CN212999220U

CN212999220U - Formaldehyde absorption tower

Info

Publication number: CN212999220U
Application number: CN202020938801.3U
Authority: CN
Inventors: 顾志健; 刘戍
Original assignee: Wuxi Tianjiu Chemical Equipment Co Ltd
Current assignee: Wuxi Tianjiu Chemical Equipment Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-04-20
Anticipated expiration: 2030-05-29

Abstract

The utility model belongs to the technical field of chemical industry equipment, especially, be a formaldehyde absorption tower. The utility model discloses a set up gas-injection through-hole, air feed channel, dispersion board and column spinner, formaldehyde gas is spout through many gas-injection through-holes, drives the column spinner rotation through starting servo motor this moment to drive the dispersion board on surface rotatory, be convenient for like this with the formaldehyde gas mixture of blowout, make the formaldehyde gas concentration of every position inside the tower body all even, thereby make formaldehyde gas and low concentration formaldehyde mixed more thoroughly, the efficiency of mixing and obtaining suitable concentration formaldehyde is effectively accelerated; through reversal fixing bolt, can pull down the second connecting pipe, when the installation, only need to install inside the piece inserts the mounting groove, then corotation fixing bolt makes fixing bolt card inside fixed recess, carries out last fixed, like this effectual step of simplifying the dismouting, the effectual firm degree that has improved the monolithic connection simultaneously.

Description

Formaldehyde absorption tower

Technical Field

The utility model relates to a chemical industry equipment technical field specifically is a formaldehyde absorption tower.

Background

The existing formaldehyde absorption tower is equipment for mixing formaldehyde steam and low-concentration formaldehyde solution to obtain the formaldehyde solution with proper concentration, specifically, in the formaldehyde absorption tower, gas moves from bottom to top, and absorption liquid flows from top to bottom, and the gas and the absorption liquid are in countercurrent contact to finally obtain the proper formaldehyde solution. There are the following problems:

1. the existing formaldehyde absorption tower has the defects that the steps for disassembling and assembling the liquid dispersion parts inside the formaldehyde absorption tower are complex, and the formaldehyde absorption tower is inconvenient for maintenance personnel to disassemble and maintain quickly after a fault occurs in the use process.

2. Most formaldehyde absorption towers can not disperse and spray introduced formaldehyde gas, so that the sprayed formaldehyde gas can not be fully mixed with low-concentration formaldehyde, and the formaldehyde with proper concentration can not be quickly obtained.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a formaldehyde absorption tower has solved inside liquid dispersion part dismouting step comparatively loaded down with trivial details and can't be with leading-in formaldehyde gas dispersion spun problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a formaldehyde absorption tower comprises a tower body and a fixed base, wherein one side of the bottom of the tower body is provided with a discharge port, the top of the tower body is provided with a tail gas outlet, one side of the bottom of the tower body far away from the outlet is fixedly provided with a servo motor, the bottom of the inner side of the tower body is rotatably provided with a rotating column, the output end of the servo motor is fixedly connected with the rotating column, an air supply channel is arranged in the rotating column, a formaldehyde gas pipe is connected with the outer side of the tower body, the formaldehyde gas pipe is rotatably connected with the air supply channel through a rotating seal ring, a dispersion plate is fixedly arranged on the outer side of the rotating column, air injection through holes are respectively arranged on the dispersion plate and the surface of the rotating column, a packing layer is fixedly arranged in the middle of the inner side of the tower body, a hollow metal pipe is fixedly arranged above the inner side of the tower body, the tower body outside top is provided with low concentration formaldehyde pipe, low concentration formaldehyde pipe and hollow metal pipe intercommunication.

As an optimized technical scheme of the utility model, the cavity has been seted up to the dispersion board is inside, cavity and air feed channel intercommunication.

As an optimized technical scheme of the utility model, the packing layer is the wire mesh packing layer, the packing layer surface scribbles the rust inhibitor.

As an optimal technical scheme of the utility model, the fixed dispersion pipe that sets up in the hollow metal tube outside, dispersion pipe and hollow metal tube intercommunication.

As an optimal technical scheme of the utility model, the dispersion pipe includes first connecting pipe and second connecting pipe, hydrojet hole has all been seted up on first connecting pipe, second connecting pipe and hollow metal pipe surface.

As a preferred technical scheme of the utility model, the mounting groove has been seted up at first connecting pipe top, second connecting pipe one end be provided with mounting groove assorted installation piece.

As a preferred technical scheme of the utility model, fixing bolt is installed through the screw thread in the mounting groove outside, installation piece outside surface seted up with fixing bolt assorted fixed recess.

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

1. this formaldehyde absorption tower, through setting up jet-propelled through-hole, the air feed channel, dispersion board and column spinner, formaldehyde gas gets into inside the air feed channel, then send to inside the cavity, at last through the blowout of many jet-propelled through-holes, it is rotatory to drive the column spinner through starting servo motor this moment, thereby it is rotatory to drive surperficial dispersion board, be convenient for like this with the mixture of spun formaldehyde gas, make the inside every position formaldehyde gas concentration of tower body all even, thereby make more thoroughly that formaldehyde gas and low concentration formaldehyde mix, the effectual mixed efficiency that obtains suitable concentration formaldehyde that has accelerated.

2. This formaldehyde absorption tower, through setting up fixing bolt, the fixed recess, mounting groove and installation piece, through reversal fixing bolt, can pull down the second connecting pipe, when the installation, only need to install the piece and align with the mounting groove, then inside inserting the mounting groove with the installation piece, fix tentatively, at last corotation fixing bolt makes fixing bolt card inside the fixed recess, carry out last fixed, the step of effectual simplification dismouting like this, be convenient for shorten maintenance personal's maintenance duration, simultaneously the effectual firm degree that improves the monolithic connection.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic diagram of the structure of the dispersing plate of the present invention;

fig. 3 is a cross-sectional view of the hollow metal tube of the present invention.

In the figure: 1. a tower body; 2. a fixed base; 3. an outlet port; 4. a tail gas discharge port; 5. a servo motor; 6. a spin column; 7. an air supply channel; 8. a formaldehyde gas pipe; 9. a dispersion plate; 10. a gas injection through hole; 11. a filler layer; 12. a low concentration formaldehyde tube; 13. a hollow metal tube; 14. a cavity; 15. a dispersion pipe; 16. a first connecting pipe; 17. a second connecting pipe; 18. a liquid ejection hole; 19. mounting grooves; 20. mounting blocks; 21. fixing the bolt; 22. and fixing the groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: the utility model provides a formaldehyde absorption tower, including tower body 1 and

unable adjustment base

2, 1 bottom one side of tower body is provided with

discharge port

3, 1 top of tower body is provided with tail gas discharge port 4, one side fixed mounting that discharge port 3 was kept away from to 1 bottom of tower body has

servo motor

5, 1 inboard bottom of tower body is rotated and is set up column spinner 6, servo motor 5 output and 6 fixed connection of column spinner, 6 inside air channel 7 of having seted up of column spinner, 1 outside of tower body is connected with formaldehyde gas pipe 8, formaldehyde gas pipe 8 rotates through rotary seal with air channel 7 and is connected, 6 outside fixed mounting of column spinner has dispersion plate 9, jet-propelled through hole 10 is all seted up with 6 surfaces of column spinner to

dispersion plate

9, 1 inboard middle fixed packing layer 11 that sets up of tower body, 1 inboard top fixed mounting of tower body has

hollow metal pipe

13, 1 outside top of tower body is provided with low concentration formaldehyde pipe 12, low.

In the embodiment, formaldehyde gas enters the gas conveying channel 7, is conveyed to the cavity 14, and is finally sprayed out through the plurality of gas spraying through holes 10, at the moment, the servo motor 5 is started to drive the rotary column 6 to rotate, so that the dispersion plate 9 on the surface is driven to rotate, the sprayed formaldehyde gas is convenient to mix, the concentration of the formaldehyde gas in each direction in the tower body 1 is uniform, the formaldehyde gas and low-concentration formaldehyde are mixed more thoroughly, and the efficiency of mixing the formaldehyde gas with the formaldehyde with the proper concentration is effectively accelerated; if dispersion pipe 15 breaks down in the use after, can be through reversal fixing bolt 21, can pull down second connecting pipe 17, when the installation, only need to align installation piece 20 and mounting groove 19, then inside inserting installation piece 20 into mounting groove 19, tentatively fix, corotation fixing bolt 21 makes fixing bolt 21 card inside fixed recess 22 at last, carry out last fixed, the effectual step of simplifying the dismouting like this, be convenient for shorten maintenance personal's maintenance duration, simultaneously effectual improvement the firm degree of monolithic connection.

Specifically, a cavity 14 is formed in the dispersion plate 9, and the cavity 14 is communicated with the air feed channel 7.

In this embodiment, by providing the cavity 14, the formaldehyde gas is fed into the cavity 14 through the gas feed channel 7, so that the formaldehyde gas can be dispersed more uniformly.

Specifically, the packing layer 11 is a metal wire mesh packing layer, and the surface of the packing layer 11 is coated with an antirust agent.

In this embodiment, the service life of the packing layer 11 can be effectively prolonged by applying the rust inhibitor.

Specifically, a dispersion pipe 15 is fixedly arranged outside the hollow metal pipe 13, and the dispersion pipe 15 is communicated with the hollow metal pipe 13.

In this embodiment, through setting up dispersion tube 15, can be with low concentration formaldehyde like this, the effectual mixed effect that has improved is spouted to each position dispersion.

Specifically, the dispersion pipe 15 includes a first connection pipe 16 and a second connection pipe 17, and the surfaces of the first connection pipe 16, the second connection pipe 17 and the hollow metal pipe 13 are all provided with liquid spraying holes 18.

In this embodiment, the effect of dispersing and spraying the low-concentration formaldehyde is effectively improved by the liquid spraying holes 18.

Specifically, the top of the first connecting pipe 16 is provided with an installation groove 19, and one end of the second connecting pipe 17 is provided with an installation block 20 matched with the installation groove 19.

In this embodiment, the installation steps are effectively simplified by providing the installation groove 19 and matching the installation groove 19 with the installation block 20.

Specifically, a fixing bolt 21 is installed on the outer side of the installation groove 19 through a thread, and a fixing groove 22 matched with the fixing bolt 21 is formed in the outer side surface of the installation block 20.

In this embodiment, through setting up fixing bolt 21, mutually support through fixing bolt 21 and fixed recess 22 like this, the effectual firm degree of connecting that has improved.

The utility model discloses a theory of operation and use flow: during operation, formaldehyde gas enters the gas supply channel 7, then is supplied to the cavity 14, and finally is sprayed out through the plurality of gas spraying through holes 10, at the moment, the servo motor 5 is started to drive the rotary column 6 to rotate, so as to drive the dispersion plate 9 on the surface to rotate, so that the sprayed formaldehyde gas is convenient to mix, the concentration of the formaldehyde gas in each direction in the tower body 1 is uniform, the formaldehyde gas and low-concentration formaldehyde are mixed more thoroughly, the efficiency of mixing to obtain formaldehyde with proper concentration is effectively accelerated, in the using process, if the dispersion pipe 15 breaks down, the second connecting pipe 17 can be detached through the reverse rotation fixing bolt 21, when in installation, the installation block 20 is only required to be aligned with the installation groove 19, then the installation block 20 is inserted into the installation groove 19 for preliminary fixing, and finally the reverse rotation fixing bolt 21 enables the fixing bolt 21 to be clamped in the fixing groove 22, carry out final fixed, effectual step of simplifying the dismouting like this is convenient for shorten maintenance personal's maintenance duration, the effectual firm degree that has improved the monolithic connection simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a formaldehyde absorption tower, includes tower body (1) and unable adjustment base (2), its characterized in that: the improved tower is characterized in that a discharge port (3) is formed in one side of the bottom of the tower body (1), a tail gas discharge port (4) is formed in the top of the tower body (1), a servo motor (5) is fixedly mounted on one side, away from the discharge port (3), of the bottom of the tower body (1), a rotary column (6) is rotatably arranged at the bottom of the inner side of the tower body (1), an output end of the servo motor (5) is fixedly connected with the rotary column (6), an air feeding channel (7) is formed inside the rotary column (6), a formaldehyde gas pipe (8) is connected to the outer side of the tower body (1), the formaldehyde gas pipe (8) is rotatably connected with the air feeding channel (7) through a rotary sealing ring, a dispersion plate (9) is fixedly mounted on the outer side of the rotary column (6), an air injection through hole (10) is formed in the surfaces of the dispersion plate, the tower body (1) inboard top fixed mounting has hollow metal pipe (13), tower body (1) outside top is provided with low concentration formaldehyde pipe (12), low concentration formaldehyde pipe (12) and hollow metal pipe (13) intercommunication.

2. The formaldehyde absorption tower of claim 1, wherein: a cavity (14) is formed in the dispersion plate (9), and the cavity (14) is communicated with the air feeding channel (7).

3. The formaldehyde absorption tower of claim 1, wherein: the packing layer (11) is a metal wire mesh packing layer, and the surface of the packing layer (11) is coated with an antirust agent.

4. The formaldehyde absorption tower of claim 1, wherein: and a dispersion pipe (15) is fixedly arranged on the outer side of the hollow metal pipe (13), and the dispersion pipe (15) is communicated with the hollow metal pipe (13).

5. The formaldehyde absorption tower of claim 4, wherein: the dispersion pipe (15) comprises a first connecting pipe (16) and a second connecting pipe (17), and liquid spraying holes (18) are formed in the surfaces of the first connecting pipe (16), the second connecting pipe (17) and the hollow metal pipe (13).

6. The formaldehyde absorption tower of claim 5, wherein: an installation groove (19) is formed in the top of the first connecting pipe (16), and an installation block (20) matched with the installation groove (19) is arranged at one end of the second connecting pipe (17).

7. The formaldehyde absorption tower of claim 6, wherein: fixing bolts (21) are installed on the outer side of the installation groove (19) through threads, and fixing grooves (22) matched with the fixing bolts (21) are formed in the outer side surface of the installation block (20).