CN207161988U - A kind of deep cooling pipeline multi layer heat-insulation system - Google Patents
A kind of deep cooling pipeline multi layer heat-insulation system Download PDFInfo
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- CN207161988U CN207161988U CN201720360538.2U CN201720360538U CN207161988U CN 207161988 U CN207161988 U CN 207161988U CN 201720360538 U CN201720360538 U CN 201720360538U CN 207161988 U CN207161988 U CN 207161988U
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- heat
- insulation
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- deep cooling
- cooling pipeline
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Abstract
The utility model discloses a kind of deep cooling pipeline multi layer heat-insulation system, including deep cooling pipeline, the separation dike of deep cooling pipeline external is bonded at equal intervals, it is sleeved on heat-insulation unit of the deep cooling pipeline external between two separation dikes, the heat-insulation unit is followed successively by the first heat-insulation layer outside by built-in, secondary damp-proof layer, second heat-insulation layer, damp-proof layer and metal external protection, sealing gluing knot is used between heat-insulation unit and separation dike, the separation dike includes lower floor and upper strata, and lower floor's width is more than upper strata width, spacing is consistent between the first heat-insulation layer length and two separation dike lower floors, and consistency of thickness, spacing is consistent between the second heat-insulation layer length and two separation dike upper stratas, so that the first heat-insulation layer and the second edge insulating layer form Steps face.The utility model provides a kind of deep cooling pipeline multi layer heat-insulation system, and for deep cooling duct thickness more than 80mm, using the insulation construction of multilayer, and the heat insulation layer structure of multilayer coordinates separation dike to realize that seam misplaces, and shortens gap when shrinking, so as to ensure heat-insulating property.
Description
Technical field
It the utility model is related to pipeline heat-insulating system, more particularly to a kind of deep cooling pipeline multi layer heat-insulation system.
Background technology
With advances in technology with the raising of human living standard, liquefied natural gas (LNG), liquid nitrogen (LN2), liquid oxygen
(LO2), the cryogenic liquefying material application such as liquid CO 2 (LCO2), liquefied petroleum gas (LPG) progressively expands, especially
LNG, main component are made up of methane.LNG is to be cooled to -162 DEG C by gaseous natural gas at ambient pressure, is allowed to condense into liquid
Body.Storage and transportation space can be greatlyd save after natural gas liquefaction, volume is about the 1/600 of gaseous volume after liquefaction, and with heat
The features such as value is big, performance is high.LNG is a kind of cleaning, the efficient energy, is increasingly favored as clean energy resource, Hen Duoguo
LNG is all classified as preferred fuels by family, and ratio of the natural gas in energy supply increases sharply, and is turned into the whole world and is increased most swift and violent energy
One of source industry.LNG is by as the popular energy commodity of next whole world contention after oil.
But domestic LNG is that the deep cooling medium transport of representative still relies on groove tank car or gaseous state pipeline transportation, energy at present
Source consumption wastes serious.
For such case, occur some prefabricated deep cooling pipelines on the market, pipeline and heat-insulation layer are combined as a whole, scene
Direct joint installation, but these prefabricated unitary tubes are although easy for installation, but want refinement for installation length
Degree is high, and size category is more, and the heat-insulating property at heteromorphic connector is difficult to ensure.
Utility model content
The defects of the purpose of this utility model is to overcome prior art, there is provided a kind of deep cooling pipeline multi layer heat-insulation system,
For deep cooling duct thickness more than 80mm, using the insulation construction of multilayer, and the heat insulation layer structure of multilayer coordinates separation dike real
Existing seam dislocation, shortens gap, so as to ensure heat-insulating property when shrinking.
To achieve the above object, the utility model proposes following technical scheme：
A kind of deep cooling pipeline multi layer heat-insulation system, including deep cooling pipeline, are bonded in the separation of deep cooling pipeline external at equal intervals
Dike, is sleeved on heat-insulation unit of the deep cooling pipeline external between two separation dikes, and the heat-insulation unit is followed successively by outside by built-in
First heat-insulation layer, secondary damp-proof layer, the second heat-insulation layer, damp-proof layer and metal external protection, make between heat-insulation unit and separation dike
With sealing glue sticking, the separation dike includes lower floor and upper strata, and lower floor's width is more than upper strata width, the first heat-insulation layer length
Degree is consistent with spacing between two separation dike lower floors, and consistency of thickness, the second heat-insulation layer length and two separation dike upper stratas
Between spacing it is consistent so that the first heat-insulation layer and the second edge insulating layer form Steps face.
Preferably, first heat-insulation layer and the second heat-insulation layer are by two semicircle mutual pairing shapes of heat preservation structural component
Into, involutory surface using sealing glue sticking, by metal strapping strand colligation outside the heat-insulation layer after pairing, and the first heat-insulation layer and the
The involutory surface fissure of displacement installation of two heat-insulation layers.
Preferably, the heat preservation structural component selects poly-isocyanurate, polyurethane or mineral wool material, the involutory surface of its one end
Upper concave convexes to form step surface so that raised during two heat preservation structural component pairings into step surface on the involutory surface of the other end
Step surface is mutually matched stable installation with recessed step surface.
Preferably, the damp-proof layer is matizhi damp-proof layer, its inside is embedded with fiberglass gridding cloth, increases damp-proof layer
Tear strength.
Preferably, the secondary damp-proof layer is stickiness aluminium foil cloth.
Preferably, the strapping is stainless steel, colligation density is 3/meter, and uniform colligation at equal intervals.
Preferably, the metal external protection is stainless steel sleeve, its ring lap width is more than 50mm, longitudinally taken
Connect width and be more than 30mm.
Preferably, the ring seam of the metal external protection is located at pipeline slope aspect lower, longitudinal seam is positioned at level
Below center line at 15~45 °.
Preferably, the separation dike is polyurethane material.
Multilayer insulation heat-insulation system disclosed in the utility model, a kind of double-deck or multilayer heat-insulation system is disclosed,
Wherein most important technical characterstic is that increase separates embankment structure, and the existing mutual width of sandwich construction is consistent, overlaps, due to
After loading cryogenic liquid compound in the duct, because first heat-insulation layer on its surface of shrinkage phenomenon is received including the second heat-insulation layer
Contracting, two heat-insulation layers are such as set into same width, and it is overlapping up and down, that mutually drives contraction to cause longitudinal spliced seam increase, enters
And make it that ambient temperature enters, heat-insulating property is reduced, separates embankment structure as two for increase in this defect the utility model
Individual heat-insulation unit it is longitudinal spliced, and will separate dike nodule structure be designed to it is low wide and up narrow so that the width of two layers of heat-insulation layer
Difference, Steps face is formed, when there is gap, the step surface structure of dislocation reduces the general of ambient temperature entrance
Rate, while separate dike and cause each section of heat-insulation unit to form an autonomous system, amount of contraction is decomposed, cold draining risk is reduced, carries
High heat-insulating property.
Compared with prior art, a kind of deep cooling pipeline multi layer heat-insulation system that the utility model discloses, have following beneficial
Part：Coordinate separation dike to realize that seam misplaces for the heat insulation layer structure of multilayer, shorten gap when shrinking, so as to ensure to be incubated
Performance, secondary damp-proof layer use aluminium foil, stop the infiltration of moisture significantly, extend the service life of heat-insulation layer, in damp-proof layer
Increase grid cloth ensure that the intensity of heat-insulation system, and the splicing of external metallization protective layer may insure splicing using joint form
Fastness, integral installation is convenient, excellent thermal insulation performance, greatly improves practicality.
Brief description of the drawings
Fig. 1 is the utility model of the whole structure diagram；
Fig. 2 is the utility model transverse sectional view；
Fig. 3 is the utility model longitudinal sectional view.
1 is deep cooling pipeline in figure, and 2 is separate dike, and 3 be the first heat-insulation layer, and 4 be secondary damp-proof layer, and 5 be the second heat-insulation layer,
6 be damp-proof layer, and 7 be metal external protection, and 8 be lower floor, and 9 be upper strata, and 10 be step surface, and 11 be heat preservation structural component, and 12 be that metal is tied
Band, 13 be First terrace, and 14 be second step face, and 15 be fiberglass gridding cloth, and 16 be overlap joint.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme of the utility model embodiment is carried out clear, complete
Description.
As shown in Figures 1 to 3, a kind of deep cooling pipeline multi layer heat-insulation system disclosed in the utility model, including deep cooling pipeline
1, the separation dike 2 of deep cooling pipeline external is bonded at equal intervals, is sleeved on guarantor of the deep cooling pipeline external between two separation dikes
Warm unit, the heat-insulation unit are followed successively by the first heat-insulation layer 3, secondary damp-proof layer 4, the second heat-insulation layer 5, damp-proof layer 6 outside by built-in
And metal external protection 7.
Particularly, the separation dike 2 is polyurethane material, including lower floor 8 and upper strata 9, and lower floor's width is more than upper strata
Width.
First heat-insulation layer 3 is sleeved on outside deep cooling pipeline 1, spacing one between its length and two separation dike lower floors
Cause, and consistency of thickness, both ends are gluing with separating dike lower floor, and second heat-insulation layer is located at outside the first heat-insulation layer, length and two
Spacing is consistent between individual separation dike upper strata, the first heat-insulation layer and the second edge insulating layer formation Steps face 10, and described first
The heat-insulation layer 5 of heat-insulation layer 3 and second is mutually combined to form by two semicircle heat preservation structural components 11, and using sealing glue sticking pairing
Face, by the colligation of metal strapping strand 12 of stainless steel outside the heat-insulation layer after pairing, colligation density is 3/meter, and between waiting
Every uniform colligation, the involutory surface fissure of displacement installation of the first heat-insulation layer 3 and the second heat-insulation layer 5, the heat preservation structural component 11 selects poly- isocyanide
Urea acid esters, polyurethane or mineral wool material, concave is into First terrace 13 on the involutory surface of its one end, on the involutory surface of the other end
Convex to form second step face 14 so that during two heat preservation structural component pairings, raised step surface and mutual of recessed step surface
Is installed with stable
The secondary damp-proof layer is stickiness aluminium foil cloth, and the damp-proof layer is matizhi damp-proof layer, and its inside is embedded with glass fibers
Grid cloth 15 is tieed up, increases the tear strength of damp-proof layer.
The metal external protection is stainless steel sleeve, and its ring lap width is more than 50mm, and the width of longitudinal lap joint 16 is big
In 30mm, the ring seam of the metal external protection is located at pipeline slope aspect lower, and longitudinal seam is located at below horizontal center line
At 15~45 °, when there is barrier side or bottom surface, longitudinal seam is moved to above horizontal center line at 60 °.
Metal external protection is from bottom to top constructed into seam downstream in laying, and seam crossing can use automatic screw or core pulling
Rivet is fixed, and constant spacing is 150~200mm, and ensures not damage damp-proof layer during installation.
Multilayer insulation heat-insulation system disclosed in the utility model, a kind of double-deck or multilayer heat-insulation system is disclosed,
Wherein most important technical characterstic is that increase separates embankment structure, and the existing mutual width of sandwich construction is consistent, overlaps, due to
After loading cryogenic liquid compound in the duct, because first heat-insulation layer on its surface of shrinkage phenomenon is received including the second heat-insulation layer
Contracting, two heat-insulation layers are such as set into same width, and it is overlapping up and down, that mutually drives contraction to cause longitudinal spliced seam increase, enters
And make it that ambient temperature enters, heat-insulating property is reduced, separates embankment structure as two for increase in this defect the utility model
Individual heat-insulation unit it is longitudinal spliced, and will separate dike nodule structure be designed to it is low wide and up narrow so that the width of two layers of heat-insulation layer
Difference, Steps face is formed, when there is gap, the step surface structure of dislocation reduces the general of ambient temperature entrance
Rate, improve heat-insulating property.
Technology contents and technical characteristic of the present utility model are had revealed that as above, but those skilled in the art still may be used
A variety of replacements and modification without departing substantially from the utility model spirit can be made based on teaching of the present utility model and announcement, therefore, this
Utility model protection scope should be not limited to the content disclosed in embodiment, and should include various without departing substantially from replacement of the present utility model
And modification, and covered by present patent application claim.
Claims (8)
- A kind of 1. deep cooling pipeline multi layer heat-insulation system, it is characterised in that：Including deep cooling pipeline, it is bonded at equal intervals outside deep cooling pipeline The separation dike in portion, is sleeved on heat-insulation unit of the deep cooling pipeline external between two separation dikes, the heat-insulation unit by it is interior extremely Outer to be followed successively by the first heat-insulation layer, secondary damp-proof layer, the second heat-insulation layer, damp-proof layer and metal external protection, heat-insulation unit is with separating Include lower floor and upper strata using sealing glue sticking, the separation dike between dike, and lower floor's width is more than upper strata width, described first Spacing is consistent between heat-insulation layer length and two separation dike lower floors, and consistency of thickness, the second heat-insulation layer length with two points Spacing is consistent between separation levee upper strata, so that the first heat-insulation layer and the second edge insulating layer form Steps face.
- 2. deep cooling pipeline multi layer heat-insulation system according to claim 1, it is characterised in that：First heat-insulation layer and second Heat-insulation layer is mutually combined to form by two semicircle heat preservation structural components, and involutory surface, which uses, seals glue sticking, the heat-insulation layer after pairing Outside is by metal strapping strand colligation, and the involutory surface fissure of displacement of the first heat-insulation layer and the second heat-insulation layer is installed.
- 3. deep cooling pipeline multi layer heat-insulation system according to claim 2, it is characterised in that：The heat preservation structural component is from poly- different Cyanurate, polyurethane or mineral wool material, concave is raised on the involutory surface of the other end into step surface on the involutory surface of its one end Form step surface so that during two heat preservation structural component pairings, raised step surface is mutually matched stable installation with recessed step surface.
- 4. deep cooling pipeline multi layer heat-insulation system according to claim 1, it is characterised in that：The damp-proof layer is prevented for matizhi Damp layer, its inside are embedded with fiberglass gridding cloth, increase the tear strength of damp-proof layer.
- 5. deep cooling pipeline multi layer heat-insulation system according to claim 1, it is characterised in that：The secondary damp-proof layer is stickiness Aluminium foil cloth.
- 6. deep cooling pipeline multi layer heat-insulation system according to claim 2, it is characterised in that：The strapping is stainless steel Matter, colligation density are 3/meter, and uniform colligation at equal intervals.
- 7. deep cooling pipeline multi layer heat-insulation system according to claim 1, it is characterised in that：The metal external protection is not Become rusty steel bushing, and its ring lap width is more than 50mm, and longitudinal lap joint width is more than 30mm.
- 8. deep cooling pipeline multi layer heat-insulation system according to claim 7, it is characterised in that：The ring of the metal external protection It is located at pipeline slope aspect lower to seam, longitudinal seam is located at below horizontal center line at 15~45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360538.2U CN207161988U (en) | 2017-04-07 | 2017-04-07 | A kind of deep cooling pipeline multi layer heat-insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360538.2U CN207161988U (en) | 2017-04-07 | 2017-04-07 | A kind of deep cooling pipeline multi layer heat-insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161988U true CN207161988U (en) | 2018-03-30 |
Family
ID=61708741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720360538.2U Expired - Fee Related CN207161988U (en) | 2017-04-07 | 2017-04-07 | A kind of deep cooling pipeline multi layer heat-insulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161988U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111793350A (en) * | 2020-08-13 | 2020-10-20 | 江苏嘉德管道工程有限公司 | Polyisocyanurate cold insulation block and pipeline adjusting device comprising same |
| CN114132012A (en) * | 2021-12-08 | 2022-03-04 | 苏州正乙丙纳米环保科技有限公司 | Environment-friendly material core material modularized assembled pipeline and manufacturing method thereof |
| CN114233939A (en) * | 2021-12-18 | 2022-03-25 | 苏州正乙丙纳米环保科技有限公司 | Winding reinforced environment-friendly material core material modular assembly pipeline and manufacturing method |
-
2017
- 2017-04-07 CN CN201720360538.2U patent/CN207161988U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111793350A (en) * | 2020-08-13 | 2020-10-20 | 江苏嘉德管道工程有限公司 | Polyisocyanurate cold insulation block and pipeline adjusting device comprising same |
| CN114132012A (en) * | 2021-12-08 | 2022-03-04 | 苏州正乙丙纳米环保科技有限公司 | Environment-friendly material core material modularized assembled pipeline and manufacturing method thereof |
| CN114233939A (en) * | 2021-12-18 | 2022-03-25 | 苏州正乙丙纳米环保科技有限公司 | Winding reinforced environment-friendly material core material modular assembly pipeline and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180330 Termination date: 20200407 |