JPH01139677A - Working medium mixture - Google Patents
Working medium mixtureInfo
- Publication number
- JPH01139677A JPH01139677A JP62296180A JP29618087A JPH01139677A JP H01139677 A JPH01139677 A JP H01139677A JP 62296180 A JP62296180 A JP 62296180A JP 29618087 A JP29618087 A JP 29618087A JP H01139677 A JPH01139677 A JP H01139677A
- Authority
- JP
- Japan
- Prior art keywords
- working medium
- medium mixture
- temperature
- hydrocarbons
- butane
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 23
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 claims abstract description 16
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims abstract description 15
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 11
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 11
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 claims abstract description 10
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims abstract description 10
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 claims abstract description 9
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001282 iso-butane Substances 0.000 claims abstract description 8
- PMPVIKIVABFJJI-UHFFFAOYSA-N Cyclobutane Chemical compound C1CCC1 PMPVIKIVABFJJI-UHFFFAOYSA-N 0.000 claims abstract description 7
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004338 Dichlorodifluoromethane Substances 0.000 claims abstract description 6
- 235000019404 dichlorodifluoromethane Nutrition 0.000 claims abstract description 6
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 14
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 description 13
- 230000008020 evaporation Effects 0.000 description 13
- 238000004781 supercooling Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 7
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 210000003127 knee Anatomy 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- -1 impentane Chemical compound 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- CRSOQBOWXPBRES-UHFFFAOYSA-N neopentane Chemical compound CC(C)(C)C CRSOQBOWXPBRES-UHFFFAOYSA-N 0.000 description 2
- QMMOXUPEWRXHJS-UHFFFAOYSA-N pentene-2 Natural products CCC=CC QMMOXUPEWRXHJS-UHFFFAOYSA-N 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- CZHYKKAKFWLGJO-UHFFFAOYSA-N dimethyl phosphite Chemical compound COP([O-])OC CZHYKKAKFWLGJO-UHFFFAOYSA-N 0.000 description 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 1
- KUMNEOGIHFCNQW-UHFFFAOYSA-N diphenyl phosphite Chemical compound C=1C=CC=CC=1OP([O-])OC1=CC=CC=C1 KUMNEOGIHFCNQW-UHFFFAOYSA-N 0.000 description 1
- NFORZJQPTUSMRL-UHFFFAOYSA-N dipropan-2-yl hydrogen phosphite Chemical compound CC(C)OP(O)OC(C)C NFORZJQPTUSMRL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- WSANLGASBHUYGD-UHFFFAOYSA-N sulfidophosphanium Chemical class S=[PH3] WSANLGASBHUYGD-UHFFFAOYSA-N 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- KTFAZNVGJUIWJM-UHFFFAOYSA-N trimethyl(sulfanylidene)-$l^{5}-phosphane Chemical compound CP(C)(C)=S KTFAZNVGJUIWJM-UHFFFAOYSA-N 0.000 description 1
- IKXFIBBKEARMLL-UHFFFAOYSA-N triphenoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=S)OC1=CC=CC=C1 IKXFIBBKEARMLL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、冷凍機、ヒートポンプ等に使用し得る新規な
作動媒体混合物に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a novel working medium mixture that can be used in refrigerators, heat pumps, etc.
［従来の技術］
空調、冷凍および冷蔵機器（冷凍サイクル・ヒートポン
プサイクル）、廃熱回収発電（ランキンサイクル）、熱
交換機器（ヒートパイプ）等が実用化ないし試験開発さ
れている。これらの機器に用いる作動媒体には、水をは
じめプロパンやブタン等の炭化水素類、トリクロロフロ
オロメタン（Ｒ１１）や、クロロジフロオロメタン（Ｒ
２２）等のフロン類、又はアンモニア等が知られている
。[Prior Art] Air conditioning, freezing and refrigeration equipment (refrigeration cycle/heat pump cycle), waste heat recovery power generation (Rankine cycle), heat exchange equipment (heat pipe), etc. have been put into practical use or tested and developed. Working media used in these devices include water, hydrocarbons such as propane and butane, trichlorofluoromethane (R11), and chlorodifluoromethane (R11).
CFCs such as 22) or ammonia are known.
［発明の解決しようとする問題点］
フロンは毒性が少なく、非可燃性で化学的にも安定であ
り、標準沸点の異なる各種フロンが容易に入手できるこ
とから、作動媒体としての評価研究が活発に行なわれて
いる０本発明は、熱回収効率、特に、冷凍庫、冷蔵庫、
冷暖房機器、給湯機器あるいは廃熱回収を目的としたヒ
ートポンプシステムの効率か高いフロン類を新規に提供
するものである。[Problems to be solved by the invention] Freon has low toxicity, is non-flammable, and is chemically stable, and various types of fluorocarbons with different standard boiling points are easily available, so evaluation research as a working medium has been actively conducted. The present invention has been carried out to improve heat recovery efficiency, especially for freezers, refrigerators,
This new product provides highly efficient fluorocarbons for heating and cooling equipment, hot water supply equipment, and heat pump systems for the purpose of waste heat recovery.
［問題点を解決するための手段］
本発明は炭素数４〜５の炭化水素類の中から選ばれる少
なくとも１種とジクロロジフルオロメタン（以下Ｒ１２
と略す）及び１．１−ジフルオロエタン（以下旧５２ａ
と略す）とを必須成分とすることを特徴とする作動媒体
混合物に関するものである。[Means for solving the problems] The present invention provides at least one hydrocarbon selected from hydrocarbons having 4 to 5 carbon atoms and dichlorodifluoromethane (hereinafter R12
) and 1,1-difluoroethane (hereinafter referred to as old 52a)
This invention relates to a working medium mixture characterized in that it contains as an essential component.
本発明におけるＲ１２とＲ１５２ａの混合割合としては
１：９９〜９９：１の範囲内であればどのような組成で
もよいが、特にＲ１２が７３．８重量％、Ｒ１５２ａが
２６．２重量％である共沸混合物（以下Ｒ５００と略す
）が好ましい。また、本発明における炭素数４〜５の炭
化水素類としては、ｎ−ブタン、イソブタン、シクロブ
タン、１−ブテン、２−ブテン、イソブチレン、ｎ−ペ
ンタン、イソペンタン、ネオペンタン、シクロペンタン
、ｌ−ペンテン、２−ペンテン、シクロペンテンなどが
例示されるが、特に飽和炭化水素であるｎ−ブタン、イ
ソブタン、シクロブタン、ｎ−ペンタン、イソペンタン
、シクロペンタンか特に有効である。以下の説明におい
ては、Ｒ５００とｎ−ブタン、イソブタン、シクロブタ
ン、ｎ−ペンタン、インペンタンおよびシクロペンタン
を混合使用する例を示す。The mixing ratio of R12 and R152a in the present invention may be any composition within the range of 1:99 to 99:1, but in particular R12 is 73.8% by weight and R152a is 26.2% by weight. An azeotrope (hereinafter abbreviated as R500) is preferred. Further, as the hydrocarbons having 4 to 5 carbon atoms in the present invention, n-butane, isobutane, cyclobutane, 1-butene, 2-butene, isobutylene, n-pentane, isopentane, neopentane, cyclopentane, l-pentene, Examples include 2-pentene and cyclopentene, but saturated hydrocarbons such as n-butane, isobutane, cyclobutane, n-pentane, isopentane, and cyclopentane are particularly effective. In the following description, an example will be shown in which R500 is mixed with n-butane, isobutane, cyclobutane, n-pentane, impentane, and cyclopentane.
以下、本発明の作動媒体混合物（以下単に作動媒体とい
うことがある。）を用いた冷凍サイクルシステムのフロ
ーシートを示す第１図に従って本発明の詳細な説明する
。第１図の１は圧縮機、２は凝縮器、３．３′は負荷流
体用配管、４は減圧装置、５は蒸発器、６，６′は熱源
流体用配管を示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to FIG. 1, which shows a flow sheet of a refrigeration cycle system using the working medium mixture of the present invention (hereinafter sometimes simply referred to as working medium). In FIG. 1, 1 is a compressor, 2 is a condenser, 3 and 3' are load fluid pipes, 4 is a pressure reducing device, 5 is an evaporator, and 6 and 6' are heat source fluid pipes.
第１図に示す冷凍サイクルシステムにおいて作動媒体は
圧縮機１で圧縮された後、凝縮器２に導かれ、該凝縮器
２中で管３より導入される負荷流体により冷却されて凝
縮する。一方、負荷流体は凝縮器２中で逆に加熱され管
３゛を経て負荷加熱に供される。つぎに凝縮した作動媒
体は減圧装置４により減圧された後、蒸発器５に導かれ
、該蒸発器５中で管６より導入され管６°から排出され
る熱源流体により加熱された後、再び圧縮機ｌに吸引さ
れ上記のサイクルを繰り返す。一方、熱源流体は蒸発器
５中で逆に冷却され、管６′を経て冷却に供される。In the refrigeration cycle system shown in FIG. 1, a working medium is compressed by a compressor 1 and then led to a condenser 2, where it is cooled and condensed by a load fluid introduced through a pipe 3. On the other hand, the load fluid is reversely heated in the condenser 2 and passed through the pipe 3' for load heating. Next, the condensed working medium is depressurized by the pressure reducing device 4, and then led to the evaporator 5. In the evaporator 5, it is heated by the heat source fluid introduced from the pipe 6 and discharged from the pipe 6°, and then heated again. It is sucked into the compressor 1 and the above cycle is repeated. On the other hand, the heat source fluid is reversely cooled in the evaporator 5 and is provided for cooling through the tube 6'.
第２図および第３図は第１図に示す冷凍サイクルシステ
ムにおける作動媒体混合物のサイクルを圧力−エンタル
ピー線図上に記入したものである。作動媒体の飽和蒸気
を断熱圧縮した場合、湿り状態になるものを第２図に、
乾き状態になるものを第３図に示す。2 and 3 are pressure-enthalpy diagrams showing the cycles of the working medium mixture in the refrigeration cycle system shown in FIG. 1. Figure 2 shows what becomes wet when the working medium, saturated steam, is compressed adiabatically.
Figure 3 shows what is in a dry state.
第１図の圧縮機による作動媒体の変化は第２図および第
３図の符合８から９あるいは１３から１４の変化に、凝
縮器による作動媒体の変化は９→ｌＯ→１１あるいは１
４→１５→１６→１７の変化に、減圧装置による作動媒
体の変化は１１から１２あるいは１７から１８の変化に
、蒸発器による作動媒体の変化は１２から８あるいは１
８から１３の変化にそれぞれ対応する。The change in the working medium due to the compressor in Figure 1 is the change from 8 to 9 or 13 to 14 in Figures 2 and 3, and the change in the working medium due to the condenser is 9→lO→11 or 1.
The change in working medium due to the pressure reducing device is from 11 to 12 or from 17 to 18, and the change in working medium due to the evaporator is from 12 to 8 or 1.
This corresponds to the change from 8 to 13, respectively.
本発明の作動媒体混合物を用いた第１図の冷凍サイクル
システムの運転条件として蒸発器における作動媒体の蒸
発路り温度（符合７あるいは１３の温度。以下、蒸発温
度という）と凝縮器における作動媒体の凝縮器めの温度
（符合９あるいは１５の温度。以下、凝縮温度という）
を設定した。第１表から第１２表に本発明の作動媒体混
合物を用いた上記の冷凍サイクルシステムにおける成績
係数および圧縮機単位容積当りの冷凍能力を比較例とと
もに記す。The operating conditions of the refrigeration cycle system shown in FIG. 1 using the working medium mixture of the present invention are the evaporation path temperature of the working medium in the evaporator (temperature of code 7 or 13, hereinafter referred to as evaporation temperature) and the working medium in the condenser. temperature of the condenser (temperature with code 9 or 15; hereinafter referred to as condensing temperature)
It was set. Tables 1 to 12 show the coefficient of performance and refrigeration capacity per unit volume of the compressor in the above refrigeration cycle system using the working medium mixture of the present invention, along with comparative examples.
表から理解されるように炭素数４〜５の炭化水素類、特
にｎ−ブタン、イソブタン、シクロブタン、ｎ−ペンタ
ン、イソペンタン、シクロペンタンの中から選ばれる少
なくとも１種と１５００とを必須成分とする本発明の作
動媒体混合物は、Ｒ５００を単独で用いた場合に比べ大
きく改善することができ、特にＲ５００の組成が２０モ
ル％前後となる作動媒体混合物はＲ５００ｇよびｎ−ブ
タン、イソブタン、シクロブタン、ｎ−ペンタン、イン
ペンタン、シクロペンタンをそれぞれ単独て用いた場合
に比べ大きく改善されていることかわかる。本発明の作
動媒体混合物の１構成酸分である炭素数４〜５の炭化水
素類はＲ５００に比べ成績係数が高いものの圧縮機単位
容積当りの冷凍能力が低い、可燃性であるという欠点を
有している。一方、Ｒ５００は炭素数４〜５の炭化水素
類に比べ成績係数が低いという欠点を有しているものの
、圧縮機単位容積当りの冷凍能力が高いとともに非可燃
性であるという長所を有しており、本発明の作動媒体混
合物を用いることにより、各々の欠点を改善し、かつ長
所を生かすことができ、極めて有効であるこζがわかる
。As understood from the table, the essential components are at least one selected from hydrocarbons having 4 to 5 carbon atoms, particularly n-butane, isobutane, cyclobutane, n-pentane, isopentane, and cyclopentane, and 1500 The working medium mixture of the present invention can be greatly improved compared to the case where R500 is used alone, and in particular, the working medium mixture in which the composition of R500 is around 20 mol% is R500g, n-butane, isobutane, cyclobutane, n-butane, isobutane, n-butane, etc. - It can be seen that the results are greatly improved compared to when pentane, impentane, and cyclopentane were used alone. Hydrocarbons having 4 to 5 carbon atoms, which are one of the acid components of the working fluid mixture of the present invention, have a higher coefficient of performance than R500, but have the drawbacks of low refrigerating capacity per unit volume of the compressor and being flammable. are doing. On the other hand, although R500 has the disadvantage of a lower coefficient of performance than hydrocarbons with 4 to 5 carbon atoms, it has the advantage of having a high refrigerating capacity per unit volume of the compressor and being non-flammable. Therefore, it can be seen that by using the working medium mixture of the present invention, each of the disadvantages can be improved and the advantages can be utilized, and it is extremely effective.
本発明の作動媒体混合物は°低温〜高温分野の空調、冷
凍および冷蔵を目的とし冷凍サイクルの応用する場合に
特に有効であるが、ランキンサイクルなどのその他各種
の熱回収技術の作動媒体としても使用することもでき−
る。本発明の作動媒体混合物は熱安定性が優れており、
通常の使用条件においては安定剤を必要としないか、苛
酷な使用条件のため熱安定性の向上が必要な場合には、
ジメチルホスファイト、ジイソプロピルホスファイト、
ジフェニルホスファイト等のホスファイト系化合物、ま
たはチオホスファイト系化合物、あるいはトリフエノキ
シホスフィンサルファイド、トリメチルホスフィンサル
ファイド等のホスフィンサルファイド系化合物、その他
のグリシジルエーテル類等の安定剤を作動媒体１００重
量部に対し、１重量部前後の少量添加すればよい。The working medium mixture of the present invention is particularly effective in refrigeration cycle applications for air conditioning, refrigeration and refrigeration in low to high temperature fields, but can also be used as a working medium in various other heat recovery technologies such as the Rankine cycle. You can also
Ru. The working medium mixture of the invention has excellent thermal stability;
If stabilizers are not required under normal conditions of use, or if improved thermal stability is required due to severe conditions of use,
dimethyl phosphite, diisopropyl phosphite,
Stabilizers such as phosphite compounds such as diphenyl phosphite, thiophosphite compounds, phosphine sulfide compounds such as triphenoxyphosphine sulfide and trimethylphosphine sulfide, and other glycidyl ethers are added to 100 parts by weight of the working medium. On the other hand, it is sufficient to add a small amount of about 1 part by weight.
第１表（蒸発温度二〇℃、凝縮温度：６０℃、過冷却度
二〇℃）第２表（ノベ発温度ニー２０°Ｃ１凝縮温度＝
４０℃、過冷却度：Ｏ’Ｃ）第３表（蒸発温度二〇℃、
凝温度度＝６０°Ｃ９過冷却度：０°Ｃ）第４表（蒸発
温度ニー２０°Ｃ１凝縮温度：４０℃、過冷却度＝θ℃
）第５表（蒸発温度二〇℃、凝縮温度：６０”Ｃ，過冷
却度：ｏ’ｃ）第６表（蒸発温度ニー２０°Ｃ１凝縮温
度：４０’Ｃ，過冷却度二〇″Ｃ）第７表（蒸発温度：
０°ｃ、！２縮温度：６０’Ｃ，過冷却度：ｏ′ｃ）第
８表（蒸発温度ニー２０℃、凝縮温度：４０°Ｃ９過冷
却度二〇℃）第９表（蒸発温度二〇℃、凝縮温度：６０
℃、過冷却度：０°Ｃ）第１０表（蒸発温度ニー２０°
Ｃ２髪縮温度＝４０℃、過冷却度＝θ℃）第１１表（蒸
発温度：０℃、凝縮温度：６０’Ｃ，過冷却度：０’Ｃ
）第１２表（蒸発温度ニー２０℃、凝縮温度＝４０°Ｃ
９４０°Ｃ９過冷却）［発明の効果］
本発明の作動媒体混合物は、特に冷凍サイクル効率すな
わち冷凍、加熱効率に優れ、ジクロロジフルオロメタン
および１，１−ジフルオロエタン混合物に比し、大幅な
改善が認められる。Table 1 (Evaporation temperature 20°C, Condensation temperature: 60°C, Supercooling degree 20°C) Table 2 (Novel temperature knee 20°C1 Condensing temperature =
40℃, degree of supercooling: O'C) Table 3 (Evaporation temperature 20℃,
Condensing temperature = 60°C9 Supercooling degree: 0°C) Table 4 (Evaporation temperature knee 20°C1 Condensing temperature: 40°C, Supercooling degree = θ°C
) Table 5 (Evaporation temperature 20°C, Condensing temperature: 60"C, Degree of supercooling: o'c) Table 6 (Evaporation temperature knee 20°C 1 Condensing temperature: 40'C, Degree of supercooling 20"C ) Table 7 (Evaporation temperature:
0°c! 2 Condensation temperature: 60'C, degree of supercooling: o'c) Table 8 (Evaporation temperature: 20 °C, condensation temperature: 40 °C9 Degree of supercooling: 20 °C) Table 9 (Evaporation temperature: 20 °C, condensation Temperature: 60
℃, degree of supercooling: 0°C) Table 10 (Evaporation temperature knee 20°
C2 hair curling temperature = 40°C, degree of supercooling = θ°C) Table 11 (Evaporation temperature: 0°C, condensation temperature: 60'C, degree of supercooling: 0'C
) Table 12 (Evaporation temperature: 20°C, condensation temperature: 40°C
940°C9 supercooling) [Effects of the Invention] The working medium mixture of the present invention is particularly excellent in refrigeration cycle efficiency, that is, freezing and heating efficiency, and a significant improvement has been observed compared to dichlorodifluoromethane and 1,1-difluoroethane mixtures. It will be done.
第１図は本発明の１実施例を説明するための冷凍サイク
ルのフローシート、第２図および第３図は本発明の作動
媒体混合物を作動媒体として用いたサイクルを圧力−エ
ンタルピー線図に記入した図である。
代叩人（弁ｉ、＋ｆｆ、ｒ） 半巻４：り手＄ １
図。
第 ２ 団 ＠３ 図Fig. 1 is a flow sheet of a refrigeration cycle for explaining one embodiment of the present invention, and Figs. 2 and 3 are pressure-enthalpy diagrams of cycles using the working medium mixture of the present invention as the working medium. This is a diagram. Substitute hitter (ben i, +ff, r) Half volume 4: Rite $ 1
figure. 2nd group @3 figure
Claims (1)
とも１種とジクロロジフルオロメタン及び１，１−ジフ
ルオロエタンとを必須成分とすることを特徴とする作動
媒体混合物。 ２、炭素数４〜５の炭化水素類が、ｎ−ブタン、イソブ
タン、シクロブタン、ｎ−ペンタン、イソペンタン、シ
クロペンタンである特許請求の範囲第１項記載の作動媒
体混合物。 ３、ジクロロジフルオロメタンと１，１−ジフルオロエ
タンの混合重量比が７３．８：２６．２である特許請求
の範囲第１項記載の作動媒体混合 物。[Scope of Claims] 1. A working medium mixture characterized in that the essential components are at least one selected from hydrocarbons having 4 to 5 carbon atoms, dichlorodifluoromethane, and 1,1-difluoroethane. 2. The working medium mixture according to claim 1, wherein the hydrocarbon having 4 to 5 carbon atoms is n-butane, isobutane, cyclobutane, n-pentane, isopentane, or cyclopentane. 3. The working medium mixture according to claim 1, wherein the mixing weight ratio of dichlorodifluoromethane and 1,1-difluoroethane is 73.8:26.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62296180A JPH01139677A (en) | 1987-11-26 | 1987-11-26 | Working medium mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62296180A JPH01139677A (en) | 1987-11-26 | 1987-11-26 | Working medium mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139677A true JPH01139677A (en) | 1989-06-01 |
Family
ID=17830199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62296180A Pending JPH01139677A (en) | 1987-11-26 | 1987-11-26 | Working medium mixture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139677A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463518A (en) * | 1987-04-20 | 1995-10-31 | Hitachi, Ltd. | Magnetic head and magnetic recording and reproducing apparatus using a superconducting quantum interference device |
| EP0761796A1 (en) * | 1994-04-27 | 1997-03-12 | Sovmestnoe Predpriyatie "Inertek" | Working mixture for refrigeration machinery |
| KR100439277B1 (en) * | 2000-09-06 | 2004-07-07 | 에이씨엠텍(주) | The composition of refrigerant mixtures for low back pressure condition |
| US6902686B2 (en) | 2003-09-05 | 2005-06-07 | A.S. Trust & Holdings Inc. | Hydrocarbon composition, and refrigerant and detergent consisting thereof |
-
1987
- 1987-11-26 JP JP62296180A patent/JPH01139677A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463518A (en) * | 1987-04-20 | 1995-10-31 | Hitachi, Ltd. | Magnetic head and magnetic recording and reproducing apparatus using a superconducting quantum interference device |
| EP0761796A1 (en) * | 1994-04-27 | 1997-03-12 | Sovmestnoe Predpriyatie "Inertek" | Working mixture for refrigeration machinery |
| EP0761796A4 (en) * | 1994-04-27 | 1997-03-20 | Inertek Sp | Working mixture for refrigeration machinery |
| KR100439277B1 (en) * | 2000-09-06 | 2004-07-07 | 에이씨엠텍(주) | The composition of refrigerant mixtures for low back pressure condition |
| US6902686B2 (en) | 2003-09-05 | 2005-06-07 | A.S. Trust & Holdings Inc. | Hydrocarbon composition, and refrigerant and detergent consisting thereof |
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