Ventilation pipeline heat preservation device for tunnel construction in plateau alpine region

Abstract

The utility model relates to the technical field of air duct heat preservation, in particular to a plateau alpine region tunnel construction ventilation duct heat preservation device which comprises a ventilation duct body, the outer wall of the ventilation duct body is sleeved with a heat preservation sleeve, the heat preservation sleeve comprises an isolation layer, a heat preservation layer and a wear-resisting layer, the heat preservation layer is arranged on the inner side of the isolation layer, and the wear-resisting layer is arranged on the inner side of the heat preservation layer. A heat preservation layer is arranged on the inner side of the heat preservation sleeve, a wear-resisting layer is arranged on the inner side of the heat preservation layer, a groove is formed in the outer wall of the upper end of the isolation layer, a first waterproof adhesive piece is arranged in the groove, a second waterproof adhesive piece is arranged at the lower end of the isolation layer, and adhesive strips are arranged on the left side and the right side of the heat preservation sleeve. The heat preservation sleeve is arranged on the outer side of the ventilation pipeline body, so that the heat preservation effect on the ventilation pipeline body can be achieved on the outer side, water can be prevented from entering the heat preservation sleeve through the isolation layer, the inner side face of the heat preservation sleeve can be prevented from being excessively abraded through the wear-resisting layer, and the heat preservation and durability effects of the heat preservation sleeve are better.

Description

Technical Field

[0001] The utility model relates to the technical field of wind duct heat preservation, in particular to a heat preservation device for a tunnel construction ventilation duct in high-altitude and cold regions of the plateau. Background Technique

[0002] During the construction of tunnels in low-temperature regions or high-altitude and cold regions (also known as plateau and cold regions) with an average altitude of more than 2,600 meters, the construction impact caused by low temperature is relatively significant, directly affecting construction safety, quality and progress. Among them, the cold region refers to an area with high altitude, perennial low temperature and permafrost that never thaws. At present, ventilation ducts are installed during the tunnel construction process. Due to the relatively low temperature in the high-altitude and cold regions of the plateau, the ventilation ducts may crack due to freezing.

[0003] Therefore, a heat preservation device for a tunnel construction ventilation duct in high-altitude and cold regions of the plateau is needed to improve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a heat preservation device for a tunnel construction ventilation duct in high-altitude and cold regions of the plateau to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A heat preservation device for a tunnel construction ventilation duct in high-altitude and cold regions of the plateau, including a ventilation duct pipe body, the outer wall of the ventilation duct pipe body is sleeved with a heat preservation sleeve, the heat preservation sleeve includes an isolation layer, a heat preservation layer, and a wear-resistant layer. The heat preservation layer is arranged inside the isolation layer, and the wear-resistant layer is arranged inside the heat preservation layer. A groove is opened on the outer wall of the upper end of the isolation layer, a first waterproof adhesive sheet is arranged inside the groove, a second waterproof adhesive sheet is arranged at the lower end of the isolation layer, bonding strips are arranged on the left and right sides of the heat preservation sleeve, and a tearing strip is arranged on the outer side of the bonding strip.

[0007] As a preferred scheme of the utility model, the isolation layer is made of waterproof rubber material.

[0008] As a preferred scheme of the utility model, the heat preservation layer is made of heat preservation cotton material.

[0009] As a preferred scheme of the utility model, the wear-resistant layer is made of wear-resistant rubber material.

[0010] As a preferred scheme of the utility model, the isolation layer, the heat preservation layer, and the wear-resistant layer are fixedly bonded to each other through waterproof glue.

[0011] As a preferred scheme of the utility model, the second waterproof adhesive sheet is fixedly bonded to the groove, and the first waterproof adhesive sheet is fixedly bonded to the second waterproof adhesive sheet.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, a heat preservation sleeve is formed by arranging an isolation layer, a heat preservation layer, and a wear-resistant layer, so as to be able to achieve the effect of heat preservation on the outer side of the ventilation duct body. Moreover, the isolation layer can prevent water from entering the interior of the heat preservation sleeve, and the provided wear-resistant layer can prevent excessive wear on the inner side of the heat preservation sleeve, thereby enabling the heat preservation and durability effects of the heat preservation sleeve to be better. In addition, the provided groove, the first waterproof adhesive sheet, and the second waterproof adhesive sheet can facilitate the closed connection of the heat preservation sleeve, thereby facilitating the sleeving of the heat preservation sleeve on the ventilation duct body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the appearance of the heat preservation sleeve of the present utility model;

[0016] Figure 3 is a schematic diagram of the structure of the heat preservation sleeve of the present utility model.

[0017] In the figure: 1. Ventilation duct body; 2. Heat preservation sleeve; 201. Isolation layer; 202. Heat preservation layer; 203. Wear-resistant layer; 3. Groove; 4. First waterproof adhesive sheet; 5. Second waterproof adhesive sheet; 6. Bonding strip; 7. Tearing strip. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which this utility model belongs. The terms used herein in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] For the embodiments, please refer to Figures 1 - 3 , this utility model provides a technical solution:

[0024] A heat preservation device for a ventilation duct in tunnel construction in high-altitude and cold regions includes a ventilation duct body 1. A heat preservation sleeve 2 is sleeved on the outer wall of the ventilation duct body 1. The heat preservation sleeve 2 includes an isolation layer 201, a heat preservation layer 202, and a wear-resistant layer 203. The heat preservation layer 202 is arranged inside the isolation layer 201, and the wear-resistant layer 203 is arranged inside the heat preservation layer 202. A groove 3 is formed in the outer wall of the upper end of the isolation layer 201. A first waterproof adhesive sheet 4 is arranged inside the groove 3. A second waterproof adhesive sheet 5 is arranged at the lower end of the isolation layer 201. Bonding strips 6 are arranged on the left and right sides of the heat preservation sleeve 2, and tearing strips 7 are arranged on the outer sides of the bonding strips 6.

[0025] In this embodiment, the isolation layer 201 is made of a waterproof rubber material, the heat preservation layer 202 is made of a heat preservation cotton material, and the wear-resistant layer 203 is made of a wear-resistant rubber material. The isolation layer 201, the heat preservation layer 202, and the wear-resistant layer 203 are fixedly bonded to each other through a waterproof glue. The second waterproof adhesive sheet 5 is fixedly bonded to the groove 3, and the first waterproof adhesive sheet 4 is fixedly bonded to the second waterproof adhesive sheet 5. By arranging the isolation layer 201, the heat preservation layer 202, and the wear-resistant layer 203 to form the heat preservation sleeve 2, the heat preservation effect on the ventilation duct body 1 can be achieved on the outside. Moreover, the isolation layer 201 can prevent water from entering the inside of the heat preservation sleeve 2. The arranged wear-resistant layer 203 can prevent excessive wear on the inner side of the heat preservation sleeve 2, so that the heat preservation and durability effects of the heat preservation sleeve 2 can be better. And the arranged groove 3, the first waterproof adhesive sheet 4, and the second waterproof adhesive sheet 5 can facilitate the closed connection of the heat preservation sleeve 2, so as to facilitate sleeving the heat preservation sleeve 2 on the ventilation duct body 1.

[0026] The working process of the utility model is as follows: First, tear the tearing strip 7 from the adhesive strip 6, then wind the heat preservation sleeve 2 around the ventilation duct body 1, then stick the second waterproof adhesive sheet 5 into the groove 3, and then stick the first waterproof adhesive sheet 4 on the second waterproof adhesive sheet 5. Repeat the above operations to wind multiple groups of heat preservation sleeves 2 around the ventilation duct body 1, and then stick the multiple groups of heat preservation sleeves 2 together through the adhesive strip 6. The heat preservation sleeve 2 is composed of the isolation layer 201, the heat preservation layer 202, and the wear-resistant layer 203, so as to achieve the effect of heat preservation on the outer side of the ventilation duct body 1. Moreover, the isolation layer 201 can prevent water from entering the interior of the heat preservation sleeve 2, and the provided wear-resistant layer 203 can prevent excessive wear on the inner side of the heat preservation sleeve 2, so that the heat preservation and durability effects of the heat preservation sleeve 2 are better. In addition, the provided groove 3, the first waterproof adhesive sheet 4, and the second waterproof adhesive sheet 5 can facilitate the closed connection of the heat preservation sleeve 2, thus facilitating the sleeving of the heat preservation sleeve 2 on the ventilation duct body 1.

[0027] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A thermal insulation device for a ventilation duct in tunnel construction in high-altitude and cold regions, comprising a ventilation duct body (1), characterized in that: A heat preservation sleeve (2) is sleeved on the outer wall of the ventilation duct body (1). The heat preservation sleeve (2) includes an isolation layer (201), a heat preservation layer (202), and a wear-resistant layer (203). The heat preservation layer (202) is arranged on the inner side of the isolation layer (201), and the wear-resistant layer (203) is arranged on the inner side of the heat preservation layer (202). A groove (3) is formed in the outer wall of the upper end of the isolation layer (201), a first waterproof adhesive sheet (4) is arranged inside the groove (3), a second waterproof adhesive sheet (5) is arranged at the lower end of the isolation layer (201), bonding strips (6) are arranged on the left and right sides of the heat preservation sleeve (2), and tear strips (7) are arranged on the outer sides of the bonding strips (6).

2. The thermal insulation device for tunnel construction ventilation ducts in alpine regions of plateaus according to claim 1, characterized in that: The isolation layer (201) is made of a waterproof rubber material.

3. A heat preservation device for a tunnel construction ventilation duct in a plateau and alpine region according to claim 1, characterized in that: The heat preservation layer (202) is made of a heat preservation cotton material.

4. A tunnel construction ventilation duct heat preservation device in a plateau and alpine region according to claim 1, characterized in that: The wear-resistant layer (203) is made of a wear-resistant rubber material.

5. The insulation device for the tunnel construction ventilation duct in the plateau and alpine regions according to claim 1, characterized in that: The isolation layer (201), the heat preservation layer (202), and the wear-resistant layer (203) are fixedly bonded to each other through a waterproof adhesive.

6. The thermal insulation device for tunnel construction ventilation pipes in alpine regions according to claim 1, characterized in that: The second waterproof adhesive sheet (5) is fixedly bonded to the groove (3), and the first waterproof adhesive sheet (4) is fixedly bonded to the second waterproof adhesive sheet (5).

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