JP2015188860A5 - Dry type dehumidifier and its operating method - Google Patents

Dry type dehumidifier and its operating method Download PDF

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JP2015188860A5
JP2015188860A5 JP2014069637A JP2014069637A JP2015188860A5 JP 2015188860 A5 JP2015188860 A5 JP 2015188860A5 JP 2014069637 A JP2014069637 A JP 2014069637A JP 2014069637 A JP2014069637 A JP 2014069637A JP 2015188860 A5 JP2015188860 A5 JP 2015188860A5
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dew point
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本発明は、吸着ロータを有する乾式減湿装置およびその運転方法に関する。 The present invention relates to a dry dehumidifier having an adsorption rotor and an operation method thereof .

本発明によれば、回転自在な吸着ロータ内に処理空気を通過させて当該処理空気を減湿処理する装置であって、前記吸着ロータの端面側に位置する空気の通過域が、減湿区域と再生区域とパージ区域とに仕切られて、吸着ロータの回転によって再生区域から減湿区域に移行する前にパージ区域が位置するようにこれら各区域が配置され、減湿区域の入り口側には処理空気を冷却する冷却コイルを備え、減湿区域の出口側には処理空気を加熱する加熱器を備えた乾式減湿装置において、減湿区域に入る処理空気の露点温度である減湿入口露点温度を測定もしくは推定し、当該測定もしくは推定された減湿入口露点温度に基づいて、冷却コイルによる処理空気の冷却と加熱器による処理空気の加熱を制御する制御装置を有することを特徴とする、乾式減湿装置が提供される。
また本発明によれば、回転自在な吸着ロータ内に処理空気を通過させて当該処理空気を減湿処理する装置であって、前記吸着ロータの端面側に位置する空気の通過域が、減湿区域と再生区域とパージ区域とに仕切られて、吸着ロータの回転によって再生区域から減湿区域に移行する前にパージ区域が位置するようにこれら各区域が配置され、減湿区域の入り口側には処理空気を冷却する冷却コイルを備え、減湿区域の出口側には処理空気を加熱する加熱器を備えた乾式減湿装置において、減湿区域に入る処理空気の露点温度である減湿入口露点温度を測定もしくは推定し、当該測定もしくは推定された減湿入口露点温度に基づいて、冷却コイルによる処理空気の冷却と加熱器による処理空気の加熱を制御することを特徴とする、乾式減湿装置の運転方法が提供される。 According to the present invention, an apparatus for dehumidifying a processing air by passing the processing air through a rotatable adsorption rotor, wherein the air passing area located on the end face side of the adsorption rotor has a dehumidification area. These areas are arranged so that the purge area is located before moving from the regeneration area to the dehumidification area by the rotation of the adsorption rotor. Dehumidification inlet dew point, which is the dew point temperature of the processing air entering the dehumidification zone, in a dry dehumidification device having a cooling coil for cooling the processing air and a heater for heating the processing air on the outlet side of the dehumidification zone It has a control device that measures or estimates the temperature, and controls cooling of the processing air by the cooling coil and heating of the processing air by the heater based on the measured or estimated dehumidification inlet dew point temperature, Humidity decreased expression device is provided.
According to the invention, it is passed through the process air to the rotatable the adsorption rotor a the process air dehumidifying processing apparatus, passband of the air located at the end surface side of the adsorption rotor, dehumidification Each of these areas is arranged so that the purge area is located before the transition from the regeneration area to the dehumidification area by the rotation of the adsorption rotor. Is a dehumidifying inlet which is a dew point temperature of the processing air entering the dehumidifying area in a dry dehumidifying apparatus having a cooling coil for cooling the processing air and a heater for heating the processing air on the outlet side of the dehumidifying area Dry dehumidification characterized by measuring or estimating the dew point temperature and controlling the cooling of the processing air by the cooling coil and the heating of the processing air by the heater based on the measured or estimated dehumidifying inlet dew point temperature apparatus Operation method is provided.

Claims (8)

回転自在な吸着ロータ内に処理空気を通過させて当該処理空気を減湿処理する装置であって、前記吸着ロータの端面側に位置する空気の通過域が、減湿区域と再生区域とパージ区域とに仕切られて、吸着ロータの回転によって再生区域から減湿区域に移行する前にパージ区域が位置するようにこれら各区域が配置され、減湿区域の入り口側には処理空気を冷却する冷却コイルを備え、減湿区域の出口側には処理空気を加熱する加熱器を備えた乾式減湿装置において、減湿区域に入る処理空気の露点温度である減湿入口露点温度を測定もしくは推定し、当該測定もしくは推定された減湿入口露点温度に基づいて、冷却コイルによる処理空気の冷却と加熱器による処理空気の加熱を制御する制御装置を有することを特徴とする、乾式減湿装置。  An apparatus for dehumidifying the processing air by passing the processing air through a rotatable adsorption rotor, wherein the air passing area located on the end face side of the adsorption rotor includes a dehumidification area, a regeneration area, and a purge area. These areas are arranged so that the purge area is located before the transition from the regeneration area to the dehumidifying area by the rotation of the adsorption rotor. In a dry dehumidifier equipped with a coil and equipped with a heater for heating the process air on the outlet side of the dehumidification zone, measure or estimate the dehumidification inlet dew point temperature, which is the dew point temperature of the process air entering the dehumidification zone. A dry dehumidifier comprising a control device for controlling cooling of the processing air by the cooling coil and heating of the processing air by the heater based on the measured or estimated dehumidification inlet dew point temperature. 前記制御装置は、減湿入口露点温度から減湿入口温度の設定値の上昇の可否または上昇し得る程度を判断し、その設定値を上げられると判断した場合は、当該設定値を上げ、加熱器の冷却コイルによる冷却エネルギーを減らし、加熱器による加熱エネルギーを減らすように制御することを特徴とする、請求項１に記載の乾式減湿装置。  The controller determines whether or not the dehumidifying inlet dew point temperature can be increased or can be increased from the dehumidifying inlet dew point temperature. The dry dehumidifier according to claim 1, wherein control is performed to reduce cooling energy by a cooling coil of the heater and to reduce heating energy by the heater. 減湿処理されて低露点空間に供給する低露点空気の温度が所定の温度未満の場合は、冷却コイルによる処理空気の冷却と加熱器による処理空気の加熱の両者に係る制御を中止して、吸着ロータの回転数を制御する状態に切り替わることを特徴とする、請求項１または２に記載の乾式減湿装置。  If the temperature of the low dew point air that has been dehumidified and supplied to the low dew point space is less than the predetermined temperature, stop control of both the cooling of the processing air by the cooling coil and the heating of the processing air by the heater, The dry-type dehumidifier according to claim 1 or 2, wherein the dry-type dehumidifier is switched to a state in which the number of rotations of the adsorption rotor is controlled. 低露点空気の温度が所定の温度以上となった場合は、冷却コイルによる処理空気の冷却と加熱器による処理空気の加熱を制御することに加えて、パージ区域において吸着ロータの再生が終了するように再生風量の制御が行われることを特徴とする、請求項１〜３のいずれかに記載の乾式減湿装置。  When the temperature of the low dew point air exceeds a predetermined temperature, in addition to controlling the cooling of the processing air by the cooling coil and the heating of the processing air by the heater, the regeneration of the adsorption rotor is completed in the purge area. The dry air dehumidifier according to any one of claims 1 to 3, wherein the regenerative air volume is controlled. 回転自在な吸着ロータ内に処理空気を通過させて当該処理空気を減湿処理する装置であって、前記吸着ロータの端面側に位置する空気の通過域が、減湿区域と再生区域とパージ区域とに仕切られて、吸着ロータの回転によって再生区域から減湿区域に移行する前にパージ区域が位置するようにこれら各区域が配置され、減湿区域の入り口側には処理空気を冷却する冷却コイルを備え、減湿区域の出口側には処理空気を加熱する加熱器を備えた乾式減湿装置において、減湿区域に入る処理空気の露点温度である減湿入口露点温度を測定もしくは推定し、当該測定もしくは推定された減湿入口露点温度に基づいて、冷却コイルによる処理空気の冷却と加熱器による処理空気の加熱を制御することを特徴とする、乾式減湿装置の運転方法。  An apparatus for dehumidifying the processing air by passing the processing air through a rotatable adsorption rotor, wherein the air passing area located on the end face side of the adsorption rotor includes a dehumidification area, a regeneration area, and a purge area. These areas are arranged so that the purge area is located before the transition from the regeneration area to the dehumidifying area by the rotation of the adsorption rotor. In a dry dehumidifier equipped with a coil and equipped with a heater for heating the process air on the outlet side of the dehumidification zone, measure or estimate the dehumidification inlet dew point temperature, which is the dew point temperature of the process air entering the dehumidification zone. A method of operating a dry dehumidifier, comprising controlling the cooling of the processing air by the cooling coil and the heating of the processing air by the heater based on the measured or estimated dehumidifying inlet dew point temperature. 減湿入口露点温度から減湿入口温度の設定値の上昇の可否または上昇し得る程度を判断し、その設定値を上げられると判断した場合は、当該設定値を上げ、加熱器の冷却コイルによる冷却エネルギーを減らし、加熱器による加熱エネルギーを減らすように制御することを特徴とする、請求項５に記載の乾式減湿装置の運転方法。  If the dehumidifying inlet dew point temperature determines whether the set value of the dehumidifying inlet temperature can be increased or can be increased, and if it is determined that the set value can be increased, increase the set value and use the cooling coil of the heater. 6. The method of operating a dry dehumidifier according to claim 5, wherein the cooling energy is reduced and the heating energy by the heater is controlled to be reduced. 減湿処理されて低露点空間に供給する低露点空気の温度が所定の温度未満の場合は、冷却コイルによる処理空気の冷却と加熱器による処理空気の加熱の両者に係る制御を中止して、吸着ロータの回転数を制御する状態に切り替わることを特徴とする、請求項５または６に記載の乾式減湿装置の運転方法。  If the temperature of the low dew point air that has been dehumidified and supplied to the low dew point space is less than the predetermined temperature, stop control of both the cooling of the processing air by the cooling coil and the heating of the processing air by the heater, The operation method of the dry-type dehumidifier according to claim 5 or 6, wherein the operation mode is switched to a state in which the rotation speed of the adsorption rotor is controlled. 低露点空気の温度が所定の温度以上となった場合は、冷却コイルによる処理空気の冷却と加熱器による処理空気の加熱を制御することに加えて、パージ区域において吸着ロータの再生が終了するように再生風量の制御が行われることを特徴とする、請求項５〜７のいずれかに記載の乾式減湿装置の運転方法。  When the temperature of the low dew point air exceeds a predetermined temperature, in addition to controlling the cooling of the processing air by the cooling coil and the heating of the processing air by the heater, the regeneration of the adsorption rotor is completed in the purge area. The method of operating a dry dehumidifier according to any one of claims 5 to 7, wherein the regenerative air volume is controlled.
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