CN216158599U

CN216158599U - Novel direct-buried prefabricated steam heat-preservation pipe

Info

Publication number: CN216158599U
Application number: CN202122145156.7U
Authority: CN
Inventors: 郭丰伟
Original assignee: Hebei Xinruide Pipeline Equipment Co ltd
Current assignee: Hebei Xinruide Pipeline Equipment Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a novel direct-buried prefabricated steam heat-insulating pipe, which comprises an inner connecting pipe and a heat-insulating layer, wherein the heat-insulating layer is arranged on the periphery of the inner connecting pipe, a reflecting layer is arranged on the periphery of the heat-insulating layer, an outer protecting pipe is arranged on the periphery of the reflecting layer, a supporting rod is arranged between the reflecting layer and the outer protecting pipe, a fixing device is arranged on the outer side of the supporting rod, the heat-insulating layer is more conveniently and tightly wound at a joint by arranging the fixing device on the supporting rod of the device, the fixing device consists of a fixing seat, an auxiliary needle, a fixing frame and a fixing hole, the fixing seat is provided with the fixing hole, the lower end of the auxiliary needle is positioned in the fixing hole on the fixing seat, the auxiliary needle can rotate in the fixing hole, the auxiliary needle can be placed in the fixing frame through slight elastic bending of the auxiliary needle when the auxiliary needle is not used, the operation of a worker cannot be influenced, and one end of the heat-insulating layer at the joint is fixed firstly, the back surface is more convenient and compact when being wound with the heat insulation layer.

Description

Novel direct-buried prefabricated steam heat-preservation pipe

Technical Field

The utility model belongs to the technical field related to steam heat-insulating pipes, and particularly relates to a novel directly-buried prefabricated steam heat-insulating pipe.

Background

The steam heat-insulating pipe is a heat-insulating and cold-insulating material. The steam heat-insulating pipe is composed of an outer protective layer, a heat-insulating layer and an anti-leakage layer, the outer protective layer is made of polyethylene jacket pipes or glass fiber reinforced plastics or other materials, the steam heat-insulating pipe is suitable for conveying various media within the temperature range of more than 150 ℃, and the steam heat-insulating pipe is widely applied to heat-insulating and cold-insulating engineering of the industries such as central heating, cold supply and hot oil conveying, heating rooms, cold storages, coal mines, petroleum, chemical engineering and the like.

The existing direct-buried prefabricated steam heat-preservation pipe technology has the following problems: present prefabricated steam insulating tube of direct-burried when using, need bury steam insulating tube underground and use underground, when steam insulating tube connects, need be with the inner union coupling welded fastening of two steam insulating tubes, the heat preservation seals on winding the junction outer wall of two steam insulating tubes, and when winding the heat preservation, because the diameter of inner union coupling is great, make the heat preservation be difficult to the winding when the winding, probably can make the heat preservation after the winding pine, thereby reduce the heat preservation effect of seam crossing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel direct-buried prefabricated steam heat-insulating pipe, which aims to solve the problems that the diameter of an inner connecting pipe is larger, so that a heat-insulating layer is not easy to wind during winding, the wound heat-insulating layer is likely to be looser, and the heat-insulating effect at a joint is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel prefabricated steam insulating tube of direct-burried, includes inner union pipe and heat preservation, the periphery of inner union pipe is provided with the heat preservation, the periphery of heat preservation is provided with the reflection stratum, the periphery of reflection stratum is provided with the outer pillar, be provided with the bracing piece between reflection stratum and the outer pillar, the outside of bracing piece is provided with fixing device, fixing device comprises fixing base, supplementary needle, mount and fixed orifices, be provided with the fixed orifices on the fixing base, the inside supplementary needle that is provided with in fixing base upper end, the lower extreme of supplementary needle runs through the inside at the fixed orifices, the upside of fixing base is provided with the mount, the upper end of supplementary needle is located the inboard of mount.

Preferably, the cross-sectional shapes of the inner connecting pipe, the heat insulating layer, the reflecting layer and the outer protecting pipe are all circular rings, and two ends of the supporting rod are respectively welded and fixed with the outer wall of the inner connecting pipe and the inner wall of the outer protecting pipe.

Preferably, the reflecting layer is of a structure made of an aluminum foil material, and the insulating layer is of a structure made of polyurethane foam.

Preferably, the left side and the right side between the inner connecting pipe and the outer protecting pipe are provided with six supporting rods.

Preferably, the fixing seat, the auxiliary needle and the fixing frame are all structures made of metal materials, and the fixing seat and the fixing frame are fixed with the supporting rod in a welding mode.

Preferably, the fixing seat is provided with two fixing holes, and the cross section of the fixing frame is L-shaped.

Preferably, the auxiliary needle can rotate in a fixed hole on the fixed seat, and the auxiliary needle can rotate ninety degrees at most.

Compared with the prior art, the utility model provides a novel direct-buried prefabricated steam heat-preservation pipe, which has the following beneficial effects:

1. this prefabricated steam insulating tube of direct-burried through the cooperation of fixing base and supplementary needle, makes supplementary needle insert in the insulating layer, is encircleing the inner union coupling with the insulating layer and twines, just so can make the winding inseparabler of insulating layer.

2. This prefabricated steam insulating tube of direct-burried, through the cooperation of auxiliary needle and mount, make the auxiliary needle when not using, put into the mount through the slight elastic bending of self, can not influence workman's operation.

The utility model enables the joint to be wound with the heat insulation layer more conveniently and tightly by arranging the fixing device on the supporting rod of the device, the fixing device consists of a fixing seat, an auxiliary needle, a fixing frame and a fixing hole, the fixing seat is provided with the fixing hole, the lower end of the auxiliary needle is positioned in the fixing hole on the fixing seat, the auxiliary needle can rotate in the fixing hole, when the auxiliary needle is not used, can be put into the fixing frame through slight elastic bending of the fixing frame, the operation of workers is not influenced, one end of the heat-insulating layer at the joint is fixed firstly, the heat-insulating layer is more convenient and compact to wind at the back, when the auxiliary needle is used, after the inner pipes of the two pipelines are welded, the auxiliary needle is pushed outwards in the fixing frame, the auxiliary needle rotates ninety degrees in the fixing hole in the fixing frame and is parallel to the pipelines, and the insulating layer is sleeved on the auxiliary needle and is wound around the inner pipes.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic view of an appearance structure of a novel directly-buried prefabricated steam heat-preservation pipe provided by the utility model;

FIG. 2 is a schematic structural view of a front section of a novel directly-buried prefabricated steam heat-insulating pipe provided by the utility model;

FIG. 3 is a schematic structural view of a novel directly-buried prefabricated steam insulation pipe fixing device provided by the utility model;

FIG. 4 is a schematic view of a rotary structure of the novel fixing device for the directly-buried prefabricated steam insulation pipe provided by the utility model;

in the figure: 1. an inner connecting pipe; 2. a support bar; 3. a fixing device; 4. a heat-insulating layer; 5. a reflective layer; 6. an outer protecting pipe; 7. a fixed seat; 8. an auxiliary needle; 9. a fixed mount; 10. and (7) fixing holes.

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.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel prefabricated steam insulating tube of direct-burried, including inner joint pipe 1 and heat preservation 4, the periphery of inner joint pipe 1 is provided with heat preservation 4, the periphery of heat preservation 4 is provided with reflection stratum 5, the periphery of reflection stratum 5 is provided with outer pillar 6, be provided with bracing piece 2 between reflection stratum 5 and the outer pillar 6, the outside of bracing piece 2 is provided with fixing device 3, fixing device 3 is by fixing base 7, supplementary needle 8, mount 9 and fixed orifices 10 are constituteed, be provided with fixed orifices 10 on the fixing base 7, the inside supplementary needle 8 that is provided with in fixing base 7 upper end, the lower extreme of supplementary needle 8 runs through the inside at fixed orifices 10, the upside of fixing base 7 is provided with mount 9, the upper end of supplementary needle 8 is located the inboard of mount 9.

Example two

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a novel prefabricated steam insulating tube of direct-burried, inner union coupling 1, heat preservation 4, the cross sectional shape of reflection stratum 5 and outer pillar 6 is ring shape, 2 both ends of bracing piece respectively with inner union coupling 1's outer wall and outer pillar 6's inner wall welded fastening, welded mode can make more fixed between the component, reflection stratum 5 is the structure that the aluminium foil material constitutes, heat preservation 4 is the structure that polyurethane foam constitutes, can make inside temperature can not the outdiffusion like this, the left and right sides between inner union coupling 1 and the outer pillar 6 all is provided with bracing piece 2, bracing piece 2 is provided with six altogether, it can make between inner union coupling 1 and the outer pillar 6 more firm to set up like this.

EXAMPLE III

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel prefabricated steam insulating tube of direct-burried, fixing base 7, supplementary needle 8 and mount 9 are the structure that the metal material constitutes, the metal material can make the component more durable, fixing base 7 and mount 9 all adopt the welded mode to fix with bracing piece 2, the welded mode can make more fixed between the component, be provided with two fixed orificess 10 on the fixing base 7 altogether, mount 9's cross sectional shape is L shape, it can make supplementary needle 8 convenient fixed and installation to set up like this, supplementary needle 8 can rotate in fixed orifices 10 on fixing base 7, supplementary needle 8 is the biggest rotatable ninety degrees, it can make things convenient for heat preservation and supplementary needle 8's fixed to set up like this.

The working principle and the using process of the utility model are as follows: after the steam insulation pipe is installed, the steam insulation pipes are placed in a trench dug on the ground, the inner connecting pipes 1 of the two steam insulation pipes are welded and fixed, after the steam insulation pipes are fixed, the upper ends of the auxiliary needles 8 are pushed in the fixing frames 9, the auxiliary needles 8 are slightly bent until the auxiliary needles 8 are separated from the fixing frames 9, the lower ends of the auxiliary needles 8 rotate in the fixing holes 10 in the fixing seats 7 until the auxiliary needles 8 rotate to be parallel to the inner connecting pipes 1, the heat insulation layer 4 is sleeved on the auxiliary needles 8 and wound on the outer wall of the inner connecting pipes 1, so that the heat insulation layer 4 can be wound more conveniently and tightly, when the steam works, the heat is stored in the inner connecting pipes 1 by the heat insulation layer 4 and the reflection layer 5, the heat cannot be dissipated, and the outer protective pipe 6 on the outer portion can protect the whole steam pipe.

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. The utility model provides a novel prefabricated steam insulating tube of direct-burried, includes that inner union coupling (1) and heat preservation (4), its characterized in that: the periphery of the inner connecting pipe (1) is provided with a heat-insulating layer (4), the periphery of the heat-insulating layer (4) is provided with a reflecting layer (5), an outer protective pipe (6) is arranged on the periphery of the reflecting layer (5), a support rod (2) is arranged between the reflecting layer (5) and the outer protective pipe (6), the outer side of the supporting rod (2) is provided with a fixing device (3), the fixing device (3) consists of a fixing seat (7), an auxiliary needle (8), a fixing frame (9) and a fixing hole (10), a fixing hole (10) is arranged on the fixing seat (7), an auxiliary needle (8) is arranged inside the upper end of the fixing seat (7), the lower end of the auxiliary needle (8) penetrates through the inside of the fixing hole (10), a fixing frame (9) is arranged on the upper side of the fixing seat (7), and the upper end of the auxiliary needle (8) is located on the inner side of the fixing frame (9).

2. The novel direct-buried prefabricated steam insulation pipe as claimed in claim 1, wherein: the cross-sectional shapes of the inner connecting pipe (1), the heat insulating layer (4), the reflecting layer (5) and the outer protecting pipe (6) are all circular rings, and two ends of the supporting rod (2) are respectively welded and fixed with the outer wall of the inner connecting pipe (1) and the inner wall of the outer protecting pipe (6).

3. The novel direct-buried prefabricated steam insulation pipe as claimed in claim 1, wherein: the reflecting layer (5) is of a structure made of aluminum foil materials, and the heat-insulating layer (4) is of a structure made of polyurethane foam.

4. The novel direct-buried prefabricated steam insulation pipe as claimed in claim 1, wherein: the left side and the right side between the inner connecting pipe (1) and the outer protecting pipe (6) are provided with supporting rods (2), and the number of the supporting rods (2) is six.

5. The novel direct-buried prefabricated steam insulation pipe as claimed in claim 1, wherein: the fixing seat (7), the auxiliary needle (8) and the fixing frame (9) are all structures formed by metal materials, and the fixing seat (7) and the fixing frame (9) are fixed with the supporting rod (2) in a welding mode.

6. The novel direct-buried prefabricated steam insulation pipe as claimed in claim 1, wherein: the fixing seat (7) is provided with two fixing holes (10), and the cross section of the fixing frame (9) is L-shaped.

7. The novel direct-buried prefabricated steam insulation pipe as claimed in claim 1, wherein: the auxiliary needle (8) can rotate in a fixing hole (10) on the fixing seat (7), and the auxiliary needle (8) can rotate ninety degrees at most.