CN207849524U - A kind of full hydro-thermal pump therrmodynamic system - Google Patents
A kind of full hydro-thermal pump therrmodynamic system Download PDFInfo
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- CN207849524U CN207849524U CN201721724348.0U CN201721724348U CN207849524U CN 207849524 U CN207849524 U CN 207849524U CN 201721724348 U CN201721724348 U CN 201721724348U CN 207849524 U CN207849524 U CN 207849524U
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Abstract
A kind of full hydro-thermal pump therrmodynamic system, including heat pump ontology, high temperature water supply line, low-temperature return water pipeline, heat supply network outer net water supply line, heat supply network outer net water return pipeline, heat pump power source water inlet line, heat pump power source outlet conduit, heat pump heat release cooling side water inlet line, heat pump heat release cooling side outlet conduit, heat pump heat absorption heating side water inlet line, heat pump heat absorption heating side outlet conduit；Heat pump power source water inlet line, heat pump heat release cooling side water inlet line connect high temperature water supply line, heat pump heat release cooling side outlet conduit connects low-temperature return water pipeline, heat pump heat absorption heating side water inlet line connects heat supply network outer net water return pipeline, and heat pump heat absorption heating side outlet conduit connects heat supply network outer net water supply line；Three road heat transfer mediums of heat pump are water；The heat transfer medium range of choice of heat pump will expand significantly, and the application range of heat pump will expand significantly.
Description
Technical field
The utility model belongs to energy-saving and emission-reduction field, and in particular to a kind of full hydro-thermal pump therrmodynamic system.
Background technology
It is well known that absorption heat pump, heat transfer medium includes three tunnels.The first via, heat pump power source medium.For absorbing
For formula heat pump, this road medium can also be hot water either steam, as long as enough heat contents or hot dynamic can be provided to heat pump
Power.But the heat pump of power plant's heat supply at present, power source are generally steam.Second tunnel, the heat release temperature-reducing medium of heat pump.
For absorption heat pump, this road medium can also be water (such as the water cooling unit of certain temperature either steam (steam exhaust)
Group condenser circulating water), as long as enough heats (thermic load) and temperature can be provided to heat pump.The heat used at present
Pump, this road medium are generally exhaust steam in steam turbine or water chiller condenser circulating water.The heat absorption heating on third road, heat pump is situated between
Matter.Currently used for the heat pump of outer net heat supply, this road medium is generally Gateway Station in Heating Network for return water.Lead to the coupling between heat pump and initial station
It closes and the relationship of conditioning each other can not be avoided effectively.
In conventional heating system, hot water or high temperature waste hot water phase are to being easier to obtain, the waste heat of various industrial enterprises
It is most of that heat has been recycled with hot water pattern.Therrmodynamic system of making rational planning for constructs, and is pumped using the full hydro-thermal of three tunnel hot aqueous mediums,
Heat transfer medium selectable range will expand in the past significantly, the hot water of the waste heat recovery of various industrial enterprises, only winter profit
With summer waste.The therrmodynamic system constituted using full hydro-thermal pump, can heat, summer can freeze in winter.Full hydro-thermal pump exists
Winter and summer can run.There is full hydro-thermal to pump, summer is freezed with spent hot water, and full annual utilization hours greatly increase, section
Energy benefit will also have greatly improved, and the application range of heat pump will expand significantly.
Utility model content
It is all the absorption heat pump of water as core that the purpose of this utility model is to provide a kind of using three road heat transfer mediums
Therrmodynamic system.
A kind of full hydro-thermal pump therrmodynamic system, including heat pump ontology, high temperature water supply line, low-temperature return water pipeline, heat supply network outer net
Water supply line, heat supply network outer net water return pipeline, heat pump power source water inlet line, heat pump power source outlet conduit, heat pump heat release cooling
Side water inlet line, heat pump heat release cooling side outlet conduit, heat pump heat absorption heating side water inlet line, heat pump heat absorption heating side outlet pipe
Road；It is characterized in that：Heat pump power source water inlet line, heat pump heat release cooling side water inlet line connect high temperature water supply line, heat pump
Heat release cooling side outlet conduit connects low-temperature return water pipeline, and heat pump heat absorption heating side water inlet line connects heat supply network outer net water return pipeline, heat
Pumping heat heating side outlet conduit connects heat supply network outer net water supply line；Three road heat transfer mediums of heat pump are water, i.e.,：The power of heat pump
Source is hot water, and the heat release temperature-reducing medium of heat pump is water, and the heat absorption temperature raising medium of heat pump is also water.
Further, heat pump power source outlet conduit imports heat pump heat release cooling side water inlet line.
Further, further include plate heat exchanger, plate heat exchanger cold side seals in heat pump heat release cooling side water inlet line.
Further, heat supply network outer net water return pipeline is divided into two-way, accesses heat pump heat absorbing side all the way；Another way then seals in board-like
Heat exchanger heat absorbing side.
Further, the water outlet of plate heat exchanger heat absorbing side converges heat pump heat absorption heating side outlet conduit, and connects outside heat supply network
Net water supply line.
Further, high temperature water supply line comes from Gateway Station in Heating Network water supply line, and low-temperature return water pipeline connects Gateway Station in Heating Network
Water return pipeline.
Further, three road heat transfer mediums of heat pump are water, including Gateway Station in Heating Network water, heat supply network outer net water or other height
Warm spent hot water.
Compared with prior art, the utility model has the beneficial effects that：
1, whole heat transfer mediums are all water
The heat transfer medium range of choice of 1.1 heat pumps will expand significantly
Hot water or high temperature waste hot water are easier to obtain, and most of waste heat of various industrial enterprises is recycled with hot water pattern
Heat.
The application range of 1.2 heat pumps will expand significantly
Winter heats, cooling in summer.In the past, the hot water of the waste heat recovery of various industrial enterprises, only winter utilization, summer
Its waste.There is full hydro-thermal to pump, summer is freezed with spent hot water, and full annual utilization hours greatly increase, and energy-saving benefit will also have
Prodigious promotion.
2, heat pump power source medium is water
2.1 heat pump ontologies need not consume steam.Steam deficiency or the middle lower heat of row's steam parameter are arranged in steam power plant
Power plant can also use heat pump；
Heat pump power source water outlet after 2.2 coolings can also access heat pump heat release cooling side, deep temperature reduction, depth heat release；
The overall efficiency of 2.3 entire heats will further increase.
3, the heat release temperature-reducing medium of heat pump is water
3.1 steam power plant's units no longer need to raise back pressure operation.(especially cold district, winter condenser circulating water temperature
It is relatively low, in order to improve the COP of heat pump, it has to which high back pressure is run).It deliberately need not select or build heat pump exothermic medium.
3.2 can provide big temperature difference return water for Gateway Station in Heating Network, be conducive to cold end heat recovery technology (such as increase steam turbine recycling
The heat supply of steam exhaust heat) implementation, improve steam exhaust recycling amount, increase the energy saving magnitude of cold end, improve effects of energy saving and emission reduction.
4, the heat absorption temperature raising medium of heat pump is water
The heat pump of power plant's heat supply at present, this road medium are generally Gateway Station in Heating Network for return water.If medium does not use all the way for this
Gateway Station in Heating Network uses independent heat supply network outer net return water for return water, then, initial station return water temperature recycles profit with steam turbine steam exhaust is increased
It can be slowed down significantly with " couple and condition each other " between system, heat pump and initial station.
Description of the drawings
Fig. 1 is full hydro-thermal pump therrmodynamic system schematic diagram；
Wherein, steam discharge in 1 high back pressure steam turbine, steam discharge in 2 low back pressure turbines, 3 high back pressure turbine low pressure cylinders, 4 is low
Back pressure turbine low pressure (LP) cylinder, 5 high back pressure turbine condensers, 6 low back pressure turbine condensers, 7 increase steam turbine, and 8 heat supply networks recycle
Water pipe, 9 heat supply network recirculation return pipes, 10 heat exchangers for district heatings, 11 increase steam turbine condenser, 12 second steam exhaust condensers, 13 first steam exhaust
Condenser, 14 steam exhaust headers, 15 steam exhaust header control valves, 16 heat pump heat releases cooling side, 17 heat pumps heat absorption heating side, 18 is board-like
Heat exchanger cold side, 19 plate heat exchanger heat absorbing sides.
Specific implementation mode
1 pair of the utility model is further described below in conjunction with the accompanying drawings, it should be understood that content described herein is only used for
Description and interpretation the utility model is not used to limit the utility model.
The full hydro-thermal of rational structure pumps therrmodynamic system, thirdly road active heat transfer medium is all water.First, using power plant's hot water
(or industrial enterprise's hot water or spent hot water), especially Gateway Station in Heating Network are used as power for water outlet (its temperature-controllable is at 85-130 DEG C)
Source, heat pump ontology need not consume steam as its power source.For arranging steam deficiency or middle row's steam parameter in steam power plant
Lower steam power plant could be used that heat pump.The use scope of heat pump accordingly expands.Secondly, using power plant's hot water (or industrial enterprise
Hot water or spent hot water), especially Gateway Station in Heating Network can no longer be needed for being discharged the heat release temperature-reducing medium as heat pump, steam power plant's unit
Raise back pressure operation.Finally, the heat absorption temperature raising medium of heat pump does not use Gateway Station in Heating Network for return water, but heat supply network outer net is used to return
Water, coupling between initial station return water temperature and Power Plant Side steam exhaust recycling system, heat pump and initial station and condition each other can be big
Slow down greatly.
Embodiment one：
The installation of certain power plant is 2 660MW indirect air cooling units.The steam exhaust of two steam turbines is sharp using steam turbine recycling is increased simultaneously
With.Full water absorption type heat pump carries out outer net heat supply as key equipment to construct therrmodynamic system.
Therrmodynamic system carries out two independent loops.
One is " initial station heat-exchanging water-circulation ", the other is " outer net hot net water cycle ".
Initial station heat-exchanging water-circulation belongs to Power Plant Side, is connected with each other with steam turbine dead steam recovery system is increased, the equipment being related to has：
First steam exhaust condenser, the second steam exhaust condenser increase steam turbine, increase steam turbine condenser, Gateway Station in Heating Network heater, heat exchange water system.
Exchange heat water system heat exchange cycle water lines successively pass through the first steam exhaust condenser, the second steam exhaust condenser, increase steam turbine condenser,
Heat exchangers for district heating, heat exchange cycle water are supplied water after heating to the full hydro-thermal pump in outer net heat supply network water circulation system.
Outer net hot net water cycle belongs to external heat supply network side, and the equipment being related to has：Full hydro-thermal pump, plate heat exchanger, pipeline
Valve piping etc..Full hydro-thermal pump and plate heat exchanger build external heat supply network side in.
Full hydro-thermal pump is used as key equipment.
Full hydro-thermal pumps therrmodynamic system, including heat pump ontology, and plate heat exchanger, (high temperature) water supply line, initial station are (low at first stop
Temperature) water return pipeline, heat supply network outer net water supply line, heat supply network outer net water return pipeline, heat pump power source water inlet line, heat pump power source goes out
Waterpipe, heat pump heat release cooling side water inlet line, heat pump heat release cooling side outlet conduit, heat pump heat absorption heating side water inlet line,
Heat pump heat absorption heating side outlet conduit etc..
Three road heat transfer mediums of heat pump are water, i.e.,：The power source of heat pump connects Gateway Station in Heating Network water supply line, and medium is heat
Water；The heat release cooling side of heat pump connects Gateway Station in Heating Network for water return pipeline, and medium is water；The heat absorption heating side of heat pump connects the confession of heat supply network outer net
Water return pipeline, medium are also water.
(the about 125 DEG C) water supply of Gateway Station in Heating Network heater high-temperature are divided into two-way.Wherein Gateway Station in Heating Network high temperature water supply conduct all the way
The power source medium of heat pump connects heat pump power source water inlet line；Another way Gateway Station in Heating Network high temperature, which supplies water, is used as plate heat exchanger
Cold side medium, connecting plate type heat exchanger cold side, to heat outer net low temperature (the about 50--60 in plate heat exchanger heat absorbing side
DEG C) return water.The flow-rate ratio that this two-way Gateway Station in Heating Network high temperature supplies water, premised on meeting heat pump system effectively operation.
Heat pump power source outlet conduit converges to heat exchanger cold side outlet pipe and is connected to heat pump heat release cooling side water inlet pipe
Road, heat pump heat release cooling side outlet conduit are connected to the first steam exhaust condenser in the heat-exchanging water-circulation system of initial station；Wherein, cool down
Heat pump power source water outlet after (about 65 DEG C) converges rear (about 63.8 with the heat-exchanging water after the cooling (about 63 DEG C) in plate heat exchanger
DEG C), cool down side into heat pump heat release, continue heat release cooling in heat pump, later, outflow heat pump heat release cools down side, to changing at first stop
Hot water cyclesystem transporting low temperature (about 25 DEG C) return water.
(temperature is down to return water about 25 to the big temperature difference return water come out from full hydro-thermal pump heat release cooling side by supplying water about 125 DEG C
DEG C), it flows successively through the first steam exhaust condenser of initial station heat-exchanging water-circulation system, the second steam exhaust condenser, increase steam turbine condenser, then
About 125 DEG C are heated to by Gateway Station in Heating Network heater, then divides two-way, heat pump power source is pumped to full hydro-thermal and board-like is changed
Hot device conveys hot water, so constitutes heat-exchanging water-circulation, constantly reciprocal.
Outside networks of heat supply return water (about 50-60 DEG C) is divided into two-way.Wherein all the way outer net return water and heat pump heat absorption heat up side
Water inlet line is connected, and outer net return water is heated up in heat pump to about 110 DEG C；Another way outer net return water and plate-type heat-exchange
Device heat absorbing side water inlet line is connected, and outer net return water is heated up in plate heat exchanger (to about 122 DEG C)；Later, hot
After heat absorption heating side outlet pipe (about 110 DEG C of temperature) and the plate heat exchanger heat absorbing side outlet pipe (about 122 DEG C of temperature) of pump converge
Outside networks of heat supply water outlet is connected, to outside networks of heat supply for the hot water of certain temperature (about 113 DEG C).
Initial station heat-exchanging water-circulation is to recycle exhaust steam in steam turbine heat supply, initial station return water based on increasing steam turbine in the technical program
Temperature is lower, and exhaust steam in steam turbine recycling amount is bigger.It is pumped using full hydro-thermal, big temperature difference return water can be provided for Gateway Station in Heating Network and (returned
Coolant-temperature gage can be down to about 25 DEG C by about 50-60 DEG C), steam exhaust utilization can be greatly improved, cold end amount of energy saving, energy-saving benefit are improved
Also will have greatly improved.
The following progress method of water cycle therein is as follows：
(1) (about 125 DEG C) water supply of Gateway Station in Heating Network high temperature are divided into two-way.
The power source medium that wherein Gateway Station in Heating Network high temperature supplies water as heat pump all the way；Another way Gateway Station in Heating Network high temperature, which supplies water, to be made
For plate heat exchanger cold side medium, to heat outer net low temperature (about 60 DEG C) return water.
Heat pump power source water outlet after cooling (about 65 DEG C) and the heat after the cooling (about 63 DEG C) in plate heat exchanger
Net water converges, and into heat pump heat release cooling side, continues heat release cooling in heat pump, later, outflow heat pump heat release cooling side, to heat
Net initial station transporting low temperature (about 25 DEG C) return water.
Initial station return water temperature in this system, substantially not by temperature and the shadow of heat supply period (just end cold phase and deep cold phase)
It rings.This full hydro-thermal pumping system ensure that initial station return water temperature maintains 25 DEG C and is basically unchanged, so as to ensure to increase vapour accordingly
Machine steam exhaust recycling system can recycle stable operation under big steam amount state.
(2) heat supply network outer net return water (about 60 DEG C) is divided into two-way.
Wherein outer net return water is connected with the heat absorption of heat pump heating water inlet line all the way, and outer net return water is heated in heat pump
It heats up (to about 110 DEG C)；Another way outer net return water is connected with plate heat exchanger heat absorbing side water inlet line, and outer net return water is in plate
It is heated up in formula heat exchanger (to about 122 DEG C)；Later, the heat absorption heating side water outlet of heat pump and plate heat exchanger heat absorbing side
Water outlet mixing, to heat supply network outer net for the hot water of certain temperature (about 113 DEG C).
Due to being divided into " initial station heat-exchanging water-circulation " and " outer net hot net water cycle " two cycles, initial station return water temperature and increasing vapour
Coupling and the relationship of conditioning each other between machine steam exhaust recycling system, heat pump and initial station can slow down significantly.
Embodiment two：
The technical program can promote the use of the medium that the water with certain temperature of other forms is pumped as full hydro-thermal.
That is a kind of full hydro-thermal pumps therrmodynamic system, three road heat transfer mediums of heat pump ontology are all made of water, i.e.,：The power source of heat pump is
The heat release temperature-reducing medium of hot water, heat pump is water, and the heat absorption temperature raising medium of heat pump is also water.This three roads water, can be Gateway Station in Heating Network
Water can also be heat supply network outer net water, can also be other water with certain temperature, according to concrete application needs, rationally into
Row therrmodynamic system planning construction.
Finally it should be noted that：The foregoing is merely the explanations of the utility model, are not intended to limit the utility model, to the greatest extent
The utility model is described in detail in pipe, for those skilled in the art, can still be remembered to aforementioned
The technical solution of load is modified or equivalent replacement of some of the technical features.All spirit in the utility model
Within principle, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of full hydro-thermal pumps therrmodynamic system, including heat pump ontology, high temperature water supply line, low-temperature return water pipeline, the confession of heat supply network outer net
Waterpipe, heat supply network outer net water return pipeline, heat pump power source water inlet line, heat pump power source outlet conduit, heat pump heat release cooling side
Water inlet line, heat pump heat release cooling side outlet conduit, heat pump heat absorption heating side water inlet line, heat pump heat absorption heating side outlet pipe
Road；It is characterized in that：Heat pump power source water inlet line, heat pump heat release cooling side water inlet line connect high temperature water supply line, heat pump
Heat release cooling side outlet conduit connects low-temperature return water pipeline, and heat pump heat absorption heating side water inlet line connects heat supply network outer net water return pipeline, heat
Pumping heat heating side outlet conduit connects heat supply network outer net water supply line；Three road heat transfer mediums of heat pump are water, i.e.,：The power of heat pump
Source is hot water, and the heat release temperature-reducing medium of heat pump is water, and the heat absorption temperature raising medium of heat pump is also water.
2. full hydro-thermal according to claim 1 pumps therrmodynamic system, which is characterized in that heat pump power source outlet conduit imports heat
Pump heat release cooling side water inlet line.
3. full hydro-thermal according to claim 1 pumps therrmodynamic system, which is characterized in that further include plate heat exchanger, it is board-like to change
Hot device cold side seals in heat pump heat release cooling side water inlet line.
4. full hydro-thermal according to claim 3 pumps therrmodynamic system, which is characterized in that heat supply network outer net water return pipeline is divided into two
Heat pump heat absorbing side is accessed on road all the way；Another way then seals in plate heat exchanger heat absorbing side.
5. full hydro-thermal according to claim 4 pumps therrmodynamic system, which is characterized in that the water outlet of plate heat exchanger heat absorbing side converges
Heat pump heat absorption heating side outlet conduit is closed, and connects heat supply network outer net water supply line.
6. full hydro-thermal according to claim 1 pumps therrmodynamic system, which is characterized in that high temperature water supply line comes from heat supply network head
It stands water supply line, low-temperature return water pipeline connects Gateway Station in Heating Network water return pipeline.
7. full hydro-thermal according to claim 1 pumps therrmodynamic system, which is characterized in that three road heat transfer mediums of heat pump are
Water, including Gateway Station in Heating Network water, heat supply network outer net water or other high temperature waste hot water.
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| CN201721724348.0U CN207849524U (en) | 2017-12-13 | 2017-12-13 | A kind of full hydro-thermal pump therrmodynamic system |
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| CN201721724348.0U CN207849524U (en) | 2017-12-13 | 2017-12-13 | A kind of full hydro-thermal pump therrmodynamic system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087948A (en) * | 2017-12-13 | 2018-05-29 | 联合瑞升（北京）科技有限公司 | A kind of full hydro-thermal pump therrmodynamic system |
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- 2017-12-13 CN CN201721724348.0U patent/CN207849524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087948A (en) * | 2017-12-13 | 2018-05-29 | 联合瑞升（北京）科技有限公司 | A kind of full hydro-thermal pump therrmodynamic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Full-water heat pump thermodynamic system Effective date of registration: 20200114 Granted publication date: 20180911 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: UNI-RISING (BEIJING) TECHNOLOGY Co.,Ltd. Registration number: Y2020990000058 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230811 Granted publication date: 20180911 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: UNI-RISING (BEIJING) TECHNOLOGY Co.,Ltd. Registration number: Y2020990000058 |