Core Components & Their Functions

2.1 Stainless Steel Mixing Tank

• Material Composition: Fabricated from 304 or 316L stainless steel (options available based on application needs). 304 stainless steel offers general corrosion resistance for non-aggressive materials, while 316L provides enhanced resistance to acidic, alkaline, or chloride-containing liquids—critical for chemical and cosmetic formulations that may include corrosive ingredients.
• Tank Design: Features a smooth, polished interior surface (Ra ≤ 0.8 μm) to minimize material adhesion, facilitate easy cleaning, and prevent cross-contamination between batches. The tank shape (typically cylindrical with a rounded bottom) ensures optimal material circulation, eliminating dead zones where ingredients might accumulate.
• Capacity Range: Available in capacities from 50L to 5,000L, with custom sizes offered to match specific production volume requirements. Tank openings include a top manway (for material loading and inspection), bottom discharge valve (for efficient product transfer), and optional side ports (for sampling, temperature/pH sensors, or auxiliary equipment connections).

2.2 Double Jacketed Structure

• Design Principle: The tank is enclosed in a secondary outer jacket, creating a hollow space between the inner tank wall and outer jacket. This space can be filled with heating or cooling media (e.g., hot water, steam, chilled water, or thermal oil) to regulate the temperature of the material inside the tank.
• Temperature Control Range: Typically supports temperature adjustment from -10°C to 150°C, with precision of ±1°C. This range accommodates processes requiring heating (e.g., melting waxes in cosmetic cream production) or cooling (e.g., stabilizing chemical reactions to prevent overheating).
• Heat Transfer Efficiency: The jacket’s spiral or dimple structure maximizes contact area between the media and inner tank wall, ensuring uniform temperature distribution throughout the material. This avoids localized hot or cold spots that could compromise product quality.

2.3 Agitator System

• Agitator Types: Configurable with different agitator designs to suit material properties and mixing goals:
  • Anchor Agitator: Ideal for high-viscosity liquids (up to 100,000 cP). Its slow rotational speed (5–50 rpm) ensures thorough mixing along the tank walls and bottom, preventing material buildup and promoting heat transfer.
  • Paddle Agitator: Suitable for medium-viscosity liquids (up to 10,000 cP). The flat or curved paddles create radial and axial flow, enabling efficient homogenization of ingredients.
  • Propeller Agitator: Designed for low-viscosity liquids (up to 1,000 cP). High rotational speed (50–300 rpm) generates strong axial flow, accelerating mixing and dissolution of soluble components.
• Drive System: Equipped with a gear motor or direct-drive motor, with variable speed control (via inverter) to adjust rotational speed based on the formulation. The motor is mounted on top of the tank, with a sealed shaft (using mechanical seals or magnetic couplings) to prevent material leakage and ensure hygiene.
• Shaft & Impeller Material: Constructed from the same stainless steel grade as the tank, with surface polishing to match the interior finish—maintaining material compatibility and easy cleaning.