CA1042367A - Electrostatic precipitator electrode cleaning system - Google Patents
Electrostatic precipitator electrode cleaning systemInfo
- Publication number
- CA1042367A CA1042367A CA233,196A CA233196A CA1042367A CA 1042367 A CA1042367 A CA 1042367A CA 233196 A CA233196 A CA 233196A CA 1042367 A CA1042367 A CA 1042367A
- Authority
- CA
- Canada
- Prior art keywords
- output
- circuit
- signal
- pulses
- control
- 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
Links
- 239000012717 electrostatic precipitator Substances 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 title abstract description 8
- 239000012716 precipitator Substances 0.000 claims abstract description 23
- 230000007717 exclusion Effects 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims 2
- 230000004044 response Effects 0.000 abstract description 3
- 238000012163 sequencing technique Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000003116 impacting effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 101710164994 50S ribosomal protein L13, chloroplastic Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/76—Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
- B03C3/763—Electricity supply or control systems therefor
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Electrostatic Separation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/526,990 US4008057A (en) | 1974-11-25 | 1974-11-25 | Electrostatic precipitator electrode cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1042367A true CA1042367A (en) | 1978-11-14 |
Family
ID=24099652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA233,196A Expired CA1042367A (en) | 1974-11-25 | 1975-08-11 | Electrostatic precipitator electrode cleaning system |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4008057A (OSRAM) |
| JP (1) | JPS5176677A (OSRAM) |
| BR (1) | BR7505114A (OSRAM) |
| CA (1) | CA1042367A (OSRAM) |
| DE (1) | DE2552639A1 (OSRAM) |
| ES (1) | ES442966A1 (OSRAM) |
| FI (1) | FI56492C (OSRAM) |
| FR (1) | FR2291797A1 (OSRAM) |
| GB (1) | GB1529705A (OSRAM) |
| IT (1) | IT1043696B (OSRAM) |
| NL (1) | NL7512534A (OSRAM) |
| NO (1) | NO753951L (OSRAM) |
| SE (1) | SE398715B (OSRAM) |
| ZA (1) | ZA754645B (OSRAM) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111669A (en) * | 1975-01-28 | 1978-09-05 | Koppers Company, Inc. | Magnetic impulse rapper control system |
| US4086646A (en) * | 1976-12-30 | 1978-04-25 | Belco Pollution Control Corporation | System for the control of rappers in an electrostatic precipitator |
| US4183735A (en) * | 1978-10-26 | 1980-01-15 | Joy Manufacturing Company | Rapping system for electrostatic precipitators |
| US4285024A (en) * | 1979-05-29 | 1981-08-18 | Research-Cottrell, Inc. | Electrostatic precipitator rapper control system rapper plunger lift indicator |
| US4255775A (en) * | 1979-05-29 | 1981-03-10 | Research Cottrell, Inc. | Electrostatic precipitator rapper control system with enhanced accuracy |
| DE3001595A1 (de) * | 1980-01-17 | 1981-07-23 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum optimieren der klopfungshaeufigkeit einer elektrofilteranlage |
| US4305736A (en) * | 1980-04-28 | 1981-12-15 | General Electric Co. | Cleaning of high-voltage electrodes in an electrostatic precipitator |
| US4680669A (en) * | 1983-01-25 | 1987-07-14 | Canon Kabushiki Kaisha | Corona discharging apparatus |
| US4928456A (en) * | 1988-06-16 | 1990-05-29 | Nwl Transformers | Process for rapping of electrostatic precipitator surfaces |
| WO1991006371A1 (en) * | 1989-10-30 | 1991-05-16 | Bha Group, Inc. | Multiple rapper control for electrostatic precipitator |
| US5173867A (en) * | 1990-07-27 | 1992-12-22 | Bha Group, Inc. | Multiple rapper control for electrostatic precipitator |
| US5779764A (en) * | 1997-01-06 | 1998-07-14 | Carbon Plus, L.L.C. | Method for obtaining devolatilized bituminous coal from the effluent streams of coal fired boilers |
| US6504308B1 (en) * | 1998-10-16 | 2003-01-07 | Kronos Air Technologies, Inc. | Electrostatic fluid accelerator |
| US6664741B1 (en) | 2002-06-21 | 2003-12-16 | Igor A. Krichtafovitch | Method of and apparatus for electrostatic fluid acceleration control of a fluid flow |
| US7122070B1 (en) | 2002-06-21 | 2006-10-17 | Kronos Advanced Technologies, Inc. | Method of and apparatus for electrostatic fluid acceleration control of a fluid flow |
| US6727657B2 (en) | 2002-07-03 | 2004-04-27 | Kronos Advanced Technologies, Inc. | Electrostatic fluid accelerator for and a method of controlling fluid flow |
| US6937455B2 (en) * | 2002-07-03 | 2005-08-30 | Kronos Advanced Technologies, Inc. | Spark management method and device |
| US6963479B2 (en) * | 2002-06-21 | 2005-11-08 | Kronos Advanced Technologies, Inc. | Method of and apparatus for electrostatic fluid acceleration control of a fluid flow |
| US7150780B2 (en) * | 2004-01-08 | 2006-12-19 | Kronos Advanced Technology, Inc. | Electrostatic air cleaning device |
| US7157704B2 (en) * | 2003-12-02 | 2007-01-02 | Kronos Advanced Technologies, Inc. | Corona discharge electrode and method of operating the same |
| US7053565B2 (en) | 2002-07-03 | 2006-05-30 | Kronos Advanced Technologies, Inc. | Electrostatic fluid accelerator for and a method of controlling fluid flow |
| DE102004036210B4 (de) * | 2004-07-26 | 2006-08-31 | Siemens Ag | Steuereinrichtung sowie Steuerverfahren für Elektrofilter mit einer konfigurierbaren Anzahl paralleler und serieller Filterzonen |
| US7410532B2 (en) * | 2005-04-04 | 2008-08-12 | Krichtafovitch Igor A | Method of controlling a fluid flow |
| US20090022340A1 (en) * | 2006-04-25 | 2009-01-22 | Kronos Advanced Technologies, Inc. | Method of Acoustic Wave Generation |
| JP2010516459A (ja) * | 2007-01-24 | 2010-05-20 | ベンティバ・インコーポレイテッド | コロナ電極における粉塵の凝集を防止する方法及び装置 |
| ES2332299B1 (es) * | 2008-07-29 | 2010-09-30 | Novoltec Automatizacion S.A | Sistema de limpieza de electrodos electroliticos. |
| KR100954878B1 (ko) * | 2009-03-10 | 2010-04-28 | 넥슨 주식회사 | 실내 공기의 이온 및 오존 최적화 포화방법 |
| EP3019798B1 (en) * | 2014-09-16 | 2018-05-23 | Huawei Technologies Co., Ltd. | Method, device and system for cooling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3483669A (en) * | 1965-09-13 | 1969-12-16 | Koppers Co Inc | Dust dislodging system for electrostatic precipitators |
| US3504480A (en) * | 1966-10-21 | 1970-04-07 | Cottrell Res Inc | Electrostatic precipitator rapper control system |
| US3469371A (en) * | 1967-05-02 | 1969-09-30 | Buell Eng Co | Apparatus for controlling the removal of particle accumulations from the electrodes of an electric precipitator |
| US3487606A (en) * | 1968-04-10 | 1970-01-06 | Koppers Co Inc | Frequency and duration control for electrode rappers |
| US3754379A (en) * | 1971-02-11 | 1973-08-28 | Koppers Co Inc | Apparatus for electrode rapper control |
-
1974
- 1974-11-25 US US05/526,990 patent/US4008057A/en not_active Expired - Lifetime
-
1975
- 1975-07-18 ZA ZA00754645A patent/ZA754645B/xx unknown
- 1975-08-11 CA CA233,196A patent/CA1042367A/en not_active Expired
- 1975-08-11 BR BR7505114A patent/BR7505114A/pt unknown
- 1975-10-08 GB GB41228/75A patent/GB1529705A/en not_active Expired
- 1975-10-27 NL NL7512534A patent/NL7512534A/xx not_active Application Discontinuation
- 1975-10-28 IT IT28748/75A patent/IT1043696B/it active
- 1975-11-24 DE DE19752552639 patent/DE2552639A1/de not_active Withdrawn
- 1975-11-24 FI FI753300A patent/FI56492C/fi not_active IP Right Cessation
- 1975-11-24 NO NO753951A patent/NO753951L/no unknown
- 1975-11-24 SE SE7513166A patent/SE398715B/xx unknown
- 1975-11-24 FR FR7535763A patent/FR2291797A1/fr active Granted
- 1975-11-25 ES ES442966A patent/ES442966A1/es not_active Expired
- 1975-11-25 JP JP50141079A patent/JPS5176677A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ZA754645B (en) | 1976-07-28 |
| IT1043696B (it) | 1980-02-29 |
| JPS5176677A (OSRAM) | 1976-07-02 |
| SE7513166L (sv) | 1976-05-26 |
| DE2552639A1 (de) | 1976-05-26 |
| US4008057A (en) | 1977-02-15 |
| FR2291797A1 (fr) | 1976-06-18 |
| FI753300A7 (OSRAM) | 1976-05-26 |
| BR7505114A (pt) | 1976-08-31 |
| AU8267675A (en) | 1977-01-06 |
| NL7512534A (nl) | 1976-05-28 |
| SE398715B (sv) | 1978-01-16 |
| NO753951L (OSRAM) | 1976-05-26 |
| FI56492C (fi) | 1980-02-11 |
| FI56492B (fi) | 1979-10-31 |
| FR2291797B1 (OSRAM) | 1983-01-07 |
| ES442966A1 (es) | 1977-08-16 |
| GB1529705A (en) | 1978-10-25 |
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