CN108036386A - A kind of multipurpose energy supplying system provided multiple forms of energy to complement each other - Google Patents

A kind of multipurpose energy supplying system provided multiple forms of energy to complement each other Download PDF

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Publication number
CN108036386A
CN108036386A CN201711328015.0A CN201711328015A CN108036386A CN 108036386 A CN108036386 A CN 108036386A CN 201711328015 A CN201711328015 A CN 201711328015A CN 108036386 A CN108036386 A CN 108036386A
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China
Prior art keywords
energy
water
valve
heat pump
heating
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CN201711328015.0A
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Chinese (zh)
Inventor
冯澎湃
郑鑫
郭松
邱泽晶
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National Power Science Research Institute (wuhan) Energy Efficiency Test Co Ltd
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
NARI Group Corp
Original Assignee
National Power Science Research Institute (wuhan) Energy Efficiency Test Co Ltd
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
NARI Group Corp
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Application filed by National Power Science Research Institute (wuhan) Energy Efficiency Test Co Ltd, State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, NARI Group Corp filed Critical National Power Science Research Institute (wuhan) Energy Efficiency Test Co Ltd
Priority to CN201711328015.0A priority Critical patent/CN108036386A/en
Publication of CN108036386A publication Critical patent/CN108036386A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/003—Central heating systems using heat accumulated in storage masses water heating system combined with solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
    • F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/40—Geothermal heat-pumps

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Water Supply & Treatment (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a kind of multipurpose energy supplying system provided multiple forms of energy to complement each other, including solar energy heating module, electrical heating module and the earth source heat pump power module being connected on same circulation heating pipeline；Circulation heating pipeline is equipped with water inlet pipe, influent side valve and feed pump；Solar energy heating module includes heat exchanger, solar thermal collector and the circulation heating tube for connecting heat exchanger and solar thermal collector being arranged on circulation heating pipeline, and water circulating pump and solar energy heating valve are additionally provided with circulation heating tube；Electrical heating module includes high-temperature heat accumulation device, terminal electric heater and the steam-water separator being arranged on circulation heating pipeline, and paddy electricity regenerative apparatus is equipped with high-temperature heat accumulation device, terminal electric heater unit is equipped with terminal electric heater；Earth source heat pump power module includes being used for switching the water route switching mechanism of hot water source in circulation heating pipeline, the heat pump unit being arranged on circulation heating pipeline and with water terminal.

Description

A kind of multipurpose energy supplying system provided multiple forms of energy to complement each other
Technical field
The present invention relates to green energy resource applied technical field, and in particular to a kind of multipurpose energy supplying system provided multiple forms of energy to complement each other.
Background technology
Energy shortage has become the big problem of facing mankind, promotes the use of solar energy this regenerative resource very big Can alleviate energy shortage problem in degree, some existing systems using it is pure it is solar powered by the way of, but this system is in the sun Can electricity shortage and run out of system energy storage device storage electric energy after cannot work normally.To adapt to energy supply and demand lattice Office's new change, new trends international energy development, ensure national energy security.The energy supplying system provided multiple forms of energy to complement each other is related in supply side Various energy resources form, the energy products for providing diversified forms are sought in terminal user's side force.
The content of the invention
Present invention aim to the deficiency for existing apparatus, there is provided a kind of multipurpose energy supply system to provide multiple forms of energy to complement each other The characteristics of system, it combines the regenerative resource such as solar energy, geothermal energy, consider the energy supply cost impact that power grid time-of-use tariffs are brought, Using devices such as CPC concentrating solar collectors, earth source heat pump, high-temperature heat accumulation device, steam-water separators, system is provided to the user It is cold, heating, domestic hot-water, the multiple product such as steam.
To achieve the above object, a kind of multipurpose energy supplying system provided multiple forms of energy to complement each other according to the present invention, it includes connection Solar energy heating module, electrical heating module and earth source heat pump power module on same circulation heating pipeline；
The circulation heating pipeline is equipped with water inlet pipe, influent side valve and feed pump；
The solar energy heating module includes heat exchanger, solar thermal collector and the use being arranged on circulation heating pipeline In connection heat exchanger and the circulation heating tube of solar thermal collector, be additionally provided with the circulation heating tube water circulating pump and Solar energy heating valve；
The electrical heating module includes high-temperature heat accumulation device, terminal electric heater and the vapour being arranged on circulation heating pipeline Separator, the high-temperature heat accumulation device is interior to be equipped with paddy electricity regenerative apparatus, and being equipped with terminal electrical heating in the terminal electric heater fills Put
The earth source heat pump power module includes being used for the water route switching machine for switching hot water source in circulation heating pipeline Structure, the heat pump unit being arranged on circulation heating pipeline and with water terminal, the water route switching mechanism respectively with heat pump unit and Connected with water terminal, water terminal and the heat pump unit are so as to be formed into a loop.
Further, the water route switching mechanism of the earth source heat pump power module is included for by electrical heating module and too It is positive can the solar steam path valve that leads directly to of heating module, for by with the heat pump that water terminal and electrical heating module are led directly into Water side valve door, for the solar energy direct-furnish hot water passageway valve that will be led directly to water terminal and solar energy heating module, for by heat The heat pump steam passage valve that pump assembly is led directly to electrical heating module, and the hot water terminal valve being opened and closed for control with water terminal Door.
Further, the water terminal includes domestic water end, adopts hot junction, refrigeration end, the domestic water end and water Road switching mechanism connection, the refrigeration end are connected with heat pump unit.
Further, described adopt is additionally provided with drainpipe between hot junction and refrigeration end.
Further, expansion tank is additionally provided with the circulation heating tube, between the expansion tank and circulation heating tube also Equipped with pressure reducing valve.
Further, it is additionally provided with circulatory system valve on the circulation heating pipeline.
Further, steam outlet pipe is additionally provided with the steam-water separator, steaming is additionally provided with the steam outlet pipe Steam valve door.
As preference, underground pipe is also associated with the heat pump unit.
The advantage of the invention is that：It combines the characteristics of regenerative resource such as solar energy, geothermal energy, considers power grid peak valley The energy supply cost impact that electricity price is brought, utilizes CPC concentrating solar collectors, earth source heat pump, high-temperature heat accumulation device, carbonated drink point From devices such as devices, refrigeration is provided to the user, heat, domestic hot-water, the multiple product such as steam.From a cost perspective, solar energy The energy supply cost of heat collector is almost nil, and the energy is utilized for override, and heat pump is inhaled while a small amount of high-quality heat is consumed Low-quality heat is received, so as to produce the middle quality heat more than consumption of calorie, preferentially utilizes the energy at the same time for time level-one, heat pump Also there is refrigeration energy supply, under normal circumstances, electric-net valley-electricity price only has peak electricity half or so, makes full use of time-of-use tariffs, not only Energy supply cost can be effectively reduced, Electricity Investment can be reduced with peak load shifting, lift power supply reliability.
Brief description of the drawings
Fig. 1 is the system composition schematic diagram of the present invention；
Fig. 2 is the structure diagram of water route switching mechanism；
Fig. 3 is the structure diagram of list U heat collectors；
Fig. 4 is the structure diagram of double U heat collectors；
Fig. 5 is the structure diagram of three U heat collectors.
In figure：Circulation heating pipeline 1 is (wherein：Water inlet pipe 1.1, influent side valve 1.2, feed pump 1.3, circulatory system valve Door 1.4), solar energy heating module 2 (wherein：Heat exchanger 2.1, solar thermal collector 2.2, circulation heating tube 2.3, recirculated water Pump 2.4, solar energy heating valve 2.5, expansion tank 2.6, pressure reducing valve 2.7), electrical heating module 3 (wherein：High-temperature heat accumulation device 3.1, paddy Electric heat-storage device 3.1.1, terminal electric heater 3.2, terminal electric heater unit 3.2.1, steam-water separator 3.3, steam outlet pipe 3.3.1, steam valve 3.3.2), using function module 4 (wherein：Heat pump unit 4.1, underground pipe 4.1.1, with water terminal 4.2, Domestic water end 4.2.1, adopt hot junction 4.2.2, refrigeration end 4.2.3, drainpipe 4.2.4, solar steam path valve 4.3, Heat pump influent side valve 4.4, solar energy direct-furnish hot water passageway valve 4.5, heat pump steam passage valve 4.6, hot water terminal valve 4.7)。
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Such as Fig. 1~2, a kind of multipurpose energy supplying system provided multiple forms of energy to complement each other, it includes being connected to same circulation heating pipeline 1 On solar energy heating module 2, electrical heating module 3 and use function module 4；
The circulation heating pipeline 1 is equipped with water inlet pipe 1.1, influent side valve 1.2 and feed pump 1.3, and the circulation supplies Circulatory system valve 1.4 is additionally provided with pipe line 1.
The solar energy heating module 2 includes heat exchanger 2.1, the solar thermal collector being arranged on circulation heating pipeline 1 2.2 and for connecting the circulation heating tube 2.3 of heat exchanger 2.1 and solar thermal collector 2.2, the circulation heating tube 2.3 On be additionally provided with water circulating pump 2.4 and solar energy heating valve 2.5, expansion tank 2.6, institute are additionally provided with the circulation heating tube 2.3 State and pressure reducing valve 2.7 is additionally provided between expansion tank 2.6 and circulation heating tube 2.3.
The electrical heating module 3 includes high-temperature heat accumulation device 3.1, the terminal electric heater being arranged on circulation heating pipeline 1 3.2 and steam-water separator 3.3, paddy electricity regenerative apparatus 3.1.1, the terminal electric heater are equipped with the high-temperature heat accumulation device 3.1 Terminal electric heater unit 3.2.1 is equipped with 3.2, steam outlet pipe 3.3.1, the steaming are additionally provided with the steam-water separator 3.3 Steam valve 3.3.2 is additionally provided with vapor outlet pipe 3.3.1.
It is described using function module 4 include be used for switch hot water source in circulation heating pipeline 1 water route switching mechanism, The heat pump unit 4.1 that is arranged on circulation heating pipeline 1 and with water terminal 4.2, the water route switching mechanism respectively with heat pump machine Group 4.1 is connected with water terminal 4.2, it is described with water terminal 4.2 and heat pump unit 4.1 so as to be formed into a loop.It is described to use function The water route switching mechanism of module 4 includes being used to lead to the solar steam that electrical heating module 3 is led directly to solar energy heating module 2 Road valve 4.3, for the heat pump influent side valve 4.4 that will be led directly to water terminal 4.2 and electrical heating module 3, for water end will to be used End 4.2 with solar energy heating module 2 lead directly to solar energy direct-furnish hot water passageway valves 4.5, for by heat pump unit 4.1 with electricity The straight-through heat pump steam passage valve 4.6 of heating module 3, and the hot water terminal valve being opened and closed for control with water terminal 4.2 4.7.The water terminal 4.2 includes domestic water end 4.2.1, adopts hot junction 4.2.2, refrigeration end 4.2.3, the domestic water End 4.2.1 is connected with water route switching mechanism, and the refrigeration end 4.2.3 is connected with heat pump unit 4.1.It is described adopt hot junction 4.2.2 with Drainpipe 4.2.4 is additionally provided between refrigeration end 4.2.3.Underground pipe 4.1.1 is also associated with the heat pump unit 4.1.
In actual use：
Such as Fig. 3~5, the solar energy heating array of cascade, core component includes medium temperature pipe, copper adjuster, reflector, connection Box assembly.Solar thermal collector core component medium temperature pipe, heat absorbing coating are adopted by titanium coating as film material, cover glass tube Realized with sol-gal process anti-reflection.Solar thermal collector core component copper adjuster, is designed, cycle fluid does not exist using U-tube In vacuum tube.Be divided into the structures such as single U, double U and three U by heat collector area difference, adjust cycle fluid flow in U-tube with Improve heat exchange efficiency.Solar thermal collector core component reflector, the reflector accurate roller of metal material for scribbling protective coating It is molded, it is placed on behind vacuum tube.Solar thermal collector core component header component, the U-tube in every vacuum tube are opened Mouth end is welded with two union pipes respectively, and union pipe insulation layer parcel is positioned in header.Circulatory mediator can be from thermal-arrest The both ends of device select one end as circulation import.Temperature tube is welded in the both ends of header, is stretched out from header side cover, for surveying Measure heat collector temperature.Solar thermal collector module uses CPC (composite parabolic heat collector, compound parabolic Collector) technology, can need to produce (100 DEG C -180 of hot water or steam in the case of illumination abundance according to user side ℃)。
Energy supplying system, heating terminal device should include the forms such as common heating terminal device, such as floor heating, radiator, eventually End electric heater is common electric heater unit, and solar energy heating cost can be ignored, and solar energy is system energy supply first The energy that level preferentially utilizes, when there is illumination, solar energy heating self-circulation system is opened, and can be used for heating system and be fed water；When Solar energy heating self-circulation system is closed during no light, avoids water circulating pump from consuming electric energy.It is added using the heat pump of geothermal energy Heat/refrigeration system cost is relatively low, the energy that geothermal energy preferentially utilizes for the system energy supply second level, when no light or solar energy When cannot meet energy supply demand, heat pump system is opened, and when solar energy meets energy supply demand, heat pump system is closed.Paddy electricity energy supply into This is generally below Spot Price, carries out accumulation of energy in high-temperature heat accumulation device using paddy electricity, paddy electricity accumulation of energy is excellent for the system energy supply third level First with the energy, when solar energy or heat pump energy supplying system cannot meet the quality requirements of terminal user, stored using high temperature Energy device is further heated.Electric heating unit has the characteristics that flexibly controllable, and can be heated to hot water/steam higher Quality, but heating cost is higher, and the afterbody as energy supplying system heats link, can be in solar energy, heat pump, paddy electricity high temperature Storage heater cannot meet to open during energy supply demand, meet the requirement of user.
Correlation computations：
1st, solar thermal collector area is definite
The area of solar thermal collector is an important parameter in solar heating system, its solar energy with system Fraction and project investment economy are closely related.
During without considering heat exchanger heat transfer temperature difference, solar heating system heat collector area is according to thermal performance of collectors, local spoke Penetrate the parameters such as condition, heating demand operating mode to determine, calculated as the following formula：
Wherein, ACFor solar heating system gross collector area, m2；T is the daily heating time, h； QHAdopted to be per day Warm load, W；JTFor the local average day solar energy irradiation in heat collector plane of system validity period, J/m2；F is the sun It can guarantee that rate, refer to table 1 and choose；ηcdFor the average collecting efficiency of system validity period；ηLDamaged for pipeline and energy-storage units energy Mistake rate, general value 0.2~0.3.
The recommendation selection value of 1 different regions heating system solar insuring rate of table
Due to, there are the temperature difference, being influenced inside and outside heat exchanger by heat exchange efficiency, the required heat collector area of the system can be pressed Following formula calculates：
Wherein, AINFor the solar thermal collector gross area, m2；FRULFor solar thermal collector overall heat loss coefficient, W/ (m2· ℃)；UhxFor heat transfer coefficient of heat exchanger, W/ (m2·℃)；AhxFor heat exchanger heat exchange area, m2。
2nd, heat collector is averaged collecting efficiency ηcdDetermine
The efficiency equation of solar thermal collector product is divided into linear function and two according to the tightness degree that detection data are fitted Equation of n th order n, form are as follows：
η=η0-UTi (3)
η=η0-a1Ti-a2(Ti)2 (4)
Ti=(ti-ta)/G (5)
Wherein, η0For Tiη when=0, U are with TiFor the heat collector overall heat loss coefficient of reference, W/ (m2·℃)； a1, a2For Collector efficiency equation constant；G is total solar radiation irradiation level, W/m2；TiTo normalize the temperature difference；tiFor heat collector import working medium Temperature；taFor environment temperature.
Since solar energy system is when Various Seasonal different time is run, solar energy irradiation, heat collector inlet temperature and ring Border temperature is different, and solar thermal collector is annual or the performance of certain month in order to evaluate, and heat collector is averaged collecting efficiency ηcdCorrelation Parameter is selected by following principle.
To the solar water heating system of whole year operation, taTake annual environment temperature average value, G and tiCount by the following method Calculate：
Wherein, JTThe daily irradiation of annual in inclined plane, MJ/ (m are installed for solar energy system2·d)； SYPut down for year Daily sunshine-duration, h；tLFor annual cold water temperature, DEG C；tendFor the termination design temperature of high-temperature heat accumulation device, DEG C.
To short-term energy-storage solar energy supplying system, taTake the average ambient outdoor air temperature in local December；tiTake and supply water temperature Degree temperature adds the heat transfer temperature difference of heat exchanger；G is calculated as follows：
Wherein, J12For the average day irradiation of total solar radiation on December heat collector lighting surface, MJ/ (m2·d)；S12 For average daily sunshine-duration in December, h.
When lacking above coherent detection data, heat collector year or monthly average collecting efficiency ηcdCan be empirically 0.20 Value between~0.50.
3rd, solar thermal collection system flow is definite
The design discharge of solar thermal collection system should be calculated as follows：
GS=gA (9)
Wherein, GSFor the design discharge of solar thermal collection system, m3/h；G is the unit area flow of solar thermal collector, m3/(h·m2)；A be solar thermal collection system in the solar thermal collector gross area, m2。
4th, electric heating unit
The heating efficiency of electric heating unit is pressed with energy carry calculation.Its heating power can be estimated as the following formula：
Wherein, P is electric heater unit power, W；QHTo be per day with energy load, W；ηaFor the electrical heating thermal efficiency, %, one As be 95~97% or so；ηLFor pipeline and energy-storage units heat loss rate, 0.05~0.1 is generally taken.
5th, the type selecting of circulating pump
The flow of circulating pump is calculated by formula (11)：
Qx=qgzAC (11)
Wherein, QxFor collecting system circular flow, qgzFor the corresponding working medium flow of unit daylighting area heat collector.
The lift of system circulation pump may be calculated：
Hx=hp+he+hz+hf (12)
Wherein, HxFor circulating pump lift, hpIt is collecting system circulating line along journey and local losses, heFor circular flow Flow through the drag losses of heat exchanger, hzFor the difference in height between heat collector and high-temperature heat accumulation device, hfFor additonal pressure, take 20~ 50kPa。
6th, ground heat exchanger type selection calculation：
The heat transfer process of ground heat exchanger is complex, and heat transfer process passes to underground pipe wall for heat from soil, In the heat exchanging fluid for reaching underground pipe via wall again.The buried pipe length by the way that underground pipe is calculated, ground are needed in design The buried pipe length calculation formula of pipe laying is：
In LcAnd LhThe larger length as underground pipe needed for system of middle selection.Wherein, QcFor the specified system of unit Cold, W；QcFor the specified heating capacity of unit, W；RbFor the thermal resistance of well cementing backfilling material, mK/W；RqFor thermal resistance, m·K/W；FcFor refrigerating operaton share；tmaxFor under cooling condition, the design of heat transfer medium is average warm in ground heat exchanger Degree, takes 33~36 DEG C；t∞For the initial temperature of pipe laying region Rock And Soil, DEG C；tminFor under supplying thermal condition, in ground heat exchanger The design mean temperature of heat transfer medium, takes -2~6 DEG C；EER is the coefficient of performance of refrigerating of water source heat pump units；COP is water source heat The coefficient of performance in heating of pump assembly.
The method of the solar energy hot-water supply is：Influent side valve 1.2, solar energy heating valve 2.5, solar energy direct-furnish Hot water passageway valve 4.5, hot water terminal valve 4.7 are opened；Solar steam path valve 4.3, heat pump influent side valve 4.4, Heat pump steam passage valve 4.6, steam valve 3.3.2, circulatory system valve 1.4 is closed.
The method of the heat pump for supplying hot water is：Influent side valve 1.2, heat pump influent side valve 4.4, hot water terminal valve Door 4.7 is opened；Solar energy heating valve 2.5, solar steam path valve 4.3, solar energy direct-furnish hot water passageway valve 4.5, heat Steam passage valve 4.6 is pumped, steam valve 3.3.2, circulatory system valve 1.4 is closed.
The method of solar energy supply steam is：Influent side valve 1.2, solar energy heating valve 2.5, solar steam Path valve 4.3, steam valve 3.3.2, circulatory system valve 1.4 are opened；Heat pump influent side valve 4.4, solar energy direct-furnish heat Water passage valve 4.5, heat pump steam passage valve 4.6, hot water terminal valve 4.7 are closed.
The method of the heat pump for supplying steam is：Influent side valve 1.2, heat pump influent side valve 4.4, heat pump steam leads to Road valve 4.6, steam valve 3.3.2, circulatory system valve 1.4 are opened；Solar energy heating valve 2.5, solar steam access valve Door 4.3, solar energy direct-furnish hot water passageway valve 4.5, hot water terminal valve 4.7 is closed.
The method of the solar association heat pump for supplying hot water is：Influent side valve 1.2, solar energy heating valve 2.5, heat Pump water inlet side valve door 4.4, solar energy direct-furnish hot water passageway valve 4.5, hot water terminal valve 4.7 is opened；Solar steam path Valve 4.3, heat pump steam passage valve 4.6, steam valve 3.3.2, circulatory system valve 1.4 is closed.
The method of the solar association heat pump for supplying steam is：Influent side valve 1.2, solar energy heating valve 2.5, too Positive energy steam passage valve 4.3, heat pump water inlet, 1.4 valve of circulatory system valve, heat pump steam passage valve 4.6, steam valve Door 3.3.2 is opened；Solar energy direct-furnish hot water passageway valve 4.5, hot water terminal valve 4.7 is closed.
Finally it is pointed out that above example is only the more representational example of the present invention.It is clear that the invention is not restricted to Above-described embodiment, can also there is many deformations.All technical spirits according to the present invention are to made for any of the above embodiments any simple Modification, equivalent variations and modification, are considered as belonging to protection scope of the present invention.

Claims (8)

  1. A kind of 1. multipurpose energy supplying system provided multiple forms of energy to complement each other, it is characterised in that：Including being connected on same circulation heating pipeline (1) Solar energy heating module (2), electrical heating module (3) and earth source heat pump power module (4)；
    The circulation heating pipeline (1) is equipped with water inlet pipe (1.1), influent side valve (1.2) and feed pump (1.3)；
    The solar energy heating module (2) includes heat exchanger (2.1), the solar energy heating being arranged on circulation heating pipeline (1) Device (2.2) and the circulation heating tube (2.3) for connecting heat exchanger (2.1) and solar thermal collector (2.2), the circulation add Water circulating pump (2.4) and solar energy heating valve (2.5) are additionally provided with pipe line (2.3)；
    The electrical heating module (3) includes high-temperature heat accumulation device (3.1), the terminal electrical heating being arranged on circulation heating pipeline (1) Device (3.2) and steam-water separator (3.3), the high-temperature heat accumulation device (3.1) is interior to be equipped with paddy electricity regenerative apparatus (3.1.1), the end Terminal electric heater unit (3.2.1) the earth source heat pump power module (4) is equipped with end electric heater (3.2) to be included being used to switch The water route switching mechanism of hot water source, the heat pump unit being arranged on circulation heating pipeline (1) in circulation heating pipeline (1) (4.1) and with water terminal (4.2), the water route switching mechanism connected respectively with heat pump unit (4.1) and with water terminal (4.2), It is described with water terminal (4.2) and heat pump unit (4.1) so as to being formed into a loop.
  2. A kind of 2. multipurpose energy supplying system provided multiple forms of energy to complement each other according to claim 1, it is characterised in that：It is described to use function The water route switching mechanism of module (4) includes being used to steam the solar energy that electrical heating module (3) and solar energy heating module (2) are led directly to Vapour path valve (4.3), for water terminal (4.2) the heat pump influent side valve (4.4) straight-through with electrical heating module (3) will to be used, For the solar energy direct-furnish hot water passageway valve (4.5) that water terminal (4.2) will be used to be led directly to solar energy heating module (2), it is used for The heat pump steam passage valve (4.6) that heat pump unit (4.1) and electrical heating module (3) are led directly to, and for control water terminal (4.2) the hot water terminal valve (4.7) of opening and closing.
  3. A kind of 3. multipurpose energy supplying system provided multiple forms of energy to complement each other according to claim 2, it is characterised in that：It is described to use water terminal (4.2) include domestic water end (4.2.1), adopt hot junction (4.2.2), refrigeration end (4.2.3), the domestic water end (4.2.1) Connected with water route switching mechanism, the refrigeration end (4.2.3) connects with heat pump unit (4.1).
  4. A kind of 4. multipurpose energy supplying system provided multiple forms of energy to complement each other according to claim 3, it is characterised in that：It is described to adopt hot junction Drainpipe (4.2.4) is additionally provided between (4.2.2) and refrigeration end (4.2.3).
  5. A kind of 5. multipurpose energy supplying system provided multiple forms of energy to complement each other according to claim 4, it is characterised in that：The circulating-heating Expansion tank (2.6) is additionally provided with pipeline (2.3), pressure reducing valve is additionally provided between the expansion tank (2.6) and circulation heating tube (2.3) (2.7)。
  6. A kind of 6. multipurpose energy supplying system provided multiple forms of energy to complement each other according to claim 5, it is characterised in that：The circulation heating Circulatory system valve (1.4) is additionally provided with pipeline (1).
  7. A kind of 7. multipurpose energy supplying system provided multiple forms of energy to complement each other according to claim 6, it is characterised in that：The steam-water separation Steam outlet pipe (3.3.1) is additionally provided with device (3.3), steam valve is additionally provided with the steam outlet pipe (3.3.1) (3.3.2)。
  8. 8. a kind of multipurpose energy supplying system provided multiple forms of energy to complement each other according to any one in claim 1~7, its feature exist In：Underground pipe (4.1.1) is also associated with the heat pump unit (4.1).
CN201711328015.0A 2017-12-13 2017-12-13 A kind of multipurpose energy supplying system provided multiple forms of energy to complement each other Pending CN108036386A (en)

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CN109631144A (en) * 2018-11-16 2019-04-16 国网天津市电力公司电力科学研究院 Large centralised is comprehensive in electric heating system and combinations thereof running optimizatin method
CN111734592A (en) * 2020-05-13 2020-10-02 北京王川景观设计有限公司 Facility equipment for secondary heating and temperature rising by utilizing geothermal produced energy
CN111734592B (en) * 2020-05-13 2024-05-31 北京华盛国兴新能源科技有限公司 Facility equipment for carrying out secondary heating temperature rise by utilizing geothermal energy production energy

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CN204333951U (en) * 2014-11-19 2015-05-13 张洪亮 Utilize the cool and thermal power multiple-supplying energy source station of regenerative resource
CN105162242A (en) * 2015-08-31 2015-12-16 雷加良 Full-automatic solar energy and off-peak electricity photoelectric co-generation system

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CN101358784A (en) * 2008-09-24 2009-02-04 天津大学 Solar thermal storage and geothermal heat pump group system
KR20130109317A (en) * 2012-03-27 2013-10-08 김종석 Combined heat pump sourced from air. electricity and solar energy
CN202915321U (en) * 2012-11-02 2013-05-01 张家港市威孚热能科技有限公司 Multipurpose electrical heating and heat accumulation boiler device
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CN111734592A (en) * 2020-05-13 2020-10-02 北京王川景观设计有限公司 Facility equipment for secondary heating and temperature rising by utilizing geothermal produced energy
CN111734592B (en) * 2020-05-13 2024-05-31 北京华盛国兴新能源科技有限公司 Facility equipment for carrying out secondary heating temperature rise by utilizing geothermal energy production energy

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