CN207762439U - A kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth - Google Patents
A kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth Download PDFInfo
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- CN207762439U CN207762439U CN201721891704.8U CN201721891704U CN207762439U CN 207762439 U CN207762439 U CN 207762439U CN 201721891704 U CN201721891704 U CN 201721891704U CN 207762439 U CN207762439 U CN 207762439U
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- repaired mouth
- corrosion
- thermal insulation
- insulation structure
- heat insulating
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Abstract
The utility model discloses a kind of corrosion-resistant thermal insulation structures for Underground Heat Insulating Pipelines repaired mouth, including the preventing corrosion of repaired mouth layer being arranged at joint coating on pipeline, it is provided with fixed bed on the outside of the preventing corrosion of repaired mouth layer, repaired mouth insulating layer is provided on the outside of the fixed bed, it is provided with repaired mouth protective layer on the outside of the repaired mouth insulating layer, outer protecting crust is provided on the outside of the repaired mouth protective layer.The structure of the corrosion-resistant thermal insulation structure is simple, favorable anti-corrosion effect, and heat insulation effect is good, easy for construction.
Description
Technical field
The utility model belongs to corrosion-resistant thermal insulation technical field of structures, is specifically related to a kind of for Underground Heat Insulating Pipelines repaired mouth
Corrosion-resistant thermal insulation structure.
Background technology
Metallic conduit is widely used at present, and metallic conduit conveying is to carry out oil, gas and water and other liquid chemicals to convey
A kind of safe and effective mode, is widely used in the industries such as oil, chemical industry and environmental protection.Complete insulation construction needs anti-corrosion and protection
Layer, for the pipeline that some work under distinct temperature, simple insulating layer, which is not enough to resist the external worlds such as air, rainwater, invades
Erosion, therefore in order to ensure the reliability of insulation construction and validity in engineering, it has been all made of complete insulation construction shape both at home and abroad
Formula, i.e., the steel laid successively from inside to outside, erosion resistant coating, insulating layer and waterproof protective layer.Corrosion-resistanting insulation pipe demand increases,
It is more and more applied in long distance pipeline along with domestic pipeline development and energy-efficient policy requirements, anticorrosion utilidor.
Especially crude oil pipeline can effectively reduce heat loss on the way after anticorrosion insulation construction, reduce the setting number of heat stations
Amount, the cost for reducing operation and safeguarding save gross investment.But at repaired mouth it is the weak spot of whole pipeline, repaired mouth position belongs to
In the weak spot of entire utilidor, be charging into of being easiest to cause heat insulation effect to fail a little keep the temperature repaired mouth quality it is straight
Whether connect influences entire project being capable of trouble-free operation.Engineering experience shows that the corrosive pipeline overwhelming majority is since repaired mouth loses
Caused by effect water inlet.For corrosion-resistanting insulation pipe, it is ensured that coating is continuous whole, and insulating layer is integrally seamless and protective layer material
Matter is consistent, is the key problem in technology for extending pipeline service life.Due to the protection, heat preservation and anti-corrosion of pipe main body be in factory by
The prefabricated completion of special equipment, protective layer and the quality for protecting external anti-corrosion layer are generally reliable.Pipeline is thus solved finally to prevent
The key of rotten heat-insulating property be live mouthpiece quality (if mouthpiece quality is bad, pipeline in use once generate thermal deformation,
Repaired mouth outer jacket is easily cracked or gap, and underground water is caused to invade internal layer, destroys insulating layer heat-insulating property).
In conclusion there is an urgent need for a kind of at joint coating on pipeline and the corrosion-resistant thermal insulation structure of favorable anti-corrosion effect now.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies in the prior art, provide a kind of for Underground Heat Insulating Pipelines
The corrosion-resistant thermal insulation structure of repaired mouth.The structure of the corrosion-resistant thermal insulation structure is simple, favorable anti-corrosion effect, and heat insulation effect is good, easy for construction.
To achieve the above object, the technical solution adopted in the utility model is：It is a kind of for Underground Heat Insulating Pipelines repaired mouth
Corrosion-resistant thermal insulation structure, it is characterised in that：Including the preventing corrosion of repaired mouth layer being arranged at joint coating on pipeline, the outside of the preventing corrosion of repaired mouth layer
It is provided with fixed bed, repaired mouth insulating layer is provided on the outside of the fixed bed, repaired mouth is provided on the outside of the repaired mouth insulating layer
Protective layer is provided with outer protecting crust on the outside of the repaired mouth protective layer.
A kind of above-mentioned corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth, it is characterised in that：The repaired mouth heat preservation
Layer is spliced to form by the first arc panel and the second arc panel, and first arc panel and second arc panel constitute buckle-type and connect
It connects.
A kind of above-mentioned corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth, it is characterised in that：First arc
One end of plate is provided with the first strip groove and the first strip bulge, and the other end of first arc panel is provided with the second bar shaped
One end of groove and the second strip bulge, second arc panel is provided with third strip groove and third strip bulge, described
The other end of second arc panel is provided with Article 4 connected in star and Article 4 shape protrusion, first strip groove and third bar shaped
Protrusion constitutes buckle-type connection, and first strip bulge constitutes buckle-type with third strip groove and connects, second bar shaped
Groove constitutes buckle-type with Article 4 shape protrusion and connects, and second strip bulge and Article 4 connected in star constitute buckle-type and connect
It connects.
A kind of above-mentioned corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth, it is characterised in that：The outer protecting crust
Include in the cylindric protecting crust ontology of opening, one end of the protecting crust ontology is provided with the first connecting plate, the protecting crust
The other end of ontology is provided with the second connecting plate, and first connecting plate and the second connecting plate are connected by multiple turnbuckles.
A kind of above-mentioned corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth, it is characterised in that：The fixed bed by
Cold winding band winding is made.
A kind of above-mentioned corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth, it is characterised in that：The repaired mouth protection
Layer is made of Cold winding band winding.
A kind of above-mentioned corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth, it is characterised in that：The external protection coating
It is made of high density polyethylene (HDPE).
The utility model has the following advantages compared with prior art：
1, the utility model has the advantages of simple structure, easy for construction.
2, the utility model can be to the preventing corrosion of repaired mouth layer at the repaired mouth of pipeline, fixed bed, benefit by using outer protecting crust
Mouth insulating layer and repaired mouth protective layer provide effective mechanical protection, also, the external protection coating is made of high density polyethylene (HDPE).It is high
Density polyethylene is different from heat shrinking sleeve, will not crease easily under soil stress, be not in fail earlier than main pipe coating
Problem.
3, first arc panel of the utility model and second arc panel constitute buckle-type and connects, thus by pass through the
One arc panel and the second arc panel are spliced to form an entirety, eliminate and tie up step.Also, it is convex by strip groove and bar shaped
The mating connection risen, to reach sealing effect.
4, the utility model is easy for construction, using repaired mouth protective layer made of Cold winding band and fixed bed without heating, nothing
Sandblasting is needed, without getting angry, is not necessarily to drying.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the position relationship schematic diagram of the utility model outer protecting crust and pipeline.
Fig. 3 is the structural schematic diagram of the utility model repaired mouth insulating layer.
Fig. 4 is the structural schematic diagram of the outer protecting crust of the utility model.
Reference sign:
1-pipeline；At 1-1-repaired mouth；2-preventing corrosion of repaired mouth layers；
3-pipeline-welds；4-fixed beds；5-repaired mouth insulating layers；
The first arc panels of 5-1-；The first strip bulges of 5-1-1-；The first strip grooves of 5-1-2-；
The second strip bulges of 5-1-3-；The second strip grooves of 5-1-4-；The second arc panels of 5-2-；
5-2-1-third strip bulge；5-2-2-third strip groove；5-2-3-Article 4 shape protrusion；
5-2-4-Article 4 connected in star；6-repaired mouth protective layers；7-outer protecting crusts；
7-1-protecting crust ontology；The first connecting plates of 7-2-；The second connecting plates of 7-3-；
7-4-turnbuckle；8-the first tarpaulin；9-the first protective layer；
10-first pipe insulating layers；11-first pipe erosion resistant coatings；12-the second tarpaulin；
13-the second protective layer；14-second pipe insulating layers；15-second pipe erosion resistant coatings.
Specific implementation mode
A kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth as depicted in figs. 1 and 2, including be arranged in pipeline
The outside of the preventing corrosion of repaired mouth layer 2 of 1-1 at 1 repaired mouth, the preventing corrosion of repaired mouth layer 2 is provided with fixed bed 4, the outside of the fixed bed 4
Be provided with repaired mouth insulating layer 5, the outside of the repaired mouth insulating layer 5 is provided with repaired mouth protective layer 6, the repaired mouth protective layer 6 it is outer
Side is provided with outer protecting crust 7.
In the present embodiment, which can be to the benefit of 1-1 at the repaired mouth of pipeline 1 by using outer protecting crust 7
Mouth erosion resistant coating 2, fixed bed 4, repaired mouth insulating layer 5 and repaired mouth protective layer 6 provide effective mechanical protection, also, the outer protection
Layer 7 is made of high density polyethylene (HDPE).High density polyethylene (HDPE) is different from heat shrinking sleeve, will not crease easily under soil stress, will not
The problem of appearance is failed earlier than main pipe coating.
In the present embodiment, it is anti-to be located at pipeline 1 carries first by corrosion-resistant thermal insulation structure setting 1-1 at the repaired mouth of pipeline 1
The second waterproof that water cap 8, the first protective layer 9, first pipe insulating layer 10 and first pipe erosion resistant coating 11 and pipeline 1 carry
Between cap 12, the second protective layer 13, second pipe insulating layer 14 and second pipe erosion resistant coating 15.
In the present embodiment, the preventing corrosion of repaired mouth layer 2 is located at 1-1 at the repaired mouth of pipeline 1, and the pipeline of 1-1 at repaired mouth is welded
3 covering of seam.
As shown in figure 3, the repaired mouth insulating layer 5 is spliced to form by the first arc panel 5-1 and the second arc panel 5-2, it is described
First arc panel 5-1 constitutes buckle-type with the second arc panel 5-2 and connects.
As shown in figure 3, one end of the first arc panel 5-1 is provided with the first strip groove 5-1-2 and the first bar shaped is convex
5-1-1 is played, the other end of the first arc panel 5-1 is provided with the second strip groove 5-1-4 and the second strip bulge 5-1-3,
One end of the second arc panel 5-2 is provided with third strip groove 5-2-2 and third strip bulge 5-2-1, second arc
The other end of shape plate 5-2 is provided with Article 4 connected in star 5-2-4 and Article 4 shape protrusion 5-2-3, the first strip groove 5-
1-2 constitutes buckle-type with third strip bulge 5-2-1 and connects, the first strip bulge 5-1-1 and third strip groove 5-2-2
Buckle-type connection is constituted, the second strip groove 5-1-4 constitutes buckle-type with Article 4 shape protrusion 5-2-3 and connects, and described the
Two strip bulge 5-1-3 constitute buckle-type with Article 4 connected in star 5-2-4 and connect.
In the present embodiment, the first arc panel 5-1 constitutes buckle-type with the second arc panel 5-2 and connects, thus will
Institute is spliced to form an entirety by the first arc panel 5-1 and the second arc panel 5-2, eliminates and ties up step.Also, pass through item
The mating connection of connected in star and strip bulge, to reach sealing effect.
As shown in figure 4, the outer protecting crust 7 includes in the cylindric protecting crust ontology 7-1 of opening, the protecting crust ontology
One end of 7-1 is provided with the first connecting plate 7-2, and the other end of the protecting crust ontology 7-1 is provided with the second connecting plate 7-3, institute
It states the first connecting plate 7-2 and the second connecting plate 7-3 and passes through multiple turnbuckle 7-4 connections.
In the present embodiment, the connection type of the outer protecting crust 7 is simply, conveniently, easy for construction.
In the present embodiment, the fixed bed 4 is made of Cold winding band winding.Manufactured fixed bed is wound by using Cold winding band
4, without preheating, baking, not only directly the naked pipe other than the first tarpaulin 8 and the second tarpaulin 12 can be handled；
It can be directly wound in outside the first tarpaulin 8 and the second tarpaulin 12, without, according to caliber end tarpaulin size, being made before construction
Make ring protection mold, existing pipe end tarpaulin is not damaged.
In the present embodiment, the repaired mouth protective layer 6 is made of Cold winding band winding.It is anti-by using repaired mouth made of Cold winding band
Sheath 6 fixes repaired mouth insulating layer 5, then uses made of high density polyethylene (HDPE) outer protecting crust 7 as external protection coating, will not be due to
It needs to toast and polyethylene is caused to deform uneven, the imperfect or aging of bonding, influences service life.
The above is only the preferred embodiment of the utility model, not imposed any restrictions to the utility model, every
According to the utility model technical spirit to any simple modification, change and equivalent structure transformation made by above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth, it is characterised in that：Including being arranged in pipeline (1) repaired mouth
Locate the preventing corrosion of repaired mouth layer (2) of (1-1), fixed bed (4) is provided on the outside of the preventing corrosion of repaired mouth layer (2), the fixed bed (4)
Outside is provided with repaired mouth insulating layer (5), and repaired mouth protective layer (6) is provided on the outside of the repaired mouth insulating layer (5), and the repaired mouth is anti-
Outer protecting crust (7) is provided on the outside of sheath (6).
2. a kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth according to claim 1, it is characterised in that：Institute
It states repaired mouth insulating layer (5) to be spliced to form by the first arc panel (5-1) and the second arc panel (5-2), first arc panel (5-1)
Buckle-type is constituted with second arc panel (5-2) to connect.
3. a kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth according to claim 2, it is characterised in that：Institute
The one end for stating the first arc panel (5-1) is provided with the first strip groove (5-1-2) and the first strip bulge (5-1-1), and described
The other end of one arc panel (5-1) is provided with the second strip groove (5-1-4) and the second strip bulge (5-1-3), and described second
One end of arc panel (5-2) is provided with third strip groove (5-2-2) and third strip bulge (5-2-1), second arc
The other end of plate (5-2) is provided with Article 4 connected in star (5-2-4) and Article 4 shape is raised (5-2-3), and first bar shaped is recessed
Slot (5-1-2) constitutes buckle-type with third strip bulge (5-2-1) and connects, first strip bulge (5-1-1) and Article 3
Connected in star (5-2-2) constitutes buckle-type connection, and second strip groove (5-1-4) and Article 4 shape raised (5-2-3) are constituted
Buckle-type connects, and second strip bulge (5-1-3) constitutes buckle-type with Article 4 connected in star (5-2-4) and connects.
4. a kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth according to claim 1, it is characterised in that：Institute
It includes in the cylindric protecting crust ontology (7-1) of opening, one end setting of the protecting crust ontology (7-1) to state outer protecting crust (7)
There are the first connecting plate (7-2), the other end of the protecting crust ontology (7-1) to be provided with the second connecting plate (7-3), described first connects
Fishplate bar (7-2) and the second connecting plate (7-3) are connected by multiple turnbuckles (7-4).
5. a kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth according to claim 1, it is characterised in that：Institute
Fixed bed (4) is stated to be made of Cold winding band winding.
6. a kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth according to claim 1, it is characterised in that：Institute
Repaired mouth protective layer (6) is stated to be made of Cold winding band winding.
7. a kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth according to claim 1, it is characterised in that：Institute
External protection coating (7) is stated to be made of high density polyethylene (HDPE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891704.8U CN207762439U (en) | 2017-12-28 | 2017-12-28 | A kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891704.8U CN207762439U (en) | 2017-12-28 | 2017-12-28 | A kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207762439U true CN207762439U (en) | 2018-08-24 |
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ID=63185859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721891704.8U Active CN207762439U (en) | 2017-12-28 | 2017-12-28 | A kind of corrosion-resistant thermal insulation structure for Underground Heat Insulating Pipelines repaired mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207762439U (en) |
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2017
- 2017-12-28 CN CN201721891704.8U patent/CN207762439U/en active Active
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