CN215916854U - Methyl chloroformate tail gas processing apparatus that security is strong - Google Patents

Abstract

The utility model discloses a methyl chloroformate tail gas treatment device with high safety, relates to the technical field of methyl chloroformate tail gas treatment, and aims to solve the problems that the safety performance of the existing methyl chloroformate tail gas treatment device is poor in the using process, other articles in a preparation room are often sucked, and the interior of a device body is blocked and damaged. The both ends of active carbon adsorber all are provided with the flange frame, two one side of flange frame is provided with cascade mechanism and chimney respectively, be provided with the maintenance port on active carbon adsorber's the preceding terminal surface, active carbon adsorber's inside is provided with the adsorber internal frame, cascade mechanism's inside is provided with the reposition of redundant personnel spray tube, the below of reposition of redundant personnel spray tube is provided with the water receiving pond, and the water receiving pond sets up with cascade mechanism integrated into one piece, the inside of water receiving pond is provided with circulating water pump, cascade mechanism's top is provided with trachea intercommunication port, the inside of trachea intercommunication port is provided with the interior edge of port.

Description

Methyl chloroformate tail gas processing apparatus that security is strong

Technical Field

The utility model relates to the technical field of methyl chloroformate tail gas treatment, in particular to a methyl chloroformate tail gas treatment device with high safety.

Background

Methyl chloroformate is an organic compound, is extremely toxic, inflammable, corrosive, colorless and transparent liquid, has pungent smell, is mixed with ethanol and ether, is dissolved in benzene and chloroform, is slightly soluble in water and gradually decomposed by water, has lacrimation effect, and can be absorbed by skin to cause poisoning. The method is called calcium cyanamide method or methyl chloroformate synthesis method, and carbendazim prepared by the methyl chloroformate synthesis method is methyl chloroformate tail gas which has a part of pungent odor remained in the air.

The safety performance of the existing methyl chloroformate tail gas treatment device is poor in the using process, other articles in a preparation room are often sucked, and the interior of a device body is blocked and damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a methyl chloroformate tail gas treatment device with high safety, and aims to solve the problems that the existing methyl chloroformate tail gas treatment device in the background art is poor in safety performance in the use process, and other articles in a preparation room are often sucked, so that the interior of a device body is blocked and damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: the methyl chloroformate tail gas processing device with high safety comprises an activated carbon absorber, wherein flange frames are arranged at two ends of the activated carbon absorber, a water curtain mechanism and a chimney are respectively arranged at one side of each flange frame, an overhaul port is arranged on the front end face of the activated carbon absorber, an absorber inner frame is arranged inside the activated carbon absorber, a shunting spray pipe is arranged inside the water curtain mechanism, a water receiving pond is arranged below the shunting spray pipe and is integrally formed with the water curtain mechanism, a circulating water pump is arranged inside the water receiving pond, a gas pipe communication port is arranged at the top of the water curtain mechanism, a port inner edge is arranged inside the gas pipe communication port, an isolation barrier net is arranged on the outer wall of the port inner edge, and the gas pipe communication port is in sealing connection with the activated carbon absorber through a diversion gas pipe, the activated carbon adsorber is hermetically connected with the chimney through an exhaust frame.

Preferably, the diversion air pipe and the exhaust frame are respectively provided with an air exhaust fan, and the air exhaust fan is respectively connected with the diversion air pipe and the exhaust frame in a sealing way.

Preferably, a water return pipe is arranged at the water outlet end of the circulating water pump, a water injection pipe is arranged at one end of the water return pipe, and one end of the water injection pipe is communicated with the flow dividing spray pipe.

Preferably, the inner wall of the inner frame of the adsorber is provided with an installation slide way, the installation slide way and the inner frame of the adsorber are integrally formed, and the installation slide way is internally provided with an activated carbon adsorption net.

Preferably, a sealing partition plate is arranged inside the service port and is fixedly installed with the service port in a sealing mode through screws.

Preferably, a water changing discharge port is formed in the outer wall of one side of the water curtain mechanism and is integrally formed with the water curtain mechanism, and the water changing discharge port is communicated with the water receiving pool.

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

1. according to the utility model, the exhaust fan is used for sucking the residual tail gas of the methyl chloroformate indoors, in the sucking process, the tail gas passes through the water curtain formed in the water curtain mechanism, dust and particulate matters in the tail gas are fused into water drops to be separated in the process of passing through the water curtain, and the isolation barrier net arranged on the outer wall of the inner edge of the port can effectively prevent large foreign matters from entering the interior of the activated carbon absorber, so that the use safety of the tail gas treatment equipment is improved.

2. After the tail gas treatment is completed, the sealing partition plate can be taken down, and then the activated carbon adsorption net is taken out from the inside of the installation slideway for replacement or cleaning, so that the possibility of blockage and damage of the tail gas treatment equipment is reduced, and the use safety of the equipment is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a methyl chloroformate tail gas treatment device with high safety according to the present invention;

FIG. 2 is a schematic diagram of an activated carbon adsorber of the present invention;

FIG. 3 is a schematic structural diagram of the water curtain mechanism of the present invention;

FIG. 4 is a schematic view of the trachea port of the present invention;

in the figure: 1. an activated carbon adsorber; 2. an access port; 3. sealing the partition plate; 4. a water curtain mechanism; 5. a diversion air pipe; 6. a flange frame; 7. a water circulating pump; 8. a return flow pipe; 9. an air exhaust fan; 10. a water receiving pool; 11. an exhaust frame; 12. an exhaust fan; 13. a chimney; 14. an absorber inner frame; 15. installing a slideway; 16. an activated carbon adsorption net; 17. water changing and draining ports; 18. a flow-splitting spray pipe; 19. a water injection pipe; 20. an air tube communication port; 21. isolating and blocking nets; 22. an inner edge of the port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: a methyl chloroformate tail gas processing device with strong safety comprises an activated carbon absorber 1, flange frames 6 are arranged at two ends of the activated carbon absorber 1, a water curtain mechanism 4 and a chimney 13 are respectively arranged at one side of each flange frame 6, an overhaul port 2 is arranged on the front end face of the activated carbon absorber 1, an absorber inner frame 14 is arranged inside the activated carbon absorber 1, a diversion spray pipe 18 is arranged inside the water curtain mechanism 4, a water receiving tank 10 is arranged below the diversion spray pipe 18, the water receiving tank 10 and the water curtain mechanism 4 are integrally formed, a circulating water pump 7 is arranged inside the water receiving tank 10, a gas pipe communication port 20 is arranged at the top of the water curtain mechanism 4, a port inner edge 22 is arranged inside the gas pipe communication port 20, an isolation blocking net 21 is arranged on the outer wall of the port inner edge 22, and the gas pipe communication port 20 is hermetically connected with the activated carbon absorber 1 through a diversion gas pipe 5, the activated carbon adsorber 1 is connected in a sealed manner to a chimney 13 via an exhaust frame 11.

Further, an air suction fan 9 and an air exhaust fan 12 are respectively arranged on the diversion air pipe 5 and the air exhaust frame 11, the air suction fan 9 and the air exhaust fan 12 are respectively in flange seal connection with the diversion air pipe 5 and the air exhaust frame 11, and the air suction fan 9 and the air exhaust fan 12 respectively arranged on the diversion air pipe 5 and the air exhaust frame 11 play a role in assisting air intake and air exhaust.

Furthermore, a water return pipe 8 is arranged at the water outlet end of the circulating water pump 7, a water injection pipe 19 is arranged at one end of the water return pipe 8, one end of the water injection pipe 19 is communicated with the diversion spray pipe 18, and the water return pipe 8 arranged at the water outlet end of the circulating water pump 7 plays a role in facilitating backflow of water for the water curtain.

Further, an installation slide way 15 is arranged on the inner wall of the inner frame 14 of the adsorber, the installation slide way 15 and the inner frame 14 of the adsorber are integrally formed, an activated carbon adsorption net 16 is arranged inside the installation slide way 15, and the installation slide way 15 arranged on the inner wall of the inner frame 14 of the adsorber plays a role in facilitating installation of the activated carbon adsorption net 16.

Further, the internally mounted of the service port 2 is provided with a sealing partition plate 3, the sealing partition plate 3 is fixedly mounted with the service port 2 in a sealing way through a screw, and the internally mounted sealing partition plate 3 of the service port 2 plays a role in sealing the service port 2.

Further, be provided with on one side outer wall of cascade mechanism 4 and trade water row mouth 17, trade water row mouth 17 and cascade mechanism 4 integrated into one piece setting, trade water row mouth 17 and water receiving pond 10 intercommunication setting, trade water row mouth 17 that sets up on one side outer wall of cascade mechanism 4 plays the effect of being convenient for discharge and change the inside water of cascade mechanism 4.

The working principle is as follows: the water curtain mechanism 4 is positioned in the preparation room, the activated carbon absorber 1 and the chimney 13 are positioned outdoors, the exhaust fan 9 sucks the residual tail gas of methyl chloroformate indoors, the tail gas passes through a water curtain formed inside the water curtain mechanism 4 in the suction process, dust and particles in the tail gas are melted into water drops and separated in the process of passing through the water curtain, the isolation barrier net 21 arranged on the outer wall of the port inner edge 22 can effectively prevent large foreign matters from entering the activated carbon absorber 1, the use safety of tail gas treatment equipment is improved, the tail gas enters the activated carbon absorber 1 through the diversion air pipe 5, the activated carbon absorption net 16 inside the activated carbon absorber 1 absorbs and removes pungent odor components in the tail gas, the tail gas is finally discharged from the chimney 13 under the action of the exhaust fan 12, the sealing partition plate 3 can be taken down after the tail gas treatment is finished, and then the activated carbon absorption net 16 is taken out from the inside of the installation slideway 15 or cleaned, therefore, the possibility of blockage and damage of the tail gas treatment equipment is reduced, the use safety of the equipment is improved, and the use work of the methyl chloroformate tail gas treatment device with high safety is completed.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 (6)

1. The utility model provides a methyl chloroformate tail gas processing apparatus that security is strong, includes activated carbon absorber (1), its characterized in that: the activated carbon absorber is characterized in that flange frames (6) are arranged at two ends of the activated carbon absorber (1), one side of each of the two flange frames (6) is provided with a water curtain mechanism (4) and a chimney (13), an overhaul port (2) is arranged on the front end face of the activated carbon absorber (1), an absorber inner frame (14) is arranged inside the activated carbon absorber (1), a shunting spray pipe (18) is arranged inside the water curtain mechanism (4), a water receiving pond (10) is arranged below the shunting spray pipe (18), the water receiving pond (10) and the water curtain mechanism (4) are integrally arranged, a circulating water pump (7) is arranged inside the water receiving pond (10), a gas pipe communication port (20) is arranged at the top of the water curtain mechanism (4), an inner edge (22) is arranged inside the gas pipe communication port (20), and an isolation blocking net (21) is arranged on the outer wall of the inner edge (22) of the port, the air pipe communication port (20) is in sealing connection with the activated carbon adsorber (1) through the diversion air pipe (5), and the activated carbon adsorber (1) is in sealing connection with the chimney (13) through the exhaust frame (11).

2. The methyl chloroformate tail gas treatment device with high safety according to claim 1, characterized in that: and the diversion air pipe (5) and the exhaust frame (11) are respectively provided with an air suction fan (9) and an exhaust fan (12), and the air suction fan (9) and the exhaust fan (12) are respectively in flange sealing connection with the diversion air pipe (5) and the exhaust frame (11).

3. The methyl chloroformate tail gas treatment device with high safety according to claim 1, characterized in that: a water return pipe (8) is arranged at the water outlet end of the circulating water pump (7), a water injection pipe (19) is arranged at one end of the water return pipe (8), and one end of the water injection pipe (19) is communicated with the flow dividing spray pipe (18).

4. The methyl chloroformate tail gas treatment device with high safety according to claim 1, characterized in that: the inner wall of the inner frame (14) of the adsorber is provided with an installation slide way (15), the installation slide way (15) and the inner frame (14) of the adsorber are integrally formed, and an activated carbon adsorption net (16) is arranged inside the installation slide way (15).

5. The methyl chloroformate tail gas treatment device with high safety according to claim 1, characterized in that: the maintenance port is characterized in that a sealing partition plate (3) is arranged inside the maintenance port (2), and the sealing partition plate (3) is fixedly installed with the maintenance port (2) in a sealing mode through screws.

6. The methyl chloroformate tail gas treatment device with high safety according to claim 1, characterized in that: the water curtain mechanism is characterized in that a water changing discharge port (17) is formed in the outer wall of one side of the water curtain mechanism (4), the water changing discharge port (17) and the water curtain mechanism (4) are integrally formed, and the water changing discharge port (17) is communicated with the water receiving pool (10).

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