CN221085121U - Overpressure safety monitoring device for air inlet and outlet of activated carbon box - Google Patents

Abstract

The application discloses an active carbon box air inlet and outlet overpressure safety monitoring device, which belongs to the technical field of waste gas treatment equipment and comprises a box body, an air inlet pipe and an air outlet pipe, wherein a first monitoring device is arranged between an air inlet of the box body and the air inlet pipe, and a second monitoring device is arranged between an air outlet of the box body and the air outlet pipe; the first monitoring device comprises a shell and a communicating pipe, an electric valve and a controller are arranged in the shell, and an air pressure sensor is arranged in the communicating pipe; the input end of the controller is electrically connected with the output end of the air pressure sensor so as to receive an air pressure sensing signal; the control end of the controller is electrically connected with the control end of the electric valve so as to respond to the air pressure sensing signal to control the switch of the electric valve; one end of the communicating pipe is communicated with the air inlet of the box body through a first connecting mechanism, and the other end of the communicating pipe is communicated with the air inlet pipe through a second connecting mechanism. The application has the effect of being convenient for staff to monitor and control the air pressure in the activated carbon box.

Description

Overpressure safety monitoring device for air inlet and outlet of activated carbon box

Technical Field

The application relates to the technical field of waste gas treatment equipment, in particular to an overpressure safety monitoring device for an air inlet and an air outlet of an active carbon box.

Background

In order to solve the problem, an active carbon adsorption box is a device for treating industrial waste gas, and harmful substances in the waste gas are absorbed through high adsorptivity of internal active carbon, so that the waste gas reaches the emission standard.

In the prior art, as shown in fig. 1, an activated carbon box comprises a box body 1, air inlets and air outlets are respectively arranged on two sides of the box body 1, an air inlet pipe 2 is communicated with the air inlet of the box body 1, and an air outlet pipe 3 is communicated with the air outlet of the box body 1.

The inventor believes that when the temperature of the industrial waste gas is higher, the air pressure in the activated carbon box can be increased, and when the activated carbon is saturated in adsorbing harmful substances, the blocking phenomenon is easy to occur, so that the air pressure in the box is increased, the normal purification of the waste gas is influenced, and the use safety of the activated carbon box is further influenced.

Disclosure of utility model

In order to be convenient for staff to monitor and control the air pressure in the activated carbon box, so that the use safety of the activated carbon box can be ensured, the application provides the overpressure safety monitoring device for the air inlet and outlet of the activated carbon box.

The application provides an active carbon box air inlet and outlet overpressure safety monitoring device which adopts the following technical scheme:

the air pressure monitoring device comprises a first monitoring device arranged between an air inlet of a box body and an air inlet pipe and a second monitoring device arranged between an air outlet of the box body and an air outlet pipe, wherein the first monitoring device and the second monitoring device are used for monitoring the air pressure in the box body, and the first monitoring device and the second monitoring device have the same structure;

The first monitoring device comprises a shell and a communicating pipe penetrating through the shell, an electric valve and a controller are arranged in the shell, and an air pressure sensor is arranged in the communicating pipe; the input end of the controller is electrically connected with the output end of the air pressure sensor so as to receive an air pressure sensing signal; the control end of the controller is electrically connected with the control end of the electric valve so as to respond to the air pressure sensing signal to control the switch of the electric valve;

One end of the communicating pipe is provided with a first connecting mechanism used for being communicated with the air inlet of the box body, the other end of the communicating pipe is provided with a second connecting mechanism used for being communicated with the air inlet pipe, and the first connecting mechanism and the second connecting mechanism are identical in structure.

By adopting the technical scheme, a worker can install the first monitoring device between the air inlet of the box body and the air inlet pipe, and install the second monitoring device between the air outlet of the box body and the air outlet pipe; when a worker installs the first monitoring device, two ends of the communicating pipe can be respectively connected with the air inlet of the box body and the air inlet pipe through the first connecting mechanism and the second connecting mechanism, the set air pressure sensor can detect air pressure in the box body, and the controller can control the closing and opening of the electric valve after receiving the air pressure signal, so that the closing and opening of the air inlet of the box body can be controlled, the air pressure of waste gas in the box body can be controlled, and the safety in the box body is improved; the working principle of the second monitoring device is the same as that of the first monitoring device, and the air pressure in the box body is controlled by controlling the closing and opening of the air outlet of the box body.

Preferably, the first connecting mechanism comprises a first sleeve sleeved on the communicating pipe and a second sleeve sleeved on the air inlet of the box body, a plug board is fixedly arranged on the first sleeve, a plug groove for plugging the plug board is formed in the second sleeve, and a limiting assembly for limiting the second sleeve is arranged on the plug board.

Through adopting above-mentioned technical scheme, the staff can remove communicating pipe at first, peg graft the plugboard on the first sleeve pipe in the jack groove on the second sleeve pipe, and spacing subassembly on the plugboard can carry out spacingly to the second sleeve pipe afterwards to can be convenient for the staff be connected communicating pipe and box air intake.

Preferably, the limiting component comprises a limiting block and a pushing spring, the limiting block slides on the side wall of the plugboard, an inclined surface is arranged on the limiting block, the pushing spring is arranged in the side wall of the plugboard, two ends of the pushing spring are respectively fixedly arranged on the limiting block and the inner wall of the plugboard, and a limiting groove for the limiting block to be inserted is formed in the inner wall of the second sleeve.

Through adopting above-mentioned technical scheme, the in-process that the plugboard was pegged graft mutually with the jack groove, the plugboard drove the stopper and removes, and the stopper can slide through the inclined plane and cooperate in second sheathed tube inner wall, and push spring is compressed, later when the stopper removes to the position corresponding with the jack groove, push spring's elasticity can promote the stopper and peg graft to the jack inslot to can reduce the possibility that first sleeve pipe and second sleeve pipe take place the separation, and then can reduce communicating pipe and box air intake take place the possibility of separation.

Preferably, the abutting plate slides in the inserting groove, the abutting plate can be abutted to the inserting plate, the inserting groove is further provided with an abutting spring, and two ends of the abutting spring are fixedly arranged on the abutting plate and the inner wall of the second sleeve respectively.

Through adopting above-mentioned technical scheme, the in-process that the pinboard pegged graft mutually with the jack groove, the pinboard can promote the compression butt spring of pinboard and remove, later when first sleeve pipe is connected with the second sleeve pipe, and the elasticity of butt spring can promote the pinboard and support tightly on the pinboard to can improve the inseparable degree of first sleeve pipe and second sleeve pipe connection.

Preferably, the first sleeve is fixedly provided with an external thread pipe, the external thread pipe is provided with a third sleeve in a threaded fit manner, the limiting block is fixedly provided with a supporting rod, the supporting rod penetrates through and slides in the plug board and the first sleeve at the same time, the supporting rod is close to one end of the third sleeve, which is provided with an inclined plane, the third sleeve is provided with a supporting groove, one end of the supporting rod can be inserted into the supporting groove, and the supporting rod can slide and be matched with the inner wall of the third sleeve.

Through adopting above-mentioned technical scheme, when the staff need dismantle first monitoring device from the box, rotatable third sleeve pipe, the third sleeve pipe removes to the direction that is close to the butt pole gradually afterwards, the butt pole is pegged graft gradually to the butt inslot, the butt pole can slide the cooperation in third sheathed tube inner wall through the inclined plane, afterwards the butt pole can drive the stopper and remove to the direction of keeping away from the spacing groove gradually, after the stopper removes to the position of keeping away from the spacing groove, thereby can be convenient for the staff separate communicating pipe and box air intake, and then can be convenient for the staff dismantle first monitoring device from the box.

Preferably, the inner wall of the communicating pipe is fixedly provided with a fixing plate, a first air bag is installed on the fixing plate, a second air bag is installed in the side wall of the communicating pipe, the second air bag is communicated with the first air bag, the first air bag can be abutted to the end of the box air inlet, and the second air bag can be abutted to the peripheral side wall of the box air inlet.

Through adopting above-mentioned technical scheme, when communicating pipe and box air intake are connected, the box air intake peg graft in communicating pipe, and the box air intake peg graft to the in-process of communicating pipe, and the box air intake can at first butt on first gasbag, and the gas in the first gasbag can be extruded into in the second gasbag afterwards, and the volume of second gasbag increases to finally the butt is on the lateral wall of box air intake, thereby the gas tightness between communicating pipe and the box air intake.

Preferably, the first sleeve is fixedly provided with a sealing plate, and the second sleeve is provided with a sealing groove for plugging the sealing plate.

Through adopting above-mentioned technical scheme, the closing plate that sets up can peg graft in the seal groove to can further improve the gas tightness between communicating pipe and the box air intake.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The staff can install the first monitoring device between the air inlet of the box body and the air inlet pipe, and install the second monitoring device between the air outlet of the box body and the air outlet pipe; when a worker installs the first monitoring device, two ends of the communicating pipe can be respectively connected with the air inlet of the box body and the air inlet pipe through the first connecting mechanism and the second connecting mechanism, the set air pressure sensor can detect air pressure in the box body, and the controller can control the closing and opening of the electric valve after receiving the air pressure signal, so that the closing and opening of the air inlet of the box body can be controlled, the air pressure of waste gas in the box body can be controlled, and the safety in the box body is improved; the working principle of the second monitoring device is the same as that of the first monitoring device, and the air pressure in the box body is controlled by controlling the closing and opening of the air outlet of the box body;

2. The staff can move the communicating pipe at first, plug the plugboard on the first sleeve into the plug groove on the second sleeve, and then the limiting component on the plugboard can limit the second sleeve, so that the staff can conveniently connect the communicating pipe with the air inlet of the box body;

3. In the process that the plugboard and the inserting groove are mutually inserted, the plugboard drives the limiting block to move, the limiting block can be matched with the inner wall of the second sleeve in a sliding mode through the inclined plane, the pushing spring is compressed, and then when the limiting block moves to the position corresponding to the limiting groove, the elastic force of the pushing spring can push the limiting block to be inserted into the limiting groove, so that the possibility that the first sleeve and the second sleeve are separated can be reduced, and the possibility that the communicating pipe and the box air inlet are separated can be reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of an activated carbon tank of the prior art;

FIG. 2 is a schematic structural view of an overpressure safety monitoring device for an air inlet and an air outlet of an activated carbon box;

Fig. 3 is a sectional view of the housing in the present embodiment;

FIG. 4 is a schematic view showing the structure of the protruding butt rod in the present embodiment;

fig. 5 is an enlarged view at a in fig. 4;

Fig. 6 is a schematic view showing the structure of the first air bag in this embodiment.

Reference numerals illustrate:

1. A case; 2. an air inlet pipe; 3. an air outlet pipe; 4. a first monitoring device; 5. a second monitoring device; 6. a housing; 7. a communicating pipe; 8. an electric valve; 9. a controller; 10. an air pressure sensor; 11. a first connection mechanism; 111. a first sleeve; 112. a second sleeve; 113. a plug board; 114. a plug-in groove; 115. a limit component; 1151. a storage tank; 1152. a limiting block; 1153. a pushing spring; 1154. a limit groove; 12. a second connection mechanism; 13. an abutting plate; 14. abutting against the spring; 15. an external threaded tube; 16. a third sleeve; 17. a butt joint rod; 18. an abutment groove; 19. a fixing plate; 20. a first air bag; 21. a second air bag; 22. a sealing plate; 23. and (5) sealing the groove.

Detailed Description

The application is described in further detail below with reference to fig. 2-6.

The embodiment of the application discloses an overpressure safety monitoring device for an air inlet and an air outlet of an active carbon box. As shown in fig. 2, the air pressure monitoring device comprises a first monitoring device 4 installed between an air inlet of the box body 1 and the air inlet pipe 2, and a second monitoring device 5 installed between an air outlet of the box body 1 and the air outlet pipe 3, wherein the first monitoring device 4 and the second monitoring device 5 are both used for monitoring the air pressure in the box body 1, and the first monitoring device 4 and the second monitoring device 5 have the same structure.

As shown in fig. 2 and 3, the first monitoring device 4 includes a housing 6 and a communication pipe 7 penetrating the housing 6, an electric valve 8 and a controller 9 are disposed in the housing 6, the electric valve 8 is mounted on the communication pipe 7, and an air pressure sensor 10 is mounted in the communication pipe 7; the input end of the controller 9 is electrically connected with the output end of the air pressure sensor 10 to receive an air pressure sensing signal; the control end of the controller 9 is electrically connected with the control end of the electric valve 8 so as to respond to the air pressure sensing signal to control the switch of the electric valve 8; the top of the shell 6 is provided with an air pressure gauge for displaying the air pressure value; one end of the communicating pipe 7 is provided with a first connecting mechanism 11 for being communicated with an air inlet of the box body 1, the other end of the communicating pipe 7 is provided with a second connecting mechanism 12 for being communicated with the air inlet pipe 2, and the first connecting mechanism 11 and the second connecting mechanism 12 have the same structure.

As shown in fig. 2 and 3, a worker may install the first monitoring device 4 between the air inlet of the case 1 and the air inlet pipe 2, and install the second monitoring device 5 between the air outlet of the case 1 and the air outlet pipe 3; when a worker installs the first monitoring device 4, two ends of the communicating pipe 7 can be respectively connected with the air inlet of the box body 1 and the air inlet pipe 2 through the first connecting mechanism 11 and the second connecting mechanism 12, the set air pressure sensor 10 can detect the air pressure in the box body 1, and the controller 9 can control the closing and opening of the electric valve 8 after receiving the air pressure signal, so that the closing and opening of the air inlet of the box body 1 can be controlled, the air pressure of waste gas in the box body 1 can be controlled, and the safety in the box body 1 is improved; the working principle of the second monitoring device 5 is the same as that of the first monitoring device 4, and the air pressure in the box body 1 is controlled by controlling the closing and opening of the air outlet of the box body 1.

As shown in fig. 3 and 4, referring to fig. 5, the first connection mechanism 11 includes a first sleeve 111 sleeved on the communication pipe 7 and a second sleeve 112 sleeved on the air inlet of the box 1, a plugboard 113 is welded and fixed on one side of the first sleeve 111 close to the second sleeve 112, the plugboard 113 is in a ring shape, a plugslot 114 for plugging the plugboard 113 is provided on the second sleeve 112, and a limiting assembly 115 for limiting the second sleeve 112 is provided on the plugboard 113.

As shown in fig. 3 and 4, referring to fig. 5, a worker may first move the communication pipe 7 to insert the plug board 113 on the first sleeve 111 into the insertion slot 114 on the second sleeve 112, and then the limiting component 115 on the plug board 113 can limit the second sleeve 112, so that the worker can conveniently connect the communication pipe 7 with the air inlet of the box 1.

As shown in fig. 3 and fig. 4, in combination with fig. 5, the limiting component 115 is provided with a plurality of groups, the side wall of the plugboard 113 is provided with a plurality of storage grooves 1151, the plurality of storage grooves 1151 are sequentially provided along the circumferential direction of the plugboard 113, the plurality of groups of limiting components 115 are arranged in the plurality of storage grooves 1151 in a one-to-one correspondence manner, the limiting component 115 comprises a limiting block 1152 and a pushing spring 1153, the limiting block 1152 slides in the storage grooves 1151 along the radial direction of the plugboard 113, an inclined plane is arranged on the limiting block 1152, two ends of the pushing spring 1153 are respectively welded and fixed on the limiting block 1152 and the inner wall of the plugboard 113, and a limiting groove 1154 for the limiting block 1152 to be inserted is provided on the inner wall of the second sleeve 112.

As shown in fig. 3 and fig. 4, in the process of plugging the plug board 113 with the plugging slot 114 in combination with fig. 5, the plug board 113 drives the limiting block 1152 to move, the limiting block 1152 can be slidably matched with the inner wall of the second sleeve 112 through an inclined plane, the pushing spring 1153 is compressed, and then when the limiting block 1152 moves to a position corresponding to the limiting slot 1154, the elastic force of the pushing spring 1153 can push the limiting block 1152 to be plugged into the limiting slot 1154, so that the possibility of separation of the first sleeve 111 and the second sleeve 112 can be reduced, and the possibility of separation of the communicating pipe 7 and the air inlet of the box 1 can be further reduced.

As shown in fig. 3 and 4, the abutting plate 13 slides in the plugging groove 114 along the axial direction of the second sleeve 112, the abutting plate 13 is in a ring plate shape, the abutting plate 13 can be abutted against the plugging plate 113, the plugging groove 114 is further provided with a plurality of abutting springs 14, the abutting springs 14 are arranged along the circumferential direction of the second sleeve 112, and two ends of each abutting spring 14 are respectively welded and fixed on the abutting plate 13 and the inner wall of the second sleeve 112; in the process of plugging the plugging plate 113 with the plugging slot 114, the plugging plate 113 can push the abutting plate 13 to compress the abutting spring 14 to move, and then after the first sleeve 111 is connected with the second sleeve 112, the elastic force of the abutting spring 14 can push the abutting plate 13 to abut against the plugging plate 113, so that the connection tightness of the first sleeve 111 and the second sleeve 112 can be improved.

As shown in fig. 3 and 4, referring to fig. 5, an external threaded pipe 15 is sleeved and fixed on the first sleeve 111, a third sleeve 16 is screwed and matched on the external threaded pipe 15, a supporting rod 17 is welded and fixed on a limiting block 1152, the supporting rod 17 is simultaneously penetrated and arranged on the plug board 113 and the first sleeve 111, one end of the supporting rod 17, which is close to the third sleeve 16, extends to the outer side of the first sleeve 111, and the supporting rod 17 can simultaneously slide in the side walls of the plug board 113 and the first sleeve 111 along the radial direction of the plug board 113; an inclined plane is arranged at one end of the abutting rod 17 close to the third sleeve 16, an abutting groove 18 is formed in the third sleeve 16, one end of the abutting rod 17 can be inserted into the abutting groove 18, and the abutting rod 17 can be slidably matched with the inner wall of the third sleeve 16.

As shown in fig. 3 and fig. 4, in conjunction with fig. 5, when a worker needs to detach the first monitoring device 4 from the box 1, the third sleeve 16 may be rotated, then the third sleeve 16 gradually moves towards the direction close to the abutting rod 17, the abutting rod 17 is gradually inserted into the abutting groove 18, the abutting rod 17 can be slidably matched with the inner wall of the third sleeve 16 through the inclined plane, then the abutting rod 17 can drive the limiting block 1152 to gradually move towards the direction far away from the limiting groove 1154, when the limiting block 1152 moves to the position far away from the limiting groove 1154, the worker can conveniently separate the communicating pipe 7 from the air inlet of the box 1, and the worker can conveniently detach the first monitoring device 4 from the box 1.

As shown in fig. 2 and 6, referring to fig. 3, the inner wall of the communication tube 7 is welded and fixed with a fixing plate 19, the fixing plate 19 is in a ring plate shape, a first air bag 20 is mounted on the fixing plate 19, a second air bag 21 is mounted in the side wall of the communication tube 7, the second air bag 21 is communicated with the first air bag 20, the first air bag 20 can be abutted to the end of the air inlet of the box 1, and the second air bag 21 can be abutted to the peripheral side wall of the air inlet of the box 1.

As shown in fig. 2 and 6, when the communicating pipe 7 is connected with the air inlet of the box 1, the air inlet of the box 1 is inserted into the communicating pipe 7, and in the process of inserting the air inlet of the box 1 into the communicating pipe 7, the air inlet of the box 1 can be firstly abutted against the first air bag 20, then the air in the first air bag 20 can be extruded into the second air bag 21, the volume of the second air bag 21 is increased, and finally the air is abutted against the side wall of the air inlet of the box 1, so that the air tightness between the communicating pipe 7 and the air inlet of the box 1 is improved.

As shown in fig. 3 and 4, a sealing plate 22 is fixedly connected to one side of the first sleeve 111, which is close to the second sleeve 112, the sealing plate 22 is annular and made of rubber, and a sealing groove 23 for inserting the sealing plate 22 is formed in the second sleeve 112; the sealing plate 22 can be inserted into the sealing groove 23, so that the air tightness between the communication pipe 7 and the air inlet of the box body 1 can be further improved.

The implementation principle of the embodiment of the application is as follows: the staff can install the first monitoring device 4 between the air inlet of the box body 1 and the air inlet pipe 2, and install the second monitoring device 5 between the air outlet of the box body 1 and the air outlet pipe 3; when a worker installs the first monitoring device 4, two ends of the communicating pipe 7 can be respectively connected with the air inlet of the box body 1 and the air inlet pipe 2 through the first connecting mechanism 11 and the second connecting mechanism 12, the set air pressure sensor 10 can detect the air pressure in the box body 1, and the controller 9 can control the closing and opening of the electric valve 8 after receiving the air pressure signal, so that the closing and opening of the air inlet of the box body 1 can be controlled, the air pressure of waste gas in the box body 1 can be controlled, and the safety in the box body 1 is improved; the working principle of the second monitoring device 5 is the same as that of the first monitoring device 4, and the air pressure in the box body 1 is controlled by controlling the closing and opening of the air outlet of the box body 1.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. The utility model provides an active carbon case air inlet superpressure safety monitoring device which characterized in that: the air conditioner comprises a first monitoring device (4) arranged between an air inlet of a box body (1) and an air inlet pipe (2) and a second monitoring device (5) arranged between an air outlet of the box body (1) and an air outlet pipe (3), wherein the first monitoring device (4) and the second monitoring device (5) are both used for monitoring air pressure in the box body (1), and the first monitoring device (4) and the second monitoring device (5) have the same structure;

The first monitoring device (4) comprises a shell (6) and a communicating pipe (7) penetrating through the shell (6), an electric valve (8) and a controller (9) are arranged in the shell (6), and an air pressure sensor (10) is arranged in the communicating pipe (7); the input end of the controller (9) is electrically connected with the output end of the air pressure sensor (10) so as to receive an air pressure sensing signal; the control end of the controller (9) is electrically connected with the control end of the electric valve (8) so as to respond to the air pressure sensing signal to control the switch of the electric valve (8);

One end of the communicating pipe (7) is provided with a first connecting mechanism (11) which is used for being communicated with an air inlet of the box body (1), the other end of the communicating pipe (7) is provided with a second connecting mechanism (12) which is used for being communicated with the air inlet pipe (2), and the first connecting mechanism (11) and the second connecting mechanism (12) are identical in structure.

2. The activated carbon box air inlet and outlet overpressure safety monitoring device according to claim 1, wherein: the first connecting mechanism (11) comprises a first sleeve (111) sleeved on the communicating pipe (7) and a second sleeve (112) sleeved on the air inlet of the box body (1), a plug board (113) is fixedly arranged on the first sleeve (111), a plug groove (114) for plugging the plug board (113) is formed in the second sleeve (112), and a limiting assembly (115) for limiting the second sleeve (112) is arranged on the plug board (113).

3. The activated carbon box air inlet and outlet overpressure safety monitoring device according to claim 2, wherein: limiting component (115) include stopper (1152) and push spring (1153), stopper (1152) slide in the lateral wall of plugboard (113), be equipped with the inclined plane on stopper (1152), push spring (1153) set up in plugboard (113) lateral wall, just push spring (1153) both ends fixed respectively set up in stopper (1152) and plugboard (113) inner wall, limiting groove (1154) that supplies stopper (1152) grafting are seted up to the inner wall of second sleeve pipe (112).

4. The activated carbon box air inlet and outlet overpressure safety monitoring device according to claim 2, wherein: the plug-in groove (114) is internally and slidably provided with an abutting plate (13), the abutting plate (13) can be abutted to the plug-in plate (113), the plug-in groove (114) is further provided with an abutting spring (14), and two ends of the abutting spring (14) are fixedly arranged on the abutting plate (13) and the inner wall of the second sleeve (112) respectively.

5. The activated carbon box air inlet and outlet overpressure safety monitoring device according to claim 3, wherein: the novel socket is characterized in that an external thread pipe (15) is fixedly arranged on the first sleeve (111), a third sleeve (16) is in threaded fit on the external thread pipe (15), a supporting rod (17) is fixedly arranged on the limiting block (1152), the supporting rod (17) penetrates through and slides in the plug board (113) and the first sleeve (111) at the same time, the supporting rod (17) is close to one end of the third sleeve (16) and is provided with an inclined plane, a supporting groove (18) is formed in the third sleeve (16), one end of the supporting rod (17) can be inserted into the supporting groove (18), and the supporting rod (17) can be in sliding fit with the inner wall of the third sleeve (16).

6. The activated carbon box air inlet and outlet overpressure safety monitoring device according to claim 1, wherein: the utility model discloses a box, including box (1) air intake, first gasbag (20), fixed plate (19) are fixed to the inner wall of communicating pipe (7), install second gasbag (21) in the lateral wall of communicating pipe (7), second gasbag (21) with first gasbag (20) are linked together, first gasbag (20) can the butt in the end department of box (1) air intake, second gasbag (21) can the butt in the week lateral wall of box (1) air intake.

7. The activated carbon box air inlet and outlet overpressure safety monitoring device according to claim 2, wherein: the sealing device is characterized in that the sealing plate (22) is fixedly arranged on the first sleeve (111), and a sealing groove (23) for inserting the sealing plate (22) is formed in the second sleeve (112).