CN104019579B - Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector - Google Patents

Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector Download PDF

Info

Publication number
CN104019579B
CN104019579B CN201410256899.3A CN201410256899A CN104019579B CN 104019579 B CN104019579 B CN 104019579B CN 201410256899 A CN201410256899 A CN 201410256899A CN 104019579 B CN104019579 B CN 104019579B
Authority
CN
China
Prior art keywords
heat exchanger
recuperative heat
outlet
injector
pressure
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.)
Active
Application number
CN201410256899.3A
Other languages
Chinese (zh)
Other versions
CN104019579A (en
Inventor
公茂琼
程逵炜
邹鑫
吴剑峰
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.)
Technical Institute of Physics and Chemistry of CAS
Original Assignee
Technical Institute of Physics and Chemistry of CAS
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
Application filed by Technical Institute of Physics and Chemistry of CAS filed Critical Technical Institute of Physics and Chemistry of CAS
Priority to CN201410256899.3A priority Critical patent/CN104019579B/en
Publication of CN104019579A publication Critical patent/CN104019579A/en
Application granted granted Critical
Publication of CN104019579B publication Critical patent/CN104019579B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine

Abstract

Utilize waste heat to drive a mixed working fluid low-temperature refrigeration circulating device for injector, comprise driving pump, steam generator, injector, condenser, gas-liquid separator, the first Recuperative heat exchanger, the second Recuperative heat exchanger, first throttle valve and evaporimeter; Mixed working fluid liquid phase component enters steam generator after pump supercharging becomes high temperature and high pressure gas, then enters injector injection mixed work medium for throttling cryogenic fluid; Then enter condenser, be cooled to vehicle repair major fluid, after gas-liquid separator separates, gaseous component produces low temperature after entering Recuperative heat exchanger choke valve, by injector injection enter Recuperative heat exchanger rewarming again after evaporimeter heat absorption after; Liquid phase working fluid divides two strands, and the laggard Recuperative heat exchanger of one throttling provides precooling, and by injector injection after mixing with gas-phase working medium, another stock enters pump and is pressurized, and completes circulation as driving fluid.The present invention utilizes waste heat to produce high temperature and high pressure steam completely, drives the working medium after the throttling of injector injection, to realize energy-efficient cryogenic refrigeration.

Description

Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector
Technical field
The present invention relates to mixed work medium for throttling refrigerating field, particularly a kind of mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector.
Background technology
Injector is the turbulent diffusion utilizing jet, the two fluids of different pressures is mixed mutually and carries out the fluid device of energy exchange.Utilize the injection refrigeration machine of injector to be the refrigeration machine that a kind of low-grade energy drives, clean environment firendly, compared with freezing with conventional vapor-compression, injection refrigeration does not need electrically-driven compressors, and can utilize waste heat, solar energy etc., energy-saving effect is remarkable.Compared with utilizing the absorption refrigeration of heat-driven equally, injection refrigeration structure is simple, and cryogenic temperature is lower, has higher low-grade energy utilization ratio.
Conventional injection refrigeration adopts unitary system cryogen or near-azeotrope refrigerant, is applied to general cold field.With the mixed working medium auto-cascade low-temperature refrigeration circulating device of injector in prior art, as patent 200610104937.9, with compressor, utilize the steam after gas-liquid separator separates liquid phase injection evaporimeter, promote compressor inlet pressure, reduce compressor pressure ratio, and then reduce compressor power consumption, and the system of patent of the present invention is not containing compressor, waste heat can be utilized to drive.A kind of injection type Cryo Refrigerator of patent 200910064001.1 invention, low-grade energy can be utilized to obtain low temperature cold, and the system of this invention contains rectifying column, three choke valves and three injectors, and component parts is many, and flow process is complicated.
Summary of the invention
The object of the invention is to provide a kind of mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector.
Realize the first technical scheme of the present invention as follows:
The mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector provided by the invention, it comprises driving pump 110, steam generator 120, injector 130, condenser 140, gas-liquid separator 150, first Recuperative heat exchanger 160, second Recuperative heat exchanger 170, first throttle valve 180 and evaporimeter 190;
Described steam generator 120 is by industrial exhaust heat, underground heat or Driven by Solar Energy, and mixed working fluid is added thermosetting steam in steam generator 120;
Described driving pump 110 outlet is connected with described steam generator 120 entrance, described steam generator 120 exports and connects described injector 130 high pressure entry, described injector 130 exports and connects described condenser 140 entrance, described condenser 140 outlet is connected with described gas-liquid separator 150 entrance, described gas-liquid separator 150 gas vent connects described first Recuperative heat exchanger 160 high pressure entry, described first Recuperative heat exchanger 160 high-pressure outlet is connected with described second Recuperative heat exchanger 170 high pressure entry, described second Recuperative heat exchanger 170 high-pressure outlet connects described evaporimeter 190 entrance by first throttle valve 180, described evaporimeter 190 exports and connects described second Recuperative heat exchanger 170 low-pressure inlet, described second Recuperative heat exchanger 170 low tension outlet connects described first Recuperative heat exchanger 160 low-pressure inlet, described first Recuperative heat exchanger 170 low tension outlet is connected to form the first closed circuit with described injector 130 low-pressure inlet,
Described gas-liquid separator 150 liquid outlet is divided into first liquid outlet branch road M1 and second liquid outlet branch road M2;
Described first liquid outlet branch road M1 connects described driving pump 110 entrance, forms the second closed circuit together with being communicated in steam generator 120, injector 130, condenser 140 and the gas-liquid separator 150 that driving pump 110 exports successively;
Described second liquid outlet branch road M2 connects described first Recuperative heat exchanger 160 low-pressure inlet by described second throttle 111, forms the 3rd closed circuit together with being communicated in injector 130, condenser 140 and the gas-liquid separator 150 that the first Recuperative heat exchanger 160 exports successively.
The mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector of the present invention, also can comprise the 3rd Recuperative heat exchanger 112, described 3rd Recuperative heat exchanger 112 high pressure entry exports with described driving pump 110 and is connected, and described 3rd Recuperative heat exchanger 112 high-pressure outlet is connected with described steam generator 120 entrance; Described 3rd Recuperative heat exchanger 112 low-pressure inlet exports with described injector 130 and is connected, and described 3rd Recuperative heat exchanger 112 low tension outlet is connected with described condenser 140 entrance.
The mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector of the present invention, also can comprise the 4th Recuperative heat exchanger 113 further, described 4th Recuperative heat exchanger 113 high pressure entry exports with described condenser 140 and is connected, and described 4th Recuperative heat exchanger 113 high-pressure outlet is connected with described gas-liquid separator 150 gas access; Described 4th Recuperative heat exchanger 113 low-pressure inlet is connected with described first Recuperative heat exchanger 160 low tension outlet, and described 4th Recuperative heat exchanger 113 low tension outlet is connected with described injector 130 low-pressure inlet.
Realize the second technical scheme of the present invention as follows:
The mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector provided by the invention, it comprises driving pump 110, steam generator 120, injector 130, condenser 140, gas-liquid separator 150, first Recuperative heat exchanger 160, second Recuperative heat exchanger 170, first throttle valve 180 and evaporimeter 190;
Described steam generator 120 is by industrial exhaust heat, underground heat or Driven by Solar Energy, and mixed working fluid is added thermosetting steam in steam generator 120;
Described driving pump 110 outlet is connected with described steam generator 120 entrance, described steam generator 120 exports and connects described injector 130 high pressure entry, described injector 130 exports and connects described condenser 140 entrance, described condenser 140 outlet is connected with described gas-liquid separator 150 entrance, described gas-liquid separator 150 gas vent connects described first Recuperative heat exchanger 160 high pressure entry, described first Recuperative heat exchanger 160 high-pressure outlet is connected with described second Recuperative heat exchanger 170 high pressure entry, described second Recuperative heat exchanger 170 high-pressure outlet connects described evaporimeter 190 entrance by first throttle valve 180, described evaporimeter 190 exports and connects described second Recuperative heat exchanger 170 low-pressure inlet, described second Recuperative heat exchanger 170 low tension outlet connects described first Recuperative heat exchanger 160 low-pressure inlet, described first Recuperative heat exchanger 170 low tension outlet is connected to form the first closed circuit with described injector 130 low-pressure inlet,
Described gas-liquid separator 150 liquid outlet is divided into first liquid outlet branch road M1 and second liquid outlet branch road M2;
Described first liquid outlet branch road M1 connects described driving pump 110 entrance, forms the second closed circuit together with being communicated in steam generator 120, injector 130, condenser 140 and the gas-liquid separator 150 that driving pump 110 exports successively;
Described second liquid outlet branch road M2 connects the second high pressure entry of the first Recuperative heat exchanger 160, second high-pressure outlet of the first Recuperative heat exchanger 160 is connected with described first Recuperative heat exchanger 160 low-pressure inlet by described second throttle 111, forms the 3rd closed circuit together with being communicated in the injector 130 of the first Recuperative heat exchanger 160 low tension outlet, condenser 140 and gas-liquid separator 150 successively.
The mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector of the present invention, also can comprise the 3rd Recuperative heat exchanger 112, described 3rd Recuperative heat exchanger 112 high pressure entry connects described driving pump 110 and exports, and described 3rd Recuperative heat exchanger 112 high-pressure outlet is connected with described steam generator 120 entrance; Described 3rd Recuperative heat exchanger 112 low-pressure inlet connects described injector 130 and exports, and described 3rd Recuperative heat exchanger 112 low tension outlet is connected with described condenser 140 entrance.
The mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector of the present invention, also can comprise the 4th Recuperative heat exchanger 113 further, described 4th Recuperative heat exchanger 113 high pressure entry connects described condenser 140 and exports, and described 4th Recuperative heat exchanger 113 high-pressure outlet is connected with described gas-liquid separator 150 entrance; Described 4th Recuperative heat exchanger 113 low-pressure inlet connects described first Recuperative heat exchanger 160 low tension outlet, and described 4th Recuperative heat exchanger 113 low tension outlet is connected with described injector 130 low-pressure inlet.
Mixed working fluid used in the present invention can be HCFC, HFC or HC class cold-producing medium.
The mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector of the present invention, by the high pressure higher boiling Working medium gas injection of the steam generator outlet low-pressure gaseous mixed working fluid from Recuperative heat exchanger, the mixed working fluid condensation within the condenser of pressure is improved through injection, condensed working medium is separated into two-phase in gas-liquid separator, gas-phase working medium throttling after Recuperative heat exchanger cooling obtains lower cryogenic temperature, for evaporimeter provides low temperature, then enter injector as driving fluid after Recuperative heat exchanger backheat; Liquid phase is higher boiling working medium, is divided into two parts, enters Recuperative heat exchanger low-pressure channel after a part of throttling, and for heat exchanger provides the cold in higher temperatures district, and another part is by pump adherence pressure, after steam generator gasification, enter injector as working fluid.
The present invention utilizes injector to substitute compressor for driving mixed work medium for throttling kind of refrigeration cycle, effectively can utilize low-grade heat source, and as solar energy, industrial waste heat etc. obtain the cryogenic temperature lower than traditional injection refrigeration.Be particularly suitable for the occasion that existing cryogenic refrigeration requirement has again low temperature exhaust heat, energy saving of system successful; The present invention by increase regenerator by hydraulic fluid in the mixing after injection before entering condenser with pump after fluid carry out backheat, reduce heat exhaustion in steam generator; Using the fluid as precooling after gas-liquid separator separates, throttling again after excessively cold in Recuperative heat exchanger, reduces throttling process irreversible loss, improves energy utilization rate.
Accompanying drawing explanation
Fig. 1 is the theory and structure schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the theory and structure schematic diagram of the embodiment of the present invention 2;
Fig. 3 is the theory and structure schematic diagram of the embodiment of the present invention 3;
Fig. 4 is the theory and structure schematic diagram of the embodiment of the present invention 4;
Fig. 5 is the theory and structure schematic diagram of the embodiment of the present invention 5;
Fig. 6 is the theory and structure schematic diagram of the embodiment of the present invention 6.
Detailed description of the invention
The present invention is further described below in conjunction with drawings and Examples:
Embodiment 1
Fig. 1 is the embodiment utilizing waste heat to drive the first technical scheme of mixed working fluid low-temperature refrigeration circulating device of injector of the present invention; As shown in Figure 1, the waste heat that utilizes of the present embodiment drives the mixed working fluid low-temperature refrigeration circulating device of injector, and it comprises driving pump 110, steam generator 120, injector 130, condenser 140, gas-liquid separator 150, first Recuperative heat exchanger 160, second Recuperative heat exchanger 170, first throttle valve 180 and evaporimeter 190; Described steamed vapour generator is driven by industrial exhaust heat, and mixed working fluid is heated wherein;
Described driving pump 110 outlet is connected with described steam generator 120 entrance, described steam generator 120 exports and connects described injector 130 high pressure entry, described injector 130 exports and connects described condenser 140 entrance, described condenser 140 outlet is connected with described gas-liquid separator 150 entrance, described gas-liquid separator 150 gas vent connects described first Recuperative heat exchanger 160 high pressure entry, described first Recuperative heat exchanger 160 high-pressure outlet is connected with described second Recuperative heat exchanger 170 high pressure entry, described second Recuperative heat exchanger 170 high-pressure outlet connects described evaporimeter 190 entrance by first throttle valve 180, described evaporimeter 190 exports and connects described second Recuperative heat exchanger 170 low-pressure inlet, described second Recuperative heat exchanger 170 low tension outlet connects described first Recuperative heat exchanger 160 low-pressure inlet, described first Recuperative heat exchanger 170 low tension outlet is connected to form the first closed circuit with described injector 130 low-pressure inlet,
Described gas-liquid separator 150 liquid outlet is divided into first liquid outlet branch road M1 and second liquid outlet branch road M2; Described first liquid outlet branch road M1 connects described driving pump 110 entrance, forms the second closed circuit together with being communicated in steam generator 120, injector 130, condenser 140 and the gas-liquid separator 150 that driving pump 110 exports successively; Described second liquid outlet branch road M2 connects described first Recuperative heat exchanger 160 low-pressure inlet by described second throttle 111, forms the 3rd closed circuit together with being communicated in injector 130, condenser 140 and the gas-liquid separator 150 that the first Recuperative heat exchanger 160 exports successively.
Its workflow is as follows: the liquid phase mixed working fluid after booster pump 110 supercharging is gasified by waste-heat in steam generator 120, become the gaseous state mixed working fluid of HTHP, then injector 130 is entered as high-pressure fluid, injector is left after mixing with low-pressure fluid, enter condenser 140 partial condensation, be then separated into gas-liquid two-phase at gas-liquid separator 150.Gas-liquid separator gas phase mixed working fluid flows through the high-pressure channel of the first Recuperative heat exchanger and the second Recuperative heat exchanger successively, throttling in first throttle valve 180 after temperature reduces, after throttling, pressure, temperature reduce, enter after evaporimeter 190 provides cold and enter the second Recuperative heat exchanger and the first Recuperative heat exchanger, cooling high-pressure working medium, own temperature raises, and enters the low-pressure inlet of injector, completes circulation.A liquid phase mixed working fluid part bottom gas-liquid separator goes booster pump supercharging, another part enters the first Recuperative heat exchanger low-pressure inlet after second throttle throttling, mix with the mixed working fluid from the second Recuperative heat exchanger low tension outlet, one is all the first Recuperative heat exchanger high-pressure working medium provides cold, then enters injector low-pressure inlet and complete circulation.
Embodiment 2
Fig. 2 is another embodiment of the first technical scheme of the present invention; The difference of this embodiment and embodiment 1 is, also comprise the 3rd Recuperative heat exchanger 112, described 3rd Recuperative heat exchanger 112 high pressure entry exports with described driving pump 110 and is connected, and described 3rd Recuperative heat exchanger 112 high-pressure outlet is connected with described steam generator 120 entrance; Described 3rd Recuperative heat exchanger 112 low-pressure inlet exports with described injector 130 and is connected, and described 3rd Recuperative heat exchanger 112 low tension outlet is connected with described condenser 140 entrance.
The present embodiment remainder is identical with embodiment 1; The present embodiment 2 adds the 3rd Recuperative heat exchanger 112 compared with embodiment 1, utilizes injector 130 to export heat heating supercharging driving pump 110 outlet fluid of working medium, improves efficiency of energy utilization.
Embodiment 3
Fig. 3 is an embodiment again of the first technical scheme of the present invention; The present embodiment 3 turn increases the 4th Recuperative heat exchanger 113 on the basis of embodiment 2, described 4th Recuperative heat exchanger 113 high pressure entry exports with described condenser 140 and is connected, and described 4th Recuperative heat exchanger 113 high-pressure outlet is connected with described gas-liquid separator 150 gas access; Described 4th Recuperative heat exchanger 113 low-pressure inlet is connected with described first Recuperative heat exchanger 160 low tension outlet, and described 4th Recuperative heat exchanger 113 low tension outlet is connected with described injector 130 low-pressure inlet.
The present embodiment remainder is identical with embodiment 2; The present embodiment 3 turn increases the 4th Recuperative heat exchanger 113 compared with embodiment 2, the working medium of the first regenerator low tension outlet is utilized to cool the fluid entering gas-liquid separator, reduce separation temperature, make in liquid phase containing more mid-boiling point working medium, higher injector operating pressure can be obtained under same occurrence temperature, improve system effectiveness.
Embodiment 4
Fig. 4 is an embodiment of the second technical scheme of the present invention; Utilize waste heat to drive a mixed working fluid low-temperature refrigeration circulating device for injector, it comprises driving pump 110, steam generator 120, injector 130, condenser 140, gas-liquid separator 150, first Recuperative heat exchanger 160, second Recuperative heat exchanger 170, first throttle valve 180 and evaporimeter 190;
Described steamed vapour generator is by Driven by Solar Energy, and mixed working fluid is heated wherein;
Described driving pump 110 outlet is connected with described steam generator 120 entrance, described steam generator 120 exports and connects described injector 130 high pressure entry, described injector 130 exports and connects described condenser 140 entrance, described condenser 140 outlet is connected with described gas-liquid separator 150 gas access, described gas-liquid separator 150 gas vent connects described first Recuperative heat exchanger 160 first high pressure entry, described first Recuperative heat exchanger 150 first high-pressure outlet is connected with described second Recuperative heat exchanger 170 high pressure entry, described second Recuperative heat exchanger 170 high-pressure outlet connects described evaporimeter 190 entrance by first throttle valve 180, described evaporimeter 190 exports and connects described second Recuperative heat exchanger 170 low-pressure inlet, described second Recuperative heat exchanger 170 low tension outlet connects described first Recuperative heat exchanger 160 low-pressure inlet, described first Recuperative heat exchanger 160 low tension outlet is connected to form the first closed circuit with described injector 130 low-pressure inlet,
Described gas-liquid separator 150 liquid outlet is divided into first liquid outlet branch road M1 and second liquid outlet branch road M2;
Described first liquid outlet branch road M1 connects described driving pump 110 entrance, forms the second closed circuit together with being communicated in steam generator 120, injector 130, condenser 140 and the gas-liquid separator 150 that driving pump 110 exports successively;
Described second liquid outlet branch road M2 connects the first Recuperative heat exchanger 160 second high pressure entry, first Recuperative heat exchanger 160 second high-pressure outlet is connected with described first Recuperative heat exchanger 160 low-pressure inlet by described second throttle 111, enters interruption-forming the 3rd closed circuit together with being communicated in the injector 130 of the first Recuperative heat exchanger 160 low tension outlet, condenser 140 and gas-liquid separator 150 successively.
The present embodiment 4 and the difference of embodiment 1 are that the first Recuperative heat exchanger 160 is containing three plume roads, and the second liquid outlet branch road M2 of gas-liquid separator 150 connects the 3rd entrance of the first Recuperative heat exchanger 160, and its 3rd outlet is connected to second throttle 111.
The present embodiment remainder is identical with embodiment 1; In the present embodiment the working medium of second liquid outlet branch road M2 first must be in the first Recuperative heat exchanger 160 before entering choke valve cold after throttling again, throttling process irreversible loss can be reduced, improve system energy utilization rate.
Embodiment 5
Fig. 5 is another embodiment of the second technical scheme of the present invention; The difference of this embodiment and embodiment 4 is, also comprise the 3rd Recuperative heat exchanger 112, described 3rd Recuperative heat exchanger 112 high pressure entry exports with described driving pump 110 and is connected, and described 3rd Recuperative heat exchanger 112 high-pressure outlet is connected with described steam generator 120 entrance; Described 3rd Recuperative heat exchanger 112 low-pressure inlet exports with described injector 130 and is connected, and described 3rd Recuperative heat exchanger 112 low tension outlet is connected with described condenser 140 entrance.
The present embodiment remainder is identical with embodiment 4; The present embodiment 5 adds the 3rd Recuperative heat exchanger 112 compared with embodiment 4, utilizes injector 130 to export heat heating supercharging driving pump 110 outlet fluid of working medium, improves efficiency of energy utilization.
Embodiment 6
Fig. 6 is an embodiment again of the second technical scheme of the present invention; The present embodiment 6 turn increases the 4th Recuperative heat exchanger 113 on the basis of embodiment 5, described 4th Recuperative heat exchanger 113 high pressure entry exports with described condenser 140 and is connected, and described 4th Recuperative heat exchanger 113 high-pressure outlet is connected with described gas-liquid separator 150 gas access; Described 4th Recuperative heat exchanger 113 low-pressure inlet is connected with described first Recuperative heat exchanger 160 low tension outlet, and described 4th Recuperative heat exchanger 113 low tension outlet is connected with described injector 130 low-pressure inlet.
The present embodiment remainder is identical with embodiment 5; The present embodiment 6 turn increases the 4th Recuperative heat exchanger 113 compared with embodiment 5, the working medium of the first regenerator low tension outlet is utilized to cool the fluid entering gas-liquid separator, reduce separation temperature, make in liquid phase containing more mid-boiling point working medium, higher injector operating pressure can be obtained under same occurrence temperature, improve system effectiveness.
Mixed working fluid used in embodiment can be HCFC, HFC or HC class cold-producing medium.

Claims (6)

1. utilize waste heat to drive a mixed working fluid low-temperature refrigeration circulating device for injector, it comprises driving pump, steam generator, injector, condenser, gas-liquid separator, the first Recuperative heat exchanger, the second Recuperative heat exchanger, first throttle valve and evaporimeter;
Described steam generator is by industrial exhaust heat, underground heat or Driven by Solar Energy, and mixed working fluid is added thermosetting steam in a vapor generator;
Described driving pump outlet is connected with described steam generator entrance, described steam generator outlet connects described injector high pressure entry, described injector outlet connects described condenser inlet, described condensator outlet is connected with described gas-liquid separator entrance, described gas-liquid separator gas vent connects described first Recuperative heat exchanger high pressure entry, described first Recuperative heat exchanger high-pressure outlet is connected with described second Recuperative heat exchanger high pressure entry, described second Recuperative heat exchanger high-pressure outlet connects described evaporator inlet by first throttle valve, described evaporator outlet connects described second Recuperative heat exchanger low-pressure inlet, described second Recuperative heat exchanger low tension outlet connects described first Recuperative heat exchanger low-pressure inlet, described first Recuperative heat exchanger low tension outlet is connected to form the first closed circuit with described injector low-pressure inlet,
Described gas-liquid separator liquid outlet is divided into first liquid outlet branch road and second liquid outlet branch road;
Described first liquid outlet branch road connects described driving pump entrance, forms the second closed circuit together with being communicated in the steam generator of driving pump outlet, injector, condenser and gas-liquid separator successively;
Described second liquid outlet branch road connects described first Recuperative heat exchanger low-pressure inlet by described second throttle, together with being communicated in the injector of the first Recuperative heat exchanger outlet, condenser and gas-liquid separator formation the 3rd closed circuit successively.
2. by the mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector according to claim 1, it is characterized in that, also comprise the 3rd Recuperative heat exchanger, described 3rd Recuperative heat exchanger high pressure entry exports with described driving pump and is connected, and described 3rd Recuperative heat exchanger high-pressure outlet is connected with described steam generator entrance; Described 3rd Recuperative heat exchanger low-pressure inlet exports with described injector and is connected, and described 3rd Recuperative heat exchanger low tension outlet is connected with described condenser inlet.
3. by the mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector according to claim 2, it is characterized in that, also comprise the 4th Recuperative heat exchanger further, described 4th Recuperative heat exchanger high pressure entry is connected with described condensator outlet, and described 4th Recuperative heat exchanger high-pressure outlet is connected with described gas-liquid separator gas access; Described 4th Recuperative heat exchanger low-pressure inlet is connected with described first Recuperative heat exchanger low tension outlet, and described 4th Recuperative heat exchanger low tension outlet is connected with described injector low-pressure inlet.
4. utilize waste heat to drive a mixed working fluid low-temperature refrigeration circulating device for injector, it comprises driving pump, steam generator, injector, condenser, gas-liquid separator, the first Recuperative heat exchanger, the second Recuperative heat exchanger, first throttle valve and evaporimeter;
Described steam generator is by industrial exhaust heat, underground heat or Driven by Solar Energy, and mixed working fluid is added thermosetting steam in a vapor generator;
Described driving pump outlet is connected with described steam generator entrance, described steam generator outlet connects described injector high pressure entry, described injector outlet connects described condenser inlet, described condensator outlet is connected with described gas-liquid separator entrance, described gas-liquid separator gas vent connects described first Recuperative heat exchanger high pressure entry, described first Recuperative heat exchanger high-pressure outlet is connected with described second Recuperative heat exchanger high pressure entry, described second Recuperative heat exchanger high-pressure outlet connects described evaporator inlet by first throttle valve, described evaporator outlet connects described second Recuperative heat exchanger low-pressure inlet, described second Recuperative heat exchanger low tension outlet connects described first Recuperative heat exchanger low-pressure inlet, described first Recuperative heat exchanger low tension outlet is connected to form the first closed circuit with described injector low-pressure inlet,
Described gas-liquid separator liquid outlet is divided into first liquid outlet branch road and second liquid outlet branch road;
Described first liquid outlet branch road connects described driving pump entrance, forms the second closed circuit together with being communicated in the steam generator of driving pump outlet, injector, condenser and gas-liquid separator successively;
Described second liquid outlet branch road connects the second high pressure entry of the first Recuperative heat exchanger, second high-pressure outlet of the first Recuperative heat exchanger is connected with described first Recuperative heat exchanger low-pressure inlet by described second throttle, forms the 3rd closed circuit together with being communicated in the injector of the first Recuperative heat exchanger low tension outlet, condenser and gas-liquid separator successively.
5. by the mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector according to claim 4, it is characterized in that, also comprise the 3rd Recuperative heat exchanger, described 3rd Recuperative heat exchanger high pressure entry connects the outlet of described driving pump, and described 3rd Recuperative heat exchanger high-pressure outlet is connected with described steam generator entrance; Described 3rd Recuperative heat exchanger low-pressure inlet connects the outlet of described injector, and described 3rd Recuperative heat exchanger low tension outlet is connected with described condenser inlet.
6. by the mixed working fluid low-temperature refrigeration circulating device utilizing waste heat to drive injector according to claim 5, it is characterized in that, also comprise the 4th Recuperative heat exchanger further, described 4th Recuperative heat exchanger high pressure entry connects described condensator outlet, and described 4th Recuperative heat exchanger high-pressure outlet is connected with described gas-liquid separator entrance; Described 4th Recuperative heat exchanger low-pressure inlet connects described first Recuperative heat exchanger low tension outlet, and described 4th Recuperative heat exchanger low tension outlet is connected with described injector low-pressure inlet.
CN201410256899.3A 2014-06-10 2014-06-10 Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector Active CN104019579B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410256899.3A CN104019579B (en) 2014-06-10 2014-06-10 Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410256899.3A CN104019579B (en) 2014-06-10 2014-06-10 Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector

Publications (2)

Publication Number Publication Date
CN104019579A CN104019579A (en) 2014-09-03
CN104019579B true CN104019579B (en) 2016-02-03

Family

ID=51436473

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410256899.3A Active CN104019579B (en) 2014-06-10 2014-06-10 Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector

Country Status (1)

Country Link
CN (1) CN104019579B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154675B (en) * 2014-09-05 2016-04-20 哈尔滨工业大学 A kind of lithium bromide jet suction type cooling cycle system of condensation boosting
CN108036548B (en) * 2017-11-29 2019-07-26 浙江海洋大学 A kind of fishing boat waste heat driving cryogenic refrigerating unit and its refrigerating method
CN108387022B (en) * 2018-02-28 2019-02-26 中国科学院力学研究所 One kind is with CO2For the high temperature heat pump system of working medium
CN111829201A (en) * 2019-04-18 2020-10-27 青岛海尔空调电子有限公司 Refrigeration system
CN112524831B (en) * 2020-12-11 2021-09-03 西安交通大学 Flash separation injection refrigeration cycle system using mixed refrigerant and working method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101418997A (en) * 2008-11-27 2009-04-29 西安交通大学 Injection type cooling device utilizing reaction heat of fuel cell bank
CN101737998A (en) * 2009-12-28 2010-06-16 浙江大学 Absorption type refrigerating unit for fully recovering waste heat
CN102155815A (en) * 2011-03-30 2011-08-17 浙江大学 Steam jet refrigeration system based on double-fluid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4082132B2 (en) * 2002-08-22 2008-04-30 株式会社デンソー Refrigerator and refrigeration equipment
JP4103712B2 (en) * 2003-07-17 2008-06-18 株式会社デンソー Refrigeration cycle equipment using waste heat

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101418997A (en) * 2008-11-27 2009-04-29 西安交通大学 Injection type cooling device utilizing reaction heat of fuel cell bank
CN101737998A (en) * 2009-12-28 2010-06-16 浙江大学 Absorption type refrigerating unit for fully recovering waste heat
CN102155815A (en) * 2011-03-30 2011-08-17 浙江大学 Steam jet refrigeration system based on double-fluid

Also Published As

Publication number Publication date
CN104019579A (en) 2014-09-03

Similar Documents

Publication Publication Date Title
CN104019579B (en) Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector
CN102620461B (en) Auto-cascade jet type refrigerator
CN103528263B (en) A kind of ejector type refrigerating machine with intermediate heat exchange member
CN103954061B (en) The one-stage steam compressed formula circulatory system of cold synergy crossed by a kind of injector
CN102650478B (en) Trans-critical-compression/absorption composite refrigeration device utilizing low-grade heat
CN101000180B (en) Two-stage and three-stage absorption refrigeration machine
CN103759449B (en) The two-stage steam compression type circulatory system of dual jet synergy
CN110345690B (en) Double-ejector synergistic refrigeration cycle system for double-temperature refrigerator and working method
CN101871702B (en) Double heat source high-efficiency absorption refrigerating plant
CN103398485A (en) Steam compression refrigerating system device and supercooling method
CN105066508B (en) A kind of efficient injection absorption refrigerating machine for freezing and refrigeration
CN101776347B (en) Absorption type refrigerating unit with pressure recovery part
CN202547173U (en) Auto-cascade jet-type refrigerator
CN103471273B (en) Mixed refrigerant refrigeration circulating system
CN101093118B (en) Single stage composite absorption type compressor
CN105091401A (en) Jet absorption refrigerating device with copious cooling effect
CN103017399A (en) Two-level absorption refrigeration device with injector
CN104990302B (en) Injection compression refrigerating system with gas-liquid separator and utilization low grade heat energy
CN104930751B (en) Injection compression refrigerating system with subcooler and utilization low grade heat energy
CN204165269U (en) A kind of heat-driven refrigerating plant
CN103994599A (en) Transcritical injection and refrigeration system based on gas-liquid injection pump
CN103615824A (en) Method and device for obtaining cooling capacities of multiple temperature zones based on expansion work recycling drive
CN104930752B (en) The injection compression refrigerating system driven using the low grade heat energy of subcooler
CN104913542B (en) The injection compression refrigerating system driven using the low grade heat energy of gas-liquid separator
CN105485959A (en) Low-grade thermally driven vortex tube-ejector absorption refrigeration system

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model