CN103924811A - Method for manufacturing large cylindrical material storing tank - Google Patents
Method for manufacturing large cylindrical material storing tank Download PDFInfo
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- CN103924811A CN103924811A CN201410183795.4A CN201410183795A CN103924811A CN 103924811 A CN103924811 A CN 103924811A CN 201410183795 A CN201410183795 A CN 201410183795A CN 103924811 A CN103924811 A CN 103924811A
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- tank body
- body member
- stiffening ring
- lifting
- floor
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Abstract
A method for manufacturing a large cylindrical material storing tank comprises the following steps that a plurality of hoisting stand columns are evenly distributed inside a tank body in the circumferential direction, wherein the hoisting stand columns are provided with electric hoists; a first layer tank body member is formed by splicing a plurality of arc-shaped pipe pieces, the part, close to the bottom, inside the first layer tank body member is provided with a hoisting stiffening ring, and a lifting lug is arranged on the hoisting stiffening ring; the first layer tank body member is hoisted by the electric hoists; a second layer tank body member is formed by splicing a plurality of arc-shaped pipe pieces below the first layer tank body member, the electric hoists are operated to enable the first layer tank body member to fall at the upper end of the second layer tank body member, and the first layer tank body member and the second layer tank body member are connected in a welding mode; by parity of reasoning, a plurality of layers of tank body members are welded into the whole tank body; the large cylindrical material storing tank is installed and manufactured through the steps. According to the method, the effect of the transporting and storing steps on the tank body members is reduced, the using cost of hoisting devices is reduced, the manufacturing and installing efficiency and tank body quality are improved, and manufacturing and installing cost is reduced.
Description
Technical field
The present invention relates to the making field of tank body, particularly can be used for the preparation method of a kind of large cylindrical shape storage tank of water power, building operations or chemical field.
Background technology
In power station and the construction of some other industry, commonly use large-scale circular storage tank, the feature of this kind of round bin is that volume is large, thereby its diameter and highly all larger, the large cylindrical shape storage tank diameter that for example certain engineering adopts reaches 16 meters, tank body Member Welding by 12 layers every layer 1.5 meters high is made, individual layer is heavily 5154 kilograms as calculated, and gross weight is 61848 kilograms.Make the tank body material of this kind of storage tank--steel plate is mainly 6mm-10mm steel sheet, thereby its weight is lighter comparatively speaking, and intensity is less.If common fabrication and installation method for Bian, first make tile and again tile is assembled into a joint hollow cylinder integral hoisting or the lifting of single tile, this method requires with angle steel, to do a plurality of stiffening rings when making tile, this has not only increased cost of manufacture, no matter while is single tile or is combined into integral hoisting, at higher level place, need also have the construction safety risk of personal height operation with relatively large crane, expense is high, efficiency is low simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of preparation method of large cylindrical shape storage tank, can not adopt large-scale crane, reduces cost of manufacture, also without personal height operation, improves the safety of storage tank system peace.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of preparation method of large cylindrical shape storage tank, comprises the following steps:
One, a plurality of lifting columns that are uniformly distributed along the circumference on the tank body mounting platform in tank body, lifting column is provided with electric block, and the height of lifting column is higher than one deck tank body member;
Two, with multi-disc arc pipe sheet assembling first floor tank body member, at first floor tank body member, near the inside of bottom, lifting stiffening ring is installed, position corresponding with lifting column on lifting stiffening ring is provided with hanger;
Three, with electric block, by hanger, lift by crane first floor tank body member, until bottom is higher than the oneself height of first floor tank body member;
Four, below first floor tank body member with multi-disc arc pipe sheet assembling second layer tank body member, operation electric block make first floor tank body member drop on the upper end of second layer tank body member, be welded to connect first floor tank body member and second layer tank body member;
Five, dismounting lifting stiffening ring is installed to second layer tank body member near the inside of bottom, with electric block, by hanger, lifts by crane first floor and second layer tank body member, by that analogy, by multilayer tank body Member Welding, is whole tank body;
By above-mentioned steps, realizing the installation of large cylindrical shape storage tank makes.
In preferred scheme, be also provided with annular platform for lining on tank body mounting platform, when assembled, below one deck tank body member is positioned at the cannelure of annular platform for lining.
Described lifting stiffening ring forms ring-type by the stiffening ring structural member of multistage arc;
One end at single stiffening ring structural member is welded with nutplate, nutplate is provided with puller bolt, the other end of stiffening ring structural member is welded with and is subject to head part, be provided with for holding the stopper slot of puller bolt termination by head part, and the middle part of stiffening ring structural member is welded with hanger.
Described stopper slot lower end is open, and nutplate and be subject to the lower end of head part lower than the lower end of channel-section steel in stiffening ring structural member, during installation, is directly placed on stiffening ring structural member on tank body mounting platform or annular platform for lining;
Adjust behind position, make every puller bolt hold out against the adjacent head part that is subject to, even if whole lifting stiffening ring diameter increases, form interference fit with tank body member inwall.
Described lifting column quantity is corresponding with the quantity of stiffening ring structural member.
Inwall or the outer wall medium position of described every one deck tank body member are also welded with stiffening ring.
In step 3, after lifting puts in place, at the top of first floor tank body member, top cover is installed.
The preparation method of a kind of large cylindrical shape storage tank provided by the invention, by adopting uniform lifting column in tank interior, starts the mode of installation from tank body top layer, reduced the reinforced member in installation process, has saved structural meterials.Method of the present invention is that making is synchronizeed and carried out with installation simultaneously, owing to having reduced the impact of intermediate transportation storing step for tank body member, therefore not only improving fabrication and installation efficiency also improves tank body quality, and reduced system peace cost, especially do not adopt large-scale lifting appliance, reduce the use cost of lifting appliance, be suitable for making large scale, large cylindrical shape storage tank cheaply.In preferred scheme, the lifting stiffening ring structure of employing, has reduced the difficulty of lifting by crane, and has reduced the work at every one deck tank body Member Welding hanger, and can reuse, and has also reduced use cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is overall structure schematic top plan view of the present invention.
Fig. 2 is the structural representation of lifting column in the present invention.
Fig. 3 is the schematic diagram of single-unit stiffening ring structural member in the present invention.
Fig. 4 is the A-A cross-sectional schematic of Fig. 3.
Fig. 5 is subject to the stereogram of head part in the present invention.
Fig. 6 is the schematic flow sheet of the inventive method.
In figure: tank body 1, lifting stiffening ring 2, is subject to head part 21, stiffening ring structural member 22, hanger 23, puller bolt 24, nutplate 25, stopper slot 26, lifting column 3, electric block 4, tank body mounting platform 5, annular platform for lining 6, stiffening ring 7.
The specific embodiment
Embodiment 1:
In Fig. 1 ~ 6, a kind of preparation method of large cylindrical shape storage tank, comprises the following steps:
One, a plurality of lifting columns 3 that are uniformly distributed along the circumference on the tank body mounting platform 5 in tank body 1, lifting column 3 is provided with electric block 4, and the height of lifting column 3 is higher than one deck tank body member;
Two, with multi-disc arc section of jurisdiction, weld assembled first floor tank body member,
In preferred scheme, inwall or the outer wall medium position of described every one deck tank body member are also welded with stiffening ring 7.
At first floor tank body member, near the inside of bottom, lifting stiffening ring 2 is installed, position corresponding with lifting column 3 on lifting stiffening ring 2 is provided with hanger 23;
In preferred scheme, be also provided with annular platform for lining 6 on tank body mounting platform 5, when assembled, below one deck tank body member is positioned at the cannelure of annular platform for lining 6.Structure thus, the welding of being also convenient to each arc section of jurisdiction is assembled.
Lifting stiffening ring 2 in this example can be to be welded on first floor tank body member near bottom position, or adopts as described later the mode of tensioner to be flexibly connected.
Three, with electric block 4, by hanger 23, lift by crane first floor tank body members, until bottom is higher than the oneself height of first floor tank body member;
In preferred scheme, in step 3, after lifting puts in place, in the welded top of first floor tank body member, top cover is installed.Because lifting column 3 is all positioned at tank body 1, therefore can not impact welded and installed top cover, and highly not high, constructability.
Four, below first floor tank body member with multi-disc arc pipe sheet assembling second layer tank body member, operation electric block 4 make first floor tank body member drop on the upper end of second layer tank body member, be welded to connect first floor tank body member and second layer tank body member; Step 2 ~ tetra-operating process as shown in Figure 6.
Five, dismounting lifting stiffening ring 2 is installed to second layer tank body member near the inside of bottom, with electric block 4, by hanger 23, lift by crane first floor and second layer tank body members, the 3rd layer of tank body member of assembled welding by that analogy, is whole tank body 1 by multilayer tank body Member Welding;
By above-mentioned steps, realizing the installation of large cylindrical shape storage tank from upper strata to lower floor makes.
Preferred scheme is as in Fig. 1,3 ~ 5, and described lifting stiffening ring 2 forms ring-type by the stiffening ring structural member 22 of multistage arc;
In one end of single stiffening ring structural member 22, be welded with nutplate 25, nutplate 25 is provided with puller bolt 24, the other end of stiffening ring structural member 22 is welded with and is subject to head part 21, be provided with for holding the stopper slot 26 of puller bolt 24 terminations by head part 21, the middle part of stiffening ring structural member 22 is welded with hanger 23.
In preferred scheme, described stopper slot 26 lower ends are open, and nutplate 25 and be subject to the lower end of head part 21 lower than the lower end of channel-section steel in stiffening ring structural member 22, during installation, is directly placed on stiffening ring structural member 22 on tank body mounting platform 5 or annular platform for lining 6;
Adjust behind position, make every puller bolt 24 hold out against the adjacent head part 21 that is subject to, even if whole lifting stiffening ring 2 diameters increase, form interference fit with tank body member inwall.
In preferred scheme, described lifting column 3 quantity are corresponding with the quantity of stiffening ring structural member 22.
Embodiment 2:
On the basis of embodiment 1, with example further instruction:
1, first carry out the tank body mounting platform 5 of storage tank, and at annular platform for lining 6 built-in fittings of the tank body mounting platform 5 pre-buried installation lifting in relevant position columns 3 and assembled use;
2, according to every layer of hollow cylinder, be the height of tank body member, conventionally the width with commercial steel plate is as the criterion, general plate wide is 1.5 meters or 2 meters, and the gross weight of whole storing tank body is designed height and the quantity of lifting column, take certain sandstone batch can to specifically describe fabrication and installation method as example:
Certain sandstone batch can diameter 16m, high 18m, tank body material is that 8mm steel plate is aided with small part angle steel and makes stiffening ring 7, the wide 1.5m of single steel plate, long 8.37m, roll bending blanking scale, totally 12 layers, in the middle of every layer, with 70 angle steel, weld a stiffening ring, individual layer is heavily 5154 kilograms as calculated, and gross weight is 61848 kilograms.Formulate accordingly installation production program as follows:
1, on tank body mounting platform 5, take the tank body base plate center of circle is the center of circle, on the center of circle that diameter is 15.5m 8 of uniform settings high be the lifting column 3 of 2.5m, on each lifting column 3, hang a hoisting weight and be the electric block 4 of 10 tons.
2, with the channel-section steel of 20mm specification, bend the lifting stiffening ring that a diameter is 16m.Because 8mm steel plate is thinner, if directly hanger is arranged on 8mm steel plate, when carrying out multilayer lifting, easily make tank body steel plate deformed, even can't bear the heavy load, designing and producing of lifting stiffening ring is in the same manner as in Example 1, at this, is not described further.Lifting stiffening ring is installed on from the about 150mm place, bottom of the hollow cylinder Inner ring of each lifting.
3, on the base plate of tank body mounting platform 5, build one higher than base plate 40mm ~ 50mm, wide is the annular platform for lining 6 of 300mm, and annular platform for lining 6 central diameter are 16m.
4, the steel plate of 1.5m * 8.37m is rolled to eliminate the internal stress of steel plate at plate bending rolls, angle steel also rolls accordingly.
5, the steel plate after eliminating stress is hung to the enterprising pedestrian's work of annular platform for lining 6 and be bent into the circular arc tile of diameter 16m, and it is fixing to carry out being suitably shaped.Second also identical, by that analogy and form the hollow cylinder that a diameter is 16m, welded weld seam and stiffening ring 7 that the angle steel of burn-oning is made.
6, lifting stiffening ring 2 movable described in embodiment 1 being arranged on to hollow cylinder is on request in tank body member, between each section of stiffening ring structural member 22 of lifting stiffening ring 2, with puller bolt 24, hold out against, and suitably firm.Can proofread and correct tank body member circularity, can be used for is the suspension hook of electric block 4 simultaneously.
7, the chaining of 8 electric blocks is adjusted after length, 8 electric blocks while simultaneously opening, the tank body member that is tank body 1 top layer by first floor hangs the about 1500mm+150mm of annular platform for lining 6 place, after it is stable, then carries out the assembled of second layer tank body member.For the tank body that top cover need to be installed, can before make second layer tank body member, first install and make top cover.
8, second layer tank body component assembly good after, start electric block and transfer first floor tank body member and dock with the second layer is assembled, weld docking circumferential weld.
9, unload the lifting stiffening ring that is arranged on first floor tank body member bottom, and be arranged on appropriate location, second layer tank body member bottom.Method is with first floor Method for Installation, and carries out the integral hoisting of first floor and second layer tank body member, carries out by that analogy the integral hoisting of, two, three layers, directly causes all tank bodies are installed and completed.
10, remove bottom annular platform for lining 6, integral body is put down tank body to realize being connected of tank body and base plate.So just, completed the fabrication and installation process of whole batch can.
The present invention is large-scale with the application in top cover oil storage tank system peace by eight, Ji Mou on probation county in six large-scale sandstone storage tank system peaces of some hydropower station, and effect is all very good.
Claims (7)
1. a preparation method for large cylindrical shape storage tank, is characterized in that comprising the following steps:
One, a plurality of lifting columns (3) that are uniformly distributed along the circumference on the tank body mounting platform (5) in tank body (1), lifting column (3) is provided with electric block (4), and the height of lifting column (3) is higher than one deck tank body member;
Two, with multi-disc arc pipe sheet assembling first floor tank body member, at first floor tank body member, near the inside of bottom, lifting stiffening ring (2) is installed, the upper position corresponding with lifting column (3) of lifting stiffening ring (2) is provided with hanger (23);
Three, with electric block (4), by hanger (23), lift by crane first floor tank body member, until bottom is higher than the oneself height of first floor tank body member;
Four, below first floor tank body member with multi-disc arc pipe sheet assembling second layer tank body member, operation electric block (4) make first floor tank body member drop on the upper end of second layer tank body member, be welded to connect first floor tank body member and second layer tank body member;
Five, dismounting lifting stiffening ring (2) is installed to second layer tank body member near the inside of bottom, with electric block (4), by hanger (23) lifting first floor and second layer tank body member, by that analogy, by multilayer tank body Member Welding, is whole tank body (1);
By above-mentioned steps, realizing the installation of large cylindrical shape storage tank makes.
2. the preparation method of a kind of large cylindrical shape storage tank according to claim 1, it is characterized in that: on tank body mounting platform (5), be also provided with annular platform for lining (6), when assembled, one deck tank body member in below is positioned at the cannelure of annular platform for lining (6).
3. the preparation method of a kind of large cylindrical shape storage tank according to claim 1, is characterized in that: described lifting stiffening ring (2) forms ring-type by the stiffening ring structural member (22) of multistage arc;
In one end of single stiffening ring structural member (22), be welded with nutplate (25), nutplate (25) is provided with puller bolt (24), the other end of stiffening ring structural member (22) is welded with and is subject to head part (21), be provided with for holding the stopper slot (26) of puller bolt (24) termination by head part (21), the middle part of stiffening ring structural member (22) is welded with hanger (23).
4. the preparation method of a kind of large cylindrical shape storage tank according to claim 3, it is characterized in that: described stopper slot (26) lower end is open, nutplate (25) and the lower end that is subject to head part (21) are lower than the lower end of channel-section steel in stiffening ring structural member (22), during installation, directly stiffening ring structural member (22) is placed on tank body mounting platform (5) or annular platform for lining (6);
Adjust behind position, make every puller bolt (24) hold out against the adjacent head part (21) that is subject to, even if whole lifting stiffening ring (2) diameter increases, form interference fit with tank body member inwall.
5. the preparation method of a kind of large cylindrical shape storage tank according to claim 4, is characterized in that: described lifting column (3) quantity is corresponding with the quantity of stiffening ring structural member (22).
6. the preparation method of a kind of large cylindrical shape storage tank according to claim 1, is characterized in that: inwall or the outer wall medium position of described every one deck tank body member are also welded with stiffening ring (7).
7. the preparation method of a kind of large cylindrical shape storage tank according to claim 1, is characterized in that: in step 3, after lifting puts in place, at the top of first floor tank body member, top cover is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183795.4A CN103924811B (en) | 2014-05-04 | 2014-05-04 | A kind of preparation method of large-scale cylindrical storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183795.4A CN103924811B (en) | 2014-05-04 | 2014-05-04 | A kind of preparation method of large-scale cylindrical storage tank |
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| Publication Number | Publication Date |
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| CN103924811A true CN103924811A (en) | 2014-07-16 |
| CN103924811B CN103924811B (en) | 2016-01-27 |
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| CN201410183795.4A Active CN103924811B (en) | 2014-05-04 | 2014-05-04 | A kind of preparation method of large-scale cylindrical storage tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274224A (en) * | 2016-03-30 | 2017-01-04 | 李刚 | Calabash clamping device |
| CN106853954A (en) * | 2015-12-08 | 2017-06-16 | 中国二冶集团有限公司 | A kind of installation method for tower Storage Tank |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020288A (en) * | 2007-03-21 | 2007-08-22 | 沪东中华造船(集团)有限公司 | Large circular tank assembling process |
| CN201842609U (en) * | 2010-11-08 | 2011-05-25 | 中煤建筑安装工程公司第七十三工程处 | Expansion ring for lifting steel structural tank body |
| AU2013205677A1 (en) * | 2012-05-04 | 2013-11-21 | Strad Energy Services Ltd. | Modular transportable tank system and method of assembly |
-
2014
- 2014-05-04 CN CN201410183795.4A patent/CN103924811B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020288A (en) * | 2007-03-21 | 2007-08-22 | 沪东中华造船(集团)有限公司 | Large circular tank assembling process |
| CN201842609U (en) * | 2010-11-08 | 2011-05-25 | 中煤建筑安装工程公司第七十三工程处 | Expansion ring for lifting steel structural tank body |
| AU2013205677A1 (en) * | 2012-05-04 | 2013-11-21 | Strad Energy Services Ltd. | Modular transportable tank system and method of assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106853954A (en) * | 2015-12-08 | 2017-06-16 | 中国二冶集团有限公司 | A kind of installation method for tower Storage Tank |
| CN106853954B (en) * | 2015-12-08 | 2018-12-04 | 中国二冶集团有限公司 | A kind of installation method for tower Storage Tank |
| CN106274224A (en) * | 2016-03-30 | 2017-01-04 | 李刚 | Calabash clamping device |
| CN106274224B (en) * | 2016-03-30 | 2019-06-21 | 湖北卓能起重机械有限公司 | Cucurbit clamping device |
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| Publication number | Publication date |
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| CN103924811B (en) | 2016-01-27 |
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