DE359050C - Refrigerant for compression refrigeration machines - Google Patents
Refrigerant for compression refrigeration machinesInfo
- Publication number
- DE359050C DE359050C DES53639D DES0053639D DE359050C DE 359050 C DE359050 C DE 359050C DE S53639 D DES53639 D DE S53639D DE S0053639 D DES0053639 D DE S0053639D DE 359050 C DE359050 C DE 359050C
- Authority
- DE
- Germany
- Prior art keywords
- percent
- refrigerant
- compression refrigeration
- refrigeration machines
- 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.)
- Expired
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
Kältemittel für Kompressionskältemaschinen. Die Erfindung bezieht sich auf ein Kältemittel für Kompressionskältemaschinen.Refrigerants for compression refrigeration machines. The invention relates focus on a refrigerant for compression refrigeration machines.
Die bekannten Kältemittel, wie Ammoniak, Schwefeldioxyde, Chloräthyl, haben verschiedene Nachteile. Sie sind giftig und greifen die Röhren und Behälter, in welchen sie benutzt werden, .an. Ferner ist bei -Benutzung der genannten Kältemittel oder bei Benutzung von Kohlensäure als Kühlmittel ein äußerst hoher Druckerforderlich, so daß die Kosten der Anlage beträchtlich gesteigert werden, wenn es sich darum handelt, die Gase unter hohem Druck flüssig zu machen.The known refrigerants, such as ammonia, sulfur dioxide, chloroethyl, have several disadvantages. They are poisonous and attack the tubes and containers, in which they are used. Furthermore, when using the refrigerant mentioned or when using carbon dioxide as a coolant, an extremely high pressure is required, so that the cost of the facility is increased considerably, if that is the case acts to make the gases liquid under high pressure.
Nach der vorliegenden Erfindung werden diese Nachteile vermieden.According to the present invention, these disadvantages are avoided.
Als Kältemittel gelangen Propan und Butan in einer Mischung zur Anwendung. Die Siedepunkte dieser Kohlenwasserstoffe liegen bei -45' bzw. + i', und ihre Dampfspannung schwankt zwischen 3,7r kg und 11,2 kg bzw. zwischen o,69 kg und 3 kg bezogen auf Temperaturen von - io° und + 40°. Ihre Siedepunkte und Verdampfungsdr?ücke liegen also innerhalb wirtschaftlich möglicher Grenzen für die Eisbereitung. Die Kompressionsverhältnisse bezogen auf Ammoniak zeigen, daß das Kompressionsverhältnis des Propans etwas geringer ist als das,des Ammoniaks und das des Butans auch etwas geringer ist. Die latenten Verdampfungswärmen zeigen jedoch, daß trotz dieser Ungleichheiten in den Kompressionsverhältnissen, bezogen auf Volumeneinheit Propan fast ebenso g'ü'nstig ist wie Ammoniak und Butan noch etwas günstiger.A mixture of propane and butane is used as a refrigerant. The boiling points of these hydrocarbons are -45 'or + i', and their vapor tension fluctuates between 3.7 kg and 11.2 kg or between 0.69 kg and 3 kg in relation to Temperatures from - io ° and + 40 °. Their boiling points and evaporation pressures are thus within the economically possible limits for ice making. The compression ratios based on ammonia show that the compression ratio of the propane is somewhat lower is slightly less than that of ammonia and that of butane. The latent Evaporation heats show, however, that despite these inequalities in the compression ratios, based on the unit volume propane is almost as cheap as ammonia and butane a little cheaper.
Es hat sich nun (herausgestellt, daß die Mischungen der beiden Kohlenwasserstoffe bessere Resultate ergeben als die einzelnen ungemischten Kohlenwasserstoffe, wahrscheinlich weil sie ineinander löslich sind. Passende Mischungsverhältnisse schwanken zwischen 40 bis 85 Prozent Butan und 6o Prozent bis 15 Prozent Propan. Je nach dem Mischungsverhältnis kann zier Siedepunkt höher oder tiefer gelegt werden. Bei einer Mischung von 45 Prozent Butan und 55 Prozent Propan ist der Siedepunkt - r8°, bei .einer Mischung von 8o Prozent Butan: und ao Prozent Propan ist der Siedepunkt - io°. Versuche haben gezeigt, daß bei einer Mischung in dem Verhältnis von 8o Prozent Butan und 2o Prozent Propan der Arbeitsaufwand zur Herstellung einer Gewichtseinheit von Eis 47 Prozent geringer ist als der Kraftaufwand zur Herstellung desselben Gewichts unter Verwendung von Ammoniak.It has now been found that the mixtures of the two hydrocarbons give better results than the individual unmixed hydrocarbons, probably because they are soluble in one another. Suitable mixing ratios vary between 40 to 85 percent butane and 60 percent to 15 percent propane. Depending on the mixing ratio The boiling point can be set higher or lower. With a mixture of 45 percent butane and 55 percent propane, the boiling point is - r8 °, with a mixture of 80 percent butane: and ao percent propane is the boiling point - 10 °. Experiments have shown that with a mixture in the ratio of 80 percent butane and 20 percent propane, the labor required to produce a unit weight of ice is 47 percent less than the effort required to produce the same weight using ammonia.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US519079XA | 1918-02-05 | 1918-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE359050C true DE359050C (en) | 1922-09-21 |
Family
ID=21974121
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES53639D Expired DE359050C (en) | 1918-02-05 | 1920-07-08 | Refrigerant for compression refrigeration machines |
| 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 |
Family Applications After (1)
| 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 |
Country Status (3)
| Country | Link |
|---|---|
| DE (2) | DE359050C (en) |
| FR (2) | FR519080A (en) |
| GB (2) | GB148875A (en) |
Families Citing this family (3)
| 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 |
-
1920
- 1920-07-06 FR FR519080A patent/FR519080A/en not_active Expired
- 1920-07-06 FR FR519079A patent/FR519079A/en not_active Expired
- 1920-07-08 DE DES53639D patent/DE359050C/en not_active Expired
- 1920-07-08 DE DES53640D patent/DE362386C/en not_active Expired
- 1920-07-10 GB GB20691/20A patent/GB148875A/en not_active Expired
- 1920-07-10 GB GB2069420A patent/GB148878A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB148875A (en) | 1921-10-10 |
| FR519080A (en) | 1921-06-04 |
| GB148878A (en) | 1922-01-10 |
| FR519079A (en) | 1921-06-04 |
| DE362386C (en) | 1922-10-27 |
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