CN204503337U - A kind of wet desulphurization electric demister - Google Patents
A kind of wet desulphurization electric demister Download PDFInfo
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- CN204503337U CN204503337U CN201520132704.4U CN201520132704U CN204503337U CN 204503337 U CN204503337 U CN 204503337U CN 201520132704 U CN201520132704 U CN 201520132704U CN 204503337 U CN204503337 U CN 204503337U
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- flue gas
- anode
- anode tube
- wet desulphurization
- electric demister
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Abstract
The utility model relates to a kind of flue gas purifying equipment, particularly relate to a kind of wet desulphurization electric demister, comprise housing, one end of housing is gas approach, the other end is exhanst gas outlet, sets gradually comprise cooling atomizing layer, flue gas even distribution plate, anode honeycomb duct, spray equipment and power supply in housing along the direction of flow of flue gas.Cooling atomizing layer is provided with some atomizers.Anode honeycomb duct is that orthohexagonal anode tube forms by some cross sections, and anode tube center is provided with cathode line, forms electric field for collecting the droplet in flue gas after cathode line and anode tube are energized; Spray equipment is arranged at anode honeycomb duct top, and spray equipment cleaning showers liquid is used for the cleaning of anode tube surfaces externally and internally.The electric demister of this structure can droplet effectively in demist flue gas, and use safety.
Description
Technical field
The utility model relates to a kind of flue gas purifying equipment, particularly relates to a kind of wet desulphurization electric demister.
Background technology
The energy consumption per unit that China " 12 " planning outline proposes declines 16%, and CO2 emission reduces by 17%, and total emissions of major pollutants reduces 8-10%.
" 12 " are the critical periods of China's socio-economic development transition, realize low carbon development, Green Development is the theme that " 12 " are developed.But due to the particularity of China's energy resource structure, within considerable time, can not there is essence change in the primary energy supply pattern based on coal.Generally speaking, " 12 " period, energy demand also can keep the situation grown at top speed, according to State Grid's project study center about " the medium-term and long-term generating capacity of China and electricity needs development prediction ", by the end of the year 2013, China's coal electricity installed capacity will be 8.47 hundred million kilowatts.Prediction the year two thousand thirty coal Denso machine 12.5-14 hundred million kilowatts; The year two thousand fifty coal Denso machine 14-15 hundred million kilowatts.Large-scale coal fired power generation can bring than now more serious environmental problem.
The coal-burning boiler of current all parts of the country all maybe will add desulfurizer, and wherein more than 90% is wet desulphurization device, and the object of desulfurization own removes pollutants in air SO
2, improve air quality, but the wet flue gas fog that desulfurization Wet chimney is discharged is very large, causes misunderstanding, think that this is dense smoke to neighbouring resident, moreover the flue gas hangover had is very long, the living environment of significantly affecting local resident.In addition, its desulfurization " gypsum rain " phenomenon is a national difficult problem now, and the gypsum rain (mainly being carried secretly by droplet) that desulfurizing tower is discharged descends slowly and lightly to the vegetable plot of peasant, the windowsill balcony etc. of resident, brings the inconvenience of life to local resident.
Wet type electric demister can remove the droplet in flue gas effectively, eliminates " gypsum rain " phenomenon, can also reduce PM2.5 dust, SO simultaneously
3with the pollutant such as mercury and oxide thereof, having a extensive future of coal-burning power plant of China.
Utility model content
The utility model improves for prior art Problems existing, and the technical problems to be solved in the utility model is to provide a kind of wet desulphurization electric demister.
For solving the problems of the technologies described above, wet desulphurization electric demister of the present utility model comprises housing, one end of described housing is gas approach, the other end is exhanst gas outlet, set gradually along the direction of flow of flue gas in housing and comprise cooling atomizing layer, flue gas even distribution plate, anode honeycomb duct, spray equipment and power supply, wherein said cooling atomizing layer flow of flue gas direction vertical with flue gas even distribution plate is arranged, and the parallel flow of flue gas direction of described anode honeycomb duct is arranged;
Described cooling atomizing layer is provided with some atomizers;
Described anode honeycomb duct is that orthohexagonal anode tube forms by some cross sections, and described anode tube center is provided with cathode line, forms electric field for collecting the droplet in flue gas after described cathode line and anode tube are energized;
Described spray equipment is arranged at anode honeycomb duct top, and described spray equipment is provided with some spray heads, and described spray equipment cleaning showers liquid is used for the cleaning of anode tube surfaces externally and internally.
Further, described power supply is constant flow high pressure power supply, and described constant flow high pressure power supply is arranged at smoke outlet, and the voltage of described constant flow high pressure power supply is 72kV-80kV, and electric current is 1000mA-1400mA, described current adjustment joint.
Further, also comprise insulated case, described insulated case is arranged at the two ends of described cathode line, for cathode line and wet desulphurization electric demister being isolated.
Further, also comprise hot-air blowing system, described hot-air blowing system is used for dry insulated case.
Further, the material of described cathode line is Q235, outsourcing FRP/PbSb4.
Further, described anode tube is fiberglass C-FRP, and the inscribed circle diameter of described anode tube cross section is 300-360mm.
Beneficial effect: 1. gas approach place is provided with cooling atomizing layer, cooling atomizing layer is provided with some atomizers, and atomizer is for reducing flue-gas temperature and increase flue fog drip particle diameter, and droplet is condensed further, make electric demister be more prone to catch, improve demisting efficiency.2. flue gas even distribution plate makes the air flow method of flue gas even, reduces the speed of flow of flue gas, improves demisting efficiency.3. anode honeycomb duct is that orthohexagonal anode tube forms by some cross sections, anode tube center is provided with cathode line, after cathode line and anode tube are energized, form electric field makes air molecule be ionized, produce a large amount of electronics and positive and negative ion instantaneously, these electronics and ion do directed movement under the effect of electric field force, constitute the medium of trapping droplet.Make droplet particulate charged, these charged droplet particles, under the effect of electric field force, do directed movement simultaneously, arrive in the anode tube of trapping droplet.In addition, the spray equipment cleaning showers liquid be arranged in anode tube can be used for anode tube cleaning.4. electric demister is also provided with insulated case, and cathode line is isolated from electric demister by insulated case, and meanwhile, hot-air blowing system dry insulated case can also prevent electric leakage, guarantees the security that electric demister uses.To sum up, enter electric demister to put into its droplet content of former flue gas and be about 75mg/Nm
3, the flue gas droplet content≤25mg/Nm after processing
3, electric demister demist successful, the simple and use safety of structure.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, specific embodiments of the present utility model is described in further detail;
Fig. 1 is the overall structure schematic diagram of the utility model wet desulphurization electric demister embodiment;
Fig. 2 is the structural representation between the utility model wet desulphurization electric demister embodiment Anodic pipe and cathode line;
Fig. 3 is the cross-sectional view of the utility model wet desulphurization electric demister embodiment;
Description of reference numerals
1-gas approach; 2-lowers the temperature atomizing layer; 3-flue gas even distribution plate; 4-anode tube; 5-cathode line; 6-spray equipment; 7-constant flow high pressure power supply; 8-insulated case; 9-exhanst gas outlet.
Detailed description of the invention
Figure 1 shows that the overall structure schematic diagram of wet desulphurization electric demister embodiment, comprise housing, one end of housing is gas approach 1, the other end is exhanst gas outlet 9, set gradually along the direction of flow of flue gas in housing and comprise cooling atomizing layer 2, flue gas even distribution plate 3, anode honeycomb duct, spray equipment 6 and power supply, wherein cooling atomizing layer 2 flow of flue gas direction vertical with flue gas even distribution plate 3 is arranged, the parallel flow of flue gas direction of anode honeycomb duct is arranged, cooling atomizing layer 2 is provided with some atomizers, spray equipment 6 is provided with some spray heads.
Wet desulphurization electric demister embodiment Anodic pipe 4 shown in composition graphs 2 and the structural representation between cathode line 5, anode honeycomb duct is that orthohexagonal anode tube 4 forms by some cross sections, anode tube 4 center is provided with cathode line 5, form electric field spray equipment 6 after cathode line 5 and anode tube 4 are energized and be arranged at anode honeycomb duct top, spray equipment 6 cleaning showers liquid is used for the cleaning of anode tube surfaces externally and internally.Particularly, the material of the cathode line 5 in the present embodiment is Q235, outsourcing FRP/PbSb4; Anode tube 4 is fiberglass C-FRP, and the inscribed circle diameter of anode tube 4 cross section is 300-360mm; Power supply is constant flow high pressure power supply 7, and constant flow high pressure power supply 7 is arranged at exhanst gas outlet 9 place, and the voltage of constant flow high pressure power supply 7 is 72kV-80kV, and electric current is 1000mA-1400mA, is in operation and can carries out the adjustment of electric current, for regulating except fog effect.
In addition, electric demister also comprises insulated case 8, and insulated case 8 is arranged at the two ends of cathode line, for cathode line and electric demister being isolated; The hot-air blowing system matched with it, for dry insulated case, dry insulated case 8 can prevent electric leakage, guarantee the security that electric demister uses.
Figure 3 shows that the cross-sectional view of wet desulphurization electric demister embodiment, anode tube 4 in cellular close-packed arrays, effectively utilizes space in housing, in addition, also can find out and be provided with insulated case 8 in cathode line 5.
The content of original flue fog drip is about 75mg/Nm
3, temperature is 30-50 DEG C, and saturated wet flue gas enters electric demister from gas approach from bottom to top.First, be arranged on atomizer on the cooling atomizing layer 2 at gas approach place and start, the ejecta of atomizer is outside from electric demister, is generally water, and atomizer is for reducing flue-gas temperature and increase flue fog drip particle diameter, and droplet is condensed further.And then, the flue gas even distribution plate 3 closing on the setting of cooling atomizing layer 2 makes the air flow method of flue gas even, reduces the speed of flow of flue gas.Then, the cathode line 5 under "on" position forms electric field with anode tube 4 makes air molecule be ionized, and produce a large amount of electronics and positive and negative ion instantaneously, these electronics and ion do directed movement under the effect of electric field force, constitute the medium of trapping droplet.Make droplet particulate charged, these charged droplet particles, under the effect of electric field force, do directed movement simultaneously, arrive in the anode tube 4 of trapping droplet.Achieve flue gas demist object, after supplementary set to the droplet accumulation in anode tube, realize scrubbing under the spray of spray equipment, avoid anode tube 4 surfaces externally and internally and have an impact to except fog effect owing to accumulating too much droplet.Flue gas after processing flows out from exhanst gas outlet and carries out follow-up process, usually through the flue gas droplet content≤25mg/Nm of this device process
3, demist successful.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a wet desulphurization electric demister, comprise housing, one end of described housing is gas approach (1), the other end is exhanst gas outlet (9), it is characterized in that: set gradually along the direction of flow of flue gas in housing and comprise cooling atomizing layer (2), flue gas even distribution plate (3), anode honeycomb duct, spray equipment (6) and power supply, wherein said cooling atomizing layer (2) flow of flue gas direction vertical with flue gas even distribution plate (3) is arranged, and the parallel flow of flue gas direction of described anode honeycomb duct is arranged;
Described cooling atomizing layer (2) is provided with some atomizers;
Described anode honeycomb duct is that orthohexagonal anode tube (4) forms by some cross sections, described anode tube (4) center being provided with cathode line (5), after described cathode line (5) and anode tube (4) are energized, forming electric field for collecting the droplet in flue gas;
Described spray equipment (6) is arranged at anode honeycomb duct top, described spray equipment (6) is provided with some spray heads, and described spray equipment (6) cleaning showers liquid is used for the cleaning of anode tube (4) surfaces externally and internally.
2. wet desulphurization electric demister according to claim 1, it is characterized in that: described power supply is constant flow high pressure power supply (7), described constant flow high pressure power supply (7) is arranged at smoke outlet, the voltage of described constant flow high pressure power supply (7) is 72kV-80kV, electric current is 1000mA-1400mA, described current adjustment joint.
3. wet desulphurization electric demister according to claim 2, it is characterized in that: also comprise insulated case (8), described insulated case (8) is arranged at the two ends of described cathode line (5), for cathode line (5) and wet desulphurization electric demister being isolated.
4. wet desulphurization electric demister according to claim 3, is characterized in that: also comprise hot-air blowing system, and described hot-air blowing system is used for dry insulated case (8).
5. the wet desulphurization electric demister according to any one of claim 1-4, is characterized in that: the material of described cathode line (5) is Q235, outsourcing FRP/PbSb4.
6. the wet desulphurization electric demister according to any one of claim 1-4, is characterized in that: described anode tube (4) is fiberglass C-FRP, and the inscribed circle diameter of described anode tube (4) cross section is 300-360mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132704.4U CN204503337U (en) | 2015-03-09 | 2015-03-09 | A kind of wet desulphurization electric demister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132704.4U CN204503337U (en) | 2015-03-09 | 2015-03-09 | A kind of wet desulphurization electric demister |
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| CN204503337U true CN204503337U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520132704.4U Expired - Fee Related CN204503337U (en) | 2015-03-09 | 2015-03-09 | A kind of wet desulphurization electric demister |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107149986A (en) * | 2017-07-03 | 2017-09-12 | 华美节能科技集团有限公司 | A kind of industrial waste-gas purifier |
| CN108339669A (en) * | 2017-01-22 | 2018-07-31 | 同方环境股份有限公司 | A kind of Wet type electric dust-removing device removing fine particle |
| CN111578738A (en) * | 2020-05-21 | 2020-08-25 | 山东国舜建设集团有限公司 | Fog dispersal water collecting device and industrial cooling system |
-
2015
- 2015-03-09 CN CN201520132704.4U patent/CN204503337U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339669A (en) * | 2017-01-22 | 2018-07-31 | 同方环境股份有限公司 | A kind of Wet type electric dust-removing device removing fine particle |
| CN107149986A (en) * | 2017-07-03 | 2017-09-12 | 华美节能科技集团有限公司 | A kind of industrial waste-gas purifier |
| CN111578738A (en) * | 2020-05-21 | 2020-08-25 | 山东国舜建设集团有限公司 | Fog dispersal water collecting device and industrial cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1506 Xihu District, Zhejiang, Wensanlu Road, No. 310000, room 508, Patentee after: Zhejiang North Peak Environmental Engineering Co., Ltd. Address before: 1506 Xihu District, Zhejiang, Wensanlu Road, No. 310000, room 508, Patentee before: Hangzhou Beigaofeng Electric Power Engineering Design Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20190309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |