Will stainless steel reactor be corroded?
Source:ZHONGHAO | Author:Momo | Published time: 2021-03-24 | 302 Views | Share:
Stainless steel reaction kettle is used as a container for physical or chemical reaction , suitable for variety of reaction conditions, also widely used in chemical reaction of many materials under high temperature and high pressure. in food and beverage, chemical, pharmaceutical and other industrial production lines,you can also find reactor plays an important role In it, the corrosion of stainless steel reactor is a factor that limits the normal use of the equipment. Then, what are the reasons for the corrosion of stainless steel reactor? The following zhonghao’s editor will give you an detailed analysis.


Pitting corrosion of stainless steel reactor: Pitting corrosion refers to the appearance of small holes in the metal, forming a form of local corrosion, which mainly appears on the upper part of the reactor, because there is a liquid droplet and gaseous medium on the upper part of the reactor, which flows Poorly. And those droplets have high concentrations of corrosive media, these corrosive media destroy the protective film of the metal, forming pitting corrosion.


Stress corrosion of the bottom head of the stainless steel reactor: Stress corrosion of the bottom head refers to the embrittlement, fatigue and corrosion cracking of the head due to the internal surface tension caused by the residual stress of cold working and the external surface pressure. The residual stress comes from the manufacture of the head, which is produced by spinning, and the head produced by spinning is prone to uneven plastic deformation during the cold working process.


Corrosion of the lining of stainless steel reactor: Corrosion of stainless steel lining means that the lining after cracking has obvious corrosion pits, which are different in depth and unevenly distributed. Lining corrosion is produced under the work of high temperature, high pressure and strong corrosive media.


Corrosion of stainless steel steam reactor: The corrosion of steam reactor refers to the corrosive gas generated by the material when the material is autoclaved, plus the high pressure, high temperature, and frequent cold and heat in the kettle.


During the production by using stainless steel reactors, attention should be paid to the characteristics of the production materials, and anti-corrosion measures must be taken according to the materials, so that the corrosion of the stainless steel reactors can be avoided to some extent


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