CN107300203A - Utilize the heat pump heat distribution system and method for across the season storage power taking factory exhaust steam residual heat of soil - Google Patents
Utilize the heat pump heat distribution system and method for across the season storage power taking factory exhaust steam residual heat of soil Download PDFInfo
- Publication number
- CN107300203A CN107300203A CN201710544056.7A CN201710544056A CN107300203A CN 107300203 A CN107300203 A CN 107300203A CN 201710544056 A CN201710544056 A CN 201710544056A CN 107300203 A CN107300203 A CN 107300203A
- Authority
- CN
- China
- Prior art keywords
- heat
- water
- pipeline
- soil
- exhaust steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
- F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses the heat pump heat distribution system and method using across the season storage power taking factory exhaust steam residual heat of soil, it is related to the Steam Turbine of offer exhaust steam, the cooling tower/Air-Cooling Island for reclaiming the condenser of exhaust steam residual heat, discharging delayed heat, the heat exchangers for district heating and water water- to-water heat exchanger that are exchanged heat for heat supply network, the double drive units of thermoelectricity, soil heat exchanger and the water circulating pump for extracting soil thermal storage amount.Specifically heat supply method is：Once net backwater was heated into high-temperature-hot-water and electric power by heat exchangers for district heating and drove thermoelectricity is double to drive units jointly winter, extracted the heat heat supply that soil is stored.Low Soil Temperature backwater is introduced power plant by summer, reclaims exhaust steam in steam turbine waste heat by condenser, thermal substation soil heat exchanger and soil heat exchange are re-fed into after heating, heat is stored.Its advantage is：On the one hand power plant's heat capacity is improved by cross-season heat-storage, on the other hand influence of the reduction winter system power consumption and summer to generated energy, additionally due to realizing concurrent heating using existing concentration pipe network, system investments is greatly reduced.
Description
Technical field
The invention belongs to exhaust steam of electric power plant field of waste heat utilization, and in particular to utilize across the season storage power taking factory exhaust steam residual heat of soil
Heat pump heat distribution system and method.
Background technology
Soil source heat pump Technical comparing is ripe, and application conditions require that annual hot and cold load is tried one's best equilibrium, therefore are mainly used in
Hot-summer and cold-winter area.And for cold district and severe cold area, winter thermal load demands are much larger than summer refrigeration duty demand, soil
Source heat pump technology application is restricted.These regional cogeneration units are more, and conventional cogeneration of heat and power mode also faces heat supply
The problem of scarce capacity.Abundant exhaust steam in steam turbine residual heat resources are contained in power plant, if by the exhaust steam residual heat of summer turbine exhaust
Store into soil, then can effectively realize system concurrent heating to balance winter heat demand so that apply soil source heat pump in this area
Technology is possibly realized.Meanwhile, by recycling exhaust steam residual heat, the heat capacity of power plant will also be increased dramatically.
Conventional soil source heat pump technology winter extracts soil thermal storage amount using electric compression type heat pump, and power consumption is larger.
The system of Solar-ground source heat pump cooperation, summer is soil concurrent heating by solar thermal collector, although be avoided that whole year
The problem of heat is unbalance, but system power consumption can also be further in the case that system investments are larger, floor space is big, and weather is not good
Increase, system operation expense is still higher.And if thermal substation uses high-temperature-hot-water and electric power as the double drive machines of thermoelectricity of driving force
Group extracts soil thermal storage amount, and its efficiency is higher than electric compression type heat pump, so as to reduce system operation cost.In summer, soil is utilized
Low-temperature return water cooling exhaust steam after earth heat exchange, increases the generating capacity of unit, while by reclaiming exhaust steam residual heat, using existing
Central heating network realizes that soil concurrent heating significantly reduces system investments, may be such that system heat capacity, heat supply efficiency, heat supply warp
It is obviously improved in terms of Ji property.
The content of the invention
To solve, conventional soil source heat pump application conditions are limited, power plant's heat capacity is not enough, system power consumption is big, summer shadow
The technical problems such as generated energy is big, system investments are big, floor space is big are rung, the present invention is proposed exhaust steam of electric power plant UTILIZATION OF VESIDUAL HEAT IN and soil
Cross-season heat-storage is organically combined is applied to cold or the thermoelectricity co-generating heat supplying new method of severe cold area there is provided a kind of.This method with
The double units (pump module containing absorption type heat and compression type heat pump module) that drive of thermoelectricity substitute traditional electric compression type heat pump, extract soil
Heat secondary network hot net water is stored, heat capacity is largely increased.The power consumption of Winter heat supply is reduced, summer utilizes
Existing concentration heat supply network introduces low-temperature return water and reclaims power plant steam turbine exhaust steam residual heat, on the one hand adds unit generation ability, another
Aspect has saved system investments.Annual system overall operation efficiency is increased dramatically.
To solve the above problems, the technical solution used in the present invention is：
Using the heat pump heat supply method of across the season storage power taking factory exhaust steam residual heat of soil, this method is concentrated in summer using existing
The exhaust steam residual heat that Steam Turbine is discharged is delivered to thermal substation and stored in soil by heating network, is carried in the winter time by the double units that drive of thermoelectricity
Take the heat that summer stored in soil to carry out heat supply, specifically include below scheme：
1) in the winter time under supplying thermal condition, for vapour system, Steam Turbine, which is drawn gas, introduces heat exchangers for district heating heating hot net water,
The condensate after heat release that draws gas returns to the former condensate system of power plant；Steam Turbine exhaust steam condenses into condenser and discharges heat, by
Cooling tower is dissipated in environment, and exhaust steam condensate returns to the former condensate system of power plant；
For heat supply network water system, once net backwater return power plant is heated into after high-temperature-hot-water by heat exchangers for district heating delivers to heating power
Stand, the double absorption type heat pump modules for driving unit of high-temperature-hot-water driving thermoelectricity extract the heat secondary network that soil is stored in summer
Backwater, then again with returning to power plant after water-water heat exchanger heat exchange cooling；Secondary network backwater sequentially passes through the double suctions for driving unit of thermoelectricity
Receipts formula heat pump module, water-water heat exchanger supply user after heating up step by step；
For circulation, recirculated water is with after soil heat exchange heating, the double suctions for driving unit of thermoelectricity are sent into by water circulating pump
Receipts formula heat pump module cools, and soil is again returned to afterwards and continues to exchange heat, such iterative cycles；
2) reclaimed in summer residual heat under operating mode, for vapour system, Steam Turbine exhaust steam condenses and discharged into condenser
Heat once net backwater, exhaust steam condensate returns to the former condensate system of power plant；
For heat supply network water system, low-temperature primary net backwater is exchanged heat into condenser with Steam Turbine exhaust steam, once net
Thermal substation is delivered to after backwater heating, the soil heat exchanger through circulation is exchanged heat with soil, and condensing is returned again to after cooling
Device is exchanged heat with Steam Turbine exhaust steam, such iterative cycles.
Further, after the heating of once net backwater while the absorption type heat pump module of the double drive units of driving thermoelectricity, by
The double compression type heat pump modules for driving unit of driven by power thermoelectricity, it is common to extract the heat secondary network time that soil is stored in summer
Water, secondary network backwater first passes through the heating of compression type heat pump module and enters back into the heating of absorption type heat pump module.
Using the heat pump heat distribution system of across the season storage power taking factory exhaust steam residual heat of soil, including provide exhaust steam Steam Turbine,
Reclaim exhaust steam residual heat condenser, discharged delayed heat cooling tower/Air-Cooling Island, heat once the heat exchangers for district heating of net backwater,
Extract soil thermal storage amount thermoelectricity it is double drive units, the water-water heat exchanger of heat supply network heat exchange, the soil heat exchanger with soil heat exchange and
Water circulating pump, and connect above-mentioned each equipment to realize that soil storage takes the vapour system, heat supply network water system and circulation of exhaust steam residual heat
Water system, wherein：
1) in the winter time under supplying thermal condition, for vapour system, Steam Turbine draw gas through pipeline and heat exchangers for district heating draw gas into
Mouth is connected, and the condensate that draws gas, which passes through to draw gas with heat exchangers for district heating, condenses the former condensation water system of pipeline return power plant that water out is connected
System；Steam Turbine exhaust steam is connected through pipeline with condenser exhaust steam entrance, and exhaust steam condensate with condenser exhaust steam condensate by going out
The pipeline of mouth connection returns to the former condensate system of power plant；
For heat supply network water system, once net water return pipeline, which is sequentially connected, is followed by heat exchangers for district heating hot water inlet, and heat supply network adds
Hot device hot water outlet is connected to the double drive unit absorption heat pump module generator entrances of thermoelectricity through pipeline successively, and thermoelectricity is double to drive units
The outlet of absorption heat pump module generator is connected through pipeline with water-water heat exchanger primary side hot water inlet, and water-water heat exchanger is once
Side hot water outlet is connected to once net water return pipeline through pipeline, wherein, valve is set respectively in pipeline P2, P4, P5, P7, P9
V1, V4, V5, V7, V8, are connected with by-pass line P23, by-pass line P23 between pipeline P3 and pipeline P6 and set valve
V12, secondary network water return pipeline is connected with the double unit compression heat pump module condensate device entrances that drive of thermoelectricity, and thermoelectricity is double to drive unit compression
Formula heat pump module condensator outlet connects the double drive unit absorption type heat pump module absorber entrances of thermoelectricity, the double drive machines of thermoelectricity through pipeline
The outlet of group absorption heat pump module condensate device is connected with water-water heat exchanger secondary side hot water inlet, water-water heat exchanger secondary side heat
Water out connecting secondary net water supply line；Described valve V1, V4, V5, V7, V8 are opened, and valve V12 is closed；
For circulation, soil heat exchanger outlet passes sequentially through the double units that drive of pipeline P14, P10 connection thermoelectricity and absorbed
Formula heat pump module evaporator inlet, the double unit absorption type heat pump module evaporator outlets that drive of thermoelectricity have two kinds of connected modes, a kind of
It is that the double unit absorption type heat pump module evaporator outlets that drive of thermoelectricity drive unit compression heat pump mould by the way that pipeline P11 connections thermoelectricity is double
Block evaporator inlet, the double unit compression type heat pump module evaporator outlets that drive of thermoelectricity are changed through pipeline P12, P13 connection soil successively
Hot device entrance；Another is directly to connect soil heat exchanger entrance by pipeline P12, P13；Wherein, valve is set on pipeline P10
Door V9, sets valve V10 in pipeline P12, and the water circulating pump 8 that circulation provides power, institute are set in pipeline P13
Valve V9, V10 is stated to open；
2) reclaimed in summer residual heat under operating mode, for vapour system, Steam Turbine exhaust steam enters through pipeline with condenser exhaust steam
Mouth connection, exhaust steam condensate passes through condenses the pipeline return power plant original condensate system that water out is connected with condenser exhaust steam；
For heat supply network water system, once net water return pipeline P1 enters through valve V2 and pipeline connection condenser hot net water successively
Mouthful, condenser heat supply network water out is successively through pipeline, valve V3 connections once net water return pipeline P3, and once net water return pipeline P3 is successively
It is connected to through by-pass line P23, pipeline P6, P24, pipeline P13 on the pipeline before soil heat exchanger entrance, soil heat exchanger outlet
It is connected to through pipeline P14, P25 in once net water return pipeline P1, pipeline P24 in setting valve V6, pipeline P25 and valve V11 is set,
Wherein valve V2, V3, V6, V11, V12 is opened, and valve V1, V4, V5, V7, V8, V9, V10 are turned off.
Further, Steam Turbine can be one group, two groups or multigroup, and every group is correspondingly arranged a condenser and one
Platform heat exchangers for district heating, and Steam Turbine can be wet type cooling unit or indirect air cooling unit.
Further, to clammy or indirect air cooling unit, cooling water water outlet is provided with the hot net water inlet tube of condenser
Pipeline, cooling water inlet pipe road is provided with the heat supply network water outlet pipe of condenser, and is respectively provided with regulating system and reclaims remaining
The valve of heat；To Air-cooled Unit, exhaust steam pipeline is provided with the exhaust steam inlet tube of condenser, exhaust steam pipeline, which is provided with, to be used to adjust
The valve of section system recovery waste heat amount.
Further, in circulation, the soil heat exchanger of recirculated water and soil heat exchange uses multigroup cascade.
It is using the beneficial effect produced by above-mentioned technical proposal：
1. take instant invention overcomes the cold or summer in severe cold area winter and deposit the unbalanced problem of heat, more than Steam Turbine exhaust steam
Heat is used for soil cross-season heat-storage, and exhaust steam residual heat is organically combined using technology with soil source heat pump technology, realizes a variety of clear
The clean energy is complementary.
2. by reclaiming Steam Turbine exhaust steam residual heat, realize being substantially improved for winter power plant's heat capacity.
3. storing heat using the double unit extraction soil that drive of thermoelectricity, system power consumption, operating cost reduction, heat supply are reduced
Efficiency is further lifted.
4. cooling down Steam Turbine exhaust steam by introducing low-temperature return water, summer power plants generating electricity ability is improved.
5. realizing summer soil concurrent heating using existing central heating network, compared to conventional soil source heat pump system, investment is big
Width is reduced and taken up an area few.
Brief description of the drawings
Fig. 1 is (clammy using the heating system and method flow diagram of across the season storage power taking factory exhaust steam residual heat of soil for the present invention
Or indirect air cooling system)；
Fig. 2 is (direct using the heating system and method flow diagram of across the season storage power taking factory exhaust steam residual heat of soil for the present invention
Air cooling system)；
Fig. 3 (is free of for the present invention using the heating system and method flow diagram of across the season storage power taking factory exhaust steam residual heat of soil
Compression type heat pump module)；
Wherein：1. Steam Turbine, 2. condensers, 3. cooling towers/Air-Cooling Island, 4. heat exchangers for district heatings, 5. thermoelectricity are double to drive unit,
6. water-water heat exchanger, 7. soil heat exchangers, 8. water circulating pumps, 21. condenser heat supply network water inlets, 22. condenser hot net waters go out
Mouthful, 23. condenser exhaust steam entrances, 24. condenser exhaust steam condense water out, and 41. heat exchangers for district heating hot water inlets, 42. heat supply networks add
Hot device hot water outlet, 43. heat exchangers for district heating extraction entrances, 44. heat exchangers for district heatings draw gas condensation water out, the double drive machines of 51. thermoelectricity
Group absorption heat pump module generator entrance, 52. thermoelectricity are double to drive the outlet of unit absorption heat pump module generator, and 53. thermoelectricity are double
Unit absorption type heat pump module evaporator inlet is driven, 54. thermoelectricity are double to drive unit absorption type heat pump module evaporator outlet, 55. heat
Electric double drive unit compression type heat pump module evaporator inlets, 56. thermoelectricity are double to drive unit compression type heat pump module evaporator outlets,
57. thermoelectricity is double to drive unit compression heat pump module condensate device entrance, the double unit compression heat pump module condensate devices that drive of 58. thermoelectricity go out
Mouthful, 59. thermoelectricity are double to drive unit absorption type heat pump module absorber entrance, and 60. thermoelectricity are double to drive unit absorption heat pump module condensate
Device is exported, 61. water-water heat exchanger primary side hot water inlets, 62. 63. water of water-water heat exchanger primary side hot water outlet-water heat exchange
Device secondary side hot water inlet, 64. water-water heat exchanger secondary side hot water outlets, 71. soil heat exchanger entrances, 72. soil heat exchangers
Outlet, AHP. thermoelectricity is double to drive unit absorption type heat pump module, and CP. thermoelectricity is double to drive unit compression type heat pump module.
Embodiment
Invention is described in further detail below in conjunction with the accompanying drawings：
The present invention is the heat pump heat distribution system and method using across the season storage power taking factory exhaust steam residual heat of soil, and this method is in the summer
The exhaust steam residual heat that Steam Turbine is discharged is delivered to thermal substation and stored in soil by the existing central heating networks of Ji Liyong, in the winter time by
Thermoelectricity is double to be driven units and extracts the heat that summers are stored in soil and carry out heat supply, and the overall procedure of the heat supply method is：Winter once net
Backwater is confessed after being arranged on the heat exchangers for district heating heating of power plant, and thermal substation is delivered in once net water supply, by high-temperature-hot-water and electric power
The double unit extraction soil that drive of driving thermoelectricity store heat heat supply.Low-temperature primary net backwater is introduced power plant and reclaims Steam Turbine by summer
Exhaust steam residual heat, using existing central heating network to soil concurrent heating.Idiographic flow is as follows：
1) in the winter time under supplying thermal condition, for vapour system, Steam Turbine, which is drawn gas, introduces heat exchangers for district heating heating hot net water,
Condensate returns to the former condensate system of power plant after extraction heat；Steam Turbine exhaust steam condenses into condenser and discharges heat, by cold
But tower is dissipated in environment, and exhaust steam condensate returns to the former condensate system of power plant；
For heat supply network water system, once net backwater return power plant by heat exchangers for district heating heat after deliver to thermal substation driving thermoelectricity
Double absorption type heat pump modules for driving units extract the heat secondary network backwater that is stored in summer of soil, then again with water-water
Power plant is returned after heat exchanger heat exchange cooling；Secondary network backwater sequentially passes through double absorption type heat pump module, the water-water for driving unit of thermoelectricity
Heat exchanger supplies user after heating up step by step；
For circulation, recirculated water is with after soil heat exchange heating, the double suctions for driving unit of thermoelectricity are sent into by water circulating pump
Receipts formula heat pump module cools, and soil is again returned to afterwards and continues to exchange heat, such iterative cycles；
2) reclaimed in summer residual heat under operating mode, for vapour system, Steam Turbine exhaust steam condenses and discharged into condenser
Heat once net backwater, exhaust steam condensate returns to the former condensate system of power plant；
For heat supply network water system, low-temperature primary net backwater is exchanged heat into condenser with Steam Turbine exhaust steam, once net
Thermal substation is delivered to after backwater heating and the soil heat exchanger of circulation is exchanged heat with soil, and condenser is returned again to after cooling
Exchanged heat with Steam Turbine exhaust steam, such iterative cycles.
In the above method, except the absorption type heat pump modules using the double drive units of driving thermoelectricity after the heating of once net backwater,
It is common to extract the heat two that soil is stored in summer also using the double compression type heat pump modules for driving unit of driven by power thermoelectricity
Secondary net backwater, secondary network backwater first passes through the heating of compression type heat pump module and enters back into the heating of absorption type heat pump module, certainly, if
Secondary network heat demand is relatively low, and the double units that drive of thermoelectricity can only open absorption type heat pump module, to reduce investment outlay, the double drive machines of thermoelectricity
Group can also only retain absorption type heat pump module.
Using the heating system of the above method, including provide the Steam Turbine 1 of exhaust steam, reclaim exhaust steam residual heat condenser 2,
Discharged cooling tower/Air-Cooling Island 3 of delayed heat, the thermoelectricity for heating once the heat exchangers for district heating 4 of net backwater, extracting soil thermal storage amount
It is double to drive unit 5, the water-water heat exchanger 6 of heat supply network heat exchange, soil heat exchanger 7 and water circulating pump 8, Yi Jilian with soil heat exchange
Above-mentioned each equipment is connect to realize that soil storage takes the vapour system, heat supply network water system and circulation of exhaust steam residual heat, wherein：
1) in the winter time under supplying thermal condition, for vapour system, Steam Turbine draw gas through pipeline and heat exchangers for district heating draw gas into
Mouth is connected, and the condensate that draws gas, which passes through to draw gas with heat exchangers for district heating, condenses the former condensation water system of pipeline return power plant that water out is connected
System；Steam Turbine exhaust steam is connected through pipeline with condenser exhaust steam entrance, and exhaust steam condensate with condenser exhaust steam condensate by going out
The pipeline of mouth connection returns to the former condensate system of power plant；
For heat supply network water system, once net water return pipeline, which is sequentially connected, is followed by heat exchangers for district heating hot water inlet, and heat supply network adds
Hot device hot water outlet is connected to the double drive unit absorption heat pump module generator entrances of thermoelectricity through pipeline successively, and thermoelectricity is double to drive units
The outlet of absorption heat pump module generator is connected through pipeline with water-water heat exchanger primary side hot water inlet, and water-water heat exchanger is once
Side hot water outlet is connected to once net water return pipeline through pipeline, wherein, valve is set respectively in pipeline P2, P4, P5, P7, P9
V1, V4, V5, V7, V8, are connected with by-pass line P23, by-pass line P23 between pipeline P3 and pipeline P6 and set valve
V12, secondary network water return pipeline is connected with the double unit compression heat pump module condensate device entrances that drive of thermoelectricity, and thermoelectricity is double to drive unit compression
Formula heat pump module condensator outlet connects the double drive unit absorption type heat pump module absorber entrances of thermoelectricity, the double drive machines of thermoelectricity through pipeline
The outlet of group absorption heat pump module condensate device is connected with water-water heat exchanger secondary side hot water inlet, water-water heat exchanger secondary side heat
Water out connecting secondary net water supply line；Described valve V1, V4, V5, V7, V8 are opened, and valve V12 is closed；
For circulation, soil heat exchanger outlet passes sequentially through the double units that drive of pipeline P14, P10 connection thermoelectricity and absorbed
Formula heat pump module evaporator inlet, the double unit absorption type heat pump module evaporator outlets that drive of thermoelectricity have two kinds of connected modes, a kind of
It is that the double unit absorption type heat pump module evaporator outlets that drive of thermoelectricity drive unit compression heat pump mould by the way that pipeline P11 connections thermoelectricity is double
Block evaporator inlet, the double unit compression type heat pump module evaporator outlets that drive of thermoelectricity are changed through pipeline P12, P13 connection soil successively
Hot device entrance；Another is directly to connect soil heat exchanger entrance by pipeline P12, P13；Wherein, valve is set on pipeline P10
Door V9, sets valve V10 in pipeline P12, and the water circulating pump 8 that circulation provides power, institute are set in pipeline P13
Valve V9, V10 is stated to open；
2) reclaimed in summer residual heat under operating mode, for vapour system, Steam Turbine exhaust steam enters through pipeline with condenser exhaust steam
Mouth connection, exhaust steam condensate passes through condenses the pipeline return power plant original condensate system that water out is connected with condenser exhaust steam；
For heat supply network water system, once net water return pipeline P1 enters through valve V2 and pipeline connection condenser hot net water successively
Mouthful, condenser heat supply network water out is successively through pipeline, valve V3 connections once net water return pipeline P3, and once net water return pipeline P3 is successively
It is connected to through by-pass line P23, pipeline P6, P24, P13 on the pipeline before soil heat exchanger entrance, soil heat exchanger is exported through pipe
Road P14, P25 are connected in once net water return pipeline P1, pipeline P24 and set valve V11 in setting valve V6, pipeline P25, wherein
Valve V2, V3, V6, V11, V12 are opened, and valve V1, V4, V5, V7, V8, V9, V10 are turned off.
In circulation, the soil heat exchanger of recirculated water and soil heat exchange uses multigroup cascade.
Embodiment 1：
As shown in figure 1, the present embodiment is clammy or indirect air cooling unit for thermal source, and secondary network heating parameter is higher
The power plant of (such as radiator), Steam Turbine (thermal source) can be one group, two groups or multigroup, and every group is correspondingly arranged a condensing
Device and a heat exchangers for district heating.Illustrated by taking next Steam Turbine as an example, Winter heat supply operating mode and summer residual heat reclaim work
The type of attachment of condition system is as follows：
In the winter time under supplying thermal condition, for vapour system, Steam Turbine is drawn gas to be added into pipeline P26, pipeline P26 with heat supply network
Hot device extraction entrance 43 is connected, and draw gas condensing water conduit P27 and heat exchangers for district heating the condensation water out 44 that draws gas are connected, condensation of drawing gas
Water returns to the former condensate system of power plant.Steam Turbine exhaust steam is connected through pipeline P28 with condenser exhaust steam entrance 23, exhaust steam condensate
Pipeline P29 condenses water out 24 with condenser exhaust steam and is connected, and exhaust steam condensate returns to the former condensate system of power plant.
In the winter time under supplying thermal condition, for heat supply network water system, once net water return pipeline P1, P2, P3 are sequentially connected, and are being entered
It is divided into two-way, i.e. pipeline P4 and by-pass line P23 through threeway before heat exchangers for district heating, wherein, pipeline P4 and heat exchangers for district heating heat
Water inlet 41 is connected, and heat exchangers for district heating hot water outlet 42 is connected with pipeline P5, and pipeline P5 and pipeline P23 converges once to net water supply
Pipeline P6, to thermal substation after be further divided into two-way, i.e. pipeline P7 and pipeline P24 through threeway, wherein, pipeline P7 and thermoelectricity are double to drive units
Absorption heat pump module generator entrance 51 is connected, and pipeline P8 connects the double drive unit absorption heat pump module generators of thermoelectricity respectively
Outlet 52 and water-water heat exchanger primary side hot water inlet 61, pipeline P9 are connected with water-water heat exchanger primary side hot water outlet 62,
Pipeline P9 and pipeline P25 converges returns to power plant for once net water return pipeline P1.Pipeline P24 through threeway distinguish connecting pipe P12,
P13.Secondary network water return pipeline P15 is connected with the double unit compression heat pump module condensate device entrances 57 that drive of thermoelectricity, pipeline P16 difference
Connect the double drive unit compression heat pump module condensate device outlets 58 of thermoelectricity and thermoelectricity pair drives unit absorption type heat pump module absorber
Entrance 59, it is secondary with water-water heat exchanger that pipeline P17 connects the double drive unit absorption heat pump module condensate device outlets 60 of thermoelectricity respectively
Side hot water inlet 63 is connected, and secondary network water supply line P18 is connected with water-water heat exchanger secondary side hot water outlet 64；Wherein, in pipe
Valve V1, V4, V5, V7, V8 are set respectively in road P2, P4, P5, P7, P9, valve V12 is set in by-pass line P23.
In the winter time under supplying thermal condition, for circulation, pipeline P10 steams with the double unit absorption type heat pump modules that drive of thermoelectricity
Hair device entrance 53 is connected, and sets valve V9, pipeline P11 to be steamed respectively with the double unit absorption type heat pump modules that drive of thermoelectricity on pipeline P10
Send out device outlet 54 and the double unit compression type heat pump module evaporator inlets 55 that drive of thermoelectricity are connected, pipeline P12 drives units with thermoelectricity pair
Compression type heat pump module evaporator outlet 56 is connected, and sets valve V10, pipeline P12 and pipeline P24 to converge for pipe on pipeline P12
Water circulating pump 8 is set on road P13, pipeline P13 power is provided as the circulatory system, then be connected with soil heat exchanger entrance 71, pipeline P14
It is connected with soil heat exchanger outlet 72, pipeline P14 and pipeline P25 converges connecting pipe P10.
Reclaimed in summer residual heat under operating mode, for vapour system, Steam Turbine exhaust steam enters pipeline P28 and condenser exhaust steam
Entrance 23 is connected, and exhaust steam condensing water conduit P29 condenses water out 24 with condenser exhaust steam and is connected, and exhaust steam condensate returns to former condense
Water system.
Reclaimed in summer residual heat under operating mode, for heat supply network water system, once net water return pipeline P1 is through threeway and pipeline P19 companies
Connect, pipeline P19 and pipeline P30 converge for pipeline P20, are connected with condenser heat supply network water inlet 21, pipeline P21 and condenser heat supply network
Water out 22 is connected, and pipeline P21 is divided into pipeline P31 and pipeline P22 through threeway, then is connected through threeway with pipeline P3.Pipeline P3 is passed through
Threeway is connected with by-pass line P23, then is connected through threeway with heat supply network water supply line P6.Through threeway and pipeline P24 after to thermal substation
Connection, pipeline P24 is connected through threeway with pipeline P13 again.Pipeline P13 is connected with soil heat exchanger entrance 71, pipeline P14 and soil
Heat exchanger exit 72 is connected, and pipeline P14 is connected through threeway with pipeline P25, then is connected through threeway with once net water return pipeline P1；Its
In valve V2, V3, V6, V11 are set respectively on pipeline P19, P22, P24, P25.
The course of work that Winter heat supply operating mode described above and summer residual heat reclaim operating mode is respectively：
In the winter time under supplying thermal condition, Steam Turbine is drawn gas and heats once net backwater into heat exchangers for district heating, is drawn gas after heat release
Condensate returns to the former condensate system of power plant.Steam Turbine exhaust steam is exchanged heat into condenser, and the heat after heat exchange is arranged through cooling tower
Put into environment, exhaust steam condensate is through returning to the former condensate system of power plant after heat release.Once net backwater is heated through heat exchangers for district heating
After confess, deliver to that thermoelectricity is double to drive unit absorption heat pump module drive generators, then enter back into water-water heat exchanger heat exchange, change
Net backwater is formed once after heat and returns to power plant.Secondary network backwater initially enters the double compression type heat pump module heatings for driving unit of thermoelectricity
Afterwards, then further heated up into the double absorption type heat pump modules for driving units of thermoelectricity, then after being further heated up through water-water heat exchanger
Supply user.Wherein, the double compression type heat pump modules and absorption type heat pump module for driving units of thermoelectricity, by circulation from burying
Soil heat exchanger heat exchange extraction summer in soil stores the exhaust steam residual heat in soil, and recirculated water is exported by soil heat exchanger
The double absorption type heat pump module coolings for driving unit of thermoelectricity are introduced into through water circulating pump, the double compression type heats for driving unit of thermoelectricity are entered back into
Pump module further cools, and soil heat exchanger entrance is entered after cooling, again with soil heat exchange, and such iterative cycles extract soil
The exhaust steam residual heat stored in earth.Wherein valve V1, V4, V5, V7, V8, V9, V10 is opened, and valve V2, V3, V6, V11, V12 are closed
Close, pass through control valve V13, V14 aperture regulation cooling tower heat dissipation capacity.
Reclaimed in summer residual heat under operating mode, the exhaust steam of Steam Turbine exchanges heat into condenser, the heat after heat exchange is used to add
Hot once net backwater, and deliver to thermal substation to store in soil, exhaust steam condensate condenses water system through returning to power plant's original after heat release
System.Once net backwater enters after condenser heat exchange heating, sequentially passes through and enters soil after pipeline P22, P3, P23, P6, P24, P13
Heat exchanger, with after soil heat exchange, entering pipeline P25 by soil heat exchanger outlet 72, and converge to once in soil heat exchanger
Power plant is returned after net water return pipeline P1.Wherein valve V2, V3, V6, V11, V12 is opened, valve V1, V4, V5, V7, V8, V9, V10
Close, pass through control valve V13, V14 aperture regulation cooling tower heat dissipation capacity.
Embodiment 2：
As shown in Fig. 2 the present embodiment utilizes system for Direct Air-cooled Unit exhaust steam residual heat.Steam Turbine (thermal source) can be with
It it is one group, two groups or multigroup, every group is correspondingly arranged a condenser and a heat exchangers for district heating.System body equipment is matched somebody with somebody
Put, jet chimney, heat supply network waterpipe and circulating water pipeline type of attachment and Winter heat supply operating mode, summer residual heat reclaim operating mode system
The method of operation of uniting is same as Example 1.
Difference from Example 1 is that both exhaust steam cold end types of attachment are different：Unnecessary exhaust steam heat in embodiment 1
Radiating is taken away by cooling water outlet pipe road P30 and cooling water inlet pipe road P31, passes through control valve V13, V14 aperture regulation
Cooling tower heat dissipation capacity.And by setting exhaust steam pipeline P31 to introduce Air-Cooling Island on the exhaust steam inlet tube of condenser in the present embodiment
Radiating, and control valve V13 is set on exhaust steam pipeline P31, pass through control valve V13 aperture regulation Air-Cooling Island heat dissipation capacities.
Embodiment 3：
As shown in figure 3, the present embodiment is for the relatively low system (such as floor panel heating) of secondary network heating parameter, steam turbine
Group (thermal source) can be one group, two groups or multigroup, and every group is correspondingly arranged a condenser and a heat exchangers for district heating.System
Jet chimney, heat supply network waterpipe type of attachment and Winter heat supply operating mode, summer residual heat reclaim the working condition system method of operation with reality
Apply example 1 identical.
Difference from Example 1 is：Because secondary network heating parameter is relatively low, the double units that drive of thermoelectricity only remain absorption
The connected mode of heat supply network water system and circulation is different under formula heat pump module, Winter heat supply operating mode, is specially：
To heat supply network water system, primary side connected mode is same as Example 1, and secondary side connected mode is slightly different.It is secondary
Net water return pipeline P15 is connected with the double unit absorption type heat pump module absorber entrances 59 that drive of thermoelectricity, eliminates the double drive units of thermoelectricity
The series connectors of compression heat pump module condensate device.
To circulation, thermoelectricity is double drive unit absorption type heat pump module evaporator outlets 54 directly by pipeline P12,
P13 connection soil heat exchangers entrance 71, eliminates the double series connectors for driving unit compression type heat pump module evaporator of thermoelectricity.
Each equipment is described as follows：
1. Steam Turbine, determines according to the output of cogeneration of heat and power, is common equipment；
2. condenser, is determined according to waste heat recovery volume and heating-up temperature, clammy or indirect air cooling system can use original equipment,
But operational factor must be checked.Direct air cooling system must be newly established, and be non-standard de-sign equipment；
It is common equipment 3. cooling tower/Air-Cooling Island, is determined by cooling steam amount；
4. heat exchangers for district heating, is common equipment according to parameter and the heating load determination of drawing gas；
5. thermoelectricity is double to drive unit, determined according to once net, secondary network heat supply temperature, the soil moisture, be non-standard de-sign equipment；
It is common equipment 6. water-water heat exchanger, is determined according to heat exchange amount；
It is common equipment 7. soil heat exchanger, is determined according to heat exchange amount；
8. water circulating pump, determines according to circulating water flow and resistance, is common equipment.
Claims (6)
1. utilize the heat pump heat supply method of across the season storage power taking factory exhaust steam residual heat of soil, it is characterised in that：This method is in summer profit
The exhaust steam residual heat that Steam Turbine is discharged is delivered into thermal substation with existing central heating network and stored in soil, in the winter time by thermoelectricity
It is double drive units and extract the heat that summers are stored in soil carry out heat supply, specifically include below scheme：
1) in the winter time under supplying thermal condition, for vapour system, Steam Turbine, which is drawn gas, introduces heat exchangers for district heating heating hot net water, draws gas
Condensate returns to the former condensate system of power plant after heat release；Steam Turbine exhaust steam condenses into condenser and discharges heat, by cooling down
Tower is dissipated in environment, and exhaust steam condensate returns to the former condensate system of power plant；
For heat supply network water system, once net backwater return power plant is heated into after high-temperature-hot-water by heat exchangers for district heating delivers to thermal substation,
The double absorption type heat pump modules for driving unit of high-temperature-hot-water driving thermoelectricity extract the heat secondary network time that soil is stored in summer
Water, then again with returning to power plant after water-water heat exchanger heat exchange cooling；Secondary network backwater sequentially passes through the double absorptions for driving unit of thermoelectricity
Formula heat pump module, water-water heat exchanger supply user after heating up step by step；
For circulation, recirculated water is with after soil heat exchange heating, the absorption of the double drive units of thermoelectricity is sent into by water circulating pump
Heat pump module cools, and soil is again returned to afterwards and continues to exchange heat, such iterative cycles；
2) reclaimed in summer residual heat under operating mode, for vapour system, Steam Turbine exhaust steam condenses into condenser and discharges heat
Once net backwater is heated, exhaust steam condensate returns to the former condensate system of power plant；
For heat supply network water system, low-temperature primary net backwater is exchanged heat into condenser with Steam Turbine exhaust steam, once net backwater
Thermal substation is delivered to after heating, the soil heat exchanger through circulation is exchanged heat with soil, returned again to after cooling condenser with
Steam Turbine exhaust steam is exchanged heat, such iterative cycles.
2. the heat pump heat supply method of across the season storage power taking factory exhaust steam residual heat of utilization soil according to claim 1, its feature
It is：After the heating of once net backwater while the absorption type heat pump module of the double drive units of driving thermoelectricity, by driven by power thermoelectricity
Double compression type heat pump modules for driving unit, common to extract the heat secondary network backwater that soil is stored in summer, secondary network is returned
Water first passes through the heating of compression type heat pump module and enters back into the heating of absorption type heat pump module.
3. utilize the heat pump heat distribution system of across the season storage power taking factory exhaust steam residual heat of soil, it is characterised in that：Including providing exhaust steam
Steam Turbine (1), the condenser (2) for reclaiming exhaust steam residual heat, the cooling tower/Air-Cooling Island (3) for discharging delayed heat, heat once net
The heat exchangers for district heating (4) of backwater, extract soil thermal storage amount thermoelectricity it is double drive units (5), the water-water heat exchanger (6) of heat supply network heat exchange,
With the soil heat exchanger (7) and water circulating pump (8) of soil heat exchange, and the above-mentioned each equipment of connection exhaust steam is taken to realize that soil stores
Vapour system, heat supply network water system and the circulation of waste heat, wherein：
1) in the winter time under supplying thermal condition, for vapour system, Steam Turbine (1) is drawn gas through pipeline and heat exchangers for district heating extraction entrance
(43) connection, the condensate that draws gas, which passes through to draw gas with heat exchangers for district heating, condenses the pipeline return power plant original condensation that water out (44) is connected
Water system；Steam Turbine exhaust steam is connected through pipeline with condenser exhaust steam entrance (23), and exhaust steam condensate passes through and condenser exhaust steam
The pipeline for condensing water out (24) connection returns to the former condensate system of power plant；
For heat supply network water system, once net water return pipeline (P1), (P2), (P3), (P4), which are sequentially connected, is followed by heat exchangers for district heating
Hot water inlet (41), heat exchangers for district heating hot water outlet (42) is connected to the double drive units of thermoelectricity through pipeline (P5), (P6), (P7) successively
Absorption heat pump module generator entrance (51), the double unit absorption heat pump module generator outlets (52) of driving of thermoelectricity are through pipeline
(P8) it is connected with water-water heat exchanger primary side hot water inlet (61), water-water heat exchanger primary side hot water outlet (62) is through pipeline
(P9) once net water return pipeline (P1) is connected to, wherein, valve is set respectively in pipeline (P2), (P4), (P5), (P7), (P9)
Door (V1), (V4), (V5), (V7), (V8), are connected with by-pass line (P23), bypass pipe between pipeline (P3) and pipeline (P6)
Valve (V12), secondary network water return pipeline and thermoelectricity double drive unit compression heat pump module condensate device entrances are set in road (P23)
(57) connect, it is absorption through the double drive units of pipeline connection thermoelectricity that thermoelectricity pair drives unit compression heat pump module condensate devices outlet (58)
Heat pump module absorber entrance (59), thermoelectricity is double to drive unit absorption heat pump module condensate device outlet (60) and water-water heat exchanger
Secondary side hot water inlet (63) connects, water-water heat exchanger secondary side hot water outlet (64) connecting secondary net water supply line；The valve
Door (V1), (V4), (V5), (V7), (V8) are opened, and valve (V12) is closed；
For circulation, soil heat exchanger outlet (72) passes sequentially through the double units that drive of pipeline (P14) (P10) connection thermoelectricity and inhaled
Receipts formula heat pump module evaporator inlet (53), the double unit absorption type heat pump module evaporator outlets (54) that drive of thermoelectricity have two kinds of connections
Mode, one kind is that the double unit absorption type heat pump module evaporator outlets (54) that drive of thermoelectricity connect the double drives of thermoelectricity by pipeline (P11)
Unit compression type heat pump module evaporator inlet (55), thermoelectricity is double to drive unit compression type heat pump module evaporator outlet (56) successively
Through pipeline (P12), (P13) connection soil heat exchanger entrance (71)；Another is directly to connect soil by pipeline (P12), (P13)
Earth heat exchanger entrance (71)；Wherein, valve (V9) is set on pipeline (P10), valve (V10) is set in pipeline (P12),
The water circulating pump (8) that circulation provides power is set in pipeline (P13), the valve (V9), (V10) are opened；
2) reclaimed in summer residual heat under operating mode, for vapour system, Steam Turbine exhaust steam is through pipeline and condenser exhaust steam entrance
(23) connect, exhaust steam condensate passes through the pipeline return power plant original being connected with condenser exhaust steam condensation water out (24) and condenses water system
System；
For heat supply network water system, once net water return pipeline (P1) is successively through valve (V2) and pipeline connection condenser heat supply network water inlet
(21), condenser heat supply network water out (22) connects once net water return pipeline (P3) through pipeline, valve (V3) successively, once net backwater
Pipeline (P3) is connected to soil heat exchanger entrance (71) through by-pass line (P23), pipeline (P6), (P24), pipeline (P13) successively
On preceding pipeline, soil heat exchanger outlet (72) is connected to once net water return pipeline (P1), pipeline through pipeline (P14), (P25)
(P24) valve (V6) is set in, valve (V11) is set in pipeline (P25), wherein valve (V2), (V3), (V6), (V11),
(V12) open, valve (V1), (V4), (V5), (V7), (V8), (V9), (V10) are turned off.
4. the heat pump heat distribution system of across the season storage power taking factory exhaust steam residual heat of utilization soil according to claim 3, its feature
It is：Steam Turbine can be one group, two groups or multigroup, and every group is correspondingly arranged a condenser and a heat supply network heating
Device, and Steam Turbine can be wet type cooling unit or indirect air cooling unit.
5. the heat pump heat distribution system of across the season storage power taking factory exhaust steam residual heat of utilization soil according to claim 4, its feature
It is：To clammy or indirect air cooling unit, cooling water outlet pipe road is provided with the hot net water inlet tube of condenser, in condenser
Heat supply network water outlet pipe be provided with cooling water inlet pipe road, and be respectively provided with the valve of regulating system recovery waste heat amount；It is right
Air-cooled Unit, is provided with exhaust steam pipeline, exhaust steam pipeline, which is provided with, to be used for more than regulating system recovery on the exhaust steam inlet tube of condenser
The valve of heat.
6. the heat pump heat supply system of across the season storage power taking factory exhaust steam residual heat of utilization soil according to claim any one of 3-5
System, it is characterised in that：In circulation, the soil heat exchanger of recirculated water and soil heat exchange uses multigroup cascade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544056.7A CN107300203B (en) | 2017-07-05 | 2017-07-05 | Heat pump heating system and method for accumulating waste heat of dead steam of power plant by utilizing soil in cross-season mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544056.7A CN107300203B (en) | 2017-07-05 | 2017-07-05 | Heat pump heating system and method for accumulating waste heat of dead steam of power plant by utilizing soil in cross-season mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107300203A true CN107300203A (en) | 2017-10-27 |
| CN107300203B CN107300203B (en) | 2023-08-29 |
Family
ID=60136364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710544056.7A Active CN107300203B (en) | 2017-07-05 | 2017-07-05 | Heat pump heating system and method for accumulating waste heat of dead steam of power plant by utilizing soil in cross-season mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107300203B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105831A (en) * | 2017-12-04 | 2018-06-01 | 大连葆光节能空调设备厂 | A kind of glass factory's low temperature exhaust heat recycling system |
| CN109724135A (en) * | 2019-01-28 | 2019-05-07 | 西安华新新能源股份有限公司 | A kind of big temperature-difference central heating system using electric compression heat pump |
| CN110185591A (en) * | 2019-07-05 | 2019-08-30 | 河北道荣新能源科技有限公司 | A kind of photo-thermal power generation energy supplying system for agricultural industry garden |
| CN111692777A (en) * | 2020-06-15 | 2020-09-22 | 云能科技有限公司 | Active energy storage type all-year-round supply system of centralized heat supply network and control method thereof |
| CN111706897A (en) * | 2020-06-28 | 2020-09-25 | 燕山大学 | Thermoelectric double-drive heat pump system for storing waste heat of power plant in winter and summer by utilizing soil cross-season |
| CN115507404A (en) * | 2022-09-28 | 2022-12-23 | 清华大学 | Cross-season water and heat combined storage and supply system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU145203U1 (en) * | 2014-04-03 | 2014-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | HEAT ELECTRIC STATION |
| CN104481611A (en) * | 2014-12-26 | 2015-04-01 | 北京中科华誉能源技术发展有限责任公司 | Dead steam waste heat recovery system based on large temperature difference heat exchange technology |
| CN204421140U (en) * | 2014-12-26 | 2015-06-24 | 燕山大学 | The big thermoelecrtic unit exhaust steam residual heat recovery system that a kind of low vacuum is combined with heat pump techniques |
| CN206905080U (en) * | 2017-07-05 | 2018-01-19 | 燕山大学 | A kind of heat pump heat distribution system using across the season storage power taking factory exhaust steam residual heat of soil |
-
2017
- 2017-07-05 CN CN201710544056.7A patent/CN107300203B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU145203U1 (en) * | 2014-04-03 | 2014-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | HEAT ELECTRIC STATION |
| CN104481611A (en) * | 2014-12-26 | 2015-04-01 | 北京中科华誉能源技术发展有限责任公司 | Dead steam waste heat recovery system based on large temperature difference heat exchange technology |
| CN204421140U (en) * | 2014-12-26 | 2015-06-24 | 燕山大学 | The big thermoelecrtic unit exhaust steam residual heat recovery system that a kind of low vacuum is combined with heat pump techniques |
| CN206905080U (en) * | 2017-07-05 | 2018-01-19 | 燕山大学 | A kind of heat pump heat distribution system using across the season storage power taking factory exhaust steam residual heat of soil |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105831A (en) * | 2017-12-04 | 2018-06-01 | 大连葆光节能空调设备厂 | A kind of glass factory's low temperature exhaust heat recycling system |
| CN109724135A (en) * | 2019-01-28 | 2019-05-07 | 西安华新新能源股份有限公司 | A kind of big temperature-difference central heating system using electric compression heat pump |
| CN110185591A (en) * | 2019-07-05 | 2019-08-30 | 河北道荣新能源科技有限公司 | A kind of photo-thermal power generation energy supplying system for agricultural industry garden |
| CN110185591B (en) * | 2019-07-05 | 2024-06-25 | 河北道荣新能源科技有限公司 | Photo-thermal power generation energy supply system for agricultural industrial park |
| CN111692777A (en) * | 2020-06-15 | 2020-09-22 | 云能科技有限公司 | Active energy storage type all-year-round supply system of centralized heat supply network and control method thereof |
| CN111692777B (en) * | 2020-06-15 | 2024-02-09 | 云能科技有限公司 | Active energy storage type annual supply system of centralized heating network and control method thereof |
| CN111706897A (en) * | 2020-06-28 | 2020-09-25 | 燕山大学 | Thermoelectric double-drive heat pump system for storing waste heat of power plant in winter and summer by utilizing soil cross-season |
| CN115507404A (en) * | 2022-09-28 | 2022-12-23 | 清华大学 | Cross-season water and heat combined storage and supply system and method |
| CN115507404B (en) * | 2022-09-28 | 2024-04-26 | 清华大学 | Cross-season water-saving heat-combined storage and supply system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107300203B (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107300203A (en) | Utilize the heat pump heat distribution system and method for across the season storage power taking factory exhaust steam residual heat of soil | |
| CN101619662B (en) | Method for recovering waste heat of thermal power plant and heating and supplying heat to hot water in a stepping way | |
| CN100507375C (en) | Large temperature-difference central heating system | |
| CN201181044Y (en) | Large-temperature difference central heating unit | |
| CN110469835A (en) | Thermoelectricity decoupled system and operation method based on absorption heat pump and thermal storage equipment | |
| CN207394945U (en) | A kind of step heating system using combined heat pump recycling exhaust steam of electric power plant waste heat | |
| CN110454764A (en) | A kind of the thermoelectricity decoupled system and operation method of cogeneration units | |
| CN201062838Y (en) | Central heating system for thermoelectric plant circulating water | |
| CN102278786B (en) | Central heating system using waste heat of direct air cooling power plant | |
| CN107461728B (en) | Electric heat accumulating boiler heat regenerating system for peak shaving | |
| CN107687663A (en) | Heating system and heat supply method are reclaimed in a kind of heat pump combined exhaust steam of polymorphic type | |
| CN204757076U (en) | Steam power plant's heat supply hydrophobic waste heat recovery system of drawing gas | |
| CN102607090B (en) | A kind of big temperature-difference central heating system of utilization industrial exhaust heat | |
| CN207849525U (en) | A kind of increasing steam turbine steam exhaust recycling and full hydro-thermal pump combining heating system | |
| CN206905080U (en) | A kind of heat pump heat distribution system using across the season storage power taking factory exhaust steam residual heat of soil | |
| CN204693371U (en) | One directly reclaims turbine discharge waste heat and heat-setting water system | |
| CN106969400A (en) | A kind of band can peak regulation energy storage canister electric compression heat pump waste heat recovery heating system | |
| CN206973674U (en) | A kind of band can peak regulation energy storage canister electric compression heat pump waste heat recovery heating system | |
| CN108613237A (en) | A kind of thermal power cogeneration central heating system based on temperature counterpart cascade utilization | |
| CN108131709A (en) | A kind of increasing steam turbine steam exhaust recycling pumps combining heating system with full hydro-thermal | |
| CN208871717U (en) | A kind of across season multi-level phase change heat reservoir suitable for high back pressure thermal power plant unit | |
| CN207797180U (en) | A kind of heat pump combined steam exhaust recycling heating system of polymorphic type | |
| CN106402981A (en) | Large-temperature-difference waste heat recovery heat supply unit for electric drive heat pumps | |
| CN102384515B (en) | Absorption type refrigeration and heat exchange heat and power cogeneration heating system | |
| CN102278785B (en) | Energy-saving combined heat and power type heat supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |