JPS5891996A - Processing device of low temperature liquefied gas - Google Patents
Processing device of low temperature liquefied gasInfo
- Publication number
- JPS5891996A JPS5891996A JP56189689A JP18968981A JPS5891996A JP S5891996 A JPS5891996 A JP S5891996A JP 56189689 A JP56189689 A JP 56189689A JP 18968981 A JP18968981 A JP 18968981A JP S5891996 A JPS5891996 A JP S5891996A
- Authority
- JP
- Japan
- Prior art keywords
- low
- low temperature
- temperature
- liquefied gas
- gas
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0119—Shape cylindrical with flat end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/0393—Localisation of heat exchange separate using a vaporiser
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
【発明の詳細な説明】
ＬＰＧ，液体アンモニアのごとき低温液化ガスから気化
する蒸発ガスを圧縮して再液化する際の２圧縮ガスを、
低温液化ガス出荷時の加熱媒体として使用するように′
して熱効率を高めると共に比較的低温低圧凝縮液に処理
出来る装置に関する。[Detailed description of the invention] Two compressed gases when compressing and reliquefying evaporated gas from low-temperature liquefied gases such as LPG and liquid ammonia,
To be used as a heating medium when shipping low-temperature liquefied gas.
The present invention relates to a device that can process condensate at a relatively low temperature and pressure while increasing thermal efficiency.
従来の低温液化ガスの出荷装置を第１図により説明する
と、低温貯蔵タンク（α）内に社４蔵されていた低温液
化ガスは、出荷ポンプＣｂ）によって吸引、加圧され、
ヒータ（ｃ）で常謡まで加熱され後工程へ出荷される。A conventional shipping device for low-temperature liquefied gas will be explained with reference to FIG. 1. Low-temperature liquefied gas stored in a low-temperature storage tank (α) is sucked and pressurized by a shipping pump Cb)
It is heated to a common temperature using a heater (c) and shipped to the subsequent process.
一方、低温貯蔵タンク（α）には断熱材が装着しである
が、外部より低温貯蔵タンク（α）への入熱を零とする
ことができないため、低温貯蔵タンク（α）内の蒸発ガ
スにより同タンク内圧力が上昇する。On the other hand, although the low-temperature storage tank (α) is equipped with insulation material, it is impossible to reduce the heat input into the low-temperature storage tank (α) from the outside to zero, so the evaporated gas inside the low-temperature storage tank (α) This causes the pressure inside the tank to rise.
そこで従来は、液面より蒸発したガスを低温貯蔵タンク
（α）上部に朦けた管路（ｃＬ）より取り出し、該ガス
を圧縮機（−）で圧縮したうえ凝縮器（イ）へ送り、こ
こで冷却、液化させてレシーバ０）に受け、液化した低
温液化ガスを管路＜ｈ＞を経て低温貯蔵タンク（α）内
に送り、ノズルよりスプレーを行って低温貯蔵タンク（
α）内圧力上昇を防止していた。Conventionally, the gas evaporated from the liquid level was taken out from the pipe line (cL) cut into the upper part of the low-temperature storage tank (α), compressed by a compressor (-), and then sent to the condenser (A). The liquefied low-temperature liquefied gas is sent to the low-temperature storage tank (α) via the pipe <h>, and is sprayed from a nozzle to the low-temperature storage tank (α).
α) Internal pressure rise was prevented.
しかるに、前記従来装置にあっては圧縮機（ｅ）、凝縮
機（イ）、レシーバけ）等より成る再液化装置と低温液
化ガス出荷の際の出荷ポンプ（ｂ）、ヒータ（Ｃ）等の
出荷装置を別ｉ独立して運転していたため運転維持費が
高価となり、又低温貯蔵タンク（ａ）への入熱を再液化
装置によってすてていたため、ヒータ（ｃ）での加熱エ
ネルギーを別に必要とし、省エネルギーの観点からも好
ましくない。However, in the conventional device, the reliquefaction device consists of a compressor (e), a condenser (a), a receiver), etc., and a shipping pump (b), a heater (C), etc. for shipping low-temperature liquefied gas. Because the shipping equipment was operated separately and independently, operation and maintenance costs were high, and because the heat input to the low-temperature storage tank (a) was wasted by the reliquefaction equipment, the heating energy for the heater (c) was separately used. This is not desirable from the viewpoint of energy saving.
本発明は、従来手段の有する前述の欠点を除去すること
を目的としたものであり、低温貯蔵タンクに接続した出
荷用管路に出荷ポンプ、低温凝縮器及びヒータを設けて
出荷ラインとなし、前記低温貯蔵タンク上部に接続した
他の管路に圧縮機を設け、該圧縮器下流側管路を分岐せ
しめ、一方の管路を前記低温凝縮機に導通せしめ、低温
貯蔵タンクに戻すように構成したことを特徴とする低温
液化ガスの処理装置にかかるものである。The present invention aims to eliminate the above-mentioned drawbacks of the conventional means, and provides a shipping line connected to a cold storage tank with a shipping pump, a low-temperature condenser, and a heater. A compressor is provided in another pipe line connected to the upper part of the low temperature storage tank, the pipe line downstream of the compressor is branched, and one pipe line is connected to the low temperature condenser and returned to the low temperature storage tank. The present invention relates to a low-temperature liquefied gas processing apparatus characterized by the following.
以下本発明の実施例を図面を参照しつつ説明する。Embodiments of the present invention will be described below with reference to the drawings.
断熱材等で覆われた低温貯蔵タンク（１）に低温液化ガ
ス出荷用の管路（２）を接続し、該管路（２）の中途部
下流側に出荷ポンプ（３）、パルプ（４）、低温凝縮器
（５）、ヒータ（６）を順次設け、前記低温貯蔵タンク
（１）の上部に管路（７）を接続し、該管路（７）の中
途部に低温液化ガスが気化して生じた蒸発ガスを圧送す
る圧縮機（８）を設け、該管路（７）の先端を管路（９
）及び管路ＬｌＯに分岐させ、゛該管路（９）に前記低
温凝縮器（５）を設は前記圧縮機（８）で圧縮された蒸
発ガスと前記管路（２）を流れる低温液化ガスとが前記
低温凝縮器（５）内で熱交換し得るよう構成し、更に前
記管路（９）の途中に凝縮した蒸発ガ不を受けるレシー
バａ］）、該凝縮液を送る凝縮液送りポンプ（６）を順
次設け、該管路（９）の先端を前記低温貯蔵タンク（１
）に挿入し該タンク（１）内に設けたノズル（至）に接
続する。又、前記管路す１途中に凝縮器α→を設け、該
管路αＱの先端を前記低温凝縮器（５）とレシーバα◇
との間の管路（９）に接続する。図沖、（至）は管路（
９）に設けた凝縮液送りポンプ（６）の最寄の上下流を
迷１通せしめたバイパス管、（４）は該バイパス管（ト
）に設けたパルプ、Ｑ′Ｉ）は管路（９）とバイパス管
（ト）の−縮液送ジポンプ（６）下流側接続点より下流
側と管路（２）の低温凝縮器（５）とヒータ（６）の間
とを接続する管路、（至）α■ｌはパルプである。A pipeline (2) for shipping low-temperature liquefied gas is connected to a low-temperature storage tank (1) covered with a heat insulating material, etc., and a shipping pump (3) and a pulp (4) are installed downstream of the midway part of the pipeline (2). ), a low-temperature condenser (5), and a heater (6) are installed in sequence, a pipe (7) is connected to the upper part of the low-temperature storage tank (1), and a low-temperature liquefied gas is supplied to the middle of the pipe (7). A compressor (8) is provided to force-feed the vaporized gas, and the tip of the pipe (7) is connected to the pipe (9).
) and a pipe LIO, and the pipe (9) is provided with the low-temperature condenser (5), so that the evaporated gas compressed by the compressor (8) and the low-temperature liquefied gas flowing through the pipe (2) are A receiver a]) configured to exchange heat with the gas in the low-temperature condenser (5), and a receiver a) for receiving condensed evaporation gas in the middle of the pipe line (9), and a condensate feed for sending the condensate. Pumps (6) are sequentially provided, and the tips of the pipes (9) are connected to the cold storage tank (1).
) and connect it to the nozzle (to) provided in the tank (1). Further, a condenser α→ is provided in the middle of the pipe line S1, and the tip of the pipe line αQ is connected to the low temperature condenser (5) and the receiver α◇
Connect to the conduit (9) between the Off the coast of the map (to) is the pipe (
9) is a bypass pipe installed upstream and downstream of the condensate feed pump (6), (4) is the pulp installed in the bypass pipe (G), and Q'I) is the pipeline ( 9) and the bypass pipe (g) - A pipe line connecting the downstream side of the downstream connection point of the condensate feed pump (6) and between the low temperature condenser (5) and the heater (6) of the pipe line (2). , (to) α■l is pulp.
低温液化ガス液面より蒸発したガスは低温貯蔵タンク（
１）上部に設けた管路（７）より取り出され圧縮器（８
）で圧縮され管路（９）又は管路αＱに送ら°れる。The gas evaporated from the liquid surface of the low-temperature liquefied gas is stored in a low-temperature storage tank (
1) The compressor (8) is taken out from the pipe (7) installed at the top.
) and sent to pipe (9) or pipe αQ.
低温液化ガス出荷時はパルプ（４）（ト）翰を開、パル
プ（ト）α００ｐを閉とすることにより低温液化ガスは
出荷ポンプ（３）により低温凝縮器（５）を通９ヒータ
（６）で所定の温度まで加熱されて出荷される。When shipping low-temperature liquefied gas, by opening the pulp (4) (g) and closing pulp (g) α00p, the low-temperature liquefied gas is passed through the low-temperature condenser (5) by the shipping pump (3) to the 9 heater (6). ) to a predetermined temperature before being shipped.
該低温凝縮器（５）には前記圧・縮ガスが流れるので出
荷される低温液化ガスと熱交換し、圧縮ガスは冷却され
液化レシーバα◇に流れるが、前記低温液化ガスは逆に
熱を吸収し温度が上昇する。The compressed and condensed gas flows through the low-temperature condenser (5), so it exchanges heat with the low-temperature liquefied gas to be shipped, and the compressed gas is cooled and flows to the liquefied receiver α◇, but the low-temperature liquefied gas conversely loses heat. absorbed and the temperature rises.
更に、前記液化した圧縮ガスはレシーバαリカＩＥＩ）
凝縮液送りポンプ＠により管路（９）及び管路α力を通
して管路（２）に送られ、出荷ラインに合流されるので
、ヒータ（６）に入る低温液化ガスの温度は更に上昇す
る。従って、該低温液化ガスを所定の温度まで加熱する
に必要な熱エネルギー量は低減される。Furthermore, the liquefied compressed gas is transferred to a receiver α Rica IEI).
The temperature of the low-temperature liquefied gas entering the heater (6) further increases as it is sent to the pipe (2) by the condensate feed pump @ through the pipe (9) and the pipe α force and merged into the shipping line. Therefore, the amount of thermal energy required to heat the low temperature liquefied gas to a predetermined temperature is reduced.
低温液化ガスを出荷していない時はパルプ（ト）Ｑ呻＠
１）が開、パルプ（４） ＱＥＤ ｍを閉とすることに
より、前記圧縮器（８）で圧縮された圧縮ガスは凝縮器
Ｑ４１に流れ、冷却されて液化しレシーバαυから管路
（ハ）を通り管路（９）を通って低温貯蔵タンク（１）
に戻される。When we are not shipping low-temperature liquefied gas, Pulp (g) Q groan@
1) is opened and pulp (4) QED m is closed, the compressed gas compressed by the compressor (8) flows to the condenser Q41, is cooled and liquefied, and is sent from the receiver αυ to the pipe (c). through the pipe (9) through the cold storage tank (1)
will be returned to.
なお、本発明の低温液化ガスの処理装置は上述の実施例
に限定されるものではなく、本発明の要旨を逸脱しない
範囲内において種々変更を加え得ることは勿論である。Note that the low-temperature liquefied gas processing apparatus of the present invention is not limited to the above-described embodiments, and it goes without saying that various changes may be made without departing from the gist of the present invention.
以上述べたように本発明の低温液化ガスの処理装置によ
れば、低温液化ガス出荷時に低温貯蔵タンクで発生した
蒸発ガスを圧縮機で圧縮し、低温出荷液が通る低温凝縮
器に送り該低−温出荷液と熱交換し、凝縮した液を凝縮
液送りポンプにより出荷ラインに入れたり、低温貯蔵タ
ンクに戻すように構成したので従来、凝縮器で冷却水と
熱交換することにより捨ていた蒸発ガス圧縮の際に生ず
る熱エネルギーを、低温出荷液の温度上昇に利用できる
こととなり、エネルギー効率を高め、又ヒータから供給
する熱エネルギーの量も低減することができ、更に圧縮
機の動力を低減することができるので運転維持費を削減
することが可能となり、省エネルギ一対策上有用である
。As described above, according to the low-temperature liquefied gas processing apparatus of the present invention, the evaporated gas generated in the low-temperature storage tank during low-temperature liquefied gas shipment is compressed by the compressor, and sent to the low-temperature condenser through which the low-temperature shipping liquid passes. -The structure exchanges heat with the hot shipping liquid, and the condensed liquid is put into the shipping line by a condensate feed pump or returned to the low-temperature storage tank. Thermal energy generated during gas compression can be used to raise the temperature of the low-temperature shipping liquid, increasing energy efficiency and reducing the amount of thermal energy supplied from the heater, further reducing the power of the compressor. This makes it possible to reduce operation and maintenance costs, which is useful as an energy-saving measure.
第１図は従来の低温液化ガスの出荷装置の説明図、第２
図は本発明の低温液化ガスの処理装置の説明図である。
図中、（１）は低温貯蔵タンク、（２） （７） （９
）αＱαカは管路、（３）は出荷ポンプ、（５）は低温
凝縮器、（６）はヒータ、（８）は圧縮器、αｐはレシ
ーバ、（６）は凝縮液送りポンプ、０Φは凝縮器を示す
。
特許出願人 石川島播磨重工業株式会特許出願人代理
人 山 １） 恒特許出願人代理人 大
塚 誠 −第１図
第２図Figure 1 is an explanatory diagram of a conventional low-temperature liquefied gas shipping device, Figure 2
The figure is an explanatory diagram of a low-temperature liquefied gas processing apparatus of the present invention. In the figure, (1) is a low temperature storage tank, (2) (7) (9
) αQα is the pipe, (3) is the shipping pump, (5) is the low temperature condenser, (6) is the heater, (8) is the compressor, αp is the receiver, (6) is the condensate feed pump, and 0Φ is The condenser is shown. Patent applicant: Ishikawajima-Harima Heavy Industries Co., Ltd. Patent applicant's agent Yama 1) Kou Patent applicant's agent Dai
Makoto Tsuka - Figure 1 Figure 2
Claims (1)
、低温凝縮器及びヒータを設けて出荷ラインとなし、前
記低温貯蔵タンク上部に接続した他の管路に圧縮機を設
け、該圧縮機下流側管路を分岐せしめ、一方の管路を前
記低温凝縮器に導通せしめ、他方の管路に他の凝縮器を
設け、且つ該各凝縮器の下流側管路を接続し、該各凝縮
器からの凝縮液を前゛記出荷ラインに合流させ、且つ前
記低温貯蔵タンクに戻すように構成したことを特徴とす
る低温液化ガスの処理装置。1) A shipping pump, a low-temperature condenser, and a heater are installed in the shipping pipe connected to the low-temperature storage tank to form a shipping line, and a compressor is installed in another pipe connected to the upper part of the low-temperature storage tank, and the compressor The downstream pipes are branched, one pipe is connected to the low-temperature condenser, the other pipe is provided with another condenser, and the downstream pipes of each of the condensers are connected, and each of the condensers 1. A low-temperature liquefied gas processing apparatus, characterized in that the condensate from the container is configured to flow into the shipping line and return to the low-temperature storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56189689A JPS5891996A (en) | 1981-11-26 | 1981-11-26 | Processing device of low temperature liquefied gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56189689A JPS5891996A (en) | 1981-11-26 | 1981-11-26 | Processing device of low temperature liquefied gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5891996A true JPS5891996A (en) | 1983-06-01 |
Family
ID=16245529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56189689A Pending JPS5891996A (en) | 1981-11-26 | 1981-11-26 | Processing device of low temperature liquefied gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5891996A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571231A (en) * | 1995-10-25 | 1996-11-05 | The Boc Group, Inc. | Apparatus for storing a multi-component cryogenic liquid |
| CN102954345A (en) * | 2011-08-17 | 2013-03-06 | 总装备部工程设计研究总院 | Pressurization system of low-temperature heat-insulation storage tank |
| CN104132239A (en) * | 2014-07-29 | 2014-11-05 | 江苏克劳特低温技术有限公司 | Low-temperature gas condensation circulating system and method |
-
1981
- 1981-11-26 JP JP56189689A patent/JPS5891996A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571231A (en) * | 1995-10-25 | 1996-11-05 | The Boc Group, Inc. | Apparatus for storing a multi-component cryogenic liquid |
| CN102954345A (en) * | 2011-08-17 | 2013-03-06 | 总装备部工程设计研究总院 | Pressurization system of low-temperature heat-insulation storage tank |
| CN104132239A (en) * | 2014-07-29 | 2014-11-05 | 江苏克劳特低温技术有限公司 | Low-temperature gas condensation circulating system and method |
| CN104132239B (en) * | 2014-07-29 | 2016-08-24 | 江苏克劳特低温技术有限公司 | A kind of cryogenic gas condensation cycle system and method |
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