CN104401604A - Cement bin and manufacturing process thereof - Google Patents
Cement bin and manufacturing process thereof Download PDFInfo
- Publication number
- CN104401604A CN104401604A CN201410578274.9A CN201410578274A CN104401604A CN 104401604 A CN104401604 A CN 104401604A CN 201410578274 A CN201410578274 A CN 201410578274A CN 104401604 A CN104401604 A CN 104401604A
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- China
- Prior art keywords
- concatenation module
- cone
- middle cylinder
- conic tube
- upper cone
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/26—Hoppers, i.e. containers having funnel-shaped discharge sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/08—Interconnections of wall parts; Sealing means therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a cement bin and a production process thereof. The cement bin sequentially comprises an upper cone, a middle barrel and a lower cone; the upper cone is formed by assembling a plurality of upper cone splicing modules; the middle barrel is formed by assembling a plurality of middle barrel splicing modules; the lower cone comprises a tail end cone and at least one cone barrel; the cone barrel comprises a plurality of cone barrel splicing modules; a plurality of cone barrel splicing modules are assembled to form the cone barrel; both left and right sides of each cone barrel splicing module body are respectively provided with cone barrel strip flanges which are integrally formed by a hydraulic press; each two adjacent cone barrel strip flanges are installed together; both upper and lower ends of each cone barrel splicing module body are welded with cone barrel arc flanges fixedly connected with the upper end of the middle barrel. According to the invention, the production period is greatly shortened, cost is greatly reduced, all bin bodies are consistent in size, the cement bin can be produced in batches, standardization is implemented, and the cement bin is convenient to transport and can be rapidly assembled in field.
Description
Technical field
The present invention relates to mechanical field, refer to a kind of cement bin and manufacturing process thereof especially.
Background technology
At present, cement bin capacity conventional is on the market general all about hundreds of ton, volume is larger, segmentation is needed to weld, be roughly divided into upper cone, middle cylinder and lower cone, three is formed by piece assembling, prior art is all generally surrounding flange being directly welded on silo piece, this connection mode needs a large amount of welders and solder, the very large and work under bad environment of the labour intensity of welder, and cause ambient contamination and the solder wasting of resources, in addition, owing to being human weld, inevitably deviation is there will be between silo piece, cause gap excessive after overall package and easily seep water, weld seam is more, whole feed bin occurs crooked, the feed bin production cycle of this mode is long, cost is high.Can be more outstanding if directly weld its above-mentioned shortcoming between the silo piece of upper cone, middle cylinder and lower cone.
Summary of the invention
The present invention proposes a kind of cement bin and manufacturing process thereof, and the production cycle shortens greatly, and cost reduces greatly, and all warehouses are in the same size, can be mass, and achieve normalisation, convenient transportation, and can on-the-spot rapid-assembling.
A kind of technical scheme of the present invention is: cement bin, comprises the upper cone, middle cylinder and the lower cone that are connected by fastener from top to bottom successively, described upper cone comprises the identical upper cone concatenation module of several sizes, and some described upper cone concatenation module assemblings form described upper cone, described middle cylinder comprises the identical middle cylinder concatenation module of several sizes, and some described middle cylinder concatenation module assemblings form described middle cylinder, described lower cone comprises an end cone and at least one conic tube, described conic tube and described end cone are installed together by fastener, described conic tube comprises some conic tube concatenation module, some described conic tube concatenation module assemblings form described conic tube, conic tube concatenation module described in each includes conic tube concatenation module body, the left and right sides of described conic tube concatenation module body is respectively equipped with by the one-body molded conic tube bar shaped flange be made of hydraulic compressor, the conic tube bar shaped flange of conic tube concatenation module described in adjacent two is installed together by fastener, the two ends up and down of conic tube concatenation module body described in each are all welded with the conic tube arc flange for being fixed together with described middle cylinder upper end.
Preferably, upper cone concatenation module described in each includes upper cone concatenation module body, the left and right sides of described upper cone concatenation module body is respectively equipped with by the one-body molded upper cone bar shaped flange be made of hydraulic compressor, the upper cone bar shaped flange of upper cone concatenation module described in adjacent two is installed together by fastener, and the lower end of upper cone concatenation module body described in each is all welded with the upper cone arc flange for being fixed together with described middle cylinder upper end.
Preferably, described middle cylinder concatenation module comprises the middle cylinder concatenation module body of arc-shaped, the surrounding of described middle cylinder concatenation module body is respectively equipped with by the one-body molded bar shaped flange be made of hydraulic compressor, is installed together between the bar shaped flange of middle cylinder concatenation module described in adjacent two by fastener.
Preferably, some brace panels by being welded are equipped with between two arc flanges of described upper cone concatenation module and upper cone concatenation module wall; Some brace panels by being welded are equipped with between two arc flanges of described middle cylinder concatenation module and middle cylinder concatenation module wall; Described conic tube concatenation module two arc flanges and conic tube concatenation module wall between be equipped with some brace panels by being welded.
Preferably, packing seal is provided with between upper cone concatenation module described in adjacent two, packing seal is provided with between middle cylinder concatenation module described in adjacent two, be provided with packing seal between lower cone concatenation module described in adjacent two, between described upper cone and middle cylinder, between described middle cylinder and conic tube concatenation module and between described conic tube and end cone, be equipped with packing seal.
Another kind of technical scheme of the present invention is: the manufacturing process of cement bin, comprises the following steps:
S1, making upper cone concatenation module; The trapezoidal sheet metal needed for some making upper cone concatenation module is cut out with numerically-controlled machine tool, trapezoidal sheet metal hole drilling die needed for the upper cone concatenation module of the left and right sides is holed, then through hydraulic compressor, trapezoidal sheet metal is bent into arc-shaped with the diel of upper cone concatenation module, and the both sides of sheet metal are stamped out bar shaped flange, then the bar shaped flange of both sides is fixed, by the lower end of sheet metal welding arc flange, finally unclamp two bar shaped flanges to unclamp, completing of a upper cone concatenation module;
S2, making middle cylinder concatenation module; Cut out the rectangular metal sheet material needed for some making middle cylinder concatenation module with numerically-controlled machine tool, be evenly drilled with multiple connecting bore in the surrounding of described rectangular metal sheet material; By the diel of middle cylinder concatenation module, punching press is carried out to described rectangular metal sheet material, described rectangular metal sheet material is made to be bent into arc-shaped to the side of butt flange, and form butt flange, completing of a middle cylinder concatenation module in the surrounding of sheet metal;
S3, making end cone and conic tube concatenation module, end cone adopts welding manner, the trapezoidal sheet metal needed for some making conic tube concatenation module is cut out with numerically-controlled machine tool, trapezoidal sheet metal hole drilling die needed for the conic tube concatenation module of the left and right sides is holed, then through hydraulic compressor, trapezoidal sheet metal is bent into arc-shaped with the diel of conic tube concatenation module, and the both sides of sheet metal are stamped out bar shaped flange, then the bar shaped flange of both sides is fixed, by the two ends up and down of sheet metal welding arc flange, finally unclamp two bar shaped flanges to unclamp, completing of a conic tube concatenation module,
S4, be assembled into complete cement bin; Some upper cone concatenation module are assembled into upper cone; Some middle cylinder concatenation module are assembled into middle cylinder; Some conic tube concatenation module are assembled into conic tube, then conic tube and end cone are assembled into lower cone; Finally upper cone, middle cylinder and lower cone are assembled into cement bin.
Further, some brace panels are welded with between upper cone concatenation module wall at two arc flanges of described upper cone concatenation module, weld some brace panels at two arc flanges of described middle cylinder concatenation module with between middle cylinder concatenation module wall, described conic tube concatenation module two arc flanges weld some brace panels with between conic tube concatenation module wall.
Have employed technique scheme, beneficial effect of the present invention is: in the present invention, the left and right sides of conic tube concatenation module body is respectively equipped with by the one-body molded conic tube bar shaped flange be made of hydraulic compressor, conic tube bar shaped flange is directly stamped to form by hydraulic compressor, without the need to human weld, this operation eliminates a large amount of welders and solder, the environmental protection more of this processing mode, the working accuracy of lower cone and the quality of product and aesthetics are compared than human weld and are greatly improved, production cycle shortens greatly, cost reduces greatly, all warehouses are in the same size, can be mass, achieve normalisation, convenient transportation, and can on-the-spot rapid-assembling.
The left and right sides due to upper cone concatenation module body is respectively equipped with by the one-body molded upper cone bar shaped flange be made of hydraulic compressor, further shorten the production cycle, reduces productive costs.
Surrounding due to middle cylinder concatenation module body is respectively equipped with by the one-body molded bar shaped flange be made of hydraulic compressor, further shorten the production cycle, reduces productive costs.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is integral structure schematic diagram of the present invention;
Fig. 2 is the structural representation of upper cone concatenation module of the present invention;
Fig. 3 is the structural representation of middle cylinder concatenation module of the present invention;
Fig. 4 is the structural representation of conic tube concatenation module of the present invention;
Wherein: 1, upper cone; 2, middle cylinder; 3, lower cone; 4, upper cone concatenation module; 5, middle cylinder concatenation module; 6, end cone; 7, conic tube; 8, conic tube concatenation module; 9, conic tube concatenation module body; 10, conic tube bar shaped flange; 11, conic tube arc flange; 12, upper cone concatenation module body; 13, upper cone bar shaped flange; 14, upper cone arc flange; 15, middle cylinder concatenation module body; 16, middle cylinder bar shaped flange; 17, brace panel.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
As Fig. 1 and Fig. 4 jointly shown in, cement bin, comprises the upper cone 1, middle cylinder 2 and the lower cone 3 that are connected by fastener from top to bottom successively, upper cone 1 comprises the identical upper cone concatenation module 4 of several sizes, and some upper cone concatenation module 4 are assembled and formed upper cone 1, middle cylinder 2 comprises the identical middle cylinder concatenation module 5 of several sizes, and some middle cylinder concatenation module 5 are assembled and formed middle cylinder 2, lower cone 3 comprises an end cone 6 and at least one conic tube 7, conic tube 7 and end cone 6 are installed together by fastener, conic tube 7 comprises some conic tube concatenation module 8, some conic tube concatenation module 8 are assembled and are formed conic tube 7, each conic tube concatenation module 8 includes conic tube concatenation module body 9, the left and right sides of conic tube concatenation module body 9 is respectively equipped with by the one-body molded conic tube bar shaped flange 10 be made of hydraulic compressor, the conic tube bar shaped flange 10 of adjacent two conic tube concatenation module 8 is installed together by fastener, the two ends up and down of each conic tube concatenation module body 9 are all welded with the conic tube arc flange 11 for being fixed together with middle cylinder 2 upper end.
As shown in Figure 2, in order to further shorten the production cycle, reduce productive costs, each upper cone concatenation module 4 includes upper cone concatenation module body 12, the left and right sides of upper cone concatenation module body 12 is respectively equipped with by the one-body molded upper cone bar shaped flange 13 be made of hydraulic compressor, the upper cone bar shaped flange 13 of adjacent two upper cone concatenation module 4 is installed together by fastener, and the lower end of each upper cone concatenation module body 12 is all welded with the upper cone arc flange 14 for being fixed together with middle cylinder 2 upper end.
As shown in Figure 3, in order to further shorten the production cycle, reduce productive costs, middle cylinder concatenation module 5 comprises the middle cylinder concatenation module body 15 of arc-shaped, the surrounding of middle cylinder concatenation module body 15 is respectively equipped with by the one-body molded middle cylinder bar shaped flange 16 be made of hydraulic compressor, is installed together between the bar shaped flange of adjacent two middle cylinder concatenation module 5 by fastener.
In order to strengthen structural strength, between two arc flanges of upper cone concatenation module 4 and the wall of upper cone concatenation module 4, be equipped with some brace panels 17 by being welded; Some brace panels 17 by being welded are equipped with between two arc flanges of middle cylinder concatenation module 5 and middle cylinder concatenation module 5 wall; Conic tube concatenation module 8 two arc flanges and conic tube concatenation module 8 wall between be equipped with some brace panels 17 by being welded.
In order to increase leak tightness, packing seal (not marking in figure) is provided with between adjacent two upper cone concatenation module 4, packing seal is provided with between adjacent two middle cylinder concatenation module 5, be provided with packing seal between adjacent two lower cone concatenation module, between upper cone 1 and middle cylinder 2, between middle cylinder 2 and conic tube concatenation module 8 and between conic tube 7 and end cone 6, be equipped with packing seal.
Fastener in the present embodiment is bolt.
In the present invention, the left and right sides of conic tube concatenation module body 9 is respectively equipped with by the one-body molded conic tube bar shaped flange 10 be made of hydraulic compressor, conic tube bar shaped flange 10 is directly stamped to form by hydraulic compressor, without the need to human weld, this operation eliminates a large amount of welders and solder, the environmental protection more of this processing mode, the working accuracy of lower cone 3 and the quality of product and aesthetics are compared than human weld and are greatly improved, production cycle shortens greatly, cost reduces greatly, all warehouses are in the same size, can be mass, achieve normalisation, convenient transportation, and can on-the-spot rapid-assembling.
Embodiment two
The manufacturing process of cement bin, comprises the following steps:
Step one
Make upper cone concatenation module 4; The trapezoidal sheet metal needed for some making upper cone concatenation module 4 is cut out with numerically-controlled machine tool, trapezoidal sheet metal hole drilling die needed for left and right sides upper cone concatenation module 4 is holed, then through hydraulic compressor, trapezoidal sheet metal is bent into arc-shaped with the diel of upper cone concatenation module, and the both sides of sheet metal are stamped out bar shaped flange, then the bar shaped flange of both sides is fixed, by the lower end of sheet metal welding arc flange, finally unclamp two bar shaped flanges to unclamp, completing of a upper cone concatenation module 4.
Step 2
Make middle cylinder concatenation module 5; Cut out the rectangular metal sheet material needed for some making middle cylinder concatenation module 5 with numerically-controlled machine tool, be evenly drilled with multiple connecting bore in the surrounding of rectangular metal sheet material; By the diel of middle cylinder concatenation module, punching press is carried out to rectangular metal sheet material, make rectangular metal sheet material be bent into arc-shaped to the side of butt flange, and form butt flange, completing of a middle cylinder concatenation module 5 in the surrounding of sheet metal.
Step 3
Make end cone 6 and conic tube concatenation module 8, end cone 6 adopts welding manner, the trapezoidal sheet metal needed for some making conic tube concatenation module 8 is cut out with numerically-controlled machine tool, trapezoidal sheet metal hole drilling die needed for left and right sides conic tube concatenation module 8 is holed, then through hydraulic compressor, trapezoidal sheet metal is bent into arc-shaped with the diel of conic tube concatenation module, and the both sides of sheet metal are stamped out bar shaped flange, then the bar shaped flange of both sides is fixed, by the two ends up and down of sheet metal welding arc flange, finally unclamp two bar shaped flanges to unclamp, completing of a conic tube concatenation module 8.
Step 4
Be assembled into complete cement bin; Some upper cone concatenation module 4 are assembled into upper cone 1; Some middle cylinder concatenation module 5 are assembled into middle cylinder 2; Some conic tube concatenation module 8 are assembled into conic tube 7, then conic tube 7 and end cone 6 are assembled into lower cone 3; Finally upper cone 1, middle cylinder 2 are assembled into cement bin with lower cone 3.
Further, some brace panels 17 are welded with between upper cone concatenation module 4 wall at two arc flanges of upper cone concatenation module 4, weld some brace panels 17 at two arc flanges of middle cylinder concatenation module 5 with between middle cylinder concatenation module 5 wall, conic tube concatenation module 8 two arc flanges weld some brace panels 17 with between conic tube concatenation module 8 wall.
The applicant researches and develops for many years in field, large-scale cement storehouse, creationaryly obtain integral type butt flange by punching press, the environmental protection more of this processing mode, the working accuracy of warehouse and the quality of product and aesthetics are compared than human weld and are greatly improved, production cycle shortens greatly, and cost reduces greatly.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. cement bin, is characterized in that, comprises the upper cone, middle cylinder and the lower cone that are connected by fastener from top to bottom successively, described upper cone comprises the identical upper cone concatenation module of several sizes, and some described upper cone concatenation module assemblings form described upper cone, described middle cylinder comprises the identical middle cylinder concatenation module of several sizes, and some described middle cylinder concatenation module assemblings form described middle cylinder, described lower cone comprises an end cone and at least one conic tube, described conic tube and described end cone are installed together by fastener, described conic tube comprises some conic tube concatenation module, some described conic tube concatenation module assemblings form described conic tube, conic tube concatenation module described in each includes conic tube concatenation module body, the left and right sides of described conic tube concatenation module body is respectively equipped with by the one-body molded conic tube bar shaped flange be made of hydraulic compressor, the upper cone bar shaped flange of conic tube concatenation module described in adjacent two is installed together by fastener, the two ends up and down of conic tube concatenation module body described in each are all welded with the conic tube arc flange for being fixed together with described middle cylinder upper end.
2. cement bin as claimed in claim 1, it is characterized in that, upper cone concatenation module described in each includes upper cone concatenation module body, the left and right sides of described upper cone concatenation module body is respectively equipped with by the one-body molded upper cone bar shaped flange be made of hydraulic compressor, the upper cone bar shaped flange of upper cone concatenation module described in adjacent two is installed together by fastener, and the lower end of upper cone concatenation module body described in each is all welded with the upper cone arc flange for being fixed together with described middle cylinder upper end.
3. cement bin as claimed in claim 1 or 2, it is characterized in that, described middle cylinder concatenation module comprises the middle cylinder concatenation module body of arc-shaped, the surrounding of described middle cylinder concatenation module body is respectively equipped with by the one-body molded bar shaped flange be made of hydraulic compressor, is installed together between the bar shaped flange of middle cylinder concatenation module described in adjacent two by fastener.
4. cement bin as claimed in claim 3, is characterized in that, being equipped with some brace panels by being welded between two arc flanges of described upper cone concatenation module and upper cone concatenation module wall; Some brace panels by being welded are equipped with between two arc flanges of described middle cylinder concatenation module and middle cylinder concatenation module wall; Described conic tube concatenation module two arc flanges and conic tube concatenation module wall between be equipped with some brace panels by being welded.
5. cement bin as claimed in claim 4, it is characterized in that, packing seal is provided with between upper cone concatenation module described in adjacent two, packing seal is provided with between middle cylinder concatenation module described in adjacent two, be provided with packing seal between lower cone concatenation module described in adjacent two, between described upper cone and middle cylinder, between described middle cylinder and conic tube concatenation module and between described conic tube and end cone, be equipped with packing seal.
6. the manufacturing process of cement bin, is characterized in that, comprises the following steps:
S1, making upper cone concatenation module; The trapezoidal sheet metal needed for some making upper cone concatenation module is cut out with numerically-controlled machine tool, trapezoidal sheet metal hole drilling die needed for the upper cone concatenation module of the left and right sides is holed, then through hydraulic compressor, trapezoidal sheet metal is bent into arc-shaped with the diel of upper cone concatenation module, and the both sides of sheet metal are stamped out bar shaped flange, then the bar shaped flange of both sides is fixed, by the lower end of sheet metal welding arc flange, finally unclamp two bar shaped flanges to unclamp, completing of a upper cone concatenation module;
S2, making middle cylinder concatenation module; Cut out the rectangular metal sheet material needed for some making middle cylinder concatenation module with numerically-controlled machine tool, be evenly drilled with multiple connecting bore in the surrounding of described rectangular metal sheet material; By the diel of middle cylinder concatenation module, punching press is carried out to described rectangular metal sheet material, described rectangular metal sheet material is made to be bent into arc-shaped to the side of butt flange, and form butt flange, completing of a middle cylinder concatenation module in the surrounding of sheet metal;
S3, making end cone and conic tube concatenation module, end cone adopts welding manner, the trapezoidal sheet metal needed for some making conic tube concatenation module is cut out with numerically-controlled machine tool, trapezoidal sheet metal hole drilling die needed for the conic tube concatenation module of the left and right sides is holed, then through hydraulic compressor, trapezoidal sheet metal is bent into arc-shaped with the diel of conic tube concatenation module, and the both sides of sheet metal are stamped out bar shaped flange, then the bar shaped flange of both sides is fixed, by the two ends up and down of sheet metal welding arc flange, finally unclamp two bar shaped flanges to unclamp, completing of a conic tube concatenation module,
S4, be assembled into complete cement bin; Some upper cone concatenation module are assembled into upper cone; Some middle cylinder concatenation module are assembled into middle cylinder; Some conic tube concatenation module are assembled into conic tube, then conic tube and end cone are assembled into lower cone; Finally upper cone, middle cylinder and lower cone are assembled into cement bin.
7. the manufacturing process of cement bin as claimed in claim 5, it is characterized in that, some brace panels are welded with between upper cone concatenation module wall at two arc flanges of described upper cone concatenation module, weld some brace panels at two arc flanges of described middle cylinder concatenation module with between middle cylinder concatenation module wall, described conic tube concatenation module two arc flanges weld some brace panels with between conic tube concatenation module wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578274.9A CN104401604A (en) | 2014-10-24 | 2014-10-24 | Cement bin and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410578274.9A CN104401604A (en) | 2014-10-24 | 2014-10-24 | Cement bin and manufacturing process thereof |
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| CN104401604A true CN104401604A (en) | 2015-03-11 |
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| CN201410578274.9A Pending CN104401604A (en) | 2014-10-24 | 2014-10-24 | Cement bin and manufacturing process thereof |
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Cited By (5)
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| CN107088357A (en) * | 2017-06-05 | 2017-08-25 | 史汉祥 | A kind of gas cleaning reactor and its manufacture method |
| CN108045790A (en) * | 2018-02-11 | 2018-05-18 | 沧州市永高农牧机械科技有限公司 | A kind of level combined material storage tower and preparation method thereof |
| CN108313544A (en) * | 2017-12-11 | 2018-07-24 | 南京迦南比逊科技有限公司 | Two-period form bucket body and its manufacturing method |
| CN110395494A (en) * | 2019-09-03 | 2019-11-01 | 潍坊市贝特工程机械有限公司 | Pin-connected panel storage tank and its assemble method |
| CN110576939A (en) * | 2019-05-30 | 2019-12-17 | 沪东中华造船(集团)有限公司 | Construction method for large conical cylinder segments |
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| CN110395494B (en) * | 2019-09-03 | 2023-11-17 | 潍坊市贝特工程机械有限公司 | Split type storage tank and assembly method thereof |
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Application publication date: 20150311 |
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