CN108826014A - A kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure - Google Patents
A kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure Download PDFInfo
- Publication number
- CN108826014A CN108826014A CN201810950336.2A CN201810950336A CN108826014A CN 108826014 A CN108826014 A CN 108826014A CN 201810950336 A CN201810950336 A CN 201810950336A CN 108826014 A CN108826014 A CN 108826014A
- Authority
- CN
- China
- Prior art keywords
- square tube
- liquefied natural
- storage tank
- natural gas
- module
- 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
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 22
- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 8
- 239000003209 petroleum derivative Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012774 insulation material Substances 0.000 abstract description 4
- 235000019362 perlite Nutrition 0.000 abstract description 3
- 239000010451 perlite Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/001—Thermal insulation specially adapted for cryogenic vessels
Abstract
The present invention relates to liquefied natural gas/oil gas storage container equipment technical field, a kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure are related generally to, including：The main body of several modules, module is all welded type cellular board ceiling structure firm in structure, and includes the frame structure for each module to be connected as one.In technical solution of the present invention, module and frame structure can the prefabricated completions in factory, entire all welded type honeycomb plate furred ceiling carries out assembly in scene when in use, effectively reduce the workload at scene, it overcomes that site operation environment is complicated and bring product quality problem, while reducing the labor intensity at scene；All welded type honeycomb plate ceiling structure has an excellent cold insulation, good heat-insulation effect, meanwhile, structural strength is high and light-weight, can the cold insulation material of such as perlite low-thermal conductivity to portion placed thereon carry out reliable and stable support.
Description
Technical field
The present invention relates to liquefied natural gas/oil gas storage container equipment technical field more particularly to a kind of liquefaction are natural
Gas or petroleum gas storage tank inner canister ceiling structure.
Background technique
Liquefied natural gas/oil gas be conventional gas is cooled under normal pressure by low-temperature liquefaction technique -160 DEG C with
After descending and isolating the pollution elements such as sulphur, phosphorus, acquisition using methane as the clean energy resource of chief component.Cold service makes liquid
Change natural gas/oil gas storage state to vary widely, volume compression to 1/600 or so, the nothing that density is about 480kg/m3
Color, tasteless and non-corrosive liquid.In liquefied natural gas/oil gas industrial chain, secure storage is one of crucial
Link.Currently, conventional liquefied natural gas/petroleum gas storage tank main structure is made of inner and outer tank two parts, inner canister and outer
There are circumferential space between tank, the cold insulation material of in circumferential space and interior tank top filling low-thermal conductivity, control liquefaction day
Right gas/oil gas material and external environment exchange rate.The tank structure of inner canister uses and is both able to satisfy structural mechanics at present
Performance requirement, and meet the X7Ni9 plate that welding technique requires in construction and installation, the plate price is higher；And inner canister is hung
Roof construction, this field there is no one kind always can either meet mechanical property and cold insulation requirement, and can reduce the furred ceiling of cost
Structure.
Presence in view of the above problems, the present inventor are based on being engaged in such product engineering application practical experience abundant for many years
And professional knowledge, and cooperate the utilization of scientific principle, be actively subject to research and innovation, to found a kind of liquefied natural gas or oil gas storage
Tank inner canister ceiling structure makes it with more practicability.
Summary of the invention
It is a primary object of the present invention to provide a kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure, with logical
It crosses lower cost and realizes that cold insulation effect is good and the reliable ceiling structure of mechanical property.
The object of the invention to solve the technical problems adopts the following technical solutions to realize：A kind of liquefied natural gas
Or petroleum gas storage tank inner canister ceiling structure, including：Several modules, the module are all welded type cellular board furred ceiling knot firm in structure
Structure, and the covering for being brazed to the honeycomb top and the bottom comprehensively；
It further include the frame structure for each module to be connected as one.
Further, the covering is one of rectangle, triangle or isosceles trapezoid.
Further, when the covering is rectangle, the frame structure includes the sky being embedded between two coverings
Heart square tube, the length direction of the hollow square tube are parallel to the rectangle and are arranged on one side, the hollow square tube between two modules
Pass through in the longitudinal direction while plugging and realize connection into the intracorporal link block of the two hollow cavity, wherein the link block passes through
Connector is fixed with the hollow square tube；
The module is connected in the side perpendicular to the hollow square tube length upwardly through connection structure, wherein the connection knot
Structure is realized by connector with the adjacent two hollow square tube connect respectively.
Further, the module is provided with edge sealing structure on the edge perpendicular to the hollow square tube length, described
Edge sealing structure at least side exceeds the covering, and the part that exceeds of adjacent two module is bolted.
Further, the connection structure is I-shaped structure, is used between the I-shaped structure two sides disposed in parallel
It is coated in the part that the module is provided with hollow square tube.
Further, the hollow square tube is set to the marginal portion of the module.
Further, the connector includes screw rod and the nut for being individually fixed in the screw rod both ends, wherein described
Screw rod runs through the connection structure and hollow square tube, and is realized and fixed by upper and lower two nuts.
It further, is along the hollow square tube length direction setting for the hole location that the screw rod is worn in the module
"-" type hole location.
Further, furred ceiling aluminium sheet edge is provided with hook arrangement, and the hook arrangement covers the week of the furred ceiling aluminium sheet
To edge, for furred ceiling building aluminium sheet to be hung on the interior tank top.
Further, the hook arrangement is connect by connector with the module.
Further, the hook arrangement is realized by the cover edges bending.
By above-mentioned technical proposal, the present invention at least has following advantages：
Module and frame structure can the prefabricated completion in factory, entire all welded type cellular board ceiling structure when in use scene into
Row is assembled, effectively reduces the workload at scene, overcomes that site operation environment is complicated and bring product quality is asked
Topic, while reducing the labor intensity at scene；All welded type cellular board ceiling structure have excellent cold insulation, good heat-insulation effect,
Meanwhile structural strength is high and light-weight, can such as perlite low-thermal conductivity to portion placed thereon cold insulation material into
The reliable and stable support of row.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 ~ 3 are that three kinds of modules splice form schematic diagram；
Fig. 4 is the connection schematic diagram of module and hollow square tube；
Fig. 5 is the connection schematic diagram of two hollow square tubes；
Fig. 6 is the perspective view of the explosion of hollow square tube and link block；
Fig. 7 is a kind of connected mode schematic diagram of two modules；
Fig. 8 is two modules to be completed and edge sealing treated structural schematic diagram in connection；
Fig. 9 is a kind of structural schematic diagram of hook arrangement.
Mark meaning in figure：Module 1, honeycomb 11, covering 12, frame structure 2, hollow square tube 21, link block 22, spiral shell
Bar 31, nut 32, connection structure 4, hook arrangement 5, edge sealing structure 6.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, detailed description of specific embodiments of the present invention as after.
The embodiment of the present invention is write in a progressive manner.
A kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure, including：Several modules 1, module 1 include honeycomb
Structure 11, and the covering 12 for being brazed to 11 top and the bottom of honeycomb comprehensively；It further include for connecting each module 1
The frame structure 2 being integrated.In the present embodiment, module 1 and frame structure 2 can the prefabricated completion in factory, entire furred ceiling aluminium
Scene carries out assembled plate when in use, effectively reduces the workload at scene, overcome site operation environment it is complicated and
Bring product quality problem, while reducing the labor intensity at scene；The aluminium sheet structure of honeycomb inner core shape has excellent guarantor
Cold property, good heat-insulation effect, meanwhile, structural strength is high and light-weight, can pass to such as perlite low-heat in portion placed thereon
The cold insulation material of conductance carries out reliable and stable support.
As the preferred of above-described embodiment, covering 12 is one of rectangle, triangle or isosceles trapezoid.Pass through above-mentioned side
Formula may make the assembly docking at scene simpler easy, to reduce site operation difficulty, specific connecting method can be distinguished
As shown in Figure 1,2 and 3.
As the preferred of above-described embodiment, when setting rectangle for covering 12, frame structure 2 includes being embedded in two coverings 12
Between hollow square tube 21, the length direction of hollow square tube 21 is parallel to rectangle and is arranged on one side, the hollow square tube between two modules 1
21 pass through in the longitudinal direction while plugging into the intracorporal realization of link block 22 connection of the two hollow cavity, wherein link block 22 is logical
It crosses connector and hollow square tube 21 is fixed, wherein in order to guarantee the stability of connection, any hollow square tube 21 and link block
22 connection passes through two connectors and realizes；Module 1 is in the side perpendicular to hollow 2 length of square tube upwardly through connection structure 4
Connection, wherein connection structure 4 is realized by connector with adjacent two hollow square tube 21 connect respectively.It is hollow as shown in Fig. 4 ~ 6
The setting of square tube 21, so that entire module 1 obtains the reinforcement of structure while realizing connection, respectively as rectangle transverse and longitudinal
Connecting component, the complexity of entire frame structure 2 is reduced, to reduce cost；Two modules 1 are in hollow 1 length of square tube
Direction can be realized seamless spliced, and surface is smooth and smooth, and multiple modules 1 form the structure of a column strip after direction connection,
Wherein, the module 1 in two array structures can shift to install, to improve integral strength；Two modules 1 are long perpendicular to hollow square tube 1
Docking on degree direction can be realized by connector.Wherein, in the present embodiment, hollow square tube 21 can be aluminum profile, can cover
Skin 12 and honeycomb 11 are completed to weld with covering 12 simultaneously during being brazed.
As the preferred of above-described embodiment, module 1 is provided with envelope in the edge perpendicular to hollow 21 length of square tube
Side structure 6, at least side of edge sealing structure 6 exceeds covering 12, and the part that exceeds of adjacent two module 1 is bolted, above-mentioned
Connection type in addition to making the connection of two modules 1 more stable, while can be sealed the gap between two modules 1, equally
As shown in figure 8, overall tightness in order to guarantee module 1, can also be used the side of edge sealing at the edge of hollow 21 side of square tube
Formula is sealed.
As the preferred of above-described embodiment, connection structure 4 is I-shaped structure, I-shaped structure two sides disposed in parallel it
Between coated for part that module 1 is provided with hollow square tube 21.As shown in fig. 7, after cladding, by connector by I-shaped
Type structure is fixedly connected with hollow square tube 21, wherein and covering 12 is pressed between I-shaped structure and hollow square tube 21,
The length adaptability selection of entire I-shaped structure, can connect the column strip structure formed after multiple modules 1 connect simultaneously,
Setting can also be interrupted, but the gap section among intermittent two I-shaped structure needs to seal by sealing structure, thus
Realize the integrality of entire furred ceiling aluminium sheet.In the present embodiment, it is necessary to it is emphasised that the form of remaining connection structure 4, such as vertical
The structures such as the intracorporal connecting tube of hollow 21 chamber of square tube are penetrated, it is also within the scope of the present invention, but this connection side
Formula it is opposite in such a way that I-shaped structure coats 1 edge of module, intensity is weaker, by this implementation in the present embodiment
Counting mode in example, it is ensured that the bonding strength of covering 12 and hollow square tube 21.
As the preferred of above-described embodiment, hollow square tube 21 is set to the marginal portion of module 1.It can be seen equally in Fig. 7
Out, I-shaped structure two planes setting area disposed in parallel may make to minimize through the above way, i.e., disposed in parallel two
The extending direction of plane is shorter, to reduce the weight of entire connection structure 4, reduces entire furred ceiling cellular board plate to hoisting structure
Caused by bear.
As preferred in above-described embodiment, connector includes screw rod 31 and the nut for being individually fixed in 31 both ends of screw rod
32, wherein screw rod 31 runs through connection structure 4 and module 1, and is realized and fixed by upper and lower two nut 32.
As the preferred of above-described embodiment, the hole location worn in module 1 for screw rod 31 is along hollow 21 length direction of square tube
The "-" type hole location of setting.As shown in Figure 6, the setting of "-" type hole location may make that the gap between two modules 1 can be according to reality
The case where adjust, guarantee the compactness that is bonded between two modules 1.
As the preferred of above-described embodiment, furred ceiling cellular board edges of boards edge is provided with hook arrangement 5, and the covering of hook arrangement 5 is hung
The circumferential edge for pushing up cellular board plate, for furred ceiling cellular board plate to be hung on interior tank top.As shown in figure 9, hook arrangement 5 is set
It sets, may make furred ceiling cellular board plate to be quickly installed on interior tank top, while playing the role of sealing.Specifically, hook arrangement 5
It is connect by connector with hollow square tube 21；Can also integrally connected, pass through 12 edge bending of covering realize.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above are modified or are modified
For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention
Any simple modification, equivalent change and modification to the above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure, which is characterized in that including：Several modules（1）, described
Module（1）Including honeycomb（11）, and for the honeycomb（11）The covering that top and the bottom are brazed comprehensively
（12）；
It further include being used for each module（1）The frame structure being connected as one（2）.
2. liquefied natural gas according to claim 1 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that the illiteracy
Skin（12）For one of rectangle, triangle or isosceles trapezoid.
3. liquefied natural gas according to claim 2 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that when described
Covering（12）When for rectangle, the frame structure（2）Including being embedded in two coverings（12）Between hollow square tube（21）, institute
State hollow square tube（21）Length direction be parallel to the rectangle and be arranged on one side, two modules（1）Between hollow square tube
（21）Pass through in the longitudinal direction while plugging into the two intracorporal link block of hollow cavity（22）Realize connection, wherein the company
Connect block（22）Pass through connector and the hollow square tube（21）It is fixed；
The module（1）Perpendicular to the hollow square tube（21）The side of length is upwardly through connection structure（4）Connection, wherein
The connection structure（4）Respectively with the adjacent two hollow square tube（21）It is realized and is connected by connector.
4. liquefied natural gas according to claim 3 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that the mould
Block（1）Perpendicular to the hollow square tube（21）Edge sealing structure is provided on the edge of length（6）, the edge sealing structure（6）Extremely
Few side exceeds the covering（12）, and adjacent two module（1）Beyond part be bolted.
5. liquefied natural gas according to claim 3 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that the company
Binding structure（4）For I-shaped structure, for the module between the I-shaped structure two sides disposed in parallel（1）It is provided with
Hollow square tube（21）Part coated.
6. liquefied natural gas according to claim 5 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that the sky
Heart square tube（21）It is set to the module（1）Marginal portion.
7. liquefied natural gas according to claim 3 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that the company
Fitting includes screw rod（31）And it is individually fixed in the screw rod（31）The nut at both ends（32）, wherein the screw rod（31）It passes through
Wear the connection structure（4）With hollow square tube（21）, and pass through upper and lower two nuts（32）It realizes and fixes.
8. liquefied natural gas according to claim 7 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that the mould
Block（1）It is upper to supply the screw rod（31）The hole location worn is along the hollow square tube（21）The "-" type hole location of length direction setting.
9. liquefied natural gas according to claim 1 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that its edge
It is provided with hook arrangement（5）, the hook arrangement（5）The circumferential edge of the furred ceiling aluminium sheet is covered, is used for furred ceiling building aluminium sheet
It hang on the interior tank top.
10. liquefied natural gas according to claim 9 or petroleum gas storage tank inner canister ceiling structure, which is characterized in that described
Hook arrangement（5）Pass through connector and the module（1）Connection passes through the covering（12）Edge bending is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950336.2A CN108826014A (en) | 2018-08-20 | 2018-08-20 | A kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950336.2A CN108826014A (en) | 2018-08-20 | 2018-08-20 | A kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108826014A true CN108826014A (en) | 2018-11-16 |
Family
ID=64151170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810950336.2A Pending CN108826014A (en) | 2018-08-20 | 2018-08-20 | A kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108826014A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1322245A (en) * | 1962-02-13 | 1963-03-29 | Suspended ceiling, for fitting out various premises | |
| CN201865199U (en) * | 2010-11-25 | 2011-06-15 | 上海庆华蜂巢建材有限公司 | Installation node of honeycomb board structure grating |
| CN103266710A (en) * | 2013-05-22 | 2013-08-28 | 昆山坤林彩钢板活动房有限公司 | Connecting beam for color plate suspended ceiling |
| CN204185990U (en) * | 2014-10-30 | 2015-03-04 | 广州康普顿至高建材有限公司 | A kind of ventilation and penetrating light furred ceiling |
| CN104832784A (en) * | 2015-05-05 | 2015-08-12 | 中国寰球工程公司 | Suspended ceiling structure of liquefied natural gas storage tank |
| CN204693029U (en) * | 2015-05-15 | 2015-10-07 | 华陆工程科技有限责任公司 | With the low-temperature storage tank residual oil in tank of light-duty adiabatic furred ceiling |
| CN105464275A (en) * | 2014-09-03 | 2016-04-06 | 上海西蒙幕墙吊顶板有限公司 | Novel honeycomb board ceiling mounting structure |
| CN108382747A (en) * | 2018-04-26 | 2018-08-10 | 湖南思创节能技术有限公司 | One kind connecing floating plate in liquid honeycomb fashion entirely |
| CN208703551U (en) * | 2018-08-20 | 2019-04-05 | 富威蜂窝科技（常州）有限公司 | A kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure |
-
2018
- 2018-08-20 CN CN201810950336.2A patent/CN108826014A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1322245A (en) * | 1962-02-13 | 1963-03-29 | Suspended ceiling, for fitting out various premises | |
| CN201865199U (en) * | 2010-11-25 | 2011-06-15 | 上海庆华蜂巢建材有限公司 | Installation node of honeycomb board structure grating |
| CN103266710A (en) * | 2013-05-22 | 2013-08-28 | 昆山坤林彩钢板活动房有限公司 | Connecting beam for color plate suspended ceiling |
| CN105464275A (en) * | 2014-09-03 | 2016-04-06 | 上海西蒙幕墙吊顶板有限公司 | Novel honeycomb board ceiling mounting structure |
| CN204185990U (en) * | 2014-10-30 | 2015-03-04 | 广州康普顿至高建材有限公司 | A kind of ventilation and penetrating light furred ceiling |
| CN104832784A (en) * | 2015-05-05 | 2015-08-12 | 中国寰球工程公司 | Suspended ceiling structure of liquefied natural gas storage tank |
| CN204693029U (en) * | 2015-05-15 | 2015-10-07 | 华陆工程科技有限责任公司 | With the low-temperature storage tank residual oil in tank of light-duty adiabatic furred ceiling |
| CN108382747A (en) * | 2018-04-26 | 2018-08-10 | 湖南思创节能技术有限公司 | One kind connecing floating plate in liquid honeycomb fashion entirely |
| CN208703551U (en) * | 2018-08-20 | 2019-04-05 | 富威蜂窝科技（常州）有限公司 | A kind of liquefied natural gas or petroleum gas storage tank inner canister ceiling structure |
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Effective date of registration: 20190509 Address after: 213000 Zhaiqiao Industrial Concentration Zone, Qianhuang Town, Wujin District, Changzhou City, Jiangsu Province Applicant after: JIANGSU LONGHE LIGHT MATERIAL CO., LTD. Applicant after: Shangyuan Petrochemical Equipment (Changzhou) Co., Ltd. Address before: 213017 No. 116 Xintang North Road, Tianning District, Changzhou City, Jiangsu Province Applicant before: Fu Wei cellular technology (Changzhou) Co., Ltd. Applicant before: JIANGSU LONGHE LIGHT MATERIAL CO., LTD. |