CN208041433U - Zero leakage prefabricated direct-buried thermal insulation pipe compensator - Google Patents
Zero leakage prefabricated direct-buried thermal insulation pipe compensator Download PDFInfo
- Publication number
- CN208041433U CN208041433U CN201820522324.5U CN201820522324U CN208041433U CN 208041433 U CN208041433 U CN 208041433U CN 201820522324 U CN201820522324 U CN 201820522324U CN 208041433 U CN208041433 U CN 208041433U
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- Prior art keywords
- pipe
- bellows
- protection sleeve
- fixed
- adjustable
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- 238000009413 insulation Methods 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000004698 Polyethylene Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
- Joints Allowing Movement (AREA)
Abstract
The utility model is related to one kind zero to leak prefabricated direct-buried thermal insulation pipe compensator; it is located at fixing pipe, adjustable pipe and the protection sleeve pipe on same axis including center; one end of the protection sleeve pipe and the outer wall of fixing pipe are fixed and the other end of protection sleeve pipe and the outer wall of adjustable pipe offset; the activity pipe outer wall is arranged with the first bellows; one end of first bellows is fixed with adjustable pipe close to one end of fixing pipe, and the other end of the other end and protection sleeve pipe is fixed；Further include the second bellows being set in adjustable pipe, described one end of the second bellows and the other end of protection sleeve pipe are fixed, and the other end is fixed with the guide ring for being fixed on activity pipe outer wall is arranged.The utility model solves the problems, such as heat-energy losses and inner corrugated pipe corrosion caused by easy water inlet leads to insulation failure after compensator long-time service, extends the service life of compensator.
Description
Technical field
The utility model is related to pipeline compensator technical fields, and in particular to one kind zero leaks prefabricated direct-buried thermal insulation pipe compensation
Device.
Background technology
Heat distribution pipeline will produce line expansion or linear shrinkage because expanding with heat and contract with cold, and influence the safe operation of heat distribution pipeline, usually
Expanding with heat and contract with cold for heat distribution pipeline is compensated using corrugated expansion joint.
The corrugated expansion joint of the prior art is so that corrugated expansion joint has enough strokes, one end of bellows
It is flexibly connected between adjustable pipe, shortcoming is：There is no encapsulation process between one end and adjustable pipe of bellows, is being embedded to
After Underground Long-term use, the water in ground is easy to enter in compensator, and oxidation corrosion easily occurs for bellows after long-time service, right
Compensator is also easy to produce harmful effect, shortens the service life of extender.
Utility model content
The utility model in view of the deficiencies of the prior art, provides one kind zero and leaks prefabricated direct-buried thermal insulation pipe compensator, solve
Compensator be used for a long time after because of the problem of easily water inlet causes compensator inner corrugated pipe to corrode, contribute to the use of extension compensator
Service life.
The utility model is achieved by the following technical solution：
One kind zero is provided and leaks prefabricated direct-buried thermal insulation pipe compensator, including center is located at fixing pipe on same axis, work
Dynamic pipe and protection sleeve pipe, one end of the protection sleeve pipe and the outer wall of fixing pipe are fixed and the other end of protection sleeve pipe and activity
The outer wall of pipe offsets, and the activity pipe outer wall is arranged with the first bellows, one end of first bellows and adjustable pipe
It is fixed close to one end of fixing pipe, the other end of the other end and protection sleeve pipe is fixed；Further include be set in adjustable pipe
Two bellowss, described one end of the second bellows and the other end of protection sleeve pipe are fixed, and the other end and are arranged and are fixed on work
The guide ring of dynamic pipe outer wall is fixed.
One end of movable fixed first bellows of tube end, the other end and protection sleeve pipe and the adjustable pipe of the first bellows
The end that offsets of outer wall fix, may be implemented to be axially moved using the flexible of the first bellows between adjustable pipe and fixing pipe；
Fixed the second bellows being arranged between guide ring on the one end and adjustable pipe at the outer wall place of offseting of protection sleeve pipe and adjustable pipe,
Encapsulation process between protection sleeve pipe and adjustable pipe may be implemented, and the flexible of the second bellows can coordinate the axial of adjustable pipe to move
It is dynamic, ensure the normal use of compensator.
Further, the both ends of second bellows by the connection short tube that is set in outside adjustable pipe respectively with guarantor
Protecting pipe and guide ring are fixed.
The both ends of second bellows are fixed with protection sleeve pipe and guide ring respectively by connecting short tube, and good connecting effect is protected
Demonstrate,prove the stability of the second bellows connection.
Further, the first insulating layer, first insulating layer are equipped between the adjustable pipe and the second bellows
It is externally provided with reflecting layer.
First insulating layer is set, adjustable pipe can be kept the temperature, prevents the adjustable pipe in the second bellows from radiating,
Ensure the heat-insulating property of pipeline entirety.
Further, it is equipped with the second insulating layer outside the protection sleeve pipe, is equipped with outside second insulating layer poly-
Ethylene outer jacket.
Second insulating layer is set, fixing pipe can be kept the temperature, the thermal loss of pipeline is reduced, ensures pipeline entirety
Heat-insulating property.
Further, the second bellows outer cover is equipped with outer protection tube, and the outer protection tube is close to the first bellows
One end be fixedly connected with outer protective polyethylene layer by pyrocondensation belt, by can between the other end and guide ring of the outer protection tube
The positioning bolt of dismounting connects.
Outer protection tube can protect the second bellows not to be extruded, and ensure that its keeps normal working condition, outer protection tube and the
Pyrocondensation belt is flexibly connected between two bellowss, ensure that the leakproofness and water proofing property of junction, while can be with the axis of extraction duct
To displacement；When second bellows is installed between outer protection tube and guide ring, lead to the tensional state that positioning bolt positions the second bellows,
It dismantles after installation positioning bolt, ensures the normal Telescopic of the second bellows.
Further, diversion pipe is equipped in the adjustable pipe, one end of the diversion pipe is arranged and consolidates in flaring
It is scheduled on the inner wall of fixing pipe.
Air-flow, which enters from fixing pipe from adjustable pipe, to flow out, and diversion pipe is capable of providing the effect of air-flow guiding, improves air-flow stream
Dynamic smoothness, and air-flow can be avoided to be contacted with the first bellows, have the function that protect the first bellows；Diversion pipe
One end is welded in flaring on the inner wall of fixing pipe, improves the leakproofness between diversion pipe and fixing pipe, is rushed to avoid air-flow
It hits, ensures the stability of the first ripple pipe work.
The beneficial effects of the utility model：By adding the second bellows and guide ring in adjustable pipe, to protection sleeve pipe
The other end and the outer wall place of offseting of adjustable pipe be sealed processing, solve insulating tube heat-energy losses caused by insulation failure
The problem of corroding with inner corrugated pipe extends the service life of compensator.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
As shown in the figure：
1, fixing pipe, 2, polyurethane insulation coating, 3, diversion pipe, 4, outer protective polyethylene layer, 5, protection sleeve pipe, 6, adjustable pipe,
7, pyrocondensation belt, 8, outer protection tube, 9, reflecting layer, 10, OWENS CORNING insulating layer, 11, positioning bolt, 12, guide ring, 13, connection
Short tube, the 14, second bellows, the 15, first bellows.
Specific implementation mode
In order to clarify the technical characteristics of the invention, below by specific implementation mode, this programme is illustrated.
One kind zero leaks prefabricated direct-buried thermal insulation pipe compensator, including center is located at fixing pipe 1, adjustable pipe on same axis
6 and protection sleeve pipe 5, one end of the protection sleeve pipe 5 is fixed with the outer wall of fixing pipe 1 and the other end of protection sleeve pipe 5 and work
The outer wall of dynamic pipe 6 offsets, in the present embodiment, in order to reduce the abrasion between protection sleeve pipe 5 and adjustable pipe 6, protection sleeve pipe 1 it is another
One end is offseted by graphite packing and the outer wall of adjustable pipe 6.
6 outer wall of adjustable pipe is arranged with the first bellows 15, and one end of first bellows 15 passes through fixation
Guide ring 12 in 6 end of adjustable pipe is fixed with adjustable pipe 6 close to one end of fixing pipe 1, and the other end is another with protection sleeve pipe 5
One end is fixed, wherein the both ends of the first bellows 15 are respectively fixedly connected with short tube 13, is convenient for fixing；Further include being set in work
The second bellows 14 on dynamic pipe 6, one end of second bellows 14 and the other end of protection sleeve pipe 5 are fixed, another
Hold and be arranged the fixation of guide ring 12 for being fixed on 6 outer wall of adjustable pipe.It is described of course for the fixation for facilitating the second bellows 14
The both ends of second bellows 14 by the connection short tube 13 that is set in outside adjustable pipe 6 respectively with protection sleeve pipe 5 and guide ring 12
It is fixed.
Diversion pipe 3 is equipped in the adjustable pipe 6, one end of the diversion pipe 3 is arranged and is fixed in flaring
The inner wall of fixed tube 1 convenient for guiding air-flow and protects the first bellows 15.
The first insulating layer is equipped between the adjustable pipe 6 and the second bellows 14, first insulating layer is externally provided with
Reflecting layer 9.5 outside of protection sleeve pipe is equipped with the second insulating layer, and outer protective polyethylene is equipped with outside second insulating layer
Layer 4.Wherein the first insulating layer is OWENS CORNING insulating layer 10, and the second insulating layer is polyurethane insulation coating 2.
Second bellows, 14 outer cover be equipped with outer protection tube 8, the outer protection tube 8 close to the first bellows 15 one
End is fixedly connected by pyrocondensation belt 7 with outer protective polyethylene layer 4, is passed through between the other end and guide ring 12 of the outer protection tube 8
Dismountable positioning bolt 11 connects.
It is all made of metal bellows, preferably multilayer pressure as first bellows 15 of the present embodiment and the second bellows 14
The 316L corrugated stainless steel tubings of system, stroke is big, and compensation performance is good, can effectively solve rubber bellows in the case of a high temperature
The short problem of service life.In the present embodiment, two ends of corrugated stainless steel tubing preferably use argon arc welding welding, and use X
Radiographic inspection, zero leakage of road road insulating tube compensator.
The installment work process of the utility model：
The rear end of fixing pipe 1 by be flared diversion pipe 3 extend into adjustable pipe 6, adjustable pipe 6 close to fixing pipe 1 one
End is fixed with guide ring 12 and is arranged with the first bellows 15, fixing pipe 1, adjustable pipe 6 and the first bellows by guide ring 12
15 outer cover is equipped with protection sleeve pipe 5, and one end of protection sleeve pipe 5 is fixed on the rear end of fixing pipe 1, protection sleeve pipe 5 it is another
The outer wall with adjustable pipe 6 is held to offset, first one end of bellows 15 far from adjustable pipe 6 is fixed on the end of corresponding protection sleeve pipe 5
Portion sets gradually polyurethane insulation coating 2 and protective polyethylene layer 4 in the outside of protection sleeve pipe 5, and entering high temperature in fixing pipe 1 is situated between
After matter, adjustable pipe 6 can be moved axially when expanding with heat and contract with cold, as shown in Figure 1, by taking the thermal expansion of adjustable pipe 6 as an example, adjustable pipe 6
The first bellows 15 can be driven to left dislocation, at this time adjustable pipe 6 and 5 place of offseting of protection sleeve pipe occur it is opposite slide, herein due to
It is not fully sealed, causes after long-term use, extraneous water or humid air can enter 5 inside of protection tube and accelerate first
The corrosion of bellows 15.
To avoid, into water, OWENS CORNING insulating layer 10 being arranged in the adjustable pipe 6 at 5 rear of protection tube and in insulating layer
Outer to be arranged the second bellows 14,14 one end of the second bellows is fixed by connecting short tube 13 and the end of protection tube 5, the second wave
The other end of line pipe 14 is arranged and fixed guide ring 12 is fixed by connecting in short tube 13 and adjustable pipe 6, due to guide ring 12
Closure sealing function so that junction can seal, and block extraneous water or moisture enters inside compensator, set simultaneously
The second bellows 14 set can coordinate the first bellows 15 when adjustable pipe 6 is expanded with heat and contract with cold, and carry out diastole or receipts in time
Contracting acts, and ensures the normal work of compensator.
In order to ensure that the second bellows 14 is not oppressed and keeps normal morphology, convenient for function of bringing into normal play, in the second wave
The outside of line pipe 14 is arranged outer protection tube 8, and outer protection tube 8 can select steel pipe, outer protection tube 8 to pass through with 4 junction of outer protective polyethylene layer
7 flexible sealing of pyrocondensation belt connects.The other end of outer protection tube 8 is connected with guide ring 12 by dismountable positioning bolt 11, is oriented to
Fixed position determines ring 12 according to the installation length of the second bellows 14 in adjustable pipe 6, that is, adjusts the second bellows 14 and be in
Using positioning bolt 11 positioning, the second bellows is fixed in guide ring 12 and outer protection tube 8 by the natural length under normal condition
14 both ends are fixed on by connecting short tube 13 on protection tube 5 and guide ring 12 respectively, are then fixed guide ring 12 and are welded
In adjustable pipe 6, positioning bolt 11 is removed after installing, ensures that the second bellows 14 can be with the axial movement of adjustable pipe 6
And diastole or contractive action occurs, ensure the normal work of compensator.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above example and attached drawing are merely to illustrate the technology of the utility model
Scheme is not limitations of the present invention, and the utility model is described in detail with reference to preferred embodiment, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in the essential scope of the utility model
The variations, modifications, additions or substitutions made without departure from the objective of the utility model, want by the right that should also belong to the utility model
Seek protection domain.
Claims (6)
1. one kind zero leaks prefabricated direct-buried thermal insulation pipe compensator, including center is located at the fixing pipe on same axis（1）, adjustable pipe
（6）And protection sleeve pipe（5）, the protection sleeve pipe（5）One end and fixing pipe（1）Outer wall fix and protection sleeve pipe（5）'s
The other end and adjustable pipe（6）Outer wall offset, it is characterised in that：The adjustable pipe（6）Outer wall is arranged with the first bellows
（15）, first bellows（15）One end and adjustable pipe（6）Close to fixing pipe（1）One end fix, the other end with
Protection sleeve pipe（5）The other end fix；Further include being set in adjustable pipe（6）On the second bellows（14）, second wave
Line pipe（14）One end and protection sleeve pipe（5）The other end fix, the other end and be arranged and be fixed on adjustable pipe（6）Outer wall is led
Xiang Huan（12）It is fixed.
2. zero leakage prefabricated direct-buried thermal insulation pipe compensator according to claim 1, it is characterised in that：Second ripple
Pipe（14）Both ends by being set in adjustable pipe（6）Outer connection short tube（13）Respectively with protection sleeve pipe（5）And guide ring
（12）It is fixed.
3. zero leakage prefabricated direct-buried thermal insulation pipe compensator according to claim 1 or 2, it is characterised in that：The activity
Pipe（6）With the second bellows（14）Between be equipped with the first insulating layer, first insulating layer is externally provided with reflecting layer（9）.
4. zero leakage prefabricated direct-buried thermal insulation pipe compensator according to claim 2, it is characterised in that：The protection sleeve pipe
（5）Outside is equipped with the second insulating layer, and outer protective polyethylene layer is equipped with outside second insulating layer（4）.
5. zero leakage prefabricated direct-buried thermal insulation pipe compensator according to claim 4, it is characterised in that：Second ripple
Pipe（14）Outer cover is equipped with outer protection tube（8）, the outer protection tube（8）Close to the first bellows（15）One end pass through pyrocondensation belt
（7）With outer protective polyethylene layer（4）It is fixedly connected, the outer protection tube（8）The other end and guide ring（12）Between by removable
The positioning bolt unloaded（11）Connection.
6. zero leakage prefabricated direct-buried thermal insulation pipe compensator according to claim 1, it is characterised in that：The adjustable pipe
（6）Inside it is equipped with diversion pipe（3）, the diversion pipe（3）One end in flaring be arranged and be fixed on fixing pipe（1）Inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522324.5U CN208041433U (en) | 2018-04-13 | 2018-04-13 | Zero leakage prefabricated direct-buried thermal insulation pipe compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522324.5U CN208041433U (en) | 2018-04-13 | 2018-04-13 | Zero leakage prefabricated direct-buried thermal insulation pipe compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041433U true CN208041433U (en) | 2018-11-02 |
Family
ID=63943861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820522324.5U Active CN208041433U (en) | 2018-04-13 | 2018-04-13 | Zero leakage prefabricated direct-buried thermal insulation pipe compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041433U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981211A (en) * | 2020-08-11 | 2020-11-24 | 山东新朗华科技有限公司 | Heat distribution pipeline |
| CN114017571A (en) * | 2021-11-22 | 2022-02-08 | 扬中市同创电气有限公司 | Combined pipeline compensator suitable for high-frequency vibration and mounting method |
| CN116557683A (en) * | 2023-05-23 | 2023-08-08 | 上海科华热力管道有限公司 | A New Composite Direct Buried Steam Insulation Pipe Network System |
| CN116817064A (en) * | 2021-12-14 | 2023-09-29 | 唐山学院 | Corrosion-resistant corrugated compensator for fans |
-
2018
- 2018-04-13 CN CN201820522324.5U patent/CN208041433U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981211A (en) * | 2020-08-11 | 2020-11-24 | 山东新朗华科技有限公司 | Heat distribution pipeline |
| CN114017571A (en) * | 2021-11-22 | 2022-02-08 | 扬中市同创电气有限公司 | Combined pipeline compensator suitable for high-frequency vibration and mounting method |
| CN116817064A (en) * | 2021-12-14 | 2023-09-29 | 唐山学院 | Corrosion-resistant corrugated compensator for fans |
| CN116557683A (en) * | 2023-05-23 | 2023-08-08 | 上海科华热力管道有限公司 | A New Composite Direct Buried Steam Insulation Pipe Network System |
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