CN201266890Y - Three-phase eliminator supply for electrostatic precipitator - Google Patents
Three-phase eliminator supply for electrostatic precipitator Download PDFInfo
- Publication number
- CN201266890Y CN201266890Y CNU2008200272665U CN200820027266U CN201266890Y CN 201266890 Y CN201266890 Y CN 201266890Y CN U2008200272665 U CNU2008200272665 U CN U2008200272665U CN 200820027266 U CN200820027266 U CN 200820027266U CN 201266890 Y CN201266890 Y CN 201266890Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage
- phase
- rectifying
- power supply
- 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
- Rectifiers (AREA)
Abstract
The utility model relates to a three-phase rectifying power supply of an electric dust collector, comprising a high-voltage power voltage-regulating circuit, a high-voltage power voltage-regulating circuit controller and a variable voltage rectifying circuit; the rectifying power supply is characterized in that the high-voltage power voltage-regulating circuit consists of three paths of inverse parallel thyristor voltage-regulating circuits; the variable voltage rectifying circuit has a three-phase rectifying transformer; a secondary pole of the transformer is connected with a three-phase bridge type rectifying circuit; high-voltage alternating current is rectified to a path of direct current negative high voltage to output; in addition, the tail end of the three-phase bridge type rectifying circuit is connected with a sampling circuit which consists of a sampling resistor and a piezoresistor; and the signal input end of the sampling circuit is connected with a high-voltage power controller. The rectifying power supply has novel design and reasonable structure, and also has the following advantages that 1. the conversion rate of electrical energy is high and the consumption is little; 2. the average voltage of the output direct current is high, therefore, dust collection efficiency of ESP can be effectively improved; 3. the input power supply of the three-phase power is balance and the output voltage is smooth and stable; and 4. the energy-saving effect is good, therefore, the rectifying power supply is a high-voltage power of a novel dust collector with high efficiency, environment protection and being energy-saving.
Description
Technical field: the utility model belongs to the electrical apparatus technology scope, relates to the matching used rectifier power source of a kind of electric cleaner.
Background technology: in the prior art, the matching used rectifier power source of electric cleaner all is micro-processor controlled single-phase silicon-controlled voltage controller power source usually.Along with the continuous development of electronic technology with to improving constantly that electric cleaner requires, such power supply demonstrates following defective day by day: 1, because the content requirement of electric cleaner exit gas discharging is lower than 50mg/Nm
3Standard, require electric cleaner monomer volume and electric field progression constantly to increase, the electric cleaner of many large-scale four electric fields and five electric fields appears.Existing individual event silicon controlled rectification power source and three phase network exist more serious three-phase electricity consumption imbalance, and power factor is low, and the problem that elementary grid loss is big is unfavorable for factory's electrical energy saving; 2, it is higher by 25% than average voltage to be added to the crest voltage that the ESP electric field produced, very easily in the ESP electric field, trigger electric spark, corona current density is low, under the operating mode of high concentrate dust or band desulphurization system, be difficult to improve the average voltage electric current of prime electric field, influence whole ash removal efficiency, make the exit gas discharging of electric cleaner be difficult to up to standard.
Summary of the invention: the purpose of this utility model provides a kind of electric cleaner three-phase rectifier power supply, in order to overcome the above-mentioned drawback of existing in prior technology effectively.The purpose of this utility model is to improve realization on the basis of existing technology, it comprises high voltage source regulating circuit, high voltage source regulating circuit controller and transformation rectification circuit, it is characterized in that the high voltage source regulating circuit is made up of three road anti-parallel thyristor regulating circuits, all be associated with a piezo-resistance that absorbs surge pulse voltage in the circuit between the every two-way of its input; Said transformation rectification circuit has a three-phase rectifier transformer, the secondary connection three-phase bridge rectifier circuit of three-phase rectifier transformer, High Level AC Voltage is rectified into the output of one road negative direct current high voltage through three-phase bridge rectifier circuit, the tail end of three-phase bridge rectifier circuit is connected with a sample circuit that is made of a sample resistance and a piezo-resistance in addition, and the signal output part of this sample circuit is connected with high voltage source regulating circuit controller.During use, the output with the utility model transformation rectification circuit is connected with deduster by a damping resistance earlier, and the input with the utility model high pressure regulating circuit is connected with outside three phase mains again, the work of can starting shooting.The elementary of three-phase rectifier transformer that High Level AC Voltage is delivered to the transformation rectification circuit after by the pressure regulation of high voltage source regulating circuit boosted, three-phase bridge rectifier circuit rectification through being connected then with three-phase rectifier transformer, the output of Cheng Yilu negative direct current high voltage supplies deduster work through damping resistance again.The electric power thus supplied of the utility model power supply, can reflect the working condition of deduster, its electric power thus supplied is taken a sample at any time by sample circuit, and with signal feedback to high pressure regulating circuit controller, after treatment, deliver to the high pressure regulating circuit, by triggering the gate pole of regulating circuit thyristor, at any time regulate at the situation in the electric field, more reasonable to cause power supply situation.
The utility model design, rational in infrastructure, as the deduster power supply, the one, the energy conversion rate height, power factor can reach more than 95%, and grid loss is little, can not produce short of electricity loss and uneven powerup issue; The 2nd, the direct current average voltage height of output can effectively improve the ash removal efficiency of ESP; The 3rd, three phase mains input power supply balance, output voltage is steady, can improve the corona density and the power output of electric field effectively, can also reduce the specific area that gathers dust, reduce the deduster gross weight, thereby reduce production costs,, be very suitable for being designed to more powerful power supply simultaneously from technology and technological angle; The 4th, good energy-conserving effect is present a kind of efficient, environmental protection, energy-conservation novel deduster high voltage source.
Description of drawings: accompanying drawing is the electrical schematic diagram of the utility model high voltage source regulating circuit and transformation rectification circuit
Embodiment: accompanying drawing has provided a specific embodiment of the present utility model, the utility model is by high voltage source regulating circuit, high voltage source regulating circuit controller and transformation rectification circuit, with reference to the accompanying drawings, 1 is the high voltage source regulating circuit among the figure, this high voltage source regulating circuit 1 is made up of three road anti-parallel thyristor regulating circuits, wherein first via thyristor voltage regulation circuit is made up of the resistance R 1 and the capacitor C 1 that are connected in parallel in the circuit thyristor V1 and thyristor V2 inverse parallel simultaneously.The second road thyristor voltage regulation circuit is made up of the resistance R 2 and the capacitor C 2 that are connected in parallel in the circuit thyristor V3 and thyristor V4 inverse parallel simultaneously.Third Road thyristor voltage regulation circuit is made up of the resistance R 3 and the capacitor C 3 that are connected in parallel in the circuit thyristor V5 and thyristor V6 inverse parallel simultaneously.Their input, between the first via and the second tunnel, between the first via and Third Road and the second the tunnel and Third Road between be connected with piezo-resistance R4, R5 and a R6 who absorbs surge pulse voltage in the circuit respectively; The 2nd, this circuit of transformation rectification circuit has a three-phase rectifier transformer ZB, the secondary connection three-phase bridge rectifier circuit of three-phase rectifier transformer ZB, this three-phase bridge rectifier circuit is made of rectifying tube V7, V8, V9, V10, V11 and V12, High Level AC Voltage is rectified into the output of one road negative direct current high voltage through three-phase bridge rectifier circuit, eliminate the electric field impulse current through a damping resistance again, for deduster work.The tail end of three-phase bridge rectifier circuit is connected with a sample circuit that is made of a sample resistance R7 and a piezo-resistance R8 in addition, and the signal output part of this sample circuit is connected with high voltage source regulating circuit controller, forms closed loop circuit and carries out work.
Claims (1)
- A kind of electric cleaner three-phase rectifier power supply, comprise high voltage source regulating circuit (1), high voltage source regulating circuit controller and transformation rectification circuit (2), it is characterized in that high voltage source regulating circuit (1) is made up of three road anti-parallel thyristor regulating circuits, all be associated with a piezo-resistance that absorbs surge pulse voltage in the circuit between the every two-way of its input; Said transformation rectification circuit (2) has a three-phase rectifier transformer, the secondary connection three-phase bridge rectifier circuit of three-phase rectifier transformer, High Level AC Voltage is rectified into the output of one road negative direct current high voltage through three-phase bridge rectifier circuit, the tail end of three-phase bridge rectifier circuit is connected with a sample circuit that is made of a sample resistance and a piezo-resistance in addition, and the signal output part of this sample circuit is connected with high voltage source regulating circuit controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200272665U CN201266890Y (en) | 2008-08-28 | 2008-08-28 | Three-phase eliminator supply for electrostatic precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200272665U CN201266890Y (en) | 2008-08-28 | 2008-08-28 | Three-phase eliminator supply for electrostatic precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266890Y true CN201266890Y (en) | 2009-07-01 |
Family
ID=40833259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200272665U Expired - Fee Related CN201266890Y (en) | 2008-08-28 | 2008-08-28 | Three-phase eliminator supply for electrostatic precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266890Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2008
- 2008-08-28 CN CNU2008200272665U patent/CN201266890Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103427681B (en) | High-frequency high-voltage electrostatic dust removal power and control guard method thereof | |
| CN103028494B (en) | A kind of electrostatic precipitation pulse power source control system | |
| CN103394412B (en) | A kind of electric precipitation high-frequency impulse power power-supply | |
| CN102107157B (en) | Intelligent medium-frequency high-voltage double-output direct current power supply for electric dust removal | |
| CN106026754A (en) | Multi-purpose two-way power electric test power supply system and control method thereof | |
| CN202475292U (en) | Electrostatic-precipitation high-frequency power supply control system | |
| CN104201930B (en) | Electrostatic precipitation pulsed high-voltage origin system and high-voltage pulse circuit method for designing | |
| CN204012751U (en) | A kind of energy feedback type programmable electronic can be presented load device | |
| CN205092785U (en) | Three phase current | |
| CN201613181U (en) | Intelligent medium-frequency high-voltage dual-output direct current power supply for electric dust removal | |
| CN203540712U (en) | High-frequency pulsed power supply for electric dust precipitation | |
| CN102500468A (en) | High-voltage and medium-frequency power supply for electrostatic dust collector and power supply method thereof | |
| CN202872650U (en) | H-bridge-based high-voltage stabilized power supply | |
| CN201266890Y (en) | Three-phase eliminator supply for electrostatic precipitator | |
| CN203018208U (en) | Electrostatic dust-removal pulse power source control system | |
| CN206585479U (en) | Constant flow high pressure power supply and electric cleaner | |
| CN102694474A (en) | Power supply apparatus generating electrostatic field | |
| CN102233301A (en) | High-frequency pulse power supply for electrostatic dust collector | |
| CN103475078A (en) | Charging device for high-power power battery pack | |
| CN208146221U (en) | A kind of electric precipitation high-voltage pulse power source | |
| CN203695222U (en) | Electrostatic dust collector based on photovoltaic power generation technique | |
| CN203494657U (en) | High-voltage pulse power supply for electric dust precipitation | |
| CN102664379B (en) | Equivalent 24 pulse wave non-control rectification DC thawing apparatus | |
| CN205864273U (en) | A kind of ozonator high frequency inverter | |
| CN108421642A (en) | A kind of electric precipitation high-voltage pulse power source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20130828 |