CN105644987A - Insulator installation method for liquid accumulation groove of A type independent liquid cargo tank - Google Patents
Insulator installation method for liquid accumulation groove of A type independent liquid cargo tank Download PDFInfo
- Publication number
- CN105644987A CN105644987A CN201410723707.5A CN201410723707A CN105644987A CN 105644987 A CN105644987 A CN 105644987A CN 201410723707 A CN201410723707 A CN 201410723707A CN 105644987 A CN105644987 A CN 105644987A
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- China
- Prior art keywords
- cargo tank
- hydrops
- installation method
- type independent
- side plate
- 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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Links
- 238000009434 installation Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009825 accumulation Methods 0.000 title abstract 5
- 239000012212 insulator Substances 0.000 title abstract 5
- 239000000463 material Substances 0.000 claims abstract description 44
- 238000009413 insulation Methods 0.000 claims abstract description 37
- 238000005507 spraying Methods 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 238000005187 foaming Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 241000521257 Hydrops Species 0.000 claims description 50
- 206010030113 Oedema Diseases 0.000 claims description 50
- 239000011248 coating agent Substances 0.000 claims description 19
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 239000011344 liquid material Substances 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000011253 protective coating Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000003949 liquefied natural gas Substances 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 isocyanide amine ester Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an insulator installation method for a liquid accumulation groove of an A type independent liquid cargo tank. The liquid accumulation groove comprises side plates and a bottom plate, the outer side of each side plate and the bottom surface of the bottom plate are covered through foaming materials according to the insulator installation method, and therefore thermal loss caused by thermal transmission between metal is prevented. The method mainly comprises the steps of cleaning the surface of the liquid accumulation groove, spraying anticorrosive coatings, spraying the foaming materials and spraying protective coatings. Through the steps, the problem that insulator installation of the liquid accumulation groove of the liquid cargo tank is inconvenient can be effectively solved, the foaming materials are sprayed according to the structure characteristics of the A type independent liquid cargo tank, and therefore the insulation effect can be effectively guaranteed, insulator installation is tight, and heat outside the liquid cargo tank is prevented from being transmitted into the liquid cargo tank.
Description
Technical field
The present invention relates to a kind of A typeIndependentThe installation method of cargo tank hydrops slot insulation.
Background technology
Liquefied gas carrier is the specialized ships for Low Temperature Liquid goods such as conveying liquified oil gas, liquefied natural gas, and these liquid goods are loaded in the cargo tank of liquefied gas carrier, because the temperature of liquid goods is low, so the outer surface at cargo tank to install insulation. The main purpose of cargo tank insulation is to reduce the evaporation capacity of liquid goods to prevent the heat of outside from entering cargo tank inside.
According to loading the type of liquid goods and working space and other aspects, the cargo tank on liquefied gas carrier is divided into A type, Type B and three kinds of C type, wherein A typeIndependentCargo tank is mainly slab construction, has complete time shielding; Type BIndependentCargo tank is slab construction or is spherical tank formula, has part time shielding; C typeIndependentCargo tank is spherical tank formula, without time shielding. Architectural characteristic according to above-mentioned three kinds of cargo tanks and the difference of performance requirement, its methods installing insulation there is also difference. Wherein A typeIndependentCargo tank is connected with hull by a support system, in cargo tank, liquid goods temperature is low, extraneous temperature is far longer than this temperature, so must reach insulation with a set of effective insulation system and prevent the heat of outside from entering the purpose of cargo tank, reduces the evaporation capacity of liquid in cargo tank cabin; But A typeIndependentCargo tank structure is complicated, does not only have the supporting construction being connected with cargo tank, also has the functional structure such as dome and hydrops groove. Wherein said dome is the unique passage for injecting or derive liquid goods oil gas or liquefied natural gas; The Main Function of hydrops groove is to collect raffinate activating QI in cargo tank (liquefied petroleum gas and liquefied natural gas), when deriving liquefied gas, along with liquefied gas is fewer and feweri, remaining liquefied gas eventually flows into and is pooled in hydrops groove, and then it is easy to the derivation of liquefied gas, reduce residue. Therefore, when installing insulation for cargo tank, not only to consider the insulating mounting of cargo tank main part, more to focus on the insulating mounting of these functional structures, these structures often type is complicated, structure is interlocked, and not only installs inconvenience, and technology requires height, also easily occurring that careless omission causes hull general defect, so how better installing insulation on these structures is the problem that those skilled in the art need to solve.
Summary of the invention
The technical problem to be solved in the present invention is in that the A type providing a kind of step simple, easy to operateIndependentThe installation method of cargo tank hydrops slot insulation, to overcome the drawbacks described above of prior art.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that a kind of A typeIndependentThe insulating mounting method of cargo tank hydrops groove, described hydrops groove is arranged on the bottom surface of described cargo tank, and hydrops groove is connected with cargo tank, and described hydrops groove includes side plate and base plate, described side plate is connected with the bottom surface of cargo tank, and the installation of described hydrops slot insulation comprises the following steps:
One, after the installation of cargo tank surface insulation, the distance at least 500mm of the insulation on cargo tank surface and any side plate of hydrops groove;
Two, the outer surface of hydrops groove is carried out polishing rust cleaning, rust prevention by applying liquid material priming paint again after polishing rust cleaning, after anti-corrosive primer solidifies, the outside of side plate and base plate is carried out removing surface, remove water, oil, dust and other pollutant, the then outside spraying corrosion resistant coating to side plate and base plate;
Three, the outer surface spray coating foaming material to the side plate of hydrops groove and base plate, coating thickness is 105mm��135mm;
Four, when, after the dry tack free of the expanded material of spraying, the surface spraying of expanded material being protected coating, after protection curing of coatings, the insulating mounting of dome completes.
Preferably, in step 3, expanded material spraying reaches the thickness of 105mm��135mm for 7��10 times.
Preferably, in described step 3, expanded material sprays from top to bottom along the outer surface of hydrops groove.
Preferably, in described step 3, the thickness of expanded material is 120mm.
Preferably, the protection coating at least 1mm in step 4 is thick.
Preferably, described expanded material is polyurethane.
As it has been described above, A type of the present inventionIndependentThe installation method of cargo tank hydrops slot insulation, has the advantages that
The present invention is directed to A typeIndependentThe construction features of cargo tank hydrops groove, adopts the mode of spray coating foaming material, is completely covered by hydrops groove, therefore can effectively ensure insulation effect, it is ensured that insulating mounting tight, it is prevented that inside the incoming cargo tank of heat outside cargo tank. Additionally, the operating process of the present invention is simple, common staff and operable, it is not necessary to the cost plenty of time goes study. The present invention is made that contribution for modern liquefied gas carrier field, has popularizing value widely.
Accompanying drawing explanation
Figure1 is the overall structure signal of cargo tankFigure��
Figure2 is the cross section of cargo tankFigure��
Figure3 is the cross section of hydrops grooveFigure��
Figure4 is the installation signal of hydrops slot insulation of the present inventionFigure��
Figure5 areFigureIn 4, A place amplifiesFigure��
Fig. 6 is B-B place view in Fig. 4.
FigureIn: 1 cargo tank 2 hydrops groove
21 side plate 22 base plates
3 expanded materials 4 protect coating
Detailed description of the invention
Description is attachedFigureThe structure of depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still drop in the scope that disclosed technology contents can be contained. Simultaneously, in this specification cited as " on ", D score, "front", "rear", the term such as " centre ", it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
AsFigure1-FigureShown in 3, the effect of the hydrops groove 2 in the present invention is for the ease of by derivation as much as possible for the liquefied gas in cargo tank 1, reducing residue. Described hydrops groove 2 is to be deep into hydrops groove 2 by a very big deep well pump from the dome 11 of cargo tank 1 to input and derive liquefied gas (including liquefied petroleum gas and liquefied natural gas) always, described deep well pump is connected to board by conduit, board has special interface and associated vessel on the bank to connect, and carrys out transportation of liquefied gas with this.
The present invention provides a kind of A typeIndependentThe installation method of cargo tank hydrops slot insulation, asFigure1-FigureShown in 3, described hydrops groove 2 is arranged on the bottom surface of described cargo tank 1, and hydrops groove 2 is connected with cargo tank 1, and described hydrops groove 2 includes side plate 21 and base plate 22, and described side plate 21 is connected with the bottom surface of cargo tank 1, in conjunction withFigure1-Figure6, the installation of described hydrops slot insulation comprises the following steps:
First, after cargo tank surface insulation installation, the distance at least 500mm of the insulation on cargo tank surface and any side plate 21 of hydrops groove 2; For the space, installation reserved place of hydrops slot insulation, the insulated part that cargo tank surface has more should be removed in time, it is to avoid hinders the installation of dome insulation. The outer surface of hydrops groove 2 carries out polishing rust cleaning, and rust prevention by applying liquid material priming paint again after polishing rust cleaning, described anti-corrosive primer is the material such as iron oxide red or aluminium powder, and preferred in the present embodiment, described anti-corrosive primer is inorganic silicon yellow zinc chromate primer paint. After anti-corrosive primer solidifies, the outside of side plate 21 and base plate 22 is carried out removing surface, remove water, oil, dust and other pollutant, then the outside spraying corrosion resistant coating to side plate 21 and base plate 22, described anticorrosive coat is possible not only to prevent water or dampness from entering into follow-up expanded material, and the tensile strength being joined directly together higher than expanded material and cargo tank 1 due to the tensile strength of this anticorrosive coat material, therefore can also improve the bonding situation of cargo tank low-temperature steel surface and expanded material. Described anticorrosive coat material is inorganic zinc primer.
After anticorrosive coat solidifies, shown in Fig. 4-Fig. 6, the outer surface spray coating foaming material 3 to the side plate 21 of hydrops groove 2 and base plate 22, coating thickness is 105mm��135mm. In this step, expanded material 3 sprays the thickness reaching 105mm��135mm 7��10 times, and wherein optimal thickness is 120mm. Step to spray along the outer surface of hydrops groove 2 from top to bottom when spray coating foaming material 3, namely first spray coating foaming material 3 is started from the top of side plate 21, when spraying, space between side plate 21 and cargo tank surface insulation also to be passed through spray coating foaming material 3 and fill, it is ensured that overall insulation effect; When having sprayed side plate 21, then spray base plate 22. Such spraying method is to cause insulation thickness and quality to be unsatisfactory for construction requirement in order to the expanded material 3 after preventing spraying is dirty. Above-mentioned to side plate 21 and base plate 22 spray coating foaming material 3 time, repeatedly spraying is the thickness checking spraying for the ease of the staff sprayed at any time, reducing error, guarantee coating quality, the staff of spraying can check the thickness of expanded material by elongated ferrum pin. Additionally, also to ensure that each spraying is all spray next layer again after last layer expanded material surface cure when spraying, it is prevented that because expanded material 3 does not solidify and affects insulated heat effect.
After the dry tack free of the expanded material 3 of spraying, the surface spraying of expanded material 3 being protected coating 4, after protection coating 4 solidifies, the insulating mounting of dome completes.Protection coating 3 at least 1mm in step is thick, and protecting coating 4 described in the present embodiment is play the effect of mechanical protection and waterproof, and protection coating 4 also sprays several times, and the thickness once sprayed is at about 0.5mm.
Heretofore described expanded material 3 is polyurethane material, and the spray coating foaming of polyurethane material is a kind of heat preserving mode comparing high praise, through the application of multiple test and low-temperature insulation aspect, is a kind of reliable and durable heat preserving method. Additionally, polyurethane foam material itself has, heat conductivity is low, rate of closed hole is high and some physical features of good mechanical property, and elastic properties of materials is better, it is possible to the deformation of the cargo tank that adaptive temperature difference causes.
The material of heretofore described protection coating 4 is polyhydric alcohol or isocyanide amine ester material.
In sum, one A type of the present inventionIndependentThe installation method of cargo tank hydrops slot insulation, it is possible to facilitate A typeIndependentThe insulating mounting of cargo tank hydrops groove location. So, the present invention effectively overcomes practical problems more of the prior art thus having significantly high value and using meaning.
Above-mentioned embodiment is illustrative principles of the invention and effect thereof only, not for the restriction present invention. The present invention also has many aspects can improve under the premise of overall thought, all for those skilled in the art under the spirit and category of the present invention, above-described embodiment can modified or changing. Therefore, art has usually intellectual such as modifying without departing from all equivalences completed under disclosed spirit and technological thought or change, must be contained by the claim of the present invention.
Claims (6)
1. the installation method of an A type independent liquid cargo tank hydrops slot insulation, it is characterized in that, described hydrops groove (2) is arranged on the bottom surface of described cargo tank (1), hydrops groove (2) is connected with cargo tank (1), described hydrops groove (2) includes side plate (21) and base plate (22), described side plate (21) is connected with the bottom surface of cargo tank (1), and the installation of described hydrops slot insulation comprises the following steps:
One, after the installation of cargo tank surface insulation, the distance at least 500mm of the insulation on cargo tank surface and hydrops groove (2) arbitrarily side plate (21);
Two, the outer surface of hydrops groove (2) is carried out polishing rust cleaning, rust prevention by applying liquid material priming paint again after polishing rust cleaning, after anti-corrosive primer solidifies, the outside of side plate (21) and base plate (22) is carried out removing surface, remove water, oil, dust and other pollutant, the then outside spraying corrosion resistant coating to side plate (21) and base plate (22);
Three, outer surface spray coating foaming material (3) to the side plate (21) of hydrops groove (2) and base plate (22), coating thickness is 105mm��135mm;
Four, when, after the dry tack free of the expanded material (3) of spraying, the surface spraying of expanded material (3) being protected coating (4), after protection coating (4) solidifies, the insulating mounting of dome completes.
2. the installation method of A type independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that: in step 3, expanded material (3) spraying reaches the thickness of 105mm��135mm for 7��10 times.
3. the installation method of A type independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that: in described step 3, expanded material (3) sprays from top to bottom along the outer surface of hydrops groove (2).
4. the installation method of A type independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that: in described step 3, the thickness of expanded material (3) is 120mm.
5. the installation method of A type independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that: protection coating (4) at least 1mm in step 4 is thick.
6. the installation method of A type independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that: described expanded material (3) is polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723707.5A CN105644987B (en) | 2014-12-03 | 2014-12-03 | The installation method of A type independent liquid cargo tank hydrops slot insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723707.5A CN105644987B (en) | 2014-12-03 | 2014-12-03 | The installation method of A type independent liquid cargo tank hydrops slot insulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105644987A true CN105644987A (en) | 2016-06-08 |
| CN105644987B CN105644987B (en) | 2018-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410723707.5A Active CN105644987B (en) | 2014-12-03 | 2014-12-03 | The installation method of A type independent liquid cargo tank hydrops slot insulation |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135547Y (en) * | 1992-10-14 | 1993-06-09 | 孔凯旋 | Refrigerating fresh-preserving container |
| CN1289703A (en) * | 1999-09-29 | 2001-04-04 | 气体运输技术公司 | Antiseep and thermal insulation tank in supporting structure of ship and manufacture of thermal insulation waterproof tank therefor |
| CN1450329A (en) * | 2002-04-05 | 2003-10-22 | 瓦工堡埃尔策两合公司 | Bottom board for refrigerated container |
| CN101229871A (en) * | 2006-10-17 | 2008-07-30 | 马士基集装箱工业公司 | Container floor plate, especially floor plate for a refrigerated container |
| CN102395517A (en) * | 2009-02-20 | 2012-03-28 | 能源板公司 | Insulated storage tank |
| CN103443526A (en) * | 2011-03-15 | 2013-12-11 | 气体运输技术公司 | Insulating block for producing tight wall of tank |
| KR101345809B1 (en) * | 2011-06-16 | 2013-12-27 | 삼성중공업 주식회사 | Insulation structure of lng cargo tank and method for constructing the same |
-
2014
- 2014-12-03 CN CN201410723707.5A patent/CN105644987B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135547Y (en) * | 1992-10-14 | 1993-06-09 | 孔凯旋 | Refrigerating fresh-preserving container |
| CN1289703A (en) * | 1999-09-29 | 2001-04-04 | 气体运输技术公司 | Antiseep and thermal insulation tank in supporting structure of ship and manufacture of thermal insulation waterproof tank therefor |
| CN1450329A (en) * | 2002-04-05 | 2003-10-22 | 瓦工堡埃尔策两合公司 | Bottom board for refrigerated container |
| CN101229871A (en) * | 2006-10-17 | 2008-07-30 | 马士基集装箱工业公司 | Container floor plate, especially floor plate for a refrigerated container |
| CN102395517A (en) * | 2009-02-20 | 2012-03-28 | 能源板公司 | Insulated storage tank |
| CN103443526A (en) * | 2011-03-15 | 2013-12-11 | 气体运输技术公司 | Insulating block for producing tight wall of tank |
| KR101345809B1 (en) * | 2011-06-16 | 2013-12-27 | 삼성중공업 주식회사 | Insulation structure of lng cargo tank and method for constructing the same |
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| CN105644987B (en) | 2018-02-02 |
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