Whether you produce bentonite cat litter, tofu cat litter, or mixed-formula litter, certain technical challenges often appear during industrial production. Understanding these issues—and selecting the right cat litter production line or granulation system—is key to maintaining efficient output and consistent pellet quality. Below are the most common problems found in cat litter manufacturing plants and practical ways to solve them.
1. Irregular Pellet Size or Poor Granule Shape
In many factories, operators struggle to keep pellets uniform. This happens frequently in cat litter granulating machines, such as disc pelletizers, drum pelletizers, or extrusion systems.
Possible Causes:
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Unstable moisture content in raw materials
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Inconsistent binder addition
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Incorrect disc angle or drum speed
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Poor mixing before granulation
Solutions:
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Maintain moisture at the optimal range for your material:
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Bentonite: 30–35%
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Tofu cat litter: 28–32%
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Use a continuous mixer to ensure uniform blending.
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Adjust rotational speed and slope on disc or drum equipment.
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Install automatic water-adding and binder-dosing devices in your cat litter pelletizing line.
2. Pellets Break Easily During Drying or Bagging
Weak granule strength is another common issue in clumping cat litter manufacturing.
Possible Causes:
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Insufficient kneading or mixing
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Low-quality binders
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Inadequate maturation time
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Over-drying
Solutions:
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Use a paddle mixer or high-shear mixer to increase internal bonding.
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Choose binders suitable for your formula (e.g., guar gum, corn starch, bentonite slurry).
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Control dryer outlet moisture to avoid brittle pellets.
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Consider a roller-press strengthening step for bentonite products.
3. Excessive Dust in Final Product
Dust not only affects product appearance but also user experience.
Reasons for Dust Formation:
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Incomplete granulation
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Mechanical abrasion during conveying
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Raw materials too dry
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Insufficient screening
Fixes:
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Add a fine-mist humidifier to the finishing section to reduce surface dust.
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Use a multi-layer vibrating screen in your cat litter processing equipment.
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Optimize conveyor angles and belt speeds.
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Add coating oil for tofu cat litter to reduce friction.
4. Production Bottlenecks and Low Output
Some factories find that despite quality equipment, productivity remains low.
Typical Causes:
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Crusher capacity mismatch
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Slow drying speed
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Insufficient cooling area
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Manual weighing/packaging
Solutions:
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Pair raw-material crushers with equal or higher throughput than the granulator.
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Use a rotary dryer with adjustable airflow and burner control.
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Add a counter-flow cooler to reduce drying load.
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Integrate automatic packing machines into the cat litter manufacturing line
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