge branch; 431. manual valve MV-C1; 432. a check valve CV-B; 433. a gas flow meter FM-B; 44. a manual valve MV-C; 45. a pressure regulating valve REG-C; 46. pressure gauge PG-C.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a gas circuit control panel of a tail gas scrubber comprises a panel 1, wherein a CDA pipeline 2, a GN2-a pipeline 3 and a GN2-B pipeline 4 are arranged on the panel 1;

the CDA pipeline 2 is provided with a CDA air inlet end 21 and a CDA air outlet end 22, the CDA air outlet end 22 of the CDA pipeline 2 is provided with a group of air source branches 23 and a group of heat dissipation branches 24, the air source branches 23 are used as air cylinder air sources of the tail gas air inlet of the washing tower, and the heat dissipation branches 24 are used for heat dissipation of the tail gas control cabinet of the washing tower;

the GN2-A pipeline 3 is provided with a GN2-A air inlet end 31 and a GN2-A air outlet end 32, the GN2-A air outlet end 32 of the GN2-A pipeline 3 is provided with a group of outlet purging branches 33, and the outlet purging branches 33 are used as a purging air source at the outlet of the washing tower;

the GN2-B pipeline 4 is provided with a GN2-B air inlet end 41 and a GN2-B air outlet end 42, and the GN2-B air outlet end 42 of the GN2-B pipeline 4 is provided with a group of inlet purge branches 43, wherein the inlet purge branches 43 serve as a purge gas source for the inlet of the washing tower.

In this embodiment, the CDA inlet port 21 of the CDA line 2 is used to conduct dry compressed air, and the GN2-A inlet port 31 of the GN2-A line 3 and the GN2-B inlet port 41 of the GN2-B line 4 are both used to conduct nitrogen.

In this embodiment, the CDA pipeline 2 is located on a pipe body near the CDA air inlet end 21, and is sequentially connected with a manual valve MV-a25, a pressure regulating valve REG-a26 and a pressure gauge PG-a27 along the air inlet direction, the air source branch 23 of the CDA pipeline 2 is connected with manual valves MV-A1 and 231, the tail end of the heat dissipation branch 24 is connected with manual valves MV-A2 and 241, wherein the pressure regulating valve REG-a26 is used for measuring the air pressure value of the CDA pipeline 2, the air pressure of the CDA pipeline 2 can be accurately regulated, and the measuring range of the pressure regulating valve REG-a26 is-30-160 PSI.

In this embodiment, the air source branch 23 and the heat dissipation branch 24 are both provided with 4 branch pipes, and the air source branch 23 and the heat dissipation branch 24 are both in air transmission by connecting with a 6mm hose.

In this embodiment, the GN2-a pipeline 3 is located on a pipe body near the GN2-a air inlet end 31, and is sequentially connected with a manual valve MV-B34, a pressure regulating valve REG-B35 and a pressure gauge PG-B36 along the air inlet direction, and an outlet purge branch 33 of the GN2-a pipeline 3 is sequentially connected with a manual valve MV-B1331, a check valve CV-a332 and a gas flowmeter FM-a333 along the air outlet direction, wherein the pressure regulating valve REG-B35 is used for measuring the air pressure value of the GN2-a pipeline 3, the air pressure of the GN2-a pipeline 3 can be accurately regulated, the measuring range of the pressure regulating valve REG-B35 is-30-160 PSI, the check valve CV-a332 is used for preventing the air from flowing back, the tail gas is prevented from entering the pollution pipeline, the gas flowmeter FM-a333 is used for measuring the air flow of the GN2-a pipeline 3, and the gas flowmeter FM-a333 can be accurately regulated, and the measuring range of the GN2-a pipeline 3 is 7-70 m.

In this embodiment, the outlet purge branch 33 of the GN2-a pipeline 3 is provided with 4 branch pipelines, and the outlet purge branch 33 carries out gas transmission by connecting a 6mm hose.

In this embodiment, the GN2-B pipeline 4 is located on the pipe body near the GN2-B air inlet end 41, and is sequentially connected with a manual valve MV-C44, a pressure regulating valve REG-C45 and a pressure gauge PG-C46 along the air inlet direction, the inlet purge branch 43 of the GN2-B pipeline 4 is sequentially connected with a manual valve MV-C1431, a check valve CV-B432 and a gas flowmeter FM-B433 along the air outlet direction, wherein the pressure regulating valve REG-C45 is used for measuring the air pressure value of the GN2-B pipeline 4, the air pressure of the pressure regulating valve REG-C4 can be accurately regulated, the measuring range of the pressure regulating valve REG-C45 is-30-160 PSI, the check valve CV-B432 is used for preventing the air from flowing back, the tail gas is prevented from entering the pollution pipeline, the gas flowmeter FM-B433 is used for measuring the gas flow of the GN2-B pipeline 4, and the gas flow of the GN2-B pipeline 4 can be accurately regulated, and the measuring range of the gas flowmeter FM-B433 is 3-30 SLPM.

In this embodiment, 5 branch pipes are provided in the inlet purge branch 43 of the GN2-B pipe 4, and a pipe joint is provided at the end of the inlet purge branch 43, and the pipe joint is connected to a gas pipe for gas transmission.

Ext>ext> whenext>ext> theext>ext> utility modelext>ext> isext>ext> specificallyext>ext> usedext>ext>,ext>ext> 1ext>ext>,ext>ext> firstlyext>ext>,ext>ext> theext>ext> onext>ext> -ext>ext> siteext>ext> installationext>ext> isext>ext> determinedext>ext>,ext>ext> allext>ext> pipelinesext>ext> areext>ext> firmlyext>ext> andext>ext> reliablyext>ext> connectedext>ext>,ext>ext> ifext>ext> residualext>ext> gasext>ext> isext>ext> leftext>ext> inext>ext> allext>ext> pipelinesext>ext> andext>ext> branchesext>ext>,ext>ext> theext>ext> pipelinesext>ext> andext>ext> branchesext>ext> areext>ext> determinedext>ext> toext>ext> beext>ext> cleanext>ext>,ext>ext> ifext>ext> theext>ext> residualext>ext> gasext>ext> isext>ext> leftext>ext>,ext>ext> theext>ext> pipelinesext>ext> andext>ext> branchesext>ext> areext>ext> dischargedext>ext> untilext>ext> theext>ext> readingsext>ext> ofext>ext> theext>ext> pressureext>ext> gaugeext>ext> PGext>ext> -ext>ext> Aext>ext>,ext>ext> theext>ext> pressureext>ext> gaugeext>ext> PGext>ext> -ext>ext> Bext>ext> andext>ext> theext>ext> pressureext>ext> gaugeext>ext> PGext>ext> -ext>ext> Cext>ext> areext>ext> zeroext>ext>,ext>ext> theext>ext> regulatingext>ext> handlesext>ext> ofext>ext> theext>ext> pressureext>ext> regulatingext>ext> valveext>ext> REGext>ext> -ext>ext> Aext>ext>,ext>ext> theext>ext> pressureext>ext> regulatingext>ext> valveext>ext> REGext>ext> -ext>ext> Bext>ext> andext>ext> theext>ext> pressureext>ext> regulatingext>ext> valveext>ext> REGext>ext> -ext>ext> Cext>ext> areext>ext> sequentiallyext>ext> rotatedext>ext> anticlockwiseext>ext> toext>ext> theext>ext> bottomext>ext>,ext>ext> theext>ext> regulatingext>ext> handlesext>ext> areext>ext> closedext>ext>,ext>ext> andext>ext> thenext>ext> allext>ext> manualext>ext> valvesext>ext> onext>ext> theext>ext> discext>ext> surfaceext>ext> areext>ext> closedext>ext> andext>ext> confirmedext>ext>;ext>ext>

2. The dry compressed air is communicated with Sup>A CDA pipeline, nitrogen is communicated with Sup>A GN2-A pipeline and Sup>A GN2-B pipeline, sup>A manual valve MV-A, sup>A manual valve MV-B and Sup>A manual valve MV-C are respectively opened, and the required air pressure and air flow parameters are adjusted according to specific site conditions, wherein the specific examples are as follows:

a. ext>ext> theext>ext> regulatingext>ext> handleext>ext> ofext>ext> theext>ext> pressureext>ext> regulatingext>ext> valveext>ext> REGext>ext> -ext>ext> Aext>ext> isext>ext> rotatedext>ext> clockwiseext>ext>,ext>ext> theext>ext> readingext>ext> ofext>ext> theext>ext> pressureext>ext> gaugeext>ext> PGext>ext> -ext>ext> Aext>ext> isext>ext> observedext>ext>,ext>ext> theext>ext> rotationext>ext> ofext>ext> theext>ext> regulatingext>ext> handleext>ext> isext>ext> stoppedext>ext> whenext>ext> theext>ext> readingext>ext> valueext>ext> reachesext>ext> 60ext>ext> -ext>ext> 70ext>ext> PSIext>ext>,ext>ext> andext>ext> theext>ext> manualext>ext> valveext>ext> MVext>ext> -ext>ext> Aext>ext> 1ext>ext> andext>ext> theext>ext> manualext>ext> valveext>ext> MVext>ext> -ext>ext> Aext>ext> 2ext>ext> areext>ext> sequentiallyext>ext> openedext>ext> andext>ext> usedext>ext> asext>ext> anext>ext> airext>ext> sourceext>ext> ofext>ext> anext>ext> airext>ext> cylinderext>ext> andext>ext> aext>ext> controlext>ext> cabinetext>ext> forext>ext> heatext>ext> dissipationext>ext>;ext>ext>

b. turningtheregulatinghandleofthepressureregulatingvalveREG-Bclockwise,observingthereadingofthepressuregaugePG-B,stoppingturningtheregulatinghandlewhenthereadingvaluereaches50PSI,andturningthemanualvalveMV-B1toopen,soastoregulatetheflowofthegasflowmeterFM-Ato50LPMforpurgingtheoutletofthewashingtower;

c. turning the regulating handle of the pressure regulating valve REG-C clockwise, observing the reading of the pressure gauge PG-C, stopping turning the regulating handle when the reading value reaches 50PSI, and turning the manual valve MV-C1 to open, so as to regulate the flow of the gas flowmeter FM-B to be 12LPM for purging the inlet of the washing tower;

3. after the setting, the warning is marked, and the warning board and the working state indication board of each valve are hung, so that misoperation of other people is prevented.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a gas circuit control panel of tail gas scrubbing tower which characterized in that: comprises a disk surface (1), wherein a CDA pipeline (2), a GN2-A pipeline (3) and a GN2-B pipeline (4) are arranged on the disk surface (1);

the CDA pipeline (2) is provided with a CDA air inlet end (21) and a CDA air outlet end (22), the CDA air outlet end (22) of the CDA pipeline (2) is provided with a group of air source branches (23) and a group of heat dissipation branches (24), the air source branches (23) are used as air cylinder air sources of a washing tower tail gas air inlet, and the heat dissipation branches (24) are used for heat dissipation of a washing tower tail gas control cabinet;

the GN2-A pipeline (3) is provided with a GN2-A air inlet end (31) and a GN2-A air outlet end (32), the GN2-A air outlet end (32) of the GN2-A pipeline (3) is provided with a group of outlet purging branches (33), and the outlet purging branches (33) are used as a purging air source at the outlet of the washing tower;

the GN2-B pipeline (4) is provided with a GN2-B air inlet end (41) and a GN2-B air outlet end (42), the GN2-B air outlet end (42) of the GN2-B pipeline (4) is provided with a group of inlet purging branches (43), and the inlet purging branches (43) are used as a purging air source for the inlet of the washing tower.

2. The gas circuit control panel of an exhaust scrubber as claimed in claim 1, wherein: the CDA air inlet end (21) of the CDA pipeline (2) is used for connecting dry compressed air, and the GN2-A air inlet end (31) of the GN2-A pipeline (3) and the GN2-B air inlet end (41) of the GN2-B pipeline (4) are both used for connecting nitrogen.

3. The gas circuit control panel of an exhaust scrubber as claimed in claim 2, wherein: ext>ext> theext>ext> CDAext>ext> pipelineext>ext> (ext>ext> 2ext>ext>)ext>ext> isext>ext> locatedext>ext> onext>ext> Sup>Aext>ext> pipeext>ext> bodyext>ext> closeext>ext> toext>ext> Sup>Aext>ext> CDAext>ext> airext>ext> inletext>ext> endext>ext> (ext>ext> 21ext>ext>)ext>ext> andext>ext> sequentiallyext>ext> connectedext>ext> withext>ext> Sup>Aext>ext> manualext>ext> valveext>ext> MVext>ext> -ext>ext> Aext>ext> (ext>ext> 25ext>ext>)ext>ext>,ext>ext> Sup>Aext>ext> pressureext>ext> regulatingext>ext> valveext>ext> REGext>ext> -ext>ext> Aext>ext> (ext>ext> 26ext>ext>)ext>ext> andext>ext> Sup>Aext>ext> pressureext>ext> gaugeext>ext> PGext>ext> -ext>ext> Aext>ext> (ext>ext> 27ext>ext>)ext>ext> alongext>ext> anext>ext> airext>ext> inletext>ext> directionext>ext>,ext>ext> anext>ext> airext>ext> sourceext>ext> branchext>ext> (ext>ext> 23ext>ext>)ext>ext> ofext>ext> theext>ext> CDAext>ext> pipelineext>ext> (ext>ext> 2ext>ext>)ext>ext> isext>ext> connectedext>ext> withext>ext> theext>ext> manualext>ext> valveext>ext> MVext>ext> -ext>ext> Aext>ext> 1ext>ext> (ext>ext> 231ext>ext>)ext>ext>,ext>ext> andext>ext> theext>ext> tailext>ext> endext>ext> ofext>ext> Sup>Aext>ext> heatext>ext> dissipationext>ext> branchext>ext> (ext>ext> 24ext>ext>)ext>ext> isext>ext> connectedext>ext> withext>ext> theext>ext> manualext>ext> valveext>ext> MVext>ext> -ext>ext> Aext>ext> 2ext>ext> (ext>ext> 241ext>ext>)ext>ext>.ext>ext>

4. A gas circuit control panel for an exhaust scrubber as claimed in claim 3, wherein: the air source branch (23) and the heat dissipation branch (24) are respectively provided with 4 branch pipelines, and the air source branch (23) and the heat dissipation branch (24) are respectively connected with a 6mm hose for air transmission.

5. The gas circuit control panel of an exhaust scrubber as claimed in claim 2, wherein: theGN2-Apipeline(3)ispositionedonSup>Apipelinebodyclosetoaninletend(31)oftheGN2-ApipelineandissequentiallyconnectedwithSup>AmanualvalveMV-B(34),Sup>ApressureregulatingvalveREG-B(35)andSup>ApressuregaugePG-B(36)alonganinletdirection,andanoutletpurgingbranch(33)oftheGN2-Apipeline(3)issequentiallyconnectedwithSup>AmanualvalveMV-B1(331),Sup>Aone-wayvalveCV-A(332)andSup>AgasflowmeterFM-A(333)alonganoutletdirection.

6. The gas circuit control panel of an exhaust scrubber of claim 5, wherein: the outlet purging branch (33) of the GN2-A pipeline (3) is provided with 4 branch pipelines, and the outlet purging branch (33) is connected with a 6mm hose for gas transmission.

7. The gas circuit control panel of an exhaust scrubber as claimed in claim 2, wherein: the GN2-B pipeline (4) is positioned on a pipeline body close to an inlet end (41) of the GN2-B pipeline and is sequentially connected with a manual valve MV-C (44), a pressure regulating valve REG-C (45) and a pressure gauge PG-C (46) along an inlet direction, and an inlet purging branch (43) of the GN2-B pipeline (4) is sequentially connected with a manual valve MV-C1 (431), a one-way valve CV-B (432) and a gas flowmeter FM-B (433) along an outlet direction.

8. The gas circuit control panel of an exhaust scrubber as defined in claim 7, wherein: the inlet purging branch (43) of the GN2-B pipeline (4) is provided with 5 branch pipelines, and the tail end of the inlet purging branch (43) is provided with a pipeline joint which is connected with a gas pipeline for gas transmission.