1. <pre id="dbtbd"></pre>
      精品国产免费一区二区三区香蕉,久久国产乱子精品免费女,av午夜福利一片免费看久久,精品国产午夜福利在线观看,日本久久99成人网站,日本不卡一区二区三区在线,全国最大成人网,国产精品一二二区视在线
      建虎網 節省時間成本,讓工作學習變得更高效!www.hanshuaijie.cn

      電焊、風割焊作業安全技術交底.doc

      更新時間: 2024-03-01
      下載權限: 免費會員
      文件大小: 0.02 MB
      文件類型: .doc
      瀏覽次數:
      上傳會員: 龍龍
      所屬欄目: 安全文明
      進入下載頁
      資料簡介

      1、 電焊、氣焊工必須持特種作業證上崗,施焊作業必須辦理動火手續
      2、 電焊機外殼必須接地良好,要有觸電保護器,電源的拆裝應由電工完成,電焊機要設單獨的開關,開關應在防雨的開關箱內,電焊機要有防雨措施,
      3、 焊鉗與把線必須絕緣良好,連接牢固更換焊條要戴手套,在潮濕地點工作應站在絕緣膠板或木板上。
      4、 施焊場地周圍應清除易燃易爆物品,或進行覆蓋、隔離、并在施焊部位配備滅火器材,必須在易燃易爆氣體或液體擴散區施焊時,應經有關部門檢試許可后,方可施焊。
      5、 乙炔氣瓶必須裝減壓閥和防回火裝置,乙炔氣瓶與氧氣瓶之間距離不得小于5m,嚴禁平放,嚴禁曝曬,距易燃易爆物品和明火的距離不得小于10m,檢驗是否漏氣,要用肥皂水嚴禁用明火,氧氣瓶、氧氣表及焊割工具上嚴禁沾染油脂,氣瓶的購、運、儲存和領用必須嚴格執行公安部門的有關規定。
      6、 點火時,焊槍口不準對人,正在燃燒的焊槍不得放在工件或地面上,帶有乙炔和氧氣時,不準放在金屬容器內,以防氣體逸出發生燃燒事故。
      嚴禁在帶壓力的容器管道上施焊,焊
      1, welding, gas welding to hold special work permit for employment, facilities must apply for hot work procedures for welding operations
      2, welding enclosure must be well grounded, have electric shock protection, electrical power should be complete disassembly and assembly, welding machines to set up a separate switch, the switch should be in the rain in the switch box, electric welding machine to have rain measures
      3, electrode holder and the wire insulation must be good, reliable connection, replace the electrode to wear gloves, place of work should be standing in the wet insulation or wood on a plastic sheet.
      4, the weld should be clear space around the inflammable and explosive materials, or cover, isolation, and in the weld area is equipped with fire fighting equipment, flammable gas or liquid to be spread in the weld area should be seized by the relevant trial license only after the welding operation.
      5, acetylene cylinder valve must be installed and anti-tempering equipment, acetylene cylinders and oxygen cylinders shall not be less than the distance between the 5m, is strictly prohibited flat, non-exposure, and open flame away from flammable substances shall not be less than the distance 10m, testing whether the leak, use soapy water on open fires is prohibited, oxygen bottles, oxygen welding and cutting tools on the table and non-contaminated oil, gas cylinders of purchase, transport, storage and requisitioned to strictly enforce the relevant provisions of the public security department.
      6, ignition, the torch exit are not allowed on the people, shall not be placed on the burning torch on the workpiece or the ground, with acetylene and oxygen, are not allowed on the metal containers to prevent escape of gas burning accident occurred.
      Containers are prohibited in the pipe with pressure applied welding, welding
       

      下載地址

      前往下載

      主站蜘蛛池模板: 91熟女系列| 好吊色欧美一区二区三区视频| 成人在线观看网址| av午夜福利一片免费看久久| 天堂中文字幕观看| 91精品国产91久久久无码色戒| 无码日韩精品一区二区三区免费| 奇米精品视频一区二区三区| 亚洲精品国模一区二区| 天天躁日日躁狠狠躁性色69| 亚洲国产黑色丝袜天堂 | 日本亚洲一级中文字幕| 日产精品一区二区三区免费| 老司机亚洲精品一区二区| 亚洲综合成人婷婷五月网址| 亚洲中文字幕在线观看| 亚洲成在线aⅴ免费视频| 欧美成人精精品一区二区三区| 国产在热线精品视频国产一二| jizzjizzjizzjizz| 亚洲国产精品久久久久婷婷图片| 久久夜色撩人精品国产小说| 色图网免费视频在线观看十八禁 | 色综合天天综合网国产| 日本黄色三级片网站| 日韩精品一卡二卡三卡在线| A片地址| 免费网站观看www在线观| 亚洲精品欧美综合二区| 人妻 日韩精品 中文字幕| 337p日本欧洲中国大胆精品| 亚洲av永久无码一区二区三区| 成人AV毛片| 日韩,制服,变态,综合,中文,人妻| 韩国精品一区二区三区四区| 亚洲日韩中文字幕天堂不卡| 在线无码精品秘 在线观看| 大胸美女吃奶爽死视频| 亚洲av成人无码精品电影在线| 亚洲永久无码7777kkk| 性色av极品无码专区亚洲|