噴涂安全管理——靜電噴槍

2017-05-27

  1,高壓靜電發生器接地線:
  高壓靜電發生器接地線是安全作業基本,靜電噴槍的地線也取自高壓靜電發生器,所以應確認著實接地;

  2,被涂物保持接地狀態:
  被涂物一般由輸送機接地,但吊具的接觸部分如有涂料附著時會使導電不良,被涂物帶電,易發生火花,成為火災的原因;因此要定期實施吊具附著涂料的清除;

  3,涂裝室內的金屬物體全部接地:
  涂裝室內因高電壓使噴涂機周圍的空氣離子化,不接地的金屬物體帶電后有發生火花的危險;因此在涂裝室內的噴涂機安裝臺或安全柵等金屬物質要確實連接地線。另外不使用的涂料罐、工具等金屬物體請勿放置在涂裝室內;

  注意:接地是靜電安全最重要的一個方面,所有導電項目都需要接地。

  4,作業時要空手操作靜電噴槍:
  靜電噴槍的握把部分經控制箱接地。盡管如此,如帶手套作業人體也會帶電,如接觸其他接地物體會受到電擊;所以帶手套作業時,手掌部分要開一個洞;

  5,作業時要穿皮底鞋或靜電鞋:
  涂裝室周圍的空氣離子化,如穿橡膠底或合成樹脂底的鞋,人體也會帶電,接觸接有地線的安全物體時會受到電擊;從事靜電噴涂作業時為使靜電不能滯留,須穿用靜電鞋并要經常注意勿使涂料塊附著在靜電鞋上;

  6,清洗噴嘴時必須將控制箱的電源開關關閉并將前端接地線后再進行;洗噴嘴時如發生高壓靜電,會成為火災的原因。作業中斷或作業結束時必須將電源開關關閉;

  7,清洗噴嘴時禁止使用金屬刷子:
  噴嘴時靜電噴槍的生命,如使用金屬刷子會損傷噴嘴,將不能得到均勻的噴霧狀態,所以請使用隨機附帶的毛刷;

  8,靜電噴槍本體,高壓電纜及軟管類,請勿浸泡于溶劑內;靜電噴涂機是電氣機械,隨便浸泡于溶劑內會成為故障原因;

  9,高壓電線及軟管類請勿在地上拖拉,盡量吊掛在頂棚或墻壁上(使用靜電噴槍時涂料軟管要使用橡膠軟管等絕緣體吊掛);高壓電纜線及軟管類如在地上拖拉,易使其損壞;

  10,涂裝室內需要安裝排氣裝置(通風管道、排風扇);

  11,空氣過濾器、空氣壓縮機等的冷凝水要充分排放:
  空氣內有水分時會造成噴涂不良及報警器的蜂鳴、安全回路動作,所以對水分要充分過濾并排放;

  12,噴嘴前端于被涂物工件的距離一定要保持150mm以上:
  在構造上,靜電噴涂機的噴嘴一般在接近地線時,噴嘴的電位會自動降低,但將涂料泵絕緣使用(金屬涂料、木工涂料、水溶劑涂料等電抵抗值的涂料)時,泵的電位不會降低,固有發生大的火花的可能;

  13,如使用絕緣臺時要與周圍物體相距300mm以上,需要觸摸時,要先將控制箱的電源切斷并接地后才可觸摸;電抵抗值低的涂料于電線通電一樣,接觸涂料容器時有受到電擊的危險;面向通路的場所,必須設置有接地的安全柵,避免一般作業者誤觸;

  14,為預防萬一,要常備滅火器。

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