Vertical Planetary Mixer

Source: BT

Context: ISRO successfully developed a 10-tonne vertical planetary mixer, the largest solid propellant mixing equipment globally, in collaboration with CMTI, Bengaluru.

About Vertical Planetary Mixer:

  • What is a Vertical Planetary Mixer?
    • A high-capacity mixing system designed for processing solid propellants used in rocket motors.
    • Ensures precise blending of hazardous and sensitive ingredients, crucial for rocket motor efficiency.
  • Developed by:
    • Satish Dhawan Space Centre (SDSC), ISRO, in collaboration with Central Manufacturing Technology Institute (CMTI), Bengaluru.
    • Part of the Atmanirbhar Bharat’ initiative to enhance indigenous space capabilities.
  • How It Works?
    • Uses multiple hydrostatic-driven agitators for uniform mixing of solid propellant components.
    • Operated remotely via a PLC-based control system with SCADA stations for precision and safety.
      • SCADA (Supervisory Control and Data Acquisition) stations are control systems that monitor and manage physical processes in real time.
  • Key Features:
    • Largest Capacity: Mixes 10 tonnes of propellant in a single batch.
    • High Precision: Ensures uniform composition for better rocket performance.
    • Safety & Reliability: Designed for hazardous materials handling with strict quality control.
    • Automation: Remotely controlled system enhances safety and efficiency.
    • Massive Structure: Weighs 150 tonnes; dimensions: 5.4m (L) × 3.3m (B) × 8.7m (H).
  • Significance of the Mixer:
    • Enhances Rocket Motor Production: Increases productivity, throughput, and quality in solid propulsion systems.
    • Boosts Indigenous Capability: Reduces dependency on foreign technology, aligning with India’s self-reliance goals.
    • Supports Future Space Missions: Strengthens ISRO’s launch vehicle programs, including PSLV, GSLV, and future heavy-lift rockets.
    • Collaboration with Academia & Industry: Promotes innovation in advanced space manufacturing.