CN202393084U - Double-effect injection-type refrigerating/heat pump unit - Google Patents
Double-effect injection-type refrigerating/heat pump unit Download PDFInfo
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- CN202393084U CN202393084U CN2011204924602U CN201120492460U CN202393084U CN 202393084 U CN202393084 U CN 202393084U CN 2011204924602 U CN2011204924602 U CN 2011204924602U CN 201120492460 U CN201120492460 U CN 201120492460U CN 202393084 U CN202393084 U CN 202393084U
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- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The utility model discloses a double-effect injection refrigerating/heat pump unit, and belongs to the technical field of novel energy sources and energy conservation. The double-effect injection refrigerating/heat pump unit utilizes waste heat and low-temperature heat energy as driving heat sources, a scheme of parallel connection of a dual-generator and a dual-injection pump is adopted, an individual refrigerating system is formed respectively, and the operation scheme of two individual systems can be controlled through a regulating valve; a novel light-weight plate-fin-type heat exchanger is adopted for the generator and an evaporator, an efficient plate-type heat exchanger is adopted for a condenser and a cooling system is arranged; and the double-effect injection refrigerating/heat pump unit is suitable for technology cooling, and commercial/ residential refrigeration and warming on industrial production. The double-effect injection refrigerating/heat pump unit has the advantages of simple system structure, low manufacturing cost, operation reliability, convenience in use and maintenance, system positive pressure operation, less electricity consumption, energy conservation, environmental friendliness and the like; and the application popularization is improved greatly.
Description
Technical field
The utility model relates to a kind of economic benefits and social benefits spray type refrigerating/source pump, is the device that low-grade energy is utilized, and belongs to new forms of energy and field of energy-saving technology.
Background technology
At present, spray type refrigerating/source pump is that a kind of low-grade heat source that can utilize freezes/machine of heat supply, uses more extensive in solar refrigeration and waste heat recovery refrigerating field.The structure of traditional injecting type system is that outlet links to each other respectively at generator exports, evaporator outlet and condenser inlet with compressed steam for the working steam import of injector, jetting steam caused import; Condensator outlet is divided into two-way; The choke valve of leading up to links to each other with evaporator outlet; Another road links to each other with the generator import through liquid pump, and each connects by refrigerant tubing and is communicated with realization.
The heat exchanger that adopts in traditional spray type refrigerating system is a shell-and-tube heat exchanger, and not only heat exchange efficiency is low but also bulky, maintenance difficult.And mainly be to adopt in the system with the freon refrigerant under steam or the negative pressure evaporation; Make system's negative pressure turn round; Refrigeration decay and system's operation and maintenance cost are higher, and entire system is had relatively high expectations, and have received very big restriction on therefore using and promoting.
Summary of the invention
The purpose of the utility model provides a kind of economic benefits and social benefits spray type refrigerating/source pump, and this unit can utilize used heat and low temperature heat energy as driving heat source, is applicable to the technology cooling on the commercial production, the refrigeration and the heating of commercialization/dwelling house.
The technical scheme of the utility model is: a kind of economic benefits and social benefits ejector refrigeration/source pump, it mainly comprises condenser, reservoir, evaporimeter, expansion valve and a liquid pump.It also comprises two generators and two injectors; The outlet of reservoir connects expansion valve and liquid pump respectively through control valve; The outlet of liquid pump is divided into two-way, and one the tunnel is connected with first generator through control valve, and first generator exports is connected with the power jet of first injector; Another road second generator is connected with the power jet of second injector; Expansion valve is connected with evaporimeter, and evaporator outlet is divided into two-way, and one the tunnel is connected to the ejecting port of first injector through control valve, and another road then is directly connected to the ejecting port of second injector; The outlet of first injector and second injector is parallelly connected, is connected to the inlet of condenser; Said condenser adopts pipeline to connect into the heating subsystem through hot water circulating pump and user, connects into cooling subsystem through hot water circulating pump and cooling system; Said evaporimeter adopts pipeline to connect into refrigeration subsystem through refrigerant circulating pump and user.
Said first generator adopts parallel way to be connected with first injector with second generator and second injector; Said first generator and second generator adopt same heating thermal source: first generator adopts high temperature heat source, and second generator adopts low-temperature heat source.
Said first generator, second generator and evaporimeter all adopt the thistle board fin heat exchanger; Said condenser adopts efficient plate type heat exchanger and is furnished with cooling system.
Said refrigerating/heat pump system adopts environmental protection refrigerant as working media, and environmental protection refrigerant is selected from R134a cold-producing medium, R141b cold-producing medium or R236fa cold-producing medium.
In above-mentioned economic benefits and social benefits spray type refrigerating/heat pump, through control valve conversion Water in Condenser lateral line with cooling system be connected when freezing summer, and heat is discharged, and the evaporator water lateral line is connected with user's refrigeration pipe simultaneously, is user's refrigeration.During winter heating, the water lateral line of the switch condenser through control valve is connected with user's heating pipeline, is user's heating.The PLC centralized Control is adopted in electrical control.
The beneficial effect of the utility model is: this economic benefits and social benefits spray type refrigerating/source pump, and utilize used heat and low temperature heat energy as driving heat source, for the technology on the commercial production is cooled off, the refrigeration and the heating of commercialization/dwelling house provide demand.That this economic benefits and social benefits spray type refrigerating/heat pump has is simple in structure, cost is low, reliable, advantages such as working service convenient, system's malleation running, power consumption are few, energy-conserving and environment-protective.In sum, the utility model is that a kind of system architecture is simple, easy to use, the economic benefits and social benefits spray type refrigerating/heat pump of effective conversion low grade heat energy.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further.
Accompanying drawing 1 is a kind of economic benefits and social benefits ejector refrigeration/source pump schematic diagram.
Among the figure: 1, first generator, 2, second generator, 3, evaporimeter, 4, first injector, 5, second injector, 6, condenser; 7, reservoir, 8, control valve, 9, liquid pump, 10, control valve, 11, expansion valve; 12, control valve, 13, cooling water circulating pump, 14, cooling system, 15, the inlet adjusting valve, 16, the outlet regulating valve; 17, inlet adjusting valve, 18, the outlet regulating valve, 19, cold water circulation pump, 20, the outlet regulating valve, 21, the inlet adjusting valve.
The specific embodiment
According to accompanying drawing embodiment is further described below.
Fig. 1 shows a kind of systematic schematic diagram of economic benefits and social benefits spray type refrigerating/source pump.Among the figure; In economic benefits and social benefits spray type refrigerating/heat pump; The outlet of reservoir 7 connects expansion valve 11 and liquid pump 9 respectively through control valve 8, and the outlet of liquid pump 9 is divided into two-way: the one tunnel is connected with first generator 1 through control valve 10, and first generator 1 exports and is connected with the power jet of first injector 4; Another road second generator 2 is connected with the power jet of second injector 5.Expansion valve 11 is connected with evaporimeter 3, and evaporimeter 3 outlet is divided into two-way: the one tunnel is connected to the ejecting port of first injector 4 through control valve 12, and another road then is directly connected to the ejecting port of second injector 5.The outlet of first injector 4 and second injector 5 is parallelly connected, is connected to the inlet of condenser 6.Summer is when freezing; Through opening inlet adjusting valve 15, outlet regulating valve 16, close inlet adjusting valve 17, outlet regulating valve 18, the Water in Condenser lateral line is connected with cooling system; Heat is discharged; Open outlet regulating valve 20, inlet adjusting valve 21 simultaneously, the evaporator water lateral line is connected with user's refrigeration pipe, be user's 22 refrigeration.During winter heating, through opening inlet adjusting valve 17, outlet regulating valve 18, closing inlet adjusting valve 15, outlet regulating valve 16, the water lateral line of condenser is connected with user's heating pipeline, is that user 22 heats.The PLC centralized Control is adopted in electrical control.
First generator adopts parallel way to be connected with first injector with second generator and second injector; First generator and second generator adopt same heating thermal source: first generator adopts high temperature heat source, and second generator adopts low-temperature heat source; First generator, second generator and evaporimeter all adopt the thistle board fin heat exchanger; Condenser adopts efficient plate type heat exchanger and is furnished with cooling system; The moving component of system own is few, little with electric consumption; Refrigerating/heat pump internal system heat exchanger all adopts board-like efficiently or plate-fin heat exchanger simultaneously, has improved heat exchange efficiency, has also improved overall system efficiency simultaneously, can satisfy the technology cooling on the commercial production, the refrigeration of commercialization/dwelling house and the demand of heating.
Claims (4)
1. economic benefits and social benefits ejector refrigeration/source pump; It mainly comprises a condenser (6), reservoir (7), evaporimeter (3), expansion valve (11) and liquid pump (9); It is characterized in that: further comprising two generators and two injectors, the outlet of reservoir (7) connects expansion valve (11) and liquid pump (9) respectively through control valve (8), and the outlet of liquid pump (9) is divided into two-way; One the tunnel is connected with first generator (1) through control valve (10), and first generator (1) outlet is connected with the power jet of first injector (4); Another road second generator (2) is connected with the power jet of second injector (5); Expansion valve (11) is connected with evaporimeter (3), and evaporimeter (3) outlet is divided into two-way, and one the tunnel is connected to the ejecting port of first injector (4) through control valve (12), and another road then is directly connected to the ejecting port of second injector (5); The outlet of first injector (4) and second injector (5) is parallelly connected, is connected to the inlet of condenser (6); Said condenser (6) adopts pipeline to connect into the heating subsystem through hot water circulating pump (13) with user (22), connects into cooling subsystem through hot water circulating pump (13) and cooling system (14); Said evaporimeter (6) adopts pipeline to connect into refrigeration subsystem through refrigerant circulating pump (21) with user (22).
2. a kind of economic benefits and social benefits spray type refrigerating/source pump according to claim 1 is characterized in that: said first generator (1) adopts parallel way to be connected with first injector (4) with second generator (2) and second injector (5); Said first generator (1) and second generator (2) adopt same heating thermal source: first generator (1) adopts high temperature heat source, and second generator (2) adopts low-temperature heat source.
3. a kind of economic benefits and social benefits spray type refrigerating/source pump according to claim 1 is characterized in that: said first generator (1), second generator (2) and evaporimeter (3) all adopt the thistle board fin heat exchanger; Said condenser (6) adopts efficient plate type heat exchanger and is furnished with cooling system (14).
4. a kind of economic benefits and social benefits spray type refrigerating/source pump according to claim 1 is characterized in that: said refrigerating/heat pump system adopts environmental protection refrigerant as working media, and environmental protection refrigerant is selected from R134a cold-producing medium, R141b cold-producing medium or R236fa cold-producing medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204924602U CN202393084U (en) | 2011-12-01 | 2011-12-01 | Double-effect injection-type refrigerating/heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204924602U CN202393084U (en) | 2011-12-01 | 2011-12-01 | Double-effect injection-type refrigerating/heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393084U true CN202393084U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204924602U Expired - Fee Related CN202393084U (en) | 2011-12-01 | 2011-12-01 | Double-effect injection-type refrigerating/heat pump unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN202393084U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524569A (en) * | 2016-10-13 | 2017-03-22 | 南京理工大学 | Efficient dual injection type refrigeration system and method thereof |
| CN107606810A (en) * | 2017-11-03 | 2018-01-19 | 中国矿业大学 | It is a kind of that there is the injection cooling device for increasing gas benefit enthalpy function |
| CN112393454A (en) * | 2020-07-09 | 2021-02-23 | 香港城市大学深圳研究院 | Double-temperature air source heat pump unit |
-
2011
- 2011-12-01 CN CN2011204924602U patent/CN202393084U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524569A (en) * | 2016-10-13 | 2017-03-22 | 南京理工大学 | Efficient dual injection type refrigeration system and method thereof |
| CN106524569B (en) * | 2016-10-13 | 2019-02-22 | 南京理工大学 | A kind of double ejector refrigeration systems and its method |
| CN107606810A (en) * | 2017-11-03 | 2018-01-19 | 中国矿业大学 | It is a kind of that there is the injection cooling device for increasing gas benefit enthalpy function |
| CN107606810B (en) * | 2017-11-03 | 2019-11-19 | 中国矿业大学 | A kind of injection cooling device for mending enthalpy function with increasing gas |
| CN112393454A (en) * | 2020-07-09 | 2021-02-23 | 香港城市大学深圳研究院 | Double-temperature air source heat pump unit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20151201 |
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| EXPY | Termination of patent right or utility model |