College Of Agriculture Tender

Biochar unit with accessories

Instrument Body - Mild Steel Structure with powder coat painting and elegant look - - Insulation Type - - Full insulation made of MMTCL make Cerachem Blanket - Maximum use temperature 1425° C - Density 128 Kg/m3 - Composition: Al2O3 -33-37%, SiO2-48-52%, ZrO2-13-17% - - Design capacity of vessel - 10kg - - Vessel size - 320mm (D) x 550mm (H) - - Vessel Details - High quality Inconel Alloy material - Top flange lightweight Stainless Steel -310 - Silicone ‘O’ Ring - - Inert gas purging/ Exhaust gas - Require ports are provided in the flange - - Type of Heating Elements - Make & Model- Kanthal, Sweden & APM Wire 2mm, Maximum Temperature: 1425°C - Specific Heat Capacity @20°C- 0.46kJ/kgK - Resistivity @20°C-1.45Ωmm2/m - Heating Element is wounded on the alumina tube - Hot zone Length- 300mm x 4 side heating for better uniformity - Electrical Connection – At Rear side - - Maximum Design temperature - 1000°C - - Operating temperature - 800°C - - KW rating - 12 Kw - - Voltage Rating - 420 V AC ±10%, 50 Hz 3 wire system - - Type of Thermocouple - K type thermocouple (Chromel/Alumel) - 2 mm thick wire for best service - Along with recrystallized alumina tube & aluminium head, Length-8” fitted outside the Vessel - - Type of temperature control - PID and Thyrsitor based power supply with programmable Temperature controller of minimum 8+8 ramp soak steps - - Programming Pattern for each segment - Target temperature - Time to reach the Target - Power limit to the heater - - PID Controller Make & Model - TAIE & PFU400 - - Thyristor Make & Rating - Semikron & 96A - - Temperature Control Resolution - +/- 1°C - - Safety features - Over temperature protection - Earthing terminal to avoid electrical current leakage. Fuse Unit / Circuit breaker to cut off the supply in case of circuit faults - - Grinding Media - Material capacity - Material + Mill Balls ˂ 2/3 volume - Length of Roller 260 mm - Input Granularity Size ˂ 10 mm for soft material - ˂ 3 mm for hard material - Output Granularity Size Minimum 13 to 48 µm - Roller Speed 60 to 570 ± 10 rpm (adjustable) - Mill mode Dry milling Wet milling - Diameter of Roller - Φ 25 mm - Maximum distance between roller 120 mm - Feed Material Soft, hard, brittle, fibrous, cellulose, herb, glass, soil, ore, pharmacy, chemical, fluorescent, pigment etc - Grinding Drum type Stainless steel - Grinding Medium type Stainless steel balls - Voltage One phase 220 V - Motor power 0.4 kW - - Warranty Three year