CN104848353A - Solar domestic hot water heating circulation supply system - Google Patents
Solar domestic hot water heating circulation supply system Download PDFInfo
- Publication number
- CN104848353A CN104848353A CN201410575409.6A CN201410575409A CN104848353A CN 104848353 A CN104848353 A CN 104848353A CN 201410575409 A CN201410575409 A CN 201410575409A CN 104848353 A CN104848353 A CN 104848353A
- Authority
- CN
- China
- Prior art keywords
- water
- heat exchanger
- pipe
- thermal
- solar energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a solar domestic hot water heating circulation supply system. The system mainly consists of a solar heat collector, a heat collecting hot water storage tank, a solar circulating pump, a heating circulating pump, a variable-frequency hot water pump, a coil heat exchanger, a negative-pressure eliminator, a volume heat exchanger and a control cabinet, wherein outlet water of the heat collecting hot water storage tank is connected with a heating water supply pipe; the heating water supply pipe is connected with the coil heat exchanger, and is provided with the heating circulating pump; the negative-pressure eliminator is mounted at the top of the coil heat exchanger; a water inlet pipe and a cold water supply pipe are arranged at the bottom of the coil heat exchanger; the water inlet pipe extends to the upper part in the coil heat exchanger; the lower part of the coil heat exchanger is provided with a water outlet pipe for connecting with the volume heat exchanger; and outlet water of the volume heat exchanger is connected with a hot water supply pipe. The system has such advantages as energy conservation, safety, economy and intelligent control, and has the beneficial effects of complete protection functions, stable pressure of hot water supply, good use effect and strong adaptability.
Description
Technical field
The present invention relates to solar water technical field, specifically a kind of solar energy domestic hot-water heat cycles supply system.
Background technology
In recent years, utilizing solar energy to prepare hot water supply system develops rapidly, but it is relatively large or large-sized solar domestic hot-water heat cycles supply system is actually rare, this is mainly because solar source has the feature of low-density, unstability and uncontrollability compared with conventional heat sources, low-density refers to that the heat provided in the solar energy unit interval is very low, be difficult to the same with conventional heat sources can by cold water one-time heating to serviceability temperature; Unstability refers to that solar energy changes throughout the year, and with little or no; Uncontrollability is difficult to control when referring to solar energy heating, when thus bringing without hot water or lack with hot water amount, and the Overheating Treatment problem of solar energy heating.Due to the clean energy resource that solar energy is a kind of aboundresources, reproducible utilization; along with energy-saving and emission-reduction, development low-carbon economy are actively carried out under the new situation by world energy sources crisis and country, solar water starts by progressively propagation and employment as the novel hot water method of supplying of a kind of energy-conservation, economy and environmental protection.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation, solar energy domestic hot-water heat cycles supply system that economy, safety and result of use are good.
The technical solution adopted for the present invention to solve the technical problems is: solar energy domestic hot-water heat cycles supply system is primarily of solar thermal collector, thermal-arrest thermal storage water tank, solar energy circulating pump, heat circulation pump, frequency conversion heat-exchanger pump, coil heat exchanger, negative pressure canceller, volumetric heat exchanger and switch board composition, solar thermal collector water inlet is connected with solar water supply pipe, solar water supply pipe is connected with the thermal-arrest thermal storage water tank of setting, solar energy circulating pump solar water supply pipe is equipped with, solar thermal collector water outlet is connected with solar energy return pipe, solar energy return pipe is connected with thermal-arrest thermal storage water tank, temperature sensor one was provided with before solar thermal collector water outlet connects solar energy return pipe, level sensor and temperature sensor two is provided with in thermal-arrest thermal storage water tank, thermal-arrest thermal storage water tank is connected with filling pipe, and at filling pipe, magnetic valve two control water inlet is housed, filling pipe is provided with water softening device after magnetic valve two, thermal-arrest thermal storage water tank water outlet is connected with for hot water supplying pipe, be connected with coil heat exchanger for hot water supplying pipe, coil heat exchanger is connected with heat supply return pipe, heat supply return pipe is connected with thermal-arrest thermal storage water tank again, and on hot water supplying pipe, heat circulation pump is housed, be connected with the thermal source import of coil heat exchanger for hot water supplying pipe, the thermal source outlet of coil heat exchanger is connected with heat supply return pipe, coil heat exchanger is also provided with water level transmitter, coil heat exchanger top is equiped with negative pressure canceller, be provided with water inlet pipe bottom coil heat exchanger to be connected with cold water supplying pipe, and water inlet pipe extend into the top in coil heat exchanger, coil heat exchanger bottom is provided with outlet pipe and is connected with volumetric heat exchanger, volumetric heat exchanger water outlet is connected with hot water feeding pipe, hot water feeding pipe is connected with grid, be connected with hot water return pipe with grid, hot water return pipe is connected with the water inlet pipe of coil heat exchanger again, cold water supplying pipe is provided with backflow preventer, cold water supplying pipe was provided with filter one before backflow preventer, cold water supplying pipe is provided with electronic scale remover and pressure sensor one after backflow preventer, cold water supplying pipe is used for the water shortage of supplementing hot water return pipe, hot water return pipe is provided with filter two in turn along water (flow) direction, expansion drum, temperature sensor four, magnetic valve one and check-valves one, the outlet pipe of coil heat exchanger is also equipped with frequency conversion heat-exchanger pump and check-valves two, walk around frequency conversion heat-exchanger pump and check-valves two is also provided with bypass pipe, and on bypass pipe, be provided with check-valves three, volumetric heat exchanger is used for auxiliary compensation heating, volumetric heat exchanger provides auxiliary thermal source by auxiliary thermal source feed pipe, the auxiliary thermal source import of volumetric heat exchanger is connected with auxiliary thermal source feed pipe, the auxiliary thermal source outlet of volumetric heat exchanger is connected with auxiliary thermal source return pipe, volumetric heat exchanger is also provided with Pressure gauge, safety valve and temperature sensor five, Pressure gauge is for observing volumetric heat exchanger pressure, safety valve is for sluicing pressure release during volumetric heat exchanger superpressure, temperature sensor five uses water requirement for the stable in outlet water temperature of Detection & Controling volumetric heat exchanger with meeting.
Described temperature sensor one, level sensor, temperature sensor two, solar energy circulating pump, electronic scale remover, heat circulation pump, pressure sensor one, temperature sensor three, magnetic valve one, temperature sensor four, frequency conversion heat-exchanger pump, water level transmitter, water softening device, pressure sensor two, temperature sensor five and magnetic valve two 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 thermal-arrest thermal storage water tank 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 level sensor for detecting thermal-arrest 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 water inlet, closed electromagnetic valve for controlling thermal-arrest thermal storage water tank, and water softening device dead electricity is shut down; Low water level point is used for thermal-arrest thermal storage water tank moisturizing, and magnetic valve is opened, and water softening device obtains electric switch; Lack of water water level point is used for solar energy circulating pump in controlling run and heat circulation pump stoppage protection and reports to the police, when thermal-arrest thermal storage water tank water level rezime to low water level point and above time, report to the police elimination and System recover normal.
Described water softening device is used for softening the filling pipe water inlet of thermal-arrest thermal storage water tank, to reduce Ca
2+, Mg
2+hardness.
Operation principle of the present invention is, utilize solar energy indirect and volumetric heat exchanger to compensate mode of heating and prepare domestic 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 thermal-arrest thermal storage water tank temperature, when solar energy heating actuator temperature higher than thermal-arrest thermal storage water tank temperature set open pump temperature approach and following time, solar energy circulating pump starts, the water of thermal-arrest thermal storage water tank pressurizes through solar energy circulating pump, solar water supply pipe is delivered to solar thermal collector displacement, water simultaneously in solar thermal collector is back to thermal-arrest thermal storage water tank by solar energy return pipe, solar energy heating actuator temperature reduces, thermal-arrest thermal storage water tank temperature raises, until solar energy heating actuator temperature compared with thermal-arrest thermal storage water tank temperature set termination of pumping temperature approach time, solar energy circulating pump is out of service, solar energy heating actuator temperature starts to raise, when solar energy heating actuator temperature higher than thermal-arrest thermal storage water tank temperature set open pump temperature approach and following time, solar energy circulating pump restarts, so repeatedly, reach solar thermal collector heating, thermal-arrest thermal storage water tank heat accumulation effect,
When preparing hot water, water source is provided by cold water supplying pipe, water source passes through cold water supplying pipe, filter one, coil heat exchanger indirect heat exchange is flowed through by water inlet pipe after backflow preventer and electronic scale remover, heat circulation pump is fetched water from thermal-arrest thermal storage water tank, coil heat exchanger quantity of heat given up is delivered to after pressurization, the heat of absorption conversion water-supply source water is heated into hot water by coil heat exchanger again, and then pressurizeed through frequency conversion heat-exchanger pump by outlet pipe, constant voltage enters volumetric heat exchanger, hot water in volumetric heat exchanger first by temperature sensor five detected temperatures, when temperature sensor five detects the leaving water temperature value that hot water temperature sets lower than hot water supply, volumetric heat exchanger will provide thermal source to compensate heating by auxiliary thermal source feed pipe, hot water temperature is made to maintain in the leaving water temperature value of hot water supply setting, and for providing hot water with grid, when temperature sensor five detects the leaving water temperature value that hot water temperature sets higher than hot water supply, volumetric heat exchanger will stop compensating heating automatically, hot water backwater is taken out stains through filter two by hot water return pipe, be back to coil heat exchanger from water inlet pipe after magnetic valve one, check-valves one, cold water supplying pipe supplements the deficiency of hot water backwater's amount, temperature sensor four detects hot water return pipe temperature, when temperature sensor four detects that hot water return pipe temperature is less than 5 DEG C lower than the leaving water temperature value that hot water supply sets, magnetic valve one cuts out, when temperature sensor four detects that hot water return pipe temperature is more than or equal to 5 DEG C lower than the leaving water temperature value that hot water supply sets, a dozen open cycles of magnetic valve,
Under normal condition, coil heat exchanger is totally-enclosed pressure resistant vessel, frequency conversion heat-exchanger pump is fetched water in coil heat exchanger, and utilize cold water supplying pipe and hot water backwater's pipe pressure by coil heat exchanger, frequency conversion heat-exchanger pump carries out ftercompction relative to pressure sensor two, constant voltage exports hot water to volumetric heat exchanger to supplying with grid, the pressure sensor two being installed in coil heat exchanger outlet pipe detects siphon pressure, and compare with the water outlet constant voltage value of setting, when pressure sensor two detects outlet pipe pressure lower than the water outlet constant voltage value set, frequency conversion heat-exchanger pump will improve running frequency, outlet pipe pressure raises, when pressure sensor two detects outlet pipe pressure higher than the water outlet constant voltage value set, frequency conversion heat-exchanger pump reduces running frequency, outlet pipe pressure drop, frequency conversion heat-exchanger pump carries out frequency conversion and unvarying pressure control to outlet pipe, and use siphon pressure and remain in the water outlet constant voltage value of setting, in frequency conversion heat-exchanger pump running, when the inflow of coil heat exchanger is not enough, when cold water supplying pipe rate of water make-up and hot water return pipe internal circulating load sum are less than the water yield of coil heat exchanger outlet pipe, coil heat exchanger water level will decline, negative pressure canceller is automatically opened and is filled into air, eliminate coil heat exchanger negative pressure, frequency conversion heat-exchanger pump still continues to run, when the lack of water water level that coil heat exchanger water level decreasing to water level transmitter sets, frequency conversion heat-exchanger pump stoppage protection, when coil heat exchanger water level rezime, and during full water, negative pressure canceller is closed automatically, coil heat exchanger recovers normal, at coil heat exchanger water level rezime, full water, and pressure sensor one detect water inlet pipe pressure higher than setting minimum voltage limiting value more than time, frequency conversion heat-exchanger pump starts and recovers normal operation.
The invention has the beneficial effects as follows, the present invention has the advantages such as energy-conservation, safety, economy and intelligentized control method, and defencive function is complete, and the pressure stability of hot water supply, result of use is good, strong adaptability.
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, thermal-arrest thermal storage water tank, 5, level sensor, 6, temperature sensor two, 7, solar water supply pipe, 8, solar energy circulating pump, 9, cold water supplying pipe, 10, filter one, 11, backflow preventer, 12, heating cycle pipe, 13, electronic scale remover, 14, heat circulation pump, 15, pressure sensor one, 16, water inlet pipe, 17, check-valves one, 18, temperature sensor three, 19, magnetic valve one, 20, temperature sensor four, 21, frequency conversion heat-exchanger pump, 22, expansion drum, 23, filter two, 24, hot water return pipe, 25, coil heat exchanger, 26, water level transmitter, 27, heat supply return pipe, 28, negative pressure canceller, 29, water softening device, 30, outlet pipe, 31, check-valves two, 32, check-valves three, 33, bypass pipe, 34, pressure sensor two, 35, auxiliary thermal source return pipe, 36, with grid, 37, auxiliary thermal source feed pipe, 38, volumetric heat exchanger, 39, Pressure gauge, 40, hot water feeding pipe, 41, safety valve, 42, temperature sensor five, 43, filling pipe, 44, magnetic valve two, 45, switch board, 46, communication interface, 47, cable.
Detailed description of the invention
With regard to accompanying drawing 1, solar energy domestic hot-water heat cycles supply system of the present invention is described in detail below below.
As shown in Figure 1, solar energy domestic hot-water heat cycles supply system of the present invention is primarily of solar thermal collector 1, thermal-arrest thermal storage water tank 4, solar energy circulating pump 8, heat circulation pump 14, frequency conversion heat-exchanger pump 21, coil heat exchanger 25, negative pressure canceller 28, volumetric heat exchanger 38 and switch board 45 form, solar thermal collector 1 water inlet is connected with solar water supply pipe 7, solar water supply pipe 7 is connected with the thermal-arrest thermal storage water tank 4 arranged, solar energy circulating pump 8 solar water supply pipe 7 is equipped with, solar thermal collector 1 water outlet is connected with solar energy return pipe 3, solar energy return pipe 3 is connected with thermal-arrest thermal storage water tank 4, temperature sensor 1 was provided with before solar thermal collector 1 water outlet connects solar energy return pipe 3, level sensor 5 and temperature sensor 26 is provided with in thermal-arrest thermal storage water tank 4, thermal-arrest thermal storage water tank 4 is connected with filling pipe 43, and at filling pipe 43, magnetic valve 2 44 control water inlet is housed, filling pipe 43 is provided with water softening device 29 after magnetic valve 2 44, thermal-arrest thermal storage water tank 4 water outlet is connected with for hot water supplying pipe 12, be connected with coil heat exchanger 25 for hot water supplying pipe 12, coil heat exchanger 25 is connected with heat supply return pipe 27, heat supply return pipe 27 is connected with thermal-arrest thermal storage water tank 4 again, and on hot water supplying pipe 12, heat circulation pump 14 is housed, be connected with the thermal source import of coil heat exchanger 25 for hot water supplying pipe 12, the thermal source outlet of coil heat exchanger 25 is connected with heat supply return pipe 27, coil heat exchanger 25 is also provided with water level transmitter 26, coil heat exchanger 25 top is equiped with negative pressure canceller 28, be provided with water inlet pipe 16 bottom coil heat exchanger 25 to be connected with cold water supplying pipe 9, and water inlet pipe 16 extend into the top in coil heat exchanger 25, coil heat exchanger 25 bottom is provided with outlet pipe 30 and is connected with volumetric heat exchanger 38, volumetric heat exchanger 38 water outlet is connected with hot water feeding pipe 40, hot water feeding pipe 40 is connected with grid 36, be connected with hot water return pipe 24 with grid 36, hot water return pipe 24 is connected with the water inlet pipe 16 of coil heat exchanger 25 again, cold water supplying pipe 9 is provided with backflow preventer 11, cold water supplying pipe 9 was provided with filter 1 before backflow preventer 11, cold water supplying pipe 9 is provided with electronic scale remover 13 and pressure sensor 1 after backflow preventer 11, cold water supplying pipe 9 is for the water shortage of supplementary hot water return pipe 24, hot water return pipe 24 is provided with filter 2 23 in turn along water (flow) direction, expansion drum 22, temperature sensor 4 20, magnetic valve 1 and check-valves 1, the outlet pipe 30 of coil heat exchanger 25 is also equipped with frequency conversion heat-exchanger pump 21 and check-valves 2 31, walk around frequency conversion heat-exchanger pump 21 and check-valves 2 31 is also provided with bypass pipe 33, and check-valves 3 32 is provided with on bypass pipe 33, volumetric heat exchanger 38 heats for auxiliary compensation, volumetric heat exchanger 38 provides auxiliary thermal source by auxiliary thermal source feed pipe 37, the auxiliary thermal source import of volumetric heat exchanger 38 is connected with auxiliary thermal source feed pipe 37, the auxiliary thermal source outlet of volumetric heat exchanger 38 is connected with auxiliary thermal source return pipe 35, volumetric heat exchanger 38 is also provided with Pressure gauge 39, safety valve 41 and temperature sensor 5 42, Pressure gauge 39 is for observing volumetric heat exchanger 38 pressure, safety valve 41 is for sluicing pressure release during volumetric heat exchanger 38 superpressure, temperature sensor 5 42 uses water requirement for the stable in outlet water temperature of Detection & Controling volumetric heat exchanger 38 with meeting.
Described temperature sensor 1, level sensor 5, temperature sensor 26, solar energy circulating pump 8, electronic scale remover 13, heat circulation pump 14, pressure sensor 1, temperature sensor 3 18, magnetic valve 1, temperature sensor 4 20, frequency conversion heat-exchanger pump 21, water level transmitter 26, water softening device 29, pressure sensor 2 34, temperature sensor 5 42 and magnetic valve 2 44 separately cabling line 47 are connected with switch board 45, also communication interface 46 is separately provided with in switch board 45, described communication interface 46 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 thermal-arrest thermal storage water tank 4 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 8, termination of pumping temperature approach is out of service for controlling solar energy circulating pump 8.
Described level sensor 5 is for detecting thermal-arrest thermal storage water tank 4 water level, and be provided with high water level point, low water level point and lack of water water level point totally three control points, high water level point stops water inlet for controlling thermal-arrest thermal storage water tank 4, and magnetic valve 44 cuts out, and water softening device 29 dead electricity is shut down; Low water level point is used for thermal-arrest thermal storage water tank 4 moisturizing, and magnetic valve 44 is opened, and water softening device 29 obtains electric switch; Lack of water water level point is used for solar energy circulating pump 8 in controlling run and heat circulation pump 14 stoppage protection and reports to the police, when thermal-arrest 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.
Described water softening device 29 is for softening filling pipe 43 water inlet of thermal-arrest thermal storage water tank 4, to reduce Ca
2+, Mg
2+hardness.
Operation principle of the present invention is, utilize solar energy indirect and volumetric heat exchanger 38 to compensate mode of heating and prepare domestic 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 thermal-arrest thermal storage water tank 4 temperature, when solar thermal collector 1 temperature higher than thermal-arrest thermal storage water tank 4 temperature set open pump temperature approach and following time, solar energy circulating pump 8 starts, the water of thermal-arrest thermal storage water tank 4 pressurizes through solar energy circulating pump 8, solar water supply pipe 7 is delivered to solar thermal collector 1 and replaces, water simultaneously in solar thermal collector 1 is back to thermal-arrest thermal storage water tank 4 by solar energy return pipe 3, solar thermal collector 1 temperature reduces, thermal-arrest thermal storage water tank 4 temperature raises, until solar thermal collector 1 temperature compared with thermal-arrest thermal storage water tank 4 temperature set termination of pumping temperature approach time, solar energy circulating pump 8 is out of service, solar thermal collector 1 temperature starts to raise, when solar thermal collector 1 temperature higher than thermal-arrest thermal storage water tank 4 temperature set open pump temperature approach and following time, solar energy circulating pump 8 restarts, so repeatedly, reach solar thermal collector 1 to heat, thermal-arrest thermal storage water tank 4 heat accumulation effect,
When preparing hot water, water source is provided by cold water supplying pipe 9, water source is by cold water supplying pipe 9, filter 1, coil heat exchanger 25 indirect heat exchange is flowed through by water inlet pipe 16 after backflow preventer 11 and electronic scale remover 13, heat circulation pump 14 is fetched water from thermal-arrest thermal storage water tank 4, coil heat exchanger 25 quantity of heat given up is delivered to after pressurization, the heat of absorption conversion water-supply source water is heated into hot water by coil heat exchanger 25 again, and then pressurizeed through frequency conversion heat-exchanger pump 21 by outlet pipe 30, constant voltage enters volumetric heat exchanger 38, hot water in volumetric heat exchanger 38 first by temperature sensor 5 42 detected temperatures, when temperature sensor 5 42 detects the leaving water temperature value that hot water temperature sets lower than hot water supply, volumetric heat exchanger 38 will provide thermal source to compensate heating by auxiliary thermal source feed pipe 37, hot water temperature is made to maintain in the leaving water temperature value of hot water supply setting, and for providing hot water with grid 36, when temperature sensor 5 42 detects the leaving water temperature value that hot water temperature sets higher than hot water supply, volumetric heat exchanger 38 will stop compensating heating automatically, hot water backwater is taken out stains through filter 2 23 by hot water return pipe 24, magnetic valve 1, coil heat exchanger 25 is back to from water inlet pipe 16 after check-valves 1, cold water supplying pipe 9 supplements the deficiency of hot water backwater's amount, temperature sensor 4 20 detects hot water return pipe 24 temperature, when temperature sensor 4 20 detects that hot water return pipe 24 temperature is less than 5 DEG C lower than the leaving water temperature value that hot water supply sets, magnetic valve 1 cuts out, when temperature sensor 4 20 detects that hot water return pipe 24 temperature is more than or equal to 5 DEG C lower than the leaving water temperature value that hot water supply sets, circulation opened by magnetic valve 1,
Under normal condition, coil heat exchanger 25 is totally-enclosed pressure resistant vessel, frequency conversion heat-exchanger pump 21 is from water intaking in coil heat exchanger 25, and utilize cold water supplying pipe 9 and hot water return pipe 24 pressure by coil heat exchanger 25, frequency conversion heat-exchanger pump 21 carries out ftercompction relative to pressure sensor 2 34, constant voltage exports hot water and supplies to grid 36 to volumetric heat exchanger 38, the pressure sensor 2 34 being installed in coil heat exchanger 25 outlet pipe 30 detects water pipe 30 pressure, and compare with the water outlet constant voltage value of setting, when pressure sensor 2 34 detects outlet pipe 30 pressure lower than the water outlet constant voltage value set, frequency conversion heat-exchanger pump 21 will improve running frequency, outlet pipe 30 pressure raises, when pressure sensor 2 34 detects outlet pipe 30 pressure higher than the water outlet constant voltage value set, frequency conversion heat-exchanger pump 21 reduces running frequency, outlet pipe 30 pressure drop, frequency conversion heat-exchanger pump 21 pairs of outlet pipes 30 carry out frequency conversion and unvarying pressure control, and make outlet pipe 30 pressure remain in the water outlet constant voltage value of setting, in frequency conversion heat-exchanger pump 21 running, when the inflow of coil heat exchanger 25 is not enough, when cold water supplying pipe 9 rate of water make-up and hot water return pipe 24 internal circulating load sum are less than the water yield of coil heat exchanger 25 outlet pipe 30, coil heat exchanger 25 water level will decline, negative pressure canceller 28 is automatically opened and is filled into air, eliminate coil heat exchanger 25 negative pressure, frequency conversion heat-exchanger pump 21 still continues to run, when the lack of water water level that coil heat exchanger 25 water level decreasing sets to water level transmitter 26, frequency conversion heat-exchanger pump 21 stoppage protection, when coil heat exchanger 25 water level rezime, and during full water, negative pressure canceller 28 is closed automatically, coil heat exchanger 25 recovers normal, at coil heat exchanger 25 water level rezime, full water, and pressure sensor 1 detect water inlet pipe 16 pressure higher than more than the minimum voltage limiting value of setting time, frequency conversion heat-exchanger pump 21 starts and recovers normal operation.
Claims (8)
1. a solar energy domestic hot-water heat cycles supply system is primarily of solar thermal collector, thermal-arrest thermal storage water tank, solar energy circulating pump, heat circulation pump, frequency conversion heat-exchanger pump, coil heat exchanger, negative pressure canceller, volumetric heat exchanger and switch board composition, it is characterized in that, thermal-arrest thermal storage water tank water outlet is connected with for hot water supplying pipe, be connected with coil heat exchanger for hot water supplying pipe, coil heat exchanger is connected with heat supply return pipe, heat supply return pipe is connected with thermal-arrest thermal storage water tank again, and on hot water supplying pipe, heat circulation pump is housed, coil heat exchanger is also provided with water level transmitter, coil heat exchanger top is equiped with negative pressure canceller, be provided with water inlet pipe bottom coil heat exchanger to be connected with cold water supplying pipe, and water inlet pipe extend into the top in coil heat exchanger, coil heat exchanger bottom is provided with outlet pipe and is connected with volumetric heat exchanger, volumetric heat exchanger water outlet is connected with hot water feeding pipe, hot water feeding pipe is connected with grid, be connected with hot water return pipe with grid, hot water return pipe is connected with the water inlet pipe of coil heat exchanger again.
2. solar energy domestic hot-water heat cycles supply system according to claim 1, it is characterized in that, solar thermal collector water inlet is connected with solar water supply pipe, solar water supply pipe is connected with the thermal-arrest thermal storage water tank of setting, solar energy circulating pump solar water supply pipe is equipped with, solar thermal collector water outlet is connected with solar energy return pipe, solar energy return pipe is connected with thermal-arrest thermal storage water tank, before solar thermal collector water outlet connects solar energy return pipe, be provided with temperature sensor one, in thermal-arrest thermal storage water tank, be provided with level sensor and temperature sensor two.
3. solar energy domestic hot-water heat cycles supply system according to claim 1, it is characterized in that, thermal-arrest thermal storage water tank is connected with filling pipe, and at filling pipe, magnetic valve two is housed, and filling pipe is provided with water softening device after magnetic valve two.
4. solar energy domestic hot-water heat cycles supply system according to claim 1, is characterized in that, be connected with the thermal source import of coil heat exchanger for hot water supplying pipe, the thermal source outlet of coil heat exchanger is connected with heat supply return pipe.
5. solar energy domestic hot-water heat cycles supply system according to claim 1, it is characterized in that, cold water supplying pipe is provided with backflow preventer, cold water supplying pipe was provided with filter one before backflow preventer, and cold water supplying pipe is provided with electronic scale remover and pressure sensor one after backflow preventer.
6. solar energy domestic hot-water heat cycles supply system according to claim 1, is characterized in that, hot water return pipe is provided with filter two, expansion drum, temperature sensor four, magnetic valve one and check-valves one in turn along water (flow) direction.
7. solar energy domestic hot-water heat cycles supply system according to claim 1, it is characterized in that, the outlet pipe of coil heat exchanger is also equipped with frequency conversion heat-exchanger pump and check-valves two, walks around frequency conversion heat-exchanger pump and check-valves two is also provided with bypass pipe, and is provided with check-valves three on bypass pipe.
8. solar energy domestic hot-water heat cycles supply system according to claim 1, is characterized in that, volumetric heat exchanger is also provided with Pressure gauge, safety valve and temperature sensor five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575409.6A CN104848353A (en) | 2014-10-25 | 2014-10-25 | Solar domestic hot water heating circulation supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575409.6A CN104848353A (en) | 2014-10-25 | 2014-10-25 | Solar domestic hot water heating circulation supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104848353A true CN104848353A (en) | 2015-08-19 |
Family
ID=53848199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410575409.6A Pending CN104848353A (en) | 2014-10-25 | 2014-10-25 | Solar domestic hot water heating circulation supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104848353A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444429A (en) * | 2015-12-02 | 2016-03-30 | 西安蓝色海洋太阳能有限公司 | Domestic hot water supply system |
| CN111879011A (en) * | 2020-08-22 | 2020-11-03 | 孙玉洁 | Water heater intelligence heating control system based on cloud platform |
-
2014
- 2014-10-25 CN CN201410575409.6A patent/CN104848353A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444429A (en) * | 2015-12-02 | 2016-03-30 | 西安蓝色海洋太阳能有限公司 | Domestic hot water supply system |
| CN111879011A (en) * | 2020-08-22 | 2020-11-03 | 孙玉洁 | Water heater intelligence heating control system based on cloud platform |
| CN111879011B (en) * | 2020-08-22 | 2021-06-11 | 广州力王科技股份有限公司 | Water heater intelligence heating control system based on cloud platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104848292A (en) | Solar domestic hot water centralized heat exchange system | |
| CN104848309A (en) | Solar heat collecting-supplying and domestic hot water heat exchanging unit | |
| CN104848558A (en) | Solar hot water heat exchange system of auxiliary heat pump unit | |
| CN104848295A (en) | Self-adaption intelligent heat exchange station | |
| CN104848283A (en) | Heat exchange and recovery balancing device saving energy through waste heat of steam condensate | |
| CN104848353A (en) | Solar domestic hot water heating circulation supply system | |
| CN104848327A (en) | Geothermal water combined water source heat pump heating circulation system | |
| CN104864444A (en) | Heating system capable of realizing heat exchange by using geothermal water | |
| CN104848368A (en) | Multiple heat source complementary type heat-exchange hot-water supply system | |
| CN203857530U (en) | Electricity-assisted solar heating water heating furnace | |
| CN104848539A (en) | Supply system of hot water prepared by geothermal water combined with water source heat pump | |
| CN104848301A (en) | Geothermal heat supply hot water circulating system | |
| CN205807901U (en) | A kind of solar-heating heat of compression press system | |
| CN104848349A (en) | Solar heating heat-exchange unit | |
| CN104848556A (en) | Solar heat collection and heat exchange water supply system | |
| CN208606262U (en) | A kind of solar-energy air-energy bimodulus hot water supply apparatus | |
| CN104864471A (en) | Sanitary, energy-saving and environment-friendly solar centralized hot water system | |
| CN203177294U (en) | Light panel solar energy and fuel gas combined type heat supply system | |
| CN104848371A (en) | Multi-heat-source hot water supply system | |
| CN104848362A (en) | Solar hot water concentrated supply system | |
| CN104864470A (en) | Circulating water system capable of preparing domestic hot water with solar energy | |
| CN205655385U (en) | Solar water -heating supply station | |
| CN104848369A (en) | Geothermal water combined water source heat pump heating hot water circulation system | |
| CN104848332A (en) | Solar hot water heat exchanger unit | |
| CN104848319A (en) | Geothermal water heating circulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |
|
| WD01 | Invention patent application deemed withdrawn after publication |