CN110805787A

CN110805787A - Pipeline heat preservation device for heating

Info

Publication number: CN110805787A
Application number: CN201911205203.3A
Authority: CN
Inventors: 曲娜; 尤文
Original assignee: Changchun University of Technology
Current assignee: Changchun University of Technology
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-02-18
Anticipated expiration: 2039-11-29
Also published as: CN110805787B

Abstract

A heat preservation device for a heating pipeline relates to a heat preservation device. Heating pipeline body surface is equipped with the heat preservation, the heat preservation surface is wrapped up in and is covered with the location screen cloth, adiabatic pad suppression is all cemented in wave and every arc sunk position of tow sides and has had the heat accumulation stick, the rectangle heat conduction ring is installed to the heat accumulation stick, constitute inside and outside two-way heat source layer through adiabatic pad and heat accumulation stick cooperation rectangle heat conduction ring, inside and outside two-way heat source layer is wrapped around at location screen cloth surface, prefabricated tubular shell is including two articulated semicircle shells, the semicircle shell free end articulates there is the tie wing, prefabricated tubular shell closely covers establishes outside inside and outside two-way heat source layer, two semicircle shells alternate through the rectangle heat conduction ring, pretension hoop establishes on two tie wings, pretension hoop has connect fastening bolt soon with two tie wing fastening positions. Can carry out better storage to external environment's heat energy to improve thermal insulation performance, better avoiding heat to run off.

Description

Pipeline heat preservation device for heating

Technical Field

The invention relates to a heat preservation device, in particular to a pipeline heat preservation device for heating.

Background

The heating pipeline is a water circulation pipeline used for heating in winter in cities in cold regions, part of the heating pipeline is buried underground, but part of the heating pipeline has to be arranged above the ground surface due to geographical conditions and other factors, and heat preservation treatment is needed to avoid accelerated loss of water heat in the heating pipeline in low-temperature environments in winter.

The existing heating pipeline generally adopts a mode of arranging a heat insulation layer outside the pipeline to reduce the loss of water heat, and common heat insulation layers comprise polyurethane, glass wool and the like. However, the single heat preservation effect of wrapping a heat preservation layer outside the pipeline is limited, and the heat energy of external environments such as solar heat and the like cannot be better stored, so that the change along with the temperature of the external environments is obvious, and the heat can be quickly obtained and cooled in a popular way.

Therefore, it is urgently needed to break through the current single heat preservation means and research and develop a pipeline heat preservation device for heating, which can better store the heat energy of the external environment so as to improve the heat preservation performance and better avoid heat loss.

Disclosure of Invention

The invention aims to provide a heating pipeline heat preservation device to solve the problems.

In order to achieve the purpose, the invention adopts the following technical scheme: a heating pipeline heat preservation device comprises a heating pipeline body, a heat preservation layer, a positioning mesh cloth, a heat insulation pad, a prefabricated tubular shell, a pre-tightening hoop and a plurality of heat storage rods, wherein the heat preservation layer is arranged on the outer surface of the heating pipeline body, the positioning mesh cloth is wrapped on the outer surface of the heat preservation layer, the heat insulation pad is pressed into a wave shape, the heat storage rods are adhered in each arc-shaped concave position of the front surface and the back surface, part or all of the heat storage rods are provided with through holes and are provided with rectangular heat conduction rings in an inserting mode, the heat storage rods on the front surface and the back surface of the heat insulation pad are provided with the rectangular heat conduction rings, an inner and outer bidirectional heat source layer is formed by the heat insulation pad and the heat storage rods matching the rectangular heat conduction rings, the two ends of the inner and outer bidirectional heat source layer are in a butt joint and surround mode to form a ring shape, the outer surface, prefabricated tubular shell closely covers establishes outside at inside and outside bi-directional heat source layer, and two semicircle shells alternate respectively through the rectangle heat conduction ring that corresponds, makes rectangle heat conduction ring part stay to establish outside prefabricated tubular shell, establish two in advance the tight hoop is in two on the connection wing, the tight both ends of pretension hoop are equipped with the screw respectively relatively and have connect fastening bolt soon, through fastening bolt is with two connection wing fastening positions.

Compared with the prior art, the invention has the beneficial effects that: the invention covers the outside of the heating pipeline with a prefabricated tubular shell, and an inner and outer two-way heat source layer is additionally arranged between the prefabricated tubular shell and the heating pipeline, the inner and outer two-way heat source layers are formed by combining a heat insulation pad pressed into a wave shape and a heat storage rod, the heat storage rod is provided with a rectangular heat conduction ring, when the inner and outer two-way heat source layers are wound on the outside of the heating pipeline, the heat storage rod is automatically divided into two layers due to the wave shape of the heat insulation pad, the inner layer is positioned between the heat insulation pad and the heating pipeline, the outer layer is positioned between the heat insulation pad and the prefabricated tubular shell, the heat storage rods of the inner and outer layers are both provided with the rectangular heat conduction rings, external heat energy is stored by using the heat storage.

Drawings

FIG. 1 is a schematic sectional view of a pipe thermal insulator for heating according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an isometric view of the inner and outer dual thermal source layers of the present invention in an expanded state.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying 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 invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in figures 1 to 3, the invention discloses a heating pipeline thermal insulation device, which comprises a heating pipeline body 1, a thermal insulation layer 2, a positioning mesh cloth 3, a thermal insulation pad 4, a prefabricated tubular shell 6, a pre-tightening hoop 7 and a plurality of heat storage rods 5, wherein the thermal insulation layer 2 is arranged on the outer surface of the heating pipeline body 1, the positioning mesh cloth 3 is wrapped on the outer surface of the thermal insulation layer 2, the thermal insulation pad 4 is pressed into a wave shape, the heat storage rods 5 are fixedly adhered in the arc-shaped concave positions of the front and back surfaces of the thermal insulation pad 4, a part or all of the heat storage rods 5 are provided with through holes in the centers and are provided with rectangular heat conduction rings 5-1 in an inserting way, the rectangular heat conduction rings 5-1 are arranged on the heat storage rods 5 on the front and back surfaces of the thermal insulation pad 4, the heat insulation pad 4 and the heat storage rods 5 are matched with the rectangular heat conduction rings 5-1 to form an inner and outer dual-, the prefabricated tubular shell 6 comprises two semicircular shells which are hinged, the free ends of the two semicircular shells are respectively hinged with a connecting wing 6-1, the prefabricated tubular shell 6 is tightly covered outside an inner and outer bidirectional heat source layer, the two semicircular shells are respectively inserted through corresponding rectangular heat conducting rings 5-1, the rectangular heat conducting rings 5-1 are partially arranged outside the prefabricated tubular shell 6, the pre-tightening hoops 7 are hooped on the two connecting wings 6-1, the two ends of the pre-tightening hoops 7 are respectively and oppositely provided with screw holes and are screwed with fastening bolts 7-1, and the two connecting wings 6-1 are tightly fixed by the fastening bolts 7-1.

The second embodiment is as follows: as shown in fig. 2, in this embodiment, a cutting blade 8 is fixed to the bottom of the sidewall of the pre-tightening clamp 7 by a bolt, a cutting edge of the cutting blade 8 extends out of the pre-tightening clamp 7, and a receiving groove is provided on the outer wall of the corresponding semi-circular shell of the pre-fabricated tubular outer shell 6.

The third concrete implementation mode: as shown in fig. 3, this embodiment is further described with respect to the second embodiment, and the insulation pad 4 has cutting indentations 4-1 pressed uniformly between the peaks and the valleys.

The fourth concrete implementation mode: as shown in fig. 1, the present embodiment is further described with respect to the first embodiment, and the sum of the diameter of the heat storage rod 5 and the thickness of the heat insulating mat 4 is equal to the distance from the inner wall of the prefabricated tubular casing 6 to the outer surface of the heat insulating layer 2.

The fifth concrete implementation mode: as shown in fig. 1 and 3, this embodiment is a further description of the first embodiment, and the heat insulating mat 4 is made of asbestos fiber mat.

The sixth specific implementation mode: as shown in fig. 1 and 3, in the present embodiment, the first embodiment is further described, and the heat storage rod 5 is made of a heat storage ceramic material.

The seventh embodiment: as shown in fig. 1 and 3, this embodiment is further described as a first embodiment, and the rectangular heat conduction ring 5-1 is made of a material with high thermal conductivity.

The specific implementation mode is eight: as shown in fig. 1, this embodiment is further described as a first embodiment, and the inner wall of the prefabricated tubular outer shell 6 is provided with a graphene moisture-proof coating.

The specific implementation method nine: as shown in fig. 1 to 3, the present embodiment discloses a method of attaching a heating pipe thermal insulation device according to a third embodiment, including the steps of:

the method comprises the following steps: checking whether the heat-insulating layer 2 on the outer surface of the heating pipeline body 1 is free of leakage, repairing until no leakage exists if the heat-insulating layer 2 on the outer surface of the heating pipeline body 1 is free of leakage, and wrapping and positioning the heat-insulating layer 2 and the heating pipeline body 1 through positioning mesh cloth 3;

step two: the inner and outer dual-direction heat source layers and the prefabricated tubular shell 6 are prefabricated components according to the size of the heating pipeline body 1, the prefabricated tubular shell 6 is unfolded, the middle position of the heat insulation pad 4 is placed in the prefabricated tubular shell 6 through an opening, meanwhile, the free ends of the two semicircular shells are respectively inserted through the corresponding rectangular heat conduction rings 5-1 towards two sides until the inner and outer dual-direction heat source layers are attached to the inner wall of the prefabricated tubular shell 6, and then the redundant parts of the inner and outer dual-direction heat source layers are cut off through cutting indentations 4-1 by using a cutting blade 8;

step three: the prefabricated tubular shell 6 is tightly covered outside the heating pipeline body 1 together with the inner and outer bidirectional heat source layers, and the two connecting wings 6-1 are tightly fixed by the pre-tightening hoops 7.

It will be evident to those skilled in the art that the invention 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 invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pipeline heat preservation device for heating, includes heating pipeline body (1) and heat preservation (2), heating pipeline body (1) surface is equipped with heat preservation (2), its characterized in that: the heat-insulating device for the heating pipeline further comprises a positioning mesh cloth (3), a heat-insulating pad (4), a prefabricated tubular shell (6), a pre-tightening hoop (7) and a plurality of heat storage rods (5), wherein the positioning mesh cloth (3) is wrapped on the outer surface of the heat-insulating layer (2), the heat-insulating pad (4) is pressed into a wave shape, the heat storage rods (5) are fixedly arranged in arc-shaped concave positions on the front side and the back side, part or all of the heat storage rods (5) are provided with through holes in the center and are provided with rectangular heat conduction rings (5-1) in an inserting mode, the rectangular heat conduction rings (5-1) are arranged on the heat storage rods (5) on the front side and the back side of the heat-insulating pad (4), the heat-insulating pad (4) and the heat storage rods (5) are matched with the rectangular heat conduction rings (5-1) to form an inner and outer bi-directional heat source layer, two ends of the inner and, the prefabricated tubular shell (6) comprises two hinged semicircular shells, the free ends of the two semicircular shells are respectively hinged with a connecting wing (6-1), the prefabricated tubular shell (6) is tightly covered outside an inner and outer bidirectional heat source layer, the two semicircular shells are respectively inserted through corresponding rectangular heat conducting rings (5-1), the rectangular heat conducting rings (5-1) are partially reserved outside the prefabricated tubular shell (6), the two pre-tightening hoops (7) are hooped on the two connecting wings (6-1), the two ends of each pre-tightening hoop (7) are respectively and oppositely provided with screw holes and are screwed with fastening bolts (7-1), and the two connecting wings (6-1) are tightly fixed in position through the fastening bolts (7-1).

2. The pipe insulation apparatus for heating of claim 1, wherein: pre-tightening hoop (7) lateral wall bottom bolt fastening has cutting blade (8), pre-tightening hoop (7) is stretched out to the cutting edge of cutting blade (8), just semi-circular shell outer wall that prefabricated tubular shell (6) correspond sets the concave groove of accomodating that is equipped with.

3. The pipe insulation apparatus for heating of claim 2, wherein: cutting indentations (4-1) are uniformly distributed between the wave crests and the wave troughs of the heat insulation pad (4).

4. The pipe insulation apparatus for heating of claim 1, wherein: the sum of the diameter of the heat storage rod (5) and the thickness of the heat insulation pad (4) is equal to the distance from the inner wall of the prefabricated tubular shell (6) to the outer surface of the heat insulation layer (2).

5. The pipe insulation apparatus for heating of claim 1, wherein: the heat insulation pad (4) is made of asbestos fiber.

6. The pipe insulation apparatus for heating of claim 1, wherein: the heat storage rod (5) is made of a heat storage ceramic material.

7. The pipe insulation apparatus for heating of claim 1, wherein: the rectangular heat conducting ring (5-1) is made of a high-heat-conductivity material.

8. The pipe insulation apparatus for heating of claim 1, wherein: the inner wall of the prefabricated tubular shell (6) is provided with a graphene moisture-proof coating.

9. A method of installing the pipe insulation apparatus for heating according to claim 3, characterized in that: the installation method comprises the following steps:

the method comprises the following steps: checking whether the heat-insulating layer (2) on the outer surface of the heating pipeline body (1) has no leakage loss, repairing until no leakage loss exists if yes, and wrapping and positioning the heat-insulating layer (2) and the heating pipeline body (1) through positioning mesh cloth (3);

step two: the inner and outer dual heat source layers and the prefabricated tubular shell (6) are prefabricated components according to the size of the heating pipeline body (1), the prefabricated tubular shell (6) is opened, the middle position of the heat insulation pad (4) is arranged in the prefabricated tubular shell (6) through the opening, the free ends of the two semicircular shells penetrate through the corresponding rectangular heat conduction rings (5-1) towards two sides respectively until the inner and outer dual heat source layers are attached to the inner wall of the prefabricated tubular shell (6), and then the redundant parts of the inner and outer dual heat source layers are cut off through the cutting indentations (4-1) by using a cutting blade (8);

step three: the prefabricated tubular shell (6) is tightly covered outside the heating pipeline body (1) together with the internal and external bi-directional heat source layers, and the two connecting wings (6-1) are tightly fixed and positioned through the pre-tightening hoops (7).