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CN205877593U - Insulating tube and direct -burried type heat - supply pipeline - Google Patents

Insulating tube and direct -burried type heat - supply pipeline Download PDF

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Publication number
CN205877593U
CN205877593U CN201620715770.9U CN201620715770U CN205877593U CN 205877593 U CN205877593 U CN 205877593U CN 201620715770 U CN201620715770 U CN 201620715770U CN 205877593 U CN205877593 U CN 205877593U
Authority
CN
China
Prior art keywords
insulating tube
adapter sleeve
interior steel
steel pipe
outer protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620715770.9U
Other languages
Chinese (zh)
Inventor
回翼
卢迪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN THERMAL POWER DESIGNING INSTITUTE Co Ltd
Original Assignee
TIANJIN THERMAL POWER DESIGNING INSTITUTE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN THERMAL POWER DESIGNING INSTITUTE Co Ltd filed Critical TIANJIN THERMAL POWER DESIGNING INSTITUTE Co Ltd
Priority to CN201620715770.9U priority Critical patent/CN205877593U/en
Application granted granted Critical
Publication of CN205877593U publication Critical patent/CN205877593U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an insulating tube and direct -burried type heat - supply pipeline, including interior steel pipe and outer protective shell, outer protective shell include interval ground cover establish including the outside outer protection section of thick bamboo of steel pipe, at least one and the interconnection extend neck connected of interior steel tube end fixed seal, and correspond and connect the interconnection extend neck with the adapter sleeve of an outer protection section of thick bamboo, adapter sleeve, an outer protection section of thick bamboo and interior steel pipe between be provided with the heat preservation. The utility model discloses an insulating tube is formed with interconnection extend neck and adapter sleeve at the tip integratively, and the heat preservation to the insulating tube constitutes sealed the isolation promptly, when situations such as intaking appears in the pipeline, prevents effectively that water from getting into the heat preservation, avoids because the pipeline that pipe leaky led to the fact is damaged.

Description

Insulating tube and direct built-in heat supplying pipeline
Technical field
This utility model relates to heat supplying pipeline technical field, particularly relates to a kind of insulating tube and direct built-in heat supplying pipeline.
Background technology
Development along with urban modernization and the requirement to environmental conservation, the requirement to municipal pipeline construction carries the most day by day High.When laying municipal pipeline, pipeline many employings directly buried installation mode, directly-buried thermal insulation pipes is laid in the groove that medium-fine sand is filled In.But due to stress rupture issuable in construction technology and running, there is local outer jacket or working steel tube in pipeline The risk leaked, local causes heat-insulation layer by extensive damage, thus causes piping foundation area relatively big, has a strong impact on after leaking For thermal safety.
Utility model content
The purpose of this utility model is for technological deficiency present in prior art, and provides a kind of insulating tube and direct-burried Type heat supplying pipeline.
Be the technical scheme is that by realizing the purpose of this utility model
A kind of insulating tube, including interior steel pipe and outer containment vessel, described outer containment vessel includes that compartment of terrain is set in interior steel pipe Outside outer protection cylinder, at least one and the interior connecting cylinder of described interior steel tube end part fixed seal connection, and corresponding connection Described interior connecting cylinder and the adapter sleeve of described outer protection cylinder, be provided with between described adapter sleeve, outer protection cylinder and interior steel pipe Heat-insulation layer.
Described interior steel pipe two ends are respectively correspondingly provided with interior connecting cylinder.
Described interior connecting cylinder, outer protection cylinder and adapter sleeve are integrally formed.
The side wall surface of described adapter sleeve caves inward or outwardly.
Described outer containment vessel is high density polyethylene (HDPE) material.
A kind of direct built-in heat supplying pipeline, including multiple described insulating tubes being fixedly connected sequentially, two adjacent insulating tubes Interior steel-pipe welding connect, be laid with hot melt set between adjacent outer protection cylinder, be filled with thermal insulating material described hot melt set is internal Material.
Described insulation material is polyurathamc.
Compared with prior art, the beneficial effects of the utility model are:
Insulating tube of the present utility model, is integrally formed with interior connecting cylinder and adapter sleeve, the i.e. guarantor to insulating tube in end Temperature layer constitutes seal isolation, when there are the situations such as water inlet when pipeline, effectively prevents water from entering heat-insulation layer, it is to avoid because pipe leakage The pipeline caused is damaged.
Direct built-in heat supplying pipeline of the present utility model, connecting cylinder and adapter sleeve in presetting in pipeline, utilize it to pipeline Heat-insulation layer constitute isolation, effectively prevent water from permeate at two pipe insulation interlayers, significantly reduce because of pipe leakage produce breaking Bad influence.And this simple in construction, workable, equipment is safe and reliable, has ensured the steady safe operation of pipeline, has improve confession The stability of heat.
Accompanying drawing explanation
Fig. 1 show the structural representation of insulating tube of the present utility model.
Fig. 2 show two insulating tube docking state structural representations.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.Should be appreciated that this place The specific embodiment described, only in order to explain this utility model, is not used to limit this utility model.
As it is shown in figure 1, insulating tube 1 of the present utility model includes interior steel pipe 10 and outer containment vessel 11, described outer containment vessel 11 include that compartment of terrain is set in the outer protection cylinder 14 outside interior steel pipe, at least one, preferably two with described interior steel tube end part The interior connecting cylinder 13 that fixing sweat soldering is tightly connected, and corresponding connect described in interior connecting cylinder and described outer protection cylinder Adapter sleeve 12, is provided with insulation material between described adapter sleeve, outer protection cylinder and interior steel pipe, described interior steel tube end part be not by The welding job district that interior connecting cylinder covers, the length in described welding job district is not less than 100mm.Described insulation material is poly- Urethane, uses pouring-in foam process, this similarly to the prior art, the most reinflated description at this.
Insulating tube of the present utility model, is integrally formed with interior connecting cylinder and adapter sleeve, i.e. in insulating tube in end Between heat-insulation layer constitute seal isolation, when the situations such as water inlet occur when pipeline, effectively prevent water from entering heat-insulation layer, it is to avoid because pipeline The pipeline caused that leaks is damaged.
Specifically, described interior connecting cylinder, outer protection cylinder and adapter sleeve are integrally formed and are high density polyethylene (HDPE) material Matter, interior connecting cylinder is connected with interior steel-pipe welding, and processing is convenient and water proofing property is high, and preferably described adapter sleeve is that connection is described Interior connecting cylinder and the circulus of outer protection cylinder, use vertical plate type loop connecting, it is ensured that the length of interior connecting cylinder so that it is can be with interior Steel pipe keeps good being tightly connected, it is achieved waterproof purpose, wherein, in general, and described interior connecting cylinder length and the least In the external diameter of insulating tube, to be advisable not less than 200mm.
As in figure 2 it is shown, the invention also discloses direct built-in heat supplying pipeline, it includes multiple institute being fixedly connected sequentially The insulating tube stated, the linkage section 10 of the interior steel pipe of described insulating tube, it is respectively provided with end at two correct insulating tubes connected After seal connector, after the interior steel pipe correspondence of two insulating tubes is welded, lay hot melt set 4, then fill in hot melt set inside Polyurathamc 5, the connection at the place that can achieve a butt joint and isothermal holding.
Direct built-in heat supplying pipeline of the present utility model, connecting cylinder and adapter sleeve in presetting in pipeline, utilize it to pipeline Heat-insulation layer constitute isolation, effectively prevent water from permeate at two pipe insulation interlayers, significantly reduce because of pipe leakage produce breaking Bad influence.And this simple in construction, workable, equipment is safe and reliable, has ensured the steady safe operation of pipeline, has improve confession The stability of heat.
The above is only preferred implementation of the present utility model, it is noted that general for the art For logical technical staff, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these change Enter and retouch and also should be regarded as protection domain of the present utility model.

Claims (7)

1. an insulating tube, it is characterised in that include that interior steel pipe and outer containment vessel, described outer containment vessel include that compartment of terrain is sheathed At the outer protection cylinder outside interior steel pipe, at least one and the interior connecting cylinder of described interior steel tube end part fixed seal connection, and Interior connecting cylinder described in corresponding connection and the adapter sleeve of described outer protection cylinder, described adapter sleeve, outer protection cylinder and interior steel pipe Between be provided with heat-insulation layer.
2. insulating tube as claimed in claim 1, it is characterised in that described interior steel pipe two ends are respectively correspondingly provided with interior company Connect cylinder.
3. insulating tube as claimed in claim 1, it is characterised in that described interior connecting cylinder, outer protection cylinder and adapter sleeve one Formed.
4. insulating tube as claimed in claim 1, it is characterised in that the side wall surface of described adapter sleeve caves inward or to evagination Go out.
5. insulating tube as claimed in claim 1, it is characterised in that described outer containment vessel is high density polyethylene (HDPE) material.
6. a direct built-in heat supplying pipeline, it is characterised in that include multiple be fixedly connected sequentially such as any one of claim 1-4 Described insulating tube, the interior steel-pipe welding of two adjacent insulating tubes connects, is laid with hot melt set, in institute between adjacent outer protection cylinder The hot melt set inside stated is filled with insulation material.
7. direct built-in heat supplying pipeline as claimed in claim 6, it is characterised in that described insulation material is polyurathamc.
CN201620715770.9U 2016-07-08 2016-07-08 Insulating tube and direct -burried type heat - supply pipeline Expired - Fee Related CN205877593U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620715770.9U CN205877593U (en) 2016-07-08 2016-07-08 Insulating tube and direct -burried type heat - supply pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620715770.9U CN205877593U (en) 2016-07-08 2016-07-08 Insulating tube and direct -burried type heat - supply pipeline

Publications (1)

Publication Number Publication Date
CN205877593U true CN205877593U (en) 2017-01-11

Family

ID=57694633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620715770.9U Expired - Fee Related CN205877593U (en) 2016-07-08 2016-07-08 Insulating tube and direct -burried type heat - supply pipeline

Country Status (1)

Country Link
CN (1) CN205877593U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170111

Termination date: 20210708