CN219431786U

CN219431786U - Heat preservation pit shaft

Info

Publication number: CN219431786U
Application number: CN202320272297.1U
Authority: CN
Inventors: 吕致平; 吕斌
Original assignee: Jinchang Hengtai Manhole Cover Co ltd
Current assignee: Jinchang Hengtai Manhole Cover Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-28
Anticipated expiration: 2033-02-21

Abstract

The utility model provides a heat-insulating shaft which comprises a shaft body, wherein the shaft body consists of a reinforcing cylinder, a heat-insulating cylinder, a shaft inner pipe, an antifreezing cylinder and an anti-corrosion inner cylinder, the anti-corrosion inner cylinder is arranged on the inner wall of the shaft inner pipe, the heat-insulating cylinder is arranged on the outer wall of the shaft inner pipe, the reinforcing cylinder is arranged on the outer wall of the heat-insulating cylinder, and the antifreezing cylinder is arranged on the outer wall of the reinforcing cylinder.

Description

Heat preservation pit shaft

Technical Field

The utility model belongs to the technical field of wellbores, and particularly relates to a heat-preservation wellbore.

Background

The shaft is a vertical or inclined type of engineering which is excavated from the ground to the ore body in underground mining or underground engineering construction, the vertical engineering is called a vertical shaft, the inclined engineering is called an inclined shaft, in the geothermal development process at present, when heat is transported through the shaft, a large amount of heat is lost, hot water is not beneficial to transportation, meanwhile, hot water can corrode the inner pipeline of the shaft to influence the service life of the pipeline, wherein the 'geothermal well shaft sleeve' disclosed by application number CN201520595713.7 is also an increasingly mature technology, and the corrosion of geothermal water to the outer wall of the sleeve can be effectively reduced through a heat insulation coating layer pipe, but the equipment still has the following defects: in the well bore laying process, the pipelines are not easy to align, the pipeline butt joint is not facilitated, and certain limitation exists.

Disclosure of Invention

The utility model aims to provide a heat-preserving shaft, which aims to solve the problems that in the prior art, heat is lost in a large amount when the heat is transported through the shaft, hot water transportation is not facilitated, meanwhile, hot water can corrode pipelines in the shaft, the service life of the pipelines is influenced, and the pipelines are not easy to align and are not beneficial to butt joint of the pipelines in the process of paving the shaft.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat preservation pit shaft, includes the pit shaft body, the pit shaft body comprises reinforcement section of thick bamboo, heat preservation section of thick bamboo, pit shaft inner tube, anti-freezing section of thick bamboo, anticorrosive inner tube is located the pit shaft inner tube inner wall, heat preservation section of thick bamboo is located the pit shaft inner tube outer wall, heat preservation section of thick bamboo outer wall is located to the reinforcement section of thick bamboo, reinforcement section of thick bamboo outer wall is located to the anti-freezing section of thick bamboo.

As a preferable heat preservation shaft, the reinforcing cylinder consists of a reinforcing net frame and a wear-resistant cylinder, and the wear-resistant cylinder is covered on the inner wall and the outer wall of the reinforcing net frame.

As the preferable heat preservation shaft, the grid of the reinforcing grid frame is internally provided with the X-shaped balance beams, and four corners of the X-shaped balance beams are fixedly arranged at four corners of the inner wall of the grid of the reinforcing grid frame.

As a preferable heat preservation shaft, a buffer material is filled between the reinforcing grid and the wear-resistant cylinder.

As the preferable heat preservation shaft, the two ends of the reinforcing cylinder are provided with the mounting cylinders, and one end of each mounting cylinder is provided with an alignment groove in a seam filling mode.

As a preferable mode of the heat-insulating shaft, the outer wall of the installation shaft is covered with a heat-resistant protective sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

the alignment grooves are arranged to facilitate the mutual alignment of the shaft bodies, the connecting rubber sheet is wrapped after the shaft bodies are connected, when the rubber sheet is melted and connected with the shaft bodies, the heat-resistant protective sleeve insulates the mounting cylinder from high temperature to protect the mounting cylinder, damage to the joint of the shaft bodies is avoided, the heat-insulating cylinder is arranged to insulate the shaft bodies, the reinforcing grid is arranged to protect the heat-insulating cylinder, the wear-resistant cylinder prevents the reinforcing grid from extruding the heat-insulating cylinder, meanwhile, the surface wear resistance of the heat-insulating cylinder is improved, and damage to the heat-insulating cylinder is prevented from affecting the heat-insulating effect;

the grid in the reinforcement rack is supported through the X-shaped balance beam, the strength of the reinforcement rack is improved, the buffer material improves the crashworthiness of the reinforcement cylinder, the overall strength of the shaft body is improved, and the shaft body is prevented from being impacted and damaged in the transportation process.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a structural wellbore body of the present utility model;

FIG. 3 is a schematic view of a reinforcement cylinder according to the present utility model;

fig. 4 is a schematic view of the structure of the mounting cylinder of the present utility model.

In the figure: 1. a wellbore body; 11. a reinforcement cylinder; 111. reinforcing the net rack; 112. a wear-resistant cylinder; 113. an X-shaped balance beam; 12. a heat preservation cylinder; 13. a wellbore inner tube; 14. an antifreezing cylinder; 15. an anti-corrosion inner cylinder; 16. a mounting cylinder; 17. alignment grooves; 18. a heat resistant protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the anti-freezing device comprises a shaft body 1, wherein the shaft body 1 consists of a reinforcing cylinder 11, a heat-insulating cylinder 12, a shaft inner pipe 13, an anti-freezing cylinder 14 and an anti-corrosion inner cylinder 15, the anti-corrosion inner cylinder 15 is arranged on the inner wall of the shaft inner pipe 13, the heat-insulating cylinder 12 is arranged on the outer wall of the shaft inner pipe 13, the reinforcing cylinder 11 is arranged on the outer wall of the heat-insulating cylinder 12, and the anti-freezing cylinder 14 is arranged on the outer wall of the reinforcing cylinder 11.

Preferably, the reinforcing cylinder 11 is composed of a reinforcing net frame 111 and a wear-resistant cylinder 112, and the wear-resistant cylinder 112 is arranged on the inner wall and the outer wall of the reinforcing net frame 111.

When the heat preservation cylinder 12 is particularly used, the reinforced net rack 111 protects the heat preservation cylinder 12, the wear-resistant cylinder 112 prevents the reinforced net rack 111 from extruding the heat preservation cylinder 12, and meanwhile, the surface wear resistance of the heat preservation cylinder 12 is improved, and the heat preservation cylinder 12 is prevented from being damaged to influence the heat preservation effect.

Preferably, the grid of the reinforcement grid 111 is internally provided with X-shaped balance beams 113, and four corners of the X-shaped balance beams 113 are fixedly arranged at four corners of the inner wall of the grid of the reinforcement grid 111.

In specific use, the X-shaped balance beam 113 supports the grid in the reinforced grid 111, thereby improving the strength of the reinforced grid 111

Preferably, a buffer material is filled between the reinforcing grid 111 and the wear-resistant cylinder 112.

When the anti-collision device is specifically used, the buffer material improves the anti-collision performance of the reinforced cylinder 11, improves the overall strength of the shaft body 1, and avoids the shaft body 1 from being impacted and damaged in the transportation process.

Preferably, the two ends of the reinforcement cylinder 11 are provided with mounting cylinders 16, and one end of each mounting cylinder 16 is provided with an alignment groove 17 in a seam.

When the shaft body 1 is in butt joint, the corresponding alignment grooves 17 are spliced with each other, so that the adjacent shaft bodies 1 can be aligned.

Preferably, the outer wall of the mounting cylinder 16 is covered with a heat resistant protective sleeve 18.

When the heat-resistant protective sleeve 18 is specifically used, the connecting rubber sheet is wrapped after the connecting shaft body 1, and the heat-resistant protective sleeve 18 is used for protecting the mounting cylinder 16 at high temperature when the connecting shaft body 1 is connected with the melting rubber sheet, so that the connecting position of the shaft body 1 is prevented from being damaged.

Working principle: when the shaft body 1 is in butt joint, the corresponding alignment grooves 17 are spliced with each other, the adjacent shaft bodies 1 are aligned conveniently, the connecting rubber sheet is wrapped after the shaft body 1 is connected, the heat-resistant protective sleeve 18 insulates high temperature to protect the mounting cylinder 16 when the rubber sheet is melted and the shaft body 1 is connected, the joint of the shaft body 1 is prevented from being damaged, the reinforcing grid frame 111 protects the heat-insulating cylinder 12, the wear-resistant cylinder 112 prevents the reinforcing grid frame 111 from extruding the heat-insulating cylinder 12, the surface wear resistance of the heat-insulating cylinder 12 is improved, the heat-insulating effect is prevented from being influenced by the damage of the heat-insulating cylinder 12, the X-shaped balance beam 113 supports the grids in the reinforcing grid frame 111, the strength of the reinforcing grid 111 is improved, the buffer material improves the anti-collision performance of the reinforcing cylinder 11, the integral strength of the shaft body 1 is improved, and the shaft body 1 is prevented from being impacted and damaged in the transportation process.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A thermal insulation wellbore comprising a wellbore body (1), characterized in that: the anti-freezing well is characterized in that the well shaft body (1) consists of a reinforcing cylinder (11), a heat-insulating cylinder (12), a well shaft inner pipe (13), an anti-freezing cylinder (14) and an anti-corrosion inner cylinder (15), wherein the anti-corrosion inner cylinder (15) is arranged on the inner wall of the well shaft inner pipe (13), the heat-insulating cylinder (12) is arranged on the outer wall of the well shaft inner pipe (13), the reinforcing cylinder (11) is arranged on the outer wall of the heat-insulating cylinder (12), and the anti-freezing cylinder (14) is arranged on the outer wall of the reinforcing cylinder (11).

2. An insulated wellbore according to claim 1, wherein: the reinforcing cylinder (11) consists of a reinforcing net rack (111) and a wear-resistant cylinder (112), wherein the wear-resistant cylinder (112) is used for reinforcing the inner wall and the outer wall of the net rack (111).

3. An insulated wellbore according to claim 2, wherein: an X-shaped balance beam (113) is arranged in the grid of the reinforcing grid frame (111), and four corners of the X-shaped balance beam (113) are fixedly arranged at four corners of the inner wall of the grid of the reinforcing grid frame (111).

4. An insulated wellbore according to claim 2, wherein: and a buffer material is filled between the reinforcing net frame (111) and the wear-resistant cylinder (112).

5. An insulated wellbore according to claim 1, wherein: the two ends of the reinforcing cylinder (11) are provided with mounting cylinders (16), and one end of each mounting cylinder (16) is provided with an alignment groove (17) in a seam filling mode.

6. An insulated wellbore according to claim 5, wherein: the outer wall of the mounting cylinder (16) is covered by a heat-resistant protective sleeve (18).