CN107236920A - 一种镀锌涂层钢材生产线 - Google Patents
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0036—Crucibles
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
Abstract
一种镀锌涂层钢材生产线,其对接于热轧钢材生产线末端,其包括依工艺流程而依次布置的还原降温室、助镀热浸池、气刀室、冷却室;所述还原降温室设有分别配合有启闭门的进料口和出料口,所述进料口对接于热轧钢材生产线的末端,所述进料口与出料口之间设有滚动式辊道;所述还原降温室连接有用于往还原降温室通入氢气和氮气的气泵;所述助镀热浸池、气刀室、冷却室皆设有让钢材穿过的移动通道;各个设备之间设有滚动式辊道。本发明对接在热轧钢材生产线的末端,实现钢材下线即完成表面处理,能减少转运成本,且还原降温室能充分利用轧铸余热来防止钢材表面氧化,能减少镀锌前处理环节,节省资源;因此采用本发明,可以节约钢材镀锌的成本。
Description
技术领域
本发明涉及一种生产线,特别是指一种镀锌涂层钢材生产线。
背景技术
喷涂生产线是指对金属和非金属表面覆盖保护层或装饰层的生产线。喷涂质量的好坏不仅决定了产品外观,也将决定产品抗腐蚀和耐侯性能力。随着工业技术的发展,喷涂线正由手工向工业自动化方向发展,涂装线的应用也越来越广泛,已深入到国民经济的多个领域。
同时,现有的钢材生产线一般由液态钢倒入连铸机中铸造出钢胚(称为连铸胚),然后不经冷却,钢胚直接在均热锅炉中保温一段时间后直接进入热轧机组中轧制成钢材。由于钢材成型过程中由高温降到常温一般是不经过特殊处理,所以钢材的表面会形成一层氧化皮。
钢材在后续的使用过程中,出于防腐、美观等目的,一般都会对钢材的表面进行喷涂;但是由于氧化皮的存在,喷涂前都需要进行处理,如脱脂、抛丸、助镀等等;而且正常的喷涂生产线与钢材生产线不是在一个地方,这就需要足够的运输能力才能将钢材从钢材生产线运输到喷涂生产线,最后才将喷涂好的钢材运送到客户手中,这使得钢材喷涂的生产升本很高。
因此需要一种可以直接对接到钢材生产线的末端的镀锌涂层钢材生产线,能有效减少工序,大大节约钢材镀锌的成本。
发明内容
本发明的目的在于提供一种镀锌涂层钢材生产线,其可直接对接到钢材生产线的末端,能有效减少工序,大大节约钢材镀锌的成本。
为了达成上述目的,本发明的解决方案是:
一种镀锌涂层钢材生产线,其对接于热轧钢材生产线末端,其包括依工艺流程而依次布置的还原降温室、助镀热浸池、气刀室、冷却室;所述还原降温室设有相对的进料口和出料口,所述进料口对接于热轧钢材生产线的末端,所述进料口与出料口之间设有运送钢材的滚动式辊道,所述还原降温室的出料口和进料口配合有启闭门;所述还原降温室连接有用于往还原降温室通入氢气和氮气的气泵;所述助镀热浸池、气刀室、冷却室皆设有让钢材穿过的移动通道;各个设备之间设有用于运行钢材的滚动式辊道。
所述助镀热浸池包括大池、小池和锌液循环系统;所述小池套置在大池内且小池上部超过大池的顶面,在小池超过大池的两个相对的壁面上分别开设一通孔,该两壁面上的通孔位于一条轴线上,两壁面上的通孔为工件穿过助镀热浸池的移动通道。
所述气刀室包括多边形框架和气管;所述多边形框架的内壁上开设多个喷气嘴,多边形框架的中间部分为钢材穿过气刀室的移动通道。
所述的还原降温室、助镀热浸池、气刀室、冷却室之间均设有用于运行钢材的滚动式辊道。
采用上述方案后,本发明是直接对接在热轧钢材生产线的末端,实现钢材下线即完成表面处理,减少转运成本;并且还原降温室能充分利用热轧钢材生产线轧铸余热来防止钢材表面氧化,能减少镀锌前处理环节,节省资源;因此采用本发明,可以节约钢材镀锌的成本。
附图说明
图1为本发明的结构示意图;
图2为本发明的还原室的结构示意图;
图3为本发明的助镀热浸池与气刀室的结构示意图;
图4为本发明的冷却室的结构示意图。
具体实施方式
为了进一步解释本发明的技术方案,下面通过具体实施例来对本发明进行详细阐述。
如图1所示,本发明揭示了一种镀锌涂层钢材生产线,其包括依工艺流程而依次布置的还原降温室1、助镀热浸池2、气刀室3、冷却室4。
所述助镀热浸池2、气刀室3、冷却室4皆设有让钢材穿过的移动通道;所述的还原降温室1、助镀热浸池2、气刀室3、冷却室4之间均设有用于运行钢材的滚动式辊道5。
具体的,如图2所示,所述还原降温室1设有相对的进料口11和出料口12,所述进料口11对接于热轧钢材生产线A的末端,所述还原降温室1内设有运送钢材的滚动式辊道5,所述还原降温室1的进料口11和出料口12分别配合有启闭门;所述还原降温室1连接有气泵;所述气泵用于往还原降温室1通入氢气和氮气;氮气可以排除还原降温室1中的氧气,氢气在高温时能与氧化铁进行还原反应,因此热轧钢材生产线出来的高温钢材在还原降温室1可以去除钢材表面的氧化皮并阻止钢材表面生成氧化皮。所述还原降温室1充分利用了热轧钢材生产线A的轧铸余热,达到了一个节约生产成本的效果。
如图3所示,所述助镀热浸池2包括大池21、小池23和锌液循环系统22。所述小池23套置在大池21内且小池23上部超过大池21的顶面,在小池23超过大池21的两个相对的壁面上分别开设一通孔231、232,该两壁面上的通孔231、232位于一条轴线上,两壁面上的通孔231、232为钢材穿过助镀热浸池2的移动通道。
如图3所示,所述气刀室3包括多边形框架33、气管31;在多边形框架33的内壁上开设多个喷气嘴32,多边形框架33的中间部分为钢材穿过气刀室3的移动通道。
如图4所示,所述的冷却室4主要由进水管41、多个莲蓬头42、上罩43和水箱44组成。所述的多个莲蓬头42安装在进水管41上,进水管41与冷却液连接,所述冷却液可以为水或是铬酸盐溶液;上罩43配合在多个莲蓬头42上,水箱44安装在地面上且位于多个莲蓬头42下方。
本发明的工作过程:
如图1所示,钢材依次经过还原降温室1、助镀热浸池2、气刀室3、冷却室4,最后加工好的钢材到达位于工序尾端的钢材收集架6上。各工序采用统一配备的控制电气箱进行联合控制管理,具体步骤如下:
1、热轧钢材生产线A末端出来的钢材进入还原降温室1,还原降温室1的进料口11和出料口12关闭;同时气泵往还原降温室1内通入氢气和氮气,使得钢材将温度降到合适镀锌的温度的同时能防止氧化皮的生成,为下道工序减少前处理工序,节省成本,节约时间;待钢材温度降到合适镀锌的温度的时候,打开进料口11和出料口12,钢材从出料口12移出;
2、钢材从助镀热浸池2上的壁面上的通孔231进入助镀热浸池2,完成钢材表面镀锌后,从通孔232出来;
3、钢材经气刀室3完成钢材表面锌液的均匀、吹干及固化;
4、钢材经冷却室4冷却、钝化得到成品,并被送到钢材收集架6上。
本发明的重点就在于本发明是直接对接在热轧钢材生产线A的末端,实现钢材下线即完成表面处理,减少转运成本;并且还原降温室1能充分利用热轧钢材生产线A轧铸余热并防止钢材表面氧化,能减少镀锌前处理环节,节省资源;因此采用本发明,可以节约钢材镀锌的成本。
上述实施例和图式并非限定本发明的产品形态和式样,任何所属技术领域的普通技术人员对其所做的适当变化或修饰,皆应视为不脱离本发明的专利范畴。
Claims (4)
1.一种镀锌涂层钢材生产线,其对接于热轧钢材生产线末端,其特征在于:包括依工艺流程而依次布置的还原降温室、助镀热浸池、气刀室、冷却室;所述还原降温室设有相对的进料口和出料口,所述进料口对接于热轧钢材生产线的末端,所述进料口与出料口之间设有运送钢材的滚动式辊道,所述还原降温室的出料口和进料口配合有启闭门;所述还原降温室连接有用于往还原降温室通入氢气和氮气的气泵;所述助镀热浸池、气刀室、冷却室皆设有让钢材穿过的移动通道;各个设备之间设有用于运行钢材的滚动式辊道。
2.如权利要求1所述的一种镀锌涂层钢材生产线,其特征在于:所述助镀热浸池包括大池、小池和锌液循环系统;所述小池套置在大池内且小池上部超过大池的顶面,在小池超过大池的两个相对的壁面上分别开设一通孔,该两壁面上的通孔位于一条轴线上,两壁面上的通孔为工件穿过助镀热浸池的移动通道。
3.如权利要求1所述的一种镀锌涂层钢材生产线,其特征在于:所述气刀室包括多边形框架和气管;所述多边形框架的内壁上开设多个喷气嘴,多边形框架的中间部分为钢材穿过气刀室的移动通道。
4.如权利要求1所述的一种镀锌涂层钢材生产线,其特征在于:所述的还原降温室、助镀热浸池、气刀室、冷却室之间均设有用于运行钢材的滚动式辊道。
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PCT/CN2018/076378 WO2019010978A1 (zh) | 2017-07-11 | 2018-02-12 | 一种镀锌涂层钢材生产线 |
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CN116060892A (zh) * | 2023-03-07 | 2023-05-05 | 杭州金固环保设备科技有限公司 | 热镀锌钢管及其连续生产方法 |
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CN116060892A (zh) * | 2023-03-07 | 2023-05-05 | 杭州金固环保设备科技有限公司 | 热镀锌钢管及其连续生产方法 |
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