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Lower pipeline reinforcing device and method for replacement of cylinders of turbine

A technology of reinforcement device and steam turbine, which is used in shearing devices, accessories of shearing machines, metal processing equipment, etc., can solve the problems of cumbersome reinforcement channel steel process, high misalignment rate, and inability to accurately group and match, so as to save the process. , The structure is simple, the effect of preventing subsidence and ectopic

Pending Publication Date: 2020-01-24
POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can solve the problem of inaccurate assembly and high misalignment rate when the lower pipe is cut after cutting the lower pipe when replacing the cylinder block of the steam turbine, and can also avoid the problem of secondary cutting of reinforced channel steel and cumbersome procedures

Method used

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  • Lower pipeline reinforcing device and method for replacement of cylinders of turbine

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[0037] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0038] It should be noted that the terminology used here is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0039] Such as figure 1 As shown, a pipe strengthening device for replacing the lower part of the cylinder block of a steam turbine inc...

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Abstract

The invention discloses a lower pipeline reinforcing device and method for replacement of cylinders of a turbine. The lower pipeline reinforcing device comprises at least two transverse beams, at least two longitudinal beams and a clamping device, wherein the transverse beams and the longitudinal beams are crossed to define a channel for accommodating a pipeline, and the distance between the transverse beams which are oppositely arranged or the distance between the longitudinal beams which are oppositely arranged is equal to the outer diameter of the pipeline. The clamping device is fixed to the transverse beams or / and the longitudinal beams, is coaxial to the channel, and is used for applying annular clamping force to the pipeline. By means of the lower pipeline reinforcing device and method, the problems that when the high-medium-pressure cylinders of the turbine are replaced, after a lower pipeline is cut, during back-installation, precise assembly cannot be achieved, and the staggering rate is high can be solved, and the problem that reinforced groove steel is cut for the second time, and the working procedures are complicated can also be solved.

Description

technical field [0001] The invention belongs to the technical field of pipeline reinforcement, and in particular relates to a pipeline reinforcement device and a reinforcement method for replacing a cylinder block of a steam turbine. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] In recent years, with the rapid development of my country's economy, the demand for electricity is increasing. At present, 300MW units account for more than 30% of my country's total installed capacity. Many of the 300MW units in service were built in the early 1980s. These units have been put into operation for a long time, and generally have problems such as poor thermal performance and low re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D33/02
CPCB23D33/02
Inventor 武增光邵德川郭琳韩善响马全
Owner POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
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