CN215334914U

CN215334914U - PE pipe with flame retardant ability

Info

Publication number: CN215334914U
Application number: CN202121783510.2U
Authority: CN
Inventors: 匡红卫; 尚武银
Original assignee: Jiangsu Xinghe Group Co ltd
Current assignee: Jiangsu Xinghe Group Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-28
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to a PE pipe with flame retardant capability, which comprises an outer pipe, wherein a fireproof layer is fixedly arranged on the inner wall of the outer pipe, the fireproof layer comprises a heat insulation cotton layer, a dry ice layer, a flame retardant layer and a fireproof plate layer, the heat insulation cotton layer is fixedly arranged on the inner wall of the outer pipe, the dry ice layer is fixedly arranged on the inner wall of the heat insulation cotton layer, the flame retardant layer is fixedly arranged in the inner cavity of the dry ice layer, and the fireproof plate layer is fixedly arranged in the inner cavity of the flame retardant layer. This PE pipe with fire-retardant ability, through setting up thermal-insulated cotton layer, keep apart the inside of outside ignition point and PE pipe, played high temperature resistant and fire-proof effect when the intensity of a fire does not continue to enlarge, when the intensity of a fire further enlarges and destroys thermal-insulated cotton layer, the inside dry ice layer in thermal-insulated cotton layer can be triggered, the dry ice can turn into carbon dioxide gas when the contact air, thereby keep apart ignition point and oxygen, the temperature of ignition point has been reduced, the inside of PE pipe has been protected, it obtains effective control to have guaranteed that the ignition point.

Description

PE pipe with flame retardant ability

Technical Field

The utility model relates to the technical field of PE pipes, in particular to a PE pipe with flame retardant capability.

Background

In the municipal pipe market of China, plastic pipes are steadily developed at present, PE pipes, PP-R pipes and UPVC pipes all occupy a place, and the strong development potential of the PE pipes is the most remarkable.

The existing PE pipe is wide in application and convenient to install, but the existing PE pipe is poor in fire resistance and high-temperature resistance and cannot effectively restrain the expansion of fire, so that the PE pipe with flame retardant capability is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the PE pipe with flame retardant capability, which has the advantages of good fireproof performance and the like, and solves the problems that the existing PE pipe has poor fireproof performance and high temperature resistance and cannot effectively inhibit the expansion of fire.

In order to achieve the purpose, the utility model provides the following technical scheme: the PE pipe with flame retardant capability comprises an outer pipe, wherein a fireproof layer is fixedly arranged on the inner wall of the outer pipe;

the fireproof layer comprises a heat insulation cotton layer, a dry ice layer, a flame retardant layer and a fireproof plate layer, the heat insulation cotton layer is fixedly arranged on the inner wall of the outer pipe, the dry ice layer is fixedly arranged on the inner wall of the heat insulation cotton layer, the flame retardant layer is fixedly arranged in the inner cavity of the dry ice layer, and the fireproof plate layer is fixedly arranged in the inner cavity of the flame retardant layer;

further, the surface of outer tube covers there is the fire protection coating, the inner wall fixed mounting on thermal-insulated cotton layer has the retainer plate, the equal fixed mounting in the left and right sides of retainer plate inner wall has the support.

Further, the top fixed mounting of support has the cage, the equal fixed mounting in both sides about the cage inner wall has the mount, the top of mount and the outside fixed connection of fire prevention sheet layer.

Further, the heat insulation cotton layer is fixedly connected with the outer portion of the flame retardant layer through a support, the dry ice layer is divided into an upper dry ice chamber and a lower dry ice chamber by the fixing ring, and the upper dry ice chamber and the lower dry ice chamber correspond to each other.

Further, the dry ice layer is fixedly connected with the outer part of the fireproof plate layer through a fixing frame, the fixing frame divides the fire retardant layer into a left fire retardant chamber and a right fire retardant chamber, and the left fire retardant chamber and the right fire retardant chamber correspond to each other.

Further, the inside fixed mounting of fire prevention sheet layer has waterproof circle, the outside diameter of waterproof circle equals with the inner wall diameter of fire prevention sheet layer.

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

1. this PE pipe with fire-retardant ability, through setting up thermal-insulated cotton layer, keep apart the inside of outside ignition point and PE pipe, played high temperature resistant and fire-proof effect when the intensity of a fire does not continue to enlarge, when the intensity of a fire further enlarges and destroys thermal-insulated cotton layer, the inside dry ice layer in thermal-insulated cotton layer can be triggered, the dry ice can turn into carbon dioxide gas when the contact air, thereby keep apart ignition point and oxygen, the temperature of ignition point has been reduced, the inside of PE pipe has been protected, it obtains effective control to have guaranteed that the ignition point.

2. This PE pipe with flame retardant ability, through setting up the flame retardant layer, when carbon dioxide gas reduced the control of intensity of a fire, flame retardant in situ portion can spray to PE outside of tubes surface and all around, has arrived the effect of putting out a fire, has reduced the intensity of a fire, through setting up the heat insulating board, the heat insulating board will catch fire and the inside of PE pipe is isolated for the inside of PE pipe has been protected, makes the PE pipe have more the fire retardance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side cross-sectional view of the present invention.

In the figure: 1 outer pipe, 2 fireproof layers, 201 heat insulation cotton layers, 202 dry ice layers, 203 flame retardant layers and 204 fireproof plate layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a flame retardant PE pipe includes an outer pipe 1, a fire-proof layer 2 is fixedly mounted on an inner wall of the outer pipe 1, and the fire-proof layer 2 enhances the high temperature resistance of the PE pipe.

Referring to fig. 1-2, the fireproof layer 2 includes a thermal insulation cotton layer 201, a dry ice layer 202, a fire retardant layer 203, and a fireproof board layer 204, the thermal insulation cotton layer 201 is fixedly installed on the inner wall of the outer pipe 1, the thermal insulation cotton layer 201 enhances the high temperature resistance of the PE pipe itself, and isolates the inside of the PE pipe from the ignition point, the dry ice layer 202 is fixedly installed on the inner wall of the thermal insulation cotton layer 201, and the dry ice layer 202 stores dry ice for isolating the ignition point from oxygen, so as to reduce the fire, the external ignition point is isolated from the inside of the PE pipe by installing the thermal insulation cotton layer 201, when the fire is not continuously expanded, the high temperature resistance and the fireproof effect are achieved, when the fire is further expanded and the thermal insulation cotton layer 201 is damaged, the dry ice layer 202 inside the thermal insulation cotton layer 201 is triggered, the dry ice is converted into carbon dioxide gas when contacting air, so as to isolate the ignition point from oxygen, the temperature of ignition point has been reduced, the inside of PE pipe has been protected, it obtains effective control to have ensured the ignition point, the inner chamber fixed mounting of dry ice layer 202 has fire retardant layer 203, fire retardant 203 is used for reducing the intensity of a fire of ignition point, the inner chamber fixed mounting of fire retardant layer 203 has fire prevention sheet layer 204, the inside of PE pipe has been protected to fire prevention sheet layer 204, through setting up fire retardant layer 203, when carbon dioxide gas reduces the control of intensity of a fire, the inside fire retardant of fire retardant layer 203 can spray to PE outside of tubes surface and all around, the effect of putting out a fire has been reached, the intensity of a fire has been reduced, through setting up heat insulating board 204, heat insulating board 204 is isolated with the inside of ignition point and PE pipe, the inside of PE pipe has been protected, make the PE pipe have more the fire resistance.

When in implementation, the method comprises the following steps:

1) firstly, installing a PE pipe;

2) then, when a fire disaster happens, the heat insulation cotton layer 201 carries out primary fire prevention;

3) when the fire is further expanded, the carbon dioxide and the fire retardant are sprayed out from the dry ice layer 202 and the fire retardant layer 203 to reduce the fire;

4) finally, after the fire is reduced, the high-temperature resistance of the fireproof plate layer 204 protects the interior of the PE pipe.

In summary, according to the flame retardant PE pipe, the heat insulation cotton layer 201 is arranged to isolate the external ignition point from the inside of the PE pipe, so that the flame can resist high temperature and prevent fire when the fire is not further expanded, and when the fire is further expanded and the heat insulation cotton layer 201 is damaged, the dry ice layer 202 in the heat insulation cotton layer 201 can be triggered, and the dry ice can be converted into carbon dioxide gas when contacting air, so that the ignition point is isolated from oxygen, the temperature of the ignition point is reduced, the inside of the PE pipe is protected, and the ignition point is effectively controlled.

And, this PE pipe with fire retardant ability, through setting up fire retardant layer 203, when carbon dioxide gas reduces the control of intensity of a fire, the inside fire retardant of fire retardant layer 203 can spray to PE outside of tubes surface and all around, reached the effect of putting out a fire, reduced the intensity of a fire, through setting up heat insulating board 204, heat insulating board 204 isolates the ignition point with the inside of PE pipe, make the inside of PE pipe protected, make PE pipe have more the fire retardance, but the fire behavior and the high temperature resistance performance of current PE pipe are relatively poor, can not the effectual problem of restraining the expansion of intensity of a fire.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A PE pipe with flame retardant capability, comprising an outer pipe (1), characterized in that: the inner wall of the outer pipe (1) is fixedly provided with a fireproof layer (2);

the fireproof layer (2) comprises a heat insulation cotton layer (201), a dry ice layer (202), a flame retardant layer (203) and a fireproof plate layer (204), the inner wall of the outer pipe (1) is fixedly provided with the heat insulation cotton layer (201), the inner wall of the heat insulation cotton layer (201) is fixedly provided with the dry ice layer (202), the inner cavity of the dry ice layer (202) is fixedly provided with the flame retardant layer (203), and the inner cavity of the flame retardant layer (203) is fixedly provided with the fireproof plate layer (204).

2. The PE pipe with flame retardant capability of claim 1, wherein: the outer surface of outer tube (1) covers there is fire protection coating, the inner wall fixed mounting on thermal-insulated cotton layer (201) has the retainer plate, the equal fixed mounting in the left and right sides of retainer plate inner wall has the support.

3. The PE pipe with flame retardant capability of claim 2, wherein: the top fixed mounting of support has the cage, the equal fixed mounting in upper and lower both sides of cage inner wall has the mount, the top of mount and the outside fixed connection of fire prevention sheet layer (204).

4. The PE pipe with flame retardant capability of claim 2, wherein: the heat insulation cotton layer (201) is fixedly connected with the outer part of the flame retardant layer (203) through a support, the dry ice layer (202) is divided into an upper dry ice chamber and a lower dry ice chamber by the fixing ring, and the upper dry ice chamber and the lower dry ice chamber correspond to each other.

5. The PE pipe with flame retardant capability according to claim 4, wherein: the dry ice layer (202) is fixedly connected with the outer part of the fireproof plate layer (204) through a fixing frame, the fixing frame divides the fire retardant layer (203) into a left fire retardant chamber and a right fire retardant chamber, and the left fire retardant chamber and the right fire retardant chamber correspond to each other.

6. The PE pipe with flame retardant capability of claim 3, wherein: the inside fixed mounting of fire prevention sheet layer (204) has waterproof circle, the outside diameter of waterproof circle equals with the inner wall diameter of fire prevention sheet layer (204).