CN211612181U

CN211612181U - Falling film absorption tower

Info

Publication number: CN211612181U
Application number: CN201922436292.4U
Authority: CN
Inventors: 肖兴强; 杨德成
Original assignee: Hubei Encyclopedia Chemical Co ltd
Current assignee: Hubei Encyclopedia Chemical Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-02
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a falling liquid film absorption tower belongs to chemical industry technical field. A falling film absorption tower comprises a shell, wherein the outer wall of the shell is respectively connected with an air inlet, a water inlet, an air outlet and a water outlet pipe, the outer wall of the shell is connected with a filter box, the outer wall of the water outlet pipe is connected to the top of the filter box, a filter plate is inserted into the inner wall of the filter box, the inner wall of the filter box is fixedly connected with a fixing frame, the filter plate is inserted into the fixing frame, one end, away from the fixing frame, of the filter plate is connected with a sealing cover, and the outer wall of the sealing; this practicality can filter the noxious material in the liquid to make liquid can the secondary use, be convenient for utilize remaining waste heat of toxic gas through the settlement of heat pipe, thereby realize energy saving and emission reduction's the condition, take out the change to the filter through sealed lid.

Description

Falling film absorption tower

Technical Field

The utility model relates to the technical field of chemical industry, especially, relate to a falling liquid film absorption tower.

Background

The absorption tower is a device for realizing absorption operation, and is divided into three types according to the gas-liquid phase contact state, wherein the first type is a plate tower, a bubbling absorption tower and a stirring bubbling absorption tower, and gas is dispersed in a liquid phase in a bubble state; the second type is an ejector, a venturi, a spray tower in which liquid is dispersed in a gas phase in the form of droplets; the third type is a packing absorption tower and a falling film absorption tower in which liquid contacts with gas phase in a film-shaped motion, the flow modes of gas phase and liquid phase in the tower can be countercurrent or cocurrent, countercurrent operation is usually adopted, an absorbent is added to the tower top to flow from top to bottom and contacts with gas flowing from bottom to top, the liquid absorbing the absorbent is discharged from the tower bottom, and the purified gas is discharged from the tower top.

The existing falling film absorption tower is contacted with toxic gas through liquid, the liquid can be combined with the toxic gas in the toxic gas when being contacted with the toxic gas, and when the liquid is discharged and is not treated in time, the environment is easily polluted, so that the falling film absorption tower is particularly important.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and providing a falling film absorption tower.

In order to achieve the purpose, the following technical scheme is adopted in the utility model:

the utility model provides a falling liquid film absorption tower, includes the shell, the outer wall of shell is connected with air inlet, water inlet, gas outlet and outlet pipe respectively, the outer wall connection of shell has the rose box, the outer wall connection of outlet pipe is at the top of rose box, the inner wall of rose box is pegged graft and is had the filter, the inner wall fixedly connected with mount of rose box, the filter is pegged graft in the mount, the one end that the mount was kept away from to the filter is connected with sealed lid, the outer wall connection of sealed lid has the hand (hold).

Preferably, the inner wall of the filter plate is respectively connected with a quartz sand filter layer, a fiber ball filter layer and an active carbon filter layer from top to bottom.

Preferably, the inner wall intermediate layer of shell is connected with the drain pipe, the outer wall of drain pipe runs through the shell and is connected with the heat pipe, the one end that the drain pipe was kept away from to the heat pipe is connected with the inlet tube.

Preferably, a flange interface is connected to the bottom wall of the housing.

Preferably, a placing groove is arranged between the inner wall of the filter plate and the quartz sand water filtering layer.

Preferably, the bottom of the filter box is inserted with a discharge pipe, and the outer wall of the discharge pipe is connected with a valve.

Compared with the prior art, the utility model provides a falling liquid film absorption tower possesses following beneficial effect:

1. this falling liquid film absorption tower, during the use, be connected the shell with toxic gas blast pipe through the flange interface, accomplish the back in succession, toxic gas gets into in the shell, purifier through in the shell purifies toxic gas, liquid flows into the rose box through the outlet pipe after mixing with toxic gas in, then the quartz sand water filter layer through filter internally mounted, fibre ball class water filter layer and active carbon water filter layer filter the toxic substance of doping in the liquid, filter the back rethread delivery pipe discharge, make liquid can the secondary use.

2. This falling liquid film absorption tower, in water gets into the heat-conducting pipe through the inlet tube, the heat pipe is connected in the inner wall intermediate layer of shell, when poisonous gas flows in the shell, make in the shell receive poisonous gas and bring thermal influence, thereby lead to the shell to become hot, then the heat pipe absorbs the heat on the shell surface, and then heat the water in the heat-conducting pipe, after the water heating is accomplished, water after will heating through the drain pipe lets in the storage water tank, and then can effectually preheat the industrial chemicals that need preheat in getting into the chemical layer, thereby effectual remaining waste heat to poisonous gas utilizes, thereby realize energy saving and emission reduction's the condition.

3. This falling liquid film absorption tower, when the filter live time long term, takes out the change to the filter through sealed lid, can be convenient for install and fix the filter through setting for of mount.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, this practicality can filter the noxious material in the liquid to make liquid can the secondary use, be convenient for utilize remaining waste heat of toxic gas through the settlement of heat pipe, thereby realize energy saving and emission reduction's the condition, take out the change to the filter through sealed lid.

Drawings

Fig. 1 is a schematic structural diagram of a falling film absorption tower according to the present invention;

fig. 2 is a partial cross-sectional view of a falling film absorption tower shell according to the present invention;

fig. 3 is a cross-sectional view of a filter box of a falling film absorption tower according to the present invention;

fig. 4 is a cross-sectional view of a filter plate of a falling film absorption tower according to the present invention.

In the figure: 1. a housing; 2. an air inlet; 3. a water inlet; 4. an air outlet; 5. a drain pipe; 6. a water inlet pipe; 7. a heat conducting pipe; 8. a water outlet pipe; 9. a filter box; 10. a sealing cover; 11. a handle; 12. a filter plate; 13. a fixed mount; 14. a quartz sand water filtering layer; 15. a fiber ball type water filtering layer; 16. filtering a water layer by using activated carbon; 17. a placement groove; 18. a discharge pipe.

Detailed Description

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

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

Referring to fig. 1-4, a falling film absorption tower comprises a shell 1, the outer wall of the shell 1 is respectively connected with an air inlet 2, a water inlet 3, an air outlet 4 and a water outlet pipe 8, the outer wall of the shell 1 is connected with a filter box 9, the outer wall of the water outlet pipe 8 is connected with the top of the filter box 9, the inner wall of the filter box 9 is connected with a filter plate 12 in an inserting manner, the inner wall of the filter box 9 is fixedly connected with a fixing frame 13, the filter plate 12 is connected in the fixing frame 13 in an inserting manner, one end, far away from the fixing frame 13, of the filter.

Referring to fig. 4, the inner wall of the filter plate 12 is connected with a quartz sand filter layer 14, a fiber ball filter layer 15 and an activated carbon filter layer 16 from top to bottom.

Referring to fig. 2, the inner wall interlayer of the casing 1 is connected with a drain pipe 5, the outer wall of the drain pipe 5 penetrates through the casing 1 to be connected with a heat pipe 7, and one end of the heat pipe 7 far away from the drain pipe 5 is connected with a water inlet pipe 6.

Referring to fig. 1, a flange interface is attached to the bottom wall of the housing 1.

Referring to fig. 4, a placing groove 17 is provided between the inner wall of the filter plate 12 and the quartz sand filtration layer 14.

Referring to fig. 1 and 3, a drain pipe 18 is inserted into the bottom of the filter tank 9, and a valve is connected to the outer wall of the drain pipe 18.

In the utility model, during the use, connect shell 1 and toxic gas blast pipe through the flange interface, after accomplishing in succession, toxic gas gets into in the shell 1, purify toxic gas through the purifier in the shell 1, liquid flows into in the rose box 9 through outlet pipe 8 after mixing with toxic gas, then through the quartz sand filter layer 14 of filter 12 internally mounted, fibre ball filter layer 15 and active carbon filter layer 16 filter the poisonous substance that dopes in the liquid, discharge through discharge pipe 18 after filtering, make liquid can the secondary use, when water gets into in heat pipe 7 through inlet tube 6, heat pipe 7 is connected in the inner wall intermediate layer of shell 1, when toxic gas flows into shell 1, make the interior hot toxic gas that receives of shell 1 bring thermal influence, thereby lead to shell 1, then heat pipe 7 absorbs the heat on the shell 1 surface, and then heat the water in the heat pipe 7, after the water heating is accomplished, let in the storage water tank through the water of drain pipe 5 after will heating, and then can effectually preheat the industrial chemicals that need preheat in getting into the chemical industry layer, thereby effectual remaining waste heat to toxic gas utilizes, thereby realize energy saving and emission reduction's the condition, when filter 12 live time long term, take out the change to filter 12 through sealed lid 10, can be convenient for install and fix filter 12 through the settlement of mount 13.

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 covered by the scope of the present invention by the technical solutions and the inventive concepts of the present invention equivalent or changed within the technical scope of the present invention.

Claims

1. The utility model provides a falling film absorption tower, includes shell (1), its characterized in that, the outer wall of shell (1) is connected with air inlet (2), water inlet (3), gas outlet (4) and outlet pipe (8) respectively, the outer wall connection of shell (1) has rose box (9), the top at rose box (9) is connected to the outer wall of outlet pipe (8), the inner wall of rose box (9) is pegged graft and is had filter (12), the inner wall fixedly connected with mount (13) of rose box (9), filter (12) are pegged graft in mount (13), the one end that mount (13) were kept away from in filter (12) is connected with sealed lid (10), the outer wall connection of sealed lid (10) has hand (11).

2. The falling film absorption tower according to claim 1, wherein the inner wall of the filter plate (12) is connected with a quartz sand water filtering layer (14), a fiber ball water filtering layer (15) and an activated carbon water filtering layer (16) from top to bottom.

3. The falling film absorption tower according to claim 1, wherein the inner wall interlayer of the outer shell (1) is connected with a drain pipe (5), the outer wall of the drain pipe (5) penetrates through the outer shell (1) to be connected with a heat conduction pipe (7), and one end of the heat conduction pipe (7) far away from the drain pipe (5) is connected with a water inlet pipe (6).

4. The falling film absorption tower according to claim 1, wherein a flange joint is attached to the bottom wall of the outer shell (1).

5. The falling film absorption tower according to claim 1, wherein a placement groove (17) is provided between the inner wall of the filter plate (12) and the quartz sand filter layer (14).

6. The falling film absorption tower according to claim 1, wherein a drain pipe (18) is inserted into the bottom of the filter box (9), and a valve is connected to the outer wall of the drain pipe (18).