CN210196674U

CN210196674U - Basalt fiber ribbon reinforced high-pressure PVC pipe

Info

Publication number: CN210196674U
Application number: CN201920629106.6U
Authority: CN
Inventors: Yingli Zhang; 张英利; Weibin Wang; 王卫斌
Original assignee: SHANXI QINGKE HENGAN MINING NEW MATERIAL CO Ltd
Current assignee: SHANXI QINGKE HENGAN MINING NEW MATERIAL CO Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-03-27
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to a basalt fiber ribbon reinforced high-pressure PVC pipe, which comprises a PVC inner layer, a basalt fiber reinforced layer and a PVC outer layer which are arranged from inside to outside in sequence; the basalt fiber reinforced layer is in hot-melt connection with the PVC outer layer and the PVC inner layer. The basalt fiber ribbon reinforced high-pressure PVC pipe of the utility model is made into a composite pipe by adopting a multilayer matching method, thereby avoiding the defect that the material can not be fully utilized due to the damage of the material outside the single-layer wall thickness under the positive pressure effect, and compared with the pipe with the same wall thickness, the basalt fiber ribbon reinforced high-pressure PVC pipe has higher strength, rigidity and impact resistance; compared with the pipe with the same strength, the pipe has smaller thickness, has the advantages of light weight, convenient installation, corrosion resistance and long service life; the pipe requirements for the coal mine can be met; the use pressure reaches 4-30MPa, and the highest bursting pressure reaches 150 MPa.

Description

Basalt fiber ribbon reinforced high-pressure PVC pipe

Technical Field

The utility model relates to a PVC pipeline preparation technical field to more specifically, involve a high-pressure PVC pipe of basalt fiber silk ribbon reinforcing.

Background

PVC tubular product is the tubular product of the broadest, the biggest quantity of application range among the plastics tubular product, especially in municipal administration plumbing, oily water, sea water desalination, mine water supply, air feed, drainage, coal washing water, buggy transport, chemical plant, steel mill corrosive liquids carry, but intensity is little in the use, and the pressure-bearing is low, causes certain threat to the safety in production.

Based on this, the prior art still remains to be improved.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide a high-pressure PVC pipe of basalt fiber silk ribbon reinforcing, it can solve prior art's problem.

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

the embodiment of the utility model discloses a basalt fiber ribbon reinforced high-pressure PVC pipe, which comprises a PVC inner layer, a basalt fiber reinforced layer and a PVC outer layer which are arranged from inside to outside in sequence;

the basalt fiber reinforced layer is in hot-melt connection with the PVC outer layer and the PVC inner layer.

Further, the PVC inner layer is hard PVC, and the thickness of the PVC inner layer is 2-20 mm.

Further, the PVC outer layer is hard PVC, semi-hard PVC or soft PVC, and the thickness of the PVC outer layer is 0.5-20 mm.

Further, the basalt fiber reinforced layer is formed by spirally winding a basalt fiber belt in left and right directions.

Further, the number of the basalt fiber belt layers is 2-20.

Further, the winding angle of the basalt fiber belt is 50-60 degrees.

Further, the basalt fiber reinforced layer is formed by winding basalt fiber filaments in a left-right spiral mode.

Further, the number of the basalt fiber filaments is 2-20.

Further, the basalt fiber filament has the specification of 100-1000TEX and the diameter of the filament is 7-30 microns.

Further, the PVC outer layer is antistatic, corrosion-resistant and flame-retardant PVC.

The utility model has the advantages that:

the basalt fiber ribbon reinforced high-pressure PVC pipe of the utility model is made into a composite pipe by adopting a multilayer matching method, thereby avoiding the defect that the material can not be fully utilized due to the damage of the material outside the single-layer wall thickness under the positive pressure effect, and compared with the pipe with the same wall thickness, the basalt fiber ribbon reinforced high-pressure PVC pipe has higher strength, rigidity and impact resistance; compared with the pipe with the same strength, the pipe has smaller thickness, has the advantages of light weight, convenient installation, corrosion resistance and long service life; the special double-resistance formula is adopted, so that the pipe requirement for the coal mine can be met; the use pressure reaches 4-30MPa, and the highest bursting pressure reaches 150 MPa.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1, an embodiment of the present invention discloses a basalt fiber ribbon-reinforced high-pressure PVC pipe, which comprises a PVC inner layer 1, a basalt fiber reinforced layer 2 and a PVC outer layer 3, which are sequentially arranged from inside to outside;

the basalt fiber reinforced layer 2 is in hot-melt connection with the PVC outer layer 3 and the PVC inner layer 1.

In the embodiment, the basalt fiber reinforced high-pressure PVC pipe uses a special production line to wind and wrap the reinforced basalt fiber ribbon between the inner layer PVC pipe and the outer layer PVC pipe. Compared with the existing composite pipe, the composite pipe has higher strength, rigidity and impact resistance, is more reasonable in structural design, the hard PVC layer on the inner layer is combined with the middle basalt fiber ribbon reinforcing layer to bear pressure, the PVC layer on the outer layer is corrosion-resistant, antistatic and flame-retardant, can still bear certain deformation under the combined condition, and can work for a long time under the high-pressure condition of 20 MPa.

Some preferred embodiments of the present invention are that the PVC inner layer 1 is rigid PVC, and the thickness of the PVC inner layer 1 is 3-20 mm. So as to ensure that the composite pipe has certain ring rigidity and meet the use requirement.

In some preferred embodiments of the present invention, the PVC outer layer 3 is rigid PVC, semi-rigid PVC or flexible PVC, and the thickness of the PVC outer layer 3 is 2-20 mm. The PVC outer layer 3 is antistatic, corrosion-resistant and flame-retardant PVC. The external pipe diameter specification of general PVC pipe is guaranteed, and the assembly and use are convenient.

In some preferred embodiments of the present invention, the basalt fiber reinforced layer 2 is formed by winding the basalt fiber belt in a left-right spiral manner. Preferably, the number of the basalt fiber tapes is 2-20. The winding angle of the basalt fiber belt can be selected to be 50-60 degrees. Wherein the width of the basalt fiber belt is 20-160mm, the thickness is 0.1-10mm, and the length can reach 30000 m. Preferably, the width may be 20mm, 40mm, 80mm, 160 mm.

In some preferred embodiments of the present invention, the basalt fiber reinforced layer 2 is formed by winding basalt fiber filaments in a left-right spiral manner. The number of the basalt fiber filaments is 2-20, the specification of the basalt fiber filaments is 100-1000TEX, and the diameter of each precursor is 7-30 microns. The reinforced basalt fiber wires are wound between the inner layer PVC pipe and the outer layer PVC pipe by using a special production line, and the preferable middle reinforced layer is 2 layers.

To sum up, the embodiment of the utility model discloses high-pressure PVC pipe of basalt fiber silk ribbon reinforcing, include from inlayer to outmost PVC hard tube layer, middle basalt fiber silk enhancement layer, the outer PVC pipe that sets gradually, basalt fiber silk reinforcing high-pressure PVC pipe uses special production line will strengthen basalt fiber silk winding and wrap up between the outer PVC pipe. Compared with the pipe with the same wall thickness, the product has higher strength, rigidity and impact resistance, has smaller thickness compared with the pipe with the same strength, has the advantage of light weight, is more reasonable in structural design, the hard PVC layer of the inner layer is combined with the middle basalt fiber yarn reinforced layer to bear pressure, the PVC layer of the outer layer is corrosion-resistant, antistatic and flame-retardant, can still bear certain deformation under the combined condition, can work for a long time under the condition of high pressure of 20MPa, is convenient to install and corrosion-resistant, and has long service life; the pipe requirements for the coal mine can be met; the use pressure reaches 4-30MPa, and the highest bursting pressure reaches 150 MPa.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims

1. The basalt fiber ribbon reinforced high-pressure PVC pipe is characterized by comprising a PVC inner layer, a basalt fiber reinforced layer and a PVC outer layer which are sequentially arranged from inside to outside;

2. The basalt fiber ribbon-reinforced high pressure PVC pipe according to claim 1, wherein the PVC inner layer is rigid PVC and the thickness of the PVC inner layer is 2-20 mm.

3. The basalt fiber ribbon-reinforced high pressure PVC pipe according to claim 1, wherein the PVC outer layer is rigid PVC, semi-rigid PVC, or soft PVC, and the PVC outer layer has a thickness of 0.5-20 mm.

4. The basalt fiber ribbon-reinforced high-pressure PVC pipe according to claim 1, wherein the basalt fiber reinforced layer is formed by spirally winding a basalt fiber ribbon in left and right directions.

5. The basalt fiber ribbon-reinforced high pressure PVC pipe of claim 4, wherein the number of layers of the basalt fiber ribbon is 2-20.

6. The basalt fiber ribbon-reinforced high pressure PVC pipe according to claim 4, wherein the winding angle of the basalt fiber ribbon is 50-60 degrees.

7. The basalt fiber ribbon-reinforced high-pressure PVC pipe according to claim 1, wherein the basalt fiber-reinforced layer is formed by winding basalt fiber filaments spirally left and right.

8. The basalt fiber ribbon-reinforced high pressure PVC pipe of claim 7, wherein the number of layers of basalt fiber filaments is 2-20.

9. The basalt fiber ribbon-reinforced high pressure PVC pipe according to claim 8, wherein the basalt fiber filaments are 100 TEX 1000, and the filament diameter is 7-30 microns.

10. The basalt fiber ribbon-reinforced high pressure PVC pipe of claim 8, wherein the PVC outer layer is an antistatic, corrosion resistant, flame retardant PVC.