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 PDFInfo
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/06—Superheaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0012—Ejectors with the cooled primary flow at high pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General 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
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0407—Refrigeration circuit bypassing means for the ejector
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General 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
- F25B2400/13—Economisers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General 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
- F25B2400/23—Separators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
- Y02A40/963—Off-grid food refrigeration
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- General Engineering & Computer Science (AREA)
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- 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
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.
Priority Applications (2)
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FR1770293A FR3049338B1 (en) | 2016-03-23 | 2017-03-23 | SELF-CASCADE AND EJECTION REFRIGERATION DEVICE FOR RECOVERY OF LOST HEAT FROM A TUNING RUNNER |
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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 |
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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 |
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CN105627622A (en) | 2016-06-01 |
FR3049338B1 (en) | 2020-01-24 |
FR3049338A1 (en) | 2017-09-29 |
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