CN117847403A - Land thin film type storage tank - Google Patents
Land thin film type storage tank Download PDFInfo
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- CN117847403A CN117847403A CN202410251261.4A CN202410251261A CN117847403A CN 117847403 A CN117847403 A CN 117847403A CN 202410251261 A CN202410251261 A CN 202410251261A CN 117847403 A CN117847403 A CN 117847403A
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- 238000003860 storage Methods 0.000 title claims abstract description 28
- 239000010409 thin film Substances 0.000 title claims description 20
- 238000009413 insulation Methods 0.000 claims description 71
- 239000010408 film Substances 0.000 claims description 63
- 238000007789 sealing Methods 0.000 claims description 53
- 230000007704 transition Effects 0.000 claims description 49
- 229910052751 metal Inorganic materials 0.000 claims description 47
- 239000002184 metal Substances 0.000 claims description 47
- 238000003466 welding Methods 0.000 claims description 38
- 238000004873 anchoring Methods 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a land film type storage tank, wherein a plurality of annular areas are sequentially arranged at the circular bottom along the radial direction outwards from the center of a circle, the innermost annular area comprises four sector areas, and the annular area outside the innermost annular area comprises N sector annular areas; the outer arc length of the fan ring area is L, the outer arc length L of the fan ring area is less than or equal to H, the arc length radius of the fan ring area is R1, and the ring width of the outer ring area is R2; if L is less than or equal to H, the number of the outer-layer fan ring areas continues the number of the inner-ring areas; if L > H, the number of the outer sector ring areas is doubled. The storage tank formed by dividing the invention avoids the problem that the prefabricated insulating module is oversized and inconvenient to process.
Description
Technical Field
The invention relates to the field of low-temperature liquefied gas storage, in particular to a land thin film type storage tank.
Background
Cylindrical storage tanks are commonly used for storing low-temperature liquefied natural gas and are generally provided with a cylindrical side wall and a circular bottom surface, and in order to ensure sealing and insulation of the storage tank, a containment system is generally required to be arranged, and the containment system mainly comprises a corrugated plate sealing film, a main layer of insulation, a secondary layer sealing film and a secondary layer sealing film which are sequentially arranged at present, wherein the corrugated plate sealing film is used as the innermost layer to be in direct contact with the liquefied natural gas.
Compared with the cylindrical side wall, the circular bottom surface has specificity, and the circular bottom surface cannot be uniform in size and shape like the cylindrical side wall.
One way among the prior art is that the centre of a circle is divided into a plurality of fan-shaped or fan-shaped annular structures with circular bottom surface towards radial direction, from the outside area of every module of centre of a circle increase gradually, the ripple of buckled plate is radial and axial setting generally, and the length of the circumferential ripple that such division leads to between the radial ripple is too little or too big, and is too little or too big all is unfavorable for corrugated performance, also is unfavorable for processing the preparation, and the too big problem also can appear in the specification of every module of such division simultaneously, influences the processing of every module. The prior art, such as the patent publication CN116817162a, discloses a corrugated plate and storage container having smooth surfaces and beads, the sealing layer comprising a central section 310 and at least one annular section 320 disposed around the central section 310, each annular section 320 comprising a plurality of annular section sealing plates 3210. The transverse and longitudinal corrugations of each annular segment seal plate 3210 constitute radial and axial corrugations of the annular segment 320, respectively, with a portion of the radial inner ends of the radial corrugations 380 extending to the central segment 310 and another portion of the radial inner ends of the radial corrugations 360 being centered in the annular segment 320 and spaced from the central segment 310, with the arrangement of the radial corrugations 360 to reduce the problem of excessive length of circumferential corrugations between adjacent radial corrugations.
Disclosure of Invention
In order to solve the technical problems, the invention provides a land thin film type storage tank, wherein a circular bottom is divided into a plurality of annular areas, and the number of the sector annular areas of an outer annular area is changed so as to solve the problems that the sector annular areas are large in size and difficult to process and manufacture.
The technical purpose of the invention is realized by the following technical scheme:
the land thin film type storage tank comprises a circular bottom, wherein the circular bottom comprises a plurality of annular areas which are sequentially arranged outwards along the radial direction from a circle center, the innermost annular area comprises four sector areas along the radial direction, and the annular area outside the innermost annular area comprises N sector annular areas; the outer arc length of the fan ring area is L, the outer arc length L of the fan ring area is not more than H, H is not less than 800mm and not more than 3500mm, the arc length radius of the fan shape of the innermost ring area is R1, and the ring width of the ring area outside the innermost ring area is R2;
l=2pi (r1+ (n-1) R2)/M, M being the number of sector areas or sector ring areas of the inner ring area of the previous layer, the values of n are 2,3,4 … n in order from the first ring area outside the innermost ring area;
the number N of sector areas of each ring outside the innermost ring meets:
when L is less than or equal to H, N=M;
when L > H, then n=2m.
Further, each sector area and each sector ring area are respectively provided with a corrugated plate, and the corrugated plates and the corresponding sector areas or sector ring areas have the same shape; the buckled plate includes a class buckled plate and B class buckled plate and C class buckled plate, and A class buckled plate sets up in fan-shaped region, and B class buckled plate sets up the fan-shaped ring area in the ring area when N=M, and C class buckled plate sets up the fan-shaped ring area in the ring area when N=2M.
Further, the class A corrugated plate comprises a first corrugated plate and a second corrugated plate, and the first corrugated plate and the second corrugated plate are alternately arranged along the innermost annular region; the class B corrugated plates comprise a third corrugated plate and a fourth corrugated plate which are alternately arranged along the ring area where the class B corrugated plates are positioned; the C-type corrugated plate comprises a fifth corrugated plate and a sixth corrugated plate, and the fifth corrugated plate and the sixth corrugated plate are alternately arranged along the annular area where the C-type corrugated plate is arranged.
Further, the first corrugated plate has a first circumferential corrugation arranged circumferentially and a first radial corrugation arranged circumferentially, and the second corrugated plate has a second circumferential corrugation arranged circumferentially and a second radial corrugation arranged radially;
the third corrugated plate is provided with third circumferential corrugation arranged in the circumferential direction and third radial corrugation arranged in the radial direction; the fourth corrugated plate is provided with fourth corrugations arranged in the circumferential direction and fourth radial corrugations arranged in the radial direction;
the fifth corrugated plate has a fifth circumferential corrugation disposed circumferentially and a fifth radial corrugation disposed radially, and the sixth corrugated plate has a sixth corrugated plate disposed circumferentially and a sixth radial corrugation disposed radially; the fifth corrugated plate is also provided with transition waves which are arranged along the respective radial directions, the transition waves are arranged at the center of the edge of the fan ring, which is close to the inner ring, the transition waves form an open end at the edge of the inner ring of the fan ring, and the other end of the transition waves forms a closed end;
The first circumferential corrugation is arranged corresponding to the second circumferential corrugation, and the first radial corrugation is arranged radially outwards corresponding to the fourth radial corrugation or the transition corrugation; the second radial corrugation is arranged radially outwards corresponding to the third radial corrugation or the transition corrugation;
the third circumferential corrugation is arranged corresponding to the fourth circumferential corrugation, the third radial corrugation is arranged radially outwards corresponding to the fourth radial corrugation or the transition corrugation, and the fourth radial corrugation is arranged radially outwards corresponding to the third radial corrugation or the transition corrugation;
the fifth circumferential corrugation is arranged corresponding to the sixth circumferential corrugation, the fifth radial corrugation is arranged radially outwards corresponding to the transition corrugation or the fourth radial corrugation, and the sixth radial corrugation is arranged radially outwards corresponding to the transition corrugation or the third radial corrugation.
Further, the fan-shaped area or the fan-shaped ring area respectively comprises a secondary layer insulation module, a secondary layer sealing film and a main layer insulation module which are sequentially arranged, wherein the secondary layer sealing film and the main layer insulation module are prefabricated on the secondary layer insulation module to form a prefabricated insulation module, and the edge of the main layer insulation module of the prefabricated insulation module forms a lap joint gap above the secondary layer sealing film; bridging modules crossing adjacent prefabricated insulating modules are arranged in the lap joint gaps.
Further, the bridging module comprises a first bridging module, a second bridging module and a third bridging module; the first bridging module is cross-shaped, and the prefabricated insulating modules of the first bridging module crossing the four sector areas are lapped in the lapping gap; the second bridging module is in a straight shape, and is overlapped in the overlap gap along the radial direction across the adjacent prefabricated insulating modules; the third bridging module is in a fan ring shape, and the third bridging module spans adjacent prefabricated insulating modules along the circumferential direction and is lapped in the lapping gap.
Further, a second bridge module is disposed across the adjacent two ring areas, with one end of the second bridge module being aligned radially outwardly with the outer annular edge of the third bridge module.
Further, anchors are provided between the prefabricated insulating modules, and the anchors anchor the prefabricated insulating modules to the foundation structure.
Further, the first bridging module, the second bridging module and the third bridging module are respectively provided with a first welding metal plate, the second bridging module is also provided with a second welding metal plate, the second welding metal plate is vertically arranged relative to the first welding metal plate on the second bridging module, two ends of the second welding metal plate extend and overlap joint on the main layer insulating module of the prefabricated insulating module adjacent to the unified ring zone, and the corrugated plate is welded and fixed with the first welding metal plate and the second welding metal plate.
Further, the upper end edge of the main layer insulation module of the prefabricated insulation module is provided with a mounting groove corresponding to the end part of the second welding metal plate, the end part of the second welding metal plate is installed in the mounting groove in a lap joint mode, a connecting piece used for installing the end part of the second welding metal plate is arranged in the mounting groove, the end part of the second welding metal plate is provided with a waist round hole corresponding to the connecting piece, and the length direction of the waist round hole is consistent with the length direction of the second welding metal plate.
Further, the main layer insulation module comprises a top plate, an upper insulation block, a middle plate and a lower insulation block which are sequentially arranged, wherein the top plate, the upper insulation block, the middle plate and the lower insulation block are integrally bonded, and the lower insulation block is bonded on a sub-layer sealing film on the sub-layer insulation module; the connecting piece passes through the top plate, the upper insulating block and the middle plate in sequence.
Further, the sub-layer insulating module comprises a sub-layer insulating block and a sub-layer insulating bottom plate adhered to the bottom surface of the sub-layer insulating block, and an anchoring groove is formed in the edge of the sub-layer insulating block corresponding to the anchoring piece.
Further, an anchoring cushion block is arranged in the anchoring groove, one end of the anchoring piece is connected with the foundation structure, and the other end of the anchoring piece is ballasted and pulled on the anchoring cushion block; adjacent anchoring grooves are oppositely arranged to form an anchoring space, and the anchoring piece is arranged in the anchoring space.
Further, the adjacent sub-layer sealing films of the prefabricated insulating modules are also spanned and laid with flexible sealing films, the flexible sealing films are carried on the edges of the sub-layer sealing films, and the bridging modules are arranged to cover the flexible sealing films.
Further, the secondary sealing film and the flexible sealing film are both made of two layers of glass fiber cloth and are sandwiched with aluminum films, and the thickness of the aluminum film of the flexible sealing film is lower than that of the aluminum film of the secondary sealing film.
Further, a circle of circular side walls are arranged along the circular bottom, and a transition angle area is arranged between the circular side walls and the circular bottom.
Compared with the prior art, the invention has the beneficial effects that:
1. the circular bottom of the land thin film type storage tank is divided into the sector area and the peripheral sector ring area, and the sector ring areas in the same ring area are provided with the prefabricated insulating modules with the same size, so that the problem that the prefabricated insulating modules are oversized and inconvenient to process is solved.
2. The corrugated plate structure solves the problem that the interval between the corrugations is too large or too small when the corrugated plate extends from the circular bottom along the radial direction through the configuration of the corrugated plate forms of different annular areas, ensures the corrugated strength of the corrugated plate and is convenient for processing the corrugations.
3. The on-site quick installation is realized through the prefabricated insulating module, the prefabricated insulating module is fixed on the structural basis through the anchoring piece, and the on-site quick installation has higher strength compared with the adhesive installation, and meanwhile, the on-site quick installation is convenient for subsequent maintenance and overhaul.
4. The bridging module is used for filling the main layer insulating modules of the prefabricated insulating modules, and the second welding metal plate on the bridging module extends and is overlapped to the main layer insulating module of the adjacent prefabricated insulating module, so that the fixing effect of the bridging module during installation is realized, and the setting of a temporary tool during the installation of the bridging module is omitted; the waist round hole at the end part of the second welding metal plate is matched with the connecting piece to realize the adaptability adjustment of the prefabricated insulation module when in thermal expansion and cold contraction, so that the stress at the connecting position of the second welding metal plate and the connecting piece is prevented from being too concentrated.
Drawings
FIG. 1 is a schematic view showing the round bottom division of a thin film type storage tank for land use according to the present invention.
Fig. 2 is a schematic view of a first corrugated board structure in the present invention.
Fig. 3 is a schematic view of a second corrugated board structure in the present invention.
Fig. 4 is a schematic view of a third corrugated board structure in the present invention.
Fig. 5 is a schematic view of a fourth corrugated board structure in the present invention.
Fig. 6 is a schematic view of a fifth corrugated board structure in the present invention.
Fig. 7 is a schematic view of a sixth corrugated board structure in the present invention.
Fig. 8 is an exploded view of a fan-section prefabricated insulation module according to the present invention.
Fig. 9 is an exploded view of a fan ring area preformed insulation module in accordance with the present invention.
Fig. 10 is a schematic view showing a combination of a fan-shaped area prefabricated insulating module and a fan-ring area prefabricated insulating module in the present invention.
Fig. 11 is a schematic view of the corrugated board splice when the second loop zone adopts a class B corrugated board.
Fig. 12 is a schematic view of the corrugated board splice when the second loop region adopts a class C corrugated board.
Fig. 13 is a schematic view showing the splicing of corrugated plates in the third ring area in the case of the first embodiment.
Fig. 14 is a schematic view showing the splicing of corrugated plates in the third ring zone in case two.
Fig. 15 is a schematic view of the splicing of corrugated plates in the third ring zone in case three.
Fig. 16 is a schematic diagram showing the splicing of corrugated plates in the third ring zone in four cases.
Fig. 17 is a schematic diagram of a bridge module installation in accordance with the present invention.
Fig. 18 is a schematic view of the installation of a first and a second weld metal plate on a bridging module in accordance with the present invention.
Fig. 19 is an exploded view of a first bridge module according to the present invention.
Fig. 20 is an exploded view of a second bridge module according to the present invention.
Fig. 21 is an exploded view of a third bridge module according to the present invention.
In the figure, 1, a circular bottom; 2. a first corrugated plate; 3. a second corrugated plate; 4. a third corrugated plate; 5. a fourth corrugated plate; 6. a fifth corrugated plate; 7. a sixth corrugated plate; 8. transitional corrugation; 9. prefabricating an insulating module; 10. an anchor; 11. a clamping plate; 12. circular arc side walls; 13. a transition corner region;
201. a first circumferential corrugation; 202. a first radial corrugation;
301. a second circumferential corrugation; 302; a second radial corrugation;
401. a third circumferential corrugation; 402. a third radial corrugation;
501. fourth circumferential corrugation; 502. fourth radial corrugation;
601. a fifth circumferential corrugation; 602. fifth radial corrugations;
701. sixth circumferential corrugations; 702. sixth radial corrugation;
901. a sub-layer insulation module; 902. a sub-layer sealing film; 903. a main layer insulation module; 904. a first bridge module; 905. a second bridge module; 906. a third bridge module; 907. a first welded metal plate; 908. a second welded metal plate; 909. a mounting groove;
9011. A sub-layer insulating block; 9012 sublayer insulating bottom plate; 9013. an anchor groove; 9014. anchoring the cushion block;
9031. a top plate; 9032. an upper insulating block; 9033. a middle plate; 9034. a lower insulating block.
9041. A first thermal block; 9042. a first fixing plate;
9051. a second heat-insulating block; 9052 a second middle panel; 9053. a third heat-insulating block; 9054. a second fixing plate;
9061. a fourth heat-insulating block; 9062. and a third fixing plate.
Detailed Description
The technical scheme of the invention is further described below with reference to the specific embodiments:
the land thin film type storage tank comprises a circular bottom, wherein the circular bottom 1 comprises a plurality of annular areas which are sequentially arranged outwards along the radial direction from the circle center, the innermost annular area comprises four sector areas along the radial direction, and the annular area outside the innermost annular area comprises N sector annular areas as shown in figure 1; the outer arc length of the fan ring area is L, the outer arc length L of the fan ring area is not more than H, and H is more than or equal to 800mm and less than or equal to 3500mm; if the radial division is performed, the size of the module outwards along the center of the circle will be larger, and for practical production, not any size specification is suitable for processing, so that the module is oversized, which is not beneficial to processing production, and adverse factors include production cost, equipment limitation and the like, so that the arc length of the sector ring area needs to be limited.
The arc length radius of the sector of the innermost annular region is R1, and the annular widths of the annular regions outside the innermost annular region are R2;
l=2pi (r1+ (n-1) R2)/M, M being the number of sector areas or sector ring areas of the inner ring area of the previous layer, the values of n are 2,3,4 … n in order from the first ring area outside the innermost ring area;
the number N of sector areas of each ring outside the innermost ring meets:
when L is less than or equal to H, N=M;
when L > H, then n=2m.
The first ring, i.e. the innermost ring zone, comprises 4 sector-shaped zones, the number of sector-shaped zones of the radially outward second ring zone being M, where N is equal to 2, l=2pi (r1+ (N-1) R2)/M, the first ring M being equal to 4, where if L is less than or equal to H, the number of sector-shaped zones of the second ring zone does not need to be increased, and the number of sector-shaped zones of the second ring zone N being equal to the number of sector-shaped zones of the first ring zone M being 4; if L > H, the size of the sector ring area exceeds the set range when the number of the sector ring areas of the second ring area is 4, and the number of the sector ring areas of the current ring area needs to be further increased, then M is equal to 2 times the number of the sector areas or the sector ring areas of the inner ring area of the previous layer, that is, the number of the sector ring areas of the second ring area is 8.
Dividing the number of the fan ring areas of the third ring area by taking the number of the second ring area as a reference, wherein when the number of the fan ring areas of the second ring area is 4, M is equal to 4 when the third ring division is judged, and when L is equal to or less than H, the number of the third ring is also 4; if L > H, then N of the third ring is equal to 2m=8;
when the N of the fan ring area of the second ring area is 8, M is equal to 8 in the third ring division judgment, and when L is less than or equal to H, the N of the third ring is also 8; if L > H, then N of the third ring equals 2m=16;
the N of the sector ring areas of the fourth ring area is divided and judged by taking the number of the sector ring areas of the third ring area as a reference, and each subsequent ring is divided and judged by taking the number of the sector ring areas of the previous ring area as a reference.
Each sector area and each sector ring area are respectively provided with a corrugated plate, the corrugated plates and the corresponding sector area or sector ring area have the same shape, for example, the corrugated plates corresponding to the sector areas show sector shapes, and the corrugated plates corresponding to the sector ring areas show sector ring shapes.
In this embodiment, r2=1020, h=1700mm, r1=1200 mm, and thus it can be seen that the number of fan ring areas of the second ring area is 8, the number of fan ring areas of the third ring area is 16, the number of fan ring areas of the fourth ring area is 16, and the number of fan ring areas of each of the fifth ring area to the eighth ring area is 32, see fig. 1.
The corrugated board is divided into a type a corrugated board and a type B corrugated board and a type C corrugated board according to the installation position, and A, B, C has no special meaning here and is only used for distinguishing and representing the corrugated boards in different areas. Wherein a class corrugated plate sets up in fan-shaped region, and B class corrugated plate sets up in the fan-shaped ring region of ring district when N=m, C class corrugated plate sets up in the fan-shaped ring region of ring district when N=2m. For example, when the number of the second ring areas is n=4, the second ring areas are provided with B corrugated plates; when the number of second ring areas n=8, the second ring areas are provided with C corrugated plates.
The A-type corrugated plates comprise first corrugated plates 2 and second corrugated plates 3, and the first corrugated plates 2 and the second corrugated plates 3 are alternately arranged along the innermost annular region; the class B corrugated plates comprise a third corrugated plate 4 and a fourth corrugated plate 5, and the third corrugated plate 4 and the fourth corrugated plate 5 are alternately arranged along the annular area where the class B corrugated plates are arranged; the class C corrugated plate includes fifth corrugated plate 6 and sixth corrugated plate 7, and fifth corrugated plate 6 and sixth corrugated plate 7 are arranged along the ring district that class C ripple was located in turn, and first, second, third, fourth, fifth, sixth also do not have special meaning in this embodiment, only are used for the buckled plate to distinguish, and other first that relate to later all this purpose, second, third etc. are not repeated. The sizes of the third corrugated plates 4 in different ring areas can be different, the sizes of the fourth corrugated plates 5 in different ring areas can be different, the sizes of the third corrugated plates 4 and the fourth corrugated plates 5 in the same ring area are the same, the sizes of the third corrugated plates 4 in the same ring area are the same, and the sizes of the fourth corrugated plates 5 in the same ring area are also the same; also, the fifth corrugated plate 6 may be different in size in different ring areas, the sixth corrugated plate 7 may be different in size in different ring areas, the fifth corrugated plate 6 and the sixth corrugated plate 7 in the same ring area are the same in size, the fifth corrugated plate 6 in the same ring area is the same in size, and the sixth corrugated plate 7 in the same ring area is the same in size.
The first corrugation plate 2 has a first circumferential corrugation 201 arranged circumferentially and a first radial corrugation 202 arranged radially, and the second corrugation plate 3 has a second circumferential corrugation 201 arranged circumferentially and a second radial corrugation 202 arranged radially.
The ripple of first buckled plate 2 is as shown in fig. 2, wholly is fan-shaped, first buckled plate 2 sets up the first circumferential ripple 201 that link up twice along fan-shaped circumference, the both ends of first circumferential ripple 201 form open structure respectively at the edge of first buckled plate 2, set up twice first radial ripple 202 along the radial direction of two about first buckled plate symmetries of first buckled plate 2, the first radial ripple 202 of every radial direction includes two sections, one section is located between two first circumferential ripple 201, another section is located the edge position of first buckled plate 2 and forms open end in edge position, open end is used for with other corrugated open end butt joint, the tip of the first radial ripple 202 of other positions is the blind end.
The second corrugated plate 3 is provided with two second circumferential corrugations 301 along the circumferential direction of the fan shape, the second circumferential corrugations 301 close to the inner ring of the fan shape are continuous corrugations and form an open structure at the edge of the second corrugated plate 3, the second circumferential corrugations 301 close to the outer ring of the fan shape are segmented corrugations, the second circumferential corrugations 301 close to the outer ring of the fan shape are separated into three sections by two second radial corrugations 302 which are radially continuous, one section of the second circumferential corrugations 301 between the two second radial corrugations 302 is closed at two ends, one end of the remaining two sections of the second circumferential corrugations 301 form an open end at the edge of the second corrugated plate 3 and a closed end at one end close to the second radial corrugations 302, the second radial corrugations 302 are close to the outer ring edge of the second corrugated plate 3, and the other end of the second radial corrugations 302 are close to the second circumferential corrugations 301 of the inner ring of the fan shape.
The third corrugation plate 4 has third circumferential corrugation 401 arranged circumferentially and third radial corrugation 402 arranged radially; the fourth corrugation plate 5 has fourth corrugations 501 arranged circumferentially and fourth radial corrugations 502 arranged radially.
As shown in fig. 4, the third corrugated plate 4 is in a fan ring shape as a whole, two consecutive third circumferential corrugations 401 are arranged on the third corrugated plate 4 along the circumferential direction of the fan ring, and two ends of the third circumferential corrugations 401 form open ends at the edge of the third corrugated plate 4; the third radial corrugation 402 that two sections set up is radially set up along the two of third buckled plate 4 about third buckled plate symmetry, third radial corrugation 402 is separated into the three-section by twice third circumference ripple 401, a section that third radial corrugation 402 is close to the outer lane of third buckled plate 4 forms open end at the outer lane edge of third buckled plate, a section that third radial corrugation 402 is close to the inner circle of third buckled plate 4 forms open end at the inner circle edge of third buckled plate, the tip of the third radial corrugation 402 of other positions is the blind end.
As shown in fig. 5, the fourth corrugated plate 5 is in a fan-shaped ring shape as a whole, two fourth circumferential corrugations 501 which are arranged in sections are arranged along the circumferential direction of the fourth corrugated plate, each fourth circumferential corrugation 501 is divided into three sections by two consecutive fourth radial corrugations 502 which are arranged in the radial direction, and two ends of each fourth radial corrugation 502 form open ends at the outer ring of the fan-shaped ring and the inner ring of the fan-shaped ring of the fourth corrugated plate 5 respectively; a section of fourth circumferential corrugation 501 between the two fourth radial corrugation 502 is closed at both ends, one end of the fourth circumferential corrugation 501 outside the two fourth radial corrugation 502 forms an open end at the edge of the fourth corrugation plate 4 and a closed end at the other end close to the fourth radial corrugation.
The fifth corrugated plate 6 has a fifth circumferential corrugation 601 which is circumferentially arranged and a fifth radial corrugation 602 which is radially arranged, and the sixth corrugated plate 7 has a sixth corrugation 701 which is circumferentially arranged and a sixth radial corrugation 702 which is radially arranged; the fifth corrugated plate 6 and the sixth corrugated plate 7 are respectively provided with transition corrugations 8 arranged along the respective radial directions;
as shown in fig. 6, the fifth corrugated plate 6 is provided with two consecutive fifth circumferential corrugations 601 along the circumferential direction of the fan ring of the fifth corrugated plate 6, two ends of the fifth circumferential corrugations 601 form open ends at the edge of the fifth corrugated plate 6 respectively, two radial corrugations 602 are arranged along the two radial directions of the fifth corrugated plate 6 symmetrically, each fifth radial corrugation 602 comprises two sections, one section of fifth radial corrugation 602 is positioned between the two fifth circumferential corrugations 601 and two ends of the section of fifth radial corrugation are provided with closed ends, the other section of fifth radial corrugation 602 is positioned outside the two fifth circumferential corrugations 601 and is arranged close to the fan ring outer ring of the fifth corrugated plate 6, one end of the fifth radial corrugation 602 which is arranged close to the fan ring outer ring of the fifth corrugated plate 6 forms an open end at the edge of the fan ring outer ring of the fifth corrugated plate 6 and the other end of the fifth radial corrugation 602 forms a closed end close to the fifth circumferential corrugation 601; the transition corrugation 8 on the fifth corrugated plate 6 is arranged at the edge center of the fan ring of the fifth corrugated plate 6 close to the inner ring, the transition corrugation 8 forms an open end at the edge of the inner ring of the fan ring of the fifth corrugated plate 6, and the other end of the transition corrugation 8 forms a closed end.
As shown in fig. 7, the sixth corrugated plate 7 is provided with two sections of sixth circumferential corrugations 701 along the circumferential direction of the fan ring of the sixth corrugated plate 7, two radial directions symmetrically arranged along the sixth corrugated plate 7 are respectively provided with a coherent sixth radial corrugation 702, each sixth circumferential corrugation 701 is divided into three sections by the two sixth radial corrugations 702, two ends of the sixth circumferential corrugation 701 between the two sixth radial corrugations 702 are provided with closed ends, one end of the sixth circumferential corrugation 701 outside the two sixth radial corrugations 702 forms an open end at the edge of the sixth corrugated plate 7 and forms a closed end at one end close to the sixth radial corrugation 702; the sixth radial corrugation 702 forms an open end at the edge of the outer circle sector of the sixth corrugation plate 7, and the other end of the sixth radial corrugation 702 extends toward the inner circle sector of the sixth corrugation plate 7 and forms a closed end at a position close to the inner circle sector of the sixth corrugation plate; the transition ripple 8 on the sixth corrugated plate 7 is arranged at the edge center of the fan ring of the sixth corrugated plate 7 close to the inner ring, the transition ripple 8 forms an open end at the edge of the inner ring of the fan ring of the sixth corrugated plate 7, and the other end of the transition ripple 8 forms a closed end.
The corrugated plates are required to form a complete main layer sealing film in a splicing mode, and when in splicing, the first corrugated plate and the second corrugated plate are spliced to form a circular sealing film, the first circumferential corrugation and the second circumferential corrugation are correspondingly arranged, and the first circumferential corrugation and the second circumferential corrugation are positioned on the same circular ring; selecting corresponding B-type corrugated plates or C-type corrugated plates on the outer ring of the circular sealing film according to the number of sector ring areas of the ring area of the outer ring;
The first circumferential corrugation 201 is arranged in correspondence with the second circumferential corrugation 301, and the first radial corrugation 202 is arranged radially outwards in correspondence with the fourth radial corrugation 502 or the transition corrugation 8; the second radial corrugation 302 is arranged radially outwardly of the third radial corrugation 402 or the transition corrugation 8;
third circumferential corrugation 401 is arranged corresponding to fourth circumferential corrugation 501, third radial corrugation 402 is arranged radially outwardly corresponding to fourth radial corrugation 502 or transition corrugation 8, and fourth radial corrugation 502 is arranged radially outwardly corresponding to third radial corrugation 402 or transition corrugation 8;
fifth circumferential corrugation 601 is disposed corresponding to sixth circumferential corrugation 701, fifth radial corrugation 602 is disposed radially outward corresponding to transition corrugation 8 or fourth radial corrugation 502, and sixth radial corrugation 702 is disposed radially outward corresponding to transition corrugation 8 or third radial corrugation 402.
When the second annular ring zone adopts a class B corrugated plate, as shown in fig. 11, a fourth corrugated plate 5 is arranged on the outer ring of the first corrugated plate 2 corresponding to the first corrugated plate 2, a third corrugated plate 4 is arranged on the outer ring of the second corrugated plate 3 corresponding to the second corrugated plate 3, the first radial corrugation 202 corresponds to the fourth radial corrugation 502 radially outwards and is spliced at an adjacent position, and the second radial corrugation 302 corresponds to the third radial corrugation 402 radially outwards and is spliced at an adjacent position; the fourth circumferential corrugation 501 corresponds to the third circumferential corrugation 401 and is spliced at an abutting position; the first circumferential corrugation 201 is arranged corresponding to the second circumferential corrugation 301 and is spliced at an adjoining position.
When the second annular region adopts a class-C corrugated plate, as shown in fig. 12, the first circumferential corrugation 201 is disposed corresponding to the second circumferential corrugation 301 and is spliced at an adjoining position; the outer lane of first buckled plate 2 corresponds and sets up fifth buckled plate 6 and sixth buckled plate 7, and the outer lane of second buckled plate 3 corresponds and sets up fifth buckled plate 6 and sixth buckled plate 7, and same ring district fifth buckled plate 6 and sixth buckled plate 7 set up in turn. One first radial corrugation 302 of the first corrugation plate 2 is arranged corresponding to the transition corrugation 8 of the fifth corrugation plate 6, and the other first radial corrugation 302 of the first corrugation plate 2 is arranged corresponding to the transition corrugation 8 of the sixth corrugation plate 7; one second radial corrugation 302 of the second corrugation plate 3 is arranged corresponding to the transition corrugation 8 of the fifth corrugation plate 6, and the other second radial corrugation 302 of the second corrugation plate 3 is arranged corresponding to the transition corrugation 8 of the sixth corrugation plate 7. The fifth circumferential corrugations 601 of the fifth corrugation 6 of the same annular region are arranged corresponding to the sixth circumferential corrugations 701 of the adjacent sixth corrugation 7 and are spliced at adjacent positions.
The third loop region may take the form of a corrugated panel of type B or a corrugated panel of type C, including four cases:
case one: the second ring area is a type B corrugated plate, and the third ring area is a type B corrugated plate;
And a second case: the second ring area is a class B corrugated plate, and the third ring area is a class C corrugated plate;
and a third case: the second ring area is a C-type corrugated plate, and the second ring area is a B-type corrugated plate;
case four: the second ring area is a C-shaped corrugated plate, and the second corrugation is a C-shaped corrugated plate.
In the case of the first embodiment, as shown in fig. 13, when two adjacent ring areas are B-type corrugated plates, the third corrugated plates 4 and the fourth corrugated plates 5 in the same ring area are alternately arranged, the radial third corrugated plates 4 are adjacent to the fourth corrugated plates 5, the third corrugated plates of the second ring in fig. 13 are correspondingly provided with the fourth corrugated plates of the third ring, and the fourth corrugated plates of the second ring are correspondingly provided with the third corrugated plates of the third ring area. The third radial corrugation corresponds to the fourth radial corrugation, and the third circumferential corrugation 401 corresponds to the fourth circumferential corrugation 501 in the circumferential direction.
In the second case, as shown in fig. 14 ABC, the outer ring of the fourth corrugated plate 5 is correspondingly provided with a fifth corrugated plate 6 and a sixth corrugated plate 7, and two fourth radial corrugations 502 of the fourth corrugated plate 5 are respectively corresponding to the transition corrugations 8 of the fifth corrugated plate 6 and the transition corrugations 8 of the sixth corrugated plate 7. The outside of the third corrugation plate 4 is correspondingly provided with a fifth corrugation plate 6 and a sixth corrugation plate 7 (not shown in the figure), and two third radial corrugations 402 of the third corrugation plate are correspondingly provided with transition corrugations 8 of the fifth corrugation plate 6 and transition corrugations 8 of the sixth corrugation plate 7, respectively.
In the third case, as shown in fig. 15, the outer ring of the fifth corrugated plate 6 is correspondingly provided with a third corrugated plate 4 or a fourth corrugated plate 5, and the outer ring of the sixth corrugated plate 7 is correspondingly provided with the third corrugated plate 4 or the fourth corrugated plate 5;
as a preferred scheme, the outer lane of the fifth corrugated plate 6 is correspondingly provided with the fourth corrugated plate 5, the outer lane of the sixth corrugated plate 7 is correspondingly provided with the third corrugated plate 4, the fifth radial corrugation 602 of the fifth corrugated plate 6 is correspondingly provided with the fourth radial corrugation 502 of the fourth corrugated plate 5, and the sixth radial corrugation 702 of the sixth corrugated plate 7 is correspondingly provided with the third radial corrugation 402 of the third corrugated plate 4.
In the fourth case, as shown in fig. 16, the outer ring of the fifth corrugated plate 6 is correspondingly provided with a fifth corrugated plate 6 and a sixth corrugated plate 7, and the outer ring of the sixth corrugated plate 7 is correspondingly provided with a fifth corrugated plate 6 and a sixth corrugated plate 7; the two fifth radial waves 602 of the fifth corrugated plate 6 are respectively corresponding to the transition waves 8 of the fifth corrugated plate 6 and the transition waves 8 of the sixth corrugated plate 7 of the outer ring, and the two sixth radial waves 702 of the sixth corrugated plate 7 are respectively corresponding to the transition waves 8 of the fifth corrugated plate 6 and the sixth corrugated plate 7 of the outer ring.
Each sector-ring region and each sector-region have the same hierarchical structure, the hierarchical structure of the sector-regions is shown in fig. 8, and the hierarchical structure of the sector-ring region is shown in fig. 9.
As shown in fig. 8, a fan-shaped sub-layer insulating module 901, a fan-shaped sub-layer sealing film 902 and a fan-shaped main layer insulating module 903 are sequentially included in a fan-shaped region, the fan-shaped sub-layer sealing film 902 and the fan-shaped main layer insulating module 903 are prefabricated on the fan-shaped sub-layer insulating module 901 to form a prefabricated insulating module 9 of the fan-shaped region, and the edges of the fan-shaped main layer insulating module 903 of the prefabricated insulating module 9 of the fan-shaped region form a lap gap above the fan-shaped sub-layer sealing film 902.
As shown in fig. 9, a fan-shaped sub-layer insulating module 901, a fan-shaped sub-layer sealing film 902 and a fan-shaped main layer insulating module 903 are sequentially included in the fan-shaped region, the fan-shaped sub-layer sealing film 902 and the fan-shaped main layer insulating module 903 are prefabricated on the fan-shaped sub-layer insulating module 901 to form a prefabricated insulating module 9 of the fan-shaped region, and the edge of the fan-shaped main layer insulating module 903 of the prefabricated insulating module 9 of the fan-shaped region forms a lap gap above the fan-shaped sub-layer sealing film 902.
The combination of the prefabricated insulating modules 9 in the sector area and the prefabricated insulating modules 9 in the sector ring area is shown in fig. 10, bridging modules spanning adjacent prefabricated insulating modules are arranged in the lap joint gaps, and the bridging modules are specifically divided into a first bridging module 904, a second bridging module 905 and a third bridging module 906, and the bridging modules are installed as shown in fig. 17:
Wherein the first bridging module 904 is cross-shaped, and the prefabricated insulating modules 9 of the first bridging module 904 crossing the four fan-shaped areas are lapped in the lapping gap;
the second bridging module 905 is in a shape of a straight line, and the second bridging module 905 spans adjacent prefabricated insulating modules 9 in the radial direction and is lapped in the lapping gap;
the third bridge module 906 is in the shape of a fanned ring, and the third bridge module 906 circumferentially spans adjacent prefabricated insulating modules 9 and overlaps in the overlap gap.
Preferably, the second bridge module 905 is disposed across two adjacent ring regions, with one end of the second bridge module 905 being aligned radially outward with the outer ring edge of the third bridge module 906.
As shown in fig. 18, a first welding metal plate 907 is respectively disposed on the first bridging module 904, the second bridging module 905 and the third bridging module 906, a second welding metal plate 908 is further disposed on the second bridging module 905, the second welding metal plate 908 is vertically disposed opposite to the first welding metal plate 907 on the second bridging module 905, two ends of the second welding metal plate 908 extend and overlap the main layer insulation module 903 of the prefabricated insulation module 9 adjacent to the same ring region, and the corrugated plate is welded and fixed with the first welding metal plate 907 and the second welding metal plate 908.
The size of each corrugated plate is larger than the corresponding sector area or sector ring area, the edges of the corrugated plates extend to the first welding metal plate 907 and the second welding metal plate 908, and the edge lap welding of the corrugated plates ensures tightness.
The upper end edge of the main layer insulation module 903 of the prefabricated insulation module 9 is provided with a mounting groove 909 corresponding to the end of the second welded metal plate 908, as shown in fig. 8 and 9, the end of the second welded metal plate 908 is lap-mounted in the mounting groove 909, a connecting piece for mounting the end of the second welded metal plate 908 is arranged in the mounting groove 909, the end of the second welded metal plate 908 is provided with a waist-shaped round hole corresponding to the connecting piece, and the length direction of the waist-shaped round hole is consistent with the length direction of the second welded metal plate. When deformation occurs between the prefabricated insulating modules due to expansion with heat and contraction with cold, the connecting piece is adaptively adjusted along the kidney-shaped hole, so that the problem that the prefabricated insulating modules are damaged due to overlarge local stress of the mounting position of the connecting piece can be avoided.
As shown in fig. 19, the first bridge module 904 includes a first insulation block 9041 at the bottom and a first fixing plate 9042 at the upper layer, and the first welded metal plate 907 is fixed to the first fixing plate 9042, and the first fixing plate 9042 is adhesively fixed to the first insulation block 9041 by means of, for example, rivet fixing.
As shown in fig. 20, the second bridge module 905 includes a second insulation block 9051, a second middle plate 9052, a third insulation block 9053 and a second fixing plate 9054 at the bottom, and the second insulation block 9051, the second middle plate 9052, the third insulation block 9053 and the second fixing plate 9054 are adhered and fixed into a whole, and the first metal welding plate 907 and the second welding plate 908 are fixed on the second fixing plate 9054, for example, fixed by rivets.
As shown in fig. 21, the third bridge module 906 includes a fourth insulation block 9061 at the bottom and a third fixing plate 9062 at the upper layer, the third fixing plate 9062 is adhered to the fourth insulation block 9061, a first welded metal plate 907 is fixed on the third fixing plate 9062, and the first welded metal plate 907 and the third fixing plate 9062 can be connected and fixed by rivets.
The first heat insulating block 9041, the second heat insulating block 9051, the third heat insulating block 9053 and the fourth heat insulating block 9061 are made of heat insulating materials such as polyurethane foam, and the first fixing plate 9042, the second middle plate 9052, the second fixing plate 9054 and the third fixing plate 9062 are made of hard non-metal plates such as glued wood plates.
Anchoring members 10 are respectively arranged between the prefabricated insulating modules in the sector area, between the prefabricated insulating modules in the sector ring area and between the prefabricated insulating modules in the sector area and the prefabricated insulating modules in the sector ring area, and the prefabricated insulating modules 9 are anchored on a foundation structure through the anchoring members 10, and the foundation structure is a supporting structure such as a concrete foundation structure, a steel structure and the like where the land thin film type storage tank is located.
Specifically, the fan-shaped main layer insulating module 903 of the prefabricated insulating module 9 in the fan-shaped area and the fan-shaped main layer insulating module 903 of the prefabricated insulating module 9 in the fan-shaped ring area each include a top plate 9031, an upper insulating block 9032, a middle plate 9033 and a lower insulating block 9034 which are sequentially arranged, the top plate 9031, the upper insulating block 9032, the middle plate 9033 and the lower insulating block 9034 are integrally bonded, and the lower insulating block 9034 is bonded to the sub-layer sealing film 902 on the sub-layer insulating module 901; the connector passes through the top plate, upper insulator block and middle plate in turn, and the connector, such as a long screw, is locked by a nut disposed in the lower insulator block 9034 below the middle plate 9033.
The fan-shaped sub-layer insulation module 901 of the prefabricated insulation module in the fan-shaped area and the fan-shaped sub-layer insulation module 901 in the fan-shaped area respectively comprise a sub-layer insulation block 9011 and a sub-layer insulation bottom plate 9012 adhered to the bottom surface of the sub-layer insulation block 9011, and an anchoring groove 9013 is formed in the edge of the sub-layer insulation block 9011 corresponding to the anchoring piece 10.
The top plate 9031, middle plate 9033, and sub-layer insulating bottom plate 9012 are all made of hard non-metal plates, such as plywood; the upper insulating block 9032, the lower insulating block 9034, and the sub-layer insulating block 9011 are each made of a heat insulating material such as polyurethane foam.
An anchor cushion block 9014 is arranged in the anchor groove 9013, the anchor cushion block 9014 is adhesively mounted in the anchor groove 9013, one end of an anchor 10 is connected with a foundation structure, an anchor base for anchor mounting is prefabricated and mounted on the foundation structure, the anchor 10 is connected with the anchor base through threads, the other end of the anchor 10 is provided with a clamping plate 11, the clamping plate 11 is lapped on the anchor cushion block 9014 in the anchor groove 9013, and the clamping plate 11 is pulled by the anchor 10 to fix the prefabricated insulating module 9. Adjacent anchor grooves 9013 are oppositely arranged to form an anchor space, an anchor 10 is arranged in the anchor space, and gaps between prefabricated insulating modules outside the anchor grooves 9013 are filled with flexible heat insulation materials, such as glass wool.
The adjacent sub-layer sealing films of the prefabricated insulating modules 9 are also spanned and laid with flexible sealing films, the flexible sealing films are carried on the edges of the sub-layer sealing films, and the bridging modules are arranged to cover the flexible sealing films.
In this embodiment, the secondary sealing film and the flexible sealing film are both made of two layers of glass fiber cloth and aluminum films, the thickness of the aluminum film of the flexible sealing film is lower than that of the aluminum film of the secondary sealing film, and the glass fiber cloth and the aluminum foil are bonded into a whole in a bonding mode.
As a complete storage tank, a circle of circular arc-shaped side wall 12 is further arranged along the circular bottom 1, a transition corner area 13 is arranged between the circular arc-shaped side wall 12 and the circular bottom, the circular arc-shaped side wall and the transition corner area are respectively provided with a circular arc-shaped side wall insulation module and a corner area insulation module, the side wall insulation module and the corner area insulation module are also provided with corrugated plates, and the form of the corrugated plates is not particularly limited.
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 (16)
1. The land thin film type storage tank is characterized by comprising a circular bottom, wherein the circular bottom comprises a plurality of annular areas which are sequentially arranged outwards from the circle center in the radial direction, the innermost annular area comprises four sector areas in the radial direction, and the annular area outside the innermost annular area comprises N sector annular areas; the outer arc length of the fan ring area is L, the outer arc length L of the fan ring area is not more than H, H is not less than 800mm and not more than 3500mm, the arc length radius of the fan shape of the innermost ring area is R1, and the ring width of the ring area outside the innermost ring area is R2;
L=2pi (r1+ (n-1) R2)/M, M being the number of sector areas or sector ring areas of the inner ring area of the previous layer, the values of n are 2,3,4 … n in order from the first ring area outside the innermost ring area;
the number N of sector areas of each ring outside the innermost ring meets:
when L is less than or equal to H, N=M;
when L > H, then n=2m.
2. A land film tank according to claim 1, wherein each of said sector and sector ring areas is provided with corrugated plates, respectively, having the same shape as the corresponding sector or sector ring area; the buckled plate includes a class buckled plate and B class buckled plate and C class buckled plate, A class buckled plate sets up in fan-shaped region, B class buckled plate sets up the fan-shaped ring area in the ring area when N=M, C class buckled plate sets up the fan-shaped ring area in the ring area when N=2M.
3. A land film type storage tank as defined in claim 2, wherein said corrugated panels of type a include first corrugated panels and second corrugated panels, said first corrugated panels and second corrugated panels being alternately disposed along an innermost annular zone; the class B corrugated plates comprise a third corrugated plate and a fourth corrugated plate which are alternately arranged along the ring area where the class B corrugated plates are positioned; the C-type corrugated plate comprises a fifth corrugated plate and a sixth corrugated plate, and the fifth corrugated plate and the sixth corrugated plate are alternately arranged along the annular area where the C-type corrugated plate is arranged.
4. A land film tank as claimed in claim 3, wherein said first corrugated plate has first circumferential corrugations and first radial corrugations circumferentially disposed, and said second corrugated plate has second circumferential corrugations and second radial corrugations radially disposed;
the third corrugated plate is provided with third circumferential corrugation arranged in the circumferential direction and third radial corrugation arranged in the radial direction; the fourth corrugated plate is provided with fourth corrugations arranged in the circumferential direction and fourth radial corrugations arranged in the radial direction;
the fifth corrugated plate has a fifth circumferential corrugation disposed circumferentially and a fifth radial corrugation disposed radially, and the sixth corrugated plate has a sixth corrugated plate disposed circumferentially and a sixth radial corrugation disposed radially; the fifth corrugated plate and the sixth corrugated plate are respectively provided with transition waves which are arranged along the radial direction of each of the fifth corrugated plate and the sixth corrugated plate, the transition waves are arranged at the center of the edge of the fan ring, which is close to the inner ring, the transition waves form an open end at the edge of the inner ring of the fan ring, and the other end of the transition waves form a closed end;
the first circumferential corrugation is arranged corresponding to the second circumferential corrugation, and the first radial corrugation is arranged radially outwards corresponding to the fourth radial corrugation or the transition corrugation; the second radial corrugation is arranged radially outwards corresponding to the third radial corrugation or the transition corrugation;
The third circumferential corrugation is arranged corresponding to the fourth circumferential corrugation, the third radial corrugation is arranged radially outwards corresponding to the fourth radial corrugation or the transition corrugation, and the fourth radial corrugation is arranged radially outwards corresponding to the third radial corrugation or the transition corrugation;
the fifth circumferential corrugation is arranged corresponding to the sixth circumferential corrugation, the fifth radial corrugation is arranged radially outwards corresponding to the transition corrugation or the fourth radial corrugation, and the sixth radial corrugation is arranged radially outwards corresponding to the transition corrugation or the third radial corrugation.
5. The land thin film type storage tank as claimed in claim 2, wherein the sector area or sector ring area includes a sub-layer insulation module, a sub-layer sealing film, a main layer insulation module, which are sequentially disposed, respectively, the sub-layer sealing film and the main layer insulation module being prefabricated on the sub-layer insulation module to form a prefabricated insulation module, and a main layer insulation module edge of the prefabricated insulation module forming a lap gap above the sub-layer sealing film; bridging modules crossing adjacent prefabricated insulating modules are arranged in the lap joint gaps.
6. The land thin film storage tank of claim 5, wherein said bridge module comprises a first bridge module, a second bridge module, and a third bridge module; the first bridging module is cross-shaped, and the prefabricated insulating modules of the first bridging module which cross the four fan-shaped areas are lapped in the lapping gap; the second bridging module is in a straight shape, and is overlapped in the overlap gap along the radial direction across the adjacent prefabricated insulating modules; the third bridging module is in a fan ring shape, and the third bridging module spans adjacent prefabricated insulating modules along the circumferential direction and is lapped in the lapping gap.
7. The land film tank of claim 6, wherein said second bridge module is disposed across two adjacent ring areas, one end of the second bridge module being aligned radially outwardly with an outer ring edge of the third bridge module.
8. The land thin film storage tank as claimed in claim 6, wherein anchors are provided between said prefabricated insulation modules, said anchors anchoring the prefabricated insulation modules to the foundation structure.
9. The land thin film type storage tank as claimed in claim 6 or 7, wherein the first bridging module, the second bridging module and the third bridging module are respectively provided with a first welding metal plate, the second bridging module is further provided with a second welding metal plate, the second welding metal plate is vertically arranged relative to the first welding metal plate on the second bridging module, two ends of the second welding metal plate extend and overlap the main layer insulation module of the prefabricated insulation module adjacent to the unified ring zone, and the corrugated plate is welded and fixed with the first welding metal plate and the second welding metal plate.
10. The land thin film type storage tank as claimed in claim 9, wherein the upper end edge of the main layer insulation module of the prefabricated insulation module is provided with a mounting groove corresponding to the end part of the second welding metal plate, the end part of the second welding metal plate is lapped and mounted in the mounting groove, a connecting piece for mounting the end part of the second welding metal plate is arranged in the mounting groove, the end part of the second welding metal plate is provided with a waist round hole corresponding to the connecting piece, and the length direction of the waist round hole is consistent with the length direction of the second welding metal plate.
11. The land thin film storage tank as claimed in claim 10, wherein said main layer insulation module comprises a top plate, an upper insulation block, a middle plate and a lower insulation block arranged in this order, the top plate, the upper insulation block, the middle plate and the lower insulation block are integrally bonded, and the lower insulation block is bonded to a sub-layer sealing film on the sub-layer insulation module; the connecting piece passes through the top plate, the upper insulating block and the middle plate in sequence.
12. The land thin film storage tank as claimed in claim 11, wherein the sub-layer insulation module comprises a sub-layer insulation block and a sub-layer insulation base plate adhered to the bottom surface of the sub-layer insulation block, and an anchor groove is provided at the edge of the sub-layer insulation block corresponding to the anchor member.
13. The land thin film storage tank as claimed in claim 12, wherein an anchor pad is provided in the anchor groove, one end of the anchor is connected to the foundation structure, and the other end of the anchor is ballast-towed on the anchor pad; adjacent anchoring grooves are oppositely arranged to form an anchoring space, and the anchoring piece is arranged in the anchoring space.
14. The land thin film storage tank as claimed in claim 13, wherein flexible sealing films are further laid across the sub-layer sealing films of adjacent prefabricated insulating modules, the flexible sealing films are mounted on edges of the sub-layer sealing films, and the bridge modules are arranged to cover the flexible sealing films.
15. The land thin film storage tank as claimed in claim 14, wherein the sub-layer sealing film and the flexible sealing film are made of two layers of glass fiber cloth sandwiched aluminum film, and the thickness of the aluminum film of the flexible sealing film is lower than that of the sub-layer sealing film.
16. A land film tank as claimed in claim 1, wherein a circular arc shaped side wall is provided along the circular bottom, a transition angle being provided between the circular arc shaped side wall and the circular bottom.
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| CN202410251261.4A CN117847403A (en) | 2024-03-06 | 2024-03-06 | Land thin film type storage tank |
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| JPH11236998A (en) * | 1998-02-23 | 1999-08-31 | Ishikawajima Harima Heavy Ind Co Ltd | Ground low-temperature storage tank |
| CN101611256A (en) * | 2007-02-13 | 2009-12-23 | 气体运输技术公司 | The column construction of forming by rectangular elements |
| CN102597600A (en) * | 2009-10-20 | 2012-07-18 | 天然气运输和科技公司 | Polygonal LNG vessel |
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| WO2022074148A1 (en) * | 2020-10-09 | 2022-04-14 | Gaztransport Et Technigaz | Sealed and thermally insulating tank |
| CN112298457A (en) * | 2020-11-06 | 2021-02-02 | 中太海事技术(上海)有限公司 | A type cabin secondary shielding for liquefied natural gas stores and protector thereof |
| CN117043505A (en) * | 2021-03-24 | 2023-11-10 | 气体运输技术公司 | Demarcation method for constructing liquefied gas storage facility including polygonal support structure |
| CN116817162A (en) * | 2023-06-29 | 2023-09-29 | 中太海事技术(上海)有限公司 | Corrugated plate and storage container with smooth top surface and draw beads |
| US20230408030A1 (en) * | 2023-06-29 | 2023-12-21 | Sinotech Marine Co., Ltd. | Corrugated plate having smooth top surface and drawbeads and storage container |
| CN117231904A (en) * | 2023-08-04 | 2023-12-15 | 江苏中圣高科技产业有限公司 | Metal film plate for liquefied gas warehouse |
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