System Description:
Batching hoppers are provided below storage hoppers (first Batch hopper for Chrome fines / Lime and second for Molasses). Batch hoppers are installed on imported Load cells below the storage hoppers. The Vibrofeeder/Conveyer, Screw feeder and Ball valve is provided below storage hoppers for charging the raw material into Batching hoppers. Batch hoppers will have Gate valve and Ball Valve to discharge the batched materials into the Mixer. Load cells are connected to Batch controllers, which are mounted in Batching system Panel for Weight Indication and batching operations. The Batch controllers having facility to program for individual set points and manual component, inputs such as start, stop and abort the batch, outputs for VFD of Conveyer/screw feeder and Ball/Gate valves, timer and discharge sequence. Batch house panel will have switches, lamps, timers, power supply, relays, VFD’s for conveyer/screw feeder, etc. for Automatic/Manual operation and Mimic diagram of the complete Batching system to know the status (ON/OFF, Coarse/Fine, Overload, etc.) of the field Instruments like Screw feeder, Conveyers, Gate/Ball Valves, Mixer and Mixer gate.
Following timings are settable:
- Dry Mix Time
- Wet Mix Time
- Mixer Discharge gate OPEN time
In Manual Mode, switches are provided for Screw-feeder, conveyer and Ball Valve. Operator can take the batch with help displayed weight and switches.
