CN103877823A - Wet-type dust collection system - Google Patents
Wet-type dust collection system Download PDFInfo
- Publication number
- CN103877823A CN103877823A CN201410152213.6A CN201410152213A CN103877823A CN 103877823 A CN103877823 A CN 103877823A CN 201410152213 A CN201410152213 A CN 201410152213A CN 103877823 A CN103877823 A CN 103877823A
- Authority
- CN
- China
- Prior art keywords
- collecting plate
- housing
- dust collection
- undaform
- dedusting system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000428 dust Substances 0.000 title abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000003472 neutralizing Effects 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims abstract 2
- 210000003128 Head Anatomy 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 4
- 210000002381 Plasma Anatomy 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000003595 mist Substances 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000003009 desulfurizing Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Abstract
The invention belongs to the field of a dust collection device, and particularly relates to a gas dust collector integrating the electrostatic adsorption effect and the water mist washing way. The technical scheme is as follows: a ventilation air duct is designed in a curved structure, and dust and impurities in the gas can be adhered and adsorbed by adopting a combination way of a spraying device and an electric dust collection device. The wet-type dust collection system consists of a shell, dust collection plates, a discharging electrode, a spraying device, a water seal, a neutralizing water pool and a dosing tank; the shell is provided with a cuboid pipeline cavity, the left end and the right end of the shell are respectively opened to form a gas inlet and a gas outlet, the upper end surface has water mist spray nozzle installation holes uniformly distributed, the bottom is open and provided with a supporting beam, the front end surface and the rear end surface are sealed, and an inner cavity of the shell is vertically and uniformly divided by more than two dust collection plates into air ducts in identical size along the inlet-outlet direction of the pipeline. The wet-type dust collection system has the beneficial effects that the dust collection rate and the desulphurization efficiency are improved, and the maintenance cost is reduced.
Description
Technical field
The invention belongs to cleaner field, particularly one utilizes Electrostatic Absorption effect and water smoke to wash the gas dust remover that combines.
Background technology
Since 2013, there is " haze " phenomenon in all parts of the country successively, and social repercussion is strong.In the prevention and control of air pollution action plan that national environmental protection portion and each place government put into effect in succession, proposed to reduce the specific requirement of dust emission concentration for electric power, metallurgy, cement, Industrial Stoves etc.; Bring up to≤30mg/m3 of soot emissions limit value to coal fired thermal power plant especially, bring up to≤20mg/m3. of soot emissions limit value is current in key area, main dedusting technology as electrostatic precipitator, sack cleaner and electrostatic fabric filter be to be all operated in the dry gas environment of 100 DEG C of left and right, though can meet existing discharge standard, be difficult to further reduce dust emission concentration.And above-mentioned three kinds of technology have the following disadvantages: 1, be difficult to trap the fine particle such as PM10 and PM2.5 thing.2, while being applied in coal fired thermal power plant, cannot trap gypsum particle in flue gas after desulfurization.
Summary of the invention
The object of the invention is, in order to be applicable to different industrial circles, can improve efficiency of dust collection, reduce concentration of emission, high reliability, corrosion-resistant, improve desulfuration efficiency and a kind of new Wet-type high-efficient dust pelletizing system is provided.
To achieve these goals, the technical solution used in the present invention is that ventilating air passage is made as to tortuous structure, and the mode that adopts sprinkling equipment and electric dust-removing equipment to combine adheres to and adsorbs dust and impurity from gas.
Wet dedusting system of the present invention is by being made up of housing, collecting plate, discharge electrode, spray equipment, water seal mouth, neutralizing water tank and dosing tank; Housing is cuboid tube cavity, two ends, left and right open wide and are respectively air inlet and gas outlet, upper surface evenly offers waterfog head installing hole, bottom opens wide and is furnished with brace summer, front/rear end sealing, internal cavities is imported and exported direction Vertical Uniform at plural collecting plate along pipeline by quantity and is divided into the air flue that size is identical; The air flue that discharge electrode is partitioned into along collecting plate is evenly arranged on the brace summer that is fixedly mounted on housing bottom; Spray equipment is fixedly mounted on by waterfog head on the installing hole of housing upper surface; Neutralizing water tank fixed installation is arranged under housing, and delivery port connects spray equipment by the water pipe with compression pump, and bottom is provided with plasma discharge mouth; Water seal mouth is arranged on housing 1 bottom, and lower end is vertically stretched into below neutralizing water tank liquid level; In dosing tank, hold alkaline solution, connect neutralizing water tank water inlet by the pipeline with rear pump.
Described housing, collecting plate, discharge electrode, spray equipment, water seal mouth, neutralizing water tank and dosing tank does corrosion resistant and processes or use resistant material.
Described discharge electrode and housing insulating mounting.
Described discharge electrode, each discharge electrode equates apart from the distance of both sides collecting plate, and is 200-800mm along two adjacent discharge electrode spacing of air flue.
Collecting plate quantity in described housing is more than two; Adjacent distances of collecting plates is 5mm-500mm; Collecting plate is triangle undaform collecting plate or trapezoidal undaform collecting plate or circular arc undaform collecting plate by shape of cross section.
Described triangle undaform collecting plate, triangle wave inclination angle theta 1 is 0 °-180 °, and triangle wave height H 1 is 5mm-1000mm, and wavelength L1 is 5mm-2000mm, and two adjacent distances of collecting plates d1 are 5mm-500mm.
Described trapezoidal undaform collecting plate, trapezoidal wave inclination angle theta 2 is 90 °-180 °, and wave height H2 is 5mm-1000mm, and wavelength L2 is 5mm-2000mm, and base length lambda is 5mm-50mm, two adjacent distances of collecting plates d2 are 5mm-500mm.
Described circular arc undaform collecting plate, wave height H3 is 5mm-1000mm, and wavelength L2 is 5mm-2000mm, and two adjacent distances of collecting plates d3 are 5mm-500mm.
Described water seal mouth is detachable.
Beneficial effect of the present invention is to have improved dust removal efficiency and desulfuration efficiency, has reduced maintenance cost.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention will be further described in detail:
Accompanying drawing 1 is enclosure interior structure front elevational schematic of the present invention.
Accompanying drawing 2 is enclosure interior structure schematic side view of the present invention.
Accompanying drawing 3 is circular arc undaform collecting plate cross sectional representation of the present invention.
Accompanying drawing 4 is trapezoidal undaform collecting plate cross sectional representation of the present invention.
Accompanying drawing 5 is triangle undaform collecting plate cross sectional representation of the present invention.
In accompanying drawing: housing 1, air inlet 11, gas outlet 12, collecting plate 13, triangle undaform collecting plate 131, trapezoidal undaform collecting plate 132, circular arc undaform collecting plate 133, brace summer 14, discharge electrode 2, spray equipment 3, waterfog head 31, water seal mouth 4, neutralizing water tank 5, dosing tank 6.
Detailed description of the invention
As shown in the figure, wet dedusting system of the present invention is made up of housing 1, collecting plate 13, discharge electrode 2, spray equipment 3, water seal mouth 4, neutralizing water tank 5 and dosing tank 6; Housing 1 is cuboid tube cavity, two ends, left and right open wide and are respectively air inlet 11 and gas outlet 12, upper surface evenly offers waterfog head 31 installing holes, bottom opens wide and is furnished with brace summer 14, front/rear end sealing, internal cavities is imported and exported direction Vertical Uniform at plural collecting plate 13 along pipeline by quantity and is divided into the air flue that size is identical; The air flue that discharge electrode 2 is partitioned into along collecting plate 13 is evenly arranged on the brace summer 14 that is fixedly mounted on housing 1 bottom; Spray equipment 3 is fixedly mounted on by waterfog head 31 on the installing hole of housing 1 upper surface; Neutralizing water tank 5 fixed installations are arranged under housing 1, and delivery port connects spray equipment 3 by the water pipe with compression pump, and bottom is provided with plasma discharge mouth; Water seal mouth 4 is arranged on housing 1 bottom, and lower end is vertically stretched into below neutralizing water tank 5 liquid levels; In dosing tank 6, hold alkaline solution, connect neutralizing water tank 5 water inlets by the pipeline with rear pump.
Described housing 1, collecting plate 13, discharge electrode 2, spray equipment 3, water seal mouth 4, neutralizing water tank 5 and dosing tank 6 does corrosion resistant and processes or use resistant material.
Described discharge electrode 2 and housing 1 insulating mounting.
Described discharge electrode 2, each discharge electrode 2 equates apart from the distance of both sides collecting plate 13, and is 200-800mm along two adjacent discharge electrode 2 spacing of air flue.
Collecting plate 13 quantity in described housing 1 are more than two; Adjacent collecting plate 13 spacing are 5mm-500mm; Collecting plate 13 is triangle undaform collecting plate 131 or trapezoidal undaform collecting plate 132 or circular arc undaform collecting plate 133 by shape of cross section.
Described triangle undaform collecting plate 131, triangle wave inclination angle theta 1 is 0 °-180 °, and triangle wave height H 1 is 5mm-1000mm, and wavelength L1 is 5mm-2000mm, and adjacent two collecting plates, 13 spacing d1 are 5mm-500mm.
Described trapezoidal undaform collecting plate 132, trapezoidal wave inclination angle theta 2 is 90 °-180 °, and wave height H2 is 5mm-1000mm, and wavelength L2 is 5mm-2000mm, and base length lambda is 5mm-50mm, adjacent two collecting plates, 13 spacing d2 are 5mm-500mm.
Described circular arc undaform collecting plate 133, wave height H3 is 5mm-1000mm, and wavelength L2 is 5mm-2000mm, and adjacent two collecting plates, 13 spacing d3 are 5mm-500mm.
Described water seal mouth 4 is detachable.
Embodiment 1: when work, the fog spray head 31 of fetching boiling water, make air flue sidewall collecting plate 13 and the discharge electrode 2 surface attachment moisture films of housing 1 inner chamber, gas containing dust and gypsum particle is entered the air flue being partitioned into by collecting plate 13 by air inlet 11, after collecting plate 13 and discharge electrode 2 that a part dust and gypsum particle has through multiple impact surface the moisture film that flows with dusty gas, be attached to collecting plate 13 and discharge electrode 2 surfaces, along with attachment weight increase the weight of and water droplet wash away the neutralizing water tank 5 that falls into housing 1 below.
Embodiment 2: when work, connect discharge electrode 2 power supplys, electric pressure is that the high voltage direct current of 60000V to 70000V produces high voltage electric field near discharge electrode 2 makes, and to ambient gas, ionization forms charged ion by electric discharge, when dust from gas grit passes through high-voltage electrostatic field by surrounding, bump and charged (or charged in ion diffusion motion) with interelectrode negative ions and electronics, bring the grit of electronics and ion under the effect of electric field force, to be attached on collecting plate 13, gas is discharged by gas outlet 12.Attachment on collecting plate 13 with weight increase the weight of and water droplet wash away the neutralizing water tank 5 that falls into housing 1 below.
Embodiment 3: dust and particle contained in general industrial waste gas are aobvious acid, fall into neutralizing water tank 5 along with dust granule, cause pond pH value too small, at this moment export water pipe by dosing tank 6 and inject alkaline solution to neutralizing water tank 5, neutralizing water tank pH value is turned to normally.In the time that mud is too much, can mud be discharged by the sewage draining exit of neutralizing water tank 5 bottoms, neutralizing water tank 5 is cleared up.
Claims (9)
1. a wet dedusting system, by housing (1), collecting plate (13), discharge electrode (2), spray equipment (3), water seal mouth (4), neutralizing water tank (5) and dosing tank (6) composition, it is characterized in that: housing (1) is cuboid tube cavity, two ends, left and right open wide and are respectively air inlet (11) and gas outlet (12), upper surface evenly offers waterfog head (31) installing hole, bottom opens wide and is furnished with brace summer (14), front/rear end sealing, internal cavities is imported and exported direction Vertical Uniform at plural collecting plate (13) along pipeline by quantity and is divided into the air flue that size is identical, the air flue that discharge electrode (2) is partitioned into along collecting plate (13) is evenly arranged on the brace summer (14) that is fixedly mounted on housing (1) bottom, spray equipment (3) is fixedly mounted on by waterfog head (31) on the installing hole of housing (1) upper surface, neutralizing water tank (5) fixed installation is arranged under housing (1), and delivery port connects spray equipment (3) by the water pipe with compression pump, and bottom is provided with plasma discharge mouth, water seal mouth (4) is arranged on housing (1) bottom, and neutralizing water tank (5) is vertically stretched into below liquid level in lower end, dosing tank holds alkaline solution in (6), connects neutralizing water tank (5) water inlet by the pipeline with rear pump.
2. wet dedusting system as claimed in claim 1, is characterized in that: housing (1), collecting plate (13), discharge electrode (2), spray equipment (3), water seal mouth (4), neutralizing water tank (5) and dosing tank (6) do corrosion resistant and process or use resistant material.
3. wet dedusting system as claimed in claim 1, is characterized in that: discharge electrode (2) and housing (1) insulating mounting.
4. wet dedusting system as claimed in claim 1, is characterized in that: each discharge electrode (2) equates apart from the distance of both sides collecting plate (13), and is 200-800mm along adjacent two discharge electrodes (2) spacing of air flue.
5. wet dedusting system as claimed in claim 1, is characterized in that: collecting plate (13) quantity in housing (1) is more than two; Adjacent collecting plate (13) spacing is 5mm-500mm; Collecting plate (13) is triangle undaform collecting plate (131) or trapezoidal undaform collecting plate (132) or circular arc undaform collecting plate (133) by shape of cross section.
6. wet dedusting system as claimed in claim 5, it is characterized in that: triangle undaform collecting plate (131), triangle wave inclination angle theta 1 is 0 °-180 °, triangle wave height H 1 is 5mm-1000mm, wavelength L1 is 5mm-2000mm, and adjacent two collecting plates (13) spacing d1 is 5mm-500mm.
7. wet dedusting system as claimed in claim 5, it is characterized in that: trapezoidal undaform collecting plate (132), trapezoidal wave inclination angle theta 2 is 90 °-180 °, wave height H2 is 5mm-1000mm, wavelength L2 is 5mm-2000mm, base length lambda is 5mm-50mm, and adjacent two collecting plates (13) spacing d2 is 5mm-500mm.
8. wet dedusting system as claimed in claim 5, it is characterized in that: circular arc undaform collecting plate (133), wave height H3 is 5mm-1000mm, and wavelength L2 is 5mm-2000mm, and adjacent two collecting plates (13) spacing d3 is 5mm-500mm.
9. wet dedusting system as claimed in claim 1, is characterized in that: water seal mouth (4) is detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410152213.6A CN103877823B (en) | 2014-04-16 | 2014-04-16 | Wet dedusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410152213.6A CN103877823B (en) | 2014-04-16 | 2014-04-16 | Wet dedusting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103877823A true CN103877823A (en) | 2014-06-25 |
| CN103877823B CN103877823B (en) | 2015-12-30 |
Family
ID=50947145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410152213.6A Expired - Fee Related CN103877823B (en) | 2014-04-16 | 2014-04-16 | Wet dedusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103877823B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307286A (en) * | 2014-09-30 | 2015-01-28 | 江西四通重工机械有限公司 | High-efficiency combined type dust collection device |
| CN104707436A (en) * | 2015-03-26 | 2015-06-17 | 长沙中瞿新材料科技有限公司 | Coke oven gas dust removal device |
| CN104985533A (en) * | 2015-07-31 | 2015-10-21 | 华南理工大学 | Low-energy consumption pollution-free air internal circulation wood grinding and sanding dust suction system |
| CN105126516A (en) * | 2015-08-17 | 2015-12-09 | 中国重型机械研究院股份公司 | Cylindrical vertical-type wet-type explosion-proof compression-resistant desulphurizing and dedusting device |
| CN109745809A (en) * | 2017-11-03 | 2019-05-14 | 汉科系统科技股份有限公司 | Dust filtering device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58180218A (en) * | 1982-04-14 | 1983-10-21 | Nippon Zoki Pharmaceut Co Ltd | Dust collecting device |
| WO2007140882A1 (en) * | 2006-06-07 | 2007-12-13 | Alstom Technology Ltd | Wet electrostatic precipitator |
| CN203002163U (en) * | 2012-12-31 | 2013-06-19 | 福建龙净环保股份有限公司 | Wet-process desulphurization wet type electrostatic precipitation system |
| CN203235567U (en) * | 2013-04-27 | 2013-10-16 | 福建东源环保有限公司 | High-efficiency wet method static dust collector |
| CN103585842A (en) * | 2012-08-16 | 2014-02-19 | 占协琼 | Wet-type dust removing device |
| CN203777884U (en) * | 2014-04-16 | 2014-08-20 | 任利萍 | Wet type dust removal system |
-
2014
- 2014-04-16 CN CN201410152213.6A patent/CN103877823B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58180218A (en) * | 1982-04-14 | 1983-10-21 | Nippon Zoki Pharmaceut Co Ltd | Dust collecting device |
| WO2007140882A1 (en) * | 2006-06-07 | 2007-12-13 | Alstom Technology Ltd | Wet electrostatic precipitator |
| CN103585842A (en) * | 2012-08-16 | 2014-02-19 | 占协琼 | Wet-type dust removing device |
| CN203002163U (en) * | 2012-12-31 | 2013-06-19 | 福建龙净环保股份有限公司 | Wet-process desulphurization wet type electrostatic precipitation system |
| CN203235567U (en) * | 2013-04-27 | 2013-10-16 | 福建东源环保有限公司 | High-efficiency wet method static dust collector |
| CN203777884U (en) * | 2014-04-16 | 2014-08-20 | 任利萍 | Wet type dust removal system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307286A (en) * | 2014-09-30 | 2015-01-28 | 江西四通重工机械有限公司 | High-efficiency combined type dust collection device |
| CN104307286B (en) * | 2014-09-30 | 2015-12-02 | 江西四通重工机械有限公司 | Efficient compound dust arrester |
| CN104707436A (en) * | 2015-03-26 | 2015-06-17 | 长沙中瞿新材料科技有限公司 | Coke oven gas dust removal device |
| CN104985533A (en) * | 2015-07-31 | 2015-10-21 | 华南理工大学 | Low-energy consumption pollution-free air internal circulation wood grinding and sanding dust suction system |
| CN104985533B (en) * | 2015-07-31 | 2019-01-29 | 华南理工大学 | Circulation timber polishing sanding dust collecting system in low energy consumption non-contaminated air |
| CN105126516A (en) * | 2015-08-17 | 2015-12-09 | 中国重型机械研究院股份公司 | Cylindrical vertical-type wet-type explosion-proof compression-resistant desulphurizing and dedusting device |
| CN109745809A (en) * | 2017-11-03 | 2019-05-14 | 汉科系统科技股份有限公司 | Dust filtering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103877823B (en) | 2015-12-30 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20151230 Termination date: 20170416 |