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A construction method for a double-layer storage tank with a flat ceiling on the inner tank

A double-layer storage tank and construction method technology, which is applied in the direction of building types, buildings, large-capacity bulk material storage, etc., can solve the problems of difficulty in transporting inner tank materials back into the tank, greater impact on project progress, and difficult construction, etc. Achieve the effect of reducing the amount of secondary installation and dismantling, improving the safety factor and shortening the construction period

Active Publication Date: 2018-05-11
CHINA NAT CHEM ENG THIRD CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing construction technology, the traditional storage tank inversion technology is often used, that is, the method of inverting the outer tank first, then the inner tank is constructed one by one, and finally the inner tank is constructed with a flat ceiling. The construction is difficult and the construction efficiency is high. Low, long construction period, greater impact on project progress, and at the same time, there are great difficulties in transporting inner tank materials into the tank

Method used

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  • A construction method for a double-layer storage tank with a flat ceiling on the inner tank
  • A construction method for a double-layer storage tank with a flat ceiling on the inner tank
  • A construction method for a double-layer storage tank with a flat ceiling on the inner tank

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Embodiment Construction

[0031] Below in conjunction with the accompanying drawings, the present invention will be further described by describing the embodiments:

[0032] like figure 1 , 2 , 3, a construction method of a double-layer storage tank with a flat ceiling in the inner tank top of the present invention, including the construction of the inner and outer tank bottom plates, the construction of the inner tank flat ceiling 3, the outer tank dome top plate 4 and the inner tank wall plate 5. The construction of the outer tank wall panel 6 includes the following steps:

[0033] 1), cutting, prefabricating the inner and outer tank bottom plate, inner tank wall plate 5, outer tank wall plate 6, inner tank flat ceiling 3, outer tank dome roof plate 4 and parts.

[0034] 2) Assemble the bottom plate of the outer tank.

[0035] 3) After the outer tank bottom plate is assembled, prefabricate the inner tank flat ceiling 3 on the outer tank bottom plate, and then install the outer tank wall plate 6 on...

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PUM

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Abstract

The invention discloses a construction method for a double layer storage tank with a flat suspended ceiling as an inner tank roof. The method comprises following steps: installation of an inner tank top ring wallboard, a flat suspended ceiling and an outer tank dome; simultaneously upside down lifting of the inner tank flat suspended ceiling, inner tank top ring wallboard and the outer tank dome; after the installation of the inner tank wallboard is finished, the outer tank wallboard is inversely mounted in order; after the construction of a thermal insulation layer between the inner tank base plate and the outer tank base plate is finished, an inner tank base plate is paved. By means of the construction method, the construction efficiency is effectively increased, the construction period is shortened, the difficulty for dumping and transferring the material in the inner tank is reduced, and construction cost is reduced.

Description

technical field [0001] The invention relates to an installation technology of a double-layer storage tank, in particular to a construction method of a double-layer storage tank with a flat ceiling in the inner tank. Background technique [0002] Double-layer storage tanks are widely used in the storage of cryogenic liquids such as liquid oxygen, liquid nitrogen, liquefied petroleum gas and ethylene. The general design structure of large-scale low-temperature double-layer storage tanks is a flat ceiling structure, the outer tank is a vault structure, and the inner tank is a flat-top structure. High difficulty. [0003] In the existing construction technology, the traditional storage tank inversion technology is often used, that is, the outer tank is constructed by flipping first, then the inner tank is constructed one by one, and finally the inner tank is constructed with a flat ceiling, which is difficult to construct and efficient in construction. The construction period ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04H7/02E04H7/04
CPCE04H7/02E04H7/04
Inventor 王泳文
Owner CHINA NAT CHEM ENG THIRD CONSTR
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