JPS5879078A - Azeotropic composition - Google Patents
Azeotropic compositionInfo
- Publication number
- JPS5879078A JPS5879078A JP56177550A JP17755081A JPS5879078A JP S5879078 A JPS5879078 A JP S5879078A JP 56177550 A JP56177550 A JP 56177550A JP 17755081 A JP17755081 A JP 17755081A JP S5879078 A JPS5879078 A JP S5879078A
- Authority
- JP
- Japan
- Prior art keywords
- azeotropic composition
- liquid phase
- composition
- temperature
- tetrafluoro
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は新規な共沸組成物、特に１．１．１．２−テト
ラフルオ０−２−り００エタン及びバーフルオ０シク０
ブタンから成る共沸組成物に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides novel azeotropic compositions, particularly 1.1.1.2-tetrafluoro-2-ethane and barfluoro-ethane.
It relates to azeotropic compositions consisting of butane.
一般に、沸点の異なる二種の化合物の混合物は、蒸発す
るとその混合比が変化する。即ち、液相と気相の混合比
が異なる。Generally, when a mixture of two compounds having different boiling points evaporates, the mixing ratio thereof changes. That is, the mixing ratio of the liquid phase and gas phase is different.
密閉されたパイプ中に媒体を封入し蒸発、凝縮により熱
エネル乎−を伝達するときに、媒体として沸点の異なる
二種の化合物の混合物を用いると、液相と気相の混合比
が興なるため蒸発と凝縮の過程に不平衡が生じ熱エネル
ｆ−の移動速度が小さくなる。If a mixture of two compounds with different boiling points is used as the medium when enclosing a medium in a sealed pipe and transmitting heat energy through evaporation and condensation, the mixing ratio of the liquid phase and the gas phase will change. Therefore, an imbalance occurs in the process of evaporation and condensation, and the transfer speed of heat energy f- decreases.
本発萌者は、１． Ｉ、 Ｉ、 ２−テトラフルオｏ−
２−り００エタ：Ｊ（以下、フロン−１２４という）と
バーフルオ０シク０プタシ（以下、）０ンＣ−３１８と
いう）の混合物において、その混合比を変化させたとき
の液相と気相の組成を分析した結果１フ０：／−１２４
６６，０重量％及び”） Ｏ：ｉ Ｃ−３１８３４，０
重量％の混合比のときは、液相と気相の組成が同じであ
り、共沸していることを見出し、本発明を完成した。The person who started this project is 1. I, I, 2-tetrafluoro-
Liquid phase and gas phase when the mixing ratio is changed in a mixture of 2-ri00eta:J (hereinafter referred to as Freon-124) and Verfluoro0cyc0ptasi (hereinafter referred to as )0nC-318) As a result of analyzing the composition of 1f0:/-124
66,0% by weight and ") O:i C-31834,0
It was discovered that when the mixing ratio is % by weight, the liquid phase and gas phase have the same composition and are azeotropic, and the present invention was completed.
即ち、本発明はフ［ｌン−１２４６６，０１１に％及び
）０ンＣ−３１８３４，０重量％から成る共沸組成物に
係る。That is, the present invention relates to an azeotropic composition consisting of 0% by weight of 12466,011 and 0% by weight of 0nC-31834.
ここにフロン−１２４の沸点は−１２，０℃であり、フ
ロンＣ−３１８の沸点は−５，９°Ｃである。Here, the boiling point of Freon-124 is -12.0°C, and the boiling point of Freon C-318 is -5.9°C.
また、上記本発明の共沸組成物の沸点は−１３，０℃で
ある。Further, the boiling point of the azeotropic composition of the present invention is -13.0°C.
７０ｙ−１２４と７０：ＪＣ−３１８の種々の比率の混
合物を密閉されたパイプ中に封入しその熱伝達量及びパ
イプの温度を測定した結果、共沸組成比の混合物が熱伝
達量が最も大きく且つパイプの加熱部と受熱部との温度
差が最も小さかった。As a result of sealing mixtures of 70y-124 and 70:JC-318 in various ratios in a sealed pipe and measuring the amount of heat transfer and the temperature of the pipe, it was found that the mixture with an azeotropic composition ratio had the largest amount of heat transfer. Moreover, the temperature difference between the heating section and the heat receiving section of the pipe was the smallest.
即ち、熱エネルｆ−の伝達効率が最も良い。That is, the transfer efficiency of heat energy f- is the best.
上記の如き特性を有する本発明の共沸組成物は、例えば
下記の様な用途に用いることができる。The azeotropic composition of the present invention having the above characteristics can be used, for example, in the following applications.
＜１） 蒸発冷却用媒体 （２）シートパイプ用媒体 （３）２）；冷媒 （４）動作流体 以下、実験例を挙げて本発明を更に具体的に説明する。<1) Evaporative cooling medium (2) Media for sheet pipe (3)2); Refrigerant (4) Working fluid Hereinafter, the present invention will be explained in more detail with reference to experimental examples.
実験例１
フ０ン−１２４及びフＯｐ’−３１８の５種の配合比の
混合物について液相と気相の組成を分析した結果を第１
表に示す。この表から明らかな様にＡ３では、液相と気
相の組成が同一である。Experimental Example 1 The results of analyzing the composition of the liquid phase and gas phase for mixtures of 5 types of blending ratios of Op'-124 and Op'-318 are shown in the first example.
Shown in the table. As is clear from this table, in A3, the liquid phase and gas phase have the same composition.
実験例２
熱伝達バイづの加熱量と媒体温度を第１図に示す装置を
用いて測定した。即ち、第１図において、密閉された鋼
管（１）の発熱部をウレタン発泡体（断熱材）（２）で
被覆し、し−ター（３）により液相（５）を加熱し、液
相（５）と気相（４）の温度を温度ｔ：、ＩサーＡ１Ｂ
及びＣにより測定する。実験例１の試料Ａ１〜５につい
て、０部の液相を６０℃に保持するのに要するし一ター
への加熱量（Ｗｋｒ、） （電気的負荷量）を測定す
ると共に、Ａ部とＢ部の気相の温度を測定した。外気温
が２５°Ｃのときの結果を第２表に示す。表から明らか
な様にＡ３では、し−ター加熱量が最も大きく且つＡ部
の温度が最も高い。Experimental Example 2 The heating amount of the heat transfer tube and the medium temperature were measured using the apparatus shown in FIG. That is, in Fig. 1, the heat generating part of the sealed steel pipe (1) is covered with urethane foam (insulating material) (2), and the liquid phase (5) is heated by the shielder (3), and the liquid phase (5) and the temperature of the gas phase (4) as temperature t:, ItherA1B
and C. For samples A1 to A5 of Experimental Example 1, the amount of heating (Wkr) (electrical load) required to maintain 0 part of the liquid phase at 60°C was measured, and The temperature of the gas phase was measured. Table 2 shows the results when the outside temperature was 25°C. As is clear from the table, in A3, the amount of heater heating is the largest and the temperature of part A is the highest.
尚、本実験例に於いては、パイプ内が加圧状態となって
いるが、Ａ部３の加熱量が最も大きいことから、この場
合の共沸物の組成が殆んど変化していないことが判る。In addition, in this experimental example, the inside of the pipe is under pressure, but since the amount of heating in part A 3 is the largest, the composition of the azeotrope in this case has hardly changed. I understand that.
第２表Table 2
第１図は、実験例２で用いた温度ｆｓ達装置の断面の概
略を示したものである。（１）〜（５）及びＡ、Ｃは、
下記のものを示す。
（１）・・・銅管 （２）・・・ウレタン発泡体（断熱
材）（３）・・・し−ター （４）・・・気相（５）・
・・液相 Ａ、 Ｂ、 Ｃ・・・温度センサー（以
上）FIG. 1 shows a schematic cross-section of the temperature fs reaching device used in Experimental Example 2. (1) to (5) and A, C are
The following are shown. (1)...Copper pipe (2)...Urethane foam (insulating material) (3)...Shi-tar (4)...Gas phase (5)
...Liquid phase A, B, C...Temperature sensor (and above)
Claims (1)
０Ｉタシ６６．０重量％及びバーフルオ０シク０づタン
３４．０重量％から成る共沸組成物。(i) 1.1.1.2-4 TO 5 LO 0-2-10
An azeotropic composition consisting of 66.0% by weight of 0I and 34.0% by weight of Barfluoro.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56177550A JPS5851031B2 (en) | 1981-11-04 | 1981-11-04 | azeotropic composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56177550A JPS5851031B2 (en) | 1981-11-04 | 1981-11-04 | azeotropic composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5879078A true JPS5879078A (en) | 1983-05-12 |
| JPS5851031B2 JPS5851031B2 (en) | 1983-11-14 |
Family
ID=16032905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56177550A Expired JPS5851031B2 (en) | 1981-11-04 | 1981-11-04 | azeotropic composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5851031B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4971716A (en) * | 1989-10-23 | 1990-11-20 | Allied-Signal Inc. | Azeotrope-like compositions of octafluorocyclobutane and ethylene oxide |
| EP0407620A1 (en) * | 1989-02-02 | 1991-01-16 | The Furukawa Electric Co., Ltd. | Electric insulation type heat pipe cooler |
| WO1994023091A1 (en) * | 1993-04-01 | 1994-10-13 | Minnesota Mining And Manufacturing Company | Azeotropic compositions containing perfluorinated cycloaminoether |
-
1981
- 1981-11-04 JP JP56177550A patent/JPS5851031B2/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0407620A1 (en) * | 1989-02-02 | 1991-01-16 | The Furukawa Electric Co., Ltd. | Electric insulation type heat pipe cooler |
| US4971716A (en) * | 1989-10-23 | 1990-11-20 | Allied-Signal Inc. | Azeotrope-like compositions of octafluorocyclobutane and ethylene oxide |
| WO1994023091A1 (en) * | 1993-04-01 | 1994-10-13 | Minnesota Mining And Manufacturing Company | Azeotropic compositions containing perfluorinated cycloaminoether |
| US5401429A (en) * | 1993-04-01 | 1995-03-28 | Minnesota Mining And Manufacturing Company | Azeotropic compositions containing perfluorinated cycloaminoether |
| US5484489A (en) * | 1993-04-01 | 1996-01-16 | Minnesota Mining And Manufacturing Company | Azeotropic compositions containing perfluorinated cycloaminoether |
| US5744436A (en) * | 1993-04-01 | 1998-04-28 | Minnesota Mining And Manufacturing Company | Azeotropic compositions containing perfluorinated cycloaminoether |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5851031B2 (en) | 1983-11-14 |
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