CN211204466U - Central hot water system of closed pressure-bearing solar water heating boiler - Google Patents
Central hot water system of closed pressure-bearing solar water heating boiler Download PDFInfo
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- CN211204466U CN211204466U CN201922292564.8U CN201922292564U CN211204466U CN 211204466 U CN211204466 U CN 211204466U CN 201922292564 U CN201922292564 U CN 201922292564U CN 211204466 U CN211204466 U CN 211204466U
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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
- Y02E10/44—Heat exchange systems
Abstract
The utility model discloses a closed pressure-bearing solar water heating boiler central water heating system relates to the heat energy comprehensive utilization field, and its technical scheme main points are: including solar water heating system and boiler, solar water heating system includes solar collector and closed pressure-bearing water tank, it has inlet tube and outlet pipe to communicate with each other between solar collector and the closed pressure-bearing water tank, it has the connecting tube to communicate with each other between boiler and the closed pressure-bearing water tank, the last intercommunication of boiler has hot water delivery pipe and wet return, hot water delivery pipe intercommunication has a plurality of parallelly connected water subassemblies, the one end intercommunication of using the water subassembly has cold water branch pipe one, closed pressure-bearing water tank still intercommunication has cold water branch pipe two, cold water branch pipe one and cold water branch pipe two communicate jointly and have cold water main pipe, wet return and cold water branch pipe two communicate jointly and. The utility model discloses combine two kinds of energy equipment of solar water heating system and boiler, both possessed energy-conserving advantage, possessed reliable and stable advantage again.
Description
Technical Field
The utility model relates to a heat energy comprehensive utilization field, more specifically say, it relates to a closed pressure-bearing solar water heater boiler central authorities hot-water heating system.
Background
At present, the mode of heating boiled water is mainly electric heating or heating by various boilers, which not only wastes a large amount of conventional energy but also generates environmental pollution, and has the defects of high operating cost, high failure rate, low safety coefficient and the like. Through recent development of solar energy heat utilization in China, a solar water heating system is generally applied to various fields such as schools, enterprises and public institutions, troops, hospitals, hotels, residential buildings and the like, and the solar water heating system has remarkable energy saving effect, mature technology, full-automatic operation and the like and is widely accepted by the society.
The solar heat collector is a device for converting solar radiation energy into heat energy, is a key part for forming various solar heat utilization systems, uses solar energy as free energy equipment, adopts solar radiation as an energy source, but can not be used as all-weather energy due to the characteristics of seasonality and climate, and can form a complete system only by being equipped with auxiliary energy in a hot water system. The gas-fired hot water boiler has the characteristics of mature technology and small influence of weather on heating efficiency, and particularly can still supply normal power for heating in winter, but the energy consumption cost is high, and the two systems are combined to form a brand-new system with complementary advantages.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a closed pressure-bearing solar water heating boiler central water heating system in order to solve foretell problem, combine gas-fired hot water boiler and solar water heating system to constitute a complementary brand-new system of advantage, make it have energy-conservation nature and reliability.
The above technical purpose of the present invention can be achieved by the following technical solutions: a central hot water system of a closed pressure-bearing solar water heating boiler comprises a solar water heating system and a hot water boiler, the solar water heating system comprises a solar heat collector and a closed pressure-bearing water tank, wherein a water inlet pipe and a water outlet pipe are communicated between the solar heat collector and the closed pressure-bearing water tank, the water inlet pipe and the water outlet pipe are both provided with a first valve, a connecting pipeline is communicated between the hot water boiler and the closed pressure-bearing water tank, the hot water boiler is communicated with a hot water supply pipe and a return pipe, the hot water supply pipe is communicated with a plurality of water using components which are connected in parallel, one end of the water using component is communicated with a first cold water branch pipe, the first hot water supply pipe and the first cold water branch pipe are both provided with a second valve, the closed pressure-bearing water tank is also communicated with a cold water branch pipe II, the cold water branch pipe I and the cold water branch pipe II are communicated with a cold water main pipeline, and the water return pipe and the cold water branch pipe II are communicated with a hot water return pipe.
The utility model discloses further set up to: the water inlet pipe is also provided with a first control assembly for controlling water in the closed pressure-bearing water tank to perform cyclic heating.
The utility model discloses further set up to: the first control assembly comprises a first check valve, a circulating pump and two third valves, wherein the first check valve, the circulating pump and the two third valves are installed on the water inlet pipe, and the first check valve and the circulating pump are located between the two third valves.
The utility model discloses further set up to: and the second cold water branch pipe, the second water return pipe and the cold water main pipeline are respectively provided with a second control component.
The utility model discloses further set up to: the control assembly II comprises a second check valve, a pressure gauge and two fourth valves, and the second check valve and the pressure gauge are located between the two fourth valves.
The utility model discloses further set up to: and a water return pump is also arranged between the fourth valve and the pressure gauge.
The utility model discloses further set up to: the water utilization assembly comprises a three-way valve, and a cold water pipe and a hot water pipe which are respectively connected with the three-way valve, wherein the cold water pipe and the hot water pipe are respectively provided with a third check valve, the cold water pipe is communicated with a cold water branch pipe, and the hot water pipe is communicated with a hot water supply pipe.
The utility model discloses further set up to: the hot water boiler is a positive displacement hot water boiler.
To sum up, the utility model discloses following beneficial effect has:
the solar water heating system adopts a closed pressure-bearing system, absorbs sunlight in the seasons with sunlight for heating, collects heat in a closed pressure-bearing water tank in a temperature difference circulation heating mode, when water is used for hot water, the water heated by the solar water flows through a hot water boiler, when the temperature of the hot water heated by the solar water is higher than the set temperature point of the hot water boiler, the hot water boiler is not started and only passes through a flowing pipeline, when the temperature of the hot water heated by the solar water is lower than the set temperature of the hot water boiler, the hot water boiler is automatically started for heating, the hot water heated by the solar water is used as preheating water for heating until the set temperature is reached, as the solar energy is obtained from solar radiation, the energy is free energy and can be used for free in two thirds of time periods all the year, the hot water heating system adopts solar energy for heating and adopts supplementary heat in the seasons with insufficient solar energy or in the time periods with excessive water load instantly, at the moment, the solar energy is used as low-temperature preheating, and the two energy devices are combined, so that the solar energy preheating device has the advantages of energy conservation, stability and reliability.
Drawings
Fig. 1 is a schematic structural diagram of a central hot water system of a closed pressure-bearing solar water heating boiler of the utility model.
Reference numerals: 1. a solar heat collector; 2. a closed pressure-bearing water tank; 3. a water inlet pipe; 4. a water outlet pipe; 5. a first valve; 6. a first control component; 61. a first check valve; 62. a circulation pump; 63. a third valve; 7. a hot water boiler; 8. connecting a pipeline; 9. a hot water supply pipe; 10. a water return pipe; 11. a three-way valve; 12. a water pipe for cold water; 13. a hot water supply pipe; 14. a third check valve; 15. a first cold water branch pipe; 16. a second valve; 17. a cold water branch pipe II; 18. a cold water main pipe; 19. a hot water return pipe; 20. a second check valve; 21. a pressure gauge; 22. a fourth valve; 23. a water return pump; 24. a pressure expansion tank.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, a central hot water system of a closed pressure-bearing solar water boiler comprises a solar water heating system, the solar water heating system comprises a solar heat collector 1 and a closed pressure-bearing water tank 2, a water inlet pipe 3 and a water outlet pipe 4 are communicated between the solar heat collector 1 and the closed pressure-bearing water tank 2, a first valve 5 is arranged on each of the water inlet pipe 3 and the water outlet pipe 4, the water inlet pipe 3 is further provided with a first control assembly 6 for controlling water in the closed pressure-bearing water tank 2 to be circularly heated, the first control assembly 6 comprises a first check valve 61, a circulating pump 62 and two third valves 63 which are arranged on the water inlet pipe 3, and the first check valve 61 and the circulating pump 62 are arranged.
Still including boiler 7, boiler 7 is positive displacement boiler, it has connecting tube 8 to communicate with each other between boiler 7 and the closed pressure-bearing water tank 2, the last intercommunication of boiler 7 has hot water delivery pipe 9 and wet return 10, hot water delivery pipe 9 intercommunication has a plurality of parallelly connected water components, the water component includes three-way valve 11 and respectively with the cold water pipe 12 and the hot water pipe 13 of being connected of three-way valve 11, water pipe 12 and the hot water pipe 13 for cold water all are equipped with third check valve 14, water pipe 12 and a 15 intercommunication of cold water branch pipe for cold water, water pipe 13 for hot water communicates with hot water delivery pipe 9.
One end of the water utilization component is communicated with a first cold water branch pipe 15, a first hot water supply pipe 9 and the first cold water branch pipe 15 are both provided with a second valve 16, the closed pressure-bearing water tank 2 is also communicated with a second cold water branch pipe 17, the first cold water branch pipe 15 and the second cold water branch pipe 17 are communicated with a main cold water pipeline 18, a water return pipe 10 and the second cold water branch pipe 17 are communicated with a hot water return pipe 19, the second cold water branch pipe 17, a second control component is arranged on the water return pipe 10 and the main cold water pipeline 18, the second control component comprises a second check valve 20, a pressure gauge 21 and two fourth valves 22, the second check valve 20 and the pressure gauge 21 are located between the two fourth valves 22, the water return pipe 10 is located between the fourth valves 22 and the pressure gauge 21 and is further provided with a water return pump 23, and one end, close to.
The solar water heating system adopts a closed pressure-bearing system, absorbs sunlight to heat in a sunshine season, collects heat in the closed pressure-bearing water tank 2 in a temperature difference circulation heating mode, and when hot water is used, water after solar heating flows through the hot water boiler 7.
When the hot water temperature after solar heating is higher than the temperature point set by the hot water boiler 7, the hot water boiler 7 is not started at the moment, the hot water only passes through as a flowing pipeline, the hot water in the closed pressure-bearing water tank 2 continuously flows through the hot water boiler 7 and flows to the water using assembly through the hot water supply pipe 9 for a user to use, two ports of a three-way valve 11 of the water using assembly are respectively connected with a cold water using pipe 12 and a hot water using pipe 13, the other port of the three-way valve 11 is connected with water using equipment such as a water tap, cold water and hot water can be effectively adjusted, in the hot water supply process, a fourth valve 22 on a cold water branch pipe two 17 and a cold water main pipeline 18 is opened, and the cold water and the hot water flowing back.
When the temperature of hot water heated by solar energy is lower than the temperature set by the hot water boiler 7, the hot water boiler 7 automatically starts heating, the hot water heated by solar energy is used as preheating water and is led into the hot water boiler 7 to be heated until the temperature reaches the set temperature, then the hot water flows to a water component through a hot water supply pipe 9 to be used by a user, at the moment, a water return pump 23 is started to pump the hot water into the hot water boiler 7 to be reheated, and cold water can also be led into the closed pressure-bearing water tank 2 to be preheated by solar energy.
Because the solar energy is taken from solar radiation and is free energy, and two thirds of time periods can be used for free all the year round, the hot water system adopts solar energy for heating and adopts the hot water boiler 7 for supplementing heat in other seasons with insufficient solar heat or in time periods with excessive water load instantly, at the moment, the solar energy is used as low temperature for preheating, and the two energy devices are combined, so that the hot water system has the advantages of energy conservation and stability and reliability.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a central hot-water heating system of closed pressure-bearing solar water-heating boiler, includes solar water-heating system and hot water boiler (7), its characterized in that: the solar water heating system comprises a solar heat collector (1) and a closed pressure-bearing water tank (2), a water inlet pipe (3) and a water outlet pipe (4) are communicated between the solar heat collector (1) and the closed pressure-bearing water tank (2), first valves (5) are arranged on the water inlet pipe (3) and the water outlet pipe (4), a connecting pipeline (8) is communicated between a hot water boiler (7) and the closed pressure-bearing water tank (2), a hot water supply pipe (9) and a water return pipe (10) are communicated on the hot water boiler (7), the hot water supply pipe (9) is communicated with a plurality of water components connected in parallel, one end of each water component is communicated with a cold water branch pipe (15), a second valve (16) is arranged on each hot water supply pipe (9) and each cold water branch pipe (15), and a cold water branch pipe two (17) is further communicated with the closed pressure-, the first cold water branch pipe (15) and the second cold water branch pipe (17) are communicated with a cold water main pipeline (18), and the water return pipe (10) and the second cold water branch pipe (17) are communicated with a hot water return pipe (19).
2. The closed pressure-bearing solar hot water boiler central hot water system of claim 1, characterized in that: the water inlet pipe (3) is also provided with a first control assembly (6) for controlling water in the closed pressure-bearing water tank (2) to be heated circularly.
3. The closed pressure-bearing solar hot water boiler central hot water system of claim 2, characterized in that: the first control assembly (6) comprises a first check valve (61), a circulating pump (62) and two third valves (63) which are installed on the water inlet pipe (3), wherein the first check valve (61) and the circulating pump (62) are located between the two third valves (63).
4. The closed pressure-bearing solar hot water boiler central hot water system of claim 1, characterized in that: and a second control component is arranged on each of the second cold water branch pipe (17), the water return pipe (10) and the main cold water pipeline (18).
5. The closed pressure-bearing solar hot water boiler central hot water system as claimed in claim 4, characterized in that: the second control assembly comprises a second check valve (20), a pressure gauge (21) and two fourth valves (22), and the second check valve (20) and the pressure gauge (21) are located between the two fourth valves (22).
6. The closed pressure-bearing solar hot water boiler central hot water system of claim 5, characterized in that: and a water return pump (23) is also arranged between the fourth valve (22) and the pressure gauge (21) of the water return pipe (10).
7. The closed pressure-bearing solar hot water boiler central hot water system of claim 1, characterized in that: the water supply assembly comprises a three-way valve (11), and a water pipe (12) for cold water and a water pipe (13) for hot water which are respectively connected with the three-way valve (11), wherein the water pipe (12) for cold water and the water pipe (13) for hot water are respectively provided with a third check valve (14), the water pipe (12) for cold water is communicated with a first cold water branch pipe (15), and the water pipe (13) for hot water is communicated with a hot water supply pipe (9).
8. The closed pressure-bearing solar hot water boiler central hot water system of claim 1, characterized in that: the hot water boiler (7) is a volumetric hot water boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922292564.8U CN211204466U (en) | 2019-12-18 | 2019-12-18 | Central hot water system of closed pressure-bearing solar water heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922292564.8U CN211204466U (en) | 2019-12-18 | 2019-12-18 | Central hot water system of closed pressure-bearing solar water heating boiler |
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| Publication Number | Publication Date |
|---|---|
| CN211204466U true CN211204466U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922292564.8U Active CN211204466U (en) | 2019-12-18 | 2019-12-18 | Central hot water system of closed pressure-bearing solar water heating boiler |
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| CN (1) | CN211204466U (en) |
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