CN209671843U - A kind of heat supply pipeline field joint heat preservation combined type outer protection tube - Google Patents
A kind of heat supply pipeline field joint heat preservation combined type outer protection tube Download PDFInfo
- Publication number
- CN209671843U CN209671843U CN201920194135.4U CN201920194135U CN209671843U CN 209671843 U CN209671843 U CN 209671843U CN 201920194135 U CN201920194135 U CN 201920194135U CN 209671843 U CN209671843 U CN 209671843U
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- Prior art keywords
- protection tube
- outer protection
- supervisor
- branch pipe
- heat supply
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Abstract
The utility model discloses a kind of heat supply pipeline field joint heat preservation combined type outer protection tubes, including being responsible for outer protection tube, supervisor's outer protection tube top middle portion is connected with branch pipe outer protection tube, opening is equipped in supervisor's outer protection tube side wall, and Opening length is equal to supervisor's outer protection tube length, opening and branch pipe outer protection tube bottom in supervisor's outer protection tube is non-intersecting, and supervisor's outer protection tube inner hole and branch pipe outer protection tube inner hole connect, the axis of supervisor's outer protection tube and branch pipe outer protection tube is mutually perpendicular to, and the junction for being responsible for outer protection tube and branch pipe outer protection tube is welded using grafting, welding bead is inside and outside two welding beads, it is hot-melt polyethylene filling fillet weld.When the heat supply pipeline field joint heat preservation can make heat supply pipeline grafting three-way welding with combined type outer protection tube at the scene, realize effective thermal-insulating sealing, can be improved heat supply main pipeline with for hot leg pipe outside utilidor junction sealing performance.
Description
Technical field
The utility model relates to heat supply pipeline technical field, combined type is used in specially a kind of heat supply pipeline field joint heat preservation
Outer protection tube.
Background technique
The pipeline of all conveying steam or hot water is referred to as heat supply pipeline, and the task of heat supply pipeline is by the heat of boiler for producing
Can, it is transported to indoor heating equipment by heating agents such as steam, hot water, to meet the demands of production and living, heating direct-buried insulating tube
When road is installed, it is often necessary to pick out branch pipeline on main pipeline, the installation method of this branch line is usually by the guarantor of main pipeline
Warm layer removes certain length as needed, then aperture in instrumentation tubes again, and branch pipeline is inserted directly into welding, general in engineering
Referred to as grafting threeway.
After the completion of the existing heating tube welding using grafting threeway mode, the welded seal of heat preservation outer protection tube is to be difficult
Guarantee, common practices is exactly scene splicing outer protection tube, and splicing has girth joint, longitudinal straight weld, limited by field condition, can not
Guarantee the leakproofness of these weld seams, underground water, which enters insulating layer, to be influenced thermal insulation property and destroy insulating layer, and prolonged water logging is again
It will cause the corrosion leakage of service pipe, thus carry out larger hidden danger to conduit running safety belt.
Utility model content
The purpose of this utility model is to provide a kind of heat supply pipeline field joint heat preservation combined type outer protection tubes, to solve
The welded seal of heat preservation outer protection tube is imitated after the completion of heating tube welding mentioned above in the background art using grafting threeway mode
Fruit problem to be improved.
To achieve the above object, the utility model provides the following technical solutions: a kind of heat supply pipeline field joint heat preservation use
Combined type outer protection tube, including supervisor's outer protection tube, supervisor's outer protection tube top middle portion are connected with branch pipe outer protection tube, outside the supervisor
Opening is equipped in pillar side wall, and Opening length is equal to supervisor's outer protection tube length, opening and branch pipe in supervisor's outer protection tube
Outer protection tube bottom is non-intersecting, and supervisor's outer protection tube inner hole and branch pipe outer protection tube inner hole connect, supervisor's outer protection tube and branch pipe
The axis of outer protection tube is mutually perpendicular to, and the junction for being responsible for outer protection tube and branch pipe outer protection tube is welded using grafting, and welding bead is inside and outside
Two welding beads are hot-melt polyethylene filling fillet weld.
Preferably, the branch pipe outer protection tube material is high density polyethylene (HDPE).
Preferably, supervisor's outer protection tube is the electric heating melting set for being embedded with electric heating melting metal welding wire.
Preferably, the outer protection tube of being responsible for is the polyethylene sheets of no electric heating melting metal welding wire.
Compared with prior art, the utility model has the beneficial effects that combined type is used in heat supply pipeline field joint heat preservation
When outer protection tube can make heat supply pipeline grafting three-way welding at the scene, effective thermal-insulating sealing is realized, can be improved heat supply supervisor
Road with for hot leg pipe outside utilidor junction sealing performance.This heat supply pipeline field joint heat preservation combined type outer protection tube
Supervisor's outer protection tube and branch pipe outer protection tube are welded in advance before installing with heat supply pipeline grafting threeway, and branch pipe
Outer protection tube bottom surrounding is not contacted with the opening in supervisor's outer protection tube, then branch pipe outer protection tube bottom surrounding is enabled to protect with outside being responsible for
Pipe welds together, and enabling the junction of branch pipe outer protection tube and supervisor's outer protection tube, there is no voids, guarantees branch pipe outer protection tube
With the welded seal effect of the junction of supervisor's outer protection tube, and outer protection tube is responsible for equipped with isometric opening, so that protecting outside branch pipe
Pipe and supervisor's outer protection tube will not interfere, then branch pipe outer protection tube will not interfere supervisor's outer protection tube to cover and be responsible for it in heat supply pipeline
On.
Detailed description of the invention
Fig. 1 is a kind of heat supply pipeline field joint heat preservation combined type outer protection tube structural schematic diagram of the utility model;
Fig. 2 is that a kind of heat supply pipeline field joint heat preservation of the utility model uses combined type outer protection tube to use schematic diagram.
In figure: 1, branch pipe outer protection tube, 2, supervisor's outer protection tube.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of heat supply pipeline field joint heat preservation combination
Formula outer protection tube, including supervisor's outer protection tube 2, supervisor's 2 top middle portion of outer protection tube are connected with branch pipe outer protection tube 1,1 material of branch pipe outer protection tube
For high density polyethylene (HDPE), this structure makes the material of branch pipe outer protection tube 1 and general material is the former heating tube of high density polyethylene (HDPE)
The material of road outer protection tube is identical, to guarantee the thermal insulation property of branch pipe outer protection tube 1, and the branch pipe outer protection tube 1 of same material and former heat supply
Welding mean of the pipeline outer protection tube also convenient for users to keeping the temperature outer protection tube by the conventional connector such as shrink belt completes outer protection tube weldering
Connect sealing, supervisor's outer protection tube 2 be the electric heating melting set for being embedded with electric heating melting metal welding wire, this structure makes 2 sets of supervisor's outer protection tube exist
Heat supply is responsible for after outside, and the aperture position of supervisor's outer protection tube 2 can be soldered sealing by way of electric heating fusion welding, thus
It enables heat supply pipeline grafting threeway junction by complete thermal-insulating sealing, is responsible for outer protection tube 2 as the polyethylene of no electric heating melting metal welding wire
Sheet material, this structure make the material for being responsible for outer protection tube 2 and former heat supply pipeline outer protection tube same material, are responsible for the opening position of outer protection tube 2
It sets and two sides can complete supervisor's 2 opening of outer protection tube by the welding mean of the conventional connector heat preservation outer protection tube such as shrink belt
With the welded seal of supervisor 2 two sides of outer protection tube and former heat supply pipeline outer protection tube, supervisor's 2 side wall of outer protection tube is interior to be equipped with opening, and opens
Mouth length is equal to supervisor's 2 length of outer protection tube, and the opening and 1 bottom of branch pipe outer protection tube being responsible in outer protection tube 2 are non-intersecting, and outside supervisor
2 inner hole of pillar and 1 inner hole of branch pipe outer protection tube connect, and the axis for being responsible for outer protection tube 2 and branch pipe outer protection tube 1 is mutually perpendicular to, and main
The junction of pipe outer protection tube 2 and branch pipe outer protection tube 1 is welded using grafting, and it is hot-melt polyethylene that welding bead, which is inside and outside two welding beads,
Fillet weld is filled, this structure enables supervisor's outer protection tube 2 and branch pipe outer protection tube 1 before installing with heat supply pipeline grafting threeway
It is welded in advance, and 1 bottom surrounding of branch pipe outer protection tube is not contacted with the opening in supervisor's outer protection tube 2, then enables and being protected outside branch pipe
1 bottom surrounding of pipe welds together with supervisor's outer protection tube 2, and branch pipe outer protection tube 1 is enabled not deposit with the junction for being responsible for outer protection tube 2
In void, guarantees branch pipe outer protection tube 1 and be responsible for the welded seal effect of the junction of outer protection tube 2, and be responsible for outer protection tube 2
Equipped with isometric opening, so that branch pipe outer protection tube 1 and supervisor's outer protection tube 2 will not interfere, then branch pipe outer protection tube 1 will not be interfered
2 sets of outer protection tube are responsible on heat supply pipeline supervisor.
Working principle: when using heat supply pipeline field joint heat preservation combined type outer protection tube, in steel pipe grafting
After the completion of welding, the branch pipe outer protection tube 1 of prefabricated component is sleeved on steel branch pipe, is then outside the supervisor of sheet by reset condition
Pillar 2 is buckled in the outer protection tube of supervisor two sides along heat supply supervisor's pipeline outer wall, conventional using electric heating fusion welding and shrink belt etc.
The welding mean that connector keeps the temperature outer protection tube completes the welded seal that supervisor's outer protection tube 2 is open, because protecting outside supervisor's outer protection tube 2 and branch pipe
The junction of pipe 1 uses grafting to weld in advance, and welding bead is inside and outside two welding beads, is hot-melt polyethylene filling fillet weld, therefore can
The leakproofness of supervisor's outer protection tube 2 and 1 junction of branch pipe outer protection tube is effectively ensured, to complete a series of activities.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (4)
1. a kind of heat supply pipeline field joint heat preservation combined type outer protection tube, it is characterised in that: including being responsible for outer protection tube (2), institute
It states supervisor's outer protection tube (2) top middle portion to be connected with branch pipe outer protection tube (1), opening is equipped in supervisor's outer protection tube (2) side wall, and
Opening length is equal to supervisor's outer protection tube (2) length, and the opening and branch pipe outer protection tube (1) bottom on supervisor outer protection tube (2) are not
Intersection, and supervisor's outer protection tube (2) inner hole and branch pipe outer protection tube (1) inner hole connect, and protect outside supervisor's outer protection tube (2) and branch pipe
The axis of pipe (1) is mutually perpendicular to, and the junction for being responsible for outer protection tube (2) and branch pipe outer protection tube (1) is welded using grafting, and welding bead is
Inside and outside two welding beads are hot-melt polyethylene filling fillet weld.
2. a kind of heat supply pipeline field joint heat preservation combined type outer protection tube according to claim 1, it is characterised in that: institute
Stating branch pipe outer protection tube (1) material is high density polyethylene (HDPE).
3. a kind of heat supply pipeline field joint heat preservation combined type outer protection tube according to claim 1, it is characterised in that: institute
Stating supervisor outer protection tube (2) is the electric heating melting set for being embedded with electric heating melting metal welding wire.
4. a kind of heat supply pipeline field joint heat preservation combined type outer protection tube according to claim 1, it is characterised in that: institute
Supervisor outer protection tube (2) is stated as the polyethylene sheets of no electric heating melting metal welding wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920194135.4U CN209671843U (en) | 2019-02-13 | 2019-02-13 | A kind of heat supply pipeline field joint heat preservation combined type outer protection tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920194135.4U CN209671843U (en) | 2019-02-13 | 2019-02-13 | A kind of heat supply pipeline field joint heat preservation combined type outer protection tube |
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CN209671843U true CN209671843U (en) | 2019-11-22 |
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CN201920194135.4U Active CN209671843U (en) | 2019-02-13 | 2019-02-13 | A kind of heat supply pipeline field joint heat preservation combined type outer protection tube |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112539445A (en) * | 2020-12-03 | 2021-03-23 | 喆祥(杭州)品牌管理有限公司 | Heat exchange station heating pipe network and heating system |
CN112916990A (en) * | 2021-01-26 | 2021-06-08 | 中广核核电运营有限公司 | Replacement method of nuclear grade branch pipe seat |
CN114215999A (en) * | 2021-11-10 | 2022-03-22 | 岚图汽车科技有限公司 | Water pipe protector and vehicle |
-
2019
- 2019-02-13 CN CN201920194135.4U patent/CN209671843U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112539445A (en) * | 2020-12-03 | 2021-03-23 | 喆祥(杭州)品牌管理有限公司 | Heat exchange station heating pipe network and heating system |
CN112916990A (en) * | 2021-01-26 | 2021-06-08 | 中广核核电运营有限公司 | Replacement method of nuclear grade branch pipe seat |
CN114215999A (en) * | 2021-11-10 | 2022-03-22 | 岚图汽车科技有限公司 | Water pipe protector and vehicle |
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