CN202101307U - Normal-pressure heat collection type solar energy heating and hot-water branched machine set - Google Patents

Normal-pressure heat collection type solar energy heating and hot-water branched machine set Download PDF

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CN202101307U
CN202101307U CN2010206405136U CN201020640513U CN202101307U CN 202101307 U CN202101307 U CN 202101307U CN 2010206405136 U CN2010206405136 U CN 2010206405136U CN 201020640513 U CN201020640513 U CN 201020640513U CN 202101307 U CN202101307 U CN 202101307U
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water
heat
heating
pump
solar energy
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罗益龙
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • 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
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy

Abstract

The utility model relates to a normal-pressure heat collection type solar energy heating and hot-water branched machine set, characterized in that: a water softener is connected with a solar energy storage exchange hot-water box, the storage exchange hot-water box is connected with a solar heat collector by a heat collection pump; the storage exchange hot-water box is connected with a stacking-compression heat-exchange water supply tank by an annular heat pump to form a hot-water heat exchange system and the storage exchange hot-water box, a water supplement pump and an electric assistant heater form a heating heat-exchange system. The solar energy heat collection technology, the stacking-compression water supply technology, the heating technology and the advanced control technology are combined to develop an advanced energy-saving environmental-protection small type new energy source heat exchange station. The new energy source heat exchange station mainly uses the way of completely absorbing the solar energy as the main way and also uses the way of assistantly heating using the electric energy as the assistant way. The energy-saving system engine respectively provides the heat sources for the ground heating system and the living hot water. The machine set has features of compact structure and small occupied space and is suitable for constructing the projects without central heating supply and with rich solar energy resources such as arm service stations (equipage stations), transformer stations, highway maintenance stations, small railway stations, factories, villas and holiday centers.

Description

Solar heating of normal pressure heat collection type and hot water branch are used unit
Technical field
The utility model relates to solar-heating and heating system, is that heating of a kind of normal pressure heat collection type and hot water divide with type solar heat-exchange unit specifically.
Background technology
China is one of the abundantest country of solar energy resources in the world; Utilize the market development of solar energy to have a high potential; But in the hot-water heating hot-water heating system, utilizing solar energy at present, also exist the factor that building hot-water heating designer and hot-water heating enterprise lack intervention, mainly is that solar product enterprise is promoting market aspect hot water; And solar product enterprise is lacking supporting system and water heating product utilization experience aspect the hot-water heating heat supply, the design of system is existed the defective of inadequate natural endowment; Solar energy is as a kind of unsettled thermal source, and for hot-water heating enterprise and hot-water heating designer, development and exploitation solar energy corollary equipment aspect hot-water heating make the utilization of solar energy on water-heating system bring into play huge market impetus.
Summary of the invention
In view of above-mentioned, the utility model purpose is to provide solar heating of a kind of normal pressure heat collection type and hot water branch to use unit.
The purpose of the utility model can realize through following technical scheme:
Solar heating of a kind of normal pressure heat collection type and hot water divide uses unit, and divide outdoor thermal-arrest and indoor units: outdoor solar heat collector district is by heat collector and relevant pipeline; Instrument, valve are formed, and indoor units comprises that solar energy holds heat-exchanging water tank, water softener, heat-collecting pump, laminates the heat exchange water supply tank, heat exchange pump, pressurization supply-water pump, the auxilliary heater of electricity, small pump, control group, electronic, magnetic valve and valve instrument; It is characterized in that:
The connection of collecting system: motor-driven valve D1 is housed on the water inlet pipe of water softener, and water softener holds heat-exchanging water tank through pipeline and solar energy and is connected; The solar heat collector water inlet end is connected with the solar heat-preservation water tank with heat-collecting pump through temperature sensor T1 on the pipeline; The water side is provided with temperature sensor T2;
The connection of heating heat-exchange system: solar energy holds the pressure sensor P1 that heat-exchanging water tank is provided with built-in heat exchange coil, cooling-water temperature sensor T3 and bottom; Solar energy holds heat-exchanging water tank heat exchange coil water side and divides two the tunnel, leads up to that electric control valve D3, heat exchange pump heating system switch motor-driven valve D6, pressure sensor P4 is connected with the heating return pipe with temperature sensor T7; Another road is connected with the heating feed pipe with temperature sensor T6 through the auxilliary heater of electricity, pressure sensor P5; Backwater holds heat-exchanging water tank through electric control valve D3 with solar energy and is communicated with; Solar energy holds heat-exchanging water tank and is communicated with the heating return pipe through small pump;
The connection of hot water heat-exchange system: laminate water supply tank and be provided with temperature sensor T4, the bottom is provided with pressure transmitter P3 and ionic rod water treater, and the top is provided with vacuum suppresser and safety valve; Solar energy hold heat-exchanging water tank through the heat exchange pump with laminate the heat exchange water supply tank in the water outlet heat exchange coil be connected; Laminating in the heat exchange water supply tank water inlet heat exchange coil holds heat-exchanging water tank with solar energy and is communicated with; And the hot water supply system is set on the pipeline between the heat exchange pump switches motor-driven valve D5; Laminate the heat exchange water supply tank and be connected with the hot water feeding pipe through temperature sensor T8, pressure sensor P2 and pressurization supply-water pump on the pipeline, its bottom is communicated with hot water return pipe and running water filling pipe; Electronic temperature-sensing valve D2 and temperature sensor T5 are set on the hot water return pipe; Magnetic valve D7 is set on the running water filling pipe;
The connection of control system: magnetic valve on each pipeline: D1, D2, D3, D4, D5, D6, D7; And the pressure transmitter on each pipeline and the equipment: P1, P2, P3, P4, P5; And the temperature sensor on each pipeline and the equipment: T1, T2, T3, T4, T5, T6, T7, T8; Be connected with the control group through cable, electric wire respectively.
The utility model is compared the advantage that is had with the traditional design tabulation:
Figure DEST_PATH_GSB00000548104000021
Figure BSA00000371796200031
This heat exchange station is designed in the little load range; For the user provides heating and hot water; Solar energy heating is technological, as to laminate hydrotechny, heating technology and advanced person ingenious combination of control technology and innovation; The small-sized new forms of energy heat exchange station of a kind of advanced person's who develops energy-conserving and environment-protective, it is abundant and do not have on the projects such as military depot's (railhead), electric substation's (station), highway maintenance station, whistle-stop, factory, villa, holiday center of central heating to be highly suitable for the less solar energy resources of newly-built heating area.
Unit of the utility model and the heating of STX-CR/H-I type and hot water branch share the maximum difference of unit and can not come into operation simultaneously at this unit heating and hot water two cover systems with this unit.The heating circulating pump can switch through control as the shared heat exchange pump of two cover systems, divides open shop, has therefore reduced water pump quantity, can satisfy user's needs if separately come into operation, and then because of system has reduced equipment and pipeline, so save the space more, reduces cost.
Description of drawings
Fig. 1 is the sketch map of the utility model
Among the figure:
Figure BSA00000371796200041
Figure BSA00000371796200051
Fig. 2 is Fig. 1 electrical schematic diagram.
The specific embodiment
Heating of a kind of normal pressure heat collection type and hot water close branch and uses unit, divide outdoor thermal-arrest and indoor units: outdoor solar heat collector district is by heat collector 1 and relevant pipeline; Instrument, valve are formed, and indoor units comprises that solar energy holds heat-exchanging water tank 2, water softener 3, heat-collecting pump 4, laminates heat exchange water supply tank 5, heat exchange pump 6, pressurization supply-water pump 7, the auxilliary heater 8 of electricity, small pump 9, Based Intelligent Control cabinet 10, electronic (electromagnetism) valve and valve instrument.
Below in conjunction with Fig. 1, the utility model is further described again through being divided into three systematic procedures:
1, collecting system is formed and the control explanation
Native system mainly comprises: solar heat collector 1 and support, solar energy hold heat-exchanging water tank 2, automatical softener 3 one covers, heat-collecting pump 4, related valve pipe fitting instrument and control system and form.
A, collecting system antiscale working medium: running water produces soft water supply and gives collecting system under the effect of water softener 3, as heat-transfer working medium.Heat-transfer working medium working medium has been through promptly having removed calcium ions and magnesium ions behind the water softener, makes heat-transfer working medium scaling not in diabatic process, and the heat exchange efficiency that maintenance in service is higher prolongs service life of equipment; Than adding the chemical mediator environmental protection, free from environmental pollution simultaneously, and low production cost.
B, collecting system moisturizing control: be provided with level sensor P1 in solar energy collection heat-exchanging water tank 2 bottoms, be provided with high water level P1 SW1With low water level P1 SW2The control point, simultaneously with the magnetic valve D1 of water softener 3 import departments and switch board in the interlock of related electric element, reach: P1＜P1 SW2The time D1 open moisturizing, P1>=P1 SW1The time D1 close and stop moisturizing.
C, with 24 hours the system, TZ every day (initial value on daytime that can set was as 7 o'clock) to TW (stop value on daytime that can set was as 21 o'clock) be daytime; TW to the second day every day, TZ was evening.
D, solar energy heating pump 4 temperature difference control: during day mode, when T1>=TL-2 (the antifreeze ribbon heater of setting stops temperature value), when in water at low temperature T3 and the heat collector in the water tank between high-temperature water T2 heat exchange: as T2-T3>=Δ T JWhen pump temperature approach (setting rise), heat-collecting pump 4 startings; As T2-T3 ∠ Δ T JThe temperature approach of the program setting (time), heat-collecting pump 4 stops, and the water in the solar heat collector 1 begins the next round circulation after temperature raises under solar irradiation; When day mode, when T1＜TL-2, heat-collecting pump 4 is inoperative.When changing evening over to during pattern, heat-collecting pump 4 is inoperative.
The protection of e, heat-collecting pump 4: in the pattern that works by day, as P1≤P TBJ(hydraulic pressure value is set in the heat-collecting pump termination of pumping), heat-collecting pump 4 stops, and can't start.
The anti-frost protection of f, collecting system: the standpipe road before outdoor solar heat collector 1 water inlet is provided with temperature sensor T1 and heat tape D R, when T1 ∠ TL-1 (the antifreeze ribbon heater cranking temperature value that can set), D RAutomatically starting heating, T1>=TL-2 heating stops automatically; 4 stopping time of heat-collecting pump system evacuation is antifreeze, guarantees system's security of operation in winter.
2, the hot water supply system forms and the control explanation
Native system is formed: heat exchange pump 6, laminate heat exchange water supply tank 5, supply-water pump 7, auxiliary thermal source system, return water temperature control related valve instrument etc.
A, the circulation of the heat exchange circulating pump temperature difference: solar energy holds heat-exchanging water tank 2 interior cooling-water temperature sensor T3 and laminates temperature sensor T4 in the heat exchange water supply tank 5: as T3-T4>=Δ T HWhen (the heat exchange pump starting temperature approach that can set), 6 startings of heat exchange pump, T3-T4＜Δ T HThe time, heat exchange pump 6 stops.
The protection of b, heat exchange pump 6: as P1≤P TBHWhen (the heat exchange pump termination of pumping force value that can set), realize excessive low water level protection, 6 terminations of pumping of heat exchange pump with can't play pump.
C, domestic hot-water's moisturizing and water supply:
Automatic and water supply when running water is temporarily cut off the water, laminates the vacuum suppresser on the heat exchange water supply tank 5 through tap water hydraulic, can suck air, and water pot becomes atmospheric pressure state, makes full use of a jar interior water and ensures water supply; When running water resumes water supply, laminate the vacuum suppresser on the heat exchange water supply tank 5, the air of can breathing out, water pot becomes artesian condition, normal water supply.
D, water supply tank assistant heating: electrical heating DJ or Steam Heating QJ.
During the Timing water supply mode, in the Hg before water supply (assistant heating setting-up time section before supplying water), as T4＜T G(water supply tank supply water temperature setting value), and T3-T4＜Δ T HThen assistant heating starts; As T4>=T G, or T3-T4>=Δ T HThen assistant heating stops.
During the continuous water supply mode, as T4＜T G, and T3-T4＜Δ T HThen assistant heating starts; As T4>=T G, or T3-T4>=Δ T HThen assistant heating stops.
Under the auto state, electrothermal tube adopts and at first to stop earlier, anhydrous power failure and can't starting guard equipment; Manual state is freely controlled down;
When assistant heating adopts steam QJ and high-temperature water HJ mode, through T4＜T GThe time, open the electric control valve D4 on the auxiliary heat source capsule, heat; When passing through T4>=T GThe time, turn-off the electric control valve D4 on the auxiliary heat source capsule, stop heating.
E, frequency conversion pressurization are supplied water: in supply-water pump 7 export pipelines, be provided with pressure sensor P2; Set pressure of supply water value Pg; When the constantly pressurization operation under VFC of P2＜Pg supply-water pump 7, when hydraulic pressure added that the force value of force (forcing) pump reaches Pg from the beginning, supply-water pump 7 stopped; When water not, when then supply-water pump 7 constantly was pressurized to water supply pressure and rises to P2 >=Pg, water pump stopped naturally.
F, constant temperature water supply:, be located at the temperature sensor T5 on the return pipe, T5≤T5 when water or seldom during water not for a long time h(during the minimum return water temperature of setting) like 38C, the electronic temperature-sensing valve D2 on the return pipe opens, and the operation of pressurization supply-water pump will manage interior water at low temperature and gained in the heat supply water pot and reheat; As T5＞T5 hThe time, return pipe temperature-sensing valve D2 closes, and supply-water pump 7 stops.
G, be provided with pressure sensor P2 in supply-water pump 7 water inlets, as P2≤P TBGWhen (force (forcing) pump termination of pumping setting value), force (forcing) pump can't start, and should stop under the running status.
3, heating system is formed and the control explanation
This unit mainly comprises: the heat collection water tank built-in heat exchanger, and the auxilliary heater 8 of electricity, heating system small pump 9, related valve instrument and control system form.
A, heating system moisturizing control: small pump 9 is according to being located at the signal that pressure sensor P4 is arranged on the heating water water return pipeline, as P4 ∠ P CWhen (heating system is set the moisturizing force value), under Frequency Converter Control, draw the soft water in the solar heat-preservation water tank 2, to heating system voltage stabilizing moisturizing; As P4>=P CThe time, small pump 9 stops.Simultaneously as P1 ∠ P TBBWhen (small pump termination of pumping and can't play the pump setup pressure value), small pump 9 terminations of pumping and can't play pump.
B, 6 manual start-stop and the switchings of heating heat-exchange pump: as P4 ∠ P TBCWhen (termination of pumping of heating heat-exchange pump and can't play the pump setup pressure value), heating heat-exchange pump 6 terminations of pumping and can't play pump.
C, the heat exchange of heating water are switched: on the heating return pipe, be provided with temperature sensor T7; When T3＞T7; The electric control valve D3 that is located at heating pump discharge place opens to the built-in heat exchanger of solar heat-preservation water tank 2, and the heating backwater supplies water through in solar heat-preservation water tank 2, adding thermosetting heating; During T3≤T7, D3 opens to the heating feed pipe, and the heating backwater does not get into the built-in heat exchanger of solar heat-preservation water tank 2.
D, the auxilliary heater 8 start-stops control of electricity explanation
When 6 operations of heating heat-exchange pump, when T7 is being provided with time T ZS(auxilliary heater delay adjustments on the daytime value of electricity) or T WS(auxilliary heater delay adjustments in the evening value of electricity) interior T7 ∠ T CH1(the minimum return water temperature value that the auxilliary heater starting of electricity is set), then the auxilliary heater 8 of electricity is started working T7>=T CH2(the highest return water temperature value that the auxilliary heater of electricity stops to set), the auxilliary heater 8 of electricity stops.
Electrically heated protection: when heating heat-exchange pump 6 was out of service, the auxilliary heater 8 of electricity was at T YStop in (delay adjustments value).The electrothermal tube heating has automatically and manual control function.
4, production hot-water heating system and heating system conversion
According to through being arranged on the touch-screen on the switch board, choose relative set and get final product, relevant motor-driven valve D5, D6 carries out pipeline and switches.

Claims (1)

1. normal pressure heat collection type solar heating and hot water branch is used unit, divides outdoor thermal-arrest and indoor units: outdoor solar heat collector district is by heat collector (1) and relevant pipeline; Instrument, valve are formed, and indoor units comprises that solar energy holds heat-exchanging water tank (2), water softener (3), heat-collecting pump (4), laminates heat exchange water supply tank (5), heat exchange pump (6), pressurization supply-water pump (7), the auxilliary heater (8) of electricity, small pump (9), Based Intelligent Control cabinet (10), electronic, magnetic valve and valve instrument; It is characterized in that:
The connection of collecting system: on the water inlet pipe of water softener (3) motor-driven valve D1 is housed, water softener (3) holds heat-exchanging water tank (2) through pipeline and solar energy and is connected; Solar heat collector (1) water inlet end is connected with solar heat-preservation water tank (2) with heat-collecting pump (4) through temperature sensor T1 on the pipeline; The water side is provided with temperature sensor T2;
The connection of heating heat-exchange system: solar energy holds the pressure sensor P1 that heat-exchanging water tank (2) is provided with built-in heat exchange coil, cooling-water temperature sensor T3 and bottom; Solar energy holds heat-exchanging water tank (2) heat exchange coil water side and divides two the tunnel, leads up to that electric control valve D3, heat exchange pump (6), heating system switch motor-driven valve D6, pressure sensor P4 is connected with the heating return pipe with temperature sensor T7; Another road is connected with the heating feed pipe with temperature sensor T6 through the auxilliary heater (8) of electricity, pressure sensor P5; Backwater holds heat-exchanging water tank (2) through electric control valve D3 with solar energy and is communicated with; Solar energy holds heat-exchanging water tank (2) and is communicated with the heating return pipe through small pump (9);
The connection of hot water heat-exchange system: laminate water supply tank (5) and be provided with temperature sensor T4, the bottom is provided with pressure transmitter P3 and ionic rod water treater, and the top is provided with vacuum suppresser and safety valve; Solar energy hold heat-exchanging water tank (2) through heat exchange pump (6) with laminate the interior water outlet heat exchange coil of heat exchange water supply tank (5) and be connected; Laminating in the heat exchange water supply tank (5) the water inlet heat exchange coil holds heat-exchanging water tank (2) with solar energy and is communicated with; And on the pipeline between the heat exchange pump (6) hot water supply system is set and switches motor-driven valve D5; Laminate heat exchange water supply tank (5) and be connected with the hot water feeding pipe through temperature sensor T8, pressure sensor P2 and pressurization supply-water pump (7) on the pipeline, its bottom is communicated with hot water return pipe and running water filling pipe; Electronic temperature-sensing valve D2 and temperature sensor T5 are set on the hot water return pipe; Magnetic valve D7 is set on the running water filling pipe;
The connection of control system: magnetic valve on each pipeline: D1, D2, D3, D4, D5, D6, D7; And the pressure transmitter on each pipeline and the equipment: P1, P2, P3, P4, P5; And the temperature sensor on each pipeline and the equipment: T1, T2, T3, T4, T5, T6, T7, T8; Be connected with Based Intelligent Control cabinet (10) through cable, electric wire respectively.
CN2010206405136U 2010-11-30 2010-11-30 Normal-pressure heat collection type solar energy heating and hot-water branched machine set Expired - Fee Related CN202101307U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214824A (en) * 2014-05-07 2014-12-17 中北大学 Solar intelligent control system
CN106225039A (en) * 2016-08-30 2016-12-14 中国能源建设集团广东省电力设计研究院有限公司 Feed pump turbine low-vacuum-operating circulating water heating system and power-economizing method thereof
CN107514667A (en) * 2017-09-11 2017-12-26 华北电力大学 The central heating system of steam power plant's cross-season heat-storage heat release is realized using electric heat pump
CN109804820A (en) * 2019-02-01 2019-05-28 四维生态科技（杭州）有限公司 A kind of plant cultivation system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214824A (en) * 2014-05-07 2014-12-17 中北大学 Solar intelligent control system
CN104214824B (en) * 2014-05-07 2016-04-06 中北大学 A kind of solar energy intelligent control system
CN106225039A (en) * 2016-08-30 2016-12-14 中国能源建设集团广东省电力设计研究院有限公司 Feed pump turbine low-vacuum-operating circulating water heating system and power-economizing method thereof
CN107514667A (en) * 2017-09-11 2017-12-26 华北电力大学 The central heating system of steam power plant's cross-season heat-storage heat release is realized using electric heat pump
CN109804820A (en) * 2019-02-01 2019-05-28 四维生态科技（杭州）有限公司 A kind of plant cultivation system

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EE01 Entry into force of recordation of patent licensing contract

Assignee: Lanzhou winner HVAC & Solar Equipment Co., Ltd.

Assignor: Luo Yilong

Contract record no.: 2013620000035

Denomination of utility model: Normal-pressure heat collection type solar energy heating and hot-water branched machine set

Granted publication date: 20120104

License type: Exclusive License

Record date: 20130718

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