CN210602291U

CN210602291U - Pressure-bearing integrated solar water heater

Info

Publication number: CN210602291U
Application number: CN201921397247.6U
Authority: CN
Inventors: 邓学鹏
Original assignee: Jiangsu Huayang Solar Energy Co ltd
Current assignee: Jiangsu Huayang Solar Energy Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-22
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a pressure-bearing integral type solar water heater, including water tank, evacuated solar collector tube and support, be equipped with inlet tube and outlet pipe on the water tank, be equipped with a plurality of both ends open-ended heat exchange tubes on the inner bag, be equipped with the header between inner bag and evacuated solar collector tube, the upper portion of header is equipped with the heat transfer mouth corresponding with the heat exchange tube, and the part that the inner bag was stretched out to the lower extreme of heat exchange tube is connected and is sealed with the header through this heat transfer mouth, and the lower part of header is equipped with and supplies evacuated solar collector tube male mounting hole the inner bag outside is equipped with the collector, and the part that the inner bag was stretched out to the upper end of heat exchange tube is connected and is sealed with the collector, and this kind of pressure-bearing integral type.

Description

Pressure-bearing integrated solar water heater

Technical Field

The utility model relates to a solar energy utilization field, especially a closed solar water heater.

Background

The closed solar water heater is also called pressure-bearing type solar water heater, and its water inlet is always communicated with tap water source, so that it has the characteristics of high water-discharging pressure and no limitation of installation height. The pressure-bearing solar water heater sold on the market at present is generally of a split double-loop structure, a heat exchange jacket or a coil is arranged in a water tank, the heat efficiency of the whole system is low, the manufacturing process is complex, and the cost is high. Therefore, a pressure-bearing integrated solar water heater with compact structure, high thermal efficiency, no maintenance and low manufacturing cost is urgently needed to be designed.

Disclosure of Invention

The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a compact structure, and the thermal efficiency is high, low in manufacturing cost, convenient to use's pressure-bearing integral type solar water heater.

In order to solve the technical problem, the utility model discloses the technical scheme who takes does: a pressure-bearing integrated solar water heater comprises a water tank, evacuated solar collector tubes and a support, wherein a water inlet tube and a water outlet tube are arranged on the water tank, a lower insertion hole and an upper insertion hole which are coaxial are formed in an inner container of the water tank, a plurality of heat exchange tubes with openings at two ends are arranged on the inner container, the heat exchange tubes are inserted into the lower insertion hole and the upper insertion hole of the inner container in a penetrating manner and are sealed in a sealing mode of sealing ring sealing or welding sealing, a header is arranged between the inner container and the evacuated solar collector tubes, heat exchange ports corresponding to the heat exchange tubes are formed in the upper portion of the header, the lower ends of the heat exchange tubes extend out of the inner container, are connected with the header through the heat exchange ports and are sealed, mounting holes for the evacuated solar collector tubes to be inserted into are formed in the lower portion of the header, ports corresponding to the heat exchange tubes are, the collecting pipe is communicated with each heat exchange pipe, and the collecting pipe and the heat exchange pipes can be sealed by adopting a sealing ring or welding. The vacuum solar heat collecting pipe inner cavity, the header, the heat exchange pipe and the heat collecting pipe are filled with heat exchange medium, and the heat exchange medium is antifreeze or water.

Preferably, the collecting pipe is provided with an exhaust port which is directly communicated with the atmosphere or is provided with an automatic exhaust valve, and a check valve can also be arranged, and the header is provided with a liquid supplementing port which is connected with the liquid supplementing valve.

Preferably, the collecting pipe is provided with a liquid supplementing port, the liquid supplementing port is connected with the liquid supplementing valve, the liquid supplementing port is arranged at the top or the end part of the collecting pipe, and the liquid supplementing port can be used for supplementing a heat exchange medium or exhausting gas.

Preferably, the liquid supplementing valve is a floating ball type water feeding valve or a diaphragm type water control valve. The float ball type water supply valve is a universal component of a solar water heater, and structurally comprises a float ball valve, a float ball, an exhaust port, a water inlet and a water outlet, wherein the water outlet is connected with a liquid supplementing port, and the water inlet is communicated with a water supply pipe and can automatically supplement water; the diaphragm type water control valve is also a universal component of a solar water heater, structurally comprises a rubber diaphragm component, a pressure regulating spring, a water inlet and a water outlet, and realizes automatic water feeding and water level control by utilizing the balance between the sum of the pressure transmitted to the diaphragm from the water outlet and the pressure generated by the spring and the water inlet pressure. 1

Preferably, the heat exchange tube is a thin-wall metal tube or a glass tube. The heat exchange tube can adopt metal pipe or glass pipe alone, also can adopt the combination of metal pipe and glass pipe, when adopting two kinds of materials, because of the heat conduction system of heat exchange tube is different, the medium temperature produces the difference in the heat exchange tube of different materials, can accelerate natural circulation speed, the gain of heat of lift system.

The utility model has the advantages that:

1. the heat collection and the heat storage are separated, the medium is arranged in the inner cavity of the evacuated solar collector tube, the header, the heat exchange tube and the collector, the water is fresh and active water, the water quality is healthy, the heat of the evacuated solar collector tube is continuously transferred to the water in the inner container through the natural circulation of the medium, the intercommunicated heat exchange tubes are favorable for improving the natural circulation effect, and the temperature is rapidly increased;

2. when the solar water heater is installed, the vacuum solar heat collecting pipe is inserted into the header, the water tank and the vacuum solar heat collecting pipe are integrally installed on the support, the operation mode is the same as that of a common solar water heater, and the installation is convenient and rapid;

3. the heat exchange tubes are inserted into the lower insertion holes and the upper insertion holes of the inner container in a penetrating manner, and the pressure of water in the inner container only acts on the tube wall of the heat transfer tube and can bear higher pressure;

4. the heat exchange tube can be made of metal or glass, when a metal tube is adopted, stainless steel or carbon steel tube enamel can be adopted, safety and sanitation are achieved, corrosion resistance is achieved, the heat exchange tube is suitable for areas with poor water quality, and compared with a jacket or a coil heat exchanger, cost is greatly saved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the pressure-bearing integrated solar water heater of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of another embodiment of the present invention.

In the figure, 1: a water tank; 2: a vacuum solar heat collecting tube; 3: a support; 4: an inner container; 401: a lower portion insertion hole; 402: an upper jack; 5: a heat exchange pipe; 6: a header; 7: a header; 8: an exhaust port; 9: a fluid infusion port; 10: a floating ball type water supply valve; 11: an automatic exhaust valve; 12: diaphragm type water control valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in fig. 1, a pressure-bearing integrated solar water heater comprises a water tank 1, evacuated solar collector tubes 2 and a support 3, wherein the water tank 1 is provided with a water inlet pipe and a water outlet pipe, a liner 4 of the water tank 1 is provided with a lower jack 401 and an upper jack 402 which are coaxial, the liner 4 is provided with a plurality of heat exchange tubes 5 with two open ends, the heat exchange tubes 5 are inserted into the lower jack 401 and the upper jack 402 of the liner 4 in a sealing manner of sealing ring sealing or welding sealing, a header 7 is arranged between the liner 4 and the evacuated solar collector tubes 2, the upper part of the header 7 is provided with a heat exchange port corresponding to the heat exchange tubes 5, the part of the lower end of the heat exchange tubes 5 extending out of the liner 4 is connected and sealed with the header 7 through the heat exchange port, the lower part of the header 7 is provided with a mounting hole for inserting the evacuated solar collector tubes 2, a collector tube, the collecting pipe 6 is provided with an interface corresponding to the heat exchange pipe 5, the part of the upper end of the heat exchange pipe 5 extending out of the inner container 4 is connected and sealed with the collecting pipe 6, the collecting pipe 6 is communicated with each heat exchange pipe 5, and the collecting pipe 6 and the heat exchange pipes 5 can be sealed by adopting a sealing ring or welding. The evacuated solar collector tube 2, the header 7, the heat exchange tube 5 and the collector 6 form a heat collection system, and a heat exchange medium is injected in the evacuated solar collector tube and is antifreeze solution or water. The collecting pipe 6 is provided with an exhaust port 8, the exhaust port 8 is communicated with the atmosphere, the header 7 is provided with a liquid supplementing port 9, and the liquid supplementing port 9 is connected with a liquid supplementing valve. The medium enters the heat collection system through the liquid supplementing port 9, the internal gas is discharged through the exhaust port 8, the heat exchange tube 5 is filled with the medium, and heat exchange is carried out through the tube wall.

In a further improvement, the liquid supplementing valve is a floating ball type water feeding valve 10. The floating ball type water feeding valve 10 can control the water feeding liquid level and can also absorb the expansion of partial media, thereby realizing the automatic operation of machinery.

In a further improvement, the heat exchange tube is a thin-wall metal tube or a glass tube.

Example 2: as shown in fig. 2, a pressure-bearing integrated solar water heater comprises a water tank 1, evacuated solar collector tubes 2 and a support 3, wherein the water tank 1 is provided with a water inlet pipe and a water outlet pipe, a liner 4 of the water tank 1 is provided with a lower jack 401 and an upper jack 402 which are coaxial, the liner 4 is provided with a plurality of heat exchange tubes 5 with two open ends, the heat exchange tubes 5 are inserted into the lower jack 401 and the upper jack 402 of the liner 4 in a sealing manner of sealing ring sealing or welding sealing, a header 7 is arranged between the liner 4 and the evacuated solar collector tubes 2, the upper part of the header 7 is provided with a heat exchange port corresponding to the heat exchange tubes 5, the part of the lower end of the heat exchange tubes 5 extending out of the liner 4 is connected and sealed with the header 7 through the heat exchange port, the lower part of the header 7 is provided with a mounting hole for inserting the evacuated solar collector tubes 2, a collector tube, the collecting pipe 6 is provided with an interface corresponding to the heat exchange pipe 5, the part of the upper end of the heat exchange pipe 5 extending out of the inner container 4 is connected and sealed with the collecting pipe 6, the collecting pipe 6 is communicated with each heat exchange pipe 5, and the collecting pipe 6 and the heat exchange pipes 5 can be sealed by adopting a sealing ring or welding. The evacuated solar collector tube 2, the header 7, the heat exchange tube 5 and the collector 6 form a heat collection system, and a heat exchange medium is injected in the evacuated solar collector tube and is antifreeze solution or water. The collecting pipe 6 is provided with a liquid supplementing port 9, and the liquid supplementing port 9 is connected with a liquid supplementing valve. The liquid supplementing port 9 is arranged at the top or the end part of the header 6, and the liquid supplementing port 6 can be used for supplementing a heat exchange medium and has an exhaust function.

In a further improvement, the liquid supplementing valve is a floating ball type water feeding valve 10.

In a further improvement, the heat exchange tube 5 is a thin-wall metal tube or a glass tube.

Example 3: as shown in fig. 3, a pressure-bearing integrated solar water heater comprises a water tank 1, evacuated solar collector tubes 2 and a support 3, wherein the water tank 1 is provided with a water inlet pipe and a water outlet pipe, a liner 4 of the water tank 1 is provided with a lower jack 401 and an upper jack 402 which are coaxial, the liner 4 is provided with a plurality of heat exchange tubes 5 with two open ends, the heat exchange tubes 5 are inserted into the lower jack 401 and the upper jack 402 of the liner 4 in a sealing manner of sealing ring sealing or welding sealing, a header 7 is arranged between the liner 4 and the evacuated solar collector tubes 2, the upper part of the header 7 is provided with a heat exchange port corresponding to the heat exchange tubes 5, the part of the lower end of the heat exchange tubes 5 extending out of the liner 4 is connected and sealed with the header 7 through the heat exchange port, the lower part of the header 7 is provided with a mounting hole for inserting the evacuated solar collector tubes 2, a collector tube, the collecting pipe 6 is provided with an interface corresponding to the heat exchange pipe 5, the part of the upper end of the heat exchange pipe 5 extending out of the inner container 4 is connected and sealed with the collecting pipe 6, the collecting pipe 6 is communicated with each heat exchange pipe 5, and the collecting pipe 6 and the heat exchange pipes 5 can be sealed by adopting a sealing ring or welding. The evacuated solar collector tube 2, the header 7, the heat exchange tube 5 and the collector 6 form a heat collection system, and a heat exchange medium is injected in the evacuated solar collector tube and is antifreeze solution or water. An exhaust port 8 is arranged on the collecting pipe 6, the exhaust port 8 is connected with an automatic exhaust valve 11, a liquid supplementing port 9 is arranged on the header 7, and the liquid supplementing port 9 is connected with a liquid supplementing valve. The medium enters the heat collecting system through the liquid supplementing port 9, and the internal gas is exhausted through the exhaust port 8.

In a further improvement, the liquid supplementing valve is a diaphragm type water control valve 12. The diaphragm type water control valve 12 can adjust the pressure of the water outlet so as to control the height of the upper water level, and when the automatic exhaust valve 11 is used, when the temperature rises and the medium expands, the expanded medium can also return to a pipe network through the water inlet of the diaphragm type water control valve 12.

Claims

1. The utility model provides a pressure-bearing integral type solar water heater, includes water tank, evacuated solar collector tube and support, be equipped with inlet tube and outlet pipe on the water tank, characterized by: the solar vacuum heat collecting tube heat exchanger is characterized in that a lower jack and an upper jack which are coaxial are formed in an inner container of the water tank, a plurality of heat exchange tubes with two ends open are arranged on the inner container, the heat exchange tubes are inserted into the lower jack and the upper jack of the inner container in a penetrating mode and are sealed, a header is arranged between the inner container and the vacuum solar heat collecting tube, a heat exchange port corresponding to the heat exchange tubes is formed in the upper portion of the header, the lower end of each heat exchange tube, extending out of the inner container, is connected and sealed with the header through the corresponding heat exchange port, a mounting hole for inserting the vacuum solar heat collecting tube is formed in the lower portion of the header, a collecting tube is arranged outside the inner container, an interface corresponding to the heat.

2. A pressure-bearing integrated solar water heater as claimed in claim 1, wherein: the collecting pipe is provided with an exhaust port, the header is provided with a liquid supplementing port, and the liquid supplementing port is connected with a liquid supplementing valve.

3. A pressure-bearing integrated solar water heater as claimed in claim 1, wherein: and the collecting pipe is provided with a liquid supplementing port which is connected with a liquid supplementing valve.

4. A pressure-bearing integrated solar water heater as claimed in claim 2 or 3, wherein: the liquid supplementing valve is a floating ball type water feeding valve or a diaphragm type water control valve.

5. A pressure-bearing integrated solar water heater as claimed in claim 1, wherein: the heat exchange tube is a thin-wall metal tube or a glass tube.