CN219282773U

CN219282773U - Insulating and heat-preserving structure of low-temperature pipeline

Info

Publication number: CN219282773U
Application number: CN202223558969.XU
Authority: CN
Inventors: 刘园元; 艾会斌
Original assignee: Nantong Gelin Marine Engineering Co ltd
Current assignee: Nantong Gelin Marine Engineering Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-30
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a low-temperature pipeline insulation heat preservation structure which comprises a valve and a low-temperature medium circulation pipeline, wherein the low-temperature medium circulation pipeline is arranged at the bottom of the valve, a valve body polyurethane heat preservation layer is sprayed at the bottom of the valve, a pipeline polyurethane heat preservation layer is sprayed on the circumferential outer wall of the low-temperature medium circulation pipeline, a valve body polyurethane heat preservation layer outer protection layer is adhered to the outer surface of the valve body polyurethane heat preservation layer, and a pipeline polyurethane heat preservation layer outer protection layer is adhered to the outer surface of the pipeline polyurethane heat preservation layer. According to the utility model, the polyurethane heat-insulating layer of the pipeline can be sprayed on the outer wall surface of the low-temperature medium flow pipeline, so that the low-temperature medium flow pipeline is insulated, and the gap sealing performance between the overhaul port and the polyurethane heat-insulating layer of the valve body is better through the sealant sprayed on the edge of the overhaul port.

Description

Insulating and heat-preserving structure of low-temperature pipeline

Technical Field

The utility model relates to the technical field of glass fiber reinforced plastic external protection type heat preservation of marine low-temperature pipeline insulation systems, in particular to a low-temperature pipeline insulation heat preservation structure.

Background

In the system design, the low-temperature valve can only adopt a non-integral insulating mode due to the subsequent maintenance, but cannot completely play a sealing role, and the valve can freeze after a low-temperature medium passes through, so that the insulating effect of the low-temperature pipeline insulating system is reduced or the insulating effect is invalid, and therefore, a person skilled in the art provides an insulating and insulating structure of the low-temperature pipeline to solve the problems in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a low-temperature pipeline insulation heat preservation structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a low temperature pipeline insulation heat preservation structure, includes valve and low temperature medium circulation pipeline, low temperature medium circulation pipeline installs the bottom at the valve, the bottom spraying of valve has valve body polyurethane heat preservation, the circumference outer wall spraying of low temperature medium circulation pipeline has pipeline polyurethane heat preservation.

As a still further scheme of the utility model, the outer surface of the valve body polyurethane heat-insulating layer is adhered with the outer protective layer of the valve body polyurethane heat-insulating layer.

As a still further scheme of the utility model, the outer surface of the pipeline polyurethane heat-insulating layer is adhered with an outer protecting layer of the pipeline polyurethane heat-insulating layer.

As a still further proposal of the utility model, the outer surface of the valve is sleeved with a heat preservation sleeve, and the heat preservation sleeve is fixed with the outer surface of the low-temperature medium flowing pipeline.

As a still further scheme of the utility model, the material of the heat preservation sleeve is rubber-plastic cotton.

As a still further proposal of the utility model, one side of the valve is provided with an access hole, and the gap between the access hole and the valve body polyurethane heat-insulating layer is sprayed with sealant.

The beneficial effects of the utility model are as follows:

1. through carrying out spraying pipeline polyurethane heat preservation to the outer wall surface of low temperature medium circulation pipeline to keep warm to low temperature medium circulation pipeline, prevent that low temperature medium from can producing frozen phenomenon after passing through, keep warm the valve through the valve body polyurethane heat preservation that sets up, and improve thermal-insulated sealed effect.

2. The outer wall of the valve is subjected to auxiliary heat preservation through the heat preservation sleeve arranged on the valve, and the heat preservation sleeve is detachable, so that later replacement and overhaul of the valve body are facilitated.

3. Through the sealant sprayed at the edge of the access hole, the gap between the access hole and the valve body polyurethane heat insulation layer has better sealing performance, thereby enhancing the heat insulation effect of the valve body.

Drawings

FIG. 1 is a schematic diagram of a cross-sectional structure of a valve of a low-temperature pipeline insulation structure according to the present utility model;

fig. 2 is an enlarged schematic diagram of a portion a of an insulation and heat preservation structure of a low-temperature pipeline according to the present utility model.

In the figure: 1. a low temperature medium flow conduit; 2. a polyurethane heat-insulating layer of the pipeline; 3. the polyurethane heat-insulating layer of the valve body is covered with an outer protective layer; 4. polyurethane heat-insulating layer of valve body; 5. the outer protective layer of polyurethane heat-insulating layer of the pipeline; 6. a thermal insulation sleeve; 7. sealing glue; 8. an access opening; 9. and (3) a valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. It should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly, unless explicitly stated or defined otherwise, and that the particular meaning of such terms in this patent will be understood by those of ordinary skill in the art, as appropriate.

Referring to fig. 1-2, a low temperature pipeline insulation heat preservation structure, including valve 9 and low temperature medium circulation pipeline 1, low temperature medium circulation pipeline 1 installs in the bottom of valve 9, the bottom spraying of valve 9 has valve body polyurethane heat preservation 4, the circumference outer wall spraying of low temperature medium circulation pipeline 1 has pipeline polyurethane heat preservation 2, through carrying out spraying pipeline polyurethane heat preservation 2 to the outer wall surface of low temperature medium circulation pipeline 1, thereby keep warm low temperature medium circulation pipeline 1, prevent that the phenomenon that can produce freezing after the low temperature medium passes through, keep warm valve 9 through the valve body polyurethane heat preservation 4 that sets up, and improve heat retaining sealed effect.

According to the utility model, the outer surface of the valve body polyurethane heat-insulating layer 4 is adhered with the valve body polyurethane heat-insulating layer outer protective layer 3, the outer surface of the pipeline polyurethane heat-insulating layer 2 is adhered with the pipeline polyurethane heat-insulating layer outer protective layer 5, the heat-insulating layer is protected through the valve body polyurethane heat-insulating layer outer protective layer 3 and the pipeline polyurethane heat-insulating layer outer protective layer 5, the damage of polyurethane heat-insulating layer materials is prevented, the outer surface of the valve 9 is sheathed with the heat-insulating sleeve 6, the heat-insulating sleeve 6 is fixed with the outer surface of the low-temperature medium flowing pipeline 1, the heat-insulating sleeve 6 is made of rubber-plastic cotton, the outer wall of the valve 9 is subjected to auxiliary heat insulation through the heat-insulating sleeve 6 arranged on the valve 9, the heat-insulating sleeve 6 is detachable, so that later replacement and overhaul of the valve body are convenient, an overhaul port 8 is arranged on one side of the valve 9, a sealing glue 7 is sprayed at a gap between the overhaul port 8 and the valve body polyurethane heat-insulating layer 4, and the gap between the overhaul port 8 and the valve body polyurethane heat-insulating layer 4 has better sealing performance through the sealing glue 7 sprayed at the edge position of the overhaul port 8.

Working principle: when needs use, through carrying out spraying pipeline polyurethane heat preservation 2 to low temperature medium circulation pipeline 1's outer wall surface to keep warm low temperature medium circulation pipeline 1, can produce the phenomenon of icing after preventing that low temperature medium from passing through, keep warm valve 9 through valve body polyurethane heat preservation 4 that set up, protect the heat preservation through valve body polyurethane heat preservation outer jacket 3 and pipeline polyurethane heat preservation outer jacket 5 moreover, prevent polyurethane heat preservation's damage, make it durable.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a low temperature pipeline insulation heat preservation structure, includes valve (9) and low temperature medium circulation pipeline (1), its characterized in that, low temperature medium circulation pipeline (1) are installed in the bottom of valve (9), the bottom spraying of valve (9) has valve body polyurethane heat preservation (4), the circumference outer wall spraying of low temperature medium circulation pipeline (1) has pipeline polyurethane heat preservation (2).

2. The insulation and heat preservation structure of the low-temperature pipeline according to claim 1, wherein an outer surface of the valve body polyurethane heat preservation layer (4) is adhered with an outer protection layer (3) of the valve body polyurethane heat preservation layer.

3. The insulation and heat preservation structure of the low-temperature pipeline according to claim 1, wherein an outer surface of the pipeline polyurethane heat preservation layer (2) is adhered with an outer protection layer (5) of the pipeline polyurethane heat preservation layer.

4. The insulation and heat preservation structure of the low-temperature pipeline according to claim 1, wherein the outer surface of the valve (9) is sleeved with a heat preservation sleeve (6), and the heat preservation sleeve (6) is fixed with the outer surface of the low-temperature medium flowing pipeline (1).

5. The insulation and heat preservation structure of the low-temperature pipeline according to claim 4, wherein the heat preservation sleeve (6) is made of rubber-plastic cotton.

6. The insulation and heat preservation structure of the low-temperature pipeline according to claim 1, wherein an access hole (8) is formed in one side of the valve (9), and sealing glue (7) is sprayed at a gap between the access hole (8) and the valve body polyurethane heat preservation layer (4).