CN220060868U

CN220060868U - Antistatic flame-retardant PP pipe

Info

Publication number: CN220060868U
Application number: CN202321722775.0U
Authority: CN
Inventors: 施吉梅; 李�杰; 施大福
Original assignee: Jiangsu Shenda Pipe And Valve Fittings Co ltd
Current assignee: Jiangsu Shenda Pipe And Valve Fittings Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-11-21
Anticipated expiration: 2033-07-04

Abstract

The utility model relates to an antistatic flame-retardant PP pipe, which comprises a PP pipe main body, wherein an inner layer is arranged on the inner side of the PP pipe main body, an antistatic layer is fixedly connected to the outer side of the inner layer, an outer layer is fixedly connected to the outer side of the antistatic layer, a high-temperature resistant layer is fixedly connected to the outer side of the outer layer, a connecting plate is fixedly connected to the outer side of the high-temperature resistant layer, and a protective layer is fixedly connected to the other end of the connecting plate. This antistatic flame retardant PP pipe, through setting up antistatic layer, under the protection of antistatic polyvinyl chloride board, can protect the static in the outside, avoid static to enter into the inside of inlayer, through setting up the inoxidizing coating, accessible buffer layer protects its PP pipe main part with flame retardant coating, accessible polycarbonate protects, the outside of having avoided the PP pipe main part receives the influence to influence the inboard of PP pipe main part, and the setting of buffer layer, make it when receiving outside striking at the PP pipe main part, accessible rubber piece weakens the impact force that the striking brought.

Description

Antistatic flame-retardant PP pipe

Technical Field

The utility model relates to the technical field of PP pipes, in particular to an antistatic flame-retardant PP pipe.

Background

The antistatic flame-retardant PP pipe is mainly applied to enterprises and industries such as chemical plants, pharmaceutical factories, mines, machinery, environmental protection, bioengineering, electric power, textile industry and the like for conveying flammable and explosive liquid, tail gas recovery, ventilation and exhaust, water supply and drainage and the like, and compared with the common plastic pipe, the antistatic flame-retardant PP pipe has the advantages that the conductive plastic pipe can avoid combustion and explosion accidents caused by static electricity generated by friction between a medium and a pipe wall in the conveying process, and is a preferred and necessary material for ensuring the safe production of the enterprises;

the PP pipe is made of high-density polyethylene resin/polypropylene resin as a base material, customized functional auxiliary materials are added, banburying and high-temperature extrusion molding are carried out, and the large-caliber conductive plastic pipe is made of a conductive plastic plate in a rolling mode, and has the characteristics of the polyethylene/polypropylene pipe and the characteristics of conductivity and flame retardance.

Most of the existing PP pipes cannot protect the PP pipes when in use, the PP pipes are likely to be damaged when in use, and the service lives of the PP pipes are further shortened.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an antistatic flame-retardant PP pipe, which has the advantages of antistatic flame retardance and the like, and solves the problem that most of the existing PP pipes cannot protect the PP pipe when in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an antistatic flame retardant PP pipe, includes the PP pipe main part, the inboard of PP pipe main part is provided with the inlayer, the outside fixedly connected with antistatic backing of inlayer, the outside fixedly connected with skin on antistatic backing, the outside fixedly connected with high temperature resistant layer in the outside, the outside fixedly connected with connecting plate on high temperature resistant layer, the other end fixedly connected with inoxidizing coating of connecting plate.

Further, the antistatic layer is an antistatic polyvinyl chloride plate, and the antistatic layer is positioned at the middle position of the inner layer and the outer layer.

Further, the high temperature resistant layer is polyether-ether-ketone resin.

Further, the number of the connecting plates is eight, and the connecting plates are distributed in a circular ring shape.

Further, the protective layer is formed by combining a buffer layer and a flame retardant layer, and the buffer layer is formed by combining semicircular rubber blocks.

Further, the flame retardant layer is polycarbonate.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

this antistatic flame retardant PP pipe, through having set up antistatic layer, under the protection of antistatic polyvinyl chloride board, can protect the static in the outside, avoided the static to enter into the inside of inlayer, through having set up the inoxidizing coating, accessible buffer layer protects its PP pipe main part with flame retardant layer, the accessible polycarbonate protects, the outside of having avoided the PP pipe main part receives the influence, thereby influence the inboard of PP pipe main part, and the setting of buffer layer, make it when receiving outside striking at the PP pipe main part, the impact force that the impact brought is weakened to the accessible rubber piece.

Drawings

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

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

FIG. 3 is a schematic cross-sectional view of a structural armor layer of the present utility model.

In the figure: 1. a PP tube body; 2. an inner layer; 3. an antistatic layer; 4. an outer layer; 5. a high temperature resistant layer; 6. a connecting plate; 7. a protective layer; 71. a buffer layer; 72. a flame retardant layer.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an antistatic flame-retardant PP pipe in this embodiment includes a PP pipe main body 1, an inner layer 2 is disposed on the inner side of the PP pipe main body 1, an antistatic layer 3 is fixedly connected to the outer side of the inner layer 2, the antistatic layer 3 is an antistatic polyvinyl chloride plate, and a substrate is PVC polyvinyl chloride, so that the antistatic flame-retardant PP pipe has an excellent antistatic function on the basis of maintaining performances such as corrosion resistance and flame retardance of PVC through a film plating technology, and has high surface hardness and excellent scratch resistance; the surface resistance value is 6-10 times of ohm, the antistatic composite material has excellent antistatic function, the outer side of the antistatic layer 3 is fixedly connected with the outer layer 4, the antistatic layer 3 is positioned at the middle position of the inner layer 2 and the outer layer 4, the outer side of the outer layer 4 is fixedly connected with the high temperature resistant layer 5, the high temperature resistant layer 5 is polyether-ether-ketone resin, and the polyether-ether-ketone resin has excellent heat resistance compared with other high temperature resistant plastics, high strength, high modulus, high fracture toughness and excellent dimensional stability; the polyether-ether-ketone resin has the advantages that the rigidity is high, the dimensional stability is good, the linear expansion coefficient is small, the polyether-ether-ketone resin is very close to a metal aluminum material, the connecting plates 6 are fixedly connected to the outer side of the high temperature resistant layer 5, the number of the connecting plates 6 is eight, the connecting plates are distributed in a circular ring shape, the connecting plates 6 are made of plastics, the other end of each connecting plate 6 is fixedly connected with the protective layer 7, the protective layer 7 is formed by combining the buffer layer 71 with the flame retardant layer 72, the buffer layer 71 is formed by combining semicircular rubber blocks, the buffer layer is utilized to buffer extrusion force applied to the PP pipe main body 1 when in use, the PP pipe main body 1 is prevented from being extruded and damaged when in use, the compression resistance of the PP pipe main body 1 is further improved, the flame retardant layer 72 is made of polycarbonate, PC is abbreviated as PC, is a colorless transparent amorphous thermoplastic material, and the flame retardant principle of flame retardant PC is used for catalyzing the charring of the PC when in combustion, so that the flame retardant purpose is achieved.

In this embodiment, through having set up antistatic layer, under the protection of antistatic polyvinyl chloride board, can protect the static in outside, avoided the static to enter into the inside of inlayer, through having set up the inoxidizing coating, accessible buffer layer protects its PP pipe main part with fire-retardant layer, avoids the outside of PP pipe main part 1 to receive the damage to the inboard of PP pipe main part is influenced.

The working principle of the embodiment is as follows:

through having set up inoxidizing coating 7, through the setting of flame retardant coating 72 on the inoxidizing coating 7, the accessible polycarbonate is protected, avoided outer 4 of PP pipe main part 1 to receive the influence, and buffer layer 71's setting makes it when receiving outside striking at PP pipe main part 1, accessible rubber block weakens the impact force that the striking brought, high temperature resistant layer 5 and antistatic backing 3's setting, under the protection of antistatic polyvinyl chloride board, can protect the static in outside, avoided the inside that static entered into the inlayer, but its PP pipe main part 1 inlayer 2 avoids receiving the damage.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an antistatic fire-retardant PP pipe, includes PP pipe main part (1), its characterized in that: the inside of PP pipe main part (1) is provided with inlayer (2), the outside fixedly connected with antistatic backing (3) of inlayer (2), the outside fixedly connected with skin (4) of antistatic backing (3), the outside fixedly connected with high temperature resistant layer (5) of skin (4), the outside fixedly connected with connecting plate (6) of high temperature resistant layer (5), the other end fixedly connected with inoxidizing coating (7) of connecting plate (6).

2. The antistatic flame retardant PP pipe of claim 1 wherein: the antistatic layer (3) is an antistatic polyvinyl chloride plate, and the antistatic layer (3) is positioned in the middle of the inner layer (2) and the outer layer (4).

3. The antistatic flame retardant PP pipe of claim 1 wherein: the high temperature resistant layer (5) is polyether-ether-ketone resin.

4. The antistatic flame retardant PP pipe of claim 1 wherein: the number of the connecting plates (6) is eight, and the connecting plates are distributed in a circular ring shape.

5. The antistatic flame retardant PP pipe of claim 1 wherein: the protective layer (7) is formed by combining a buffer layer (71) and a flame-retardant layer (72), and the buffer layer (71) is formed by combining semicircular rubber blocks.

6. The antistatic flame retardant PP pipe of claim 5 wherein: the flame retardant layer (72) is polycarbonate.