CN207539532U - A kind of insulating tube with Corrosion Protection - Google Patents

Abstract

The utility model discloses a kind of insulating tubes with Corrosion Protection, including working steel tube, the surface of the working steel tube is fixedly connected with drag reduction layer, and side of the drag reduction layer far from working steel tube is fixedly connected with insulating layer, the outer surface of the insulating layer is fixedly connected with aluminium foil reflecting layer, and side of the aluminium foil reflecting layer far from insulating layer is fixedly connected with steel pipe socket, and the outer surface of the steel pipe socket is fixedly connected with external anti-corrosion layer, and the utility model is related to insulating tube technical fields.The insulating tube with Corrosion Protection, insulating tube is solved in much time using, it can be influenced by external factor, lead to cause insulating tube the situation of larger corrosion, it ensure that the normal work of insulating tube, greatly avoiding can cause insulating tube that can not use, it is therefore prevented that there is a situation where reveal for material, financial cost is shortened, reduces economic loss.

Description

A kind of insulation pipe with anti-corrosion performance

technical field

The utility model relates to the technical field of heat preservation pipes, in particular to a heat preservation pipe with anti-corrosion performance.

Background technique

Insulation pipe is the abbreviation of heat insulation pipe. The heat preservation pipe is used for the transportation of liquid, gas and other media. Various media in the range of -50°C-150°C, it is widely used in central heating, cooling and hot oil transportation, as well as heat preservation and cold preservation projects in warm rooms, cold storage, coal mines, petroleum, chemical and other industries.

When the insulation pipe is used for a long time, it will be affected by external factors, which will cause greater corrosion to the insulation pipe, affect the normal operation of the insulation pipe, and even cause the insulation pipe to be unusable, resulting in material leakage and increasing economic costs. , increasing the economic loss.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a heat preservation pipe with anti-corrosion performance, which solves the problem of causing relatively large corrosion to the heat preservation pipe and affecting the normal operation of the heat preservation pipe.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: a heat preservation pipe with anti-corrosion performance, including a working steel pipe, the surface of the working steel pipe is fixedly connected with a drag reducing layer, and the drag reducing layer is far away from the working steel pipe One side is fixedly connected with an insulation layer, the outer surface of the insulation layer is fixedly connected with an aluminum foil reflective layer, and the side of the aluminum foil reflective layer away from the insulation layer is fixedly connected with a steel pipe sleeve, and the outer surface of the steel pipe sleeve is fixedly connected with an external anti-corrosion layer. Floor.

The outer anti-corrosion layer includes epoxy resin, and the bottom of the outer anti-corrosion layer is fixedly connected with the steel pipe sleeve, the top of the epoxy resin is bonded with polyester resin by an adhesive, and the polyester resin is far away from a part of the epoxy resin. The side is bonded with perchlorethylene resin by adhesive, the top of the perchlorethylene resin is bonded with ultraviolet absorbing material by adhesive, and a natural rubber.

Preferably, an inorganic zinc-rich paint is coated between the working steel pipe and the drag reducing layer.

Preferably, the thermal insulation layer includes an organic thermal insulation layer and an inorganic thermal insulation layer, and the bottom of the organic thermal insulation layer is fixedly connected to the drag reducing layer, the top of the inorganic thermal insulation layer is fixedly connected to the aluminum foil reflective layer, and the organic thermal insulation layer and the inorganic thermal insulation layer An air isolation layer is provided between the layers.

Preferably, the surface of the steel pipe sleeve is coated with paint.

Preferably, the organic insulation layer adopts stearic polyurethane organic insulation layer, and the inorganic insulation layer adopts microporous calcium silicate inorganic insulation layer.

Beneficial effect

The utility model provides a heat preservation pipe with anti-corrosion performance. It has the following beneficial effects: the insulating pipe with anti-corrosion performance, through the surface of the working steel pipe, the inorganic zinc-rich paint, drag-reducing layer, thermal insulation layer, aluminum foil reflective layer, steel pipe sleeve and outer anti-corrosion layer are sequentially fixed and connected. , and the outer anticorrosion layer includes epoxy resin, the top of the epoxy resin is bonded with polyester resin by adhesive, and the side of the polyester resin away from the epoxy resin is bonded with perchlorethylene resin by adhesive, so The top of the perchlorethylene resin is bonded with an ultraviolet absorbing material through an adhesive, and a natural rubber is arranged between the epoxy resin, the polyester resin and the perchlorethylene resin, which solves the problem that the insulation pipe will be damaged when it is used for a long time. Affected by external factors, the insulation pipe is greatly corroded, which ensures the normal operation of the insulation pipe, greatly avoids the failure of the insulation pipe to be used, prevents material leakage, and shortens the economic cost. Reduced economic losses.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the utility model outer anticorrosion layer;

Fig. 3 is the structural representation of insulation layer of the present utility model;

Fig. 4 is a structural schematic diagram of the steel pipe sleeve of the present invention.

In the figure: 1 working steel pipe, 2 drag reducing layer, 3 insulation layer, 31 organic insulation layer, 32 inorganic insulation layer, 33 air isolation layer, 4 aluminum foil reflection layer, 5 steel pipe sleeve, 6 outer anticorrosion layer, 61 epoxy resin, 62 polyester resin, 63 perchlorethylene resin, 64 ultraviolet absorbing material, 65 natural rubber, 7 inorganic zinc-rich paint, 8 paint.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a heat preservation pipe with anti-corrosion performance, including a working steel pipe 1, an inorganic zinc-rich paint 7 is coated between the working steel pipe 1 and the drag reducing layer 2, Inorganic zinc-rich paint 7 is based on inorganic polymers (such as silicate, phosphate, dichromate, etc.) coating, the surface of the working steel pipe 1 is fixedly connected with a drag reducing layer 2, and the side of the drag reducing layer 2 away from the working steel pipe 1 is fixedly connected with an insulating layer 3, and the insulating layer 3 includes an organic insulating layer 31 and an inorganic insulating layer 32, and The bottom of the organic thermal insulation layer 31 is fixedly connected to the drag reducing layer 2, and the top of the inorganic thermal insulation layer 32 is fixedly connected to the aluminum foil reflective layer 4. There is an air isolation layer 33, the organic insulation layer 31 adopts a stearic polyurethane organic insulation layer, and the inorganic insulation layer 32 adopts a microporous calcium silicate inorganic insulation layer, and the outer surface of the insulation layer 3 is fixedly connected with an aluminum foil reflection layer 4, and the aluminum foil reflection The side of the layer 4 away from the insulation layer 3 is fixedly connected with a steel pipe sleeve 5 , the surface of the steel pipe sleeve 5 is coated with paint 8 , and the outer surface of the steel pipe sleeve 5 is fixedly connected with an outer anti-corrosion layer 6 .

The outer anti-corrosion layer 6 includes epoxy resin 61, epoxy resin 61, polyester resin 62 and perchlorethylene resin 63 are all synthetic rubbers, which have better anti-corrosion effect, and the bottom of the outer anti-corrosion layer 6 is fixedly connected with the steel pipe sleeve 5 , the top of epoxy resin 61 is bonded with polyester resin 62 by adhesive, and the side of polyester resin 62 away from epoxy resin 61 is bonded with perchlorethylene resin 63 by adhesive, perchlorethylene resin 63 The top of the top is bonded with an ultraviolet absorbing material 64 by an adhesive, and the ultraviolet absorbing material 64 adopts an ultraviolet absorber, and a natural rubber 65 is arranged between the epoxy resin 61, the polyester resin 62 and the perchlorethylene resin 63.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. without further restrictions. The phrase "the inclusion of an element defined by ... does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising said element".

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of insulating tube with Corrosion Protection, including working steel tube（1）, it is characterised in that：The working steel tube（1）'s Surface is fixedly connected with drag reduction layer（2）, and drag reduction layer（2）Far from working steel tube（1）Side be fixedly connected with insulating layer （3）, the insulating layer（3）Outer surface be fixedly connected with aluminium foil reflecting layer（4）, and aluminium foil reflecting layer（4）Far from insulating layer （3）Side be fixedly connected with steel pipe socket（5）, the steel pipe socket（5）Outer surface be fixedly connected with external anti-corrosion layer（6）；

The external anti-corrosion layer（6）Including epoxy resin（61）, and external anti-corrosion layer（6）Bottom and steel pipe socket（5）It is fixedly connected, The epoxy resin（61）Top have polyester resin by adhesive bonding（62）, and polyester resin（62）Far from asphalt mixtures modified by epoxy resin Fat（61）Side have superchlorinated polyvinyl chloride resin by adhesive bonding（63）, the superchlorinated polyvinyl chloride resin（63）Top pass through it is viscous Mixture is bonded with ultraviolet absorption material（64）, and epoxy resin（61）, polyester resin（62）And superchlorinated polyvinyl chloride resin（63） Between be provided with natural rubber（65）.

2. a kind of insulating tube with Corrosion Protection according to claim 1, it is characterised in that：The working steel tube （1）With drag reduction layer（2）Between be coated with inorganic zinc rich paint（7）.

3. a kind of insulating tube with Corrosion Protection according to claim 1, it is characterised in that：The insulating layer（3） Including organic insulating layer（31）And inorganic insulating layer（32）, and organic heat-insulating layer（31）Bottom and drag reduction layer（2）It is fixed to connect It connects, the inorganic insulating layer（32）Top and aluminium foil reflecting layer（4）It is fixedly connected, and organic heat-insulating layer（31）With inorganic guarantor Warm layer（32）Between be provided with air barrier（33）.

4. a kind of insulating tube with Corrosion Protection according to claim 1, it is characterised in that：The steel pipe socket（5） Surface be coated with paint（8）.

5. a kind of insulating tube with Corrosion Protection according to claim 3, it is characterised in that：The organic heat-insulating layer （31）Using rigid polyurethane organic heat-insulating layer, and inorganic insulating layer（32）Using microporous calcium silicate inorganic insulating layer.