Replacement and construction process of bottom plate of storage tank equipment
A technology of equipment bottom plate and construction process, which is applied in the field of construction technology for replacing the bottom plate of storage tank equipment, can solve the problems of many preparatory work, high safety risks, and many lifting operations, and achieves low labor intensity and safety risks, and simple process methods. , the effect of reducing the use of
Inactive Publication Date: 2017-12-26
MCC BAOSTEEL TECH SERVICE
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Problems solved by technology
[0003] Using the above two methods to replace the bottom plate of the storage tank not only requires a lot of preparation work in the early stage, but also requires the protective removal of all the auxiliary pipelines of the storage tank. The construction labor intensity is high, there are many lifting operations, and the safety risk is high.
At the same time, during the lifting or jacking process of the tank body, its deformation is difficult to control, and it is difficult to guarantee the installation quality of the tank body
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[0041] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.
[0042] It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual impleme...
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Abstract
The invention provides a replacement and construction process of a bottom plate of storage tank equipment. The replacement and construction process comprises the following steps of (1) prefabricating a bottom plate: prefabricating first to Nth bottom plate unit assemblies, wherein N is larger than or equal to 2; (2) forming a door type opening in the lower part of the side wall of a storage tank; (3) reserving a circle of bottom plate, which is connected to the inner wall of the storage tank, of an original bottom plate, and cutting and removing residual bottom plates; (4) cutting a part, which corresponds to the radian of the first bottom plate unit assembly, in the circle of bottom plate which is reserved, and installing the first bottom plate unit assembly; (5) sequentially installing the second to Nth bottom plate unit assemblies by adopting a method for installing the first bottom plate unit assembly; (6) welding the bottom plate; and (7) detecting the welded bottom plate. According to the process, the bottom plate can be directly replaced without moving the upper part of the storage tank equipment, the process is simple, affiliated pipelines of the storage tank do not need to be protectively removed, the labor intensity and the safety risk are low, and the use of hoisting equipment is reduced during replacement.
Description
technical field [0001] The invention relates to a technology for maintaining storage tanks, in particular to a construction technology for replacing the bottom plate of storage tank equipment. Background technique [0002] The replacement of the bottom plate of vertical storage tank equipment is currently mainly implemented in the following two ways: 1) For small tanks, use large-scale lifting machinery to directly lift the entire upper tank from its original position; 2) For medium and large storage tank equipment, then It is necessary to make a special synchronous jacking device to lift the whole tank up for a certain distance, and then replace the bottom plate. [0003] Using the above two methods to replace the bottom plate of the storage tank not only requires a lot of preparation work in the early stage, but also requires the protective removal of all the auxiliary pipelines of the storage tank. The construction labor intensity is high, there are many lifting operation...
Claims
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IPC IPC(8): B23P15/00
CPCB23P15/00B65D88/00
Inventor 贾胜利邓朝建刘友春
Owner MCC BAOSTEEL TECH SERVICE