CN207745702U - A kind of tail gas pickling tower prepared by H acid monosodium salt - Google Patents
A kind of tail gas pickling tower prepared by H acid monosodium salt Download PDFInfo
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- CN207745702U CN207745702U CN201721616573.2U CN201721616573U CN207745702U CN 207745702 U CN207745702 U CN 207745702U CN 201721616573 U CN201721616573 U CN 201721616573U CN 207745702 U CN207745702 U CN 207745702U
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- tower body
- tail gas
- pipe
- tower
- inlet pipe
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Abstract
The utility model provides a kind of tail gas pickling tower prepared by H acid monosodium salt, more particularly to technical field of waste gas treatment, including the lower tower body being distributed from bottom to top, intermediate tower body and upper tower body, it is equipped with exhaust pipe at the top of the upper tower body, packing layer is equipped in the upper tower body, described filler layer is equipped with acid solution inlet pipe, the lower tower body bottom is equipped with air inlet pipe and drain pipe, the lower tower body centre position is equipped with water inlet pipe, the lower tower body inner top is equipped with even gas distribution plate, the even gas distribution plate surrounding is fixed in the lower tower body inner wall, the even gas distribution plate is equipped with several equally distributed stepped holes.There is the utility model tail gas to enter diffusion evenly, handle more thorough, the more environmentally friendly advantage of exhaust emissions.
Description
Technical field
The utility model belongs to technical field of waste gas treatment, and in particular to a kind of tail gas pickling tower prepared by H acid monosodium salt.
Background technology
It needs to carry out nitration reaction in H acid monosodium salt preparation process, nitration reaction post-processing is needed to carry out denitration neutralization, be taken off
In nitre and needing that ammonium hydroxide is added, ammonia is volatile, and the tail gas after post-processing is made to contain ammonia, needs to be absorbed with pickling tower,
Existing pickling tower gas is unevenly distributed, and gas cannot come into full contact with acid solution, and reaction is insufficient.
A kind of pickling tower (application No. is 201420547431.5) of patent, discloses a kind of pickling tower, including pickling tower sheet
Body, pickling tower ontology include upper section tower, lower section tower and tower reactor, and upper Jie Tanei is equipped with random packing layer, and lower Jie Tanei is equipped with eddy flow
Tower plate structure；Upper section tower top is equipped with acid inlet, and upper section top of tower is equipped with gas outlet, and lower section tower lower part is equipped with air inlet, upper section
Recycle acid mouth is equipped between tower and lower section tower, tower reactor bottom is equipped with acid mouth；Rotating stream tray structure includes left-handed flow structure and the right side
Cyclone structure, left-handed flow structure include the left rotating stream tray that several are mutually parallel, and dextrorotation flow structure includes that several are mutually flat
Capable right rotating stream tray, left rotating stream tray and right rotating stream tray cross-cutting distribution.The utility model has taken into account stuffing washing tower
It the advantages of with column plate scrubbing tower, that is, ensure that the effect of washing, also overcome the extremely susceptible to plugging defect of existing packed tower, reduce
The amount of hydrochloric acid needed for washing, greatly reduces the workload being subsequently separated by solid-liquid separation.However utility model tail gas entrance point
Cloth is uneven, keeps it insufficient contact with acid solution.
Therefore, it is badly in need of a kind of tail gas and enters diffusion evenly, handles more thorough, the more environmentally friendly H acid monosodium salt of exhaust emissions
The tail gas pickling tower of preparation.
Utility model content
It is unevenly distributed to solve existing pickling tower gas, gas cannot come into full contact with acid solution, react insufficient
Problem, the purpose of this utility model are to provide a kind of tail gas pickling tower prepared by H acid monosodium salt, there is tail gas to enter diffusion more equal
It is even, handle more thorough, the more environmentally friendly advantage of exhaust emissions.
The utility model provides the following technical solution：
Tail gas pickling tower prepared by a kind of H acid monosodium salt, including the lower tower body, intermediate tower body and the upper tower that are distributed from bottom to top
Body, the upper tower body top are equipped with exhaust pipe, packing layer are equipped in the upper tower body, and described filler layer is equipped with acid solution inlet pipe,
The lower tower body bottom is equipped with air inlet pipe and drain pipe, and the lower tower body centre position is equipped with water inlet pipe, is pushed up in the lower tower body
Portion is equipped with even gas distribution plate, and the even gas distribution plate surrounding is fixed in the lower tower body inner wall, is set on the even gas distribution plate
There are several equally distributed stepped holes.
Ammonia is soluble easily in water, and the setting of the water inlet pipe can make tail gas be first dissolved in a part, undissolved ammonia in water
It is risen in the intermediate tower body and the upper tower body by the even gas distribution plate and is sufficiently mixed absorption, the gas with acid solution
Uniform board can increase the diffusion uniformity of gas, keep processing more thorough.
Preferably, the stepped hole includes the circular hole and bellmouth being connected from top to bottom.The setting of the stepped hole can
So that the acid solution after absorption tail gas is entered in the lower tower body, then flowed out from the drain pipe, the ammonia not being only absorbed by the water can be from
The stepped hole rises in the intermediate tower body and the upper tower body.
Preferably, one end of the air inlet pipe is equipped with the second coil pipe being connected with the air inlet pipe, second coil pipe
Lower surface be additionally provided with coupled logical several second branch pipes.Open Side Down for second branch pipe, and ammonia can be made as molten as possible
Yu Shui.
Preferably, strainer is additionally provided in the air inlet pipe, the strainer is fixed on the cross section of the air inlet pipe.It is described
The setting of strainer is primarily to filter the impurity in tail gas.
Preferably, it is equipped with several left rotating stream tray being mutually parallel in the inter-chamber tower body, is also set in the inter-chamber tower body
There are several right rotating stream tray being mutually parallel, the left rotating stream tray and the right rotating stream tray to be each attached to the intermediate tower body
On inner wall.Described filler layer is set in the upper tower body, the left rotating stream tray and described is equipped in the inter-chamber tower body
Right rotating stream tray, that is, ensure that the effect of washing, also overcome existing the advantages of having taken into account stuffing washing tower and column plate scrubbing tower
The extremely susceptible to plugging defect of packed tower, reduce washing needed for acid solution amount.
Preferably, one end of the acid solution inlet pipe is also associated with the first coil pipe in the upper tower body, and described first
Coil pipe is equipped with several first branch pipes communicated therewith, and one end of first branch pipe is connected with nozzle.The setting of the nozzle
Make acid solution spray evenly, improves the efficiency for absorbing tail gas.
Preferably, spongy layer and demister are additionally provided in the upper tower body from bottom to top, the spongy layer is located at described the
Above one coil pipe, the spongy layer and the demister are each attached in the upper tower body inner wall.It the spongy layer and described removes
The tail gas after absorption can be dried in day with fog, keep exhaust emissions more environmentally friendly.
The utility model has the beneficial effects that：
1, ammonia is soluble easily in water, and the setting of water inlet pipe can make tail gas be first dissolved in a part in water, undissolved ammonia warp
It crosses even gas distribution plate and rises in intermediate tower body and upper tower body and be sufficiently mixed absorption with acid solution, even gas distribution plate can increase gas
Diffusion uniformity keeps processing more thorough.
2, the setting of stepped hole can be such that the acid solution after absorption tail gas enters in lower tower body, then be flowed out from drain pipe, not by water
The ammonia absorbed can rise in intermediate tower body and upper tower body from stepped hole.
3, packing layer is set in upper tower body, left rotating stream tray and right rotating stream tray is equipped in inter-chamber tower body, is taken into account
It the advantages of stuffing washing tower and column plate scrubbing tower, that is, ensure that the effect of washing, also overcome existing packed tower and easily block
Defect, reduce washing needed for acid solution amount.
4, the tail gas after absorption can be dried in spongy layer and demister, keep exhaust emissions more environmentally friendly.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the utility model structure diagram；
In figure label for：1, lower tower body；2, intermediate tower body；21, left rotating stream tray；22, right rotating stream tray；3, upper tower body；
31, packing layer；4, acid solution inlet pipe；41, the first coil pipe；42, the first branch pipe；43, nozzle；5, air inlet pipe；51, the second coil pipe；
511, the second branch pipe；52, strainer；6, exhaust pipe；7, water inlet pipe；8, drain pipe；9, even gas distribution plate；91, stepped hole；911, circle
Hole；912, bellmouth；10, spongy layer；11, demister.
Specific implementation mode
Specific embodiment of the present utility model is described below in conjunction with the accompanying drawings.
As shown in Figure 1, tail gas pickling tower prepared by a kind of H acid monosodium salt, including be distributed from bottom to top lower tower body 1, in
Between tower body 2 and upper tower body 3, the top of upper tower body 3 is equipped with exhaust pipe 6, is equipped with packing layer 31 in upper tower body 3, packing layer 31 is equipped with
Acid solution inlet pipe 4, lower 1 bottom of tower body are equipped with air inlet pipe 5 and drain pipe 8, and lower 1 centre position of tower body is equipped with water inlet pipe 7, lower tower body 1
Inner top is equipped with even gas distribution plate 9, and 9 surrounding of even gas distribution plate is fixed on 1 inner wall of lower tower body, and even gas distribution plate 9 can increase gas
The diffusion uniformity of body, even gas distribution plate 9 are equipped with several equally distributed stepped holes 91, and stepped hole 91 includes phase from top to bottom
The circular hole 911 and bellmouth 912 of connection.
Specifically, one end of air inlet pipe 5 is equipped with the second coil pipe 51 being connected with air inlet pipe 5, the following table of the second coil pipe 51
Face is additionally provided with coupled logical several second branch pipes 511；Strainer 52 is additionally provided in air inlet pipe 5, strainer 52 is fixed on air inlet pipe 5
Cross section on, strainer 52 may filter that the impurity in tail gas.
Specifically, several left rotating stream tray 21 being mutually parallel are equipped in intermediate tower body 2, if being additionally provided in intermediate tower body 2
The dry right rotating stream tray 22 being mutually parallel, left rotating stream tray 21 and right rotating stream tray 22 are each attached on 2 inner wall of intermediate tower body, simultaneous
The advantages of having cared for stuffing washing tower and column plate scrubbing tower, that is, ensure that the effect of washing, and it is easily stifled to also overcome existing packed tower
The defect of plug reduces the amount of the acid solution needed for washing.
Specifically, one end of acid solution inlet pipe 4 is also associated with the first coil pipe 41 in upper tower body 1, on the first coil pipe 41
Equipped with several first branch pipes 42 communicated therewith, one end of the first branch pipe 42 is connected with nozzle 43；In upper tower body 1 from bottom to top also
Equipped with spongy layer 10 and demister 11, spongy layer 10 is located at 41 top of the first coil pipe, and spongy layer 10 and demister 11 are each attached to
On 1 inner wall of upper tower body, the tail gas after absorption can be dried in spongy layer 10 and demister 11, keep exhaust emissions more environmentally friendly.
Utility model works mode：It before tail gas enters pickling tower, first passes through water inlet pipe 7 and is passed through water, keep water height high
In the second coil pipe 51, it is less than even gas distribution plate 9, tail gas is entered through air inlet pipe 5 in water, is not dissolved in the ammonia of water through even gas distribution
Plate 9 rises, and acid solution enters through acid solution inlet pipe 4 in upper tower body 3, then through 43 landing of nozzle, tail gas and acid solution are in upper tower body 3 and centre
Absorption is sufficiently mixed in tower body 2, treated tail gas is dried by spongy layer 10 and demister 11, then from 6 row of exhaust pipe
Go out, treated, and waste liquid is flowed out from drain pipe 8.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this practicality
Within novel protection domain.
Claims (7)
1. tail gas pickling tower prepared by a kind of H acid monosodium salt, including the lower tower body, intermediate tower body and the upper tower that are distributed from bottom to top
Body, the upper tower body top are equipped with exhaust pipe, packing layer are equipped in the upper tower body, and described filler layer is equipped with acid solution inlet pipe,
The lower tower body bottom is equipped with air inlet pipe and drain pipe, which is characterized in that the lower tower body centre position is equipped with water inlet pipe, described
Lower tower body inner top is equipped with even gas distribution plate, and the even gas distribution plate surrounding is fixed in the lower tower body inner wall, the gas
Uniform board is equipped with several equally distributed stepped holes.
2. tail gas pickling tower prepared by a kind of H acid monosodium salt according to claim 1, which is characterized in that the stepped hole
Including the circular hole and bellmouth being connected from top to bottom.
3. tail gas pickling tower prepared by a kind of H acid monosodium salt according to claim 1, which is characterized in that the air inlet pipe
One end be equipped with the second coil pipe for being connected with the air inlet pipe, the lower surface of second coil pipe is additionally provided with coupled logical
Several second branch pipes.
4. tail gas pickling tower prepared by a kind of H acid monosodium salt according to claim 1, which is characterized in that the air inlet pipe
It is inside additionally provided with strainer, the strainer is fixed on the cross section of the air inlet pipe.
5. tail gas pickling tower prepared by a kind of H acid monosodium salt according to claim 1, which is characterized in that the inter-chamber tower
It is equipped with several left rotating stream tray being mutually parallel in vivo, several dextrorotation stream towers being mutually parallel are additionally provided in the inter-chamber tower body
Plate, the left rotating stream tray and the right rotating stream tray are each attached in the intermediate tower body inner wall.
6. tail gas pickling tower prepared by a kind of H acid monosodium salt according to claim 1, which is characterized in that the acid solution into
One end of pipe is also associated with the first coil pipe in the upper tower body, and first coil pipe is equipped with several the communicated therewith
One end of one branch pipe, first branch pipe is connected with nozzle.
7. tail gas pickling tower prepared by a kind of H acid monosodium salt according to claim 6, which is characterized in that the upper tower body
It is inside additionally provided with spongy layer and demister from bottom to top, the spongy layer is located above first coil pipe, the spongy layer and institute
Demister is stated to be each attached in the upper tower body inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616573.2U CN207745702U (en) | 2017-11-28 | 2017-11-28 | A kind of tail gas pickling tower prepared by H acid monosodium salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616573.2U CN207745702U (en) | 2017-11-28 | 2017-11-28 | A kind of tail gas pickling tower prepared by H acid monosodium salt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207745702U true CN207745702U (en) | 2018-08-21 |
Family
ID=63148293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721616573.2U Expired - Fee Related CN207745702U (en) | 2017-11-28 | 2017-11-28 | A kind of tail gas pickling tower prepared by H acid monosodium salt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207745702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559828A (en) * | 2019-09-06 | 2019-12-13 | 天津大学 | Small tail gas absorption and deodorization device for sludge composting tail gas treatment |
| RU2757777C1 (en) * | 2021-04-21 | 2021-10-21 | федеральное государственное автономное образовательное учреждение высшего образования «Национальный исследовательский Томский политехнический университет» | Gas drying absorber |
-
2017
- 2017-11-28 CN CN201721616573.2U patent/CN207745702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559828A (en) * | 2019-09-06 | 2019-12-13 | 天津大学 | Small tail gas absorption and deodorization device for sludge composting tail gas treatment |
| RU2757777C1 (en) * | 2021-04-21 | 2021-10-21 | федеральное государственное автономное образовательное учреждение высшего образования «Национальный исследовательский Томский политехнический университет» | Gas drying absorber |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20181128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |