CN105149881B - A kind of group of conjoined storage tank is to method - Google Patents
A kind of group of conjoined storage tank is to method Download PDFInfo
- Publication number
- CN105149881B CN105149881B CN201510597817.6A CN201510597817A CN105149881B CN 105149881 B CN105149881 B CN 105149881B CN 201510597817 A CN201510597817 A CN 201510597817A CN 105149881 B CN105149881 B CN 105149881B
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- clapboard
- open side
- welding
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- tank body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention proposes a kind of group of conjoined storage tank to method.This method comprises the following steps：A) tank body sectional making, conjoined storage tank is divided into left part, tank body among the sum number section of right part, make respectively left part, among the sum number section of right part tank body building block；B) tank body segmented welding, by the building block of left part and the building block of right part in vertical direction welding fabrication, the building block of several sections of intermediate tank bodies is respectively in vertical direction welding fabrication, and welding is connected to form middle part in the horizontal direction by several sections of intermediate tank bodies；C) tank body welding is molded, and by the one end open side of the open side of left part and the middle part, welding is connected in the horizontal direction, and welding is connected in the horizontal direction for open side and the other end open side of middle part of right part.Present invention reduces the difficulty of tank body group pair, improve the build guality of conjoined storage tank.
Description
Technical field
The invention belongs to technical field of the conjoined tank battery to welding fabrication more particularly to a kind of groups of conjoined storage tank
To method.
Background technology
Conjoined storage tank refers to intersect the LNG cargo ships storage being welded by two or more cylindrical tank tank bodies
Tank maximizes flask volume during shipping, for the compressed liquefied gas product such as storage and transportation LNG.Conjoined storage tank common at present
There are two kinds of double cylinder types and three cylinder types, such storage tank is formed by polylith shell plates welding, and separate unit tank volume is about 5000~
15000m3.Since such storage tank bears internal pressure, the precision and control welding deformation amount to tank assembling are more demanding, build
Must its size and quality be controlled using effective method during making.
Traditional conjoined storage tank is a kind of group using mould to method, and this method needs to make axially isometric with tank body
Degree, iso-curvature group to mould, the shell plates of storage tank lower half are laid on the inside of mould and are put by when tank body group pair to be welded into
For entirety, internal full hall scaffold is set up on surface on it after shell plates spot welding is fixed-type, will be on storage tank drum by fixture
The shell plates of half portion are connect with the fixed storage tank bottom shelf half plate of spot welding, adjust the group pair between the curvature of housing and shell plates
Gap, corner angle amount and unfitness of butt joint and by storage tank drum welding fabrication, finally by the end socket at cylinder both ends and storage tank drum along horizontal
Axial group to closing up and welding.Complex procedures, difficulty of construction are big.
Invention content
The technical problems to be solved by the invention are in view of the above problems, to provide a kind of group of conjoined storage tank
To method, simplify working procedure, improve the assembled quality of storage tank.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of group of conjoined storage tank to method,
It is characterized in that, includes the following steps：
A) tank body sectional making, conjoined storage tank is divided into left part, right part sum number section centre tank body, respectively described in making
The building block of tank body among left part, right part sum number section；
The building block of the left part is molded, the right end by B) tank body segmented welding in vertical direction welding
The building block in portion in vertical direction welding fabrication, the building blocks of several sections of intermediate tank bodies respectively in vertical direction welding fabrication,
And welding is connected to form middle part in the horizontal direction by several sections of intermediate tank bodies；
C) tank body welding is molded, by the one end open side of the open side of the left part and the middle part in the horizontal direction
Welding is connected, and welding is connected in the horizontal direction for open side and the other end open side of middle part of the right part.
By said program, the step A) in left part include two left end sockets, one piece of left clapboard and two pieces of " C " type left housings
Plate, the left end socket are the hemispherical dome structure of interior side opening, and the left clapboard is that top is the tablet that semicircular-shaped lower portion is rectangle
Structure, the height of " C " the type left housing plate are identical with the height of left clapboard lower rectangular plate；The right part includes two right envelopes
Head, one piece of right clapboard and two pieces of right coverboards of " C " type, the right end socket are the hemispherical dome structure of interior side opening, and the right clapboard is
Top is the slab construction that semicircular-shaped lower portion is rectangle, the height of the right coverboard of " C " type and the height of right clapboard lower rectangular plate
It spends identical；The intermediate tank body includes coverboard in one piece of intermediate bulkhead and several piece " C " type, and the intermediate bulkhead is rectangular flat,
The height of intermediate bulkhead is twice or three times of the height of coverboard in described " C " type.
By said program, the step B) including following content：
B1) left part welding fabrication, the open side relative symmetry of two pieces of " C " types left housing plate are set on the left clapboard
Both sides, the two sides of the open side edges of two blocks of " C " type left housing plates with the rectangular slab of left clapboard lower part are weldingly connected, described two
Open side relative symmetry is set on the both sides of left clapboard on the inside of left end socket, and the inside opening edge of two left end sockets is upper with left clapboard
The edge of portion's semicircular plate is weldingly connected；
B2) right part welding fabrication, the open side relative symmetry of the right coverboard of described two pieces of " C " types are set on the right clapboard
Both sides, the two sides of the open side edges of two pieces of right coverboards of " C " type with the rectangular slab of right clapboard lower part are weldingly connected, described two
Open side relative symmetry is set on the both sides of right clapboard on the inside of right end socket, and the inside opening edge of two right end sockets is upper with right clapboard
The edge of portion's semicircular plate is weldingly connected；
B3) middle part welding fabrication, horizontal symmetrical is set on the centre to coverboard from lower to upper two-by-two in several piece " C " type
The both sides of partition board, the open side edges of coverboard are weldingly connected with the two sides of intermediate bulkhead in several piece " C " type, adjacent " C " type
Middle coverboard is weldingly connected.
By said program, the step C) include following content：Two blocks of " C " type left housing plates of the left part with it is described
Coverboard is weldingly connected in two pieces of " C " types of middle part one end, the left clapboard of the left part and one end of middle part intermediate bulkhead
It is weldingly connected, two pieces of right coverboards of " C " type of the right part weld phase with coverboard in two pieces of " C " types of the middle part other end
Even, the right clapboard of the right part and the other end of the middle part intermediate bulkhead are weldingly connected.
The beneficial effects of the invention are as follows：1st, a kind of group of conjoined storage tank is provided to method, left part, right part sum number
The building block of the intermediate tank body of section is grouped in vertical direction, avoids the influence that coverboard dead weight is deformed, simplifies
Requirement to the anti-deformation bracing means of segment-shaped seal head gap position, eliminates making tank body mould and tank interior is set up completely
The process of hall scaffold improves the assembled quality of storage tank；2nd, middle part and tank body welding molding carry out in the horizontal direction, subtract
Lack the number that tank body horizontal axis closes up, reduced the difficulty of tank body group pair, improve the build guality of conjoined storage tank.
Description of the drawings
Fig. 1 is the welding fabrication flow chart of the left part of one embodiment of the invention.
Fig. 2 is the welding fabrication flow chart of the right part of one embodiment of the invention.
Fig. 3 is the welding fabrication flow chart of the middle part of one embodiment of the invention.
Wherein：1. left end socket, 2. left clapboards, 3. " C " type left housing plates, 4. right end sockets, 5. right clapboards, the 6. right coverboards of " C " type,
7. intermediate bulkhead, coverboard in 8. " C " types.
Specific embodiment
To more fully understand the present invention, the invention will be further described with reference to the accompanying drawings and examples.
As shown in Figs. 1-3, embodiment of the present invention is：
Tank body sectional making：Conjoined storage tank is divided into left part, right part sum number section centre tank body, makes left end respectively
The building block of tank body among portion, right part sum number section, left part include two left 1, one piece of left clapboards 2 of end socket and two pieces " C "
Type left housing plate 3, left end socket are the hemispherical dome structure of interior side opening, and left clapboard is that top is the tablet knot that semicircular-shaped lower portion is rectangle
Structure, the height of " C " type left housing plate are identical with the height of left clapboard lower rectangular plate；Right part includes two right 4, one pieces of right sides of end socket
Partition board 5 and two pieces of right coverboards 6 of " C " type, right end socket are the hemispherical dome structure of interior side opening, and right clapboard is that top is semicircular-shaped lower portion
For the slab construction of rectangle, the height of the right coverboard of " C " type is identical with the height of right clapboard lower rectangular plate；Intermediate tank body includes one
Coverboard 8 in block intermediate bulkhead 7 and several piece " C " type, intermediate bulkhead are rectangular flat, and the height of intermediate bulkhead is coverboard in " C " type
Twice or three times of height, one piece of intermediate bulkhead can weld several to coverboard in " C " type, reduce partition board weld seam, both save work
Sequence can guarantee welding quality again.
Tank body segmented welding：1) building block of left part is molded in vertical direction welding, two pieces of " C " type left housings
The open side relative symmetry of plate is set on the both sides of left clapboard, the open side edges of two blocks of " C " type left housing plates with left clapboard lower part
The two sides of rectangular slab are weldingly connected, and open side relative symmetry is set on the both sides of left clapboard, two left envelopes on the inside of two left end sockets
Edge of the inside opening edge of head with the top semicircular plate of left clapboard is weldingly connected；2) building block of right part is vertical
Direction welding fabrication, the open side relative symmetry of two pieces of right coverboards of " C " type are set on the both sides of right clapboard, two pieces of right coverboards of " C " type
Two sides of the open side edges with the rectangular slab of right clapboard lower part be weldingly connected, open side relative symmetries on the inside of two right end sockets
Set on the both sides of right clapboard, the inside opening edge of two right end sockets welds phase with the edge of the top semicircular plate of right clapboard
Even；3) building block of the several sections of intermediate tank bodies coverboard horizontal symmetrical two-by-two in vertical direction welding fabrication, several piece " C " type respectively
The open side edges of coverboard are welded with the two sides of intermediate bulkhead in the both sides of intermediate bulkhead, several piece " C " type from lower to upper
It is connected, coverboard is weldingly connected in adjacent " C " type, and the intermediate tank body of several sections of welding fabrications is overturn 90 °, in the horizontal direction group
Middle part is connected to form to welding.
Tank body welding is molded：By the one end open side of the open side of left part and middle part welding phase in the horizontal direction
Even, two blocks of " C " type left housing plates of left part are weldingly connected with coverboard in two pieces of " C " types of middle part one end, left clapboard and centre
One end of partition board is weldingly connected；By the other end open side of the open side of right part and middle part welding phase in the horizontal direction
Even, two pieces of right coverboards of " C " type of right part are weldingly connected with coverboard in two pieces of " C " types of the middle part other end, and right clapboard is in
The other end of spacing board is weldingly connected.
Claims (3)
1. a kind of group of conjoined storage tank is to method, which is characterized in that includes the following steps：
A) tank body sectional making, conjoined storage tank are divided into left part, right part sum number section centre tank body, make the left end respectively
The building block of tank body among portion, right part sum number section, left part include two left end sockets, one piece of left clapboard and two pieces of " C " types
Left housing plate, the left end socket are the hemispherical dome structure of interior side opening, and it be semicircular-shaped lower portion is rectangle that the left clapboard, which is top,
Slab construction, the height of " C " the type left housing plate are identical with the height of left clapboard lower rectangular plate；The right part includes two
Right end socket, one piece of right clapboard and two pieces of right coverboards of " C " type, the right end socket are the hemispherical dome structure of interior side opening, it is described it is right every
Plate is that top is the slab construction that semicircular-shaped lower portion is rectangle, height and the right clapboard lower rectangular plate of the right coverboard of " C " type
Height it is identical；The intermediate tank body includes coverboard in one piece of intermediate bulkhead and several piece " C " type, and the intermediate bulkhead is put down for rectangle
Plate, the height of intermediate bulkhead are twice or three times of the height of coverboard in described " C " type；
The building block of the left part is molded by B) tank body segmented welding in vertical direction welding, the right part
Building block is incited somebody to action in vertical direction welding fabrication, the building block of several sections of centre tank bodies respectively in vertical direction welding fabrication
Welding is connected to form middle part to several sections of intermediate tank bodies in the horizontal direction；
C) tank body welding is molded, and the one end open side of the open side of the left part and the middle part is organized pair in the horizontal direction
It is weldingly connected, welding is connected in the horizontal direction for open side and the other end open side of middle part of the right part.
2. a kind of group of conjoined storage tank according to claim 1 is to method, which is characterized in that the step B) including such as
Lower content：
B1) left part welding fabrication, the open side relative symmetry of two pieces of " C " types left housing plate are set on the two of the left clapboard
Side, the two sides of the open side edges of two blocks of " C " type left housing plates with the rectangular slab of left clapboard lower part are weldingly connected, a described two left sides
Open side relative symmetry is set on the both sides of left clapboard on the inside of end socket, the inside opening edges of two left end sockets with the top of left clapboard
The edge of semicircular plate is weldingly connected；
B2) right part welding fabrication, the open side relative symmetry of the right coverboard of described two pieces of " C " types are set on the two of the right clapboard
Side, the two sides of the open side edges of two pieces of right coverboards of " C " type with the rectangular slab of right clapboard lower part are weldingly connected, described two right sides
Open side relative symmetry is set on the both sides of right clapboard on the inside of end socket, the inside opening edges of two right end sockets with the top of right clapboard
The edge of semicircular plate is weldingly connected；
B3) middle part welding fabrication, horizontal symmetrical is set on the intermediate bulkhead to coverboard from lower to upper two-by-two in several piece " C " type
Both sides, the open side edges of coverboard are weldingly connected with the two sides of intermediate bulkhead in several piece " C " type, shell in adjacent " C " type
Plate is weldingly connected.
3. a kind of group of conjoined storage tank according to claim 2 is to method, which is characterized in that the step C) include
Following content：Two blocks of " C " type left housing plates of the left part weld phase with coverboard in two pieces of " C " types of described middle part one end
Even, one end of the left clapboard and middle part intermediate bulkhead of the left part is weldingly connected, two pieces of right shells of " C " type of the right part
Plate is weldingly connected with coverboard in two pieces of " C " types of the middle part other end, the right clapboard of the right part and the middle part
The other end of intermediate bulkhead is weldingly connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597817.6A CN105149881B (en) | 2015-09-18 | 2015-09-18 | A kind of group of conjoined storage tank is to method |
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| CN201510597817.6A CN105149881B (en) | 2015-09-18 | 2015-09-18 | A kind of group of conjoined storage tank is to method |
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| CN105149881B true CN105149881B (en) | 2018-06-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110356512A (en) * | 2019-07-22 | 2019-10-22 | 浙江新乐造船股份有限公司 | A kind of liquefied natural gas boat-carrying binary storage tank and its manufacturing method |
| CN110434528A (en) * | 2019-08-05 | 2019-11-12 | 江苏华滋能源工程有限公司 | The combined moulding bed of triplet flow container end socket |
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| CH672208A5 (en) * | 1986-12-09 | 1989-10-31 | Elpatronic Ag | |
| FR2795158B1 (en) * | 1999-06-15 | 2001-07-27 | Liotard Metallurg | PROFILE TANK |
| JP4553566B2 (en) * | 2003-08-08 | 2010-09-29 | 昭和電工株式会社 | Pressure vessel liner and method of manufacturing the same |
| CN102242862A (en) * | 2011-05-10 | 2011-11-16 | 烟台丛林精密机械有限公司 | Aluminum alloy welded gas cylinder formed by integrally extruded flange and shell, and a manufacturing method thereof |
| CN104907776A (en) * | 2015-06-24 | 2015-09-16 | 浙江沈泰特种设备有限公司 | Storage tank processing technology |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09255080A (en) * | 1996-03-19 | 1997-09-30 | Nippon Zeon Co Ltd | Large tank body |
| CN1364678A (en) * | 2000-12-26 | 2002-08-21 | 通用电气公司 | Mounting method of large pressure container |
| CN101417381A (en) * | 2008-11-05 | 2009-04-29 | 西安轨道交通装备有限责任公司 | Cylindrical shell sloping-bottom tank car body manufacture technique |
| CN201856058U (en) * | 2010-10-29 | 2011-06-08 | 中国重汽集团柳州运力专用汽车有限公司 | Agitating lorry tank welder |
| CN102491011A (en) * | 2011-12-28 | 2012-06-13 | 四川蓝星机械有限公司 | Large recovered oil and gas tank |
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| CN105149881A (en) | 2015-12-16 |
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