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Large recovered oil and gas tank

A large-scale technology for oil and gas storage tanks, which is applied in the field of large-scale recycled oil and gas storage tanks. It can solve problems such as large diameter, storage tank quality defects, and processing difficulties, and achieve the effects of reducing the difficulty of pressing, easily ensuring the quality of forming, and reducing the number of welds.

Active Publication Date: 2012-06-13
南通市展成商品混凝土有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to its large diameter, large thickness and weight of more than 200 tons, large-scale recovery oil and gas storage tanks can only be manufactured on-site at the wharf. Due to the limitation of on-site processing conditions, the large-scale tanks manufactured have great technical limitations. Difficult, the manufactured storage tanks are prone to quality defects, adding difficulties to subsequent processing

Method used

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Embodiment Construction

[0022] Specific embodiment 1 of the present invention, as figure 1 As shown, a large-scale recovery oil and gas storage tank is assembled and welded by a head 1 and a cylinder 2.

[0023] The equipment head is an oval head, such as figure 2 As shown, the diameter is DN6500mm, and the thickness is 50mm. Because the diameter is too large, the forming quality is difficult to guarantee, and the transportation is difficult after the overall forming. The press-formed petals are pair-welded, and the petals are pressed by cold pressing. First, they are pressed with a blank. After forming, the scribing is cut off and the welding groove is opened. The measured geometric dimensions of each petal after forming meet the requirements of Specifies the requirements. Among them, the petals include top circular plate 11 and side plate 12, among which, there are 3 pieces of top circular plate 11 and 10 pieces of side plate 12. Because the head is assembled and welded with the cylinder after f...

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Abstract

The invention discloses a large recovered oil and gas tank, which comprises a standard elliptic end enclosure and a cylinder assembled and welded with the end enclosure to form the tank, and is characterized in that: the end enclosure is formed by assembling and welding 3 roof round plates and side plates, which are formed by cold pressing molding; the roof round plates are assembled and welded to form the top end part of the standard elliptic end enclosure; the top end part is in a partial spherical shell shape with a sphere center angle between 18 and 28 degrees; the side plates are welded on the edge of the top end part and extend to form a side edge part; 2 to 3 rib plates are welded at the weld joints of the roof round plates and the side plates, which are assembled and welded, to prevent welding deformation; and the cylinder is formed by assembling and welding cylinder joints one by one; and each cylinder joint is formed by using pressing heads of three steel plates, rolling thesteel plates, checking the curve of each steel plate petal and assembling and welding. The entire large recovered oil and gas tank has a reasonable structure, is convenient for transport and on-site processing, and has high molding quality.

Description

technical field [0001] The invention relates to a large-scale recovery oil and gas storage tank. Background technique [0002] Due to its large diameter, large thickness and weight of more than 200 tons, large-scale recovery oil and gas storage tanks can only be manufactured on-site at the wharf. Due to the limitation of on-site processing conditions, the large-scale tanks manufactured have great technical limitations. Difficulty, the manufactured storage tanks are prone to quality defects, which increases difficulties for subsequent processing. In the prior art, for example, Chinese invention patent 200710051515.4 discloses a method for the overall heat treatment of a large full-pressure oil gas recovery (LPG) carrier tank, which describes how to heat treat the tank body. This invention is to carry out follow-up treatment to the storage tank after assembly and welding, and does not describe how to manufacture a large-scale recovered oil and gas storage tank with reasonable...

Claims

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Application Information

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IPC IPC(8): B65D88/06B65D90/02B65D90/08
Inventor 李克罗晓成秦国安曾兴亮
Owner 南通市展成商品混凝土有限公司
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