CN204074255U - Power plant dry fog electrostatic precipitation system - Google Patents
Power plant dry fog electrostatic precipitation system Download PDFInfo
- Publication number
- CN204074255U CN204074255U CN201420575720.6U CN201420575720U CN204074255U CN 204074255 U CN204074255 U CN 204074255U CN 201420575720 U CN201420575720 U CN 201420575720U CN 204074255 U CN204074255 U CN 204074255U
- Authority
- CN
- China
- Prior art keywords
- dry fog
- communicated
- dust
- entrance point
- power plant
- 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.)
- Expired - Fee Related
Links
Landscapes
- Electrostatic Separation (AREA)
Abstract
Power plant dry fog electrostatic precipitation system, it relates to a kind of dust pelletizing system.Fine dust in power plant discharge flue gas is because its particle diameter is little, carrying capacity is not enough, and the low efficiency of dust collection of existing dust arrester that causes of migration velocity is low, the problem of the collecting effect difference of fine dust.The utility model also comprises dry fog hybrid channel pipe and goes out dirt tube channel, described dry fog hybrid channel pipe is two enter one and go out tube channel, the dust entrance point of dry fog hybrid channel pipe is communicated with boiler, the dry fog entrance point of dry fog hybrid channel pipe is communicated with one end of dry fog generator, the other end of dry fog generator is communicated with air compressor, first port of export of dry fog hybrid channel pipe is communicated with one end of electrostatic precipitator, the other end of electrostatic precipitator is communicated with the entrance point going out dirt tube channel, the entrance point of the port of export and air-introduced machine that go out dirt tube channel is communicated with, the port of export of air-introduced machine is communicated with discharger.The utility model is used for the dedusting of power plant effluent.
Description
Technical field
The utility model relates to a kind of power plant dry fog electrostatic precipitation system, belongs to be specifically designed to a dispersed granules to separate improved art of filters from gas or steam.
Background technology
Electric cleaner is the corollary equipment of thermal power plant indispensability, electric cleaner is because of simple, the easy to maintenance and higher efficiency of dust collection of its structure, be widely used in industrial smoke discharge field, its cardinal principle makes air ionization by high voltage source, the charged particle produced is combined with dust, make dust charged, and then adsorbed by pole plate under the effect of electric field force, reach the absorption to dust.Particle flue dust in boiler emission flue gas is removed by its function, thus significantly reduces the fume amount entered in atmosphere, and this is that environmental protect pollutes, and improves the important environmental protection equipment of air quality.When its operation principle is flue gas by flue before electric cleaner agent structure, make its flue dust positively charged, then flue gas enters the electric cleaner passage arranging multilayer cathode plate.Due to the mutual suction-operated of positively charged flue dust and negative electrode electroplax, the particle flue dust in flue gas is made to be adsorbed on negative electrode, minus plate is hit in timing, make that there is certain thickness flue dust to drop in the ash bucket below electric cleaner structure in the double action drop of deadweight and vibration, thus reach the object of the flue dust removed in flue gas.
When current PM2.5 pollutes day by day serious, electric cleaner has been suggested requirements at the higher level to process fine dust as the important device of process dust.Although electric cleaner can reach 99% to the collection efficiency of dust, the collecting effect for PM2.5 micronic dust is bad.Its main cause is: in pollutant, fine dust is because its particle diameter is little, carrying capacity is not enough, and low its efficiency utilizing electrostatic methods minimizing technology that causes of migration velocity is not high, and the collecting effect of PM2.5 micronic dust is naturally just bad.Therefore, how to improve electric cleaner better to the collection efficiency of micronic dust fine particle, become the top priority that electrostatic precipitation art is improved.
Utility model content
The purpose of this utility model is to provide a kind of power plant dry fog electrostatic precipitation system, fine dust in flue gas is discharged because its particle diameter is little, carrying capacity is not enough to solve power plant, the low efficiency of dust collection of existing dust arrester that causes of migration velocity is low, the problem of the collecting effect difference of fine dust.
The utility model is solve the problems of the technologies described above the technical scheme taked to be:
Described power plant dry fog electrostatic precipitation system comprises boiler, air compressor, dry fog generator, electrostatic precipitator, air-introduced machine and discharger, described power plant dry fog electrostatic precipitation system also comprises dry fog hybrid channel pipe and goes out dirt tube channel, described dry fog hybrid channel pipe is two enter one and go out tube channel, described dry fog hybrid channel pipe comprises dust entrance point, dry fog entrance point and first port of export, the dust entrance point of described dry fog hybrid channel pipe is communicated with boiler, the dry fog entrance point of described dry fog hybrid channel pipe is communicated with one end of dry fog generator, the other end of described dry fog generator is communicated with air compressor, first port of export of described dry fog hybrid channel pipe is communicated with one end of electrostatic precipitator, the other end of described electrostatic precipitator is communicated with the entrance point going out dirt tube channel, described go out the port of export of dirt tube channel be communicated with the entrance point of air-introduced machine, the port of export of described air-introduced machine is communicated with discharger.
The utility model has following beneficial effect:
1, the utility model novel in structural design is reasonable, it is the dedicated system for the fine dust in power plant effluent is separated from boiler smoke, in the utility model, boiler, dry fog generator and electrostatic precipitator effectively combine by the structure of dry fog hybrid channel pipe, fine dust in Guan Neishi power plant, dry fog hybrid channel effluent is charged and mix with micron order dry fog, after mixed particle enters in electrostatic precipitator and removes conventional dust and fine dust, be sent to exhausts by going out dirt tube channel by air-introduced machine sucking-off.
2, the utility model is used for dry fog and fine dust similar dissolve mutually theory, strengthens fine dust chargeability, thus effectively removes PM2.5 micronic dust in pollutant, and the collection efficiency of the utility model to PM2.5 micronic dust reaches 96%.
3, the utility model purification efficiency high pass dry fog hybrid channel pipe and go out the setting of dirt tube channel and air compressor, between dry fog generator and electrostatic precipitator with the use of making the increase 30% compared with existing electric cleaner of the effective flow area of electric field, the grain dust of more than 0.01 micron can be collected, the utility model up to 96%, effectively avoids anthraco-silicosis to endanger for below 10um respirable dust regulation effect.
4, structure of the present utility model and existing electric cleaner simplified in comparison, energy-conservation.Its drag losses is reduction 10% compared with existing electric cleaner, and total energy consumption reduces by 15%.The exhaust gas volumn of process 1000m/h need consume electric energy 0.2-0.8kWh.General below 20 millimeters of water, and cyclone dust collectors compare, even if consider power supply unit and vibration body power consumption, total power consumption of the present utility model is still smaller.
5, the utility model reaches 400 square metres to the maximum field sectional area that treatment quantity is discharged in power plant.
6, the utility model allows operating temperature 250 DEG C.
7, in the utility model because dry fog generator can produce the fine water-spray particle of below 10um, make it have to catch with traditional wet compared with dirt mode and there is more advantage, first be that water consumption is minimum, 1 hourly consumption of the single shower nozzle in dry fog generator is 42L, humidity of materials is gained in weight than 0.02% ~ 0.05%, steam is fully atomized, very micro-to the effect on coal quality in boiler, avoid making surface of the present utility model occur seeping phenomenon simultaneously.
8, do not add any chemical reagent in the utility model, secondary pollution is not existed to environment, advantageously in environmental protection.
9, the utility model is flexible for installation, less by applied environment restriction, is applicable to the pollution sources of uncontrollable discharge, airtight or semi-enclosed space, meets most of working condition in power plant.
10, the utility model is not by temperature and seasonal control, all can normally use under the hot environment in summer and under the low temperature environment in winter.
11, the utility model dust removing effects in the work of experimental stage is stablized, and floor space is little, easy to operate, runs, maintenance cost is cheap, can use by popularity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model (in figure, filled arrows direction refers to the flow direction that flue gas is discharged in power plant, and hollow arrow direction refers to the flow direction of the micron order dry fog that dry fog generator 3 produces).
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 illustrates present embodiment, the dry fog electrostatic precipitation system of power plant described in present embodiment comprises boiler 1, air compressor 2, dry fog generator 3, electrostatic precipitator 5, air-introduced machine 7 and discharger 8, described power plant dry fog electrostatic precipitation system also comprises dry fog hybrid channel pipe 4 and goes out dirt tube channel 6, described dry fog hybrid channel pipe 4 is two enter one and go out tube channel, described dry fog hybrid channel pipe 4 comprises dust entrance point 4-1, dry fog entrance point 4-2 and the first port of export 4-3, the dust entrance point 4-1 of described dry fog hybrid channel pipe 4 is communicated with boiler 1, the dry fog entrance point 4-2 of described dry fog hybrid channel pipe 4 is communicated with one end of dry fog generator 3, the other end of described dry fog generator 3 is communicated with air compressor 2, first port of export 4-3 of described dry fog hybrid channel pipe 4 is communicated with one end of electrostatic precipitator 5, the other end of described electrostatic precipitator 5 is communicated with the entrance point going out dirt tube channel 6, described go out the port of export of dirt tube channel 6 be communicated with the entrance point of air-introduced machine 7, the port of export of described air-introduced machine 7 is communicated with discharger 8.
The utility model dry fog hybrid channel pipe 4 is the pipelines of discharging flow of flue gas for power plant, and going out dirt tube channel 6 is discharge tube channel used again for discharging power plant after flue gas removes fine dust.The utility model is to being discharge fine dust in flue gas for removing power plant, and fine dust comprises PM2.5 micronic dust.The utility model to be directly installed in conventional power plant's dust pelletizing system and not to affect former power plant dust pelletizing system system and normally runs.In the utility model, boiler 1, air compressor 2, dry fog generator 3, electrostatic precipitator 5, air-introduced machine 7 and discharger 8 are existing component, and model is not limit, and can realize goal of the invention.
Detailed description of the invention two: composition graphs 1 illustrates present embodiment, the hybrid channel of dry fog described in present embodiment pipe 4 also comprises first passage body 4-4 and second channel body 4-5, one end of described first passage body 4-4 is dust entrance point 4-1, the other end of described first passage body 4-4 is the first port of export 4-3, one end of described second channel body 4-5 is connected with first passage body 4-4 and it is vertically set near the first port of export 4-3 place, and the other end of described second channel body 4-5 is dry fog entrance point 4-2.
In present embodiment, first port of export 4-3 of first passage body 4-4 is communicated with electrostatic precipitator 5, the dry fog entrance point 4-2 of described second channel body 4-5 is communicated with dry fog generator 3, it is to can effectively be pressed close to the position of dry fog generator 3 and electrostatic precipitator 5 that the position like this of described first passage body 4-4 and second channel body 4-5 is arranged, electrostatic precipitator 5 can be directly entered after the micron order dry fog that produces with dry fog generator in dry fog hybrid channel pipe 4 of fine dust of discharging in boiler 1 fully mixes, strengthen the chargeability of fine dust and the micron order dry fog mixed to greatest extent, thus more effectively remove PM2.5 micronic dust.
Air compressor 2 provides power for dry fog generator 3, and the diameter of the dry fog particle diameter in dry fog generator 3 is: 1 μm of < dry fog particle diameter≤10 μm, and the dry fog amount added is: every 2,000,000 liters of flue gases add 30 ~ 50 kilograms of dry fog.The operation principle of dry fog generator 3 is by the sound wave vibrator of compressed air-driven, and by high frequency sound wave by water high atomisation, " blast " becomes the water fog particle of 1 ~ 10um size.Water fog particle is ejected in flue gas with the atomized manner of soft low speed by shower nozzle resonant chamber by compressed air stream.Micron order suppressing dust with dry mist principle is theoretical based on the research of American-European scientist: the probability of adsorb when water fog particle is close with dust granules size, filter, condensing is maximum.Dry fog is water conservancy high frequency oscillation or pressure-air is instantaneous dispels, particle is allowed to be in process between 1 μm of < dry fog particle diameter≤10 μm, simultaneously most of respirable dust particle dust of being also in 1 μm of < particle diameter≤10 μm increases because of dry fog grain density, granular size is consistent, proportion is close, suffered gravity is the same, therefore in flue gas the time of staying equal, such dust granules and dry fog particle just can fully condense simultaneously, dust granules plays the effect of the nuclei of condensation, large dust granules is formed together with dry fog particle condenses in dust granules, due to dry fog particle good conductivity, the large dust granules ratio resistance formed declines, chargeability strengthens, thus effectively improve electrostatic precipitation to the collection ability of PM2.5 micronic dust, reach the optimum efficiency of depositing dust dust suppression.Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 1 illustrates present embodiment, described in present embodiment, described discharger 8 is chimney.Other composition and annexation identical with two with detailed description of the invention one.
In conjunction with detailed description of the invention one, two and three, operation principle of the present utility model is described:
The utility model utilizes dry fog and fine dust similar dissolve mutually theory, strengthens fine dust chargeability by electrostatic precipitator 5, thus effectively removes the PM2.5 micronic dust in power plant discharge flue gas.Boiler 1 discharge micron order dry fog that the fine dust in flue gas produces with dry fog generator in dry fog hybrid channel pipe 4 mix laggard enter electrostatic precipitator 5, remove conventional dust and fine dust in electrostatic precipitator 5 after, then by be communicated with electrostatic precipitator 5 go out dirt tube channel 6 after send into discharger 8 by air-introduced machine 7 sucking-off and discharge.
Claims (3)
1. a power plant dry fog electrostatic precipitation system, described power plant dry fog electrostatic precipitation system comprises boiler (1), air compressor (2), dry fog generator (3), electrostatic precipitator (5), air-introduced machine (7) and discharger (8), it is characterized in that: described power plant dry fog electrostatic precipitation system also comprises dry fog hybrid channel pipe (4) and goes out dirt tube channel (6), described dry fog hybrid channel pipe (4) is two enter one and go out tube channel, described dry fog hybrid channel pipe (4) comprises dust entrance point (4-1), dry fog entrance point (4-2) and first port of export (4-3), the dust entrance point (4-1) of described dry fog hybrid channel pipe (4) is communicated with boiler (1), the dry fog entrance point (4-2) of described dry fog hybrid channel pipe (4) is communicated with one end of dry fog generator (3), the other end of described dry fog generator (3) is communicated with air compressor (2), first port of export (4-3) of described dry fog hybrid channel pipe (4) is communicated with one end of electrostatic precipitator (5), the other end of described electrostatic precipitator (5) is communicated with the entrance point going out dirt tube channel (6), described go out the port of export of dirt tube channel (6) be communicated with the entrance point of air-introduced machine (7), the port of export of described air-introduced machine (7) is communicated with discharger (8).
2. power plant dry fog electrostatic precipitation system according to claim 1, it is characterized in that: described dry fog hybrid channel pipe (4) also comprises first passage body (4-4) and second channel body (4-5), one end of described first passage body (4-4) is dust entrance point (4-1), the other end of described first passage body (4-4) is first port of export (4-3), one end of described second channel body (4-5) is connected with first passage body (4-4) and it is vertically set near first port of export (4-3) place, the other end of described second channel body (4-5) is dry fog entrance point (4-2).
3. power plant dry fog electrostatic precipitation system according to claim 1 or 2, is characterized in that: described discharger (8) is chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575720.6U CN204074255U (en) | 2014-09-30 | 2014-09-30 | Power plant dry fog electrostatic precipitation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575720.6U CN204074255U (en) | 2014-09-30 | 2014-09-30 | Power plant dry fog electrostatic precipitation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204074255U true CN204074255U (en) | 2015-01-07 |
Family
ID=52167021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420575720.6U Expired - Fee Related CN204074255U (en) | 2014-09-30 | 2014-09-30 | Power plant dry fog electrostatic precipitation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204074255U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741237A (en) * | 2015-04-07 | 2015-07-01 | 王浦林 | High-voltage charged water mist agglutination type air purification device |
| CN105289847A (en) * | 2015-09-16 | 2016-02-03 | 华北电力大学 | Static electricity high-efficient collecting device applicable to water mist discharged by wet cooling tower of thermal power plant |
| CN106178799A (en) * | 2016-09-13 | 2016-12-07 | 成都创慧科达科技有限公司 | A kind of thermal power plant environment-protective circulating dust arrester |
| CN116213113A (en) * | 2022-12-29 | 2023-06-06 | 亚利威环保科技(苏州)有限公司 | Wet-type electrostatic catching system for preventing pipe wall adhesion |
-
2014
- 2014-09-30 CN CN201420575720.6U patent/CN204074255U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741237A (en) * | 2015-04-07 | 2015-07-01 | 王浦林 | High-voltage charged water mist agglutination type air purification device |
| CN105289847A (en) * | 2015-09-16 | 2016-02-03 | 华北电力大学 | Static electricity high-efficient collecting device applicable to water mist discharged by wet cooling tower of thermal power plant |
| CN106178799A (en) * | 2016-09-13 | 2016-12-07 | 成都创慧科达科技有限公司 | A kind of thermal power plant environment-protective circulating dust arrester |
| CN106178799B (en) * | 2016-09-13 | 2019-03-08 | 成都创慧科达科技有限公司 | A kind of thermal power plant's environment-protective circulating dust-extraction unit |
| CN116213113A (en) * | 2022-12-29 | 2023-06-06 | 亚利威环保科技(苏州)有限公司 | Wet-type electrostatic catching system for preventing pipe wall adhesion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204074255U (en) | Power plant dry fog electrostatic precipitation system | |
| CN103447153A (en) | Electronic dust remover | |
| CN102430478A (en) | Device and method for removing PM 2.5 from smoke | |
| CN105289844A (en) | Charged water spray printing and dyeing waste gas treatment device and method | |
| CN103962240A (en) | Wet type electric precipitation device and method for removing fine particulate matters in smoke desulfurized by wet process | |
| CN204799417U (en) | Tubular conductive glass wet -type electrostatic precipitator | |
| CN104324805A (en) | Method for capturing PM2.5 fine particles through water mist charged coagulation for electric precipitation | |
| CN103933820A (en) | Fuel gas deep-purification device and application thereof | |
| CN202666644U (en) | Water-saving and low-energy-consumption flue gas dry-wet compound dedusting and desulfurizing system | |
| CN204745973U (en) | Filter screen formula wet -type electricity dust collector | |
| CN104801422B (en) | Efficient dust removal system for coal-fired flue gas | |
| CN102091496A (en) | Double-effect dust remover with long service life | |
| CN104069712A (en) | Chemical coagulation-based 'electricity-bag' integrated compound dust removing process | |
| CN104069713B (en) | A kind of electricity-bag dust collecting process strengthening coalescence | |
| CN203853168U (en) | Device for removing PM2.5 from wet flue gas | |
| Zhang et al. | Multi-field coupling and synergistic removal of fine particles in coal-fired flue gas | |
| CN206631369U (en) | A kind of biomass boiler dust pelletizing system flying dust recovery system | |
| CN203916387U (en) | A kind of flue gas device for deep cleaning | |
| CN206008253U (en) | One kind is used for sintering/pelletizing wet desulfurization flue gas deep treatment system | |
| CN204563845U (en) | A kind of annular concentric polar-plate-type dust-removing and desulfurizing integrated device | |
| CN203874903U (en) | Wet-type electric filtration device with high gas speed and high efficiency for deeply treating PM2.5 | |
| CN203425913U (en) | Waste gas wet-process electrostatic dust collector | |
| CN203565195U (en) | Electric dust precipitator | |
| CN205340456U (en) | Flue gas dust removal system | |
| CN201565363U (en) | Direct flow type cyclone dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150930 |
|
| EXPY | Termination of patent right or utility model |