Construction process for lower component of seaborne booster station

Abstract

The invention discloses a construction process for a lower component of a seaborne booster station. The construction process comprises the following steps: (1) blanking of a steel plate according to a copy map; (2) scribing and groove cutting; (3) manufacture of a steel tube pile, a horizontal stay bar and an oblique stay bar; and (4) gathered welding of the steel tube pile, the horizontal stay bar and the oblique stay bar. All the sections are horizontally built at first and then vertically welded in a gathered manner, the construction process is clear in order, the construction efficiency is greatly improved, the supporting stability of the lower component is guaranteed, and long-term maintenance of the seaborne booster station is guaranteed. The steel tube pile comprises a vertical part and an inclined part inclined inwards, so that the supporting performance of the lower component is greatly improved, the probability of inclination is low, and the demands on edge rolling and cutting are high. As submerged-arc welding is adopted, the welding quality is stable, the welding productivity is high, arc light is less, and soot is less. The welding margin is reasonably reserved to guarantee the welding quality and the welding accuracy, the supporting performance of the lower component is greatly improved, and the whole seaborne booster station has a certain stability.

Description

Technical field [0001] The invention belongs to the field of marine transportation and manufacturing, and in particular relates to a construction process of a lower assembly of a marine ascending pressure station. Background technique [0002] With the huge consumption of fossil energy and serious environmental pollution, renewable energy has received more and more attention from all over the world. Wind energy has become one of the most competitive new energy sources. Compared with onshore wind power, offshore wind power is not only Occupying land resources, with abundant energy, stable output, and high utilization rate, has become the new direction of world wind power development. At present, most of the offshore wind power under construction in my country is 10-30km offshore, and the planned capacity of the project is 200-300kw. It is generated by a group of 3mw-6mw offshore wind turbines, and is concentrated to the sea booster station through the submarine cable power collect...

AI Technical Summary

Problems solved by technology

[0003] The lower component plays a supporting role for the entire offshore booster station, so the requirements for the rolling, cutting, welding, fabrication and closing of the lower component are very strict. When the lower component of the traditional offshore booster station is constructed, there are the following disadvantages: Due to the large structure of the lower component, the overall construction of the lower component is more difficult, time-consuming and labor-intensive, the steps are complicated and messy, and the requirements for rounding and cutting are low during construction, the welding is unstable, and the welding quality is poor, which greatly weakens the The connection accuracy and support of the lower components bring certain instability to the entire offshore booster station

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