CN219055076U

CN219055076U - Foaming device special for prefabricated directly-buried insulating pipe fitting

Info

Publication number: CN219055076U
Application number: CN202222680666.9U
Authority: CN
Inventors: 孟祥龙; 徐特; 徐树德; 徐立祥
Original assignee: Hebei Rongtai Pipeline Insulation Engineering Co ltd
Current assignee: Hebei Rongtai Pipeline Insulation Engineering Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-05-23
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a special foaming device for a prefabricated directly-buried insulating pipe fitting, which comprises a working steel pipe, wherein a connecting spring is arranged in a high-density polyethylene anti-corrosion layer, an inserting and buckling column is arranged at the outer side position of the connecting spring, a convex clamping block is arranged at the middle position of the front end of the high-density polyethylene anti-corrosion layer, a clamping strip block is arranged at the front end position of the convex clamping block, a plug is arranged at the front end of the clamping strip block, and the phenomenon that the connecting position of a pipeline is cracked due to the fact that the special foaming device for the prefabricated directly-buried insulating pipe fitting is unstable and is easy to deflect when being buried can be effectively avoided.

Description

Foaming device special for prefabricated directly-buried insulating pipe fitting

Technical Field

The utility model belongs to the technical field related to directly-buried heat-insulating pipes, and particularly relates to a foaming device special for a prefabricated directly-buried heat-insulating pipe fitting.

Background

The foaming heat-insulating pipe has good heat-insulating performance, the heat-insulating effect is improved by 4 to 9 times compared with other heat-insulating pipes, the heat loss is only 25 percent of that of the traditional pipe, a large amount of energy sources can be saved after long-term operation, the energy cost is obviously reduced, the heat-insulating layer material is hard polyurethane foam with the density of more than 60 kg/m < 3 >, the heat-insulating pipe has good mechanical performance and heat-insulating performance, the heat-insulating pipe can resist the temperature of 120 ℃ under normal conditions, and the heat-insulating pipe can resist the temperature of 180 ℃ through modification or combination with other heat-insulating materials. The foam fully fills the gap between the steel pipe and the outer protective pipe and has certain viscosity, so that the steel pipe, the outer protective pipe and the heat preservation form a firm whole, the product is widely applied to urban central heating and refrigeration engineering, the energy-saving effect is obvious, the construction and the installation are convenient, good economic benefit and social benefit are achieved, the foam has very strong waterproof and corrosion-resistant capabilities, no pipe ditch is required to be laid, the foam can be directly buried in the ground or soil, the construction is simple and rapid, the comprehensive cost is low, the occupied area is small, the foam also has good corrosion resistance and impact resistance under the low-temperature condition, and the foam can be directly buried in a frozen soil layer, because the special foaming device for the prefabricated direct-buried heat preservation pipe fitting is widely used at present, and the foam device special for the prefabricated direct-buried heat preservation pipe fitting is of great significance in improvement.

The existing foaming device technology special for the prefabricated directly-buried insulating pipe fitting has the following problems: the special foaming device technology for the prefabricated directly-buried insulating pipe fitting is unstable in placement and easy to deviate when buried, so that gaps appear at the joint of the pipelines.

Disclosure of Invention

The utility model aims to provide a foaming device special for a prefabricated directly-buried heat-insulating pipe fitting, which solves the problem that the existing foaming device special for the prefabricated directly-buried heat-insulating pipe fitting is unstable in placement and easy to deviate when buried, so that gaps appear at the joint of pipes.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the special foaming device for the prefabricated directly-buried insulating pipe fitting comprises a working steel pipe, wherein a polyurethane foam layer is arranged at the outer position of the working steel pipe, a high-density polyethylene anti-corrosion layer is arranged at the outer position of the polyurethane foam layer, a connecting spring is arranged inside the high-density polyethylene anti-corrosion layer, an inserting buckle column is arranged at the outer position of the connecting spring, a convex clamping block is arranged at the middle position of the front end of the high-density polyethylene anti-corrosion layer, a clamping strip block is arranged at the front end of the convex clamping block, a plug is arranged at the front end of the clamping strip block, a magic female paste is arranged at the left end of the high-density polyethylene anti-corrosion layer, a magic sub paste is arranged at the right end of the high-density polyethylene anti-corrosion layer, the working steel pipe is made of stainless steel materials, the normal flow of conveying media is ensured by the working steel pipe, the polyurethane foam layer is made of polyurethane, the polyurethane foam layer is resistant to high temperature, medium temperature is guaranteed, the surface of the outer protective tube is kept at normal temperature, the heat preservation of the inner working tube is guaranteed, foam is prevented from carbonization, the high-density polyethylene anti-corrosion layer is made of polyethylene materials, the high-density polyethylene anti-corrosion layer high-density polyethylene tube protects the elbow from corrosions and plant corrosion, the service life of the tube is prolonged, the clamping strip block and the protruding clamping block are of an integrated structure, the front end of the clamping strip block is provided with a threaded groove, the rear end of the cutting head is provided with a threaded column, the cutting head is rotationally connected to the clamping strip block through the threaded column at the rear end, the protruding clamping block is made of stainless steel materials and is connected to the high-density polyethylene anti-corrosion layer through a connecting spring, the surface of the magic mother patch is fine and soft fiber, the surface of the magic son patch is relatively hard thorn with a hook, and the magic mother patch and the magic son patch can be mutually adhered.

Preferably, the working steel pipe is made of stainless steel materials, and the working steel pipe ensures that conveying media normally flow.

Preferably, the polyurethane foam layer is made of polyurethane, and is high-temperature resistant, medium temperature is guaranteed, normal temperature of the surface of the outer protection pipe is guaranteed, heat preservation of the inner working pipe fitting is guaranteed, and the foam is prevented from carbonization.

Preferably, the high-density polyethylene anticorrosive layer is made of polyethylene materials, and the high-density polyethylene pipe of the high-density polyethylene anticorrosive layer protects the elbow from corrosions and plant corrosion, and prolongs the service life of the pipe fitting.

Preferably, the clamping strip block and the protruding clamping block are of an integrated structure, and a threaded groove is formed in the front end of the clamping strip block.

Preferably, the rear end of the cutting head is provided with a threaded column, and the cutting head is rotationally connected to the clamping bar block through the threaded column at the rear end.

Preferably, the protruding joint piece is made of stainless steel materials, and the protruding joint piece is connected to the high-density polyethylene anticorrosive coating through a connecting spring.

Preferably, the surface of the magic tape is fine and soft fiber, the surface of the magic sub-tape is relatively hard thorn with a hook, and the magic tape and the magic sub-tape can be mutually adhered.

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

1. according to the utility model, the middle position of the front end of the high-density polyethylene anticorrosive coating is provided with the protruding clamping block, the front end of the protruding clamping block is provided with the clamping block, the front end of the clamping block is provided with the cutting head, the clamping block and the protruding clamping block are of an integrated structure, the front end of the clamping block is provided with the threaded groove, the rear end of the cutting plug is provided with the threaded column, the cutting head is rotationally connected to the clamping block through the threaded column at the rear end, because the special foaming device technology for the prefabricated direct-buried insulating pipe is unstable and is prone to deflection when buried, a gap is formed at the joint of the pipeline, the leakage of the pipeline is caused, after improvement, a worker can clamp the protruding clamping block of the clamping block onto the high-density polyethylene anticorrosive coating, then the worker rotationally connects the cutting head to the clamping block, when the cutting head is buried, the worker inserts the cutting head into soil, the cutting head is rotationally connected to the clamping block, the cutting plug is enabled to be attached to the soil, the special foaming device for the prefabricated direct-buried insulating pipe is placed through the threaded column, the special foaming device is prone to the deformation when buried insulating pipe is placed, the special foaming device is prone to the sealing pipe, the sealing device is prone to leakage of the pipeline is prevented from being caused by the special foaming device when buried insulating pipe is buried by the special sealing device, and the special foaming device is prone to be connected to the sealing pipe.

2. According to the utility model, the connecting springs are arranged in the high-density polyethylene anti-corrosion layers, the inserting and buckling columns are arranged at the outer side positions of the connecting springs, the protruding clamping blocks are made of stainless steel materials, the protruding clamping blocks are connected to the high-density polyethylene anti-corrosion layers through the connecting springs, the high-density polyethylene anti-corrosion layers of the special foaming device technology for the prefabricated direct-buried heat insulation pipe fitting are usually connected through being directly attached to polyurethane foam when being rolled, but the connecting mode easily causes the high-density polyethylene anti-corrosion layers to fall off so as to protect pipelines, after improvement, workers roll the high-density polyethylene anti-corrosion layers to the polyurethane foam and then stir the inserting and buckling columns inwards, then buckle the high-density polyethylene anti-corrosion layers together, because the inner sides of the inserting and buckling columns are connected with the connecting springs, the inserting and buckling columns can move outwards to buckle the high-density polyethylene anti-corrosion layers under the action of the connecting springs, and the phenomenon that the high-density polyethylene anti-corrosion layers fall off can be effectively caused by adding the inserting and buckling columns with the connecting springs so as to protect the pipelines.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a foaming device special for a prefabricated directly buried insulating pipe fitting;

FIG. 2 is a schematic diagram of a cross-sectional structure of a connecting spring of a foaming device special for a prefabricated directly buried insulating pipe fitting;

FIG. 3 is a schematic diagram of the structure of the position of the clamping bar block of the special foaming device for the prefabricated directly buried insulating pipe fitting;

in the figure: 1. a high density polyethylene corrosion protection layer; 2. magic mother plaster; 3. clamping the bar block; 4. a skewer plug; 5. a polyurethane foam layer; 6. working steel pipes; 7. magic tape; 8. inserting a buckling column; 9. a convex clamping block; 10. and a connecting spring.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a special foaming device of prefabricated direct buries insulating tube heat preservation pipe fitting, including work steel pipe 6, the outside position department of work steel pipe 6 is provided with polyurethane foam layer 5, the outside position department of polyurethane foam layer 5 is provided with high density polyethylene anticorrosive coating 1, the inside of high density polyethylene anticorrosive coating 1 is provided with coupling spring 10, coupling spring 10's outside position department is provided with grafting buckle post 8, the front end intermediate position department of high density polyethylene anticorrosive coating 1 is provided with protruding joint piece 9, the front end position department of protruding joint piece 9 is provided with joint strip piece 3, the front end of joint strip piece 3 is provided with cuttage head 4, the left end position department of high density polyethylene anticorrosive coating 1 is provided with female subsides 2 of magic, the right-hand member position department of high density polyethylene anticorrosive coating 1 is provided with magic sub-subsides 7.

The working steel pipe 6 is made of stainless steel materials, the working steel pipe 6 ensures that conveying media normally flow, the polyurethane foam layer 5 is made of polyurethane, the polyurethane foam layer 5 is high-temperature resistant, medium temperature is guaranteed, the surface of the outer protective pipe is kept at normal temperature, the inner working pipe fitting is kept warm, foam is prevented from being carbonized, the high-density polyethylene anticorrosive layer 1 is made of polyethylene materials, the high-density polyethylene anticorrosive layer 1 is used for protecting the elbow from corrosions and plant corrosion, and the service life of the pipe fitting is prolonged.

When the heat-insulating foamed pipe works, the heat-insulating performance of the heat-insulating foamed pipe is good, the heat-insulating effect is improved by four to nine times compared with other heat-insulating pipes, the heat loss is twenty-five percent of that of the traditional pipe, a large amount of energy sources can be saved after long-term operation, the energy cost is obviously reduced, the heat-insulating layer material is hard polyurethane foam with the density of more than sixty kilograms per cubic centimeter, and the heat-insulating foamed pipe has good mechanical property and heat-insulating property.

The joint strip piece 3 and protruding joint piece 9 are integrated into one piece structure, and the front end of joint strip piece 3 is provided with the screw thread recess, and the rear end of grafting plug 4 is provided with the screw thread post, and the cutting head 4 is connected to on the joint strip piece 3 through the screw thread post rotation of rear end.

During operation, because the special foaming device technology of prefabricated direct burial insulation pipe fitting places unstable easy emergence skew and then leads to the gap to appear in pipeline junction when burying, the phenomenon that leads to the pipeline to reveal takes place, through improving the back, the staff can be with the protruding joint piece 9 joint of joint strip piece 3 on high density polyethylene anticorrosive coating 1, then the staff rotates joint to joint strip piece 3 with the grafting 4, when placing burying, the staff places in grafting 4 earth, cuttage head 4 and earth laminating, cuttage head 4 can make the special foaming device of prefabricated direct burial insulation pipe fitting place more stable, place unstable easy emergence skew and then lead to the pipeline junction to appear the gap through adding the joint strip piece 3 that has cuttage head 4, can effectually avoid its special foaming device of prefabricated direct burial insulation pipe fitting to place when burying, the phenomenon that leads to the pipeline to leak takes place.

The protruding joint piece 9 is the stainless steel material preparation, and protruding joint piece 9 is connected to high density polyethylene anticorrosive coating 1 through coupling spring 10 on, and the female surface of pasting 2 of magic is tiny soft fibre, and the female surface of pasting 7 of magic is the thorn hair of harder area hook, and female subsides 2 of magic and the female subsides 7 of magic can bond each other.

During operation, because the high-density polyethylene anticorrosive coating 1 of prefabricated direct burial insulating tube special foaming device technology of insulating tube is connected through directly laminating to the polyurethane foam when carrying out the book cover, but this kind of connected mode very easily leads to high-density polyethylene anticorrosive coating 1 to drop and then leads to its guard action to the pipeline, through improving the back, the staff is rolled up high-density polyethylene anticorrosive coating 1 and is stirred grafting buckle post 8 inboard behind the polyurethane foam, then with high-density polyethylene anticorrosive coating 1 lock joint to a piece, because grafting buckle post 8 inboard is connected with coupling spring 10, under coupling spring 10's effect, grafting buckle post 8 can outwards remove and link up high-density polyethylene anticorrosive coating 1, can effectually density polyethylene anticorrosive coating drop and then lead to its phenomenon to the guard action to the pipeline through adding grafting buckle post 8 that has coupling spring 10 to take place.

The working principle and the using flow of the utility model are as follows: after the utility model is installed, because the high-density polyethylene anticorrosive coating 1 of the special foaming device technology for the prefabricated direct-buried insulating pipe fitting is connected by being directly attached to polyurethane foam when being rolled, but the connecting mode is easy to lead the high-density polyethylene anticorrosive coating 1 to fall off and further lead the high-density polyethylene anticorrosive coating 1 to protect the pipe fitting, after the improvement, a worker rolls the high-density polyethylene anticorrosive coating 1 on the polyurethane foam and then dials the inserting buckle column 8 inwards, then buckles the high-density polyethylene anticorrosive coating 1 to one block, because the connecting spring 10 is connected to the inner side of the inserting buckle column 8, the inserting buckle column 8 can outwards move to buckle the high-density polyethylene anticorrosive coating 1 under the action of the connecting spring 10, the plugging buckle column 8 with the connecting spring 10 can effectively lead to the falling of the density polyethylene anticorrosive layer and the protection effect of the plugging buckle column on the pipeline, because the special foaming device technology for the prefabricated direct-buried insulating pipe fitting is unstable in placement and is easy to deviate when being buried, the joint of the pipeline is caused to generate gaps, the leakage of the pipeline is caused, after improvement, a worker can clamp the convex clamping block 9 of the clamping strip block 3 onto the high-density polyethylene anticorrosive layer 1, then the worker rotationally connects the plug 4 onto the clamping strip block 3, the worker inserts the plug 4 into soil for placement when placing and burying, the plug 4 is attached to the soil, the plug 4 can lead the special foaming device for the prefabricated direct-buried insulating pipe fitting to be placed more stably, the special foaming device for the prefabricated directly-buried heat-insulating pipe fitting can be effectively prevented from being placed unstably and being prone to deflection when being buried by adding the clamping strip block 3 with the cutting head 4, so that gaps appear at the joint of the pipe, the leakage phenomenon of the pipe is caused, the heat-insulating performance of the foaming heat-insulating pipe is good, the heat-insulating effect is improved by four to nine times compared with other heat-insulating pipes, the heat loss is twenty-five percent of the traditional pipe, a large amount of energy can be saved after long-term operation, the energy cost is obviously reduced, the heat-insulating layer material is hard polyurethane foam with the density of more than sixty kilograms per cubic centimeter, the foaming device has good mechanical property and heat-insulating property, and workers can bury the foaming heat-insulating pipe fitting after placement is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Special foaming device of prefabricated direct burial insulating tube heat preservation pipe fitting, including work steel pipe (6), its characterized in that: the novel high-density polyethylene anti-corrosion coating is characterized in that a polyurethane foam layer (5) is arranged at the outer position of the working steel pipe (6), a high-density polyethylene anti-corrosion layer (1) is arranged at the outer position of the polyurethane foam layer (5), a connecting spring (10) is arranged inside the high-density polyethylene anti-corrosion layer (1), an inserting and buckling column (8) is arranged at the outer position of the connecting spring (10), a protruding clamping block (9) is arranged at the middle position of the front end of the high-density polyethylene anti-corrosion layer (1), a clamping strip block (3) is arranged at the front end position of the protruding clamping block (9), a plug (4) is arranged at the front end of the clamping strip block (3), a magic female patch (2) is arranged at the left end position of the high-density polyethylene anti-corrosion layer (1), and a magic sub patch (7) is arranged at the right end position of the high-density polyethylene anti-corrosion layer (1).

2. The foaming device special for the prefabricated directly-buried insulating pipe fitting according to claim 1, which is characterized in that: the working steel pipe (6) is made of stainless steel materials, and the working steel pipe (6) ensures that conveying media normally flow.

3. The foaming device special for the prefabricated directly-buried insulating pipe fitting according to claim 1, which is characterized in that: the polyurethane foam layer (5) is made of polyurethane, the polyurethane foam layer (5) is high-temperature resistant, medium temperature is guaranteed, the surface of the outer protection pipe is kept at normal temperature, the inner working pipe is insulated, and the foam is prevented from carbonization.

4. The foaming device special for the prefabricated directly-buried insulating pipe fitting according to claim 1, which is characterized in that: the high-density polyethylene anticorrosive layer (1) is made of polyethylene materials, and the high-density polyethylene anticorrosive layer (1) protects the elbow from corrosions and plant corrosion, and prolongs the service life of the pipe fitting.

5. The foaming device special for the prefabricated directly-buried insulating pipe fitting according to claim 1, which is characterized in that: the clamping strip block (3) and the protruding clamping block (9) are of an integrated structure, and a threaded groove is formed in the front end of the clamping strip block (3).

6. The foaming device special for the prefabricated directly-buried insulating pipe fitting according to claim 1, which is characterized in that: the rear end of the cutting head (4) is provided with a threaded column, and the cutting head (4) is rotationally connected to the clamping bar (3) through the threaded column at the rear end.

7. The foaming device special for the prefabricated directly-buried insulating pipe fitting according to claim 1, which is characterized in that: the protruding joint piece (9) is made of stainless steel materials, and the protruding joint piece (9) is connected to the high-density polyethylene anticorrosive coating (1) through a connecting spring (10).

8. The foaming device special for the prefabricated directly-buried insulating pipe fitting according to claim 1, which is characterized in that: the surface of the magic mother patch (2) is fine and soft fiber, the surface of the magic son patch (7) is relatively hard thorn with a hook, and the magic mother patch (2) and the magic son patch (7) can be adhered to each other.