The invention discloses a method for recovering zinc from zinc leak of zinc pot and condensation into zinc block in drainage ditch. Firstly, the zinc pot is disassembled and gas and electricity are supplied on site, and a pair of diaphragms and hangers are made. Along the length direction of drainage ditch, gas pipelines connected with gas are arranged through the gas main valve, and a number of burners with regulating valves are arranged at intervals in the gas pipeline; the gas main valve is opened and the burner nozzle is ignited. The burner flame heates the zinc block in the drainage ditch to the melting state; inserts a pair of partitions in the drainage ditch, and puts a hanger between adjacent pairs of partitions, closes the gas main valve, and the zinc block in the drainage ditch is cooled and condensed into several zinc blocks; uses the hanger to connect the hanger and the lifting hanger, lifts several zinc blocks and the partitions at both ends of the zinc block out of the drainage ditch in turn, and is solid. The zinc block is recovered now. This method overcomes the shortcomings of traditional zinc leak recovery, eliminates the hidden dangers of zinc recovery construction, does not need to construct temporary safety measures, reduces the construction cost, and improves the efficiency of zinc recovery operation.
【技术实现步骤摘要】
锌锅漏锌泄漏至排水地沟凝结成锌块的回收方法
本专利技术涉及一种锌锅漏锌泄漏至排水地沟凝结成锌块的回收方法。
技术介绍
热镀锌是目前应用最广泛、性能价格比最优的钢材表面处理方法,热镀锌产品对钢板的减蚀延寿、节能节材起着不可估量和不可替代的作用,同时镀层钢材也是国家扶植和优先发展的高附加值短线产品。钢铁厂汽车板带钢热镀锌机组是钢铁厂的主要设备。热镀锌机组的关键设备锌锅在使用过程中容易出现漏锌情况,通常锌锅位于地室,其侧面设有排水地沟,排水地沟连通集水坑,锌锅漏锌后锌液泄漏至排水地沟内并凝结,排水地沟被漏锌填满并与凝结的锌块形成整体,一般锌锅漏锌总重约20多吨。对于凝结于地沟的锌块通常采用加热融化,然后采用抽锌泵抽取回收;但该回收方式的施工危险性特别大,临时安全措施特别多,施工成本高,施工周期长。
技术实现思路
本专利技术所要解决的技术问题是提供一种锌锅漏锌泄漏至排水地沟凝结成锌块的回收方法,本方法克服传统泄漏锌液回收的缺陷,杜绝锌液回收施工的安全隐患,无需构建临时安全措施,降低了施工成本,提高了锌块回收作业效率。为解决上述技术问题,本专利技术锌锅漏锌泄漏至排水地沟凝结成锌块的回收方法包括如下步骤:步骤一、拆卸锌锅并现场提供燃气和电;步骤二、制作成对隔板和吊耳;步骤三、沿排水地沟长度方向布置燃气管道,燃气管道经燃气总阀连接燃气,燃气管道上间隔设置若干带调节阀的烧嘴;步骤四、开启燃气总阀,点燃若干烧嘴并采用调节阀调节烧嘴火焰,烧嘴火焰加热排水地沟内锌块至熔化状态;步骤五、在排水地沟内间隔插入成对隔板,并在相邻成对隔板之间放入吊耳,关闭燃气总阀,排水地沟内锌液冷却并凝结 ...
【技术保护点】
1.一种锌锅漏锌泄漏至排水地沟凝结成锌块的回收方法,其特征在于本方法包括如下步骤:步骤一、拆卸锌锅并现场提供燃气和电;步骤二、制作成对隔板和吊耳;步骤三、沿排水地沟长度方向布置燃气管道,燃气管道经燃气总阀连接燃气,燃气管道上间隔设置若干带调节阀的烧嘴;步骤四、开启燃气总阀,点燃若干烧嘴并采用调节阀调节烧嘴火焰,烧嘴火焰加热排水地沟内锌块至熔化状态;步骤五、在排水地沟内间隔插入成对隔板,并在相邻成对隔板之间放入吊耳,关闭燃气总阀,排水地沟内锌液冷却并凝结成由成对隔板分隔的若干锌块;步骤六、采用吊索连接吊耳和起重吊具,起重吊具将若干锌块以及锌块两端的隔板依次吊出排水地沟,实现锌块回收。
【技术特征摘要】
1.一种锌锅漏锌泄漏至排水地沟凝结成锌块的回收方法,其特征在于本方法包括如下步骤:步骤一、拆卸锌锅并现场提供燃气和电;步骤二、制作成对隔板和吊耳;步骤三、沿排水地沟长度方向布置燃气管道,燃气管道经燃气总阀连接燃气,燃气管道上间隔设置若干带调节阀的烧嘴;步骤四、开启燃气总阀,点燃若干烧嘴并采用调节阀调节烧嘴火焰,烧嘴火焰加热排水地沟内锌块至熔化状态;步骤五、在排水地沟内间隔插入成对隔板,并在相邻成对隔板之间放入吊耳,关闭燃气总阀,排水地沟内锌液冷却并凝结成由成对隔板分隔的若干锌...
【专利技术属性】
技术研发人员:张健,
申请(专利权)人:中国二十冶集团有限公司,
类型:发明
国别省市:上海,31
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