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Recently, the main body of the large extruder of the 300,000-ton/year EVA plant of Gulei Refining & Chemical Co.
, Ltd.
constructed by the Tenth Construction Company of Refining and Chemical Engineering Group was completed, and the key node of the plant was completed
.
It is understood that the extrusion granulator is the core equipment of the EVA device, which mainly includes auxiliary equipment such as the main motor, gear box, main extruder, pelletizer, side arm extruder and its lubricating oil system
.
The project department coordinated with the owner, supervisor, general contractor, and manufacturer to rationally arrange the lifting sequence, actively coordinate human and machine resources, and complete the installation tasks of the mechanical part of the extruder in a safe and high-quality manner
During the construction process, because the screw rod of the extruder needs to be removed before installation, the heat exchanger, switch valve and other parts behind the 6D section, the project technicians and fitters made temporary tooling in advance to solve the problem of removal before installation
.
As the main body of the extruder has many sections, the project department dispatched experienced fitters to carry out the construction.
When the equipment is in place, the level gauge is used to strictly control the elevation and straightness of each section
.
When using the manufacturer's optical straightening instrument for fine alignment, the pre-deflection value of the bolts between each segment is accurately estimated, leaving a margin for bolt tightening, and the barrel alignment work is completed efficiently and accurately
Through the unremitting efforts of the employees, the installation of the main body of the extruder of the Shijian Gulei Refining & Chemical EVA unit was successfully completed, creating conditions for the pipe piping and the steel structure capping of the 700-zone extrusion unit of the EVA unit
(Wang Lixue)
