METHOD OF OPERATING INDIRECTLY PRESSURIZED VAPOR RECOMPRESSION HEAT-PUMP TYPE PROCESSING DEVICE

To develope a method of operating a novel indirectly pressurized vapor recompression heat-pump type processing device equipped with a pair of compressors connected in two stages, capable of remarkably enhancing the efficiency of the whole device by maintaining a heat exchanger recovering heat from c...

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Hauptverfasser: YAMAMOTO TAKEMI, YAMAZAKI HIDEO, YAGI TSUBASA
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To develope a method of operating a novel indirectly pressurized vapor recompression heat-pump type processing device equipped with a pair of compressors connected in two stages, capable of remarkably enhancing the efficiency of the whole device by maintaining a heat exchanger recovering heat from carrier gas discharged from a dryer with the drain of the heat medium, in a good heat exchanging condition.SOLUTION: The method of operating a novel indirectly pressurized vapor recompression heat-pump type processing device that controls the rotation rate of a first stage compressor 5A to control the amount of a vaporized heat medium in a heat exchanger 45 so that the primary pressure of the first stage compressor 5A reaches a predetermined value, is characterized by performing fuzzy inference with the antecedents being [the ratio of regenerated steam], [the speed of the second stage compressor], [the speed of the first stage compressor], and [the suction pressure of the first stage compressor], and the consequent being [the operation amount of the set value of the suction pressure of the first stage compressor].SELECTED DRAWING: Figure 1 【課題】 圧縮機を二段構成として具えた間接加圧式蒸気再圧縮型ヒートポンプ式処理装置において、乾燥機から排出されたキャリアガスからドレン状態の熱媒体への熱回収を行う熱交換器における熱交換の状態を良好なものにすることにより、装置全体の効率を著しく向上することのできる、新規な間接加圧式蒸気再圧縮型ヒートポンプ式処理装置の運転方法の開発を技術課題とした。【解決手段】 一段目の圧縮機5Aの一次側の圧力が所定の値となるよう、一段目の圧縮機機5Aの回転数を制御して、熱交換器45における熱媒体の蒸発量を制御するものであり、条件部を「再生蒸気割合」と、「二段目圧縮機速度」と、「一段目圧縮機速度」と、「一段目圧縮機吸込圧」とし、結論部を「一段目圧縮機の吸込圧設定値操作量」とするファジィ推論を行うことを特徴として成る。【選択図】図1