CN101865559A - A refrigeration cycle method and system - Google Patents
A refrigeration cycle method and system Download PDFInfo
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- CN101865559A CN101865559A CN 201010199336 CN201010199336A CN101865559A CN 101865559 A CN101865559 A CN 101865559A CN 201010199336 CN201010199336 CN 201010199336 CN 201010199336 A CN201010199336 A CN 201010199336A CN 101865559 A CN101865559 A CN 101865559A
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Abstract
本发明涉及一种制冷循环方法及系统，其包括以下内容：1)在已有包括压缩机、冷凝器和蒸发器的蒸汽压缩循环系统中并联一包括喷射器、换热器和循环泵的喷射制冷循环系统；蒸汽压缩循环系统连接冷凝器换热管内的制冷工质，喷射制冷循环系统连接冷凝器换热管外的制冷工质，换热管内、外使用同一种制冷工质；2)利用冷凝器换热管外制冷工质吸收的热能作为驱动喷射制冷循环的热源；3)将喷射制冷循环和蒸汽压缩循环中的制冷工质分别通过一节流阀节流后引入蒸发器，提高蒸发器的制冷量；4)将蒸发器出口通过两调节阀，一路送入压缩机的吸气口，另一路被抽吸进入喷射器。本发明变废为宝，不但充分避免了原有设备产生热量对环境的污染，而且还有效地提高了设备的制冷效果。本发明可以广泛用于工业、商业、民用等制冷行业。
The present invention relates to a kind of refrigerating cycle method and system, and it comprises the following content: 1) In the existing vapor compression cycle system that includes compressor, condenser and evaporator, connect in parallel an ejector that includes ejector, heat exchanger and circulating pump Refrigeration cycle system; the vapor compression cycle system is connected to the refrigerant in the heat exchange tube of the condenser, and the jet refrigeration cycle system is connected to the refrigerant outside the heat exchange tube of the condenser, and the same refrigerant is used inside and outside the heat exchange tube; 2) Utilize The heat energy absorbed by the refrigerant outside the heat exchange tube of the condenser is used as the heat source for driving the jet refrigeration cycle; 3) The refrigerant in the jet refrigeration cycle and the vapor compression cycle are respectively throttled by a throttle valve and then introduced into the evaporator to increase the evaporation rate. 4) Send the outlet of the evaporator through two regulating valves, one way is sent to the suction port of the compressor, and the other way is sucked into the ejector. The invention turns waste into wealth, not only fully avoiding the environmental pollution caused by the heat generated by the original equipment, but also effectively improving the refrigeration effect of the equipment. The invention can be widely used in industrial, commercial, civil and other refrigeration industries.
Description
Technical field
The present invention relates to a kind of refrigerating and circulating method and system, particularly about a kind of refrigerating and circulating method and system that outside steam compression system, is parallel with the jet refrigeration circulation system.
Background technology
Along with expanding economy, society is increasing to the demand of air-conditioner, and the energy consumption problem of air-conditioning is the major issue that field of air conditioning is concerned about.Injector is that a kind of power capacity transmits pump, and its utilize high-pressure fluid to flow through suction function that injector nozzle causes extracts low-pressure fluid and enters the circulatory system.Drive the high-pressure fluid of injector work, can absorb heat from thermal source by compression working medium and obtain.Adopt injector to make the spray type refrigerating system of compression, pressurized part, have advantage simple in structure, that do not consume the high-grade electric energy.But when adopting spray type refrigerating separately, there are problems such as refrigerating capacity is influenced greatly by thermal source, cycle efficieny is low.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of efficient that can improve the compression-type refrigeration circulation, utilize cooling cycle system and the method for the heat energy of compression exhaust as the spraying cycle thermal source.
For achieving the above object, the present invention takes following technical scheme: a kind of refrigerating and circulating method, and it comprises following content: 1) the in parallel one jet refrigeration circulation system that comprises injector, heat exchanger and circulating pump in the existing steam compression circulating system that comprises compressor, condenser and evaporimeter; Steam compression circulating system connects the refrigeration working medium in the condenser heat exchanger tube, and the jet refrigeration circulation system connects the outer refrigeration working medium of condenser heat exchanger tube, and the inside and outside use of heat exchanger tube is with a kind of refrigeration working medium; 2) utilize the heat energy of the outer refrigeration working medium absorption of condenser heat exchanger tube as the thermal source that drives jet refrigeration circulation; 3) with the refrigeration working medium in jet refrigeration circulation and the steam compression cycle respectively by introducing evaporimeter after the choke valve throttling, improve the refrigerating capacity of evaporimeter; 4) evaporator outlet is passed through two control valves, the one tunnel sends into the air entry of compressor, and another road is sucked and enters injector.
Realize a kind of cooling cycle system of said method, it is characterized in that: it comprises a steam compression circulating system and a jet refrigeration circulation system; Described steam compression circulating system comprises a compressor, the outlet of described compressor connects the heat exchanger tube of a condenser by the road, the outlet of described heat exchanger tube is by being connected an evaporimeter by the road with choke valve, be arranged in parallel two control valves on the export pipeline of described evaporimeter, wherein a control valve connects the import of described compressor by the road; Described jet refrigeration circulation system comprises an injector, the outlet of described injector connects a heat exchanger by the road, the outlet of described heat exchanger connects a circulating pump by the road, two check-valves have been arranged in parallel on the described outlet of circulating pump pipeline, wherein a check-valves connects the cavity import of described condenser by the road, and the cavity outlet of described condenser connects the import of described injector by the road; Another described control valve connects the pump orifice of described injector by the road, and another described check-valves connects described evaporator after connecting another choke valve by the road.
The interior refrigeration working medium of refrigeration working medium in the described condenser heat exchanger tube and condenser cavity is identical.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention has been arranged in parallel a jet refrigeration circulation system outside steam compression system, therefore the heat drive jet refrigeration circulation system works that can produce with condenser, and by the cold liquid after the throttling of jet refrigeration circulation system being added the mode of steam compression system, improve the refrigerating capacity of original evaporimeter, thereby turn waste into wealth, so not only fully avoided existing equipment to produce the pollution of heat, but also improved the refrigeration of equipment effectively environment.2, the present invention is owing to be arranged in parallel two choke valves and two control valves in the mixing branch road of two circulatory system fluids, therefore can be according to actual needs by regulating two choke valves, adjusting enters the temperature of evaporimeter liquid, thereby obtains different refrigerating capacitys; Can regulate the flow that enters compressor and injector according to actual needs by regulating two control valves again simultaneously, make heat release and the jet refrigeration circulation system of steam compression system in condenser be complementary at the heat-obtaining of condenser.The present invention can be widely used in various cooling cycle systems.
Description of drawings
Fig. 1 is the structural representation of refrigeration system of the present invention
The specific embodiment
Be described in detail of the present invention below in conjunction with drawings and Examples.
As shown in Figure 1, cooling cycle system of the present invention comprises a steam compression circulating system (as shown in phantom in FIG.) and a jet refrigeration circulation system (shown in solid line among the figure).
Steam compression circulating system comprises a compressor 1, the outlet of compressor 1 is by the working medium runner pipe in pipeline 2 connections one condenser 3, the outlet of working medium runner pipe connects a choke valve 5 by pipeline 4, the outlet of choke valve 5 connects an evaporimeter 7 by pipeline 6, the outlet of evaporimeter 7 connects a control valve 9 by pipeline 8, and the outlet of control valve 9 connects the import of compressor 1 by pipeline 10.
The jet refrigeration circulation system comprises an injector 11, the outlet of injector 11 connects a heat exchanger 13 by pipeline 12, the outlet of heat exchanger 13 connects a circulating pump 15 by pipeline 14, the outlet of circulating pump 15 connects a check-valves 17 by pipeline 16, check-valves 17 is by the cavity of pipeline 18 connection condensers 3, and the cavity outlet of condenser 3 connects the import of injectors 11 by pipeline 19.
The pipeline 16 of jet refrigeration circulation system connects one by a pipeline 20 and sprays check-valves 21, and injection check-valves 21 connects one by pipeline 22 and sprays choke valve 23, sprays choke valve 23 and passes through the pipeline 6 that pipeline 24 is communicated with steam compression circulating systems.The pipeline 8 of steam compression circulating system connects one by pipeline 25 and sprays control valve 26, sprays control valve 26 connects injector 11 by pipeline 27 pump orifice.
In the foregoing description, what flow in steam compression cycle and the jet refrigeration circulation is identical refrigeration working medium.
The method of kind of refrigeration cycle of the present invention comprises, in steam compression circulating system, refrigeration working medium raises through compressor 1 compression back temperature and pressure, 2 enter condenser 3 heat releases by the road, again by the road 4, choke valve 5 throttlings and pipeline 6 enter evaporimeter 7, the refrigeration working medium endothermic gasification forms the low-temp low-pressure fluid and tells two-way by pipeline 8, leads up to control valve 9 and pipeline 10 to get back to compressor 1 and finish steam compression cycle; Another road by the road 25, spray control valve 26 and pipeline 27 enters injector 11 pump orifices, participate in jet refrigeration circulation.
In the jet refrigeration circulation system, high temperature refrigerant behind the endothermic gasification that flows out from the cavity outlet of condenser 3 19 enters injector 11 imports by the road, in injector 11, become high-velocity fluid, high-velocity fluid can be by the cryogen in the pump orifice aspiration 27 of injector 11,12 spray into heat exchanger 13 by the road after the mixing, 14 enter circulating pump 15 by the road after the heat release condensation, circulating pump 15 plays the effect that promotes refrigerant pressure and refrigeration working medium circulation.Refrigeration working medium is divided into two-way in the outlet of circulating pump 15, the one road by the road 16 and check-valves 17 get back to condenser 3 cavitys, finish jet refrigeration circulation; Another road by the road 20, spray check-valves 21, spray choke valve 23 and pipeline 24 enters pipeline 6, participate in steam compression cycle.
The various embodiments described above only are used to illustrate the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement all should not got rid of outside protection scope of the present invention.
Claims (3)
1. refrigerating and circulating method, it comprises following content:
1) the in parallel one jet refrigeration circulation system that comprises injector, heat exchanger and circulating pump in the existing steam compression circulating system that comprises compressor, condenser and evaporimeter; Steam compression circulating system connects the refrigeration working medium in the condenser heat exchanger tube, and the jet refrigeration circulation system connects the outer refrigeration working medium of condenser heat exchanger tube, and the inside and outside use of heat exchanger tube is with a kind of refrigeration working medium;
2) utilize the heat energy of the outer refrigeration working medium absorption of condenser heat exchanger tube as the thermal source that drives jet refrigeration circulation;
3) with the refrigeration working medium in jet refrigeration circulation and the steam compression cycle respectively by introducing evaporimeter after the choke valve throttling, improve the refrigerating capacity of evaporimeter;
4) evaporator outlet is passed through two control valves, the one tunnel sends into the air entry of compressor, and another road is sucked and enters injector.
2. realize a kind of cooling cycle system as claim 1 method, it is characterized in that: it comprises a steam compression circulating system and a jet refrigeration circulation system;
Described steam compression circulating system comprises a compressor, the outlet of described compressor connects the heat exchanger tube of a condenser by the road, the outlet of described heat exchanger tube is by being connected an evaporimeter by the road with choke valve, be arranged in parallel two control valves on the export pipeline of described evaporimeter, wherein a control valve connects the import of described compressor by the road;
Described jet refrigeration circulation system comprises an injector, the outlet of described injector connects a heat exchanger by the road, the outlet of described heat exchanger connects a circulating pump by the road, two check-valves have been arranged in parallel on the described outlet of circulating pump pipeline, wherein a check-valves connects the cavity import of described condenser by the road, and the cavity outlet of described condenser connects the import of described injector by the road;
Another described control valve connects the pump orifice of described injector by the road, and another described check-valves connects described evaporator after connecting another choke valve by the road.
3. as right 2 described a kind of cooling cycle systems, it is characterized in that: the interior refrigeration working medium of the refrigeration working medium in the described condenser heat exchanger tube and condenser cavity is identical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010199336 CN101865559A (en) | 2010-06-07 | 2010-06-07 | A refrigeration cycle method and system |
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| CN 201010199336 CN101865559A (en) | 2010-06-07 | 2010-06-07 | A refrigeration cycle method and system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453686A (en) * | 2013-08-29 | 2013-12-18 | 合肥天鹅制冷科技有限公司 | Liquid cooler with steam injection cooling function |
| 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 |
| CN110748937A (en) * | 2019-10-25 | 2020-02-04 | 河南理工大学 | Compressor double-pressure working condition large-temperature-difference heat taking electric drive heat pump unit and working method |
| CN110849032A (en) * | 2019-11-07 | 2020-02-28 | 江苏科技大学 | A Compression-Jet Refrigeration System Driven by Compressor Waste Heat |
| CN115235144A (en) * | 2022-08-24 | 2022-10-25 | 珠海格力电器股份有限公司 | Heat pump system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2733269Y (en) * | 2004-04-09 | 2005-10-12 | 天津大学 | Solar energy reinforcement injection and electric compression combination refrigerating installation |
| CN1749674A (en) * | 2005-09-29 | 2006-03-22 | 上海交通大学 | Compressor/Heat Source Hybrid Driving Automotive Air Conditioning Refrigeration System |
| JP2007248022A (en) * | 2006-03-20 | 2007-09-27 | Tokyo Gas Co Ltd | Air conditioning system |
-
2010
- 2010-06-07 CN CN 201010199336 patent/CN101865559A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2733269Y (en) * | 2004-04-09 | 2005-10-12 | 天津大学 | Solar energy reinforcement injection and electric compression combination refrigerating installation |
| CN1749674A (en) * | 2005-09-29 | 2006-03-22 | 上海交通大学 | Compressor/Heat Source Hybrid Driving Automotive Air Conditioning Refrigeration System |
| JP2007248022A (en) * | 2006-03-20 | 2007-09-27 | Tokyo Gas Co Ltd | Air conditioning system |
Non-Patent Citations (1)
| Title |
|---|
| 《低温工程》 20021201 郭静 张小松 一种新型喷射-压缩复合循环制冷系统节能运行优化工况点的探讨 48 1-3 , 第6期 2 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453686A (en) * | 2013-08-29 | 2013-12-18 | 合肥天鹅制冷科技有限公司 | Liquid cooler with steam injection cooling function |
| 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 |
| CN110748937A (en) * | 2019-10-25 | 2020-02-04 | 河南理工大学 | Compressor double-pressure working condition large-temperature-difference heat taking electric drive heat pump unit and working method |
| CN110849032A (en) * | 2019-11-07 | 2020-02-28 | 江苏科技大学 | A Compression-Jet Refrigeration System Driven by Compressor Waste Heat |
| CN115235144A (en) * | 2022-08-24 | 2022-10-25 | 珠海格力电器股份有限公司 | Heat pump system |
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Open date: 20101020 |