CN201703778U - Hurricane and tsunami resistant tank body of large-sized steel liquid storage tank - Google Patents
Hurricane and tsunami resistant tank body of large-sized steel liquid storage tank Download PDFInfo
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- CN201703778U CN201703778U CN2010201040658U CN201020104065U CN201703778U CN 201703778 U CN201703778 U CN 201703778U CN 2010201040658 U CN2010201040658 U CN 2010201040658U CN 201020104065 U CN201020104065 U CN 201020104065U CN 201703778 U CN201703778 U CN 201703778U
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- plate
- liquid storage
- steel
- storage tank
- fluid reservoir
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Abstract
The utility model relates to a large-sized vessel, in particular to a tank body of a steel liquid storage tank capable of resisting destructive hurricane, typhoon, tsunami and storm surge. The large-sized or superlarge-sized liquid storage tank in an approximate inverted flat ovoid shape comprises a convex tank baseboard, a radial and circumferential two-way curvature wallboard, an arc-shaped top board, a net shell, a bow-shaped supporting truss, a supporting post, a flexible inner floating disc, a protection board and the like. A liquid storage tank base is arranged on a rotary curve-shaped concrete foundation. The utility model is characterized in that: the elevation at the top surface of the base is higher than the highest water level of forecasting natural disaster; the stress distribution of the shell of the liquid storage tank is improved; the shape of the exposed tank is approximate streamline and the supporting in the tank is enhanced, thereby greatly reducing the damage action of the huge wind pressure load; under the premise of limiting the size of the wall thickness of the steel plate, the diameter of the liquid storage tank is free from limitation, thereby the scale benefit of the single liquid storage tank is obvious.
Description
Technical field
The utility model belongs to the tun technical field, particularly resists the large-scale fluid reservoir technology of combating a natural disaster of hurricane, tsunami, storm tide.
Background technology
Large-scale liquid storage tank is because of bulky, and wind area is huge, so when meeting strong hurricane, typhoon, tsunami, the invasion and attack of storm tide disaster by chance, be subjected to damage, corrosion easily.
Existing large-scale liquid storage tank, for example vertical and cylindrical fluid reservoir, droplet-shaped fluid reservoir, roll over the droplet-shaped fluid reservoir more, because of wind area big, when meeting with hurricane, general strengthen the rigidity of tank skin, still have intensity, problem that rigidity is not enough but resist Super Typhoon that destructive destroys with the multiple tracks primary wind girder.For example resist the superpower strength typhoon that V level destructive destroys (wind speed greater than 249 kilometers/time, wave is high more than 6.5 meters) resist 5 grades of tsunamis (maximum height that may influence is greater than 24 meters), above-mentioned several large-scale liquid storage tanks may be destroyed because anti-disaster ability is not enough.
Chinese patent CN200720140652.0 discloses a kind of torispherical tank bottom structure of large-scale liquid storage tank antidetonation, but does not relate to flat ovoid, semisphere, elliposoidal, band flanging tapered shaped can base plate.
Summary of the invention
The present invention is according to the theoretical standard equation of ovum circle
In the formula, x is an abscissa value, and y is an ordinate value, and n is the ovum index.
When the ovum index n of ovum circle＜1, obtain flat ovum circular curve.With flat ovum circular curve is that the shaping bus rotates around central axis, promptly forms flat ossphere shell, sees the flat ossphere shell of just putting of accompanying drawing 1 (a) signal and the inverted flat ossphere shell of Fig. 1 (b) signal.
The present invention discloses a kind of large-sized steel fluid reservoir of resisting hurricane, violent typhoon, tsunami, storm tide disaster, its tank structure profile approaches inverted flat ossphere, by the convex tank bottom, warp-wise and circumferential double-curved wallboard, vault plate and net shell, arch support truss, sieve plate, pillar stiffener and pull bar, guar plate, interior floating plate, float, spoke stay cord etc. assemble by ad hoc fashion.
The liquid storage fangs is on the concrete foundation of surface of revolution shape, the end face absolute altitude on basis surpasses the maximum height that the wave water level of hurricane, violent typhoon, tsunami, storm tide may reach, when avoiding meeting by chance the disaster of these kinds to damage, the corrosion attack of fluid reservoir.
The fluid reservoir tank body is exposed to the above part of basic end face and approaches inverted flat ovoid swept-out outer shape, to reduce the wind pressure effect.Inverted flat ossphere can be reduced to the base plate of flat ovoid, hemispherical shell, ellipsoid shell, band flanging conical shell shape.The fluid reservoir base plate pastes and is placed on the surface of revolution of concrete foundation.Be connected tank bottom and jar the vault plate between the double-curved wallboard of fluid reservoir with prolonging the arch support truss of tank skin circle distribution from the fluid reservoir inner support.The arch support truss is formed, is welded the steel structure that fixing three-dimensional supports with tank shell by arc framed bent, pipe link, hound assembly welding.Arc framed bent is welded by the up-and-down rod in the same plane, arch bar, pipe link, hound, and up-and-down rod is installed the back perpendicular to ground level at framed bent, face mutually and use stay bolt bar, pipe link to link to each other between the two frame arch support truss, to guarantee the Wind-Pressure Resistance stability of the overall architecture that the arch support truss is formed.
The vault plate of fluid reservoir supports with many vertical steel pipe pillar stiffeners with the net shell and fixes with pull bar.There is a hemispheric steel column cap on every pillar stiffener top, and the hemisphere stigma surface is welded with the one group of pull bar that radially distributes, and the pull bar other end is connected respectively with the vault net shell node dispersedly.The bottom of pillar stiffener is welded on the steel base of horizontal fixed on the tank bottom.
Be welded with pory sieve plate between the up-and-down rod of the belfast truss that each faces mutually, the screen cloth upper and lower end is weldingly fixed on vault plate and the base plate, to be divided into two zones that communicate in the fluid reservoir: storage tank center and circumferential annular district, two zones adopt different floating plates airtight.The flexible floating plate of center is connected with the flexible flake floating plate plate overlap joint of withstanding corrosion, anti-swelling by the hollow steel buoyancy module circle of the up-and-down rod that prolongs belfast truss with the trapezoidal cross-section of interior circumferential distribution, is connected with bolted with pressing plate.Between pillar stiffener and the flexible floating plate plate, be set with the little buoyancy module of steel of the rectangular cross section of annular arrangement at support column surrounding, the floating plate plate has circular port on the pillar stiffener position, and the overlap joint of little buoyancy module and floating plate plate is with pressing plate ring and bolted.Floating plate can move up and down in the column center that the up-and-down rod and the sieve plate of arch support truss surrounds with the lifting of liquid level in whole, and when buoyancy module dropped down onto tank bottom, flexible floating plate plate kept free and not tight state.Reduce the volatilization of liquid storage steam with stacking an amount of positive triangular cone, square or the topped liquid level of spherical anti-corrosion float in the circumferential annular district of fluid reservoir.When the floating stacking amount in the stand of float was in maximum gauge state in the fluid reservoir with liquid level, the minimum layer 2-3 of floating float was no more than 10 layers at most.The float size is twice above than the plate hole yardstick of sieve plate, float floats at the liquid storage annular surface.
The tilting guar plate of circle distribution level is prolonged in fluid reservoir tank skin outside, and guar plate slopes down to foundation surface from tank skin.Steel guar plate one end bolt together is on the shaped steel ring bar of the circumferential down hand welding in tank skin outer, and other end bolt together is fixed on the concrete foundation.The effect of guar plate is to ensure that the slit between fluid reservoir and the basis does not cause corrosion because of immersions such as rainwater, foreign material.The central support posts top of fluid reservoir pillar stiffener respectively has the width of cloth of a radial distribution to draw steel rope between the arch bar top of the arc framed bent of each frame, annulus by the steel rope two ends is fixedly connected on corresponding rod end respectively, and the degree of tightness of steel rope can be regulated, to strengthen the integral rigidity of tank inside steel structure.
Advantage of the present invention:
1. the present invention is with approaching inverted flat ovoid liquid storage tank structure, the radius of curvature of tank body, tank skin, tank deck does not have the corner angle of strong sudden change, so tank body internal cause curvature change and the shell wall edge stress that causes have improved safe reliability well below the stress and strain of the adjoining edge of the wallboard of vertical and cylindrical fluid reservoir and base plate.
2. the part that be exposed to atmosphere of large-scale liquid storage tank of the present invention on the basis approaches the swept-out profile, greatly reduce the wind pressure effect of typhoon, hurricane, fluid reservoir in-to-in truss, pillar stiffener, net shell have increased tank body integral intensity and rigidity simultaneously, with vertical and cylindrical fluid reservoir, droplet-shaped or roll over the droplet-shaped fluid reservoir more and compare, improved the ability of resisting disaster caused by a windstorm greatly.
3. fluid reservoir of the present invention, its center of gravity is lower than the plane, top of concrete foundation, compare with the large-scale vertical cylindrical shape fluid reservoir or the droplet-shaped fluid reservoir of same height of gravitational center, the basic end face of invert-Chen-Shuibian spherical liquid-storage tank is higher, so the higher ability of resisting tsunami, storm tide is arranged.
4. fluid reservoir operation total cost under the condition of same stored volume, is compared and can save steel plate, pipeline and storage tank annex consumption, reduced to large-scale liquid storage tank of the present invention with the vertical and cylindrical fluid reservoir.
5. large-scale liquid storage of the present invention can increase the fluid reservoir diameter greatly when not changing the qualification of fluid reservoir tank skin steel plate thickness, the fluid reservoir diameter is unrestricted.The volume scale and benefit that fluid reservoir is single jar are obvious.Tank diameter is big more, and the cost of unit liquid storage volume is low more, and floor area is also few more.
Description of drawings
Fig. 1 is flat ovum circle a figure and the inverted flat ovum circle b figure that is just putting.
Fig. 2 is the right side generalized section near inverted flat ovoid large-scale liquid storage tank agent structure.
Fig. 3 is the right half side of large-scale liquid storage tank birds-eye view.Figure top shows the top cross-sectional view of clipping from the largest circumference position of Fig. 2 after the Liquid Storage Cylinder Shell.
Thin bilge construction scheme drawing when sealing with bolted with the pressing plate ring when Fig. 4 is fluid reservoir buoyancy module, little buoyancy module and flexible floating plate plate overlap joint.
Fig. 5 is the vault plate of fluid reservoir and the structural representation of net shell.
Among the figure, 1 goalpost head, 2 floating plate plates, 3 little buoyancy modules, 4 buoyancy modules, 5 liquid storages, 6 floats, 7 pillar stiffeners, 8 pull bars, 9 vault plates, 10 up-and-down rods, 11 belfast trusses, 12 wallboards, 13 arch bars, 14 guar plates, 15 bases, 16 hounds, 17 pipe links, 18 tank bottoms, 19 bases, 20 sieve plates, 21 spoke stay cords, 22 digonal links, 23 central support posts, 24 pipe links, 25 truss Beam, 26 bolt connection pieces, 27 pressing plate rings, 28 net shells.
The specific embodiment
On the basis 15 of the surface of revolution shape of large-scale liquid storage tank, be the center with the height point place of rotation centerline and ground 15, the fluid reservoir base plate steel plate that paves, assembling welded tank base plate 18 prolongs circumference with the edge line of base plate 18 and trims.Flaw detection, check.Line, in pattern assigned position and orientation on base plate 18, welding firm banking 19.
The splicing of the double-curved wallboard 12 usefulness rectangular steel plates of fluid reservoir is spliced into the length of wallboard 12 regulations with rectangular steel plates, and line cuts into the tangerine flap, and beveling of the edge, and brake forming connects into large stretch of wallboard with the wallboard block welding of moulding.Control steel plate fabric width conforms to the regulation of pattern to guarantee the weld seam angularity.
With the belfast truss member rule respectively, blanking.The arch bar moulding, arch bar, up-and-down rod, hound, pipe link assembling are welded into bow type plane framed bent, framed bent line in plural bow type plane is welded on large stretch of wallboard, and the truss Beam 25 between the framed bent of two bow types of assembly welding plane, digonal link 22, pipe link 24, sieve plate 20, form the assembly set of one section belfast truss 11 and wallboard 12 sheets, sieve plate 20, this assembly set groove place is added backing plate, each segmentation hangs onto predetermined installation site with weight-lifting equipment, makes its lower end and tank bottom edge and the welding of side opposite joint with jig.At the large stretch of connecting portion scaffolding of each wallboard, the tank shell 12 of circumference and the 20 assembling welding of bow type truss 11 sieve plates, but must keep construction passage at the bottom of entering jar, to last sealing.Last 1 sieve plate 20 after jar week, an amount of float 6 load in annular space, complete sealing.
At fluid reservoir bottom assembling net shell 28, around tank skin, lift by crane rack 28 and be connected and fixed with tank skin 12 and up-and-down rod 10, truss Beam 25.The spoke stay cord 21 that rises between vertical rod 10 and the central support posts 23 is connected tension to certain tension force is arranged.
By the shutout order pillar stiffener 7 is put little buoyancy module 3 backs and vertically be placed on the base 19 with weight-lifting equipment, welding is fixing.Between goalpost at pillar stiffener top 1 and net shell node, pull bar 8 is installed, and welding is fixing by figure.
In fluid reservoir,, be linked to be whole steel buoyancy module 4 with 4 sections edge arrangement, welding of in jar, prolonging the up-and-down rod 10 and the sieve plate 20 of the belfast truss 11 in the jar of steel buoyancy module of segmentation.Spread out and put on flexible floating plate plate 2 at the bottom of jar, with glueing joint, sew up or slide fastener connecting into a jar Bottom Shape, the floating plate plate is through cutting out with floating plate lath, piece, periphery and buoyancy module overlapping edges, compress with pressing plate ring 27 and bolt 26, little buoyancy module overlapping edges, also fastening with pressing plate ring 27 and bolt 26.
After the tank body engineering comes to an end, on fluid reservoir, install as required oil jug, breathing valve, safety valve, connection for bbreather pipe, flame damper, inner shutoff valve and handling device, foam generator, vent valve, amount by device, fluid level controller, static let-off gear(stand), electrochemical protection device, temperature booster, water spray radiator, manhole, hand hole, breather hole, mudhole, puddle mixer, outside insulation etc.The cleaning tank interior, be coated with the anticorrosive paint water-filling and test.
Claims (10)
1. steel large-scale liquid storage tank of resisting hurricane, violent typhoon, tsunami, storm tide disaster, its tank structure profile approaches inverted flat ossphere, by convex tank bottom, warp-wise and circumferential bidrectional cured wallboard, vault plate and net shell, arch support truss, sieve plate, pillar stiffener and pull bar, guar plate, interior floating plate, float, spoke stay cord etc., assemble by ad hoc fashion, the liquid storage fangs is on the concrete foundation of surface of revolution shape, and the end face absolute altitude on basis surpasses the maximum height that the wave water level of hurricane, violent typhoon, tsunami, storm tide may reach.
2. steel large-scale liquid storage tank according to claim 1, it is characterized in that, be exposed to the above part of basic end face near inverted flat ovoid fluid reservoir tank body, approach the swept-out outer shape, the fluid reservoir tank bottom pastes and is placed on the surface of revolution of concrete foundation; Inverted flat ossphere can be reduced to the base plate of flat ovoid, hemispherical shell, ellipsoid shell, band flanging conical shell shape.
3. steel large-scale liquid storage tank according to claim 1, it is characterized in that, be connected tank bottom and jar the vault plate between double-curved wallboard, with the arch support truss that prolongs the tank skin circle distribution from the fluid reservoir inner support, the arch support truss is formed with adjacent arched planes framed bent assembly welding by arched planes framed bent and hound and pipe link, the arched planes framed bent is formed by bow type bar, up-and-down rod, pipe link, the hound assembly welding in the same plane, and up-and-down rod is installed the back perpendicular to ground level.
4. steel large-scale liquid storage tank according to claim 1, it is characterized in that, the vault plate of fluid reservoir adds many vertical steel pipe pillar stiffeners supports with the net shell and fixes with pull bar, there is a hemispheric steel column cap on every pillar stiffener top, the hemisphere stigma surface is welded with the one group of pull bar that radially distributes, the pull bar other end is connected respectively with a plurality of net shell nodes of vault dispersedly, and the pillar stiffener bottom is welded on the steel pedestal of horizontal fixed on the tank bottom.
5. steel large-scale liquid storage tank according to claim 1 is characterized in that, is welded with pory sieve plate between the up-and-down rod of each the adjacent belfast truss bar in the fluid reservoir, and the sieve plate upper and lower end is weldingly fixed on respectively on fluid reservoir vault and the base plate.
6. steel large-scale liquid storage tank according to claim 1, it is characterized in that, the interior floating plate of fluid reservoir is connected with the flexible floating plate plate of withstanding corrosion, anti-swelling by the hollow steel buoyancy module circle of the up-and-down rod that prolongs belfast truss with the trapezoidal cross-section of interior circumferential distribution, the inward flange of steel buoyancy module circle and the outward flange of floating plate plate overlap joint, be connected with bolted with pressing plate, whole in floating plate can in the cylindrical space that the up-and-down rod and the sieve plate of arch support truss surrounds, easily move up and down with the lifting of liquid level.
7. steel large-scale liquid storage tank according to claim 1, it is characterized in that, the up-and-down rod of fluid reservoir tank shell and jar interior each belfast truss and the annular space that sieve plate surrounds are interior with the frivolous son filling of positive triangular cone, square or spherical resistant to corrosion, the float loading keeps floating layer 2-3 and the no more than 10 layers of float of being no less than in the comparatively even stall with goods spread out on the ground for sale of the wideest section of annular space, the float size is twice above than the plate hole yardstick of sieve plate, float floats on the liquid storage surface.
8. steel large-scale liquid storage tank according to claim 1, it is characterized in that, be set with the little buoyancy module of steel of the rectangular cross section of annular arrangement between pillar stiffener in the fluid reservoir and the flexible flake floating plate plate at support column surrounding, the floating plate plate has circular port on the pillar stiffener position, the aperture is greater than the pillar stiffener diameter and less than little floating plate external diameter, and little buoyancy module is connected with pressing plate ring and bolt with the overlap joint of floating plate plate.
9. steel large-scale liquid storage tank according to claim 1, it is characterized in that, the tilting guar plate of circle distribution level is prolonged in fluid reservoir tank skin outside, steel guar plate one end bolt together at the circumferential down hand welding in tank skin outer on the shaped steel ring bar on the tank skin, other end bolt together is on concrete foundation, and guar plate slopes down to foundation surface from tank skin.
10. steel large-scale liquid storage tank according to claim 1, it is characterized in that, the central support posts top of fluid reservoir pillar stiffener respectively has the spoke of a radial distribution to draw steel rope between the arch bar top of the arc framed bent of each frame, annulus by the steel rope two ends is fixedly connected on corresponding rod end, and the degree of tightness of steel rope can be regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201040658U CN201703778U (en) | 2010-01-29 | 2010-01-29 | Hurricane and tsunami resistant tank body of large-sized steel liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201040658U CN201703778U (en) | 2010-01-29 | 2010-01-29 | Hurricane and tsunami resistant tank body of large-sized steel liquid storage tank |
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| Publication Number | Publication Date |
|---|---|
| CN201703778U true CN201703778U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201040658U Expired - Fee Related CN201703778U (en) | 2010-01-29 | 2010-01-29 | Hurricane and tsunami resistant tank body of large-sized steel liquid storage tank |
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| CN (1) | CN201703778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290573A (en) * | 2014-06-17 | 2016-02-03 | 中石化南京工程有限公司 | Welding method of medium-sized storage tank of 1000m<3>00Cr14Ni14Si4 steel |
| CN110498146A (en) * | 2019-08-26 | 2019-11-26 | 北京环境特性研究所 | A kind of nonmetallic vacuum tank of large size with low frequency high wave transmission rate |
-
2010
- 2010-01-29 CN CN2010201040658U patent/CN201703778U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290573A (en) * | 2014-06-17 | 2016-02-03 | 中石化南京工程有限公司 | Welding method of medium-sized storage tank of 1000m<3>00Cr14Ni14Si4 steel |
| CN110498146A (en) * | 2019-08-26 | 2019-11-26 | 北京环境特性研究所 | A kind of nonmetallic vacuum tank of large size with low frequency high wave transmission rate |
| CN110498146B (en) * | 2019-08-26 | 2021-06-04 | 北京环境特性研究所 | Large-scale nonmetal vacuum tank body with low frequency and high wave-transmitting rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20180129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |