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氨基磺酸的使用范围是什么?
来源:http://www.jnjrh.com 日期:2019-03-06 发布人:admin
氨基磺酸是金属安全酸洗常用酸,与金属作用时反应缓慢,腐蚀率低、不产生氢气。增加适宜的缓蚀剂,就能按捺其对钢铁、铜、不锈钢等多种金属的腐蚀。
Aminosulfonic acid is a common acid used in metal safety pickling. It reacts slowly with metal, has low corrosion rate and does not produce hydrogen. Adding appropriate corrosion inhibitors can suppress the corrosion of steel, copper, stainless steel and other metals.
氨基磺酸溶解氧化铁的能力较低,除锈能力不及草酸。酸洗时生成的盐类溶解度高,不存在析出沉淀问题。适用于酸洗除锈及除水垢。它的水溶液可去除铁、钢、铜、不锈钢等材质设备外表的水垢和腐蚀产物。
Aminosulfonic acid has lower ability to dissolve iron oxide and less ability to remove rust than oxalic acid. The salt formed during pickling has high solubility and no precipitation problem. Suitable for rust removal and scale removal by acid pickling. Its aqueous solution can remove scale and corrosion products on the surface of materials such as iron, steel, copper and stainless steel.
别的,它还是唯一可用作镀锌金属外表清洗的酸。为防止氨基磺酸在高温下水解,一般操控清洗温度在60℃以下,含量在10%以下。
In addition, it is the only acid that can be used for cleaning the surface of galvanized metals. In order to prevent hydrolysis of aminosulfonic acid at high temperature, the cleaning temperature is generally controlled below 60 C and the content is below 10%.
氨基磺酸可单独运用,其用量需根据总的垢量来计算,一般为清洗液的5%-10%。运用时,首先用适量水溶解计算量的氨基磺酸粉末,配制成浓溶液。
Aminosulfonic acid can be used alone, and its dosage should be calculated according to the total scale, generally 5% - 10% of the cleaning solution. When used, the calculating amount of aminosulfonic acid powder is dissolved in appropriate water to prepare concentrated solution.
再在循环系统中参加约0. 3%的缓蚀剂(可用I。an-826),最后参加配制好的氨基磺酸浓溶液并循环均匀,在60℃以下循环清洗6~8h。也可以用氨基磺酸5.5% -6.5%、硫脲1%、苯并三氮唑0.1%组成的复合清洗剂。操控温度60℃,循环清洗除垢率达到95%以上。
In the recycling system, about 0.3% corrosion inhibitor (available I) is added. An-826), and finally participated in the preparation of concentrated solution of aminosulfonic acid and circulated evenly, and cleaned 6-8 hours under 60 C. Compound detergents consisting of 5.5% - 6.5%, thiourea 1% and benzotriazole 0.1% can also be used. The operation temperature is 60 C, and the scale removal rate of circulating cleaning is more than 95%.
因为氨基磺酸对铁氧化物的溶解能力较弱,当水垢中含有铁氧化物时,可参加少数柠檬酸制成固体复配清洗剂,其中含氨基磺酸89%、柠檬酸6%和二乙基硫脲5%。
Because the solubility of sulfamic acid to iron oxide is weak, when scale contains iron oxide, it can take part in a small number of citric acid to make solid composite cleaning agent, which contains 89% sulfamic acid, 6% citric acid and 5% diethylthiourea.
一般的热交换器钢管内的尘垢和沉淀物可以先用4%的氨基磺酸溶液浸泡30min,再参加2%的纯碱溶液清洗10min,即可完全清洗洁净。
In general, the dust and sediment in the steel pipe of heat exchanger can be soaked in 4% sulfamic acid solution for 30 minutes, then washed in 2% soda solution for 10 minutes, and then cleaned completely.
以上信息是我们氨基磺酸整理发布希望对大家有所帮助我们的网站是:http://www.jnjrh.com
Above information is our sulfamic acid sorting and publishing hope to help you all on our website is: http://www.jnjrh.com!
相关标签:氨基磺酸