CN112283218A - Honeycomb steel plate for natural gas and connecting piece device - Google Patents
Honeycomb steel plate for natural gas and connecting piece device Download PDFInfo
- Publication number
- CN112283218A CN112283218A CN202010985292.4A CN202010985292A CN112283218A CN 112283218 A CN112283218 A CN 112283218A CN 202010985292 A CN202010985292 A CN 202010985292A CN 112283218 A CN112283218 A CN 112283218A
- Authority
- CN
- China
- Prior art keywords
- corner
- natural gas
- flexible
- honeycomb
- connecting piece
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003345 natural gas Substances 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 229910001566 austenite Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 6
- 239000003949 liquefied natural gas Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/08—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of welds or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/22—Assembling processes
- F17C2209/221—Welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a natural gas honeycomb steel plate and a connecting piece device, which comprises a natural gas cabin, wherein a secondary screen liner is arranged on the inner wall of the natural gas cabin, the secondary screen liner is formed by splicing a plurality of groups of sub-screen plates, the plate surfaces of the sub-screen plates are formed by splicing a plurality of groups of honeycomb plates, the honeycomb plates are formed by six groups of side plates, a flexible corner is arranged between two adjacent groups of side plates, two ends of the flexible corner are respectively and fixedly connected with the side plates on two sides, a corner snap ring is formed at the joint of the flexible corners of every three adjacent groups of honeycomb plates, and a flexible corner connecting piece is snapped at the top of the corner snap ring. The secondary barrier liner for the natural gas bin, which is designed by the invention, has the advantages that the plate surface is designed into a honeycomb structure, the integral strength and the pressure resistance of the secondary barrier liner can be effectively improved, in addition, the flexible connection mode among the honeycomb plates has better flexibility compared with the traditional rigid connection mode, and the possibility of damage caused by the deformation of the secondary barrier liner under the pressure can be reduced.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a natural gas honeycomb steel plate and a connecting piece device.
Background
The liquefied natural gas ship is called an LNG ship for short. Refers to a "ship" dedicated to the transportation of liquefied natural gas. The earliest LNG vessel was the 5100 square meter "methane bell" number in the united states in 1958, which was rebuilt with an ordinary old oil tanker. The structure form of the liquid cargo tank can be divided into an independent storage tank type and a membrane type. The former is that the storage tank with column, pot and sphere shape is put in the ship; the latter adopts double-shell structure, and the internal shell is exactly the bearing shell of cargo tank, and compared with stand alone type, the advantage of diaphragm type is that the volume utilization is high, and structural weight is light, therefore newly-built liquefied natural gas ship, especially large-scale adopts the diaphragm type structure more, in order to improve the intensity, leakproofness and the crushing resistance in natural gas storehouse, often will set up the barrier inner bag at the inner chamber in natural gas storehouse.
However, the shielding inner container of the existing natural gas bin has the following problems in the using process: (1) the structure of the shielding inner container is relatively fixed, the connection positions of all parts of the shielding inner container are in a rigid connection mode, when the internal pressure of the natural gas bin is relatively high, the natural gas bin is easily damaged under the action of the pressure, and the pressure resistance is poor; (2) the existing shielding inner container has a complex structure and higher manufacturing cost. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
Disclosure of Invention
The invention aims to provide a natural gas honeycomb steel plate and a connecting piece device, which solve the problems in the background technology and meet the actual use requirements.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a natural gas honeycomb steel sheet and connecting piece device, includes the natural gas storehouse, be provided with secondary protective screen inner bag on the inner wall in natural gas storehouse, secondary protective screen inner bag is formed by the concatenation of a plurality of groups sub-screen board, the face of sub-screen board is formed by the concatenation of a plurality of groups honeycomb panel, the honeycomb panel comprises six groups of curb plates, is provided with flexible corner between adjacent two sets of curb plates, the both ends of flexible corner respectively with the curb plate fixed connection of both sides, the flexible corner junction of every adjacent three groups honeycomb panels is formed with the corner snap ring, the top snap ring of corner snap ring has flexible corner connecting piece, flexible corner connecting piece passes through the edge sealing connection of welded mode and corner snap ring.
As a preferred embodiment of the present invention, the honeycomb plate is formed into a regular hexagonal structure, and a groove is formed in the middle of the honeycomb plate, and the bottom of the groove is in a sealing structure.
In a preferred embodiment of the present invention, the side plates are all disposed in an inclined manner, and the inner walls of the side plates are formed with slopes, and the joints of the side plates of every two adjacent three sets of honeycomb plates are welded to form a sealing structure.
As a preferred embodiment of the present invention, the flexible corner includes a first side edge and a second side edge integrally formed with the first side edge, and a joint of the first side edge and the second side edge forms a splicing included angle.
In a preferred embodiment of the present invention, the flexible corner connector is formed in a triangular prism structure, and the flexible corner connector fits with an inner space of the corner snap ring.
In a preferred embodiment of the present invention, the bottom of the flexible corner connector is convex and the top is smooth, and the bottom of the flexible corner connector is in contact with the bottom of the inner cavity of the corner snap ring.
In a preferred embodiment of the present invention, the flexible corner connectors are made of austenitic steel.
Compared with the prior art, the invention has the following beneficial effects:
1. the secondary protective screen inner bag that is used for natural gas storehouse of this scheme design is the honeycomb structure with the design of face, and the bulk strength and the compressive capacity of secondary protective screen inner bag can effectual improvement to flexible connected mode has better pliability between the honeycomb panel for traditional rigid connection mode, can reduce secondary protective screen inner bag and deform the possibility that appears damaging under pressure.
2. The secondary barrier liner has good sealing performance and low manufacturing cost, and can reduce the manufacturing cost of the natural gas bin to a great extent.
Drawings
FIG. 1 is a cross-sectional view of a natural gas silo according to the present invention;
FIG. 2 is a diagram of a connection structure of the honeycomb panel according to the present invention;
FIG. 3 is a plan view of the honeycomb panel of the present invention;
FIG. 4 is a view of the corner snap ring of the present invention;
FIG. 5 is a view of the flexible corner connector of the present invention;
fig. 6 is a sectional view of the position B of the present invention.
In the figure, 1-a natural gas bin, 2-a secondary barrier liner, 3-a sub-barrier plate, 4-a honeycomb plate, 5-a side plate, 6-a flexible corner, 7-a corner clamp ring, 8-a flexible corner connecting piece, 9-a groove, 10-a first side edge, 11-a second side edge and 12-a splicing included angle.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a natural gas honeycomb steel plate and connecting piece device comprises a natural gas bin 1, wherein a secondary screen liner 2 is arranged on the inner wall of the natural gas bin 1, the secondary screen liner 2 is formed by splicing a plurality of groups of sub-screen plates 3, the plate surface of each sub-screen plate 3 is formed by splicing a plurality of groups of honeycomb plates 4, each honeycomb plate 4 is formed by six groups of side plates 5, a flexible corner 6 is arranged between two adjacent groups of side plates 5, two ends of each flexible corner 6 are fixedly connected with the side plates 5 on two sides respectively, a corner snap ring 7 is formed at the joint of the flexible corners 6 of each adjacent three groups of honeycomb plates 4, a flexible corner connecting piece 8 is snapped at the top of each corner snap ring 7, the flexible corner connecting piece 8 is hermetically connected with the edge of the corner snap ring 7 in a welding mode, the periphery of each sub-screen plate 3 is designed to be an outer frame, a plurality of groups of mutually connected honeycomb plates 4 are flatly paved in the outer frame, and a corner snap ring 7 is formed, and the flexible corner connecting piece 8 is buckled on the corner clamping ring 7, after the buckling is finished, the outer edge of the flexible corner connecting piece 8 and the periphery of the corner clamping ring 7 are welded, so that the inner cellular board 4 forms a whole, in addition, the connection part of the outer cellular board 4 and the outer frame is fixedly connected in a welding mode, the welding of the whole sub-screen board 3 is finished, eight groups of sub-screen boards 3 are connected through an octagonal structure, and the purpose of shielding the natural gas in the whole is achieved.
Further improved, as shown in fig. 2: the honeycomb panel 4 machine-shaping is formed with recess 9 for regular hexagon structure and middle part, and the bottom of recess 9 is seal structure, to honeycomb panel 4 design for the compressive capacity that regular hexagon structure can effectual improvement honeycomb panel 4 to can effectually improve the slight of connecting between the honeycomb panel 4, thereby improve the compressive resistance of whole secondary protective screen inner bag 2, adopt the design of leakproofness to recess 9 in addition can improve the leakproofness of 1 inside in natural gas storehouse.
Further improved, as shown in fig. 2: the curb plate 5 all is the slope form setting and the inner wall is formed with domaticly, and 5 junctions of curb plate of every adjacent three groups of honeycomb panels 4 become seal structure through welding, and such design can improve the sealed effect of connecting between the honeycomb panel 4.
Further improved, as shown in fig. 4: the flexible corner 6 comprises a first side edge 10 and a second side edge 11 integrally formed with the first side edge 10, a splicing included angle 12 is formed at the joint of the first side edge 10 and the second side edge 11, the flexible corner 6 is designed to be of a two-end structure, the flexible corner 6 is convenient to splice with each other, and the formed polygonal corner structure can improve the toughness and strength of the joint.
Further improved, as shown in fig. 5: the flexible angle connecting piece 8 is processed and formed into a prism structure, the flexible angle connecting piece 8 is matched with the inner space of the corner clamping ring 7, and welding sealing treatment is conveniently carried out.
Further improved, as shown in fig. 5: the bottom of flexible angle connecting piece 8 is convex structure and the top is level and smooth column structure, and the bottom of flexible angle connecting piece 8 contacts with the inner chamber bottom of corner snap ring 7, and flexible angle connecting piece 8 adopts the mode of convexity can improve the degree of agreeing with of flexible angle connecting piece 8 and corner snap ring 7, reaches better sealed effect.
Specifically, the flexible corner connecting piece 8 is made of an austenite rigid material, the flexibility of the flexible corner connecting piece 8 can be improved by the austenite rigid material, self-adaptive adjustment can be conveniently carried out under the condition that the secondary barrier liner is under pressure, and the pressure resistance of the device is improved.
When in use: the periphery of the sub-screen plates 3 is designed into an outer frame, a plurality of groups of mutually connected honeycomb plates 4 are flatly laid in the outer frame, corner snap rings 7 are formed at the connecting positions of flexible corners 6 among the honeycomb plates 4, flexible corner connecting pieces 8 are buckled on the corner snap rings 7, after buckling is completed, the outer edges of the flexible corner connecting pieces 8 and the periphery of the corner snap rings 7 are welded, so that the honeycomb plates 4 in the inner portion form a whole, in addition, the connecting positions of the honeycomb plates 4 positioned on the outer side and the outer frame are fixedly connected in a welding mode, so that the whole sub-screen plates 3 are welded, and an octagonal structure is completed among eight groups of sub-screen plates 3 to achieve the purpose of comprehensively shielding natural gas in the inner portion.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (7)
1. A natural gas honeycomb steel plate and connector device, comprising: natural gas storehouse (1), its characterized in that: be provided with secondary protective screen inner bag (2) on the inner wall in natural gas storehouse (1), secondary protective screen inner bag (2) are formed by the concatenation of a plurality of groups of sub-screen board (3), the face of sub-screen board (3) is formed by the concatenation of a plurality of groups honeycomb panel (4), honeycomb panel (4) comprise six groups of curb plate (5), are provided with flexible corner (6) between adjacent two sets of curb plate (5), the both ends of flexible corner (6) respectively with curb plate (5) fixed connection of both sides, flexible corner (6) junction of every adjacent three groups of honeycomb panel (4) is formed with corner snap ring (7), the top snap ring of corner snap ring (7) has flexible angle connecting piece (8), edge sealing connection through welded mode and snap ring corner (7) is passed through in flexible angle connecting piece (8).
2. The natural gas honeycomb steel plate and connector device according to claim 1, wherein: the honeycomb panel (4) machine-shaping is regular hexagon structure and middle part is formed with recess (9), the bottom of recess (9) is seal structure.
3. The natural gas honeycomb steel plate and connector device according to claim 2, wherein: the side plates (5) are all arranged in an inclined mode, the inner walls of the side plates are formed with slope surfaces, and the joints of the side plates (5) of every two adjacent groups of honeycomb plates (4) are welded into sealing structures.
4. The natural gas honeycomb steel plate and connector device according to claim 1, wherein: flexible corner (6) include first side (10) and with first side (10) integrated into one piece's second side (11), first side (10) are formed with concatenation contained angle (12) with the junction of second side (11).
5. The natural gas honeycomb steel plate and connector device according to claim 4, wherein: the flexible corner connecting piece (8) is processed and formed into a triangular prism structure, and the flexible corner connecting piece (8) is matched with the inner space of the corner clamping ring (7).
6. The natural gas honeycomb steel plate and connector device of claim 5, wherein: the bottom of flexible angle connecting piece (8) is convex structure and the top is level and smooth column structure, the bottom of flexible angle connecting piece (8) contacts with the inner chamber bottom of corner snap ring (7).
7. The natural gas honeycomb steel plate and connector device of claim 6, wherein: the flexible corner connecting piece (8) is made of austenite rigid material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010985292.4A CN112283218A (en) | 2020-09-18 | 2020-09-18 | Honeycomb steel plate for natural gas and connecting piece device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010985292.4A CN112283218A (en) | 2020-09-18 | 2020-09-18 | Honeycomb steel plate for natural gas and connecting piece device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112283218A true CN112283218A (en) | 2021-01-29 |
Family
ID=74420574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010985292.4A Pending CN112283218A (en) | 2020-09-18 | 2020-09-18 | Honeycomb steel plate for natural gas and connecting piece device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112283218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057900A1 (en) * | 2020-09-18 | 2022-03-24 | Shanghai Bluesoul Environmental Technology Co., Ltd. | Arrangment for containing liquid gas in a hull compartement of a marine construction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5021008B1 (en) * | 1970-05-21 | 1975-07-19 | ||
| CN102015433A (en) * | 2008-04-21 | 2011-04-13 | 三星重工业株式会社 | Orthotropic elastic metal membrane |
| KR20120120800A (en) * | 2011-04-25 | 2012-11-02 | 삼성중공업 주식회사 | Insulation structure of lng cargo tank and ship having the same |
| CN108086790A (en) * | 2016-11-23 | 2018-05-29 | Mrm香港有限公司 | Fastener assembly, grid panel and barrier system |
| CN110102410A (en) * | 2019-03-04 | 2019-08-09 | 江苏保丽洁环境科技股份有限公司 | Spliced honeycomb dust-collecting mechanism in electrostatic purification device |
| CN211281435U (en) * | 2019-12-03 | 2020-08-18 | 向杰 | Parts of honeycomb type array multi-rotor-wing rack |
-
2020
- 2020-09-18 CN CN202010985292.4A patent/CN112283218A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5021008B1 (en) * | 1970-05-21 | 1975-07-19 | ||
| CN102015433A (en) * | 2008-04-21 | 2011-04-13 | 三星重工业株式会社 | Orthotropic elastic metal membrane |
| KR20120120800A (en) * | 2011-04-25 | 2012-11-02 | 삼성중공업 주식회사 | Insulation structure of lng cargo tank and ship having the same |
| CN108086790A (en) * | 2016-11-23 | 2018-05-29 | Mrm香港有限公司 | Fastener assembly, grid panel and barrier system |
| CN110102410A (en) * | 2019-03-04 | 2019-08-09 | 江苏保丽洁环境科技股份有限公司 | Spliced honeycomb dust-collecting mechanism in electrostatic purification device |
| CN211281435U (en) * | 2019-12-03 | 2020-08-18 | 向杰 | Parts of honeycomb type array multi-rotor-wing rack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057900A1 (en) * | 2020-09-18 | 2022-03-24 | Shanghai Bluesoul Environmental Technology Co., Ltd. | Arrangment for containing liquid gas in a hull compartement of a marine construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102595977B1 (en) | Liquid dome box of membrane type liquefied natural gas cargo insulation system and sealing method thereof | |
| CN116498885B (en) | Corrugated plate and storage container with smooth top surface and draw beads | |
| RU2641186C2 (en) | Airtight and isothermal tank containing metal membrane with corrugated orthogonal folds | |
| CN202944529U (en) | Heat-insulation impermeable cabin, and ship and transportation system provided with the same | |
| JP2014141308A (en) | Sealed and insulating vessel comprising support foot | |
| CN112283218A (en) | Honeycomb steel plate for natural gas and connecting piece device | |
| KR20120136319A (en) | Pump tower base support structure of lng storage tank | |
| CN116221613A (en) | Shielding plate and container for storing liquefied gas | |
| CN115992929A (en) | Storage container for liquefied gas | |
| KR20200144178A (en) | Insulation System of Liquefied Natural Gas Storage Tank | |
| KR20100090416A (en) | Corrugation membrane reinforcement structure of lng cargo | |
| US3441164A (en) | Cryogenic storage tanks | |
| KR20120136320A (en) | Connection structure between base support structure and insulation barrier of storage tank | |
| CN116605357B (en) | Component for inner wall of liquefied gas storage cabin | |
| CN117231904B (en) | Metal film plate for liquefied gas warehouse | |
| KR20120136318A (en) | Pump tower base support structure of lng storage tank | |
| CN116123436B (en) | Double-arch straight cornea and double-arch multi-slope peak right angle metal extension film | |
| KR20120120800A (en) | Insulation structure of lng cargo tank and ship having the same | |
| CN115892351B (en) | MARKIII type containment system's main shielding structure, cargo tank and LNG ship | |
| CN111924048B (en) | Device for containing liquid gas in cabin of marine structure | |
| CN201872900U (en) | Ship with steel-aluminium composite structure | |
| CN111453198B (en) | Gasket and packing box for display panel | |
| KR102657770B1 (en) | Insulation System of LNG Storage Tanks where Upper and Lower Insulation Walls are Cross-placed | |
| CN116772090B (en) | Thin film metal sheet with arch-shaped bulge area | |
| CN211751967U (en) | Nonmetal barrier explosion suppression ball |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210129 |
|
| RJ01 | Rejection of invention patent application after publication |