KR920702254A - 폐가스의 청정방법 및 그 장치 - Google Patents

폐가스의 청정방법 및 그 장치

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KR920702254A
KR920702254A KR1019920701020A KR920701020A KR920702254A KR 920702254 A KR920702254 A KR 920702254A KR 1019920701020 A KR1019920701020 A KR 1019920701020A KR 920701020 A KR920701020 A KR 920701020A KR 920702254 A KR920702254 A KR 920702254A
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gas stream
electrostatic
dust
agglomeration
agglomerators
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겔러트 베른트
허쓰 미카엘
리찌우스 올리버
쉬미들레 칼하인즈
플레크 에드문트
요다이트 하랄드
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한스 욧 헤쩨르, 게르트 뤼크
아세아 브라운 보베리 리미티드
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Publication of KR920702254A publication Critical patent/KR920702254A/ko

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/019Post-treatment of gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017Combinations of electrostatic separation with other processes, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017Combinations of electrostatic separation with other processes, not otherwise provided for
    • B03C3/0175Amassing particles by electric fields, e.g. agglomeration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/04Plant or installations having external electricity supply dry type
    • B03C3/06Plant or installations having external electricity supply dry type characterised by presence of stationary tube electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/04Plant or installations having external electricity supply dry type
    • B03C3/08Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • B03C3/41Ionising-electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • B03C3/45Collecting-electrodes
    • B03C3/49Collecting-electrodes tubular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/74Cleaning the electrodes
    • B03C3/76Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/88Cleaning-out collected particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00Details of magnetic or electrostatic separation
    • B03C2201/08Ionising electrode being a rod
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/001Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with means for electrostatic separation

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrostatic Separation (AREA)
  • Cyclones (AREA)

Abstract

내용 없음

Description

폐가스의 청정방법 및 그 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는, 플레이트로 격리된 다수의 집실 및 그 하류측에 연속적으로 연결된 2개의 사이클론을 구비한 청정장치, 제2도는, 제1도에 도시한 청정장치 이지만, 진동자를 구비한 다수의 응집튜브로 구성된 장치로서 제1사이클론이 전자 사이클론임, 제3도는, 대기압하에서 응집기를 통과한 입자크기 분포의 변화를 예시한 도표.

Claims (12)

  1. 분자입자를 상호 부착시킬 수 있는 정전 응집기(4,17,23)의 다수의 응집실(5)을 통하여 청정하게 할 함분진 가스류(1)를 평행하게 도입하며, 상기 함분진 가스류(1)는 상기 적어도 하나의 응집기(4,17,23)를 통하여 3m/s~50m/s의 범위의 속도로 이동되는 것을 특징으로 하는 가스류의 청정방법.
  2. 제1항에 있어서, 상기 함분진 가스류(1)는 250℃~1400℃의 온도범위의 고온가스류이며, 특히500℃~1200℃의 온도범위인 것을 특징으로 하는 방법.
  3. 제1항 또는 2항에 있어서, 상기 함분진 가스류(1)는 5바아~100바아의 압력범위를 가지는 고온 가스류이며, 특히 5바아~20바아의 압력 범위인 것을 특징으로 하는 방법.
  4. 제1항~제3항중 어느 한 항에 있어서, 상기 분진 입자를 정전 응집한 후에, 상기 함분진 가스류(1)는 80°~180°미만, 특히 140°~170°의 편향각도(α)로 편향되며, 관성에 의해서 편향되지 않는 상기 가스류 (1)내의 응짐체(30)는 응집기(17,23)로 부터 연속적으로 분리되며, 또한 편향된 상기 가스류(1)는 계속해서 정전 필터링되는 것을 특징으로 하는 방법.
  5. 제1항~제4항중 어느 한 항에 있어서, 상기 정전 응집기(4,17,23)내에서의 응집전 및/또는 응집후에, 청정하게 될 상기 가스류(1)는, 분진(13,14)을 분리하기 위하여 적어도 제1사이클론을 통해 이동되는 것을 특징으로 하는 방법.
  6. 제1항~제5항중 어느 한 항에 있어서, 상기 정전 응집기(4,17,23)내에서의 응집전 및/또는 응집후에, 청정하게 될 상기 가스류(1)는, 화학처리(31,32)또는 청정화(28)를 행하는 것을 특징으로 하는 방법.
  7. 적어도 2개의 응집실(5)을 가지며, 상기 각 응집실은 하나의 응집 전극(3)을 구비한 적어도 하나의 응집기(4,17,23)를 갖추며, 상기 응집실(5)의 길이는 2.50m~28m의 범위에 있는, 가스류(1)의 청정장치(4,8,9).
  8. 제7항에 있어서, 상기 적어도 하나의 응집전극(3)의 표면적과 상기 응집전극을 둘러싸는 제2전극(5)의 표면적과는 비는 1:400~2:1, 특히 1:20~1:1임을 특징으로 하는 가스류 청정장치.
  9. 제7항 또는 8항에 있어서, 적어도 하나의 사이클로(8,9)이 상기 응집기(4,17,23)의 상류측 및/또는 하류측에 연결되어 있으며, 특히 하류측의 제1사이클론(8)은 적어도 하나의 사이클론 전극(11)을 가지는 것을 특징으로 하는 가스류 청정장치.
  10. 제7항~제9항중 어느 한 항에 있어서, 상기 적어도 하나의 응집기는, 상기 함분진 가스류(1)의 분진 입자를 정전 응집하기 위한 사실상의 수직 선형부, 상기 수직 선형부에 연결된 사실상의 선형 분리기 또는 충격 캣취폿(18,25), 특히 상기 충격 캣취폿(18,25)는 분리된 응집체(30)를 연속적으로 이동시키기 위한 장치를 가지며, 또한 응집부와 충격 캣취폿(18,25)과의 사이의 영역에는 가스류(1)를 편향시키기 위하여 상기 응집부의 방향에 대하여 80°~180°미만의 편향각도(α)를 형성하는 적어도 하나의 편향출구(20,26)를 구비한 정전필터(17,23)를 가지는 것을 특징으로 하는 가스류 청정 장치.
  11. 제7항~제10항중 어느 한 항에 있어서, 상기 적어도 하나의 출구(20,26)는, 고상 및/또는 액상 입자를 분리하기 위한 정전필터 장치(21)를 구비한 적어도 하나의 응집기(4,17,23)에 연결되어 있으며, 특히, 상기 필터장치는 벨트필터(21)인 것을 특징으로 하는 가스류 청정 장치.
  12. 제7항~제11항중 어느 한 항에 있어서, 가스형태의 유해물질 및 화합물을 분리 및/또는 변환시키기 위한 화학제 분사장치(31,32)및/또는 화학 필터(28)가, 상기 응집기(4,17,23)의 전방 및/또는 내부 및/또는 후방에 구비되며, 특히 상기 화학 필터는 입상 베드 필터(28)인 것을 특징으로 하는 가스류 청정 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920701020A 1990-08-30 1991-08-08 폐가스의 청정방법 및 그 장치 KR920702254A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2819/9004 1990-08-30
CH2819/90A CH683321A5 (de) 1990-08-30 1990-08-30 Verfahren zum Entfernen von Staub aus einem Gasstrom und Entstaubungsanlage.
PCT/CH1991/000161 WO1992004122A1 (de) 1990-08-30 1991-08-08 Verfahren und vorrichtung zum reinigen von abgasen

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EP (1) EP0498862A1 (ko)
JP (1) JPH05501678A (ko)
KR (1) KR920702254A (ko)
AU (1) AU8288491A (ko)
CA (1) CA2067388A1 (ko)
CH (1) CH683321A5 (ko)
DE (1) DE4104923A1 (ko)
WO (1) WO1992004122A1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4342965A1 (de) * 1993-12-16 1995-06-22 Abb Research Ltd Einrichtung zur Entfernung von Staubpartikeln aus Abgasen
JP2003513782A (ja) * 1999-11-11 2003-04-15 インディゴ テクノロジーズ グループ プロプライアタリー リミテッド 粒子凝集の方法および装置
KR100565341B1 (ko) * 2003-06-20 2006-03-30 엘지전자 주식회사 사이클론 청소기의 먼지 분리 장치
DE10346692A1 (de) * 2003-10-08 2005-06-23 Volkswagen Ag Tropfenabscheider
KR20060026574A (ko) * 2004-09-21 2006-03-24 삼성광주전자 주식회사 사이클론 집진장치
US10537900B2 (en) 2015-05-01 2020-01-21 Tech Macvert Inc. Electrocyclonic particle collector
DE202015106928U1 (de) 2015-12-18 2016-01-15 Guntamatic Heiztechnik Gmbh Vorrichtung zur Reinigung von Rauchgasen
CN113366198B (zh) * 2018-10-22 2023-08-15 上海必修福企业管理有限公司 一种发动机排放处理系统和方法
CN111715010A (zh) * 2019-03-21 2020-09-29 北京康孚科技股份有限公司 轴流旋风凝并式空气过滤方法和装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1853393A (en) * 1926-04-09 1932-04-12 Int Precipitation Co Art of separation of suspended material from gases
DE550699C (de) * 1930-11-29 1932-09-15 Siemens Schuckertwerke Akt Ges Hochspannungsdurchfuehrung, insbesondere fuer Hochdruckelektrofilter
DE724756C (de) * 1939-09-20 1942-09-04 Patentverwertung Fliehkraftelektrofilter
GB613669A (en) * 1946-06-25 1948-12-01 Sturtevant Eng Co Ltd Improvements in electrostatic precipitation apparatus
DE844593C (de) * 1948-12-03 1952-07-21 Metallgesellschaft Ag Verfahren und Einrichtung zur Ausflockung von Russ und gewichts-maessig aehnlichen, leitenden Schwebeteilchen aus einem Traegergas durch Elektrofilter mit nachgeschaltetem Absetzraum
US2705544A (en) * 1953-03-16 1955-04-05 Research Corp Electrical precipitator
DE1127876B (de) * 1957-11-29 1962-04-19 Degussa Verfahren und Vorrichtung zum Abscheiden von in gasfoermigen Medien dispergierten elektrisch leitenden Feststoffen
BE790914A (fr) * 1971-11-05 1973-03-01 Nippon Kogei Kogyo Co Procede et appareil pour recueillir les poussieres par la voie electrostatique
GB2055628A (en) * 1979-08-04 1981-03-11 Rolls Royce Apparatus for removing impurities from gases
DE3141156A1 (de) * 1981-10-16 1983-04-28 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zum entfernen von festen bestandteilen und aerosolen, insbesondere von russbestandteilen aus dem abgas von brennkraftmaschinen
DE3238793C2 (de) * 1982-10-20 1986-09-04 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zum Reinigen von Gasen
DE3323926C2 (de) * 1983-07-02 1986-09-18 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zum Reinigen von Gasen
DE3500373A1 (de) * 1985-01-08 1986-07-10 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zum entfernen von festkoerperpartikeln, insbesondere von russteilchen aus dem abgas von brennkraftmaschinen

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EP0498862A1 (de) 1992-08-19
CA2067388A1 (en) 1992-03-01
DE4104923A1 (de) 1992-03-05
WO1992004122A1 (de) 1992-03-19
JPH05501678A (ja) 1993-04-02
CH683321A5 (de) 1994-02-28
AU8288491A (en) 1992-03-30

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