GB1083788A - Operating circuit for an electrostatic precipitator - Google Patents

Operating circuit for an electrostatic precipitator

Info

Publication number
GB1083788A
GB1083788A GB26082/66A GB2608266A GB1083788A GB 1083788 A GB1083788 A GB 1083788A GB 26082/66 A GB26082/66 A GB 26082/66A GB 2608266 A GB2608266 A GB 2608266A GB 1083788 A GB1083788 A GB 1083788A
Authority
GB
United Kingdom
Prior art keywords
pulses
working
sparkover
sampling
sampling pulses
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
Application number
GB26082/66A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beazer East Inc
Original Assignee
Koppers Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koppers Co Inc filed Critical Koppers Co Inc
Publication of GB1083788A publication Critical patent/GB1083788A/en
Expired legal-status Critical Current

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
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B03C3/68—Control systems therefor
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/903—Precipitators

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electrostatic Separation (AREA)

Abstract

1,083,788. Electrostatic precipitators. KOPPERS CO. Inc. June 10, 1966 [June 11, 1965], No. 26082/66. Heading H2H. In an electrostatic precipitator, a series of sampling pulses of selected higher magnitude than the normal working voltage are applied to the electrodes and the voltages are adjusted according to the presence or absence of sparking in the precipitator. The working voltage is applied in the form of a series of pulses from a capacitor 7, changed through a resistor 1 and diode 13 and discharged through the electrodes and diode 12 by the firing of a tube 4. A similar circuit operated by tube 5 provides interleaved sampling pulses. Control voltages representative of the precipitator currents from resistors 23, 24 are passed through diodes 25, 26 to a capacitor 27, the voltage across which is compared with a reference 30 and the difference passed to an amplifier 31. If no sparkover occurs, a motor 35 increases the working and sampling voltages until the sparkover of the sampling pulses is sufficient to arrest the motor. If the sparkover level drops and both voltages cause excessive sparkover, the capacitor 27 voltage causes a reversal of the amplifier input signal and hence reversal of the motor 35. The sampling pulses may be equal to or narrower than the working pulses and may be numerically equal to or less than the working pulses. The tubes 4, 5 are fired by pulse generators 43, 44, energized from variable frequency phase displaceable alternations 40, 41. The working pulses are inhibited during the sampling pulses. In an alternative arrangement (Fig. 2, not shown), two sets of sampling pulses are generated of differing amplitude from tubes (5), (6), from which the control voltages are derived.
GB26082/66A 1965-06-11 1966-06-10 Operating circuit for an electrostatic precipitator Expired GB1083788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46312565A 1965-06-11 1965-06-11

Publications (1)

Publication Number Publication Date
GB1083788A true GB1083788A (en) 1967-09-20

Family

ID=23838959

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26082/66A Expired GB1083788A (en) 1965-06-11 1966-06-10 Operating circuit for an electrostatic precipitator

Country Status (4)

Country Link
US (1) US3443358A (en)
CH (1) CH448974A (en)
DE (1) DE1557099A1 (en)
GB (1) GB1083788A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122433A (en) * 1982-04-22 1984-01-11 Lodge Cottrell Ltd Improvements in and relating to electrostatic precipitators

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* Cited by examiner, † Cited by third party
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US3984215A (en) * 1975-01-08 1976-10-05 Hudson Pulp & Paper Corporation Electrostatic precipitator and method
GB1563714A (en) * 1975-09-02 1980-03-26 High Voltage Engineering Corp Electrostatic precipitation systems
US4187527A (en) * 1976-08-09 1980-02-05 Ransburg Corporation Electrostatic coating system
US4075677A (en) * 1976-08-09 1978-02-21 Ransburg Corporation Electrostatic coating system
DE3027172A1 (en) * 1980-07-17 1982-02-18 Siemens AG, 1000 Berlin und 8000 München METHOD FOR OPERATING AN ELECTROFILTER
EP0055525B1 (en) * 1980-12-17 1984-08-15 F.L. Smidth & Co. A/S Method of controlling operation of an electrostatic precipitator
US4472174A (en) * 1983-04-25 1984-09-18 Raymond L. Chuan Method and apparatus for providing and using RF generated plasma for particle charging in electrostatic precipitation
JPH07232102A (en) * 1993-12-28 1995-09-05 Mitsubishi Heavy Ind Ltd Electrostatic precipitator
US5542967A (en) * 1994-10-06 1996-08-06 Ponizovsky; Lazar Z. High voltage electrical apparatus for removing ecologically noxious substances from gases
US6504308B1 (en) * 1998-10-16 2003-01-07 Kronos Air Technologies, Inc. Electrostatic fluid accelerator
US6919698B2 (en) * 2003-01-28 2005-07-19 Kronos Advanced Technologies, Inc. Electrostatic fluid accelerator for and method of controlling 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
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
US6937455B2 (en) * 2002-07-03 2005-08-30 Kronos Advanced Technologies, Inc. Spark management method and 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
US7081152B2 (en) * 2004-02-18 2006-07-25 Electric Power Research Institute Incorporated ESP performance optimization control
US20060005703A1 (en) * 2004-06-30 2006-01-12 Chi-Hsiang Wang Ultraviolet air purifier having multiple charged collection plates
PT1652586E (en) * 2004-10-26 2011-09-12 Smidth As F L Pulse generating system for electrostatic precipitator
US7410532B2 (en) * 2005-04-04 2008-08-12 Krichtafovitch Igor A Method of controlling a fluid flow
PL3085448T3 (en) * 2014-01-29 2018-09-28 Mitsubishi Hitachi Power Systems Environmental Solutions, Ltd. Electrostatic precipitator, charge control program for electrostatic precipitator, and charge control method for electrostatic precipitator
EP3095520A1 (en) * 2015-05-20 2016-11-23 General Electric Technology GmbH Method for monitoring the signal quality of an electrostatic precipitator and electrostatic precipitator

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1934923A (en) * 1929-08-03 1933-11-14 Int Precipitation Co Method and apparatus for electrical precipitation
US1865907A (en) * 1930-02-10 1932-07-05 Westinghouse Electric & Mfg Co Gas purification
US2000019A (en) * 1930-12-16 1935-05-07 Int Precipitation Co Art of electrical precipitation
US1978426A (en) * 1931-08-08 1934-10-30 Int Precipitation Co Apparatus for electrical treatment of fluids
US1959374A (en) * 1932-10-01 1934-05-22 Int Precipitation Co Method and apparatus for electrical precipitation
US2509548A (en) * 1948-05-27 1950-05-30 Research Corp Energizing electrical precipitator
US2623608A (en) * 1950-06-19 1952-12-30 Research Corp System for energizing electrical precipitators
US2672208A (en) * 1951-04-03 1954-03-16 Research Corp Electrical precipitation
US2642149A (en) * 1951-07-30 1953-06-16 Research Corp System for energizing electrical precipitators and the like
US2666496A (en) * 1951-09-06 1954-01-19 Research Corp System for energizing electrical precipitators and the like
US2675092A (en) * 1952-05-15 1954-04-13 Research Corp System for energizing electrical precipitators
US2767804A (en) * 1953-03-23 1956-10-23 Western Precipitation Corp Meter protection and signal circuit for electric precipitators
US2925142A (en) * 1953-12-07 1960-02-16 Koppers Co Inc Electrical precipitator
US2935155A (en) * 1954-07-09 1960-05-03 Joy Mfg Co Apparatus for controlling electrical precipitators
US2841239A (en) * 1955-02-16 1958-07-01 Research Corp System for energizing electrical precipitators
US3039252A (en) * 1956-01-12 1962-06-19 Research Corp Electrical precipitator power system
US3039253A (en) * 1956-05-02 1962-06-19 Research Corp Electrical precipitator power system
US2978065A (en) * 1957-07-03 1961-04-04 Svenska Flaektfabriken Ab Regulating electric precipitators
US2992699A (en) * 1958-04-03 1961-07-18 Gen Electric Control system for electrostatic precipitator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122433A (en) * 1982-04-22 1984-01-11 Lodge Cottrell Ltd Improvements in and relating to electrostatic precipitators
US4558404A (en) * 1982-04-22 1985-12-10 Dresser Industries, Inc. Electrostatic precipitators

Also Published As

Publication number Publication date
US3443358A (en) 1969-05-13
CH448974A (en) 1967-12-31
DE1557099A1 (en) 1970-03-12

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