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CN106958960A - A kind of novel jet-type refrigeration system - Google Patents

A kind of novel jet-type refrigeration system Download PDF

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Publication number
CN106958960A
CN106958960A CN201710320094.4A CN201710320094A CN106958960A CN 106958960 A CN106958960 A CN 106958960A CN 201710320094 A CN201710320094 A CN 201710320094A CN 106958960 A CN106958960 A CN 106958960A
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CN
China
Prior art keywords
steam
stream
heat exchanger
heat exchangers
refrigeration system
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.)
Pending
Application number
CN201710320094.4A
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Chinese (zh)
Inventor
谢晶
汪磊
王金锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Maritime University
Shanghai Ocean University
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Shanghai Maritime University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201710320094.4A priority Critical patent/CN106958960A/en
Publication of CN106958960A publication Critical patent/CN106958960A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B19/00Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
    • F25B19/02Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour using fluid jet, e.g. of steam
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

A kind of novel jet-type refrigeration system includes water tank, water circulating pump, solar energy heat collector, injector, steam-to-steam heat exchanger, three stream heat exchangers, liquid reservoir, device for drying and filtering, first throttle valve, second throttle, flash vessel, generator.The performance of ejector refrigeration system is improved provided with three fluid heat exchangers after injector and using flash vessel.The present invention consider solar energy cleaning, it is environmentally friendly, lasting, permanent, universal the advantages of, freezed using solar energy, whole system flow sheet equipment is less, the small disposable fund input of floor space is less, and there is obvious advantage in terms of energy-saving and emission-reduction with environmental protection as refrigeration working medium using ammonia.

Description

A kind of novel jet-type refrigeration system
Technical field
The invention belongs to freeze and low temperature field, it is related to a kind of novel jet-type refrigeration system, more particularly to one kind is carried The novel jet-type refrigeration system of three stream heat exchangers.
Background technology
Conventional refrigeration refrigerant is compressed within the compressor, and exothermic condensation is carried out in condenser, is being steamed after throttling Evaporation endothermic in device is sent out, the medium for needing to carry out low-temperature treatment is cooled.Refrigeration system need to consider system oil return when running The problems such as so that refrigeration system becomes complicated.In real life, solar energy as a kind of reproducible new energy, with cleaning, Environmental protection, lasting, long advantage of waiting so long, it has also become one of important selection of reply energy shortage, climate change and energy-saving and emission-reduction, if this A little the Nature energy can reasonably be used to freeze, and can not only save mass energy, improve fisherman's living environment, while reducing has The discharge of evil gas, also has very big advantage in terms of energy-saving and emission-reduction with environmental protection.
The content of the invention
In order to solve problem above, the technical solution adopted by the present invention is:A kind of novel jet-type refrigeration system includes water Case, water circulating pump, solar energy heat collector, injector, steam to-steam heat exchanger, three stream heat exchangers, liquid reservoir, dry filter Device, first throttle valve, second throttle, flash vessel, generator, it is characterised in that:The generator and steam to-steam heat exchanger it Between be provided with injector;Be provided with flash vessel between first throttle valve and second throttle, the steam to-steam heat exchanger and liquid reservoir it Between be provided with three stream heat exchangers;Refrigerant is flowed out through steam to-steam heat exchanger from injector outlet, from three stream heat exchanger import f Into after the heat exchange of three stream heat exchangers;From three stream heat exchangers outlet e outflows, liquid reservoir is subsequently entered;By device for drying and filtering After dry filter, flash vessel is flowed into after being throttled through first throttle valve, after gas refrigerant is heated into generator, into injection The refrigerant that device suction is exported from three stream heat exchanger b, liquid refrigerant exchanges heat after being throttled through second throttle from three plumes Device import a enters after the heat exchange of three stream heat exchangers, enters after entering steam to-steam heat exchanger heat exchange from three stream heat exchangers outlet b Injector;The working medium for carrying out low-temperature treatment is needed to enter three stream heat exchangers from three stream heat exchanger c imports, from the heat exchange of three plumes Device d outlets outflow, water tank, water circulating pump, solar energy heat collector, generator composition loop, tank outlet enters with water circulating pump Mouth is connected, and water circulating pump outlet is connected with solar energy heat collector import, solar energy heat collector outlet and generator import phase Even, generator exports are connected with water tank import, and water flows out from tank outlet, are heated through water circulating pump into solar energy heat collector Afterwards, heat is provided with flowing into water tank after refrigerant heat exchanger for the heating of refrigerant into generator.
Described steam to-steam heat exchanger is finned heat exchanger, increases heat exchange area, improves heat exchange efficiency.
Described solar energy heat collector is special-shaped flat plate collector, can with selective absorbing sunshine, absorption intensity Up to normal light according to 20 times of light intensity.
Described injector is conical mixing chamber gas ejector, is more than or equal to 5 in expansion ratio, compression ratio is more than or equal to When 2.6, ejection efficiency can be improved relative to cylindrical mixing chamber gas ejector.
Described first throttle valve is electric expansion valve and jet pump with second throttle, reduces the loss of system conclusion, carries High system performance.
Described conical mixing chamber gas ejector replaces traditional compressor with turbocharger, it is to avoid compressor oil return And the problems such as conventional refrigeration.
Three described fluid heat exchanger import c are the medium inlet for needing to carry out low-temperature treatment, three fluid heat exchangers outlet d For the media outlet after low-temperature treatment.
Compared with prior art, the beneficial effects of the invention are as follows:
In a kind of novel jet-type refrigeration system of the present invention, using three fluid heat exchangers, injector, it is to avoid used traditional Evaporator, condenser and compressor, floor space is small compared with conventional refrigeration and avoids legacy system problem of oil return, reduces The moving component of refrigeration system improves the security reliability of refrigeration system, while improving refrigeration system refrigeration using flash vessel Efficiency, in energy-saving and emission-reduction with being had a clear superiority in environmental protection.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of novel jet-type refrigeration system of the present invention.
Wherein 1, water tank;2nd, water circulating pump;3rd, solar energy heat collector;4th, injector;5th, steam to-steam heat exchanger;6th, three Stream heat exchanger;7th, liquid reservoir;8th, device for drying and filtering;9th, first throttle valve;10th, flash vessel;11st, second throttle;12nd, occur Device.
Embodiment
To make refrigeration system of the invention be easier to understand with understanding below in conjunction with the drawings and specific embodiments to the present invention It is described in detail.
A kind of novel jet-type refrigeration system, including water tank 1, diesel engine 2, solar energy heat collector 3, injector 4, vapour- Steam-to-steam heat exchanger 5, three stream heat exchangers 6, liquid reservoir 7, device for drying and filtering 8, first throttle valve 9, flash vessel 10, second throttle 11st, generator 12.Refrigerant exports outflow through steam to-steam heat exchanger from injector, enters three strands from three stream heat exchanger import f Flow after heat exchanger heat exchange;From three stream heat exchangers outlet e outflows, liquid reservoir is subsequently entered;By device for drying and filtering dry filter Afterwards, flash vessel is flowed into after being throttled through first throttle valve, after gas refrigerant is heated into generator, is come into sprayer pumps The refrigerant exported from three stream heat exchanger b, liquid refrigerant enters after being throttled through second throttle from three stream heat exchanger import a Enter after the heat exchange of three stream heat exchangers, enter injector 4 after entering steam to-steam heat exchanger heat exchange from three stream heat exchangers outlet b;Need The working medium for carrying out low-temperature treatment enters three stream heat exchangers 6 from three stream heat exchanger 6c imports, goes out from three stream heat exchanger 6d Mouth outflow, water tank 1, water circulating pump 2, solar energy heat collector 3, the composition of generator 12 loop, the outlet of water tank 1 and water circulating pump 2 Import is connected, and the outlet of water circulating pump 2 is connected with the import of solar energy heat collector 3, the outlet of solar energy heat collector 3 and generator 12 Import is connected, and the outlet of generator 12 is connected with the import of water tank 1, and water is exported from water tank 1 to flow out, and enters solar energy through water circulating pump 2 After heat collector 3 is heated, heat is provided with flowing into water tank 1 after refrigerant heat exchanger for the heating of refrigerant into generator 12.
Inventive refrigeration system working media flow:Refrigerant is flowed out through steam to-steam heat exchanger from injector outlet, from three Stream heat exchanger import f enters after the heat exchange of three stream heat exchangers;From three stream heat exchangers outlet e outflows, liquid reservoir is subsequently entered; After device for drying and filtering dry filter, flash vessel is flowed into after being throttled through first throttle valve, gas refrigerant enters generator quilt After heating, the refrigerant exported into sprayer pumps from three stream heat exchanger b, liquid refrigerant throttles through second throttle Enter afterwards from three stream heat exchanger import a after the heat exchange of three stream heat exchangers, entering vapour-vapour heat from three stream heat exchangers outlet b hands over Enter injector 4 after parallel operation heat exchange, it is necessary to which the working medium for carrying out low-temperature treatment is changed from three stream heat exchanger 6c imports into three plumes Hot device 6, exports from three stream heat exchanger 6d and flows out.
Solar thermal collection system working media flow of the present invention:Water is exported from water tank 1 to flow out, and enters too through water circulating pump 2 After positive energy heat collector 3 is heated, heat is provided with flowing into water tank after refrigerant heat exchanger for the heating of refrigerant into generator 12 1。
Freezed in a kind of novel jet-type refrigeration system of the present invention using solar energy, replaced by using injector Traditional compressor, reduces system motion part, adds system operation security reliability while avoiding considering system oil return problem; Using three fluid heat exchangers, it is to avoid use traditional condenser and evaporator;Cooling system efficiency is just improved using flash vessel simultaneously, The simple whole system flow sheet equipment of whole system flow structure is less so that inventive refrigeration system takes up an area face compared with conventional refrigeration Product is smaller.
Analysis is understood above, a kind of novel jet-type refrigeration system of the invention, no traditional condenser, evaporator and pressure The use of contracting machine, cooling system efficiency is improved using flash vessel, and system architecture is simple, and floor space is small need not to consider system oil return The problems such as simultaneously, energy-saving and emission-reduction with environmental protection on have a clear superiority.

Claims (7)

1. a kind of novel jet-type refrigeration system includes water tank(1), water circulating pump(2), solar energy heat collector(3), injector (4), steam to-steam heat exchanger(5), three stream heat exchangers(6), liquid reservoir(7), device for drying and filtering(8), first throttle valve(9), Two choke valves(11), flash vessel(10), generator(12), it is characterised in that:The generator(12)With steam to-steam heat exchanger (5)Between be provided with injector(4);First throttle valve(9)With second throttle(11)Between be provided with flash vessel(10), the vapour- Steam-to-steam heat exchanger(5)With liquid reservoir(7)Between be provided with three stream heat exchangers;Refrigerant is from injector(12)Outlet outflow through vapour- Steam-to-steam heat exchanger(5), from three stream heat exchangers(6)Import f enters three stream heat exchangers(6)After heat exchange;From three stream heat exchangers (6)E outflows are exported, liquid reservoir is subsequently entered(7);By device for drying and filtering(8)After dry filter, through first throttle valve(9)Section Flash vessel is flowed into after stream(10), gas refrigerant enters generator(12)After being heated, into injector(4)Suction comes from three strands Flow heat exchanger(6)The refrigerant of b outlets, liquid refrigerant is through second throttle(11)From three stream heat exchangers after throttling(6)Enter Mouth a enters three stream heat exchangers(6)After heat exchange, from three stream heat exchangers(6)Outlet b enters steam to-steam heat exchanger(5)After heat exchange Into injector(4);The working medium for carrying out low-temperature treatment is needed from three stream heat exchangers(6)C imports enter three stream heat exchangers (6), from three stream heat exchangers(6)D outlets outflow, water tank(1), water circulating pump(2), solar energy heat collector(3), generator (12)Constitute loop, water tank(1)Outlet and water circulating pump(2)Import is connected, water circulating pump(2)Outlet and solar energy heat collector (3)Import is connected, solar energy heat collector(3)Outlet and generator(12)Import is connected, generator(12)Outlet and water tank(1) Import is connected, and water is from water tank(1)Outlet outflow, through water circulating pump(2)Into solar energy heat collector(3)After heating, into hair Raw device(12)Heat is provided with flowing into water tank after refrigerant heat exchanger for the heating of refrigerant(1).
2. a kind of novel jet-type refrigeration system according to claim 1, it is characterised in that described steam to-steam heat exchanger (5)For finned heat exchanger.
3. a kind of novel jet-type refrigeration system according to claim 1, it is characterised in that described generator(12)For Superconduction heat exchange of heat pipe.
4. a kind of novel jet-type refrigeration system according to claim 1, it is characterised in that described solar energy heating dress Put(3)For special-shaped flat plate collector, 20 times of light intensity can be shone up to normal light with selective absorbing sunshine, absorption intensity.
5. a kind of novel jet-type refrigeration system according to claim 1, it is characterised in that use ammonia as refrigeration working medium.
6. a kind of novel jet-type refrigeration system according to claim 1, it is characterised in that described injector(12)For Conical mixing chamber gas ejector.
7. a kind of novel jet-type refrigeration system according to claim 1, it is characterised in that described first throttle valve(9) With first throttle valve(11)For electric expansion valve and jet pump, system throttles loss can be reduced and improve system performance.
CN201710320094.4A 2017-05-09 2017-05-09 A kind of novel jet-type refrigeration system Pending CN106958960A (en)

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Application Number Priority Date Filing Date Title
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CN106958960A true CN106958960A (en) 2017-07-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108007009A (en) * 2017-11-07 2018-05-08 西安交通大学 A kind of the solar-energy jet-type waring and cooling air conditioning system and operational mode of waste heat auxiliary

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423028A (en) * 1967-04-28 1969-01-21 Du Pont Jet fluid mixing device and process
CN102168895A (en) * 2006-10-02 2011-08-31 艾默生环境优化技术有限公司 Injection system and method for refrigeration system compressor
CN202221182U (en) * 2011-05-06 2012-05-16 艾默生环境优化技术有限公司 Steam injection device and refrigerating system with same
CN103707736A (en) * 2012-09-29 2014-04-09 杭州三花研究院有限公司 Automobile air-conditioning system
CN103968574A (en) * 2014-04-21 2014-08-06 南京师范大学 Heat supply method of efficient energy storage type solar heat pump operating around clock
CN104019579A (en) * 2014-06-10 2014-09-03 中国科学院理化技术研究所 Mixed working medium low-temperature refrigeration cycle system for driving ejector by utilizing waste heat
CN104534739A (en) * 2014-12-25 2015-04-22 中国科学院广州能源研究所 Flash evaporation-diffusion absorption refrigerating system
CN104879946A (en) * 2015-06-11 2015-09-02 南京工业大学 Novel backheating type low-temperature circulating refrigerating system
KR101683392B1 (en) * 2015-08-25 2016-12-07 한국과학기술원 Ejector type refrigeration and purification system for cooling of refrigerants and purifying of fluids
CN106546026A (en) * 2016-10-25 2017-03-29 西安交通大学 Using the non-azeotropic mixed working medium fractional condensation Duel-temperature refrigeration cycle system of ejector potentiation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423028A (en) * 1967-04-28 1969-01-21 Du Pont Jet fluid mixing device and process
CN102168895A (en) * 2006-10-02 2011-08-31 艾默生环境优化技术有限公司 Injection system and method for refrigeration system compressor
CN202221182U (en) * 2011-05-06 2012-05-16 艾默生环境优化技术有限公司 Steam injection device and refrigerating system with same
CN103707736A (en) * 2012-09-29 2014-04-09 杭州三花研究院有限公司 Automobile air-conditioning system
CN103968574A (en) * 2014-04-21 2014-08-06 南京师范大学 Heat supply method of efficient energy storage type solar heat pump operating around clock
CN104019579A (en) * 2014-06-10 2014-09-03 中国科学院理化技术研究所 Mixed working medium low-temperature refrigeration cycle system for driving ejector by utilizing waste heat
CN104534739A (en) * 2014-12-25 2015-04-22 中国科学院广州能源研究所 Flash evaporation-diffusion absorption refrigerating system
CN104879946A (en) * 2015-06-11 2015-09-02 南京工业大学 Novel backheating type low-temperature circulating refrigerating system
KR101683392B1 (en) * 2015-08-25 2016-12-07 한국과학기술원 Ejector type refrigeration and purification system for cooling of refrigerants and purifying of fluids
CN106546026A (en) * 2016-10-25 2017-03-29 西安交通大学 Using the non-azeotropic mixed working medium fractional condensation Duel-temperature refrigeration cycle system of ejector potentiation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108007009A (en) * 2017-11-07 2018-05-08 西安交通大学 A kind of the solar-energy jet-type waring and cooling air conditioning system and operational mode of waste heat auxiliary

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Application publication date: 20170718