CN209630916U - By-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production - Google Patents
By-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production Download PDFInfo
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- CN209630916U CN209630916U CN201821917474.2U CN201821917474U CN209630916U CN 209630916 U CN209630916 U CN 209630916U CN 201821917474 U CN201821917474 U CN 201821917474U CN 209630916 U CN209630916 U CN 209630916U
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Abstract
The utility model relates to by-product sulfuric acid entrucking waste gas treatment devices in a kind of chlor-alkali production, including dilute sulfuric acid storage tank, acid mist eliminator and absorption tower, the bottom of dilute sulfuric acid storage tank is equipped with outlet end mouth, the top of dilute sulfuric acid storage tank is equipped with tail gas port, one end of the fixed connection dilute sulfuric acid entrucking pipe of the outlet end mouth of dilute sulfuric acid storage tank, dilute sulfuric acid entrucking pipe are equipped with delivery pump；Acid mist eliminator is equipped with above dilute sulfuric acid storage tank, the lower part of acid mist eliminator is equipped with the first acid mist trapping port and the second acid mist traps port, the first acid mist trapping port of acid mist eliminator is connected to the tail gas port of dilute sulfuric acid storage tank by dilute sulfuric acid offgas duct, one end of the second acid mist trapping port connection entrucking acid mist trap tube of acid mist eliminator；Absorption tower middle and lower part is equipped with inlet air port, and the top of acid mist eliminator is equipped with outlet port, and the outlet port of acid mist eliminator is connected to the inlet air port on absorption tower by induced duct.
Description
Technical field
The utility model relates to by-product sulfuric acid in chlor-alkali production tail gas disposal technique field more particularly to a kind of chlor-alkali production
Entrucking waste gas treatment device.
Background technique
In chlor-alkali production, dry chlorine device is dried the chlorine produced by the concentrated sulfuric acid, 70% or so dilute sulphur
Acid is the byproduct of generation during dry chlorine, due to absorbing the moisture and a small amount of chlorine of chlorine during dry chlorine
Gas enters dilute sulfuric acid in storage tank vehicle 21 since storage tank and storage tank vehicle 21 are opening during storing and transporting by-product sulfuric acid
While, it is dissolved in a small amount of chlorine therein and has part evolution.On the one hand the evolution of chlorine is a greatly pollution to environment；
On the other hand it causes damages to the occupational health of operating personnel, therefore the exhaust gas for administering by-product sulfuric acid transport process is particularly important.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides by-product sulfuric acid entrucking waste gas pollution control and treatment in a kind of chlor-alkali production
Device, to solve at least one of above-mentioned technical problem.
The technical solution that the utility model solves above-mentioned technical problem is as follows:
By-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production, including dilute sulfuric acid storage tank, acid mist eliminator and suction
Tower is received, the bottom of the dilute sulfuric acid storage tank is equipped with outlet end mouth, and the top of the dilute sulfuric acid storage tank is equipped with tail gas port, described dilute
One end of the fixed connection dilute sulfuric acid entrucking pipe of the outlet end mouth of sulfuric acid storage tank, the dilute sulfuric acid entrucking pipe are equipped with delivery pump；
The acid mist eliminator is equipped with above the dilute sulfuric acid storage tank, the lower part of the acid mist eliminator is equipped with the first acid mist
It traps port and the second acid mist traps port, the first acid mist trapping port and the dilute sulfuric acid storage tank of the acid mist eliminator
Tail gas port is connected to by dilute sulfuric acid offgas duct, the second acid mist trapping port connection entrucking acid mist trapping of the acid mist eliminator
One end of pipe；
The absorption tower middle and lower part is equipped with inlet air port, is equipped with outlet port at the top of the acid mist eliminator, described
The outlet port of acid mist eliminator is connected to the inlet air port on the absorption tower by induced duct, is fixed on the induced duct
Air-introduced machine A；
The top on the absorption tower is equipped with evacuated tube, and one end of the evacuated tube is connected to the top on the absorption tower.
The beneficial effects of the utility model are: entrucking acid mist is caught in the utility model when by dilute sulfuric acid entrucking
The free end of collector is placed on wagon spout, and the acid mist generated when by air-introduced machine by entrucking is transported to after absorption tower handled
Emptying, and the tail gas of entrucking acid mist trap tube and dilute sulfuric acid storage tank is imitated with the use that device can be improved with a set of processing equipment
Rate；The tail gas of the dilute sulfuric acid offgas duct of entrucking acid mist trap tube and dilute sulfuric acid storage tank conveying passes through acid mist eliminator and traps
Processing reduces the sulphuric acid mist content in tail gas, reduces the loss of absorbing liquid when absorption tower is handled and reduces replacement absorbing liquid
Frequency, the liquid acid mist that acid mist eliminator traps, which may return in dilute sulfuric acid storage tank, to be further processed.
Based on the above technical solution, the utility model can also do following improvement.
Further, there are two the delivery pump is set, two delivery pumps are juxtaposed on the dilute sulfuric acid entrucking pipe.
Beneficial effect using above-mentioned further scheme is: a circulating pump in two circulating pumps can be used as spare place
Reason, while flow is larger when can make dilute sulfuric acid entrucking by two delivery pumps, saves loading time and reduces entrucking
When loss acid mist amount.
It further, further include circulation pipe, one end of the circulation pipe is connected to the bottom on the absorption tower, the circulation pipe
The other end be connected to the top on the absorption tower；The pipeline of the circulation pipe is equipped with circulating pump.
Beneficial effect using above-mentioned further scheme is: the absorbing liquid in absorption tower is transported to absorption tower by circulating pump
Tower top can effectively improve the utilization rate of absorbing liquid then by the acid mist spray-absorption in tail gas.
Further, it is connected on the circulation pipe on the top on the circulating pump and the absorption tower and is additionally provided with heat exchanger.
Beneficial effect using above-mentioned further scheme is: the acid in acid mist can be put when absorption by alkaline absorption solution
Heat can cause certain damage when temperature is higher in absorption tower, no if heat cannot timely scatter and disappear to absorption tower
Conducive to the long-time service on absorption tower, when the absorbing liquid cooling for entering absorption tower tower top can be prevented acid-base neutralization reaction by heat exchanger
Very exothermic, and evaporate the moisture of absorbing liquid and be drained with tail gas.
Further, the absorption tower is equipped with the liquidometer for detecting the liquid level in the absorption tower.
Beneficial effect using above-mentioned further scheme is: liquidometer can reflect the liquid level feelings of absorbing liquid in absorption tower
Condition timely understands the level condition of the absorbing liquid in absorption tower convenient for operator, handles in time.
Further, air-introduced machine B is additionally provided on the pipeline of the evacuated tube.
Beneficial effect using above-mentioned further scheme is: air-introduced machine B is connected on the side of entire exhaust gas flow with air-introduced machine A
Upwards, being capable of providing bigger power flows tail gas according to process orientation, prevents vent gas treatment in the process because of the resistance of equipment
Power that is larger and making air-introduced machine A increases, and reduces the working life of air-introduced machine A.
Further, valve is respectively equipped on the circulation pipe, dilute sulfuric acid entrucking pipe and entrucking acid mist trap tube.
Beneficial effect using above-mentioned further scheme is: valve be arranged on pipeline can in order to operator open or
It blinds off a line, prevents unnecessary acid mist to scatter and disappear and pollute environment in the work environment.
Detailed description of the invention
Fig. 1 is the process flow chart of the most preferred embodiment of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, dilute sulfuric acid storage tank, 2, delivery pump, 3, dilute sulfuric acid entrucking pipe, 4, entrucking acid mist trap tube, 5, dilute sulfuric acid offgas duct,
6, acid mist eliminator, 7, air-introduced machine A, 8, induced duct, 9, circulating pump, 10, heat exchanger, 11, absorption tower, 12, evacuated tube, 13, draw
Blower B, 14, liquidometer, 15, circulation pipe, 16, valve, 17, liquid alkaline fill into pipe, 18, production water fill into pipe, 19, be recycled into water
Pipe, 20, recycling outlet, 21, storage tank vehicle.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, the utility model includes dilute sulfuric acid storage tank 1, acid mist eliminator 6 and absorption tower 11, dilute sulfuric acid storage tank 1
Bottom be equipped with outlet end mouth, the top of dilute sulfuric acid storage tank 1 is equipped with tail gas port, and the outlet end mouth of dilute sulfuric acid storage tank 1 is fixed to be connected
One end of logical dilute sulfuric acid entrucking pipe 3, dilute sulfuric acid entrucking pipe 3 are equipped with delivery pump 2；There are two delivery pump 2 is set, two delivery pumps 2
It is juxtaposed on dilute sulfuric acid entrucking pipe 3.
It is equipped with acid mist eliminator 6 above dilute sulfuric acid storage tank 1, is equipped with the first acid mist in the lower part of acid mist eliminator 6 and traps end
Mouth and the second acid mist trap port, and the first acid mist trapping port of acid mist eliminator 6 and the tail gas port of dilute sulfuric acid storage tank 1 pass through
Dilute sulfuric acid offgas duct 5 is connected to, one end of the second trapping end connection entrucking acid mist trap tube 4 of acid mist eliminator 6.
11 middle and lower part of absorption tower is equipped with inlet air port, and the top of acid mist eliminator 6 is equipped with outlet port, acid mist eliminator 6
Outlet port and the inlet air port on absorption tower 11 be connected to by induced duct 8, air-introduced machine A7 is fixed on induced duct 8.
The top on absorption tower 11 is equipped with evacuated tube 12, and one end of evacuated tube 12 is connected to the top on absorption tower 11；Absorption tower
11 sides are equipped with circulation pipe 15, and one end of circulation pipe 15 is connected to the side bottom on absorption tower 11, the other end of circulation pipe 15 and absorption
The upper lateral part of tower 11 is connected to；The pipeline of circulation pipe 15 is equipped with circulating pump 9；It is additionally provided on the circulation pipe 15 of the outlet of circulating pump 9
Heat exchanger 10, heat exchanger 10 are plate heat exchanger, and circulation water inlet pipe 19 and cyclic water outlet have been respectively fixedly connected on heat exchanger 10
Pipe 20 will enter its internal circulation fluid formation convection current with circulating pump 9 by industrial circulating water and absorbing liquid will cool down, recycle
It is additionally provided with a valve 16 on pipe 15 to be set side by side with heat exchanger 10, needs to close valve when cooling using heat exchanger 10
16, absorbing liquid is after the cooling of heat exchanger 10 by 11 inner top spray-absorption tail gas of absorption tower；11 1 side bottom of absorption tower is also set
There is liquidometer 14；Air-introduced machine B13 is additionally provided on the pipeline of evacuated tube 12.
Further respectively have that liquid alkaline fills into mouth and production water fills into mouth in the middle part of absorption tower 11, liquid alkaline fills into mouth and is communicated with liquid alkaline benefit
Enter pipe 17, production water, which fills into mouth and is communicated with production water, fills into pipe 18, for filling into 32% caustic soda and production into absorption tower 11
Water makes the liquid alkaline of 17% content of absorbing liquid in absorption tower 11, i.e., first squeezes into a certain amount of 32% caustic soda in absorption tower 11
Filling into production water again makes the liquid alkaline of absorbing liquid 17%.
The front and back for following bad pump 9 on circulation pipe 15 is equipped with two delivery pumps 2 of a valve 16, dilute sulfuric acid entrucking pipe 3
Front and back be all provided with that there are two be respectively equipped with a valve 16, and dilute sulfuric acid entrucking pipe 3 on valve 16 and entrucking acid mist trap tube 4
The one end connecting with the outlet end mouth of dilute sulfuric acid storage tank 1 also is provided with valve 16.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. by-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production, which is characterized in that including dilute sulfuric acid storage tank (1), acid
The bottom of mist trap (6) and absorption tower (11), the dilute sulfuric acid storage tank (1) is equipped with outlet end mouth, the dilute sulfuric acid storage tank (1)
Top be equipped with tail gas port, one end of fixed connection dilute sulfuric acid entrucking pipe (3) of the outlet end mouth of the dilute sulfuric acid storage tank (1),
The dilute sulfuric acid entrucking pipe (3) is equipped with delivery pump (2)；
The acid mist eliminator (6) are equipped with above the dilute sulfuric acid storage tank (1), the lower part of the acid mist eliminator (6) is equipped with the
One acid mist traps port and the second acid mist and traps port, the first acid mist trapping port of the acid mist eliminator (6) with it is described dilute
The tail gas port of sulfuric acid storage tank (1) is connected to by dilute sulfuric acid offgas duct (5), the second acid mist trapping of the acid mist eliminator (6)
Port is connected to the one end of entrucking acid mist trap tube (4)；
Absorption tower (11) middle and lower part is equipped with inlet air port, and the top of the acid mist eliminator (6) is equipped with outlet port, described
The outlet port of acid mist eliminator (6) is connected to the inlet air port of the absorption tower (11) by induced duct (8), the induced duct
(8) air-introduced machine A (7) are fixed on；
The top of the absorption tower (11) is equipped with evacuated tube (12), one end and the absorption tower (11) of the evacuated tube (12)
Top connection.
2. by-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production according to claim 1, which is characterized in that institute
It states there are two delivery pump (2) sets, two delivery pumps (2) are juxtaposed on the dilute sulfuric acid entrucking pipe (3).
3. by-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production according to claim 1, which is characterized in that also
Including circulation pipe (15), one end of the circulation pipe (15) is connected to the bottom of the absorption tower (11), the circulation pipe (15)
The other end be connected to the top of the absorption tower (11)；The pipeline of the circulation pipe (15) is equipped with circulating pump (9).
4. by-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production according to claim 3, which is characterized in that even
Lead on the circulation pipe (15) on the top of the circulating pump (9) and the absorption tower (11) and is additionally provided with heat exchanger (10).
5. by-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production according to claim 3, which is characterized in that institute
Absorption tower (11) are stated equipped with the liquidometer (14) for detecting the liquid level in the absorption tower (11).
6. by-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production according to claim 1, which is characterized in that institute
It states and is additionally provided with air-introduced machine B (13) on the pipeline of evacuated tube (12).
7. by-product sulfuric acid entrucking waste gas treatment device, feature exist in a kind of chlor-alkali production according to claim 4 or 5
In being respectively equipped with valve (16) on the circulation pipe (15), dilute sulfuric acid entrucking pipe (3) and entrucking acid mist trap tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821917474.2U CN209630916U (en) | 2018-11-20 | 2018-11-20 | By-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821917474.2U CN209630916U (en) | 2018-11-20 | 2018-11-20 | By-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production |
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| Publication Number | Publication Date |
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| CN209630916U true CN209630916U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821917474.2U Active CN209630916U (en) | 2018-11-20 | 2018-11-20 | By-product sulfuric acid entrucking waste gas treatment device in a kind of chlor-alkali production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146561A (en) * | 2021-12-03 | 2022-03-08 | 内蒙古君正化工有限责任公司 | Chemical acid waste gas recovery treatment device |
-
2018
- 2018-11-20 CN CN201821917474.2U patent/CN209630916U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146561A (en) * | 2021-12-03 | 2022-03-08 | 内蒙古君正化工有限责任公司 | Chemical acid waste gas recovery treatment device |
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