Охладитель сухих кислот Tianhua на заказ защитный анодный охладитель теплообменника для серной кислоты
- Категория: Other Refrigeration & Heat Exchange Equipment >>>
- Поставщик: Tianhua Institute of Chemical Machinery and Automation Co. Ltd.
Сохранить в закладки 1600486273835:
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Характеристики
Products Description
1.Descripition:
Anodically protection coolers are widely used in the production of sulfuric acid drying and absorption section. The function of anodically protection coolers is by applying anode current, so that the surface (stainless steel) which contact with sulfuric acid can be protected, then the annual rate of corrosion control in the range of 0.01-0.03mm. Chemical equipment plant underneath TIANHUA has an occupation area of 6000m² with welding laboratory, inspecting room, material testing room, machine work room. For ensuring the quality of the product, the Anodically protected coolers are performed many processes as follows: firstly, the product is designed and manufactured referring to the Type I standard of pressure vessels and
is tested in the ways of materials, evaluation for welding process, X radiographic inspection, etc. Secondly, welding quality of orifice of heat exchange tube is tested by ammonia leak test. Finally, hydrostatic pressure test is put up. Chemical equipment plant underneath TIANHUA has Manufacture License of Special Equipment of People’s Republic of China (class A2) and may be standard of ASME.
Anodically protection coolers are widely used in the production of sulfuric acid drying and absorption section. The function of anodically protection coolers is by applying anode current, so that the surface (stainless steel) which contact with sulfuric acid can be protected, then the annual rate of corrosion control in the range of 0.01-0.03mm. Chemical equipment plant underneath TIANHUA has an occupation area of 6000m² with welding laboratory, inspecting room, material testing room, machine work room. For ensuring the quality of the product, the Anodically protected coolers are performed many processes as follows: firstly, the product is designed and manufactured referring to the Type I standard of pressure vessels and
is tested in the ways of materials, evaluation for welding process, X radiographic inspection, etc. Secondly, welding quality of orifice of heat exchange tube is tested by ammonia leak test. Finally, hydrostatic pressure test is put up. Chemical equipment plant underneath TIANHUA has Manufacture License of Special Equipment of People’s Republic of China (class A2) and may be standard of ASME.
2.The working principle:
The working principle of the concentrated sulfuric acid equipments with anodic protection is as follows: whole equipment surface contacted with concentrated sulfuric acid is anode, one or more than one cathodes are installed, thus forming a current loop through sulfuric acid. To protect the equipments, an external anodic current is imposed, and anodic polarization occurs. The polarization potential is promptly passed via the induced passivation potential, and enters the stable passive region, then is maintained in this region. Thus, a passive film can be formed on the metal surface, which can make the corrosion rate of equipment decrease in concentrated sulfuric acid.
The working principle of the concentrated sulfuric acid equipments with anodic protection is as follows: whole equipment surface contacted with concentrated sulfuric acid is anode, one or more than one cathodes are installed, thus forming a current loop through sulfuric acid. To protect the equipments, an external anodic current is imposed, and anodic polarization occurs. The polarization potential is promptly passed via the induced passivation potential, and enters the stable passive region, then is maintained in this region. Thus, a passive film can be formed on the metal surface, which can make the corrosion rate of equipment decrease in concentrated sulfuric acid.
Product name | Anodically protection coolers | Annual rate of corrosion | 0.01-0.03mm |
Tube Side(cold) | Shell Side(hot) | Materials | 304, 304L, 316L, TP316L |
Cooling Water | H2SO4 | Applicable Industries | Energy & Mining,sulfuric acid drying and absorption section |
Certification | ISO9001,CE | After-sales Service | Online support, Field installation |
Company Profile
Tian Hua Institute of Chemical Machinery & Automation Limited Company, established in 1958, is a professional manufacturer engaged in the research, development, production, sale and service of chemical machinery and control systems. We have our general headquarter in Lanzhou our production bases in Nanjing with convenient transportation access. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. In recent years, our company has introduced a series of advanced equipment including plastic machines, waste heat boilers, dryer technology and devices, regenerative thermal oxidizer,chromatogram online analyses system. In addition, we have obtained ISO Certificate of conformity of health safety and environmental management system certifications. Selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as North America, the European region, Southeast Asia, India, Mideast region, South America. Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements.
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