CN115789502A - Polygonal corrugated plate suitable for thin film tank containment system and thin film tank - Google Patents
Polygonal corrugated plate suitable for thin film tank containment system and thin film tank Download PDFInfo
- Publication number
- CN115789502A CN115789502A CN202211338026.8A CN202211338026A CN115789502A CN 115789502 A CN115789502 A CN 115789502A CN 202211338026 A CN202211338026 A CN 202211338026A CN 115789502 A CN115789502 A CN 115789502A
- Authority
- CN
- China
- Prior art keywords
- polygonal
- corrugated plate
- corrugated
- tank
- continuous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a polygonal corrugated plate suitable for a thin film tank containment system and a thin film tank, wherein the polygonal corrugated plate comprises: the corrugated plate comprises a corrugated plate substrate, wherein polygonal continuous corrugations are formed on the corrugated plate substrate, and the edges of the polygonal continuous corrugations protrude and converge at vertexes; the thin film tank comprises a sealed inner tank and a concrete outer tank, wherein the sealed inner tank is formed by welding a plurality of polygonal corrugated plates. The polygonal continuous corrugation can provide the expansion amount required by the cyclic loading of a stored liquid, when the liquid enters and exits from the thin film tank, the continuous corrugation can generate obvious deformation along with the change of pressure and temperature, the deformation can compensate the shrinkage and the relaxation of the whole corrugated plate, a welding area cannot be influenced, the stress of a welding line is uniform, and the integral operation stability of the storage tank is ensured.
Description
Technical Field
The invention relates to the technical field of liquefied natural gas storage and transportation, in particular to a polygonal corrugated plate suitable for a thin film tank containment system and a thin film tank.
Background
The LNG thin film tank has become a tank type with higher market share in the LNG industry for nearly 20 years, and nearly hundreds of thin film type storage tanks are built in multiple countries and regions; the buckled plate is responsible for sealed stock solution as the sealed inner tank of LNG film tank storage liquid.
The corrugated plate structure of the film tank running at present in China is designed and manufactured by a GTT company, the corrugated plate designed by the existing GTT company is in an orthogonal corrugated form, the corrugated form must be allowed by the GTT company when used in China, the GTT company collects high use fee for a user according to the inner surface area of a storage tank, the user must purchase the corrugated plate from a steel plate material supplier obtaining GTT certification, a corrugated plate processing and manufacturing unit, the material purchase source is very limited, the purchase period is long, the purchase cost is high, and the popularization and application of the film tank in China are seriously influenced. The corrugated plate of the thin film tank of GTT company is formed by pressing by adopting a cold bending process, the longitudinal corrugation, the transverse corrugation and the fold part are respectively processed, and the processing procedure and the processing process are relatively complex.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a polygonal corrugated plate suitable for a thin film tank containment system and a thin film tank.
The invention discloses a polygonal corrugated plate suitable for a thin film tank containment system, which comprises: the corrugated plate comprises a corrugated plate substrate, wherein polygonal continuous corrugations are formed on the corrugated plate substrate, and the ridges of the polygonal continuous corrugations protrude out and converge at the vertexes.
As a further improvement of the invention, each side of the polygonal continuous corrugation is an arc bulge, and an arc transition is formed between each side of the polygonal continuous corrugation and the corrugated plate substrate.
As a further improvement of the invention, the polygonal continuous corrugation is a regular polygonal continuous corrugation.
As a further improvement of the present invention, the polygonal continuous corrugation includes, but is not limited to, a square continuous corrugation formed by intersecting transverse waves and longitudinal waves, and a regular hexagonal continuous corrugation formed by intersecting transverse waves and circumferential waves.
As a further improvement of the invention, the thickness of the corrugated board substrate is 1-1.2mm of the stainless steel plate, and the polygonal continuous corrugations are formed on the corrugated board substrate by stamping through a cold stamping die.
As a further improvement of the invention, a single polygonal corrugated plate is rectangular, and the polygonal bottom surface formed by the continuous polygonal corrugations is used for paving the walking of constructors.
As a further improvement of the invention, the plane edge of the corrugated plate of one polygonal corrugated plate is lapped and welded and fixed with the plane edge of the corrugated plate of another polygonal corrugated plate or the embedded stainless steel plate of the bottom insulating plate to prepare the sealed inner tank of the film tank.
The invention also provides a film tank which comprises a sealed inner tank and a concrete outer tank, wherein the sealed inner tank is formed by welding a plurality of polygonal corrugated plates.
Compared with the prior art, the invention has the beneficial effects that:
the polygonal continuous corrugation can provide the expansion amount required by the cyclic loading of a stored liquid, when the liquid enters and exits from the thin film tank, the continuous corrugation can generate obvious deformation along with the change of pressure and temperature, the deformation can compensate the shrinkage and the relaxation of the whole corrugated plate, a welding area cannot be influenced, the stress of a welding line is uniform, and the integral operation stability of the storage tank is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a polygonal corrugated plate suitable for a membrane tank containment system according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a polygonal corrugated plate suitable for a membrane tank containment system according to embodiment 2 of the present invention.
In the figure:
1-1, transverse wave; 1-2, longitudinal wave; 1-3, corrugated plate plane edges; 1-4, vertex; 1-5, corrugated plate substrate;
2-1, transverse wave; 2-2, annular wave; 2-3, corrugated plate plane edges; 2-4, vertex; 2-5, corrugated plate base plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a polygonal corrugated plate suitable for a thin-film tank containment system, which is suitable for all tank types, and the structural design of the corrugated plate cannot be changed too much no matter how large the volume of a storage tank is; it includes: the device comprises a corrugated plate substrate, wherein polygonal continuous corrugations are formed on the corrugated plate substrate, the ridges of each side of each polygonal continuous corrugation protrude out and are converged at the vertex, and the formed polygonal continuous corrugations can provide the expansion amount required by cyclic loading of a stock solution; each side of the polygonal continuous corrugation is an arc bulge, and arc transition is formed between each side of the polygonal continuous corrugation and the corrugated plate substrate; preferably, the polygonal continuous corrugation is a regular polygonal continuous corrugation.
The invention is described in further detail below with reference to the attached drawing figures:
example 1:
as shown in fig. 1, the present invention provides a polygonal corrugated plate suitable for a membrane tank containment system, comprising: the corrugated plate comprises a corrugated plate substrate 1-5, wherein square continuous corrugations are formed on the corrugated plate substrate 1-5 and formed by intersecting transverse waves 1-1 and longitudinal waves 1-2; the transverse wave 1-1 and the longitudinal wave 1-2 are raised and converged at the vertex 1-4, the transverse wave 1-1 and the longitudinal wave 1-2 are arc bulges, the arc radius is not less than 50mm, arc transition is formed between the arc bulges and the corrugated plate substrate 1-5, and the arc radius is not less than 20mm.
Further, the corrugated plate substrate 1-5 is a stainless steel plate with a thickness of 1 to 1.2mm, preferably an S30408 stainless steel plate; the square continuous corrugation is formed on the corrugated plate substrate by stamping through a cold stamping die.
Furthermore, the single square corrugated plate is rectangular, and the square bottom surface formed by the continuous square corrugations is used for paving constructors to walk so as to complete the installation and construction of the corrugated plates.
Furthermore, the height of the projection of the transverse wave 1-1 and the longitudinal wave 1-2 is 50 mm-150 mm, and the width of the bottom is 100-300 mm;
further, whether the vertex 1-4 is in the same plane as the highest point of the shear wave 1-1 and the longitudinal wave 1-2.
Furthermore, according to the current manufacturing process, the width of the plate breadth is 1500 mm-2000 mm, and the length is 6000 mm-10000 mm.
Furthermore, the regular polygonal corrugated plate can ensure that the peripheral stress of the film plate is uniform, so that the film of the film inner tank of the storage tank is in a state of uniform stress in the actual operation process, the local stress concentration is reduced, the leakage risk of the storage tank is reduced, and the safety of the storage tank is improved.
The square corrugated plate formed by the invention has the plane edges 1-3 of the corrugated plate, and when the square corrugated plate is used, the plane edge 1-3 of the corrugated plate of one square corrugated plate is lapped and welded with the plane edge 1-3 of the corrugated plate of the other square corrugated plate or the embedded stainless steel plate of the bottom insulating plate to be fixed, so that the sealed inner tank of the film tank is manufactured. Wherein the lapping width is 25 mm-80 mm.
The invention also provides a film tank, which comprises a sealed inner tank and a concrete outer tank, wherein the sealed inner tank is formed by welding a plurality of square corrugated plates shown in figure 1; the sealed inner tank formed by lap welding the square corrugated plates can ensure that the stored liquid does not leak; the square corrugated plate is not responsible for liquid storage and pressure bearing, and pressure is transmitted to the concrete outer tank through the square corrugated plate, so that the thickness can be 1-1.2mm, and the elastic deformation can meet the liquid storage receiving and sending requirements. When the thin film tank is filled with liquid, the square continuous corrugations formed by the transverse waves 1-1, the longitudinal waves 1-2 and the vertexes 1-4 can generate obvious deformation along with the changes of pressure and temperature, the deformation can compensate the shrinkage and the relaxation of the whole corrugated plate, a welding zone at the position of the plane edge 1-3 of the corrugated plate cannot be influenced, the welding line is uniformly stressed, and therefore the whole storage tank is ensured to operate stably.
Example 2:
as shown in fig. 2, the present invention provides a polygonal corrugated plate suitable for a membrane tank containment system, which is different from embodiment 1 in that:
in the embodiment 2, regular hexagonal continuous corrugation is formed on a corrugated plate substrate 1-5, and the regular hexagonal continuous corrugation is formed by intersecting transverse waves 2-1 and circumferential waves 2-2; the transverse wave 2-1 and the circumferential wave 2-2 are protruded and converged at the top 2-4, the formed single-sheet regular hexagonal corrugated plate is rectangular and is provided with 2-3 planar edges of the corrugated plate for lap welding and fixing, and the bottom surface of a regular hexagon surrounded by regular hexagonal continuous corrugations is used for paving constructors to walk so as to complete the installation and construction of the corrugated plate.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A polygonal corrugated plate suitable for a membrane tank containment system, comprising: the corrugated plate comprises a corrugated plate substrate, wherein polygonal continuous corrugations are formed on the corrugated plate substrate, and the ridges of the polygonal continuous corrugations protrude out and converge at the vertexes.
2. The corrugated board of claim 1, wherein each side of the continuous polygonal corrugation is a rounded protrusion, and a rounded transition is formed between each side of the continuous polygonal corrugation and the corrugated board substrate.
3. The polygonal corrugated board of claim 1 wherein the polygonal continuous corrugations are regular polygonal continuous corrugations.
4. The polygonal corrugated plate according to any one of claims 1 to 3, wherein the polygonal continuous corrugations include, but are not limited to, square continuous corrugations formed by intersection of transverse waves and longitudinal waves and regular hexagonal continuous corrugations formed by intersection of transverse waves and circumferential waves.
5. The corrugated board according to any one of claims 1 to 3, wherein the corrugated board substrate is a stainless steel sheet having a thickness of 1 to 1.2mm, and the polygonal continuous corrugations are stamped on the corrugated board substrate using a cold stamping die.
6. The corrugated board of any one of claims 1 to 3, wherein a single piece of the corrugated board has a rectangular shape, and the polygonal bottom surface surrounded by the polygonal continuous corrugations is used for paving the walking of a worker.
7. The corrugated plate of any one of claims 1 to 3, wherein a flat edge of a corrugated plate of one of the corrugated plates is overlapped with a flat edge of a corrugated plate of another of the corrugated plates or an embedded stainless steel plate of a bottom insulating plate and welded and fixed to manufacture a sealed inner tank of a membrane tank.
8. A membrane tank comprising a sealed inner tank and a concrete outer tank, said sealed inner tank being formed by welding a plurality of polygonal corrugated plates as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211338026.8A CN115789502A (en) | 2022-10-28 | 2022-10-28 | Polygonal corrugated plate suitable for thin film tank containment system and thin film tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211338026.8A CN115789502A (en) | 2022-10-28 | 2022-10-28 | Polygonal corrugated plate suitable for thin film tank containment system and thin film tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115789502A true CN115789502A (en) | 2023-03-14 |
Family
ID=85434354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211338026.8A Pending CN115789502A (en) | 2022-10-28 | 2022-10-28 | Polygonal corrugated plate suitable for thin film tank containment system and thin film tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115789502A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498885A (en) * | 2023-06-29 | 2023-07-28 | 中太海事技术(上海)有限公司 | Corrugated plate and storage container with smooth top surface and draw beads |
| CN116772090A (en) * | 2023-06-19 | 2023-09-19 | 中太(苏州)氢能源科技有限公司 | Thin film metal sheet with arch-shaped bulge area |
-
2022
- 2022-10-28 CN CN202211338026.8A patent/CN115789502A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772090A (en) * | 2023-06-19 | 2023-09-19 | 中太(苏州)氢能源科技有限公司 | Thin film metal sheet with arch-shaped bulge area |
| CN116772090B (en) * | 2023-06-19 | 2024-03-19 | 中太(苏州)氢能源科技有限公司 | Thin film metal sheet with arch-shaped bulge area |
| CN116498885A (en) * | 2023-06-29 | 2023-07-28 | 中太海事技术(上海)有限公司 | Corrugated plate and storage container with smooth top surface and draw beads |
| CN116498885B (en) * | 2023-06-29 | 2023-09-12 | 中太海事技术(上海)有限公司 | Corrugated plate and storage container with smooth top surface and draw beads |
| US11953156B2 (en) | 2023-06-29 | 2024-04-09 | Sinotech Energy Co., Ltd. | Corrugated plate having smooth top surface and drawbeads and storage container |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115789502A (en) | Polygonal corrugated plate suitable for thin film tank containment system and thin film tank | |
| KR102096514B1 (en) | Thermally-insulating sealed tank built into a load-bearing structure | |
| KR102061171B1 (en) | Thermally-insulating sealed tank | |
| US3299598A (en) | Corrugated sheet-like yieldable wall element | |
| TWI298305B (en) | Sealed wall structure and tank furnished with such a structure | |
| AU2011266930B2 (en) | Sealed and insulating vessel comprising a support foot | |
| KR102181506B1 (en) | Insulating block for producing a sealed and insulated tank wall | |
| CN116817162A (en) | Corrugated plate and storage container with smooth top surface and draw beads | |
| KR101444342B1 (en) | Pump tower base support structure of lng storage tank | |
| CN116221613A (en) | Shielding plate and container for storing liquefied gas | |
| KR20120061402A (en) | Insulation structure of tank for storing lng | |
| KR100855126B1 (en) | Reliable insulation system for lng cargo containment and its construction procedure | |
| KR970005076B1 (en) | Method for manufacturing a membrane for a gas tank | |
| KR20100022679A (en) | Angle pieces for mounted on corner panel of lng cargo containment system | |
| CN204399820U (en) | Inner floating roof structure | |
| CN111924048B (en) | Device for containing liquid gas in cabin of marine structure | |
| CN211811305U (en) | Assembled stainless steel double-deck floating roof | |
| CA2930888C (en) | Membrane type cryogenic tank comprising seal structure | |
| KR20150028437A (en) | Membrane of tank for cryogenic fluid storage and insulating system having the same | |
| CN215061251U (en) | Corner plate for manufacturing metal inner tank of membrane type low-temperature storage tank | |
| CN209855337U (en) | Sealing structure between metal plate and anti-seepage geomembrane | |
| CN112283218A (en) | Honeycomb steel plate for natural gas and connecting piece device | |
| CN206206956U (en) | A kind of support of the retaining element on gridded platform | |
| CN112193640A (en) | Base plate of metal inner tank for manufacturing membrane type low-temperature storage tank | |
| KR970005077B1 (en) | Membrane structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |