CN203030152U - Electrostatic fabric filter for controlling fine particle PM2.5 synergic mercury removal - Google Patents
Electrostatic fabric filter for controlling fine particle PM2.5 synergic mercury removal Download PDFInfo
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- CN203030152U CN203030152U CN2012207329618U CN201220732961U CN203030152U CN 203030152 U CN203030152 U CN 203030152U CN 2012207329618 U CN2012207329618 U CN 2012207329618U CN 201220732961 U CN201220732961 U CN 201220732961U CN 203030152 U CN203030152 U CN 203030152U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model relates to industrial dust removers, particularly to an electrostatic fabric filter for controlling fine particle PM2.5 synergic mercury removal. The electrostatic fabric filter, an adsorbent injection device and an adsorbent container are arranged. The electrostatic fabric filter is provided with an inlet horn, a case, an electric field area, an electrostatic fabric transition area, a bag type dust removal area, an ash hopper, a purification chamber and an outlet flue, wherein the inlet horn is arranged at an inlet of the case, the electric field area, the electrostatic fabric transition area and the bag type dust removal area are arranged in the case, the eclectic field area is arranged at the back of the inlet horn, the electrostatic fabric transition area is positioned between the electric field area and the bag type dust removal area; and the ash hopper is located at the bottom of the case, the purification chamber is arranged at the top of the bag type dust removal area, and the outlet flue is disposed at the top of the purification chamber and communicated with the purification chamber; and the adsorbent injection device and the adsorbent container are arranged at the top of the electrostatic fabric transition area, a discharge outlet of the adsorbent container is connected with a feed inlet of the adsorbent injection device. The adsorbent can be fully mixed with flue gas and evenly distributed and is good in the mercury removal effect.
Description
Technical field
The utility model relates to the industrial dedusting device, especially relates to a kind of electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5 that is mainly used in purifying air discharged pollutant in the industrial processes such as thermoelectricity, cement, iron and steel.
Background technology
Along with rapid economy development, the raising day by day of living standards of the people, country is more and more tighter to air quality control requirement, simultaneously performance and the reliability of cleaner is had higher requirement.
PM2.5 refers to aerodynamic diameter less than the particle of 2.5 μ m, and PM2.5 is easy to toxic heavy metal, acidic oxide and the organic pollution etc. in the enriched air By, and it can suck the characteristic of lung, to the harm of health more than PM
10Greatly.Country pays much attention to the control that PM2.5 pollutes, and in November, 2011, State Council's " national environmental protection " 12 " planning " clearly proposes " carrying out ozone, fine particle pollutant monitorings such as (PM2.5) in zones such as Beijing-Tianjin Ji, the Yangtze River Delta and Pearl River Deltas "; In December, 2011, Chinese Ministry of Environmental Protection's review has also been passed new " ambient air quality " in principle, and new standard is included PM2.5 in conventional air quality evaluation first, implements in China.The improvement of PM2.5 ultrafine dust is referred unprecedented height, the research and development of strengthening PM2.5 control technology equipment are imminent.
Simultaneously the Chinese government also pays much attention to the mercury pollution preventing and controlling, and State Council repeatedly transmits and relevantly pollutes the control notice, and has formally issued " heavy metal pollution integrated control " 12 " planning ".The pilot work of China's coal-burning power plant's atmosphere mercury pollution control at present formally starts, and has stipulated the emission limit of mercury and compound thereof in (GB13223-2011) in new discharge standard " thermal power plant's atmosphere pollutants emission standards ".Yet therefore the domestic and international mercury emissions control technology that also lacks economical and efficient is accelerated to develop the demercuration technology with China's independent intellectual property right and is seemed particularly urgent at present.
At present mainly adopt electrostatic precipitator and sack cleaner two kind equipments at the removal of particle in the coal-fired flue-gas.Electrostatic precipitator is better to the big flue dust removal effect of particle, but the removal efficient of fine particle is had much room for improvement; The efficiency of dust collection of bag-type dusting is higher, and fine particle is had removal effect preferably, but because dust concentration is higher, causes the bag-type dusting deashing frequent, reduces the service life of filter bag, and increases maintenance cost and management difficulty.And electricity bag composite dedusting device (the dedusting combination of electric back pkt. before adopting), solve electric cleaner or sack cleaner preferably and used existing technical problem underlying separately, but aspect the capture of fine solid particle PM2.5 and heavy metal Hg, still needed further the reinforcement.
Chinese patent CN102614728A discloses the street lamp rod-type water mist dust fall device that a kind of PM2.5 of control air quality exceeds standard; Comprise the shaft tower base, wherein said shaft tower chassis side is provided with electric control gear and water tank; Be provided with the support roofbolt at the shaft tower base, be provided with support platform in the support bar column top, be provided with water mist dust fall injection equipment and PM2.5 supervising device in support platform; Be connected by pipeline between described water mist dust fall injection equipment and the water tank, be provided with booster pump at this pipeline; Described electric control gear is connected with water mist dust fall injection equipment, PM2.5 supervising device and booster pump circuit respectively.
Chinese patent CN102641636A discloses the high building water mist dust fall device that a kind of PM2.5 of control air quality exceeds standard; Comprise little mist depositing dust injection equipment, wherein said little mist depositing dust injection equipment distributes and is installed in each building top, and the atomizing depositing dust edges of regions of adjacent little mist depositing dust injection equipment is overlapped, and forms high-altitude atomizing depositing dust guard; The equal pipeline of described each little mist depositing dust injection equipment connects the feed pipe of city tap-water, and the pipeline between feed pipe and little mist depositing dust injection equipment is equipped with the high pressure liquid pump, and described each high pressure liquid pump all is connected with electric control gear; The equal circuit of described each electric control gear is connected with the PM2.5 supervising device, and each PM2.5 supervising device is arranged on the side of corresponding little mist depositing dust injection equipment.
Summary of the invention
The purpose of this utility model is to provide a kind of electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5.
The utility model is provided with electric-bag complex dust collector, adsorbent jetting device and absorbent container; Described electric-bag complex dust collector is provided with import loudspeaker, housing, electric field region, electricity bag transition region, bag-type dusting district, ash bucket, air-purifying chamber and exhaust pass; Described import loudspeaker are located at the import of housing, and electric field region, electricity bag transition region and bag-type dusting district are located in the housing, and electric field region is located at the rear of import loudspeaker, and electricity bag transition region is located between electric field region and the bag-type dusting district; Ash bucket is located at the bottom of housing, and air-purifying chamber is located at top, bag-type dusting district, and exhaust pass is located at the air-purifying chamber top and is communicated with air-purifying chamber; Described adsorbent jetting device and absorbent container are located at the top of electricity bag transition region, and the discharging opening of absorbent container is connected with the charging aperture of adsorbent jetting device.
Described electricity bag transition region is provided with at least 2 group positive plate and discharge electrodes, and positive plate and discharge electrode constitute the electric field passage, and the electric field passage is interlocked by positive electric field and negative electric field respectively and forms, and the fore-and-aft distance of described electricity bag transition region can be 400～6000mm; The electricity bag same pole span of transition region plate (being the distance between positive plate and the discharge electrode) can be 300～1200mm.
Described adsorbent jetting device can be provided with at least 1 sorbent injection pipe, and described sorbent injection pipe puts in the rear portion of electric field region and the front of electricity bag transition region; Preferably be provided with at least 1 spray-hole on the described sorbent injection pipe, on the described spray-hole nozzle be installed.The nozzle of adjacent sorbent injection pipe shifts to install.
The utility model utilizes the characteristic of coalescence technology and absorbent absorption mercury, is used for the discharging of control fine solid particle PM2.5 and mercury.
Because adsorbent jetting device described in the utility model adopts the dislocation of multitube porous to spray relatively, be that the adsorbent jetting device has many pipes to put in the rear portion of electric field region, and be provided with a plurality of holes at every pipe, install nozzle then, and the dislocation of the nozzle on per two pipes layout, and spray absorbent relatively, therefore, absorbent is fully mixed with flue gas, and absorbent is more evenly distributed, absorbent demercuration better effects if.
Description of drawings
Fig. 1 is that the structure of the utility model embodiment is formed schematic diagram.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is that the A of Fig. 2 is to schematic diagram.
Fig. 4 is that the structure of electric field region, electricity bag transition region and the adsorbent jetting device of the utility model embodiment is formed schematic diagram.In Fig. 1～4, respectively be labeled as: 1-import loudspeaker, 2-housing, 3-electric field region, 4-electricity bag transition region, 5-bag-type dusting district, 6-ash bucket, 7-filter bag, 8-air-purifying chamber, 9-exhaust pass, 10-adsorbent jetting device, 11-absorbent container, 101-absorbent playpipe, 102-spray-hole, 103-nozzle.
The specific embodiment
Following examples will be further described the utility model by reference to the accompanying drawings.
Referring to Fig. 1～4, the utility model embodiment is provided with electric-bag complex dust collector, adsorbent jetting device 10 and absorbent container 11; Described electric-bag complex dust collector is provided with import loudspeaker 1, housing 2, electric field region 3, electricity bag transition region 4, bag-type dusting district 5, ash bucket 6, air-purifying chamber 8 and exhaust pass 9; Described import loudspeaker 1 are located at the import of housing 2, and electric field region 3, electricity bag transition region 4 and bag-type dusting district 5 are located in the housing 2, and electric field region 3 is located at the rear of import loudspeaker 1, and electricity bag transition region 4 is located between electric field region 3 and the bag-type dusting district 5; Ash bucket 6 is located at the bottom of housing 2, is provided with filter bag 7 in the bag-type dusting district 5, and air-purifying chamber 8 is located at 5 tops, bag-type dusting district, and exhaust pass 9 is located at air-purifying chamber 8 tops and is communicated with air-purifying chamber 8; Described adsorbent jetting device 10 and absorbent container 11 are located at the top of electricity bag transition region 4, and the discharging opening of absorbent container 11 is connected with the charging aperture of adsorbent jetting device 10.
Described electricity bag transition region is provided with at least 1 group positive plate and discharge electrode, and positive plate and discharge electrode constitute the electric field passage, and the electric field passage is interlocked by positive electric field and negative electric field respectively and forms, and described electricity bag transition region 4 fore-and-aft distances can be 400～6000mm; The electricity bag same pole span of transition region plate (being the distance between positive plate and the discharge electrode) can be 300～1200mm.
Described adsorbent jetting device 10 can be provided with at least 1 sorbent injection pipe 101, and described sorbent injection pipe 101 puts in the rear portion of electric field region 3 and the front of electricity bag transition region 4; Preferably be provided with at least 1 spray-hole 102 on the described sorbent injection pipe 101, on the described spray-hole 102 nozzle 103 be installed.The nozzle 103 of adjacent sorbent injection pipe 101 shifts to install.
Control principle of the present utility model is: the structure of utilizing existing electric-bag complex dust collector, regulate the position in electric field region 3 and bag-type dusting district 5, namely fore-and-aft distance is the electricity bag transition region 4 of 400～6000mm between electric field region 3 and bag-type dusting district 5, and the electricity bag same pole span of transition region plate (being the distance between positive plate and the discharge electrode) is 300～1200mm.Jetting device 10, absorbent container 11 are set on electric field region 3, absorbent container 11 feed are given adsorbent jetting device 10, more than 10 pipe of adsorbent jetting device puts in the rear portion of prime electric field region 3, and open a plurality of holes at every pipe, nozzle is installed on the hole, and the dislocation of the nozzle on per two pipes is arranged, and spray absorbent relatively, this spray regime can make absorbent fully mix with flue gas, and absorbent is more evenly distributed, absorbent demercuration better effects if.
As illustrated in fig. 1 and 2, when dust and absorbent enter electricity bag transition region 4, distinguished positive electricity and negative electricity on the lotus.When flue gas leaves an electricity bag transition region 4 and enters bag-type dusting district 5, electric coalescence effect can take place by charges of different polarity Coulomb force with electronegative absorbent and electronegative dust in the absorbent of positively charged and positively charged dust in the flue gas, thereby dust is become the bulky grain thing with the absorbent coalescence, and charged fine dust and charged mercury trapped on the bulky grain thing, be formed with and be beneficial to the big size particles thing that filter bag captures.Especially with plus-minus electric absorbent can with charged dust in mercury generation coalescence effect, can effectively strengthen the absorption ability to mercury in the charged dust.It is more abundant that the dedusting structure of the electricity bag transition region 4 of the positive negative electricity interlaced arrangement of this many groups mixes both positive and negative polarity, and the coalescence better effects if can effectively be controlled the discharging of PM2.5 fine solid particle and mercury by the coalescence technology.
Flue gas flow of the present utility model is: flue gas feeds in the import loudspeaker 1, behind import loudspeaker 1 airflow uniform distribution, flue gas enters in the housing 2 more uniformly, after passing through electric field region 3, electricity bag transition region 4,5 dedustings of bag-type dusting district more successively, clean flue gas enters air-purifying chamber 8, pulse ash remover is installed in air-purifying chamber 8 filter bag 7 is carried out deashing, the deashing of electric field region 3 then relies on the rapping apparatus that himself arranges, the dust that last deashing falls is fallen in the ash bucket 6, and by ash-transmission system the flying dust in the ash bucket 6 is in time cleared up.And the flue gas of air-purifying chamber 8 flows into exhaust pass 9 discharge flue gases.
Described electricity bag transition region 4 is arranged between electric field region 3 and the bag-type dusting district 5, and advantage is:
(1) prime electric field region 3 can be removed in the flue gas about 80% dust, reduce the concentration of dust in the flue gas, reduce charged competition and the interference of dust thicker in the electricity bag transition region 4, improve the charged effect of fine solid particle PM2.5 and mercury, improve the arresting efficiency of fine solid particle PM2.5 and mercury, the dust concentration of low concentration has also reduced the consumption of absorbent simultaneously.
(2) owing to after absorbent sneaks into flying dust, can produce negative influence to the quality of flying dust, thereby cause flying dust secondary utilization rate low.Therefore electricity bag transition region 4 is arranged between electric field region 3 and the bag-type dusting district 5, can effectively solves the low problem of flying dust secondary utilization rate.
As shown in Figure 4, the discharge electrode of electric field region 3 connects negative electricity, the pole plate ground connection of the pole plate of electric field region 3 and electricity bag transition region 4, and the discharge electrode of electricity bag transition region 4 connects positive electricity and negative electricity interlaced arrangement.
Claims (7)
1. an electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5 is characterized in that being provided with electric-bag complex dust collector, adsorbent jetting device and absorbent container; Described electric-bag complex dust collector is provided with import loudspeaker, housing, electric field region, electricity bag transition region, bag-type dusting district, ash bucket, air-purifying chamber and exhaust pass; Described import loudspeaker are located at the import of housing, and electric field region, electricity bag transition region and bag-type dusting district are located in the housing, and electric field region is located at the rear of import loudspeaker, and electricity bag transition region is located between electric field region and the bag-type dusting district; Ash bucket is located at the bottom of housing, and air-purifying chamber is located at top, bag-type dusting district, and exhaust pass is located at the air-purifying chamber top and is communicated with air-purifying chamber; Described adsorbent jetting device and absorbent container are located at the top of electricity bag transition region, and the discharging opening of absorbent container is connected with the charging aperture of adsorbent jetting device.
2. a kind of electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5 as claimed in claim 1, it is characterized in that described electricity bag transition region is provided with at least 2 group positive plate and discharge electrodes, positive plate and discharge electrode constitute the electric field passage, and the electric field passage is interlocked by positive electric field and negative electric field respectively and forms.
3. a kind of electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5 as claimed in claim 1 is characterized in that the fore-and-aft distance of described electricity bag transition region can be 400～6000mm.
4. a kind of electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5 as claimed in claim 1 is characterized in that the distance between described positive plate and the discharge electrode is 300～1200mm.
5. a kind of electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5 as claimed in claim 1, it is characterized in that described adsorbent jetting device is provided with at least 1 sorbent injection pipe, described sorbent injection pipe puts in the rear portion of electric field region and the front of electricity bag transition region.
6. a kind of electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5 as claimed in claim 1 is characterized in that described sorbent injection pipe is provided with at least 1 spray-hole, is equipped with nozzle on the described spray-hole.
7. a kind of electric-bag complex dust collector of controlling the collaborative demercuration of fine particle PM2.5 as claimed in claim 4 is characterized in that the nozzle of adjacent sorbent injection pipe shifts to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207329618U CN203030152U (en) | 2012-12-27 | 2012-12-27 | Electrostatic fabric filter for controlling fine particle PM2.5 synergic mercury removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207329618U CN203030152U (en) | 2012-12-27 | 2012-12-27 | Electrostatic fabric filter for controlling fine particle PM2.5 synergic mercury removal |
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| Publication Number | Publication Date |
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| CN203030152U true CN203030152U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012207329618U Expired - Fee Related CN203030152U (en) | 2012-12-27 | 2012-12-27 | Electrostatic fabric filter for controlling fine particle PM2.5 synergic mercury removal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007670A (en) * | 2012-12-27 | 2013-04-03 | 厦门龙净环保技术有限公司 | Electrostatic fabric filter for controlling fine particles PM2.5 and mercury collaborative removal |
| CN104740983A (en) * | 2015-03-31 | 2015-07-01 | 广东电网有限责任公司电力科学研究院 | Method and device for performing combined removal on boiler flue gas particulates and heavy metals |
| CN106377999A (en) * | 2016-12-12 | 2017-02-08 | 黄家礼 | Dry desulfurization electric bag device |
-
2012
- 2012-12-27 CN CN2012207329618U patent/CN203030152U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007670A (en) * | 2012-12-27 | 2013-04-03 | 厦门龙净环保技术有限公司 | Electrostatic fabric filter for controlling fine particles PM2.5 and mercury collaborative removal |
| CN104740983A (en) * | 2015-03-31 | 2015-07-01 | 广东电网有限责任公司电力科学研究院 | Method and device for performing combined removal on boiler flue gas particulates and heavy metals |
| CN106377999A (en) * | 2016-12-12 | 2017-02-08 | 黄家礼 | Dry desulfurization electric bag device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20201227 |