CN105644987B - The installation method of A type independent liquid cargo tank hydrops slot insulation - Google Patents
The installation method of A type independent liquid cargo tank hydrops slot insulation Download PDFInfo
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- CN105644987B CN105644987B CN201410723707.5A CN201410723707A CN105644987B CN 105644987 B CN105644987 B CN 105644987B CN 201410723707 A CN201410723707 A CN 201410723707A CN 105644987 B CN105644987 B CN 105644987B
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- cargo tank
- hydrops
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Abstract
The present invention provides a kind of installation method of A types independent liquid cargo tank hydrops slot insulation; the hydrops groove includes side plate and bottom plate; the installation method of the insulation is mainly covered the bottom surface of the outside of each side plate, bottom plate using expanded material; prevent the heat transfer between metal and cause thermal losses, the removing surface of key step of the invention including hydrops groove, spraying corrosion resistant coating, spray coating foaming material, sprayed protection coating etc..The hydrops slot insulation that cargo tank can be efficiently solved by above-mentioned steps installs the problem of inconvenient, and because the present invention is directed to the design feature of A type independent liquid cargo tanks, using spray coating foaming material, therefore insulation effect can effectively be ensured, ensure the tight of insulating mounting, prevent the heat outside cargo tank to be passed to inside cargo tank.
Description
Technical field
The present invention relates to the insulating mounting field of A types independent liquid cargo tank on liquefied gas carrier, more particularly to a kind of A types independence liquid
The installation method of cargo hold hydrops slot insulation.
Background technology
Liquefied gas carrier is the specialized ships for the Low Temperature Liquid goods such as conveying liquified oil gas, liquefied natural gas, these liquid goods
It is loaded in the cargo tank of liquefied gas carrier, because the temperature of liquid goods is low, insulation is installed in the outer surface of cargo tank.Liquid goods
The main purpose of cabin insulation is to reduce the evaporation capacity of liquid goods to prevent the heat of outside from entering inside cargo tank.
According to the type of loading liquid goods and workplace and other aspects, the cargo tank on liquefied gas carrier is divided into A types, B
Three kinds of type and c-type, wherein A types independent liquid cargo tank is mainly slab construction, there is complete shielding；Type B independent liquid cargo tank is flat
Harden structure is spherical tank formula, there is part time shielding；C-type independent liquid cargo tank is spherical tank formula, without time shielding.According to above-mentioned three kinds of liquid
The architectural characteristic of cargo hold and the difference of performance requirement, it installs the methods of insulation, and there is also difference.Wherein A types independence liquid goods
Cabin is connected by support system with hull, and liquid goods temperature is low in cargo tank, and extraneous temperature is far longer than this temperature, so must
It must be reached insulation with a set of effective insulation system and be prevented that the heat of outside from entering the purpose of cargo tank, reduces liquid goods
The evaporation capacity of liquid in the cabin of cabin；But A type independent liquid cargo tanks are complicated, do not only have the supporting construction being connected with cargo tank, also have
The functional structure such as dome and hydrops groove.Wherein described dome is to be used to inject or export liquid goods oil gas or liquefied natural gas
Unique passage；The main function of hydrops groove is that (liquefied petroleum gas and liquefaction are natural in order to collect remaining liquefied gas in cargo tank
Gas), when exporting liquefied gas, as liquefied gas is fewer and fewer, remaining liquefied gas, which eventually flows into, to be pooled in hydrops groove, is entered
And it is easy to the export of liquefied gas, reduce remaining.Therefore, when installing insulation for cargo tank, cargo tank main part is not only considered
The insulating mounting divided, more to focus on the insulating mounting of these functional structures, these structures often interlock by type complexity, structure,
Not only installation is inconvenient, and technical requirements are high, careless omission also easily occur and cause hull general defect, so how preferably to exist
It is that those skilled in the art need to solve the problems, such as that insulation is installed in these structures.
The content of the invention
The technical problem to be solved in the present invention is to provide the A types independent liquid cargo tank product that a kind of step is simple and convenient to operate
The installation method of liquid bath insulation, to overcome the drawbacks described above of prior art.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of A types independent liquid cargo tank hydrops groove
Insulating mounting method, the hydrops groove are arranged on the bottom surface of the cargo tank, and hydrops groove is connected with cargo tank, the hydrops groove
Including side plate and bottom plate, the side plate is connected with the bottom surface of cargo tank, and the installation of the hydrops slot insulation comprises the following steps：
First, after the installation of cargo tank surface insulation, the insulation on cargo tank surface and the distance of any side plate of hydrops groove are extremely
Few 500mm；
2nd, polishing derusting is carried out to the outer surface of hydrops groove, rust prevention by applying liquid material priming paint again after polishing derusting, treats that anti-corrosive primer is consolidated
Removing surface is carried out to the outside of side plate and bottom plate after change, water, oil, dust and other pollutants are removed, then to side plate and bottom
The outside spraying corrosion resistant coating of plate；
3rd, the outer surface spray coating foaming material of the side plate to hydrops groove and bottom plate, coating thickness are 105mm~135mm；
4th, after the dry tack free of the expanded material of spraying, to the surface spraying protective coating of expanded material, protective coating
After solidification, the insulating mounting of dome is completed.
Preferably, expanded material sprays 7~10 thickness for reaching 105mm~135mm in step 3.
Preferably, outer surface of the expanded material along hydrops groove sprays from top to bottom in the step 3.
Preferably, the thickness of expanded material is 120mm in the step 3.
Preferably, at least 1mm of the protective coating in step 4 is thick.
Preferably, the expanded material is polyurethane.
As described above, the installation method of A types independent liquid cargo tank hydrops slot insulation of the present invention, has the advantages that：
The present invention is directed to the design feature of A type independent liquid cargo tank hydrops grooves, by the way of spray coating foaming material, by hydrops
Groove is completely covered, therefore can effectively ensure insulation effect, it is ensured that insulating mounting it is tight, prevent the heat outside cargo tank
Inside incoming cargo tank.In addition, the operating process of the present invention is simple, common staff is operable, during without spending a large amount of
Between go to learn.The present invention is made that contribution for modern liquefied gas carrier field, there is extensive popularizing value.
Brief description of the drawings
Fig. 1 is the overall structure diagram of cargo tank.
Fig. 2 is the sectional view of cargo tank.
Fig. 3 is the sectional view of hydrops groove.
Fig. 4 is the scheme of installation of hydrops slot insulation of the present invention.
Fig. 5 is enlarged drawing at A in Fig. 4.
Fig. 6 is view at B-B in Fig. 5.
In figure：The hydrops groove of 1 cargo tank 2
The bottom plate of 21 side plate 22
The protective coating of 3 expanded material 4
Embodiment
Structure, ratio, size depicted in Figure of description etc., only to coordinate the content disclosed in specification, with
Understand for those skilled in the art and read, be not limited to the enforceable qualifications of the present invention, therefore do not have technically
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated not influenceing the present invention
Under effect and the purpose that can reach, all should still it fall in the range of disclosed technology contents can be covered.Meanwhile
Cited such as " on ", " under ", "front", "rear", " centre " term, are merely convenient to the clear of narration in this specification, and
It is not used to limit the enforceable scope of the present invention, its relativeness is altered or modified, in the case where changing technology contents without essence, when
Also it is considered as the enforceable category of the present invention.
As shown in Figure 1-Figure 3, the effect of the hydrops groove 2 in the present invention is for the ease of by the liquefied gas in cargo tank 1
Export as much as possible, reduce remaining.The hydrops groove 2 be by a very big deep well pump from the dome 11 of cargo tank 1 always
It is deep into hydrops groove 2 and inputs and export liquefied gas (including liquefied petroleum gas and liquefied natural gas), the deep well pump passes through conduit
Board is connected to, board has special interface to be connected with associated vessel on the bank, carrys out transportation of liquefied gas with this.
The present invention provides a kind of installation method of A types independent liquid cargo tank hydrops slot insulation, as shown in Figure 1-Figure 3, the product
Liquid bath 2 is arranged on the bottom surface of the cargo tank 1, and hydrops groove 2 is connected with cargo tank 1, and the hydrops groove 2 includes the He of side plate 21
Bottom plate 22, the side plate 21 is connected with the bottom surface of cargo tank 1, with reference to Fig. 1-Fig. 6, the installation of the hydrops slot insulation include with
Lower step：
First, after the installation of cargo tank surface insulation, the insulation on cargo tank surface and any side plate 21 of hydrops groove 2 away from
From at least 500mm；Place space is reserved for the installation of hydrops slot insulation, the insulated part that cargo tank surface has more should be clear in time
Remove, avoid hindering the installation of dome insulation.Polishing derusting is carried out to the outer surface of hydrops groove 2, rust prevention by applying liquid material again after polishing derusting
Priming paint, the anti-corrosive primer are the material such as iron oxide red or aluminium powder, and preferable in the present embodiment, the anti-corrosive primer is inorganic silicon zinc bottom
Paint.Removing surface is carried out to the outside of side plate 21 and bottom plate 22 after anti-corrosive primer solidification, removes water, oil, dust and other dirts
Thing is contaminated, then not only can prevent water or moisture from entering side plate 21 and the outside spraying corrosion resistant coating of bottom plate 22, the anticorrosive coat
Enter to follow-up expanded material, and because the tensile strength of this anti-corrosion layer material is higher than 1 direct phase of expanded material and cargo tank
Tensile strength even, therefore cargo tank low temperature steel surface and the bonding situation of expanded material can also be improved.The anti-corrosion layer material
It is inorganic zinc primer.
After anticorrosive coat solidification, with reference to shown in Fig. 5-Fig. 6, the outer surface spraying hair of side plate 21 and bottom plate 22 to hydrops groove 2
Foam material 3, coating thickness are 105mm~135mm.Expanded material 3, which sprays 7~10 times, in this step reaches 105mm~135mm
Thickness, wherein optimal thickness is 120mm.In step in spray coating foaming material 3 will along the outer surface of hydrops groove 2 on to
Lower spraying, the i.e. first spray coating foaming material 3 since the top of side plate 21, in spraying, side plate 21 and cargo tank surface insulation it
Between space also to be filled by spray coating foaming material 3, it is ensured that overall insulation effect；When having sprayed side plate 21, then spray bottom
Plate 22.Such spraying method is to cause insulation thickness and quality to be unsatisfactory for applying to prevent the expanded material 3 after spraying from flowing down
Work requirement.In the above-mentioned 22 spray coating foaming material 3 to side plate 21 and bottom plate, repeatedly spraying is the staff for the ease of spraying
The thickness of spraying is checked at any time, is reduced error, is ensured coating quality, the staff of spraying can be examined by elongated iron pin
Look into the thickness of expanded material.In addition, also to ensure that spraying is all after last layer expanded material surface cure every time in spraying
Next layer is sprayed again, is prevented because expanded material 3 influences insulated heat effect without solidification.
After the dry tack free of the expanded material 3 of spraying, to the surface spraying protective coating 4 of expanded material 3, protective coating
After 4 solidifications, the insulating mounting of dome is completed.At least 1mm of protective coating 3 in step is thick, protective coating described in the present embodiment
4 be to play a part of mechanical protection and waterproof, and protective coating 4 also sprays several times, and the thickness once sprayed is in 0.5mm or so.
Heretofore described expanded material 3 is polyurethane material, and the spray coating foaming of polyurethane material is that one kind relatively pushes away
High heat preserving mode, it is a kind of reliable and durable heat preserving method by the application in terms of a variety of tests and low-temperature insulation.
In addition, polyurethane foam material has in itself, thermal conductivity factor is low, rate of closed hole is high and some physical features of good mechanical property, and
Elastic properties of materials is preferable, the deformation of cargo tank caused by can adapt to temperature difference.
The material of heretofore described protective coating 4 is polyalcohol or isocyanide amine ester material.
In summary, a kind of installation method of A types independent liquid cargo tank hydrops slot insulation of the present invention, A types can be facilitated independent
The insulating mounting of cargo tank hydrops groove location.So the present invention effectively overcome some practical problems of the prior art so as to
There is very high value and using meaning.
The principle and its effect of the above-mentioned embodiment only illustrative present invention, not for the limitation present invention.This hair
It is bright to also have many aspects to be improved on the premise of without prejudice to overall thought, all can be for those skilled in the art
Without prejudice under the spirit and scope of the present invention, modifications and changes can be carried out to above-described embodiment.Therefore, art such as
Middle tool usually intellectual without departing from disclosed spirit and all equivalent modifications for being completed under technological thought or
Change, should be covered by the claim of the present invention.
Claims (6)
1. a kind of installation method of A types independent liquid cargo tank hydrops slot insulation, it is characterised in that the hydrops groove (2) is arranged on institute
The bottom surface of cargo tank (1) is stated, hydrops groove (2) is connected with cargo tank (1), and the hydrops groove (2) includes side plate (21) and bottom plate
(22), the side plate (21) is connected with the bottom surface of cargo tank (1), and the installation of the hydrops slot insulation comprises the following steps：
First, after the installation of cargo tank surface insulation, the insulation on cargo tank surface and the distance of any side plate (21) of hydrops groove (2)
At least 500mm；
2nd, polishing derusting is carried out to the outer surface of hydrops groove (2), rust prevention by applying liquid material priming paint again after polishing derusting, treats that anti-corrosive primer is consolidated
Removing surface is carried out to the outside of side plate (21) and bottom plate (22) after change, removes water, oil, dust and other pollutants, it is then right
The outside spraying corrosion resistant coating of side plate (21) and bottom plate (22)；
3rd, the outer surface spray coating foaming material (3) of the side plate (21) to hydrops groove (2) and bottom plate (22), coating thickness 105mm
~135mm；
4th, after the dry tack free of the expanded material (3) of spraying, to the surface spraying protective coating (4) of expanded material (3), protect
After protecting coating (4) solidification, the insulating mounting of dome is completed.
2. the installation method of A types independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that：Step 3
Middle expanded material (3) sprays 7~10 thickness for reaching 105mm~135mm.
3. the installation method of A types independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that：The step
Outer surface of the expanded material (3) along hydrops groove (2) sprays from top to bottom in rapid three.
4. the installation method of A types independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that：The step
The thickness of expanded material (3) is 120mm in rapid three.
5. the installation method of A types independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that：Step 4
In protective coating (4) at least 1mm it is thick.
6. the installation method of A types independent liquid cargo tank hydrops slot insulation according to claim 1, it is characterised in that：The hair
Foam 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 CN105644987A (en) | 2016-06-08 |
| CN105644987B true CN105644987B (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 (6)
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (6)
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105644987A (en) | 2016-06-08 |
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