CN106767061B - It is a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas - Google Patents
It is a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas Download PDFInfo
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- CN106767061B CN106767061B CN201611203318.5A CN201611203318A CN106767061B CN 106767061 B CN106767061 B CN 106767061B CN 201611203318 A CN201611203318 A CN 201611203318A CN 106767061 B CN106767061 B CN 106767061B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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Abstract
It is a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas.The present invention solves the problems, such as that incoagulable gas existing for existing separated phase transition Waste Heat Recovery System is difficult to exclude.Second cooling heat source pipeline setting is in cooling air collector, the working fluid input end of the lower part of condenser and the first injector passes through the second lime set pipeline connection, the second condensate pipe road is additionally provided with the first lime set pump, the top of condenser is connected to by ejection gas input end by the second steam pipework with the first injector, the outlet end of first injector and the top of cooling air collector pass through third lime set pipeline connection, by the 4th lime set pipeline connection, air extractor is connected to the top of cooling air collector for the lower part of cooling air collector and the lower part of condenser.The present invention can ensure separated phase transition Waste Heat Recovery System for a long time efficiently, stable operation.
Description
Technical field
The present invention relates to a kind of Waste Heat Recovery System, and in particular to a kind of for excluding the separated phase transition of incoagulable gas
Waste Heat Recovery System.
Background technique
Most of heat sources have corrosivity, easy dust stratification or the originals such as heat transfer coefficient is relatively low due to waste heat heat-carrying agent
Cause directly cannot be exchanged heat and be utilized, and generallyd use separated phase transition Waste Heat Recovery System and utilized, traditional separate type
Phase transformation Waste Heat Recovery System is as shown in fig. 7, mainly by evaporator 1, condenser 2, the first steam pipework 21, the first lime set pipeline
22, waste heat heat source pipeline 11 and the first cooling heat source pipeline 12 constitute system.Phase-change working substance (usually water or alkane, fluorine benefit
Hold high) it is heated in evaporator 1 by the waste heat heat source in waste heat heat source pipeline 11, the phase-change working substance steam for generation of boiling is by first
Steam pipework 21 is connected to condenser 2, and phase-change working substance steam is in condenser 2 by the cooling heat in the first cooling heat source pipeline 12
Source cooling, the phase-change working substance lime set for condensing generation under the effect of gravity, are connected to evaporator 1 by the first lime set pipeline 22, thus
The thermodynamic cycle for completing phase-change working substance, by the heat transfer of waste heat heat source to the first cooling heat source.
Above-mentioned traditional separated phase transition Waste Heat Recovery System, it is necessary to have extraordinary airtight performance, even if there are poles
Small percolation ratio, negative pressure operation during or system period out of service, the incoagulable gas such as air, which will leak into, is
System, and it is cumulative；Furthermore slow corrosion process existing for internal system can also generate the incoagulable gas such as hydrogen, and
It can be cumulative.The presence of the incoagulable gas such as oxygen, it will the pernicious increasing of incoagulable gas is accelerated in the corrosion in aggravation system
Add.Importantly, the presence of incoagulable gas can increase the gap between evaporating temperature and condensation temperature, waste heat is seriously reduced
The heat exchange property of recovery system, or even also result in system and can not work normally, this is also current many phase transformation Waste Heat Recoveries system
The main reason for system working efficiency decreases year after year, and the service life is partially short.Incoagulable gas can not prevent, and exclude incoagulability gas in real time
Body be ensure phase transformation Waste Heat Recovery System for a long time efficiently, the precondition of stable operation.But incoagulable gas with mutually exchange work
Matter steam is lumped together in system, this brings huge difficulty to the exclusion of incoagulable gas, currently without fine
Technology can be resolved.
Summary of the invention
The present invention is to solve incoagulable gas existing for existing separated phase transition Waste Heat Recovery System and be difficult to exclude
The problem of, and then provide a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas.
Used technical solution is the present invention to solve above-mentioned technical problem:
Technical solution one:
It is a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it includes evaporator, condenser, useless
Heat source pipeline, the first cooling heat source pipeline, the first steam pipework and the first lime set pipeline, evaporator top and condenser it is upper
Portion is connected to by the first steam pipework, and the lower part of condenser and the lower part of evaporator pass through the first lime set pipeline connection, waste heat heat
Source capsule road is arranged in evaporator, and the first cooling heat source pipeline is arranged in condenser,
It further includes the first lime set pump, the first injector, cooling air collector, air extractor, the second cooling heat source pipeline, the
Two lime set pipelines, the second steam pipework, third lime set pipeline and the 4th lime set pipeline, the second cooling heat source pipeline are arranged in cooling
In air collector,
The working fluid input end of the lower part of condenser and the first injector is by the second lime set pipeline connection, and described second
Condensate pipe road is additionally provided with the first lime set pump, and the top of condenser and the first injector pass through the by ejection gas input end
The top of the connection of two steam pipeworks, the outlet end of the first injector and cooling air collector is cooling by third lime set pipeline connection
The lower part of air collector and the lower part of condenser pass through the 4th lime set pipeline connection, the top company of air extractor and cooling air collector
It is logical.
Technical solution two:
It is a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it includes evaporator, condenser, useless
Heat source pipeline, the first cooling heat source pipeline, the first steam pipework and the first lime set pipeline, evaporator top and condenser it is upper
Portion is connected to by the first steam pipework, and the lower part of condenser and the lower part of evaporator pass through the first lime set pipeline connection, waste heat heat
Source capsule road is arranged in evaporator, and the first cooling heat source pipeline is arranged in condenser,
It further includes the first lime set pump, the first injector, cooling air collector, air extractor, the second cooling heat source pipeline, the
Two lime set pipelines, the second steam pipework, third lime set pipeline, the 4th lime set pipeline, third steam pipework, the 5th lime set pipeline,
Restriction expansion device and low temperature lime set tank, the second cooling heat source pipeline are arranged in cooling air collector,
The lower part of condenser and the lower part of low temperature lime set tank pass through the 5th lime set pipeline connection, the 5th condensate pipe road
It is additionally provided with restriction expansion device, the lower part of low temperature lime set tank and the working fluid input end of the first injector pass through the second lime set
Pipeline connection, the second condensate pipe road are additionally provided with the first lime set pump, the top of low temperature lime set tank and cooling air collector
Top is connected to by third steam pipework, and the top of condenser is steamed by ejection gas input end by second with the first injector
The top of vapor pipeline connection, the outlet end of the first injector and cooling air collector passes through third lime set pipeline connection, cooling gas collection
By the 4th lime set pipeline connection, air extractor is connected to the top of cooling air collector for the lower part of tank and the lower part of condenser.
Technical solution three:
It is a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it includes evaporator, condenser, useless
Heat source pipeline, the first cooling heat source pipeline, the first steam pipework and the first lime set pipeline, evaporator top and condenser it is upper
Portion is connected to by the first steam pipework, and the lower part of condenser and the lower part of evaporator pass through the first lime set pipeline connection, waste heat heat
Source capsule road is arranged in evaporator, and the first cooling heat source pipeline is arranged in condenser,
It further includes the first lime set pump, the first injector, cooling air collector, air extractor, the second cooling heat source pipeline, the
Two lime set pipelines, the second steam pipework, third lime set pipeline, the 4th lime set pipeline, third steam pipework, the 5th lime set pipeline,
Restriction expansion device, low temperature lime set tank, the second injector and the 6th lime set pipeline, the second cooling heat source pipeline setting collect cooling
In gas tank,
The lower part of condenser and the lower part of low temperature lime set tank pass through the 5th lime set pipeline connection, the 5th condensate pipe road
It is additionally provided with restriction expansion device, the lower part of low temperature lime set tank and the working fluid input end of the first injector pass through the second lime set
Pipeline connection, the second condensate pipe road are additionally provided with the first lime set pump, and the top of condenser is drawn with the first injector
It penetrates gas inlet end to be connected to by the second steam pipework, the working fluid import of the outlet end of the first injector and the second injector
By the 6th lime set pipeline connection, the top of low temperature lime set tank and the second injector pass through third by ejection gas input end at end
The top of steam pipework connection, the outlet end of the second injector and cooling air collector passes through third lime set pipeline connection, cooling collection
By the 4th lime set pipeline connection, air extractor is connected to the top of cooling air collector for the lower part of gas tank and the lower part of condenser.
The present invention has the effect that compared with prior art
(1) present invention utilizes the swabbing action of the first injector, and the incoagulable gas in evaporator and condenser is shifted
It stores and is enriched with into cooling air collector, after incoagulable gas is enriched with to a certain extent in cooling air collector, gross pressure liter
Up to a certain degree, air extractor is opened, the incoagulable gas in system can be excluded to except system, to ensure separation
Formula phase transformation Waste Heat Recovery System for a long time efficiently, stable operation.
(2) present invention is provided with the second cooling heat source pipeline in cooling air collector, for reducing phase in cooling air collector
The saturation temperature and vapor partial pressure power for matter of exchanging work, and cooling heat needed for the second cooling heat source pipeline is all very small, holds
It easily obtains, usually optional surrounding air continues simultaneously steadily injector to be maintained to pass in and out as the second cooling heat source to realize
Pressure difference between mouthful ensures that injector normally and efficiently works.
The restriction expansion device of (3) the 5th condensate pipes road setting is conducive to first for reducing the temperature of injection lime set
Injector preferably dissolves phase-change working substance steam when aspirating phase-change working substance steam, reduces the first injector and exports biphase gas and liquid flow
Void fraction, significantly improve the working effect of injector, the separation of incoagulable gas be better achieved.
(4) present system structure is simple, and operation and maintenance are convenient, and system operation reliability is high.
Detailed description of the invention
Fig. 1 is the first system schematic diagram of the invention；
Fig. 2 is second system schematic diagram of the invention；
Fig. 3 is third systematic schematic diagram of the invention；
Fig. 4 is the 4th systematic schematic diagram of the invention；
Fig. 5 is the 5th systematic schematic diagram of the invention；
Fig. 6 is the 6th systematic schematic diagram of the invention；
Fig. 7 is existing separated phase transition Waste Heat Recovery System schematic diagram.
Specific embodiment
Specific embodiment 1: embodiment is described with reference to Fig. 1, it is a kind of for excluding the separate type phase of incoagulable gas
Become Waste Heat Recovery System, it includes evaporator 1, condenser 2, the cooling steaming of heat source pipeline 12, first of waste heat heat source pipeline 11, first
Vapor pipeline 21 and the first lime set pipeline 22,1 top of evaporator is connected to the top of condenser 2 by the first steam pipework 21, cold
The lower part of condenser 2 is connected to the lower part of evaporator 1 by the first lime set pipeline 22, and waste heat heat source pipeline 11 is arranged in evaporator 1
Interior, the first cooling heat source pipeline 12 is arranged in condenser 2,
It further includes that the first lime set pumps the 3, first injector 4, cooling air collector 5, the cooling heat source tube of air extractor 6, second
Road 13, the second lime set pipeline 23, the second steam pipework 24, third lime set pipeline 25 and the 4th lime set pipeline 26, the second cooling heat
Source capsule road 13 is arranged in cooling air collector 5,
The lower part of condenser 2 is connected to the working fluid input end of the first injector 4 by the second lime set pipeline 23, described
Be additionally provided with the first lime set pump 3 on second lime set pipeline 23, the top of condenser 2 and the first injector 4 by ejection gas into
Mouth end is connected to by the second steam pipework 24, and the top of the outlet end of the first injector 4 and cooling air collector 5 passes through third lime set
Pipeline 25 is connected to, and the lower part of cooling air collector 5 is connected to the lower part of condenser 2 by the 4th lime set pipeline 26, air extractor 6 and
The top connection of cooling air collector 5.
First lime set pump, 3 guarantee phase-change working substance lime set flows to the first injector 4 by condenser 2.
Evaporator 1 is heated by the waste heat heat source entered in waste heat heat source pipeline 11, and condenser 2 is by entering the first cooling heat source
The first cooling heat source cooling in pipeline 12, cooling air collector 5 are cooling warm by enter in the second cooling heat source pipeline 13 second
Source cooling.
The operation logic of present embodiment: phase-change working substance (usually water or alkane, freon etc.) in evaporator 1 by
The phase-change working substance steam of the heating of waste heat heat source, generation of boiling enters in condenser 2 via the first steam pipework 21, and phase-change working substance steams
Vapour is cooling by the first cooling heat source in condenser 2, and the phase-change working substance lime set for condensing generation under the effect of gravity, is coagulated via first
Liquid pipeline 22 enters evaporator 1, to complete the thermodynamic cycle of phase-change working substance, extremely by the heat transfer in waste heat heat source pipeline 11
In first cooling heat source pipeline 12, the first cooling heat source in the first cooling heat source pipeline 12 can carry out the heat of recycling other
Using.
First lime set pump 3 aspirates phase-change working substance lime set from condenser 2 by the second lime set pipeline 23 and promotes its pressure, makees
For the injection working fluid of the first injector 4, by 24 suction cooler 2 of the second steam pipework by phase-change working substance steam and not
The mixed gas of solidifying property gas composition, in 4 course of work of the first injector, the dissolution of partial phase change working substance steam enters phase transformation work
The phase-change working substance lime set of matter lime set, the outlet of the first injector 4 (contains the uncooled phase transformation of the incoagulable gas being sucked and part
Working substance steam) pass through third lime set pipeline 25 into cooling air collector 5, phase-change working substance steam is by second in cooling air collector 5
Cooling heat source is cooling, and maintains lower phase-change working substance saturation temperature and vapor partial pressure power in cooling air collector 5, while in cooling
The gas-liquid separation of phase-change working substance and the storage and enrichment of incoagulable gas, the phase transformation of cooling 5 lower part of air collector are realized in air collector 5
Working medium lime set is back to condenser 2 by the 4th lime set pipeline 26,
After incoagulable gas is enriched with to a certain extent in cooling air collector 5, gross pressure is increased to a certain degree, open
Air extractor 6 can exclude the incoagulable gas in system to except system, to realize separated phase transition Waste Heat Recovery system
Transfer, storage, enrichment, the exclusion of incoagulable gas in uniting effectively ensure that phase transformation Waste Heat Recovery System is efficient for a long time, stablize
Operation.
Under normal circumstances, the airtightness of separated phase transition Waste Heat Recovery System is very good, the percolation ratio of incoagulable gas
It is all very small with the factor of created gase of corrosion process incoagulable gas, so the sucking rate of the first injector 4 is also very small, lead to second
Required cooling heat is also very small in cooling heat source pipeline 13, therefore usually optional surrounding air or system water supplement conduct
Second cooling heat source, being provided with for the second cooling heat source pipeline 13 are conducive to continue simultaneously steadily to maintain the first injector 4 to import and export
Between pressure difference, ensure that the first injector 4 normally and efficiently works, second cooling heat source is easy in the second cooling heat source pipeline 13
Availability also ensures the technical feasibility of present embodiment.
Specific embodiment 2: embodiment is described with reference to Fig. 1, the position of evaporator 1 is lower than the position of condenser 2.
It is designed in this way, guarantees that phase-change working substance lime set can be back to evaporator 1 by the first lime set pipeline 22 under the effect of gravity.It is other
It forms same as the specific embodiment one with connection relationship.
Specific embodiment 3: embodiment is described with reference to Fig. 2, it further includes being arranged on the first lime set pipeline 22
Second lime set pump 7.It is designed in this way, does not require the position of evaporator 1 to be lower than the position of condenser 2, phase-change working substance lime set can be straight
The driving for connecting the second lime set pump 7 is back to evaporator 1 by condenser 2, can not be limited by system installation space height,
Expand systematic difference occasion.Other compositions are same as the specific embodiment one with connection relationship.
Specific embodiment 4: embodiment is described with reference to Fig. 3, it is a kind of for excluding the separate type phase of incoagulable gas
Become Waste Heat Recovery System, it includes evaporator 1, condenser 2, the cooling steaming of heat source pipeline 12, first of waste heat heat source pipeline 11, first
Vapor pipeline 21 and the first lime set pipeline 22,1 top of evaporator is connected to the top of condenser 2 by the first steam pipework 21, cold
The lower part of condenser 2 is connected to the lower part of evaporator 1 by the first lime set pipeline 22, and waste heat heat source pipeline 11 is arranged in evaporator 1
Interior, the first cooling heat source pipeline 12 is arranged in condenser 2,
It further includes that the first lime set pumps the 3, first injector 4, cooling air collector 5, the cooling heat source tube of air extractor 6, second
Road 13, the second lime set pipeline 23, the second steam pipework 24, third lime set pipeline 25, the 4th lime set pipeline 26, third steam pipework
28, the 5th lime set pipeline 27, restriction expansion device 9 and low temperature lime set tank 8, the second cooling setting of heat source pipeline 13 is in cooling gas collection
In tank 5,
The lower part of condenser 2 is connected to the lower part of low temperature lime set tank 8 by the 5th lime set pipeline 27, the 5th condensate pipe
Restriction expansion device 9 is additionally provided on road 27, the lower part of low temperature lime set tank 8 and the working fluid input end of the first injector 4 are logical
Cross the connection of the second lime set pipeline 23, be additionally provided with the first lime set pump 3 on the second lime set pipeline 23, low temperature lime set tank 8 it is upper
Portion is connected to the top of cooling air collector 5 by third steam pipework 28, and the top of condenser 2 is drawn with the first injector 4
It penetrates gas inlet end to be connected to by the second steam pipework 24, the outlet end of the first injector 4 and the top of cooling air collector 5 pass through
Third lime set pipeline 25 is connected to, and the lower part of cooling air collector 5 is connected to the lower part of condenser 2 by the 4th lime set pipeline 26, is taken out
Device of air 6 is connected to the top of cooling air collector 5.
First lime set pump, 3 guarantee phase-change working substance lime set flows to the first injector 4 by low temperature lime set tank 8.
Evaporator 1 is heated by the waste heat heat source entered in waste heat heat source pipeline 11, and condenser 2 is by entering the first cooling heat source
The first cooling heat source cooling in pipeline 12, cooling air collector 5 are cooling warm by enter in the second cooling heat source pipeline 13 second
Source cooling.
By the way that restriction expansion device 9 is arranged, make to ensure that and mutually exchange work there are pressure difference between condenser 2 and low temperature lime set tank 8
Matter lime set flows to low temperature lime set tank 8 by condenser 2.
The cooling effect of second cooling heat source ensure that the pressure of low temperature lime set tank 8 lower than condenser 2.
The operation logic of present embodiment: phase-change working substance (usually water or alkane, freon etc.) in evaporator 1 by
Waste heat heat source pipeline 11 heats, and the phase-change working substance steam for generation of boiling enters condenser 2 via the first steam pipework 21, mutually exchanges work
Matter steam is cooling by the first cooling heat source pipeline 12 in condenser 2, condenses the phase-change working substance lime set of generation under the effect of gravity,
Enter evaporator 1 via the first lime set pipeline 22, so that the thermodynamic cycle of phase-change working substance is completed, by the heat transfer of waste heat heat source
To the first cooling heat source, the heat of recycling can be carried out other application by the first cooling heat source in the first cooling heat source pipeline 12.
Restriction expansion device 9 is set on the 5th lime set pipeline 27 between condenser 2 and low temperature lime set tank 8, to part
Phase-change working substance lime set carries out throttling expansion cooling, and the first injector 4 is using lower than by injection phase-change working substance vapo(u)rous temperature
Phase-change working substance lime set as injection working fluid, it is preferably molten when aspirating phase-change working substance steam to be conducive to the first injector 4
Phase-change working substance steam is solved, reduces the void fraction of the first injector 4 outlet biphase gas and liquid flow, significantly improves the first injector 4
The separation of incoagulable gas is better achieved in working effect.
The low-temp low-pressure phase-change working substance steam that flash distillation generates in low temperature lime set tank 8 is collected by third steam pipework 28 with cooling
Gas tank 5 is connected to, and realizes the maintenance of flash-off steam dredged with 8 low pressure of low temperature lime set tank,
First lime set pump 3 aspirates phase-change working substance lime set from low temperature lime set tank 8 by the second lime set pipeline 23 and promotes its pressure
Power, as the injection working fluid of the first injector 4, by being steamed in 24 suction cooler 2 of the second steam pipework by phase-change working substance
The mixed gas of vapour and incoagulable gas composition, in 4 course of work of the first injector, the dissolution of partial phase change working substance steam enters
The phase-change working substance lime set of phase-change working substance lime set, the outlet of the first injector 4 is (uncooled containing the incoagulable gas and part being sucked
Phase-change working substance steam) cooling air collector 5 entered by third lime set pipeline 25, the phase-change working substance steam in cooling air collector 5
It is cooling by the second cooling heat source, and lower phase-change working substance saturation temperature and vapor partial pressure power in cooling air collector 5 are maintained, usually
Surrounding air or system water supplement can be selected and realize phase-change working substance as the second cooling heat source, while in cooling air collector 5
The phase-change working substance lime set of gas-liquid separation and the storage of incoagulable gas and enrichment, cooling 5 lower part of air collector passes through the 4th condensate pipe
Road 26 is back to condenser 2,
After incoagulable gas is enriched with to a certain extent in cooling air collector 5, gross pressure is increased to a certain degree, open
Air extractor 6 can exclude the incoagulable gas in system to except system, to realize separated phase transition Waste Heat Recovery system
Transfer, storage, enrichment, the exclusion of incoagulable gas in uniting effectively ensure that phase transformation Waste Heat Recovery System is efficient for a long time, stablize
Operation.
Specific embodiment 5: embodiment is described with reference to Fig. 3, the position of evaporator 1 is lower than the position of condenser 2.
It is designed in this way, guarantees that phase-change working substance lime set can be back to evaporator 1 by the first lime set pipeline 22 under the effect of gravity.It is other
It forms identical as specific embodiment four as connection relationship.
Specific embodiment 6: embodiment is described with reference to Fig. 4, it further includes being arranged on the first lime set pipeline 22
Second lime set pump 7.It is designed in this way, does not require the position of evaporator 1 to be lower than the position of condenser 2, phase-change working substance lime set can be straight
The driving for connecting the second lime set pump 7 is back to evaporator 1 by condenser 2, can not be limited by system installation space height,
Expand systematic difference occasion.Other compositions are identical as specific embodiment four as connection relationship.
Specific embodiment 7: that embodiment is described with reference to Fig.5, is a kind of for excluding the separate type phase of incoagulable gas
Become Waste Heat Recovery System, it includes evaporator 1, condenser 2, the cooling steaming of heat source pipeline 12, first of waste heat heat source pipeline 11, first
Vapor pipeline 21 and the first lime set pipeline 22,1 top of evaporator is connected to the top of condenser 2 by the first steam pipework 21, cold
The lower part of condenser 2 is connected to the lower part of evaporator 1 by the first lime set pipeline 22, and waste heat heat source pipeline 11 is arranged in evaporator 1
Interior, the first cooling heat source pipeline 12 is arranged in condenser 2,
It further includes that the first lime set pumps the 3, first injector 4, cooling air collector 5, the cooling heat source tube of air extractor 6, second
Road 13, the second lime set pipeline 23, the second steam pipework 24, third lime set pipeline 25, the 4th lime set pipeline 26, third steam pipework
28, the 5th lime set pipeline 27, restriction expansion device 9, low temperature lime set tank 8, the second injector 10 and the 6th lime set pipeline 29, second
Cooling heat source pipeline 13 is arranged in cooling air collector 5,
The lower part of condenser 2 is connected to the lower part of low temperature lime set tank 8 by the 5th lime set pipeline 27, the 5th condensate pipe
Restriction expansion device 9 is additionally provided on road 27, the lower part of low temperature lime set tank 8 and the working fluid input end of the first injector 4 are logical
Cross the connection of the second lime set pipeline 23, be additionally provided with the first lime set pump 3 on the second lime set pipeline 23, the top of condenser 2 with
First injector 4 is connected to by ejection gas input end by the second steam pipework 24, the outlet end and second of the first injector 4
The working fluid input end of injector 10 is connected to by the 6th lime set pipeline 29, the top of low temperature lime set tank 8 and the second injector
10 are connected to by ejection gas input end by third steam pipework 28, the outlet end of the second injector 10 and cooling air collector 5
Top be connected to by third lime set pipeline 25, the lower part of cooling air collector 5 and the lower part of condenser 2 pass through the 4th lime set pipeline
26 connections, air extractor 6 are connected to the top of cooling air collector 5.
First lime set pump, 3 guarantee phase-change working substance lime set flows to the first injector 4 by low temperature lime set tank 8.
Evaporator 1 is heated by the waste heat heat source entered in waste heat heat source pipeline 11, and condenser 2 is by entering the first cooling heat source
The first cooling heat source cooling in pipeline 12, cooling air collector 5 are cooling warm by enter in the second cooling heat source pipeline 13 second
Source cooling.
By the way that restriction expansion device 9 is arranged, make to ensure that and mutually exchange work there are pressure difference between condenser 2 and low temperature lime set tank 8
Matter lime set flows to low temperature lime set tank 8 by condenser 2.
The swabbing action of second injector 10 ensure that the pressure of low temperature lime set tank 8 lower than condenser 2.
The operation logic of present embodiment: phase-change working substance (usually water or alkane, freon etc.) in evaporator 1 by
Waste heat heat source pipeline 11 heats, and the phase-change working substance steam for generation of boiling enters condenser 2 via the first steam pipework 21, mutually exchanges work
Matter steam is cooling by the first cooling heat source in the first cooling heat source pipeline 12 in condenser 2, condenses the phase-change working substance of generation
Lime set enters evaporator 1 under the effect of gravity, via the first lime set pipeline 22, so that the thermodynamic cycle of phase-change working substance is completed, it will
The heat of recycling can be carried out other application by the heat transfer of waste heat heat source to the first cooling heat source, the first cooling heat source.
Restriction expansion device 9 is set on the 5th lime set pipeline 27 between condenser 2 and low temperature lime set tank 8, to part
Phase-change working substance lime set carries out throttling expansion cooling, and the first injector 4 is using lower than by injection phase-change working substance vapo(u)rous temperature
Phase-change working substance lime set as injection working fluid, it is preferably molten when aspirating phase-change working substance steam to be conducive to the first injector 4
Phase-change working substance steam is solved, reduces the void fraction of the first injector 4 outlet biphase gas and liquid flow, significantly improves the first injector 4
The separation of incoagulable gas is better achieved in working effect.
The low-temp low-pressure phase-change working substance steam that flash distillation generates in low temperature lime set tank 8 is made by the suction of the second injector 10
With realizing the maintenance of flash-off steam dredged with 8 low pressure of low temperature lime set tank, and the pressure of low temperature lime set tank 8 can be independently
Stability contorting, without being influenced by 5 pressure of air collector is cooled down, due to cooling down the pressure of air collector 5 with the richness of incoagulable gas
Collect and gradually rise, causes the pressure difference between condenser 2 and low temperature lime set tank 8 to be gradually reduced, may cause restriction expansion device 9
Failure, the setting of the second injector 10 can solve this problem,
First lime set pump 3 aspirates phase-change working substance lime set simultaneously from low temperature lime set tank 8 by the second lime set (injection feed liquor) pipeline
Its pressure is promoted, as the injection working fluid of the first injector 4, passes through the second steam (jetting steam caused) pipeline suction cooler
The mixed gas being made of in 22 phase-change working substance steam and incoagulable gas, in 4 course of work of the first injector, partial phase change
Working substance steam dissolution enters phase-change working substance lime set, and the phase-change working substance lime set of the first injector 4 outlet (contains the incoagulability being sucked
The uncooled phase-change working substance steam of gas and part) pass through the 6th (intermediate injection) lime set pipeline into 10 conduct of the second injector
Injection working fluid aspirates the phase-change working substance steam that generation is flashed in low temperature lime set tank 8 by third (low temperature) steam pipework, the
The phase-change working substance lime set of two injectors 10 outlet (is steamed containing the uncooled phase-change working substance of the incoagulable gas being sucked and part
Vapour) cooling air collector 5 entered by third lime set (injection goes out liquid) pipeline, phase-change working substance steam is by the in cooling air collector 5
Two cooling heat sources are cooling, and maintain lower phase-change working substance saturation temperature and vapor partial pressure power in cooling air collector 5, usually optional
It uses surrounding air or system water supplement as the second cooling heat source, while realizing the gas-liquid of phase-change working substance in cooling air collector 5
The phase-change working substance lime set of the storage and enrichment of separation and incoagulable gas, cooling 5 lower part of air collector passes through the 4th (reflux) lime set
Pipeline is back to condenser 2,
After incoagulable gas is enriched with to a certain extent in cooling air collector 5, gross pressure is increased to a certain degree, open
Air extractor 6 can exclude the incoagulable gas in system to except system, to realize separated phase transition Waste Heat Recovery system
Transfer, storage, enrichment, the exclusion of incoagulable gas in uniting effectively ensure that phase transformation Waste Heat Recovery System is efficient for a long time, stablize
Operation.
Specific embodiment 8: the position of embodiment is described with reference to Fig.5, evaporator 1 is lower than the position of condenser 2.
It is designed in this way, guarantees that phase-change working substance lime set can be back to evaporator 1 by the first lime set pipeline 22 under the effect of gravity.It is other
It forms identical as specific embodiment seven as connection relationship.
Specific embodiment 9: embodiment is described with reference to Fig.6, it further includes being arranged on the first lime set pipeline 22
Second lime set pump 7.It is designed in this way, does not require the position of evaporator 1 to be lower than the position of condenser 2, phase-change working substance lime set can be straight
The driving for connecting the second lime set pump 7 is back to evaporator 1 by condenser 2, can not be limited by system installation space height,
Expand systematic difference occasion.Other compositions are identical as specific embodiment seven as connection relationship.
Claims (6)
1. a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it includes evaporator (1), condenser
(2), waste heat heat source pipeline (11), first cooling heat source pipeline (12), the first steam pipework (21) and the first lime set pipeline (22),
Evaporator (1) top is connected to the top of condenser (2) by the first steam pipework (21), the lower part of condenser (2) and evaporation
The lower part of device (1) is connected to by the first lime set pipeline (22), and in evaporator (1), first is cold for waste heat heat source pipeline (11) setting
But heat source pipeline (12) setting is in condenser (2), it is characterised in that:
It further includes the first lime set pump (3), the first injector (4), cooling air collector (5), air extractor (6), the second cooling heat
Source capsule road (13), the second lime set pipeline (23), the second steam pipework (24), third lime set pipeline (25), the 4th lime set pipeline
(26), third steam pipework (28), the 5th lime set pipeline (27), restriction expansion device (9) and low temperature lime set tank (8), second is cold
But heat source pipeline (13) setting is interior in cooling air collector (5),
The lower part of condenser (2) is connected to the lower part of low temperature lime set tank (8) by the 5th lime set pipeline (27), the 5th lime set
It is additionally provided on pipeline (27) restriction expansion device (9), the lower part of low temperature lime set tank (8) and the working solution of the first injector (4)
Body input end is connected to by the second lime set pipeline (23), and the first lime set pump (3) is additionally provided on the second lime set pipeline (23),
The top of low temperature lime set tank (8) is connected to the top of cooling air collector (5) by third steam pipework (28), condenser (2)
Top is connected to by ejection gas input end by the second steam pipework (24) with the first injector (4), the first injector (4)
Outlet end is connected to the top of cooling air collector (5) by third lime set pipeline (25), the lower part of cooling air collector (5) and condensation
The lower part of device (2) is connected to by the 4th lime set pipeline (26), and air extractor (6) is connected to the top of cooling air collector (5).
2. it is according to claim 1 a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it is special
Sign is: the position of evaporator (1) is lower than the position of condenser (2).
3. it is according to claim 1 a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it is special
Sign is: it further includes the second lime set pump (7) being arranged on the first lime set pipeline (22).
4. a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it includes evaporator (1), condenser
(2), waste heat heat source pipeline (11), first cooling heat source pipeline (12), the first steam pipework (21) and the first lime set pipeline (22),
Evaporator (1) top is connected to the top of condenser (2) by the first steam pipework (21), the lower part of condenser (2) and evaporation
The lower part of device (1) is connected to by the first lime set pipeline (22), and in evaporator (1), first is cold for waste heat heat source pipeline (11) setting
But heat source pipeline (12) setting is in condenser (2), it is characterised in that:
It further includes the first lime set pump (3), the first injector (4), cooling air collector (5), air extractor (6), the second cooling heat
Source capsule road (13), the second lime set pipeline (23), the second steam pipework (24), third lime set pipeline (25), the 4th lime set pipeline
(26), third steam pipework (28), the 5th lime set pipeline (27), restriction expansion device (9), low temperature lime set tank (8), the second injection
Device (10) and the 6th lime set pipeline (29), second cooling heat source pipeline (13) setting is interior in cooling air collector (5),
The lower part of condenser (2) is connected to the lower part of low temperature lime set tank (8) by the 5th lime set pipeline (27), the 5th lime set
It is additionally provided on pipeline (27) restriction expansion device (9), the lower part of low temperature lime set tank (8) and the working solution of the first injector (4)
Body input end is connected to by the second lime set pipeline (23), and the first lime set pump (3) is additionally provided on the second lime set pipeline (23),
The top of condenser (2) is connected to by ejection gas input end by the second steam pipework (24) with the first injector (4), and first
The outlet end of injector (4) is connected to the working fluid input end of the second injector (10) by the 6th lime set pipeline (29), low
The top of warm lime set tank (8) is connected to by ejection gas input end by third steam pipework (28) with the second injector (10),
The outlet end of second injector (10) is connected to the top of cooling air collector (5) by third lime set pipeline (25), cooling gas collection
The lower part of tank (5) is connected to the lower part of condenser (2) by the 4th lime set pipeline (26), air extractor (6) and cooling air collector
(5) top connection.
5. it is according to claim 4 a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it is special
Sign is: the position of evaporator (1) is lower than the position of condenser (2).
6. it is according to claim 4 a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas, it is special
Sign is: it further includes the second lime set pump (7) being arranged on the first lime set pipeline (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203318.5A CN106767061B (en) | 2016-12-22 | 2016-12-22 | It is a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203318.5A CN106767061B (en) | 2016-12-22 | 2016-12-22 | It is a kind of for excluding the separated phase transition Waste Heat Recovery System of incoagulable gas |
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| CN106767061B true CN106767061B (en) | 2019-01-01 |
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| CN112984851B (en) * | 2021-03-31 | 2022-05-10 | 温兄控股集团股份有限公司 | Semi-overlapping type heat pump double-effect evaporation concentration system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105633A (en) * | 1991-01-28 | 1992-04-21 | Venturedyne, Ltd. | Solvent recovery system with means for supplemental cooling |
| CN202692786U (en) * | 2012-08-11 | 2013-01-23 | 云南丰普科技有限公司 | Split type heat pipe |
| CN205690909U (en) * | 2016-06-12 | 2016-11-16 | 联合瑞升（北京）科技有限公司 | A kind of water chiller heat pump backheat vacuum energy-saving system |
-
2016
- 2016-12-22 CN CN201611203318.5A patent/CN106767061B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105633A (en) * | 1991-01-28 | 1992-04-21 | Venturedyne, Ltd. | Solvent recovery system with means for supplemental cooling |
| CN202692786U (en) * | 2012-08-11 | 2013-01-23 | 云南丰普科技有限公司 | Split type heat pipe |
| CN205690909U (en) * | 2016-06-12 | 2016-11-16 | 联合瑞升（北京）科技有限公司 | A kind of water chiller heat pump backheat vacuum energy-saving system |
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| CN106767061A (en) | 2017-05-31 |
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