CN212701228U - Self-adaptive air flow adjusting and mass transfer enhancing device - Google Patents
Self-adaptive air flow adjusting and mass transfer enhancing device Download PDFInfo
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- CN212701228U CN212701228U CN202020539836.XU CN202020539836U CN212701228U CN 212701228 U CN212701228 U CN 212701228U CN 202020539836 U CN202020539836 U CN 202020539836U CN 212701228 U CN212701228 U CN 212701228U
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- 230000002708 enhancing effect Effects 0.000 title description 4
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 13
- 230000023556 desulfurization Effects 0.000 claims abstract description 13
- 230000003044 adaptive effect Effects 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 4
- 239000006096 absorbing agent Substances 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003546 flue gas Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a self-adaptation air current regulation and reinforcing mass transfer device, including a plurality of module baffles, inside same cross section of desulfurization absorption tower is separated for a plurality of unit modules through each module baffle, wherein, has set gradually silk screen interception layer, self-adaptation regulation layer and the equal cloth layer of air current from the top down in each unit module, wherein, the self-adaptation regulation layer comprises a plurality of clean shot, and the diameter of each clean shot all is less than the aperture on silk screen interception layer, and the diameter of each clean shot all is greater than the trompil aperture on the equal cloth layer of air current, and the device can be according to unit load condition self-adaptation regulation flue gas flow speed and flow field distribution, reinforcing gas-liquid mass transfer effect, and adaptability is stronger.
Description
Technical Field
The utility model belongs to the technical field of the gaseous pollutant desorption, a self-adaptation air current is adjusted and reinforcing mass transfer device is related to.
Background
By 2018, the installed capacity of ultralow emission reconstruction of coal-fired power plants is 8.1 hundred million kilowatts, which accounts for about 80 percent of the capacity of coal-electric units in China. The limestone-gypsum wet desulphurization process is the most widely applied flue gas desulphurization technology in the world at present, has the advantages of high desulphurization rate, mature technology, high operation reliability, adaptability to large-capacity units and high-concentration SO2The flue gas condition, the absorbent is easy to obtain, the by-products are easy to be comprehensively utilized, and the like. The absorption tower is a core device of a limestone-gypsum wet process, and related environmental protection companies develop various tower internal components for enhancing the gas-liquid mass transfer effect on the basis of a spraying empty tower in order to improve the desulfurization effect of the absorption tower, but the tower internal components cannot be adjusted according to the load condition of a unit, so that the adaptability to different operation working conditions is poor, and the operation energy consumption is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a self-adaptation air current regulation and reinforcing mass transfer device, the device can be according to unit load condition self-adaptation regulation flue gas flow rate and flow field distribution, reinforcing gas-liquid mass transfer effect, and the adaptability is stronger.
In order to achieve the above object, self-adaptation air current regulation and reinforcing mass transfer device, the device set up in the desulfurization absorption tower and be located the below that sprays the layer, the device includes a plurality of module baffles, and inside same cross section of desulfurization absorption tower is separated for a plurality of unit modules through each module baffle, wherein, from the top down has set gradually silk screen interception layer, self-adaptation regulation layer and the equal cloth layer of air current in each unit module, wherein, the self-adaptation regulation layer comprises a plurality of clean shot, and the diameter of each clean shot all is less than the aperture on silk screen interception layer, and the diameter of each clean shot all is greater than the trompil aperture on the equal cloth layer of air current.
The shape of the through holes on the airflow uniform cloth layer is a circular structure, a polygonal structure, a star-shaped structure or an internal sawtooth structure.
The aperture of the open pore of the airflow uniform cloth layer is 20mm-50 mm.
The wall thickness and the weight of each hollow ball in the same self-adaptive adjusting layer are different.
The desulfurization absorption tower is of a round structure or a square structure.
And a gap is reserved between the silk screen interception layer and the self-adaptive adjustment layer in the same unit module.
The utility model discloses following beneficial effect has:
self-adaptation air current adjust and reinforcing mass transfer device when concrete operation, the unit load is different, heavier clean shot forms different contact state with the distribution layer of air current in the self-adaptation regulation layer, the flue gas flow area and the flow field distribution on the equal cloth layer of self-adaptation air current, maintain the flue gas speed, the boiling suspended state that lighter clean shot formed, with the contact time who increases the flue gas and spray the thick liquid, reinforce the mass transfer effect, higher desulfurization efficiency all has under different operating modes, reducible absorption tower slurry circulation pump operation platform number, reduce system resistance and running energy consumption.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Wherein, 1 is a unit module, 2 is a module clapboard, 3 is a silk screen interception layer, 4 is a self-adaptive adjustment layer, and 5 is an airflow uniform cloth layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 2, the adaptive airflow regulating and mass transfer enhancing device of the present invention, the device is arranged in the desulfurization absorption tower and is positioned below the spraying layer, the device comprises a plurality of module clapboards 2, the same cross section in the desulfurization absorption tower is divided into a plurality of unit modules 1 by each module clapboard 2, wherein, a silk screen interception layer 3, a self-adaptive adjustment layer 4 and an airflow uniform cloth layer 5 are sequentially arranged in each unit module 1 from top to bottom, wherein the self-adaptive adjusting layer 4 consists of a plurality of hollow spheres, the diameter of each hollow sphere is smaller than the aperture of the wire mesh intercepting layer 3, the hollow spheres are prevented from penetrating through the wire mesh intercepting layer 3, and the diameter of each hollow sphere is larger than the opening pore diameter of the airflow uniform cloth layer 5, so that the hollow spheres are prevented from falling into a slurry pool of the absorption tower, wherein the wall thickness and the weight of each hollow sphere in the same self-adaptive adjusting layer 4 are different.
The shape of the through holes on the airflow uniform cloth layer 5 is a circular structure, a polygonal structure, a star-shaped structure or an internal sawtooth structure; the aperture of the open pore of the airflow equalizing cloth layer 5 is 20mm-50 mm; the desulfurization absorption tower is of a round structure or a square structure; a gap is reserved between the wire mesh intercepting layer 3 and the self-adaptive adjusting layer 4 in the same unit module 1, and a space is provided for boiling suspension of hollow balls.
The utility model discloses a concrete working process does: when the unit load is different, the heavier hollow spheres and the airflow uniform cloth layer 5 in the self-adaptive adjusting layer 4 form different contact states, the smoke flow area and the flow field distribution of the airflow uniform cloth layer 5 are self-adaptive, the smoke speed is maintained, and the boiling suspension state formed by the lighter hollow spheres is maintained, so that the contact time of smoke and spraying slurry is prolonged, the mass transfer effect is strengthened, and meanwhile, the hollow spheres are intercepted through the silk screen intercepting layer 3.
It is last to explain, the utility model discloses when maintaining flue gas speed and strengthening the mass transfer effect, all have higher desulfurization efficiency under different work condition, reducible absorption tower slurry circulating pump operation number of platforms, reduction system resistance and operation energy consumption.
Claims (6)
1. The utility model provides a self-adaptation air current is adjusted and is strengthened mass transfer device, its characterized in that, the device sets up in the desulfurization absorption tower and is located the below that sprays the layer, the device includes a plurality of module baffles (2), inside same cross section of desulfurization absorption tower is separated for a plurality of unit modules (1) through each module baffle (2), wherein, from the top down has set gradually silk screen interception layer (3), self-adaptation regulation layer (4) and the equal cloth layer of air current (5) in each unit module (1), wherein, self-adaptation regulation layer (4) comprise a plurality of clean balls, and the diameter of each clean ball all is less than the aperture of silk screen interception layer (3), and the diameter of each clean ball all is greater than the trompil aperture of the equal cloth layer of air current (5).
2. The adaptive gas flow conditioning and enhanced mass transfer device of claim 1, wherein the shape of the through holes on the gas flow homogenizing layer (5) is a circular structure, a star-shaped structure or an internal zigzag structure.
3. The adaptive gas flow conditioning and enhanced mass transfer device of claim 1, wherein the open pore size of the gas flow equalization layer (5) is 20mm to 50 mm.
4. The adaptive gas flow regulating and enhanced mass transfer device according to claim 1, characterized in that the hollow spheres within the same adaptive regulating layer (4) differ in wall thickness and weight.
5. The adaptive gas flow conditioning and enhanced mass transfer device of claim 1, wherein the desulfurization absorber tower is of circular configuration or square configuration.
6. The adaptive gas flow conditioning and enhanced mass transfer device according to claim 1, characterized in that there is a gap between the wire mesh intercepting layer (3) and the adaptive adjusting layer (4) in the same unit module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539836.XU CN212701228U (en) | 2020-04-13 | 2020-04-13 | Self-adaptive air flow adjusting and mass transfer enhancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539836.XU CN212701228U (en) | 2020-04-13 | 2020-04-13 | Self-adaptive air flow adjusting and mass transfer enhancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212701228U true CN212701228U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020539836.XU Active CN212701228U (en) | 2020-04-13 | 2020-04-13 | Self-adaptive air flow adjusting and mass transfer enhancing device |
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| Country | Link |
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| CN (1) | CN212701228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330417A (en) * | 2020-04-13 | 2020-06-26 | 华能国际电力股份有限公司 | Self-adaptive airflow adjusting and mass transfer enhancing device and method |
-
2020
- 2020-04-13 CN CN202020539836.XU patent/CN212701228U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330417A (en) * | 2020-04-13 | 2020-06-26 | 华能国际电力股份有限公司 | Self-adaptive airflow adjusting and mass transfer enhancing device and method |
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