CN206793388U - A kind of SO 2 tail gas absorption treating device - Google Patents
A kind of SO 2 tail gas absorption treating device Download PDFInfo
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- CN206793388U CN206793388U CN201720651122.6U CN201720651122U CN206793388U CN 206793388 U CN206793388 U CN 206793388U CN 201720651122 U CN201720651122 U CN 201720651122U CN 206793388 U CN206793388 U CN 206793388U
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- tail gas
- treating device
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- absorption tower
- tank
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Abstract
A kind of SO 2 tail gas absorption treating device is the utility model is related to, belongs to chemical industry equipment and environmental technology field, it includes：Absorption tower, circulating pump, absorb liquid storage tank, condensing crystallizing kettle, centrifuge, mother liquor transfer tank; a kind of SO 2 tail gas absorption treating device described in the utility model can effectively absorb SO 2 tail gas caused by process for producing workshop and change into available sodium sulfite; this is not only favourable to environmental protection, while can also produce certain economic benefit.
Description
Technical field
The utility model category chemical industry equipment and technology for absorbing tail gas field, at more particularly to a kind of SO 2 tail gas absorption
Manage device.
Background technology
Sulfur dioxide is colourless, toxic gas, there is intense irritation smell, and density is heavier than air, and sulfur dioxide is basic
Industrial chemicals, extensively using chemical industry, medicine, metallurgy, the industry such as papermaking.
When controlling proper, many working substances can be obtained using sulfur dioxide, the larger wealth of society can be created, are controlled
Not at that time, the slight leakage of sulfur dioxide will pollute to atmospheric environment, and production to us, that life is brought is unfavorable.
For caused SO 2 tail gas in chemical process, we will have the processing method of science, should control
This part SO 2 tail gas is absorbed, while absorbing liquid is changed into the suitable material that we use again, so not only to ring
Border is favourable, while can also create certain economic benefit.
For object above, the technical solution of the utility model devise a kind of SO 2 tail gas absorption treating device and
Processing method is absorbed, this apparatus and method can thoroughly absorb caused SO 2 tail gas in processing production process, simultaneously
Also absorbing liquid is changed into the sodium sulfite crystal of our needs.
The content of the invention
The technical solution of the utility model discloses a kind of SO 2 tail gas absorption treating device, and this device can be thorough
Bottom absorbs caused SO 2 tail gas in processing production process, while absorbing liquid can also be changed into the sulfurous acid of our needs
Sodium crystal, atmospheric environment is not only protected, but also create certain economic benefit.
A kind of SO 2 tail gas absorption treating device of technical solutions of the utility model, it includes：SO 2 tail gas
Pipeline, absorption tower, circulating pump, absorption liquid storage tank, condensing crystallizing kettle, centrifuge, mother liquor transfer tank, it is characterized in that, sulfur dioxide
Exhaust pipe is connected to absorption tower bottom, absorbs liquid storage tank and is connected by circulating pump with absorption tower top, absorbing liquid is from top to bottom
Spray completes absorbing reaction process with SO 2 tail gas from bottom to top, absorbs liquid storage tank and passes through circulating pump, saturated absorption liquid
Pipeline is connected with condensing crystallizing kettle, and condensing crystallizing kettle bottom is connected to centrifuge, mother liquor transfer tank, and mother liquor transfer tank is again in
Turn pump to be connected with condensing crystallizing tank top.
Preferably, a kind of SO 2 tail gas absorption treating device described in technical solutions of the utility model, it is characterized in that,
Described absorption tower is PP materials, height 2-8m, diameter 0.4-1.2m, absorption tower built with spherical PE fillers or ripple packing,
In actual moving process, 1-6 platforms absorption tower is in series the combination of absorption tower.
Preferably, a kind of SO 2 tail gas absorption treating device described in technical solutions of the utility model, it is characterized in that,
Described absorption liquid storage tank is glass steel material, volume 3.0-5.0m3。
Preferably, a kind of SO 2 tail gas absorption treating device described in technical solutions of the utility model, it is characterized in that,
Described circulating pump is acid redidting centrifugal pump, lift 12-21m.
Preferably, a kind of SO 2 tail gas absorption treating device described in technical solutions of the utility model, it is characterized in that,
Described condensing crystallizing kettle is enamel material, and chuck is connected to steam heating and cold water cooling pipeline, and its bottom valve aperture is
150-250mm, its volume are 3.0-5.0m3。
Brief description of the drawings
Fig. 1 is a kind of SO 2 tail gas absorption treating device schematic diagram of the utility model embodiment.
Embodiment
To make device of the present utility model, technical scheme clearly express, below in conjunction with the accompanying drawings to the utility model
Carry out in detail, be fully described by that is obvious, described embodiment is part of the embodiment of the present utility model, and not all.
A kind of SO 2 tail gas absorption treating device of present embodiment embodiment, it is characterised in that it includes：
SO 2 tail gas pipe 1, tail gas tower entrance 2, absorption tower 3, first order absorption liquid storage tank 4, circulating pump 5, absorbing liquid tower entrance 6, two
Secondary offgas outlet 7, visor 8, secondary offgas duct 9, final stage absorb liquid storage tank 10, shifting pump 11, new lye import 12, control valve
13rd, control valve 14, absorbing liquid transfer pipe 15, condensing crystallizing kettle 16, baiting valve 17, centrifuge 18, mother liquor transfer tank 19, mother liquor turn
Move pump 20, evaporation tube 21.
A kind of course of work of SO 2 tail gas absorption treating device of present embodiment embodiment be it is such,
Titanium dioxide comb tail gas enters absorption tower 3 by offgas duct 1, tail gas tower entrance 2 as caused by workshop, from bottom of towe to moving up
It is dynamic；In the presence of circulating pump 5, alkaline absorption solution is sent to the top on absorption tower 3 from liquid storage tank 4 is absorbed, and is sprayed downwards from tower top
Leaching, top-down alkaline absorption solution crosses with SO 2 tail gas from bottom to top in absorption tower 3 completes absorbing reaction；When
When middle control absorbing liquid pH value reaches 7-8, absorbing liquid is set to enter along saturated absorption liquid transfer pipe 15 by switching control valve 13 and 14
Enter condensing crystallizing kettle 16, through being concentrated by evaporation and crystallizing, divide 3-6 times and be put into the progress solid- liquid separation of centrifuge 18, obtain arrival sodium sulphate
Crystal, centrifuge mother liquor flow into mother liquor transfer tank 19, when mother liquor reaches a certain amount of, condensing crystallizing are transferred to by mother liquor shifting pump 20
Kettle concentrated again, is crystallized and solid- liquid separation.
A kind of working effect of SO 2 tail gas absorption treating device of present embodiment embodiment is titanium dioxide
Sulphur tail gas can be completely absorbed, and obtained sodium sulfite crystalline content is 97.5-98.0%.
Further, a kind of SO 2 tail gas absorption treating device of present embodiment embodiment, it is characterized in that,
Described absorption tower is PP materials, height 2-8m, diameter 0.4-1.2m, absorption tower built with spherical PE fillers or ripple packing,
In actual moving process, 1-6 platforms absorption tower is in series the combination of absorption tower.
Further, a kind of SO 2 tail gas absorption treating device of present embodiment embodiment, it is characterized in that,
Described described absorption liquid storage tank is glass steel material, volume 3.0-5.0m3。
Further, a kind of SO 2 tail gas absorption treating device of present embodiment embodiment, it is characterized in that,
Described circulating pump is acid redidting centrifugal pump, lift 12-21m.
Further, a kind of SO 2 tail gas absorption treating device of present embodiment embodiment, it is characterized in that,
Described described condensing crystallizing kettle is enamel material, and chuck is connected to steam heating and cold water cooling pipeline, its bottom valve hole
Footpath is 150-250mm, and its volume is 3.0-5.0m3。
Such device, a kind of SO 2 tail gas absorption treating device described in technical solutions of the utility model, have and throw
The advantages of money is little, installation is easy, simple operation.
A kind of such device, SO 2 tail gas absorption treating device described in technical solutions of the utility model, can be thorough
Bottom absorbs caused SO 2 tail gas in processing production process, while absorbing liquid can also be changed into the sulfurous acid of our needs
Sodium crystal, atmospheric environment is not only protected, but also create certain economic benefit.
Generic principles defined herein can be in the case where not departing from spirit or scope of the present utility model, at it
Realized in its embodiment.Therefore, the utility model will not be limited to the embodiments shown herein, every new in this practicality
Within type spirit and principle, any modification, equivalent substitution and improvements made etc., protection model of the present utility model should be included in
Within enclosing.The utility model institute protection domain is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (5)
1. a kind of SO 2 tail gas absorption treating device, it includes：SO 2 tail gas pipeline, absorption tower, circulating pump, absorption
Liquid storage tank, condensing crystallizing kettle, centrifuge, mother liquor transfer tank, it is characterized in that, SO 2 tail gas pipeline is connected under absorption tower
Portion, absorb liquid storage tank and be connected by circulating pump with absorption tower top, absorbing liquid sprays and titanium dioxide from bottom to top from top to bottom
Sulphur tail gas completes absorbing reaction process, absorbs liquid storage tank and is connected by circulating pump, saturated absorption liquid pipe road with condensing crystallizing kettle, dense
Contracting crystallization kettle bottom is connected to centrifuge, mother liquor transfer tank, and mother liquor transfer tank is connected by relay pump and condensing crystallizing tank top again
Connect.
2. a kind of SO 2 tail gas absorption treating device according to claim 1, it is characterized in that, described absorption tower is
PP materials, height 2-8m, diameter 0.4-1.2m, absorption tower is built with spherical PE fillers or ripple packing, in actual moving process,
1-6 platforms absorption tower is in series the combination of absorption tower.
3. a kind of SO 2 tail gas absorption treating device according to claim 1, it is characterized in that, the storage of described absorbing liquid
Tank is glass steel material, volume 3.0-5.0m3。
4. a kind of SO 2 tail gas absorption treating device according to claim 1, it is characterized in that, described circulating pump is
Acid redidting centrifugal pump, lift 12-21m.
5. a kind of SO 2 tail gas absorption treating device according to claim 1, it is characterized in that, described condensing crystallizing
Kettle is enamel material, and chuck is connected to steam heating and cold water cooling pipeline, and its bottom valve aperture is 150-250mm, its volume
For 3.0-5.0m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720651122.6U CN206793388U (en) | 2017-06-07 | 2017-06-07 | A kind of SO 2 tail gas absorption treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720651122.6U CN206793388U (en) | 2017-06-07 | 2017-06-07 | A kind of SO 2 tail gas absorption treating device |
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| Publication Number | Publication Date |
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| CN206793388U true CN206793388U (en) | 2017-12-26 |
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| CN201720651122.6U Active CN206793388U (en) | 2017-06-07 | 2017-06-07 | A kind of SO 2 tail gas absorption treating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325341A (en) * | 2018-02-08 | 2018-07-27 | 广州凯燃环保工程技术有限公司 | A kind of Novel flue gas desulfurizer |
| CN108744907A (en) * | 2018-06-27 | 2018-11-06 | 湖北鼎创泰裕科技有限公司 | A kind of exhaust gas treating method and processing unit containing sulfur dioxide |
-
2017
- 2017-06-07 CN CN201720651122.6U patent/CN206793388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325341A (en) * | 2018-02-08 | 2018-07-27 | 广州凯燃环保工程技术有限公司 | A kind of Novel flue gas desulfurizer |
| CN108744907A (en) * | 2018-06-27 | 2018-11-06 | 湖北鼎创泰裕科技有限公司 | A kind of exhaust gas treating method and processing unit containing sulfur dioxide |
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