CN215445535U

CN215445535U - Anti-freezing pipeline

Info

Publication number: CN215445535U
Application number: CN202121074122.7U
Authority: CN
Inventors: 甘志超; 陈灶波; 谭树军; 汤国义; 汤新平
Original assignee: Guangdong Hushuntong Plastics Technique Co ltd
Current assignee: Guangdong Hushuntong Plastics Technique Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-01-07
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses an anti-freezing pipeline, which comprises a first pipeline, wherein a second pipeline is sleeved outside the first pipeline, an interlayer is arranged between the first pipeline and the second pipeline, a heating layer is sleeved on the outer wall of the first pipeline, the second pipeline is arranged outside the first pipeline, the interlayer is arranged between the first pipeline and the second pipeline, when the weather is cold, the second pipeline and the interlayer are isolated from the outside, so that the first pipeline is isolated from the outside, the first pipeline is protected, the influence of the outside temperature on the first pipeline is reduced, meanwhile, the heating layer is sleeved on the outer wall of the first pipeline, the heating layer is spirally wound on the outer wall of the first pipeline, the first pipeline is effectively wrapped, the temperature of the interior of the pipeline can be controlled at the non-freezing temperature through the heating of a heating wire, the pipeline is prevented from being frozen, and meanwhile, a heat insulation layer and a foaming layer are arranged on the outer side of the heating layer, so that the temperature isolation can be effectively realized, the normal use of the pipeline in a low-temperature environment is ensured.

Description

Anti-freezing pipeline

Technical Field

The utility model relates to the technical field of pipelines, in particular to an anti-freezing pipeline.

Background

The inside of present pipeline for avoiding carrying liquid or drainage during operation is frozen, can twine winter protection cloth etc. and carry out the winter protection on its pipeline outer wall, the phenomenon that liquid freezes still can appear in the pipeline, cause the liquid to freeze the problem that can't carry out, the influence is to the water supply demand of equipment, influence the operation of equipment, the difference in temperature is great round the clock winter moreover, the material of pipeline is out of shape easily when the difference in temperature is great, just damage the pipeline after the deformation easily, the pipeline frost crack not only makes the wasting of resources, also bring the trouble for the user. The pipeline is an important building material necessary for urban construction, the pipeline in a cold area is bound to face serious freezing threat, thick glass wool is bound to wrap the pipeline to prevent liquid in the pipeline from being solidified, but the pipeline used for a long time is bound to avoid that water flow stops to cause temperature reduction and then the pipeline is frozen to damage after solidification, so that the pipeline is always required to be repaired, but the pipeline is bound to face a large amount of solidified ice, so that the pipeline rush repair work is difficult to rapidly carry out, and the life and industrial production of residents are influenced.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.

The utility model provides an anti-freezing pipeline, includes first pipeline, its characterized in that, first pipeline outside cover is equipped with the second pipeline, be equipped with the tube hole that supplies liquid to flow through in the first pipeline, be equipped with the intermediate layer between first pipeline and the second pipeline, the outer wall cover of first pipeline is equipped with the zone of heating, the zone of heating sets up in interbedded inboard, the zone of heating spiral coils on the outer wall of first pipeline, be equipped with heating channel in the zone of heating, install heater strip, thermal protector and support frame in the heating channel, the heater strip sets up in heating channel, the heater strip connects thermal protector, the support frame is installed at heating channel.

As a further scheme of the utility model: the interlayer is internally provided with a heat preservation layer and a foaming layer, the heat preservation layer is wrapped on the outer side of the heating layer, and the foaming layer is wrapped on the outer side of the heat preservation layer.

As a further scheme of the utility model: the outside parcel of first pipeline has the barrier layer, the outside of barrier layer is equipped with the isolation layer, the outside of isolation layer is equipped with the zone of heating, the outside of zone of heating is equipped with the insulating layer, the insulating layer sets up in interbedded inboard.

As a further scheme of the utility model: be equipped with a plurality of bumps on interbedded inside, the outside of zone of heating is equipped with the recess, the bump cooperation sets up in the recess.

As a further scheme of the utility model: the first conduit is constructed of a corrosion resistant material and the second conduit is constructed of a thermal insulating material.

As a further scheme of the utility model: the heat-insulating layer is filled with a superfine glass wool layer and a polytetrafluoroethylene layer in sequence, and the foaming layer is an SBS rubber layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the second pipeline is arranged outside the first pipeline, the interlayer is arranged between the first pipeline and the second pipeline, when the weather is cold, the second pipeline and the interlayer are isolated from the outside, so that the first pipeline is isolated from the outside, and the first pipeline is protected, thereby reducing the influence of the outside temperature on the first pipeline.

2. According to the utility model, the heating wire, the thermal protector and the support frame are arranged in the heating layer, the thermal protector is connected with the heating wire, when the temperature of the first pipeline rises to the set disconnection temperature of the thermal protector, the bimetallic element is heated to generate internal stress to rapidly act, the contact is opened, the circuit is cut off, and the heating wire stops working, so that the thermal protection effect is achieved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a structural schematic of a cross-section of the present invention;

FIG. 3 is an enlarged view at A of FIG. 2;

fig. 4 is an internal structure view of the insulating layer of the present invention.

In the figure: 1-a first conduit; 2-a second conduit; 3-pipe hole; 4-interlayer; 41-an insulating layer; 42-a foam layer; 5, heating a layer; 6-heating the channel; 7-heating wires; 8-a support frame; 9-barrier layer; 10-an isolation layer; 11-an insulating layer; 12-bumps; 13-a groove; 14-superfine glass wool; 15-polytetrafluoroethylene layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 to 4, in the embodiment of the utility model, an anti-freezing pipeline comprises a first pipeline 1, a second pipeline 2 is sleeved outside the first pipeline 1, the first pipeline 1 is made of a corrosion-resistant material, the second pipeline 2 is made of a thermal insulation material, a pipe hole 3 for liquid to flow through is arranged in the first pipeline 1, an interlayer 4 is arranged between the first pipeline 1 and the second pipeline 2, the second pipeline 2 is arranged outside the first pipeline 1, the interlayer 4 is arranged between the first pipeline 1 and the second pipeline 2, in cold weather, the second pipeline 2 and the interlayer 4 are isolated from the outside, so that the first pipeline 1 is isolated from the outside, the first pipeline 1 is protected, the influence of the outside temperature on the first pipeline 1 is reduced, a heating layer 5 is sleeved on the outer wall of the first pipeline 1, the heating layer 5 is arranged inside the interlayer 4, and the heating layer 5 is spirally wound on the outer wall of the first pipeline 1, effectively wrap up first pipeline 1, make pipeline inside can control at the temperature that does not freeze through the heating of heater strip 7, prevent that the pipeline from freezing, be equipped with heat preservation 41 and foaming layer 42 in the outside of zone of heating 5 simultaneously and can effectively realize separating the temperature, guarantee the normal use of pipeline in low temperature environment.

A heating channel 6 is arranged in the heating layer 5, a heating wire 7, a thermal protector and a support frame 8 are arranged in the heating channel 6, the heating wire 7 is connected with the thermal protector, when the temperature of the first pipeline 1 rises to the set off temperature of the thermal protector, a bimetallic strip in the thermal protector is heated to generate internal stress and rapidly act, a contact is opened, a circuit is cut off, and the heating wire 7 stops working, so that the thermal protection effect is achieved, when the temperature of the first pipeline 1 drops to the set recovery temperature of the thermal protector, the bimetallic strip in the thermal protector is cooled and recovered to be in a switch-on state, the heating wire 7 continuously works, the thermal protector is connected with the heating wire 7 to realize the real-time monitoring of the cold and hot of the pipeline, the device is safe and convenient, can automatically prevent freezing, has good anti-freezing effect, low energy consumption, convenient connection and simple and practical structure, and the support frame 8 is arranged in the heating channel 6, the support frame 8 can play effectual holding power when first pipeline 1 atress, has strengthened the support intensity of pipe wall, prevents effectively that first pipeline 1 from warping and breaking, has increased first pipeline 1's life.

Be equipped with heat preservation 41 and foaming layer 42 in the intermediate layer 4, heat preservation 41 parcel is in the outside of zone of heating 5, foaming layer 42 parcel is in the outside of heat preservation 41, and heat preservation 41 has filled superfine glass cotton layer 14 and polytetrafluoroethylene layer 15 from inside to outside in proper order, and superfine glass cotton layer 14 and polytetrafluoroethylene layer 15 provide the guarantee for the heat preservation of first pipeline 1 simultaneously, prevent that the heat from scattering and disappearing, foaming layer 42 is the SBS rubber layer, and SBS rubber has further improved the shock resistance of pipeline as the foaming layer.

The outside parcel of first pipeline 1 has barrier layer 9, the outside of barrier layer 9 is equipped with isolation layer 10, the outside of isolation layer 10 is equipped with zone of heating 5, and the infiltration avoids taking place for the setting of barrier layer 9 and isolation layer 10, makes first pipeline 1 have multiple protection, makes electric power can not leak into the downthehole liquid of pipe simultaneously, guarantees safety the outside of zone of heating 5 is equipped with insulating layer 11, insulating layer 11 sets up the inboard at intermediate layer 4.

Be equipped with a plurality of bumps 12 on the inside of intermediate layer 4, the outside of zone of heating 5 is equipped with recess 13, bump 12 cooperation sets up in recess 13.

According to the utility model, the second pipeline 2 is arranged outside the first pipeline 1, the interlayer 4 is arranged between the first pipeline 1 and the second pipeline 2, when the weather is cold, the second pipeline 2 and the interlayer 4 are isolated from the outside, so that the first pipeline 1 is isolated from the outside, and the first pipeline 1 is protected, thereby reducing the influence of the outside temperature on the first pipeline 1, meanwhile, the heating layer 5 is sleeved on the outer wall of the first pipeline 1, the heating layer 5 is spirally wound on the outer wall of the first pipeline 1, the first pipeline 1 is effectively wrapped, the temperature in the pipeline can be controlled at a non-freezing temperature through the heating of the heating wire 7, the pipeline is prevented from freezing, meanwhile, the heat insulation layer 41 and the foaming layer 42 are arranged on the outer side of the heating layer 5, so that the heat insulation can be effectively realized, and the normal use of the pipeline in a low-temperature environment is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An anti-freezing pipeline comprises a first pipeline (1) and is characterized in that a second pipeline (2) is sleeved outside the first pipeline (1), a pipe hole (3) for liquid to flow through is arranged in the first pipeline (1), an interlayer (4) is arranged between the first pipeline (1) and the second pipeline (2), the outer wall of the first pipeline (1) is sleeved with a heating layer (5), the heating layer (5) is arranged on the inner side of the interlayer (4), the heating layer (5) is spirally coiled on the outer wall of the first pipeline (1), a heating channel (6) is arranged in the heating layer (5), a heating wire (7), a thermal protector and a supporting frame (8) are arranged in the heating channel (6), the heating wire (7) is arranged in the heating channel (6), the heating wire (7) is connected with the thermal protector, and the support frame (8) is installed in the heating channel (6).

2. Anti-freezing pipeline according to claim 1, characterized in that an insulating layer (41) and a foaming layer (42) are arranged in the interlayer (4), the insulating layer (41) is wrapped outside the heating layer (5), and the foaming layer (42) is wrapped outside the insulating layer (41).

3. The anti-freezing pipeline according to claim 1, characterized in that the outer side of the first pipeline (1) is wrapped with an impermeable layer (9), the outer side of the impermeable layer (9) is provided with an isolation layer (10), the outer side of the isolation layer (10) is provided with a heating layer (5), the outer side of the heating layer (5) is provided with an insulation layer (11), and the insulation layer (11) is arranged on the inner side of the interlayer (4).

4. Anti-freezing pipeline according to claim 1, characterized in that a plurality of bumps (12) are provided on the inside of the interlayer (4), a groove (13) is provided on the outside of the heating layer (5), and the bumps (12) are fittingly provided in the groove (13).

5. An antifreeze conduit according to claim 1, wherein the first conduit (1) is formed from a corrosion resistant material and the second conduit (2) is formed from a temperature insulating material.

6. Anti-freezing pipeline according to claim 2, characterized in that the insulating layer (41) is filled with a superfine glass wool layer (14) and a polytetrafluoroethylene layer (15) from inside to outside in sequence, and the foaming layer (42) is an SBS rubber layer.