JPH0926243A - Air cooling device with liquid air - Google Patents
Air cooling device with liquid airInfo
- Publication number
- JPH0926243A JPH0926243A JP19413895A JP19413895A JPH0926243A JP H0926243 A JPH0926243 A JP H0926243A JP 19413895 A JP19413895 A JP 19413895A JP 19413895 A JP19413895 A JP 19413895A JP H0926243 A JPH0926243 A JP H0926243A
- Authority
- JP
- Japan
- Prior art keywords
- air
- water
- storage tank
- liquid
- heat storage
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は液体空気を用いて空
気を冷却する装置に関する。TECHNICAL FIELD The present invention relates to an apparatus for cooling air using liquid air.
【０００２】[0002]
【従来の技術】従来のこの種装置の１例が図７に示され
ている。ダクト51内に噴射ノズル52が設置され、液体空
気供給源からの液体空気を噴射ノズル52から噴射する。2. Description of the Related Art One example of a conventional device of this type is shown in FIG. A jet nozzle 52 is installed in the duct 51, and liquid air from a liquid air supply source is jetted from the jet nozzle 52.
【０００３】すると、液体空気は図８に示すように、ダ
クト51内を流れる空気と混合域内で混合し、蒸発域内で
蒸発した後、拡散域内で拡散する。かくして、ダクト51
内に流入した温度t1の空気は混合域でその温度が次第に
降下して温度t3となり、ダクト51の出口から流出する。Then, as shown in FIG. 8, the liquid air mixes with the air flowing in the duct 51 in the mixing area, evaporates in the evaporation area, and then diffuses in the diffusion area. Thus, duct 51
The temperature of the air having the temperature t 1 flowing into the inside gradually decreases to the temperature t 3 in the mixing region, and flows out from the outlet of the duct 51.
【０００４】[0004]
【発明が解決しようとする課題】上記従来の空気冷却装
置においてはダクト51内に流入した空気中の湿分が噴射
ノズル52の外面に氷結し、この氷がダクト51を塞いだ
り、この氷が飛散してダクト51の下流側の機器に支障を
及ぼす。In the above conventional air cooling device, the moisture in the air flowing into the duct 51 freezes on the outer surface of the injection nozzle 52, and this ice blocks the duct 51 or It scatters and hinders the equipment on the downstream side of the duct 51.
【０００５】また、液体空気を噴射ノズル52から空気中
に直接噴射すると、その微粒蒸発及び拡散が順次繰り返
し起こるので、混合域が長くなり効率良く空気を冷却で
きないという問題があった。Further, when the liquid air is directly jetted into the air from the jet nozzle 52, the fine particles are vaporized and diffused successively, so that there is a problem that the mixing region becomes long and the air cannot be cooled efficiently.
【０００６】[0006]
【課題を解決するための手段】本発明は上記課題を解決
するために発明されたものであって、第１の発明の特徴
とするところは、空気が流過するダクト内に設置された
空気水熱交換器と、この後流側に設置された噴射ノズル
と、氷蓄熱槽内の水と液体空気とを間接又は直接熱交換
させることによって槽内の水を冷却すると同時に液体空
気を気化させる気化手段と、上記氷蓄熱槽内から冷水を
取り出して上記空気水熱交換器を経て上記氷蓄熱槽内に
帰還させる手段と、上記気化手段で気化した空気を上記
噴射ノズルから噴射させる手段を具備することにある。The present invention has been invented to solve the above-mentioned problems, and the feature of the first invention is that the air installed in a duct through which air flows. The water heat exchanger, the jet nozzle installed on the downstream side of the water heat exchanger, and the water in the ice storage tank and the liquid air are heat-exchanged indirectly or directly to cool the water in the tank and vaporize the liquid air at the same time. And a means for ejecting cold water from the ice heat storage tank and returning it to the ice heat storage tank via the air-water heat exchanger, and a means for injecting the air vaporized by the vaporization means from the injection nozzle. To do.
【０００７】本発明においては、液体空気は気化手段で
気化する際その潜熱によって氷蓄熱槽内の水を冷却し、
気化した空気は噴射ノズルからダクト内を流過する空気
中に噴射されることにより拡散してその顕熱によりダク
ト内の空気を冷却する。氷蓄熱槽内から取り出された冷
水は空気水熱交換器を流過する過程でダクト内を流過す
る空気と熱交換してこれを冷却する。In the present invention, when liquid air is vaporized by the vaporization means, the latent heat of the liquid air cools the water in the ice storage tank,
The vaporized air is diffused by being jetted from the jet nozzle into the air flowing through the duct, and the sensible heat cools the air in the duct. The cold water taken out from the ice heat storage tank exchanges heat with the air flowing through the duct in the process of flowing through the air-water heat exchanger to cool it.
【０００８】上記液体空気を超伝導機器、冷凍庫、冷凍
機等を間接熱交換により冷却した後、上記気化手段に導
くようにすれば、液体空気の顕熱を超伝導機器等に与え
ることができる。If the liquid air is introduced into the vaporizing means after the superconducting equipment, the freezer, the refrigerator, etc. are cooled by indirect heat exchange, the sensible heat of the liquid air can be given to the superconducting equipment. .
【０００９】上記ダクト内の上記空気水熱交換器と噴射
ノズルとの間に除湿器を設置すれば、上記空気水熱交換
器を流過して冷却された空気中の湿分を除湿器によって
効率的に除湿することができるので、噴射ノズルへの氷
結を防止できる。If a dehumidifier is installed between the air-water heat exchanger and the injection nozzle in the duct, the moisture in the air cooled by passing through the air-water heat exchanger is removed by the dehumidifier. Since it is possible to efficiently dehumidify, it is possible to prevent the spray nozzle from freezing.
【００１０】上記気化手段を氷蓄熱槽内の水と液体空気
とを間接的に熱交換させる蒸発器によって構成すれば、
この蒸発器において液体空気が気化する際氷蓄熱槽内の
水が冷却される。If the vaporizing means is constituted by an evaporator that indirectly exchanges heat between water and liquid air in the ice heat storage tank,
When the liquid air vaporizes in this evaporator, the water in the ice heat storage tank is cooled.
【００１１】上記蒸発器の入口側に入口ヘッダを設ける
とともに出口側に出口ヘッダを設ければ、液体空気は入
口ヘッダを経て円滑に蒸発器に流入し、出口ヘッダによ
り気液分離されるので、気化空気のみを噴射ノズルに送
ることができる。If an inlet header is provided on the inlet side of the evaporator and an outlet header is provided on the outlet side, liquid air smoothly flows into the evaporator via the inlet header and is separated into gas and liquid by the outlet header. Only vaporized air can be sent to the injection nozzle.
【００１２】上記蒸発器で気化した空気の一部を上記氷
蓄熱槽内の水中に噴出させれば、この空気の湿熱が氷蓄
熱槽内の水に与えられる。When a part of the air vaporized by the evaporator is jetted into the water in the ice heat storage tank, the heat of humidity of the air is given to the water in the ice heat storage tank.
【００１３】上記気化手段を上記氷蓄熱槽内の水中に液
体空気を注入する注入管によって構成すれば、液体空気
は氷蓄熱槽内の水と直接熱交換することによってその蒸
発潜熱を槽内の水に与える。If the vaporizing means is constituted by an injection pipe for injecting liquid air into the water in the ice heat storage tank, the liquid air directly exchanges heat with the water in the ice heat storage tank to transfer the latent heat of vaporization in the tank. Give to water.
【００１４】上記注入管とこれを囲む外管との間に限界
された環状通路から圧縮空気を上記氷蓄熱槽内の水中に
噴出させれば、液体空気を氷蓄熱槽内の水中に円滑に注
入することができ、かつ、注入管のまわりに氷結するの
を防止できる。If compressed air is jetted into the water in the ice storage tank from the annular passage limited between the injection pipe and the outer pipe surrounding the injection pipe, liquid air can be smoothly introduced into the water in the ice storage tank. It can be injected and can prevent freezing around the injection tube.
【００１５】空気が流過するダクト内に氷蓄熱槽及びこ
の後流側に噴射ノズルを設置するとともに上記氷蓄熱槽
内の水と上記ダクト内を流れる空気とを熱交換させる伝
熱管を上記氷蓄熱槽を貫通させて設け、この氷蓄熱槽内
に槽内の水と液体空気とを間接又は直接熱交換させるこ
とによって槽内の水を冷却すると同時に液体空気を気化
させる気化手段を設け、この気化手段によって気化した
空気を上記噴射ノズルから噴射させれば、ダクト内を流
過する空気は伝熱管内を流過する過程で氷蓄熱槽内の水
と熱交換することによって冷却され、次いで、噴射ノズ
ルから噴出された気化空気と混合することによって冷却
される。An ice heat storage tank is installed in a duct through which air flows, and a jet nozzle is installed on the downstream side of the ice heat storage tank, and a heat transfer tube for heat exchange between water in the ice heat storage tank and air flowing in the duct is used as the ice. The ice storage tank is provided so as to penetrate therethrough, and the ice storage tank is provided with vaporization means for cooling the water in the tank by indirect or direct heat exchange between the water and the liquid air and at the same time vaporizing the liquid air. If the air vaporized by the vaporizing means is jetted from the jet nozzle, the air flowing in the duct is cooled by exchanging heat with the water in the ice storage tank in the process of flowing in the heat transfer tube, and then, It is cooled by being mixed with vaporized air jetted from the jet nozzle.
【００１６】[0016]
【発明の実施の形態】本発明の第１の実施形態が図１に
示されている。空気が流過するダクト５内には空気流れ
に沿って空気水熱交換器６、除湿器10、噴射ノズル９が
この順に設置されている。液体空気タンク１からポンプ
２によって抽出された液体空気は氷蓄熱槽３内の蒸発器
４に送られ、ここで氷蓄熱槽３内の水Ｗと間接熱交換し
てこれを冷却することによって蒸発気化する。この際、
水Ｗの一部は氷結して氷1Cとなる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention is shown in FIG. An air-water heat exchanger 6, a dehumidifier 10, and an injection nozzle 9 are installed in this order in the duct 5 through which air flows along the air flow. The liquid air extracted from the liquid air tank 1 by the pump 2 is sent to the evaporator 4 in the ice heat storage tank 3, where it is indirectly heat-exchanged with the water W in the ice heat storage tank 3 to cool it and evaporate. Vaporize. On this occasion,
Part of the water W freezes to form ice 1C.
【００１７】氷蓄熱槽３内の冷水は空気水熱交換器６に
入り、ここでダクト５内を流れる空気を冷却することに
よって昇温した後、冷水循環ポンプ７によって付勢さ
れ、スプレー８から氷蓄熱槽３内に戻る。The cold water in the ice heat storage tank 3 enters the air-water heat exchanger 6, where the temperature of the air flowing in the duct 5 is cooled to raise the temperature, and then the cold water circulation pump 7 energizes the spray 8 to spray the cold water. Return to the ice storage tank 3.
【００１８】蒸発器４で気化した気化空気の大部分は弁
21を通って噴射ノズル９からダクト５内を流れる空気中
に噴射され、一部は弁22を通って氷蓄熱槽３内の水Ｗ中
に吹き出される。この際、弁21、22の開度を加減するこ
とによって噴射ノズル９から噴射される気化空気の量を
調整する。Most of the vaporized air vaporized in the evaporator 4 is a valve.
It is injected through the injection nozzle 9 into the air flowing through the duct 5 through 21, and a part of it is discharged through the valve 22 into the water W in the ice heat storage tank 3. At this time, the amount of vaporized air injected from the injection nozzle 9 is adjusted by adjusting the openings of the valves 21 and 22.
【００１９】しかして、図２に示すように、ダクト５内
に流入した温度t1の空気は空気水熱交換器６を流過する
ことによって温度t2に冷却された後、除湿器10を流過す
る過程で除湿され、更に噴射ノズル９から噴射された気
化空気と混合域において混合して温度t3に冷却される。As shown in FIG. 2, the air having the temperature t 1 flowing into the duct 5 is cooled to the temperature t 2 by passing through the air-water heat exchanger 6, and then the dehumidifier 10 is supplied. It is dehumidified in the process of flowing, is further mixed with the vaporized air injected from the injection nozzle 9 in the mixing region, and is cooled to the temperature t 3 .
【００２０】しかして、液体空気の蒸発潜熱を氷蓄熱槽
３内の水及び空気水熱交換器６を介してダクト５内の空
気に与え、次いで、気化空気の顕熱をダクト５内の空気
に与えているため、ダクト５内を流れる空気を段階的に
冷却することができ、従って、液体空気の冷熱を効果的
にダクト５内の空気に与えることができる。Thus, the latent heat of vaporization of the liquid air is applied to the air in the duct 5 via the water in the ice storage tank 3 and the air-water heat exchanger 6, and then the sensible heat of the vaporized air is transferred to the air in the duct 5. Therefore, the air flowing in the duct 5 can be cooled stepwise, so that the cold heat of the liquid air can be effectively given to the air in the duct 5.
【００２１】そして、気化空気がダクト５内の空気に噴
射されて拡散するので、これらを均質に混合できるとと
もに従来のように液体空気をダクト５内で蒸発させた後
に拡散させる必要がないので、混合域の長さが短くな
り、従って、ダクト５の長さを短くできる。Since the vaporized air is injected into the air in the duct 5 and diffused, it is possible to mix these uniformly and it is not necessary to vaporize the liquid air in the duct 5 and then diffuse it as in the conventional case. The length of the mixing zone is reduced and therefore the length of the duct 5 can be reduced.
【００２２】また、ダクト５内の空気は空気水熱交換器
６を流過する過程で冷水と熱交換することによって冷却
された後、除湿器10を流過することによって除湿される
とともに噴射ノズル９内には気化空気が流れるので、噴
射ノズル９やその後流側のダクト５内に空気中の水分が
氷結することはない。The air in the duct 5 is cooled by exchanging heat with cold water in the process of passing through the air-water heat exchanger 6, and then dehumidified by passing through the dehumidifier 10 and the injection nozzle. Since vaporized air flows in the inside 9, moisture in the air does not freeze in the injection nozzle 9 and the duct 5 on the downstream side.
【００２３】ダクト５内を空気が流れない場合には、冷
水循環ポンプ７を停止し、かつ、弁21を閉、弁22を開と
して気化空気の全量を氷蓄熱槽３内の水中に吹き込むこ
とによって氷蓄熱槽３内に冷熱を蓄えて置くことができ
る。When air does not flow in the duct 5, the cold water circulation pump 7 is stopped, and the valve 21 is closed and the valve 22 is opened to blow all the vaporized air into the water in the ice storage tank 3. Thus, cold heat can be stored and placed in the ice heat storage tank 3.
【００２４】また、冷水循環ポンプ７の吐出量を加減し
て空気水熱交換器６を流過する冷水の量を増減し又は弁
21、22の開度を加減して噴射ノズル９から噴射される気
化空気の量を増減すれば、ダクト５から流出する冷却空
気の温度を任意に調整しうる。Further, the discharge amount of the cold water circulation pump 7 is adjusted to increase or decrease the amount of cold water flowing through the air-water heat exchanger 6, or a valve is used.
The temperature of the cooling air flowing out from the duct 5 can be arbitrarily adjusted by adjusting the openings of the valves 21 and 22 to increase or decrease the amount of vaporized air injected from the injection nozzle 9.
【００２５】本発明の第２の実施形態が図３に示されて
いる。この第２の実施形態においては、液体空気タンク
１からポンプ２によって抽出された極低温（約−170
℃) の液体空気は超伝導機器17、冷凍庫18、冷凍機19の
冷却器20等を流過する過程でその顕熱を与えた後に蒸発
器４に供給される。他の構成、作用は図１に示す第１の
実施形態と同様である。このようにすれば液体空気の保
有する冷熱を３段階に利用しうる。A second embodiment of the invention is shown in FIG. In this second embodiment, the cryogenic temperature (about -170) extracted from the liquid air tank 1 by the pump 2 is used.
The liquid air of (.degree. C.) is supplied to the evaporator 4 after its sensible heat is given in the process of passing through the superconducting device 17, the freezer 18, the cooler 20 of the refrigerator 19, and the like. Other configurations and operations are similar to those of the first embodiment shown in FIG. By doing so, the cold heat possessed by the liquid air can be utilized in three stages.
【００２６】図４には氷蓄熱槽の変形例が示されてい
る。この氷蓄熱槽3Aにおいては、蒸発器４の入口側に入
口ヘッダ11が設けられ、出口側に出口ヘッダ12が設けら
れている。しかして、液体空気は入口ヘッダ11で分岐し
て蒸発器４の多数の伝熱管内に円滑に流入し、伝熱管内
を流過する過程で蒸発気化した後、出口ヘッダ12内で合
流し、ここで気液分離した後、気化空気のみが流出す
る。FIG. 4 shows a modification of the ice heat storage tank. In this ice heat storage tank 3A, an inlet header 11 is provided on the inlet side of the evaporator 4 and an outlet header 12 is provided on the outlet side. Then, the liquid air branches at the inlet header 11 and smoothly flows into a large number of heat transfer tubes of the evaporator 4, evaporates and vaporizes while flowing through the heat transfer tubes, and then merges in the outlet header 12. After gas-liquid separation here, only vaporized air flows out.
【００２７】図５には氷蓄熱槽の更に他の変形例が示さ
れている。この氷蓄熱槽3Bにおいては、注入管15とこれ
を囲む外管14からなる２重管13の先端が氷蓄熱槽3B内の
水Ｗ中に浸漬されている。しかして、液体空気は注入管
15内を通り、注入管15と外管14との間に限界される環状
通路を通って来た圧縮空気によって付勢されてこれと一
緒に水Ｗ中に吹き出される。この液体空気は水Ｗと直接
熱交換してこれを冷却することによって蒸発気化する。
このようにすると、液体空気は遠方に到達して水Ｗ中に
拡散するとともに注水管15のまわりに氷結するのを抑制
できる。FIG. 5 shows still another modification of the ice heat storage tank. In the ice heat storage tank 3B, the tip of a double pipe 13 composed of an injection pipe 15 and an outer pipe 14 surrounding the injection pipe 15 is immersed in the water W in the ice heat storage tank 3B. Then, liquid air is injected
It is urged by the compressed air that has passed through the inside of the pipe 15 and passed through the annular passage defined between the injection pipe 15 and the outer pipe 14 and is blown into the water W together with the compressed air. This liquid air evaporates and vaporizes by directly exchanging heat with the water W and cooling it.
By doing so, it is possible to prevent the liquid air from reaching a distant place, diffusing into the water W, and freezing around the water injection pipe 15.
【００２８】本発明の第３の実施形態が図６に示されて
いる。この第３の実施形態においては、ダクト５内に氷
蓄熱槽3Cが設置され、この氷蓄熱槽3Cにはこれを貫通す
る多数の伝熱管16が設けられている。氷蓄熱槽3C内の水
Ｗ中には２重管13を介して液体空気及び圧縮空気が吹き
込まれてこの水Ｗを冷却する。気化空気は出口ヘッダ12
を経て氷蓄熱槽3Cの下流側に設置された噴射ノズル９か
ら噴射される。A third embodiment of the present invention is shown in FIG. In the third embodiment, an ice heat storage tank 3C is installed in the duct 5, and the ice heat storage tank 3C is provided with a large number of heat transfer tubes 16 penetrating the ice heat storage tank 3C. Liquid air and compressed air are blown into the water W in the ice heat storage tank 3C through the double pipe 13 to cool the water W. Vaporized air exit header 12
And is ejected from the injection nozzle 9 installed on the downstream side of the ice heat storage tank 3C.
【００２９】しかして、ダクト５内に流入した空気は多
数の伝熱管16内を流過する過程で管外の冷水と熱交換す
ることによって冷却され、次いで、噴射ノズル９から噴
射された気化空気と混合することによって更に冷却され
る。The air flowing into the duct 5 is cooled by exchanging heat with the cold water outside the tubes in the process of passing through the large number of heat transfer tubes 16, and then the vaporized air injected from the injection nozzle 9 is cooled. Further cooling is achieved by mixing with.
【００３０】[0030]
【発明の効果】本発明においては、液体空気の潜熱を氷
蓄熱槽内の水を介してダクト内の空気に与え、次いで、
気化空気の顕熱をダクト内の空気に与えているので、ダ
クト内を流過する空気を段階的に冷却することができ、
従って、液体空気の冷熱を効果的にダクト内を流過する
空気に与えることができる。In the present invention, the latent heat of liquid air is applied to the air in the duct via the water in the ice heat storage tank, and then the
Since the sensible heat of vaporized air is given to the air in the duct, the air flowing in the duct can be cooled in stages,
Therefore, the cold heat of the liquid air can be effectively given to the air flowing through the duct.
【００３１】また、気化空気がダクト内の空気に噴射さ
れて拡散するので、これらを均質に混合できる。そし
て、従来のように液体空気をダクト内で蒸発させた後に
拡散させる必要がないので、混合域の長さが短くなり、
ダクトの長さを短くできる。Further, since the vaporized air is injected into the air in the duct and diffuses, it is possible to mix these uniformly. And since it is not necessary to diffuse liquid air after evaporating it in the duct as in the conventional case, the length of the mixing zone is shortened,
The length of the duct can be shortened.
【００３２】また、ダクト内の空気は空気水熱交換器を
流過する過程で冷水と熱交換することによって冷却除湿
され、噴射ノズル内には気化空気が流れるので、噴射ノ
ズルやその後流側のダクト内に空気中の水分が氷結する
ことはない。Further, the air in the duct is cooled and dehumidified by exchanging heat with cold water in the process of passing through the air-water heat exchanger, and vaporized air flows in the injection nozzle. Moisture in the air does not freeze in the duct.
【００３３】更に、氷蓄熱槽内に冷熱を蓄えて置けるの
で、負荷の変動に容易に追縦できる。Further, since the cold heat can be stored in the ice heat storage tank, it is possible to easily follow the fluctuation of the load.
【００３４】液体空気を超伝導機器、冷凍庫、冷凍機等
を間接熱交換により冷却した後、気化手段に導くように
すれば、液体空気の顕熱を超伝導機器等に与えることが
できるので、液体空気の冷熱を３段階に利用することが
でき、従って、熱効率を向上しうる。If the liquid air is guided to the vaporizing means after the superconducting equipment, the freezer, the refrigerator, etc. are cooled by indirect heat exchange, the sensible heat of the liquid air can be given to the superconducting equipment. The cold heat of the liquid air can be used in three stages, thus improving the thermal efficiency.
【００３５】ダクト内の空気水熱交換器と噴射ノズルと
の間に除湿器を設置すれば、空気水熱交換器を流過して
冷却された空気中の湿分を除湿器によって効率的に除湿
することができるので、噴射ノズルへの氷結を効果的に
防止できる。If a dehumidifier is installed between the air-water heat exchanger and the injection nozzle in the duct, the moisture in the air cooled by flowing through the air-water heat exchanger can be efficiently used by the dehumidifier. Since it is possible to dehumidify, it is possible to effectively prevent freezing of the spray nozzle.
【００３６】気化手段を氷蓄熱槽内の水と液体空気とを
間接的に熱交換させる蒸発器によって構成すれば、この
蒸発器において液体空気が気化する際の蒸発潜熱によっ
て氷蓄熱槽内の水を冷却しうる。If the vaporizing means is constituted by an evaporator that indirectly exchanges heat between the water in the ice heat storage tank and the liquid air, the water in the ice heat storage tank is evaporated by the latent heat of vaporization of the liquid air in the evaporator. Can be cooled.
【００３７】蒸発器の入口側に入口ヘッダを設けるとと
もに出口側に出口ヘッダを設ければ、液体空気は入口ヘ
ッダを経て円滑に蒸発器に流入し、出口ヘッダにより気
液分離しうるので、気化空気のみを噴射ノズルに供給す
ることができる。If an inlet header is provided on the inlet side of the evaporator and an outlet header is provided on the outlet side, liquid air can smoothly flow into the evaporator through the inlet header and can be separated into gas and liquid by the outlet header, so that vaporization is possible. Only air can be supplied to the injection nozzle.
【００３８】蒸発器で気化した空気の一部を氷蓄熱槽内
の水中に噴出させれば、気化空気の湿熱を氷蓄熱槽内の
水に与えることができ、また、この気化空気の量を加減
することによって噴射ノズルから噴出する量を調節しう
るので、ダクトから流出する空気の温度を調整しうる。By ejecting a part of the air vaporized by the evaporator into the water in the ice heat storage tank, the wet heat of the vaporized air can be given to the water in the ice heat storage tank, and the amount of the vaporized air can be changed. By adjusting the amount, the amount ejected from the ejection nozzle can be adjusted, so that the temperature of the air flowing out from the duct can be adjusted.
【００３９】気化手段を氷蓄熱槽内の水中に液体空気を
注入する注入管によって構成すれば、液体空気は氷蓄熱
槽内の水と直接熱交換することによってその蒸発潜熱の
全てを槽内の水に与えることができる。If the vaporizing means is constituted by an injection pipe for injecting liquid air into the water in the ice heat storage tank, the liquid air directly exchanges heat with the water in the ice heat storage tank so that all of its latent heat of vaporization is stored in the tank. Can be given to water.
【００４０】注入管とこれを囲む外管との間に限界され
た環状通路から圧縮空気を氷蓄熱槽内の水中に噴出させ
れば、液体空気を氷蓄熱槽内の水中遠方まで到達させる
ことができるとともに注入管のまわりに氷結するのを防
止できる。If compressed air is jetted into the water in the ice storage tank from the annular passage limited between the injection pipe and the outer pipe surrounding the injection pipe, the liquid air can reach far away in the ice storage tank. In addition, it is possible to prevent freezing around the injection pipe.
【００４１】空気が流過するダクト内に氷蓄熱槽及びこ
の後流側に噴射ノズルを設置するとともにこの氷蓄熱槽
内の水とダクト内を流れる空気とを熱交換させる伝熱管
を氷蓄熱槽を貫通させて設け、この氷蓄熱槽内に槽内の
水と液体空気とを間接又は直接熱交換させることによっ
て槽内の水を冷却すると同時に液体空気を気化させる気
化手段を設け、この気化手段によって気化した空気を噴
射ノズルから噴射させれば、装置を小型化しうる。An ice heat storage tank is installed in a duct through which air flows, and a jet nozzle is installed on the downstream side of the ice heat storage tank, and a heat transfer tube for exchanging heat between water in the ice heat storage tank and air flowing in the duct is installed in the ice heat storage tank. And a vaporizing means for vaporizing the liquid air at the same time as cooling the water in the tank by indirectly or directly exchanging heat between the water in the tank and the liquid air in the ice heat storage tank. By injecting the vaporized air from the jet nozzle, the device can be downsized.
【図１】本発明の第１の実施形態を示す系統図である。FIG. 1 is a system diagram showing a first embodiment of the present invention.
【図２】上記実施形態におけるダクト内空気の温度変化
を示す線図である。FIG. 2 is a diagram showing a temperature change of air in a duct in the above embodiment.
【図３】本発明の第２の実施形態を示す系統図である。FIG. 3 is a system diagram showing a second embodiment of the present invention.
【図４】氷蓄熱槽の変形例を示す略示的断面図である。FIG. 4 is a schematic cross-sectional view showing a modified example of the ice heat storage tank.
【図５】氷蓄熱槽の他の変形例を示す略示的断面図であ
る。FIG. 5 is a schematic sectional view showing another modified example of the ice heat storage tank.
【図６】本発明の第３の実施形態を示す系統図である。FIG. 6 is a system diagram showing a third embodiment of the present invention.
【図７】従来の空気冷却装置を示す略示的断面図であ
る。FIG. 7 is a schematic sectional view showing a conventional air cooling device.
【図８】上記従来の空気冷却装置におけるダクト内空気
の温度変化を示す線図である。FIG. 8 is a diagram showing a temperature change of air in a duct in the conventional air cooling device.
５ ダクト ６ 空気水熱交換器 10 除湿器 ９ 噴射ノズル １ 液体空気タンク ２ ポンプ ３ 氷蓄熱槽 ４ 蒸発器 ７ 冷水循環ポンプ ８ スプレー 21、22 弁 Ｗ 水 1C 氷 5 Duct 6 Air Water Heat Exchanger 10 Dehumidifier 9 Injection Nozzle 1 Liquid Air Tank 2 Pump 3 Ice Storage Tank 4 Evaporator 7 Cold Water Circulation Pump 8 Spray 21, 22 W Water 1C Ice
Claims (9)
気水熱交換器と、この後流側に設置された噴射ノズル
と、氷蓄熱槽内の水と液体空気とを間接又は直接熱交換
させることによって槽内の水を冷却すると同時に液体空
気を気化させる気化手段と、上記氷蓄熱槽内から冷水を
取り出して上記空気水熱交換器を経て上記氷蓄熱槽内に
帰還させる手段と、上記気化手段で気化した空気を上記
噴射ノズルから噴射させる手段を具備することを特徴と
する液体空気による空気冷却装置。1. An air / water heat exchanger installed in a duct through which air flows, an injection nozzle installed on the downstream side of the air heat exchanger, and water or liquid air in an ice heat storage tank is indirectly or directly heated. Vaporizing means for cooling the water in the tank by exchanging and at the same time vaporizing liquid air, and means for taking out cold water from the ice heat storage tank and returning it to the ice heat storage tank via the air-water heat exchanger, An air cooling device using liquid air, comprising means for injecting air vaporized by the vaporizing means from the jet nozzle.
凍機等を間接熱交換により冷却した後、上記気化手段に
導くことを特徴とする請求項１記載の液体空気による空
気冷却装置。2. The liquid-air air cooling apparatus according to claim 1, wherein the liquid air is introduced into the vaporizing means after the superconducting device, the freezer, the freezer and the like are cooled by indirect heat exchange.
射ノズルとの間に除湿器を設置したことを特徴とする請
求項１記載の液体空気による空気冷却装置。3. The air cooling apparatus according to claim 1, further comprising a dehumidifier installed between the air-water heat exchanger and the injection nozzle in the duct.
気とを間接的に熱交換させる蒸発器によって構成したこ
とを特徴とする請求項１記載の液体空気による空気冷却
装置。4. The air cooling apparatus using liquid air according to claim 1, wherein the vaporizing means is constituted by an evaporator that indirectly exchanges heat between water and liquid air in the ice heat storage tank.
るとともに出口側に出口ヘッダを設けたことを特徴とす
る請求項４記載の液体空気による空気冷却装置。5. An air cooling apparatus using liquid air according to claim 4, wherein an inlet header is provided on the inlet side of the evaporator and an outlet header is provided on the outlet side.
氷蓄熱槽内の水中に噴出させることを特徴とする請求項
４記載の液体空気による空気冷却装置。6. The liquid-air air cooling device according to claim 4, wherein a part of the air vaporized by the evaporator is jetted into the water in the ice heat storage tank.
液体空気を注入する注入管によって構成したことを特徴
とする請求項１記載の液体空気による空気冷却装置。7. The air-cooling device using liquid air according to claim 1, wherein the vaporizing means is constituted by an injection pipe for injecting liquid air into water in the ice heat storage tank.
界された環状通路から圧縮空気を上記氷蓄熱槽内の水中
に噴出させることを特徴とする請求項７記載の液体空気
による空気冷却装置。8. The liquid air according to claim 7, wherein compressed air is jetted into water in the ice heat storage tank from an annular passage defined between the injection pipe and an outer pipe surrounding the injection pipe. Air cooling device.
この後流側に噴射ノズルを設置するとともに上記氷蓄熱
槽内の水と上記ダクト内を流れる空気とを熱交換させる
伝熱管を上記氷蓄熱槽を貫通させて設け、この氷蓄熱槽
内に槽内の水と液体空気とを間接又は直接熱交換させる
ことによって槽内の水を冷却すると同時に液体空気を気
化させる気化手段を設け、この気化手段によって気化し
た空気を上記噴射ノズルから噴射させることを特徴とす
る液体空気による空気冷却装置。9. An ice heat storage tank is installed in a duct through which air flows, and a jet nozzle is installed on the downstream side of the ice heat storage tank, and a heat transfer tube is provided for heat exchange between water in the ice heat storage tank and air flowing in the duct. The ice heat storage tank is provided so as to penetrate therethrough, and the ice heat storage tank is provided with vaporization means for cooling the water in the tank by heat exchange between the water and the liquid air indirectly or directly and at the same time vaporizing the liquid air. An air cooling device using liquid air, wherein the air vaporized by the vaporizing means is jetted from the jet nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19413895A JP3716012B2 (en) | 1995-07-07 | 1995-07-07 | Air cooling device with liquid air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19413895A JP3716012B2 (en) | 1995-07-07 | 1995-07-07 | Air cooling device with liquid air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0926243A true JPH0926243A (en) | 1997-01-28 |
| JP3716012B2 JP3716012B2 (en) | 2005-11-16 |
Family
ID=16319547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19413895A Expired - Lifetime JP3716012B2 (en) | 1995-07-07 | 1995-07-07 | Air cooling device with liquid air |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3716012B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101147733B1 (en) * | 2004-12-02 | 2012-05-25 | 엘지전자 주식회사 | Air Conditioner System |
-
1995
- 1995-07-07 JP JP19413895A patent/JP3716012B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101147733B1 (en) * | 2004-12-02 | 2012-05-25 | 엘지전자 주식회사 | Air Conditioner System |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3716012B2 (en) | 2005-11-16 |
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