角钢喷锌线图片工艺及要求
温度
加温到200℃左右时,即可上整理线喷锌机进行喷锌处理。喷锌温度不宜过高,温度过高锌涂层容易发黄,温度太低时,会影响涂层与管子外壁的粘附效果,使附着力、沉积率降低。
材料
采用电喷锌工艺,锌丝的纯度(质量分数)不低于99%,或是采用铝丝变可采用铜丝(青铜、紫铜、黄铜)根据需要可自行决定工艺要求。喷涂之后亦可以喷底漆再加漆以便达重防腐要求
涂覆方法
锌涂层采用热喷锌工艺,管径80-1000mm一般采用双喷枪单侧喷涂,管径1000mm以上一般采用四喷枪双侧喷涂。喷涂时采用低压大电流电源,将锌丝加热到熔融状态,借助压缩空气,将熔融状态的锌雾化,并以微滴装喷射到管壁上。
涂层要求
锌涂层应覆盖整个钢管外壁,无斑点及粘着不牢等缺陷,锌涂层单位面积重量平均不小于230g/平方米,局部小值应不小于210g/平方米。
防腐效果
在室外或水下的情况下防腐效果在30年以上,室内可达到50年以上。
角钢喷锌线图片
角钢喷锌线视频
优酷
喷涂机:http://v.youku.com/v_show/id_XNzAxNzE2MzI4.html
http://v.youku.com/v_show/id_XNjY0MzE2MjI0.html
收口机:http://v.youku.com/v_show/id_XNzAxNzE1Mjky.html
除锈机:http://v.youku.com/v_show/id_XNjg2ODE3OTcy.html
土豆
喷涂机:http://www.tudou.com/programs/view/bYjCWBUshWs/
http://www.tudou.com/programs/view/IprzFtVdpHI/
搜狐视频
喷涂机:http://my.tv.sohu.com/us/204681792/68015951.shtml
http://my.tv.sohu.com/us/204681792/67624794.shtml
http://my.tv.sohu.com/user/video/list.do?page=1
收口机:http://my.tv.sohu.com/us/204681792/68015972.shtml
除锈机:http://my.tv.sohu.com/us/204681792/67625522.shtml
腾讯视频:
喷涂机:http://v.qq.com/boke/page/l/x/0/l01275d4ix0.html
http://v.qq.com/boke/page/q/m/y/q0127kwlxmy.html
http://v.qq.com/boke/page/l/d/y/l0127bu2ady.html
收口机:http://v.qq.com/boke/page/s/u/3/s0127caqau3.html
除锈机:http://v.qq.com/boke/page/q/r/v/q012624cgrv.html
喷涂机:http://v.qq.com/boke/page/h/s/h/h0127w160sh.html
http://v.qq.com/boke/page/k/a/a/k01274qa3aa.html
http://v.qq.com/boke/page/c/t/n/c0127li8itn.html
收口机:http://v.qq.com/boke/page/e/j/3/e0127p3wxj3.html
除锈机:http://v.qq.com/boke/page/t/u/r/t0127s4w3ur.html
喷涂机:http://v.qq.com/boke/page/l/o/x/l0127ohqlox.html
http://v.qq.com/boke/page/b/e/p/b01275rd7ep.html
http://v.qq.com/boke/page/i/n/8/i01271k2en8.html
收口机:http://v.qq.com/boke/page/k/i/o/k0127dr1hio.html
除锈机http://v.qq.com/boke/page/p/8/8/p01271mvg88.htm
喷涂机:http://v.qq.com/boke/page/w/j/h/w0127b0vajh.html
http://v.qq.com/boke/page/l/l/f/l0127qzrolf.html
http://v.qq.com/boke/page/f/k/l/f0127ux99kl.html
收口机:http://v.qq.com/boke/page/t/7/p/t0127fw5j7p.html
除锈机:http://v.qq.com/boke/page/w/b/h/w012794fzbh.html
所有设备视频http://i.youku.com/u/UMTcwNDY3NTE0OA==?qq-pf-to=pcqq.c2c