DE362386C - Cooling process in which the coolant used is a mixture of hydrocarbon gases from different series of hydrocarbons with a boiling point below 20 ?? lies - Google Patents

Cooling process in which the coolant used is a mixture of hydrocarbon gases from different series of hydrocarbons with a boiling point below 20 ?? lies

Info

Publication number
DE362386C
DE362386C DES53640D DES0053640D DE362386C DE 362386 C DE362386 C DE 362386C DE S53640 D DES53640 D DE S53640D DE S0053640 D DES0053640 D DE S0053640D DE 362386 C DE362386 C DE 362386C
Authority
DE
Germany
Prior art keywords
hydrocarbons
boiling point
mixture
cooling process
lies
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.)
Expired
Application number
DES53640D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE362386C publication Critical patent/DE362386C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/042—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising compounds containing carbon and hydrogen only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

Kühlverfahren, bei dem als Kühlmittel Kohlenwasserstoffgase aus verschiedenen Reihen der Kohlenwasserstoffe in einer Mischung benutzt werden, deren Siedepunkt unter 20° liegt. Die bekannten Kältemittel zur Ausführung von Kühlverfahren in Kompressionskältemaschinen, wie Ammoniak, Schwefeldioxyd, haben verschiedene Nachteile. Einzelne dieser Kältemittel sind giftig, andere greifen die Röhren und Behälter zu sehr an, und andere wieder gebrauchen einen äußerst hohen Druck zerr Kornpression, so daß die Anlagekosten beträchtlich gesteigert werden. Nach der vorliegenden Erfindung kommen als Kältemittel für Kompressionskältemaschinen Mischungen, bestehend aus denjenigen aliphatisahen und olefinischen Kohlenwasserstoflen in Betracht, deren Siedepunkt und Verflüchtigungsdruck innerhalb wirtschaftlicher Grenzen liegt. Es kommen hier aus der aliphatiscben Reihe Propan und Butan in Betracht und aus der olefinischen Propylen und Butylen. Die Siedepunkte von Propan und Butan liegen bei -45° bzw. i°. Die kritische Temperatur von Propan liegt bei 97°. Der Siedepunkt von Propylen und Butylen liegt bei - 5o° bzw. 2°, die kritische Temperatur bei 97° b@zw. 150°. Auch: die Kompressionsverhältnisse dieser Kohlenwasserstoffe sind sehr günstig, d. h. die Werte jener Diampfspannungen, die zwischen - io und 30° in Betracht kommen. Sie betragen für Propan 2,85, für Propylen 2,70, für Butan 3,90 und für Butylen 3,45e Obwohl nun die angeführten Kohlenwasserstofe dieser Reihe an und für sich als Kühlmittel benutzt werden können, so kann doch den jeweiligen Betriebsverhältnissen durch Mischungen besser genügt werden, indem die für die Kälteerzeugung notwendigen Eigenschaften nach dem Grade der Mischung und nach der Wahl der zu mischenden Kältemittel geändert werden. Der Grund dafür ist wahrscheinlich darin zu sehen, daß die verschiedenen Kohlenwasserstoffe ineinander löslich sind. Mischungen dieser Art können aus Propan und Propylen, Butan und Propylen, Propylen und Butylen oder Butan und Butyien bestehen und außerdem in ihren Eigenschaften noch dadurch verändert werden, ,daß idie Mischungsverhältnisse verändert werden. Gleiche Mengen von Propan und Butylen ergeben eine sehr gute Mischung.Cooling process in which hydrocarbon gases from different series of hydrocarbons in a mixture with a boiling point below 20 ° are used as the coolant. The known refrigerants for carrying out cooling processes in compression refrigeration machines, such as ammonia and sulfur dioxide, have various disadvantages. Some of these refrigerants are poisonous, others attack the tubes and containers too much, and others again use extremely high pressure for compression, so that the system costs are increased considerably. According to the present invention, suitable refrigerants for compression refrigeration machines are mixtures consisting of those aliphatic and olefinic hydrocarbons whose boiling point and volatilization pressure are within economic limits. Propane and butane come into consideration here from the aliphatic series and propylene and butylene from the olefinic series. The boiling points of propane and butane are -45 ° and i °, respectively. The critical temperature of propane is 97 °. The boiling point of propylene and butylene is - 5o ° and 2 °, the critical temperature is 97 ° b @ between. 150 °. Also: the compression ratios of these hydrocarbons are very favorable, ie the values of those vapor voltages between - 10 and 30 °. They are 2.85 for propane, 2.70 for propylene, 3.90 for butane and 3.45e for butylene. Although the hydrocarbons listed in this series can be used as coolants in and of themselves, the respective operating conditions can be mixed be better satisfied by changing the properties necessary for the refrigeration according to the degree of mixing and according to the choice of refrigerants to be mixed. The reason for this is probably to be found in the fact that the various hydrocarbons are soluble in one another. Mixtures of this type can consist of propane and propylene, butane and propylene, propylene and butylene or butane and butylene and their properties can also be changed by changing the mixing ratios. Equal amounts of propane and butylene make a very good mixture.

Claims (1)

PATENT-ArTSPRUCH: Kühlverfahren, bei dem- als Kühlmittel Kohlenwasserstoffase aus verschiedenen Reihen der Kohlenwasserstoffe in einer Mischung benutzt werden, deren Siedepunkt unter 2o° liegt, dadurch gekennzeichnet, daß sich. die Mischung aus aliphatischen und ofiefinischen Kohlenwasserstoffen zusammensetzt.PATENT SPECIFIC CLAIM: Cooling process in which hydrocarbonase is used as the coolant from different series of hydrocarbons are used in a mixture, whose boiling point is below 2o °, characterized in that. the mixture composed of aliphatic and oefinian hydrocarbons.
DES53640D 1918-02-05 1920-07-08 Cooling process in which the coolant used is a mixture of hydrocarbon gases from different series of hydrocarbons with a boiling point below 20 ?? lies Expired DE362386C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US519079XA 1918-02-05 1918-02-05

Publications (1)

Publication Number Publication Date
DE362386C true DE362386C (en) 1922-10-27

Family

ID=21974121

Family Applications (2)

Application Number Title Priority Date Filing Date
DES53640D Expired DE362386C (en) 1918-02-05 1920-07-08 Cooling process in which the coolant used is a mixture of hydrocarbon gases from different series of hydrocarbons with a boiling point below 20 ?? lies
DES53639D Expired DE359050C (en) 1918-02-05 1920-07-08 Refrigerant for compression refrigeration machines

Family Applications After (1)

Application Number Title Priority Date Filing Date
DES53639D Expired DE359050C (en) 1918-02-05 1920-07-08 Refrigerant for compression refrigeration machines

Country Status (3)

Country Link
DE (2) DE362386C (en)
FR (2) FR519079A (en)
GB (2) GB148878A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX9305243A (en) 1992-08-31 1994-02-28 Gary Lindgren REFRIGERANT AND METHOD FOR USE IN REFRIGERATION SYSTEMS.
WO1997020902A1 (en) * 1995-12-01 1997-06-12 Gary Lindgren Improved refrigerant mixture and method of use in refrigeration systems
DE19623311A1 (en) * 1996-06-11 1997-12-18 Linde Ag Plug-in refrigeration cabinet and method for operating a plug-in refrigeration cabinet

Also Published As

Publication number Publication date
FR519080A (en) 1921-06-04
DE359050C (en) 1922-09-21
GB148875A (en) 1921-10-10
GB148878A (en) 1922-01-10
FR519079A (en) 1921-06-04

Similar Documents

Publication Publication Date Title
DE543684C (en) Process for separating gas mixtures
EP0026418B1 (en) Process for absorbing nitrous gases
DE362386C (en) Cooling process in which the coolant used is a mixture of hydrocarbon gases from different series of hydrocarbons with a boiling point below 20 ?? lies
DE2626884C2 (en)
DE872938C (en) Method and device for carrying out exothermic catalytic gas reactions
DE1467055C3 (en) Process for obtaining pure carbon dioxide from a mixture with hydrocarbons
US1325665A (en) Refrigerant and process of making the same
DE377198C (en) Process for the production of liquid nitrogen dioxide
DE1951821C3 (en) Process for the production of 1,3-butadiene from mixtures with other hydrocarbons
DE722707C (en) Process for the preparation of aldehydes by oxidation of ethylene or its homologues
DE972036C (en) Process for the separation of p-xylene from its technical mixtures
DE666441C (en) Electrical insulating material
DE972651C (en) Process for the separation of p-xylene from its technical mixtures
US1966072A (en) Process for sulphating olefines
DE386678C (en) Process for separating organic gases and vapors
AT63362B (en) Process for the production of pure nitrites from nitrous, air or oxygen-containing gases.
DE878343C (en) Process for the extraction of sulfur from gases containing hydrogen sulfide
DE662445C (en) Process for the production of gases with a high content of sulfur trioxide
AT211801B (en) Process for removing carbon oxide from olefin-containing gas mixtures containing small amounts of the same
DE372245C (en) Process for the preparation of concentrated nitric acid
DE587954C (en) Process for the production of a basic mixed fertilizer containing phosphoric acid and nitrogen
DE454699C (en) Process for the preparation of hydrazine
DE537765C (en) Process for the production of urea from carbon oxysulphide and ammonia
DE2227770A1 (en) PROCESS FOR THE ALKYLATION OF GASEOUS ACYCLIC MONOOLFINS
US1349802A (en) Process of manufacture of picric acid