KR100784029B1 - 산소제조설비에 있어서의 액체공기 레벨 제어장치 - Google Patents
산소제조설비에 있어서의 액체공기 레벨 제어장치 Download PDFInfo
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- KR100784029B1 KR100784029B1 KR1020010085274A KR20010085274A KR100784029B1 KR 100784029 B1 KR100784029 B1 KR 100784029B1 KR 1020010085274 A KR1020010085274 A KR 1020010085274A KR 20010085274 A KR20010085274 A KR 20010085274A KR 100784029 B1 KR100784029 B1 KR 100784029B1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04854—Safety aspects of operation
- F25J3/0486—Safety aspects of operation of vaporisers for oxygen enriched liquids, e.g. purging of liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/20—Processes or apparatus using other separation and/or other processing means using solidification of components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/52—Separating high boiling, i.e. less volatile components from oxygen, e.g. Kr, Xe, Hydrocarbons, Nitrous oxides, O3
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2280/00—Control of the process or apparatus
- F25J2280/02—Control in general, load changes, different modes ("runs"), measurements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
Claims (4)
- 공기분리장치내에서 미분리된 이산화탄소(CO2) 및 탄화수소 성분이 상기 공기분리장치의 하부에서 액체공기의 레벨을 감지하는 레벨발신기의 고압측 라인에 적치되는 것을 방지하기 위한 산소제조설비에 있어서의 액체공기 레벨 제어장치에 있어서,상기 레벨발신기의 저압, 고압측 라인에 연결되어 차압의 변동에 따른 이상유무를 판정하는 차압검출부;상기 고압측 라인에 연결설치되어 상기 공기분리장치내의 고체상태의 이산화탄소(CO2) 및 탄화수소 성분을 녹이는 가온장치부;상기 차압검출부와 연결되어 상기 고압측 라인의 막힘 신호에 따라 배출밸브가 열려서 상기 가온장치부에 의해 녹은 이산화탄소(CO2) 및 탄화수소 성분을 배출하는 배출부;를 포함하여 구성된 것을 특징으로 하는 산소제조설비에 있어서의 액체공기 레벨 제어장치.
- 제 1항에 있어서,상기 차압검출부는 상기 레벨발신기에 저압, 고압측 라인을 통해 연결된 차압발신기와, 상기 차압발생기에 연결된 제어부를 포함하여 구성되고,상기 제어부는 아날로그 입력부와; 편차감지부와 변화율감지부로 구성되고 상기 아날로그 입력부의 출력값이 전송되는 알람제어부와; 상기 알람제어부의 편차감지부에서 나오는 출력이 전송되는 시퀸스 제어부와;, 상기 시퀸스 제어부의 시퀀스 로직에 따른 출력신호가 전송되는 디지털 출력부; 를 포함하는 것을 특징으로 하는 산소제조설비에 있어서의 액체공기 레벨 제어장치.
- 제 1항에 있어서,상기 가온장치부는 상기 고압측 라인의 일측에 연결된 가온 입구라인과, 상기 가온 입구라인을 통해 상온의 질소 가스가 공급되는 가온장치와, 상기 고압측 라인의 타측에 연결된 출구라인과, 상기 출구 라인에 연결된 출구밸브와, 상기 고압측 라인의 외주면상에 다수개 장착된 방열판을 포함하는 것을 특징으로 하는 산소제조설비에 있어서의 액체공기 레벨 제어장치.
- 제 1항 또는 제 3항에 있어서,상기 배출부는 상기 고압측 라인의 막힘 신호에 따라 오픈되는 배출밸브와, 상기 가온장치에 의해 녹은 이산화탄소 및 탄화수소 성분이 모이는 배출부와, 상기 배출부에 연결된 출구라인과, 상기 고압측 라인을 차단하는 차단밸브를 포함하는 것을 특징으로 하는 산소제조설비에 있어서의 액체공기 레벨 제어장치.
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KR1020010085274A KR100784029B1 (ko) | 2001-12-26 | 2001-12-26 | 산소제조설비에 있어서의 액체공기 레벨 제어장치 |
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KR20030054843A KR20030054843A (ko) | 2003-07-02 |
KR100784029B1 true KR100784029B1 (ko) | 2007-12-07 |
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KR101041053B1 (ko) * | 2004-07-21 | 2011-06-13 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193382A (en) * | 1990-07-30 | 1993-03-16 | Commissariat A L'energie Atomique | Clogging indicator for controlling sodium quality |
JPH06109360A (ja) * | 1992-09-22 | 1994-04-19 | Teisan Kk | 超高純度窒素製造方法及びその装置 |
JPH08296961A (ja) * | 1995-04-25 | 1996-11-12 | Daido Hoxan Inc | 空気分離方法およびそれに用いる装置 |
KR19980062725U (ko) * | 1997-04-07 | 1998-11-16 | 김종진 | 차압식 레벨검출단 막힘검지 및 제거장치 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193382A (en) * | 1990-07-30 | 1993-03-16 | Commissariat A L'energie Atomique | Clogging indicator for controlling sodium quality |
JPH06109360A (ja) * | 1992-09-22 | 1994-04-19 | Teisan Kk | 超高純度窒素製造方法及びその装置 |
JPH08296961A (ja) * | 1995-04-25 | 1996-11-12 | Daido Hoxan Inc | 空気分離方法およびそれに用いる装置 |
KR19980062725U (ko) * | 1997-04-07 | 1998-11-16 | 김종진 | 차압식 레벨검출단 막힘검지 및 제거장치 |
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