CN220416481U

CN220416481U - Multifunctional FRP pipe fitting

Info

Publication number: CN220416481U
Application number: CN202321094254.5U
Authority: CN
Inventors: 钟发胜; 吴小丽; 张水华; 聂天驰
Original assignee: Suzhou Dingyu Energy Efficient Equipment Co Ltd
Current assignee: Suzhou Dingyu Energy Efficient Equipment Co Ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2024-01-30
Anticipated expiration: 2033-05-09

Abstract

The utility model relates to the field of FRP pipe fittings, in particular to a multifunctional FRP pipe fitting, which comprises a base layer pipe, a flame-retardant layer, a connecting layer and an external protective layer from inside to outside; the flame-retardant layers are arranged on the outer wall of the base layer pipe and are equidistantly arranged along the length direction of the base layer pipe, the flame-retardant layers are formed by interweaving glass fibers, and a conductive layer for guiding static electricity is arranged between every two adjacent flame-retardant layers; the connecting layer is arranged between the flame-retardant layer and the external protective layer and is used for mutually adhering the flame-retardant layer, the conductive layer and the external protective layer. Through the setting of flame retardant coating and conducting layer to can make FRP pipe fitting have fire-retardant and static function of leading, flame retardant coating and conducting layer set up in turn, thereby can reduce the manufacturing cost of FRP pipe fitting.

Description

Multifunctional FRP pipe fitting

Technical Field

The utility model relates to the field of FRP pipe fittings, in particular to a multifunctional FRP pipe fitting.

Background

Most FRP pipe fittings in the market at present are functional single pipe fittings (such as single performances of static electricity conduction, flame retardance, acid and alkali resistance, solvent resistance and the like), but because the market demand is improved, the demand of the FRP pipe fittings is not satisfied with single functions, and multiple functions are required to be combined, such as the FRP pipe fittings required by industries such as medicine, chemical industry and the like are required to satisfy the solvent resistance, and meanwhile, the FRP pipe fittings have other characteristics of static electricity conduction, flame retardance and the like, and the performance of the manufactured FRP pipe fittings is uneven (especially, inorganic matters are added in a pipeline for achieving the flame retardance of the FRP pipe fittings manufactured by partial enterprises, but the corrosion resistance of the pipeline is seriously reduced), so the FRP pipe fittings with multiple functions are required.

Disclosure of Invention

To the problem that prior art exists, provide a multi-functional FRP pipe fitting, through the setting of fire-retardant layer and conducting layer to can make FRP pipe fitting have fire-retardant and static function that leads, fire-retardant layer and conducting layer set up in turn, thereby can reduce the manufacturing cost of FRP pipe fitting.

In order to solve the problems in the prior art, the utility model adopts the following technical scheme:

the multifunctional FRP pipe fitting comprises a base layer pipe, a flame-retardant layer, a connecting layer and an external protective layer from inside to outside;

the flame-retardant layers are arranged on the outer wall of the base layer pipe and are equidistantly arranged along the length direction of the base layer pipe, the flame-retardant layers are formed by interweaving glass fibers, and a conductive layer for guiding static electricity is arranged between every two adjacent flame-retardant layers;

the connecting layer is arranged between the flame-retardant layer and the external protective layer and is used for mutually adhering the flame-retardant layer, the conductive layer and the external protective layer.

Preferably, the base layer tube is made of flame-retardant vinyl ester resin, conductive agent and glass fiber mat.

Preferably, the conductive layer is made of carbon fiber wound.

Preferably, the connecting layer comprises a plurality of connecting strips which are equidistantly arranged along the circumferential direction of the base layer pipe, and the length direction of the connecting strips is parallel to the axis of the base layer pipe.

Preferably, each connecting strip is made of common resin and mesh cloth.

Preferably, the outer protective layer is made of common resin, conductive agent and glass fiber felt.

Compared with the prior art, the beneficial effects of this application are:

the application is through the cooperation of conducting layer and fire-retardant layer to can make FRP pipe fitting can have fire-retardant and lead two kinds of functions of static, improve the functional that has of FRP pipe fitting, improve the applicable environment of FRP pipe fitting, through staggered arrangement's fire-retardant and conducting layer, compare in full coverage, thereby reduce the manufacturing cost of FRP pipe fitting.

Drawings

FIG. 1 is a perspective view of a multifunctional FRP pipe fitting;

FIG. 2 is a perspective view of the hidden outer protective layer of FIG. 1;

FIG. 3 is a side view of a multi-functional FRP pipe fitting;

fig. 4 is a perspective cross-sectional view of fig. 3 taken along the A-A direction.

The reference numerals in the figures are:

1-a base pipe;

2-a flame retardant layer;

a 3-connection layer; 31-connecting strips;

4-an outer protective layer;

5-conductive layer.

Description of the embodiments

The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.

Referring to fig. 1 to 4, a multifunctional FRP pipe including a base pipe 1, a flame retardant layer 2, a connection layer 3 and an outer protective layer 4 from inside to outside; the flame-retardant layers 2 are arranged on the outer wall of the base layer pipe 1 and are equidistantly arranged along the length direction of the base layer pipe 1, the flame-retardant layers 2 are formed by interweaving glass fibers, and a conductive layer 5 for guiding static electricity is arranged between every two adjacent flame-retardant layers 2; the connection layer 3 is provided between the flame retardant layer 2 and the external protection layer 4 and serves to adhere the flame retardant layer 2, the conductive layer 5, and the external protection layer 4 to each other.

According to the pipeline internal diameter that presets, set up flame retardant coating 2, conducting layer 5 at the base layer pipe 1 outer wall in proper order, flame retardant coating 2 can protect base layer pipe 1, not only can avoid outside flame to produce the damage to base layer pipe 1, can also shelter from base layer pipe 1 when the inside flame that produces of base layer pipe 1, thereby avoid leaking of flame, conducting layer 5 sets up between two flame retardant coating 2, thereby can lead the static that base layer pipe 1 produced, make it can discharge static base layer pipe 1, avoid the production of static, link layer 3 can carry out the mutual adhesion to flame retardant coating 2, conducting layer 5 and outside protective layer 4, thereby guarantee the connection stability of multi-functional FRP pipe fitting, outside protective layer 4 can block ultraviolet ray and pollutant, thereby improve flame retardant coating 2 and conducting layer 5's life.

The base layer pipe 1 is made of flame-retardant vinyl ester resin, conductive agent and glass fiber mat.

The flame-retardant vinyl ester resin has excellent flame-retardant performance, so that the use stability of the base pipe 1 can be ensured, the conductive agent is graphite powder or carbon black, the corrosion resistance and the conductivity of the base pipe 1 can be ensured, and the glass fiber felt is interwoven into a net shape by glass fiber monofilaments and is mutually adhered with the conductive agent through the flame-retardant vinyl ester resin, so that the connection strength between the resin and the guiding agent can be ensured, and the hardness of the base pipe 1 is ensured.

The conductive layer 5 is made of carbon fiber wound.

The conducting layer 5 is arranged between the two flame retardant layers 2, compared with the traditional full-coverage carbon fiber arrangement, the conducting layer can ensure the conduction of static electricity and reduce the use amount of the carbon fiber and the cost through the intermittent carbon fiber arrangement.

Referring to fig. 2, the connection layer 3 includes a plurality of connection bars 31 equally spaced along the circumferential direction of the base pipe 1, and the length direction of the connection bars 31 is parallel to the axis of the base pipe 1.

Through a plurality of setting at connecting strip 31 along basic unit's pipe 1 circumferencial direction, connecting strip 31 can connect conducting layer 5 and fire-retardant layer 2 to guarantee the stability between conducting layer 5 and the fire-retardant layer 2.

Each of the connection bars 31 is made of a common resin and mesh cloth.

The connecting strips 31 are made of common resin and mesh cloth, so that the production cost is reduced, the plurality of connecting strips 31 can be used for combining the external protection layer 4, the flame-retardant layer 2 and the conductive layer 5, and the length direction of the connecting strips 31 is the same as the length direction of the base layer pipe 1, so that longitudinal stretching force can be provided for the FRP pipe fitting, and the stability of the FRP pipe fitting is ensured.

The outer protective layer 4 is made of common resin, conductive agent and glass fiber felt.

The external protection layer 4 of the FRP pipe fitting is made by compounding common resin, conductive agent and glass fiber felt, so that the conductive layer 5 and the flame retardant layer 2 are protected, the price of the common resin is lower than that of the flame retardant vinyl ester resin, so that the production cost of the FRP pipe fitting can be reduced, static electricity can be led to the outside of the FRP pipe fitting through the base pipe 1 and the conductive layer 5 by adding the conductive agent, and the hardness of the external protection layer 4 is ensured by adding the glass fiber felt.

The foregoing examples merely illustrate one or more embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The multifunctional FRP pipe fitting is characterized by comprising a base layer pipe (1), a flame-retardant layer (2), a connecting layer (3) and an external protective layer (4) from inside to outside;

the flame-retardant layers (2) are arranged on the outer wall of the base layer pipe (1) and are equidistantly arranged along the length direction of the base layer pipe (1), the flame-retardant layers (2) are formed by interweaving glass fibers, and a conductive layer (5) for guiding static electricity is arranged between every two adjacent flame-retardant layers (2);

the connecting layer (3) is arranged between the flame-retardant layer (2) and the external protective layer (4) and is used for mutually adhering the flame-retardant layer (2), the conductive layer (5) and the external protective layer (4).

2. A multifunctional FRP pipe according to claim 1, characterized in that the conductive layer (5) is made of carbon fiber winding.

3. A multifunctional FRP pipe according to claim 1, characterized in that the connection layer (3) comprises a plurality of connection bars (31) arranged equidistantly along the circumferential direction of the base pipe (1), and the length direction of the connection bars (31) is parallel to the axis of the base pipe (1).