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The difference between glass-lined reactor and stainless steel reactor

The difference between glass-lined reactor and stainless steel reactor

Glass lined reactor and stainless steel reactor are two commonly used chemical equipment, they are different in material, performance, and application. The following are the main differences between them:



Material:

Glass lined reactor:the kettle body is usually made of mild steel or stainless steel with glass lined(a corrosion resistant glass-ceramic material)coated inside. Glass lining provides excellent corrosion resistance and is suitable for handling a wide range of chemicals.

Stainless Steel Reactor:the kettle body is made entirely of stainless steel, often stainless steel 304 or 316. These materials inherently offer good corrosion resistance and are suitable for a wide range of chemicals and processes with high cleanliness requirements.


Corrosion resistance:

Glass-lined reactor:due to its glass-lined lining, it is able to resist the corrosion of most acids, alkalis, salts and organic solvents and is suitable for extremely corrosive environments.

Stainless Steel Reactor:Stainless steel provides good corrosion resistance, but may be more sensitive to certain chemicals(e.g., chlorine ions), which may lead to pitting or stress corrosion cracking.


Temperature adaptability:

Glass lined kettle:glass lining can withstand high temperature changes, but rapid temperature changes may lead to glass lining rupture.

Stainless steel reactor:stainless steel has good thermal stability and high-temperature strength, and can withstand higher operating temperatures and temperature changes.


Mechanical strength:

Glass lined kettle:the metal kettle body provides good mechanical strength, but the glass lining is relatively fragile and not impact resistant.

Stainless steel kettle:the overall stainless steel structure provides excellent mechanical strength and impact resistance.


Application areas:

Glass lined reactors:due to their exceptional corrosion resistance, they are commonly used in the chemical, pharmaceutical, food and pesticide industries, especially in processes requiring a high degree of corrosion protection.

Stainless steel reactors:suitable for a wide range of industrial applications, including the chemical, pharmaceutical, food and cosmetic industries, especially where hygiene and moderate corrosion resistance are required.


Maintenance and cost:

Glass lined reactors:once the glass lining is damaged, repair can be very difficult and costly.

Stainless steel reactor:maintenance is relatively simple and cost is low, but the stainless steel material itself is more expensive than ordinary carbon steel or mild steel.

When choosing a reactor, it is necessary to consider factors such as specific process requirements, corrosive environments, temperature and pressure conditions, and budget to determine which type of reactor is more suitable.

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