CN106996499A - A kind of cold insulation pipe shoe clamped for LNG pipelines - Google Patents
A kind of cold insulation pipe shoe clamped for LNG pipelines Download PDFInfo
- Publication number
- CN106996499A CN106996499A CN201710439106.5A CN201710439106A CN106996499A CN 106996499 A CN106996499 A CN 106996499A CN 201710439106 A CN201710439106 A CN 201710439106A CN 106996499 A CN106996499 A CN 106996499A
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- China
- Prior art keywords
- cold
- pipe shoe
- internal
- lng
- lng pipelines
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of cold insulation pipe shoe clamped for LNG pipelines, its structure includes metal bracing ring, coat of metal, damp-proof layer, outside Cold-keeping Layer, internal Cold-keeping Layer, insulating support, bolt, nut, packing ring, stiffener plate, base, the cold insulation pipe shoe of the LNG pipelines clamping includes external shell and internal insulation structure two large divisions, the external shell mainly includes two semi-circular metal bracing rings and base, low-thermal conductivity is used the beneficial effects of the invention are as follows insulating supporting, low thermal coefficient of expansion and high compressive strength wood materials are made, effectively support internal pipeline weight and larger heat transfer will not be caused to occur；External shell and internal insulation physical dimension can therewith change according to the change of the external diameter of LNG pipelines is overall, be applicable pipeline in extensive range；Stiffener plate structure design helps to lift the integrated carrying performance of pipe shoe on external shell.
Description
Technical field
The present invention is a kind of cold insulation pipe shoe clamped for LNG pipelines, belongs to the cold insulating tube collar of LNG pipelines clamping
Domain.
Background technology
Natural gas is increasingly favored as clean energy resource, and liquefied natural gas (LNG) is just with every year about 12% use
Amount rapid growth, increases one of most swift and violent energy as the whole world.Recently as a large amount of construction of domestic LNG acquisition platforms,
The fed distance of LNG pipelines is increasingly longer, and LNG main component is methane, and liquefied methane temperature is low up to -161 DEG C, defeated to prevent
Liquid heating vaporization during sending, it is ensured that the cold heat insulation effect of LNG pipelines on the way is most important.But prior art is in view of LNG is managed
The length increase of line, to ensure to need to carry out the clamping and fixation of pipeline, the ad-hoc location after pipeline suspended span safety, certain distance
Cold insulation, clamping and it is fixed turn into field erected one big difficult point, conventional Cold-keeping Layer can not meet clamping and it is fixed require, need
Above-mentioned functions could be realized simultaneously by wanting the device of special construction.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of cold insulating tube clamped for LNG pipelines
Footwear, to solve in view of the length increase of LNG pipelines, to ensure that pipeline suspended span is safe, needs to carry out the folder of pipeline after certain distance
Hold and fix, cold insulation, clamping and the fixation of the ad-hoc location turn into field erected one big difficult point, and conventional Cold-keeping Layer can not expire
Foot clamping and fixed requirement are, it is necessary to the problem of device of special construction could realize above-mentioned functions simultaneously.
To achieve these goals, the present invention is to realize by the following technical solutions：One kind is used for LNG Pipeline clips
The cold insulation pipe shoe held, its structure include metal bracing ring, coat of metal, damp-proof layer, outside Cold-keeping Layer, internal Cold-keeping Layer,
Insulating support, bolt, nut, packing ring, stiffener plate, base, the cold insulation pipe shoe of the LNG pipelines clamping include external shell
With internal insulation structure two large divisions, the external shell mainly includes two semi-circular metal bracing rings and base, its feature
It is：
The internal insulation structure is respectively coat of metal, damp-proof layer, outside Cold-keeping Layer and internal cold insulation from outside to inside
Layer, the internal Cold-keeping Layer is wrapped in LNG pipeline exteriors；
Locking is bolted between external shell and the internal insulation structure, the metal bracing ring passes through spiral shell
Bolt, nuts and washers connection are locked together, and the chassis interior installs insulating support.
Further, various sizes of stiffener plate, reinforcement are welded according to design bearing requirements on the external shell
It is symmetrical that plate is located at bolt both sides.
Further, it is 15mm~600mm that the cold insulation pipe shoe, which is applicable LNG pipelines external diametrical extent,.
Further, the external shell and internal insulation structure are symmetrical semi-circular pattern.
Further, the metal bracing ring the latter half is together with tube chamber welds with base.
Further, insulating support is installed on the external shell to carry internal pipeline weight, the insulating support
It is made of low-thermal conductivity, high compressive strength wood materials.
Further, the coat of metal uses 316 stainless steels, and the damp-proof layer uses foil paper material, described
Cold-keeping Layer uses high-density foam glass material.
The beneficial effects of the invention are as follows in the present invention, insulating supporting is anti-using low-thermal conductivity, low thermal coefficient of expansion and height
Compressive Strength wood materials are made, and effectively support internal pipeline weight and larger heat transfer will not be caused to occur；External shell and interior
Portion's insulation construction size can therewith change according to the change of the external diameter of LNG pipelines is overall, be applicable pipeline in extensive range；On external shell
Stiffener plate structure design helps to lift the integrated carrying performance of pipe shoe.
Brief description of the drawings
By reading the detailed description made with reference to following accompanying drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of the cold insulation pipe shoe clamped for LNG pipelines of the present invention；
In figure：Metal bracing ring -1, coat of metal -2, damp-proof layer -3, outside Cold-keeping Layer -4, internal Cold-keeping Layer -5, absolutely
Edge support -6, bolt -7, nut -8, packing ring -9, stiffener plate -10, base -11.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
Referring to Fig. 1, the present invention provides a kind of cold insulation pipe shoe technical scheme clamped for LNG pipelines：Its structure bag
Include metal bracing ring 1, coat of metal 2, damp-proof layer 3, outside Cold-keeping Layer 4, internal Cold-keeping Layer 5, insulating support 6, bolt 7, spiral shell
Mother 8, packing ring 9, stiffener plate 10, base 11, the cold insulation pipe shoe of the LNG pipelines clamping include external shell and internal insulation
Structure two large divisions, the external shell mainly includes two semi-circular metal bracing rings 1 and base 11, it is characterised in that：Institute
It is respectively coat of metal 2, damp-proof layer 3, outside Cold-keeping Layer 4 and internal Cold-keeping Layer 5, institute from outside to inside to state internal insulation structure
State internal Cold-keeping Layer 5 and be wrapped between LNG pipeline exteriors, external shell and the internal insulation structure to connect by bolt 7 and lock
Tightly, the metal bracing ring 1 is locked together by the connection of bolt 7, nut 8 and packing ring 9, and insulation is installed in the inside of base 11
Various sizes of stiffener plate is welded according to design bearing requirements on support 6, the external shell, stiffener plate is located at bolt 7
Both sides are symmetrical, and it is 15mm~600mm that the cold insulation pipe shoe, which is applicable LNG pipelines external diametrical extents, the external shell with it is interior
Portion's insulation construction is symmetrical semi-circular pattern, and the latter half of metal bracing ring 1 and base 11 weld together, described outer
Insulating support is installed to carry internal pipeline weight on portion's housing, the insulating support uses low-thermal conductivity, high pressure resistance
Degree wood materials are made, and the coat of metal 2 uses 316 stainless steels, and the damp-proof layer 3 uses foil paper material, described
Cold-keeping Layer uses high-density foam glass material.
Damp-proof layer 3 described in this patent uses foil paper material, and metal foil paper is one kind by two kinds of materials of metal foil film and body paper
Expect the extrusion coating paper constituted, the sparking flash of light in front, reverse side is mainly used in decoration or packing article, can also be made trade mark etc. with paper gasket support
It is used.Manufacture craft editor is rolled into metal material very thin paillon foil, using the resin of melting under the strong pressure of pressure roller, will
Tinsel by preheating gets up and is made with foil mounting paper bonding, and also useful metal Vacuum Coating method, i.e., true in height
The metal condensation of evaporation is set to be formed on paper under empty condition.
When carrying out field installation, the latter half of metal bracing ring 1 and base 11 are welded together, and insulating support is installed
6, since internal foam glass Cold-keeping Layer 5 by it is interior install successively outward it is cold insulation pipe shoe top half, check each several part it
Between gap, afterwards by it is cold insulation pipe shoe the latter half Cold-keeping Layer be bound together being installed on gold integrally through insulating support 6
Belong to bracing ring 1 the latter half, two metal bracing rings 1 of last casing part are by bolt 7 and nut 8 successively by metal coating
Layer 2, damp-proof layer 3, outside Cold-keeping Layer 4, internal Cold-keeping Layer 5 and LNG pipelines are locked in one, realize the specific branch of LNG pipelines
Support the cold insulation of position, clamp and fixed.
The invention belongs to bracing ring 1, coat of metal 2, damp-proof layer 3, outside Cold-keeping Layer 4, internal Cold-keeping Layer 5, insulating support
6th, bolt 7, nut 8, packing ring 9, stiffener plate 10, the part of base 11 are that universal standard part or those skilled in the art know
Part, its structure and principle are all that this technology personnel can be learnt by technical manual or be known by normal experiment method, this
The problem of invention is solved is the length increase in view of LNG pipelines, to need to be managed after ensureing pipeline suspended span safety, certain distance
The clamping and fixation of line, cold insulation, clamping and the fixation of the ad-hoc location turn into field erected one big difficult point, conventional Cold-keeping Layer
Clamping and fixed requirement can not be met, it is necessary to which the device of special construction could be while realize above-mentioned functions, the present invention is by above-mentioned
Part is combined with each other, and insulating supporting is made of low-thermal conductivity, low thermal coefficient of expansion and high compressive strength wood materials, have
Effect supports internal pipeline weight and larger heat transfer will not be caused to occur；External shell and internal insulation physical dimension can bases
The external diameter change of LNG pipelines is overall to be changed therewith, is applicable pipeline in extensive range；There is stiffener plate structure design on external shell
Help be lifted the integrated carrying performance of pipe shoe.
It is described in detail below：
The cold insulation pipe shoe of the LNG pipelines clamping includes external shell and internal insulation structure two large divisions, described outer
Portion's housing mainly includes two semi-circular metal bracing rings 1 and base 11, and the internal insulation structure is respectively gold from outside to inside
Belong to protective layer 2, damp-proof layer 3, outside Cold-keeping Layer 4 and internal Cold-keeping Layer 5, the internal Cold-keeping Layer 5 is wrapped in LNG pipeline exteriors；
Connected and locked by bolt 7 between external shell and the internal insulation structure, the metal bracing ring 1 passes through bolt 7, nut
8 and the connection of packing ring 9 be locked together, insulating support 6 is installed in the inside of the base 11.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, all should be by no matter from the point of view of which point
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
It is bright to limit, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (5)
1. it is a kind of for LNG pipelines clamp cold insulation pipe shoe, its structure include metal bracing ring (1), coat of metal (2),
Damp-proof layer (3), outside Cold-keeping Layer (4), internal Cold-keeping Layer (5), insulating support (6), bolt (7), nut (8), packing ring (9) plus
Strengthening tendons plate (10), base (11), the cold insulation pipe shoe of the LNG pipelines clamping includes external shell and internal insulation structure two is big
Part, the external shell mainly includes two semi-circular metal bracing rings (1) and base (11), it is characterised in that：
The internal insulation structure is respectively coat of metal (2), damp-proof layer (3), outside Cold-keeping Layer (4) and inside from outside to inside
Cold-keeping Layer (5), the internal Cold-keeping Layer (5) is wrapped in LNG pipeline exteriors；
Connected and locked by bolt (7) between external shell and the internal insulation structure, the metal bracing ring (1) passes through spiral shell
Bolt (7), nut (8) and packing ring (9) connection are locked together, and insulating support (6) is installed inside the base (11).
2. a kind of cold insulation pipe shoe clamped for LNG pipelines according to claim 1, it is characterised in that：The outside
Various sizes of stiffener plate is welded according to design bearing requirements on housing, it is symmetrical that stiffener plate is located at bolt (7) both sides.
3. a kind of cold insulation pipe shoe clamped for LNG pipelines according to claim 1, it is characterised in that：The cold guarantor
It is 15mm~600mm that warm pipe shoe, which is applicable LNG pipelines external diametrical extent,.
4. a kind of cold insulation pipe shoe clamped for LNG pipelines according to claim 1, it is characterised in that：The outside
Housing and internal insulation structure are symmetrical semi-circular pattern.
5. a kind of cold insulation pipe shoe clamped for LNG pipelines according to claim 1, it is characterised in that：The metal
Bracing ring (1) the latter half and base (11) weld together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439106.5A CN106996499A (en) | 2017-06-12 | 2017-06-12 | A kind of cold insulation pipe shoe clamped for LNG pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439106.5A CN106996499A (en) | 2017-06-12 | 2017-06-12 | A kind of cold insulation pipe shoe clamped for LNG pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106996499A true CN106996499A (en) | 2017-08-01 |
Family
ID=59436125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710439106.5A Pending CN106996499A (en) | 2017-06-12 | 2017-06-12 | A kind of cold insulation pipe shoe clamped for LNG pipelines |
Country Status (1)
| Country | Link |
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| CN (1) | CN106996499A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039222A (en) * | 2021-11-10 | 2022-02-11 | 国网山东省电力公司高密市供电公司 | Thermal expansion wiring clamp device and mounting method |
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|---|---|---|---|---|
| CN201582495U (en) * | 2009-12-22 | 2010-09-15 | 中冶南方工程技术有限公司 | Novel heat-insulation fixed support for freezing water tube |
| CN202165700U (en) * | 2011-11-23 | 2012-03-14 | 海工英派尔工程有限公司 | Low-temperature liquefied petroleum gas transport pipeline guiding-supporting device |
| DE102010061797A1 (en) * | 2010-11-23 | 2012-05-24 | R & M Ship Tec Gmbh | Pipeline for conveying liquefied gas |
| CN202729003U (en) * | 2012-07-16 | 2013-02-13 | 安徽省化工设计院 | Horizontal vessel support structure |
| CN203500686U (en) * | 2013-09-05 | 2014-03-26 | 天津世纪天源集团有限公司 | Anti-corrosion heat-insulation pipe for transferring geothermal fluid |
| CN203613794U (en) * | 2013-12-13 | 2014-05-28 | 振华集团（昆山）建设工程有限公司 | Wooden shaping cylindrical formwork |
| CN204226856U (en) * | 2014-10-30 | 2015-03-25 | 天津华迈燃气装备股份有限公司 | Be beneficial to the cold insulation pipe carrier with Cold-keeping Layer structure of equipment pipe cold insulation |
| CN205908945U (en) * | 2016-07-01 | 2017-01-25 | 广东省工业设备安装有限公司 | Tight clamp of deciding can be dismantled in piping insulation special use |
| CN206861155U (en) * | 2017-06-12 | 2018-01-09 | 天津华利保温建材有限公司 | A kind of cold insulation pipe shoe for the clamping of LNG pipelines |
-
2017
- 2017-06-12 CN CN201710439106.5A patent/CN106996499A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582495U (en) * | 2009-12-22 | 2010-09-15 | 中冶南方工程技术有限公司 | Novel heat-insulation fixed support for freezing water tube |
| DE102010061797A1 (en) * | 2010-11-23 | 2012-05-24 | R & M Ship Tec Gmbh | Pipeline for conveying liquefied gas |
| CN202165700U (en) * | 2011-11-23 | 2012-03-14 | 海工英派尔工程有限公司 | Low-temperature liquefied petroleum gas transport pipeline guiding-supporting device |
| CN202729003U (en) * | 2012-07-16 | 2013-02-13 | 安徽省化工设计院 | Horizontal vessel support structure |
| CN203500686U (en) * | 2013-09-05 | 2014-03-26 | 天津世纪天源集团有限公司 | Anti-corrosion heat-insulation pipe for transferring geothermal fluid |
| CN203613794U (en) * | 2013-12-13 | 2014-05-28 | 振华集团（昆山）建设工程有限公司 | Wooden shaping cylindrical formwork |
| CN204226856U (en) * | 2014-10-30 | 2015-03-25 | 天津华迈燃气装备股份有限公司 | Be beneficial to the cold insulation pipe carrier with Cold-keeping Layer structure of equipment pipe cold insulation |
| CN205908945U (en) * | 2016-07-01 | 2017-01-25 | 广东省工业设备安装有限公司 | Tight clamp of deciding can be dismantled in piping insulation special use |
| CN206861155U (en) * | 2017-06-12 | 2018-01-09 | 天津华利保温建材有限公司 | A kind of cold insulation pipe shoe for the clamping of LNG pipelines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039222A (en) * | 2021-11-10 | 2022-02-11 | 国网山东省电力公司高密市供电公司 | Thermal expansion wiring clamp device and mounting method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170801 |
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| RJ01 | Rejection of invention patent application after publication |