CN201875791U - Solar heat exchange unit for separate heating and hot water supply - Google Patents

Solar heat exchange unit for separate heating and hot water supply Download PDF

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Publication number
CN201875791U
CN201875791U CN2010206405140U CN201020640514U CN201875791U CN 201875791 U CN201875791 U CN 201875791U CN 2010206405140 U CN2010206405140 U CN 2010206405140U CN 201020640514 U CN201020640514 U CN 201020640514U CN 201875791 U CN201875791 U CN 201875791U
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water
heat
heating
pump
heat exchange
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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
    • 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

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Abstract

The utility model relates to a solar heat exchange unit for separate heating and hot water supply, which is characterized in that a water softener is connected with a solar heat storage tank, and the heat storage tank is connected with a solar collector through a heat collection pump; the heat storage tank is connected with stacked heat-exchange water supply tanks through a heat exchange pump to form a heat exchange system for hot water; and the heat storage tank is connected with a heating circulation pump, a water supply pump and an electric auxiliary heater to form a heat exchange system for heating. The utility model combines the solar collection technology, stacking type water supply technology, heating technology and advanced control technology, and an advanced, energy-saving and environmentally friendly small new energy heat exchange station is developed. The solar heat exchange unit mainly adopts collected solar energy, also utilizes electric energy for auxiliary heating, and is an energy-saving system project to provide a heat source for a floor heating system and hot water supply in the daily life. Moreover, the unit has a compact structure, occupies small space, and is suitable for military depots (stations of military supplies), transformer plants (stations), highway maintenance stations, small railway stations, factories, villas, resorts and other construction projects with rich solar energy resources but no central heating system.

Description

Heating and hot water divide uses the solar heat-exchange unit
Technical field
The utility model relates to solar energy heat distribution system, is solar heating of a kind of normal pressure heat collection type and hot water branch 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, utilize solar energy at present, also exist the factor that building hot-water heating designer and hot-water heating enterprise lack intervention, mainly be 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 to share unit.
The purpose of this utility model realizes by following technology:
A kind of heating and hot water divide uses the solar heat-exchange 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 solar heat-preservation water tank, water softener, heat-collecting pump, laminates the heat exchange water supply tank, heating circulating pump, hot water supply-water pump, the auxilliary heater of electricity, small pump, Based Intelligent Control cabinet, heating circulating pump, plate type heat exchanger are 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 by 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 by temperature sensor T1 on the pipeline; Temperature sensor T2 is set in the water side and solar heat collector is ring hot water road;
The connection of heating heat-exchange system: the solar heat-preservation water tank is provided with the pressure sensor P1 of built-in heat exchange coil, cooling-water temperature sensor T3 and bottom, solar heat-preservation water tank two ends pipeline is connected with the plate type heat exchanger two ends by electric control valve D3, heat exchange pump, the two ends in addition of plate type heat exchanger are by pressure sensor P5, the auxilliary heater of electricity, temperature sensor T6, and pressure sensor P4, temperature sensor T7 are connected with heating feed pipe, heating return pipe respectively with the heating circulating pump; The solar heat-preservation water tank is communicated with the heating return pipe by 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; The water outlet of solar heat-preservation water tank by heat exchange pump on the pipeline with switch motor-driven valve D5 and laminate the heat exchange water supply tank in the water outlet heat exchange coil be connected; Laminating the heat exchange coil of intaking in the heat exchange water supply tank is communicated with the solar heat-preservation water tank; Supply water pressurization supply-water pump and pressure sensor P2 are set on the tank connected hot water feeding pipe road with laminating heat exchange, laminate heat exchange water supply tank bottom and be 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 D4 is set on the running water filling pipe;
The connection of control system: magnetic valve on each pipeline: D1, D2, D3, D4, D5; 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; Be connected with the control group by cable, electric wire respectively.
The utility model is compared the advantage that is had with the traditional design tabulation:
Figure BSA00000371796800021
Figure BSA00000371796800031
Description of drawings
Fig. 1 is a schematic diagram of the present utility model
Among the figure:
Figure BSA00000371796800041
Fig. 2 is Fig. 1 solar energy switch board PLC figure
The specific embodiment
A kind of heating and hot water divide uses the solar heat-exchange unit, and 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 solar heat-preservation water tank 2, water softener 3, heat-collecting pump 4, laminates heat exchange water supply tank 5, heating circulating pump 6, hot water supply-water pump 7, the auxilliary heater 8 of electricity, small pump 9, Based Intelligent Control cabinet 10, heating circulating pump 11, plate type heat exchanger are 12 electronic, magnetic valve and valve instrument.
Below in conjunction with Fig. 1, the utility model is further described again by 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, water softener 3, 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 3, 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: hold heat-exchanging water tank 2 bottoms at solar energy and be provided with level sensor P1, 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 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 roofing heat collector 4 water inlets 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, heat exchange pump 6 terminations of pumping and 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 by 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, the auxiliary heating of water supply tank: electrical heating DJ or Steam Heating QJ.
During the Timing water supply mode, in the Hg before water supply (auxiliary heating setpoint time period before supplying water), as T4＜T G(water supply tank supply water temperature setting value), and T3-T4＜Δ T HThen auxiliary heating starting; As T4 〉=T G, or T3-T4 〉=Δ T HThen auxiliary heating stops.
During the continuous water supply mode, as T4＜T G, and T3-T4＜Δ T HThen auxiliary heating starting; As T4 〉=T G, or T3-T4 〉=Δ T HThen auxiliary 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;
Assist when adding thermal recovery steam QJ and high-temperature water HJ mode, by 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: be provided with pressure sensor P2 in supply-water pump 7 export pipelines, 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) as 38 ℃, 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 be gained to laminate in the heat exchange water supply tank 5 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 P3 in supply-water pump 7 water inlets, as P3≤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: solar energy holds heat-exchanging water tank 2, plate type heat exchanger 12, the auxilliary heater 8 of electricity, heating heat-exchange circulating pump 11, and small pump 9, related valve instrument and control system are formed.
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), absorption solar energy holds the soft water in the heat-exchanging water tank 2 under Frequency Converter Control, 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, 11 manual start-stop and the switchings of heating circulating pump: as P4 ∠ P TBCWhen (termination of pumping of heating pump and can't play the pump setup pressure value), heating circulating pump 11 terminations of pumping and can't play pump.
C, the heat exchange of heating water are switched: be provided with temperature sensor T7 on the heating return pipe, when T3＞T7, the electric control valve D3 that is located at heating pump discharge place opens to the built-in heat exchanger of collection heat-exchanging water tank, and the heating backwater supplies water through add thermosetting heating in holding heat-exchanging water tank 2; During T3≤T7, D3 opens to the heating feed pipe, and the heating backwater does not enter and holds the built-in heat exchanger of heat-exchanging water tank 2.
D, the auxilliary heater 8 start-stops control of electricity explanation
When 11 operations of heating circulating 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 circulating pump 11 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, the conversion in winter and summer
In summer, can cut off heating system, on switch board, change control mode over to the summer control model, then heating equipment quits work.

Claims (1)

1. heating and hot water divide and use the solar heat-exchange unit, and divide outdoor thermal-arrest and indoor units: outdoor solar heat collector district reaches relevant pipeline by heat collector (1); Instrument, valve are formed, and indoor units comprises solar heat-preservation water tank (2), water softener (3), heat-collecting pump (4), laminates heat exchange water supply tank (5), heating circulating pump (6), hot water supply-water pump (7), the auxilliary heater (8) of electricity, small pump (9), Based Intelligent Control cabinet (10), heating circulating pump (11), plate type heat exchanger (12) are 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) by 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) by temperature sensor T1 on the pipeline; Temperature sensor T2 is set in the water side and solar heat collector (1) is ring hot water road;
The connection of heating heat-exchange system: solar heat-preservation water tank (2) is provided with the pressure sensor P1 of built-in heat exchange coil, cooling-water temperature sensor T3 and bottom, solar heat-preservation water tank (2) two ends pipeline is connected with plate type heat exchanger (12) two ends by electric control valve D3, heat exchange pump (6), the two ends in addition of plate type heat exchanger (12) are by pressure sensor P5, the auxilliary heater (8) of electricity, temperature sensor T6, and pressure sensor P4, temperature sensor T7 are connected with heating feed pipe, heating return pipe respectively with heating circulating pump (11); Solar heat-preservation water tank (2) is communicated with the heating return pipe by 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 heat-preservation water tank (2) water outlet by heat exchange pump (6) on the pipeline with switch motor-driven valve D5 and laminate the interior water outlet heat exchange coil of heat exchange water supply tank (5) and be connected; Laminating the heat exchange coil of intaking in the heat exchange water supply tank (5) is communicated with solar heat-preservation water tank (2); With laminate the hot water feeding pipe road that heat exchange water supply tank (5) is connected on pressurization supply-water pump (7) and pressure sensor P2 are set, laminate heat exchange water supply tank (5) bottom connection 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 D4 is set on the running water filling pipe;
The connection of control system: magnetic valve on each pipeline: D1, D2, D3, D4, D5; 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; Be connected with control group (10) by cable, electric wire respectively.
CN2010206405140U 2010-11-30 2010-11-30 Solar heat exchange unit for separate heating and hot water supply Expired - Fee Related CN201875791U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105444247A (en) * 2015-12-25 2016-03-30 力明（北京）节能科技有限公司 Regional energy supply system based on comprehensive recycle of various low-grade waste heat
CN107525121A (en) * 2017-08-21 2017-12-29 河南水木环保科技股份有限公司 A kind of solar wind-energy land and sea border defense heating safeguards system and operation method
CN108973078A (en) * 2018-08-22 2018-12-11 宝天高科（广东）有限公司 A kind of PVC low ratio foamed plate water-cooling system and its water-cooling method
CN111720880A (en) * 2020-06-24 2020-09-29 常州大学 Micro-scale flat tube shower water longitudinal circulation system and warming method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105444247A (en) * 2015-12-25 2016-03-30 力明（北京）节能科技有限公司 Regional energy supply system based on comprehensive recycle of various low-grade waste heat
CN105444247B (en) * 2015-12-25 2024-01-12 力明（北京）节能科技有限公司 Regional energy supply system based on comprehensive recycling of various low-grade waste heat
CN107525121A (en) * 2017-08-21 2017-12-29 河南水木环保科技股份有限公司 A kind of solar wind-energy land and sea border defense heating safeguards system and operation method
CN108973078A (en) * 2018-08-22 2018-12-11 宝天高科（广东）有限公司 A kind of PVC low ratio foamed plate water-cooling system and its water-cooling method
CN111720880A (en) * 2020-06-24 2020-09-29 常州大学 Micro-scale flat tube shower water longitudinal circulation system and warming method

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C14 Grant of patent or utility model
GR01 Patent grant
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: Solar heat exchange unit for separate heating and hot water supply

Granted publication date: 20110622

License type: Exclusive License

Record date: 20130718

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110622

Termination date: 20131130