CN107824997A - The installation method of asymmetric equatorial zone coverboard - Google Patents
The installation method of asymmetric equatorial zone coverboard Download PDFInfo
- Publication number
- CN107824997A CN107824997A CN201711049789.XA CN201711049789A CN107824997A CN 107824997 A CN107824997 A CN 107824997A CN 201711049789 A CN201711049789 A CN 201711049789A CN 107824997 A CN107824997 A CN 107824997A
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- CN
- China
- Prior art keywords
- equatorial
- plate
- supporting column
- coverboard
- upper supporting
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Classifications
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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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 invention discloses a kind of installation method of asymmetric equatorial zone coverboard, comprise the following steps：Equatorial plate is placed in into group to be placed on levelling bench on platform, marking upper supporting column anchor point, equatorial plate lower end on plate under the line, equatorial plate upper end is placed on the crossbeam of elevation and subsidence regulating device；The crossbeam of elevation and subsidence regulating device is held into equatorial plate upper end, adjusts the setting height(from bottom) of crossbeam, when the upper supporting column anchor point of equatorial plate reaches theoretical level apart from group to podium level, fixed cross beam, welds upper supporting column and equatorial plate at the upper supporting column anchor point of plate under the line；Lower supporting rod and pull bar annex are installed on the basis of, after lifting equatorial plate and fixed upper supporting column and lower supporting rod, other installations with coverboard are carried out after completing the installation of equatorial plate.The installation method of asymmetric equatorial zone coverboard proposed by the present invention, facilitates and equatorial plate is installed.
Description
Technical field
The present invention relates to installation of spheroidal tank technical field, more particularly to a kind of installation method of asymmetric equatorial zone coverboard.
Background technology
Construction of spherical tank is divided into workshop making and in-site installation, the part directly mutually welded with Spherical Tank Shell Plates, such as upper supporting column and equator
The workshop that is welded between plate completes, and spherical shell boards half-finished product, which is transported to job site, to carry out welding after lifting is combined into entirety again
Connect.It is equatorial zone that traditional three employ one of symmetrical splitted structure form, its feature with spherical tanks, five band spherical tanks, seven with spherical tanks
In broadwise and through being all upwards symmetrical, the broadwise center of equatorial plate is just on the central horizontal line of spherical tank Spherical Tank Shell Plates.Cause
This, when equatorial plate is with spherical tank support column group pair, as long as the outside center position welding upper supporting column of plate under the line, you can ensure pillar
During installation just with spherical tank tangent.Due to equator harden structure be it is full symmetric, therefore, very convenient group of symmetrical expression equatorial plate
Weldering, such as Fig. 1.
With the constantly big volume of spherical tank, largest domestic Propylene Spherical Tanks have accomplished 40003, the maximization of spherical tank volume, make
Obtain Spherical Tank Shell Plates divides valve typesetting form also diversified.In the case that spherical tank volume is certain, the block number of Spherical Tank Shell Plates is reduced as far as possible, it is real
Existing spherical tank divides the optimization of valve, realizes the purpose for improving Spherical Tank Shell Plates stock utilization.Four-zone spherical tank is in the band spherical tank base of tradition three
A kind of new point lobed formula to grow up on plinth, the equatorial zone of traditional spherical tank is divided into two in broadwise, that is, is divided into equator
Band and upper temperature zone.The equator zone plate of four-zone spherical tank only has warp-wise symmetrically and broadwise is asymmetric, such as Fig. 2, referred to as asymmetric equatorial plate.
If using conventional methods group asymmetric equatorial plate of weldering and a pillar, upper supporting column at an angle, is difficult to control with levelling bench
Precision, installation effectiveness are low.In addition, method needs to build applying for the equatorial plate field assembly for lower supporting rod and with upper supporting column now
Work platform, there are area requirements to job site place.
The content of the invention
It is a primary object of the present invention to provide a kind of installation method of asymmetric equatorial zone coverboard, it is intended to convenient to non-right
Equatorial zone coverboard is claimed to be installed.
To achieve the above object, the present invention provides a kind of installation method of asymmetric equatorial zone coverboard, comprises the following steps：
Equatorial plate is placed in group and is placed in levelling bench on platform, marking upper supporting column anchor point, equatorial plate lower end on plate under the line
On, equatorial plate upper end is placed on the crossbeam of elevation and subsidence regulating device；
The crossbeam of elevation and subsidence regulating device is held into equatorial plate upper end, adjusts the setting height(from bottom) of crossbeam, when the upper supporting column of equatorial plate is determined
Site apart from group to podium level reach theoretical level when, fixed cross beam, under the line at the upper supporting column anchor point of plate welding on prop up
Post；
Lower supporting rod and pull bar annex are installed on the basis of, after lifting equatorial plate and fixed upper supporting column and lower supporting rod, complete equatorial plate
Installation after carry out other installations with coverboard.
Preferably, the upper supporting column anchor point on the equatorial plate is the intersection point of spherical tank central horizontal line and warp-wise line of symmetry.
Preferably, the two adjacent equatorial plates with upper supporting column are first lifted when lifting equatorial plate, successively, and fixed upper supporting column and
Corresponding lower supporting rod, the equatorial plate without upper supporting column between two equatorial plates is then lifted, lifts other equatorial plates according to this.
Preferably, coordinated between upper supporting column and lower supporting rod using circumferential weld fixture and fixed block and fixed.
Preferably, when welding upper supporting column, ensure that it is relatively parallel to platform with group.
Preferably, after completing the lifting of all equatorial plates, physical dimension is to allowing to miss between integrally-regulated equatorial zone and pillar
After in poor scope, then carry out other liftings with coverboard.
The installation method of asymmetric equatorial zone coverboard proposed by the present invention, has the advantages that：
1st, when workshop manufactures, by elevation and subsidence regulating device, asymmetric equatorial plate horizontal centre line position is transferred to virtual symmetrical high
H is spent, is easy to measure the levelness of pillar and pillar during equatorial plate group pair.As long as ensure that pillar is horizontal, you can ensure pillar with it is red
Guidance tape is tangent, facilitates the installation for carrying out equatorial plate；
2nd, during on-site consolidation, lower supporting rod is first installed（Include the annexes such as pull bar）, when plate lifts under the line, upper supporting column and lower supporting rod it
Between the connection of circumferential weld carry out in the air（Conventional method is that the welding between lower supporting rod is completed on ground construction platform, then is entered
Row lifting）, using circumferential weld fixture and fixed block mating connection group to lower supporting rod and the circumferential weld of upper supporting column, equatorial zone one is enclosed assembled complete
Afterwards, then the integrally-regulated of physical dimension between equatorial zone and pillar is carried out, advantageously reduces assembling stress.Meanwhile this method is not
Need to set up the construction platform of the equatorial plate field assembly for lower supporting rod and with upper supporting column, greatly reduce to job site place
Area requirements.Meanwhile lifting machine-team can be saved, improve spherical tank lifting efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of symmetrical expression equatorial plate；
Fig. 2 is the structural representation of asymmetric equatorial plate；
Fig. 3 is the installation method of this asymmetric equatorial zone coverboard in installation equatorial plate and the structural representation before upper supporting column；
Fig. 4 is the installation method of this asymmetric equatorial zone coverboard in installation equatorial plate and the structural representation after upper supporting column；
Fig. 5 be this asymmetric equatorial zone coverboard installation method in elevation and subsidence regulating device structural representation；
Fig. 6 is structural representation of the installation method of this asymmetric equatorial zone coverboard when installing lower supporting rod and its annex；
Fig. 7 is structural representation of the installation method of this asymmetric equatorial zone coverboard when installing first piece of equatorial plate；
Fig. 8 is structural representation of the installation method of this asymmetric equatorial zone coverboard when installing the 3rd piece of equatorial plate；
Fig. 9 be this asymmetric equatorial zone coverboard installation method under the line plate rigging out when structural representation.
In figure, 1- equatorial plates, 2- upper supporting columns, 3- lower supporting rods, 4- equatorial zones, 5- poles side plate, 6- poles side plate, the extremely middle plates of 7-,
The upper pole bands of 8-, pole under 9-, 10- groups are horizontal to platform, 11- upper supporting column anchor points, 12- elevation and subsidence regulating devices, 13- jack, 14-
Beam, 15- columns.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of the description present invention and simplifies description, is not instruction or implies signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention
System.
Referring to figs. 1 to Fig. 9, in this preferred embodiment, a kind of installation method of asymmetric equatorial zone coverboard, including following step
Suddenly：
Step S10, equatorial plate 1 is placed in group on platform 10, marking upper supporting column anchor point 11 on plate 1 under the line, under equatorial plate 1
End is placed on levelling bench, and the upper end of equatorial plate 1 is placed on the crossbeam 14 of elevation and subsidence regulating device 12；
Step S20, the crossbeam 14 of elevation and subsidence regulating device 12 is held into the upper end of equatorial plate 1, the setting height(from bottom) of crossbeam 14 is adjusted, when red
The upper supporting column anchor point 11 of guidance tape 1 apart from group highly reach theoretical level to platform 10 when, fixed cross beam 14, plate 1 under the line
Upper supporting column 2 is welded at upper supporting column anchor point 11；
Step S30, lower supporting rod 3 and pull bar annex are installed on the basis of, lift equatorial plate 1 and fixed upper supporting column 2 and lower supporting rod 3
Afterwards, other installations with coverboard are carried out after completing the installation of equatorial plate 1.
In step S10, the upper supporting column anchor point 11 on equatorial plate 1 is the friendship of spherical tank central horizontal line and warp-wise line of symmetry
Point.When welding upper supporting column 2, ensure that it is relatively parallel to platform 10 with group.Elevation and subsidence regulating device 12 includes two columns 15, is located at
Crossbeam 14 between two columns 15 and the jack 13 positioned at the lower section of crossbeam 14.Jack 13 drives crossbeam 14 to move up and down,
The both sides progress that column 15 is used for equatorial plate 1 is spacing.
In step S30, when lifting equatorial plate 1, the two adjacent equatorial plates 1 with upper supporting column 2 are first lifted successively, and fix
Pillar 2 and corresponding lower supporting rod 3, the equatorial plate 1 without upper supporting column 2 between two equatorial plates 1 is then lifted, is lifted according to this other
Equatorial plate 1.Coordinated between upper supporting column 2 and lower supporting rod 3 using circumferential weld fixture and fixed block and fixed（Circumferential weld fixture and fixed block use
Existing conventional equipment）.
Complete after all equatorial plates 1 lift, physical dimension is to allowable error scope between integrally-regulated equatorial zone and pillar
After interior（By adjusting installation site of the fixed block on circumferential weld fixture, to adjust distance between upper supporting column 2 and lower supporting rod 3）,
Other liftings with coverboard are carried out again.
It is specifically described below by taking a certain spherical tank as an example, spherical tank parameter is as follows：Spherical tank is by asymmetric equatorial zone, upper temperature
Band, upper pole band, lower pole band composition, wherein 12 pieces of the asymmetric equator zone plate with upper supporting column 2, without the asymmetric equatorial zone of pillar
12 pieces of plate, 24 pieces of equatorial plates 1 altogether, pillar is made up of 3 two sections of upper supporting column 2 and lower supporting rod, such as Fig. 2.Its installation process is as follows.
（1）When workshop manufactures, equatorial plate 1 is placed in group on platform 10, marking spherical tank central horizontal line on plate 1 under the line
With warp-wise line of symmetry, intersection point a is upper supporting column anchor point 11.The lower end of equatorial plate 1 is placed on levelling bench, and upper end is placed in rising-falling tone
On the crossbeam 14 of regulating device 12, such as Fig. 4.
（2）Theoretical level h is calculated, by elevation and subsidence regulating device 12, crossbeam 14 holds the upper end of equatorial plate 1.When a points
When highly reaching anomaly platform theoretical level h, fixed cross beam 14, such as Fig. 5.
（3）During on-site hoisting, lower supporting rod 3 and pull bar annex, such as Fig. 6 are first installed on the basis of.
（4）First piece of asymmetric equatorial plate 1 with upper supporting column 2 is lifted, such as Fig. 7.Group is to adopting between upper supporting column 2, lower supporting rod 3
Coordinated with circumferential weld fixture and fixed block and fixed, equatorial plate 1 is fixed using wind rope temporarily if necessary.
（5）Using the same method of previous step, lift with second piece of step 4 adjacent struts with the asymmetric of upper supporting column 2
Equatorial plate 1, the equatorial plate 1 without upper supporting column 2 of two intercolumniations is then lifted, such as Fig. 8.
（6）Step is used successively（4）And step（5）, complete the lifting of asymmetric equatorial plate 1.Such as Fig. 9.It is integrally-regulated red
Physical dimension is to after in the range of allowable error between road band and pillar, then carries out other liftings with coverboard.
Above method step（1）To step（2）Also it is applied to one-part form pillar（It is not divided to upper and lower two sections of corbeling shape
Formula）.Step（3）To step（6）Also it is applied to the on-site consolidation of symmetrical expression equatorial zone spherical tank.
The installation method of asymmetric equatorial zone coverboard proposed by the present invention, has the advantages that：
1st, when workshop manufactures, by elevation and subsidence regulating device 12, it is virtual right that the horizontal centre line position of asymmetric equatorial plate is transferred to
Claim height h, be easy to measure the levelness of pillar and pillar during equatorial plate group pair.As long as ensure that pillar is horizontal, you can ensure pillar
It is tangent with equatorial plate, facilitate the installation for carrying out equatorial plate；
2nd, during on-site consolidation, lower supporting rod 3 is first installed（Include the annexes such as pull bar）, when plate lifts under the line, upper supporting column 2 and lower supporting rod
The connection of circumferential weld is carried out in the air between 3（Conventional method is that the welding between lower supporting rod 3 is completed on ground construction platform,
Lifted again）, using circumferential weld fixture and fixed block mating connection group to lower supporting rod 3 and the circumferential weld of upper supporting column 2, equatorial zone one is enclosed
It is assembled it is complete after, then carry out the integrally-regulated of physical dimension between equatorial zone and pillar, advantageously reduce assembling stress.Meanwhile should
Method need not set up the construction platform of the equatorial plate field assembly for lower supporting rod 3 and with upper supporting column 2, greatly reduce to construction
Live site area requirement.Meanwhile lifting machine-team can be saved, improve spherical tank lifting efficiency.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, or other related technical areas are directly or indirectly used in,
Similarly it is included within the scope of the present invention.
Claims (6)
1. a kind of installation method of asymmetric equatorial zone coverboard, it is characterised in that comprise the following steps：
Equatorial plate is placed in group and is placed in levelling bench on platform, marking upper supporting column anchor point, equatorial plate lower end on plate under the line
On, equatorial plate upper end is placed on the crossbeam of elevation and subsidence regulating device；
The crossbeam of elevation and subsidence regulating device is held into equatorial plate upper end, adjusts the setting height(from bottom) of crossbeam, when the upper supporting column of equatorial plate is determined
Site apart from group to podium level reach theoretical level when, fixed cross beam, under the line at the upper supporting column anchor point of plate welding on prop up
Post；
Lower supporting rod and pull bar annex are installed on the basis of, after lifting equatorial plate and fixed upper supporting column and lower supporting rod, complete equatorial plate
Installation after carry out other installations with coverboard.
2. the installation method of asymmetric equatorial zone coverboard as claimed in claim 1, it is characterised in that upper on the equatorial plate
Pillar anchor point is the intersection point of spherical tank central horizontal line and warp-wise line of symmetry.
3. the installation method of asymmetric equatorial zone coverboard as claimed in claim 1, it is characterised in that during lifting equatorial plate, first
The two adjacent equatorial plates with upper supporting column, and fixed upper supporting column and corresponding lower supporting rod are lifted successively, then lift two equatorial plates
Between the equatorial plate without upper supporting column, lift other equatorial plates according to this.
4. the installation method of asymmetric equatorial zone coverboard as claimed in claim 1, it is characterised in that upper supporting column and lower supporting rod it
Between coordinated using circumferential weld fixture and fixed block and fix.
5. the installation method of asymmetric equatorial zone coverboard as claimed in claim 1, it is characterised in that when welding upper supporting column,
Ensure that it is relatively parallel to platform with group.
6. the installation method of the asymmetric equatorial zone coverboard as described in any one in claim 1 to 5, it is characterised in that complete
After being lifted into all equatorial plates, physical dimension is to after in the range of allowable error between integrally-regulated equatorial zone and pillar, then enters
The other liftings with coverboard of row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049789.XA CN107824997B (en) | 2017-10-31 | 2017-10-31 | Method for mounting asymmetric equatorial belt shell plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049789.XA CN107824997B (en) | 2017-10-31 | 2017-10-31 | Method for mounting asymmetric equatorial belt shell plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107824997A true CN107824997A (en) | 2018-03-23 |
| CN107824997B CN107824997B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711049789.XA Active CN107824997B (en) | 2017-10-31 | 2017-10-31 | Method for mounting asymmetric equatorial belt shell plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115537483A (en) * | 2022-10-24 | 2022-12-30 | 中国十九冶集团有限公司 | Blast furnace five-way ball dehydrogenation treatment method |
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| CN2709773Y (en) * | 2003-12-30 | 2005-07-13 | 刘福录 | Ball-shape storage tank |
| CN103343875A (en) * | 2013-06-17 | 2013-10-09 | 武汉一冶钢结构有限责任公司 | Double-layer spherical tank and hoisting method thereof |
| CN103883132A (en) * | 2014-04-11 | 2014-06-25 | 沈阳工业安装工程股份有限公司 | Method for assembling upper and lower seal heads of nuclear power containment and jig frame structure |
| CN104002079A (en) * | 2014-05-12 | 2014-08-27 | 上海市安装工程集团有限公司 | Welding-deforming-preventing stainless steel spherical tank spherical shell part assembling tool and method |
| CN105113776A (en) * | 2015-09-18 | 2015-12-02 | 武汉一冶钢结构有限责任公司 | Supporting device and construction method for top platform in upper pole of spherical tank |
| JP6139957B2 (en) * | 2013-04-19 | 2017-05-31 | 三井造船株式会社 | Sphere support structure for liquefied gas carrier |
-
2017
- 2017-10-31 CN CN201711049789.XA patent/CN107824997B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709773Y (en) * | 2003-12-30 | 2005-07-13 | 刘福录 | Ball-shape storage tank |
| JP6139957B2 (en) * | 2013-04-19 | 2017-05-31 | 三井造船株式会社 | Sphere support structure for liquefied gas carrier |
| CN103343875A (en) * | 2013-06-17 | 2013-10-09 | 武汉一冶钢结构有限责任公司 | Double-layer spherical tank and hoisting method thereof |
| CN103883132A (en) * | 2014-04-11 | 2014-06-25 | 沈阳工业安装工程股份有限公司 | Method for assembling upper and lower seal heads of nuclear power containment and jig frame structure |
| CN104002079A (en) * | 2014-05-12 | 2014-08-27 | 上海市安装工程集团有限公司 | Welding-deforming-preventing stainless steel spherical tank spherical shell part assembling tool and method |
| CN105113776A (en) * | 2015-09-18 | 2015-12-02 | 武汉一冶钢结构有限责任公司 | Supporting device and construction method for top platform in upper pole of spherical tank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115537483A (en) * | 2022-10-24 | 2022-12-30 | 中国十九冶集团有限公司 | Blast furnace five-way ball dehydrogenation treatment method |
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| CN107824997B (en) | 2020-10-16 |
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