CN115654459A - A new type of serpentine heat pipe vacuum tube structure and a solar system capable of producing steam - Google Patents

Abstract

The invention relates to the field of solar energy, in particular to a novel snakelike heat transmission pipe vacuum tube structure and a solar energy system capable of generating steam, which comprise a support, wherein vacuum heat collection pipes are laid on one side of the support in parallel, metal heat collection pipes are arranged in the vacuum heat collection pipes, C-shaped clamping grooves are symmetrically arranged on the outer side surfaces of the metal heat collection pipes, snakelike heat transmission pipes are laid in the clamping grooves along the axis direction, two ends of each snakelike heat transmission pipe extend out from two ends of each vacuum heat collection pipe, the snakelike heat transmission pipes are connected end to form a snakelike pipe, and condenser lenses with reflection functions are arranged on the front side and the rear side of the novel snakelike heat transmission vacuum tube.

Description

A new type of serpentine heat pipe vacuum tube structure and a solar system capable of producing steam

technical field

The invention relates to the field of solar energy, in particular to a novel serpentine heat transfer tube vacuum tube structure and a solar energy system capable of producing steam.

Background technique

Vacuum glass tube solar water heater converts solar heat into hot water to meet people's demand for hot water in daily life. Vacuum glass tube solar water heater is widely used. At present, most of the vacuum glass tube solar water heaters on the market are integrated. The main structure of the integrated type is that multiple vacuum glass heat collecting tubes are directly inserted into the heat preservation water tank. With the improvement of people's living standards, the demand for hot water is also increasing. , the existing vacuum glass tube solar water heater needs sunlight for a long time to slowly heat water, the temperature rise rate is slow, and can only provide hot water below the boiling point, and cannot quickly heat water to high-temperature steam with a certain pressure , while a certain pressure of high-temperature steam has high energy quality, which can be used to drive small steam turbines to do work, dry, and operate lithium bromide refrigeration units...

How to use the vacuum glass tube solar water heater to quickly heat water into high-temperature steam with a certain pressure is an urgent problem to be solved at present.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the above-mentioned technologies, and provide a new type of serpentine heat transfer tube vacuum tube structure and a solar energy system capable of producing steam.

In order to solve the above-mentioned technical problems, the technical solution provided by the present invention is a new type of serpentine heat transfer tube vacuum tube structure and a solar energy system capable of producing steam, including a bracket, and vacuum heat collecting tubes are laid side by side on one side of the bracket, and the vacuum heat collecting tubes There is a metal heat collecting tube inside the body, and the outer surface of the metal heat collecting tube is symmetrically provided with a C-shaped card slot, and the inside of the card slot is laid with a heat transfer tube along the axial direction, and the two ends of the heat transfer tube protrude from the nozzle of the vacuum heat collecting tube , the end-to-end connection of the heat transfer pipes forms a serpentine tube, the vacuum heat collection tube is provided with a nozzle and one end is connected to the incubator, and the two ends of the serpentine tube protrude from the two ends of the incubator respectively.

As an improvement, the outer surface of the metal heat collecting tube is coated with a layer of selective coating, and the coating has the characteristics of high heat absorption and low radiation.

As an improvement, the lateral section of the side wall of the metal heat collecting tube cylinder is set to a smooth structure.

As an improvement, the lateral section of the side wall of the metal heat collecting tube body is arranged in a broken line shape.

As an improvement, the support is configured as a tripod structure.

A solar energy system capable of producing steam, which includes a novel serpentine heat transfer vacuum tube structure and a light concentrating device that can be used in conjunction with a novel serpentine heat transfer vacuum tube structure, and multiple groups of novel serpentine vacuum tube structures are connected in mixed connection; The light concentrating device is arranged on the front and rear sides of the vacuum heat collecting tube, and the side of the light concentrating device facing the vacuum heat collecting tube is provided with a reflective material.

As an improvement, the longitudinal section of the light concentrating device is arranged in an arc-shaped structure or a planar structure.

As an improvement, the hybrid connection mode between multiple groups of new serpentine heat transfer tube vacuum tube structures includes one or more combination modes of series connection and parallel connection.

As an improvement, the reflective glass is composed of a plurality of strip reflective mirror glass or integral glass arranged side by side.

As an improvement, the installation angle of the light concentrating device and the included angle with the horizontal plane are calculated and confirmed according to different latitudes.

The advantage of the present invention compared with prior art is:

It can quickly heat water into high-temperature steam with a certain pressure, improve the heat grade of solar energy, realize the medium and high temperature utilization of solar energy, and improve the comprehensive utilization efficiency of solar energy.

Description of drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a serpentine heat pipe vacuum tube;

Fig. 2 is a schematic diagram of the main view of the serpentine heat pipe vacuum tube;

Fig. 3 is a schematic diagram of arrangement of vacuum heat collecting tubes side by side;

Fig. 4 is a first view schematic diagram of the internal structure of the vacuum heat collecting tube;

Fig. 5 is a schematic diagram of a second perspective view of the internal structure of the vacuum heat collecting tube;

Fig. 6 is a schematic diagram of the transverse section structure of the vacuum heat collecting tube;

Fig. 7 is a schematic diagram of the transverse section structure of the vacuum heat collecting tube;

Fig. 8 is a schematic diagram of a light concentrating structure.

As shown in Figures 1 to 8: 1. bracket, 2. vacuum heat collecting tube, 3. incubator, 4. serpentine tube, 401, heat transfer tube, 5. metal heat collecting tube, 501, card slot, 6. front spotlight Components, 7 post-concentrating components.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

In the description of the embodiments of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, and is only for the convenience of describing the present invention and simplifying the description. It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In addition, the appearance of the terms "horizontal", "vertical", "overhanging" etc. does not mean that the parts are absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the embodiments of the present invention, "multiple" means at least 2.

In the description of the embodiments of the present invention, it should also be noted that, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "connection" should be interpreted in a broad sense, for example, It can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

A new serpentine vacuum tube structure and a solar energy system capable of producing steam of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Combined with accompanying drawings 1-8, a new type of serpentine heat transfer tube vacuum tube structure and solar energy system capable of producing steam includes a bracket 1, and vacuum heat collecting tubes 2 are laid side by side on one side of the bracket 1, and the coating on the outside of the inner tube of the vacuum tube 2 is optional. The coating has high heat absorption and low radiation characteristics; the metal heat collecting tube 5 is arranged inside the tube body of the vacuum heat collecting tube 2, and the outer surface of the metal heat collecting tube 5 is symmetrically provided with a C-shaped card slot 501, and the card Inside the groove 501, a heat transfer pipe 401 is laid along the axial direction. Both ends of the heat transfer pipe 401 protrude from the nozzle of the vacuum heat collection pipe 2. The heat transfer pipe 401 is connected end to end to form a serpentine pipe 4. The vacuum heat collection pipe 2 is provided One end of the nozzle is connected to the incubator 3, and the two ends of the serpentine tube 4 protrude from the two ends of the incubator 3 respectively, and an insulation layer is laid inside the incubator 3, which is arranged in two layers, and the bottom layer is a flexible insulation material foamed polyurethane or Rubber insulation cotton, rock wool, and the upper material is made of high temperature resistant airgel adhesive material.

As a preferred implementation of this embodiment, the outer surface of the metal heat collecting tube 5 is coated with a selective coating, and the coating has high heat absorption and low radiation characteristics.

As a preferred implementation of this embodiment, the lateral cross-section of the cylinder side wall of the metal heat collecting tube 5 is set to a smooth structure.

As a preferred implementation of this embodiment, the lateral section of the side wall of the metal heat collecting tube 5 is arranged in a broken line shape, which is used to increase the sunlight receiving area.

As a preferred implementation of this embodiment, the support 1 is configured as a tripod structure.

A solar energy system capable of producing steam, which includes a novel serpentine vacuum tube structure and a concentrating device that can be used in conjunction with a novel serpentine vacuum tube structure, and multiple sets of novel serpentine vacuum tube structures are connected in mixed connection; the concentrator The device is arranged on the front and back sides of the vacuum heat collecting tube 2, and the said concentrating device is provided with a reflective material towards the side of the vacuum heat collecting tube 2, and the reflective material can be glass silver mirror, mirror stainless steel, mirror aluminum, mirror acrylic material or mirror film.

As a preferred implementation of this embodiment, the longitudinal section of the light concentrating device is arranged in an arc-shaped structure or a planar structure.

As a preferred implementation of this embodiment, the hybrid connection mode among multiple groups of new serpentine heat transfer tube vacuum tube structures includes one or more combination modes of series connection and parallel connection.

As a preferred implementation of this embodiment, the reflective glass is composed of a plurality of strip-shaped reflective mirror glass or integral glass arranged side by side.

As a preferred implementation of this embodiment, the installation angle of the light concentrating device and the included angle with the horizontal plane are both calculated and confirmed according to different latitudes.

In the actual implementation of the present invention, according to the design and use requirements, the solar energy system capable of producing steam is connected in series by multiple groups of novel serpentine vacuum tube structures, the water inlet end of the solar energy system capable of producing steam is connected with the outlet of the water pump, and each group of novel serpentine vacuum tube structures are connected to each other. The structure of the heat pipe vacuum tube is composed of vacuum heat collecting tubes arranged side by side. The concentrating device reflects sunlight on the surface of the vacuum heat collecting tube. The angle of the light concentrating device and the angle with the horizontal plane are calculated and confirmed according to different latitudes. The heat is transferred to the metal heat collecting tube. The side of the metal heat collecting tube can be made into a smooth structure, or it can be made into a wave (toothed, broken line) shape according to needs to increase the heat collecting area. The temperature of the metal heat collecting tube rises, and then the metal heat collecting tube The heat pipe transfers heat to the serpentine heat pipe 401 through heat transfer, and heats the working medium inside the serpentine heat pipe 401. The working medium is water (or other fluid working medium), and the water is pressurized by the water pump to enter the inside of the serpentine tube. Water or other fluid working medium is gradually heated and heated in the process of flowing inside the serpentine heat pipe until it is vaporized into high-temperature steam with a certain pressure.

The present invention and its implementations have been described above, and this description is not limiting. What is shown in the drawings is only one of the implementations of the present invention, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, and without departing from the inventive concept of the present invention, without creatively designing a structure and an embodiment similar to the technical solution, it shall fall within the scope of protection of the present invention.

Claims (10)

1. The utility model provides a novel snakelike heat transfer pipe vacuum tube structure which characterized in that: including support (1), evacuated collector tube (2) are laid side by side to support (1) one side, evacuated collector tube (2) body is inside to be equipped with metal collector tube (5), metal collector tube (5) outside plane symmetry is equipped with C type draw-in groove (501), draw-in groove (501) inslot portion lays heat pipe (401) along the axis direction, heat pipe (401) both ends are stretched out by evacuated collector tube (2) mouth of pipe, coil pipe (4) are constituteed in heat pipe (401) end to end connection, evacuated collector tube (2) are equipped with mouth of pipe one end and are connected with insulation can (3), coil pipe (4) both ends are stretched out from insulation can (3) both ends respectively.

2. The novel snakelike heat transfer pipe vacuum tube structure of claim 1, wherein: the selective coating is coated on the outer surface of the metal heat collecting tube (5), and the coating has high heat absorption and low radiation characteristics.

3. The novel snakelike heat transfer pipe vacuum tube structure of claim 1, wherein: the transverse section of the side wall of the cylinder body of the metal heat collecting pipe (5) is of a smooth structure.

4. The novel snakelike heat transfer pipe vacuum tube structure of claim 1, wherein: the transverse section of the side wall of the tube body of the metal heat collecting tube (5) is a broken line shaped structure.

5. The novel snakelike heat transfer pipe vacuum tube structure of claim 1, wherein: the support (1) is of a tripod structure.

6. A solar energy system capable of generating steam is characterized by comprising the novel snakelike heat transfer pipe vacuum tube structure and a light condensing device which can be matched with the novel snakelike heat transfer pipe vacuum tube structure according to claim 1, wherein a plurality of groups of novel snakelike heat transfer pipe vacuum tube structures are connected in a series-parallel mode; the light condensing device is arranged at the front side and the rear side of the vacuum heat collecting tube (2), and one side of the light condensing device facing the vacuum heat collecting tube (2) is provided with reflecting glass.

7. A steam generating solar power system as claimed in claim 6, wherein: the longitudinal section of the light gathering device is of an arc structure or a plane structure.

8. A steam generating solar power system as claimed in claim 6, wherein: the series-parallel connection mode among the multiple groups of novel snakelike heat transfer pipe vacuum pipe structures comprises one or more combination modes of series connection and parallel connection.

9. A steam generating solar power system as claimed in claim 6, wherein: the reflecting glass is composed of a plurality of pieces of strip reflecting mirror surface glass or integral glass arranged side by side.

10. A steam generating solar power system as claimed in claim 6, wherein: and the installation angle of the light condensing device and the included angle between the light condensing device and the horizontal plane are calculated and confirmed according to different latitudes.

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