CN210511854U - Energy-saving hot water system based on double energy sources - Google Patents

Energy-saving hot water system based on double energy sources Download PDF

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Publication number
CN210511854U
CN210511854U CN201921430386.4U CN201921430386U CN210511854U CN 210511854 U CN210511854 U CN 210511854U CN 201921430386 U CN201921430386 U CN 201921430386U CN 210511854 U CN210511854 U CN 210511854U
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water
water tank
hot water
constant temperature
heat
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CN201921430386.4U
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苏飞
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Wuhan Xinrichen New Energy Co Ltd
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Wuhan Xinrichen New Energy Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

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  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model relates to the technical field of heating in commercial buildings, in particular to an energy-saving hot water system based on double energy sources, which comprises a constant temperature water tank and a heat collecting water tank, the constant temperature water tank and the heat collecting water tank are respectively connected with a tap water replenishing pipe, a hot water circulating pump is connected between the constant temperature water tank and the heat collecting water tank through a pipeline, the constant temperature water tank is communicated with the heat collecting water tank through an upper communicating pipe, the constant temperature water tank is connected with an air source heat pump unit, the water inlet end of the air source heat pump unit is connected to a constant temperature water tank through a heat pump circulating pump, the constant temperature water tank is connected with a hot water supply pipe through a hot water supply pump, the heat collecting water tank is connected with a solar heat collector, a water inlet pipe of the solar heat collector is connected with a heat collecting circulating pump, the heat collection circulating pump is connected with the heat collection water tank, and the water outlet end of the solar heat collector is connected with the heat collection water tank. The utility model discloses reduced the operation energy consumption effectively, green maintains simply, and does benefit to and reduces the operating cost.

Description

Energy-saving hot water system based on double energy sources
Technical Field
The utility model relates to an energy-conserving hot-water heating system that hotel used belongs to heating technical field in the commercial building.
Background
Hotels, guest houses and the like are all in all cities, rest places are provided for people going out at different places such as businesses, travels, training and the like, and modern hotels and guest houses are generally provided with heating supply facilities, so that warm and comfortable environments are conveniently provided for people living in. Most of existing heating supply facilities adopt electric heating or a boiler to provide hot water, the hot water is input into a building through a pipeline and exchanges heat with air in a room to improve the temperature in the room, and the hot water is output by a water return pipe after being released and cooled. Although energy is saved, solar hot water heating is limited by cold seasons and rainy days, and is not suitable for buildings with more people and large areas such as hotels. At present, commercial buildings such as hotels and guest houses lack an effective energy-saving hot water heating system, and the problem of high energy consumption of the hot water heating system is not properly solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-conserving hot-water heating system based on dual energy in order to solve the problem that the energy consumption that hotel hot-water heating equipment exists among the prior art is too high.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an energy-conserving hot water system based on dual energy, includes constant temperature water tank and thermal-arrest water tank, constant temperature water tank and thermal-arrest water tank mend water piping connection with the running water respectively, there is the hot water circulating pump through the pipe connection between constant temperature water tank and the thermal-arrest water tank, constant temperature water tank and thermal-arrest water tank pass through upper portion communicating pipe intercommunication, constant temperature water tank is connected with air source heat pump set, air source heat pump set's the end of intaking is connected to constant temperature water tank through the heat pump circulating pump, constant temperature water tank passes through hot water working pump and hot water delivery pipe connection, the thermal-arrest water tank is connected with solar collector, solar collector's water inlet pipe is connected to the thermal-arrest circulating.
Further, be connected with first moisturizing solenoid valve between hot water collecting tank and the running water moisturizing pipe, be connected with the second moisturizing solenoid valve between constant temperature water tank and the running water moisturizing pipe, the hot water collecting tank inside wall is fixed with first electron level gauge, constant temperature water tank inside wall is fixed with second electron level gauge, first moisturizing solenoid valve, second moisturizing solenoid valve, first electron level gauge, second electron level gauge respectively with controller electric connection.
Furthermore, a first temperature sensor is fixed on the inner side of a water outlet end of the solar heat collector, a second temperature sensor is fixed in the heat collecting water tank, a third temperature sensor is fixed on the inner side of a water outlet pipeline connected with the solar heat collector, and the first temperature sensor, the second temperature sensor and the third temperature sensor are respectively and electrically connected with the controller.
Further, the constant temperature water tank is connected with a hot water return pipe through a return water gate valve, the return water gate valve is connected with a return water electromagnetic valve in parallel, the water inlet end of the return water electromagnetic valve is connected with a check valve, and the return water electromagnetic valve is electrically connected with the controller.
Furthermore, the respective water inlet ends of the heat pump circulating pump, the hot water circulating pump, the heat collection circulating pump and the hot water supply pump are connected with a filtering device.
Furthermore, the respective water outlet ends of the heat pump circulating pump, the hot water circulating pump, the heat collection circulating pump and the hot water supply pump are connected with check valves.
Furthermore, the respective water inlet ends of the first water replenishing electromagnetic valve and the second water replenishing electromagnetic valve are connected with a filtering device, and the respective water outlet ends of the first water replenishing electromagnetic valve and the second water replenishing electromagnetic valve are connected with a check valve.
Furthermore, the solar heat collector is formed by splicing a plurality of header collectors.
Further, the constant temperature water tank is also connected to a boiler circulation pump through a pipe.
Compared with the prior art, the beneficial effects of the utility model are that: lay solar collector on commercial building's roof, utilize the water in the solar heating constant temperature water tank to be heating in the commercial building, simultaneously the utility model discloses be equipped with air source heat pump set, when necessary with solar collector synergism, with the hydrothermal to the predetermined temperature scope in the constant temperature water tank, guarantee that heating is sufficient in the commercial building, avoid overcast and rainy weather, haze, the not enough phenomenon of solar collector heat supply under the condition such as too cold weather, air source heat pump set uses as supplementary constant temperature equipment, and the electric quantity of consumption is less. The energy consumption of the operation is effectively reduced, the environment is protected, the maintenance is simple, and the operation cost is favorably reduced.
Drawings
Fig. 1 is a schematic diagram of a roof overlooking structure of an energy-saving hot water system based on dual energy sources according to an embodiment of the present invention;
fig. 2 is a schematic view of an operation principle of an energy-saving hot water system based on dual energy sources according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an electrical connection relationship of an energy-saving hot water system based on dual energy sources according to the present invention.
In the figure: 1. a constant temperature water tank; 2. a heat collecting water tank; 3. a tap water replenishing pipe; 4. a hot water circulation pump; 5. an upper communicating pipe; 6. an air source heat pump unit; 7. a heat pump circulation pump; 8. a hot water supply pump; 9. a hot water supply pipe; 10. a solar heat collector; 11. a heat collection circulating pump; 12. A first water replenishing electromagnetic valve; 13. a second water replenishing electromagnetic valve; 14. a first electronic level gauge; 15. a second electronic level gauge; 16. a controller; 17. a first temperature sensor; 18. a second temperature sensor; 19. a third temperature sensor; 20. a backwater gate valve; 21. a hot water return pipe; 22. A backwater electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It should be noted that terms like "first", "second", "third", etc. are used for convenience of description only and do not imply importance or precedence order in operation control, and there is no mutual dependency relationship between operation control processes.
Referring to fig. 1 and 3, the embodiment of the utility model provides an energy-conserving hot water system based on dual energy, including constant temperature water tank 1 and thermal-arrest water tank 2, constant temperature water tank 1 and thermal-arrest water tank 2 are connected with running water moisturizing pipe 3 respectively, there is hot water circulating pump 4 through the pipe connection between constant temperature water tank 1 and the thermal-arrest water tank 2, constant temperature water tank 1 communicates through upper portion communicating pipe 5 with thermal-arrest water tank 2, constant temperature water tank 1 is connected with air source heat pump set 6, the end of intaking of air source heat pump set 6 is connected to constant temperature water tank 1 through heat pump circulating pump 7, constant temperature water tank 1 is connected with hot water supply pipe 9 through hot water supply pump 8, thermal-arrest water tank 2 is connected with solar collector 10, solar collector 10's water piping connection to thermal-arrest circulating pump 11. The air source heat pump unit 6, the heat pump circulating pump 7, the hot water circulating pump 4 and the heat collection circulating pump 11 are electrically connected with the controller 16 respectively.
Further, a first water replenishing electromagnetic valve 12 is connected between the heat collecting water tank 2 and the tap water replenishing pipe 3, a second water replenishing electromagnetic valve 13 is connected between the constant temperature water tank 1 and the tap water replenishing pipe 3, a first electronic liquid level meter 14 is fixed on the inner side wall of the heat collecting water tank 2, a second electronic liquid level meter 15 is fixed on the inner side wall of the constant temperature water tank 1, and the first water replenishing electromagnetic valve 12, the second water replenishing electromagnetic valve 13, the first electronic liquid level meter 14 and the second electronic liquid level meter 15 are respectively and electrically connected with the controller 16. The liquid level critical values of the heat collection water tank 2 and the constant temperature water tank 1 are set through the controller 16, and then the controller 16 controls the first water replenishing electromagnetic valve 12 and the second water replenishing electromagnetic valve 13 to perform the automatic water replenishing process.
Furthermore, a first temperature sensor 17 is fixed on the inner side of the water outlet end of the solar heat collector 10, a second temperature sensor 18 is fixed in the heat collecting water tank 2, a third temperature sensor 19 is fixed on the inner side of a water outlet pipeline connected with the solar heat collector 10, and the first temperature sensor 17, the second temperature sensor 18 and the third temperature sensor 19 are respectively electrically connected with the controller 16. Each temperature sensor monitors the temperature of the water in real time, and when the temperature difference is too large, the controller 16 controls the heat collection circulating pump 11 to start.
Further, the constant temperature water tank 1 is connected with a hot water return pipe 21 through a return gate valve 20, the return gate valve 20 is connected with a return electromagnetic valve 22 in parallel, the water inlet end of the return electromagnetic valve 22 is connected with a check valve, and the return electromagnetic valve 22 is electrically connected with the controller 16. The manual backwater gate valve 20 can be selected to control backwater according to the requirement, or the backwater electromagnetic valve 22 can control backwater.
Furthermore, the respective water inlet ends of the heat pump circulating pump 7, the hot water circulating pump 4, the heat collection circulating pump 11 and the hot water supply pump 8 are connected with a filtering device, so that the reduction of pipeline scaling is facilitated, and the maintenance frequency of the circulating pump is reduced.
Furthermore, the respective water outlet ends of the heat pump circulating pump 7, the hot water circulating pump 4, the heat collection circulating pump 11 and the hot water supply pump 8 are connected with check valves. The reverse surge of the pipeline hot water under the abnormal condition is avoided.
Further, the respective water inlet ends of the first water replenishing electromagnetic valve 12 and the second water replenishing electromagnetic valve 13 are connected with a filtering device, and the respective water outlet ends of the first water replenishing electromagnetic valve 12 and the second water replenishing electromagnetic valve 13 are connected with a check valve. So as to prolong the service life of the water replenishing electromagnetic valve.
Further, the solar heat collector 10 is formed by splicing a plurality of header collectors, and the length and the width of a heat collecting panel of the solar heat collector 10 can be adjusted according to the available area of a roof.
Further, constant temperature water tank 1 still passes through pipe connection to boiler circulating pump, and air source heat pump set 6 overhauls or maintains the in-process, can provide partial heat for the water in constant temperature water tank 1 with the help of boiler circulating pump, ensures that the heating is incessant during this period.
The operation principle of the present invention is explained by an embodiment, as shown in fig. 2, when the first electronic level meter 14 detects that the water level in the heat collecting water tank 2 is lower than the set value of the controller 16, the controller 16 controls the first water replenishing solenoid valve 12 to open, and the tap water is replenished into the heat collecting water tank 2 until the water level in the heat collecting water tank 2 is restored to the set value of the controller 16; first solenoid valve is parallelly connected to have the gate valve, and the manual control is mended water when convenient needs. The controller 16 controls the heat collection circulating pump 11 to pump cold water in the heat collection water tank 2 to the solar heat collector 10, and the cold water enters the heat collection water tank 2 through the water outlet end of the solar heat collector 10 after being heated; the controller 16 presets working temperature parameters, when the temperature difference between the temperature T1 of the water in the solar heat collector 10 and the temperature T2 of the water in the heat collecting water tank 2 is more than or equal to 5 ℃, the controller 16 controls the heat collecting circulating pump 11 to start, and after the temperature difference is less than or equal to 2 ℃, the controller 16 controls the heat collecting circulating pump 11 to stop running. When the water level W2 of the constant temperature water tank 1 is lower than the warning water level set by the controller 16, the controller 16 controls the hot water circulating pump 4 to start, and water is transferred from the heat collecting water tank 2 to the constant temperature water tank 1 until the water level exceeds the lowest water level and is set or adjusted by the controller 16; when the water temperature of the heat collection water tank 2 is 5 ℃ higher than that of the constant temperature water tank 1, the controller 16 starts the hot water circulating pump 4 again, and the hot water circulating pump 4 is stopped when the temperature difference is less than or equal to 2 ℃.
The water input into the hot water supply pipe 9 of the constant temperature water tank 1 is pressurized by the hot water supply pump 8 and then supplied to the room of the user. The tail end of the hot water return pipe 21 is controlled to return water by using an electromagnetic valve, and the temperature T5 at the tail end of the hot water return pipe 21 is not lower than 35 ℃ by controlling the return water rate.
When the water temperature T3 of the constant temperature water tank 1 cannot reach the threshold value 50 ℃ set by the controller 16 only by the heat supplied by the solar heat collector 10, temperature compensation is needed, namely, the air source heat pump unit 6 is automatically started by the controller 16 to assist in heating the water of the constant temperature water tank 1, the hot water circulating pump 4 is started at the same time, and when the temperature of the water in the heat collecting water tank 2 is raised to 50 ℃, the controller 16 controls the air source heat pump unit 6 to stop running. The air source heat pump unit 6 is introduced as an auxiliary heating component, and the whole operation power consumption is lower.
When the third temperature sensor 19 detects that the temperature T3 of the water input into the heat collection water tank 2 by the water outlet pipeline is lower than 3 ℃, the controller 16 controls the heat collection circulating water pump to automatically start to perform anti-freezing circulation; when the temperature T3 detected by the third temperature sensor 19 is higher than the set temperature value by 5 ℃, the controller 16 controls the heat collection circulation pump 11 to stop working.
In the utility model, the air source heat pump unit 6 and the solar heat collector 10 both adopt the prior art and have the same structural principle with the heating working components of the existing household air energy water heater and solar water heater; the controller 16 can adopt a single chip microcomputer with the existing model and is fixed in the system control cabinet; the electronic liquid level meter can adopt the existing differential pressure liquid level transmitter or a floating ball type liquid level transmitter; the temperature sensor adopts a commercially available contact temperature sensor; the filter device adopts a cartridge filter, and the filter element is periodically checked and replaced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can also cover the technical scope of the present invention by replacing or changing the technical solution and other technical solutions obtained by the technical solution and the technical idea of the present invention.

Claims (9)

1. The utility model provides an energy-conserving hot-water heating system based on dual energy, includes constant temperature water tank (1) and hot water collecting tank (2), its characterized in that, constant temperature water tank (1) and hot water collecting tank (2) are connected with running water moisturizing pipe (3) respectively, there is hot water circulating pump (4) through the pipe connection between constant temperature water tank (1) and the hot water collecting tank (2), constant temperature water tank (1) and hot water collecting tank (2) are through upper portion communicating pipe (5) intercommunication, constant temperature water tank (1) are connected with air source heat pump set (6), the end of intaking of air source heat pump set (6) is connected to constant temperature water tank (1) through heat pump circulating pump (7), constant temperature water tank (1) is connected with hot water delivery pipe (9) through hot water feed pump (8), hot water collecting tank (2) are connected with solar collector (10), the inlet tube of solar collector (10), the heat collection circulating pump (11) is connected with the heat collection water tank (2), and the water outlet end of the solar heat collector (10) is connected with the heat collection water tank (2).
2. The dual-energy-source-based energy-saving hot water system is characterized in that a first water supplementing electromagnetic valve (12) is connected between the heat collection water tank (2) and the tap water supplementing pipe (3), a second water supplementing electromagnetic valve (13) is connected between the constant temperature water tank (1) and the tap water supplementing pipe (3), a first electronic liquid level meter (14) is fixed on the inner side wall of the heat collection water tank (2), a second electronic liquid level meter (15) is fixed on the inner side wall of the constant temperature water tank (1), and the first water supplementing electromagnetic valve (12), the second water supplementing electromagnetic valve (13), the first electronic liquid level meter (14) and the second electronic liquid level meter (15) are respectively electrically connected with a controller (16).
3. The dual-energy-source-based energy-saving hot water system as claimed in claim 1 or 2, wherein a first temperature sensor (17) is fixed on the inner side of a water outlet end of the solar heat collector (10), a second temperature sensor (18) is fixed in the heat collecting water tank (2), a third temperature sensor (19) is fixed on the inner side of a water outlet pipeline connected with the solar heat collector (10), and the first temperature sensor (17), the second temperature sensor (18) and the third temperature sensor (19) are respectively electrically connected with the controller (16).
4. The dual-energy-source-based energy-saving hot water system as claimed in claim 2, wherein the constant temperature water tank (1) is connected with a hot water return pipe (21) through a return gate valve (20), the return gate valve (20) is connected with a return solenoid valve (22) in parallel, a check valve is connected to a water inlet end of the return solenoid valve (22), and the return solenoid valve (22) is electrically connected with the controller (16).
5. The dual-energy-source-based energy-saving hot water system as claimed in claim 1, wherein the respective water inlet ends of the heat pump circulating pump (7), the hot water circulating pump (4), the heat collection circulating pump (11) and the hot water supply pump (8) are connected with a filtering device.
6. The dual-energy-source-based energy-saving hot water system as claimed in claim 1, wherein the respective water outlet ends of the heat pump circulating pump (7), the hot water circulating pump (4), the heat collection circulating pump (11) and the hot water supply pump (8) are connected with check valves.
7. The dual-energy-source-based energy-saving hot water system as claimed in claim 2, wherein the respective water inlet ends of the first water replenishing solenoid valve (12) and the second water replenishing solenoid valve (13) are connected with a filtering device, and the respective water outlet ends of the first water replenishing solenoid valve (12) and the second water replenishing solenoid valve (13) are connected with a check valve.
8. The dual-energy-source-based energy-saving hot water system as claimed in claim 1, wherein the solar heat collector (10) is formed by splicing a plurality of header collectors.
9. A dual energy-based energy-saving hot water system according to claim 1, characterized in that the thermostatic water tank (1) is also connected to a boiler circulation pump through a pipe.
CN201921430386.4U 2019-08-30 2019-08-30 Energy-saving hot water system based on double energy sources Active CN210511854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921430386.4U CN210511854U (en) 2019-08-30 2019-08-30 Energy-saving hot water system based on double energy sources

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921430386.4U CN210511854U (en) 2019-08-30 2019-08-30 Energy-saving hot water system based on double energy sources

Publications (1)

Publication Number Publication Date
CN210511854U true CN210511854U (en) 2020-05-12

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CN201921430386.4U Active CN210511854U (en) 2019-08-30 2019-08-30 Energy-saving hot water system based on double energy sources

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