In the production process of methyl methacrylate (MMA) casting sheets, the prepolymer material, rapidly cooled to room temperature in a cooling kettle, needs to be briefly buffered before entering the vacuum degassing or molding process to balance the cycle time of the preceding and following processes and ensure a continuous and stable supply.
To this end, we have designed an MMA stirred tank with an effective volume of 6 cubic meters, specifically designed for the safe temporary storage of MMA prepolymer liquid after the reaction has been terminated. It maintains material homogeneity through low-speed, gentle stirring, preventing sedimentation or localized viscosity differences, and providing stable and homogeneous feed conditions for downstream processes.
Core Functions
- Receives room-temperature prepolymer liquid from the MMA cooling kettle;
- Maintains uniform material composition and viscosity through low-speed stirring, preventing stratification during settling;
- Serves as a flow-stabilizing intermediate tank connecting the cooling and molding/degassing processes, improving the automation and continuity of the entire production line.
Key Technical Parameters
|
Effective Volume |
The PMMA agitated reactor has an effective volume of 6m³, meeting the needs of single-batch or multi-reactor merging buffering. |
|
Temperature Conditions |
Ambient temperature operation |
|
Agitation System |
● Agitation Type: Propeller-type agitator; ● Speed Range: 45 rpm, maintaining only micro-circulation of materials to avoid introducing air bubbles or shear-induced temperature rise. |
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Main Body Material |
The continuous flow stirred tank reactor is made of S304 stainless steel with a mirror-polished inner surface, meeting the cleanliness requirements of optical-grade MMA materials. |
Design Features and Advantages
Experimental setup of 2 L stirred tank reactor
Simple structure and low maintenance cost: No heat exchange structure, reducing leakage points and energy consumption.
Low-disturbance agitation
Ultra-low speed design avoids air entrainment, ensuring efficient subsequent vacuum degassing.
Material Safety
The continuous stirred tank reactor adopts a fully enclosed + nitrogen-sealed design, eliminating the risk of flammable vapor accumulation.
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