CN112007758A - System and method for mutually redundant power supply of adjacent electric fields of electric dust collector - Google Patents
System and method for mutually redundant power supply of adjacent electric fields of electric dust collector Download PDFInfo
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- CN112007758A CN112007758A CN202010699086.7A CN202010699086A CN112007758A CN 112007758 A CN112007758 A CN 112007758A CN 202010699086 A CN202010699086 A CN 202010699086A CN 112007758 A CN112007758 A CN 112007758A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/66—Applications of electricity supply techniques
Abstract
The invention relates to an adjacent electric field mutual redundancy power supply system of an electric dust collector, which comprises a first high-voltage silicon rectifier transformer, a second high-voltage silicon rectifier transformer, a connecting wire, a first high-voltage input end, a second high-voltage input end, an electric field connecting end, two electric field connecting ends, an electric field standby connecting end and two electric field standby connecting ends, wherein the first high-voltage silicon rectifier transformer is connected with the electric field connecting end, the second high-voltage silicon rectifier transformer is connected with the two electric field connecting ends, and the electric field standby connecting end is connected with the two electric field standby connecting ends through the connecting wire. According to the invention, the two high-voltage power supplies are mutually standby, when any one electric field power supply fails and stops, the two electric fields can be switched on simultaneously by the power supplies of the adjacent electric fields through the switching of the mutually redundant power supply systems of the adjacent electric fields, so that the two electric fields of the electric dust collector are powered on, and the two electric fields of the electric dust collector are in a charged normal working state.
Description
Technical Field
The invention relates to a power supply system, in particular to a mutual redundancy power supply system for adjacent electric fields of an electric dust collector.
Background
Electric dust collectors typically consist of two or more electric fields, each of which is typically independently powered by a high voltage power supply. When a high-voltage power supply unit applies high-voltage direct-current voltage between the cathode and the anode of the electric dust collector, corona discharge is generated near the cathode, an electric field is formed, gas is ionized to generate positive ions and negative ions which move towards the two poles and collide with dust, and dust charges move towards the anode, so that the dust collection purpose is achieved.
Every electric field of electrostatic precipitator is by a high voltage power supply independent power supply, when arbitrary power supply broke down, then can't supply power for the electric field that corresponds, leads to whole electric field inoperative, and an electric field dust collection area of electrostatic precipitator generally accounts for 20 ~ 50% of whole dust remover total dust collection area, consequently seriously influences electrostatic precipitator dust collection efficiency, leads to the dust to discharge and exceeds standard.
Disclosure of Invention
The invention aims to solve the problem of providing a mutual redundancy power supply system for adjacent electric fields of an electric dust collector, so that when any one electric field power supply fails and stops, the two electric fields can be switched on by the power supply of the adjacent electric fields at the same time to supply power to the two electric fields, and the two electric fields of the electric dust collector are in a charged normal working state.
In order to solve the technical problem, the adjacent electric field mutual redundancy power supply system of the electric dust collector comprises a first high-voltage silicon rectifier transformer, a second high-voltage silicon rectifier transformer, a connecting wire, a first high-voltage input end, a second high-voltage input end, an electric field connection end, two electric field connection ends, an electric field standby connection end and two electric field standby connection ends, wherein the first high-voltage silicon rectifier transformer is connected with the electric field connection end, the second high-voltage silicon rectifier transformer is connected with the two electric field connection ends, and the electric field standby connection end is connected with the two electric field standby connection ends through the connecting wire.
Furthermore, the electric field connection end, the two electric field connection ends, the first grounding end, the second grounding end, the electric field standby connection end and the two electric field standby connection ends are arranged in the isolating switch cabinet.
Further, the system further comprises a first ground terminal and a second ground terminal.
Furthermore, the connecting lead is provided with a wall-through insulating sleeve outside the part passing through the isolation switch cabinet.
Furthermore, a wall-through insulating sleeve is arranged outside the connecting lead of the standby connecting end of the electric field through the connecting lead of the standby connecting end of the two electric fields.
Furthermore, a connecting sleeve is arranged outside the connecting lead of the standby connecting end of the electric field through the connecting lead connected with the standby connecting ends of the two electric fields.
The invention also relates to a mutual redundancy power supply method for adjacent electric fields of the electric dust collector, when two electric field power supplies normally and respectively supply power to respective electric fields independently:
when the electric dust collector normally operates, a first high-voltage power supply input end in a first isolating switch cabinet is connected with an electric field connecting end through a knife switch, a second high-voltage power supply input end of a second isolating switch cabinet is connected with a second electric field connecting end, standby connecting ends of a first electric field and a second electric field in the two isolating switch cabinets are connected through connecting wires, the standby connecting ends of the first electric field and the second electric field are respectively connected to a first grounding end and a second grounding end of the isolating switch cabinet, the standby connecting ends of the first electric field and the second electric field are in a disconnected state at the moment, and a high-voltage silicon rectifier transformer respectively and independently supplies power to the first electric field and the second electric field;
one electric field power supply fails, and two electric field power supplies simultaneously supply power to two electric fields:
when an electric field power supply fails, an electric field connecting end in the first isolating switch cabinet is disconnected with the first high-voltage input end, a knife switch of the electric field connecting end is connected to an electric field standby connecting end, the knife switch of the electric field standby connecting end is disconnected with the first grounding end and moves to the electric field connecting end, the electric field connecting ends in the second isolating switch cabinet are kept connected with the second high-voltage power supply input end, and meanwhile, the knife switches of the electric field standby connecting ends are disconnected from the second grounding end and move to be connected with the second high-voltage power supply input end. Thereby connecting the on end of the first electric field with the second high-voltage input end, and realizing that the two electric field high-voltage power supplies simultaneously supply power to the first electric field and the second electric field;
when the two electric field power supplies are in failure, the electric field power supply simultaneously provides power for the two electric fields:
when the two electric field power supplies are in failure, the two electric field connecting ends in the second isolating switch cabinet are disconnected with the second high-voltage input end, the knife switches of the two electric field connecting ends are connected to the two electric field standby connecting ends, the knife switches of the two electric field standby connecting ends are disconnected with the second grounding end and move to the two electric field connecting ends, the first electric field connecting end in the first isolating switch cabinet is kept connected with the first high-voltage power supply input end, and meanwhile, the knife switches of the one electric field standby connecting end are disconnected from the first grounding end and move to be connected with the first high-voltage power supply input end. Therefore, the two electric field switch-on ends are connected with the first high-voltage input end, and the electric field high-voltage power supply can supply power to the first electric field and the second electric field simultaneously.
By adopting the structure, the power supply system provided by the invention is provided with the redundancy power supply system aiming at two adjacent electric fields of the electric dust collector, the two high-voltage power supplies are mutually standby, when any one electric field power supply fails and stops, the two electric fields can be switched on by the power supplies of the adjacent electric fields at the same time through the switching of the redundancy power supply system of the adjacent electric fields, so that the power is supplied to the two electric fields, and the two electric fields of the electric dust collector are in a charged normal working state. The invention solves the problems of power failure, reduced efficiency of the electric dust collector and over standard discharge of an outlet when each electric field high-voltage power supply of the electric dust collector independently supplies power.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of an adjacent electric field mutual redundancy power supply system of an electric dust collector.
Fig. 2 is a schematic diagram of a mode in which two electric field power supplies normally and respectively supply power to respective electric fields independently.
FIG. 3 is a schematic diagram of a mode in which one electric field power supply fails and two electric field power supplies simultaneously power two electric fields.
FIG. 4 is a schematic diagram of a two-field power failure, one-field power mode for simultaneously powering two fields.
Reference numerals: the high-voltage silicon rectifier transformer comprises a first high-voltage silicon rectifier transformer 1, a first isolation switch cabinet 2, a second high-voltage silicon rectifier transformer 3, a second isolation switch cabinet 4, a connecting sleeve 5, a wall-penetrating insulating sleeve 6, a connecting wire 7, an electric field connection end 8, a second electric field connection end 9, a first grounding end 10, a second grounding end 11, an electric field standby connection end 12, a second electric field standby connection end 13, a first high-voltage input end 14, a second high-voltage input end 15, an electric field 16, a second electric field 17 and a switch blade 18.
Detailed Description
As shown in fig. 1 to 4, the adjacent electric field mutual redundancy power supply system for an electric dust collector of the present invention includes a first high voltage silicon rectifier transformer 1, a first isolation switch cabinet 2, a second high voltage silicon rectifier transformer 3, a second isolation switch cabinet 4, a connection sleeve 5, a wall bushing 6, a connection wire 7, a first high voltage input end 14, a second high voltage input end 15, an electric field connection end 8, a second electric field connection end 9, a first ground end 10, a second ground end 11, an electric field backup connection end 12, and a second electric field backup connection end 13. The first high-voltage silicon rectifier transformer 1 is connected with a first high-voltage input end 14, the second high-voltage silicon rectifier transformer is connected with a second high-voltage input end 15, an electric field connecting end 8 is connected with an electric field 16 through a connecting wire 7, two electric field connecting ends 9 are connected with two electric fields 17 through the connecting wire 7, and an electric field standby connecting end 12 is connected with a two electric field standby connecting end 13 through the connecting wire 7.
The first high-voltage input terminal 14, the first electric field connection terminal 8, the first ground terminal 10 and the first electric field standby connection terminal 12 are installed in the first isolation switch cabinet 2, and the second high-voltage input terminal 15, the second electric field connection terminal 9, the second ground terminal 11 and the second electric field standby connection terminal 13 are installed in the second isolation switch cabinet 4.
The connecting line 7 is provided with a wall bushing 6 outside the section passing through the disconnector cabinet.
The wall-through insulating sleeve 6 is arranged outside the connecting lead 7 of the first electric field standby connecting end 12 and the second electric field standby connecting end 13. The connecting sleeve 5 is arranged outside the connecting lead 7 of the first electric field standby connecting end 12 and the second electric field standby connecting end 13.
The working states of the two electric field power supplies can be divided into the following three modes:
1. the two electric field power supplies normally respectively supply power to respective electric fields in an independent power supply mode:
as shown in fig. 2, when the electric dust collector operates normally, the first high voltage power input terminal 14 in the first isolation switch cabinet 2 is connected to the electric field connection terminal 8 through the switch blade 18, the second high voltage power input terminal 15 in the second isolation switch cabinet 4 is connected to the second electric field connection terminal 9, meanwhile, the standby connection terminals 12 and 13 of the first and second electric fields in the two isolation switch cabinets are connected to the first and second ground terminals 10 and 11 of the isolation switch cabinets through the connection sleeve 5, the wall-penetrating insulation sleeve 6 and the connection wire 7, and the standby connection terminals 12 and 13 of the first and second electric fields are connected to the first and second ground terminals 10 and 11 of the isolation switch cabinets respectively, and at this time, the standby connection terminals 12 and 13 of the first and second electric fields are both in an off state, and the high voltage silicon rectifier transformers 1 and 3 supply power to the first, second electric fields 16.
2. One electric field power supply fails, and two electric field power supplies simultaneously supply power to two electric fields:
as shown in fig. 3, when an electric field power fails, an electric field connection terminal 8 of the first isolation switch cabinet 2 is disconnected from the first high voltage input terminal 14, a blade 18 of the electric field connection terminal 8 is connected to an electric field standby connection terminal 12, the blade 18 of the electric field standby connection terminal 12 is disconnected from the first ground terminal 10 and moved to the electric field connection terminal 8, while the second electric field connection terminal 9 of the second isolation switch cabinet 4 is kept connected to the second high voltage power input terminal 15, and the blade of the second electric field standby connection terminal 13 is disconnected from the second ground terminal 11 and moved to be connected to the second high voltage power input terminal 15. Thereby, the first electric field connection end 8 is connected with the second high voltage input end 15, and the two electric field high voltage power supplies can supply power to the first electric field and the second electric field simultaneously.
3. Two electric field power failures, an electric field power simultaneously gives two electric field power modes:
as shown in fig. 4, when the two-field power fails, the second field-on terminal 9 of the second isolation switch cabinet 4 is disconnected from the second high-voltage input terminal 15, the blade 18 of the second field-on terminal 9 is connected to the second field-standby terminal 13, the blade 18 of the second field-standby terminal 13 is disconnected from the second ground terminal 11, and moves to the second field-on terminal 9, while the first field-on terminal 8 of the first isolation switch cabinet 2 is kept connected to the first high-voltage power input terminal 14, and the blade of the first field-standby terminal 12 is disconnected from the first ground terminal 10 and moves to be connected to the first high-voltage power input terminal 14. Therefore, the two electric field connection ends 9 are connected with the first high-voltage input end 14, and the electric field high-voltage power supply can supply power to the first electric field and the second electric field simultaneously.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention in any way, so that any person skilled in the art can make changes or modifications to the equivalent embodiments using the above disclosure. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the present invention, unless they depart from the technical spirit of the present invention.
Claims (7)
1. The utility model provides an adjacent electric field of electrostatic precipitator redundancy power supply system which characterized in that: including first high-voltage silicon rectifier transformer, second high-voltage silicon rectifier transformer, connecting wire, first high-voltage input end, second high-voltage input end, an electric field switching-on end, two electric fields switching-on end, the reserve switching-on end of an electric field and the reserve switching-on end of two electric fields, first high-voltage silicon rectifier transformer connects an electric field switching-on end, second high-voltage silicon rectifier transformer connects two electric fields switching-on end, and the reserve switching-on end of an electric field passes through connecting wire and connects the reserve switching-on end of two electric fields.
2. The electric dust collector adjacent electric field mutual redundancy power supply system according to claim 1, characterized in that: the first electric field connection end, the second electric field connection end, the first grounding end, the second grounding end, the electric field standby connection end and the two electric field standby connection ends are arranged in the isolating switch cabinet.
3. The electric dust collector adjacent electric field mutual redundancy power supply system according to claim 1, characterized in that: also included are a first ground terminal and a second ground terminal.
4. The adjacent electric field mutual redundancy power supply system of the electric dust collector as claimed in any one of claims 1 to 3, characterized in that: and the connecting lead is provided with a wall-through insulating sleeve outside the part passing through the isolating switch cabinet.
5. The adjacent electric field mutual redundancy power supply system of the electric dust collector as claimed in any one of claims 1 to 3, characterized in that: and a wall-through insulating sleeve is arranged outside the connecting lead of the standby connecting end of the first electric field through the connecting lead of the standby connecting end of the second electric field.
6. The adjacent electric field mutual redundancy power supply system of the electric dust collector as claimed in any one of claims 1 to 3, characterized in that: and a connecting sleeve is arranged outside the connecting lead of the standby connecting end of the first electric field through connecting the standby connecting ends of the second electric field.
7. A mutual redundancy power supply method for adjacent electric fields of an electric dust collector is characterized by comprising the following steps: the working states of the two electric field power supplies can be divided into the following three modes,
when the two electric field power supplies normally and respectively supply power to the respective electric fields independently:
when the electric dust collector normally operates, a first high-voltage power supply input end in a first isolating switch cabinet is connected with an electric field connecting end through a knife switch, a second high-voltage power supply input end of a second isolating switch cabinet is connected with a second electric field connecting end, standby connecting ends of a first electric field and a second electric field in the two isolating switch cabinets are connected through connecting wires, the standby connecting ends of the first electric field and the second electric field are respectively connected to a first grounding end and a second grounding end of the isolating switch cabinet, the standby connecting ends of the first electric field and the second electric field are in a disconnected state at the moment, and a high-voltage silicon rectifier transformer respectively and independently supplies power to the first electric field and the second electric field;
one electric field power supply fails, and two electric field power supplies simultaneously supply power to two electric fields:
when an electric field power supply fails, an electric field connecting end in the first isolating switch cabinet is disconnected with the first high-voltage input end, a knife switch of the electric field connecting end is connected to an electric field standby connecting end, the knife switch of the electric field standby connecting end is disconnected with the first grounding end and moves to the electric field connecting end, the electric field connecting ends in the second isolating switch cabinet are kept connected with the second high-voltage power supply input end, and meanwhile, the knife switches of the electric field standby connecting ends are disconnected from the second grounding end and move to be connected with the second high-voltage power supply input end. Thereby connecting the on end of the first electric field with the second high-voltage input end, and realizing that the two electric field high-voltage power supplies simultaneously supply power to the first electric field and the second electric field;
when the two electric field power supplies are in failure, the electric field power supply simultaneously provides power for the two electric fields:
when the two electric field power supplies are in failure, the two electric field connecting ends in the second isolating switch cabinet are disconnected with the second high-voltage input end, the knife switches of the two electric field connecting ends are connected to the two electric field standby connecting ends, the knife switches of the two electric field standby connecting ends are disconnected with the second grounding end and move to the two electric field connecting ends, the first electric field connecting end in the first isolating switch cabinet is kept connected with the first high-voltage power supply input end, and meanwhile, the knife switches of the one electric field standby connecting end are disconnected from the first grounding end and move to be connected with the first high-voltage power supply input end. Therefore, the two electric field switch-on ends are connected with the first high-voltage input end, and the electric field high-voltage power supply can supply power to the first electric field and the second electric field simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010699086.7A CN112007758A (en) | 2020-07-17 | 2020-07-17 | System and method for mutually redundant power supply of adjacent electric fields of electric dust collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010699086.7A CN112007758A (en) | 2020-07-17 | 2020-07-17 | System and method for mutually redundant power supply of adjacent electric fields of electric dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649170A (en) * | 2021-08-17 | 2021-11-16 | 烟台精一环保设备有限公司 | Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof |
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| CN102457198A (en) * | 2012-01-16 | 2012-05-16 | 中钢集团天澄环保科技股份有限公司 | High-voltage power supply of electric dust collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649170A (en) * | 2021-08-17 | 2021-11-16 | 烟台精一环保设备有限公司 | Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof |
| CN113649170B (en) * | 2021-08-17 | 2023-12-26 | 烟台精一环保设备有限公司 | Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof |
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