JPH02219960A - Direct contact type freezing system - Google Patents
Direct contact type freezing systemInfo
- Publication number
- JPH02219960A JPH02219960A JP4278689A JP4278689A JPH02219960A JP H02219960 A JPH02219960 A JP H02219960A JP 4278689 A JP4278689 A JP 4278689A JP 4278689 A JP4278689 A JP 4278689A JP H02219960 A JPH02219960 A JP H02219960A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- compressor
- lubricating oil
- oil
- evaporator
- 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
- 230000008014 freezing Effects 0.000 title abstract 2
- 238000007710 freezing Methods 0.000 title abstract 2
- 239000003507 refrigerant Substances 0.000 claims abstract description 93
- 239000010687 lubricating oil Substances 0.000 claims abstract description 40
- 239000012530 fluid Substances 0.000 claims description 18
- 238000005057 refrigeration Methods 0.000 claims description 18
- 239000003921 oil Substances 0.000 abstract description 25
- 238000011084 recovery Methods 0.000 abstract description 9
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000017399 Caesalpinia tinctoria Nutrition 0.000 description 2
- 241000388430 Tara Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010454 slate Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、直接接触式冷凍システムに係わり、特に、圧
縮機において冷媒内に混入した潤滑用オイルを確実に回
収できる直接接触式冷凍システムに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a direct contact refrigeration system, and particularly to a direct contact refrigeration system that can reliably recover lubricating oil mixed into refrigerant in a compressor. .
（従来の技ｊ・卜ｉ〕
第２図は、従来の直接接触式冷凍システムを示すもので
、図において符号１１は、蒸発器を示している。(Conventional Techniques) FIG. 2 shows a conventional direct contact refrigeration system, and in the figure, reference numeral 11 indicates an evaporator.
この蒸発器１１内には、ポンプ１３および負荷１５を介
して、例えば、水からなる作動流体１７が循環されてい
る。A working fluid 17 consisting of water, for example, is circulated within the evaporator 11 via a pump 13 and a load 15 .
そして、この作動流体１７内において、作動流体１７に
溶解しない凝縮冷媒１９が直接蒸発されて、作動流体１
７が冷却される。In this working fluid 17, the condensed refrigerant 19 that does not dissolve in the working fluid 17 is directly evaporated, and the working fluid 17 is directly evaporated.
7 is cooled.
一方、蒸発した冷媒１９は、圧縮機２１で加圧された後
、凝縮器２３内で凝縮され、凝縮冷媒１９とされ、冷媒
タンク２５に移送される。On the other hand, the evaporated refrigerant 19 is pressurized by the compressor 21 and then condensed in the condenser 23 to become condensed refrigerant 19, which is transferred to the refrigerant tank 25.
そして、冷媒タンク２５内の凝縮冷媒１９は、膨張弁２
７を介して蒸発器１１に再循環される。Then, the condensed refrigerant 19 in the refrigerant tank 25 is transferred to the expansion valve 2
7 to the evaporator 11.
このように構成された直接接触式冷凍システムでは、蒸
発器１１内において作動流体１．７と蒸発冷媒１９とが
直接接触するため、非常に高い熱交換効率を得ることが
可能となる。In the direct contact refrigeration system configured in this way, the working fluid 1.7 and the evaporative refrigerant 19 are in direct contact within the evaporator 11, so that it is possible to obtain very high heat exchange efficiency.
（発明が解決しようとする課題〕
しかしながら、このような従来の直接接触式冷凍システ
ムでは、圧縮機２１にオイル潤滑式の圧縮機を使用する
場合には、圧縮機２１において冷媒１９に混入した潤滑
用オイルが、凝縮冷媒１９に溶解した状態で、次第に蒸
発器１９内に溜り、最終的には、圧縮機２１の潤滑用オ
イルが消失し、圧縮機２１の潤滑が不可能になるという
問題があった。(Problems to be Solved by the Invention) However, in such a conventional direct contact refrigeration system, when an oil-lubricated compressor is used as the compressor 21, the lubricant mixed into the refrigerant 19 in the compressor 21 is The problem is that the lubricating oil for the compressor 21 disappears, and the lubricating oil for the compressor 21 becomes impossible. there were.
そこで、従来、圧縮機２１には、オイルフリー式の圧縮
機が使用されているが、このオイルフリー式の圧縮機は
、オイル潤滑式の圧縮機に比較して圧縮性能が低いため
、直接接触式冷凍システムの効率を低下してしまうとい
う問題があった。Therefore, conventionally, an oil-free type compressor has been used as the compressor 21, but since this oil-free type compressor has lower compression performance than an oil-lubricated type compressor, direct contact is required. There was a problem in that the efficiency of the refrigeration system was reduced.
本発明は、上記のような問題を解決したもので、圧縮機
において冷媒に混入した潤滑用オイルを確実に回収し、
圧縮機に返送することのできる直接接触式冷凍システム
を提供することを目的とする・。The present invention solves the above problems by reliably recovering the lubricating oil mixed into the refrigerant in the compressor, and
The purpose is to provide a direct contact refrigeration system that can be returned to the compressor.
［課題を解決するための手段］
本発明にかかわる直接接触式冷凍システムは、蒸発器内
に循環される作動流体内において、この作動流体に溶解
しない凝縮冷媒を直接蒸発させて、前記作動流体を冷却
するとともに、蒸発した冷媒を圧縮機で加圧した後、凝
縮器内で凝縮させ、凝縮冷媒とし、この凝縮冷媒を前記
蒸発器に再循環させる直接接触式冷凍システムにおいて
、前記蒸発器内における未蒸発の凝縮冷媒の一部を、前
記圧縮機で圧縮され高温状態の冷媒と熱交換させて蒸発
させ、これにより、冷媒中に溶解している前記圧縮機の
潤滑用オイルと冷媒とを分離し、分離された潤滑用オイ
ルを前記圧縮機に潤滑用オイルとして返送させるととも
に、分離された冷媒蒸気を前記圧縮機の冷媒人口側に供
給させるものである。[Means for Solving the Problems] A direct contact refrigeration system according to the present invention directly evaporates condensed refrigerant that does not dissolve in the working fluid that is circulated in the evaporator. In a direct contact refrigeration system in which the evaporated refrigerant is cooled and pressurized in a compressor, it is condensed in a condenser to become a condensed refrigerant, and this condensed refrigerant is recirculated to the evaporator. Part of the unevaporated condensed refrigerant is evaporated by exchanging heat with the high-temperature refrigerant compressed by the compressor, thereby separating the refrigerant from the lubricating oil of the compressor dissolved in the refrigerant. The separated lubricating oil is returned to the compressor as lubricating oil, and the separated refrigerant vapor is supplied to the refrigerant intake side of the compressor.
［作 用〕
本発明においては、蒸発器内における未蒸発の凝縮冷媒
の一部が、圧縮機で圧縮され高温状態の冷媒と熱交換さ
れて蒸発され、これにより１、冷媒中に溶解している圧
縮機の潤滑用オイルと冷媒とが分離され、分離された潤
滑用オイルが、圧縮機に潤滑用オイルとして返送され、
一方、分離された冷媒蒸気は、圧縮機の冷媒入口側に供
給される。[Function] In the present invention, a part of the unevaporated condensed refrigerant in the evaporator is compressed by the compressor, exchanges heat with the high-temperature refrigerant, and is evaporated. The lubricating oil and refrigerant of the compressor are separated, and the separated lubricating oil is returned to the compressor as lubricating oil.
On the other hand, the separated refrigerant vapor is supplied to the refrigerant inlet side of the compressor.
〔実施例］
以下、本発明の詳細を図面に示す一実施例について説明
する。[Example] Hereinafter, an example will be described in which details of the present invention are shown in the drawings.
第１図は、本発明の直接接触式冷凍システムの一実施例
を示すもので、図において符号３１は、蒸発器を示して
いる。FIG. 1 shows an embodiment of the direct contact refrigeration system of the present invention, and in the figure, reference numeral 31 indicates an evaporator.
この蒸発器３１内には、ポンプ３３および負荷３５を介
して、例えば、水からなる作動流体３７が循環されてい
る。A working fluid 37 made of water, for example, is circulated within the evaporator 31 via a pump 33 and a load 35 .
そして、この作動流体３７内において、作動流体３７に
溶解しない凝縮冷媒３９（例えば、Ｒ１１）が直接蒸発
されて、作動流体３７が冷却される。In this working fluid 37, condensed refrigerant 39 (for example, R11) that does not dissolve in the working fluid 37 is directly evaporated, and the working fluid 37 is cooled.
一方、蒸発した冷媒３９は、オイル潤滑式の圧縮機４１
で加圧された後、凝縮器４３内で凝縮され、凝縮冷媒３
９とされ、冷媒タンク４１に移送される。On the other hand, the evaporated refrigerant 39 is transferred to an oil-lubricated compressor 41.
After being pressurized in the condenser 43, the condensed refrigerant 3
9 and transferred to the refrigerant tank 41.
そして、冷媒タンク４１内の凝縮冷媒は、膨張弁４５を
介して蒸発器３１に再循環される。The condensed refrigerant in the refrigerant tank 41 is then recirculated to the evaporator 31 via the expansion valve 45.
しかして、この実施例では、圧縮機４１と凝縮器４３と
の間には、圧縮機４１において冷媒３９中に混入した潤
滑用オイルを分離するためのオイルセパレータ４７が配
置されている。Therefore, in this embodiment, an oil separator 47 is disposed between the compressor 41 and the condenser 43 to separate lubricating oil mixed into the refrigerant 39 in the compressor 41.
また、凝縮器４３と冷媒タンク４１との間には、蒸発器
３１内における未蒸発の凝縮冷媒３９の一部を、抜き出
しバルブ４９を介して導き、圧縮機４１で圧縮され高温
状態の冷媒３９と熱交換させて蒸発させるオイル回収用
熱交換器５１が配置されている。Further, between the condenser 43 and the refrigerant tank 41, a part of the unevaporated condensed refrigerant 39 in the evaporator 31 is guided through a extraction valve 49, and a part of the refrigerant 39 which is compressed by the compressor 41 and is in a high temperature state is introduced. A heat exchanger 51 for oil recovery is arranged to exchange heat with the oil and evaporate it.
このオイル回収用熱交換器５１において、冷媒３９中に
溶解している圧縮機４１の潤滑用オイル５２と冷媒３９
とが分離され、これ等は、オイルトラップ５３に導かれ
る。In this oil recovery heat exchanger 51, the lubricating oil 52 of the compressor 41 dissolved in the refrigerant 39 and the refrigerant 39
These are separated and guided to the oil trap 53.
そして、オイルトラップ５３内の潤滑用オイル５２は、
オイル戻り管５５に配置されるポンプ５７により、圧ｗ
ｉ機４１に潤滑用オイルとして返送される。The lubricating oil 52 in the oil trap 53 is
A pump 57 disposed in the oil return pipe 55 generates a pressure w.
It is returned to aircraft i 41 as lubricating oil.
一方、オイルトラップ５３内の冷媒３９蒸気は、配管５
９により圧縮機４１の冷媒３９人口側に移送される。On the other hand, the refrigerant 39 vapor in the oil trap 53 is transferred to the pipe 5
9, the refrigerant 39 of the compressor 41 is transferred to the population side.
なお、図において符号６１は、オイルセパレータ４７で
分離された潤滑用オイルをオイル戻り管５５に移送する
ポンプを示している。In the figure, reference numeral 61 indicates a pump that transfers the lubricating oil separated by the oil separator 47 to the oil return pipe 55.
以上のように構成された直接接触式冷凍システムでは、
蒸発器３１内に循環される作動流体３７内において、こ
の作動流体３７に溶解しない凝縮冷媒３９が直接蒸発さ
れて、作動流体３７が冷却される。In the direct contact refrigeration system configured as above,
In the working fluid 37 that is circulated in the evaporator 31, the condensed refrigerant 39 that does not dissolve in the working fluid 37 is directly evaporated to cool the working fluid 37.
そして、蒸発した冷媒３９は、圧縮機４１で加圧された
後、オイルセパレータ４７で潤滑用オイル５２の殆どを
分離され、この後、凝縮器４３内で凝縮され、凝縮冷媒
３９とされ、オイル回収用熱交換器５１．冷媒タンク４
１および膨張弁４５・を介して蒸発器３１に再循環され
る。After the evaporated refrigerant 39 is pressurized by the compressor 41, most of the lubricating oil 52 is separated by the oil separator 47, and then condensed in the condenser 43 to become the condensed refrigerant 39, and the oil Recovery heat exchanger 51. Refrigerant tank 4
1 and expansion valve 45 to the evaporator 31.
一方、蒸発器３１内における未蒸発の凝縮冷媒３９の一
部が、抜き出しバルブ４９を開とすることにより、オイ
ル回収用熱交換器５１に移送され、このオイル回収用熱
交換器５１において、圧縮機４１で圧縮され高温状態の
冷媒３９と熱交換されて蒸発され、これにより、冷媒３
９中に溶解している圧縮機４１の潤滑用オイル５２と冷
媒３９とが分離される。On the other hand, a part of the unevaporated condensed refrigerant 39 in the evaporator 31 is transferred to the oil recovery heat exchanger 51 by opening the extraction valve 49, and is compressed in the oil recovery heat exchanger 51. The refrigerant 39 is compressed by the compressor 41 and is evaporated by exchanging heat with the refrigerant 39 in a high temperature state.
The lubricating oil 52 of the compressor 41 and the refrigerant 39 dissolved in the refrigerant 9 are separated.
分離された潤滑用オイル５２と冷媒３９とは、オイルト
ラップ５３に回収され、潤滑用オイル５２は、ポンプ５
７によりオイル戻り管５５を通り、圧縮機４１に潤滑用
オイルとして返送される。The separated lubricating oil 52 and refrigerant 39 are collected in the oil trap 53, and the lubricating oil 52 is collected in the pump 5.
7, the oil passes through the oil return pipe 55 and is returned to the compressor 41 as lubricating oil.
一方、分離された冷媒３９蒸気は、配管５９を通り、圧
縮機４１の冷媒３９人口側に供給される。On the other hand, the separated refrigerant 39 vapor passes through a pipe 59 and is supplied to the refrigerant 39 population side of the compressor 41 .
しかして、以上のように構成された直接接触式冷凍シス
テムでは、蒸発器３１内における未蒸発の凝縮冷媒３９
の一部を、圧縮機４１で圧縮され高温状態の冷媒３９と
熱交換させて蒸発させ、これにより、冷媒３９中に溶解
している圧縮機４１の潤滑用オイル５２と冷媒３９とを
分離し、分離された潤滑用オイル５２を圧縮機４１に潤
滑用オイルとして返送させるとともに、分離された冷媒
３９蒸気を圧縮機４１の冷媒３９人口側に供給させるよ
うにしたので、圧縮機４１において冷媒３９に混入した
潤滑用オイル５２を確実に回収し、これを圧縮機４１に
返送することが可能となる。Therefore, in the direct contact refrigeration system configured as described above, the unevaporated condensed refrigerant 39 in the evaporator 31
A part of the refrigerant is evaporated by exchanging heat with the high-temperature refrigerant 39 compressed by the compressor 41, thereby separating the lubricating oil 52 of the compressor 41 dissolved in the refrigerant 39 from the refrigerant 39. The separated lubricating oil 52 is returned to the compressor 41 as lubricating oil, and the separated refrigerant 39 vapor is supplied to the refrigerant 39 side of the compressor 41. It becomes possible to reliably recover the lubricating oil 52 mixed into the compressor 41 and return it to the compressor 41.
従って、冷媒３９に潤滑用オイル５２が混入するオイル
潤滑式の圧縮機４１を使用することが可能となり、直接
接触式冷凍システムの効率を向上することができる。Therefore, it is possible to use an oil-lubricated compressor 41 in which the lubricating oil 52 is mixed in the refrigerant 39, and the efficiency of the direct contact refrigeration system can be improved.
すなわち、オイル潤滑式の圧縮機４１は、オイルフリー
式の圧縮機に比較して、冷媒３９ガスの吹き抜けが少な
く効率が良く、また、摺動部の晧耗が少ないため、メン
テナンスが容易で寿命が長いという大きな利点を有する
が、このオイル潤滑式の圧縮機４１を使用することが容
易に可能となる。In other words, compared to an oil-free compressor, the oil-lubricated compressor 41 is more efficient with less blow-through of the refrigerant 39 gas, and has less wear and tear on the sliding parts, making maintenance easier and having a longer service life. This oil-lubricated compressor 41, which has the great advantage of being long, can be easily used.
また、上述した直接接触式冷凍システムにおいて、冷媒
３９に、例えば、Ｒ−１１，Ｒ−１２゜Ｒ−２２等の冷
媒を使用し、作動流体３７に、例えば、水を使用するこ
とにより、蒸発器３１内において、タラスレートが生成
されるため、タラスレート生成システムとしても使用可
能である。Further, in the above-mentioned direct contact refrigeration system, by using a refrigerant such as R-11, R-12 or R-22 as the refrigerant 39 and using water as the working fluid 37, evaporation can be achieved. Since the Taras slate is generated in the vessel 31, it can also be used as a Taras slate generation system.
なお、以上述べた実施例では、凝縮器４３と冷媒タンク
４１との間にオイル回収用熱交換器５１を配置した例に
ついて述べたが、本発明は、かかる実施例に限定される
ものではなく、例えば、オイルセパレータ４７と凝縮器
４３との間にオイル回収用熱交換器を配置しても良いこ
とは勿論である。In addition, in the embodiment described above, an example was described in which the oil recovery heat exchanger 51 was arranged between the condenser 43 and the refrigerant tank 41, but the present invention is not limited to such an embodiment. Of course, for example, an oil recovery heat exchanger may be disposed between the oil separator 47 and the condenser 43.
以上述べたように、本発明によれば、蒸発器内における
未蒸発の凝縮冷媒の一部を、圧縮機で圧縮され高温状態
の冷媒と熱交換させて蒸発させ、これにより、冷媒中に
溶解している圧縮機の潤滑用オイルと冷媒とを分離し、
分離された潤滑用オイルを圧縮機に潤滑用オイルとして
返送させるとともに、分離された冷媒蒸気を圧縮機の冷
媒入口側に供給させるようにしたので、圧縮機において
冷媒に混入した潤滑用オイルを確実に回収し、これを圧
縮機に返送することができるという利点がある。As described above, according to the present invention, a part of the unevaporated condensed refrigerant in the evaporator is evaporated by exchanging heat with the high-temperature refrigerant compressed by the compressor, thereby dissolving it in the refrigerant. Separate the lubricating oil and refrigerant of the compressor
The separated lubricating oil is returned to the compressor as lubricating oil, and the separated refrigerant vapor is supplied to the refrigerant inlet side of the compressor, ensuring that the lubricating oil mixed with the refrigerant in the compressor is removed. This has the advantage that it can be recovered and returned to the compressor.
４３・・・凝縮器 ５１・・・オイル回収用熱交換器 ５２・・・潤滑用オイル。43... Condenser 51... Heat exchanger for oil recovery 52...Lubricating oil.
第１図は本発明の直接接触式冷凍システムの一実施例を
示す配管系統図である。
第２図は従来の直接接触式冷凍システムの一例を示す配
管系統図である。
〔主要な部分の符号の説明〕
３１・・・蒸発器
３７・・・作動流体
３９・・・冷媒
４１・・・圧縮機
第１ｒＩ！Ｊ
第２図FIG. 1 is a piping system diagram showing an embodiment of the direct contact refrigeration system of the present invention. FIG. 2 is a piping system diagram showing an example of a conventional direct contact refrigeration system. [Explanation of symbols of main parts] 31...Evaporator 37...Working fluid 39...Refrigerant 41...Compressor 1st rI! J Figure 2
Claims (1)
作動流体に溶解しない凝縮冷媒を直接蒸発させて、前記
作動流体を冷却するとともに、蒸発した冷媒を圧縮機で
加圧した後、凝縮器内で凝縮させ、凝縮冷媒とし、この
凝縮冷媒を前記蒸発器に再循環させる直接接触式冷凍シ
ステムにおいて、前記蒸発器内における未蒸発の凝縮冷
媒の一部を、前記圧縮機で圧縮され高温状態の冷媒と熱
交換させて蒸発させ、これにより、冷媒中に溶解してい
る前記圧縮機の潤滑用オイルと冷媒とを分離し、分離さ
れた潤滑用オイルを前記圧縮機に潤滑用オイルとして返
送させるとともに、分離された冷媒蒸気を前記圧縮機の
冷媒入口側に供給させることを特徴とする直接接触式冷
凍システム。(1) In the working fluid that is circulated in the evaporator, the condensed refrigerant that does not dissolve in the working fluid is directly evaporated to cool the working fluid, and the evaporated refrigerant is pressurized by a compressor and then condensed. In a direct contact refrigeration system in which the condensed refrigerant is condensed in the evaporator and recirculated to the evaporator, a part of the unevaporated condensed refrigerant in the evaporator is compressed by the compressor to a high temperature. The lubricating oil of the compressor dissolved in the refrigerant is thereby separated from the refrigerant, and the separated lubricating oil is supplied to the compressor as lubricating oil. A direct contact refrigeration system characterized in that the refrigerant vapor is returned and the separated refrigerant vapor is supplied to the refrigerant inlet side of the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4278689A JPH02219960A (en) | 1989-02-21 | 1989-02-21 | Direct contact type freezing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4278689A JPH02219960A (en) | 1989-02-21 | 1989-02-21 | Direct contact type freezing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02219960A true JPH02219960A (en) | 1990-09-03 |
Family
ID=12645647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4278689A Pending JPH02219960A (en) | 1989-02-21 | 1989-02-21 | Direct contact type freezing system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02219960A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008014533A (en) * | 2006-07-04 | 2008-01-24 | Ebara Corp | Oil recovering device of compression type refrigerating machine |
| WO2009017473A3 (en) * | 2007-07-27 | 2010-08-12 | Utc Power Corporation | Oil recovery from an evaporator of an organic rankine cycle (orc) system |
| FR2964412A1 (en) * | 2010-09-06 | 2012-03-09 | Coutier Moulage Gen Ind | Water vapor and oil separation device for loop used to recover energy from exhaust gas of internal combustion engine of motor vehicle, has impactor settler and cyclone respectively including reserves communicating with each other via siphon |
| CN103134242A (en) * | 2011-11-25 | 2013-06-05 | 财团法人工业技术研究院 | Liquid refrigerant recirculation device of shower evaporator and refrigerating system thereof |
| JP2013175514A (en) * | 2012-02-23 | 2013-09-05 | Tokyo Electron Ltd | Cooling system, substrate processing apparatus including cooling system, and cooling method |
| CN104697225A (en) * | 2015-03-10 | 2015-06-10 | 南京冷德节能科技有限公司 | Falling film type water-cooled screw low-temperature solution unit |
-
1989
- 1989-02-21 JP JP4278689A patent/JPH02219960A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008014533A (en) * | 2006-07-04 | 2008-01-24 | Ebara Corp | Oil recovering device of compression type refrigerating machine |
| WO2009017473A3 (en) * | 2007-07-27 | 2010-08-12 | Utc Power Corporation | Oil recovery from an evaporator of an organic rankine cycle (orc) system |
| CN101970808A (en) * | 2007-07-27 | 2011-02-09 | Utc电力公司 | Oil recovery from an evaporator of an organic rankine cycle (orc) system |
| US8769952B2 (en) | 2007-07-27 | 2014-07-08 | United Technologies Corporation | Oil recovery from an evaporator of an organic rankine cycle (ORC) system |
| FR2964412A1 (en) * | 2010-09-06 | 2012-03-09 | Coutier Moulage Gen Ind | Water vapor and oil separation device for loop used to recover energy from exhaust gas of internal combustion engine of motor vehicle, has impactor settler and cyclone respectively including reserves communicating with each other via siphon |
| CN103134242A (en) * | 2011-11-25 | 2013-06-05 | 财团法人工业技术研究院 | Liquid refrigerant recirculation device of shower evaporator and refrigerating system thereof |
| JP2013175514A (en) * | 2012-02-23 | 2013-09-05 | Tokyo Electron Ltd | Cooling system, substrate processing apparatus including cooling system, and cooling method |
| CN104697225A (en) * | 2015-03-10 | 2015-06-10 | 南京冷德节能科技有限公司 | Falling film type water-cooled screw low-temperature solution unit |
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