CN105737236A - Two-grade evaporation efficiency improvement type jet heat exchanger unit and application - Google Patents
Two-grade evaporation efficiency improvement type jet heat exchanger unit and application Download PDFInfo
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- CN105737236A CN105737236A CN201610149916.2A CN201610149916A CN105737236A CN 105737236 A CN105737236 A CN 105737236A CN 201610149916 A CN201610149916 A CN 201610149916A CN 105737236 A CN105737236 A CN 105737236A
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- water
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- side pipeline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- 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
- F25B30/00—Heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
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- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to the technical field of energy, and in particular, relates to a two-grade evaporation efficiency improvement type jet heat exchanger unit and application. The two-grade evaporation efficiency improvement type jet heat exchanger unit consists of a water-water heat exchanger, a two-grade evaporation efficiency improvement type jet heat pump, a circulating water pump, a water system pipeline and a valve; and the two-grade evaporation efficiency improvement type jet heat pump is two types of a two-grade evaporation mechanical pressure increment efficiency improvement type jet heat pump or a two-grade evaporation power pressure increment efficiency improvement type jet heat pump. The two-grade evaporation efficiency improvement type jet heat exchanger unit is higher in heat exchange performance, is convenient for operation adjustment, can largely reduce the water return temperature of a primary heat network, promotes the heat supply capacity of the primary heat network, facilitates use of returned water with lower temperature of the primary heat network for recycling low-temperature heat energy, and is suitable for an industrial afterheat heat supply system and a high-temperature-difference remote concentrated heat supply system.
Description
Technical field
The invention belongs to energy technology field, be specifically related to a kind of double flash evaporation Synergistic type jetting type heat exchange unit and application.
Background technology
Along with the fast development of urbanization, China's cities and towns Areas benefiting from central heating and heating demand sharp increase, for thermal energy consumption also with year
All increase, also face simultaneously heating demand demand quickly increase not enough with central heat source heat capacity, pipe network conveying capacity is limited
Contradiction.A heat supply network return water temperature is greatly reduced and both can widen the supply backwater temperature difference of a heat supply network, improve the heated conveying energy of heat supply network
Power, expands heat supply radius；Also it is beneficial to recycle low-temperature heat source simultaneously, reduces for thermal energy consumption, improve overall utilization of energy
Rate.
For conventional heat transfer unit, a heat supply network recirculated water and secondary heat supply network recirculated water direct heat transfer, its temperature difference is the driving of heat exchange
Power, even if conventional heat transfer unit uses countercurrent flow form, one time heat supply network return water temperature is also limited by secondary heat supply network return water temperature,
Lower temperature can not be reduced to；And one time heat supply network high temperature water supply (100～130 DEG C) uses direct heat transfer mode, to its heat
Grade loss is bigger.
Use which kind of equipment and technology a heat supply network water supply heat energy and available energy thereof can be realized cascade utilization, it is achieved economical, high
The heat exchange of effect, is greatly reduced a heat supply network return water temperature, is heat supply process field technical barrier urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of double flash evaporation Synergistic type jetting type heat exchange unit and application, concrete technical scheme is as follows:
A kind of double flash evaporation Synergistic type jetting type heat exchange unit, by water-water heat exchanger, double flash evaporation Synergistic type jet type heat pump, follows
Ring water pump, water system pipeline and valve are constituted；
Described double flash evaporation Synergistic type jet type heat pump is divided into double flash evaporation engine driven supercharging Synergistic type jet type heat pump and double flash evaporation to move
Power supercharging Synergistic type jet type heat pump；
(1) described double flash evaporation engine driven supercharging Synergistic type jet type heat pump by generator, high pressure evaporator, low pressure evaporator,
Condenser, the first ejector, first throttle device, the second throttling arrangement, the first supercharger, working medium circulating pump and connecting line
Composition；
Wherein, working medium circulation pump discharge is connected with the working medium entrance of generator, the sender property outlet pipeline of generator and the first ejector
Working-fluid intaking connect, the fluid-mixing export pipeline of the first ejector is connected with the working medium entrance of condenser, condenser
Sender property outlet pipeline is divided into A, B two-way, A road to be connected with working medium circulation pump intake, thus forms a closed circuit；B road
B1, B2 two-way, B1 road it is divided into again to be sequentially connected with the working medium entrance of first throttle device portal, high pressure evaporator；B2 road
It is sequentially connected with the second throttling device portal, the working medium entrance of low pressure evaporator；
The sender property outlet of low pressure evaporator and the first supercharger entrance connect, and the first supercharger outlet goes out with the working medium of high pressure evaporator
After mouth converges, then it is connected with the first ejector driving fluid entrance；
Described water system pipeline includes primary side pipeline and secondary side pipeline；The entrance of primary side pipeline is with generator heating agent entrance even
Connecing, the outlet of generator heating agent is connected with water-water heat exchanger heating agent entrance, the outlet of water-water heat exchanger heating agent and high pressure evaporator heating agent
Entrance connects, and the outlet of high pressure evaporator heating agent is connected with low pressure evaporator heating agent entrance, the outlet of low pressure evaporator heating agent and primary side
The outlet of pipeline connects；Water circulating pump, water-water heat exchanger, condenser form secondary side pipeline, and described secondary side pipeline is in parallel
Connected mode or be connected in series mode；
Further, described parallel is: the entrance of secondary side pipeline is connected with water circulating pump entrance, and recirculated water pumps out
Mouth pipeline divides two-way, and road first valve is connected with water-water heat exchanger refrigerant inlet, and another road second valve is cold with condenser
Matchmaker's entrance connects, after the refrigerant exit of the refrigerant exit of water-water heat exchanger and condenser connects, then with the outlet phase of secondary side pipeline
Even；
The described mode that is connected in series is divided into again L1、L2Two ways；L1Connected mode is: the entrance of secondary side pipeline and recirculated water
Pump intake connects, and water circulating pump outlet is connected with water-water heat exchanger refrigerant inlet, and water-water heat exchanger refrigerant exit is cold with condenser
Matchmaker's entrance connects, and condenser refrigerant exit is connected with the outlet of secondary side pipeline；L2Connected mode is: entering of secondary side pipeline
Mouth is connected with water circulating pump entrance, and water circulating pump outlet is connected with condenser refrigerant inlet, condenser refrigerant exit and water-water heat exchange
Device refrigerant inlet connects, and water-water heat exchanger refrigerant exit is connected with the outlet of secondary side pipeline.
(2) described double flash evaporation dynamic supercharging Synergistic type jet type heat pump by generator, high pressure evaporator, low pressure evaporator,
Condenser, the first ejector, the second ejector, first throttle device, the second throttling arrangement, working medium circulating pump and connecting line
Composition；
Wherein, working medium circulation pump discharge is connected with the working medium entrance of generator, the sender property outlet pipeline of generator and the first ejector
Working-fluid intaking connect, the fluid-mixing export pipeline of the first ejector is connected with the working medium entrance of condenser, condenser
Sender property outlet pipeline is divided into A, B two-way, A road to be connected with working medium circulation pump intake, thus forms a closed circuit；B road
B1, B2 two-way, B1 road it is divided into again to be sequentially connected with the working medium entrance of first throttle device portal, high pressure evaporator；B2 road
It is sequentially connected with the second throttling device portal, the working medium entrance of low pressure evaporator；
The sender property outlet of high pressure evaporator is connected with low pressure ejector Working-fluid intaking, the sender property outlet of low pressure evaporator and low pressure
Ejector driving fluid entrance connects, and low pressure ejector outlet is connected with high-pressure injector driving fluid entrance；
Described water system pipeline includes primary side pipeline and secondary side pipeline；The entrance of primary side pipeline is with generator heating agent entrance even
Connecing, the outlet of generator heating agent is connected with water-water heat exchanger heating agent entrance, the outlet of water-water heat exchanger heating agent and high pressure evaporator heating agent
Entrance connects, and the outlet of high pressure evaporator heating agent is connected with low pressure evaporator heating agent entrance, the outlet of low pressure evaporator heating agent and primary side
The outlet of pipeline connects；
Water circulating pump, water-water heat exchanger, condenser form secondary side pipeline, and described secondary side pipeline is parallel or string
Connection connected mode；
Further, described parallel is: the entrance of secondary side pipeline is connected with water circulating pump entrance, and recirculated water pumps out
Mouth pipeline divides two-way, and road first valve is connected with water-water heat exchanger refrigerant inlet, and another road second valve is cold with condenser
Matchmaker's entrance connects, after the refrigerant exit of the refrigerant exit of water-water heat exchanger and condenser connects, then with the outlet phase of secondary side pipeline
Even；
The described mode that is connected in series is divided into again L1、L2Two ways；L1Connected mode is: the entrance of secondary side pipeline and recirculated water
Pump intake connects, and water circulating pump outlet is connected with water-water heat exchanger refrigerant inlet, and water-water heat exchanger refrigerant exit is cold with condenser
Matchmaker's entrance connects, and condenser refrigerant exit is connected with the outlet of secondary side pipeline；L2Connected mode is: entering of secondary side pipeline
Mouth is connected with water circulating pump entrance, and water circulating pump outlet is connected with condenser refrigerant inlet, condenser refrigerant exit and water-water heat exchange
Device refrigerant inlet connects, and water-water heat exchanger refrigerant exit is connected with the outlet of secondary side pipeline.
Further, described double flash evaporation engine driven supercharging Synergistic type jet type heat pump or double flash evaporation dynamic supercharging Synergistic type injecting type
Heat pump also includes the second supercharger；The fluid-mixing export pipeline of the first ejector and the entrance of the second supercharger connect, and second increases
The outlet of press is connected with the working medium entrance of condenser, and a pipeline in parallel in the import and export of the second supercharger, and pipeline is installed
3rd valve.
(3) unit of double flash evaporation engine driven supercharging Synergistic type jet type heat pump carries out the application of heat exchange, specifically comprises the following steps that
The liquid refrigerant carrying out condenser is divided into two-way, and a road enters high pressure evaporator through B1 road pipeline and is evaporated to gaseous working medium,
Another road enters low pressure evaporator through B2 road pipeline and is evaporated to gaseous working medium, after the first supercharger supercharging, steams with from high pressure
Send out the gaseous working medium mixing of device, and enter in the first ejector as driving fluid, by the high-pressure gaseous work from high tension generator
After matter institute injection, mixing, enter condenser.
Further, high-pressure gaseous working medium injection that driving fluid is produced by generator in the first ejector after mixing, advanced
Enter the second supercharger by supercharging again, enter back into condenser.
Further, during unit operation, the workflow of primary side pipeline recirculated water is: the water supply of primary side pipeline first conduct
Driving heat source enters generator heat release cooling, enters back into water-water heat exchanger and continues heat release cooling, then enters successively as low-temperature heat source
Enter high pressure evaporator and low pressure evaporator further heat release cooling, finally as the backwater of primary side pipeline.
The workflow of secondary side pipeline recirculated water is as follows,
When the backwater of secondary side pipeline uses parallel way: the backwater of secondary side pipeline is divided into two-way after being pressurizeed by water circulating pump,
One tunnel the first valve enters water-water heat exchanger and is heated up by the circulating water heating of primary side pipeline, and another road second valve enters cold
Condenser is by high temperature refrigerant heat temperature raising；Circulating in of two-way secondary side pipeline a little converges at 1, and as the water supply of secondary side pipeline；
When the backwater of secondary side pipeline uses series system, it is divided into again L1、L2Two ways；When using L1During mode: secondary
The backwater of lateral line enters water-water heat exchanger after being pressurizeed by water circulating pump, carries out countercurrent flow with the recirculated water of primary side pipeline, adds
After heat intensification, entrance condenser is by the further heat temperature raising of high temperature refrigerant, finally as the water supply of secondary side pipeline；
When using L2During mode: the backwater of secondary side pipeline pressurizeed by water circulating pump after enter condenser by high temperature refrigerant heat temperature raising,
Subsequently into water-water heat exchanger, carrying out countercurrent flow with the recirculated water of primary side pipeline, further heat temperature raising, finally as two
The water supply of secondary lateral line.
(4) unit of double flash evaporation dynamic supercharging Synergistic type jet type heat pump carries out the application of heat exchange, specifically comprises the following steps that
The liquid refrigerant carrying out condenser is divided into two-way, and a road enters high pressure evaporator through B1 road pipeline and is evaporated to gaseous working medium, makees
It it is the working fluid of the second ejector；Another road enters low pressure evaporator through B2 road pipeline and is evaporated to gaseous working medium, as injection
Fluid enters the second ejector, by from the gaseous working medium injection of high pressure evaporator, mixing；The mixing work of the second ejector outlet
Matter steam enters in the first ejector as driving fluid, by from high tension generator high-pressure gaseous working medium institute injection, mixing after,
Enter condenser.
Further, high-pressure gaseous working medium injection that driving fluid is produced by generator in the first ejector after mixing, advanced
Enter the second supercharger by supercharging again, enter back into condenser.
Further, during unit operation, the workflow of primary side pipeline recirculated water is: the water supply of primary side pipeline first conduct
Driving heat source enters generator heat release cooling, enters back into water-water heat exchanger and continues heat release cooling, then enters successively as low-temperature heat source
Enter high pressure evaporator and low pressure evaporator further heat release cooling, finally as the backwater of primary side pipeline.
The workflow of secondary side pipeline recirculated water is as follows,
When the backwater of secondary side pipeline uses parallel way: the backwater of secondary side pipeline is divided into two-way after being pressurizeed by water circulating pump,
One tunnel the first valve enters water-water heat exchanger and is heated up by the circulating water heating of primary side pipeline, and another road second valve enters cold
Condenser is by high temperature refrigerant heat temperature raising；Circulating in of two-way secondary side pipeline a little converges at 1, and as the water supply of secondary side pipeline；
When the backwater of secondary side pipeline uses series system, it is divided into again L1、L2Two ways；When using L1During mode: secondary
The backwater of lateral line enters water-water heat exchanger after being pressurizeed by water circulating pump, carries out countercurrent flow with the recirculated water of primary side pipeline, adds
After heat intensification, entrance condenser is by the further heat temperature raising of high temperature refrigerant, finally as the water supply of secondary side pipeline；
When using L2During mode: the backwater of secondary side pipeline pressurizeed by water circulating pump after enter condenser by high temperature refrigerant heat temperature raising,
Subsequently into water-water heat exchanger, carrying out countercurrent flow with the recirculated water of primary side pipeline, further heat temperature raising, finally as two
The water supply of secondary lateral line.
The invention have the benefit that heat-exchange unit of the present invention, by jet type heat pump technology, is connected by certain pipeline,
The high mass-energy extraction and application supplying water primary side pipeline, produces refrigeration effect and cools down primary side pipeline recirculated water at vaporizer, simultaneously
This heat-exchange unit arranges high and low pressure vaporizer, can cool down the primary side pipeline recirculated water degree of depth, primary side pipeline is greatly reduced and returns
Coolant-temperature gage, thus be conducive to recycling low-temperature heat source, significantly promote the heat capacity of heat supply network.A kind of two-stage of the present invention is steamed
Send out Synergistic type jetting type heat exchange unit and can be used for the thermal substation of central heating system to improve the conveying capacity of heat supply network it can also be used to work
Amateurish hot heating field.
Accompanying drawing explanation
Fig. 1 is system composition and the pipeline connecting mode of embodiment 1；
Fig. 2 is system composition and the pipeline connecting mode of embodiment 2；
Fig. 3 is system composition and the pipeline connecting mode of embodiment 3；
Fig. 4 is system composition and the pipeline connecting mode of embodiment 4；
Fig. 5 is system composition and the pipeline connecting mode of embodiment 5；
Fig. 6 is system composition and the pipeline connecting mode of embodiment 6；
Fig. 7 is system composition and the pipeline connecting mode of embodiment 7；
Fig. 8 is system composition and the pipeline connecting mode of embodiment 8；
Fig. 9 is system composition and the pipeline connecting mode of embodiment 9；
Figure 10 is system composition and the pipeline connecting mode of embodiment 10；
Figure 11 is system composition and the pipeline connecting mode of embodiment 11；
Figure 12 is system composition and the pipeline connecting mode of embodiment 12；
In figure, the concrete meaning of each label is: G generator, C condenser, EJ1First ejector, EJ2Second injection
Device, E1High pressure evaporator, E2Low pressure evaporator, WHE water-water heat exchanger, Com1 the first supercharger, Com2
Second supercharger, V1First valve, V2Second valve, V33rd valve, VR1First throttle device, VR2The
Two throttling arrangements, PRWorking medium circulating pump, PWWater circulating pump, 1inThe water supply of primary side pipeline, 1outPrimary side pipeline
Backwater, 2inThe water supply of secondary side pipeline, 2outThe backwater of secondary side pipeline.
Detailed description of the invention
Below in conjunction with the accompanying drawings a kind of double flash evaporation Synergistic type jetting type heat exchange unit of the present invention and application are illustrated.
Embodiment 1
1-1 system composition and pipeline connecting mode:
A kind of double flash evaporation Synergistic type jetting type heat exchange unit as shown in Figure 1, by water-water heat exchanger, the spray of double flash evaporation Synergistic type
Penetrate formula heat pump, water circulating pump, water system pipeline and valve to constitute；Described double flash evaporation Synergistic type jet type heat pump is double flash evaporation
Engine driven supercharging Synergistic type jet type heat pump.
Described double flash evaporation engine driven supercharging Synergistic type jet type heat pump by generator, high pressure evaporator, low pressure evaporator, condenser,
First ejector, first throttle device, the second throttling arrangement, the first supercharger, working medium circulating pump and connecting line composition；
Wherein, working medium circulation pump discharge is connected with the working medium entrance of generator, the sender property outlet pipeline of generator and the first ejector
Working-fluid intaking connect, the fluid-mixing export pipeline of the first ejector is connected with the working medium entrance of condenser, condenser
Sender property outlet pipeline is divided into A, B two-way, A road to be connected with working medium circulation pump intake, thus forms a closed circuit；B road
B1, B2 two-way, B1 road it is divided into again to be sequentially connected with the working medium entrance of first throttle device portal, high pressure evaporator；B2 road
It is sequentially connected with the second throttling device portal, the working medium entrance of low pressure evaporator；
The sender property outlet of low pressure evaporator and the first supercharger entrance connect, and the first supercharger outlet goes out with the working medium of high pressure evaporator
After mouth converges, then it is connected with the first ejector driving fluid entrance；
Described water system pipeline includes primary side pipeline and secondary side pipeline；The entrance of primary side pipeline is with generator heating agent entrance even
Connecing, the outlet of generator heating agent is connected with water-water heat exchanger heating agent entrance, the outlet of water-water heat exchanger heating agent and high pressure evaporator heating agent
Entrance connects, and the outlet of high pressure evaporator heating agent is connected with low pressure evaporator heating agent entrance, the outlet of low pressure evaporator heating agent and primary side
The outlet of pipeline connects；
Secondary side pipeline uses parallel: the entrance of secondary side pipeline is connected with water circulating pump entrance, and water circulating pump exports
Pipeline divides two-way, and road first valve is connected with water-water heat exchanger refrigerant inlet, another road second valve and condenser coolant
Entrance connects, and after the refrigerant exit of water-water heat exchanger and the refrigerant exit of condenser connect, then is connected with the outlet of secondary side pipeline.
1-2 application process:
The liquid refrigerant carrying out condenser is divided into two-way, and a road enters high pressure evaporator through B1 road pipeline and is evaporated to gaseous working medium,
Another road enters low pressure evaporator through B2 road pipeline and is evaporated to gaseous working medium, after the first supercharger supercharging, steams with from high pressure
Send out the gaseous working medium mixing of device, and enter in the first ejector as driving fluid, by the high-pressure gaseous work from high tension generator
After matter institute injection, mixing, enter condenser；
During unit operation, the workflow of primary side pipeline recirculated water is: first the water supply of primary side pipeline enter as driving heat source
Enter generator heat release cooling, enter back into water-water heat exchanger and continue heat release cooling, then sequentially enter high-pressure evaporation as low-temperature heat source
Device and low pressure evaporator further heat release cooling, finally as the backwater of primary side pipeline.
The backwater of secondary side pipeline uses parallel way, and workflow is: the backwater of secondary side pipeline divides after being pressurizeed by water circulating pump
For two-way, road first valve enters water-water heat exchanger and is heated up by the circulating water heating of primary side pipeline, another road second valve
Door entrance condenser is by high temperature refrigerant heat temperature raising；Circulating in of two-way secondary side pipeline a little converges at 1, and as secondary side pipe
The water supply on road.
Embodiment 2
2-1 system composition and pipeline connecting mode:
As in figure 2 it is shown, secondary side pipeline uses the L being connected in series in mode1Connected mode: the entrance of secondary side pipeline and circulation
Pump entrance connects, and water circulating pump outlet is connected with water-water heat exchanger refrigerant inlet, water-water heat exchanger refrigerant exit and condenser
Refrigerant inlet connects, and condenser refrigerant exit is connected with the outlet of secondary side pipeline.
2-2 application process:
The backwater of secondary side pipeline uses the L in series system1Mode, workflow is: the backwater of secondary side pipeline is by recirculated water
Enter water-water heat exchanger after pump pressurization, carry out countercurrent flow with the recirculated water of primary side pipeline, after heat temperature raising, enter condenser quilt
The further heat temperature raising of high temperature refrigerant, finally as the water supply of secondary side pipeline.
Other are the most same as in Example 1.
Embodiment 3
3-1 system composition and pipeline connecting mode:
As it is shown on figure 3, secondary side pipeline uses the L being connected in series in mode2Connected mode: the entrance of secondary side pipeline and circulation
Pump entrance connects, and water circulating pump outlet is connected with condenser refrigerant inlet, and condenser refrigerant exit enters with water-water heat exchanger coolant
Mouth connects, and water-water heat exchanger refrigerant exit is connected with the outlet of secondary side pipeline.
3-2 application process:
The backwater of secondary side pipeline uses the L in series system2Mode, workflow is: the backwater of secondary side pipeline is by recirculated water
After pump pressurization, entrance condenser is by high temperature refrigerant heat temperature raising, subsequently into water-water heat exchanger, enters with the recirculated water of primary side pipeline
Row countercurrent flow, further heat temperature raising, finally as the water supply of secondary side pipeline.
Other are the most same as in Example 1.
Embodiment 4
4-1 system composition and pipeline connecting mode:
As shown in Figure 4, described system composition also includes the second supercharger, thus becomes double flash evaporation two-stage machinery potentiation supercharging
Jetting type heat exchange unit；The fluid-mixing export pipeline of the first ejector and the entrance of the second supercharger connect, the second supercharger
Outlet is connected with the working medium entrance of condenser, and a pipeline in parallel in the import and export of the second supercharger, and pipeline is installed the 3rd valve
Door.
4-2 application process:
High-pressure gaseous working medium injection that driving fluid is produced by generator in the first ejector after mixing, is introduced into the second supercharging
Machine, by supercharging again, enters back into condenser.
Other are the most same as in Example 1.
Embodiment 5
5-1 system composition and pipeline connecting mode:
As it is shown in figure 5, described system composition also includes the second supercharger, thus become double flash evaporation two-stage machinery potentiation supercharging
Jetting type heat exchange unit；The fluid-mixing export pipeline of the first ejector and the entrance of the second supercharger connect, the second supercharger
Outlet is connected with the working medium entrance of condenser, and a pipeline in parallel in the import and export of the second supercharger, and pipeline is installed the 3rd valve
Door.
5-2 application process:
High-pressure gaseous working medium injection that driving fluid is produced by generator in the first ejector after mixing, is introduced into the second supercharging
Machine, by supercharging again, enters back into condenser.
Other are the most same as in Example 2.
Embodiment 6
6-1 system composition and pipeline connecting mode:
As shown in Figure 6, described system composition also includes the second supercharger, thus becomes double flash evaporation two-stage machinery potentiation supercharging
Jetting type heat exchange unit；The fluid-mixing export pipeline of the first ejector and the entrance of the second supercharger connect, the second supercharger
Outlet is connected with the working medium entrance of condenser, and a pipeline in parallel in the import and export of the second supercharger, and pipeline is installed the 3rd valve
Door.
6-2 application process:
High-pressure gaseous working medium injection that driving fluid is produced by generator in the first ejector after mixing, is introduced into the second supercharging
Machine, by supercharging again, enters back into condenser.
Other are the most same as in Example 3.
Embodiment 7
7-1 system composition and pipeline connecting mode:
A kind of double flash evaporation Synergistic type jetting type heat exchange unit as shown in Figure 7, by water-water heat exchanger, the spray of double flash evaporation Synergistic type
Penetrate formula heat pump, water circulating pump, water system pipeline and valve to constitute；Described double flash evaporation Synergistic type jet type heat pump is double flash evaporation
Dynamic supercharging Synergistic type jet type heat pump.
Described double flash evaporation dynamic supercharging Synergistic type jet type heat pump by generator, high pressure evaporator, low pressure evaporator, condenser,
First ejector, the second ejector, first throttle device, the second throttling arrangement, working medium circulating pump and connecting line composition；
Wherein, working medium circulation pump discharge is connected with the working medium entrance of generator, the sender property outlet pipeline of generator and the first ejector
Working-fluid intaking connect, the fluid-mixing export pipeline of the first ejector is connected with the working medium entrance of condenser, condenser
Sender property outlet pipeline is divided into A, B two-way, A road to be connected with working medium circulation pump intake, thus forms a closed circuit；B road
B1, B2 two-way, B1 road it is divided into again to be sequentially connected with the working medium entrance of first throttle device portal, high pressure evaporator；B2 road
It is sequentially connected with the second throttling device portal, the working medium entrance of low pressure evaporator；
The sender property outlet of high pressure evaporator is connected with low pressure ejector Working-fluid intaking, the sender property outlet of low pressure evaporator and low pressure
Ejector driving fluid entrance connects, and low pressure ejector outlet is connected with high-pressure injector driving fluid entrance；
Described water system pipeline includes primary side pipeline and secondary side pipeline；The entrance of primary side pipeline is with generator heating agent entrance even
Connecing, the outlet of generator heating agent is connected with water-water heat exchanger heating agent entrance, the outlet of water-water heat exchanger heating agent and high pressure evaporator heating agent
Entrance connects, and the outlet of high pressure evaporator heating agent is connected with low pressure evaporator heating agent entrance, the outlet of low pressure evaporator heating agent and primary side
The outlet of pipeline connects；
Secondary side pipeline uses parallel: the entrance of secondary side pipeline is connected with water circulating pump entrance, and water circulating pump exports
Pipeline divides two-way, and road first valve is connected with water-water heat exchanger refrigerant inlet, another road second valve and condenser coolant
Entrance connects, and after the refrigerant exit of water-water heat exchanger and the refrigerant exit of condenser connect, then is connected with the outlet of secondary side pipeline.
7-2 application process:
The liquid refrigerant carrying out condenser is divided into two-way, and a road enters high pressure evaporator through B1 road pipeline and is evaporated to gaseous working medium, makees
It it is the working fluid of the second ejector；Another road enters low pressure evaporator through B2 road pipeline and is evaporated to gaseous working medium, as injection
Fluid enters the second ejector, by from the gaseous working medium injection of high pressure evaporator, mixing；The mixing work of the second ejector outlet
Matter steam enters in the first ejector as driving fluid, by from high tension generator high-pressure gaseous working medium institute injection, mixing after,
Enter condenser.
During unit operation, the workflow of primary side pipeline recirculated water is: first the water supply of primary side pipeline enter as driving heat source
Enter generator heat release cooling, enter back into water-water heat exchanger and continue heat release cooling, then sequentially enter high-pressure evaporation as low-temperature heat source
Device and low pressure evaporator further heat release cooling, finally as the backwater of primary side pipeline.
The backwater of secondary side pipeline uses parallel way, and workflow is: the backwater of secondary side pipeline divides after being pressurizeed by water circulating pump
For two-way, road first valve enters water-water heat exchanger and is heated up by the circulating water heating of primary side pipeline, another road second valve
Door entrance condenser is by high temperature refrigerant heat temperature raising；Circulating in of two-way secondary side pipeline a little converges at 1, and as secondary side pipe
The water supply on road.
Embodiment 8
8-1 system composition and pipeline connecting mode:
As shown in Figure 8, secondary side pipeline uses the L being connected in series in mode1Connected mode: the entrance of secondary side pipeline and circulation
Pump entrance connects, and water circulating pump outlet is connected with water-water heat exchanger refrigerant inlet, water-water heat exchanger refrigerant exit and condenser
Refrigerant inlet connects, and condenser refrigerant exit is connected with the outlet of secondary side pipeline.
8-2 application process:
The backwater of secondary side pipeline uses the L in series system1Mode, workflow is: the backwater of secondary side pipeline is by recirculated water
Enter water-water heat exchanger after pump pressurization, carry out countercurrent flow with the recirculated water of primary side pipeline, after heat temperature raising, enter condenser quilt
The further heat temperature raising of high temperature refrigerant, finally as the water supply of secondary side pipeline.
Other are the most same as in Example 7.
Embodiment 9
9-1 system composition and pipeline connecting mode:
As it is shown in figure 9, secondary side pipeline uses the L being connected in series in mode2Connected mode: the entrance of secondary side pipeline and circulation
Pump entrance connects, and water circulating pump outlet is connected with condenser refrigerant inlet, and condenser refrigerant exit enters with water-water heat exchanger coolant
Mouth connects, and water-water heat exchanger refrigerant exit is connected with the outlet of secondary side pipeline.
9-2 application process:
The backwater of secondary side pipeline uses the L in series system2Mode, workflow is: the backwater of secondary side pipeline is by recirculated water
After pump pressurization, entrance condenser is by high temperature refrigerant heat temperature raising, subsequently into water-water heat exchanger, enters with the recirculated water of primary side pipeline
Row countercurrent flow, further heat temperature raising, finally as the water supply of secondary side pipeline.
Other are the most same as in Example 7.
Embodiment 10
10-1 system composition and pipeline connecting mode:
As shown in Figure 10, described system composition also includes the second supercharger, thus becomes double flash evaporation two-stage machinery potentiation supercharging
Jetting type heat exchange unit；The fluid-mixing export pipeline of the first ejector and the entrance of the second supercharger connect, the second supercharger
Outlet is connected with the working medium entrance of condenser, and a pipeline in parallel in the import and export of the second supercharger, and pipeline is installed the 3rd valve
Door.
10-2 application process:
High-pressure gaseous working medium injection that driving fluid is produced by generator in the first ejector after mixing, is introduced into the second supercharging
Machine, by supercharging again, enters back into condenser.
Other are the most same as in Example 7.
Embodiment 11
11-1 system composition and pipeline connecting mode:
As shown in figure 11, described system composition also includes the second supercharger, thus becomes double flash evaporation two-stage machinery potentiation supercharging
Jetting type heat exchange unit；The fluid-mixing export pipeline of the first ejector and the entrance of the second supercharger connect, the second supercharger
Outlet is connected with the working medium entrance of condenser, and a pipeline in parallel in the import and export of the second supercharger, and pipeline is installed the 3rd valve
Door.
11-2 application process:
High-pressure gaseous working medium injection that driving fluid is produced by generator in the first ejector after mixing, is introduced into the second supercharging
Machine, by supercharging again, enters back into condenser.
Other are the most the same as in Example 8.
Embodiment 12
12-1 system composition and pipeline connecting mode:
As shown in figure 12, described system composition also includes the second supercharger, thus becomes double flash evaporation two-stage machinery potentiation supercharging
Jetting type heat exchange unit；The fluid-mixing export pipeline of the first ejector and the entrance of the second supercharger connect, the second supercharger
Outlet is connected with the working medium entrance of condenser, and a pipeline in parallel in the import and export of the second supercharger, and pipeline is installed the 3rd valve
Door.
12-2 application process:
High-pressure gaseous working medium injection that driving fluid is produced by generator in the first ejector after mixing, is introduced into the second supercharging
Machine, by supercharging again, enters back into condenser.
Other are the most the same as in Example 9.
Claims (10)
1. a double flash evaporation Synergistic type jetting type heat exchange unit, it is characterised in that steamed by water-water heat exchanger (WHE), two-stage
Send out Synergistic type jet type heat pump, water circulating pump (PW), water system pipeline and valve constitute；
Described double flash evaporation Synergistic type jet type heat pump includes generator (G), high pressure evaporator (E1), low pressure evaporator (E2)、
Condenser (C), the first ejector (EJ1), first throttle device (VR1), the second throttling arrangement (VR2), working medium circulating pump
(PR) and connecting line；
Wherein, working medium circulating pump (PR) outlet be connected with the working medium entrance of generator (G), the sender property outlet of generator (G)
Pipeline and the first ejector (EJ1) Working-fluid intaking connect, the first ejector (EJ1) fluid-mixing export pipeline with
The working medium entrance of condenser (C) connects, and the sender property outlet pipeline of condenser (C) is divided into A, B two-way, A to follow with working medium on road
Ring pump (PR) entrance connection, thus form a closed circuit；B road is divided into again B1, B2 two-way, B1 road and first throttle
Device (VR1) entrance, high pressure evaporator (E1) working medium entrance be sequentially connected with；B2 road and the second throttling arrangement (VR2) enter
Mouth, low pressure evaporator (E2) working medium entrance be sequentially connected with；
High pressure evaporator (E1) sender property outlet and the first ejector (EJ1) driving fluid entrance be connected, low pressure evaporator (E2)
Sender property outlet and the first ejector (EJ1) driving fluid entrance be connected；
Described water system pipeline includes primary side pipeline and secondary side pipeline；The entrance of primary side pipeline enters with generator (G) heating agent
Mouth connects, and the outlet of generator (G) heating agent is connected with water-water heat exchanger (WHE) heating agent entrance, water-water heat exchanger (WHE)
Heating agent outlet and high pressure evaporator (E1) connection of heating agent entrance, high pressure evaporator (E1) heating agent outlet with low pressure evaporator (E2)
Heating agent entrance connects, low pressure evaporator (E2) heating agent outlet be connected with the outlet of primary side pipeline；Water circulating pump (PW), water-
Water-to-water heat exchanger (WHE), condenser (C) form secondary side pipeline, and described secondary side pipeline is parallel or the company of series connection
Connect mode.
A kind of double flash evaporation Synergistic type jetting type heat exchange unit the most according to claim 1, it is characterised in that described two-stage
Evaporation Synergistic type jet type heat pump also includes the first supercharger (Com1)；Low pressure evaporator (E2) sender property outlet and first increase
Press (Com1) entrance connects, the first supercharger (Com1) outlet and high pressure evaporator (E1) sender property outlet converge after,
Again with the first ejector (EJ1) driving fluid entrance is connected.
A kind of double flash evaporation Synergistic type jetting type heat exchange unit the most according to claim 1, it is characterised in that described two-stage
Evaporation Synergistic type jet type heat pump also includes the second ejector (EJ2)；High pressure evaporator (E1) sender property outlet and low-pressure fuel injection
Device (EJ2) Working-fluid intaking connection, low pressure evaporator (E2) sender property outlet and low pressure ejector (EJ2) driving fluid enters
Mouth connects, low pressure ejector (EJ2) export and high-pressure injector (EJ1) connection of driving fluid entrance.
4. according to a kind of double flash evaporation Synergistic type jetting type heat exchange unit described in Claims 2 or 3, it is characterised in that described
Double flash evaporation Synergistic type jet type heat pump also includes the second supercharger (Com2)；First ejector (EJ1) fluid-mixing outlet
The entrance of pipeline and the second supercharger (Com2) connects, the outlet of the second supercharger (Com2) and the working medium of condenser (C)
Entrance connects, and a pipeline in parallel in the import and export of the second supercharger (Com2), and pipeline is installed the 3rd valve (V3).
A kind of double flash evaporation Synergistic type jetting type heat exchange unit the most according to claim 1, it is characterised in that described parallel connection
Connected mode is: the entrance of secondary side pipeline and water circulating pump (PW) entrance connection, water circulating pump (PW) export pipeline divides two
Road, road the first valve (V1) be connected with water-water heat exchanger (WHE) refrigerant inlet, another road the second valve (V2)
It is connected with condenser (C) refrigerant inlet, the refrigerant exit of water-water heat exchanger (WHE) and the refrigerant exit of condenser (C)
After connection, then it is connected with the outlet of secondary side pipeline；
The described mode that is connected in series is divided into again L1、L2Two ways；L1Connected mode is: the entrance of secondary side pipeline and recirculated water
Pump (PW) entrance connection, water circulating pump (PW) outlet be connected with water-water heat exchanger (WHE) refrigerant inlet, water-water heat exchange
Device (WHE) refrigerant exit is connected with condenser (C) refrigerant inlet, and condenser (C) refrigerant exit goes out with secondary side pipeline
Mouth is connected；L2Connected mode is: the entrance of secondary side pipeline and water circulating pump (PW) entrance connection, water circulating pump (PW)
Outlet is connected with condenser (C) refrigerant inlet, condenser (C) refrigerant exit and water-water heat exchanger (WHE) refrigerant inlet
Connecting, water-water heat exchanger (WHE) refrigerant exit is connected with the outlet of secondary side pipeline.
6. a kind of double flash evaporation Synergistic type jetting type heat exchange unit described in claim 2 carries out the application of heat exchange, it is characterised in that
Specifically comprise the following steps that
The liquid refrigerant carrying out condenser (C) is divided into two-way, and a road enters high pressure evaporator (E through B1 road pipeline1) be evaporated to
Gaseous working medium, another road enters low pressure evaporator (E through B2 road pipeline2) it is evaporated to gaseous working medium, through the first supercharger (Com1)
After supercharging, and from high pressure evaporator (E1) gaseous working medium mixing, and enter the first ejector (EJ as driving fluid1)
In, by after the high-pressure gaseous working medium institute injection, mixing of high tension generator (G), enter condenser (C).
7. a kind of double flash evaporation Synergistic type jetting type heat exchange unit described in claim 3 carries out the application of heat exchange, it is characterised in that
Specifically comprise the following steps that
The liquid refrigerant carrying out condenser (C) is divided into two-way, and a road enters high pressure evaporator (E through B1 road pipeline1) be evaporated to
Gaseous working medium, as the second ejector (EJ2) working fluid；Another road enters low pressure evaporator (E through B2 road pipeline2)
It is evaporated to gaseous working medium, enters the second ejector (EJ as driving fluid2), by from high pressure evaporator (E1) gaseous state work
Matter injection, mixing；Second ejector (EJ2) the mixed working fluid steam that exports enters the first ejector (EJ as driving fluid1)
In, by after the high-pressure gaseous working medium institute injection, mixing of high tension generator (G), enter condenser (C).
8. according to the application described in claim 6 or 7, it is characterised in that driving fluid is at the first ejector (EJ1Sent out in)
After high-pressure gaseous working medium injection that raw device (G) produces mixing, it is introduced into the second supercharger (Com2) by supercharging again, then
Enter condenser (C).
9. according to the application described in claim 6 or 7, it is characterised in that during unit operation, the work of primary side pipeline recirculated water
As flow process it is: first the water supply of primary side pipeline enter generator (G) heat release cooling as driving heat source, enters back into water-water and changes
Hot device (WHE) continues heat release cooling, then sequentially enters high pressure evaporator (E as low-temperature heat source1) and low pressure evaporator (E2)
Heat release cooling further, finally as the backwater of primary side pipeline.
10. according to the application described in claim 6 or 7, it is characterised in that during unit operation, secondary side pipeline recirculated water
Workflow is as follows,
When the backwater of secondary side pipeline uses parallel way: the backwater of secondary side pipeline is by water circulating pump (PW) be divided into after pressurization
Two-way, road the first valve (V1) enter water-water heat exchanger (WHE) heated up by the circulating water heating of primary side pipeline,
Another road the second valve (V2) enter condenser (C) by high temperature refrigerant heat temperature raising；Circulating in of two-way secondary side pipeline
Converge at point 1, and as the water supply of secondary side pipeline；
When the backwater of secondary side pipeline uses series system, it is divided into again L1、L2Two ways；When using L1During mode: secondary
The backwater of lateral line is by water circulating pump (PW) enter water-water heat exchanger (WHE) after pressurization, enter with the recirculated water of primary side pipeline
Row countercurrent flow, after heat temperature raising, entrance condenser (C) is by the further heat temperature raising of high temperature refrigerant, finally as secondary side pipe
The water supply on road；
When using L2During mode: the backwater of secondary side pipeline is by water circulating pump (PW) enter condenser (C) after pressurization by high temperature
Working medium heat temperature raising, subsequently into water-water heat exchanger (WHE), carries out countercurrent flow with the recirculated water of primary side pipeline, enters one
Step heat temperature raising, finally as the water supply of secondary side pipeline.
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| CN201610149916.2A CN105737236B (en) | 2016-03-16 | 2016-03-16 | A kind of double flash evaporation Synergistic type jetting type heat exchange unit and application |
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| JP2004286292A (en) * | 2003-03-20 | 2004-10-14 | Denso Corp | Hot water supply device |
| CN202182509U (en) * | 2011-08-13 | 2012-04-04 | 双良节能系统股份有限公司 | Combined heat and power heating system with absorbing type refrigeration and heat exchange |
| CN102538051A (en) * | 2012-02-21 | 2012-07-04 | 北京建筑工程学院 | Two-level evaporation and ejection type heat exchange unit |
| CN102589034A (en) * | 2012-03-01 | 2012-07-18 | 清华大学 | Two-stage generation and two-stage condensation jet type heat exchanger unit |
| KR20130118795A (en) * | 2012-04-20 | 2013-10-30 | 린나이코리아 주식회사 | Storage type hot water supply system |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004286292A (en) * | 2003-03-20 | 2004-10-14 | Denso Corp | Hot water supply device |
| CN202182509U (en) * | 2011-08-13 | 2012-04-04 | 双良节能系统股份有限公司 | Combined heat and power heating system with absorbing type refrigeration and heat exchange |
| CN102538051A (en) * | 2012-02-21 | 2012-07-04 | 北京建筑工程学院 | Two-level evaporation and ejection type heat exchange unit |
| CN102589034A (en) * | 2012-03-01 | 2012-07-18 | 清华大学 | Two-stage generation and two-stage condensation jet type heat exchanger unit |
| KR20130118795A (en) * | 2012-04-20 | 2013-10-30 | 린나이코리아 주식회사 | Storage type hot water supply system |
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Effective date of registration: 20210518 Address after: 100083 10th floor, block C, Yousheng building, 28 Chengfu Road, Haidian District, Beijing Patentee after: BEIJING HUA YUAN TAI MENG ENERGY SAVING EQUIPMENT Co.,Ltd. Address before: 100044 No. 1, Xicheng District exhibition museum, Beijing Patentee before: Beijing University of Civil Engineering and Architecture |