In Tamil Nadu, stone crushers work similarly to crushers in other parts of India, but they must comply with state-specific regulations. Here’s how they operate:
1. Types of Crushers Used in Tamil Nadu
– Jaw Crusher – Primary crushing (breaks large stones into smaller pieces).
– Cone Crusher – Secondary crushing (further reduces size).
– Impact Crusher – Used for softer stones.
– VSI (Vertical Shaft Impactor) – Produces fine sand and aggregates.
– Mobile Crushers – Used for temporary sites.
2. Working Process
– Feeding: Large rocks are dumped into a hopper.
– Crushing: The primary crusher (jaw/cone) breaks them into smaller pieces.
– Screening: Vibrating screens separate crushed material into different sizes.
– Conveying: Belts transport crushed stones to stockpiles or secondary crushers.
– Final Product: Aggregates (6mm, 12mm, 20mm, 40mm) and M-sand are produced.
3. Regulations in Tamil Nadu
– Must obtain a license from the Tamil Nadu Pollution Control Board (TNPCB).
– Must follow noise and dust control measures (water sprinklers, dust suppression systems).
– Should be located at least 500 meters from residential areas.
– Must comply with mining laws if sourcing raw material from quarries.
4. Major Crusher Zones in Tamil Nadu
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– Madurai
– Tirunelveli
– Salem
– Karur
5. Environmental Concerns & Solutions
– Dust pollution → Use of water sprayers and enclosures.
– Noise pollution → Sound barriers and restricted working hours.
– Illegal mining → Strict monitoring by TNPCB.
Would you like details on specific crusher manufacturers or legal procedures for setting up a unit?
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