What to Pay Attention to When Feeding Materials into a BB Fertilizer Mixer

 Feeding materials into a BB fertilizer mixer is a crucial step in determining the uniformity of the finished product. Improper operation can easily lead to stratification and segregation. The following are the key operating points that must be strictly followed:

* Feeding Sequence and Ratio

* Strictly Follow the Order of Feeding: Follow the principle of "large to small, heavy to light." First, add large-particle base fertilizers (such as granular urea, potassium chloride), then medium-particle fertilizers (such as diammonium phosphate), and finally small-particle or powdered trace elements. It is strictly forbidden to pour all raw materials in at once to prevent automatic stratification due to differences in specific gravity.

* Precisely Control the Ratio: Each raw material must be weighed individually using an electronic scale, with an error controlled within ±1%. It is forbidden to "estimate" the amount of material based on experience, otherwise it will lead to local nutrient concentrations exceeding or falling short.

* Material State and Equipment Inspection

* Pre-treatment Requirements: Raw materials must be dry. It is strictly forbidden to introduce standing water or wet materials to prevent subsequent clumping and blockage. If the raw materials are clumpy, they must be crushed and sieved (usually 6-8 mesh) to ensure uniform particle size. • No-load start-up and inspection: Before feeding, confirm that there are no residues in the mixer, and start the fertilizer production machine under no-load for a trial run. Listen to the sound to determine if the bearings and blades are functioning properly. The feeding amount must not exceed 70% of the rated volume to avoid overload, which may lead to uneven mixing or motor burnout.

Safety and subsequent connection

• Safety protection: Keep your body away from the feed inlet when feeding to prevent splashing. If using a hoist for feeding, ensure that the protective cover is intact.

• Batch emptying: After each batch of feeding and mixing is completed, the mixture must be completely unloaded. It is strictly forbidden to leave old material in the machine and directly feed new material, otherwise it will cause serious batch cross-contamination.




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