CN219282768U - Pipeline outside heat preservation anticorrosion structure - Google Patents

Abstract

The utility model discloses an external heat-insulating and corrosion-preventing structure of a pipeline, which comprises an anti-corrosive layer, wherein a plurality of color steel belts are arranged on the outer side of the anti-corrosive layer, the inner side walls of the color steel belts are fixedly connected with the anti-corrosive layer, the color steel belts are in a circular seam lap joint mode, and lap joints are connected through a plurality of self-plugging aluminum rivets; the outer protective belt adopts a color steel belt, so that the heat insulation material can be effectively protected from mechanical damage or damp, and the influence of corrosive environments such as acid rain or salt fog.

Description

Pipeline outside heat preservation anticorrosion structure

Technical Field

The utility model relates to the field of related products of pipelines, in particular to an external heat-insulating and corrosion-preventing structure of a pipeline.

Background

The pipeline is a device which is formed by connecting a pipe, a pipe connecting piece, a valve and the like and is used for conveying gas, liquid or fluid with solid particles, the pipeline has wide application range and is mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, and in order to prevent the temperature of a medium in the pipeline from being reduced below the operating temperature, rigid polyurethane foam plastic is generally adopted as a heat insulation material and is coated outside the pipeline to be used as a heat insulation layer; meanwhile, in order to prevent the heat preservation layer from being mechanically damaged or damped and reduce heat preservation performance, an aluminum alloy plate or a galvanized iron sheet is generally adopted as an external protection belt, a hard polyurethane foam plastic is adopted as a heat preservation material, water is easy to absorb, the heat preservation performance is reduced after the water absorption, and under the conditions that the external protection layer is damaged and salt mist or acid rain exists, the heat preservation material is generally required to be replaced after 3 months, so that the operation and maintenance cost is high; the outer protective layer adopts an aluminum alloy plate or a galvanized iron sheet, cannot resist the corrosiveness of salt fog or acid rain, and generally needs to be replaced after 1 month under the condition of salt fog or acid rain, so that the operation and maintenance cost is high.

Disclosure of Invention

The utility model aims to provide a pipeline external heat-insulating and corrosion-preventing structure so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an outside heat preservation anticorrosion structure of pipeline, includes the anticorrosive coating, the outside of anticorrosive coating is equipped with a plurality of various steel strips, and is a plurality of equal fixedly connected with heat preservation on the inside wall of various steel strip, a plurality of be the girth overlap joint mode between the various steel strip, and overlap joint department passes through a plurality of self-plugging aluminum rivet connection.

Preferably, the anticorrosive layer is formed by embedding quartz sand particles in a fluorosilicone resin coating.

Preferably, the heat-insulating layer is a centrifugal glass wool heat-insulating layer.

Preferably, a plurality of the color steel strips are connected in a snap-in mode.

Preferably, a plurality of the color steel belts are respectively bound with galvanized iron wires.

Preferably, the thickness of a plurality of colored steel strips is 0.6mm.

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

according to the heat-insulating and corrosion-resistant structure for the outside of the pipeline, the integral rigidity and the compressive strength are improved by embedding quartz sand particles in the fluorine-containing silicone resin coating, the corrosion resistance is good, the color steel strips are used for replacing aluminum alloy plates and galvanized iron sheets, the corrosion resistance to salt mist or acid rain is high, the heat-insulating layer formed by centrifugal glass wool is arranged on the inner side, the corrosion resistance is strong, the heat conductivity is low, the moisture absorption rate is low, the hydrophobicity is good, the joint of the circular seams of the color steel strips is not easy to loosen due to the fixation of a plurality of self-plugging aluminum rivets, and the bundled galvanized iron wires can also improve the stability after installation; the outer protective belt adopts a color steel belt, so that the heat insulation material can be effectively protected from mechanical damage or damp, and the influence of corrosive environments such as acid rain or salt fog.

Drawings

FIG. 1 is a schematic structural view of an external heat-insulating and corrosion-preventing structure for pipelines;

fig. 2 is a schematic diagram of a heat-insulating layer of an external heat-insulating and corrosion-preventing structure for a pipeline according to the present utility model.

In the figure: 1. an anti-corrosion layer; 2. color steel belt; 3. a heat preservation layer; 4. a self-plugging aluminum rivet; 5. galvanized iron wire.

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.

Referring to fig. 1-2, an embodiment of the present utility model is provided: the utility model provides a pipeline outside heat preservation anticorrosion structure, includes anticorrosive coating 1, and anticorrosive coating 1's outside is equipped with a plurality of color steel strips 2, all fixedly connected with heat preservation 3 on the inside wall of a plurality of color steel strips 2, is the overlap joint mode of girth between a plurality of color steel strips 2, and overlap joint department is connected through a plurality of self-plugging aluminum rivets 4, and anticorrosive coating 1 is embedded quartz sand granule in the fluorosilicone coating; the heat preservation layer 3 is a centrifugal glass wool heat preservation layer; the longitudinal seams of the color steel strips 2 are connected in a snap-in mode; a plurality of colored steel strips 2 are respectively bound with galvanized iron wires 5; the thickness of the color steel strips 2 is 0.6mm.

Working principle: firstly, the anti-corrosion layer 1 adopts the fluorosilicone resin coating to embed quartz sand particles, so that the overall rigidity and the compressive strength are improved, the corrosion resistance is good, the color steel belt 2 is adopted to replace aluminum alloy plates and galvanized iron sheets, the corrosion resistance to salt fog or acid rain is higher, the heat preservation layer 3 formed by centrifugal glass wool is arranged on the inner side, the corrosion resistance is strong, the heat conductivity is low, the moisture absorption rate is low, the hydrophobicity is good, the circular seam overlapping positions of the color steel belts 2 are fixed by a plurality of self-plugging aluminum rivets 4 and are not easy to loosen, and the bundled galvanized iron wires 5 can also improve the stability after installation.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides an outside heat preservation anticorrosion structure of pipeline, includes anticorrosive coating (1), its characterized in that: the outside of anticorrosive coating (1) is equipped with a plurality of various steel bands (2), and is a plurality of all fixedly connected with heat preservation (3) on the inside wall of various steel band (2), a plurality of be the girth overlap joint mode between various steel band (2), and overlap joint department is connected through a plurality of self-plugging aluminum rivets (4).

2. The external heat preservation and corrosion prevention structure for a pipeline according to claim 1, wherein: the anticorrosive layer (1) is formed by embedding quartz sand particles in a fluorosilicone resin coating.

3. The external heat preservation and corrosion prevention structure for a pipeline according to claim 1, wherein: the heat preservation layer (3) is a centrifugal glass wool heat preservation layer.

4. The external heat preservation and corrosion prevention structure for a pipeline according to claim 1, wherein: the longitudinal seams of the color steel strips (2) are connected in a snap-in mode.

5. The external heat preservation and corrosion prevention structure for a pipeline according to claim 1, wherein: a plurality of colored steel strips (2) are respectively bound with galvanized iron wires (5).

6. The external heat preservation and corrosion prevention structure for a pipeline according to claim 1, wherein: the thickness of the color steel strips (2) is 0.6mm.

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