CN213395247U

CN213395247U - Automatic solar small-sized steam generator

Info

Publication number: CN213395247U
Application number: CN202022140204.9U
Authority: CN
Inventors: 宁家川; 贺元; 王伟
Original assignee: Hainan Haichuang Intelligent Technology Co ltd
Current assignee: Hainan Haichuang Intelligent Technology Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-06-08
Anticipated expiration: 2030-09-26

Abstract

An automatic solar small-sized steam generator comprises a glass outer tube, a vacuum layer, a selective absorption coating and a glass inner tube from outside to inside, which form a heat collecting device of the generator; the pipe plug is positioned at the lower end of the glass inner pipe and forms a water container of the generator together with the glass inner pipe; the interior is in a vacuum state at night, cold water enters from a cold water inlet, flows through a cold water one-way valve, enters into a cold water pipe, and enters into the generator from the cold water pipe to finish the water inlet process; when the sun exists in the daytime, the cold water in the steam generator is heated, the temperature is continuously increased to become steam, the pressure is also continuously increased, when the pressure is higher than the external pressure, the steam check valve is opened, the steam flows out through the steam guide pipe, and the automatic generation process of the steam is completed. The utility model discloses do not need any auxiliary power, can automatic cycle work, simple structure, the operation is reliable, does not have non-condensable gas moreover, therefore light and heat conversion efficiency is high, and material cost is low, the running cost is low.

Description

Automatic solar small-sized steam generator

Technical Field

The invention relates to the field of solar steam generators, in particular to an automatic solar small-sized steam generator.

Background

Solar energy is both a primary energy source and a renewable energy source. It has rich resource, can be used freely, does not need transportation, and has no pollution to the environment. Creates a new life form for human beings, and enables the society and the human beings to enter an era of saving energy and reducing pollution. At present, the utilization of solar energy is more popular, and particularly, the solar energy is used for preparing hot water, the technology is mature, the market share is continuously expanded, and China becomes the largest solar water heater producing country and the solar water heater market in the world.

However, because solar hot water has a low grade, application scenes are limited, steam has a much higher grade than hot water, and application scenes are wider.

Disclosure of Invention

The utility model aims to provide a: in order to solve the technical problems, an automatic solar small-sized steam generator is provided.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

an automatic solar small-sized steam generator comprises a glass outer tube (1), a selective absorption coating (2), a tube plug (3), a steam one-way valve (4), a cold water one-way valve (5), a cold water tube (6), a steam guide tube (7), a glass inner tube (8) and a vacuum layer (9), wherein the glass outer tube (1), the vacuum layer (9), the selective absorption coating (2) and the glass inner tube (8) form a heat collecting device of the generator from outside to inside; the pipe plug (3) is positioned at the lower end of the glass inner pipe (8) and forms a water container of the generator together with the glass inner pipe (8); the steam generator is characterized in that a cold water inlet is connected with an inlet of a cold water one-way valve (5), an outlet of the cold water one-way valve (5) is connected with an inlet of a cold water pipe (6), an outlet of the cold water pipe (6) is communicated with the inside of a glass inner pipe (8), the top of the glass inner pipe (8) is communicated with an inlet of a steam guide pipe (7), an outlet of the steam guide pipe (7) is connected with an inlet of a steam one-way valve (4), and an outlet of the steam one-way valve (4) is connected with a steam outlet to form a steam generation circuit of the generator.

Preferably, the top ends of the outer glass tube (1) and the inner glass tube (8) are of a hemispherical structure, the appearance of the outer glass tube is of a cylindrical structure, and a vacuum layer (9) is arranged between the outer glass tube (1) and the inner glass tube (8) to form a heat collection structure of the generator.

Preferably, the selective absorbing coating (2) is uniformly covered on the outer side of the glass inner tube (8).

Preferably, a spring support is arranged between the glass outer tube (1) and the bottom of the glass inner tube (8), and a getter is arranged on the spring support.

Preferably, the glass outer tube (1) and the glass inner tube (8) are both borosilicate glass tubes.

Preferably, the device is of a sealing structure, the interior of the device is vacuum at normal temperature, and the steam guide pipe (7) is provided with a process port and connected with a vacuum pump.

Preferably, the steam guide pipe (7) is located in the center of the pipe plug (3), a supporting structure is arranged in the steam guide pipe, and the distance between a steam inlet of the steam guide pipe (7) and the top of the glass inner pipe (8) is 2-3 cm.

Compared with the prior art, the utility model discloses have as follows and show the effect:

(1) according to the above technical scheme, the utility model discloses a generator is inside during normal atmospheric temperature is vacuum apparatus, non-condensable gas such as air does not have, because inside is the vacuum during night, cold water enters into inside by water check valve, inside cold water is heated when having the sun daytime, the temperature constantly rises and becomes steam, pressure constantly increases also, when pressure is higher than ambient pressure, the steam check valve is opened, steam passes through the steam pipe and flows, accomplish the automatic emergence process of steam, do not need any auxiliary power, can automatic cycle work.

(2) According to the above technical scheme, the utility model discloses simple structure, the operation is reliable, does not have the non-condensable gas moreover, therefore light and heat conversion efficiency is high, and material cost is low, the running cost is low.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1. the device comprises an outer glass tube, 2 parts of a selective absorption coating, 3 parts of a tube plug, 4 parts of a steam one-way valve, 5 parts of a cold water one-way valve, 6 parts of a cold water tube, 7 parts of a steam guide tube, 8 parts of an inner glass tube, 9 parts of a vacuum layer.

Detailed Description

The present invention is further illustrated by the following examples.

An automatic solar small-sized steam generator is shown in fig. 1 and comprises an outer glass tube 1, a selective absorption coating 2, a tube plug 3, a steam one-way valve 4, a cold water one-way valve 5, a cold water tube 6, a steam guide tube 7, an inner glass tube 8 and a vacuum layer 9, and the working principle is as follows: the outer glass tube 1, the vacuum layer 9, the selective absorption coating 2 and the inner glass tube 8 form a heat collecting device of the generator from outside to inside; the pipe plug 3 is positioned at the lower end of the glass inner pipe 8 and forms a water container of the generator with the glass inner pipe 8; the interior is in a vacuum state at night, cold water enters from a cold water inlet, flows through the cold water one-way valve 5, enters the cold water pipe 6, enters the generator from the cold water pipe 6, and finishes the water inlet process; in the daytime, when the sun is high, cold water is heated by the selective absorption coating 2, the temperature is continuously increased to become steam, the pressure is increased along with the temperature, when the temperature is higher than the outside, the steam one-way valve 4 is opened, and the steam flows out of the steam one-way valve 4 through the steam guide pipe 7 to finish the steam generation process.

The top ends of the outer glass tube 1 and the inner glass tube 8 are of hemispherical structures, the appearance of the outer glass tube 1 is of a cylindrical structure, and a vacuum layer 9 is arranged between the outer glass tube 1 and the inner glass tube 8 to form a heat collection structure of the generator.

The selective absorption coating 2 is uniformly covered on the outer side of the glass inner tube 8.

A spring support is arranged between the glass outer tube (1) and the bottom of the glass inner tube 8, and a getter is arranged on the spring support.

The glass outer tube 1 and the glass inner tube 8 are all high borosilicate glass tubes.

The device is of a sealing structure, the interior of the device is vacuum at normal temperature, and the steam guide pipe 7 is provided with a process port and connected with a vacuum pump.

The steam guide pipe 7 is located at the center of the pipe plug 3, a supporting structure is arranged in the steam guide pipe, and the distance between a steam inlet of the steam guide pipe 7 and the top of the glass inner pipe 8 is 2-3 cm.

Claims

1. The utility model provides an automatic small-size steam generator of formula solar energy, includes glass outer tube (1), selective absorption coating (2), plug (3), steam check valve (4), cold water check valve (5), cold water pipe (6), steam pipe (7), glass inner tube (8), vacuum layer (9), its characterized in that: the glass outer tube (1), the vacuum layer (9), the selective absorption coating (2) and the glass inner tube (8) are arranged from outside to inside to form a heat collecting device of the generator; the pipe plug (3) is positioned at the lower end of the glass inner pipe (8) and forms a water container of the generator together with the glass inner pipe (8); the steam generator is characterized in that a cold water inlet is connected with an inlet of a cold water one-way valve (5), an outlet of the cold water one-way valve (5) is connected with an inlet of a cold water pipe (6), an outlet of the cold water pipe (6) is communicated with the inside of a glass inner pipe (8), the top of the glass inner pipe (8) is communicated with an inlet of a steam guide pipe (7), an outlet of the steam guide pipe (7) is connected with an inlet of a steam one-way valve (4), and an outlet of the steam one-way valve (4) is connected with a steam outlet to form a steam generation circuit of the generator.

2. An automatic solar small steam generator according to claim 1, characterized in that: the top ends of the outer glass tube (1) and the inner glass tube (8) are of hemispherical structures, the appearance of the outer glass tube is of a cylindrical structure, and a vacuum layer (9) is arranged between the outer glass tube (1) and the inner glass tube (8) to form a heat collection structure of the generator.

3. An automatic solar small steam generator according to claim 1, characterized in that: the selective absorbing coating (2) is uniformly covered on the outer side of the glass inner tube (8).

4. An automatic solar small steam generator according to claim 1, characterized in that: a spring support is arranged between the bottom of the glass outer tube (1) and the bottom of the glass inner tube (8), and a getter is arranged on the spring support.

5. An automatic solar small steam generator according to claim 1, characterized in that: the glass outer tube (1) and the glass inner tube (8) are all high borosilicate glass tubes.

6. An automatic solar small steam generator according to claim 1, characterized in that: the device is of a sealing structure, the interior of the device is vacuum at normal temperature, and the steam guide pipe (7) is provided with a process port and connected with a vacuum pump.

7. An automatic solar small steam generator according to claim 1, characterized in that: the steam guide pipe (7) is located at the center of the pipe plug (3), a supporting structure is arranged in the steam guide pipe, and the distance between a steam inlet of the steam guide pipe (7) and the top of the glass inner pipe (8) is 2-3 cm.