CN201531741U - Cylinder-shaped dry-type gasometer top cap - Google Patents
Cylinder-shaped dry-type gasometer top cap Download PDFInfo
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- CN201531741U CN201531741U CN2009201803488U CN200920180348U CN201531741U CN 201531741 U CN201531741 U CN 201531741U CN 2009201803488 U CN2009201803488 U CN 2009201803488U CN 200920180348 U CN200920180348 U CN 200920180348U CN 201531741 U CN201531741 U CN 201531741U
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- warp
- top cover
- bar
- wise
- rods
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Abstract
The utility model discloses a cylinder-shaped dry-type gasometer top cap, which is a spherical shell composed of n steel radial main rods (1), a radial secondary rods (4), n latitudinal rods (2), cap plates (3) and ring-shaped boundary beams. Each radial main rod (1) is arranged on a position corresponding to each column of the gasometer barrel, the latitudinal rods (2) are arranged along latitudinal rings of the top cap, the ring-shaped boundary beams are arranged on the edges of the top cap; each of the radial main rods (1), the radial secondary rods (4) and the latitudinal rods (2) has a stiffening rib structure; each cap plate (3) is arranged between neighboring two radial main rods (1) and two latitudinal rods (2); several radial secondary rods (4) are arranged on each cap plate (3), those components form the shallow spherical shell steel structure top cap of the stiffening rib system. The top cap has advantages of reasonable force-bearing, material-saving, large stiffness, obviously improved safety, convenient and reliable installation, and obvious economic benefit.
Description
Technical field
The utility model relates to waterless gas-holder.The top cover that particularly relates to cylindrical shape waterless gas-holder (thin oil seal or rubber curtain sealing).
Background technique
Cylindrical shape thin oil seal waterless gas-holder (having person to be the P.O.C cabinet) top cover generally is the spherical top cover through broadwise bar, cover plate and annular side bar composition of n steel.Domestic way will be called skeleton through the broadwise bar as stressed member basically at present, and cover plate is only as fender member, and this structural system is called latticed shell structure.Generally forming of prior art by warp-wise main framing, warp-wise time skeleton and broadwise skeleton through broadwise skeleton (net shell).The quantity of warp-wise main framing is identical with the column quantity of gas holder cylindrical housing, is generally channel-section steel.Broadwise skeleton quantity is circular layout by calculating decision, generally also is channel-section steel.Also have the more warp-wise of number time skeleton between two adjacent warp-wise main framings and two broadwise skeletons, its quantity ecto-entad gradually reduces.Be generally angle steel.During construction, all skeletons all are field-installed in the high-altitude.After all the skeleton assembling finishes, re-lay cover plate.Lay a cover plate between per two warp-wise skeletons (being regardless of primary and secondary) and two broadwise skeletons.If j warp-wise time skeleton is arranged in the middle of two broadwise skeletons, will lay j+1 piece cover plate so.Outward edge at top cover is annular side bar, and the side bar cross section of prior art is the Γ tee section that two boards is formed, and plate and top cover limit portion above the Γ tee section are tangent, and a plate below the Γ tee section is vertical setting.Ring beam side bar and gas holder circular cylindrical shell still have the spacing about 200mm.These ways have followed basically that Baosteel introduces swells (
) way of type chest top cover.
The top cover of prior art has following shortcoming:
1, existing top cover is a latticed shell structure, does not consider the structure of cover plate effect.The cylindrical shape thin oil seal chest top cover cover plate of present domestic design mostly is 3 or the steel plate of 3.5mm, is difficult to play structure function.On the other hand, consider that by present NBS, cover plate must reach 4mm just can be directly as conductor, do not need to add in addition and draw the thunder facility from the angle of lightning protection.Even if do not consider the structure of cover plate effect,, certainly will to increase the cross section of net shell rod member (being the skeleton rod member) for guaranteeing the safety of top cover.Calculating shows, improves the rigidity of top cover, DeGrain with the method in the cross section of single increase skeleton rod member.Also to increase simultaneously and draw the thunder facility, cause the dual waste of material.
2, the top cover of prior art, they are all through the broadwise skeleton, and the primary and secondary skeleton all is the assembling of on-the-spot high-altitude, and then lays cover plate.The quantity of cover plate is a lot, and installation merit preface is many, and the high-altitude welding capacity is big, and especially wherein Yang Han amount is very big.
3, the Γ cross section of annular side bar is meeting the demands with its rigidity after barrel shrond is connected and intensity.But in the process of construction, it will with the shell synchronization of jacking up, and no small spatial separation is arranged with shell, its torsional rigidity is very poor, add interim reinforcement measure, otherwise distortion is difficult to control.Increased difficulty of construction.When top cover rose to designed elevation, the column cap of cylindrical shell column is varied cross section and increase part separately, to fill up the spatial separation of top cover and cylindrical shell.
The model utility content
The purpose of this utility model is to overcome the shortcoming that exists in the above-mentioned prior art, and a kind of easy for installation, materials consumption is few, rigidity is big and intensity is high novel cylindrical shape waterless gas-holder top cover is provided.
For realizing described order, the spherical shell that the utility model cylindrical shape waterless gas-holder top cover is made up of warp-wise mobile jib, warp-wise time bar, broadwise bar, cover plate and the annular side bar of n steel, every warp-wise mobile jib is located at and the corresponding orientation of gas holder cylindrical shell column, the broadwise bar is circular layout along the broadwise of top cover, and annular side bar is located at the outer rim of top cover.Its structure outline is: all warp-wise mobile jibs, warp-wise time bar and broadwise bar are stiffening rib structure; Every cover plate all is located between adjacent two warp-wise mobile jibs and two the broadwise bars; Several warp-wises time bar is arranged on the every cover plate, and these members have formed the shallow spherical shell steel structure top cover of the housing system of putting more energy into together.
The warp-wise that is provided with on every cover plate time bar quantity is progressively reduced outside to inside by top cover.The cross section of annular side bar is the H shape of traverse, is made up of 3 doughnut-shaped steel plates around one week of gas holder cylindrical shell, and its outside is close to the cylindrical shell inboard.
The utility model top cover is the shell structure of putting more energy into, rather than latticed shell structure.Be the part of cover plate, only as the system of putting more energy into of cover plate, therefore should will be called stiffening rib through the broadwise bar through the broadwise bar as force structure.The layout of stiffening rib of the present utility model is the same substantially with prior art, also arranges through broadwise.Warp-wise mobile jib and whole broadwise bar are assembled in the high-altitude.But because the utility model top cover is thought of as the shell structure of putting more energy into, therefore in principle through the broadwise bar if with cover plate have reliable be connected just passable.Therefore warp-wise time bar can be welded on the cover plate on the ground in advance, and the cover plate that then this piece is welded with warp-wise time bar lifts and toply welds with warp-wise mobile jib and broadwise bar.
The utility model top cover compared with prior art its advantageous effect is as follows:
1, because top cover is thought of as the shell structure of putting more energy into, cover plate is considered as important structural member, the thickness of its cover plate slightly increases, and calculates to show that for the top cover about diameter 70m the plate that 4mm is thick just can meet the demands.Though cover sheet thickness slightly increases, the cross section of corresponding stiffening rib can be reduced greatly, and the integral rigidity of top cover can increase substantially.The increase of cover plate thickness of slab has improved the anticorrosive and anti-thunder ability of cover plate, can cancel and draw the thunder facility, has improved the service life and the margin of safety of structure.Overall efficiency is better than prior art.The total steel using amount of top cover is on the contrary less than prior art.
2, warp-wise time bar in ground and cover plate welding, can reasonably be selected the reasonable combination cross section of stiffening rib and cover plate as the system of putting more energy into like this, fully plays the structure effect of material, increases the bending resistance of top cover.Not only reduce materials consumption, also reduced a large amount of aloft work amounts, particularly reduced a large amount of overhead welding.Installation efficiency and quality have been improved.
Although 3, the annular side bar of cross section H shape is slightly larger than the annular side bar that the cross section is a Γ shape in materials consumption.But its rigidity and intensity will significantly be much higher than the latter.This all is favourable to the bearing capacity that improves top cover and even whole gas holder.Dry gasholder all is the method for construction that adopts top cover and sidewall (being cylindrical shell) synchronization of jacking up at present, annular side bar is close on the column, annular side bar column and cylindrical shell that rigidity is big are favourable constraints, can limit the distortion of cylindrical shell effectively, improve the installation precision of cylindrical shell.And the size of cylindrical shell precision is one of key factor that influences piston up-down.The increase of a little material is useful.Moreover this part ring beam can be used as the part of cylindrical shell, has reduced the material of cylindrical shell.When annular side bar is raised to designed elevation, can directly be connected with column, the cross section of column remains unchanged, and convenient construction is saved operation and material.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the utility model cylindrical shape dry gasholder top cover schematic representation;
Fig. 2 is the A-A sectional drawing of top cover shown in Figure 1;
Fig. 3 is the schematic representation of the annular side bar of the utility model top cover.
Embodiment
See figures.1.and.2, the spherical shell that the utility model cylindrical shape dry gasholder top cover is made up of warp-wise mobile jib 1, warp-wise time bar 4, broadwise bar 2, cover plate 3 and the annular side bar 5 of n steel, every warp-wise mobile jib 1 is located at and the corresponding orientation of gas holder cylindrical shell column, broadwise bar 2 is circular layout along the broadwise of top cover, and annular side bar 5 is located at the outer rim of top cover.All warp-wise mobile jibs 1, warp-wise time bar 4 and broadwise bar 2 are stiffening rib structure; Every cover plate 3 all is located between adjacent two warp-wise mobile jibs 1 and two the broadwise bars 2; Several warp-wises time bar 4 is arranged on the every cover plate 3, and its quantity is progressively reduced outside to inside by top cover.These members have formed the shallow spherical shell steel structure top cover of the housing system of putting more energy into together.
The utility model cylindrical shape dry gasholder top cover installation process is as follows: assembled at the scene by n warp-wise mobile jib 1 and several broadwise bars 2, warp-wise mobile jib 1 and broadwise bar 2 are generally channel-section steel in advance.Warp-wise time bar 4 is generally angle steel, warp-wise time bar 4 can be gone ahead of the rest and is welded on the ground on the cover plate 3, and upset then lifts on warp-wise mobile jib 1 and the broadwise bar 2 (the both sides of the cover plate 3 vertical with warp-wise time bar 4 again, add interim mounting rail, guarantee the integral rigidity of big plate).The angle steel of noting warp-wise time bar 4 is with acropodium and cover plate 3 welding, and the bending resistance in cross section improves greatly like this.The bearing capacity of whole top cover 3 also improves greatly, so the cross section of all stiffening ribs can reduce.And the angle steel of warp-wise time skeleton is to be connected at the limb back with cover plate in the prior art, and the flexural rigidity in this cross section obviously will be lower than the utility model.And every cover plate will weld at the scene, and it is overhead welding that half welding is wherein arranged.
Fig. 3 is the schematic representation of the annular side bar 5 of the utility model top cover.Annular side bar 5 is by 3 H shape ring beams of forming around gas holder cylindrical shell one all annular steel plate a, b, c.In addition, gusset plate d is set for connecting the warp-wise stiffening rib on annular side bar 5; At cylindrical shape dry gasholder column 6 places two independently dull and stereotyped e, f being set uses for the equipment that connects the jacking top cover.The inboard of column 6 is close in the outside of annular side bar 5, and this moment, whole top cover can be used as the constraint and the reliable object of reference of column 6, and is very effective to the installation precision that improves cylindrical shell.When top cover rises to designed elevation, just can directly annular side bar 5 and column 6 be coupled together with bolt 7, very convenient.Doughnut-shaped steel plate a can be used as the part of cylindrical shell.
The advantage of the utility model top cover is: 1. structure stress is reasonable, not only can save about 10% steel than the top cover of prior art, and rigidity, degree of safety and service life all are greatly improved. 2. easy for installation, not only reduce workload, improve work efficiency, and can improve the installation accuracy of gas holder integral body.
Claims (2)
1. cylindrical shape waterless gas-holder top cover, the spherical shell of forming by the warp-wise mobile jib (1) of n steel, warp-wise time bar (4), broadwise bar (2), cover plate (3) and annular side bar (5), every warp-wise mobile jib (1) is located at and the corresponding orientation of gas holder cylindrical shell column (6), broadwise bar (2) is circular layout along the broadwise of top cover, annular side bar (5) is located at the outer rim of top cover, it is characterized in that: described warp-wise mobile jib (1), warp-wise time bar (4) and broadwise bar (2) are stiffening rib structure; Described every cover plate (3) all is located between adjacent two the warp-wise mobile jibs (1) and two broadwise bars (2); Several warp-wises time bar (4) is arranged on the every cover plate (3), and these members have formed the shallow spherical shell steel structure top cover of the housing system of putting more energy into together.
2. cylindrical shape waterless gas-holder top cover according to claim 1 is characterized in that: the quantity that goes up the warp-wise time bar (4) that is provided with at described every cover plate (1) is progressively reduced outside to inside by top cover (3); The cross section of described annular side bar (5) is the H shape of traverse, is made up of 3 doughnut-shaped steel plate (a) and (b) around one week of gas holder cylindrical shell, (c), and its outside is close to the cylindrical shell inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201803488U CN201531741U (en) | 2009-11-05 | 2009-11-05 | Cylinder-shaped dry-type gasometer top cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201803488U CN201531741U (en) | 2009-11-05 | 2009-11-05 | Cylinder-shaped dry-type gasometer top cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201531741U true CN201531741U (en) | 2010-07-21 |
Family
ID=42527145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201803488U Expired - Lifetime CN201531741U (en) | 2009-11-05 | 2009-11-05 | Cylinder-shaped dry-type gasometer top cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201531741U (en) |
-
2009
- 2009-11-05 CN CN2009201803488U patent/CN201531741U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |
|
| CX01 | Expiry of patent term |