CN107687713A - A kind of vertical wall-mounted non-water tank solar water heater - Google Patents

Abstract

The invention belongs to the technical field of heat treatment and equipment, and relates to a heating device, in particular to a vertical wall-mounted tankless solar water heater. In the device, the shell is a hollow cuboid with an opening on one side, the buffer layer covers the shell, the tempered glass plate is located at the opening surface of the shell and forms a cavity structure, the glass cavity is an integral glass structure and is located inside the cavity structure, and includes Vacuum cavity, vacuum glass heat-absorbing cavity, thermal fluid cavity and water storage cavity, all of which are hollow structures. The glass cavity also includes a blue film coating sprayed on the vacuum glass heat-absorbing cavity. The vacuum glass absorbs heat. The cavity is adjacent to the tempered glass plate, and the water inlet and the water outlet both penetrate from the shell to the water storage cavity. With this device, vertical installation can be realized, the water storage capacity is high, no additional water tank is needed, the installation is more convenient and efficient, the cost of the glass structure is low, the processing is easy, the thermal efficiency is high, the service life is long, the internal component structure is stable, the water quality is high, and the Low installation.

Description

A vertical wall-mounted tankless solar water heater

technical field

The invention belongs to the technical field of heat treatment and equipment, and relates to a heating device, in particular to a vertical wall-mounted tankless solar water heater.

Background technique

As people continue to burn fossil fuels such as oil and coal, a large amount of greenhouse gases are produced, which in turn leads to a continuous rise in the temperature of the earth and a gradual warming of the global climate, thereby destroying the balance of the ecosystem and threatening the survival and development of human beings. As a kind of clean energy, solar energy has a sustainable supply and extremely safe performance, making the solar energy industry gradually develop into an important development industry in various countries today.

As a mature product of solar energy utilization, solar water heaters have developed very mature technology, but there are still some limitations: solar collectors and water storage tanks are installed separately, resulting in low thermal efficiency during use; the installation process is complicated, and at the same time It occupies a certain amount of indoor space; some materials are difficult to process and the cost is high, which leads to the high price of the water heater as a whole. Above-mentioned limitation limits the use and the development of solar water heater to a certain extent.

Contents of the invention

The object of the present invention is to provide a vertical wall-mounted tankless solar water heater, which is vertically installed without an additional water tank, has high thermal efficiency, is easy to install, and is low in cost.

The technical scheme that the present invention solves the problems of the technologies described above is:

A vertical wall-mounted tankless solar water heater, comprising a casing, a buffer layer, a tempered glass plate, a sealant, a glass cavity, a water inlet and a water outlet; the shape of the casing is a hollow cuboid with one side open, and the buffer layer covers the inner wall of the casing Above, the toughened glass plate is located at the opening surface of the shell, and is connected with the surroundings of the opening surface of the shell through a sealant to form a cavity structure, and the glass cavity is located inside the cavity structure; the glass cavity is an integral glass structure, including hollow Vacuum cavity, vacuum glass heat-absorbing cavity, heat-conducting fluid cavity and water storage cavity, the cross-section of the vacuum cavity is a rectangle with one side open, the vacuum glass heat-absorbing cavity, heat-conducting fluid cavity and water storage The cavity is arranged parallelly inward from the opening of the vacuum cavity; the glass cavity also includes a blue film coating, which is sprayed on the side of the vacuum glass heat-absorbing cavity adjacent to the thermal fluid cavity; the glass cavity The vacuum glass heat-absorbing cavity of the body is adjacent to the tempered glass plate; the water inlet and the water outlet both penetrate from the shell to the water storage cavity of the glass cavity.

The glass cavity of the solar water heater also includes a first force-bearing pillar, a second force-bearing pillar and a third force-bearing pillar, at least 20 first force-bearing pillars are arranged in the vacuum cavity, and at least 5 second load-bearing pillars, and at least 5 third load-bearing pillars are arranged in the thermal fluid cavity; pins are also included, and the pins pass through the shell and are located outside the sealant; the vacuum glass heat-absorbing cavity of the glass cavity and the toughened A limit block is set between the glass plates, and the material of the limit block is hard rubber; the water inlet and the water outlet are respectively located on the adjacent two sides of the water storage cavity, and are separated up and down; the material of the buffer layer is soft rubber, One of foam plastics and sponges; the thermal fluid cavity is filled with thermal fluid, which is propylene glycol solution or glycerol solution; the volume of the thermal fluid is 85% to 99% of the cavity volume of the thermal fluid cavity.

The size of the solar water heater is: length 2100mm-2600mm, height 600mm-1000mm, thickness 140mm-180mm.

The solar water heater is used for heating liquid water.

The beneficial effects of utilizing the vertical wall-mounted tankless solar water heater of the present invention are:

(1) It can be installed vertically, with a water storage capacity of up to 130L ~ 150L, no additional water tank is required, the installation is more convenient and efficient, the cost of the glass structure is low, and the processing is easy;

(2) High thermal efficiency and long service life: the glass cavity is an integral glass structure, including a vacuum cavity, a vacuum glass heat-absorbing cavity, a thermal fluid cavity and a water storage cavity, and each cavity Reasonable arrangement and interaction in spatial position; the vacuum glass heat absorption cavity is sprayed with blue film coating, and is located on the side adjacent to the thermal fluid cavity, which can achieve efficient heat absorption, immediately transfer heat to the thermal fluid and Perform heat exchange, and at the same time, it can also slow down the problems such as the reduction of life caused by the direct contact between the blue film coating and other media; When the water storage cavity is filled with water, the temperature changes instantaneously and the glass plate bursts; the thermal fluid cavity can realize indirect heat transfer to ensure that the water quality in the water storage cavity is not affected; Components to prevent the pressure difference between the water storage chamber and the external environment from damaging the glass plate;

(3) The structure of the internal components is stable: the buffer layer can prevent the direct contact between the hard shell and the internal glass cavity, so that the glass cavity can avoid the glass broken due to the deformation of the shell; the tempered glass plate can protect the internal structure of the water heater from hail, The direct impact of foreign objects such as falling objects, while there is a gap between the tempered glass plate and the glass cavity, effectively avoids the deformation of the tempered glass plate and the direct extrusion deformation of the internal structure; in addition, the pin can prevent the tempered glass plate and the sealant The tempered glass plate is not firmly bonded, or the tempered glass plate is accidentally detached due to long-term weathering or glue breakage caused by bad weather, which makes the tempered glass plate fixed more firmly;

(4) High water quality and low installation: The water inlet and outlet are respectively located on both sides of the water storage cavity, which alleviates the problem of reducing the quality of hot water at the outlet when the inlet and outlet are on the same side, and at the same time enables the water heater to be used The pressure-bearing water outlet method is convenient for low-level installation.

Description of drawings

Fig. 1 is the structural representation of vertical wall-mounted tankless solar water heater of the present invention;

Fig. 2 is a schematic structural view of the glass cavity of the present invention.

The codes in the drawings are: 1 is the shell, 2 is the buffer layer, 3 is the tempered glass plate, 4 is the sealant, 5 is the glass cavity, 5-1 is the vacuum cavity, 5-2 is the heat absorption of the vacuum glass Cavity, 5-3 is the thermal fluid cavity, 5-4 is the water storage cavity, 5-5 is the blue film coating, 5-6 is the first load-bearing pillar, 5-7 is the second load-bearing pillar, 5-8 is the third bearing pillar, 6 is a water inlet, 7 is a water outlet, 8 is a pin, and 9 is a limit block.

detailed description

As shown in Figure 1 and Figure 2, a vertical wall-mounted tankless solar water heater includes a shell 1, a buffer layer 2, a tempered glass plate 3, a sealant 4, a glass cavity 5, a water inlet 6, a water outlet 7, and pins 8 and limit block 9; the shape of the shell 1 is a hollow cuboid with an opening on one side, the material of the buffer layer 2 is soft rubber, the buffer layer 2 covers the inner wall of the shell 1, and the tempered glass plate 3 is located at the opening surface of the shell 1 , and connect with the periphery of the opening surface of the shell 1 through the sealant 4 to form a cavity structure, and the glass cavity 5 is located inside the cavity structure;

The glass cavity 5 is an integral glass structure, including a vacuum cavity 5-1, a vacuum glass heat absorbing cavity 5-2, a thermal fluid cavity 5-3 and a water storage cavity 5-4, all of which are hollow structures. The cross-section of the chamber 5-1 is a rectangle with one side open, and the vacuum glass heat absorbing chamber 5-2, the thermal fluid chamber 5-3 and the water storage chamber 5-4 are arranged sequentially from the opening of the vacuum chamber 5-1. Inward parallel arrangement; glass cavity 5 also includes blue film coating 5-5, and blue film coating 5-5 is sprayed on a vacuum glass heat absorbing cavity 5-2 adjacent to thermal fluid cavity 5-3 side; the glass cavity 5 also includes a first force-bearing pillar 5-6, a second force-bearing pillar 5-7 and a third force-bearing pillar 5-8, and 24 first force-bearing pillars are arranged in the vacuum chamber 5-1 Pillars 5-6, seven second force-bearing pillars 5-7 are arranged in the vacuum glass heat-absorbing cavity 5-2, and seven third force-bearing pillars 5-8 are arranged in the heat transfer liquid cavity 5-3; The liquid cavity 5-3 is filled with a thermal fluid, the thermal fluid is a glycerol solution, and the volume of the thermal fluid is 85% to 99% of the cavity volume of the thermal fluid cavity 5-3;

The vacuum glass heat-absorbing cavity 5-2 of the glass cavity 5 is adjacent to the toughened glass plate 3, and a space is left between them by a stopper 9, the material of the stopper 9 is hard rubber; the water inlet 6 Both the water outlet 7 and the water outlet 7 penetrate from the shell 1 to the water storage cavity 5-4 of the glass cavity 5, and are respectively located on the adjacent two sides of the water storage cavity 5-4, separated up and down; the pin 8 passes through the shell 1 And be positioned at the outer side of sealant 4; The solar water heater, its size is: length 2400mm, height 800mm, thickness 160mm, and its purpose is to heat liquid water.

The thermal fluid in the thermal fluid chamber 5-3 needs to be added according to the thermal expansion coefficient of different thermal fluids at the highest temperature of the water heater. 3 The internal pressure is too large, which leads to the unexpected situation that the glass structure bursts.

The use process of the solar water heater is as follows: place the water heater in an outdoor light place, open the water inlet 6, fill the water storage cavity 5-4 with cold water, absorb solar energy through the vacuum glass heat absorption cavity 5-2, and use blue The film coating 5-5 realizes high-efficiency heat absorption, and immediately transfers the heat to the thermal fluid in the thermal fluid cavity 5-3 for heat exchange. After the thermal fluid absorbs heat and rises in temperature, it transfers the heat to the water storage cavity 5-4 The cold water inside, and then the cold water is heated, flows out and uses through water outlet 7.

Claims (10)

1. A vertical wall-mounted tankless solar water heater, characterized in that it comprises a casing (1), a buffer layer (2), a tempered glass plate (3), a sealant (4), a glass cavity (5), and a water inlet (6) and water outlet (7); The shape of the shell (1) is a hollow cuboid with an opening on one side, the buffer layer (2) is covered on the inner wall of the shell (1), and the tempered glass plate (3) is located at the opening surface of the shell (1), And through the sealant (4) is connected with the periphery of the opening surface of the shell (1) to form a cavity structure, and the glass cavity (5) is located inside the cavity structure; The glass cavity (5) is an integral glass structure, including a vacuum cavity (5-1), a vacuum glass heat-absorbing cavity (5-2), and a thermal fluid cavity (5-3) all of which are cavity structures. and a water storage cavity (5-4), the cross section of the vacuum cavity (5-1) is a rectangle with one side open, the vacuum glass heat absorption cavity (5-2), the thermal fluid cavity (5 -3) and the water storage cavity (5-4) are sequentially arranged inwardly in parallel with the opening of the vacuum cavity (5-1); The glass cavity (5) also includes a blue film coating (5-5), and the blue film coating (5-5) is sprayed on the vacuum glass heat absorbing cavity (5-2) and the thermal fluid cavity (5-3) Adjacent side; The vacuum glass heat absorbing cavity (5-2) of the glass cavity (5) is adjacent to the tempered glass plate (3); Both the water inlet (6) and the water outlet (7) penetrate from the casing (1) into the water storage cavity (5-4) of the glass cavity (5). 2. a kind of vertical wall-mounted tankless solar water heater as claimed in claim 1, is characterized in that, described glass cavity (5) also comprises the first force-bearing pillar (5-6), the second force-bearing pillar ( 5-7) and the third bearing pillar (5-8), the vacuum chamber (5-1) is provided with at least 20 first bearing pillars (5-6), and the vacuum glass heat absorbing chamber At least 5 second force-bearing pillars (5-7) are arranged in the body (5-2), and at least 5 third force-bearing pillars (5-8) are arranged in the heat transfer liquid cavity (5-3) . 3. A vertical wall-mounted tankless solar water heater as claimed in claim 1, further comprising pins (8), said pins (8) passing through the shell (1) and located at the sealant (4) outside. 4. A kind of vertical wall-mounted water tankless solar water heater as claimed in claim 1, is characterized in that, the vacuum glass heat-absorbing cavity (5-2) of described glass cavity (5) and tempered glass plate (3) A limiting block (9) is arranged between them, and the material of the limiting block (9) is hard rubber. 5. A vertical wall-mounted tankless solar water heater as claimed in claim 1, characterized in that the water inlet (6) and the water outlet (7) are respectively located adjacent to the water storage cavity (5-4). on both sides, and up and down. 6 . A vertical wall-mounted tankless solar water heater as claimed in claim 1 , wherein the material of the buffer layer ( 2 ) is one of soft rubber, foam plastic or sponge. 7. A vertical wall-mounted tankless solar water heater as claimed in claim 1, characterized in that, the heat-conducting liquid cavity (5-3) is filled with a heat-conducting liquid, and the heat-conducting liquid is propylene glycol solution or propane triol solution. 8. A vertical wall-mounted tankless solar water heater as claimed in claim 7, characterized in that the volume of the heat transfer fluid is 85% to 99% of the cavity volume of the heat transfer fluid cavity (5-3). 9. A vertical wall-mounted tankless solar water heater as claimed in claim 1, characterized in that its dimensions are: length 2100mm-2600mm, height 600mm-1000mm, thickness 140mm-180mm. 10. A vertical wall-mounted tankless solar water heater as claimed in any one of claims 1 to 9, characterized in that it is used for heating liquid water.