CN105627622B - A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system - Google Patents

A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system Download PDF

Info

Publication number
CN105627622B
CN105627622B CN201610167369.0A CN201610167369A CN105627622B CN 105627622 B CN105627622 B CN 105627622B CN 201610167369 A CN201610167369 A CN 201610167369A CN 105627622 B CN105627622 B CN 105627622B
Authority
CN
China
Prior art keywords
exhaust
temperature level
gas
injector
charger
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.)
Expired - Fee Related
Application number
CN201610167369.0A
Other languages
Chinese (zh)
Other versions
CN105627622A (en
Inventor
谢晶
徐旻晟
王金锋
李文俊
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
Original Assignee
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
Application filed by Shanghai Maritime University filed Critical Shanghai Maritime University
Priority to CN201610167369.0A priority Critical patent/CN105627622B/en
Publication of CN105627622A publication Critical patent/CN105627622A/en
Priority to FR1770293A priority patent/FR3049338B1/en
Application granted granted Critical
Publication of CN105627622B publication Critical patent/CN105627622B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F25B25/00Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • 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
    • F25B27/00Machines, plants or systems, using particular sources of energy
    • F25B27/02Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
    • 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
    • F25B40/00Subcoolers, desuperheaters or superheaters
    • F25B40/06Superheaters
    • 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
    • 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
    • F25B2341/00Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/001Ejectors not being used as compression device
    • F25B2341/0012Ejectors with the cooled primary flow at high pressure
    • 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
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04Refrigeration circuit bypassing means
    • F25B2400/0407Refrigeration circuit bypassing means for the ejector
    • 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
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/13Economisers
    • 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
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23Separators
    • 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
    • F25B2500/00Problems to be solved
    • F25B2500/05Cost reduction
    • 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
    • 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
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • Y02A40/963Off-grid food refrigeration

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system, including injector, condenser, gas-liquid separator, low-temperature level device for drying and filtering, high-temperature level throttle valve, evaporative condenser, low-temperature level device for drying and filtering, low-temperature level throttle valve, evaporator, regenerator, low-temperature level electric control valve, high-temperature level electric control valve, exhaust-driven turbo-charger exhaust-gas turbo charger, circulating pump, generator, diesel engine, generator.It is equipped with an injector between evaporative condenser and condenser, an exhaust-driven turbo-charger exhaust-gas turbo charger is equipped between injector and evaporative condenser.The present invention fully considers the characteristics of diesel engine of fishing vessel waste gas residual heat belongs to low-grade energy, improves fuel utilization ratio;And by the way of installing exhaust-driven turbo-charger exhaust-gas turbo charger additional before injector while recycling diesel engine of fishing vessel exhaust gas, improve the performance of ejector refrigeration system, under the premise of meeting the needs of fishing boat cryogenic freezing preservation, there is apparent advantage in energy-saving and emission-reduction etc..

Description

A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system
Technical field
The invention belongs to Refrigeration & Cryogenic Technique field, it is related to a kind of injecting type auto-cascading refrigeration system more particularly to one Tuna clipper waste heat recovery injecting type Auto-cascade cycle cryogenic refrigerating system of the kind with booster.
Background technology
As the important component of marine economy, deep-sea fishing not only has important economic interests and resource significance, It is also relate to maritime rights and interests, food supply safety, Diplomatic Strategies and international cooperation etc..With coastal water fishery resource increasingly depleted, Deep-sea fishing resources development and utilization is more and more of interest by everybody.Tuna is as a kind of high quotient with high protein, low fat The large-scale pelagic important goods food fish of product value, is the important fingerling of deep-sea fishing, but since its flesh of fish contains higher flesh Lactoferrin easily aoxidizes, it is therefore desirable to ensure -55 DEG C of solidification point, -50 DEG C of refrigerated storage temperature.Currently, China's major part fishing Ship produces corresponding low temperature environment using the piston type compressed refrigeration system of single machine two-stage, using R22 as refrigeration working medium.So And the system is applied to could be improved in terms of fishing boat field of low-temperature refrigeration, system function optimization and refrigerant.It is most of remote For foreign fishing boat using diesel engine as propulsion device, power is high, while exhaust and cylinder cooling residual heat are big, these are low-grade Energy is often directly slatterned, but if this portion of energy can be effectively utilized, can save a large amount of energy, while exhaust gas It is fully utilized, it is possible to reduce the discharge of pernicious gas.
Energy waste caused by order to solve the problems, such as diesel engine of fishing vessel waste gas residual heat, Publication No. CN203837369U's is special Sharp document discloses a kind of tuna clipper exhaust-heat absorption refrigerating cascade compression refrigeration freezer device, tuna clipper exhaust-heat absorption Refrigerating cascade compression refrigeration freezer device, including it is generator, diesel engine, boiler, steam generator, rectifier, condenser, swollen Swollen valve, evaporative condenser, absorber, solution pump, solution heat exchanger and R22 refrigeration systems, the diesel engine connect generator, Generator is connected with R22 refrigeration systems, and the boiler on diesel engine accesses steam generator, steam generator by pipeline It is connected successively with rectifier, condenser, expansion valve, evaporative condenser, absorber, solution pump, solution heat exchanger by pipeline Connect, the release end of heat of evaporative condenser accesses R22 refrigeration systems, condenser, absorber colling end access seawater pipeline.R22 systems The refrigerant of cooling system is in evaporative condenser by ammonia evaporative condenser at liquid refrigerant, inflow liquid storing barrel, respectively according to high and low Refrigerant flow is carried out to freezer refrigerating needed for warm freezer Load Regulation.System makes full use of diesel engine of fishing vessel difference to sample in this way Energy reapective features improve fuel utilization ratio and refrigerating efficiency by low-grade waste heat for freezing.But due to above-mentioned system It unites the absorption refrigeration used, there are free surfaces in system is easy under this relatively unsteady operating conditions of ocean fishing vessel The problem of causing system leak.Also, absorption refrigeration also has higher requirement in the air-tightness of system, as ocean fishing vessel this The more complicated environment of kind is not easy to meet.Therefore, absorption refrigeration is not used on ocean fishing vessel.
Spray type refrigerating is a kind of dependence energy-saving and environment-friendly refrigeration modes of low grade heat energy, without fortune compared with absorption refrigeration Dynamic component reduces the possibility of system leak, improves the reliability being used on ocean fishing vessel.Self-folding type refrigeration be with The mixed working fluid of two or more different boiling is refrigerant, with single compressor, passes through natural separation and multistage overlapping Method, realize the overlapping between high low boiling component, lower temperature can be produced under the conditions of moderate pressure and pressure ratio. Compared to traditional cascade system, auto-cascading refrigeration system is because its is of simple structure and low cost, reliability is high and long lifespan etc. is special Point, which is usually used to, produces -40 DEG C of low temperature below.
Invention content
The present invention with defect, provides a kind of tuna clipper waste heat recovery injecting type Auto-cascade cycle in view of the deficiencies of the prior art The method that refrigeration system, spray type refrigerating and self-folding type refrigeration combine, efficiently solves the waste of diesel engine of fishing vessel waste gas residual heat The problems such as, there is higher heat-economy;Without traditional refrigeration compressor, system structure is simplified, improves reliability, and drop Low equipment cost;Exhaust-driven turbo-charger exhaust-gas turbo charger is added before injector, using the exhaust gas driven of diesel engine, bavin is further utilized The exhaust gas of oil machine, and conventional spray formula performance of refrigerant systems can be effectively improved.
The technical solution that the present invention solves above-mentioned technical problem is a kind of tuna clipper waste heat recovery injecting type Auto-cascade cycle Refrigeration system, including injector, condenser, gas-liquid separator, low-temperature level device for drying and filtering, high-temperature level throttle valve, evaporative condenser Device, low-temperature level device for drying and filtering, low-temperature level throttle valve, evaporator, regenerator, low-temperature level electric control valve, high-temperature level electric adjustable Save valve, exhaust-driven turbo-charger exhaust-gas turbo charger, circulating pump, generator, diesel engine, generator.One is equipped between evaporative condenser and condenser Injector is equipped with an exhaust-driven turbo-charger exhaust-gas turbo charger between injector and evaporative condenser.
Diesel engine connects generator, and generator connects circulating pump, electric power is provided for it;The exhaust gas a-road-through of diesel engine discharge Piping accesses generator, provides heat for it, another way enters exhaust-driven turbo-charger exhaust-gas turbo charger, and power is provided for it;By exhaust gas The refrigerant of exhaust gas and evaporator outlet after turbocharger exchanges heat in regenerator;Generator, injector, condenser, gas Liquid/gas separator and circulating pump form circuit, provide power for the continuous work of injector, refrigerant is added in generator by exhaust gas Refrigeration working medium from regenerator and evaporative condenser is drawn into injection by the high temperature and high pressure steam of heat, formation into people's injector In device;Injector outlet is connected with condenser inlet;Condensator outlet is connected with gas-liquid separator entrance;Gas-liquid separator gaseous state Sender property outlet is directly connected to evaporative condenser, and liquid refrigerant outlet is divided into two-way:A-road-through cross high-temperature level device for drying and filtering and High-temperature level throttle valve is connected with evaporative condenser entrance, and another way accesses circulating pump;In evaporative condenser, liquid refrigerant heat absorption Evaporation, gaseous working medium are condensed into liquid;The one outlet of evaporative condenser is compared with low boiling point liquid refrigerant, by dried After filter, through low-temperature level throttle valve throttle, into evaporator absorb heat evaporate, it is another outlet be higher refrigerant, with return The low-temperature refrigerant of hot device outlet mixes after high-temperature level electric control valve and low-temperature level electric control valve respectively, then passes through Exhaust-driven turbo-charger exhaust-gas turbo charger enters injector by injection.
High low boiling point refrigerant gas stream goes out evaporative condenser and evaporator mixing after exhaust-driven turbo-charger exhaust-gas turbo charger is pressurized By injection into injector, next cycle is carried out as working medium.
Conventional refrigeration compressor is substituted by injector and exhaust-driven turbo-charger exhaust-gas turbo charger, reduces the moving component of system, is improved Reliability, extends equipment life, reduces equipment cost and maintenance cost, and reduce the consumption of electric energy.
Injector is the hybrid injector of cone, is more than in the case that 2.6 jet coefficients are more than 5 in compression ratio, can be with Improve the system performance of spray type refrigerating.
Exhaust-driven turbo-charger exhaust-gas turbo charger is equipped with before injector entrance can effectively improve injector to improve injection pressure Performance.
The exhaust gas driven that exhaust-driven turbo-charger exhaust-gas turbo charger is discharged by diesel engine takes full advantage of the exhaust gas of diesel engine of fishing vessel, reaches The purposes of energy-saving and emission-reduction.
Generator is heat-pipe heat exchanger, can effectively improve the heat exchange efficiency of waste heat and refrigeration working medium.
Feature in summary, a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system of the present invention, By using spray type refrigerating and self-folding type refrigeration combine method, efficiently solve diesel engine of fishing vessel waste gas residual heat waste and , there is higher heat-economy in the problems such as exhaust emission;Without traditional refrigeration compressor, system structure is simplified, is improved reliable Property, and reduce equipment cost and maintenance cost;Exhaust-driven turbo-charger exhaust-gas turbo charger is added before injector, fishing boat is further utilized The exhaust gas of diesel engine has reached certain effects of energy saving and emission reduction, while can effectively improve conventional spray formula performance of refrigerant systems.And And the system has many advantages, such as that stable, service life is long, in the application of environment-friendly and energy-saving emission-reduction, there is apparent advantage.
Description of the drawings
Fig. 1 is a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system structural schematic diagram of the present invention.
In figure:1, injector 2, condenser 3, gas-liquid separator 4, high-temperature level device for drying and filtering 5, high-temperature level throttle valve 6, evaporative condenser 7, device for drying and filtering 8, low-temperature level throttle valve 9, evaporator 10, regenerator 11, low-temperature level electromagnetism are adjusted Valve 12, high-temperature level solenoid valve 13, exhaust-driven turbo-charger exhaust-gas turbo charger 14, circulating pump 15, generator 16, diesel engine 17, hair Raw device.
Specific implementation mode
Operating process to make the present invention realize is easy to understand with creation characteristic, right with reference to the accompanying drawings and embodiments The present invention is further described.
A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system device of the present invention, including it is injector 1, cold It is condenser 2, gas-liquid separator 3, high-temperature level device for drying and filtering 4, high-temperature level throttle valve 5, evaporative condenser 6, device for drying and filtering 7, low Warm grade throttle valve 8, evaporator 9, regenerator 10, low-temperature level solenoid valve 11, high-temperature level solenoid valve 12, exhaust gas turbine increase Depressor 13, circulating pump 14, generator 15, diesel engine 16, generator 17.
Diesel engine 16 connects generator 15, and generator 15 connects circulating pump 14, electric power is provided for it;What diesel engine 16 was discharged Exhaust gas a-road-through piping accesses generator 17, provides heat for it, another way enters exhaust-driven turbo-charger exhaust-gas turbo charger 13, provided for it Power;The refrigerant that exhaust gas after exhaust-driven turbo-charger exhaust-gas turbo charger 13 is exported with evaporator 9 exchanges heat in regenerator 10;Generator 17, injector 1, condenser 2, gas-liquid separator 3 and circulating pump 14 form circuit, and the continuous work for injector 1 provides power, Refrigerant is heated by exhaust in generator 17, and the high temperature and high pressure steam of formation will come from regenerator 10 and steam into people's injector 1 The refrigeration working medium of condenser 6 of feeling cold is drawn into injector;The outlet of injector 1 is connected with 2 entrance of condenser;Condenser 2 export with 3 entrance of gas-liquid separator is connected;The outlet of 3 gaseous working medium of gas-liquid separator is directly connected to evaporative condenser 6, liquid refrigerant outlet point For two-way:A-road-through crosses high-temperature level device for drying and filtering 4)And high-temperature level throttle valve 5 is connected with 6 entrance of evaporative condenser, it is another Circulating pump 14 is accessed on road;In evaporative condenser 6, liquid refrigerant heat absorption evaporation, gaseous working medium is condensed into liquid;Evaporative condenser 6 one outlet is after device for drying and filtering 7, to throttle, enter through low-temperature level throttle valve 8 compared with low boiling point liquid refrigerant The heat absorption evaporation of evaporator 9, another outlet are higher refrigerant, and the low-temperature refrigerant exported with regenerator 10 passes through respectively Mixed after high-temperature level electric control valve 12 and low-temperature level electric control valve 11, then by exhaust-driven turbo-charger exhaust-gas turbo charger 13 by injection into Enter injector 1.
A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system includes two major parts:First, fishing boat bavin Oil turbine waste gas afterheat recovery system, second is that auto-cascading refrigeration system.Wherein diesel engine of fishing vessel residual neat recovering system is mainly By the refrigeration working medium of injecting type auto-cascading refrigeration system in a large amount of waste-heat generators 17 of diesel engine of fishing vessel 16, make its change For high temperature and pressure working substance steam, to which injection carrys out the Mix refrigerant cycle of automatic pressure intensifier 13.Auto-cascading refrigeration system is using injection Device 1 coordinates exhaust-driven turbo-charger exhaust-gas turbo charger 13 to replace traditional refrigeration compressor, and bavin has fully been recycled while improving refrigerating efficiency The exhaust gas of oil machine.
Injector 1 belongs to conical mixing chamber type injector type in injecting type auto-cascading refrigeration system, big in compression ratio In the case that 2.6, jet coefficient is more than 5, ejector efficiency can be improved compared to cylindrical mixing chamber injector.Its work Principle is to utilize high temperature and pressure higher boiling liquid refrigerant injection low boiling point gaseous refrigerant, is substantially reduced the section of high boiling component Stream loss.It substitutes traditional refrigeration compressor with exhaust-driven turbo-charger exhaust-gas turbo charger 17.
Exhaust-driven turbo-charger exhaust-gas turbo charger 13, which is added, in injecting type auto-cascading refrigeration system can improve the injection pressure of injector 1, into And improve the performance of whole system.
Exhaust-driven turbo-charger exhaust-gas turbo charger 13 has reached energy saving by the exhaust gas driven from diesel engine 16 using the exhaust gas of diesel engine The purpose of emission reduction.
Diesel engine 16 is discharged exhaust gas temperature and should be greater than 150 DEG C, keeps ejector refrigeration system stable, common fishing boat bavin The delivery temperature of oil machine can reach 350 DEG C ~ 500 DEG C.
Be equipped with high-temperature level solenoid valve 12 and low-temperature level solenoid valve 11 after evaporative condenser 6 and evaporator 9 and be for Adjusting high/low temperature grade refrigerant pressure and flow, phenomena such as preventing refrigerant from pouring in down a chimney.
The workflow of refrigeration working medium of the present invention:Non-azeotropic refrigerant mixture is in generator 17 and residual neat recovering system Heat exchange occurs for exhaust gas, enters injector 1 after absorbing heat, forms high-speed flow by nozzle, injection passes through evaporative condenser 5 With the Mix refrigerant cycle of regenerator 10, after two strands of steam are sufficiently mixed by injector again, mixed working fluid is carried in diffuser Enter condenser 2 after high pressure, exchanges heat with seawater, most of higher boiling refrigerant and a small amount of low boiling point refrigerant are cold first Liquid is congealed into, gas-liquid two-phase mixed working fluid enters gas-liquid separator 3, rich higher boiling refrigerant liquid and richness after flowing out condenser 2 Low boiling point refrigerant gas detaches.Higher boiling refrigerant liquid removes impurity by high-temperature level device for drying and filtering 4, through high-temperature level section Enter evaporative condenser 6 after flowing 5 decrease temperature and pressure of valve so that the low boiling point refrigerant gas into evaporative condenser 6 is condensed into liquid Body.Low boiling point refrigerant liquid removes impurity by low-temperature level device for drying and filtering 4, laggard through 8 decrease temperature and pressure of low-temperature level throttle valve Enter evaporator 9, absorbs heat and complete evaporation, realize refrigeration.The exhaust gas that low boiling point refrigerant is discharged with waste gas supercharger 13 is returning After exchanging heat in hot device 10, mixed with higher boiling refrigerant by low-temperature level solenoid valve 11, by exhaust-driven turbo-charger exhaust-gas turbo charger 13 Injector 1 is entered by injection after supercharging.
In summary, a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system of the invention, fully considers The characteristics of diesel engine of fishing vessel waste gas residual heat belongs to low-grade energy, it is applied to refrigeration system, improves fuel utilization ratio;And And injection is improved while recycling diesel engine of fishing vessel exhaust gas by the way of installing exhaust-driven turbo-charger exhaust-gas turbo charger additional before injector The performance of formula refrigeration system has obviously under the premise of meeting the needs of fishing boat cryogenic freezing preservation in energy-saving and emission-reduction etc. Advantage.

Claims (9)

1. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system, including injector(1), condenser(2), gas-liquid Separator(3), high-temperature level device for drying and filtering(4), high-temperature level throttle valve(5), evaporative condenser(6), low-temperature level device for drying and filtering (7), low-temperature level throttle valve(8), evaporator(9), regenerator(10), low-temperature level electric control valve(11), high-temperature level motorized adjustment Valve(12), exhaust-driven turbo-charger exhaust-gas turbo charger(13), circulating pump(14), generator(15), diesel engine(16), generator(17), feature It is, the evaporative condenser(6)With condenser(2)Between be equipped with an injector(1), injector(1)And evaporative condenser (6)Between be equipped with an exhaust-driven turbo-charger exhaust-gas turbo charger(13);The diesel engine(16)Connect generator(15), generator(15)Connection follows Ring pumps(14), electric power is provided for it;Diesel engine(16)The exhaust gas a-road-through piping of discharge accesses generator(17), provided for it Heat, another way enter exhaust-driven turbo-charger exhaust-gas turbo charger(13), power is provided for it;By exhaust-driven turbo-charger exhaust-gas turbo charger(13)Exhaust gas afterwards With evaporator(9)The refrigerant of outlet is in regenerator(10)Middle heat exchange;Generator(17), injector(1), condenser(2), gas-liquid Separator(3)And circulating pump(14)Circuit is formed, is injector(1)Continuous work provide power, refrigerant is in generator (17)In be heated by exhaust, the high temperature and high pressure steam of formation is into people's injector(1), regenerator will be come from(10)And evaporative condenser (6)Refrigeration working medium be drawn into injector;Injector(1)Outlet and condenser(2)Entrance is connected;Condenser(2)Outlet with Gas-liquid separator(3)Entrance is connected;Gas-liquid separator(3)Gaseous working medium outlet is directly connected to evaporative condenser(6), liquid refrigerant Outlet is divided into two-way:A-road-through crosses high-temperature level device for drying and filtering(4)And high-temperature level throttle valve(5)With evaporative condenser(6)Enter Mouth is connected, and another way accesses circulating pump(14);In evaporative condenser(6)In, liquid refrigerant heat absorption evaporation, gaseous working medium is condensed into Liquid;Evaporative condenser(6)One outlet be compared with low boiling point liquid refrigerant, pass through low-temperature level device for drying and filtering(7)Afterwards, Through low-temperature level throttle valve(8)Throttling, into evaporator(9)Heat absorption evaporation, another outlet is higher refrigerant, with backheat Device(10)The low-temperature refrigerant of outlet passes through high-temperature level electric control valve respectively(12)With low-temperature level electric control valve(11)After mix It closes, then passes through exhaust-driven turbo-charger exhaust-gas turbo charger(13)Injector is entered by injection(1);The evaporative condenser(6)It is equipped with high temperature afterwards Grade electric control valve(12), adjust high-temperature level refrigeration agent flux.
2. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system according to claim 1, feature exist In the injector(1)It is conical mixing chamber injector.
3. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system according to claim 1, feature exist In the exhaust-driven turbo-charger exhaust-gas turbo charger(13)By coming from diesel engine(16)Exhaust gas driven.
4. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system according to claim 1, feature exist In the generator(17)It is heat-pipe heat exchanger.
5. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system according to claim 1, feature exist In the high-temperature level refrigeration agent is R134a.
6. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system according to claim 1, feature exist In the low-temperature refrigerant is R23.
7. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system according to claim 1, feature exist In the utilizable exhaust gas temperature of generator is at 150 DEG C or more.
8. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system according to claim 1, feature exist In the regenerator(10)It is equipped with low-temperature level electric control valve afterwards(11), adjust cryogenic refrigeration agent flux.
9. a kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system according to claim 1, feature exist In the condenser(2)It is cooled down using seawater.
CN201610167369.0A 2016-03-23 2016-03-23 A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system Expired - Fee Related CN105627622B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610167369.0A CN105627622B (en) 2016-03-23 2016-03-23 A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system
FR1770293A FR3049338B1 (en) 2016-03-23 2017-03-23 SELF-CASCADE AND EJECTION REFRIGERATION DEVICE FOR RECOVERY OF LOST HEAT FROM A TUNING RUNNER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610167369.0A CN105627622B (en) 2016-03-23 2016-03-23 A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system

Publications (2)

Publication Number Publication Date
CN105627622A CN105627622A (en) 2016-06-01
CN105627622B true CN105627622B (en) 2018-08-21

Family

ID=56042790

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610167369.0A Expired - Fee Related CN105627622B (en) 2016-03-23 2016-03-23 A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system

Country Status (2)

Country Link
CN (1) CN105627622B (en)
FR (1) FR3049338B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106871473B (en) * 2017-04-09 2023-01-13 上海海洋大学 Single-machine two-stage compression refrigeration system with waste heat recovery device
CN112066586A (en) * 2020-09-28 2020-12-11 浙江工业大学 High-efficient waste heat of utilizing and many refrigerant circulation system
CN112303946A (en) * 2020-11-10 2021-02-02 杭州壹诺节能科技有限公司 Jet compression type refrigerating system for fishing boat
CN114109751B (en) * 2021-11-29 2023-04-07 东南大学 Ocean temperature difference energy power generation and comprehensive utilization system
CN114603226B (en) * 2022-03-14 2024-04-02 嵊州市浙江工业大学创新研究院 Brazing furnace waste gas treatment system
CN114791179A (en) * 2022-04-14 2022-07-26 西安热工研究院有限公司 Solar waste heat driven jet refrigeration coupling system and method
CN115727565A (en) * 2022-10-31 2023-03-03 山东大学 Jet-compression coupling refrigeration system and method utilizing ship waste heat

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2650031Y (en) * 2003-09-23 2004-10-20 北京交通大学 Locomotive compressed air conditioning device
CN102620461A (en) * 2012-04-19 2012-08-01 浙江大学宁波理工学院 Auto-cascade jet type refrigerator
CN203837369U (en) * 2014-04-09 2014-09-17 浙江海洋学院 Waste heat absorption refrigeration and compression refrigeration cascade refrigeratory device of tuna clipper
CN104315741A (en) * 2014-09-30 2015-01-28 河南科技大学 Mixing working medium jet type refrigeration cycle system and refrigeration cycle method
CN204165269U (en) * 2014-09-30 2015-02-18 河南科技大学 A kind of heat-driven refrigerating plant
CN105222394A (en) * 2015-09-23 2016-01-06 内蒙古科技大学 A kind of Auto-cascade cycle vortex tube Cryo Refrigerator
CN205655522U (en) * 2016-03-23 2016-10-19 上海海洋大学 Tuna clipper waste heat recovery sprays formula from overlapping refrigerating plant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110289953A1 (en) * 2010-05-27 2011-12-01 Gerald Allen Alston Thermally Enhanced Cascade Cooling System

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2650031Y (en) * 2003-09-23 2004-10-20 北京交通大学 Locomotive compressed air conditioning device
CN102620461A (en) * 2012-04-19 2012-08-01 浙江大学宁波理工学院 Auto-cascade jet type refrigerator
CN203837369U (en) * 2014-04-09 2014-09-17 浙江海洋学院 Waste heat absorption refrigeration and compression refrigeration cascade refrigeratory device of tuna clipper
CN104315741A (en) * 2014-09-30 2015-01-28 河南科技大学 Mixing working medium jet type refrigeration cycle system and refrigeration cycle method
CN204165269U (en) * 2014-09-30 2015-02-18 河南科技大学 A kind of heat-driven refrigerating plant
CN105222394A (en) * 2015-09-23 2016-01-06 内蒙古科技大学 A kind of Auto-cascade cycle vortex tube Cryo Refrigerator
CN205655522U (en) * 2016-03-23 2016-10-19 上海海洋大学 Tuna clipper waste heat recovery sprays formula from overlapping refrigerating plant

Also Published As

Publication number Publication date
CN105627622A (en) 2016-06-01
FR3049338B1 (en) 2020-01-24
FR3049338A1 (en) 2017-09-29

Similar Documents

Publication Publication Date Title
CN105627622B (en) A kind of tuna clipper waste heat recovery injecting type auto-cascading refrigeration system
CN205655522U (en) Tuna clipper waste heat recovery sprays formula from overlapping refrigerating plant
CN204373252U (en) Change type CO2 trans critical cycle refrigeration system
CN106368775A (en) Power turbine compression refrigeration device for recycling waste heat of exhaust gas of diesel main engine for fishing boat
CN203837369U (en) Waste heat absorption refrigeration and compression refrigeration cascade refrigeratory device of tuna clipper
CN109268095A (en) LNG fuel cold energy method of comprehensive utilization and system for double fuel Power Vessel
CN206942884U (en) A kind of distributed energy resource system of LNG Power Vessels
CN206648347U (en) A kind of two-stage superposition type absorption/compression composite refrigeration cycle system
CN108662808A (en) A kind of two-stage superposition type absorption/compression composite refrigeration cycle system with engine waste heat and power link driving
CN108798902A (en) Intercooled turbine with hold over system
CN112392626A (en) Waste heat comprehensive energy recovery device for diesel engine
CN103954091A (en) Refrigeratory refrigeration system capable of fully utilizing cold energy of liquefied natural gas
CN111605667A (en) Multi-energy complementary ship cold and hot water system
CN114370359A (en) Natural gas engine high-low pressure EGR waste gas management system
CN103884130B (en) Ship refrigerator system capable of absorbing waste heat to assist in refrigeration
CN206160542U (en) Overlapping formula refrigerating units
CN103438609A (en) Refrigeration system by utilizing tail gas of fishing boat
CN102072585B (en) Refrigerating cycle system driven by liquid nitrogen engine with exhaust residual heat of diesel engine as heat source
CN103868272A (en) Waste-heat-absorbing refrigeration system of tuna clipper
CN104792052A (en) Novel ultralow-temperature compression refrigerating system
CN110821707A (en) Diesel engine waste heat utilization cascade coupling system based on carbon dioxide power circulation
CN213631043U (en) Jet compression type refrigerating system for fishing boat
CN216950612U (en) Natural gas engine high-low pressure EGR waste gas management system
CN107990590B (en) A kind of fishing boat absorption type refrigerating unit and its refrigerating method
CN103868277B (en) Waste heat absorption refrigeration coordinating two-stage compression refrigeration cold storage device of fishing boat

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180821

CF01 Termination of patent right due to non-payment of annual fee