CN105020571B - High-strength anti-flaming liquefied gas heat insulation tank and its installation method - Google Patents
High-strength anti-flaming liquefied gas heat insulation tank and its installation method Download PDFInfo
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- CN105020571B CN105020571B CN201510452980.3A CN201510452980A CN105020571B CN 105020571 B CN105020571 B CN 105020571B CN 201510452980 A CN201510452980 A CN 201510452980A CN 105020571 B CN105020571 B CN 105020571B
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Abstract
The present invention relates to a kind of high-strength anti-flaming liquefied gas heat insulation tank, it is characterised in that：It includes tank body（1）, tank body（1）External stability arc cystosepiment（2）, the arc cystosepiment on multiple same circumference（2）Constitute two arc cystosepiments adjacent on a support ring, different circumference（2）Between, lower floor's froth bed is disposed with from top to bottom（3）, lower floor's glass web（4）, upper foam layer（5）, upper strata glass web（6）, arc cystosepiment（2）Top be fixed with polyureas coat（7）, polyureas coat（7）With upper foam layer（5）Between fill foam.This liquefied gas heat insulation tank is not only easy to make, can be prefabricated in advance, saves material, improves the producing efficiency of heat-insulation layer, while tank surface is smooth, smooth, it is attractive in appearance.
Description
Technical field
It is that a kind of intensity is higher the present invention relates to a kind of liquefied gas heat insulation tank, toughness preferably, and has preferable sealing thermal insulation
The liquefied gas heat insulation tank of function.
Background technology
LNG（Liquefied Natural Gas）Ship is the special purpose ship of the transport liquefied gases under subzero 163 degrees Celsius of low temperature
Oceangoing ship, in this natural gas carrier vessel of new generation, storage has the storage tank being incubated to liquefied natural gas, is sprayed on liquid pipe surface
Insulation construction is sealed and insulation effect to play storage, can prevent fluid seepage.
But be by the scene in tank body table when carrying out heat-insulation layer making to the liquefied gas heat insulation tank surface on ship in the past
Glass web is laid in face, and spray foam re-lays stainless steel cloth, and last spray polyurea completes to make.But the liquid being so made
Changing gas heat insulation tank needs to waste substantial amounts of material, and cost is higher, simultaneously because being constructed on tank body, operation inconvenience makes effect
Rate is not high, and the polyurea layer of most surface is formed after the online spray polyurea of stainless steel wire, and the shaping of outer surface depends on inside
PU is foam-formed（To reach that aesthetic froth bed needs polishing）, therefore polyurea layer out-of-flatness, it is rough attractive in appearance.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of high-strength anti-flaming liquefaction heat insulation tank and its installation side
Method, the insulation construction of this liquid gas storage tank is not only easy to make, can be prefabricated in advance, saves material, improves the system of heat-insulation layer
Make efficiency, while tank surface is smooth, smooth, it is attractive in appearance.
The object of the present invention is achieved like this：
A kind of high-strength anti-flaming liquefied gas heat insulation tank, it includes tank body, the external stability arc cystosepiment of tank body, Duo Getong
Arc cystosepiment on one circumference is constituted between two arc cystosepiments adjacent on a support ring, different circumference, from it is lower to
On be disposed with lower floor's froth bed, lower floor's glass web, upper foam layer, upper strata glass web, the top of arc cystosepiment is fixed
There is polyureas coat, foam is filled between polyureas coat and upper foam layer.
The polyureas coat includes stainless steel cloth, by the online spray polyurea layer of stainless steel wire, making stainless steel cloth
It is coated in polyurea layer and forms completely, the top surface of the polyurea layer is shiny surface, and bottom is mat surface.
Evacuated insulation panel is additionally provided with the tank body, the top of the evacuated insulation panel is to be sprayed above glass web, glass web
A little foam, bottom is foam, and evacuated insulation panel is arranged between upper strata glass web and polyureas coat.
It is provided with inside the arc cystosepiment at the top of glass web, arc cystosepiment and is covered with one layer of glass web, glass web
The glass web that outside is covered with the top of polyurea layer, arc cystosepiment is connected with upper strata glass web.
On same circumference gap is left between two neighboring arc cystosepiment.
Fixed between the arc cystosepiment bottom and tank body by foam.
A kind of the step of installation method of high-strength anti-flaming liquefied gas heat insulation tank is：
First, prefabricated arc cystosepiment；
2nd, prefabricated polyureas coat；
3rd, in-site installation is removed with prefabricated arc cystosepiment and polyureas coat, arc cystosepiment is fixed on by foam
Tank surface；
4th, between two arc cystosepiments, spray foam, then one layer of glass web, then spray foam are arranged, re-lay one
Layer glass web, and this layer of glass web is connected with the glass web at the top of arc cystosepiment, then spray foam in the above；
5th, the both sides of polyureas coat are fixed on two adjacent arc cystosepiments；
6th, drilled at the top of polyureas coat, inject PU foams, will be filled up between polyureas coat and arc cystosepiment；
7th, in the western stuck glue of drill hole of polyureas coat, hole is blocked；
8th, the outer seam of adjacent two pieces of polyureas is by being covered with stainless steel cloth, stainless steel cloth surface spraying polyureas
To bond.
Installation steps are added after step 4：Vacuum insulation is placed between two arc cystosepiments after having sprayed foam
Plate, the top laying glass web of evacuated insulation panel, bottom is fixed by spray foam with lower section.
Compared with prior art, the beneficial effects of the invention are as follows：
This high-strength anti-flaming liquefied gas heat insulation tank is easy to make by shifting to an earlier date prefabricated arc cystosepiment and polyureas coat,
And material can be saved, the field fabrication efficiency of heat-insulation layer is improved, while prefabricated arc cystosepiment and polyureas coat
It is batch production, without making at the scene, its outer surface flat smooth is attractive in appearance, reduces the time subsequently polished, time saving province
Power, simultaneously because polyureas coat is installed according to arc cystosepiment, and glass web at the top of arc cystosepiment by with froth bed
Outermost layer glass web is connected, the anti crack performance of reinforced insulation layer.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram of high-strength anti-flaming liquefied gas heat insulation tank surface of the present invention arc cystosepiment.
Fig. 2 is the sectional view of arc cystosepiment in Fig. 1.
Fig. 3 is the sectional view of two neighboring arc cystosepiment and polyureas coat.
Fig. 4 is the sectional view of polyureas coat in Fig. 2.
Wherein：Tank body 1, arc cystosepiment 2, lower floor's froth bed 3, lower floor's glass web 4, upper foam layer 5, upper strata glass web
6th, polyureas coat 7, stainless steel cloth 7.1, polyurea layer 7.2, shiny surface 7.3, mat surface 7.4.
Embodiment
Referring to Fig. 1 to Fig. 3, the present invention relates to a kind of high-strength anti-flaming liquefied gas heat insulation tank, including tank body 1, tank body 1 it is outer
The arc cystosepiment 2 that portion is provided with multiple prefabricated arc cystosepiments 2, multiple same circumference constitutes a support ring, support
Ring equidistant placement is spaced by tank body 1, leaves gap, the arc on same circumference between two neighboring arc cystosepiment 2
Anti-crack function is played in the inside of cystosepiment 2 provided with glass web, and the top of arc cystosepiment 2 is covered with one layer of glass web, the outside of glass web
Repave and polyureas is sprayed with outside one layer of stainless steel cloth, stainless steel cloth, foam is passed through between the bottom of arc cystosepiment 2 and tank body 1
It is fixed, on different circumference parallel and adjacent to two arc cystosepiments 2 between, lower floor's froth bed is disposed with from top to bottom
3rd, lower floor's glass web 4, upper foam layer 5, upper strata glass web 6.
In order to improve the effect of anti-cracking of tank body 1, the glass web at the top of arc cystosepiment 2 is connected with upper strata glass web 6.
The top of arc cystosepiment 2 is provided with prefabricated polyureas coat 7, the both sides self-tapping screw of the polyureas coat 7
The top of arc cystosepiment 2, such as Fig. 3 are fixed on, the thickness of polyureas coat 7 is 2-4mm, and the polyureas coat 7 includes stainless steel wire
Net 7.1, by the spray polyurea layer 7.2 on stainless steel cloth 7.1, makes stainless steel cloth 7.1 be coated on completely in polyurea layer 7.2
Form, the top surface of the polyurea layer 7.2 is shiny surface 7.3, the bottom of polyurea layer 7.2 forms coarse due to stainless steel cloth 7.1
Face 7.4.
The top of each arc cystosepiment 2 is covered after polyureas coat 7 in length and breadth, and the both sides of polyureas coat 7 are fixed on into arc
The top of cystosepiment 2, is then punched on the surface of polyureas coat 7, fills foam between polyureas coat 7 and upper foam layer 5, finally
With western stuck glue by the holes blocking on the surface of polyureas coat 7, so as to complete the laying of the insulating layer of tank body 1.
Due to arc cystosepiment 2 and polyureas coat 7 be it is prefabricated form, save material, and outer surface flat smooth, nothing
Undulating movement, simultaneously because polyureas coat 7 is wrapped up according to arc foam ring flat-plate, and the glass web at the top of arc cystosepiment 2
It is connected with upper strata glass web 6 so that the anti crack performance of the heat-insulation layer of tank body 1 is higher.
Evacuated insulation panel, the top of the evacuated insulation panel can also be added on the insulating properties of tank body 1, tank body 1 in order to improve
For glass web, a little foam is sprayed above glass web, bottom is foam, and evacuated insulation panel is arranged on upper strata glass web 6 and poly-
Between urea coat 7.
The installation method of this high-strength anti-flaming liquefied gas heat insulation tank is：
First, one layer of glass web is covered with the top of prefabricated arc cystosepiment, arc cystosepiment, the outside of glass web repaves one layer
Stainless steel cloth, the outside of stainless steel cloth spray polyurea again.
2nd, prefabricated polyureas coat, by the online spray polyurea layer of stainless steel wire, stainless steel cloth being coated on completely poly-
In urea layer, the top surface of polyurea layer is shiny surface, and bottom is due to penetrating stainless steel cloth formation mat surface.
3rd, prefabricated arc cystosepiment and polyureas coat are installed at the scene, first fixed arc cystosepiment by foam
In tank surface, the arc cystosepiment on multiple same circumference constitutes a support ring, and arc cystosepiment all around is in tank
Body surface face equidistant placement.
4th, on different circumference parallel and adjacent to two arc cystosepiments between, spray foam re-lays one layer of glass
Net, then foam is sprayed, re-lay one layer of glass web and be connected this layer of glass web with the glass web at the top of arc cystosepiment, then exist
Its spray foam cover glass net above.
If the 5, needing to install evacuated insulation panel according to technological requirement, evacuated insulation panel is installed in outermost layer glass web,
And need to lay spray foam in one layer of glass web, glass web at the top of evacuated insulation panel to be covered, evacuated insulation panel bottom
Also spray foam is needed to be used for combined with insulating barrier.
6th, polyureas coat is fixed on arc cystosepiment with CARBURIZING FURNACE FOR STAINLESS FASTENER.
7th, drilled at the top of each polyureas coat, and inject PU foams, by polyureas coat, arc cystosepiment and insulation
Filled up between layer.
8th, the western stuck glue of the drill hole of each polyureas coat, hole is blocked.
9th, the outer seam of adjacent two pieces of polyureas is by being covered with stainless steel cloth, stainless steel cloth surface spraying polyureas
To bond.
Claims (7)
1. a kind of high-strength anti-flaming liquefied gas heat insulation tank, it is characterised in that：It includes tank body（1）, tank body（1）External stability arc
Shape cystosepiment（2）, the arc cystosepiment on multiple same circumference（2）Constitute adjacent on a support ring, different circumference two
Arc cystosepiment（2）Between, lower floor's froth bed is disposed with from top to bottom（3）, lower floor's glass web（4）, upper foam layer
（5）, upper strata glass web（6）, arc cystosepiment（2）Top be fixed with polyureas coat（7）, polyureas coat（7）With upper foam
Layer（5）Between fill foam, the tank body（1）On be additionally provided with evacuated insulation panel, the top of the evacuated insulation panel is glass web, glass
The online face spray foam of glass, bottom is foam, and evacuated insulation panel is arranged on upper strata glass web（6）With polyureas coat（7）Between.
2. a kind of high-strength anti-flaming liquefied gas heat insulation tank according to claim 1, it is characterised in that：The polyureas coat
（7）Including stainless steel cloth（7.1）, by stainless steel cloth（7.1）Upper spray polyurea layer（7.2）, make stainless steel cloth
（7.1）Polyurea layer is coated on completely（7.2）Inside form, the polyurea layer（7.2）Top surface be shiny surface（7.3）, bottom is thick
Matte（7.4）.
3. a kind of high-strength anti-flaming liquefied gas heat insulation tank according to claim 1, it is characterised in that：The arc cystosepiment
（2）Inside is provided with glass web, arc cystosepiment（2）Top be covered with one layer of glass web, the outside of glass web is covered with polyurea layer, arc
Shape cystosepiment（2）The glass web at top and upper strata glass web（6）It is connected.
4. a kind of high-strength anti-flaming liquefied gas heat insulation tank according to claim 1, it is characterised in that：It is adjacent on same circumference
Two arc cystosepiments（2）Between leave gap.
5. a kind of high-strength anti-flaming liquefied gas heat insulation tank according to claim 1, it is characterised in that：The arc cystosepiment
（2）Bottom and tank body（1）Between fixed by foam.
6. a kind of installation method of high-strength anti-flaming liquefied gas heat insulation tank according to claim 1 to 5 any one, it is special
Levy and be：The step of installation method is：
First, prefabricated arc cystosepiment；
2nd, prefabricated polyureas coat；
3rd, in-site installation is removed with prefabricated arc cystosepiment and polyureas coat, arc cystosepiment is fixed on tank body by foam
Surface；
4th, between two arc cystosepiments, spray foam, then one layer of glass web, then spray foam are arranged, re-lay one layer of glass
Glass net, and this layer of glass web is connected with the glass web at the top of arc cystosepiment, then spray foam in the above；
5th, the both sides of polyureas coat are fixed on two adjacent arc cystosepiments；
6th, drilled at the top of polyureas coat, inject PU foams, will be filled up between polyureas coat and arc cystosepiment；
7th, in the western stuck glue of drill hole of polyureas coat, hole is blocked；
8th, the outer seam of adjacent two pieces of polyureas is by being covered with stainless steel cloth, and stainless steel cloth surface spraying polyureas glues
Close.
7. a kind of installation method of high-strength anti-flaming liquefied gas heat insulation tank according to claim 6, it is characterised in that：In step
Installation steps are added after rapid four：Evacuated insulation panel, vacuum insulation are placed between two arc cystosepiments after having sprayed foam
The top laying glass web of plate, bottom is fixed by spray foam with lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452980.3A CN105020571B (en) | 2015-07-29 | 2015-07-29 | High-strength anti-flaming liquefied gas heat insulation tank and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452980.3A CN105020571B (en) | 2015-07-29 | 2015-07-29 | High-strength anti-flaming liquefied gas heat insulation tank and its installation method |
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| CN105020571A CN105020571A (en) | 2015-11-04 |
| CN105020571B true CN105020571B (en) | 2017-08-11 |
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| CN201510452980.3A Active CN105020571B (en) | 2015-07-29 | 2015-07-29 | High-strength anti-flaming liquefied gas heat insulation tank and its installation method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366828A (en) * | 2017-07-28 | 2017-11-21 | 倪飞 | Welded insulated gas cylinder |
| CN107420736A (en) * | 2017-08-02 | 2017-12-01 | 酷泰克保温科技江苏有限公司 | A kind of cryogenic storage tank fire lagging |
| CN111532603B (en) * | 2020-05-21 | 2024-05-24 | 集地保温技术(上海)有限公司 | Low-temperature insulation heat preservation system beneficial to monitoring and recycling of leakage gas of tank body |
| CN112524478A (en) * | 2020-12-11 | 2021-03-19 | 酷泰克保温科技江苏有限公司 | Construction process for ultra-large low-temperature liquid-filled insulating layer |
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| US8297468B1 (en) * | 2004-05-20 | 2012-10-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Fuel tank for liquefied natural gas |
| CN103863714A (en) * | 2014-03-25 | 2014-06-18 | 江苏兰宇保温科技有限公司 | Flame-retarding high-strength thermal insulation polyurea coat and preparation method thereof |
| CN204879425U (en) * | 2015-07-29 | 2015-12-16 | 江苏兰宇保温科技有限公司 | High strength fire resistant fluid gasification soaking tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203805438U (en) * | 2014-03-25 | 2014-09-03 | 江苏兰宇保温科技有限公司 | High-insulation vacuum template |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2536875Y (en) * | 2002-04-24 | 2003-02-19 | 大庆油田建材制造安装有限责任公司 | Polyurethane corrosionproof thermal insulating pipeline |
| US8297468B1 (en) * | 2004-05-20 | 2012-10-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Fuel tank for liquefied natural gas |
| CN202024075U (en) * | 2011-03-25 | 2011-11-02 | 荆门宏图特种飞行器制造有限公司 | Heat-preservation liquefied gas tank body with layered heat insulation layer |
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| CN105020571A (en) | 2015-11-04 |
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Address after: Room 907, No. 59, Tian'an Digital City, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Pasalanyu Thermal Insulation Technology Co., Ltd. Address before: Room 907, No. 59, Tian'an Digital City, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGSU LANYU THERMAL INSULATION SCIENCE & TECHNOLOGY CO., LTD. |
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