CN212673535U - Closed solar water heating system - Google Patents
Closed solar water heating system Download PDFInfo
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- CN212673535U CN212673535U CN202021536966.4U CN202021536966U CN212673535U CN 212673535 U CN212673535 U CN 212673535U CN 202021536966 U CN202021536966 U CN 202021536966U CN 212673535 U CN212673535 U CN 212673535U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The utility model relates to a closed solar water heating system, which relates to the technical field of solar water heating and comprises a pipeline conveying module, wherein the pipeline conveying module comprises a water replenishing pipeline for supplying cold water, a connecting pipeline for connecting all the modules and forming a closed loop, and a water outlet pipeline for supplying hot water to the outside; the heat collection module comprises a plurality of solar water heaters; a circulation module comprising a circulation pump; the heat collection module and the circulation module are installed in the connecting pipeline in series, the plurality of solar water heaters in the heat collection module are installed in the connecting pipeline in parallel, the water replenishing pipeline is installed on the connecting pipeline between the heat collection module and the circulation module, and the water outlet pipeline is installed on the connecting pipeline at the water outlet end of the heat collection module. To the comparatively complicated problem of current solar water heating system, this application has the effect of simplifying the mounting system structure.
Description
Technical Field
The application relates to the technical field of solar hot water, in particular to a closed solar hot water system.
Background
The solar water heating system collects solar heat by using a solar water heater, the solar light energy is fully converted into heat energy under the irradiation of sunlight, the heat collected by the system is transmitted to a large-scale water storage and heat preservation water tank by a control system through a circulating pump or an electromagnetic valve and other functional components which are automatically controlled by the control system, and water in the water storage and heat preservation water tank is heated and becomes relatively stable quantitative energy equipment under the condition of matching equivalent electric power, gas, fuel oil and other energy sources. The system can provide hot water for production and living, can also be used as a cold and heat source in other solar energy utilization forms, and is an application product which has the most economic value, the most mature technology and the commercialization in the application and development of solar heat energy.
The solar water heating system mainly comprises a solar water heater, a water storage heat preservation water tank, a pipeline heat preservation system (connecting pipeline), an automatic control system and other external equipment (such as a circulating pump, an electromagnetic valve, a heat tracing band and the like).
In view of the above-mentioned related art, the inventor believes that there is a drawback in that the solar water heating system is complicated.
SUMMERY OF THE UTILITY MODEL
In order to simplify solar water heating system, the application provides a closed solar water heating system, has the advantage that the system is simple, make full use of cold water pressure.
The application provides a closed solar water heating system adopts following technical scheme:
the pipeline conveying module comprises a water replenishing pipeline for supplying cold water, a connecting pipeline for connecting the modules and forming a closed loop, and a water outlet pipeline for supplying hot water to the outside, wherein a water replenishing valve is connected in series on the water replenishing pipeline, and a one-way valve which flows through the connecting pipeline in a one-way manner is connected in series on the water replenishing pipeline between the water replenishing valve and the connecting pipeline;
the heat collection module comprises a plurality of solar water heaters;
a circulation module comprising a circulation pump;
the solar water heater comprises a heat collection module, a circulation module, a plurality of solar water heaters, a water replenishing pipeline and a water outlet pipeline, wherein the heat collection module and the circulation module are installed in the connecting pipeline in series, the plurality of solar water heaters in the heat collection module are installed in the connecting pipeline in parallel, the water replenishing pipeline is installed on the connecting pipeline between the heat collection module and the circulation module, and the water outlet pipeline is installed on the connecting pipeline at the water outlet end of the heat collection module.
By adopting the technical scheme, the circulating pump drives water to circularly flow in the connecting pipeline, the water enters the heat collecting module and is heated in the solar water heater, and the heated water is conveyed to the water outlet pipeline; the water replenishing valve is in a normally open state, when the water in the connecting pipeline flows out from the water outlet pipeline to be consumed, the hydraulic pressure in the connecting pipeline is reduced, and when the hydraulic pressure in the water replenishing pipeline is lower than that on the water replenishing pipeline, cold water in the water replenishing pipeline overcomes the water pressure and enters the connecting pipeline through the radial valve to replenish the water in the connecting pipeline, but the idea can avoid the water in the water replenishing pipeline and the water in the connecting pipeline from being mixed;
a water storage and heat preservation module for preserving hot water is omitted, the solar water heating system is simplified, and meanwhile, only one group of circulating pumps are needed in the system to maintain water flow circulation in a closed-loop connecting pipeline, so that the system is simple and is suitable for places with small hot water consumption; because the liquid flow continuously circulates in the connecting pipeline, the water repeatedly passes through the heat collecting module to be heated, and the temperature of the provided hot water is further guaranteed; the water replenishing pipeline is provided with a one-way valve, and the function of automatically replenishing water into the system is realized by means of cold water pressure.
Preferably, the solar water heater is a water heater with a water storage tank, and an electric heater and a temperature controller for controlling the on-off of the electric heater according to the temperature are arranged in the water storage tank.
By adopting the technical scheme, cold water and hot water return water enter the water storage tank of the solar water heater, the water temperature meets the requirement, the electric water heater is intelligently controlled and is not heated, if the water temperature does not meet the requirement, the electric water heater automatically heats, the hot water temperature is ensured, and the hot water efficiency is improved.
Preferably, the temperature controller is arranged at the water outlet end of the solar water heater.
By adopting the technical scheme, after the solar energy is preheated, the water temperature heated by the solar energy meets the requirement, the electric water heater is intelligently controlled and is not heated, if the water temperature does not meet the requirement, the electric water heater automatically heats, the solar energy is fully utilized for heating, and the energy consumption is reduced.
Preferably, the water inlet end and the water outlet end of each solar water heater are connected with pipeline valves in series.
By adopting the technical scheme, the single solar water heater is convenient to be cut off, and the work of the tower solar water heater cannot be influenced when the single solar water heater is replaced or maintained.
Preferably, a hydraulic gauge is connected in series on the water replenishing pipeline.
Through adopting above-mentioned technical scheme, conveniently observe cold water source pressure, and then know the highest water pressure in the connecting tube.
Preferably, the hydraulic gauge is arranged between the water replenishing valve and the one-way valve.
By adopting the technical scheme, no matter the water replenishing valve is in an open or closed state, the hydraulic pressure meter always reflects the maximum pressure which can be reached by the connecting pipeline.
Preferably, the outlet pipe is provided with an outlet valve.
Through adopting above-mentioned technical scheme, control pipeline of blowing opens and shuts.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the closed-loop connecting pipeline, a water storage device is not required to be arranged in the system, meanwhile, the circulation of water in the connecting pipeline can be realized by only one group of circulating pumps, the solar water heating system is simplified, the supply of cold water is realized by a one-way valve, the automatic water replenishing is realized by utilizing the pressure of the cold water, the water flow circulates in the connecting pipeline, continuously passes through the heat collecting module and is heated, the water temperature in the system is continuously kept at a high degree, and the use is convenient;
2. the pressure gauge is connected in series on the water replenishing pipeline and arranged between the water replenishing valve and the one-way valve, the highest water pressure which can be reached in the connecting pipeline can be known in real time through the pressure gauge, the pressure condition in the system can be conveniently known, and then the working condition of the system can be judged.
Drawings
Fig. 1 is a schematic diagram illustrating the working principle of the present application.
Reference numerals: 1. a pipeline transport module; 11. a water replenishing pipeline; 12. connecting a pipeline; 13. a water outlet pipeline; 14. a water replenishing valve; 15. a hydraulic gauge; 16. a one-way valve; 17. a water outlet valve; 18. a pipeline valve; 2. a heat collection module; 21. a solar water heater; 22. a water storage tank; 3. and a circulation module.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses closed solar water heating system, refer to fig. 1, including pipeline transport module 1, the thermal-arrest module 2 that heats water and the circulation module 3 that drives the interior rivers of pipeline of carrying water.
The heat collection module 2, the heat collection module 2 includes several solarenergy water heaters 21; a circulation module 3, the circulation module 3 comprising a circulation pump; the pipeline conveying module 1 comprises a water replenishing pipeline 11 for supplying cold water, a connecting pipeline 12 for connecting the modules and forming a closed loop, and a water outlet pipeline 13 for supplying hot water to the outside, wherein a water replenishing valve 14 is connected in series on the water replenishing pipeline 11, a one-way valve 16 which flows in a one-way manner to the connecting pipeline 12 is connected in series on the water replenishing pipeline 11 between the water replenishing valve 14 and the connecting pipeline 12, a hydraulic pressure gauge 15 is connected in series on the water replenishing pipeline 11, the hydraulic pressure gauge 15 is arranged between the water replenishing valve 14 and the one-way valve 16, and a water outlet valve 17 is installed on the water outlet pipeline 13 to control the opening and closing of the water outlet pipeline 13.
The solar water heater 21 and the circulating pump are installed in series in the connecting pipeline 12, the plurality of solar water heaters 21 in the heat collecting module 2 are installed in parallel in the connecting pipeline 12, the water supplementing pipeline 11 is installed on the connecting pipeline 12 between the heat collecting module 2 and the circulating module 3, and the water outlet pipeline 13 is installed on the connecting pipeline 12 at the water outlet end of the solar water heater 21.
The solar water heater 21 is a water heater with a water storage tank 22, an electric heater and a temperature controller for controlling the on-off of the electric heater according to the temperature are arranged in the water storage tank 22, and the temperature controller is arranged at the water outlet end of the solar water heater 21 so as to detect the temperature of water preheated by solar energy and detect the temperature of the water preheated by solar energy according to the temperature preheated by solar energy; the water inlet end and the water outlet end of each solar water heater 21 are connected in series with a pipeline valve 18.
The embodiment of the application relates to a closed solar water heating system's implementation principle does: the circulating pump drives water to circularly flow in the connecting pipeline 12, the water enters the heat collecting module 2 and is heated in the solar water heater 21, and the heated water is conveyed to the water outlet pipeline 13; the water replenishing valve 14 is in a normally open state, when the water in the connecting pipeline 12 flows out from the water outlet pipeline 13 to be consumed, the hydraulic pressure in the connecting pipeline 12 is reduced and is lower than the hydraulic pressure on the water replenishing pipeline 11, cold water in the water replenishing pipeline 11 overcomes the water pressure and enters the connecting pipeline 12 through the radial valve to replenish the water in the connecting pipeline 12, and the water in the water replenishing pipeline 11 and the water in the connecting pipeline 12 can be prevented from being mixed through the check valve 16; a water storage and heat preservation module for preserving hot water is omitted, the solar water heating system is simplified, meanwhile, only one group of circulating pumps are needed in the system to maintain the water flow circulation in the closed-loop connecting pipeline 12, the system is simple, and the system is suitable for places with small hot water consumption; because the liquid flow is continuously circulated in the connecting pipeline 12, the water repeatedly passes through the heat collecting module 2 to be heated, so that the temperature of the provided hot water is further guaranteed; a one-way valve 16 is arranged at the water replenishing pipeline 11, and the function of automatically replenishing water into the system is realized by means of cold water pressure; after the solar energy is used for preheating, the temperature of water heated by the solar energy meets the requirement, the electric water heater is intelligently controlled and is not heated, if the temperature of water does not meet the requirement, the electric water heater is automatically heated, the solar energy is fully utilized for heating, the temperature of hot water is ensured, the hot water efficiency is improved, and the energy consumption is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A closed solar water heating system, comprising:
the pipeline conveying module (1) comprises a water replenishing pipeline (11) for supplying cold water, a connecting pipeline (12) for connecting the modules and forming a closed loop, and a water outlet pipeline (13) for supplying hot water to the outside, wherein a water replenishing valve (14) is connected to the water replenishing pipeline (11) in series, and a check valve (16) which flows through the connecting pipeline (12) in a one-way mode is connected to the water replenishing pipeline (11) between the water replenishing valve (14) and the connecting pipeline (12) in series;
the solar water heater comprises a heat collection module (2), wherein the heat collection module (2) comprises a plurality of solar water heaters (21);
a circulation module (3), the circulation module (3) comprising a circulation pump;
the solar water heater is characterized in that the heat collection module (2) and the circulation module (3) are installed in the connecting pipeline (12) in series, a plurality of solar water heaters (21) in the heat collection module (2) are installed in the connecting pipeline (12) in parallel, the water replenishing pipeline (11) is installed on the connecting pipeline (12) between the heat collection module (2) and the circulation module (3), and the water outlet pipeline (13) is installed on the connecting pipeline (12) at the water outlet end of the heat collection module (2).
2. The closed solar water heating system as claimed in claim 1, wherein the solar water heater (21) is a water heater with a water storage tank (22), and an electric heater and a temperature controller for controlling the on-off of the electric heater according to the temperature are arranged in the water storage tank (22).
3. A closed solar water heating system according to claim 2, characterized in that the thermostat is arranged at the water outlet end of the solar water heater (21).
4. A closed solar water heating system according to claim 3, characterized in that a pipe valve (18) is connected in series to the water inlet end and the water outlet end of each solar water heater (21).
5. A closed solar water heating system according to claim 1, characterized in that a hydraulic pressure meter (15) is connected in series on the water replenishing pipe (11).
6. Closed solar water heating system according to claim 5, characterized in that the hydraulic pressure gauge (15) is arranged between the water replenishing valve (14) and the non return valve (16).
7. A closed solar water heating system according to claim 1, characterized in that the outlet pipe (13) is provided with an outlet valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536966.4U CN212673535U (en) | 2020-07-29 | 2020-07-29 | Closed solar water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536966.4U CN212673535U (en) | 2020-07-29 | 2020-07-29 | Closed solar water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212673535U true CN212673535U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021536966.4U Active CN212673535U (en) | 2020-07-29 | 2020-07-29 | Closed solar water heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212673535U (en) |
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2020
- 2020-07-29 CN CN202021536966.4U patent/CN212673535U/en active Active
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