CN202725331U - Parallel high frequency rectifier transformer for electrostatic precipitation - Google Patents
Parallel high frequency rectifier transformer for electrostatic precipitation Download PDFInfo
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- CN202725331U CN202725331U CN 201220445292 CN201220445292U CN202725331U CN 202725331 U CN202725331 U CN 202725331U CN 201220445292 CN201220445292 CN 201220445292 CN 201220445292 U CN201220445292 U CN 201220445292U CN 202725331 U CN202725331 U CN 202725331U
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- frequency rectification
- electrostatic precipitation
- oil tank
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Abstract
The utility model discloses a parallel high frequency rectifier transformer for electrostatic precipitation. The parallel high frequency rectifier transformer comprises two same high frequency rectifier transformers and a transformer oil tank, the two same high frequency rectifier transformers are prarellelly placed in the transformer oil tank, low voltage sides of the two high frequency rectifier transformers are parellelly connected outside the oil tank through wires, and high voltage sides of the two high frequency rectifier transformers are connected with rectifier bridge plates of the high frequency rectifier transformers in the transformer oil tank and then parellelly output. After parallel connection, total leakage inductance of the transformer is reduced, distributed capacitance values meet requirements, an operating frequency range can reach 5-50kHz, direct-current output rated voltage is 100kV, rated current is not smaller than 2400mA, and output rated power is not smaller than 160kVA. The parallel high frequency rectifier transformer is applicable to electrostatic precipitation devices.
Description
Technical field
The utility model has related to a kind of special transformer, has related in particular to a kind of power that can be applicable in the electrostatic precipitator and can reach the above electrostatic precipitation of 160kV with high-frequency rectification transformer in parallel.
Background technology
Present stage, although the development of domestic high-power transformer makes great progress, under some particular surroundings, still can't satisfy it to powerful requirement.And transformers connected in parallel operation is a kind of power supply quality that can improve, and increases the output general power, improves power supply safety reliability, economy, strengthens the power supply flexibility and to user's uninterrupted power supply effectively means in operation, so obtained adopting widely.
Along with industrial expansion and production-scale day by day increase, environmental pollution is day by day serious.Dust is to cause one of air-polluting major pollutants.The industry such as the Coal dressing of support China industrial foundation, mining, electric power, metallurgy, oil refining, chemical industry, papermaking all are the emission sources of dust.New depositing dust standard is 30mg/m3 at present, in order to reach this standard, must carry out in process of production dedusting.And in many cleaners, electrostatic precipitator has that efficiency of dust collection is high, the smoke treatment amount is large, drag losses is little, energy consumption is little and the advantage such as operating cost is low, and therefore, electrostatic precipitation and the correlation technique epoch of complying with thereof develop rapidly.
Summary of the invention
The purpose of this utility model provides a kind of electrostatic precipitation with high-frequency rectification transformer in parallel, this transformer merit is that a kind of rate is large, distributed constant meets the requirements, operating frequency range can reach 5 ~ 50kHz, the direct current output rated voltage is 100kV, rated current is not less than 2400mA, and the electrostatic precipitation that output rated power is not less than 160kVA is with high-frequency rectification transformer in parallel.
The purpose of this utility model is achieved through the following technical solutions:
A kind of electrostatic precipitation is with high-frequency rectification transformer in parallel, it is characterized in that: this transformer comprises two identical high-frequency rectification transformer and oil tank of transformer, two high-frequency rectification transformers all are arranged in the oil tank of transformer and are placed side by side, the low-pressure side of these two high-frequency rectification transformers is outside in parallel with wire at fuel tank, again output in parallel after high-pressure side rectification bridge plate inner at oil tank of transformer and separately is connected.
In the utility model, in two high-frequency rectification transformers connected successively rear two by the output of rectification bridge plate and carry out parallel connection in the high-pressure side of each, the positive pressure side of the transformer output after the parallel connection is connected with transformer case, and the negative pressure end is connected with the transformer high-voltage lead-out wire.
Described separate unit high-frequency rectification transformer comprises ultracrystallite Nanoalloy iron core, low pressure winding, high pressure winding, rectifier bridge, ultracrystallite Nanoalloy iron core is rectangle, and the low pressure winding divides on two groups of 2 low-voltage frameworks that are wound in the long side column of ultracrystallite Nanoalloy iron core; The layering of high voltage winding set of segmentation is wound on the high voltage ring skeleton and is set in low pressure winding outside; Each high pressure sub-winding of high pressure winding is connected with the output of rectifier bridge.
The total leakage inductance of transformer reduces after the utility model parallel connection, and the distribution capacity value meets the requirements.In order to reduce inclined to one side exciting phenomena, transformer rectification bridge plate wiring point biased outward is placed.
In order to increase area of dissipation, oil tank of transformer is provided with the radiatinig corrugated sheet on four sides, is provided with wind passage mouth in the transformer oil box top, and fuel tank adopts top supplying air, and its top steel plate is selected the nonmagnetic steel plate.In order to reduce point discharge, increase equipment dependability and security, increased by a spherical bolt in transformer divider resistance upper end.
In the utility model, in order to obtain higher power, described two identical high-frequency rectification transformers also can be replaced by one group of a plurality of identical high-frequency rectification transformer, and connected mode is identical with the utility model.
Electrostatic precipitation of the present utility model is with high-frequency rectification transformer in parallel, and not only the parallel connection by transformer has solved the under powered problem of existing high-power transformer, has reduced especially total leakage inductance numerical value of transformer, so that distribution capacity reaches standard-required.In addition, the structural modification on the rectification bridge plate has greatly reduced inclined to one side excitation effect, and the wiring point biased outward is placed; Four sides radiatinig corrugated sheet and top supplying air design are then so that cooling-down effect is more obvious.The power that the utility model is applicable in the electrostatic precipitator can reach in the above electrostatic precipitation of 160kV.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the side structure schematic diagram of accompanying drawing 1;
Fig. 3 is transformer oil tank structure schematic diagram of the present utility model;
Fig. 4 is the path schematic diagram that leaks out of the present utility model;
Fig. 5 is rectification bridge plate schematic diagram of the present utility model.
The specific embodiment
Referring to attached Fig. 1 and 2,1 is electrician's level pressed wood clamping plate among the figure, and 2 is spherical bolt, 3 is divider resistance, and 4 is the rectified current bridge plate, and 5 is the low pressure winding, 6 is the high pressure winding, and 7 is ultracrystallite Nanoalloy iron core, and 8 is the low pressure connection jaws, 9 is sample port, and 10 are the high-voltage connection mouth, and 11 is low-voltage framework, 12 is the high pressure skeleton, 13 is the radiatinig corrugated sheet, and 14 is wind passage mouth, and 15 are rectification bridge plate wiring point.
A kind of electrostatic precipitation is with high-frequency rectification transformer in parallel, comprise two high-frequency rectification transformer 30 and oil tank of transformer 20 that model is identical, two high-frequency rectification transformers all are arranged in the oil tank of transformer and are placed side by side, the low-pressure side of these two high-frequency rectification transformers is outside in parallel with wire at fuel tank, again output in parallel after high-pressure side rectification bridge plate 4 inner at oil tank of transformer and separately is connected.
In two high-frequency rectification transformers connected successively rear two by the output of rectification bridge plate and carry out parallel connection in the high-pressure side of each, and the positive pressure side of the transformer output after the parallel connection is connected with transformer case, and the negative pressure end is connected with transformer high-voltage lead-out wire 10.This parallel-connection structure can reduce the total leakage inductance numerical value of transformer, and so that distribution capacity numerical value meets technological requirement.
Separate unit high-frequency rectification transformer comprises ultracrystallite Nanoalloy iron core 7, low pressure winding 5, high pressure winding 6, rectified current bridge plate 4, ultracrystallite Nanoalloy iron core is rectangle, and the low pressure winding divides on two groups of 2 low-voltage frameworks 11 that are wound in the long side column of ultracrystallite Nanoalloy iron core; The layering of high voltage winding set of segmentation is wound on the high pressure skeleton 12 and is set in low pressure winding outside; Each high pressure sub-winding of high pressure winding is connected with the output of rectifier bridge.In order to reduce inclined to one side exciting phenomena, transformer rectification bridge plate wiring point 15 biased outward are placed.
Oil tank of transformer 20 is provided with the radiatinig corrugated sheet 13 at four sides, is provided with wind passage mouth 14 in the transformer oil box top, and fuel tank adopts top supplying air, blows at the top with blower fan, has greatly increased heat dissipation capacity.And for the high frequency magnetic field that prevents low-voltage lead produces electromagnetic eddy and causes heating when passing through steel plate, the top of oil-tank steel plate is selected the nonmagnetic steel plate.Spherical bolt 2 is arranged on divider resistance 3 upper ends, and this design can reduce point discharge phenomenon, improves device security and reliability.
In order to obtain higher power, also can replace two identical high-frequency rectification transformers in the present embodiment by one group of a plurality of identical high-frequency rectification transformer, connected mode is identical with the utility model.
Claims (7)
1. an electrostatic precipitation is with high-frequency rectification transformer in parallel, it is characterized in that: this transformer comprises two identical high-frequency rectification transformers (30) and oil tank of transformer (20), it is interior and placed side by side that two high-frequency rectification transformers (30) all are arranged on oil tank of transformer (20), the low-pressure side of these two high-frequency rectification transformers (30) is outside in parallel with wire at fuel tank, again output in parallel after high-pressure side rectification bridge plate (4) inner at oil tank of transformer (20) and separately is connected.
2. electrostatic precipitation according to claim 1 is with high-frequency rectification transformer in parallel, it is characterized in that: in two high-frequency rectification transformers (30) connected successively rear two by the output of rectification bridge plate and carry out parallel connection in the high-pressure side of each, the positive pressure side of the transformer output after the parallel connection is connected with transformer case, and the negative pressure end is connected with the transformer high-voltage lead-out wire.
3. electrostatic precipitation according to claim 1 is with high-frequency rectification transformer in parallel, it is characterized in that: described separate unit high-frequency rectification transformer (30) comprises ultracrystallite Nanoalloy iron core (7), low pressure winding (5), high pressure winding (6), rectifier bridge (4), ultracrystallite Nanoalloy iron core (7) is rectangle, and low pressure winding (5) minutes two groups is wound on 2 low-voltage frameworks (11) of the long side column of ultracrystallite Nanoalloy iron core (7); High pressure winding (6) staged and layered is wound on high voltage ring skeleton (12) upward and is set in low pressure winding (5) outside; Each high pressure sub-winding of high pressure winding (6) is connected with the output of rectifier bridge.
4. electrostatic precipitation according to claim 1 is characterized in that: the placement of transformer rectification bridge plate (4) wiring point biased outward with high-frequency rectification transformer in parallel.
5. electrostatic precipitation according to claim 1 is characterized in that with high-frequency rectification transformer in parallel: oil tank of transformer (20) four sides is equipped with radiatinig corrugated sheet (13), is provided with wind passage mouth (14) at oil tank of transformer (20) top.
6. electrostatic precipitation according to claim 1 is characterized in that with high-frequency rectification transformer in parallel: be provided with in oil tank of transformer (20) and be divider resistance (3), this divider resistance (3) is provided with spherical bolt (2).
7. electrostatic precipitation according to claim 1 is characterized in that with high-frequency rectification transformer in parallel: described two identical high-frequency rectification transformers (30) are replaced by one group of identical high-frequency rectification transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220445292 CN202725331U (en) | 2012-09-04 | 2012-09-04 | Parallel high frequency rectifier transformer for electrostatic precipitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220445292 CN202725331U (en) | 2012-09-04 | 2012-09-04 | Parallel high frequency rectifier transformer for electrostatic precipitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202725331U true CN202725331U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220445292 Expired - Fee Related CN202725331U (en) | 2012-09-04 | 2012-09-04 | Parallel high frequency rectifier transformer for electrostatic precipitation |
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| Country | Link |
|---|---|
| CN (1) | CN202725331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814235A (en) * | 2012-09-04 | 2012-12-12 | 镇江天力变压器有限公司 | Parallel connection high frequency rectifying transformer for static dust extraction |
| CN103639048A (en) * | 2013-11-29 | 2014-03-19 | 永康市星月电器有限公司 | Distributed capacitance isolator of electrostatic adsorption device of air purifier |
-
2012
- 2012-09-04 CN CN 201220445292 patent/CN202725331U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814235A (en) * | 2012-09-04 | 2012-12-12 | 镇江天力变压器有限公司 | Parallel connection high frequency rectifying transformer for static dust extraction |
| CN103639048A (en) * | 2013-11-29 | 2014-03-19 | 永康市星月电器有限公司 | Distributed capacitance isolator of electrostatic adsorption device of air purifier |
| CN103639048B (en) * | 2013-11-29 | 2016-02-17 | 永康市星月电器有限公司 | A kind of distribution capacity isolator of air purifier electrostatic adsorption device |
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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: 20130213 Termination date: 20150904 |
|
| EXPY | Termination of patent right or utility model |