CN106123395B - Novel heating station system having both large-temperature-difference heat exchange and concentrated heat refrigeration functions - Google Patents
Novel heating station system having both large-temperature-difference heat exchange and concentrated heat refrigeration functions Download PDFInfo
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- CN106123395B CN106123395B CN201610569676.1A CN201610569676A CN106123395B CN 106123395 B CN106123395 B CN 106123395B CN 201610569676 A CN201610569676 A CN 201610569676A CN 106123395 B CN106123395 B CN 106123395B
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/02—Compression-sorption machines, plants, or systems
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Abstract
The invention discloses a novel heating station system having both large-temperature-difference heat exchange and concentrated heat refrigeration functions, and relates to the technical field of heating devices. The novel heating station system comprises an absorption heat pump, a compression heat pump, a cooling tower, a first heat exchanger and a heat exchanger; the absorption heat pump includes a generator, a first evaporator, an absorber and a first condenser; the compression heat pump includes a second evaporator and a second condenser; under the working conditions in winter, the large-temperature-difference heat exchange is realized through the absorption heat pump and the compression heat pump, the heating network water return temperature is lowered, and the heating network conveying capacity is improved; under the working conditions in summer, high-temperature heating network water supplied by a concentrated heating resource is used for driving the absorption heat pump to realize concentrated heat refrigeration; meanwhile, the compression heat pump is converted to a refrigeration working condition; the absorber and the first condenser are connected with the second condenser in series for heating; the cooling tower is matched for cooling; and the first evaporator and the second evaporator are serially connected for cooling to realize frozen water supply of a cold supply terminal, so that the utilization rate of heat pump/refrigerator equipment is increased.
Description
Technical field
The present invention relates to thermal device technical field, more particularly to one kind has big temperature difference heat exchange concurrently and concentrates refrigeration heat function
New heat station system.
Background technology
There is the bottleneck problem that heat capacity is not enough, concentrate heat supply network conveying capacity not enough in co-generation unit at present.For solution
Certainly the not enough problem of power plant's heat capacity, arranges absorption heat pump, recovered flue gas and condensing waste heat in power plant；To solve to concentrate heat
The not enough problem of net conveying capacity, arranges absorption heat exchange unit in heat supply network substation, and return water temperature is greatly lowered, and realizes big temperature
Difference heat exchange.
In summer, power plant's thermal power plant unit is not enough because of thermic load, is run with pure condensate way of steam；Current summer major part air-conditioning shape
Formula is freezed using electric driven compression formula, causes seasonal peak of power consumption, and annual each city summer peak load regulation network pressure is huge, this
Become supply of electric power principal contradiction focus in short supply.Using co-generation unit（Including coal-fired thermal power coproduction and fuel gas-steam connection
Close circulation etc.）Realize concentrating refrigeration heat then improve city summer air-conditioning power structure, cut down the surge pressure of network load.
But, summer refrigeration duty changes frequent in intensity and on the time, concentrates heat supply network flow to be also required to accordingly make frequently adjustment, this
Cause hydraulic misadjustment phenomenon serious, and affect to concentrate the economy of heat conveying.
The content of the invention
The technical problem to be solved is to provide and a kind of have the heat exchange of the big temperature difference concurrently and concentrate the new of refrigeration heat function
Type heat station system, cogeneration of heat and power central heating and central air conditioning refrigeration are organically combined.The new heat station system is in the winter time
Run in big temperature difference heat-exchanging state, significantly reduce once net return water temperature, and then greatly improve once net conveying capacity, while
Convenience is created to reclaim power plant's low temperature exhaust heat, the economy of cogeneration of heat and power central heating is thus significantly improved；The Novel hot
The high temperature heat supply network water-driven absorption heat pump that power station system was provided using central heating resource in summer, realizes concentrating refrigeration heat,
Compression heat pump also transitions into cooling condition simultaneously, improves the utilization rate of two class heat pump/refrigerating machine equipments.
The technical solution used in the present invention is：It is a kind of to have big temperature difference heat exchange concurrently and concentrate the new heating power of refrigeration heat function
Stand system, including absorption heat pump, compression heat pump, cooling tower, First Heat Exchanger and heat exchanger, the absorption heat pump bag
Generator, the first vaporizer, absorber and the first condenser are included, the compression heat pump includes the second vaporizer and the second condensation
Device, heat supply network feed pipe are connected with the generator water inlet pipe of absorption heat pump, and the generator outlet pipe of absorption heat pump connects respectively
First valve and the second valve, the first valve other end are connected with heat supply network return pipe, the second valve other end and heat exchanger
Water inlet pipe is connected, the outlet pipe connection First Heat Exchanger of heat exchanger, First Heat Exchanger outlet pipe connection the 5th valve and the 6th
Valve, the 6th valve other end connection chilled water return pipe, the 5th valve connection absorption heat pump the first vaporizer water inlet pipe, institute
State the 4th valves of the first vaporizer outlet pipe Jing connection compression heat pump the second vaporizer water inlet pipe, the second vaporizer water outlet
Pipe connects the 3rd valve and the 7th valve, the 3rd valve other end connection heat supply network return pipe, the connection of the 7th valve other end respectively
Chilled water feed pipe；
The water inlet pipe of the absorber and the first condenser of low-temperature heat supply system return pipe connection absorption heat pump, the first heat exchange
The 8th valve of first entrance end of device is connected with the outlet pipe of the first condenser with the absorber of absorption heat pump, and hot water is from
One arrival end brings out the second condenser for coming that the 9th valves of Jing connect compression heat pump into after First Heat Exchanger from first outlet
Water inlet pipe, the outlet pipe of absorber and the first condenser is connected with the second condenser water inlet pipe through the tenth valve, and the tenth valve
Door is arranged between first entrance end and first outlet end, and the second leaving condenser water pipe of compression heat pump connects the 15th respectively
Valve and the 16th valve, the 16th valve other end connect the recirculated cooling water water inlet pipe of cooling tower, the 15th valve export
End is connected with the recirculated cooling water outlet pipe of cooling tower, and the 17th valve is arranged on recirculated cooling water outlet pipe, and cooling down
Tower is exported and the 15th valve export between, and recirculated cooling water outlet pipe connects low-temperature heat supply system water supply by the 20th valve
Pipe；
The water inlet of the absorber and the first condenser of the 18th valves of recirculated cooling water outlet pipe Jing connection absorption heat pump
Pipe；
The First Heat Exchanger and heat exchanger are water-water heat exchanger；
The return pipe of heating system enters heat exchanger by inlet valve, goes out from port of export Jing Jing after heat exchanger heat exchange
Mouth valve connects the feed pipe of heating system.
Preferably, low-temperature heat supply system is flooring radiation heating system, and supply water temperature/return water temperature is 45/35 DEG C.
Preferably, the heat exchanger includes the second heat exchanger and the 3rd heat exchanger, the second heat exchanger and the 3rd heat exchanger
Be arranged in parallel on the pipeline between the second valve and the 5th valve, the 3rd heat exchanger water inlet pipe sequentially pass through the 3rd heat exchanger,
After second heat exchanger and First Heat Exchanger from First Heat Exchanger outlet pipe out；Heating system includes middle temperature heating system and high temperature
Heating system, inlet valve are respectively the 13rd valve and the 11st valve, and outlet valve is respectively the 14th valve and the 12nd valve
Door, high-temperature heat supply system return Gutron cross the second entrance end that the 13rd valve connects the 3rd heat exchanger, through the 3rd heat exchanger
Bring out from second outlet afterwards and carry out the 14th valves of Jing connection high-temperature heat supply system water supply pipe；Middle temperature heating system return pipe is by the
11 valves connect the 3rd arrival end of the second heat exchanger, through after the second heat exchanger from the 3rd port of export out the 12nd valves of Jing
The middle temperature heating system feed pipe of door connection.
In the winter time during operating mode, heat supply network water supply passes sequentially through heat exchanger and Jing after the first generator of absorption heat pump
One heat exchanger is lowered the temperature, then the first vaporizers of Jing and the second vaporizer reducing temperature twice Jing heat supply networks return pipe are returned, low-temperature heat supply
System return carries out heat exchange into First Heat Exchanger Jing after absorption heat pump absorber and the first condenser, cold into second
Condenser heating comes back for heat supply, and heating system then carries out heat supply using heat exchanger；In summer condition, heat supply network water supply Jing absorbs
Return after the generator cooling of formula heat pump, the absorber and the first condenser and compression type heat of recirculated cooling water Jing absorption heat pumps
After the second condenser series connection heating of pump, absorber and first condensation of absorption heat pump are returned into after cooling tower radiating and cooling
Device, chilled water backwater are delivered to Jing after the second evaporator series cooling of first vaporizer and compression heat pump of absorption heat pump and are built
Build and use cold terminal.
Using the beneficial effect produced by above-mentioned technical proposal it is：（1）By arranging absorption heat pump and compression type heat
Pump, in the winter time during operating mode, realizes big temperature difference heat exchange, significantly reduces heat supply network return water temperature, improve heat supply network conveying capacity, while being back
Receive power plant's low temperature exhaust heat and create convenience, improve the economy of cogeneration of heat and power central heating；（2）During summer condition, the heating power
The high temperature heat supply network water-driven absorption heat pump that system of standing is provided using central heating resource, realizes concentrating refrigeration heat, while compression
Formula heat pump also transitions into cooling condition, improves the utilization rate of two class heat pump/refrigerating machine equipments；（3）Heat supply network supplies water through absorbing
The absorber of formula heat pump and the first condenser are connected with the second condenser of compression heat pump heating, effectively reduce absorption type heat
The condensing pressure of pump condenser, second evaporation of the chilled water backwater through first vaporizer and compression heat pump of absorption heat pump
Device series connection cooling, improves the evaporating pressure of absorption heat pump vaporizer, improves the overall work work of absorption type heat pump assembly
Condition；(4) in summer condition, absorption refrigeration undertakes basic refrigeration duty to the heat station system, and it is cold that compression-type refrigeration undertakes peak regulation
Load, makes concentration heat supply network stability of flow, load variations of not catching a cold and frequently change, and then improve heat supply network hydraulic stability and collection
The economy of middle heat conveying.
Description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the system flow chart of the present invention；
In figure：1- absorption heat pumps, 2- First Heat Exchangers, the second heat exchangers of 3-, the 3rd heat exchangers of 4-, 5- compression type heats
Pump, 6- cooling towers, the first condensers of C-, the second condensers of D-, the first vaporizers of E-, the second vaporizers of F-, G- generators, K1-
First valve, the second valves of K2-, the 3rd valves of K3-, the 4th valves of K4-, the 5th valves of K5-, the 6th valves of K6-, K7- the 7th
Valve, the 8th valves of K8-, the 9th valves of K9-, the tenth valves of K10-, the 11st valves of K11-, the 12nd valves of K12-, K13-
13rd valve, the 14th valves of K14-, the 15th valves of K15-, the 16th valves of K16-, the 17th valves of K17-, K18-
18 valves, the 19th valves of K19-, the 20th valves of K20-, P1- heat supply network feed pipes, P2- heat supply network return pipes, P3- generators
Water inlet pipe, P4- generator outlet pipes, the 3rd heat exchanger water inlet pipes of P5-, P6- the first vaporizer outlet pipes, P7- First Heat Exchangers
Outlet pipe, P8- the first vaporizer water inlet pipes, P9- chilled water return pipes, P10- chilled water feed pipes, the second vaporizers of P11- enter
The water inlet pipe of water pipe, P12- the second vaporizer outlet pipes, P13- absorbers and the first condenser, P14- absorbers and the first condensation
The outlet pipe of device, P15- the second condenser water inlet pipes, P16- the second leaving condenser water pipes, P17- recirculated cooling water water inlet pipes,
P18- recirculated cooling water outlet pipes, P19- low-temperature heat supply system return pipes, P20- low-temperature heat supply system water supply pipes, the middle temperature of P21- are supplied
Hot systems return pipe, the middle temperature heating system feed pipes of P22-, P23- high-temperature heat supply system return pipes, P24- high-temperature heat supplies system are supplied
Water pipe, 21- first entrances end, 22- first outlets end, 31- second entrances end, 32- second outlets end, the 3rd arrival ends of 41-,
The 3rd ports of export of 42-.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, elaborates many details in the following description in order to fully understand the present invention, but the present invention can be with
It is different from alternate manner described here to implement using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
A kind of new heat station system for having big temperature difference heat exchange and concentration refrigeration heat function concurrently as shown in Figure 1, including suction
Receipts formula heat pump 1, compression heat pump 5, cooling tower 6, First Heat Exchanger 2 and heat exchanger, the absorption heat pump 1 include generator
G, the first vaporizer E, absorber A and the first condenser C, the compression heat pump 5 include the second vaporizer F and the second condenser
D, heat supply network feed pipe P1 are connected with the generator water inlet pipe P3 of absorption heat pump 1, generator outlet pipe P4 point of absorption heat pump 1
Do not connect the first valve K1 and the second valve K2, the first valve K1 other ends are connected with heat supply network return pipe P2, and the second valve K2 is another
One end is connected with the water inlet pipe of heat exchanger, the outlet pipe connection First Heat Exchanger 2 of heat exchanger, First Heat Exchanger outlet pipe P7
Connect the 5th valve K5 and the 6th valve K6, the 6th valve K6 other ends connection chilled water return pipe P9, the 5th valve K5 connections
1 first vaporizer water inlet pipe P8 of absorption heat pump, the 4th valve K4 of the first vaporizer outlet pipe P6 Jing connect compression type heat
5 second vaporizer water inlet pipe P11 of pump, the second vaporizer outlet pipe P12 connect the 3rd valve K3 and the 7th valve K7 respectively,
The 3rd valve K3 other ends connect heat supply network return pipe P2, the 7th valve K7 other ends connection chilled water feed pipe P10.
Above-mentioned First Heat Exchanger 2 and heat exchanger are water-water heat exchanger；
The water inlet pipe P13 of the absorber and the first condenser of low-temperature heat supply system return pipe P19 connection absorption heat pumps 1,
The 8th valve K8 of 21 Jing of first entrance end of First Heat Exchanger 2 and the absorber of absorption heat pump 1 and the water outlet of the first condenser
Pipe P14 connects, and water enters First Heat Exchanger 2 from first entrance end 21, and from first outlet end 22, out the 9th valve K9 of Jing connections are pressed
The outlet pipe P14 of the second condenser water inlet pipe P15 of contracting formula heat pump 5, absorber and the first condenser through the tenth valve K10 with
Second condenser water inlet pipe P15 be connected, and the tenth valve K10 be arranged between first entrance end 21 and first outlet end 22, press
Second leaving condenser water pipe P16 of contracting formula heat pump 5 connects the 15th valve K15 and the 16th valve K16, the 16th valve respectively
The K16 other ends connect the circulation of the recirculated cooling water water inlet pipe P17 of cooling tower 6, the 15th valve K15 ports of export and cooling tower 6
Cooling water outlet pipe P18 is connected, and the 17th valve K17 is arranged on recirculated cooling water outlet pipe P18, and export in cooling tower 6
Between the 15th valve K15 outlets, recirculated cooling water outlet pipe P18 connects low-temperature heat supply system by the 20th valve K20
Feed pipe P20；
The absorber and the first condenser of the 18th valve K18 of recirculated cooling water outlet pipe P18 Jing connection absorption heat pumps 1
Water inlet pipe P13；
The return pipe of heating system enters heat exchanger by inlet valve, goes out from port of export Jing Jing after heat exchanger heat exchange
Mouth valve connects the feed pipe of heating system.
Wherein, low-temperature heat supply system is flooring radiation heating system, generally 45/35 DEG C of supply water temperature/return water temperature.It is low
Warm heating system return pipe P19 and low-temperature heat supply system water supply pipe P20 connect floor panel heating terminal respectively.
Above-mentioned heat exchanger includes the second heat exchanger 3 and the 3rd heat exchanger 4, and the second heat exchanger 3 is in parallel with the 3rd heat exchanger 4
It is arranged on the pipeline between the second valve K2 and the 5th valve K5, i.e., the second heat exchanger 3 is arranged on First Heat Exchanger 2 and the 3rd
Between heat exchanger 4, after the 3rd heat exchanger water inlet pipe P5 sequentially passes through the 3rd heat exchanger 4, the second heat exchanger 3 and First Heat Exchanger 2
From First Heat Exchanger outlet pipe P7 out；Heating system includes middle temperature heating system and high-temperature heat supply system, and inlet valve is respectively
13rd valve K13 and the 11st valve K11, outlet valve are respectively the 14th valve K14 and the 12nd valve K12, and high temperature is supplied
Hot systems return pipe P23 connects the second entrance end 41 of the 3rd heat exchanger 4 by the 13rd valve K13, through the 3rd heat exchanger 4
From second outlet end 42, out the 14th valve K14 of Jing connect high-temperature heat supply system water supply pipe P24 afterwards；Middle temperature heating system backwater
Pipe P21 connects the 3rd arrival end 31 of the second heat exchanger 3 by the 11st valve K11, goes out from the 3rd through after the second heat exchanger 3
Out the 12nd valve K12 of Jing connect middle temperature heating system feed pipe P22 at mouth end 32.
Concrete application of the present invention is divided into winter condition and summer condition,
Winter operation operating mode：
Close the first valve K1, the 6th valve K6, the 7th valve K7, the tenth valve K10, the 16th valve K16, the 17th
Valve K17, the 18th valve K18, open the second valve K2, the 3rd valve K3, the 4th valve K4, the 5th valve K5, the 8th valve
Door K8, the 9th valve K9, the 11st valve K11, the 12nd valve K12, the 13rd valve K13, the 14th valve K14, the tenth
Five valve K15, the 19th valve K19, the 20th valve K20, the flow direction of arrows hot net water in Fig. 1, hot net water supply water
（130℃）The generator inlet channel P3 of Jing heat supply network feed pipe P1, absorption heat pump 1, as the generator G of absorption heat pump 1
Driving heat source, generator outlet pipe P4, the second valve K2 then through absorption heat pump 1 enter the 3rd heat exchanger water inlet pipe
P5, flows through the 3rd heat exchanger 4, the second heat exchanger 3, First Heat Exchanger 2 successively, is cooled to 50 DEG C or so, by the first heat exchange
Device outlet pipe P7, the 5th valve K5, the first vaporizer water inlet pipe P8 of absorption heat pump 1, the first vaporizer of absorption heat pump 1
Outlet pipe P6, the 4th valve K4, the second vaporizer water inlet pipe P11 of compression heat pump 5, are evaporated by the first of absorption heat pump 1
Second vaporizer F of device E and compression heat pump 5 is further cooled to 25 DEG C, and the of the compressed formula heat pump of the hot net water after cooling 5
Two vaporizer outlet pipe P12, the 3rd valve K3, heat supply network return pipe P2 return power plant；
Low-temperature heat supply system return（35℃）Jing low-temperature heat supply system return pipe P19, the 19th valve K19, absorption type heat
The absorber of pump 1 and the first condenser water inlet pipe P13, the first entrance end 21 of First Heat Exchanger 2, the first of First Heat Exchanger 2
Second condenser water inlet pipe P15 of the port of export 22, compression heat pump 5, flows through absorber A and the condensation of absorption heat pump 1 successively
Device C, First Heat Exchanger 2, the second condenser D series connection of compression heat pump 5 are heated to 55 DEG C, and the secondary network water after heating is compressed
After second leaving condenser water pipe P16, the 15th valve K15 and the 20th valve K20 of formula heat pump 5, Jing low-temperature heat supplies system is supplied
Water pipe P20 delivers to low temperature floor radiation heat supply user；
Middle temperature heating system backwater（45℃）The middle temperature heating system return pipe P21 of Jing, the 11st valve K11, the second heat exchange
The first entrance end 31 of device 3, the first outlet end 32 of the second heat exchanger 3, the second heat exchangers of middle temperature heating system backwater Jing 3 exchange heat
65 DEG C are warming up to, the 12nd valve K12 of Jing, middle temperature heating system feed pipe P22 deliver to middle temperature heat supply user；
High-temperature heat supply system return（50℃）Jing high-temperature heat supply system return pipe P23, the 13rd valve K13, the 3rd heat exchange
The first entrance end 41 of device 4, the first outlet end 42 of the 3rd heat exchanger 4, the 3rd heat exchanger 4 of high-temperature heat supply system return Jing exchange heat
75 DEG C are warming up to, the 14th valve K14 of Jing and high-temperature heat supply system water supply pipe P24 deliver to high-temperature heat supply user.
Summer condition：
Close the second valve K2, the 3rd valve K3, the 5th valve K5, the 8th valve K8, the 9th valve K9, the 11st valve
K11, the 12nd valve K12, the 13rd valve K13, the 14th valve K14, the 15th valve K15, the 19th valve K19,
20 valve K20, open the first valve K1, the 4th valve K4, the 6th valve K6, the 7th valve K7, the tenth valve K10, the tenth
Six valve K16, the 17th valve K17, the 18th valve K18, hot net water supply water（120℃）It is Jing heat supply network feed pipe P1, absorption
The generator water inlet pipe P3 of heat pump 1, as the driving heat source of 1 generator G of absorption heat pump, is cooled to 80 DEG C or so, then
Through 1 generator outlet pipe P4 of absorption heat pump, the first valve K1, heat supply network return pipe P2, power plant is returned；
Recirculated cooling water（37℃）The absorber of Jing absorption heat pumps 1 and the first leaving condenser water pipe P14, compression heat pump
5 the second condenser water inlet pipe P15 is passed through the absorber A and the first condenser C of absorption heat pump 1, compression heat pump 5 successively
Second condenser D series connection heating, the second leaving condenser water pipe P16 of the compressed formula heat pump of the recirculated water after heating 5, the 16th valve
Door K16, the circulating water inlet P17 of cooling tower 6 enter cooling tower 6 and discharge heat, the recirculated water after cooling（32℃）Passing through
The circulating water outlet pipe P18 of cooling tower, the 17th valve K17, the 18th valve K18, the absorber of absorption heat pump 1 and first
The water inlet pipe P13 of condenser is back to the absorber A and condenser C entrances of absorption heat pump 1；
Chilled water backwater（12℃）Chilled water return pipe P9, the 6th valve K6, the first vaporizer of absorption heat pump 1 enter
Water pipe P8, the first vaporizer outlet pipe P6 of absorption heat pump 1, the 4th valve K4, the second vaporizer water inlet of compression heat pump 5
Pipe P11, chilled water backwater pass sequentially through the second vaporizer F series connection of the first vaporizer E of absorption heat pump 1, compression heat pump 5
Cooling, the second vaporizer outlet pipe P12 of the compressed formula heat pump of the chilled water after cooling 5, the 7th valve K7, chilled water feed pipe
P10 delivers to cold terminal for building.
High-temperature heat supply system can be radiator heating system, generally 70/50 DEG C of supply water temperature/return water temperature, middle temperature confession
Hot systems can be air-conditioning heating system, generally 55/45 DEG C of supply water temperature/return water temperature.
The chilled water pipeline in webmaster road of heat supply network heat supply and building cooling terminal is connected in parallel by the present invention, and building is adopted
The recirculated cooling water pipeline of the secondary network pipeline and cooling tower of warm terminal is connected in parallel.It is different according to winter/summer operating condition, rely on
The switching opened and closed to realize system of different valves.During summer condition, the present invention can realize that central air conditioning freezes；Winter condition
When, the present invention can realize big temperature difference heat exchange, that is, significantly reduce once net return water temperature, improve heat supply network conveying capacity, while being
Reclaim power plant's low temperature exhaust heat and create convenience, improve the economy of cogeneration of heat and power central heating.
In sum, the present invention has the advantages that simple structure, easy to operate, has both the big temperature difference and exchanges heat and refrigerating function,
The thermal power cogeneration central heating system of absorption heat exchange and central air conditioning refrigeration system can be organically combined, in the winter time work
During condition, big temperature difference heat exchange is realized, once net return water temperature is significantly reduced, is improved heat supply network conveying capacity, while low to reclaim power plant
Warm waste heat creates convenience, improves the economy of cogeneration of heat and power central heating；During summer condition, the heat station system is using collection
The high temperature heat supply network water-driven absorption heat pump that middle confession thermal resource is provided, realizes concentrating refrigeration heat, while compression heat pump also changes
For cooling condition, the utilization rate of two class heat pump/refrigerating machine equipments is improve.
Obviously, embodiments described above a part of embodiment only of the invention, rather than the embodiment of whole.
Based on the embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under the premise of creative work is not made
Other embodiment, belongs to the scope of protection of the invention.
Claims (1)
1. it is a kind of to have big temperature difference heat exchange concurrently and concentrate the new heat station system of refrigeration heat function, it is characterised in that including absorption
Formula heat pump（1）, compression heat pump（5）, cooling tower（6）, First Heat Exchanger（2）And heat exchanger, the absorption heat pump（1）Bag
Include generator（G）, the first vaporizer（E）, absorber（A）With the first condenser（C）, the compression heat pump（5）Including second
Vaporizer（F）With the second condenser（D）, heat supply network feed pipe（P1）With absorption heat pump（1）Generator water inlet pipe（P3）It is connected,
Absorption heat pump（1）Generator outlet pipe（P4）Connect the first valve respectively（K1）With the second valve（K2）, the first valve
（K1）The other end and heat supply network return pipe（P2）It is connected, the second valve（K2）The other end is connected with the water inlet pipe of heat exchanger, and heat is handed over
The outlet pipe connection First Heat Exchanger of parallel operation（2）, First Heat Exchanger outlet pipe（P7）Connect the 5th valve（K5）And the 6th valve
（K6）, the 6th valve（K6）The other end connects chilled water return pipe（P9）, the 5th valve（K5）Connection absorption heat pump（1）First
Vaporizer water inlet pipe（P8）, the first vaporizer outlet pipe（P6）The 4th valves of Jing（K4）Connection compression heat pump（5）Second
Vaporizer water inlet pipe（P11）, the second vaporizer outlet pipe（P12）Connect the 3rd valve respectively（K3）With the 7th valve
（K7）, the 3rd valve（K3）The other end connects heat supply network return pipe（P2）, the 7th valve（K7）The other end connects chilled water feed pipe
（P10）；
Low-temperature heat supply system return pipe（P19）Connection absorption heat pump（1）Absorber and the first condenser water inlet pipe
（P13）, First Heat Exchanger（2）First entrance end（21）The 8th valves of Jing（K8）With absorption heat pump（1）Absorber and
The outlet pipe of one condenser（P14）Connection, hot water is from first entrance end（21）Into First Heat Exchanger（2）Afterwards from first outlet end
（22）Out the 9th valves of Jing（K9）Connection compression heat pump（5）The second condenser water inlet pipe（P15）, absorber is cold with first
The outlet pipe of condenser（P14）Through the tenth valve（K10）With the second condenser water inlet pipe（P15）Be connected, and the tenth valve（K10）
It is arranged on first entrance end（21）With first outlet end（22）Between, compression heat pump（5）The second leaving condenser water pipe（P16）
Connect the 15th valve respectively（K15）With the 16th valve（K16）, the 16th valve（K16）The other end connects cooling tower（6）'s
Recirculated cooling water water inlet pipe（P17）, the 15th valve（K15）The port of export and cooling tower（6）Recirculated cooling water outlet pipe（P18）
Connection, the 17th valve（K17）It is arranged on recirculated cooling water outlet pipe（P18）Above, and in cooling tower（6）Outlet and the 15th valve
Door（K15）Between outlet, recirculated cooling water outlet pipe（P18）By the 20th valve（K20）Connection low-temperature heat supply system water supply
Pipe（P20）；
Recirculated cooling water outlet pipe（P18）The 18th valves of Jing（K18）Connection absorption heat pump（1）Absorber and first condensation
The water inlet pipe of device（P13）；
The First Heat Exchanger（2）Water-water heat exchanger is with heat exchanger；
The return pipe of heating system enters heat exchanger by inlet valve, Jing after heat exchanger heat exchange from port of export Jing outlet valves
The feed pipe of connection heating system；
The heat exchanger includes the second heat exchanger（3）With the 3rd heat exchanger（4）, the second heat exchanger（3）With the 3rd heat exchanger（4）
It is arranged in parallel in the second valve（K2）With the 5th valve（K5）Between pipeline on, the 3rd heat exchanger water inlet pipe（P5）Sequentially pass through
3rd heat exchanger（4）, the second heat exchanger（3）And First Heat Exchanger（2）Afterwards from First Heat Exchanger outlet pipe（P7）Out；Heat supply system
System includes middle temperature heating system and high-temperature heat supply system, and inlet valve is respectively the 13rd valve（K13）With the 11st valve
（K11）, outlet valve respectively the 14th valve（K14）With the 12nd valve（K12）, high-temperature heat supply system return pipe（P23）It is logical
Cross the 13rd valve（K13）Connect the 3rd heat exchanger（4）Second entrance end（41）, through the 3rd heat exchanger（4）Afterwards from second
The port of export（42）Out the 14th valves of Jing（K14）Connection high-temperature heat supply system water supply pipe（P24）；Middle temperature heating system return pipe
（P21）By the 11st valve（K11）Connect the second heat exchanger（3）The 3rd arrival end（31）, through the second heat exchanger（3）Afterwards
From the 3rd port of export（32）Out the 12nd valves of Jing（K12）Connect middle temperature heating system feed pipe（P22）.
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| CN201610569676.1A CN106123395B (en) | 2016-07-20 | 2016-07-20 | Novel heating station system having both large-temperature-difference heat exchange and concentrated heat refrigeration functions |
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Families Citing this family (6)
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| CN108317582B (en) * | 2018-04-08 | 2023-12-26 | 中国建筑标准设计研究院有限公司 | Cold and hot combined supply waste heat large-temperature-difference central heating system of data center |
| CN109764387B (en) * | 2019-03-07 | 2023-04-28 | 北京市热力集团有限责任公司 | System for carrying out combined cooling and heating by utilizing regional heating network and control method |
| CN109945273A (en) * | 2019-04-25 | 2019-06-28 | 中能服能源科技股份有限公司 | A kind of big temperature difference multizone combining heating system of difference heat supply temperature |
| CN109945270A (en) * | 2019-04-25 | 2019-06-28 | 中能服能源科技股份有限公司 | A kind of different big temperature difference multizone combining heating systems for thermal pressure |
| CN109945272A (en) * | 2019-04-25 | 2019-06-28 | 中能服能源科技股份有限公司 | A kind of three area's combining heating system of the big temperature difference based on absorption heat exchange |
| CN114251874B (en) * | 2021-12-29 | 2023-10-27 | 北京华源泰盟节能设备有限公司 | Compact waste heat utilization system and waste heat utilization method thereof |
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| CN103673035A (en) * | 2013-11-08 | 2014-03-26 | 清华大学 | Combined type heat exchange unit |
| CN203586352U (en) * | 2013-11-08 | 2014-05-07 | 清华大学 | Compound heat exchanger unit |
| WO2015066831A1 (en) * | 2013-11-08 | 2015-05-14 | 清华大学 | Combined heat exchanger set |
| CN205156103U (en) * | 2015-11-25 | 2016-04-13 | 北京市煤气热力工程设计院有限公司 | Heat transfer unit of integrated absorption heat pump and electronic heat pump |
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| US6000211A (en) * | 1997-06-18 | 1999-12-14 | York Research Corporation | Solar power enhanced combustion turbine power plant and methods |
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|---|---|---|---|---|
| CN103673035A (en) * | 2013-11-08 | 2014-03-26 | 清华大学 | Combined type heat exchange unit |
| CN203586352U (en) * | 2013-11-08 | 2014-05-07 | 清华大学 | Compound heat exchanger unit |
| WO2015066831A1 (en) * | 2013-11-08 | 2015-05-14 | 清华大学 | Combined heat exchanger set |
| CN205156103U (en) * | 2015-11-25 | 2016-04-13 | 北京市煤气热力工程设计院有限公司 | Heat transfer unit of integrated absorption heat pump and electronic heat pump |
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