CN218328700U

CN218328700U - Internal circulation self-emptying horizontal-insertion type vacuum tube solar heat collector

Info

Publication number: CN218328700U
Application number: CN202222256159.2U
Authority: CN
Inventors: 曲佃超; 韩荣涛; 华玉石; 崔全选
Original assignee: Shandong Feitian New Energy Co ltd
Current assignee: Shandong Feitian New Energy Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-17
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses an inner loop is from evacuation horizontal formula vacuum tube solar collector relates to solar thermal energy and utilizes technical field, including the heat collector header, be provided with inner bag subassembly in the heat collector header, the inner bag subassembly includes: the inner container body is fixedly arranged in the heat collector, one end of the inner container body is communicated with a water inlet nozzle through an inner container end cover, and a check valve is fixedly arranged on the water inlet nozzle. The utility model provides a pair of inner loop is from evacuation formula vacuum tube solar collector violently, through utilizing the inner circulating pipe, makes the heat collector realize the automatic evacuation of pipeline, and remains the circulation medium in the heat collector header all the time, when having avoided the heat collector of second time reuse to circulate as far as possible, because cold medium meets hot vacuum tube, causes the condition of vacuum tube fried pipe to take place, realizes the pipeline evacuation simultaneously, avoids the pipeline to freeze stifled. Thereby improving the service life of the solar heat collector to a certain extent.

Description

Internal circulation self-emptying horizontal-insertion type vacuum tube solar heat collector

Technical Field

The utility model relates to a solar thermal energy utilizes technical field, concretely relates to inner loop is from horizontal formula vacuum tube solar collector of formula of inserting of evacuation.

Background

With the development of modern science and technology, people gradually realize that the existing energy is inexhaustible, whether petroleum, coal or natural gas are generated in billions of years as a time unit, the energy is non-renewable energy, and as coal heating is strictly forbidden in the north, green, clean and renewable energy must be developed to guarantee the supply of energy, and solar energy is used as clean energy and is a core problem of the solar energy industry.

A solar collector is a device that converts radiant energy of the sun into thermal energy. Since solar energy is relatively dispersed and must be concentrated, collectors are a key part of various solar energy utilization devices.

However, all the glass evacuated tube solar collectors for heating in the current market are connected with an external circulation pipeline, when the solar collectors are not circulated at night, the medium in the pipeline and the medium in the collectors need to be emptied for preventing freezing, so that when the medium is circulated again in the next day, the situation that the vacuum tubes are exploded due to the fact that cold medium meets hot vacuum tubes is easy to happen, and the service life of the solar collectors is reduced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an inner loop is from horizontal formula vacuum tube solar collector of formula of inserting of evacuation to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an inner loop is from evacuation horizontal formula vacuum tube solar collector, includes the heat collector header, be provided with the inner bag subassembly in the heat collector header, the inner bag subassembly includes: the inner container body is fixedly arranged in the heat collector, one end of the inner container body is communicated with a water inlet nozzle through an inner container end cover, and the water inlet nozzle is fixedly provided with a check valve; the water outlet nozzle is communicated with one end of the inner container body, which is far away from the water inlet nozzle, through an inner container end cover, a tee joint is communicated with one end of the water outlet nozzle, which is far away from the inner container end cover, one ends of the other two ports of the tee joint are communicated with an exhaust pipe, and the other end of the tee joint is communicated with an inner circulating pipe.

Furthermore, the heat collector header comprises a header upper shell and a header bottom plate, and the header upper shell and the header bottom plate are connected through a shell end cover.

Furthermore, a loose joint nut is installed on the inner circulating pipe.

Furthermore, a high-temperature-resistant sealant is coated at a gap between the inner container end cover and the inner container body.

Furthermore, an inner container sealing ring is sleeved on the inner container body.

Furthermore, heat insulation layers are filled between the header upper shell and the header bottom plate and between the header upper shell and the liner assembly, and the tee joint and the inner circulation pipe are arranged in the heat insulation layers.

In the technical scheme, the utility model provides an inner loop is from horizontal formula vacuum tube solar collector of formula of inserting of evacuation possesses following beneficial effect: when the solar heat collector is not required to be used for circulating media at night, when the solar heat collector is installed, the exhaust pipe is slightly higher than the water inlet water nozzle, so that the media in the inner circulating pipe can be automatically drained under the action of gravity, the media can flow back into the water tank, and when the media in the inner circulating pipe are discharged, gas can enter the inner circulating pipe through the exhaust pipe, so that the siphoning phenomenon cannot be caused, the media in the heat collector cannot flow back into the water tank under the action of the check valve, the heat collector can be in a state full of the media, the heat collector can be automatically drained by using the inner circulating pipe, the circulating media are always reserved in the heat collector header, the phenomenon that the vacuum pipes burst when the heat collector is reused for circulation on the next day is avoided as much as possible, the cold media encounter hot vacuum pipes, the pipelines are drained, and the pipelines are prevented from being blocked. Thereby improving the service life of the solar heat collector to a certain extent.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is an overall schematic structural diagram provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the heat collector header 16 in fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a heat collector header 16 according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the inner container assembly 3 in the heat collector header 16 according to an embodiment of the present invention.

Description of reference numerals:

1. a housing end cap; 2. a header upper shell; 3. an inner bladder component; 4. a header base plate; 5. a check valve; 6. an inner container sealing ring; 7. a heat-insulating layer; 8. an exhaust pipe; 9. a tee joint; 10. a loose joint nut; 11. a water outlet nozzle; 12. an inner container end cover; 13. an inner circulation pipe; 14. an inner container body; 15. a water inlet nozzle; 16. a heat collector header.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-4, an embodiment of the present invention provides a solar collector, including a collector header 16, a liner assembly 3 is disposed in the collector header 16, the liner assembly 3 includes: the inner container body 14 is fixedly arranged in the heat collector, one end of the inner container body 14 is communicated with a water inlet nozzle 15 through an inner container end cover 12, and a check valve 5 is fixedly arranged on the water inlet nozzle 15; one end of the liner body 14, which is far away from the water inlet nozzle 15, is communicated with a water outlet nozzle 11 through a liner end cover 12, one end of the water outlet nozzle 11, which is far away from the liner end cover 12, is communicated with a tee 9, one end of the other two ports of the tee 9 is communicated with an exhaust pipe 8, and the other end of the tee is communicated with an inner circulating pipe 13; when the solar heat collector is not needed to be used for circulating media at night, when the solar heat collector is installed, the exhaust pipe 8 is slightly higher than the water inlet nozzle 15, so that the media in the inner circulating pipe 13 can be automatically emptied under the action of gravity, the media can flow back to the water tank, and when the media in the inner circulating pipe 13 are discharged, gas can enter the inner circulating pipe 13 through the exhaust pipe 8, so that the siphoning phenomenon cannot be caused, the media in the heat collector cannot flow back to the water tank under the action of the check valve 5, the heat collector can be in a state of being full of the media, the heat collector can be automatically emptied through the inner circulating pipe 13, the circulating media are always reserved in the heat collector header 16, and the situation that the vacuum pipes are exploded due to the fact that cold media encounter hot vacuum pipes when the heat collector is reused for circulation on the next day is avoided as much as possible, meanwhile, emptying of the pipelines is achieved, and the pipelines are prevented from being frozen and blocked. Thereby improving the service life of the solar heat collector to a certain extent.

Specifically, the heat collector header 16 comprises a header upper shell 2 and a header bottom plate 4, and the header upper shell 2 and the header bottom plate 4 are connected through a shell end cover 1; utilize the shell end cover 1 of riveting on header upper shell 2 and header bottom plate 4, played the effect that can conveniently carry out the dismouting to heat collector header 16.

Specifically, a loose joint nut 10 is arranged on the inner circulating pipe 13; the union nut 10 is used for conveniently communicating the inner circulation pipe 13 with the tee joint 9.

Specifically, a high-temperature resistant sealant is coated at the gap between the liner end cover 12 and the liner body 14; after the high-temperature-resistant sealant is coated at the gap between the liner end cover 12 and the liner body 14, the liner end cover 12 and the liner body 14 can be engaged together by using a seaming process, so that the sealing effect of the liner end cover 12 and the liner body 14 is improved.

Specifically, the liner body 14 is sleeved with a liner sealing ring 6; the sealing performance of the whole liner body 14 is further improved by the liner sealing ring 6 sleeved at the punching and flanging position of the liner body 14.

Specifically, a heat insulation layer 7 is filled between the header upper shell 2 and the header bottom plate 4 and between the inner container assembly 3, and a tee joint 9 and an inner circulation pipe 13 are arranged in the heat insulation layer 7; the heat preservation layer 7 is utilized to play a role in preserving heat of the tee joint 9, the water outlet nozzle 11, the internal circulation pipe 13 and the liner body 14.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides an inner loop is from horizontal formula vacuum tube solar collector of inserting of evacuation, includes heat collector header (16), its characterized in that, be provided with inner bag subassembly (3) in heat collector header (16), inner bag subassembly (3) include:

a liner container body (14) fixedly arranged in the heat collector, one end of the liner container body (14) is communicated with a water inlet nozzle (15) through a liner end cover (12), and a check valve (5) is fixedly arranged on the water inlet nozzle (15);

the one end that the water injection well choke (15) of intaking was kept away from to inner bag courage body (14) has a water injection well choke (11) through inner bag end cover (12) intercommunication, the one end intercommunication that inner bag end cover (12) were kept away from to water injection well choke (11) has tee bend (9), tee bend (9) other two port one end intercommunication blast pipe (8), other end intercommunication have inner circulating pipe (13).

2. The internally circulating self-evacuating cross-inserted vacuum tube solar collector according to claim 1, wherein the collector header (16) comprises a header upper shell (2) and a header bottom plate (4), and the header upper shell (2) and the header bottom plate (4) are connected through the outer shell end cap (1).

3. The solar collector according to claim 1, wherein the internal circulation pipe (13) is provided with a loose joint nut (10).

4. The solar heat collector with internal circulation and self-emptying horizontally inserted vacuum tubes as claimed in claim 1, wherein the seam between the inner container end cover (12) and the inner container body (14) is coated with a high temperature resistant sealant.

5. The internally circulating self-emptying horizontally inserted vacuum tube solar heat collector as claimed in claim 1, wherein the liner body (14) is sleeved with a liner sealing ring (6).

6. The solar collector with the internally circulating self-evacuating horizontally-inserted vacuum tube according to claim 2, wherein a heat-insulating layer (7) is filled between the header upper shell (2) and the header bottom plate (4) and the liner assembly (3), and the tee joint (9) and the internally circulating tube (13) are arranged in the heat-insulating layer (7).