CN200982769Y - Refrigerant supercooling jet expansion type refrigeration device - Google Patents
Refrigerant supercooling jet expansion type refrigeration device Download PDFInfo
- Publication number
- CN200982769Y CN200982769Y CN 200620048802 CN200620048802U CN200982769Y CN 200982769 Y CN200982769 Y CN 200982769Y CN 200620048802 CN200620048802 CN 200620048802 CN 200620048802 U CN200620048802 U CN 200620048802U CN 200982769 Y CN200982769 Y CN 200982769Y
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- condenser
- jet pump
- subcooler
- generator
- gas
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Abstract
The utility model provides refrigerant super cooling spray-jet expansion type refrigeration equipment using a generator and a jet pump to replace the stream compressor. The refrigerant super cooling spray-jet expansion type refrigeration equipment comprises the generator, a condenser, a super cooler and an evaporator, characterized in that two inlet ports of one gas-gas jet pump are connected with the generator and the super cooler separately, and its outlet port is connected with the condenser. The inlet port of a liquid booster pump is connected with the condenser, and its outlet port is connected with the generator. An electrical adjusting valve is arranged between the condenser and the super cooler. One inlet port and an outlet port of a liquid-gas jet pump are connected with the condenser, and the other inlet port of the liquid-gas jet pump is connected with an evaporator. A throttling device is arranged between the evaporator and the condenser. The refrigeration installation of the utility model absorbs the features of both the jet type and the absorption type, using heat energy as compensation form, having a low requirement of the heat source, and helping to the comprehensive utilization of the heat source. The utility model has the advantages of simple structure, easy fabrication, having no moving parts except the pump and only a single refrigerant is needed in the whole circulation.
Description
Technical field
A kind of refrigerating plant of the utility model relate generally to relates to a kind of cold-producing medium especially and crosses cold shooting flow expanding injection type cooling device.
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, the vapour-liquid separator stockpiles too much refrigerant liquid, and circulation can't normally be carried out.In the steam compression type refrigerating circulation, the narrow and small volume to compressor in refrigerating plant room space has proposed requirement, and the life-span of compressor is restricted the service life of whole circulation.Fig. 4 is the cold excessively jet pump refrigerating plant of cold-producing medium.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of and replaces the cold-producing medium of Pistonless compressor to cross cold shooting flow expanding injection type cooling device with generator and jet pump combination.
The technical problem that the utility model solved can realize by the following technical solutions:
A kind of cold-producing medium is crossed cold shooting flow expanding injection type cooling device, comprises generator, condenser, subcooler and evaporimeter, it is characterized in that: two inlets of one gas-gas jet pump connect generator and subcooler respectively, and its outlet connects condenser; The inlet of one liquid force (forcing) pump connects condenser, and its outlet connects generator; Be provided with electric control valve between condenser and the subcooler; One entrance and exit of one liquid-gas jet pump connects subcooler, and its another inlet connects evaporimeter, is provided with throttling arrangement between evaporimeter and the subcooler.
In the utility model, described throttling arrangement can adopt forms such as heating power expansion valve, electric expansion valve, ball-cock assembly, orifice plate.
The porch that connects subcooler at the gas gas jet pump is provided with temperature sensor, and this temperature sensor is electrically connected with electric control valve and throttling arrangement, with the open and close of control electric control valve and throttling arrangement.
In the utility model, it has replaced expansion valve with the one-level jet pump, the expansion energy of recyclable gases at high pressure; Replace compressor with secondary jets pump, generator and liquid pump, made low-grade heat energy replace high-grade mechanical energy, reduced the grade of utilizing of energy, produced a kind of novel refrigerating plant that has two stage jet.This kind refrigerating plant has had injecting type and some absorption characteristics concurrently, is the compensation form of energy with heat energy; Less demanding to thermal source, general low-pressure steam or the hot water more than 75 ℃ all can meet the demands, and have been specially adapted to waste gas, availableization of spent hot water metallurgy and enterprise in light industry, help the comprehensive utilization of thermal source; Simple in structure, easily manufactured, except that pump, there is not moving component, long service life; Only need single cold-producing medium in the whole circulation.The expansion energy of the recyclable high-pressure refrigerant of jet pump improves overall system efficiency in addition, and high pressure refrigerant liquid is the cold excessively efficient that improves jet pump in subcooler, thereby further improved overall system efficiency.
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 for adopting the cold excessively jet pump refrigeration system schematic diagram of cold-producing medium.
Fig. 5 is a structural representation of the present utility model.
Fig. 6 is the thermodynamic cycle figure of the utility model device.
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.
1a is a compressor among Fig. 4, and 2a is a condenser, and 3c is an electric control valve, and 4b is a jet pump, and 5a is an evaporimeter, and 6a is a throttling arrangement, and 7b is a subcooler, and 8a is a temperature sensor.
As shown in Figure 5, a kind of cold-producing medium is crossed cold shooting flow expanding injection type cooling device, and generator 1 connects the inlet 81 of gas-gas jet pump 8, and subcooler 3 connects the inlet 82 of gas-gas jet pump 8, and the outlet 83 of gas-gas jet pump 8 connects condenser 1; Condenser 1 connects generator 7 by liquid force (forcing) pump 9, connects subcooler 3 by electric control valve 2; The inlet 61 of liquid-gas jet pump 6 all is connected subcooler 3 with outlet 63, and its outlet 62 connects evaporimeter 5; Evaporimeter 5 directly is connected by throttling arrangement 4 with subcooler 3, and described throttling arrangement can adopt various ways such as heating power expansion valve, electric expansion valve, ball-cock assembly, orifice plate; Gas-gas jet pump 8 inlets 82 places also are provided with temperature sensor 10, and this temperature sensor 10 is electrically connected with electric control valve 2 and throttling arrangement 4, with the opening and closing of control electric control valve 2 and throttling arrangement 4.
In the utility model, shunt behind electric control valve 2 from the high pressure refrigerant liquid of condenser 1: part of refrigerant liquid pressurizes through liquid force (forcing) pump 9 and sends into generator 7, and another part refrigerant liquid is cold excessively through subcooler 3.The refrigerant liquid that flows through subcooler 3 is crossed the refrigerant vapour of cold back by one-level liquid-gas jet pump 6 injection evaporimeters 5, and it is compressed to subcooler 3; The refrigerant vapour that generator 7 produces is by the refrigerant vapour in secondary gas-gas jet pump 8 injection subcoolers 3.Refrigerant liquid part in the subcooler 3 enters evaporimeter 5 evaporations through throttling arrangement 4, and another part evaporative cooling is from the high pressure refrigerant liquid of condenser 1.Two jet pump devices have been adopted among the present invention, the expansion energy of one-level liquid-gas jet pump 6 recyclable high-pressure refrigerants improves overall system efficiency, high pressure refrigerant liquid is the cold excessively efficient that improves jet pump in subcooler 3, thereby further improved overall system efficiency.Gas-gas jet pump 8, generator 7 and liquid force (forcing) pump 9 have replaced vapour compression machine, have produced a kind of novel refrigerating plant that has two stage jet, make low-grade heat energy replace high-grade mechanical energy.
Thermodynamic cycle of the present invention as shown in Figure 6.2-3 is a condensation process; 3-3 ' is the cold process of mistake of the high pressure liquid refrigerant that comes out of the evaporative cooling part condenser 1 of cold-producing medium in the subcooler 3; The 3 '-4th, the expansion process of liquid refrigerant in gas gas jet pump 8; 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 liquid-gas jet pump 6 diffusers; 7-8 is that refrigerant liquid in the subcooler 1 is to the throttling expansion process of evaporimeter 5; 8-0 is the evaporation process of refrigerant liquid at evaporimeter 5; The pressure process of 3-9 another part highly pressurised liquid that to be 9 pairs of liquid force (forcing) pumps come out from condenser 1; 9-10 is the evaporation process of high pressure refrigerant liquid in generator 7; 10-11 is the expansion step-down process of HCS; 11-12 and 1-12 are the mixed process of jet refrigerant vapour and injection refrigerant vapour; 12-2 is the compression process of mixed cold-producing medium at liquid-gas jet pump 6 diffusers.
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. a cold-producing medium is crossed cold shooting flow expanding injection type cooling device, comprises generator, condenser, subcooler and evaporimeter, it is characterized in that: two inlets of one gas-gas jet pump connect generator and subcooler respectively, and its outlet connects condenser; The inlet of one liquid force (forcing) pump connects condenser, and its outlet connects generator; Be provided with electric control valve between condenser and the subcooler; One entrance and exit of one liquid-gas jet pump connects subcooler, and its another inlet connects evaporimeter, is provided with throttling arrangement between evaporimeter and the subcooler.
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: the porch that connects subcooler at the gas gas jet pump is provided with the temperature sensor that is electrically connected with electric control valve and throttling arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048802 CN200982769Y (en) | 2006-12-11 | 2006-12-11 | Refrigerant supercooling jet expansion type refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048802 CN200982769Y (en) | 2006-12-11 | 2006-12-11 | Refrigerant supercooling jet expansion type refrigeration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200982769Y true CN200982769Y (en) | 2007-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620048802 Expired - Fee Related CN200982769Y (en) | 2006-12-11 | 2006-12-11 | Refrigerant supercooling jet expansion type refrigeration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200982769Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853578A (en) * | 2012-04-19 | 2013-01-02 | 浙江大学 | Mixed working medium two-stage jet type refrigerating machine |
| CN103437910A (en) * | 2012-08-03 | 2013-12-11 | 摩尔动力(北京)技术股份有限公司 | Working medium cooler for engine |
| CN105716324A (en) * | 2016-03-16 | 2016-06-29 | 北京建筑大学 | Double-heat-source efficient air conditioner system based on compression-injection combination and application |
-
2006
- 2006-12-11 CN CN 200620048802 patent/CN200982769Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853578A (en) * | 2012-04-19 | 2013-01-02 | 浙江大学 | Mixed working medium two-stage jet type refrigerating machine |
| CN102853578B (en) * | 2012-04-19 | 2014-06-25 | 浙江大学 | Mixed working medium two-stage jet type refrigerating machine |
| CN103437910A (en) * | 2012-08-03 | 2013-12-11 | 摩尔动力(北京)技术股份有限公司 | Working medium cooler for engine |
| CN105716324A (en) * | 2016-03-16 | 2016-06-29 | 北京建筑大学 | Double-heat-source efficient air conditioner system based on compression-injection combination and application |
| CN105716324B (en) * | 2016-03-16 | 2017-10-17 | 北京建筑大学 | The double heat source high-efficiency air-conditioning system being combined based on compression injection and application |
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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 |