JP2850136B2 - Gas sorption machine - Google Patents
Gas sorption machineInfo
- Publication number
- JP2850136B2 JP2850136B2 JP1174383A JP17438389A JP2850136B2 JP 2850136 B2 JP2850136 B2 JP 2850136B2 JP 1174383 A JP1174383 A JP 1174383A JP 17438389 A JP17438389 A JP 17438389A JP 2850136 B2 JP2850136 B2 JP 2850136B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- rotor
- processing
- sorber
- small
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001179 sorption measurement Methods 0.000 title description 11
- 230000008929 regeneration Effects 0.000 claims description 13
- 238000011069 regeneration method Methods 0.000 claims description 13
- 239000003463 adsorbent Substances 0.000 claims description 4
- 239000002594 sorbent Substances 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 36
- 238000007791 dehumidification Methods 0.000 description 8
- 239000011261 inert gas Substances 0.000 description 7
- 230000003068 static effect Effects 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1004—Bearings or driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1032—Desiccant wheel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1068—Rotary wheel comprising one rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1084—Rotary wheel comprising two flow rotor segments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1096—Rotary wheel comprising sealing means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Gases By Adsorption (AREA)
- Gas Separation By Absorption (AREA)
- Drying Of Gases (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は多数の小透孔を有し湿気その他活性ガス（以
下ガスと呼ぶ）を可逆的に吸収または吸着（以下収着と
呼ぶ）するガス収着剤が小透孔壁面にあらわれたロータ
の該小透孔内に処理気体と再生用気体とを交互に通過せ
しめ、小透孔表面にあらわれているガス収着剤にガスを
収着させ、含有ガス濃度を低くした気体を連続的に得る
ガス収着機に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas storage system having a large number of small pores and capable of reversibly absorbing or adsorbing (hereinafter referred to as "sorption") moisture and other active gases (hereinafter referred to as "gas"). The processing gas and the regenerating gas are alternately passed through the small perforations of the rotor in which the binder has appeared on the small perforation wall surface, and the gas is adsorbed on the gas sorbent appearing on the small perforations surface, The present invention relates to a gas sorber for continuously obtaining a gas having a low gas concentration.
従来の技術 円筒体の一端面より他端面に亘って多数の小透孔を軸
方向に形成したガス収着性のあるハニカム状ロータを駆
動回転可能に軸支し、該ロータの両端面にセパレータを
設けてロータを収着ゾーンと再生ゾーンとに区分し、収
着ゾーンに収着除去すべき活性ガスを含有する不活性気
体たとえば水蒸気を含有する空気を通して該活性ガスた
とえば水蒸気を収着除去した不活性気体たとえば乾燥空
気を連続的に得ると同時に、活性ガスを収着したロータ
の部分は再生ゾーンにおいて高温の再生用不活性気体た
とえば空気を通して収着された活性ガスを脱着して再生
し、もつて連続的に活性ガスを除去された不活性気体を
供給するガス収着機は既に広く使用されている。2. Description of the Related Art A honeycomb-shaped rotor having a large number of small through holes formed axially from one end face to the other end face of a cylindrical body is rotatably supported on a rotatable rotatable honeycomb rotor having separators on both end faces of the rotor. The rotor is divided into a sorption zone and a regeneration zone, and the active gas such as water vapor is sorbed and removed through an inert gas containing an active gas to be sorbed and removed, such as steam, in the sorption zone. While continuously obtaining an inert gas such as dry air, the portion of the rotor that has sorbed the active gas regenerates and regenerates the sorbed active gas through a hot regeneration inert gas such as air in the regeneration zone; Gas sorbers that continuously supply an inert gas from which an active gas has been removed are already widely used.
発明が解決しようとする問題点 この種のガス収着機においてはロータの各小透孔を処
理空気その他不活性気体が通過する極めて短い時間内に
該不活性気体中に含まれる比較的少量の活性ガスを収着
するものであるが、この通過速度が小さい場合には処理
気体の量も少なく従つて該処理気体内に含まれる活性ガ
スの量も少ないので回転速度が小さくても収着性能は高
く、逆に通過速度が大きい場合には活性ガスの総量も大
きくロータの収着能力を越え、処理気体がその中に含ま
れる活性ガスを充分に収着されないまま供給される結果
となり、性能は低下するので、回転数を上げて収着性能
を上げることが必要となる。SUMMARY OF THE INVENTION Problems to be Solved by the Invention In this kind of gas sorber, a relatively small amount of inert gas contained in the inert gas within a very short time when the processing air or other inert gas passes through each small through hole of the rotor. When the passing speed is low, the amount of the processing gas is small and thus the amount of the active gas contained in the processing gas is small. On the contrary, when the passage speed is high, the total amount of the active gas is large and exceeds the sorption capacity of the rotor, and the processing gas is supplied without sufficiently sorbing the active gas contained therein. Therefore, it is necessary to increase the number of revolutions to increase the sorption performance.
即ち処理ゾーンの前面における風速によつて最も収着
量の多くなる回転数があり、風速が一定の場合回転数が
これより多くなつても少なくなつても収着能力は低下す
る。除湿機の例で説明するとたとえば本願出願人の出願
にかかる特願昭60−86969（特開昭61−252497）の珪酸
アルミニウムエロゲルを使用した例の除湿ロータで波板
の波長3.4mm、波高1.9mm、ロータ幅400mmのサンプルに
より除湿ゾーンと再生ゾーンとの面積比を3:1、除湿ゾ
ーン前面における処理空気の温度28℃、絶対湿度12.5g/
kgの条件で処理空気のロータ前面における風速を2m/se
c.,3m/sec.,4m/sec.とした場合のロータ回転数と除湿量
との関係を測定した結果を第４図に示す。図示の如く処
理気体のロータ前面における風速を変えれば最大の除湿
量を得られるロータ回転数が変り、従来の如く処理気体
の風速の如何にかかわらず常に一定のロータ回転数で除
湿機を運転したのでは最適の条件即ち第４図のカーブの
頂点に合わせた除湿性能は得られない。一方風速または
単位時間当りの風量が同一であつてもロータのサイズ、
小透孔のサイズが異なれば当然上記第４図のカーブも変
化し、この点をも考慮に入れて最大の除湿量を得られる
ロータ回転数を選ばねばならない。That is, there is a rotation speed at which the amount of sorption is largest depending on the wind speed at the front of the processing zone, and when the wind speed is constant, the sorption capacity is reduced regardless of whether the rotation speed is higher or lower. In the case of a dehumidifier, for example, a dehumidification rotor using an aluminum silicate erotic gel disclosed in Japanese Patent Application No. 60-86969 (Japanese Patent Application Laid-Open No. 61-252497) filed by the applicant of the present invention is a dehumidification rotor having a wave plate wavelength of 3.4 mm and a wave height of 3.4 mm. The area ratio between the dehumidification zone and the regeneration zone was 3: 1, using a 1.9 mm sample and a rotor width of 400 mm, the temperature of the treated air at the front of the dehumidification zone was 28 ° C, and the absolute humidity was 12.5 g /
2m / se
FIG. 4 shows the results of measuring the relationship between the rotor speed and the amount of dehumidification when c., 3 m / sec., and 4 m / sec. As shown in the figure, if the wind speed of the processing gas at the front of the rotor is changed, the rotor speed at which the maximum dehumidification amount is obtained changes, and the dehumidifier is always operated at a constant rotor speed regardless of the wind speed of the processing gas as in the related art. In this case, the optimum condition, that is, the dehumidifying performance matched to the top of the curve in FIG. 4 cannot be obtained. On the other hand, even if the wind speed or air volume per unit time is the same, the rotor size,
If the size of the small through-hole is different, the curve of FIG. 4 naturally changes, and in consideration of this point, the rotor speed at which the maximum dehumidification amount can be obtained must be selected.
問題点を解決するための手段 本発明は処理気体がロータを通過するために起る圧力
損失が処理気体の風速の値［m/sec.］によつて変化する
ことに着目し、上記の除湿ロータその他ガス収着ロータ
の処理ゾーンの前後面における処理気体の圧力損失即ち
差圧の変化を検出し、これを電圧または電流の電気信号
に変換し、これによつてロータの回転数を制御し、常に
最適の収着効率で除湿機その他ガス収着機の運転を行な
うものである。以下実施例を図面について詳細に説明す
る。Means for Solving the Problems The present invention focuses on the fact that the pressure loss caused by the passage of the processing gas through the rotor changes depending on the value [m / sec.] Of the wind speed of the processing gas. The pressure loss of the processing gas at the front and rear surfaces of the processing zone of the rotor and other gas sorption rotors, that is, the change of the differential pressure is detected and converted into an electric signal of voltage or current, thereby controlling the rotation speed of the rotor. The operation of the dehumidifier and other gas sorbers is always performed with the optimum sorption efficiency. Hereinafter, embodiments will be described in detail with reference to the drawings.
実施例 第３図は従来の除湿機の一例を示すもので、水蒸気吸
収剤または水蒸気吸着剤が表面にあらわれた小透孔１が
円筒の両端面間に多数透通した除湿ロータ２をケーシン
グ３内に駆動回転可能に保持し、セパレータ４により処
理ゾーン５と再生ゾーン６とに分離し、ギアドモータ
７、駆動ベルト８によりロータ２を回転させ、高湿度の
処理空気９を処理ゾーン５に高温低湿度の再生空気10を
再生ゾーン６に送入して処理空気９を除湿し乾燥空気11
を得る。尚図中12はプーリー、13はテンシヨンプーリ
ー、14はゴムシール、15は再生空気加熱器である。この
除湿機において第１図に示す如く処理ゾーン５の前面と
後面とから処理空気の静圧P1，P2を静圧孔16または静圧
ピトー管17により取出し、比例式圧力差発信器18により
圧力差P1−P2を電気信号たとえば電圧または電流に変換
し、電力増幅器19により増幅してギヤドモータ７の回転
数を調節する。比例式圧力差発信器18は第２図に示す如
く２個の圧力センサー20,20と演算器21とよりなり、圧
力センサー20は受圧ベローズ22、カンチレバー23、スト
レインゲージ24よりなり、静圧孔16または静圧ピトー管
17より受けた圧力を受圧ベローズ22に受け、これをカン
チレバー23を介してストレインゲージ24で電圧に変換
し、演算器21によりP1−P2に比例する電気信号即ち電圧
または電流を得、電力増幅器19を介してギヤドモータ７
に送りその回転数を調節する。尚第１図中25,26,27,28
はダクトである。Embodiment FIG. 3 shows an example of a conventional dehumidifier, in which a casing 3 is provided with a dehumidifying rotor 2 in which a large number of small through holes 1 on the surface of which a steam absorbent or a steam adsorbent is exposed penetrate between both end faces of the cylinder. , Is rotatably held therein, is separated into a processing zone 5 and a regeneration zone 6 by a separator 4, and the rotor 2 is rotated by a geared motor 7 and a drive belt 8, and high-humidity processing air 9 is supplied to the processing zone 5 at a high temperature The regeneration air 10 having the humidity is fed into the regeneration zone 6 to dehumidify the processing air 9 and to dry air 11
Get. In the figure, 12 is a pulley, 13 is a tension pulley, 14 is a rubber seal, and 15 is a regeneration air heater. Taken out by the first static pressure P 1 of processing air out of the front surface and the rear surface of the processing zone 5, as shown in FIG, P 2 static pressure hole 16 or hydrostatic Pitot tube 17 in the dehumidifier, the proportional pressure differential transmitter 18 Converts the pressure difference P 1 -P 2 into an electric signal, for example, a voltage or a current, and amplifies it by the power amplifier 19 to adjust the rotation speed of the geared motor 7. As shown in FIG. 2, the proportional pressure difference transmitter 18 comprises two pressure sensors 20, 20 and a calculator 21. The pressure sensor 20 comprises a pressure receiving bellows 22, a cantilever 23, a strain gauge 24, and a static pressure hole. 16 or static pressure pitot tube
The pressure received from 17 is received by a pressure receiving bellows 22, which is converted into a voltage by a strain gauge 24 via a cantilever 23, and an electric signal, that is, a voltage or a current proportional to P 1 -P 2 is obtained by an arithmetic unit 21 to obtain an electric power. Geared motor 7 via amplifier 19
To adjust the rotation speed. In Fig. 1, 25, 26, 27, 28
Is a duct.
ロータリー型除湿機には塩化リチウム等湿気吸収剤を
ロータに含浸したものと、活性カーボン、シリカゲル等
湿気吸着剤を含有または付着した材料によりロータを構
成したものとがあるが、本発明は上記何れの場合にも全
く同様に実施することができる。また適宜の吸着剤を使
用して湿気以外の活性ガスたとえば有機溶剤蒸気、一酸
化炭素、硫黄酸化物、窒素酸化物その他臭気物質を吸着
する場合においても全く同様である。更にロータの前後
面における処理空気の圧力差を検出する代りにロータの
前後面における再生空気その他再生用気体の圧力差を検
出し、これによつてロータの回転数を制御することもで
きる。Rotary dehumidifiers include those in which a rotor is impregnated with a moisture absorbent such as lithium chloride, and those in which the rotor is formed of a material containing or adhering a moisture adsorbent such as activated carbon or silica gel. In the case of the above, it can be carried out in the same manner. The same applies to the case where an appropriate adsorbent is used to adsorb active gases other than moisture, such as organic solvent vapor, carbon monoxide, sulfur oxides, nitrogen oxides, and other odorous substances. Further, instead of detecting the pressure difference between the processing air at the front and rear surfaces of the rotor, the pressure difference between the regeneration air and the regeneration gas at the front and rear surfaces of the rotor can be detected, thereby controlling the rotation speed of the rotor.
発明の効果 本発明は上記の如く構成したので、ガス収着機本体は
何等改造の必要なく、これに若干の部品を付加するのみ
でロータの前後面における処理気体または再生用気体の
圧力差を測定し、これを電気信号に変換し、これによつ
てロータ駆動用モータの回転数従つてロータの回転数を
簡易に制御し、もつて最も収着効率の高い回転数でガス
収着機を運転し得る効果を有するものである。Effect of the Invention Since the present invention is configured as described above, the gas sorber body does not require any modification, and the pressure difference between the processing gas or the regeneration gas on the front and rear surfaces of the rotor can be reduced only by adding a few parts. It measures and converts this into an electric signal, whereby the number of revolutions of the rotor driving motor and thus the number of revolutions of the rotor are easily controlled, so that the gas sorber is operated at the number of revolutions with the highest sorption efficiency. It has the effect of driving.
第１図は本発明の一実施例を示す一部断面説明図、第２
図は比例式圧力差発信器の一例を示す説明図、第３図は
従来の除湿機の一例を示す一部欠截斜視説明図、第４図
はロータの回転数と除湿量との関係を示すグラフであ
る。 図中２はロータ、５は処理ゾーン、６は再生ゾーン、７
はギヤドモータ、18は比例式圧力差発信器を示す。FIG. 1 is a partially sectional explanatory view showing one embodiment of the present invention, and FIG.
FIG. 3 is an explanatory view showing an example of a proportional pressure difference transmitter, FIG. 3 is a partially cutaway explanatory view showing an example of a conventional dehumidifier, and FIG. 4 shows the relationship between the number of rotations of a rotor and the amount of dehumidification. It is a graph shown. In the figure, 2 is a rotor, 5 is a processing zone, 6 is a regeneration zone, 7
Denotes a geared motor, and 18 denotes a proportional pressure difference transmitter.
Claims (4)
透孔を有し、各小透孔表面にガス収着剤があらわれてい
るガス収着ロータを駆動回転可能に軸支し、ロータの回
転に伴って該ロータの各部分に処理気体と再生用気体と
を交互に通過せしめ、処理気体のロータへの流入口にお
ける風速に応じてロータの回転数を収着量が最も多くな
るよう制御するよう構成したことを特徴とするガス収着
機。1. A gas sorbing rotor having a large number of small through holes extending from one end surface to the other end surface of a cylinder and having a gas sorbent on the surface of each small through hole is rotatably supported for driving. With the rotation of the rotor, the processing gas and the regeneration gas are alternately passed through each part of the rotor, and the sorbing amount is the largest, depending on the wind speed of the processing gas at the inlet to the rotor. A gas sorber characterized in that it is configured to perform control.
ある特許請求の範囲第１項記載のガス収着機。2. The gas sorber according to claim 1, wherein the gas is steam and the gas sorber is a dehumidifier.
範囲第１項または第２項記載のガス収着機。3. The gas sorber according to claim 1, wherein the gas sorbent is a gas absorbent.
範囲第１項または第２項記載のガス収着機。4. The gas sorber according to claim 1, wherein the gas sorbent is a gas adsorbent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1174383A JP2850136B2 (en) | 1989-07-06 | 1989-07-06 | Gas sorption machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1174383A JP2850136B2 (en) | 1989-07-06 | 1989-07-06 | Gas sorption machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0338214A JPH0338214A (en) | 1991-02-19 |
| JP2850136B2 true JP2850136B2 (en) | 1999-01-27 |
Family
ID=15977658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1174383A Expired - Fee Related JP2850136B2 (en) | 1989-07-06 | 1989-07-06 | Gas sorption machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2850136B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2659652B2 (en) * | 1992-07-14 | 1997-09-30 | 株式会社神戸製鋼所 | Dry dehumidifier |
| JP4798492B2 (en) * | 2006-03-27 | 2011-10-19 | 株式会社日立プラントテクノロジー | Dehumidifier |
-
1989
- 1989-07-06 JP JP1174383A patent/JP2850136B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0338214A (en) | 1991-02-19 |
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