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gao ya guan xian de han jie
Author(s): 
Pages: 40
Year: Issue:  6
Journal: Welding Technology

Keyword:  注水泵焊接电源手工电弧焊交流弧焊机注水站高压管原油稳定增压泵焊接材料焊接电流;
Abstract: <正> 在油田生产建设中,为保持原油稳定高产,提高产量,相应采用3H-8/450型高压注水泵、3Z-8/450型增压泵、5ZB1137/170型五栓塞高压注水泵向地层注水加压;因而泵站、注水站都要相应的安装铺设管径不等的高压管线。施工中,主要的焊接方法为手工电弧焊。 1 焊接电源与焊接材料焊接电源采用BX-500交流弧焊机,选用φ3.2、4.0、5.0mmJ506焊条。焊前焊条需经300~360℃烘干2h后保温,随用随取。高压管线的
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