CN204412058U - A kind of coupling synergy mass transfer apparatus of wet desulfurization system - Google Patents
A kind of coupling synergy mass transfer apparatus of wet desulfurization system Download PDFInfo
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- CN204412058U CN204412058U CN201420833024.0U CN201420833024U CN204412058U CN 204412058 U CN204412058 U CN 204412058U CN 201420833024 U CN201420833024 U CN 201420833024U CN 204412058 U CN204412058 U CN 204412058U
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Abstract
The utility model discloses a kind of coupling synergy mass transfer apparatus of wet desulfurization system, be installed between the upside of gas approach and ground floor spraying layer, 1 ~ 4m on the upside of distance gas approach, adopt hinged directly and brace summer fix; It comprises turbulent pipe channel layer and porous flaggy, and turbulent pipe channel layer is positioned at immediately below porous flaggy; Turbulent pipe channel layer comprises some pipes be arranged in parallel, and position corresponding with pipe axis on porous flaggy has the perforate of some equidistant arrangements; This device makes flue gas flow field in tower be evenly distributed, and mass transfer effect strengthens, and improves desulfuration efficiency.Relative to traditional scheme, this device, under the prerequisite meeting desulfuration efficiency, can alleviate the blockage problem of traditional tray tower, and the cost of material is low, is not increased additional floor space, and maintenance management is easy, has good popularizing application prospect.
Description
Technical field
The utility model relates to a kind of parts of wet desulfurization of flue gas by limestone-gypsum method system, particularly relates to a kind of coupling synergy mass transfer apparatus of wet desulfurization system.
Background technology
Along with the enhancing gradually of the day by day serious of atmosphere polluting problem and environmental consciousness, national and the requirement of local government to atmospheric emission standard is also more and more higher.National environmental protection portion has promulgated " fossil-fuel power plant atmospheric pollutant emission standard " (GB13223-2011) for 2011; regulation was from 1 day July in 2014; in new construction of coal-fired boiler tail gas, SO2 emission limit is 100mg/Nm3, and key area emission limit is 50mg/Nm3.State Council's " coal electricity energy-saving and emission-reduction upgrading and transformation action plan (2014-the year two thousand twenty) " proposes stricter standard to Air Pollutant Emission, eastern region new construction of coal-fired boiler exhaust emissions concentration reaches gas turbine group emission limit (wherein SO2 is not higher than 35 mg/Nm3) substantially, middle part new-built unit in principle close to or reach gas turbine group emission limit, encourage west area new-built unit close to or reach gas turbine group emission limit.Under such background condition, traditional limestone-gypsum method technique will face technological innovation, could meet the requirement of new standard.
At present, main high-efficiency desulfurization technology comprises single tower Two-way Cycle technology, double tower Two-way Cycle technology and single, double tray technology.Single tower Two-way Cycle technology has efficient, stable advantage, but shortcoming to be cost high, improve 10%-30% than traditional desulphurization system cost; Double tower Two-way Cycle technology, as the bicirculating extension of single tower, is applicable to the engineering of sulphur coal and high desulfurization efficiency, but requires high to the control on two absorption towers and the abundance of place; Single, double tray technology is between absorption tower entrance and ground floor spraying layer, arrange single or two pallets, promote flue gas flow field homogenising, strengthen gas-liquid mass transfer efficiency, thus raising desulfuration efficiency, but circular hole pallet manufacturing process is complicated, SR is large, and easily blocks, and reduces system operation reliability.
Summary of the invention
The purpose of this utility model is the weak point for existing high-efficiency desulfurization technology, a kind of coupling synergy mass transfer apparatus of wet desulfurization system is provided, by being installed between absorption tower entrance and ground floor spraying layer, on the one hand rectification is carried out to flue gas flow field in absorption tower uniform, strengthen the collision between flue gas and slurries on the other hand, increase gas liquid interfacial area, strengthen gas-liquid mass transfer, thus improve desulfuration efficiency.
The purpose of this utility model is achieved through the following technical solutions: a kind of coupling synergy mass transfer apparatus of wet desulfurization system, be installed between the upside of gas approach and ground floor spraying layer, 1 ~ 4m on the upside of distance gas approach, adopt hinged directly and brace summer fix; It comprises turbulent pipe channel layer and porous flaggy, and turbulent pipe channel layer is positioned at immediately below porous flaggy, and the distance between two-layer is 100 ~ 800mm; Turbulent pipe channel layer comprises some pipes be arranged in parallel, and position corresponding with pipe axis on porous flaggy has the perforate of some equidistant arrangements; The opening diameter of described porous flaggy is 40 ~ 400mm, and percent opening is 30% ~ 60%; The pipe caliber of described turbulent pipe channel layer is 50 ~ 150mm, and the axis spacing of pipe is 1.5 ~ 2 times of caliber.
The beneficial effects of the utility model are, former flue gas enters absorption tower through smoke inlet, bottom-up flowing, lime stone slurry sprays from spraying layer, from up to down flow, there is uniform, turbulent flow, collision in gas-liquid two-phase, gas liquid interfacial area increases, mass transfer effect strengthens, and finally makes the SO in flue gas when overcoupling synergy mass transfer apparatus
2absorbed more thorough, improve desulfuration efficiency further.
Accompanying drawing explanation
Fig. 1 is installation site of the present utility model and desulfuration absorbing tower front view;
Fig. 2 is enlarged diagram of the present utility model;
Fig. 3 is that A-A is to structural representation;
Fig. 4 is that B-B is to structural representation;
In figure, absorption tower 1, coupling synergy mass transfer apparatus 2, ground floor spraying layer 3, spraying layer 4, demister 5, turbulent pipe channel layer 6, porous flaggy 7.
Detailed description of the invention
The utility model is further illustrated below in conjunction with the drawings and specific embodiments; the present embodiment carries out under premised on technical solutions of the utility model; give concrete embodiment and detailed result of implementation, but protection domain of the present utility model is not limited to following examples of implementation.
As Figure 1-4, the coupling synergy mass transfer apparatus of a kind of wet desulfurization system of the utility model, comprises turbulent pipe channel layer 6 and porous flaggy 7, and turbulent pipe channel layer 6 is positioned at immediately below porous flaggy 7, and the distance between two-layer is 100 ~ 800mm; Turbulent pipe channel layer 6 comprises some pipes be arranged in parallel, and position corresponding with pipe axis on porous flaggy 7 has the perforate of some equidistant arrangements; Described porous flaggy 7 adopts alloy or PP material, and opening diameter is 40 ~ 400mm, and percent opening is 30% ~ 60%; The pipe of described turbulent pipe channel layer 6 adopts alloy or PP material, and caliber is 50 ~ 150mm, and the axis spacing of pipe is 1.5 ~ 2 times of caliber
This device, as the parts on absorption tower 1, is installed between the upside of gas approach and ground floor spraying layer 3,1 ~ 4m on the upside of distance gas approach, adopt hinged directly and brace summer fix.
As shown in Figure 1, the course of work of the present utility model is as follows: former flue gas flows into from smoke inlet, and lime stone slurry sprays from ground floor spraying layer 3 and spraying layer 4, and gas, liquid two-phase are when overcoupling synergy mass transfer apparatus 2, form strong turbulent flow and collision, realize SO in flue gas
2absorbing and removing; Remove SO
2after flue gas continue upwards flow, flow through demister 5, finally flow out from exhanst gas outlet.
Result of implementation of the present utility model: be installed on the coupling synergy mass transfer apparatus in absorption tower, on the one hand flue gas flow field is evenly distributed, lime stone slurry is made to form strong turbulence layer on the other hand, and flue gas passes slurries turbulence layer with the form of bubbling, increase the contact area of gas-liquid two-phase, strengthen the mass transfer effect of gas-liquid two-phase, thus improve desulfuration efficiency.Relative to traditional scheme, this device, under the prerequisite meeting desulfuration efficiency, can alleviate the blockage problem of traditional tray tower, and the cost of material is low, is not increased additional floor space, and maintenance management is easy, has good popularizing application prospect.
The above, be only preferred embodiment of the present utility model, not do any pro forma restriction to structure of the present utility model.Every above examples of implementation are done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all fall in protection domain of the present utility model.
Claims (1)
1. a coupling synergy mass transfer apparatus for wet desulfurization system, is characterized in that, is installed between the upside of gas approach and ground floor spraying layer (3), 1 ~ 4m on the upside of distance gas approach, adopt hinged directly and brace summer fix; It comprises turbulent pipe channel layer (6) and porous flaggy (7), and turbulent pipe channel layer (6) is positioned at immediately below porous flaggy (7), and the distance between two-layer is 100 ~ 800mm; Turbulent pipe channel layer (6) comprises some pipes be arranged in parallel, and has the perforate of some equidistant arrangements in the upper position corresponding with pipe axis of porous flaggy (7); The opening diameter of described porous flaggy (7) is 40 ~ 400mm, and percent opening is 30% ~ 60%; The pipe caliber of described turbulent pipe channel layer (6) is 50 ~ 150mm, and the axis spacing of pipe is 1.5 ~ 2 times of caliber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833024.0U CN204412058U (en) | 2014-12-24 | 2014-12-24 | A kind of coupling synergy mass transfer apparatus of wet desulfurization system |
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| CN201420833024.0U CN204412058U (en) | 2014-12-24 | 2014-12-24 | A kind of coupling synergy mass transfer apparatus of wet desulfurization system |
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| CN204412058U true CN204412058U (en) | 2015-06-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914123A (en) * | 2017-03-30 | 2017-07-04 | 成都申川节能环保工程有限公司 | A kind of efficient desulfurizing tower |
| CN107362632A (en) * | 2017-05-31 | 2017-11-21 | 泉州科维嘉电力有限公司 | A kind of energy-efficient sulfur-containing flue gas purifying system |
-
2014
- 2014-12-24 CN CN201420833024.0U patent/CN204412058U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914123A (en) * | 2017-03-30 | 2017-07-04 | 成都申川节能环保工程有限公司 | A kind of efficient desulfurizing tower |
| CN107362632A (en) * | 2017-05-31 | 2017-11-21 | 泉州科维嘉电力有限公司 | A kind of energy-efficient sulfur-containing flue gas purifying system |
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