CN200982768Y - Circulated jet expanded steam jet type refrigeration device - Google Patents
Circulated jet expanded steam jet type refrigeration device Download PDFInfo
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- CN200982768Y CN200982768Y CN 200620048800 CN200620048800U CN200982768Y CN 200982768 Y CN200982768 Y CN 200982768Y CN 200620048800 CN200620048800 CN 200620048800 CN 200620048800 U CN200620048800 U CN 200620048800U CN 200982768 Y CN200982768 Y CN 200982768Y
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- jet pump
- condenser
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- generator
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Abstract
A circular expansion steam jet refrigeration installation, comprising a generator, a condenser, an evaporator and a vapor liquid separator, and characterized in that the two inlet ports of the jet pump are connected with the generator and the vapor liquid separator separately, and its outlet port is connected with the condenser. The inlet port of one liquid pump is connected with the condenser, and its outlet port is connected with the generator. One inlet port of the other jet pump is connected with the generator, the other inlet port of this jet pump is connected with the condenser through electrical adjusting valve, and its outlet port is connected with the liquid vapor separator. The inlet port of the other liquid pump is connected with the liquid vapor separator, and through the check valve its outlet port is connected with the inlet port of the jet pump which is connected with the electrical adjusting valve. The inlet port of the throttling device is connected with the vapor liquid separator, and its outlet port is connected with the evaporator. The utility model increases the efficiency of the jet pump by using the high-pressure super cooling refrigerant liquid jet, and further improves the efficiency of the system. By using the generator and the jet pump to replace the steam evaporator to avoid the high-quality energy loss and uses the low-quality energy such as waste gas and waste heat, the utility model achieves more effective energy conservation purposes.
Description
Technical field
A kind of refrigerating plant of the utility model relate generally to relates to the steam-sprayed refrigerating plant of a kind of circulation shooting flow expanding especially.
Background technology
In conventional vapor compression type refrigerating system, refrigerant liquid is throttled to evaporating pressure through choke valve after discharging from condenser, causes energy loss, as shown in Figure 1.There is system to take decompressor to replace choke valve, can reclaims the energy in the cold-producing medium step-down process, as shown in Figure 2, but the used decompressor more complicated of this system, so only in the large-scale refrigerating plant of high pressure ratio, a small amount of application is arranged.Nineteen ninety A.A.Kornhauser proposes jet pump is applied to expansion gear in the vapor compression type refrigerating system, and as shown in Figure 3, but because jet pump efficient is lower, vapour liquid separator stockpiles too much refrigerant liquid, and circulation can't normally be carried out.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of circulation shooting flow expanding steam-sprayed refrigerating plant.
The technical problem that the utility model solved can realize by the following technical solutions:
The steam-sprayed refrigerating plant of a kind of circulation shooting flow expanding comprises generator, condenser, evaporimeter and gas-liquid separator, it is characterized in that: two inlets of a jet pump connect generator and vapour liquid separator respectively, and its outlet connects condenser; The inlet of one liquid pump connects condenser, and its outlet connects generator; One inlet of another jet pump connects evaporimeter, and its another inlet connects condenser by electric control valve, and its outlet connects vapour liquid separator; The inlet of another liquid pump connects vapour liquid separator, and its outlet connects the jet pump inlet that electric control valve connected by check-valves; The inlet of one throttling arrangement connects vapour liquid separator, and its outlet connects evaporimeter.
In the utility model, described throttling arrangement can adopt forms such as heating power expansion valve, electric expansion valve, ball-cock assembly, orifice plate.
Be provided with temperature sensor in the jet pump porch that connects vapour liquid separator, be electrically connected, with the open and close of control electric control valve and throttling arrangement with electric control valve and throttling arrangement.
The expansion energy of the recyclable high-pressure refrigerant of the steam-sprayed refrigerating plant of circulation shooting flow expanding of the present utility model, the efficient of raising system, high pressure is crossed the efficient that cold refrigerant liquid jet has improved jet pump, thereby further improve the efficient of system, replace vapour compression machine can avoid the high-quality energy loss of compressor with generator and jet pump in addition and utilize waste gas, spent hot water's low-grade energy, thereby more effectively reach purpose of energy saving.
Description of drawings
Fig. 1 is for adopting the refrigerating plant schematic diagram of expansion valve.
Fig. 2 is for adopting the refrigerating plant schematic diagram of decompressor.
Fig. 3 is for adopting the refrigerating plant schematic diagram of jet pump.
Fig. 4 is the thermodynamic cycle figure of the utility model device.
Fig. 5 is a structural representation of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
1a is a compressor among Fig. 1, and 2a is a condenser, and 3a is a choke valve, and 4a is an evaporimeter.
1a is a compressor among Fig. 2, and 2a is a condenser, and 3b is a decompressor, and 4a is an evaporimeter.
1a is a compressor among Fig. 3, and 2a is a condenser, and 4b is a jet pump, and 5a is an evaporimeter, and 6a is a throttling arrangement, and 7a is a vapour liquid separator.
As shown in Figure 5, the steam-sprayed refrigerating plant of a kind of circulation shooting flow expanding, generator 1 connects the inlet 21 of jet pump 2, and vapour liquid separator 9 connects the inlet 22 of jet pump 2, and jet delivery side of pump 23 connects condenser 3; Condenser 3 connects generator 1 by liquid pump 7 ', and condenser 3 is by the inlet 21 ' of electric control valve 4 connection jet pumps 2 ', and the inlet 22 ' of jet pump connects evaporimeter 6, and its outlet 23 ' connects vapour liquid separator 9; Vapour liquid separator 9 is connected the inlet 21 ' of jet pump 2 ' successively with check-valves 5 by liquid pump 7; Also be provided with throttling arrangement 8 between vapour liquid separator 9 and the evaporimeter 6, described throttling arrangement 8 can adopt various ways such as heating power expansion valve, electric expansion valve, ball-cock assembly, orifice plate; Jet pump 2 inlets 22 ' locate also to be provided with temperature sensor 10, with the opening and closing of control electric control valve 4 and throttling arrangement 8.
In the utility model, be mixed into the jet refrigerant liquid from vapour liquid separator 9 through the cold refrigerant liquid of mistake of liquid pump 7 pressurizations together through electric control valve 4 from a part of high pressure refrigerant liquid in the condenser 3; This jet refrigerant liquid passes through the refrigerant vapour of jet pump 2 ' injection evaporimeter 6, and it is compressed to vapour liquid separator 9; Refrigerant vapour in the vapour liquid separator 9 is by jet pump 2 injections, refrigerant liquid part in the vapour liquid separator 9 enters evaporimeter 6 evaporations through throttling arrangement 8, remaining liquid refrigerant by liquid pump 7 through check-valves 5 deliver to jet pump 2 ' the porch, and with mix laggard refrigerant vapour of going into jet pump 2 ' injection evaporimeter 6 from the high pressure refrigerant liquid of condenser 3; Another part high pressure refrigerant liquid in the condenser 3 is by liquid pump 7 ' be delivered to generator 1, refrigerant liquid saturated vapor behind the isobaric heat absorption in generator 1 passes through the refrigerant vapour in the jet pump 2 injection vapour liquid separators 9, and it is delivered to condenser 3.The expansion energy of jet pump 2 ' recyclable high-pressure refrigerant, the efficient of raising system, high pressure is crossed the efficient that cold refrigerant liquid jet has improved jet pump, thereby further improve the efficient of system, replace vapour compression machine can avoid the high-quality energy loss of compressor with generator and jet pump in addition and utilize waste gas, spent hot water's low-grade energy, thereby more effectively reach purpose of energy saving.
Fig. 4 is the thermodynamic cycle figure of the utility model device.2-3 is a condensation process; 3-3 ' and 3 '-3 " condensed high pressure refrigerant liquid and from vapour liquid separator 9 and through the cold refrigerant liquid mixed process of mistake of liquid pump 7 pressurization; 7-3 " be the process that the operative liquid cold-producing medium in the vapour liquid separator 9 is boosted by liquid pump 7; The 3 '-4th, the expansion process of liquid refrigerant in jet pump 2; 4-5 and 0-5 are jet cold-producing mediums and by the mixed process of injection refrigerant vapour; 5-6 is the compression process of mixed cold-producing medium at the jet pump diffuser; 7-8 is that refrigerant liquid in the subcooler is to the throttling expansion process of evaporimeter 6; The 8-0 cold-producing medium is in the evaporation process of evaporimeter 6; 3-9 is the boost process of another part refrigerant liquid of coming out of condenser through liquid pump 7 '; The isobaric heat absorption process of 9-10 high pressure refrigerant liquid in generator 1; The expansion process of HTHP superheated refrigerant steam jet pump 2 that 10-11 comes out from generator 1; 1-11 and 1-12 jet cold-producing medium and by the mixed process of injection refrigerant vapour; 1-2 is the compression process of mixed cold-producing medium at jet pump 2 ' diffuser.State point 4 is on the saturated liquid line in the circular chart.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the steam-sprayed refrigerating plant of circulation shooting flow expanding comprises generator, condenser, evaporimeter and gas-liquid separator, it is characterized in that: two inlets of a jet pump connect generator and vapour liquid separator respectively, and its outlet connects condenser; The inlet of one liquid pump connects condenser, and its outlet connects generator; One inlet of another jet pump connects evaporimeter, and its another inlet connects condenser by electric control valve, and its outlet connects vapour liquid separator; The inlet of another liquid pump connects vapour liquid separator, and its outlet connects the jet pump inlet that electric control valve connected by check-valves; The inlet of one throttling arrangement connects vapour liquid separator, and its outlet connects evaporimeter.
2. refrigerating plant as claimed in claim 1 is characterized in that: described throttling arrangement comprises a kind of in heating power expansion valve, electric expansion valve, ball-cock assembly and the orifice plate.
3. refrigerating plant as claimed in claim 1 is characterized in that: be provided with the temperature sensor that is electrically connected with electric control valve and throttling arrangement in the jet pump porch that connects vapour liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048800 CN200982768Y (en) | 2006-12-11 | 2006-12-11 | Circulated jet expanded steam jet type refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048800 CN200982768Y (en) | 2006-12-11 | 2006-12-11 | Circulated jet expanded steam jet type refrigeration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200982768Y true CN200982768Y (en) | 2007-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620048800 Expired - Fee Related CN200982768Y (en) | 2006-12-11 | 2006-12-11 | Circulated jet expanded steam jet type refrigeration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN200982768Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809144A (en) * | 2012-08-06 | 2012-12-05 | 湖南创化低碳环保科技有限公司 | Device and method for using two-stage jet absorption heat pump to improve thermal cycle efficiency |
| CN110375454A (en) * | 2019-06-24 | 2019-10-25 | 东南大学 | A kind of pressure energy of natural gas refrigeration system |
-
2006
- 2006-12-11 CN CN 200620048800 patent/CN200982768Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809144A (en) * | 2012-08-06 | 2012-12-05 | 湖南创化低碳环保科技有限公司 | Device and method for using two-stage jet absorption heat pump to improve thermal cycle efficiency |
| CN110375454A (en) * | 2019-06-24 | 2019-10-25 | 东南大学 | A kind of pressure energy of natural gas refrigeration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |