COMPRESSOR UNIT AND CONTROL METHOD FOR COMPRESSOR UNIT
To suppress rising of a pressure in a storage tank side passage when low temperature gas flows from a storage tank to a compressor unit.SOLUTION: A compressor unit 100 includes: reciprocating compression stages 201 to 206 for sequentially raising a pressure of subject gas from a tank 101; a bypass p...
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Format | Patent |
Language | English Japanese |
Published |
16.02.2023
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Abstract | To suppress rising of a pressure in a storage tank side passage when low temperature gas flows from a storage tank to a compressor unit.SOLUTION: A compressor unit 100 includes: reciprocating compression stages 201 to 206 for sequentially raising a pressure of subject gas from a tank 101; a bypass passage 301 for bypassing at least a first compression stage 201; a bypass valve 311 provided in the bypass passage 301; an upstream pressure sensor 401 and a temperature sensor 403 provided in a storage tank connection passage 111; a downstream pressure sensor 402 provided in a passage to which an entrance side end unit 322 of the bypass passage 301 is connected; an opening adjustment unit 441 for controlling opening of the bypass valve 311 so that a detection pressure P2 of the downstream pressure sensor 402 is brought near a set pressure PS1; and a set pressure changing unit 431 for raising the set pressure PS1 when a detected temperature T1 of the temperature sensor 403 is lowered.SELECTED DRAWING: Figure 1
【課題】貯槽から圧縮機ユニットに低温のガスが流入した場合に、貯槽側流路における圧力の上昇を抑制する。【解決手段】圧縮機ユニット100は、貯槽101からの対象ガスを順次昇圧する往復動式の圧縮ステージ201~206と、少なくとも最初の圧縮ステージ201をバイパスするバイパス流路301と、バイパス流路301に設けられたバイパス弁311と、貯槽接続流路111に設けられた上流圧力センサ401及び温度センサ403と、バイパス流路301の入口側端部322が接続される流路に設けられた下流圧力センサ402と、下流圧力センサ402の検出圧力P2を設定圧力PS1に近づくようにバイパス弁311の開度を制御する開度調整部441と、温度センサ403の検出温度T1が低下すると設定圧力PS1を高くする設定圧変更部431と、を備えた圧縮機ユニット。【選択図】図1 |
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AbstractList | To suppress rising of a pressure in a storage tank side passage when low temperature gas flows from a storage tank to a compressor unit.SOLUTION: A compressor unit 100 includes: reciprocating compression stages 201 to 206 for sequentially raising a pressure of subject gas from a tank 101; a bypass passage 301 for bypassing at least a first compression stage 201; a bypass valve 311 provided in the bypass passage 301; an upstream pressure sensor 401 and a temperature sensor 403 provided in a storage tank connection passage 111; a downstream pressure sensor 402 provided in a passage to which an entrance side end unit 322 of the bypass passage 301 is connected; an opening adjustment unit 441 for controlling opening of the bypass valve 311 so that a detection pressure P2 of the downstream pressure sensor 402 is brought near a set pressure PS1; and a set pressure changing unit 431 for raising the set pressure PS1 when a detected temperature T1 of the temperature sensor 403 is lowered.SELECTED DRAWING: Figure 1
【課題】貯槽から圧縮機ユニットに低温のガスが流入した場合に、貯槽側流路における圧力の上昇を抑制する。【解決手段】圧縮機ユニット100は、貯槽101からの対象ガスを順次昇圧する往復動式の圧縮ステージ201~206と、少なくとも最初の圧縮ステージ201をバイパスするバイパス流路301と、バイパス流路301に設けられたバイパス弁311と、貯槽接続流路111に設けられた上流圧力センサ401及び温度センサ403と、バイパス流路301の入口側端部322が接続される流路に設けられた下流圧力センサ402と、下流圧力センサ402の検出圧力P2を設定圧力PS1に近づくようにバイパス弁311の開度を制御する開度調整部441と、温度センサ403の検出温度T1が低下すると設定圧力PS1を高くする設定圧変更部431と、を備えた圧縮機ユニット。【選択図】図1 |
Author | TEZUKA SATOSHI SEYAMA KATSUHIRO |
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DocumentTitleAlternate | 圧縮機ユニット及び圧縮機ユニットの制御方法 |
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RelatedCompanies | KOBE STEEL LTD |
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Snippet | To suppress rising of a pressure in a storage tank side passage when low temperature gas flows from a storage tank to a compressor unit.SOLUTION: A compressor... |
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SubjectTerms | BLASTING EQUIPMENT FOR SHIPPING FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEATING LIGHTING MARINE PROPULSION OR STEERING MECHANICAL ENGINEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS STORING OF DISTRIBUTING GASES OR LIQUIDS TRANSPORTING VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS |
Title | COMPRESSOR UNIT AND CONTROL METHOD FOR COMPRESSOR UNIT |
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