CN102764697A - Flexible and stable high-voltage power supply of electrostatic precipitator - Google Patents
Flexible and stable high-voltage power supply of electrostatic precipitator Download PDFInfo
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- CN102764697A CN102764697A CN2012102415058A CN201210241505A CN102764697A CN 102764697 A CN102764697 A CN 102764697A CN 2012102415058 A CN2012102415058 A CN 2012102415058A CN 201210241505 A CN201210241505 A CN 201210241505A CN 102764697 A CN102764697 A CN 102764697A
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- 239000012717 electrostatic precipitator Substances 0.000 title abstract description 4
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 9
- 238000013021 overheating Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005367 electrostatic precipitation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
The invention relates to a flexible and stable high-voltage power supply of an electrostatic precipitator, which is provided with a housing and a circuit board, wherein a three-phase rectifier circuit module, a filter circuit module, a high-frequency inverter module, an output pulse transformer module and a capacitor voltage-multiplying and rectifying module are arranged on the circuit board sequentially and are sequentially and serially connected in a power supply manner, the output end of the capacitor voltage-multiplying and rectifying module is externally connected with a cathode and an anode of a dust collector, and the high-frequency inverter module is in control connection with an intelligent controller through a pulse driver. The power supply provided by the invention is suitable for electrostatic precipitation, and has the advantages of inhibiting back corona, reducing energy consumption, increasing electric field working voltage and precipitation efficiency, reducing volume, lowering steel consumption quantity and equipment cost, and the like.
Description
Technical field
The invention belongs to a kind of power supply, concrete is a kind of power supply to the electrostatic dust collection equipment power supply.
Background technology
Electrostatic precipitator is to utilize high voltage electric field to make flue gas generation ionization, and the dust in the air-flow is charged under electric field action and flow separation.Oil smoke when British gilbert spy observed electrical body attraction light-off in 1600; British Lodge had been built first industrial electric cleaner at lead smelter in 1885; Do high voltage source because of unreliable failure with the electrostatic induction device; U.S.'s Cotterell in 1907 adopts the synchronization mechanism rectifier to produce high pressure and catches sulfuric acid mist achieving success, extensive use in industry such as smelting, cement, power station, boiler, papermaking afterwards.The appearance of silicon rectifier in 1940 and the power supply mode of controlling have automatically more promoted the development and the application of electric precipitation, so the development of high-voltage electrostatic power is a key factor that promotes the electric precipitation development.
At present; The viewpoint of " Rectified alternating current pressure ratio stable DC voltage is superior " and " the power work optimum is in above certain of spark originating point " that puts forward based on U.S. Mr. White; The technology path of the power supply of existing electrostatic precipitator is to adopt 50 weeks of power frequency directly once to boost to several ten thousand volts through appendiron core transformer to become the power supply of the pulsating direct current of hardware features as deduster through rectification again; And carry out activation through microelectric technique and detect automatically, be adjusted at " optimum spark rate " to the duty of power supply and locate from motion tracking, automatic inhibition; Ubiquity efficient low (about 50%); The long-term work of output transformer secondary high is at 5～100,000 volts, defectives such as insulation damages, breakdown between adjacent turns short circuit often take place, reliability of operation is not good enough continuously, many life-spans of fault are short, and the rate of good of equipment is low.
Summary of the invention
The objective of the invention is in order to address the above problem; Propose a kind of soft maidenliness electric cleaner high voltage source, this soft maidenliness electric cleaner high voltage source has can suppress anti-corona, cut down the consumption of energy, improve field operation voltage and efficiency of dust collection, minimizing volume, reduce advantages such as steel consumption amount and equipment manufacturing cost.
The objective of the invention is to realize: soft maidenliness electric cleaner high voltage source through following technical scheme; Be provided with housing and circuit board; It is characterized in that: be provided with rectified three-phase circuit module, filter circuit module, high-frequency inverter module, output pulse transformer module, capacitor voltage multiplying rectifier module on the said circuit board successively; Said rectified three-phase circuit module, filter circuit module, high-frequency inverter module, output pulse transformer module, capacitor voltage multiplying rectifier module series-fed successively connect, and said capacitor voltage multiplying rectifier module output is circumscribed with negative electrode, the anode of dust arrester; Said high-frequency inverter module is through pulse driver and intelligent controller control connection; The output of said high-frequency inverter module is through current foldback circuit and intelligent controller control connection; Said capacitor voltage multiplying rectifier module is respectively through current foldback circuit, overvoltage crowbar and intelligent controller control connection.
The embodiment that the present invention further improves and replenishes:
Said intelligent controller can adopt a kind of among micro computer, computer, the PWM controller.
The external overheating protection circuit of said intelligent controller.
Soft maidenliness electric precipitation high voltage source main feature: (1) with the soft stable high-pressure power supply of IGBT module as the high-power conversion module of high-frequency inversion, its power output 20KVA, and frequency can be enough to satisfy the needs of large-scale electrostatic dust collection equipment at 20KHz; (2) power output is continuously adjustable 0～100%, can carry out the adjusting of output current and power output, reaches dust removing effects the best; (3) power output can customize according to different application scenarios; (4) perfect limiting protecting function has current limliting, short circuit, overload, overvoltage, overheat protector and limitation function; Have the output transformer state-detection, wherein overcurrent-overvoltage all has the hardware and software duplicate protection; (5) device adopts high brightness display unit, practical work state and fault-signal and warning; (6) device adopts the modular design of simplicity, and is not only inside and outside elegant in appearance, and easy to maintenance simple; (7), can realize functions such as distant place control, central authorities' control easily through user interface; (8) the IGBT driving can obviously change harmonic wave fast, reduces Dead Time, reduces switching loss, increases the stability that high frequency is followed the tracks of inversion, also has short-circuit protection and under-voltage protection function simultaneously.
Description of drawings
Fig. 1 is a circuit module schematic diagram of the present invention;
Fig. 2 is a high-frequency inversion main circuit schematic diagram of the present invention;
Fig. 3 is a capacitor voltage doubling rectifing circuit schematic diagram of the present invention;
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Embodiment: referring to accompanying drawing 1,2,3; Soft maidenliness electric cleaner high voltage source; Be provided with housing and circuit board; It is characterized in that: be provided with rectified three-phase circuit module, filter circuit module, high-frequency inverter module, output pulse transformer module, capacitor voltage multiplying rectifier module on the said circuit board successively; Said rectified three-phase circuit module, filter circuit module, high-frequency inverter module, output pulse transformer module, capacitor voltage multiplying rectifier module series-fed successively connect, and said capacitor voltage multiplying rectifier module output is circumscribed with negative electrode, the anode of dust arrester; Said high-frequency inverter module is through pulse driver and intelligent controller control connection; The output of said high-frequency inverter module is through current foldback circuit and intelligent controller control connection; Said capacitor voltage multiplying rectifier module is respectively through current foldback circuit, overvoltage crowbar and intelligent controller control connection; Said intelligent controller can adopt micro computer; The external overheating protection circuit of said intelligent controller.
What should explain at last is: obviously, the foregoing description only be for clearly the present invention is described and is done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among protection scope of the present invention.
Claims (3)
1. soft maidenliness electric cleaner high voltage source; Be provided with housing and circuit board; It is characterized in that: be provided with rectified three-phase circuit module, filter circuit module, high-frequency inverter module, output pulse transformer module, capacitor voltage multiplying rectifier module on the said circuit board successively; Said rectified three-phase circuit module, filter circuit module, high-frequency inverter module, output pulse transformer module, capacitor voltage multiplying rectifier module series-fed successively connect, and said capacitor voltage multiplying rectifier module output is circumscribed with negative electrode, the anode of dust arrester; Said high-frequency inverter module is through pulse driver and intelligent controller control connection; The output of said high-frequency inverter module is through current foldback circuit and intelligent controller control connection; Said capacitor voltage multiplying rectifier module is respectively through current foldback circuit, overvoltage crowbar and intelligent controller control connection.
2. soft maidenliness electric cleaner high voltage source according to claim 1 is characterized in that: said intelligent controller can adopt a kind of among micro computer, computer, the PWM controller.
3. soft maidenliness electric cleaner high voltage source according to claim 1 is characterized in that: the external overheating protection circuit of said intelligent controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102415058A CN102764697A (en) | 2012-07-13 | 2012-07-13 | Flexible and stable high-voltage power supply of electrostatic precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102415058A CN102764697A (en) | 2012-07-13 | 2012-07-13 | Flexible and stable high-voltage power supply of electrostatic precipitator |
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| Publication Number | Publication Date |
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| CN102764697A true CN102764697A (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102415058A Pending CN102764697A (en) | 2012-07-13 | 2012-07-13 | Flexible and stable high-voltage power supply of electrostatic precipitator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219913A (en) * | 2013-03-15 | 2013-07-24 | 东南大学 | High-voltage pulse power supply for plasma sewage treatment system |
| CN106269259A (en) * | 2015-06-29 | 2017-01-04 | 通用电器技术有限公司 | For calculating method and the electrostatic precipitator of the pulse firing pattern of the transformator of electrostatic precipitator |
| WO2017147902A1 (en) * | 2016-03-04 | 2017-09-08 | 马翼 | Novel electrostatic dust removal apparatus based on internet of things |
| CN108607689A (en) * | 2018-04-24 | 2018-10-02 | 江苏凯西电气设备科技有限公司 | A kind of equipment for purifying oil-fume high-voltage power supply special based on voltage-multiplying circuit technology |
| CN108927288A (en) * | 2018-06-14 | 2018-12-04 | 杭州电子科技大学 | A kind of high-pressure dust-cleaning power supply |
| CN120915147A (en) * | 2025-09-30 | 2025-11-07 | 湖南大学 | High-power high-voltage direct-current converter and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2167784Y (en) * | 1993-03-11 | 1994-06-08 | 刘坤明 | High-frequency conversion electrostatic power source arrangement |
| CN201613182U (en) * | 2010-04-20 | 2010-10-27 | 戴明君 | Corona blue light dust collector |
| CN201937476U (en) * | 2011-03-25 | 2011-08-17 | 盐城市贝思特电气有限公司 | Dry high-power high-frequency high-voltage pulse power supply |
| CN202655123U (en) * | 2012-07-13 | 2013-01-09 | 戴明君 | High-voltage power supply of flexile and stable electrostatic dust collector |
-
2012
- 2012-07-13 CN CN2012102415058A patent/CN102764697A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2167784Y (en) * | 1993-03-11 | 1994-06-08 | 刘坤明 | High-frequency conversion electrostatic power source arrangement |
| CN201613182U (en) * | 2010-04-20 | 2010-10-27 | 戴明君 | Corona blue light dust collector |
| CN201937476U (en) * | 2011-03-25 | 2011-08-17 | 盐城市贝思特电气有限公司 | Dry high-power high-frequency high-voltage pulse power supply |
| CN202655123U (en) * | 2012-07-13 | 2013-01-09 | 戴明君 | High-voltage power supply of flexile and stable electrostatic dust collector |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219913A (en) * | 2013-03-15 | 2013-07-24 | 东南大学 | High-voltage pulse power supply for plasma sewage treatment system |
| CN103219913B (en) * | 2013-03-15 | 2015-04-01 | 东南大学 | High-voltage pulse power supply for plasma sewage treatment system |
| CN106269259A (en) * | 2015-06-29 | 2017-01-04 | 通用电器技术有限公司 | For calculating method and the electrostatic precipitator of the pulse firing pattern of the transformator of electrostatic precipitator |
| CN106269259B (en) * | 2015-06-29 | 2020-08-11 | 通用电器技术有限公司 | Method for calculating the pulse ignition pattern of a transformer of an electrostatic precipitator and electrostatic precipitator |
| WO2017147902A1 (en) * | 2016-03-04 | 2017-09-08 | 马翼 | Novel electrostatic dust removal apparatus based on internet of things |
| CN108607689A (en) * | 2018-04-24 | 2018-10-02 | 江苏凯西电气设备科技有限公司 | A kind of equipment for purifying oil-fume high-voltage power supply special based on voltage-multiplying circuit technology |
| CN108607689B (en) * | 2018-04-24 | 2019-07-02 | 江苏凯西电气设备科技有限公司 | A kind of equipment for purifying oil-fume high-voltage power supply special based on voltage-multiplying circuit technology |
| CN108927288A (en) * | 2018-06-14 | 2018-12-04 | 杭州电子科技大学 | A kind of high-pressure dust-cleaning power supply |
| CN120915147A (en) * | 2025-09-30 | 2025-11-07 | 湖南大学 | High-power high-voltage direct-current converter and control method thereof |
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Addressee: Dai Mingjun Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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Address after: 100042, Room 102, unit 1, building 6, Xin Xin, Shahe Town, Changping District, Beijing Applicant after: Dai Mingjun Address before: 100042 No. 1101, building 26, west modern city, Beijing, Shijingshan District 5 Applicant before: Dai Mingjun |
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Application publication date: 20121107 |