1. Core Process
Goal: Mix a medium with 63-65% moistureand pH 6.8-7.2
Steps: Weigh ingredients → Pre-wet them → Mix thoroughly → Check moisture & pH.
2. Key OperationsSafety First:Follow all mixer safety rules. Never reach inside.
Pre-treat: Weather sawdust (3-6 months). Crush corncobs. Discard poor quality material.
Weigh: Accurately measure all ingredients by scale.
Pre-wet: Soak corncobs in lime water (6-12h). Stir cottonseed hulls with water (>20min).
Mix: Add in order: cotton hulls → corncobs → bran → sawdust → additives. Dry mix first, then add water.
Check: Test moisture and pH at multiple points before use.
Hygiene: Keep everything clean to prevent contamination.3. Safety Highlights
Wear PPE (dust mask, etc.).
Keep work area tidy and clothes secure.
Inspect equipment before use.
Never use wet hands on electrical switches.
Lockout/tagout power before cleaning or servicing.