CN104100805A - Thermal insulating pipe shell for liquefied natural gas pipeline - Google Patents
Thermal insulating pipe shell for liquefied natural gas pipeline Download PDFInfo
- Publication number
- CN104100805A CN104100805A CN201410301147.4A CN201410301147A CN104100805A CN 104100805 A CN104100805 A CN 104100805A CN 201410301147 A CN201410301147 A CN 201410301147A CN 104100805 A CN104100805 A CN 104100805A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- liquefied natural
- pipe shell
- thermal insulating
- lng liquefied
- 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.)
- Pending
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Classifications
-
- 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
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves composed of two half sleeves
Abstract
The invention discloses a thermal insulating pipe shell for a liquefied natural gas pipeline. The thermal insulating pipe shell comprises a pipe shell body with a hollow cylinder structure; the pipe shell body comprises two semi shells with consistent structures; insertion slots are arranged on the outer surfaces of the semi shells; the thermal insulating pipe shell also comprises filling strips; the filling strips are of U-shaped structures capable of being inserted into the insertion slots at the same sides of the semi shells; locking rings are arranged at the outer surfaces of the filling strips; the locking rings are provided with rope parts for fixedly connecting the two semi shells; the arc top ends of the cylindrical surfaces of the semi shells are provided with fixing columns for fixing the rope parts. The thermal insulating pipe shell has the advantages of simple structure, convenience in operation and high practicability and can overcome the defect that the heat is radiated to outside by seams between the pipe shells by heat radiation, more heat is locked without dissipation, and the thermal insulating effect is improved; the mounting construction is fast, the manufacturing cost of the pipe shell is low and the firmness and reliability are good.
Description
Technical field
The present invention relates to a kind of auxiliary member of conveyance conduit external application, particularly relate to a kind of LNG Liquefied natural gas pipe insulation shell, belong to pipeline heat-insulating technology field.
Background technique
Insulation pipe is widely used in the transmission pipeline network of liquid, gas, and on insulation conveyance conduit, pipe insulation is a very important link, and can the success or not in this link be directly connected to this pipeline and formally come into operation.
At present, for the general insulation pipe adopting of LNG Liquefied natural gas pipeline, be shell insulation, existing thermal-insulating pipe case, mainly contains two kinds, and the one, cylindrical, in axial direction open a breaking joint, during installation, thermal-insulating pipe case is opened, wrap pipe and install; The 2nd, by the synthetic circular tube shaped of two and half shells.Each mating face of these structures is plane, extremely easily makes place, mating face occur directly affecting heat insulation effect in gap during installation.The structure of these shells inevitably runs into the problem of " heat bridge ", that is to say that thermal radiation, by the outside radiations heat energy in the gap between shell and shell, causes heat loss, thereby affects heat insulation effect.
In addition, in the prior art, conveyance conduit through conventional thermal-insulating pipe case, two and half shells by certain length form, install after docking, select viscose glue lock seaming face and fix integral body, or adopting adhesive tape to carry out circumference around the binding fixation of formula to thermal-insulating pipe case outer surface, this not only makes troubles to construction, is also unfavorable for dismounting and the rear recycling of dismounting of thermal-insulating pipe case.
There is dismounting and the rear shortcoming recycling of dismounting that site operation progress is slow and be unfavorable for thermal-insulating pipe case in fixing operation of the prior art, the thermal-insulating pipe case of technique scheme, by being provided with lock ring on the cylindrical outer surface at half housing, on lock ring, the mode of connecting rope part is carried out quick fixing operation, simple in structure, constructability, solid and reliable; And dismounting is convenient and swift too, avoid using adhesive tape and bring the problem that remains the bad processing of colloid later stage in half housing outer surface, improve the recycling rate of waterused of half housing, economize on resources.
The present invention is further set to: on the circular arc top of the cylindrical outer surface of described half housing, be provided with the fixing column for stationary rope part.
The present invention is further set to: described fixing column is spaced apart on the axial direction of half housing cylindrical outer surface, and the distribution interval of described fixing column and the distribution interval of lock ring are corresponding to the same.
The present invention is further set to: described rope part is tie wire.
In order to strengthen the shell body of installing after docking, there is best solid and reliable performance, on the circular arc top of the cylindrical outer surface of half housing, be provided with fixing column, the intermediate connection point that provides set to bind for the rope part on lock ring by fixing column, make to connect more solid and reliable, thereby further make the contact on mating face tightr, guarantee high-efficiency insulated; Described rope part is preferably tie wire, constructability; More preferably zinc-plated steel wire, can avoid getting rusty and causing compromised quality to affect its soundness because of long-term use.
In sum, a kind of LNG Liquefied natural gas pipe insulation of the present invention shell, have advantages of simple in structure, easy to operate, practical, and because of the setting of slot and packing, the heat that two and half casing joint faces are radiated cuts off by packing, pin more heats, reach best heat insulation effect; Dismounting is simultaneously convenient quick, and constructing operation difficulty is low, and firm reliability is good.
Foregoing is only the general introduction of technical solution of the present invention, and for clearer understanding technological means of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
Summary of the invention
Main purpose of the present invention is, overcomes deficiency of the prior art, and a kind of LNG Liquefied natural gas pipe insulation shell is provided, and is specially adapted to the conveyance conduit of LNG Liquefied natural gas to be incubated protection.
Technical problem to be solved by this invention is to provide simple in structure, easy to operate, practical LNG Liquefied natural gas pipe insulation shell, not only can overcome thermal radiation by the shortcoming of the outside radiations heat energy in gap between shell and shell, pin more heat energy indiffusion, improve its heat insulation effect; And installation is quick, shell fabricating cost is low, and has the value in industry.
The present invention the technical problem that will further solve be thermal-insulating pipe case easy accessibility, can reuse.
In order to achieve the above object, the technical solution adopted in the present invention is:
A LNG Liquefied natural gas pipe insulation shell, comprises the shell body of hollow circuit cylinder body structure, and described shell body comprises two half housings that structure is consistent, and on the outer surface of described half housing, axial direction is provided with slot; Also comprise packing, described packing is that matched is inserted two and half housings with the U-shaped structure of side slot.
Adopt technique scheme, shell body comprises two half housings that structure is consistent, simple in structure, easy for installation, and is convenient to manufacture, and only needs die sinking a kind of, reduces cost of production; By axial direction on the outer surface at half housing, slot is set, with two and half housings that insert that match, with the U-shaped structure filling bar of side slot, fill again, the heat that two and half casing joint faces are radiated cuts off by packing, pin more heats no longer outer loose, thereby realize best heat insulation effect.Meanwhile, the thermal-insulating pipe case of technique scheme, simple in structure, easy construction, does not increase other too much cost of production expenditures, can realize high-efficiency insulated reliably.
The present invention is further set to: on the outer surface of described packing, be provided with lock ring, be connected with the rope part for two and half housings are fixedly connected with on described lock ring.
The present invention is further set to: described lock ring is spaced apart on the axial direction of packing outer surface.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of LNG Liquefied natural gas pipe insulation of the present invention shell radial direction;
Fig. 2 is the structural representation of a kind of LNG Liquefied natural gas thermo-insulated sleeve for pipe line of the present invention shell axial direction;
Fig. 3 is the radial direction schematic diagram after a kind of LNG Liquefied natural gas pipe insulation of the present invention shell is installed.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, Figure 2 and Figure 3, a kind of LNG Liquefied natural gas pipe insulation shell, comprises the shell body 1 of hollow circuit cylinder body structure, and described shell body 1 comprises two half housings 2 that structure is consistent, and on the outer surface of described half housing 2, axial direction is provided with slot 3; Also comprise packing 4, described packing 4 is the U-shaped structure of matched insertion two and half housings 2 with side slot 3.Described slot 3 parallels with LNG Liquefied natural gas pipeline, and both axial directions are consistent.
On the outer surface of above-mentioned packing 4, be provided with lock ring 41, on described lock ring 41, be connected with the rope part 42 for two and half housings 2 are fixedly connected with; Described lock ring 41 is spaced apart on the axial direction of packing 1 outer surface; Described rope part 42 is preferably zinc-plated tie wire.Also on the circular arc top of the cylindrical outer surface of described half housing 2, be provided with the fixing column 21 for stationary rope part 42; Described fixing column 21 is also spaced apart on the axial direction of half housing 2 cylindrical outer surfaces, and the distribution interval of described fixing column 21 and the distribution interval of lock ring 41 are corresponding to the same.
LNG Liquefied natural gas pipe insulation shell of the present invention, by slot 3 is set on the outer surface at half housing 2, with two and half housings 2 that insert that match, with the U-shaped structure filling bar 4 of side slot 3, fill again, the heat that two and half housing 2 mating faces are radiated cuts off by packing 4, pin more heats, thereby realize best heat insulation effect; In addition, the setting of lock ring 41, rope part 42 and fixing column 22, easy disassembly especially, improve speed of application, strengthen the shell body 1 of installing after docking and there is best solid and reliable performance, make the contact on mating face tightr simultaneously, thereby further guarantee that it is high-efficiency insulated.
Compared with prior art, innovative point of the present invention is, by changing the outer surface structure of half housing and the packing of setting up, realizes best heat insulation effect; By the setting of lock ring, rope part and fixing column, improve the tightness on shell mating face and the soundness of shell integral body, and it is convenient to make to construct, installation efficiency is high simultaneously.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a LNG Liquefied natural gas pipe insulation shell, comprises and it is characterized in that the shell body of hollow circuit cylinder body structure: described shell body comprises two half housings that structure is consistent, and on the outer surface of described half housing, axial direction is provided with slot; Also comprise packing, described packing is that matched is inserted two and half housings with the U-shaped structure of side slot.
2. a kind of LNG Liquefied natural gas pipe insulation shell according to claim 1, is characterized in that: on the outer surface of described packing, be provided with lock ring, be connected with the rope part for two and half housings are fixedly connected with on described lock ring.
3. a kind of LNG Liquefied natural gas pipe insulation shell according to claim 2, is characterized in that: described lock ring is spaced apart on the axial direction of packing outer surface.
4. a kind of LNG Liquefied natural gas pipe insulation shell according to claim 3, is characterized in that: on the circular arc top of the cylindrical outer surface of described half housing, be provided with the fixing column for stationary rope part.
5. a kind of LNG Liquefied natural gas pipe insulation shell according to claim 4, is characterized in that: described fixing column is spaced apart on the axial direction of half housing cylindrical outer surface, and the distribution interval of described fixing column and the distribution interval of lock ring are corresponding to the same.
6. a kind of LNG Liquefied natural gas pipe insulation shell according to claim 2, is characterized in that: described rope part is tie wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301147.4A CN104100805A (en) | 2014-06-27 | 2014-06-27 | Thermal insulating pipe shell for liquefied natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301147.4A CN104100805A (en) | 2014-06-27 | 2014-06-27 | Thermal insulating pipe shell for liquefied natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104100805A true CN104100805A (en) | 2014-10-15 |
Family
ID=51669203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410301147.4A Pending CN104100805A (en) | 2014-06-27 | 2014-06-27 | Thermal insulating pipe shell for liquefied natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104100805A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825932A (en) * | 2018-05-28 | 2018-11-16 | 王惠俊 | Heat supply network heat supply pipeline combines installing type heat-preservation cotton pipe |
| CN110979978A (en) * | 2019-10-15 | 2020-04-10 | 江苏通亚工程材料有限公司 | Bundling type anti-falling device for power pipe transportation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3000433A (en) * | 1956-11-07 | 1961-09-19 | Ray T Kemper | Thermal insulation for pipe |
| GB949230A (en) * | 1956-11-07 | 1964-02-12 | Ray Thomas Kemper | Thermal insulation for pipes or other hollow cylindrical bodies |
| US3204668A (en) * | 1961-08-28 | 1965-09-07 | Mmm Inc | Pipe insulation |
| GB1173430A (en) * | 1967-11-14 | 1969-12-10 | John G Stein & Company Ltd | Thermal Insulation of Tubes and Pipes |
| EP0403943A1 (en) * | 1989-06-21 | 1990-12-27 | Isolfeu Ag Zurich | Thermal insulation for pipe-line compensators |
| US5918639A (en) * | 1993-10-19 | 1999-07-06 | Power Diaphragm Technology A/S | Device for repairing damage or providing branchings on existing pipe installations |
| CN204042325U (en) * | 2014-06-27 | 2014-12-24 | 张家港市顺佳隔热技术有限公司 | A kind of LNG pipeline thermal-insulating pipe case |
-
2014
- 2014-06-27 CN CN201410301147.4A patent/CN104100805A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3000433A (en) * | 1956-11-07 | 1961-09-19 | Ray T Kemper | Thermal insulation for pipe |
| GB949230A (en) * | 1956-11-07 | 1964-02-12 | Ray Thomas Kemper | Thermal insulation for pipes or other hollow cylindrical bodies |
| US3204668A (en) * | 1961-08-28 | 1965-09-07 | Mmm Inc | Pipe insulation |
| GB1173430A (en) * | 1967-11-14 | 1969-12-10 | John G Stein & Company Ltd | Thermal Insulation of Tubes and Pipes |
| EP0403943A1 (en) * | 1989-06-21 | 1990-12-27 | Isolfeu Ag Zurich | Thermal insulation for pipe-line compensators |
| US5918639A (en) * | 1993-10-19 | 1999-07-06 | Power Diaphragm Technology A/S | Device for repairing damage or providing branchings on existing pipe installations |
| CN204042325U (en) * | 2014-06-27 | 2014-12-24 | 张家港市顺佳隔热技术有限公司 | A kind of LNG pipeline thermal-insulating pipe case |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825932A (en) * | 2018-05-28 | 2018-11-16 | 王惠俊 | Heat supply network heat supply pipeline combines installing type heat-preservation cotton pipe |
| CN110979978A (en) * | 2019-10-15 | 2020-04-10 | 江苏通亚工程材料有限公司 | Bundling type anti-falling device for power pipe transportation |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20141015 |