CN104848332A - Solar hot water heat exchanger unit - Google Patents
Solar hot water heat exchanger unit Download PDFInfo
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- CN104848332A CN104848332A CN201410592081.9A CN201410592081A CN104848332A CN 104848332 A CN104848332 A CN 104848332A CN 201410592081 A CN201410592081 A CN 201410592081A CN 104848332 A CN104848332 A CN 104848332A
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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
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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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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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
- 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
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Abstract
The invention discloses a solar hot water heat exchanger unit. The solar hot water heat exchanger unit mainly consists of a solar heat collector, a heat exchange hot water storage tank, a solar circulating pump, a variable-frequency hot water pump, a silver ion generator, a flow adjusting valve, an auxiliary heating hot water boiler and a control cabinet, wherein outlet water of the heat exchange hot water storage tank is connected with a heat supply water outlet pipe; the other end of the heat supply water outlet pipe is connected with the auxiliary heating hot water boiler; the variable-frequency hot water pump is mounted on the heat supply water outlet pipe; the silver ion generator is arranged on the heat supply water outlet pipe behind the variable-frequency hot water pump; a heat exchanger is arranged in the auxiliary heating hot water boiler; the heat supply water outlet pipe is connected with an inlet of the heat exchanger; an outlet of the heat exchanger is connected with the hot water supply pipe; a bypass pipe is arranged between the heat supply water outlet pipe and the hot water supply pipe bypassing the auxiliary heating hot water boiler; and the flow adjusting valve is mounted on the bypass pipe. The solar hot water heat exchanger unit has such advantages as energy conservation, safety, economy and intelligent control, and has the beneficial effects of complete protection functions, strong adaptability, long service life and convenience for use.
Description
Technical field
The present invention relates to solar-heating technical field, specifically a kind of solar water heat-exchange unit.
Background technology
Solar energy, owing to having aboundresources, local use, the advantage such as clean and renewable, widely uses at present in a lot of fields.Solar water is an application of solar energy achievement, and it, with advantages such as environmental protection, safe, energy-conservation, health, has won rapidly the favor of consumers in general.Solar water is mainly using solar water heater as a large industry, but solar water heater take family as unit, uses dispersion, and install trouble and be unfavorable for layout, the resident family especially for intensive residential building is difficult to install and use.Relatively large, large-sized solar central hot water supply system can solve the situation of intensive residential building resident family, hotel, school, bath center large discharge use hot water preferably.But because solar energy changes throughout the year, and with little or no, and therefore, solar water often attaches auxiliary heating mode, and common hot water normal-pressure boiler is one wherein.Hot water normal-pressure boiler communicates with air due to boiler openings, water in boiler participates in hot water circuit and heating directly, easily causes boiler dehydration, oxide etch, backflow fault etc., but also will cause the pressure loss of hot water circuit, hot water circuit pressure can not be utilized, add power consumption.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation, solar water heat-exchange unit that economy, safety and result of use are good.
The technical solution adopted for the present invention to solve the technical problems is: a kind of solar water heat-exchange unit is primarily of solar thermal collector, heat exchange thermal storage water tank, solar energy circulating pump, frequency conversion heat-exchanger pump, silver ion generator, flow control valve, auxiliary hot hot-water boiler and switch board composition, solar thermal collector water inlet is connected with solar water supply pipe, solar thermal collector water outlet is connected with solar energy return pipe, heat exchange coil is equiped with in heat exchange thermal storage water tank, solar energy return pipe and solar water supply pipe are connected with exporting with the import of the heat exchange coil of heat exchange thermal storage water tank respectively, solar water supply pipe is equipped with solar energy circulating pump, solar water supply pipe was provided with pressure sensor one and expansion drum one before solar energy circulating pump, and be connected with water replanishing device, temperature sensor one was provided with before solar thermal collector water outlet connects solar energy return pipe, temperature sensor two and level sensor is provided with in heat exchange thermal storage water tank, heat exchange thermal storage water tank is also connected with filling pipe, and at filling pipe, magnetic valve two control water inlet is housed, heat exchange thermal storage water tank water outlet is connected with heat supply outlet pipe, the other end of heat supply outlet pipe is connected with auxiliary hot hot-water boiler, heat supply outlet pipe is connected to bottom heat exchange thermal storage water tank, at heat supply outlet pipe, frequency conversion heat-exchanger pump is housed, frequency conversion heat-exchanger pump is used for hot water pressurization, heat supply outlet pipe was provided with filter one before frequency conversion heat-exchanger pump, heat supply outlet pipe is provided with silver ion generator and Pressure gauge after frequency conversion heat-exchanger pump, silver ion generator is used for hot-water sterilization function sterilization, auxiliary hot hot-water boiler is for compensating heating, heat exchanger is provided with in auxiliary hot hot-water boiler, heat supply outlet pipe is connected with heat exchanger inlets, and heat supply outlet pipe is also provided with magnetic valve one before heat exchanger inlets, heat exchanger outlet is connected with hot water feeding pipe, heat exchanger is arranged on auxiliary hot hot-water boiler and is equipped with in the body of heater of water, heat exchanger is immersed in the water of body of heater, boiler distribution control box is also fixed with at auxiliary hot hot-water boiler shell, boiler control cabinet for power distribution is used for heating auxiliary hot hot-water boiler, body of heater water temperature control and scheduling co-design, report to the police, parameter display etc., walk around auxiliary hot hot-water boiler and be provided with shunt valve between heat supply outlet pipe and hot water feeding pipe, shunt valve is connected on the heat supply outlet pipe between silver ion generator and magnetic valve one, and shunt valve is equipped with flow control valve, hot water feeding pipe is also provided with pressure sensor two and temperature sensor three after shunt valve, hot water feeding pipe's connection is connected with hot water return pipe with after hot pipe network, hot water return pipe is connected with heat exchange thermal storage water tank again, and hot water return pipe was provided with magnetic valve three before connection heat exchange thermal storage water tank, hot water return pipe was provided with filter two before magnetic valve three, hot water return pipe is also provided with expansion drum two between magnetic valve three and filter two, pressure sensor three and temperature sensor four.
Described temperature sensor one, temperature sensor two, solar energy circulating pump, pressure sensor one, level sensor, frequency conversion heat-exchanger pump, silver ion generator, magnetic valve one, flow control valve, magnetic valve two, boiler distribution control box, pressure sensor two, temperature sensor three, pressure sensor three and temperature sensor four separately cabling line are connected with switch board, also separately communication interface is provided with in switch board, described communication interface is used for remote monitoring and connects, and also can be connected with upper machine communication.
Described temperature sensor one and temperature sensor two are respectively used to detect too can heat collector temperature and heat exchange thermal storage water tank healed water temperature, and be provided with and open pump temperature approach and termination of pumping temperature approach two control points, and open pump temperature approach preferably 2 DEG C ~ 5 DEG C scopes, termination of pumping temperature approach is preferably 0.5 ~ 1 DEG C of scope, open pump temperature approach to start for controlling solar energy circulating pump, termination of pumping temperature approach is out of service for controlling solar energy circulating pump.
Described pressure sensor one is for detecting solar energy circulating pump intake pressure and protection solar energy circulating pump, when pressure sensor one detect solar energy circulating pump intake pressure lower than setting anhydrous force value and following time, solar energy circulating pump stoppage protection is also reported to the police, and the anhydrous force value of setting is preferably in 0.05 ~ 0.20MPa scope; When pressure sensor one detects more than solar energy circulating pump intake pressure is higher than the anhydrous force value of setting, report to the police and automatically eliminate, simultaneously solar energy circulating pump also will recover normal.
Described level sensor for detecting heat exchange thermal storage water tank water level, and is provided with high water level point, low water level point and lack of water water level point totally three control points, and high water level point stops moisturizing for controlling heat exchange thermal storage water tank, and magnetic valve two cuts out; Low water level point is used for magnetic valve two and opens, heat exchange thermal storage water tank moisturizing; Lack of water water level point is used for the frequency conversion heat-exchanger pump stoppage protection in controlling run and reports to the police, when heat exchange thermal storage water tank water level rezime to low water level point and above time, report to the police elimination and System recover normal.
Operation principle of the present invention is, utilize solar energy to force indirect heat exchange and auxiliary hot hot-water boiler to compensate mode of heating and prepare hot water, solar energy is converted to heat energy by solar thermal collector, solar energy heating actuator temperature raises, temperature sensor one detects solar energy heating actuator temperature, temperature sensor two detects heat exchange thermal storage water tank healed water temperature, when solar energy heating actuator temperature higher than heat exchange thermal storage water tank healed water temperature set open pump temperature approach and following time, solar energy circulating pump starts forced circulation, solar thermal collector is by being arranged on the heat exchange coil heat exchange quantity of heat given up in heat exchange thermal storage water tank, solar energy heating actuator temperature reduces, heat exchange thermal storage water tank healed water temperature raises, until solar energy heating actuator temperature compared with heat exchange thermal storage water tank healed water temperature set termination of pumping temperature approach time, solar energy circulating pump is out of service, when solar energy heating actuator temperature higher than heat exchange thermal storage water tank healed water temperature set open pump temperature approach and following time, solar energy circulating pump restarts, so repeatedly, reach solar thermal collector heating, the effect of heat exchange thermal storage water tank heat exchange heat accumulation,
Hot water is for seasonable, frequency conversion heat-exchanger pump is fetched water in heat exchange thermal storage water tank, pressurize through frequency conversion, silver ion generator is sterilized, after auxiliary hot hot-water boiler compensates heating, carry out constant voltage thermostatic output water by hot water feeding pipe relative to pressure sensor two and temperature sensor three to supply to hot pipe network, pressure sensor two detects hot water feeding pipe's pressure, and compare with the water outlet constant voltage value of setting, when pressure sensor two detects hot water feeding pipe's pressure lower than the water outlet constant voltage value set, frequency conversion heat-exchanger pump will improve running frequency, hot water feeding pipe's pressure raises, when pressure sensor two detects hot water feeding pipe's pressure higher than the water outlet constant voltage value set, frequency conversion heat-exchanger pump reduces running frequency, hot water feeding pipe's pressure drop, frequency conversion heat-exchanger pump carries out frequency conversion and unvarying pressure control to hot water feeding pipe, and make hot water feeding pipe's pressure remain in the water outlet constant voltage value of setting, auxiliary hot hot-water boiler can regulate body of heater water termostat by boiler distribution control box, again by body of heater water to heat exchanger heats, temperature sensor three detects the leaving water temperature of hot water feeding pipe, and compare with the water termostat value that goes out of setting, Flow-rate adjustment valve regulation mixes discharge, when temperature sensor three detect the leaving water temperature of hot water feeding pipe higher than setting go out water termostat value time, adjust flux control valve switch, strengthen the mixed discharge by shunt valve, magnetic valve one is opened, when flow control valve standard-sized sheet, and the leaving water temperature of hot water feeding pipe still higher than setting go out water termostat value time, magnetic valve one cuts out, auxiliary hot hot-water boiler is out of service, now, frequency conversion heat-exchanger pump is fetched water in heat exchange thermal storage water tank, pressurize through frequency conversion, after silver ion generator sterilization, directly supplied water to hot water feeding pipe by shunt valve, when temperature sensor three detect the leaving water temperature of hot water feeding pipe lower than setting go out water termostat value time, magnetic valve one is opened, auxiliary hot hot-water boiler puts into operation automatically, close control valve for small flows until Close All simultaneously, now, auxiliary hot hot-water boiler to hot water feeding pipe relative to setting go out that water termostat value compensates, thermostatic type heating, make the instructions for use of satisfied hot pipe network,
On hot water return pipe, pressure sensor three detects hot water backwater's pipe pressure, temperature sensor four detects hot water return pipe temperature, when temperature sensor four detect hot water return pipe temperature lower than setting go out water termostat value 5 DEG C and above time, magnetic valve three is opened, be back to heat exchange thermal storage water tank with the backwater of hot pipe network by hot water return pipe and heat Posterior circle use again, when temperature sensor four detect hot water return pipe temperature lower than setting go out water termostat value 2 DEG C and following time, magnetic valve three cuts out, and stops circulation with hot pipe network;
In frequency conversion heat-exchanger pump running, heat exchange thermal storage water tank water level decreasing, when the low water level point that heat exchange thermal storage water tank water level decreasing to level sensor sets and following time, magnetic valve two is opened, heat exchange thermal storage water tank by filling pipe moisturizing, heat exchange thermal storage water tank water level rise, when heat exchange thermal storage water tank water level rise to level sensor setting high water level point and above time, magnetic valve two cuts out, and heat exchange thermal storage water tank stops moisturizing; When heat exchange thermal storage water tank water level be in level sensor setting lack of water water level point and following time; system will judge heat exchange thermal storage water tank lack of water; frequency conversion heat-exchanger pump stoppage protection is also reported to the police; until heat exchange thermal storage water tank water level rezime to low water level point and above time; report to the police and automatically eliminate, frequency conversion heat-exchanger pump recovers normal operating conditions.
The invention has the beneficial effects as follows, the present invention has energy-conservation, the advantage such as safety, economy and intelligentized control method, and defencive function is complete, strong adaptability, and the life-span is long, easy to use.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, solar thermal collector, 2, temperature sensor one, 3, solar energy return pipe, 4, heat exchange thermal storage water tank, 5, heat exchange coil, 6, temperature sensor two, 7, expansion drum one, 8, water replanishing device, 9, solar water supply pipe, 10, solar energy circulating pump, 11, pressure sensor one, 12, level sensor, 13, heat supply outlet pipe, 14, filter one, 15, frequency conversion heat-exchanger pump, 16, silver ion generator, 17, Pressure gauge, 18, magnetic valve one, 19, shunt valve, 20, flow control valve, 21, magnetic valve two, 22, auxiliary hot hot-water boiler, 23, boiler distribution control box, 24, heat exchanger, 25, hot water feeding pipe, 26, pressure sensor two, 27, hot water return pipe, 28, cable, 29, filter two, 30, temperature sensor three, 31, pressure sensor three, 32, temperature sensor four, 33, expansion drum two, 34, magnetic valve three, 35, filling pipe, 36, switch board, 37, communication interface.
Detailed description of the invention
With regard to accompanying drawing 1, a kind of solar water heat-exchange unit of the present invention is described in detail below below.
As shown in Figure 1, a kind of solar water heat-exchange unit of the present invention is primarily of solar thermal collector 1, heat exchange thermal storage water tank 4, solar energy circulating pump 10, frequency conversion heat-exchanger pump 15, silver ion generator 16, flow control valve 20, auxiliary hot hot-water boiler 22 and switch board 36 form, solar thermal collector 1 water inlet is connected with solar water supply pipe 9, solar thermal collector 1 water outlet is connected with solar energy return pipe 3, heat exchange coil 5 is equiped with in heat exchange thermal storage water tank 4, solar energy return pipe 3 and solar water supply pipe 9 are connected with exporting with the import of the heat exchange coil 5 of heat exchange thermal storage water tank 4 respectively, solar water supply pipe 9 is equipped with solar energy circulating pump 10, solar water supply pipe 9 was provided with pressure sensor 1 and expansion drum 1 before solar energy circulating pump 10, and be connected with water replanishing device 8, temperature sensor 1 was provided with before solar thermal collector 1 water outlet connects solar energy return pipe 3, temperature sensor 26 and level sensor 12 is provided with in heat exchange thermal storage water tank 4, heat exchange thermal storage water tank 4 is also connected with filling pipe 35, and at filling pipe 35, magnetic valve 2 21 control water inlet is housed, heat exchange thermal storage water tank 4 water outlet is connected with heat supply outlet pipe 13, the other end of heat supply outlet pipe 13 is connected with auxiliary hot hot-water boiler 22, heat supply outlet pipe 13 is connected to bottom heat exchange thermal storage water tank 4, at heat supply outlet pipe 13, frequency conversion heat-exchanger pump 15 is housed, frequency conversion heat-exchanger pump 15 pressurizes for hot water, heat supply outlet pipe 13 was provided with filter 1 before frequency conversion heat-exchanger pump 15, heat supply outlet pipe 13 is provided with silver ion generator 16 and Pressure gauge 17 after frequency conversion heat-exchanger pump 15, silver ion generator 16 is sterilized for hot-water sterilization function, auxiliary hot hot-water boiler 22 is for compensating heating, heat exchanger 24 is provided with in auxiliary hot hot-water boiler 22, heat supply outlet pipe 13 is connected with heat exchanger 24 import, and heat supply outlet pipe 13 is also provided with magnetic valve 1 before heat exchanger 24 import, heat exchanger 24 outlet is connected with hot water feeding pipe 25, heat exchanger 24 is arranged on auxiliary hot hot-water boiler 22 and is equipped with in the body of heater of water, heat exchanger 24 is immersed in the water of body of heater, boiler distribution control box 23 is also fixed with at auxiliary hot hot-water boiler 22 shell, boiler control cabinet for power distribution 23 is for heating auxiliary hot hot-water boiler 22, body of heater water temperature control and scheduling co-design, report to the police, parameter display etc., walk around auxiliary hot hot-water boiler 22 and be provided with shunt valve 19 between heat supply outlet pipe 13 and hot water feeding pipe 25, shunt valve 19 is connected on the heat supply outlet pipe 13 between silver ion generator 16 and magnetic valve 1, and shunt valve 19 is equipped with flow control valve 20, hot water feeding pipe 25 is also provided with pressure sensor 2 26 and temperature sensor 3 30 after shunt valve 19, hot water feeding pipe 25 connection is connected with hot water return pipe 27 with after hot pipe network, hot water return pipe 27 is connected with heat exchange thermal storage water tank 4 again, and hot water return pipe 27 was provided with magnetic valve 3 34 before connection heat exchange thermal storage water tank 4, hot water return pipe 27 was provided with filter 2 29 before magnetic valve 3 34, hot water return pipe 27 is also provided with expansion drum 2 33 between magnetic valve 3 34 and filter 2 29, pressure sensor 3 31 and temperature sensor 4 32.
Described temperature sensor 1, temperature sensor 26, solar energy circulating pump 10, pressure sensor 1, level sensor 12, frequency conversion heat-exchanger pump 15, silver ion generator 16, magnetic valve 1, flow control valve 20, magnetic valve 2 21, boiler distribution control box 23, pressure sensor 2 26, temperature sensor 3 30, pressure sensor 3 31 and temperature sensor 4 32 separately cabling line 28 are connected with switch board 36, also communication interface 37 is separately provided with in switch board 36, described communication interface 37 connects for remote monitoring, also can be connected with upper machine communication.
Described temperature sensor 1 and temperature sensor 26 are respectively used to detect too can heat collector 1 temperature and heat exchange thermal storage water tank 4 healed water temperature, and be provided with and open pump temperature approach and termination of pumping temperature approach two control points, and open pump temperature approach preferably 2 DEG C ~ 5 DEG C scopes, termination of pumping temperature approach is preferably 0.5 ~ 1 DEG C of scope, open pump temperature approach to start for controlling solar energy circulating pump 10, termination of pumping temperature approach is out of service for controlling solar energy circulating pump 10.
Described pressure sensor 1 is for detecting solar energy circulating pump 10 intake pressure and protection solar energy circulating pump 10, when pressure sensor 1 detect solar energy circulating pump 10 intake pressure lower than setting anhydrous force value and following time, solar energy circulating pump 10 stoppage protection is also reported to the police, and the anhydrous force value of setting is preferably in 0.05 ~ 0.20MPa scope; When pressure sensor 1 detects more than solar energy circulating pump 10 intake pressure is higher than the anhydrous force value of setting, report to the police and automatically eliminate, simultaneously solar energy circulating pump 10 also will recover normal.
Described level sensor 12 for detecting heat exchange thermal storage water tank 4 water level, and is provided with high water level point, low water level point and lack of water water level point totally three control points, and high water level point stops moisturizing for controlling heat exchange thermal storage water tank 4, and magnetic valve 2 21 cuts out; Low water level point is used for magnetic valve 2 21 and opens, heat exchange thermal storage water tank 4 moisturizing; Lack of water water level point is used for frequency conversion heat-exchanger pump 15 stoppage protection in controlling run and reports to the police, when heat exchange thermal storage water tank 4 water level rezime to low water level point and above time, report to the police elimination and System recover normal.
Operation principle of the present invention is, utilize solar energy to force indirect heat exchange and auxiliary hot hot-water boiler 22 to compensate mode of heating and prepare hot water, solar energy is converted to heat energy by solar thermal collector 1, solar thermal collector 1 temperature raises, temperature sensor 1 detects solar thermal collector 1 temperature, temperature sensor 26 detects heat exchange thermal storage water tank 4 healed water temperature, when solar thermal collector 1 temperature higher than heat exchange thermal storage water tank 4 healed water temperature set open pump temperature approach and following time, solar energy circulating pump 10 starts forced circulation, solar thermal collector 1 is by being arranged on the heat exchange coil 5 heat exchange quantity of heat given up in heat exchange thermal storage water tank 4, solar thermal collector 1 temperature reduces, heat exchange thermal storage water tank 4 healed water temperature raises, until solar thermal collector 1 temperature compared with heat exchange thermal storage water tank 4 healed water temperature set termination of pumping temperature approach time, solar energy circulating pump 10 is out of service, when solar thermal collector 1 temperature higher than heat exchange thermal storage water tank 4 healed water temperature set open pump temperature approach and following time, solar energy circulating pump 10 restarts, so repeatedly, reach solar thermal collector 1 to heat, the effect of heat exchange thermal storage water tank 4 heat exchange heat accumulation,
Hot water is for seasonable, frequency conversion heat-exchanger pump 15 is from water intaking in heat exchange thermal storage water tank 4, pressurize through frequency conversion, silver ion generator 16 is sterilized, after auxiliary hot hot-water boiler 22 compensates heating, carry out constant voltage thermostatic output water by hot water feeding pipe 25 relative to pressure sensor 2 26 and temperature sensor 3 30 to supply to hot pipe network, pressure sensor 2 26 detects hot water feeding pipe 25 pressure, and compare with the water outlet constant voltage value of setting, when pressure sensor 2 26 detects hot water feeding pipe 25 pressure lower than the water outlet constant voltage value set, frequency conversion heat-exchanger pump 15 will improve running frequency, hot water feeding pipe 25 pressure raises, when pressure sensor 2 26 detects hot water feeding pipe 25 pressure higher than the water outlet constant voltage value set, frequency conversion heat-exchanger pump 15 reduces running frequency, hot water feeding pipe 25 pressure drop, frequency conversion heat-exchanger pump 15 couples of hot water feeding pipes 25 carry out frequency conversion and unvarying pressure control, and make hot water feeding pipe 25 pressure remain in the water outlet constant voltage value of setting, auxiliary hot hot-water boiler 22 can regulate body of heater water termostat by boiler distribution control box 23, by body of heater water, heat exchanger 24 is heated again, temperature sensor 3 30 detects the leaving water temperature of hot water feeding pipe 25, and compare with the water termostat value that goes out of setting, flow control valve 20 regulates mixed discharge, when temperature sensor 3 30 detect the leaving water temperature of hot water feeding pipe 25 higher than setting go out water termostat value time, adjust flux control valve 20 switch, strengthen the mixed discharge by shunt valve 19, magnetic valve 1 is opened, when flow control valve 20 standard-sized sheet, and the leaving water temperature of hot water feeding pipe 25 still higher than setting go out water termostat value time, magnetic valve 1 cuts out, auxiliary hot hot-water boiler 22 is out of service, now, frequency conversion heat-exchanger pump 15 is from water intaking in heat exchange thermal storage water tank 4, pressurize through frequency conversion, after silver ion generator 16 is sterilized, directly supplied water to hot water feeding pipe 25 by shunt valve 19, when temperature sensor 3 30 detect the leaving water temperature of hot water feeding pipe 25 lower than setting go out water termostat value time, magnetic valve 1 is opened, auxiliary hot hot-water boiler 22 puts into operation automatically, close control valve for small flows 20 until Close All simultaneously, now, auxiliary hot hot-water boiler 22 couples of hot water feeding pipes 25 relative to setting go out that water termostat value compensates, thermostatic type heating, make the instructions for use of satisfied hot pipe network,
On hot water return pipe 27, pressure sensor 3 31 detects hot water return pipe 27 pressure, temperature sensor 4 32 detects hot water return pipe 27 temperature, when temperature sensor 4 32 detect hot water return pipe 27 temperature lower than setting go out water termostat value 5 DEG C and above time, magnetic valve 3 34 is opened, be back to heat exchange thermal storage water tank 4 with the backwater of hot pipe network by hot water return pipe 27 and heat Posterior circle use again, when temperature sensor 4 32 detect hot water return pipe 27 temperature lower than setting go out water termostat value 2 DEG C and following time, magnetic valve 3 34 cuts out, circulation is stopped with hot pipe network,
In frequency conversion heat-exchanger pump 15 running, heat exchange thermal storage water tank 4 water level decreasing, when the low water level point that heat exchange thermal storage water tank 4 water level decreasing to level sensor 12 sets and following time, magnetic valve 2 21 is opened, heat exchange thermal storage water tank 4 by filling pipe 35 moisturizing, heat exchange thermal storage water tank 4 water level rise, when heat exchange thermal storage water tank 4 water level rise to level sensor 12 set high water level point and above time, magnetic valve 2 21 cuts out, and heat exchange thermal storage water tank 4 stops moisturizing; When heat exchange thermal storage water tank 4 water level be in level sensor 12 set lack of water water level point and following time; system will judge heat exchange thermal storage water tank 4 lack of water; frequency conversion heat-exchanger pump 15 stoppage protection is also reported to the police; until heat exchange thermal storage water tank 4 water level rezime to low water level point and above time; report to the police and automatically eliminate, frequency conversion heat-exchanger pump 15 recovers normal operating conditions.
Claims (6)
1. a solar water heat-exchange unit is primarily of solar thermal collector, heat exchange thermal storage water tank, solar energy circulating pump, frequency conversion heat-exchanger pump, silver ion generator, flow control valve, auxiliary hot hot-water boiler and switch board composition, temperature sensor two and level sensor is provided with in heat exchange thermal storage water tank, heat exchange thermal storage water tank water outlet is connected with heat supply outlet pipe, it is characterized in that, the other end of heat supply outlet pipe is connected with auxiliary hot hot-water boiler, at heat supply outlet pipe, frequency conversion heat-exchanger pump is housed, heat supply outlet pipe is provided with silver ion generator after frequency conversion heat-exchanger pump, heat exchanger is provided with in auxiliary hot hot-water boiler, heat supply outlet pipe is connected with heat exchanger inlets, and heat supply outlet pipe is also provided with magnetic valve one before heat exchanger inlets, heat exchanger outlet is connected with hot water feeding pipe, walk around auxiliary hot hot-water boiler and be provided with shunt valve between heat supply outlet pipe and hot water feeding pipe, shunt valve is equipped with flow control valve, hot water feeding pipe is also provided with pressure sensor two and temperature sensor three after shunt valve, hot water feeding pipe's connection is connected with hot water return pipe with after hot pipe network, hot water return pipe is connected with heat exchange thermal storage water tank again.
2. a kind of solar water heat-exchange unit according to claim 1, it is characterized in that, solar thermal collector water inlet is connected with solar water supply pipe, solar thermal collector water outlet is connected with solar energy return pipe, heat exchange coil is equiped with in heat exchange thermal storage water tank, solar energy return pipe and solar water supply pipe are connected with exporting with the import of the heat exchange coil of heat exchange thermal storage water tank respectively, solar water supply pipe is equipped with solar energy circulating pump, solar water supply pipe was provided with pressure sensor one before solar energy circulating pump, temperature sensor one was provided with before solar thermal collector water outlet connects solar energy return pipe.
3. a kind of solar water heat-exchange unit according to claim 1, is characterized in that, shunt valve is connected on the heat supply outlet pipe between silver ion generator and magnetic valve one.
4. a kind of solar water heat-exchange unit according to claim 1, it is characterized in that, heat exchange thermal storage water tank is also connected with filling pipe, and at filling pipe, magnetic valve two is housed.
5. a kind of solar water heat-exchange unit according to claim 1, is characterized in that, is also fixed with boiler distribution control box at auxiliary hot hot-water boiler shell.
6. a kind of solar water heat-exchange unit according to claim 1, it is characterized in that, hot water return pipe was provided with magnetic valve three before connection heat exchange thermal storage water tank, hot water return pipe was provided with filter two before magnetic valve three, and hot water return pipe is also provided with expansion drum two, pressure sensor three and temperature sensor four between magnetic valve three and filter two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592081.9A CN104848332A (en) | 2014-10-30 | 2014-10-30 | Solar hot water heat exchanger unit |
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| CN201410592081.9A CN104848332A (en) | 2014-10-30 | 2014-10-30 | Solar hot water heat exchanger unit |
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| CN104848332A true CN104848332A (en) | 2015-08-19 |
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| CN201410592081.9A Pending CN104848332A (en) | 2014-10-30 | 2014-10-30 | Solar hot water heat exchanger unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051887A (en) * | 2016-06-27 | 2016-10-26 | 辽宁天淼新能源科技有限公司 | Solar heat accumulation and magnetic eddy heating complementation type continuous heating device |
| CN113418225A (en) * | 2021-06-17 | 2021-09-21 | 杭州裕达自动化科技有限公司 | Solar hot water energy-saving transformation system |
-
2014
- 2014-10-30 CN CN201410592081.9A patent/CN104848332A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051887A (en) * | 2016-06-27 | 2016-10-26 | 辽宁天淼新能源科技有限公司 | Solar heat accumulation and magnetic eddy heating complementation type continuous heating device |
| CN113418225A (en) * | 2021-06-17 | 2021-09-21 | 杭州裕达自动化科技有限公司 | Solar hot water energy-saving transformation system |
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Application publication date: 20150819 |