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Preparation technology of Zn-infiltrated alloy

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Publication number
CN102443809A
CN102443809A CN 201110401734 CN201110401734A CN102443809A CN 102443809 A CN102443809 A CN 102443809A CN 201110401734 CN201110401734 CN 201110401734 CN 201110401734 A CN201110401734 A CN 201110401734A CN 102443809 A CN102443809 A CN 102443809A
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technology
preparation
zn
workpieces
infiltrated
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CN 201110401734
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Chinese (zh)
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贾春岭
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长葛市礼阳电气有限公司
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Abstract

The invention discloses a preparation technology of a Zn-infiltrated alloy. The preparation technology is characterized in that the preparation technology concretely comprises the following steps: 1, taking workpieces, sandblasting to remove oil and rust; 2, applying Zn powder; 3, filling the workpieces into a furnace, sealing the furnace, heating, and penetrating and curing; 4, discharging the obtained substance from the furnace; 5, washing with high pressure water; 6, carrying out anode electrolysis polishing; 7, passivating and sealing; and 8, drying to obtain the Zn-infiltrated alloy. The workpieces processed with the technology of the invention have the advantages of simple processing process, no use of chemical raw materials in the production, no pollution to environment, no damage to the physical and mental health of operators, less kind of multicomponent alloys, and energy saving.

Description

一种渗锌合金的制备工艺 A process for preparing a zinc alloy infiltration process

技术领域 FIELD

[0001] 本发明属于金属热处理与冶金结合技术领域,具体是与金属表面防腐层有关的一种渗锌合金的制备工艺。 [0001] The present invention pertains to metal heat treatment and metallurgical bonding techniques, and in particular is a process for preparing a zinc alloy infiltration associated with the surface of the metal coating.

背景技术 Background technique

[0002] 渗锌合金的本体为钢铁制件产品,涉及到电力,铁路,公路汽车及军工设备等多个行业的必用配件。 [0002] infiltration of zinc alloy body for the steel parts products in a number of industries electricity, railways, road vehicles and military equipment and other necessary accessories. 如常用户外标准件、螺钉、螺母、汽车外露部分使用的螺钉螺母。 The standard used outdoors, screws, nuts, bolts and nuts exposed portion automotive use. 铁路及公路户外使用的标准件等,不仅要求工件的内在质量好,还要求工件15年不能生锈,并且对螺纹间拉力也有很高要求。 Standard parts such as rail and road for outdoor use, requires not only the intrinsic quality of the work is good, the work also requires 15 years can not rust, and inter-thread tension too high demands. 为了防止标准件生锈以便以后维修方便。 To prevent rust standard parts for easy maintenance and repair. 原始的方法是在工件表面热镀锌或热渗锌来解决此问题。 The original method of heat at the surface of the workpiece or hot dip galvanized zinc infiltration to resolve this issue. 公知的对工件热镀锌热渗锌的方法是:工件(如标准件)一碱性除油一酸性除锈磷化一敷多种合金粉一装炉加温渗透固化一出炉一硝酸出光一铬酸钝化一成品。 Method for the infiltration of zinc hot galvanizing a workpiece are well known: a workpiece (e.g., standard) an alkaline degreasing a more acidic rust phosphating a cladding alloy powders a heating furnace installed a furnace a permeation curing a light nitrate a chromating finished. 上述方法处理的钢铁制件虽然防锈能力有所提高,但是盐雾试验也只能达到两百小时(即实际防腐五年左右)远达不到15年的防腐要求。 Steel parts rust, although the above method of treatment capacity has increased, but the salt spray test can only reach two hundred hours (ie about actual antiseptic five years) as far as anti-corrosion requirements of less than 15 years. 其缺点主要有二: 一、除油除锈工序中需要化工产品,在后面的硝酸出光铬酸钝化工序中也用化工重金属产品,不仅污染环境还损害操作者身心健康;二、更重要的是在热镀过程中液体金属和金属粉涂覆在工件(螺纹)表层,影响了螺纹间的公差尺寸,使施工当中拧不上螺母,必须把螺母加大,但螺母加大后使螺纹间松动、拉力不够安全上大大没有保证。 There are two main disadvantages: a degreasing step requires descaling chemical products, in the back light nitrate chromating step also heavy metals with chemical products, not only pollute the environment further damage to health operator; second, more important in the hot dipping process the liquid metal and metal powder coated on the workpiece (threaded) surface, affect the tolerances between the threads, so that the construction of which is not screwed on the nut, the nut must be increased, but increasing the screw between the nut loose, there is no guarantee on much tension is not enough security.

[0003] 因此,提供一种处理工艺简单,且在生产过程中不用化工原料,不污染环境、不损害操作者身心健康,而且使用多元合金种类少,节省能源的渗锌合金的制备工艺,已经是一个急需解决的问题。 [0003] Accordingly, a treatment process is simple, and no chemical raw materials in the production process, do not pollute the environment, without impairing the operator health, the type of alloy and the use of less polyols, infiltration of zinc alloy manufacturing process to save energy, it has been is an urgent problem.

发明内容 SUMMARY

[0004] 为了克服上述现有技术中的不足,本发明提供一种渗锌合金的制备工艺,利用该工艺处理的工件不仅处理工艺简单、生产中不用化工原料、不污染环境、不损害操作者身心健康,而且使用多元合金种类少,节省能源。 [0004] In order to overcome the disadvantages of the above-described prior art, the present invention provides a process of preparing a zinc alloy infiltration, this process using only the workpiece processing process simple, without the production of chemicals, without environmental pollution, without prejudice to the operator physical and mental health, and the use of less complex alloy species, saving energy.

[0005] 本发明的目的是这样实现的: [0005] The object of the present invention is implemented as follows:

一种渗锌合金的制备工艺,该工艺为:取工件喷砂除油除锈一敷金属锌粉一装炉密闭加温渗透固化一出炉一高压水洗一阳极电解抛光一钝化封闭一烘干一成品。 One kind of infiltration of zinc alloy preparation process which: taking a workpiece blasting rust removal metallized zinc a closed heating furnace installed a curable permeate a high pressure water washing a baked anode passivation electropolishing a closed drying a finished product.

[0006] 本发明所述的金属锌粉比例为工件的千分之十五到二十五且只需一种金属锌粉。 [0006] The ratio of zinc metal to the present invention Qianfenzhishi five to twenty-five workpiece and only one metal zinc powder.

[0007] 本发明所述的阳极电解抛光和电镀锌所用的溶液一样,酸性或碱性的电镀溶液都可以。 [0007] As the anode of the electro-galvanized and electrolytic polishing of the present invention was used, an acidic or basic solution may be plated. 电镀锌时的工件为阴极现在换成了阳极,电镀锌时的锌板为阳极现在换成了阴极铁板,电解出多余的锌离子置换到了阴极铁板上。 Electrogalvanized steel workpiece is now replaced anode cathode and a zinc sheet as an anode when galvanized iron is now replaced cathode, the electrolysis of zinc ion substitution excess to the iron cathode.

[0008] 本发明所述的置换出铁板上多余的锌离子,通过转换阴阳极可再次被电镀锌利用。 [0008] The excess of zinc ion replaced with the iron of the present invention, the electrode may be reused by converting galvanized Yin and Yang.

[0009] 所述的装入炉内密闭后加温值范围为:340°C至380°C时,加温保温时间为1 一1. 5 小时。 Into the furnace [0009] After the closed heating value in the range: When 340 ° C to 380 ° C, a heating holding time is 1.5 hours 1. [0010] 所述的钝化时间为10到30秒。 Passivation Time of [0010] 10 to 30 seconds.

[0011] 积极有益效果:本发明加热渗透固化一出炉后不经过酸洗、铬酸钝化采用了阳极电解抛光工艺,①电解抛光去除了表层多余的金属锌和杂质,露出本体的锌铁合金层,使有螺纹的部分无需加大螺母内径尺寸,就能使有螺纹的部分上丝更加顺畅,绝对解决了热镀需加大或减小螺纹公差尺寸的问题更是拉力得到了大大的安全保证。 [0011] positive beneficial effects: the present invention is heat cured after pickling without penetration came out, chromated anodic electrolysis using the polishing process, the surface layer ① electrolytic polishing removes excess metal impurities and zinc, zinc-iron alloy layer is exposed body the threaded portion of the nut without increasing the diameter size, can make the threaded portion of the wire on more smoothly, absolutely solves the problem of hot-dip need to increase or decrease the size of the thread tolerance is a big pull to get security guarantees . ②电解抛光去除了表层的金属锌和杂质露出本体的锌铁合金层,使钝化更充分防腐效果得到很大的提高,盐雾试验可以从两百个小时提高到八百个小时以上(及二十年以上)。 ② electrolytic polishing removes the impurities in the surface layer of zinc metal and zinc-iron alloy layer is exposed body, fuller passivation effect is greatly improved corrosion, salt spray test can be increased to more than two hundred hours from eight hundred hours (two and more than a decade). 防腐效果可以和不锈钢媲美,③同时也解决了不锈钢在受力后容易咬死的问题,给安装造成很大的不便。 Stainless steel and corrosion effects can be comparable, ③ but also solve the problem of stainless steel after the force easily killed, causing great inconvenience to the installer. ④电解出多余的金属锌可以利用阴极电镀的办法,重新利用多余的锌原子。 ④ an electrolytic way the excess zinc metal plating of the cathode may be utilized, again using excess zinc atom. 使废物重新得到了利用,充分节省了能源。 The waste has been re-use, fully save energy. 本发明用简单成熟的技术,进行巧妙的变更结合,能做出不可想象的高耐腐蚀的高端产品,是我们的一大亮点,希望能得到大力推广使用,为国家节省能源造福于社会。 The present invention is a simple mature technology, subtly changing the combination, can make unimaginable high corrosion resistance of high-end products, we are one of the highlights, hoping to get to vigorously promote the use, for the country to save energy for the benefit of society.

具体实施方式 detailed description

[0012] 下面结合具体实施方式对本发明作进一步的说明: [0012] DETAILED DESCRIPTION The following embodiments of the present invention is further described:

取工件(如标准件)若干,喷砂除油除锈,接着敷金属锌粉一同装入炉内密闭后加温至340°C至380°C时保温1小时到1. 5小时,渗透固化。 For 1 hour to 1.5 hours when taken workpiece (e.g., standard) several, sandblasting rust removal, and then charged into the furnace sealed with metallized zinc powder after heating to 340 ° C to 380 ° C, penetration cured . 然后出炉,高压水洗,利用电镀原理进行阳极电解,把原来电镀工件时的阴极换成阳极,挂锌板的阳极换成阴极铁板,电解二十到五六十分钟(根据工件表面积而定时间)提出工件,在配置好的水溶性漆(市面上可随处买到)溶液里钝化10到30秒钟后,提出工件用离心机脱出多余的水溶性漆封闭剂,再经干燥即为成品。 Then baked, high pressure water washing, by plating principle anodic electrolysis, the cathode into the workpiece when the original plating anode, an anode zinc plate hanging replaced iron cathode, the electrolysis twenty to five sixty minutes (time set according to the workpiece surface and ) raised the workpiece, after the water-soluble paint configured (commercially available anywhere) in the passivation solution for 10 to 30 seconds, with the workpiece made water-soluble paint centrifuge prolapse excess sealant, is finished and then dried .

[0013] 实施例1 [0013] Example 1

取电力铁塔螺栓、高速公路护栏丝一百公斤,常规喷砂除油除锈,敷1. 5公斤锌粉装入炉内加温至380度时保温1.5小时渗透固化,然后出炉经过高压水洗装入电镀用的滚筒内, 滚筒一方为阳极,挂锌板一方为阴极,电解20到60分钟提出滚筒倒出工件,水洗。 Take power tower bolts, highway guardrail wire one hundred kilograms, conventional sand blasting degreasing, plating 1.5 kg of zinc powder into the furnace heated to cure the permeate incubated 1.5 hours at 380 degrees, and then released through the high pressure water washing apparatus plating the inner drum, one of the drum as an anode, a zinc plate linked to one of a cathode, an electrolytic roller 20 to 60 minutes is proposed a workpiece decanted, washed with water. 下一步把工件装入提篮内在配制好的水溶性漆封闭剂里钝化封闭,用离心机脱出多余的封闭剂再烘干即为成品。 Next the workpiece is loaded inner basket formulated in a water-soluble paint sealant passivation closed centrifuge prolapse excess blocking agent and then drying is finished.

[0014] 从上述处理工艺可以看出,该工艺工序少,工艺简单成熟,生产速度快,生产效率大大提高。 [0014] As can be seen from the above-described treatment process, which process less mature simple process, production speed, production efficiency is greatly improved. 处理工序中无需化工重金属,不造成环境污染,不对操作工人造成身心伤害;而且使用金属粉种类少。 Chemical treatment step without heavy metals, does not cause environmental pollution, does not cause physical and psychological harm workers operation; and the use of less metal powder type. 该工艺电解过程简单、工艺成熟,电解出的锌离子右可被回收利用节省了能源。 The electrolysis process is simple and mature technology, the electrolysis of zinc ion can be recycled to save the right energy. 同时用该方法处理的工件(螺丝)其表面光洁度亮度和耐腐蚀程度都远远超过了原来的热镀锌和热渗锌;同时内在的强度•韧性•表面尺寸都得到了非常好的保证,施工中的安全系数大大提高。 While the workpiece treated by the method (screw) surface finish degree brightness and corrosion resistance are far more than the original hot galvanized and zinc infiltration; intrinsic strength while toughness • • surface dimensions have been very good guarantee, construction safety factor is greatly improved. 合金层如保证在6 μ m以上时,耐腐蚀程度可通过600小时以上盐雾试验(15年以上),最高合金层可以做到15 μ m,盐雾试验1800小时30年以上。 The alloy layer is to ensure that when more than 6 μ m, the degree of corrosion resistance by salt spray test over 600 hours (over 15 years), the alloy layer can be done up to 15 μ m, 1800 hours salt spray test over 30 years. 防锈能力绝不亚于不锈钢,成本远远低于不锈钢,此工艺能用到各行各业,能代替原来的各种防腐工艺,有广阔的发展前景。 No less rust resistance of stainless steel, the cost is far lower than stainless steel, this process can be used to all walks of life, can replace the original variety of anti-corrosion technology, there are broad prospects for development.

[0015] 以上实施例仅用于说明本发明的优选实施方式,但本发明并不限于上述实施方式,在所述领域普通技术人员所具备的知识范围内,本发明的精神和原则之内所作的任何修改、等同替代和改进等,其均应涵盖在本发明请求保护的技术方案范围之内。 [0015] The above embodiments are merely to illustrate preferred embodiments of the present invention, but the present invention is not limited to the above embodiment, within the ordinary skill in the art have the knowledge of, the spirit and principle of the present invention made any modifications, equivalent substitutions and improvements, which should fall within the technical scope of the embodiment of the present invention as claimed.

Claims (6)

1. 一种渗锌合金的制备工艺,特征在于具体制备工艺,其具体制备工艺如下:方法为: 取工件喷砂除油除锈一敷金属锌粉一装炉密闭加温渗透固化一出炉一高压水洗一阳极电解抛光一钝化封闭一烘干一成品。 An infiltration alloy of zinc preparation process, characterized in that the specific preparation process, the specific preparation process is as follows: Method: taking a workpiece blasting rust removal metallized zinc a closed heating furnace installed a curable released a permeate a high-pressure water washing electropolishing passivation of the anode a closed drying a finished product.
2.根据权利要求1所述的一种渗锌合金的制备工艺,其特征在于:所述的金属锌粉比例为工件的千分之十五到二十五且只需一种金属锌粉。 The infiltration process of preparing a zinc alloy according to claim 1, wherein: the ratio of zinc metal to Qianfenzhishi five to twenty-five workpiece and only one metal zinc powder.
3.根据权利要求1所述的一种渗锌合金的制备工艺,其特征在于:所述的阳极电解抛光和电镀所用的溶液一样,电镀锌时的工件为阴极现在换成了阳极,电镀锌时的锌板为阳极现在换成了阴极铁板,电解出多余的锌离子置换到了阴极铁板上。 The infiltration process for preparing a zinc alloy according to claim 1, wherein: said anode as electropolishing and electroplating solution used, the workpiece is the cathode of the electro-galvanized now replaced by an anode, electro-galvanized when a zinc sheet as an anode is now replaced by iron cathode, the electrolysis of zinc ion substitution excess to the iron cathode.
4.根据权利要求3所述的一种渗锌合金的制备工艺,其特征在于:所述的置换出铁板上多余的锌离子,通过转换阴阳极可再次被电镀锌利用。 4. The infiltration process for preparing a zinc alloy according to claim 3, wherein: the replacement of the iron excess zinc ions, by switching the cathode and anode can be electrically galvanized reused.
5.根据权利要求1所述的一种渗锌合金的制备工艺,其特征在于:所述的装入炉内密闭后加温值范围为:340°C至380°C时,加温保温时间为1 一1. 5小时。 The infiltration process of preparing a zinc alloy according to claim 1, wherein: said charged into the furnace after heating value in the range closed: when the 340 ° C to 380 ° C, heating holding time 1 is a 1.5 hours.
6.根据权利要求1所述的一种渗锌合金的制备工艺,其特征在于:所述的钝化时间为10到30秒。 6. The infiltration process of preparing a zinc alloy according to claim 1, wherein: said passivation time is 10 to 30 seconds.
CN 201110401734 2011-12-07 2011-12-07 Preparation technology of Zn-infiltrated alloy CN102443809A (en)

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CN105220109A (en) * 2014-06-19 2016-01-06 山东天盾矿用设备有限公司 Multi-element alloy zinc co-permeation process
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CN105420667A (en) * 2016-01-08 2016-03-23 郑州中原利达新材料有限公司 Low-temperature alloy co-penetration metal corrosion prevention technology

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