CN219361950U - Shell of PIR pipe - Google Patents

Abstract

The utility model relates to the technical field of pipe shells and discloses a pipe shell of a PIR pipe, which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell form a round shape, the PIR pipe is arranged in the upper shell and the lower shell, heat insulation layers are fixedly arranged on the inner wall of the upper shell and the inner wall of the lower shell, mounting blocks are fixedly arranged on two sides of the upper shell, mounting rings are fixedly arranged on two sides of the lower shell, an elastic rod is fixedly arranged at the bottom of the mounting blocks, and the lower end of the elastic rod penetrates through the inside of the mounting rings and is fixedly provided with a clamping block. According to the utility model, the pipe shell is arranged to be split, so that the pipe shell is convenient to be directly installed on the PIR pipe, and the disassembly and assembly efficiency of the pipe shell is improved.

Description

Shell of PIR pipe

Technical Field

The utility model relates to the technical field of pipe shells, in particular to a pipe shell of a PIR pipe.

Background

At present, when LNG (liquefied natural gas) is transported, a pipe shell is required to be arranged on the pipe wall of a PIR pipe, and the pipe shell is used for insulating LNG in the PIR pipe.

Wherein patent number is CN218378370U, discloses a heat preservation tube shell for PIR pipe, includes: the heat-insulating shell and the circulating heat-insulating pipe are arranged on the inner side of the heat-insulating shell, and the circulating heat-insulating pipe is embedded in the inner wall of the heat-insulating shell; the heat-insulating shell is suitable for being sleeved on the PIR pipe; the circulating heat-insulating pipe is attached to the PIR pipe; the circulation heat preservation pipe is internally suitable for circulating heat preservation liquid.

The heat preservation shell that adopts in above-mentioned scheme is integrated into one piece, need insert the heat preservation shell from the one end of PIR pipe at the in-process of installation, can not directly detain on the pipe wall of PIR pipe to lead to heat preservation shell's availability factor greatly reduced. For this purpose, a shell of PIR tube is proposed.

Disclosure of Invention

The utility model aims to solve the problem that the shell and tube of a PIR tube are inconvenient to assemble and disassemble in the prior art.

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

the utility model provides a shell of PIR pipe, includes casing and lower casing, it is circular with the lower casing to go up the casing, and go up the inside of casing and lower casing and be equipped with the PIR pipe, the inner wall of going up the casing and the inner wall of lower casing are all fixed and are equipped with the heat preservation, the both sides of going up the casing are all fixed and are equipped with the installation piece, the both sides of lower casing are all fixed and are equipped with the collar, the bottom of installation piece is fixed and is equipped with the elastic rod, and the lower extreme of elastic rod passes the inside of collar and is fixed and be equipped with the joint piece.

Preferably, the clamping blocks adopt trapezoid blocks, and the inclined surfaces of the clamping blocks are distributed downwards.

Preferably, the elastic rod is a nylon rod.

Preferably, the supporting legs are fixedly arranged on the two sides of the top of the upper shell and the two sides of the bottom of the lower shell, and one side, which is contacted with the ground, of the supporting legs is an arc-shaped end face.

Preferably, the number of the mounting blocks and the number of the mounting rings are four, and are respectively arranged at four corners of the upper shell and four corners of the lower shell.

Preferably, the heat-insulating layer is a polyurethane layer.

Preferably, the upper shell and the lower shell are of arc structures, and the upper shell and the lower shell are attached to and wrapped on the pipe wall of the PIR pipe.

Compared with the prior art, the utility model provides a shell of a PIR pipe, which has the following beneficial effects:

1. this PIR pipe's shell, through last casing and the lower casing that is equipped with, and go up casing and lower casing parcel respectively in PIR pipe's top and bottom, installation piece, collar, elastic rod and the joint piece of casing both sides down are gone up to the rethread, and the elastic rod can insert in the inside of collar, and rethread joint piece sets up with the collar joint to can be with last casing and lower casing firm connection and parcel on PIR pipe's pipe wall.

2. This PIR pipe's shell through the heat preservation that sets up on last shells inner wall and lower shells inner wall, and the laminating of heat preservation sets up on PIR pipe's pipe wall, can play the heat preservation effect to the inside LNG of PIR pipe.

3. The shell of the PIR pipe can form a stable supporting structure through the supporting legs arranged on the upper shell and the lower shell, and the supporting legs on two sides can be stably supported.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the pipe shell is arranged to be separated, the pipe shell is convenient to be directly arranged on the PIR pipe, and the service efficiency of the pipe shell is improved.

Drawings

Fig. 1 is a schematic structural diagram of a shell of a PIR tube according to the present utility model;

FIG. 2 is a schematic view of the mounting block, mounting ring and spring rod of FIG. 1;

fig. 3 is a top view of the upper housing of fig. 1.

In the figure: 1. an upper housing; 2. a lower housing; 3. PIR tube; 4. a heat preservation layer; 5. a mounting block; 6. a mounting ring; 7. an elastic rod; 8. a clamping block; 9. and supporting the feet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-2, a shell of a PIR tube comprises an upper shell 1 and a lower shell 2, wherein the upper shell 1 and the lower shell 2 form a circle, the upper shell 1 and the lower shell 2 are of arc structures, the upper shell 1 and the lower shell 2 are adhered and wrapped on the tube wall of the PIR tube 3, the PIR tube 3 is arranged in the upper shell 1 and the lower shell 2, a heat preservation layer 4 is fixedly arranged on the inner wall of the upper shell 1 and the inner wall of the lower shell 2, the heat preservation layer 4 adopts a polyurethane layer, the heat preservation performance of polyurethane materials is good, and the heat preservation effect is achieved on LNG in the PIR tube 3; the both sides of going up casing 1 are all fixed and are equipped with installation piece 5, the both sides of lower casing 2 are all fixed and are equipped with collar 6, the fixed elastic rod 7 that is equipped with in bottom of installation piece 5, and the lower extreme of elastic rod 7 passes the inside of collar 6 and is fixed and be equipped with joint piece 8, joint piece 8 adopts trapezoidal piece, and joint piece 8's inclined plane distributes down and sets up, elastic rod 7 adopts 612 nylon pole, 612 nylon material's elasticity is better for the phenomenon of rupture can not appear in elastic rod 7, the number of installation piece 5 and the number of collar 6 are four, and set up respectively in the four corners department of last casing 1 and the four corners department of lower casing 2, can be with last casing 1 and the four corners firm connection of lower casing 2, improve the steadiness of setting on PIR pipe 3.

Example 2

Referring to fig. 1 and 3, the two sides of the top of the upper case 1 and the two sides of the bottom of the lower case 2 are fixedly provided with supporting feet 9, and one side of the supporting feet 9 contacting with the ground is an arc-shaped end surface, and the supporting feet 9 on the two sides can form a stable supporting structure, so that the PIR tube 3 can be stably supported.

In the utility model, when in use, a worker can directly place the lower shell 2 at the bottom of the PIR pipe 3, then place the upper shell 1 above the PIR pipe 3, when the upper shell 1 is pressed down to be matched with the lower shell 2, the elastic rods 7 at two sides are correspondingly inserted into the mounting ring 6, meanwhile, the clamping blocks 8 are extruded by the inner wall of the mounting ring 6, so that the elastic rods 7 deform, and when the clamping blocks 8 completely cross the mounting ring 6, the elastic rods 7 quickly reset and are clamped with the mounting ring 6 through the clamping blocks 8, so that the upper shell 1 and the lower shell 2 can be connected into a whole and wrapped on the pipe wall of the PIR pipe 3, and as the inner walls of the upper shell 1 and the lower shell 2 are provided with the heat preservation layer 4, the heat preservation layer 4 adopts a polyurethane layer, and the LNG inside the PIR pipe 3 can be subjected to heat preservation.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a shell of PIR pipe, includes casing (1) and inferior valve body (2), its characterized in that, go up casing (1) and inferior valve body (2) and constitute circularly, and go up the inside of casing (1) and inferior valve body (2) and be equipped with PIR pipe (3), the inner wall of going up casing (1) and the inner wall of inferior valve body (2) are all fixed and are equipped with heat preservation (4), the both sides of going up casing (1) are all fixed and are equipped with installation piece (5), the both sides of inferior valve body (2) are all fixed and are equipped with collar (6), the bottom of installation piece (5) is fixed and is equipped with elastic rod (7), and the inside that the lower extreme of elastic rod (7) passed collar (6) is equipped with joint piece (8) and is fixed.

2. The PIR tube shell according to claim 1, wherein the clamping blocks (8) are trapezoidal blocks, and inclined surfaces of the clamping blocks (8) are arranged in a downward distribution manner.

3. A PIR tube envelope according to claim 1, characterized in that the elastic rod (7) is a 612 nylon rod.

4. The PIR tube shell according to claim 1, wherein supporting feet (9) are fixedly arranged on both sides of the top of the upper shell (1) and both sides of the bottom of the lower shell (2), and one side of the supporting feet (9) contacting the ground is an arc-shaped end surface.

5. A PIR tube shell according to claim 1, characterized in that the number of mounting blocks (5) and the number of mounting rings (6) are four and are arranged at the four corners of the upper housing (1) and the four corners of the lower housing (2), respectively.

6. A PIR tube shell according to claim 1, characterized in that the heat-insulating layer (4) is a polyurethane layer.

7. The PIR tube shell according to claim 1, wherein the upper shell (1) and the lower shell (2) are of arc structures, and the upper shell (1) and the lower shell (2) are attached to and wrapped on the tube wall of the PIR tube (3).