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TYVM
Tengyu
————————Professional Industrial Agitators ,Chemical Mixers Manufacturers in China for more than 40 years.
In the causticizing stage of the pulping process, the mixing agitator of lime milk and green liquor needs to meet the requirements of stable operation under highly corrosive and high solid content media. Its main features are summarized as follows:
Corrosion-resistant materials and structural design
Stainless steel material: The main contact parts (such as stirring blades and inner wall of the tank) are made of SS316 or SS304 stainless steel, which is resistant to alkaline corrosion (green liquor contains NaOH, Na₂S, etc.) and extends the life of the equipment.
Sealing and polishing
- Mechanical self-cleaning design to avoid scaling (such as metal-to-metal sealing, no solvent flushing requirements).
- Mirror polished inner wall (Ra≤0.4μm) to reduce residue and facilitate cleaning.
Explosion-proof configuration: The motor can be selected as explosion-proof (Ex d IIB T4 grade) to adapt to volatile gas environments.
Optimized mixing performance
High-efficiency shear design to achieve high shear force, ensure that lime particles are fully suspended, avoid sedimentation, and improve reaction uniformity.
Stirring without dead angles: bottom-entry or side-entry paddle layout, combined with pear-shaped/conical bottom design of the tank, eliminates flow blind spots.
Removable stirring shaft and modular design shorten cleaning downtime
Summary: The core of the applicability of causticizing agitators lies in solving the three major problems of solid-liquid mass transfer barriers, precipitation control and high temperature uniformity. Its selection needs to strictly match the process properties (viscosity, solid content) and reaction conditions (temperature, duration) to achieve efficient and low-cost large-scale production.
————————Professional Industrial Agitators ,Chemical Mixers Manufacturers in China for more than 40 years.
In the causticizing stage of the pulping process, the mixing agitator of lime milk and green liquor needs to meet the requirements of stable operation under highly corrosive and high solid content media. Its main features are summarized as follows:
Corrosion-resistant materials and structural design
Stainless steel material: The main contact parts (such as stirring blades and inner wall of the tank) are made of SS316 or SS304 stainless steel, which is resistant to alkaline corrosion (green liquor contains NaOH, Na₂S, etc.) and extends the life of the equipment.
Sealing and polishing
- Mechanical self-cleaning design to avoid scaling (such as metal-to-metal sealing, no solvent flushing requirements).
- Mirror polished inner wall (Ra≤0.4μm) to reduce residue and facilitate cleaning.
Explosion-proof configuration: The motor can be selected as explosion-proof (Ex d IIB T4 grade) to adapt to volatile gas environments.
Optimized mixing performance
High-efficiency shear design to achieve high shear force, ensure that lime particles are fully suspended, avoid sedimentation, and improve reaction uniformity.
Stirring without dead angles: bottom-entry or side-entry paddle layout, combined with pear-shaped/conical bottom design of the tank, eliminates flow blind spots.
Removable stirring shaft and modular design shorten cleaning downtime
Summary: The core of the applicability of causticizing agitators lies in solving the three major problems of solid-liquid mass transfer barriers, precipitation control and high temperature uniformity. Its selection needs to strictly match the process properties (viscosity, solid content) and reaction conditions (temperature, duration) to achieve efficient and low-cost large-scale production.
