CN1603004A - Bipolar corona discharge soot aggregation and electro dedust method and instrument - Google Patents
Bipolar corona discharge soot aggregation and electro dedust method and instrument Download PDFInfo
- Publication number
- CN1603004A CN1603004A CN 200410066936 CN200410066936A CN1603004A CN 1603004 A CN1603004 A CN 1603004A CN 200410066936 CN200410066936 CN 200410066936 CN 200410066936 A CN200410066936 A CN 200410066936A CN 1603004 A CN1603004 A CN 1603004A
- Authority
- CN
- China
- Prior art keywords
- corona discharge
- positive
- bipolar
- flue
- electrode
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a kind of bipolarity corona discharge, dust smoke congeals gathers, the electricity dust removal method, it belonges to the haze dust removal technology domain, the containes dust smoke first passes through the positive and negative corona discharge area in haze,Causes the dust particle in the haze carry the positive and negative electric charge then mutually congeals and gathers into a bigger pellet,then put it into the electric precipitator to carry on the electricity dust removal.The invention also discloses the installment for implementating above method,including a smoke channel, the smoke channel is fixed in the front part of the electric precipitator, assembles at least group of corona discharge electrode and at least a group of negative corona discharge electrode in the internal, the positive and negative discharge electrode is separately connected with the high-pressured power source out-port and the output low pressure end.In this invention method the dust smoke in haze passes through positive and negative electronics corona processing to carry the electric charge then congeals, again enters the electricity dust removal installment to carry on the dust removal, enhances the dust removal efficiency.the stated installment use the single high-pressured power source, the positive and negative corona discharge simultaneously product, electrically charged congeals carries on in the identical room, the cost is low, the electrically charged efficiency is high.
Description
Technical field
The invention belongs to the flue gas ash removal technical field, relate in particular to and a kind ofly make behind the flue dust coalescence again dust collection method that purifies by electric precipitation and the equipment of implementing this method by corona discharge.
Background technology
Contain the dust or the flue dust of a large amount of microns and sub-micron in the flue gas, these fine grits can directly enter people's respiratory system, have a strong impact on the healthy of people.To the dust or the flue dust of this micron and sub-micron, the purification efficiency of general electric cleaner is very low, is difficult to reach the particulate emission standards of the relevant PM2.5 of country.
For improving capacity gauge, mainly adopt the coalescence technology that flue gas is carried out preliminary treatment at present to fine flue dust.The coalescence technology of being reported at present has chemical coalescence and physics coalescence two big classes.The physics coalescence mainly is to utilize extra electric field, magnetic field, and sound field, gravitational field or centrifugal force field etc. increase average grain diameter tiny flue dust coalescence, utilize electric precipitation to collect again; The chemistry coalescence is then introduced chemical substance, impels the flue dust coalescence.Because these coalescence technical costs height, operation is complicated, in fact seldom has factory to adopt the coalescence technology that power plant's sub-micro end flue dust is administered.
Australia INDIGO company discloses a kind of method and apparatus of aggregated particle in publication number is the application for a patent for invention of CN1390157A, this method has adopted the pre-charged flue dust coalescence technology of a kind of bipolarity, adopt positive and negative two high voltage sourcies, the charge electric appliance that flue gas is divided into positive and negative charged intersection, mix flue gas after charged again in a coalescence chamber, make the dust coalescence of sub-micron in the flue gas, in follow-up electric cleaner, collect.Though the coalescence effect is obvious, equipment investment is big, and the coalescence chamber separately makes overall volume increase with charged chamber.Because the positive carry electric channel adopts grounded plate electrode that flue gas is divided into two parts, most of discharge current flows directly into grounded plate electrode, inefficiency, and energy consumption is higher.
Summary of the invention
The invention provides a kind of bipolar corona discharge soot coalescence electro dust removing method of high efficiency low energy consumption, purify by electric precipitation again after the micron in the flue gas and the dust of sub-micron or flue dust are handled.
The present invention also provides the bipolar corona discharge soot coalescence device of realizing said method, and this installation cost is low, the charged efficient height of dust or flue dust.
Bipolar corona discharge soot coalescence electro dust removing method may further comprise the steps:
Ash-laden gas is the positive and negative corona discharge region of elder generation's process in flue, the positive negative corona discharge that utilizes bipolar corona discharge equipment to produce makes the dirt particle in the flue gas charged, the different electrical micronic dusts of band become larger particles because the mutual coalescence of electrostatic interaction is assembled, and import electric cleaner again and carry out electric precipitation.
Bipolar corona discharge soot coalescence device, comprise a flue, flue entrance is communicated with boiler flue gas outlet, flue outlet is communicated with the electric cleaner inlet, at least one group of positive corona sparking electrode of flue mounted inside and at least one group of negative corona discharge electrode, positive and negative sparking electrode link to each other with the output low-pressure end with the output high-pressure side of high voltage source respectively.
The unipolarity high voltage source that described bipolar corona discharge power supply is a positive or negative polarity, one group of electrode in the plus or minus corona discharge electrode connects with the output of high voltage source, and another organizes electrode grounding.
Described bipolar corona discharge power supply is the total bipolarity high voltage source of positive-negative polarity, and positive and negative corona electrode links to each other with two outputs of bipolar power supply respectively.
The power supply architecture of described high voltage source adopts halfwave rectifier bipolar power supply, single-phase full wave rectification bipolar power supply, three phase full wave rectification bipolar power supply, high-frequency high-voltage direct-current power supply or high-voltage pulse power source.
The electrode structure of described positive corona sparking electrode and negative corona discharge electrode is round wire, acupuncture line, angle steel prickle wire, jaggies, astroid, turn round in fried dough twist astroid or the R-S line any one.
The profile of described flue is circular or square.
Described plus or minus corona discharge electrode is installed in the flue center, and earth electrode is installed in around the flue and ground connection.
Described earth electrode is installed respectively around flue center and the flue, and the plus or minus corona discharge electrode is installed between the two winding ground electrodes.
Described positive corona sparking electrode and negative corona discharge electrode are divided into several hexagonal cell with flue, and two arrays of electrodes lays respectively at each hexagonal summit and center, and parallel or vertical with the flow of flue gas direction.
Positive negative corona discharge produced simultaneously when flue gas was through positive and negative corona discharge region in the inventive method, flue dust is through after the positive and negative sided corona treatment, part flue dust lotus positive electricity, part flue dust bear, under the effect of electrostatic force, positive and negative charged flue dust coalescence increases particle diameter, help follow-up electrostatic precipitation, improved efficiency of dust collection.
The ash-laden gas that boiler is got rid of is separated the charged coalescence gathering of micronic dust in the flue gas afterwards through bipolar corona discharge soot coalescence device in electric cleaner, discharge from electric duster ash bucket, and purified gas is discharged from chimney.The shape of positive corona sparking electrode and negative corona discharge electrode can be identical, also can take different shapes respectively to improve discharge capability and efficient.The different position of passing through of positive corona sparking electrode and negative corona discharge electrode is provided with simultaneously, so that can improve charged coalescence efficient under the excessive situation of flue gas flow rate.
Bipolar corona discharge coalescence device of the present invention uses the separate unit high voltage source, and positive negative corona discharge produces simultaneously, and flue gas does not need the shunting, and charged coalescence carries out in same chamber, and does not have the earth plate ground electrode, the low and charged efficient height of installation cost.
Description of drawings
Fig. 1 is for adopting the boiler flue gas purification schematic flow sheet of the inventive method;
Fig. 2 is when adopting the unipolarity power supply, bipolar corona discharge coalescence device schematic diagram;
Fig. 3 is when adopting bipolar power supply, bipolar corona discharge coalescence device schematic diagram;
Fig. 4 is when adopting the positive polarity power supply, the bipolar corona discharge schematic diagram;
Fig. 5 is when adopting the negative polarity power supply, the bipolar corona discharge schematic diagram;
Fig. 6 is when adopting the halfwave rectifier bipolar power supply, bipolar corona discharge coalescence device schematic diagram;
Fig. 7 is when adopting single-phase full wave rectification bipolar power supply, bipolar corona discharge coalescence device schematic diagram;
Fig. 8 is when adopting the three phase full wave rectification bipolar power supply, bipolar corona discharge coalescence device schematic diagram;
Fig. 9 is that the structure of positive and negative corona discharge electrode is provided with schematic diagram in the circular flue when adopting the unipolarity power supply;
Figure 10 is that the another kind of structure of positive and negative corona discharge electrode is provided with schematic diagram in the circular flue when adopting the unipolarity power supply;
Figure 11 is that another structure of positive and negative corona discharge electrode is provided with schematic diagram in the circular flue when adopting the unipolarity power supply;
Structure was provided with schematic diagram when Figure 12 was sparking electrode and flue gas parallel arrangement.
Wherein, the 1-boiler, 2-bipolar corona discharge soot coalescence device, 3-high voltage source, the 4-electric cleaner, 5-electric cleaner power supply, 6-electric duster ash bucket, the 7-chimney of discharging fume, the high voltage input terminal of 8-bipolar corona discharge soot coalescence device, 9-unipolarity power supply power supply, or connect the corona discharge electrode of high-pressure side during the bipolar power supply power supply, connect the corona discharge electrode of earth terminal during the power supply of 10-unipolarity power supply, 11-bipolar corona discharge power supply, 12-negative polarity corona discharge electrode, 13-positive polarity corona discharge electrode, 14-single-phase high voltage transformer, the 15-commutation diode, the 16-RL buffer, 17-full-bridge rectifier, 18-three-phase full-bridge rectifier, 19-three-phase high-voltage transformer, the 20-three-phase reactor, 21-three phase semiconductor switching device group, 22-flow of flue gas direction
The specific embodiment
As shown in Figure 1, bipolar corona discharge soot coalescence device 2 is installed in the flue in electric cleaner 4 the place aheads, the ash-laden gas that boiler 1 is got rid of is through being located at the bipolar corona discharge soot coalescence device 2 on the flue, micronic dust in the flue gas is charged under the high-voltage corona effect, part flue dust lotus positive electricity, and another part bear, because the flue gas wind speed is generally between 10-20m/s, flue dust in bipolar corona discharge soot coalescence device 2 is because electrostatic interaction carries out coalescence, the dustshot subnumber is reduced, the flue dust particle diameter increases, but in device 2, need not collect, all flue dust are collected in follow-up electric cleaner, the pre-charged efficiency of dust collection that improves follow-up electric cleaner of flue dust.Be separated in electric cleaner 4 and discharge from electric duster ash bucket 6, the waste gas after the purification is discharged from chimney 7.Wherein, bipolar corona discharge soot coalescence device 2 is by high voltage source 3 power supplies, and electric cleaner 4 is by 5 power supplies of electric cleaner power supply.
As shown in Figure 2, when high voltage source 3 was unipolarity separate unit power supply, sparking electrode 9 linked to each other earth electrode 10 ground connection by charge electric appliance high voltage input terminal 8 with high voltage source 3.Along with 3 alive risings of power supply, the electric-field intensity that sparking electrode 9 and earth electrode are 10 increases, and when surface electric field intensity reaches about 30kv/cm, produces corona discharge.When added voltage made two electrode surface place field intensity greater than 30kv/cm, positive negative corona discharge produced simultaneously, and sparking electrode 9 produces the positive corona discharge, and earth electrode 10 produces negative corona discharge.Generally between 20mm-200mm, the interelectrode distance of heteropole is between 50mm-300mm for interelectrode on the same group distance, and voltage is generally between native 20-+150kV.
As shown in Figure 3, when high voltage source 3 is the separate unit bipolar power supply, all sparking electrodes 9 are divided into two groups, one winding positive high voltage, another winding negative high voltage output, when institute's making alive made the field intensity of two groups of electrode surfaces reach about 30kv/cm, positive negative corona discharge produced simultaneously, the identical discharge current of positive and negative two utmost points output this moment.Generating positive and negative voltage can be identical, also can be different.
When high voltage source 3 is separate unit positive polarity power supply, the corona discharge schematic diagram as shown in Figure 4, positive polarity corona discharge electrode 13 connects the positive high voltage output of power supply 3, negative polarity corona discharge electrode 12 ground connection.Positive polarity corona discharge electrode 13 produces the positive corona discharge, and negative polarity corona discharge electrode 12 produces negative corona discharge.The positive corona discharge is streamer-discahrge, and negative corona discharge is glow discharge.
When high voltage source 3 is separate unit negative polarity power supply, the corona discharge schematic diagram as shown in Figure 5, negative polarity corona discharge electrode 12 connects the negative high voltage output of power supply 3, positive polarity corona discharge electrode 13 ground connection.Positive polarity corona discharge electrode 13 produces the positive corona discharge, and negative polarity corona discharge electrode 12 produces negative corona discharge.
As shown in Figure 6, when the power supply architecture of high voltage source 3 adopted the single phase half wave rectification structure, the secondary positive high voltage output of one-way high-pressure transformer 14 linked to each other with positive polarity corona discharge electrode 13 with RL buffer 16 by commutation diode 15; The secondary negative high voltage output of one-way high-pressure transformer 14 links to each other with negative polarity corona discharge electrode 12 with RL buffer 16 by commutation diode 15.Transformer 14 can be powered with the various Switching Power Supplies of band semiconductor switch device, and can control optimization according to the characteristic of output current voltage.
As shown in Figure 7, when the power supply architecture of high voltage source 3 adopts the single-phase full wave rectifier structure, the secondary of one-way high-pressure transformer 14 connects with two groups of full-bridge rectifiers 17, the output of generation positive or negative high voltage, and be connected with negative polarity corona discharge electrode 12 with positive polarity corona discharge electrode 13 with RL buffer 16 by commutation diode 15 respectively.The secondary of high-tension transformer 14 also can only adopt one group of full-bridge rectification to export positive or negative high voltage simultaneously.
As shown in Figure 8, when the power supply architecture of high voltage source 3 adopts the three phase semiconductor construction of switch, Switching Power Supply is connected with three-phase high-voltage transformer 19 with three-phase reactor 20 by three phase semiconductor switching device group 21, secondary and the three-phase full-bridge rectifier 18 of transformer 19 is connected, the generation positive or negative high voltage is exported, and is connected with negative polarity corona discharge electrode 12 with positive polarity corona discharge electrode 13 respectively by RL buffer 16.
The profile of the outside flue of bipolar corona discharge soot coalescence device 2 can be circle, also can be square.
As shown in Figure 9, when high voltage source 3 adopts the unipolarity high voltage source, a kind of mounting means of sparking electrode in circular flue.Plus or minus corona discharge high-field electrode 9 is installed in the flue center, and earth electrode 10 is housed around the flue.When adopting the positive high voltage power supply, the electrode 9 at flue center is the positive corona discharge, and earth electrode 10 is a negative corona discharge, and when adopting negative high voltage power source, the electrode 9 at flue center is a negative corona discharge, and earth electrode 10 is the positive corona discharge.
When Figure 10 is high voltage source 3 employing unipolarity high voltage sourcies, the another kind of mounting means of sparking electrode in circular flue.This moment, the flue center was an earth electrode 10, and earth electrode 10 also is housed on the flue, and plus or minus corona discharge high-field electrode 9 is contained between two earth electrodes, can adopt the positive high voltage power supply, also can adopt negative high voltage power source.
When the flue gas throughput was big, avaivable electrode was divided into some hexagonal cell with garden shape flue, and as shown in figure 11, sparking electrode is divided into two groups, lays respectively at hexagonal summit and center, and one group of electrode is communicated with back ground connection.
Electrode setting in the bipolar corona discharge soot coalescence device 2 can be arranged in parallel with the flue gas direction or vertical setting.
As shown in figure 12, the flue of bipolar corona discharge soot coalescence device 2 is square, and sparking electrode 9 is parallel arrangement with flow of flue gas direction 22, and high voltage source 3 adopts bipolar corona discharge power supply 11, and high voltage input terminal 8 is connected with sparking electrode 9.
Claims (10)
1. bipolar corona discharge soot coalescence electro dust removing method may further comprise the steps:
Ash-laden gas is the positive and negative corona discharge region of elder generation's process in flue, the positive negative corona discharge that utilizes bipolar corona discharge equipment to produce makes the dirt particle in the flue gas charged, the different electrical micronic dusts of band become larger particles because the mutual coalescence of electrostatic interaction is assembled, and import electric cleaner again and carry out electric precipitation.
2. bipolar corona discharge soot coalescence device of implementing said method, comprise a flue, flue entrance is communicated with boiler flue gas outlet, flue outlet is communicated with the electric cleaner inlet, it is characterized in that: at least one group of positive corona sparking electrode of flue mounted inside and at least one group of negative corona discharge electrode, positive and negative corona discharge electrode link to each other with the output low-pressure end with the output high-pressure side of high voltage source respectively.
3. bipolar corona discharge soot coalescence device according to claim 2, it is characterized in that: the unipolarity high voltage source that described bipolar corona discharge power supply is a positive or negative polarity, one group of electrode in the plus or minus corona discharge electrode connects with the output of high voltage source, and another organizes electrode grounding.
4. bipolar corona discharge soot coalescence device according to claim 2 is characterized in that: described bipolar corona discharge power supply is the total bipolarity high voltage source of positive-negative polarity, and positive and negative corona electrode links to each other with two outputs of bipolar power supply respectively.
5. bipolar corona discharge soot coalescence device according to claim 2 is characterized in that: the power supply architecture of described high voltage source adopts halfwave rectifier bipolar power supply, single-phase full wave rectification bipolar power supply, three phase full wave rectification bipolar power supply, high-frequency high-voltage direct-current power supply or high-voltage pulse power source.
6. bipolar corona discharge soot coalescence device according to claim 2 is characterized in that: the structure of described corona wire is round wire, acupuncture line, angle steel prickle wire, jaggies, astroid, turn round in fried dough twist astroid or the R-S line any one.
7. bipolar corona discharge soot coalescence device according to claim 2 is characterized in that: the profile of described flue is for circular or square.
8. bipolar corona discharge soot coalescence device according to claim 3 is characterized in that: described plus or minus corona discharge electrode is installed in the flue center, and earth electrode is installed in around the flue and ground connection.
9. bipolar corona discharge soot coalescence device according to claim 3 is characterized in that: described earth electrode is installed respectively around flue center and the flue, and the plus or minus corona discharge electrode is installed between the two winding ground electrodes.
10. according to claim 3 or 4 described bipolar corona discharge soot coalescence devices, it is characterized in that: described positive corona sparking electrode and negative corona discharge electrode are divided into several hexagonal cell with flue, two arrays of electrodes lays respectively at each hexagonal summit and center, and parallel or vertical with the flow of flue gas direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410066936 CN1603004A (en) | 2004-10-09 | 2004-10-09 | Bipolar corona discharge soot aggregation and electro dedust method and instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410066936 CN1603004A (en) | 2004-10-09 | 2004-10-09 | Bipolar corona discharge soot aggregation and electro dedust method and instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1603004A true CN1603004A (en) | 2005-04-06 |
Family
ID=34666526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410066936 Pending CN1603004A (en) | 2004-10-09 | 2004-10-09 | Bipolar corona discharge soot aggregation and electro dedust method and instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1603004A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101472514B (en) * | 2006-06-22 | 2012-07-18 | 夏普株式会社 | Dust condensing passage, charging draft member, frictional charging resin pipe, electric vacuum cleaner |
| CN103157555A (en) * | 2013-03-15 | 2013-06-19 | 杭州天明环保工程有限公司 | Coagulation method and coagulation system of charged dusts |
| CN103495322A (en) * | 2013-09-17 | 2014-01-08 | 西安理工大学 | Dust removal and mercury removal integrated device and method |
| CN103623927A (en) * | 2013-12-04 | 2014-03-12 | 河北工业大学 | Bipolar prick electric coagulation device |
| CN105396441A (en) * | 2015-10-28 | 2016-03-16 | 山西晋浙环保科技有限公司 | Low-temperature economizer and bipolar high-voltage streamer corona discharge combined smoke cleaning method |
| CN108465554A (en) * | 2018-01-25 | 2018-08-31 | 大连海事大学 | Control the device and method of nanoscale fine particulate contaminants in flue gas |
| CN109499769A (en) * | 2018-12-28 | 2019-03-22 | 广州广大气治理工程有限公司 | A kind of bipolarity DC power supply for electrostatic precipitator |
| CN109499762A (en) * | 2018-12-28 | 2019-03-22 | 广州广大气治理工程有限公司 | A kind of electric precipitator having energy storage multiplication of voltage function |
| CN109682648A (en) * | 2018-12-10 | 2019-04-26 | 常州大学 | A kind of alternating electric field dust coagulation and effectiveness of explosion suppression test device and method |
| CN111715043A (en) * | 2020-06-29 | 2020-09-29 | 秦皇岛市桑格电气控制设备有限公司 | Smoke and dust fog is retrieved and poisonous and harmful gas eliminates module |
-
2004
- 2004-10-09 CN CN 200410066936 patent/CN1603004A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101472514B (en) * | 2006-06-22 | 2012-07-18 | 夏普株式会社 | Dust condensing passage, charging draft member, frictional charging resin pipe, electric vacuum cleaner |
| CN103157555A (en) * | 2013-03-15 | 2013-06-19 | 杭州天明环保工程有限公司 | Coagulation method and coagulation system of charged dusts |
| CN103157555B (en) * | 2013-03-15 | 2015-11-18 | 杭州天明环保工程有限公司 | A kind of coalescence method of Charged and coalescence system |
| CN103495322A (en) * | 2013-09-17 | 2014-01-08 | 西安理工大学 | Dust removal and mercury removal integrated device and method |
| CN103495322B (en) * | 2013-09-17 | 2016-01-27 | 西安理工大学 | The apparatus and method of a kind of dedusting demercuration integration |
| CN103623927A (en) * | 2013-12-04 | 2014-03-12 | 河北工业大学 | Bipolar prick electric coagulation device |
| CN105396441A (en) * | 2015-10-28 | 2016-03-16 | 山西晋浙环保科技有限公司 | Low-temperature economizer and bipolar high-voltage streamer corona discharge combined smoke cleaning method |
| CN108465554A (en) * | 2018-01-25 | 2018-08-31 | 大连海事大学 | Control the device and method of nanoscale fine particulate contaminants in flue gas |
| CN109682648A (en) * | 2018-12-10 | 2019-04-26 | 常州大学 | A kind of alternating electric field dust coagulation and effectiveness of explosion suppression test device and method |
| CN109499769A (en) * | 2018-12-28 | 2019-03-22 | 广州广大气治理工程有限公司 | A kind of bipolarity DC power supply for electrostatic precipitator |
| CN109499762A (en) * | 2018-12-28 | 2019-03-22 | 广州广大气治理工程有限公司 | A kind of electric precipitator having energy storage multiplication of voltage function |
| CN111715043A (en) * | 2020-06-29 | 2020-09-29 | 秦皇岛市桑格电气控制设备有限公司 | Smoke and dust fog is retrieved and poisonous and harmful gas eliminates module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202006137U (en) | Ultrafine dust electrocoagulation device | |
| CN101310822A (en) | Lens electric-bag complex dust collector | |
| CN1603004A (en) | Bipolar corona discharge soot aggregation and electro dedust method and instrument | |
| CN100418637C (en) | Electric dust collector and method thereof | |
| CN103623927A (en) | Bipolar prick electric coagulation device | |
| CN100493727C (en) | Solar energy static dedusting system | |
| CN2740295Y (en) | Electric dust collector with dust coagulator by bipolar corona discharge | |
| CN106731435A (en) | A kind of angle-style ultra-fine grain coalescence case | |
| CN104785060A (en) | Electrostatic agglomeration bag-type dust-removing system for efficiently treating PM2.5 dust | |
| CN202238313U (en) | Electric bag composite dust catcher | |
| CN106733195B (en) | A kind of non-homogeneous printed line electro dust removing method and component and electric precipitator | |
| CN108246505A (en) | A kind of small-sized efficient tube-type esp | |
| CN111097251B (en) | Device and method for efficiently removing fine particles in multiple-field subareas | |
| CN111068451B (en) | Device and method for efficiently removing fine particulate matters through temperature and humidity regulation | |
| CN204563857U (en) | A kind of electrostatic coagulation bag-type dust removing system of efficient improvement PM2.5 dust | |
| CN101530712A (en) | Bipolar unequal electrofluid particle polymerizer | |
| CN111054168A (en) | Device and method for efficiently removing multi-channel fine particles | |
| CN109967239B (en) | Microparticle purifier based on electrocoagulation technology | |
| CN206366454U (en) | It is a kind of to suppress the electrostatic type air purification apparatus that ozone is produced | |
| CN203862388U (en) | Dustbin adopting photovoltaic power generation as power supply for purifying air | |
| CN212594797U (en) | Device of high-efficient desorption of many field subregion fine particles thing | |
| CN203750697U (en) | Two-electrode barb electric coagulator | |
| CN211887406U (en) | Electric dust remover with dust collection filter tank | |
| CN103817004A (en) | High gas speed and high efficiency wet-type electrofiltration device for deep treatment of PM2.5 | |
| CN201783401U (en) | Low-specific-resistance vertical duct collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |