CN216654011U

CN216654011U - Tail gas absorbing device is used in formaldehyde production

Info

Publication number: CN216654011U
Application number: CN202123081329.XU
Authority: CN
Inventors: 朱礼亚; 王亮; 徐国超; 郭国旺; 张贺军
Original assignee: Anhui Fulin Chemical Co ltd
Current assignee: Anhui Fulin Chemical Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-06-03
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a tail gas absorption device for formaldehyde production in the field of formaldehyde production, which comprises a machine body, wherein an air inlet pipe is arranged at the upper end of the left side of the machine body, an adsorption tank is arranged in the middle of the air inlet pipe, internal thread connecting pipes are respectively arranged at the front end and the rear end of the adsorption tank, the internal thread connecting pipes are fixedly connected with the adsorption tank, external threads are arranged on the outer side of the middle part of the air inlet pipe, the internal thread connecting pipes are rotatably connected with the air inlet pipe through the external threads, activated carbon is arranged in the adsorption tank, filter screens are respectively arranged at the front end and the rear end in the adsorption tank, tail gas enters the adsorption tank through the designed adsorption tank, the internal thread connecting pipes and the external threads, formaldehyde in the tail gas is adsorbed through the activated carbon in the adsorption tank, the adsorbed tail gas directly enters the machine body to be subjected to secondary absorption, the absorption quality of the tail gas can be effectively improved, and harmful substances in the tail gas can be completely absorbed, improve the air quality, be favorable to the protection to the environment, and improve tail gas absorbing device's practicality.

Description

Tail gas absorbing device is used in formaldehyde production

Technical Field

The utility model relates to the field of formaldehyde production, in particular to a tail gas absorption device for formaldehyde production.

Background

Laboratory scale equipment, can be used to the gas-liquid reaction or the tail gas absorption of multiple occasion, gas absorbing device has multiple size, can be used to compact design and can be used to laboratory fume hood, also can use in different fume hoods behind supporting removal frame or desktop type shelf, get into round flask and upwards through the absorption column absorption promptly when waste gas gets into, absorption liquid through the diaphragm pump after the round flask is squeezed into the gondola water faucet from round flask, fall from the top, opposite direction with waste gas through the absorption column, thereby more effective increase contact between them, absorption can use active absorbing device to go on, for example use nitrogen gas as the carrier gas, also can use the vacuum to guide through absorbing device.

Among the prior art, tail gas absorbing device generally absorbs the tail gas of formaldehyde through the adsorption column and spray the absorption liquid, nevertheless contains partial formaldehyde in the tail gas of formaldehyde production, and formaldehyde can't be absorbed by adsorption column and absorption liquid completely, leads to the harmful substance in the tail gas can't be absorbed completely, is unfavorable for environmental protection, has reduced tail gas absorbing device's practicality and security.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tail gas absorption device for formaldehyde production, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a tail gas absorbing device is used in formaldehyde production, includes the organism, the intake pipe is installed to organism left side upper end, the intake pipe mid-mounting has the adsorption tank, the internal thread connecting pipe is all installed to the adsorption tank front and back end, the internal thread connecting pipe all with adsorption tank fixed connection, the intake pipe middle part outside is provided with the external screw thread, the internal thread connecting pipe passes through the external screw thread and is connected with the intake pipe rotation, adsorption tank internally mounted has the active carbon, the inside front and back end of adsorption tank all is provided with the filter screen.

As a further scheme of the utility model: spacing post is installed to the organism upper end, the gondola water faucet is installed to spacing post lower extreme, the gondola water faucet lower extreme is provided with a plurality of spouts, spacing post and the inside intercommunication of gondola water faucet, and the inside water of spacing post can be directly by the spout blowout of gondola water faucet lower extreme.

As a still further scheme of the utility model: the water pipe and the absorption liquid pipeline are installed at the upper end of the limiting column, the water tank is installed on the left side of the water pipe and the absorption liquid pipeline, two water pumps are installed inside the water tank, two upper covers are installed at the upper end of the water tank, the water pipe and the absorption liquid pipeline are fixedly connected with the upper covers, the water pipe and the absorption liquid pipeline are fixedly connected with the water pumps, the water pumps are started, and clean water or absorption liquid can be conveyed to the interior of the water pipe or the absorption liquid pipeline.

As a still further scheme of the utility model: the water tank is internally provided with a partition board which is fixedly connected with the water tank, the partition board separates the inside of the water tank into two sealed spaces, absorption liquid is placed on the left side inside the water tank, and cleaning water is placed on the right side inside the water tank.

As a still further scheme of the utility model: a plurality of connecting blocks are installed to organism outside lower extreme, the frame is installed in the connecting block outside, a plurality of supports are installed to the frame lower extreme, and the organism passes through frame and connecting block and support fixed connection, and the support is got up the organism support.

As a still further scheme of the utility model: organism internally mounted has a plurality of absorption columns, the absorption column all with organism fixed connection, the drain is installed to organism right side lower extreme, the drain mid-mounting has the valve, and the absorption column can adsorb the noxious material in the tail gas, can improve the absorption effect of tail gas, opens the valve, can pass through the drain with the inside dirt of organism and discharge.

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

in the utility model, through the designed adsorption box, the filter screen, the internal thread connecting pipe and the external thread, the adsorption box is arranged in the middle of the air inlet pipe, the internal thread connecting pipe is arranged at the front end and the rear end of the adsorption box, the external thread is arranged at the outer side of the middle part of the air inlet pipe, the internal thread connecting pipe is rotationally connected with the external thread, so that the adsorption box is fixedly connected with the air inlet pipe through the internal thread connecting pipe and the external thread, a large amount of active carbon is arranged in the adsorption box, the filter screen is arranged at the front end and the rear end in the adsorption box, the active carbon can be limited through the filter screen, the active carbon is prevented from flowing out, the tail gas enters the adsorption box through the air inlet pipe, the formaldehyde in the tail gas is adsorbed through the active carbon in the adsorption box, the adsorbed tail gas directly enters the machine body for secondary absorption, the absorption quality of the tail gas can be effectively improved, the harmful substances in the tail gas can be completely absorbed, the air quality is improved, and the environmental protection is facilitated, and the practicability of the tail gas absorption device is improved.

According to the utility model, through the designed water tank, the partition plate, the upper cover, the water pipe and the absorption liquid pipeline, the upper end of the machine body is provided with the limiting column, the water pipe and the absorption liquid pipeline are arranged at the upper end of the limiting column, the water tank is arranged on the left sides of the water pipe and the absorption liquid pipeline, the partition plate is arranged in the water tank, so that the water tank is divided into two closed spaces, the absorption liquid is placed in the left space in the water tank, the cleaning water is placed on the right side in the water tank, the two water pumps are arranged in the water tank and are respectively and fixedly connected with the water pipe and the absorption liquid pipeline, when the water pump in the absorption liquid is started, the absorption liquid can be sprayed out of the shower head to treat tail gas, when the water pump in the cleaning water is started, the cleaning water can be sprayed out of the shower head to clean the interior of the machine body, and the maintenance of the machine body is facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing an internal structure of a water tank according to the present invention;

FIG. 3 is a schematic structural view of a filter screen according to the present invention;

FIG. 4 is a schematic view of the structure of an absorption column in the present invention.

In the figure: 1. a body; 2. a frame; 3. connecting blocks; 4. an air inlet pipe; 5. an adsorption tank; 6. a support; 7. a limiting column; 8. a water pipe; 9. a shower head; 10. a spout; 11. an external thread; 12. an internal thread connecting pipe; 13. a filter screen; 14. an absorption column; 15. a sewage draining outlet; 16. a valve; 17. an absorption liquid pipe; 18. a water tank; 19. an upper cover; 20. a separator.

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. 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 invention.

Referring to fig. 1 to 4, in the embodiment of the utility model, the tail gas absorption device for formaldehyde production comprises a machine body 1, an air inlet pipe 4 is installed at the upper end of the left side of the machine body 1, an adsorption tank 5 is installed in the middle of the air inlet pipe 4, internal thread connecting pipes 12 are installed at the front end and the rear end of the adsorption tank 5, the internal thread connecting pipes 12 are fixedly connected with the adsorption tank 5, external threads 11 are arranged on the outer side of the middle of the air inlet pipe 4, the internal thread connecting pipes 12 are rotatably connected with the air inlet pipe 4 through the external threads 11, activated carbon is installed inside the adsorption tank 5, and filter screens 13 are arranged at the front end and the rear end inside the adsorption tank 5.

Wherein, 1 upper end of organism is installed spacing post 7, and gondola water faucet 9 is installed to spacing post 7 lower extreme, and 9 lower extremes of gondola water faucet are provided with a plurality of spouts 10, and during the use, spacing

post

7 and 9 inside intercommunications of gondola water faucet, the inside water of spacing post 7 can be directly by the spout 10 blowout of 9 lower extremes of gondola water faucet, through the setting of spout 10, make water can even spray downwards, improve tail gas absorption's scope and efficiency.

Water pipe 8 and absorption liquid pipeline 17 are installed to spacing post 7 upper end, water tank 18 is installed on water pipe 8 and absorption liquid pipeline 17 left side, 18 internally mounted in water tank have two water pumps, two upper covers 19 are installed to 18 upper ends in water tank, water pipe 8 and absorption liquid pipeline 17 all with upper cover 19 fixed connection, during the use, water pipe 8 and absorption liquid pipeline 17 all with water pump fixed connection, start the water pump, can carry water pipe 8 or absorption liquid pipeline 17 inside with clean water or absorption liquid, be convenient for the transport of clean water and absorption liquid.

A partition plate 20 is arranged in the water tank 18, the partition plate 20 is fixedly connected with the water tank 18, when the water tank is used, the partition plate 20 partitions the inside of the water tank 18 into two sealed spaces, absorption liquid is placed on the left side inside the water tank 18, cleaning water is placed on the right side inside the water tank 18, and the cleaning water or the absorption liquid can be added according to the working requirements of the machine body 1.

A plurality of connecting blocks 3 are installed to 1 outside lower extreme of organism, and frame 2 is installed in the 3 outsides of connecting block, and a plurality of supports 6 are installed to 2 lower extremes of frame, and during the use, organism 1 passes through frame 2 and connecting block 3 and support 6 fixed connection, and support 6 supports organism 1, makes organism 1's use more convenient.

1 internally mounted of organism has a plurality of absorption columns 14, absorption column 14 all with 1 fixed connection of organism, drain 15 is installed to 1 right side lower extreme of organism, and drain 15 mid-mounting has valve 16, and during the use, absorption column 14 can adsorb the noxious material in the tail gas, can improve the absorption effect of tail gas, opens valve 16, can pass through drain 15 with the inside dirt of organism 1 and discharge, and the 1 inside cleanness of organism of being convenient for.

The working principle of the utility model is as follows: firstly, an adsorption box 5 is arranged in the middle of an air inlet pipe 4, tail gas can directly enter the air inlet pipe 4 and then enter the adsorption box 5, activated carbon is arranged in the adsorption box 5, formaldehyde in the tail gas can be filtered after the tail gas enters the adsorption box 5, the filtered tail gas can directly enter the machine body 1 for secondary filtration, a water pump in absorption liquid in a water tank 18 is started, the water pump transmits the absorption liquid into an absorption liquid pipeline 17, the absorption liquid enters a limiting column 7 and is sprayed out from a shower head 9, the absorption liquid sprays the tail gas, a plurality of absorption columns 14 are arranged in the machine body 1 and can simultaneously adsorb the tail gas, toxic substances in the tail gas are removed, the tail gas absorption efficiency is effectively improved, the practicability of the machine body 1 is improved, after the machine body 1 is used, the water pump in clean water in the water tank 18 can be started to enable clean water to enter the shower head 9 and be sprayed out, the interior of the machine body 1 is cleaned, the valve 16 is opened, and sewage can be discharged from the sewage discharge port 15, so that the maintenance of the machine body 1 is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a tail gas absorbing device is used in formaldehyde production, includes organism (1), its characterized in that: intake pipe (4) are installed to organism (1) left side upper end, intake pipe (4) mid-mounting has adsorption tank (5), internal thread connecting pipe (12) are all installed to adsorption tank (5) front and back end, internal thread connecting pipe (12) all with adsorption tank (5) fixed connection, the intake pipe (4) middle part outside is provided with external screw thread (11), internal thread connecting pipe (12) are rotated with intake pipe (4) through external screw thread (11) and are connected, adsorption tank (5) internally mounted has the active carbon, adsorption tank (5) inside front and back end all is provided with filter screen (13).

2. The tail gas absorbing device for formaldehyde production according to claim 1, wherein: spacing post (7) are installed to organism (1) upper end, gondola water faucet (9) are installed to spacing post (7) lower extreme, gondola water faucet (9) lower extreme is provided with a plurality of spouts (10).

3. The tail gas absorbing device for formaldehyde production according to claim 2, wherein: water pipe (8) and absorption liquid pipeline (17) are installed to spacing post (7) upper end, water tank (18) are installed on water pipe (8) and absorption liquid pipeline (17) left side, water tank (18) internally mounted has two water pumps, two upper cover (19) are installed to water tank (18) upper end, water pipe (8) and absorption liquid pipeline (17) all with upper cover (19) fixed connection.

4. The tail gas absorbing device for formaldehyde production according to claim 3, wherein: a partition plate (20) is installed inside the water tank (18), and the partition plate (20) is fixedly connected with the water tank (18).

5. The tail gas absorbing device for formaldehyde production according to claim 1, wherein: a plurality of connecting blocks (3) are installed to organism (1) outside lower extreme, frame (2) are installed in connecting block (3) outside, a plurality of supports (6) are installed to frame (2) lower extreme.

6. The tail gas absorbing device for formaldehyde production according to claim 1, wherein: organism (1) internally mounted has a plurality of absorption columns (14), absorption column (14) all with organism (1) fixed connection, drain (15) are installed to organism (1) right side lower extreme, drain (15) mid-mounting has valve (16).