CN107313819A - A kind of integrated heat pump and the thermal energy of generating function utilize system - Google Patents
A kind of integrated heat pump and the thermal energy of generating function utilize system Download PDFInfo
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- CN107313819A CN107313819A CN201710355261.9A CN201710355261A CN107313819A CN 107313819 A CN107313819 A CN 107313819A CN 201710355261 A CN201710355261 A CN 201710355261A CN 107313819 A CN107313819 A CN 107313819A
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- heat pump
- working medium
- expansion
- compression
- organic rankine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
A kind of integrated heat pump and the thermal energy of generating function utilize system, including condenser, evaporator, electric expansion valve and working medium pump, it is additionally provided with compression-expansion all-in-one, with compression-expansion all-in-one, condenser, evaporator, heat pump cycle pipeline by constituting heat pump mode and constitute the circulation line that the organic Rankine working medium circulation pipeline of organic Rankine bottoming cycle power generation mode is constituted that electric expansion valve is connected with working medium pump, control valve is provided with circulation line, in the heat pump mode, compression-expansion all-in-one, condenser, electric expansion valve and evaporator pass sequentially through heat pump cycle pipeline and are connected to form heat pump cycle loop, the compression-expansion all-in-one under organic Rankine bottoming cycle power generation mode, condenser, working medium pump and evaporator pass sequentially through organic Rankine working medium circulation pipeline and are connected to form organic Rankine bottoming cycle generating mould circulation loop, the heat exchange pipe of evaporator is circulated using low-temperature heat source.The present invention can carry out the selection generated electricity with heat pump functional, improve the utilization ratio of heat energy.
Description
Technical field
The present invention relates to a kind of heat-energy utilizing device.The thermal energy of more particularly to a kind of integrated heat pump and generating function
Utilize system.
Background technology
Heat pump techniques and low-temperature cogeneration technology are as two independent heat energy recycle technologies, in environmental problem day
Under beneficial severe and energy-saving and emission-reduction policy driving, the considerable environment and economic benefit gradually popularized and produced in market.This two
Requirement of the technology to Low Temperature Thermal is different：Low-temperature cogeneration is 60-150 DEG C to heat source temperature requirement；Heat pump is according to different energy
Matter lifting is interval, and the warm area of its available low-temperature heat source is 10-80 DEG C.Under the conditions of current technology, source pump and remaining
Thermal electric generator group is two sets of independent and only equipment of simple function, therefore, when low-temperature heat source does not reach the condition of equipment operation
When, system can not be run, and caused the recovery utilization rate of heat energy and reduced.Meanwhile, the various processes in practical application are right
The utilization of thermal source is probably discontinuous, and the technology of simple function can not meet the diversified demand of user.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, can realize compression heat pump and organic Rankine bottoming cycle
(ORC) the two kinds of operational modes and the integrated heat pump of function of generating electricity and the thermal energy of generating function utilize system.
The technical solution adopted in the present invention is：A kind of integrated heat pump and the thermal energy of generating function utilize system, bag
Condenser, evaporator, electric expansion valve and the working medium pump included, is additionally provided with compression-expansion all-in-one, and with described compression
The heat pump cycle pipeline by constituting heat pump mode that expansion all-in-one, condenser, evaporator, electric expansion valve are connected with working medium pump
With the circulation line for the organic Rankine working medium circulation pipeline composition for constituting organic Rankine bottoming cycle power generation mode, described circulation line
In be provided with control valve for selecting heat pump mode or organic Rankine bottoming cycle power generation mode, wherein, in the heat pump mode, institute
Compression-expansion all-in-one, condenser, electric expansion valve and the evaporator stated pass sequentially through heat pump cycle pipeline and are connected to form heat
Pump circulation loop, described compression-expansion all-in-one, condenser, working medium pump and evaporator under organic Rankine bottoming cycle power generation mode
Pass sequentially through organic Rankine working medium circulation pipeline and be connected to form organic Rankine bottoming cycle generating mould circulation loop, described evaporator
Heat exchange pipe using low-temperature heat source circulate.
Described heat pump cycle loop be by：Compression-expansion all-in-one, it is connected to compression-expansion all-in-one high pressure port
First common pall, the first heat pump circuits, the 3rd common pall, the working medium tube in condenser, the 4th common pall, the second heat pump
Pipeline, the electric expansion valve being arranged in the second heat pump circuits, the 5th common pall, the working medium tube in evaporator, the 6th share
Pipeline, the 3rd heat pump circuits and it is connected to the second common pall of compression-expansion all-in-one low-pressure port and is sequentially connected in series
Constitute, be provided with the first described heat pump circuits in the 3rd control valve, the second described heat pump circuits and be provided with the 5th control
The second control valve is provided with valve processed, the 3rd described heat pump circuits, the first heat exchange pipe of connection condenser is used
High temperature heat source is circulated, and is provided with the tenth control on the first heat exchange pipe of the high temperature heat source entrance side of connection condenser
Valve, the 7th control valve is provided with the first heat exchange pipe of the high temperature heat source outlet side of connection condenser.
Described organic Rankine bottoming cycle generating mould circulation loop be by：Compression-expansion all-in-one, it is connected to compression-expansion one
Second common pall of body machine low-pressure port, the first organic Rankine working medium circulation pipeline, the 3rd common pall, the work in condenser
Matter pipe, the 4th common pall, the second organic Rankine working medium circulation pipeline, the working medium being arranged on the second organic Rankine working medium pipeline
Pump, the 5th common pall, the working medium tube in evaporator, the 6th common pall, the 3rd organic Rankine working medium circulation pipeline, Yi Jilian
The first common pall for being connected on compression-expansion all-in-one high pressure port is sequentially connected in series composition, the first described organic Rankine work
It is provided with matter circulation line on the 4th control valve, the second described organic Rankine working medium circulation pipeline and is provided with the 6th control
The first control valve is provided with valve, the 3rd described organic Rankine working medium circulation pipeline, the second heat of connection condenser is handed over
Change path and use cooling water circulation, and be provided with the second heat exchange paths of the cooling water inlet side of connection condenser the
Nine control valves, the 8th control valve is provided with the second heat exchange paths of the coolant outlet side of connection condenser.
Described compression-expansion all-in-one is by compressing expansion machine and the double work(for being connected to the compressing expansion machine output end
Energy magneto is constituted, wherein, compressing expansion machine is scroll compressor expanding machine or double-screw type compressing expansion machine or single screw rod
Formula compressing expansion machine, the high-pressure side and low-pressure end of the compressing expansion machine constitute the high-pressure side and low pressure of compression-expansion all-in-one
End, in the heat pump mode, described difunctional magneto is run with electric motor mode, and driving compressing expansion machine is with compressed mode
Operation, under organic Rankine bottoming cycle power generation mode, described compressing expansion machine is run with expansion mechanism, drives difunctional Permanent Magnet and Electric
Machine generates electricity.
Described compression-expansion all-in-one is made up of permanent magnetism scroll compressor, wherein, the permanent magnetism scroll compressor
The fuel system of machine uses centrifugal oil supply mechanism, and the permanent magnetism scroll compressor high-pressure side is bidirectional circulating passage,
The high-pressure side and low-pressure end of the permanent magnetism scroll compressor constitute the high-pressure side and low-pressure end of compression-expansion all-in-one.
Described condenser and evaporator use plate type heat exchanger or shell-and-tube heat exchanger or double pipe heat exchanger.
Described working medium pump uses centrifugal multistage pump multiple centrifugal pump or screw pump or vane pump.
System circulation working medium is low boiling organic working medium.
A kind of integrated heat pump of the present invention and the thermal energy of generating function utilize system, can be become according to the temperature of thermal source
Change the demand with user, carry out the selection generated electricity with heat pump functional, improve the utilization ratio of heat energy, meet user's variation need
Ask.The present invention can realize compression heat pump and organic Rankine bottoming cycle (ORC) two kinds of operational modes of generating and function.Difunctional system
Switching between two kinds of operational modes of system can be realized by opening and closing the valve in system circulation pipeline.The present invention is expanded
Simple function unit can utilize thermal source temperature range, overcome in simple function system due to heat source temperature change beyond can profit
The defects such as the system-down caused with scope, it is to avoid the intermittent recovery of the energy, this system be applied to thermal source working conditions change compared with
Big occasion, can be achieved to recycle all the period of time of heat energy, big warm area.Production capacity mode is more flexible, meets user's variation
Demand.User can use energy demand, the operational mode of the difunctional unit of reasonable selection according to oneself.To heat source fluctuations and use energy
The adaptability of load variations is stronger.System capital equipment is a set of multi-purpose, reduces equipment cost.
Brief description of the drawings
Fig. 1 is to realize the T-S principles of heat pump and generating function by completing two kinds of thermodynamic cycles in same system
Figure；
Fig. 2 is that the thermal energy of a kind of integrated heat pump of the invention and generating function utilizes the composition schematic diagram of system；
Fig. 3 is compression-expansion all-in-one and system pipeline connection diagram in the present invention；
Fig. 4 is the structural representation of compression-expansion all-in-one first embodiment in the present invention；
Fig. 5 a are structure of the compression-expansion all-in-one first embodiment under organic Rankine bottoming cycle power generation mode in the present invention
Schematic diagram；
Fig. 5 b are the structural representation of compression-expansion all-in-one first embodiment in the heat pump mode in the present invention.
In figure
1：Compression-expansion all-in-one 11：Compressing expansion machine
12：Difunctional magneto 2：Condenser
3：Electric expansion valve 4：Working medium pump
5：Evaporator G1：First organic Rankine working medium circulation pipeline
G2：Second organic Rankine working medium circulation pipeline G3：3rd organic Rankine working medium circulation pipeline
R1：First heat pump circuits R2：Second heat pump circuits
R3：3rd heat pump circuits Y1：First common pall
Y2：Second common pall Y3：3rd common pall
Y4：4th common pall Y5：5th common pall
Y6：6th common pall
Embodiment
System is utilized to a kind of integrated heat pump of the present invention and the thermal energy of generating function with reference to embodiment and accompanying drawing
System is described in detail.
The thermodynamic principles of compression heat pump and power generation integrated system are inverse Carnot cycle (Reverse Carnot
Cycle) and Rankine cycle (Rankine cycle), heat pump is realized by completing two kinds of thermodynamic cycles in same system
And generating function.The T-S of system schemes a → b → c as shown in figure 1, in figureS→ d → a is inverse Carnot cycle, 1 → 2s → 3 → 4
→ 5 → 1 is Rankine cycle.In inverse Carnot cycle, the insulated compression of working medium, along insentrope by state b to state cS(due to throttling
The presence of the Irreversible factors such as effect, frictional resistance, heat transfer, actual compression process is entropy increasing process (b → c)), then along etc.
Warm line cS- d liquefied after heat release, then passes through adiabatic expansion, by state d to state a, by decalescence, state by a to
State b.System completes one cycle and heat is transferred into high temperature heat source from low-temperature heat source, realizes heat pump functional.
In Rankine cycle, liquid refrigerant enters evaporator by working medium pump boosting (3 → 4), and working medium is in evaporator
Isobaric heat absorption process includes warm (4 → 5), isothermal evaporation process and superheating process (5 → 1), subsequent high pressure gaseous
Working medium enters expanding machine adiabatic expansion acting (1 → 2s) (actual expansion process is entropy increasing process (1 → 2)), and weary gas enters cold
Condenser completes isobaric condensation process (2s → 3).So far, system completes one cycle, and is mechanical work by the converting heat of thermal source
Output, mechanical work is converted into electric energy by generator and is connected to the grid.
As shown in Fig. 2 a kind of integrated heat pump of the present invention and the thermal energy of generating function utilize system, including condensation
Device 2, evaporator 5, electric expansion valve 3 and working medium pump 4, are additionally provided with compression-expansion all-in-one 1, and with described compression-expansion
The heat pump cycle pipe by constituting heat pump mode that all-in-one 1, condenser 2, evaporator 5, electric expansion valve 3 are connected with working medium pump 4
The circulation line of the organic Rankine working medium circulation pipeline composition of road and composition organic Rankine bottoming cycle power generation mode, wherein described is cold
Condenser 2 and evaporator 5 are the common heat exchangers under heat pump mode and organic Rankine bottoming cycle power generation mode the two operational modes, and
Described compression-expansion all-in-one 1 realizes compression function in the heat pump mode, is realized under organic Rankine bottoming cycle power generation mode swollen
Swollen function.The control valve for selecting heat pump mode or organic Rankine bottoming cycle power generation mode is provided with described circulation line
Door, wherein, in the heat pump mode, described compression-expansion all-in-one 1, condenser 2, electric expansion valve 3 and evaporator 5 leads to successively
Cross heat pump cycle pipeline and be connected to form heat pump cycle loop, the described compression under organic Rankine bottoming cycle (ORC) power generation mode
Expansion all-in-one 1, condenser 2, working medium pump 4 and evaporator 5 pass sequentially through organic Rankine working medium circulation pipeline and have been connected to form
Machine Rankine cycle generating mould circulation loop, the heat exchange pipe of described evaporator 5 is circulated using low-temperature heat source.
Described compression-expansion all-in-one 1 is the core component in dual function system.The mechanical shape of compression-expansion all-in-one
Formula can be scroll machine, screw machine, speed mode turbomachinery, it is possible to achieve efficient compression and expansion process.In compression process
In, working medium enters compression-expansion all-in-one in low pressure port, and the working medium after compression flows out in high-pressure mouth.In expansion process, working medium
Enter in high-pressure mouth and carry out expansion process, the low-temp low-pressure working medium after expansion terminates flows out from low pressure port.Compression-expansion all-in-one
It is connected as shown in Figure 2, Figure 4 shows with circulation line.
As shown in figure 4, described compression-expansion all-in-one 1 is by compressing expansion machine 11 and is connected to the compressing expansion machine
The difunctional magneto 12 of 11 output ends is constituted, wherein, described compressing expansion machine 11 is scroll compressor expanding machine or double
Screw-compression expanding machine or single-screw compressing expansion machine, the high-pressure side and low-pressure end of the compressing expansion machine 11 constitute compression
The high-pressure side and low-pressure end of all-in-one 1 are expanded, in the heat pump mode, described difunctional magneto 12 is transported with electric motor mode
OK, driving compressing expansion machine 11 is run with compressed mode, under organic Rankine bottoming cycle power generation mode, described compressing expansion machine 11
Run with expansion mechanism, drive difunctional magneto 12 to generate electricity, difunctional magneto 12 is used as generator, will be expanded
The mechanical energy of the output of process is converted into electric energy.The difunctional drive efficiency of magneto 12 and generating efficiency can reach 95% with
On.Difunctional magneto 12 uses inversion grid connection pattern, by electric energy with 380V, 50HZ form input consumer networks.
As shown in Fig. 5 a, Fig. 5 b, described compression-expansion all-in-one 1 is made up of existing permanent magnetism scroll compressor,
But improved on the basis of existing permanent magnetism scroll compressor, it is provided simultaneously with compression and expansion function.Tool
Structural reform is entered, and the fuel system of the existing permanent magnetism scroll compressor is used into centrifugal oil supply mechanism, and existing
The permanent magnetism scroll compressor high-pressure side be the bidirectional circulating passage of check-valves of dismantling, the permanent magnetism scroll compressor
High-pressure side and low-pressure end constitute the high-pressure side and low-pressure end of compression-expansion all-in-one 1.
A kind of integrated heat pump of the present invention and the thermal energy of generating function are utilized in system, described condenser 2, evaporation
Device 5 can use plate type heat exchanger, shell-and-tube heat exchanger and double pipe heat exchanger.The design of heat exchanger need to take into account heat pump mode and
The requirement of organic Rankine bottoming cycle power generation mode.Evaporator should improve the utilization temperature difference of waste heat and reduce the overheat of working medium when designing
Degree, improves heat source utilization efficiency.Described working medium pump 4 uses centrifugal multistage pump multiple centrifugal pump or screw pump or vane pump etc..
Present system cycle fluid is that this medium needs to meet heat pump as working media using low boiling organic working medium
The thermodynamic requirement of pattern and organic Rankine bottoming cycle power generation mode.Heat pump mode and organic Rankine bottoming cycle generating mould for system
Formula, can select different organic working mediums according to the warm area of thermal source, and it screens generating efficiency and heat pump that should be to improve system
Energy Efficiency Ratio is target, to reach system optimal running effect.
As shown in Figure 2 and Figure 3, described heat pump cycle loop be by：Compression-expansion all-in-one 1, it is connected to compression-expansion one
First common pall Y1 of the high pressure port of body machine 1, the first heat pump circuits R1, the 3rd common pall Y3, the working medium in condenser 2
Pipe, the 4th common pall Y4, the second heat pump circuits R2, the electric expansion valve the 3, the 5th being arranged on the second heat pump circuits R2 are shared
Pipeline Y5, the working medium tube in evaporator 5, the 6th common pall Y6, the 3rd heat pump circuits R3 and be connected to compression-expansion one
Second common pall Y2 of the low-pressure port of machine 1 is sequentially connected in series on composition, the first described heat pump circuits R1 and is provided with the 3rd
It is provided with control valve V3, the second described heat pump circuits R2 on the 5th control valve V5, the 3rd described heat pump circuits R3
The second control valve V2 is provided with, the first heat exchange pipe R4 for connecting condenser 2 is circulated using high temperature heat source, and in connection
The tenth control valve V10 is provided with first heat exchange pipe R4 of the high temperature heat source entrance side of condenser 2, in connection condenser
The 7th control valve V7 is provided with first heat exchange pipe R4 of 2 high temperature heat source outlet side.
As shown in Figure 2 and Figure 3, described organic Rankine bottoming cycle generating mould circulation loop be by：Compression-expansion all-in-one 1, company
It is connected on the second common pall Y2 of the low-pressure port of compression-expansion all-in-one 1, the first organic Rankine working medium circulation pipeline G1, the 3rd is total to
With the working medium tube in pipeline Y3, condenser 2, the 4th common pall Y4, the second organic Rankine working medium circulation pipeline G2, it is arranged on
Working medium pump 4, the 5th common pall Y5, the working medium tube in evaporator 5, the 6th common pall on two organic Rankine working medium pipeline G2
Y6, the 3rd organic Rankine working medium circulation pipeline G3 and the first common pall for being connected to the high pressure port of compression-expansion all-in-one 1
Y1 is sequentially connected in series on composition, the first described organic Rankine working medium circulation pipeline G1 and is provided with the 4th control valve V4, institute
The 6th control valve V6 is provided with the second organic Rankine working medium circulation pipeline G2 stated, the 3rd described organic Rankine working medium is followed
The first control valve V1 is provided with the G3 of endless tube road, the second heat exchange paths R5 of connection condenser 2 uses cooling water circulation, and
And the 9th control valve V9 is provided with the second heat exchange paths R5 of the cooling water inlet side of connection condenser 2, in connection
The 8th control valve V8 is provided with second heat exchange paths R5 of the coolant outlet side of condenser 2.
Below by taking Solar Energy Heat Utilization System as an example, illustrate a kind of integrated heat pump of the present invention and the Novel hot of generating function
System can be utilized.
Due to the fluctuation of annual solar energy irradiation intensity, the production coolant-temperature gage of solar thermal collector has larger fluctuation.It is false
If the average heat production temperature of winter condition is 45 DEG C, the average heat production temperature of summer condition is 75 DEG C, and hot water flow is 100t/h, design
Heat transfer temperature difference is 20 DEG C.Using the difunctional unit of heat pump generating, winter is used as low-temperature heat source to carry out heat pump using solar water
Heating, 60 DEG C of high-temperature-hot-waters of production supply user heating.Summer is then generated electricity without heating using solar water.
1st, heat pump mode：
Low-temperature heat source heating load is：Qev==20*4.18*100/3.6=2322kW
According to the temperature rise of heat pump, it is assumed that COP=3.5, then power consumption is：P==2322/2.5=928Kw
Heating load is：Qcd=P*COP=3250kW
Based on Heating Season operation 120 days, compared with using coal-burning stove for heating mode, Spring Festival holidays province-norm coal：M=93t/
2nd, organic Rankine bottoming cycle power generation mode：
Low-temperature heat source heating load is：Qev==20*4.18*100/3.6=2322kW
The average thermoelectrical efficiency of summer condition is 6%, then the electricity exported is：P=Qev* η=2322*6%=140kW
Based on operation 150 days, annual electricity generating capacity is：W2=P*T=140*150*24=5.04 × 105kW·h
Compared with independent supporting source pump, a kind of integrated heat pump of the invention and the thermal energy of generating function are utilized
System, not only winter heating meets user's request, and can produce 5.04 × 10 every year5KWh electric energy.With simultaneously it is supporting
Source pump compares with low-temperature electricity-generating unit, and a kind of integrated heat pump of the invention and the thermal energy of generating function utilize system
Project investment can be greatly reduced, so as to improve economic well-being of workers and staff.
Claims (8)
1. a kind of integrated heat pump and the thermal energy of generating function utilize system, including condenser (2), evaporator (5), electronics
Expansion valve (3) and working medium pump (4), it is characterised in that be additionally provided with compression-expansion all-in-one (1), and it is swollen with described compression
Swollen all-in-one (1), condenser (2), evaporator (5), electric expansion valve (3) and working medium pump (4) be connected by constituting heat pump mode
Heat pump cycle pipeline and constitute organic Rankine bottoming cycle power generation mode organic Rankine working medium circulation pipeline composition circulation line,
The control valve for selecting heat pump mode or organic Rankine bottoming cycle power generation mode is provided with described circulation line, wherein,
In the heat pump mode, described compression-expansion all-in-one (1), condenser (2), electric expansion valve (3) and evaporator (5) lead to successively
Cross heat pump cycle pipeline and be connected to form heat pump cycle loop, the described compression-expansion one under organic Rankine bottoming cycle power generation mode
Body machine (1), condenser (2), working medium pump (4) and evaporator (5) pass sequentially through organic Rankine working medium circulation pipeline and are connected to form
Organic Rankine bottoming cycle generating mould circulation loop, the heat exchange pipe of described evaporator (5) is circulated using low-temperature heat source.
2. a kind of integrated heat pump according to claim 1 and the thermal energy of generating function utilize system, it is characterised in that
Described heat pump cycle loop be by：Compression-expansion all-in-one (1), be connected to compression-expansion all-in-one (1) high pressure port
One common pall (Y1), the first heat pump circuits (R1), the 3rd common pall (Y3), the working medium tube in condenser (2), the 4th share
Pipeline (Y4), the second heat pump circuits (R2), the electric expansion valve (3) being arranged in the second heat pump circuits (R2), the 5th share pipe
Road (Y5), the working medium tube in evaporator (5), the 6th common pall (Y6), the 3rd heat pump circuits (R3) and be connected to compression it is swollen
The second common pall (Y2) of swollen all-in-one (1) low-pressure port is sequentially connected in series composition, described the first heat pump circuits (R1)
On be provided with the 3rd control valve (V3), described the second heat pump circuits (R2) and be provided with the 5th control valve (V5), it is described
The 3rd heat pump circuits (R3) on be provided with the second control valve (V2), the first heat exchange pipe (R4) of connection condenser (2)
Circulated, and set on the first heat exchange pipe (R4) of the high temperature heat source entrance side of connection condenser (2) using high temperature heat source
The tenth control valve (V10) is equipped with, is set on the first heat exchange pipe (R4) of the high temperature heat source outlet side of connection condenser (2)
It is equipped with the 7th control valve (V7).
3. a kind of integrated heat pump according to claim 1 and the thermal energy of generating function utilize system, it is characterised in that
Described organic Rankine bottoming cycle generating mould circulation loop be by：Compression-expansion all-in-one (1), it is connected to compression-expansion all-in-one
(1) the second common pall (Y2) of low-pressure port, the first organic Rankine working medium circulation pipeline (G1), the 3rd common pall (Y3),
Working medium tube, the 4th common pall (Y4), the second organic Rankine working medium circulation pipeline (G2) in condenser (2), it is arranged on second
Working medium pump (4), the 5th common pall (Y5) on organic Rankine working medium pipeline (G2), the working medium tube in evaporator (5), the 6th are total to
With pipeline (Y6), the 3rd organic Rankine working medium circulation pipeline (G3) and it is connected to compression-expansion all-in-one (1) high pressure port
First common pall (Y1), which is sequentially connected in series on composition, the first described organic Rankine working medium circulation pipeline (G1), is provided with
The 6th control valve (V6), institute are provided with four control valves (V4), the second described organic Rankine working medium circulation pipeline (G2)
The first control valve (V1), the second of connection condenser (2) are provided with the 3rd organic Rankine working medium circulation pipeline (G3) stated
Heat exchange paths (R5) use cooling water circulation, and the second heat exchange in the cooling water inlet side of connection condenser (2) is logical
The 9th control valve (V9) is provided with road (R5), the second heat exchange paths in the coolant outlet side of connection condenser (2)
(R5) the 8th control valve (V8) is provided with.
4. a kind of integrated heat pump according to claim 1 and the thermal energy of generating function utilize system, it is characterised in that
Described compression-expansion all-in-one (1) is by compressing expansion machine (11) and is connected to the double of the compressing expansion machine (11) output end
Function magneto (12) is constituted, wherein, compressing expansion machine (11) is scroll compressor expanding machine or double-screw type compression-expansion
Machine or single-screw compressing expansion machine, the high-pressure side and low-pressure end of the compressing expansion machine (11) constitute compression-expansion all-in-one
(1) high-pressure side and low-pressure end, in the heat pump mode, described difunctional magneto (12) are run with electric motor mode, are driven
Dynamic compressing expansion machine (11) is run with compressed mode, under organic Rankine bottoming cycle power generation mode, described compressing expansion machine (11)
Run with expansion mechanism, drive difunctional magneto (12) to generate electricity.
5. a kind of integrated heat pump according to claim 1 and the thermal energy of generating function utilize system, it is characterised in that
Described compression-expansion all-in-one (1) is made up of permanent magnetism scroll compressor, wherein, the confession of the permanent magnetism scroll compressor
Oily mode use centrifugal oil supply mechanism, and the permanent magnetism scroll compressor high-pressure side be bidirectional circulating passage, it is described forever
The high-pressure side and low-pressure end of vortex formula compressor constitute the high-pressure side and low-pressure end of compression-expansion all-in-one (1).
6. a kind of integrated heat pump according to claim 1 and the thermal energy of generating function utilize system, it is characterised in that
Described condenser (2) and evaporator (5) use plate type heat exchanger or shell-and-tube heat exchanger or double pipe heat exchanger.
7. a kind of integrated heat pump according to claim 1 and the thermal energy of generating function utilize system, it is characterised in that
Described working medium pump (4) uses centrifugal multistage pump multiple centrifugal pump or screw pump or vane pump.
8. a kind of integrated heat pump according to claim 1 and the thermal energy of generating function utilize system, it is characterised in that
System circulation working medium is low boiling organic working medium.
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Application publication date: 20171103 |