CN110145689A - A kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure and its installation method - Google Patents
A kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure and its installation method Download PDFInfo
- Publication number
- CN110145689A CN110145689A CN201910472608.7A CN201910472608A CN110145689A CN 110145689 A CN110145689 A CN 110145689A CN 201910472608 A CN201910472608 A CN 201910472608A CN 110145689 A CN110145689 A CN 110145689A
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- Prior art keywords
- sleeve
- vault
- cryogenic piping
- prefabricated section
- pir
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/22—Assembling processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure and its installation methods, including outer tank vault, inner canister furred ceiling and the cryogenic piping being threaded through between outer tank vault and inner canister furred ceiling, the cryogenic piping upper end position is equipped with vault sleeve, the cryogenic piping lower end is equipped with furred ceiling sleeve, support plate is equipped with above the furred ceiling sleeve, it is being arranged with internal layer PIR prefabricated section between vault sleeve top and support plate on the outside of the cryogenic piping, outer layer PIR prefabricated section is equipped between the vault sleeve and internal layer PIR prefabricated section；The beneficial effects of the present invention are: the structure cold insulation works well, simple installation, in effective solution sleeve using traditional glass cotton interstitital texture in During Process of Long-term Operation due to cold draining caused by settling, also solve the problems, such as that use site foamed thermal insulating structure can not be carried out in subsequent welding in sleeve, improve the safety and reliability of partial structurtes simultaneously.
Description
Technical field
The present invention relates to large-scale low-temperature storage tank technical fields, and in particular to a kind of low-temperature storage tank vault cryogenic piping sleeve guarantor
Air-cooled structure and its installation method.
Background technique
More and more large-scale low-temperature storage tanks are applied to the energy, petrochemical industry, these large-scale low-temperature storage tanks mostly use normal pressure
The inlet and outlet of vertical and cylindrical structure, pipeline are arranged at tank deck.With the use of storage tank, traditional glass cotton fills tube-in-tube structure
Generated due to self gravity and own material be not resilient etc. in During Process of Long-term Operation sedimentation and caused by cold draining, answer in advance
In power concrete low-temperature storage tank sleeve in use site foamed thermal insulating structure and integral installation to outer tank vault, but for double
The low-temperature storage tank of layer metal, needs welded seal between sleeve and vault, according to being pre-charged with foamed material in sleeve, the material
It can be destroyed due to the high temperature produced by unbearable welding.
Summary of the invention
In order to solve the problems in the existing technology, the present invention provides a kind of low-temperature storage tank vault cryogenic piping sleeves
Cold insulation structure and its installation method, for solving current large-scale low-temperature storage tank vault cryogenic piping sleeve insulation cold draining and construction peace
The problem of dress.
Technical scheme is as follows:
A kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, including outer tank vault, inner canister furred ceiling and be threaded through outer tank arch
Cryogenic piping between top and inner canister furred ceiling, which is characterized in that the cryogenic piping upper end position is equipped with vault sleeve, described low
Warm lower end of duct is equipped with furred ceiling sleeve, and support plate is equipped with above the furred ceiling sleeve, is being located at vault on the outside of the cryogenic piping
It is arranged with internal layer PIR prefabricated section between sleeve top and support plate, is equipped between the vault sleeve and internal layer PIR prefabricated section outer
Layer PIR prefabricated section, mineral wool is respectively set between the vault sleeve bottom and inner canister furred ceiling and inner canister furred ceiling top position.
A kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, which is characterized in that vault sleeve bottom
Portion is equipped with fixed plate, is setting fluting setting grip block positioned at fixed bit on the internal layer PIR prefabricated section, described grip block one end is embedding
Enter internal layer PIR prefabricated section, the other end is fixed by bolt and nut and fixed plate, while assist admittedly by tapping screw
It is fixed.
A kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, which is characterized in that vault sleeve bottom
At least provided with layer glass cotton between portion and inner canister furred ceiling, and glass fabric is enclosed on the outside of mineral wool.
A kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, which is characterized in that the glass fabric
Splicing seams between be fixed temporarily using the conjunction of common cotton linear slit, and carry out tying up fixation by stainless steel wire.
A kind of installation method of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, which is characterized in that including walking as follows
It is rapid:
Step 1): first low temperature glue will be smeared on the inside of internal layer PIR prefabricated section and at splicing seams, then internal layer PIR prefabricated section is installed
On the outside of cryogenic piping, between vault sleeve and support plate；
Step 2: by except the base, other faces smear low temperature glue, along vault sleeve and internal layer PIR on the outside of outer layer PIR prefabricated section
Gap between prefabricated section is filled in, and ensures the splicing between the splicing seams between outer layer PIR prefabricated section and internal layer PIR prefabricated section
Seam is staggered；
Step 3): grip block one end is embedded in internal layer PIR prefabricated section, one end is using bolt and nut and is welded on vault sleeve
Fixed plate is fixed, while being auxiliarily fixed by tapping screw；
Step 4): vault sleeve is wrapped up to inner canister ceiling areas using at least layer glass cotton, between same layer mineral wool
It is fixed temporarily using the conjunction of common cotton linear slit, while being wrapped up on the outside of mineral wool using glass fabric, glass fabric splicing
It is fixed temporarily between seam using the conjunction of common cotton linear slit, carries out tying up fixation using stainless steel wire after completion.
Step 5): inner canister furred ceiling upper area is laid with mineral wool, and vault cryogenic piping sleeve cold insulation structure is completed.
The installation method of a kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, which is characterized in that described
Splicing seams between splicing seams between outer layer PIR prefabricated section and internal layer PIR prefabricated section, which are staggered 90 °, to be arranged.
The beneficial effects of the present invention are: the structure cold insulation works well, simple installation is used in effective solution sleeve
Traditional glass cotton interstitital texture, due to cold draining caused by settling, while also solving in sleeve using existing in During Process of Long-term Operation
Foamed thermal insulating structure improves the safety of partial structurtes and reliable the problem of subsequent welding can not carry out
Property.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the face A-A sectional view of the invention；
Fig. 3 is the face B-B sectional view of the invention；
Fig. 4 is schematic enlarged-scale view at C of the invention；
Fig. 5 is step 1) schematic diagram of the present invention；
Fig. 6 is step 2 schematic diagram of the present invention；
Fig. 7 is step 3) schematic diagram of the present invention；
Fig. 8 is step 4) schematic diagram of the present invention；
Fig. 9 is step 5) schematic diagram of the present invention；
In figure: 1- cryogenic piping, 2- vault sleeve, 3- internal layer PIR prefabricated section, 4- outer tank vault, 5- mineral wool, 6- stainless steel
Silk, 7- glass fabric, 8- support plate, 9- furred ceiling sleeve, 10- inner canister furred ceiling, 11- grip block, 12- bolt and nut, 13- self tapping
Screw, 14- fixed plate, 15- low temperature glue, 16- outer layer PIR prefabricated section.
Specific embodiment
Below in conjunction with Figure of description, the invention will be further described.
As shown in figs 1-9, a kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, including cryogenic piping 1, vault set
Cylinder 2, PIR prefabricated section 3, outer tank vault 4, mineral wool 5, stainless steel wire 6, glass fabric 7, support plate 8, furred ceiling sleeve 9, inner canister
Furred ceiling 10, grip block 11, bolt and nut 12, tapping screw 13, fixed plate 14, low temperature glue 15 and outer layer PIR prefabricated section 16.
Low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, including outer tank vault 4, inner canister furred ceiling 10 and it is threaded through outer tank
Cryogenic piping 1 between vault 4 and inner canister furred ceiling 10,1 upper end position of cryogenic piping are equipped with vault sleeve 2,1 lower end of cryogenic piping
Equipped with furred ceiling sleeve 9, support plate 8 is equipped with above furred ceiling sleeve 9,1 outside of cryogenic piping is being located at 2 top of vault sleeve and support
It is arranged with internal layer PIR prefabricated section 3 between plate 8, outer layer PIR prefabricated section 16 is equipped between vault sleeve 2 and internal layer PIR prefabricated section 3,
Mineral wool 5 is respectively set between 2 bottom of vault sleeve and inner canister furred ceiling 10 and 10 top position of inner canister furred ceiling.
Wherein 2 bottom of vault sleeve is equipped with fixed plate 14, is setting fluting setting positioned at fixed bit on internal layer PIR prefabricated section 3
Grip block 11,11 one end of grip block are embedded in internal layer PIR prefabricated section 3, and the other end is consolidated by bolt and nut 12 and fixed plate 14
It is fixed, while being auxiliarily fixed by tapping screw 13.
Wherein at least provided with layer glass cotton 5 between 2 bottom of vault sleeve and inner canister furred ceiling 10, and wrapped on the outside of mineral wool 5
It is wrapped with glass fabric 7；It is fixed temporarily between the splicing seams of glass fabric 7 using the conjunction of common cotton linear slit, and passes through stainless steel
Silk 6 carries out tying up fixation.
The installation method of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, the specific steps are as follows:
Step 1) is as shown in figure 5, first will smear low temperature glue 15 at 3 inside of PIR prefabricated section and splicing seams, then by PIR prefabricated section 3
It is installed between 1 outside of cryogenic piping, vault sleeve 2 and support plate 8.
Step 2 is as shown in fig. 6, except the base by outside P IR prefabricated section 3, other faces smear low temperature glue, along vault set
Gap between 2 and internal layer PIR of cylinder prefabricated section 3 is filled in, and ensures that the splicing seams between outer layer PIR prefabricated section 3 and internal layer PIR are pre-
Splicing seams between clamp dog 3 are staggered, and 90 degree best.
Step 3) as shown in fig. 7, by 11 one end of grip block be embedded in internal layer PIR prefabricated section 3, one end using bolt and nut 12 with
The fixed plate 14 being welded on vault sleeve 2 is fixed, while being auxiliarily fixed by tapping screw 13.
Step 4) is as shown in figure 8, wrap vault sleeve 2 to 10 region of inner canister furred ceiling using at least layer glass cotton 5
It wraps up in, is fixed temporarily between same layer mineral wool using the conjunction of common cotton linear slit, while being carried out on the outside of mineral wool 5 using glass fabric 7
It wraps up, is fixed temporarily between glass fabric splicing seams using the conjunction of common cotton linear slit, is tied after completion using stainless steel wire 6
It pricks and fixes.
Step 5) is as shown in figure 9,10 upper area of inner canister furred ceiling is laid with mineral wool 5, vault cryogenic piping sleeve cold insulation knot
Structure is completed.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, such as
PIR prefabricated section can be used other and can not substantially compressibility cold insulation material replace, such as foam glass brick, PUR；Although referring to aforementioned
Invention is explained in detail for embodiment, those skilled in the art should understand that: it still can be to aforementioned
Technical solution documented by embodiment is modified, or equivalent substitution of some or all of the technical features；And
These are modified or replaceed, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, including outer tank vault (4), inner canister furred ceiling (10) and wear
Cryogenic piping (1) between outer tank vault (4) and inner canister furred ceiling (10), which is characterized in that cryogenic piping (1) the upper end position
It has installed vault sleeve (2), cryogenic piping (1) lower end is equipped with furred ceiling sleeve (9), is equipped with above the furred ceiling sleeve (9)
Support plate (8), cryogenic piping (1) outside are being arranged with internal layer between vault sleeve (2) top and support plate (8)
PIR prefabricated section (3) is equipped with outer layer PIR prefabricated section (16) between the vault sleeve (2) and internal layer PIR prefabricated section (3), described
Mineral wool (5) are respectively set between vault sleeve (2) bottom and inner canister furred ceiling (10) and inner canister furred ceiling (10) top position.
2. a kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure according to claim 1, which is characterized in that described
Vault sleeve (2) bottom is equipped with fixed plate (14), is setting fluting setting folder positioned at fixed bit on the internal layer PIR prefabricated section (3)
It holds plate (11), described grip block (11) one end is embedded in internal layer PIR prefabricated section (3), and the other end passes through bolt and nut (12) and fixed
Plate (14) is fixed, while being auxiliarily fixed by tapping screw (13).
3. a kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure according to claim 1, which is characterized in that described
At least provided with layer glass cotton (5) between vault sleeve (2) bottom and inner canister furred ceiling (10), and it is enclosed on the outside of mineral wool (5)
Glass fabric (7).
4. a kind of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure according to claim 3, which is characterized in that described
It is fixed temporarily between the splicing seams of glass fabric (7) using the conjunction of common cotton linear slit, and tie up admittedly by stainless steel wire (6)
It is fixed.
5. a kind of installation method of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure, which comprises the steps of:
Step 1): first will smear low temperature glue (15) on the inside of internal layer PIR prefabricated section (3) and at splicing seams, then that internal layer PIR is prefabricated
Block (3) is installed on the outside of cryogenic piping (1), between vault sleeve (2) and support plate (8)；
Step 2: by except the base, other faces smear low temperature glue on the outside of outer layer PIR prefabricated section (16), along vault sleeve (2) and
Gap between internal layer PIR prefabricated section (3) is filled in, and ensures that the splicing seams between outer layer PIR prefabricated section (16) and internal layer PIR are pre-
Splicing seams between clamp dog (3) are staggered；
Step 3): being embedded in internal layer PIR prefabricated section (3) for grip block (11) one end, and one end uses bolt and nut (12) and is welded on
Fixed plate (14) on vault sleeve (2) is fixed, while being auxiliarily fixed by tapping screw (13)；
Step 4): vault sleeve (2) is wrapped up to inner canister furred ceiling (10) region using at least layer glass cotton (5), same layer
It is fixed temporarily between mineral wool (5) using the conjunction of common cotton linear slit, while being carried out on the outside of mineral wool (5) using glass fabric (7)
It wraps up, is fixed temporarily between glass fabric (7) splicing seams using the conjunction of common cotton linear slit, uses stainless steel wire (6) after completing
It carries out tying up fixation；
Step 5): inner canister furred ceiling (10) upper area is laid with mineral wool (5), and vault cryogenic piping sleeve cold insulation structure is completed.
6. a kind of installation method of low-temperature storage tank vault cryogenic piping sleeve cold insulation structure according to claim 5, special
Sign is that the splicing seams between splicing seams and internal layer PIR prefabricated section (3) between the outer layer PIR prefabricated section (16) are staggered 90 °
Setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472608.7A CN110145689B (en) | 2019-05-31 | 2019-05-31 | Cold insulation structure of low-temperature storage tank vault low-temperature pipeline sleeve and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910472608.7A CN110145689B (en) | 2019-05-31 | 2019-05-31 | Cold insulation structure of low-temperature storage tank vault low-temperature pipeline sleeve and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110145689A true CN110145689A (en) | 2019-08-20 |
| CN110145689B CN110145689B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910472608.7A Active CN110145689B (en) | 2019-05-31 | 2019-05-31 | Cold insulation structure of low-temperature storage tank vault low-temperature pipeline sleeve and installation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202419128U (en) * | 2011-12-31 | 2012-09-05 | 张家港中集圣达因低温装备有限公司 | Low-temperature storage tank |
| CN204693029U (en) * | 2015-05-15 | 2015-10-07 | 华陆工程科技有限责任公司 | With the low-temperature storage tank residual oil in tank of light-duty adiabatic furred ceiling |
| CN205155458U (en) * | 2015-11-10 | 2016-04-13 | 晋城华港燃气有限公司 | LNG storage tank tank deck sleeve pipe heat preservation system |
| CN105856602A (en) * | 2016-04-26 | 2016-08-17 | 中国海洋石油总公司 | Manufacturing technology for cold-preserving and heat-insulating sleeve of full-capacity liquefied natural gas storage tank |
| JP2017198315A (en) * | 2016-04-28 | 2017-11-02 | 川崎重工業株式会社 | Method for installing expansion pipe for low temperature storage tank and expansion pipe for low temperature storage tank |
| CN107795845A (en) * | 2016-09-05 | 2018-03-13 | 张家港中集圣达因低温装备有限公司 | Three-layer metal wall contains storage tank entirely |
| CN210107042U (en) * | 2019-05-31 | 2020-02-21 | 中国空分工程有限公司 | Low temperature storage tank vault low temperature pipeline sleeve cold insulation structure |
-
2019
- 2019-05-31 CN CN201910472608.7A patent/CN110145689B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202419128U (en) * | 2011-12-31 | 2012-09-05 | 张家港中集圣达因低温装备有限公司 | Low-temperature storage tank |
| CN204693029U (en) * | 2015-05-15 | 2015-10-07 | 华陆工程科技有限责任公司 | With the low-temperature storage tank residual oil in tank of light-duty adiabatic furred ceiling |
| CN205155458U (en) * | 2015-11-10 | 2016-04-13 | 晋城华港燃气有限公司 | LNG storage tank tank deck sleeve pipe heat preservation system |
| CN105856602A (en) * | 2016-04-26 | 2016-08-17 | 中国海洋石油总公司 | Manufacturing technology for cold-preserving and heat-insulating sleeve of full-capacity liquefied natural gas storage tank |
| JP2017198315A (en) * | 2016-04-28 | 2017-11-02 | 川崎重工業株式会社 | Method for installing expansion pipe for low temperature storage tank and expansion pipe for low temperature storage tank |
| CN107795845A (en) * | 2016-09-05 | 2018-03-13 | 张家港中集圣达因低温装备有限公司 | Three-layer metal wall contains storage tank entirely |
| CN210107042U (en) * | 2019-05-31 | 2020-02-21 | 中国空分工程有限公司 | Low temperature storage tank vault low temperature pipeline sleeve cold insulation structure |
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| Publication number | Publication date |
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| CN110145689B (en) | 2023-08-22 |
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