SE8904154D0 - SET TO REDUCE RISK BEFORE ETERNAL RADIATION IN AN ELECTROSTATIC DUST DISPENSER - Google Patents
SET TO REDUCE RISK BEFORE ETERNAL RADIATION IN AN ELECTROSTATIC DUST DISPENSERInfo
- Publication number
- SE8904154D0 SE8904154D0 SE8904154A SE8904154A SE8904154D0 SE 8904154 D0 SE8904154 D0 SE 8904154D0 SE 8904154 A SE8904154 A SE 8904154A SE 8904154 A SE8904154 A SE 8904154A SE 8904154 D0 SE8904154 D0 SE 8904154D0
- Authority
- SE
- Sweden
- Prior art keywords
- gases
- water
- eternal
- radiation
- electrostatic dust
- Prior art date
Links
Classifications
-
- 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
- B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
- B03C3/014—Addition of water; Heat exchange, e.g. by condensation
-
- 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
- B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
- B03C3/013—Conditioning by chemical additives, e.g. with SO3
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrostatic Separation (AREA)
- Cell Separators (AREA)
Abstract
In a method for reducing the risk of back-corona in an electrostatic precipitator (5) to which hot dust-containing gases are conducted via a gas supply duct (4) and through which the gases are conducted for dust separation, the gas temperature is reduced and the gas humidity increased by the addition to the gases, before these are conducted through the precipitator (5), of water which evaporates in the gases. Thus, an amount of water proportioned to bring about the desired reduction in temperature is injected into the gas supply duct (4). A given amount of the dust particles separated in the precipitator (5) is employed as carrier for the water, and is recycled by being injected into the gas supply duct (4) jointly with the water carried by dust particles.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8904154A SE466581B (en) | 1989-12-11 | 1989-12-11 | SET TO REDUCE RISK BEFORE ETERNAL RADIATION IN AN ELECTROSTATIC DUST DISPENSER |
AT91900972T ATE134533T1 (en) | 1989-12-11 | 1990-12-10 | METHOD FOR AVOIDING BACK SPRAY IN AN ELECTRICAL SEPARATOR |
EP91900972A EP0505426B1 (en) | 1989-12-11 | 1990-12-10 | Method for reducing the risk of back-corona in an electrostatic precipitator |
ES91900972T ES2086527T3 (en) | 1989-12-11 | 1990-12-10 | PROCEDURE TO REDUCE THE RISKS OF CORONA EFFECT KICKBACK DISCHARGES IN ELECTROSTATIC FILTERS. |
AU69599/91A AU635807B2 (en) | 1989-12-11 | 1990-12-10 | Method for reducing the risk of back-corona in an electrostatic precipitator |
PCT/SE1990/000817 WO1991008837A1 (en) | 1989-12-11 | 1990-12-10 | Method for reducing the risk of back-corona in an electrostatic precipitator |
DE69025625T DE69025625T2 (en) | 1989-12-11 | 1990-12-10 | METHOD FOR PREVENTING BACK SPRAYING IN AN ELECTRIC SEPARATOR |
CA002070661A CA2070661A1 (en) | 1989-12-11 | 1990-12-10 | Method for reducing the risk of back-corona in an electrostatic precipitator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8904154A SE466581B (en) | 1989-12-11 | 1989-12-11 | SET TO REDUCE RISK BEFORE ETERNAL RADIATION IN AN ELECTROSTATIC DUST DISPENSER |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8904154D0 true SE8904154D0 (en) | 1989-12-11 |
SE8904154L SE8904154L (en) | 1991-06-12 |
SE466581B SE466581B (en) | 1992-03-09 |
Family
ID=20377727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8904154A SE466581B (en) | 1989-12-11 | 1989-12-11 | SET TO REDUCE RISK BEFORE ETERNAL RADIATION IN AN ELECTROSTATIC DUST DISPENSER |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0505426B1 (en) |
AT (1) | ATE134533T1 (en) |
AU (1) | AU635807B2 (en) |
CA (1) | CA2070661A1 (en) |
DE (1) | DE69025625T2 (en) |
ES (1) | ES2086527T3 (en) |
SE (1) | SE466581B (en) |
WO (1) | WO1991008837A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL1967276T3 (en) | 2007-03-05 | 2019-11-29 | General Electric Technology Gmbh | A method of estimating the dust load of an esp, and a method and a device of controlling the rapping of an esp |
EP2338603A1 (en) | 2007-03-05 | 2011-06-29 | Alstom Technology Ltd | A method and a control system for controlling the operation of a last field of an electrostatic precipitator |
EP1967277B1 (en) * | 2007-03-05 | 2018-09-26 | General Electric Technology GmbH | A method of controlling the order of rapping the collecting electrode plates of an ESP |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH408075A (en) * | 1962-05-19 | 1966-02-28 | Kloeckner Humboldt Deutz Ag | Method and device for cooling and humidifying a hot gas stream |
US4533364A (en) * | 1983-02-01 | 1985-08-06 | Electric Power Research Institute, Inc. | Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate |
-
1989
- 1989-12-11 SE SE8904154A patent/SE466581B/en unknown
-
1990
- 1990-12-10 EP EP91900972A patent/EP0505426B1/en not_active Expired - Lifetime
- 1990-12-10 DE DE69025625T patent/DE69025625T2/en not_active Expired - Fee Related
- 1990-12-10 CA CA002070661A patent/CA2070661A1/en not_active Abandoned
- 1990-12-10 WO PCT/SE1990/000817 patent/WO1991008837A1/en active IP Right Grant
- 1990-12-10 AT AT91900972T patent/ATE134533T1/en not_active IP Right Cessation
- 1990-12-10 ES ES91900972T patent/ES2086527T3/en not_active Expired - Lifetime
- 1990-12-10 AU AU69599/91A patent/AU635807B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE69025625D1 (en) | 1996-04-04 |
AU635807B2 (en) | 1993-04-01 |
ES2086527T3 (en) | 1996-07-01 |
SE466581B (en) | 1992-03-09 |
CA2070661A1 (en) | 1991-06-12 |
EP0505426A1 (en) | 1992-09-30 |
WO1991008837A1 (en) | 1991-06-27 |
DE69025625T2 (en) | 1996-08-01 |
ATE134533T1 (en) | 1996-03-15 |
EP0505426B1 (en) | 1996-02-28 |
AU6959991A (en) | 1991-07-18 |
SE8904154L (en) | 1991-06-12 |
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