CN213177306U

CN213177306U - Combined heat-insulating pipe fitting for prefabricated direct-buried heat-insulating pipeline

Info

Publication number: CN213177306U
Application number: CN202021987289.8U
Authority: CN
Inventors: 耿福亮; 刘振立; 高立明; 常君
Original assignee: Beijing Huaneng Thermal Insulation Engineering Co ltd
Current assignee: Beijing Huaneng Thermal Insulation Engineering Co ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2021-05-11
Anticipated expiration: 2030-09-12

Abstract

The utility model relates to the technical field related to heat preservation pipe fittings, in particular to a combined heat preservation pipe fitting for a prefabricated direct-buried heat preservation pipeline, which can effectively avoid overhigh local temperature of a heat supply pipe network and the occurrence of the phenomenon of deformation and even tearing of an outer protecting pipe, improves the reliability of the heat preservation pipe fitting, can play the dustproof and waterproof effects and improves the practicability of the heat preservation pipe fitting, and comprises a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is fixedly connected with a first inner pipe, a first preheating pipe, a first heat preservation layer and a first outer protecting pipe from inside to outside in sequence, the inner top end of the first heat preservation layer is fixedly connected with a first detector, the left end of the first detector is fixedly connected with a first alarm wire, the second connecting pipe is fixedly connected with a second inner pipe, a second preheating pipe, a second heat preservation layer and a second outer protecting pipe from inside to outside in sequence, and the inner top end, the right end of the second detector is fixedly connected with a second alarm line.

Description

Combined heat-insulating pipe fitting for prefabricated direct-buried heat-insulating pipeline

Technical Field

The utility model relates to a relevant technical field of heat preservation pipe fitting specifically is prefabricated direct-burried heat preservation pipeline is with combination heat preservation pipe fitting.

Background

As is well known, a thermal insulation pipe is a short term for a thermal insulation pipeline, and is used for the transportation of liquid, gas and other media and thermal insulation engineering of pipelines in petroleum, chemical engineering, aerospace, military, central heating, central air conditioning, municipal administration and the like.

Present prefabricated direct-burried thermal insulation pipeline is with combination heat preservation pipe fitting, it is high to appear insulating tube local temperature in heat transmission process, causes the deformation of outer pillar to tear even easily, reduces insulating tube life to do not possess dustproof and waterproof effect, easily appear advancing the condition that dust intake in the pipe fitting junction of keeping warm and appear, reduce the reliability and the practicality of heat preservation pipe fitting, use the limitation higher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a can effectually avoid heat supply pipe network local temperature too high, the outer pillar warp the tearing phenomenon even appear, improve heat preservation pipe's reliability to can play dustproof and waterproof's effect, improve the prefabricated direct-burried heat preservation pipeline of heat preservation pipe's practicality and use combination heat preservation pipe fitting.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the combined heat-insulating pipe fitting for the prefabricated direct-buried heat-insulating pipeline comprises a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is fixedly connected with a first inner pipe, a first preheating pipe, a first heat-insulating layer and a first outer protecting pipe from inside to outside in sequence, the top end inside the first heat-insulating layer is fixedly connected with a first detector, the left end of the first detector is fixedly connected with a first alarm wire, the second connecting pipe is fixedly connected with a second inner pipe, a second preheating pipe, a second heat-insulating layer and a second outer protecting pipe from inside to outside in sequence, the top end inside the second heat-insulating layer is fixedly connected with a second detector, the right end of the second detector is fixedly connected with a second alarm wire, the left end of the second inner pipe is provided with a bulge, the bulge is in threaded connection with the first inner pipe through a threaded hole, the outsides of the first connecting pipe and the second connecting pipe are provided with a protective cover, the inside threaded connection of screw hole has clamping bolt, and clamping bolt is close to the one end fixedly connected with fixed block at protection casing center, and two fixed blocks are close to the one end contact at protection casing center.

Preferably, the bottom four corners position of protection casing all fixedly connected with support column, the bottom fixedly connected with bottom plate of four support columns, the bottom fixedly connected with slipmat of bottom plate.

Preferably, the first heat-insulating layer and the second heat-insulating layer are both filled with heat-insulating materials.

Preferably, one end of the fixing block close to the center of the protective cover is fixedly connected with a sealing sheet.

Preferably, the right end of the first connecting pipe is fixedly connected with a sealing ring.

Preferably, the front end and the rear end of the protective cover are both provided with a circular groove which is communicated with the left and the right, and the inside of the circular groove is fixedly connected with a wear-resistant ring.

Preferably, the outer parts of the first alarm wire and the second alarm wire are both contacted with the heat insulation material.

(III) advantageous effects

Compared with the prior art, the utility model provides a prefabricated direct-burried heat preservation pipeline is with combination heat preservation pipe fitting possesses following beneficial effect:

this prefabricated direct-burried thermal insulation pipeline is with combination heat preservation pipe fitting, in the heat preservation that is close to heat preservation pipe fitting, the alarm line has been buried underground, in case leakage takes place for first connecting pipe and second connecting pipe somewhere, conduction through the alarm line, alright report to the police and demonstrate the size of the accurate position and the seepage degree of leaking on first detector and second detector, so that inform the maintainer to handle the pipeline section that leaks rapidly, guarantee heat preservation pipe safe operation, through first preheating pipe, first outer protecting pipe, the second preheating pipe, cooperation between second outer protecting pipe and the protection casing is used, make heat preservation pipe fitting possess good thermal insulation performance and high security also possess the full waterproof performance of product itself when also, play crucial effect to extension heat preservation pipe life.

Drawings

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

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1 at B according to the present invention;

fig. 4 is the left side view structure diagram of the connection of the clamping bolt and the fixed block.

In the figure: 1. a first connecting pipe; 2. a second connecting pipe; 3. a first inner tube; 4. a first preheating pipe; 5. a first insulating layer; 6. a first outer protective tube; 7. a first detector; 8. a first alarm line; 9. a second inner tube; 10. a second preheating pipe; 11. a second insulating layer; 12. a second outer protective tube; 13. a second detector; 14. a second alarm line; 15. a protrusion; 16. a threaded hole; 17. a protective cover; 18. clamping the bolt; 19. a fixed block; 20. a support pillar; 21. a base plate; 22. a non-slip mat; 23. a thermal insulation material; 24. sealing the sheet; 25. a seal ring; 26. a round groove; 27. wear-resisting circle.

Detailed Description

The technical solutions in the embodiments of 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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the prefabricated combined heat-insulating pipe for the direct-buried heat-insulating pipeline comprises a first connecting pipe 1 and a second connecting pipe 2, the first connecting pipe 1 is fixedly connected with a first inner pipe 3, a first preheating pipe 4, a first heat-insulating layer 5 and a first outer protecting pipe 6 from inside to outside in sequence, the top end of the inside of the first heat-insulating layer 5 is fixedly connected with a first detector 7, the left end of the first detector 7 is fixedly connected with a first alarm wire 8, the second connecting pipe 2 is fixedly connected with a second inner pipe 9, a second preheating pipe 10, a second heat-insulating layer 11 and a second outer protecting pipe 12 from inside to outside in sequence, the first inner pipe 3 and the second inner pipe 9 can further isolate liquid or solid from the outside and other pipes and layers, the first preheating pipe 4 and the second preheating pipe 10 are arranged to cope with the phenomenon of over-high local temperature of the heat-insulating pipe, so as to protect the heat-insulating pipe, the first heat preservation layer 5 and the second heat preservation layer 11 can retain heat, prolong heating time, prevent the heat preservation pipe fitting from radiating too fast, reduce using effect, the arrangement of the first outer protective pipe 6 and the second outer protective pipe 12 can play an effective protection role for the heat preservation pipe fitting, avoid external collision and influence on using effect of the heat preservation pipe fitting, the top end inside the second heat preservation layer 11 is fixedly connected with the second detector 13, the right end of the second detector 13 is fixedly connected with the second alarm line 14, through conduction of the alarm line, an alarm can be given to the first detector 7 and the second detector 13, and accurate position of water leakage and size of leakage degree can be displayed, so as to inform an overhaul personnel to rapidly treat the pipe section with water leakage, the left end of the second inner pipe 9 is provided with a bulge 15, the bulge 15 is in threaded connection with the first inner pipe 3 through a threaded hole 16, so that the first connecting pipe 1 and the second connecting pipe 2 can be effectively fixed and connected, the reliability of the device is improved, the outside of first connecting pipe 1 and second connecting pipe 2 is provided with protection casing 17, the screw hole that link up from top to bottom is all seted up to the top and the bottom of protection casing 17, the inside threaded connection of screw hole has clamping bolt 18, clamping bolt 18 is close to the one end fixedly connected with fixed block 19 at protection casing 17 center, it makes fixed block 19 fully with first connecting pipe 1 and second connecting pipe 2 in close contact with to rotate clamping bolt 18, play effectual fixed and supporting role, two fixed blocks 19 are close to the one end contact at protection casing 17 center.

It should be further noted that, four corners of the bottom end of the protective cover 17 are fixedly connected with the supporting columns 20, the bottom ends of the four supporting columns 20 are fixedly connected with the bottom plate 21, the bottom end of the bottom plate 21 is fixedly connected with the non-slip mat 22, the height between the protective cover 17 and the ground can be increased, the protective cover 17 can be supported and fixed, the arrangement of the protective mat can increase the friction coefficient between the bottom plate 21 and the ground, so as to increase the stability of the heat preservation pipe, the first heat preservation layer 5 and the second heat preservation layer 11 are both filled with the heat preservation material 23, so as to prevent heat dissipation, the end of the fixing block 19 close to the center of the protective cover 17 is fixedly connected with the sealing sheet 24, so as to improve the sealing effect and reliability, the right end of the first connecting pipe 1 is fixedly connected with the sealing ring 25, so as to tightly connect the first connecting pipe 1 and the second connecting pipe 2, improve the leakproofness, the circular groove 26 that link up about the front end of protection casing 17 and rear end are all seted up, the wear-resisting circle 27 of the inside fixedly connected with in circular groove 26 for first connecting pipe 1 and second connecting pipe 2 can be through protection casing 17 and fixed with protection casing 17, and the outside of first alarm line 8 and second alarm line 14 all contacts with insulation material 23, plays fixed and supporting role to first alarm line 8 and second alarm line 14.

In summary, when the combined heat preservation pipe fitting for the prefabricated directly-buried heat preservation pipeline is used, the combined heat preservation pipe fitting for the prefabricated directly-buried heat preservation pipeline is firstly placed at a position required to be used, the bottom plate 21 is in contact with the ground and is fixed to the ground vertically, the first connecting pipe 1 is inserted into the round groove 26 on the left side, the second connecting pipe 2 is inserted into the round groove 26 on the right side, the first connecting pipe 1 and the second connecting pipe 2 are rotated in opposite directions, the protrusion 15 and the threaded hole 16 are tightly connected, the clamping bolt 18 is rotated to clamp the first connecting pipe 1 and the second connecting pipe 2, and through conduction of the alarm line, an alarm can be given to the first detector 7 and the second detector 13, the accurate position of water leakage and the size of the leakage degree can be displayed, so that an overhaul person can be informed to rapidly process the water leakage.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Prefabricated direct-burried thermal insulation pipeline is with combination heat preservation pipe fitting, including first connecting pipe (1) and second connecting pipe (2), its characterized in that: the heat insulation pipe is characterized in that a first inner pipe (3), a first preheating pipe (4), a first heat insulation layer (5) and a first outer protection pipe (6) are fixedly connected to a first connecting pipe (1) from inside to outside in sequence, a first detector (7) is fixedly connected to the top end inside the first heat insulation layer (5), a first alarm line (8) is fixedly connected to the left end of the first detector (7), a second inner pipe (9), a second preheating pipe (10), a second heat insulation layer (11) and a second outer protection pipe (12) are fixedly connected to a second connecting pipe (2) from inside to outside in sequence, a second detector (13) is fixedly connected to the top end inside the second heat insulation layer (11), a second alarm line (14) is fixedly connected to the right end of the second detector (13), a bulge (15) is arranged at the left end of the second inner pipe (9), and the bulge (15) is in threaded connection with the first inner pipe (3) through a threaded hole (16, the outside of first connecting pipe (1) and second connecting pipe (2) is provided with protection casing (17), and the screw hole that link up from top to bottom is all seted up to the top and the bottom of protection casing (17), and the inside threaded connection of screw hole has clamping bolt (18), and clamping bolt (18) are close to one end fixedly connected with fixed block (19) at protection casing (17) center, and two fixed blocks (19) are close to the one end contact at protection casing (17) center.

2. The combined heat-insulating pipe fitting for the prefabricated directly-buried heat-insulating pipeline according to claim 1, characterized in that: the protection cover is characterized in that support columns (20) are fixedly connected to four corners of the bottom end of the protection cover (17), bottom end fixedly connected with bottom plates (21) of the four support columns (20), and anti-slip pads (22) are fixedly connected to the bottom ends of the bottom plates (21).

3. The combined heat-insulating pipe fitting for the prefabricated directly-buried heat-insulating pipeline according to claim 2, characterized in that: the first heat-insulating layer (5) and the second heat-insulating layer (11) are filled with heat-insulating materials (23).

4. The combined heat-insulating pipe fitting for the prefabricated directly-buried heat-insulating pipeline according to claim 3, characterized in that: and a sealing piece (24) is fixedly connected to one end, close to the center of the protective cover (17), of the fixing block (19).

5. The combined heat-insulating pipe fitting for the prefabricated directly-buried heat-insulating pipeline according to claim 4, characterized in that: the right end of the first connecting pipe (1) is fixedly connected with a sealing ring (25).

6. The combined heat-insulating pipe fitting for the prefabricated directly-buried heat-insulating pipeline according to claim 5, characterized in that: the front end and the rear end of the protective cover (17) are both provided with a round groove (26) which is through from left to right, and the inside of the round groove (26) is fixedly connected with a wear-resistant ring (27).

7. The combined heat-insulating pipe fitting for the prefabricated directly-buried heat-insulating pipeline according to claim 6, characterized in that: the outer parts of the first alarm wire (8) and the second alarm wire (14) are both contacted with a heat insulation material (23).