CN202769996U - Solar heating-medium water heating system - Google Patents

Abstract

A solar heating medium water heating system relates to a solar heating equipment. The system is mainly composed of a solar collector array, a medium water pump, a water separator, a water collector, an expansion tank and connecting pipes. The output of the solar collector array is connected to the inlet of the medium water pump through a medium water delivery pipe, and the The outlet is connected to the water main valve on the distributor through the water pipe, the main water valve is connected to the water distributor through the water main interface, and the water distributor is connected to the heating terminal through the water distribution interface, the water distribution valve and the insulation pipe The inlet of the equipment; the outlet of the heating terminal equipment is connected to the return water valve of the water collector through the return water pipe, and the return water valve is connected to the water collector through the return water circuit interface. The main water valve and the return pipe a are connected to the input end of the solar collector array, and the expansion water interface of the expansion tank passes through the expansion pipe and is connected to the return pipe a. This system is suitable for application in restaurants, office buildings and residential areas with central heating.

Description

Solar heating medium water heating system

technical field

The utility model relates to solar water heating equipment, in particular to a solar heating equipment.

Background technique

Solar energy is a clean natural renewable energy, inexhaustible and inexhaustible, and it is an energy that can be shared by all. At present, human beings have made significant progress in the utilization of solar energy, especially in the field of solar water heaters, which are widely used. At present, the core components of civil solar water heaters are glass vacuum tubes, and the technology is quite mature. Among them, the three tubes with "high temperature resistance, high cold resistance, and high-efficiency absorption" have achieved super absorption, less heat loss, and fast heating effects. There is light, and hot water is produced as usual at minus 30°C. However, the glass vacuum tube can only work under normal pressure, and a slight water pressure will cause the glass vacuum tube to burst. Therefore, the scope of use is limited and cannot be used in heating projects.

Chinese patent application No. 2012103624031 discloses a pressurized solar thermal collector of the applicant, whose operating pressure reaches above 4MPa, which is sufficient to withstand the pressure of the system pipe network, and efficiently absorbs solar energy to produce hot water. The pressurized solar thermal collector The heat-collecting copper tube is placed in a transparent vacuum environment. The water is in the heat-collecting copper tube. After being irradiated by sunlight, the solar heat energy is transferred to the water in the tube. The temperature of the water rises and the density decreases. The interface is supplemented into the heat collecting copper tube for circulating heating. For example, the pressure-bearing solar collector is used as the heating equipment of the building heating system, which expands the scope of solar energy utilization, reduces the consumption of coal resources and reduces the pollution to the environment.

Utility model content

The purpose of this utility model is to provide a solar heating medium water heating system that can withstand the pressure of the system pipe network and absorb solar energy efficiently. It is suitable for use in restaurants, office buildings and residential areas, and supplies heating medium water for users to expand the utilization of solar energy. range, reduce the consumption of coal resources and reduce environmental pollution, and protect the ecological environment.

A solar heating medium water heating system of the utility model is mainly composed of a solar heat collector array, a medium water pump (13), a water separator (41), a water collector (38), an expansion tank (5) and connecting pipes , wherein the solar heat collector array is composed of a plurality of pressurized solar heat collectors (18) connected in series and parallel, and the pressurized solar heat collectors (18) are composed of upper joints (18-2), transparent Glass tube (18-3), heat collecting copper tube (18-5) and lower joint (18-6), the inner space of transparent glass tube (18-3) constitutes vacuum chamber (18-4), heat collecting copper The tube (18-5) is set in the vacuum chamber (18-4), the inner space of the heat collecting copper tube (18-5) constitutes the heat collecting cavity, and the outer surface of the heat collecting copper tube (18-5) is coated with spectral selective Absorbing paint, used to absorb solar radiation energy, the upper end of the transparent glass tube (18-3) is connected to the upper joint (18-2), and the lower end of the transparent glass tube (18-3) is connected to the lower joint (18-6) , the upper joint (18-2) is connected to the hot water circulation outlet (18-1), the lower joint (18-6) is connected to the circulating water inlet (18-7), and the heat collecting copper pipe (18-5) The two ends of the heat collecting chamber are respectively connected to the circulating water inlet (18-7) and the hot water circulating outlet (18-1); ), medium water circuit interface and medium water circuit valve; there are return water circuit interface, return water circuit valve, return water main interface (36) and return water main valve (37) on the water collector (38); the expansion tank (5 ) with a breathing tube (1) and expansion water connection (9), the breathing tube (1) is on the top of the expansion tank (5), and the expansion water connection (9) is at the bottom of the expansion tank (5); the solar collector array The output end of the medium water pump (13) is connected to the inlet of the medium water pump (13) through the medium water delivery pipe (20), and the outlet of the medium water pump (13) is connected to the main medium water valve (44) on the water distributor (41) through the medium water pipe (11) The inlet of the medium water main valve (44) is connected to the water distributor (41) through the medium water main interface (42), and the water distributor (41) is connected through the medium water channel interface, the medium water channel valve and the heat preservation pipeline in turn to the inlet of the heating terminal equipment; the outlet of the heating terminal equipment is connected to the inlet of the return water valve of the water collector (38) through the return water pipe, and the outlet of the return water valve is connected to the water collector (38) through the return water circuit interface ), the water collector (38) is connected to the input end of the solar collector array through the main return water interface (36), the main return water valve (37) and the return water pipe a (12) in turn; the expansion of the expansion tank (5) The water connection (9) is connected to the return pipe a (12) through the expansion water pipe (10); the supplementary water connection (2) is connected to the expansion tank (5) or the return pipe a (12), and the supplementary water The interface (2) is connected to the water supply network through the water inlet valve a (4).

In the utility model, the plurality of pressurized solar heat collectors (18) are more than twenty pressurized solar heat collectors (18); the series and parallel connections include: series, parallel, and series After parallel connection, parallel connection and then series connection, when the solar heat collector array is combined in series, the hot water circulation outlet (18-1) of the pressurized solar heat collector (18) on the top layer constitutes the solar energy The output end of the heat collector array and the circulating water inlet (18-7) of the pressurized solar heat collector (18) at the bottom constitute the input end of the solar heat collector array; when the solar heat collector array is combined in parallel When the hot water circulation outlets (18-1) of multiple pressurized solar collectors (18) are connected in parallel to form the output end of the solar collector array, the outlets of multiple pressurized solar collectors (18) The circulating water inlets (18-7) are connected in parallel to form the input end of the solar heat collector array.

In the utility model, there is a medium water temperature gauge (45) and an automatic exhaust valve (46) on the medium water pipe (11), and a return water temperature gauge (40) on the return water pipe a (12); The bottom of 5) is connected to the sewage discharge port (6), which is connected to the sewage discharge pipe (8) through the sewage discharge valve (7); between the medium water delivery pipe (20) and the medium water pump (13) inlet There is an inspection valve (21) and a filter (14) between them, and the media water delivery pipe (20) is connected to the inlet of the media water pump (13) through the inspection valve (21) and the filter (14) in sequence.

In the utility model, a boiler (25), a hot water pump (33) and a heat exchanger (16) are set in the system, and the boiler (25), the hot water pump (33) and the heat exchanger (16) are used as auxiliary heating equipment, wherein , the boiler (25) is mainly composed of a drum, a hot water outlet (29), a water outlet valve (30), a water return valve (28), a working return water inlet (27), a supplementary water inlet (24) and a water inlet valve b ( 23) composition, the hot water outlet (29) is connected to the drum from the top, the working return water inlet (27) is connected to the drum from the middle and lower parts, and the supplementary water inlet (24) is connected to the drum from the lower part; the heat exchanger (16 ) has a medium water outlet (15), a return water inlet (17), a working water inlet (35) and a working return water outlet (26), and the heat exchanger (16) has a medium water circuit and a working water circuit respectively. The two ends of the water circuit are respectively connected to the return water inlet (17) and the medium water outlet (15), and the two ends of the working water circuit are respectively connected to the working water inlet (35) and the working return water outlet (26); the heat exchanger ( 16) Set between the medium water delivery pipe (20) and the inlet of the medium water pump (13), the medium water delivery pipe (20) is connected to the return water inlet (17) of the heat exchanger (16), and the heat exchanger (16) ) is connected to the inlet of the medium water pump (13); the hot water outlet (29) of the boiler (25) is connected to the hot water pump (33) through the water outlet valve (30) and the hot water pipe a (32) The inlet of the hot water pump (33), the outlet of the hot water pump (33) is connected to the working water inlet (35) of the heat exchanger (16) through the hot water pipe b (34), and the working return water outlet (26) of the heat exchanger (16) is The water pipe b (31) and the return valve (28) are connected to the working return water inlet (27) of the boiler (25); the makeup water inlet (24) of the boiler (25) is connected to the water supply pipe through the water inlet valve b (23) online.

In the above-mentioned utility model, there is an overhaul valve (21) between the medium water delivery pipe (20) and the return water inlet (17) of the heat exchanger (16), and a maintenance valve (21) is provided between the medium water outlet (15) of the heat exchanger (16). ) with a filter (14) between the inlet of the medium water pump (13).

The above-mentioned utility model is used as heating medium water heating equipment for central heating. In the system, the heat-collecting copper tube of the pressurized solar heat collector (15) has a diameter of 25mm and a wall thickness of 2mm, and the working pressure of the heat collector reaches 4MPa. The above is enough to withstand the pressure of the system pipe network. The outer surface of the heat collecting copper tube is coated with a spectrally selective absorption coating including copper oxide, black nickel, black chromium, black zinc, and black copper to absorb solar radiation energy efficiently. , the energy of solar radiation is transferred to the water in the heat-collecting copper tube. After the water heats up, the density becomes smaller and moves upward. It enters the terminal equipment of the heating system to provide heat for users, and the return water enters the heat-collecting copper pipe through the thermal insulation pipe, the water collector and the input end of the solar collector array for circulating heating. In the utility model, the temperature of the heating medium water is controlled between 55°C and 65°C, and when the above temperature cannot be reached due to insufficient sunlight, the boiler is used for auxiliary heating. In the utility model, the installation position of the solar heat collector array depends on the site environment, and can be installed on the outer wall facing the sun, on the ground or on the roof.

In the above utility model, the number of pressurized solar heat collectors (15) used is designed with reference to the heating capacity of the solar heat collectors (15) combined with the heating area of the building.

The beneficial effects of the utility model are: using solar energy to heat heating medium water, so as to expand the range of solar energy utilization, reduce the consumption of coal resources and environmental pollution, and protect the ecological environment. The utility model is suitable for application in restaurants, office buildings and residential areas with central heating.

Description of drawings

Accompanying drawing is a kind of solar heating medium water heating system diagram of the utility model.

In the figure: 1. The breathing pipe of the expansion tank, 2. The supplementary water connection of the expansion tank, 3. The water supply pipe network, 4. The water inlet valve a of the expansion tank, 5. The expansion tank, 6. The sewage outlet connection of the expansion tank, 7 .Drain valve of expansion tank, 8. Sewage pipe, 9. Expansion water connection, 10. Expansion water pipe, 11. Medium water pipe, 12. Return water pipe a, 13. Medium water pump, 14. Filter, 15. Heat exchanger Medium water outlet, 16. Heat exchanger, 17. Return water inlet of heat exchanger, 18. Pressure-bearing solar collector, 20. Medium water delivery pipe, 21. Maintenance valve, 22. Water supply pipe network, 23. Boiler water inlet valve b, 24. Boiler supplementary water inlet, 25. Boiler, 26. Heat exchanger working return water outlet, 27. Boiler working return water inlet, 28. Boiler return water valve, 29. Boiler hot water outlet, 30. outlet valve of boiler, 31. return pipe b, 32. hot water pipe a, 33. hot water pump, 34. hot water pipe b, 35. working water inlet of heat exchanger, 36. set The main return water interface of the water collector, 37. The main return water valve of the water collector, 38. The water collector, 39. The return water circuit valve of the water collector, 40. The return water temperature gauge, 41. The water separator, 42 .Medium water main interface of the water separator, 43. The medium water branch valve of the water separator, 44. The main water valve of the water separator, 45. The medium water thermometer, 46. The automatic exhaust valve; 18-1. The hot water circulation outlet of the heat collector, 18-2. The upper joint of the heat collector, 18-3. The transparent glass tube of the heat collector, 184. The vacuum chamber of the heat collector, 18-5. The collector of the heat collector Heat copper pipe, 18-6. The lower joint of the heat collector, 18-7. The circulating water inlet of the heat collector.

Detailed ways

In the embodiment shown in the drawings, the solar heating medium water heating system mainly consists of a solar collector array, a medium water pump (13), a water separator (41), a water collector (38), an expansion tank (5), a boiler (25), hot water pump (33), heat exchanger (16) and connecting pipes, wherein, the solar collector array is installed on the sunny ground, and the solar collector array is composed of 300 pressurized solar collectors The solar collectors (18) are combined in parallel and then in series. The pressure-bearing solar collector (18) consists of an upper joint (18-2), a transparent glass tube (18-3), a heat collecting copper tube (18- 5) and the lower joint (18-6), the inner space of the transparent glass tube (18-3) forms a vacuum chamber (18-4), and the heat collecting copper tube (18-5) is set in the vacuum chamber (18-4) Among them, the inner space of the heat-collecting copper tube (18-5) constitutes a heat-collecting cavity, and the outer surface of the heat-collecting copper tube (18-5) is coated with a spectrally selective absorption paint for absorbing solar radiation energy, and the transparent glass tube ( The upper end of 18-3) is connected to the upper joint (18-2), the lower end of the transparent glass tube (18-3) is connected to the lower joint (18-6), and the upper joint (18-2) has a hot water circulation outlet (18 -1) Connected, the lower joint (18-6) is connected to the circulating water inlet (18-7), and the two ends of the heat collecting chamber in the heat collecting copper tube (18-5) are respectively connected to the circulating water inlet (18- 7) and the hot water circulation outlet (18-1), the hot water circulation outlet (18-1) of the pressurized solar heat collector (18) on the top layer is connected together to form the output end of the solar heat collector array, and the bottom layer The circulating water inlet (18-7) of the pressurized solar heat collector (18) is connected in parallel to form the input end of the solar heat collector array; there is a medium water main valve (44), medium water The main interface (42), the medium water channel interface and the medium water channel valve; the water collector (38) has the water return circuit interface, the water return channel valve, the main water return interface (36) and the main water return valve (37); There is a breathing tube (1), expansion water connection (9), supplementary water connection (2) and sewage discharge connection (6) on the expansion tank (5), the breathing tube (1) is on the top of the expansion tank (5), and the expansion water connection (9) At the lower part of the expansion tank (5), the supplementary water connection (2) is at the upper part of the expansion tank (5), and the sewage discharge connection (6) is at the bottom of the expansion tank (5); the boiler (25) is mainly composed of a drum, Hot water outlet (29), water outlet valve (30), return water valve (28), working return water inlet (27), supplementary water inlet (24) and water inlet valve b (23), hot water outlet (29) It is connected to the drum from the top, the working return water inlet (27) is connected to the drum from the middle and lower parts, and the supplementary water inlet (24) is connected to the drum from the lower part; the heat exchanger (16) has a medium water outlet (15), The return water inlet (17), the working water inlet (35) and the working return water outlet (26). The heat exchanger (16) has a medium water circuit and a working water circuit respectively, and the two ends of the medium water circuit are respectively connected to the return water Import (17) and medium water outlet (15), working water The two ends of the circuit are respectively connected to the working water inlet (35) and the working return water outlet (26); the output end of the solar collector array is connected to the heat exchanger ( 16), the return water inlet (17), the media water outlet (15) of the heat exchanger (16) is connected to the inlet of the media water pump (13) through the filter (14), and the outlet of the media water pump (13) passes through the media water pipe ( 11) Connect to the inlet of the main media water valve (44) on the water distributor (41), and the outlet of the main media water valve (44) is connected to the water distributor (41) through the water main interface (42), and the water distributor (41) Connect to the inlet of the heating terminal equipment through the medium-water circuit interface, the medium-water circuit valve and the insulation pipe in turn; the outlet of the heating terminal device is connected to the inlet of the return water circuit valve of the water collector (38) through the return water pipeline, The outlet of the return water diversion valve is connected to the water collector (38) through the return water diversion port, and the water collector (38) passes through the main return water connection (36), the main return water valve (37) and the return water pipe a (12) in sequence Connect to the input end of the solar collector array; the expansion water connection (9) of the expansion tank (5) is connected to the return pipe a (12) through the expansion water pipe (10), and the supplementary water connection on the expansion tank (5) (2) Connect to the water supply pipe network through the water inlet valve a (4), and the sewage discharge port (6) is connected to the sewage discharge pipe (8) through the sewage discharge valve (7); the hot water outlet (29) of the boiler (25) passes through the water outlet The valve (30) and the hot water pipe a (32) are connected to the inlet of the hot water pump (33), and the outlet of the hot water pump (33) is connected to the working water inlet of the heat exchanger (16) through the hot water pipe b (34) ( 35), the working return water outlet (26) of the heat exchanger (16) is connected to the working return water inlet (27) of the boiler (25) through the return water pipe b (31) and the return water valve (28); the boiler (25) The supplementary water inlet (24) is connected to the water supply pipe network through the water inlet valve b (23). In this embodiment, there is a medium water temperature gauge (45) and an automatic exhaust valve (46) on the medium water pipe (11), and a return water temperature gauge (40) on the return water pipe a (12); the expansion tank (5 ), the heat exchanger (16), and the connecting pipes are insulated with ultra-fine glass wool. In this embodiment, the boiler (25), hot water pump (33) and heat exchanger (16) are used as auxiliary heating equipment.

This embodiment is used as heating medium water heating equipment for central heating in restaurants. The diameter of the heat collecting copper tube of the pressurized solar heat collector (15) is 25 mm, and the wall thickness is 2 mm. The operating pressure of the heat collector reaches more than 4 MPa, which is sufficient To withstand the pressure of the system pipe network, the outer surface of the heat collecting copper tube is coated with a spectrally selective absorption coating including copper oxide, black nickel, black chromium, black zinc, and black copper, which is used to efficiently absorb solar radiation energy, solar radiation The energy is transferred to the water in the heat-collecting copper tube. After the water heats up, the density becomes smaller and moves upward. The output end of the solar collector array is discharged from the collector, and then enters the heating system through the medium water delivery pipe and the water separator. In the terminal equipment of the system, heat is provided for the user, and the return water enters the heat-collecting copper pipe through the heat preservation pipe, the water collector and the input end of the solar collector array for circular heating. The temperature of the heating medium water in this embodiment is controlled between 55°C and 65°C. When the above temperature cannot be reached due to insufficient sunlight, the boiler (25) is used for auxiliary heating, and the boiler (25) is output to the heat exchanger (16) The temperature of the working hot water is controlled between 85°C and 95°C, and the working hot water is forced to circulate through the hot water pump (33) to exchange heat to the medium water.

Claims (7)

1. solar energy radiator matchmaker water heating system, it is characterized in that system is mainly by the solar thermal collector array, matchmaker's water pump (13), water knockout drum (41), water collector (38), expansion tank (5) and connecting pipe form, wherein, the solar thermal collector array passes through string by many pressure-bearing type solar heat collectors (18), parallel way combines, pressure-bearing type solar heat collector (18) is by top connection (18-2), transparent glass tube (18-3), thermal-arrest copper pipe (18-5) and lower contact (18-6) consist of, the interior space of transparent glass tube (18-3) consists of vacuum chamber (18-4), thermal-arrest copper pipe (18-5) is arranged in the vacuum chamber (18-4), the interior empty formation heat collector cavity of thermal-arrest copper pipe (18-5), the outer surface of thermal-arrest copper pipe (18-5) scribbles the spectral selection absorbing coating, be used for absorbing solar radiant energy, the upper end of transparent glass tube (18-3) is connected to top connection (18-2), the lower end of transparent glass tube (18-3) is connected to lower contact (18-6), top connection (18-2) has hot water circuit outlet (18-1) to pick out, lower contact (18-6) has circulation water inlet (18-7) access, and the heat collector cavity two ends in the thermal-arrest copper pipe (18-5) are communicated to respectively circulation water inlet (18-7) and hot water circuit outlet (18-1); Matchmaker's water main valve (44), the total interface of matchmaker's water (42), matchmaker's moisture road interface and matchmaker's water shunt valve are arranged on the water knockout drum (41); Backwater along separate routes interface, backwater shunt valve, the total interface of backwater (36) and backwater main valve (37) are arranged on the water collector (38); Respiratory siphon (1) and swelling water interface (9) are arranged on the expansion tank (5), and respiratory siphon (1) is at the top of expansion tank (5), and swelling water interface (9) is in the bottom of expansion tank (5);

The output of solar thermal collector array is connected to the import of matchmaker's water pump (13) by matchmaker's water carrier pipe (20), the outlet of matchmaker's water pump (13) is connected to the import of the upper matchmaker's water main valve (44) of water knockout drum (41) by matchmaker's water pipe (11), the outlet of matchmaker's water main valve (44) is connected to water knockout drum (41) by the total interface of matchmaker's water (42), and water knockout drum (41) is connected to the import of heating terminal device successively by matchmaker's moisture road interface, matchmaker's water shunt valve and utilidor; The outlet of heating terminal device is connected to the import of the backwater shunt valve of water collector (38) by water return pipeline, the outlet of backwater shunt valve by backwater along separate routes interface be connected to water collector (38), water collector (38) is successively by the total interface of backwater (36), backwater main valve (37) and return pipe a(12) be connected to the input of solar thermal collector array; The swelling water interface (9) of expansion tank (5) is attempted by return pipe a(12 by expansion water pipe (10)) on; On expansion tank (5) or at return pipe a(12) supplementing water interface (2) access is arranged, supplementing water interface (2) is by water intaking valve a(4) be connected on the water supply network.

2. according to claim 1 a kind of solar energy radiator matchmaker water heating system is characterized in that described many pressure-bearing type solar heat collectors (18) are 20 above pressure-bearing type solar heat collectors (18); Described series and parallel mode comprises: carry out the mode of connecting again after parallel connection, the parallel connection after series, parallel, the series connection again, when adopting series system to be combined into the solar thermal collector array, the hot water circuit outlet (18-1) of the pressure-bearing type solar heat collector of top layer (18) consists of the output of solar thermal collector array, and the circulation water inlet (18-7) of the pressure-bearing type solar heat collector of bottom (18) consists of the input of solar thermal collector array; When adopting parallel way to be combined into the solar thermal collector array, the hot water circuit of many pressure-bearing type solar heat collectors (18) outlet (18-1) also connects the output of rear formation solar thermal collector array, and the circulation water inlet (18-7) of many pressure-bearing type solar heat collectors (18) also connects the input of rear formation solar thermal collector array.

3. a kind of solar energy radiator matchmaker water heating system according to claim 1 is characterized in that at matchmaker's water pipe (11) matchmaker's water temperature kilsyth basalt (45) and automatic exhaust steam valve (46) being arranged, at return pipe a(12) return water temperature table (40) arranged.

4. a kind of solar energy radiator matchmaker water heating system according to claim 1 is characterized in that having blowdown interface (6) to pick out in the bottom of expansion tank (5), and blowdown interface (6) is connected on the blow-off line (8) by blowoff valve (7).

5. a kind of solar energy radiator matchmaker water heating system according to claim 1, it is characterized in that service valve (21) and filter (14) are arranged between the import of matchmaker's water carrier pipe (20) and matchmaker's water pump (13), matchmaker's water carrier pipe (20) is connected to the import of matchmaker's water pump (13) successively by service valve (21) and filter (14).

6. a kind of solar energy radiator matchmaker water heating system according to claim 1, it is characterized in that in system, arranging boiler (25), heat-exchanger pump (33) and heat exchanger (16), boiler (25), heat-exchanger pump (33) and heat exchanger (16) are as auxiliary heating equipment, wherein, boiler (25) is mainly by drum, hot water outlet (29), outlet valve (30), back-water valve (BWV) (28), work backwater entrance (27), supplementing water import (24) and water intaking valve b(23) form, hot water outlet (29) is communicated to drum from the top, work backwater entrance (27) is communicated to drum from the position, middle and lower part, and supplementing water import (24) is communicated to drum from the bottom; Matchmaker's water out (15), backwater import (17), working water import (35) and work backwater outlet (26) are arranged on the heat exchanger (16), matchmaker's water loop and working water loop are arranged respectively in the heat exchanger (16), the two ends of matchmaker's water loop are communicated to respectively backwater import (17) and matchmaker's water out (15), and the two ends in working water loop are communicated to respectively working water import (35) and work backwater outlet (26); Heat exchanger (16) is arranged between the import of matchmaker's water carrier pipe (20) and matchmaker's water pump (13), matchmaker's water carrier pipe (20) is connected to the backwater import (17) of heat exchanger (16), and matchmaker's water out (15) of heat exchanger (16) is connected to the import of matchmaker's water pump (13); The hot water outlet (29) of boiler (25) is by outlet valve (30) and hot-water line a(32) be connected to the import of heat-exchanger pump (33), the outlet of heat-exchanger pump (33) is by hot-water line b(34) be connected to the working water import (35) of heat exchanger (16), the work backwater outlet (26) of heat exchanger (16) is by return pipe b(31) and back-water valve (BWV) (28) be connected to the work backwater entrance (27) of boiler (25); The supplementing water import (24) of boiler (25) is by water intaking valve b(23) be connected on the water supply network.

7. a kind of solar energy radiator matchmaker water heating system according to claim 6, it is characterized in that between the backwater import (17) of matchmaker's water carrier pipe (20) and heat exchanger (16), service valve (21) being arranged, between the import of matchmaker's water out (15) of heat exchanger (16) and matchmaker's water pump (13), filter (14) is arranged.

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