CN117048799B - Construction method of thin film type enclosure system - Google Patents
Construction method of thin film type enclosure system Download PDFInfo
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- CN117048799B CN117048799B CN202311321938.9A CN202311321938A CN117048799B CN 117048799 B CN117048799 B CN 117048799B CN 202311321938 A CN202311321938 A CN 202311321938A CN 117048799 B CN117048799 B CN 117048799B
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 239000010409 thin film Substances 0.000 title claims description 19
- 238000009413 insulation Methods 0.000 claims abstract description 116
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 238000009434 installation Methods 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 27
- 239000010935 stainless steel Substances 0.000 claims abstract description 27
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 10
- 239000011120 plywood Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 12
- 239000010408 film Substances 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 9
- 239000011491 glass wool Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 210000003734 kidney Anatomy 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000004873 anchoring Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
Abstract
The invention relates to a construction method of a film type enclosure system, which comprises the steps of sequentially installing a secondary heat insulation layer, a secondary sealing layer, a main heat insulation layer and a main sealing layer from bottom to top, wherein the secondary heat insulation layer and the main heat insulation layer are respectively constructed according to corner areas intersected by three sides, corner areas intersected by two sides and plane areas; the sealing of the plane area adopts a corrugated plate, the sealing of the corner area adopts a stainless steel metal plate, and the edge of the corrugated plate is lapped and welded on the stainless steel metal plate; the secondary heat insulating layer is connected with the main heat insulating layer through a connecting piece, and the secondary heat insulating layer is connected with the ship body through an epoxy resin bonding mode. The invention adopts a composite connection mode of bonding and connecting pieces, simplifies installation arrangement, improves installation efficiency, and can avoid the difficulty of glue coating and reduce construction difficulty because the main layer insulating module is connected by the connecting pieces.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a construction method of a thin film type enclosure system.
Background
The liquid cargo tank enclosure system mainly comprises a shielding layer, a heat insulation layer and a supporting structure, and is mainly divided into two main types of self-supporting type and film type. Because the film type enclosure system does not need an independent supporting structure, the cost is lower, and the film type enclosure system is most widely used at present.
The prior art (key construction technology of a film type LNG cargo enclosure system simulation cabin, gu Yunfei, chen Xi, wang Liang, li Xiaoling, volume 31, 2 nd phase of the 2015 of ships and ocean engineering, pages 62-67) discloses that when the Mark III Flex simulation cabin enclosure system is installed, the method comprises the following steps:
3.1, constructing a scaffold;
3.2, marking out a central line between the heat insulation plates and a stop flat steel mounting line according to the arrangement of the simulation cabin, and then determining the center of the butt-welded bolt;
3.3 fixing the heat insulation plate on the hull inner shell after the resin is solidified;
3.4, firstly, installing a trihedral heat insulation plate;
3.5, mounting two surfaces of 90 degrees and 135 degrees;
3.6, mounting the joint between the two-sided body and the three-sided body;
3.7, bonding battens between the two surfaces and the stop flat steel, and filling resin;
3.8, installing prefabricated heat insulation plane plates;
3.9 cylindrical foam plug installation;
3.10, mounting the heat-insulating planar plate and the strip-shaped glass fiber foam and glass wool between the two surfaces;
3.11 glue bonding of the flexible secondary shield and the rigid secondary shield;
3.12 bonding stainless steel angle hardwood assemblies;
3.13 bonding upper bridge plates;
3.14 welding corrugated plates, welding edge corrugated plates and stainless steel corners of two surfaces, and overlapping the corrugated plates.
The flexible secondary shielding and the rigid secondary shielding are bonded through glue, the insulating layer is easily contracted due to the influence of low temperature of a cold source in the use process, so that the bonding between the flexible secondary shielding and the rigid secondary shielding is degummed, and the structural strength and stability of the enclosure system are influenced by the fact that liquid shakes in the storage tank in the ship advancing process.
Disclosure of Invention
In order to improve the performance of the thin-film containment system, the invention provides a construction method of the thin-film containment system, changes the construction mode of the traditional thin-film containment system, connects the main-layer insulation module with the secondary-layer insulation module through a connecting piece, and increases the structural strength and stability of the system.
In order to achieve the technical purpose, the invention provides a construction method of a thin film type enclosure system,
a construction method of a film type enclosure system sequentially installs a secondary heat insulation layer, a secondary sealing layer, a main heat insulation layer and a main sealing layer, and the method comprises the following steps:
step 1, a secondary insulating layer comprises a plurality of secondary insulating modules, an installation line of the secondary insulating modules is marked on the inner surface of a cabin, and a temporary fixing bolt and a flatness adjusting cushion block are installed on the inner surface of the cabin;
step 2, sequentially installing a secondary insulating module according to the corner areas intersected by three sides, the corner areas intersected by two sides and the plane areas, wherein temporary fixing bolt holes used for penetrating through temporary fixing bolts are formed in the edges of the secondary insulating module, the temporary fixing bolts temporarily fix the secondary insulating module on the inner surface of a cabin, nuts matched with the temporary fixing bolts are installed in the temporary fixing bolt holes, the flatness of the secondary insulating module is adjusted through flatness adjusting cushion blocks, the installation positions of the secondary insulating module are adjusted through tightening the nuts, after epoxy resin is solidified, foam plugs are filled in the temporary fixing bolt holes to seal the temporary fixing bolt holes, and the secondary insulating module is bonded on the inner surface of the cabin through epoxy resin to form a secondary insulating layer;
step 3, after the installation of the sub-layer insulating module is completed, installing a sub-layer sealing layer on the sub-layer insulating layer, wherein the plane area sub-layer sealing layer adopts corrugated plates, and the area intersecting two sides and the area intersecting three sides adopts stainless steel metal plates; the corrugated plate in the plane area extends to the area where two sides are intersected and the area where three sides are intersected, and then is lapped above the edge of the stainless steel metal plate and is welded and fixed with the stainless steel metal plate;
step 4, sequentially installing a main layer insulation module according to the corner areas intersected by three sides, the corner areas intersected by two sides and the plane areas, wherein the main layer insulation module is fixedly connected with the secondary layer insulation module through a connecting piece, and the main layer insulation module forms a main layer insulation layer above the secondary layer sealing layer;
the main layer insulation module comprises a first plywood, a first insulation layer, a second plywood and a second insulation layer which are sequentially arranged, wherein the first plywood, the first insulation layer, the second plywood and the second insulation layer are bonded into a whole, and the second insulation layer of the main layer insulation module in the plane area is provided with accommodating grooves corresponding to the corrugations of the corrugated plates of the secondary layer sealing layer;
step 5, paving and installing a main layer sealing layer on the main layer heat insulation layer, wherein the main layer sealing layer in the plane area adopts corrugated plates, and the main layer sealing layer in the area where two sides are intersected and the area where three sides are intersected adopts stainless steel metal plates; the corrugated plate in the plane area extends to the area where two sides are intersected and the area where three sides are intersected, and then is lapped above the edge of the stainless steel metal plate and then welded and fixed with the stainless steel metal plate.
Further, the connecting piece comprises a main layer clamping plate, a secondary layer clamping plate, a connecting rod and a locking nut; the middle part of the main layer clamping plate is provided with a through hole for the connecting rod to penetrate, and the middle part of the secondary layer clamping plate is provided with a threaded hole; external threads are respectively arranged at two ends of the connecting rod;
after the installation of the secondary insulating module is completed, fixing a secondary clamping plate on the secondary insulating module, punching a hole in the secondary sealing layer corresponding to the center of the secondary clamping plate after the installation of the secondary sealing layer is completed, then threading one end of a connecting rod through the secondary sealing layer and then connecting the connecting rod with the hole in the secondary clamping plate, and threading the other end of the connecting rod through the main clamping plate and then matching the connecting rod with a locking nut; the edges of the main layer insulating modules are provided with clamping grooves, after the main layer insulating modules are installed, the edges of the main layer clamping plates are inserted into the clamping grooves, and the locking nuts are screwed down to enable the main layer clamping plates to be tightly attached to the bottoms of the clamping grooves.
Further, after the locking nut is screwed, the clamping groove is filled with a foam plug to fill up the clamping groove.
Further, connect through the fastener between sublayer cardboard and the insulating module of sublayer, the sublayer cardboard edge is equipped with the mounting hole that is used for the fastener to wear to be equipped with, and the mounting hole is the kidney hole, and the sublayer cardboard needs to span different insulating modules of sublayer, and the setting of kidney hole leaves the adjustment space for the self-adaptation position adjustment of fastener when insulating module of sublayer is cold deformation.
Further, after the connecting rod passes through the hole of the secondary layer sealing layer, the position of the connecting rod passing through the secondary layer sealing layer is filled by welding.
Further, when the main layer insulation modules are installed, the main layer insulation modules are installed according to the positions of the connecting rods, the connecting rods penetrate between the adjacent main layer insulation modules, and the positions of the connecting rods correspond to clamping grooves at the edges of the main layer insulation modules.
Further, glass wool is filled between adjacent primary insulating modules and between adjacent secondary insulating modules.
Further, in the plane area, the surface of the main layer insulation module and the surface of the secondary layer insulation module are respectively provided with an anchor strip, and the main layer sealing layer and the secondary layer sealing layer are respectively welded and fixed with the anchor strip of the main layer insulation module and the anchor strip of the secondary layer insulation module.
Further, in the plane area, the corrugated plates are welded in full-time, and the corrugated plates and the anchoring strips are welded in intermittent welding.
Further, the sub-layer insulation module comprises a third plywood, a third insulation layer and a fourth plywood which are sequentially arranged, and the third plywood, the third insulation layer and the fourth plywood are bonded into a whole.
Further, the corrugated plate comprises forward intersecting corrugations, and saddle-shaped nodes are arranged at the forward intersecting positions of the corrugations; the intersection of the saddle-shaped nodes and the corrugations forms bulges, and the vertexes of the bulges are higher than those of the corrugations; the bulge is concave towards the central arc transition of the positive intersection of the corrugation.
Further, the corner regions intersected by three sides are respectively adjacent to the corner regions intersected by two sides in three directions, and the corner regions intersected by three sides and the corner regions intersected by two sides are connected to form the heat insulation frame of the film enclosure system.
Further, the corner regions where two faces adjoining the corner region where three faces intersect include a corner region of 90 ° and a corner region of 135 °.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts a composite connection mode that the secondary insulating module is bonded by epoxy resin, the secondary insulating module is connected with the main insulating module by the connecting piece, the invention has the advantages of bonding and bolting, the bonding mode omits the welding work of a bolt base, the temporary bolt is fast fixed on the inner surface of the cabin by touching a welding gun, the installation arrangement is simplified, the installation efficiency is improved, and the main insulating module is connected by the connecting piece, thereby avoiding the difficulty of glue coating and reducing the construction difficulty of installers.
2. The connecting piece connection mode between the main layer insulating module and the secondary layer insulating module avoids the problem that the main layer insulating module and the secondary layer insulating module are easy to fall off through glue bonding, and the stability and the anti-sloshing performance of the system are improved; in addition, the arrangement of the connecting piece can also provide positioning reference for the installation of the main layer insulation module.
3. According to the invention, the heat insulation frame of the film enclosure system is built through the corner area, so that the installation and the positioning of the insulating module in the plane area are facilitated, and the installation difficulty is reduced.
4. According to the invention, in the combined sealing mode between the corrugated plate and the stainless steel metal plate, the stainless steel metal plate can be prefabricated and installed on the insulating module in the corner area, so that the installation process can be simplified, the installation difficulty can be reduced, the installation efficiency can be improved, and the installation time can be saved.
Drawings
FIG. 1 is a schematic view of the hierarchical distribution of the thin film containment system of the present invention.
Fig. 2 is a schematic structural view of the connector according to the present invention.
Fig. 3 is a schematic structural view of a sub-layer insulation module of a planar area in the present invention.
FIG. 4 is a schematic diagram of the structure of the corrugated board according to the present invention.
Fig. 5 is a schematic structural view of a main layer insulation module of a planar area in the present invention.
Fig. 6 is a schematic view showing the structure of a sub-layer insulating module in a corner region where both sides meet in the present invention.
Fig. 7 is a schematic view showing the structure of a sub-layer insulating module in a corner region where three sides intersect in the present invention.
Fig. 8 is a schematic view of the structure of the main layer insulation module in the corner region where both sides meet in the present invention.
Fig. 9 is a schematic view of the structure of the main layer insulation module in the corner region where three sides intersect in the present invention.
FIG. 10 is a schematic view of the completion of the installation of the sub-layer insulation layer according to the present invention.
FIG. 11 is a schematic view of the installation of the main insulation layer of the present invention.
FIG. 12 is a schematic illustration of the positioning of a sublayer seal layer by a positioning element punch in accordance with the present invention.
In the figure, 1, a sub-layer heat insulation layer; 2. a sub-layer sealing layer; 3. a main layer heat insulation layer; 4. a main layer sealing layer; 5. a primary layer clamping plate; 6. a sub-layer clamping plate; 7. a connecting rod; 8. a lock nut; 9. glass wool; 10. a third plywood; 11. a third insulating layer; 12. a fourth plywood; 13. a connecting block; 14. temporary fixing bolt holes; 15. a metal anchor bar; 16. a clamping groove; 17. a first plywood; 18. a first insulating layer; 19. a second plywood; 20. a second insulating layer; 21. a receiving groove; 22. a foam plug; 23. ripple; 24. saddle-shaped nodes; 25. a protrusion; 26. a fastener; 27. embedding nuts; 28. and a positioning piece.
Description of the embodiments
The technical scheme of the invention is further described below with reference to the specific embodiments:
a construction method of a film type enclosure system sequentially installs a secondary heat insulation layer 1, a secondary sealing layer 2, a primary heat insulation layer 3 and a primary sealing layer 4, wherein the primary heat insulation layer 3 and the secondary heat insulation layer 1 are connected through connecting pieces, and the secondary heat insulation layer is bonded on the inner surface of a cabin through epoxy resin, as shown in figure 1. The connecting piece comprises a main layer clamping plate 5, a secondary layer clamping plate 6, a connecting rod 7 and a locking nut 8; the middle part of the main layer clamping plate 5 is provided with a through hole for the connecting rod 7 to penetrate, and the middle part of the secondary layer clamping plate 6 is provided with a threaded hole; external threads are respectively arranged at two ends of the connecting rod 7, and the external threads at two ends of the connecting rod 7 are respectively matched with the threaded holes in the center of the secondary clamping plate 6 and the locking nuts 8, as shown in fig. 2.
The method comprises the following steps:
step 1, the insulating layer 1 of sublayer includes a plurality of insulating modules of sublayer, the installation line of insulating module of system sublayer on the cabin internal surface, at cabin internal surface installation temporary fixing bolt and roughness adjustment cushion simultaneously, temporary fixing bolt is through bumping welder quick fixation on the cabin internal surface, temporary fixing bolt is used for the insulating module of temporary fixation sublayer, because cabin internal surface roughness is different, adjust through the adjustment cushion, guarantee the roughness of insulating module of installation back sublayer, the adjustment cushion selects for use the rectangle plank, will adjust the cushion and bond on the cabin internal surface through the mode of bonding.
The sub-layer insulation module comprises a third plywood 10, a third insulation layer 11 and a fourth plywood 12 which are sequentially arranged, wherein the third plywood 10, the third insulation layer 11 and the fourth plywood 12 are bonded into a whole, and as shown in fig. 3, 6 and 7, polyurethane foam is selected as the third insulation layer 11.
The edge of the sub-layer insulating module is provided with a notch which penetrates through the third plywood 10 and then extends into the third insulating layer 11, a connecting block 13 is embedded in the notch, the connecting block 13 is a wood block, the connecting block 13 is adhesively mounted in the notch, and the connecting block 13 is stressed when being used for mounting subsequent connecting pieces.
Step 2, sequentially installing sub-layer insulating modules according to corner areas intersected by three sides, corner areas intersected by two sides and plane areas, wherein the sub-layer insulating modules are arranged at intervals, glass wool 9 is filled between the sub-layer insulating modules, and the sub-layer insulating modules are bonded on the inner surface of the cabin through epoxy resin to form a sub-layer heat insulation layer;
the edge of the sub-layer insulating module is also provided with a temporary fixing bolt hole 14, the sub-layer insulating module is coated with epoxy resin and then is installed on the inner surface of the cabin, a temporary fixing bolt on the inner surface of the cabin penetrates into the temporary fixing bolt hole 14, a nut matched with the bolt is installed in the temporary fixing bolt hole 14, the flatness of the sub-layer insulating module is adjusted through a flatness adjusting cushion block, the installation position of the sub-layer insulating module is adjusted by screwing the nut, and after the epoxy resin is solidified, a foam plug is filled in the temporary fixing bolt hole to seal the temporary fixing bolt hole 14.
The corner regions intersected by three sides are respectively adjacent to the corner regions intersected by two sides in three directions, and the corner regions intersected by three sides and the corner regions intersected by two sides are connected to form a heat insulation frame of the film enclosure system, in particular:
the sub-layer insulation modules of the corner region where both sides intersect and the sub-layer insulation modules of the corner region where three sides intersect form a heat insulation frame for the sub-layer insulation module installation of the planar region, as shown in fig. 10; the main layer insulation modules of the corner regions where both sides meet and the main layer insulation modules of the corner regions where both sides meet form a heat insulation frame for the main layer insulation modules of the planar region, as shown in fig. 11. Wherein the corner regions where two faces adjoining the corner region where three faces intersect include a corner region of 90 ° and a corner region of 135 °.
Step 3, after the installation of the sub-layer insulating module is completed, installing a sub-layer sealing layer 2 on the sub-layer insulating layer 1, wherein a corrugated plate is adopted for the sub-layer sealing layer 2 in a plane area, and a stainless steel metal plate is adopted for the sub-layer sealing layer 2 in an area where two sides intersect and an area where three sides intersect; the corrugated plate in the plane area extends to the area where two sides are intersected and the area where three sides are intersected, and then is lapped above the edge of the stainless steel metal plate and then welded and fixed with the stainless steel metal plate.
In the plane area, the metal anchoring strip 15 is arranged on the third plywood 5 of the heat insulation layer of the secondary layer before the secondary layer sealing layer is arranged, the metal anchoring strip 15 is fixedly arranged by adopting bolts, the corrugated plates of the secondary layer sealing layer and the anchoring strip 15 are welded by adopting intermittent welding, and full-welding is adopted between the corrugated plates of the adjacent secondary layer sealing layers.
In the corner region where the two faces intersect and the corner region where the three faces intersect, the stainless steel metal plate of the sub-layer sealing layer is mounted on the third plywood 5 by rivet anchoring.
And 4, sequentially installing a main layer insulating layer according to the corner areas intersected by three sides, the corner areas intersected by two sides and the plane areas, wherein the main layer insulating layer comprises a plurality of main layer insulating modules arranged at intervals, the main layer insulating modules are fixedly connected with the sub-layer insulating modules through connecting pieces, and the main layer insulating modules form a main layer insulating layer 3 above the sub-layer sealing layer 2 as shown in fig. 11. The main layer insulating modules are arranged at intervals, and glass wool 9 is filled between the main layer insulating modules.
As shown in fig. 4, 8 and 9, the main layer insulation module comprises a first plywood 17, a first insulation layer 18, a second plywood 19 and a second insulation layer 20 which are sequentially arranged, wherein the first plywood 17, the first insulation layer 18, the second plywood 19 and the second insulation layer 20 are bonded into a whole, polyurethane foam is selected as the first insulation layer 18 and the second insulation layer 20, and the second insulation layer 20 of the main layer insulation module in a plane area is provided with a containing groove 21 corresponding to the corrugation of the corrugated plate of the secondary layer sealing layer; the edges of the main layer insulating module are provided with clamping grooves 16, the clamping grooves 16 penetrate through the first plywood 17 and the first insulating layer 18, and the main layer clamping plates 5 of the connecting pieces are matched and clamped into the clamping grooves 16.
After the installation of the secondary insulating module is completed, a secondary clamping plate 6 is required to be fixed on the secondary insulating module before the installation of a secondary sealing layer, after the installation of the secondary sealing layer 2 is completed, a threaded hole corresponding to the center of the secondary clamping plate 6 is punched on the secondary sealing layer 2, then one end of a connecting rod 7 passes through the secondary sealing layer 2 and is in threaded connection with the threaded hole of the secondary clamping plate 6, and the other end of the connecting rod 7 passes through a main clamping plate 5 and is in threaded fit with a locking nut 8; after the connecting rod 7 passes through the hole of the sub-layer sealing layer 2, the position of the connecting rod 7 passing through the hole of the sub-layer sealing layer 2 is filled by welding, so that tightness of the sub-layer sealing layer is ensured. And a positioning piece 28 is arranged at the position of the threaded hole of the sub-layer clamping plate 6 before the sub-layer sealing layer 2 is arranged, the positioning piece enables the sub-layer sealing layer 2 to generate a bulge after the sub-layer sealing layer 2 is arranged, and the sub-layer sealing layer 2 is punched according to the bulge position.
The locating piece 28 is as shown in fig. 12, the locating piece is of a cylindrical structure, the inside of the locating piece is hollow, the locating piece is installed in a threaded hole of the secondary clamping plate 6, the locating piece 28 is in threaded fit with the threaded hole of the secondary clamping plate, the secondary sealing layer 2 covers the secondary sealing layer, the locating piece 28 enables the secondary sealing layer to form a bulge, punching is conducted at the bulge position, then the punching is used for locating a round area which is cut outside the punching, the radius of the round area is larger than the outer radius of the locating piece, and the locating piece can be taken out after the round area is cut.
After the installation of the main layer insulating module is completed, the edge of the main layer clamping plate 5 is inserted into the clamping groove 16, and the locking nut 8 is screwed down so that the main layer clamping plate 5 is tightly attached to the bottom of the clamping groove 16. After the lock nut 8 is screwed down, the clamping groove 16 is filled with a foam plug 22 to fill up the clamping groove.
When the secondary layer clamping plate 6 is installed on the secondary layer insulation module, the secondary layer clamping plate 6 spans the adjacent secondary layer insulation module, the secondary layer clamping plate 6 is connected with the secondary layer insulation module through the fastener 26, the edge of the secondary layer clamping plate 6 is provided with a mounting hole through which the fastener penetrates, and the mounting hole is a waist round hole. In the subsequent use process, as the sub-layer insulation module is subjected to cold and deforms, the fastener 26 deforms along with the sub-layer insulation module to generate displacement, the waist-round hole is arranged to provide a change space for the displacement of the fastener 26, so that the self-adaptive displacement adjustment of the fastener 26 is realized, and the sub-layer insulation module is prevented from being damaged.
In order to facilitate the installation of the fastener 26, the embedded nut 27 is installed at the bottom of the connecting block 13, and the fastener 26 penetrates through the connecting block 13 to be in threaded connection with the embedded nut 27.
When the main layer insulation modules are installed, the main layer insulation modules are installed according to the positions of the connecting rods 7, the connecting rods 7 penetrate between the adjacent main layer insulation modules, and the positions of the connecting rods 7 correspond to clamping grooves 16 on the edges of the main layer insulation modules.
Step 5, paving and installing a main layer sealing layer on the main layer heat insulation layer, wherein the main layer sealing layer 4 in the plane area adopts corrugated plates, and the main layer sealing layer 4 in the area where two sides are intersected and the area where three sides are intersected adopts stainless steel metal plates; the corrugated plate in the plane area extends to the area where two sides are intersected and the area where three sides are intersected, and then is lapped above the edge of the stainless steel metal plate and then welded and fixed with the stainless steel metal plate.
Preferably, in the corner region where the two surfaces meet, the stainless steel metal plate of the main layer seal layer is bent to form a first seal surface 29, a second seal surface 30, and a third seal surface 31, as shown in fig. 8.
In the plane area, the metal anchoring strip 15 is installed on the first plywood 17 of the main layer heat insulation layer 3 before the main layer sealing layer 4 is installed, the metal anchoring strip 15 is installed and fixed on the first plywood 17 by adopting bolts, the corrugated plates of the main layer sealing layer and the metal anchoring strip 15 are welded by adopting intermittent welding, and full-welding is adopted between the corrugated plates of the adjacent main layer sealing layers.
In the corner region where the two faces intersect and the corner region where the three faces intersect, the stainless steel metal plate of the main layer sealing layer is mounted on the first plywood 17 by rivet anchoring.
Preferably, in the plane area, the corrugated plates of the primary sealing layer and the corrugated plates of the secondary sealing layer are corrugated plates provided with saddle-shaped nodes, as shown in fig. 5, the corrugated plates comprise positively intersected corrugations 23, saddle-shaped nodes 24 are arranged at positively intersected positions of the corrugations 23, bulges 25 are formed at the intersected positions of the saddle-shaped nodes 24 and the corrugations 23, and the vertexes of the bulges 25 are higher than those of the corrugations 23; the protrusion 25 transitions concave toward the central arc where the corrugations 23 positively intersect.
The present embodiment is further illustrative of the present invention and is not to be construed as limiting the invention, and those skilled in the art can make no inventive modifications to the present embodiment as required after reading the present specification, but only as long as they are within the scope of the claims of the present invention.
Claims (11)
1. The construction method of the film type enclosure system is characterized by sequentially installing a secondary heat insulation layer, a secondary sealing layer, a main heat insulation layer and a main sealing layer, and comprises the following steps of:
step 1, a secondary insulating layer comprises a plurality of secondary insulating modules, an installation line of the secondary insulating modules is marked on the inner surface of a cabin, and a temporary fixing bolt and a flatness adjusting cushion block are installed on the inner surface of the cabin;
step 2, sequentially installing a secondary insulating module according to the corner areas intersected by three sides, the corner areas intersected by two sides and the plane areas, wherein temporary fixing bolt holes used for penetrating through temporary fixing bolts are formed in the edges of the secondary insulating module, the temporary fixing bolts temporarily fix the secondary insulating module on the inner surface of a cabin, nuts matched with the temporary fixing bolts are installed in the temporary fixing bolt holes, the installation positions of the secondary insulating module are adjusted by adjusting the flatness screwing nuts of the secondary insulating module through a flatness adjusting cushion block, after epoxy resin is solidified, foam plugs are filled in the temporary fixing bolt holes to seal the temporary fixing bolt holes, and the secondary insulating module is bonded on the inner surface of the cabin through epoxy resin to form a secondary insulating layer;
step 3, after the installation of the sub-layer insulating module is completed, installing a sub-layer sealing layer on the sub-layer insulating layer, wherein the plane area sub-layer sealing layer adopts a corrugated plate, and the area intersecting the two sides and the area intersecting the three sides adopts a stainless steel metal plate; the corrugated plate in the plane area extends to the area where two sides are intersected and the area where three sides are intersected, and then is lapped above the edge of the stainless steel metal plate and is welded and fixed with the stainless steel metal plate;
step 4, sequentially installing a main layer insulation module according to the corner areas intersected by three sides, the corner areas intersected by two sides and the plane areas, wherein the main layer insulation module is fixedly connected with the secondary layer insulation module through a connecting piece, and the main layer insulation module forms a main layer insulation layer above the secondary layer sealing layer;
the main layer insulation module comprises a first plywood, a first insulation layer, a second plywood and a second insulation layer which are sequentially arranged, wherein the first plywood, the first insulation layer, the second plywood and the second insulation layer are bonded into a whole, and the second insulation layer of the main layer insulation module in a plane area is provided with accommodating grooves corresponding to the corrugations of the corrugated plates of the secondary layer sealing layer;
the connecting piece comprises a main layer clamping plate, a secondary layer clamping plate, a connecting rod and a locking nut; the middle part of the main layer clamping plate is provided with a through hole for the connecting rod to penetrate, and the middle part of the secondary layer clamping plate is provided with a threaded hole; external threads are respectively arranged at two ends of the connecting rod;
after the installation of the secondary insulating module is completed, fixing a secondary clamping plate on the secondary insulating module, wherein the secondary clamping plate is connected with the secondary insulating module through a fastener, the edge of the secondary clamping plate is provided with a mounting hole for the fastener to pass through, and the mounting hole is a kidney hole; after the secondary sealing layer is installed, punching a hole in the secondary sealing layer corresponding to the center of the secondary clamping plate, and then enabling one end of the connecting rod to pass through the secondary sealing layer and then be in threaded connection with the hole in the secondary clamping plate, and enabling the other end of the connecting rod to pass through the main clamping plate and then be in threaded fit with the locking nut; the edge of the main layer insulating module is provided with a clamping groove, after the main layer insulating module is installed, the edge of the main layer clamping plate is inserted into the clamping groove, and the locking nut is screwed down to enable the main layer clamping plate to be tightly attached to the bottom of the clamping groove;
installing a locating piece at the position of a threaded hole of the secondary clamping plate before installing the secondary sealing layer, enabling the secondary sealing layer to bulge after the secondary sealing layer is installed, and punching the secondary sealing layer according to the bulge position;
step 5, paving and installing a main layer sealing layer on the main layer heat insulation layer, wherein the main layer sealing layer in the plane area adopts corrugated plates, and the main layer sealing layer in the area where two sides are intersected and the area where three sides are intersected adopts stainless steel metal plates; the corrugated plate in the plane area extends to the area where two sides are intersected and the area where three sides are intersected, and then is lapped above the edge of the stainless steel metal plate and then welded and fixed with the stainless steel metal plate.
2. The method for constructing the thin-film enclosure system according to claim 1, wherein after the lock nut is screwed, the clamping groove is filled with foam plugs to fill up the clamping groove.
3. The method of constructing a thin film containment system of claim 1, wherein the tie bars are filled by welding at locations where the tie bars pass through the sub-layer seal after passing through the holes of the sub-layer seal.
4. The method for constructing the thin-film enclosure system according to claim 3, wherein the main layer insulation modules are installed according to the positions of the connecting rods, the connecting rods penetrate between adjacent main layer insulation modules, and the positions of the connecting rods correspond to clamping grooves at the edges of the main layer insulation modules.
5. The method of constructing a thin film containment system of claim 1, wherein glass wool is further filled between adjacent primary insulation modules and between adjacent secondary insulation modules.
6. The method for constructing the thin-film enclosure system according to claim 1, wherein the anchor bars are respectively installed on the surface of the main layer insulation module and the surface of the sub layer insulation module in the plane area, and the main layer sealing layer and the sub layer sealing layer are respectively welded and fixed with the anchor bars of the main layer insulation module and the anchor bars of the sub layer insulation module.
7. The method of constructing a thin film containment system of claim 6, wherein the corrugated plates are welded together in full-scale and the corrugated plates are welded together with the anchor bars intermittently in the planar area.
8. The method for constructing a thin film enclosure system according to claim 1, wherein the sub-layer insulation module comprises a third plywood, a third insulation layer and a fourth plywood which are sequentially arranged, and the third plywood, the third insulation layer and the fourth plywood are bonded into a whole.
9. The method for constructing the thin-film enclosure system according to claim 1, wherein the corrugated plates comprise forward intersecting corrugations, and saddle-shaped nodes are arranged at positions where the corrugations positively intersect; the position where the saddle-shaped node is intersected with the corrugation forms a bulge, and the vertex of the bulge is higher than the vertex of the corrugation; the bulge is concave towards the central arc transition of the forward intersection of the corrugation.
10. The method of constructing a thin film containment system of claim 1, wherein the three-sided intersecting corner regions each adjoin two-sided intersecting corner regions in three directions, the three-sided intersecting corner regions and the two-sided intersecting corner regions being connected to form a thermally insulating frame of the thin film containment system.
11. The method of constructing a thin film containment system of claim 10, wherein the two-sided intersection corner regions contiguous with the three-sided intersection corner region comprise a 90 ° corner region and a 135 ° corner region.
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