CN216244943U - A solar energy integrated energy storage box based on phase change energy storage technology - Google Patents

Abstract

The utility model provides a solar integrated energy storage box based on a phase change energy storage technology, which comprises a heat reservoir main body, wherein a solar heat collector is fixed on the outer side of the main body, a water tank is arranged in the main body, and an insulating layer is arranged on the inner wall of the water tank. The solar water heater is characterized in that the lower end of the solar heat collector is in contact with the liquid chamber, the upper end of the liquid chamber is provided with a plurality of steam ascending pipes connected to the air chamber at the top end of the water tank, and the steam ascending pipes and the air chamber are both provided with outer heat-insulating layers. The lower end of the air chamber extends out of the plurality of condensation radiating pipes to extend to the liquid return chamber at the lower end of the water tank, and the liquid return chamber is provided with a certain inclination angle, so that the liquid working medium can conveniently flow back to the liquid chamber. Among this technical scheme the combination of liquid chamber, steam tedge, air chamber, condensation cooling tube, return liquid pipe has formed the heat pipe structure, and through the circulation of working medium in the pipeline, the evaporation heat absorption, the exothermic process of condensation can realize efficient heat-conduction effect, and device compact structure saves material and installation space simultaneously.

Description

A solar energy integrated energy storage box based on phase change energy storage technology

technical field

The utility model relates to the technical field of solar energy storage, in particular to a solar energy integrated energy storage box based on a phase-change energy storage technology.

Background technique

With the improvement of living standards and the requirements of energy saving and emission reduction, solar energy utilization has become one of the most common technologies. The most common system of solar energy storage is solar water heating system, which collects the heat of the sun through solar collectors and uses direct or indirect The heat transfer method heats domestic hot water, thereby reducing the consumption of other high-grade energy sources. This type of product is now very common in the market.

For buildings with a large demand for hot water, the conventional solar water heating system is very large, and the long conveying pipeline is easy to cause heat loss. At the same time, the heat transfer rate between the solar heat absorbed by the conventional solar water heating system and the domestic water is slow. , the above reasons will reduce the heating efficiency of hot water. As a high-efficiency heat-conducting element, the heat-conducting capacity of the heat pipe is higher than that of any known metal. If the heat-pipe technology can be applied to this type of solar heat storage system, it will greatly improve the interior of the device. At the same time, it can greatly compress the volume of solar heat storage equipment, reduce the use of pipes, and reduce manufacturing costs. At present, the number of related patented technologies and products combining heat pipe technology and solar heat storage technology is relatively small. Improvement has certain practical significance.

SUMMARY OF THE INVENTION

In view of the current situation, the utility model proposes a solar energy integrated energy storage box based on the phase change energy storage technology, which combines the heat pipe technology to improve the technology or products currently on the market, improves the conduction efficiency of solar heat and reduces the transmission heat loss, Reduce initial investment while improving equipment performance.

The utility model proposes a solar energy integrated energy storage box based on the phase change energy storage technology, which comprises a heat storage body, a solar heat collector, a heat pipe system, a heat storage box and a support, and a solar energy collector is arranged on one side of the energy storage body. The heater is fixed on the outside of the main body of the heat accumulator. The inside of the main body is provided with a water tank and a heat pipe heating structure. The solar heat collector is connected to the heat pipe system through a steam heat absorption pipe. The heat pipe system is located inside the energy storage box, and the energy storage box is supported by the support on the ground.

Further, the main body shell of the heat storage device is provided with an energy storage tank inside the outer shell, the water tank is inside the energy storage tank, a layer of insulation layer is arranged on the outer surface of the water tank, and a water inlet and a water outlet are respectively provided on both sides, and the energy storage tank is supported by the support On the ground, a solar collector is installed on one side of the main body of the heat storage, the collector is fixed on the outside of the main body of the heat storage, the evaporative heat absorption pipe is placed in the contact of the solar collector, and the steam riser is located between the outer casing and the energy storage tank , the gas chamber, the liquid chamber and the vertical condensing radiator are all located in the energy storage tank. The upper end of the evaporative heat absorption pipe is evenly arranged with a row of steam risers along the width direction. The end of the steam riser is connected to the air chamber at the top of the water tank. A number of vertical condensing and radiating pipes are arranged on the lower surface, and the ends are connected to the liquid chamber at the bottom of the water tank. The liquid chamber slopes 10-15 degrees to the liquid outlet, which is convenient for condensing the liquid working medium back to the liquid chamber.

Further, the solar heat collector is fixed outside the main body of the heat accumulator to collect heat from the sun; the energy storage box is located inside the main body of the heat accumulator and is used to store the heat collected by the solar energy, and the energy storage box is provided with heat for domestic use. There are liquid chambers, air chambers, condensation cooling pipes and liquid return pipes in the energy storage tank; the liquid chambers are connected with the solar collectors and are located below the collectors. It is used to collect the refluxing liquid working medium, in which the working medium evaporates and absorbs heat; the air chamber is fixed on the top of the water tank by the fixing piece, and the -10~-15 degree slope is towards the air inlet, which is used to collect the rising evaporation working medium and distribute it. The cooling pipe for descending; the condensation cooling pipe, which is vertically arranged in the energy storage tank, is used for condensing and releasing heat of the working medium and heating the domestic water; the liquid return pipe is used for returning the liquid working medium to the liquid chamber; the steam The rising pipe is located between the shell and the energy storage tank, and is used for the working fluid steam to rise to the gas chamber, and the external heat preservation material is added.

Further, the combination of evaporation heat absorption pipe, steam riser pipe, air chamber, condensation heat dissipation pipe, liquid chamber and liquid return pipe forms a heat pipe structure. The outer wall of the water tank is provided with a thermal insulation material; the evaporation heat absorption pipe is placed in the contact of the solar collector; the liquid chamber and the air chamber are 2 to 3 times the diameter of the connected branch pipe; the evaporation The lower end of the heat absorbing pipe is 300-500mm lower than the liquid chamber in the energy storage tank.

Compared with the prior art, the utility model has the following advantages:

1. The solar energy integrated energy storage box based on the phase change energy storage technology integrates the solar collector, the energy storage box and the heat pipe circulation system into one, with a compact structure and space saving.

2. The solar integrated energy storage box based on the phase change energy storage technology adopts a heat pipe structure as a heat conduction element inside, which can efficiently conduct the absorbed solar heat into the energy storage box and transfer it to the energy storage medium.

3. The heat pipe structure can realize the self-circulation of the internal working medium through the gaseous expansion of the working medium and the gravity and siphon action of the condensate, and effectively reduce the energy consumption in the energy transmission process.

Description of drawings

In order to describe the beneficial effects of the present utility model more clearly, the embodiments are described in detail below with reference to the accompanying drawings, wherein:

1 is a schematic diagram of a solar energy integrated energy storage box based on phase change energy storage technology;

2 is a schematic diagram of a heat pipe structure of a solar energy integrated energy storage box based on a phase change energy storage technology;

Among them: 1- heat storage body shell, 2- energy storage tank, 3- solar heat collector, 4- evaporative heat absorption pipe, 5- steam riser pipe, 6- air chamber, 7- condensing heat dissipation pipe, 8- liquid Room, 9-insulation layer, 10-water inlet, 11-water outlet, 12-support.

Detailed ways

Embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings:

The utility model proposes a solar energy integrated energy storage box based on the phase change energy storage technology, as shown in Figure 1, comprising a heat storage main body shell 1, an energy storage box 2 is arranged inside the outer shell, and a thermal insulation layer 9 is arranged on the outer surface of the water tank, The water inlet 10 and the water outlet 11 are respectively provided on both sides, the energy storage tank is supported on the ground by the support 12, the solar collector 3 is arranged on one side of the heat storage body 4, the heat collector is fixed on the outside of the heat storage body, and the evaporation The heat absorption pipe is placed in the contact of the solar collector, and the upper end of the evaporation heat absorption pipe is evenly arranged with a row of steam risers 5 along the width direction. The end of the vertical condensing heat dissipation pipe 7 is connected to the liquid chamber 8 at the bottom of the water tank, and the liquid chamber slopes at 10 to 15 degrees to the liquid outlet, which is convenient for condensing the liquid working medium back to the liquid chamber.

The internal heat pipe structure of the solar integrated energy storage tank proposed by the utility model based on the phase change energy storage technology is shown in Figure 2. The steam riser, the condensation heat dissipation pipe, and the return pipe are all a set of pipes, which need to be calculated and determined according to the volume of the water tank.

When the sun shines on the solar collector, the collector absorbs heat and conducts it to the liquid chamber through the lower surface. When the liquid chamber reaches a certain temperature, the internal liquid working evaporates and absorbs heat, transforming from liquid to gas, and the working medium vapor is The steam rising pipe rises to the air chamber at the top. Due to the narrow space of the air chamber, the internal pressure rises rapidly, and the high-temperature steam is pressed into the condensation heat release pipe at the bottom. Outside the condensation heat release pipe is the domestic hot water to be heated. Therefore, the gaseous working medium is condensed and released in the tube, and the heat is transferred to the cold water. The condensed working medium is converted into a liquid state and flows to the liquid return chamber, and returns to the liquid chamber through gravity to form a circulation of the working medium, and absorb and release heat again. , when using hot water, the water outlet is opened to release hot water, and cold water is also supplied through the water inlet. During the time of sunlight, the heat pipe structure can continue to heat the water in the water tank. In this embodiment, the working fluid in the heat pipe structure Circulation only by gravity and siphon, no need to circulate through other power equipment.

Although the embodiments of the present utility model have been described and shown, the present embodiment does not limit the present utility model, and any structural changes, modifications or deformations similar to the present utility model are carried out on the embodiments within the scope of the principles of the present utility model. It is regarded as being within the protection scope of the present invention.

Claims (9)

1. A solar energy integrated energy storage box based on phase change energy storage technology, characterized in that: comprising a heat storage body, a solar collector, a heat pipe system, a heat storage box and a support, the described energy storage body One side is provided with a solar collector, which is fixed on the outside of the main body of the heat storage device. The inside of the main body is provided with a water tank and a heat pipe heating structure. The solar collector is connected to the heat pipe system through a steam heat absorption pipe. The tank is supported on the ground by the support. There are liquid chamber, air chamber, condensation heat pipe and liquid return pipe in the energy storage tank. The upper end of the evaporation heat absorption pipe is evenly arranged with a row of steam risers along the width direction. The end of the steam riser is connected to the inside of the water tank. The air chambers at the top are connected, and a number of vertical condensing and radiating pipes are arranged on the lower surface of the air chamber, and the ends are connected to the liquid chamber at the bottom of the water tank. 2. A solar energy integrated energy storage box based on phase change energy storage technology according to claim 1, characterized in that: the solar heat collector is fixed on the outside of the main body of the heat storage device, and has a local latitude at an angle to the ground. Plus or minus 10 degrees. 3. A solar energy integrated energy storage tank based on phase change energy storage technology according to claim 1, characterized in that: the water tank is located inside the energy storage tank, and a layer of thermal insulation layer is arranged on the outer surface of the water tank, and two The water inlet and the water outlet are respectively provided on the sides, and the feature is that the inner wall of the water tank is provided with a thermal insulation layer. 4. A solar energy integrated energy storage box based on phase change energy storage technology according to claim 1, characterized in that: the heat pipe system is located inside the energy storage box, and the structure is composed of evaporation heat absorption pipes, steam It is composed of riser pipe, air chamber, condensing heat pipe, liquid return chamber and liquid return pipe. 5. A solar energy integrated energy storage tank based on phase change energy storage technology according to claim 1, characterized in that: the liquid chamber is located inside the energy storage tank and collects backflow liquid working medium, and the working medium is in Evaporation absorbs heat. 6. A solar energy integrated energy storage tank based on phase change energy storage technology according to claim 1, characterized in that: the steam riser is located between the outer casing and the energy storage tank, and the diameter of the pipe is the same as the thickness of the liquid chamber. The same, and the outer wall is equipped with an outer insulation layer, which is used for the working fluid steam to rise to the gas chamber, and the external insulation is added. 7 . The solar energy integrated energy storage tank based on phase change energy storage technology according to claim 1 , wherein the air chamber is located inside the energy storage tank, and the thickness of the air chamber is the same as that of the steam riser pipe. 8 . The pipes have the same diameter, are fixed on the top of the water tank and have an external thermal insulation layer on the outer wall, which are used to collect the rising evaporation working medium and distribute them to the descending radiating pipes. 8 . The solar energy integrated energy storage tank based on phase change energy storage technology according to claim 1 , wherein the condensing radiator pipe is vertically arranged in the energy storage tank, and the pipe diameter is the same as that of the steam riser pipe. 9 . The pipes have the same diameter and are vertically connected between the lower side of the gas chamber and the upper side of the liquid return chamber, and are used to condense and release the working fluid and heat domestic water. 9 . The solar energy integrated energy storage tank based on phase change energy storage technology according to claim 4 , wherein the liquid return chamber is located inside the energy storage tank, and the thickness of the liquid return chamber is the same as the thickness of the steam riser pipe. 10 . The pipe diameters are the same, and the liquid collecting pipe is 10 to 15 degrees sloped toward the liquid outlet, which is used for the return of the liquid working medium to the liquid chamber.

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