CN104848349A - Solar heating heat-exchange unit - Google Patents

Solar heating heat-exchange unit Download PDF

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Publication number
CN104848349A
CN104848349A CN201410575341.1A CN201410575341A CN104848349A CN 104848349 A CN104848349 A CN 104848349A CN 201410575341 A CN201410575341 A CN 201410575341A CN 104848349 A CN104848349 A CN 104848349A
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China
Prior art keywords
pipe
heating
water
thermal
solar
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CN201410575341.1A
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Chinese (zh)
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不公告发明人
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Qingdao Wanli Technology Co Ltd
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Qingdao Wanli Technology Co Ltd
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Priority to CN201410575341.1A priority Critical patent/CN104848349A/en
Publication of CN104848349A publication Critical patent/CN104848349A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a solar heating heat-exchange unit which is mainly composed of solar thermal collectors, a heat collection and storage water tank, a circulating pump I, a circulating pump II, a water supplement variable-frequency pump, a plate heat exchanger, a circulating pump III, an auxiliary heater and a control cabinet, wherein outlet water of the heat collection and storage water tank is connected with a primary side inlet of the plate heat exchanger through a heating water-supply pipe; a primary side outlet of the plate heat exchanger is connected with the heat collection and storage water tank through a heating water return pipe; secondary side outlet water of the plate heat exchanger is connected with a heating water-supply pipe; the auxiliary heater is arranged on the heating water-supply pipe through the an auxiliary heat water inlet pipe and an auxiliary heat water outlet pipe which are connected in parallel; a heat source inlet of the auxiliary heater is connected with a heat medium water supply pipe; a heat source outlet of the auxiliary heater is connected with a heat medium water return pipe; and a temperature control valve is mounted on the heat medium water supply pipe. The solar heating heat-exchange unit has the benefits as follows: the solar heating heat-exchange unit has the advantages of efficiency, energy conservation, environment friendless, high safety and intelligent control, and energy can be saved by 40%-60% or above through solar energy.

Description

Solar heating heat-exchange unit
Technical field
The present invention relates to solar-heating technical field, specifically a kind of solar heating heat-exchange unit.
Background technology
Solar heating is that solar energy is converted to by heat collector the demand that heat energy heats in the winter time to meet heat supply user.Solar energy is a kind of clean and by they renewable sources of energy without cease; 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 heating is approved gradually as a kind of energy-saving and environmental protection and economic heating system and is promoted the use of; current solar heating great majority are confined to family individual heating, and rarely seen to solar energy central heating heat-exchange system.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation, safety and the good solar heating heat-exchange unit of result of use.
The technical solution adopted for the present invention to solve the technical problems is: solar heating heat-exchange unit is primarily of solar thermal collector, thermal-arrest thermal storage water tank, circulating pump one, circulating pump two, moisturizing variable frequency pump, plate type heat exchanger, circulating pump three, auxiliary hot heater and switch board composition, solar thermal collector water inlet is connected with solar energy heating forcing pipe, solar energy heating forcing pipe is connected with the thermal-arrest thermal storage water tank of setting, solar energy heating forcing pipe is equiped with circulating pump one, solar thermal collector water outlet is connected with solar water return pipe, solar water return pipe is connected with thermal-arrest thermal storage water tank again, solar thermal collector water outlet is provided with temperature sensor one before connecting solar water return pipe, temperature sensor two and level sensor is provided with in thermal-arrest thermal storage water tank, thermal-arrest thermal storage water tank is also connected with running water filling pipe, and at running water filling pipe, magnetic valve one is housed, be provided with water softening device after magnetic valve one and sofening treatment is carried out to the running water entering thermal-arrest thermal storage water tank, thermal-arrest thermal storage water tank water outlet is connected with the primary side import of the plate type heat exchanger of setting by adding hot water supplying pipe, be provided with circulating pump two adding on hot water supplying pipe, filter one is provided with before circulating pump two, add hot water supplying pipe after circulating pump two, thermometer two and Pressure gauge three is also provided with before plate type heat exchanger, the primary side outlet of plate type heat exchanger is connected with thermal-arrest thermal storage water tank by heating return pipe, the secondary side water inlet of plate type heat exchanger is connected after circulating pump three by heating water return pipe, circulating pump three water inlet is responsible for backwater and is connected, be responsible for by backwater again and be connected with heating water return pipe, and heating water return pipe is also provided with filter two before connecting backwater supervisor, circulating pump three water outlet is connected with main forcing pipe, be connected with the secondary side import of plate type heat exchanger by main forcing pipe again, main forcing pipe is provided with the Pressure gauge one being convenient to observe, backwater supervisor is equipped with safety valve, and be provided with pressure sensor one and thermometer one, backwater supervisor is also connected with heating filling pipe, the other end of heating filling pipe is connected with the bottom interface of thermal-arrest thermal storage water tank, heating filling pipe is equiped with moisturizing variable frequency pump and check-valves, moisturizing variable frequency pump is fetched water in thermal-arrest thermal storage water tank, and after pressurization, maintain the constant pressure of backwater supervisor and heating water return pipe, pressure sensor one is for detecting backwater main pipe pressure, safety valve is for pressure release during backwater supervisor superpressure, the secondary side water outlet of plate type heat exchanger is connected with heating and supplying water pipe, heating and supplying water pipe has also been arranged in parallel auxiliary hot heater by auxiliary hot water inlet pipe and auxiliary hot outlet pipe, be connected by auxiliary hot water inlet pipe and auxiliary hot outlet pipe respectively between heating and supplying water pipe with auxiliary hot heater, and auxiliary hot water inlet pipe is front, auxiliary hot outlet pipe is rear, heating and supplying water pipe is also provided with magnetic valve two between auxiliary hot water inlet pipe and auxiliary hot outlet pipe, auxiliary hot outlet pipe is provided with magnetic valve three, heating and supplying water pipe was provided with temperature sensor three and Pressure gauge two before auxiliary hot water inlet pipe, heating and supplying water pipe is provided with temperature control transmitter and pressure sensor two after auxiliary hot outlet pipe, described auxiliary hot heater provides thermal source by heating agent feed pipe, the thermal source import of auxiliary hot heater is connected with heating agent feed pipe, the thermal source outlet of auxiliary hot heater is connected with heating agent return pipe, heating agent feed pipe is equipped with temperature-sensing valve, filter three is provided with before temperature-sensing valve, and temperature-sensing valve regulates aperture relative to temperature control transmitter or cuts out the thermal source flow of heating agent feed pipe.
Described temperature sensor one, level sensor, temperature sensor two, circulating pump one, magnetic valve one, water softening device, circulating pump two, moisturizing variable frequency pump, pressure sensor one, circulating pump three, temperature sensor three, magnetic valve two, magnetic valve three, temperature control transmitter, pressure sensor two and temperature-sensing valve separately cabling line are connected with switch board respectively, switch board also cabling line is connected with outdoor temperature sensor disposed in the outdoor, and outdoor temperature sensor is used for climate temperature situation of change outside sensing chamber and by the Signal transmissions that detects to switch board.
Described temperature sensor one and temperature sensor two are respectively used to detect too can the temperature of heat collector and thermal-arrest thermal storage water tank, and be provided with and open pump temperature approach and termination of pumping temperature approach two control points, open pump temperature approach for controlled circulation pump one startup, it is out of service that termination of pumping temperature approach is used for controlled circulation pump one;
Described level sensor is provided with high water level point, low water level point and lack of water water level point three control points, and high water level point stops water inlet for controlling thermal-arrest thermal storage water tank, and magnetic valve one cuts out, water softening device dead electricity; Low water level point is used for thermal-arrest thermal storage water tank moisturizing, and magnetic valve one is opened, and water softening device obtains electric operation; Lack of water water level point is used for circulating pump one, circulating pump two and moisturizing variable frequency pump stoppage protection in controlling run.
Operation principle of the present invention is, solar energy is converted to heat energy by solar thermal collector, solar energy heating actuator temperature raises, when temperature sensor one detects that solar energy heating actuator temperature detects thermal-arrest thermal storage water tank temperature 2 DEG C ~ more than 5 DEG C higher than temperature sensor two, circulating pump one starts, the water of thermal-arrest thermal storage water tank pressurizes through circulating pump one, solar energy heating forcing 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 water return pipe, solar energy heating actuator temperature reduces, thermal-arrest thermal storage water tank temperature raises, until solar energy heating actuator temperature comparatively thermal-arrest thermal storage water tank temperature higher than during less than 1 DEG C, circulating pump one stops, solar thermal collector starts again heating, solar energy heating actuator temperature raises, until solar energy heating actuator temperature higher than thermal-arrest thermal storage water tank temperature set open pump temperature approach and following time, circulating pump one starts, when the termination of pumping temperature approach that solar energy heating actuator temperature sets higher than thermal-arrest thermal storage water tank temperature, circulating pump one stops, so repeatedly, reach solar thermal collector heating, the effect of thermal-arrest thermal storage water tank heat accumulation, when the low water level point that thermal-arrest thermal storage water tank water level decreasing to level sensor sets and following time, magnetic valve one is opened, water softening device obtains electric, running water enters thermal-arrest thermal storage water tank moisturizing by after running water filling pipe, magnetic valve one and water softening device, until thermal-arrest thermal storage water tank water level rise to level sensor setting high water level point and above time, magnetic valve one cuts out, water softening device dead electricity, and running water filling pipe stops intaking to thermal-arrest thermal storage water tank,
During solar heating, circulating pump two is fetched water from thermal-arrest thermal storage water tank, plate type heat exchanger quantity of heat given up is delivered to after pressurization, the heating hot water that heat is converted to heat supply user demand by plate type heat exchanger is more automatically and continuously exported by heating and supplying water pipe, the heating water return of heat supply user is taken out stains by filter two by heating water return pipe, circulating pump three is delivered to plate type heat exchanger after pressurizeing and heats, and produce user's heat demand and the heating hot water that is suitable for outdoor climate variations in temperature carries out heat supply, magnetic valve two is opened, magnetic valve three cuts out, temperature control transmitter adjusts the heating temperature of heating and supplying water pipe setting adaptively according to climate temperature situation of change outside outdoor temperature sensor sensing chamber, when outdoor climate temperature height, the heating temperature of heating and supplying water pipe setting is relatively low, when outdoor climate temperature is low, the heating temperature of heating and supplying water pipe setting wants high relatively, detecting that the actual measurement heating temperature of heating and supplying water pipe is lower than the setting heating temperature being suitable for outdoor climate variations in temperature, and when continuing 10 ~ 45min, magnetic valve three is opened, magnetic valve two cuts out, heating hot water flows out from plate type heat exchanger, enter auxiliary hot heater through auxiliary hot water inlet pipe and carry out supplementary heating, get back to heating and supplying water pipe by auxiliary hot outlet pipe again to export, and the heating temperature making heating and supplying water pipe export maintains and is suitable on the setting heating temperature of outdoor climate variations in temperature, now temperature-sensing valve is suitable for the heating temperature of outdoor climate variations in temperature setting to regulate the flow of heating agent feed pipe according to temperature control transmitter, temperature-sensing valve can regulate the flow of heating agent feed pipe in the scope being closed to standard-sized sheet, when temperature-sensing valve cuts out, and when continuing 3 ~ more than 10min, magnetic valve two is opened, magnetic valve three cuts out, auxiliary hot heater stops heating,
In circulating pump three running, when pressure sensor one detects backwater main pipe pressure lower than the constant voltage value set, moisturizing variable frequency pump starts, moisturizing variable frequency pump is fetched water from thermal-arrest thermal storage water tank, after frequency conversion pressurization, carry out frequency-changing pressure stabilizing moisturizing to backwater supervisor, when backwater main pipe pressure is stabilized in the constant voltage force value of setting and maintains 30s ~ 60s, moisturizing variable frequency pump is shut down and is completed frequency-changing pressure stabilizing moisturizing; When pressure sensor one detects backwater main pipe pressure lower than the water deprivation stress value set; system will judge backwater supervisor and heating water return pipe lack of water; circulating pump three stoppage protection is also reported to the police; when backwater main pipe pressure returns to the constant voltage value of setting, circulating pump three automatically starts and recovers normal operation.
The invention has the beneficial effects as follows, the present invention has energy-efficient, environmental protection, the advantage such as safety and intelligentized control method, can utilize solar energy economize energy more than 40% ~ 60%.
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 water return pipe, 4, solar energy heating forcing pipe, 5, thermal-arrest thermal storage water tank, 6, level sensor, 7, temperature sensor two, 8, circulating pump one, 9, magnetic valve one, 10, running water filling pipe, 11, water softening device, 12, heating filling pipe, 13, add hot water supplying pipe, 14, circulating pump two, 15, moisturizing variable frequency pump, 16, check-valves, 17, filter one, 18, heating return pipe, 19, plate type heat exchanger, 20, pressure sensor one, 21, backwater is responsible for, and 22, thermometer one, 23, safety valve, 24, filter two, 25, heating water return pipe, 26, circulating pump three, 27, main forcing pipe, 28, Pressure gauge one, 29, temperature sensor three, 30, magnetic valve two, 31, magnetic valve three, 32, temperature control transmitter, 33, pressure sensor two, 34, heating and supplying water pipe, 35, auxiliary hot outlet pipe, 36, auxiliary hot heater, 37, temperature-sensing valve, 38, filter three, 39, heating agent return pipe, 40, heating agent feed pipe, 41, cable, 42, auxiliary hot water inlet pipe, 43, Pressure gauge two, 44, thermometer two, 45, Pressure gauge three, 46, switch board, 47, outdoor temperature sensor.
Detailed description of the invention
With regard to accompanying drawing 1, solar heating heat-exchange unit of the present invention is described in detail below below.
As shown in Figure 1, solar heating heat-exchange unit of the present invention is primarily of solar thermal collector 1, thermal-arrest thermal storage water tank 5, circulating pump 1, circulating pump 2 14, moisturizing variable frequency pump 15, plate type heat exchanger 19, circulating pump 3 26, auxiliary hot heater 36 and switch board 46 form, solar thermal collector 1 water inlet is connected with solar energy heating forcing pipe 4, solar energy heating forcing pipe 4 is connected with the thermal-arrest thermal storage water tank 5 arranged, solar energy heating forcing pipe 4 is equiped with circulating pump 1, solar thermal collector 1 water outlet is connected with solar water return pipe 3, solar water return pipe 3 is connected with thermal-arrest thermal storage water tank 5 again, solar thermal collector 1 water outlet is provided with temperature sensor 1 before connecting solar water return pipe 3, temperature sensor 27 and level sensor 6 is provided with in thermal-arrest thermal storage water tank 5, thermal-arrest thermal storage water tank 5 is also connected with running water filling pipe 10, and at running water filling pipe 10, magnetic valve 1 is housed, be provided with water softening device 11 after magnetic valve 1 and sofening treatment is carried out to the running water entering thermal-arrest thermal storage water tank 5, thermal-arrest thermal storage water tank 5 water outlet is connected by adding the primary side import of hot water supplying pipe 13 with the plate type heat exchanger 19 arranged, be provided with circulating pump 2 14 adding on hot water supplying pipe 13, filter 1 is provided with before circulating pump 2 14, add hot water supplying pipe 13 after circulating pump 2 14, thermometer 2 44 and Pressure gauge 3 45 is also provided with before plate type heat exchanger 19, the primary side outlet of plate type heat exchanger 19 is connected with thermal-arrest thermal storage water tank 5 by heating return pipe 18, the secondary side water inlet of plate type heat exchanger 19 is connected after circulating pump 3 26 by heating water return pipe 25, circulating pump 3 26 water inlet is responsible for 21 with backwater and is connected, be responsible for 21 by backwater to be again connected with heating water return pipe 25, and heating water return pipe 25 is also provided with filter 2 24 before connecting backwater supervisor 21, circulating pump 3 26 water outlet is connected with main forcing pipe 27, be connected with the secondary side import of plate type heat exchanger 19 by main forcing pipe 27 again, main forcing pipe 27 is provided with the Pressure gauge 1 being convenient to observe, backwater supervisor 21 is equipped with safety valve 23, and be provided with pressure sensor 1 and thermometer 1, backwater supervisor 21 is also connected with heating filling pipe 12, the other end of heating filling pipe 12 is connected with the bottom interface of thermal-arrest thermal storage water tank 5, heating filling pipe 12 is equiped with moisturizing variable frequency pump 15 and check-valves 16, moisturizing variable frequency pump 15 is from water intaking in thermal-arrest thermal storage water tank 5, and after pressurization, maintain the constant pressure of backwater supervisor 21 and heating water return pipe 25, pressure sensor 1 is responsible for 21 pressure for detecting backwater, pressure release when safety valve 23 is responsible for 21 superpressure for backwater, the secondary side water outlet of plate type heat exchanger 19 is connected with heating and supplying water pipe 34, heating and supplying water pipe 34 has also been arranged in parallel auxiliary hot heater 36 by auxiliary hot water inlet pipe 42 and auxiliary hot outlet pipe 35, be connected by auxiliary hot water inlet pipe 42 and auxiliary hot outlet pipe 35 respectively between heating and supplying water pipe 34 with auxiliary hot heater 36, and auxiliary hot water inlet pipe 42 is front, auxiliary hot outlet pipe 35 is rear, heating and supplying water pipe 34 is also provided with magnetic valve 2 30 between auxiliary hot water inlet pipe 42 and auxiliary hot outlet pipe 35, auxiliary hot outlet pipe 35 is provided with magnetic valve 3 31, heating and supplying water pipe 34 was provided with temperature sensor 3 29 and Pressure gauge 2 43 before auxiliary hot water inlet pipe 42, heating and supplying water pipe 34 is provided with temperature control transmitter 32 and pressure sensor 2 33 after auxiliary hot outlet pipe 35, described auxiliary hot heater 36 provides thermal source by heating agent feed pipe 40, the thermal source import of auxiliary hot heater 36 is connected with heating agent feed pipe 40, the thermal source outlet of auxiliary hot heater 36 is connected with heating agent return pipe 39, heating agent feed pipe 40 is equipped with temperature-sensing valve 37, filter 3 38 is provided with before temperature-sensing valve 37, and temperature-sensing valve 37 regulates aperture relative to temperature control transmitter 32 or cuts out the thermal source flow of heating agent feed pipe 40.
Described temperature sensor 1, level sensor 6, temperature sensor 27, circulating pump 1, magnetic valve 1, water softening device 11, circulating pump 2 14, moisturizing variable frequency pump 15, pressure sensor 1, circulating pump 3 26, temperature sensor 3 29, magnetic valve 2 30, magnetic valve 3 31, temperature control transmitter 32, pressure sensor 2 33 and temperature-sensing valve 37 separately cabling line 41 are connected with switch board 46 respectively, switch board 46 is gone back cabling line 41 and is connected with outdoor temperature sensor 47 disposed in the outdoor, outdoor temperature sensor 47 is for climate temperature situation of change outside sensing chamber, and by the Signal transmissions that detects to switch board 46.
Described temperature sensor 1 and temperature sensor 27 are respectively used to detect too can the temperature of heat collector 1 and thermal-arrest thermal storage water tank 5, and be provided with and open pump temperature approach and termination of pumping temperature approach two control points, open pump temperature approach to start for controlled circulation pump 1, it is out of service that termination of pumping temperature approach is used for controlled circulation pump 1;
Described level sensor 6 is provided with high water level point, low water level point and lack of water water level point three control points, and high water level point stops water inlet for controlling thermal-arrest thermal storage water tank 5, and magnetic valve 1 cuts out, water softening device 11 dead electricity; Low water level point is used for thermal-arrest thermal storage water tank 5 moisturizing, and magnetic valve 1 is opened, and water softening device 11 obtains electric operation; Lack of water water level point is used for circulating pump 1, circulating pump 2 14 and moisturizing variable frequency pump 15 stoppage protection in controlling run.
Operation principle of the present invention is, solar energy is converted to heat energy by solar thermal collector 1, solar thermal collector 1 temperature raises, when temperature sensor 1 detects that solar thermal collector 1 temperature detects thermal-arrest thermal storage water tank 5 temperature 2 DEG C ~ more than 5 DEG C higher than temperature sensor 27, circulating pump 1 starts, the water of thermal-arrest thermal storage water tank 5 pressurizes through circulating pump 1, solar energy heating forcing pipe 4 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 5 by solar water return pipe 3, solar thermal collector 1 temperature reduces, thermal-arrest thermal storage water tank 5 temperature raises, until solar thermal collector 1 temperature comparatively thermal-arrest thermal storage water tank 5 temperature higher than during less than 1 DEG C, circulating pump 1 stops, solar thermal collector 1 starts again heating, solar thermal collector 1 temperature raises, until solar thermal collector 1 temperature higher than thermal-arrest thermal storage water tank 5 temperature set open pump temperature approach and following time, circulating pump 1 starts, when the termination of pumping temperature approach that solar thermal collector 1 temperature sets higher than thermal-arrest thermal storage water tank 5 temperature, circulating pump 1 stops, so repeatedly, reach solar thermal collector 1 to heat, the effect of thermal-arrest thermal storage water tank 5 heat accumulation, when the low water level point that thermal-arrest thermal storage water tank 5 water level decreasing to level sensor 6 sets and following time, magnetic valve 1 is opened, water softening device 11 obtains electric, running water enters thermal-arrest thermal storage water tank 5 moisturizing by after running water filling pipe 10, magnetic valve 1 and water softening device 11, until thermal-arrest thermal storage water tank 5 water level rise to level sensor 6 set high water level point and above time, magnetic valve 1 cuts out, water softening device 11 dead electricity, and running water filling pipe 10 stops intaking to thermal-arrest thermal storage water tank 5,
During solar heating, circulating pump 2 14 is fetched water from thermal-arrest thermal storage water tank 5, plate type heat exchanger 19 quantity of heat given up is delivered to after pressurization, the heating hot water that heat is converted to heat supply user demand by plate type heat exchanger 19 is more automatically and continuously exported by heating and supplying water pipe 34, the heating water return of heat supply user is taken out stains by filter 2 24 by heating water return pipe 25, circulating pump 3 26 is delivered to plate type heat exchanger 19 after pressurizeing and heats, and produce user's heat demand and the heating hot water that is suitable for outdoor climate variations in temperature carries out heat supply, magnetic valve 2 30 is opened, magnetic valve 3 31 cuts out, temperature control transmitter 32 adjusts the heating temperature of heating and supplying water pipe 34 setting adaptively according to climate temperature situation of change outside outdoor temperature sensor 47 sensing chamber, when outdoor climate temperature height, the heating temperature that heating and supplying water pipe 34 sets is relatively low, when outdoor climate temperature is low, the heating temperature that heating and supplying water pipe 34 sets wants high relatively, detecting that the actual measurement heating temperature of heating and supplying water pipe 34 is lower than the setting heating temperature being suitable for outdoor climate variations in temperature, and when continuing 10 ~ 45min, magnetic valve 3 31 is opened, magnetic valve 2 30 cuts out, heating hot water flows out from plate type heat exchanger 19, enter auxiliary hot heater 36 through auxiliary hot water inlet pipe 42 and carry out supplementary heating, get back to heating and supplying water pipe 34 by auxiliary hot outlet pipe 35 again to export, and the heating temperature making heating and supplying water pipe 34 export maintains and is suitable on the setting heating temperature of outdoor climate variations in temperature, now temperature-sensing valve 37 is suitable for the heating temperature of outdoor climate variations in temperature setting to regulate the flow of heating agent feed pipe 40 according to temperature control transmitter 32, temperature-sensing valve 37 can regulate the flow of heating agent feed pipe 40 in the scope being closed to standard-sized sheet, when temperature-sensing valve 37 cuts out, and when continuing 3 ~ more than 10min, magnetic valve 2 30 is opened, magnetic valve 3 31 cuts out, auxiliary hot heater 36 stops heating,
In circulating pump 3 26 running, when pressure sensor 1 detects that backwater is responsible for 21 pressure lower than the constant voltage value set, moisturizing variable frequency pump 15 starts, moisturizing variable frequency pump 15 is fetched water from thermal-arrest thermal storage water tank 5, after frequency conversion pressurization, carry out frequency-changing pressure stabilizing moisturizing to backwater supervisor 21, when backwater be responsible for 21 pressure stabilitys set constant voltage force value and maintain 30s ~ 60s time, frequency-changing pressure stabilizing moisturizing is shut down and completed to moisturizing variable frequency pump 15; When pressure sensor 1 detects that backwater is responsible for 21 pressure lower than the water deprivation stress value set; system will judge backwater supervisor 21 and heating water return pipe 25 lack of water; circulating pump 3 26 stoppage protection is also reported to the police; when backwater is responsible for 21 pressure recover to the constant voltage value set, circulating pump 3 26 automatically starts and recovers normal operation.

Claims (6)

1. a solar heating heat-exchange unit is primarily of solar thermal collector, thermal-arrest thermal storage water tank, circulating pump one, circulating pump two, moisturizing variable frequency pump, plate type heat exchanger, circulating pump three, auxiliary hot heater and switch board composition, solar thermal collector water inlet is connected with solar energy heating forcing pipe, solar energy heating forcing pipe is connected with the thermal-arrest thermal storage water tank of setting, solar energy heating forcing pipe is equiped with circulating pump one, it is characterized in that, thermal-arrest thermal storage water tank water outlet is connected with the primary side import of the plate type heat exchanger of setting by adding hot water supplying pipe, be provided with circulating pump two adding on hot water supplying pipe, the primary side outlet of plate type heat exchanger is connected with thermal-arrest thermal storage water tank by heating return pipe, the secondary side water inlet of plate type heat exchanger is connected after circulating pump three by heating water return pipe, circulating pump three water inlet is responsible for backwater and is connected, be responsible for by backwater again and be connected with heating water return pipe, circulating pump three water outlet is connected with main forcing pipe, be connected with the secondary side import of plate type heat exchanger by main forcing pipe again, backwater supervisor is provided with pressure sensor one, backwater supervisor is also connected with heating filling pipe, the other end of heating filling pipe is connected with the bottom interface of thermal-arrest thermal storage water tank, heating filling pipe is equiped with moisturizing variable frequency pump and check-valves, the secondary side water outlet of plate type heat exchanger is connected with heating and supplying water pipe, heating and supplying water pipe has also been arranged in parallel auxiliary hot heater by auxiliary hot water inlet pipe and auxiliary hot outlet pipe, the thermal source import of auxiliary hot heater is connected with heating agent feed pipe, the thermal source outlet of auxiliary hot heater is connected with heating agent return pipe, heating agent feed pipe is equipped with temperature-sensing valve.
2. solar heating heat-exchange unit according to claim 1, it is characterized in that, solar thermal collector water outlet is connected with solar water return pipe, solar water return pipe is connected with thermal-arrest thermal storage water tank again, solar thermal collector water outlet is provided with temperature sensor one before connecting solar water return pipe, is provided with temperature sensor two and level sensor in thermal-arrest thermal storage water tank.
3. solar heating heat-exchange unit according to claim 1, is characterized in that, thermal-arrest thermal storage water tank is also connected with running water filling pipe, and at running water filling pipe, magnetic valve one is housed, and is provided with water softening device after magnetic valve one.
4. solar heating heat-exchange unit according to claim 1, is characterized in that, adds hot water supplying pipe and be provided with filter one before circulating pump two, adds hot water supplying pipe after circulating pump two, before plate type heat exchanger, is also provided with thermometer two and Pressure gauge three.
5. solar heating heat-exchange unit according to claim 1, it is characterized in that, be connected by auxiliary hot water inlet pipe and auxiliary hot outlet pipe respectively between heating and supplying water pipe with auxiliary hot heater, and auxiliary hot water inlet pipe at front, auxiliary hot outlet pipe rear, heating and supplying water pipe is also provided with magnetic valve two between auxiliary hot water inlet pipe and auxiliary hot outlet pipe, auxiliary hot outlet pipe is provided with magnetic valve three, heating and supplying water pipe was provided with temperature sensor three and Pressure gauge two before auxiliary hot water inlet pipe, and heating and supplying water pipe is provided with temperature control transmitter and pressure sensor two after auxiliary hot outlet pipe.
6. solar heating heat-exchange unit according to claim 1, is characterized in that, switch board cabling line is connected with outdoor temperature sensor disposed in the outdoor.
CN201410575341.1A 2014-10-25 2014-10-25 Solar heating heat-exchange unit Pending CN104848349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410575341.1A CN104848349A (en) 2014-10-25 2014-10-25 Solar heating heat-exchange unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410575341.1A CN104848349A (en) 2014-10-25 2014-10-25 Solar heating heat-exchange unit

Publications (1)

Publication Number Publication Date
CN104848349A true CN104848349A (en) 2015-08-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410575341.1A Pending CN104848349A (en) 2014-10-25 2014-10-25 Solar heating heat-exchange unit

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860149A (en) * 2017-11-07 2018-03-30 北京拓首能源科技股份有限公司 A kind of second-kind absorption-type heat pump of solar energy auxiliary heating
CN110285466A (en) * 2019-07-30 2019-09-27 山东省水利科学研究院 A kind of water circulation type environment-friendly household solar energy heating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860149A (en) * 2017-11-07 2018-03-30 北京拓首能源科技股份有限公司 A kind of second-kind absorption-type heat pump of solar energy auxiliary heating
CN110285466A (en) * 2019-07-30 2019-09-27 山东省水利科学研究院 A kind of water circulation type environment-friendly household solar energy heating device

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