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Assembly method of shirt support and spherical shell plate of 1000m<3> nitrogen spherical tank

An assembly method and technology of spherical shell plates, which are applied in fixed-capacity gas storage tanks, gas/liquid distribution and storage, arc welding equipment, etc., to achieve the effect of reducing the total cost of installation, reducing operation and maintenance costs, and improving safety

Inactive Publication Date: 2012-07-04
SHANGHAI INST OF SPECIAL EQUIP INSPECTION & TECHN RES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Due to the rapid development of material technology, the strength level is getting higher and higher, and the possibility of manufacturing large-scale spherical tanks is increasing. The existing large-scale spherical tanks (1000m 3 or 1000m 3 The above) generally adopt the pillar-supported orange segment or hybrid spherical shell plate, which still has certain limitations in saving materials and improving the stability of the spherical tank.

Method used

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  • Assembly method of shirt support and spherical shell plate of 1000m&lt;3&gt; nitrogen spherical tank
  • Assembly method of shirt support and spherical shell plate of 1000m&lt;3&gt; nitrogen spherical tank
  • Assembly method of shirt support and spherical shell plate of 1000m&lt;3&gt; nitrogen spherical tank

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Embodiment Construction

[0035] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0036] Technical parameters of the spherical tank

[0037] content

[0038] Spherical tank process parameters:

[0039] 1) The groove form adopts an asymmetrical X shape, and the large groove of all butt welds of the spherical tank is inside the outer small groove. The specific dimensions are as follows: figure 1 shown.

[0040] 2) Spherical tank with weight

[0041] name

[0042] 3) The geometric ...

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Abstract

The invention relates to an assembly method of a shirt support and a spherical shell plate of a 1000m<3> nitrogen spherical tank, which comprises the steps of: assembling bulk spherical tanks; setting up an inner scaffold and an outer scaffold; installing and welding a positioning block; manufacturing and installing a ladder and a platform; preheating before the welding; welding lifting points; assembling the spherical tanks; dismantling the scaffolds and the positioning block; and thermally treating the whole spherical tank. The invention increases the stress area of supporting the sphericaltank, also reduces the stress concentration of fillet welds in contact with uprights, and has uniform stress, good stability and reliable connection. The quantity of the spherical shell plates is reduced to 18, which reduces the workload for the manufacture of the spherical tank. The invention increases the quality of the whole spherical tank, improves the safety factor of the operation of the spherical tank, greatly lowers the total installation cost, remarkably enhances the safety of the spherical tank, prolongs the service life of the spherical tank, and decreases the operation and maintenance cost of the spherical tank.

Description

technical field [0001] The invention belongs to the technical field of welding engineering, in particular to a 1000m 3 The invention relates to an assembly method of a spherical shell plate and a skirt of a nitrogen balloon tank. Background technique [0002] Spherical tanks are widely used in urban public and civil industries (city natural gas, liquefied petroleum gas), metallurgical industries (oxygen, nitrogen, argon), chemical industries (many Flammable, explosive, toxic chemical products) and other industries. [0003] Due to the rapid development of material technology, the strength level is getting higher and higher, and the possibility of manufacturing large-scale spherical tanks is increasing. The existing large-scale spherical tanks (1000m 3 or 1000m 3 The above) generally adopt pillar-supported orange segment or hybrid spherical shell plate, which still has certain limitations in saving materials and improving the stability of the spherical tank. The full foot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C1/00B23K9/00
Inventor 罗晓明杨惠谷杨蓉遵孙明李显峰邢成锋
Owner SHANGHAI INST OF SPECIAL EQUIP INSPECTION & TECHN RES
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