CN206535391U - A kind of embrane method Multistage desulfuration device - Google Patents
A kind of embrane method Multistage desulfuration device Download PDFInfo
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- CN206535391U CN206535391U CN201720174613.6U CN201720174613U CN206535391U CN 206535391 U CN206535391 U CN 206535391U CN 201720174613 U CN201720174613 U CN 201720174613U CN 206535391 U CN206535391 U CN 206535391U
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Abstract
The utility model is related to a kind of embrane method Multistage desulfuration device, including compressor, pressure-reducing valve, first grade desulfurizing device, two-grade desulfurizing device, circulatory pool, desulfurizing agent storage tank, recovery gas storage tank and desulfurization residual gas storage tank.The beneficial effects of the utility model are：Devulcanizer is made up of hollow fiber film assembly, and the loading density of hollow fiber membrane contactorses is big, and the contact area of unit volume is big, and mass transfer area is big, improves desulfuration efficiency；Devulcanizer hollow fiber film assembly is in whole film absorption process, SO2Gas and desulfurizing agent are flowed in hollow-fibre membrane both sides respectively, and stable mass transfer interface is formd on film surface, SO is realized by the selective penetrated property of film2Separation, obtain more preferable desulfurization degree；The connection of devulcanizer and pipeline can control that the sweetening process that device carries out one-level or two-stage can be achieved by valve switch；Embrane method Multistage desulfuration device first grade desulfurizing efficiency is up to more than 86%, and two-grade desulfurizing rate is up to more than 97%, and the gas after two-step desulfurization is to meet national standard, without more repeat units.
Description
Technical field
The utility model belongs to Membrane Desulphurization technical field, is related to a kind of embrane method Multistage desulfuration device.
Background technology
Atmosphere pollution not only causes great harm to human health, also governs the good development of economy.Coal in China
In occupation of sizable ratio in energy resource structure, coal power plant, use of fossil fuel etc. all produce a large amount of harmful substances two
Sulfur oxide.Therefore, particularly significant is just seemed with separating to the removing of sulfur dioxide.Domestic sulfur method has a variety of, such as：Moulded coal
Combustion desulfurization, i.e., enter stove burning, the SO produced during burning by the mixing such as coal dust, lime and binding agent, extrusion forming2By lime portion
Divide absorption to be fixed among lime-ash, reach the purpose of desulfurization.In addition common sulfur method have limestone/gypsum method, Dual alkali,
Magnesium oxide method, citrate method, seawater method, ammonia process, active carbon adsorption, metal oxide doctor treatment, in duct sorbent injection semidry method,
These single method generally existings such as ciculation fluidized bed process, dense-phase tower method big investment, operation difficulty height, reactant utilization rate
It is low and low to the removal efficiency of sulfur dioxide.Therefore, the utility model is developed, a kind of desulfuration efficiency is high, operation difficulty is low, desulfurization
The embrane method Multistage desulfuration device of agent recycling.
The desulfurizer of prior art, to improve desulfuration efficiency, generally requires the repetition desulfurization unit string of four and the above
Connection gets up to run simultaneously, and pending gas passes sequentially through desulfurization unit, gradually treats processing gas and carries out desulfurization process, Zhi Daoqi
Body flows out last processing unit and completes desulfurization.
Because repeat unit is more, the redundancy quantitative change of whole device is big, and equipment cost increases.And cascaded structure is inflexible, one
Level desulfurization unit, which once breaks down, to be directly resulted in whole device and can not run, and can not flexibly be selected for desulfurization rank.
In sweetening process, general desulfurizing agent is difficult to recovery after using once and reused, and the secondary profit of desulfurization product
It is also very low with rate.Existing desulfurizer has equipment cost height as can be seen here, and maintenance requirement height and operation difficulty are big, resource is sharp
With the low shortcoming of rate.
Utility model content
The technical problems to be solved in the utility model is：Based on above mentioned problem, there is provided a kind of embrane method Multistage desulfuration device.
The utility model solves the technical scheme that its technical problem used：A kind of embrane method Multistage desulfuration device, including
Compressor, pressure-reducing valve, first grade desulfurizing device, two-grade desulfurizing device, circulatory pool, desulfurizing agent storage tank, recovery gas storage tank and the storage of desulfurization residual gas
Tank, the output end of compressor connects the input of pressure-reducing valve, and the output end of pressure-reducing valve is provided with the first breather pipe of the valve of band first
Second ventilation line of line and the valve of band second, the output end of the first ventilation line connects with the input of first grade desulfurizing device tube side
Logical, the output end of the second ventilation line is connected by the 3rd valve with the input of two-grade desulfurizing device tube side, first grade desulfurizing device pipe
The output end of journey connects the second ventilation line between the second valve and the 3rd valve by the 4th valve, desulfurizing agent storage tank it is defeated
Go out the second tracheae of first tracheae and band sixth valve of the end provided with the valve of band the 5th, the output end and first grade desulfurizing of the first tracheae
The input connection of device shell side, the output end of the second tracheae is connected with the input of two-grade desulfurizing device shell side, first grade desulfurizing device shell
The output end of journey is connected by the 7th valve with the input of circulatory pool, and the output end of two-grade desulfurizing device shell side passes through the 8th valve
Connected with the input of circulatory pool, the output end of two-grade desulfurizing device tube side connects the input of desulfurization residual gas storage tank by the 9th valve
End, the input end of circulatory pool is provided with delivery pump, and the output end of circulatory pool is provided with connected with desulfurizing agent storage tank input first
Branch road and the second branch road connected with recovery gas storage tank input.
Further, pipeline is provided with filter between the output end of circulatory pool and desulfurizing agent storage tank input.
Further, first grade desulfurizing device, the membrane module form of two-grade desulfurizing device are hollow fiber film assembly, gas and de-
Sulphur liquid flows in two-phase convection current form, and gas walks tube side, and desulfurizing agent walks shell side, the contact of the unit volume of hollow fiber film assembly
Area is 3000~5000m2/m3。
Further, first grade desulfurizing device, the operating temperature of two-grade desulfurizing device are 35 DEG C.
The beneficial effects of the invention are as follows：(1) devulcanizer is made up of hollow fiber film assembly, the dress of hollow fiber membrane contactorses
Filling density is big, and the contact area of unit volume is big, and mass transfer area is big, than reclaiming tens times of tower height, improves pending gas and de-
The time of contact of sulphur liquid, and then improve desulfuration efficiency；(2) devulcanizer hollow fiber film assembly is in whole film absorption process,
SO2Alternate mixing does not occur directly for gas and desulfurizing agent, but is flowed respectively in hollow-fibre membrane both sides, is formd on film surface
Stable mass transfer interface, SO is realized by the selective penetrated property of film2Separation, experimental study is drawn, is inhaled using hollow-fibre membrane
The purification of receipts method contains SO2When handling gas, gas walks tube side, and the flow that doctor solution walks shell side can obtain more preferable desulfurization degree；(3) devulcanizer
Connection with pipeline can control that the sweetening process that device carries out one-level or two-stage can be achieved by valve switch；(4) embrane method is multistage
Desulfurizer first grade desulfurizing efficiency is up to more than 86%, and two-grade desulfurizing rate is up to more than 97%, and the gas after two-step desulfurization is to meet state
Family's standard, without more repeat units.
Brief description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Wherein：1. compressor, 2. pressure-reducing valves, 3. first valves, 4. second valves, 5. the 4th valves, 6. the 3rd valves, 7.
Desulfurization residual gas storage tank, 8. the 9th valves, 9. the 7th valves, 10. the 8th valves, 11. the 6th valves, 12. the 5th valves, 13. 1
Level devulcanizer, 14. two-grade desulfurizing devices, 15. delivery pumps, 16. circulatory pools, 17. filters, 18. desulfurizing agent storage tanks, 19. reclaim gas
Storage tank.
Embodiment
The utility model is further described presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram only to show
Meaning mode illustrates basic structure of the present utility model, therefore it only shows the composition relevant with the utility model.
A kind of embrane method Multistage desulfuration device as shown in Figure 1, including compressor 1, pressure-reducing valve 2, first grade desulfurizing device 13, two grades
Devulcanizer 14, circulatory pool 16, desulfurizing agent storage tank 18, recovery gas storage tank 19 and desulfurization residual gas storage tank 7, the output end of compressor 1 connect
The input of pressure-reducing valve 2 is connect, first ventilation line and band second valve 4 of the output end provided with the first valve of band 3 of pressure-reducing valve 2
Second ventilation line, the output end of the first ventilation line is connected with the input of the tube side of first grade desulfurizing device 13, the second ventilation line
Output end connected by the 3rd valve 6 with the input of the tube side of two-grade desulfurizing device 14, the output end of the tube side of first grade desulfurizing device 13
The second ventilation line between second valve 4 and the 3rd valve 6, the output end of desulfurizing agent storage tank 18 are connected by the 4th valve 5
Second tracheae of the first tracheae and the valve 11 of band the 6th provided with the valve 12 of band the 5th, the output end and first grade desulfurizing of the first tracheae
The input connection of the shell side of device 13, the output end of the second tracheae is connected with the input of the shell side of two-grade desulfurizing device 14, first grade desulfurizing
The output end of the shell side of device 13 is connected by the 7th valve 9 with the input of circulatory pool 16, the output end of the shell side of two-grade desulfurizing device 14
Connected by the 8th valve 10 with the input of circulatory pool 16, the output end of the tube side of two-grade desulfurizing device 14 is connected by the 9th valve 8
The input of unconventional sulphur residual gas storage tank 7, the input end of circulatory pool 16 is provided with delivery pump 15, the output end of circulatory pool 16 be provided with
The tie point of the input of desulfurizing agent storage tank 18 connection and the second branch road connected with the recovery input of gas storage tank 19.
Pipeline is provided with filter 17 between the output end and the input of desulfurizing agent storage tank 18 of circulatory pool 16.
First grade desulfurizing device 13, the membrane module form of two-grade desulfurizing device 14 are hollow fiber film assembly, gas and doctor solution
Flowed in two-phase convection current form, gas walks tube side, and desulfurizing agent walks shell side, the contact area of the unit volume of hollow fiber film assembly
For 3000~5000m2/m3.First grade desulfurizing device 13, the operating temperature of two-grade desulfurizing device 14 are 35 DEG C.
Multiple stage circulation processing procedure is as follows：
Gas containing thia boosts by compressor 1 and is depressured again by pressure-reducing valve 2, is entered with suitable pressure in breather line,
First valve 3 is opened, and gas enters in first grade desulfurizing device 13, while the 5th valve 12 is opened, the release desulfurization of desulfurizing agent storage tank 18
Agent enters first grade desulfurizing device 13, and gas walks tube side, and desulfurizing agent walks shell side, due to the selective penetrated property of film, SO2Gas permeation tube side
It is desulfurized agent absorption to take away, is opened through the 7th valve 9, the doctor solution that first grade desulfurizing is obtained is followed by delivering into for delivery pump 15
Cisterna ambiens 16, the sulfurous gas after first grade desulfurizing processing enters two-grade desulfurizing device 14 through the 4th valve 5 and the 3rd valve 6 and carries out second
Secondary desulfurization process, the 6th valve 11 is opened, and the release desulfurizing agent of desulfurizing agent storage tank 18 enters after two-grade desulfurizing device 14, two stage treatment
Doctor solution of the gas through entering at the 9th valve 8 after desulfurization residual gas storage tank 7, two stage treatment enters circulatory pool by the 8th valve 10
16, containing SO2Pregnant solution gas-liquid separation is carried out in circulatory pool 16, obtained recovery gas, which enters, reclaims gas storage tank 19, and desulfurization
Agent recovered liquid then enters the realization of desulfurizing agent storage tank 18 by filter 17 and reused, so as to complete a multiple stage circulation.
Single-stage circulation processing procedure is as follows：
When the first valve 3, the 4th valve 5, the 7th valve 9, the 5th valve 12 are closed, the second valve 4, the 3rd valve are opened
6th, the 9th valve 8, the 8th valve 10, the 6th valve 11, gas are directly entered in two-grade desulfurizing device 14, and desulfurizing agent storage tank 18 discharges
Desulfurizing agent enter two-grade desulfurizing device 14 in, gas walks tube side, and desulfurizing agent walks shell side, the gas after desulfurization by the 9th valve 8 at
Into desulfurization residual gas storage tank 7, the doctor solution after desulfurization is delivered to circulatory pool 16 by delivery pump 15, and pregnant solution is in circulatory pool 16
Gas-liquid separation is carried out, obtained recovery gas, which enters, reclaims gas storage tank 19, and desulfurizing agent recovered liquid then enters by filtering dress device 17
Desulfurizing agent storage tank 18 is realized and reused, so as to complete a single-stage circulation.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (4)
1. a kind of embrane method Multistage desulfuration device, it is characterized in that：Including compressor, pressure-reducing valve, first grade desulfurizing device, two-grade desulfurizing device,
Circulatory pool, desulfurizing agent storage tank, recovery gas storage tank and desulfurization residual gas storage tank, the output end of compressor connect the input of pressure-reducing valve,
Second ventilation line of first ventilation line and band second valve of the output end of pressure-reducing valve provided with the valve of band first, the first ventilation
The output end of pipeline is connected with the input of first grade desulfurizing device tube side, and the output end of the second ventilation line passes through the 3rd valve and two
The input connection of level devulcanizer tube side, the output end of first grade desulfurizing device tube side connects the second valve and the 3rd by the 4th valve
The second ventilation line between valve, the output end of desulfurizing agent storage tank is provided with the first tracheae and the valve of band the 6th of the valve of band the 5th
The second tracheae, the output end of the first tracheae connects with the input of first grade desulfurizing device shell side, the output end of the second tracheae and two
The input connection of level devulcanizer shell side, the output end of first grade desulfurizing device shell side is connected by the input of the 7th valve and circulatory pool
Logical, the output end of two-grade desulfurizing device shell side is connected by the 8th valve with the input of circulatory pool, two-grade desulfurizing device tube side it is defeated
Go out the input that end connects desulfurization residual gas storage tank by the 9th valve, the input end of circulatory pool is provided with delivery pump, circulatory pool
Output end is provided with the tie point connected with desulfurizing agent storage tank input and the second branch road connected with recovery gas storage tank input.
2. a kind of embrane method Multistage desulfuration device according to claim 1, it is characterized in that：The output end of described circulatory pool with
Pipeline is provided with filter between desulfurizing agent storage tank input.
3. a kind of embrane method Multistage desulfuration device according to claim 1, it is characterized in that：Described first grade desulfurizing device, two grades
The membrane module form of devulcanizer is hollow fiber film assembly, and gas and doctor solution flow in two-phase convection current form, and gas walks pipe
Journey, desulfurizing agent walks shell side, and the contact area of the unit volume of hollow fiber film assembly is 3000~5000m2/m3。
4. a kind of embrane method Multistage desulfuration device according to claim 1, it is characterized in that：Described first grade desulfurizing device, two grades
The operating temperature of devulcanizer is 35 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720174613.6U CN206535391U (en) | 2017-02-24 | 2017-02-24 | A kind of embrane method Multistage desulfuration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720174613.6U CN206535391U (en) | 2017-02-24 | 2017-02-24 | A kind of embrane method Multistage desulfuration device |
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| CN206535391U true CN206535391U (en) | 2017-10-03 |
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ID=59946290
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720174613.6U Expired - Fee Related CN206535391U (en) | 2017-02-24 | 2017-02-24 | A kind of embrane method Multistage desulfuration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
- 2017-02-24 CN CN201720174613.6U patent/CN206535391U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20180224 |