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Safety operating procedures for production of active heavy calcium

2025-07-21

Before starting the equipment, the protective devices must be checked, and it is strictly forbidden to touch the running equipment with bare hands; chemicals should be stored away from fire sources, and protective equipment should be worn during operation; the workshop should be equipped with fire-fighting facilities, and warning signs should be set up in dangerous areas – strictly follow safety regulations and protect every link of production.

Safety operating procedures (safety operating requirements for each production link)

1. Raw material pretreatment and crushing and grinding stage

○ Equipment operation:

■ Before starting the equipment, check whether the safety devices such as protective covers and emergency stop buttons are intact.

■ It is strictly forbidden to directly touch the operating crushing equipment (such as jaw crusher, Raymond grinder) with your hands to prevent mechanical injuries.

■ Maintain equipment regularly to prevent material splashing and dust leakage caused by wear or malfunction.

○ Dust control:

■ Install dust removal equipment (bag dust collector, cyclone dust collector, etc.) to ensure that the dust concentration in the working area meets the standard (such as ≤8mg/m³).

■ Closed conveying system to reduce dust leakage.

○ Noise protection:

■ High-noise equipment (such as ball mills) must be equipped with sound insulation facilities, and workers must wear earplugs or earmuffs.

Modification stage

Chemical Management:

■ Modifiers (such as fatty acids, titanates) should be stored in a cool, ventilated warehouse, away from fire sources, and clearly labeled.

■ Use corrosion-resistant containers to prevent leakage or volatilization.

○ Operation Specifications:

■ Wear protective gloves and goggles when adding materials to prevent the modifier from contacting the skin or eyes.

■ Regularly check the sealing of reactors and spray equipment to prevent material splashing.

■ During the wet modification process, pH value and temperature are controlled to avoid danger caused by violent reactions.

○ Waste gas treatment:

■ The modification workshop is equipped with waste gas absorption equipment to treat volatile organic compounds (VOCs) and ensure that emissions meet standards.

Grading, crushing and packaging stage

○ Equipment security:

■ It is strictly forbidden to open the inspection port when the air flow mill or grading equipment is in operation.

■ Packaging machinery (such as automatic packaging lines) should be equipped with protective fences to prevent accidental contact with operating parts.

○ Electrostatic protection:

■ Ground the powder conveying pipeline and packaging equipment to prevent static electricity accumulation from causing dust explosion.

○ Heavy object handling:

■ Use mechanical lifting for ton bag packaging to avoid muscle strain or injury caused by manual handling.

General safety requirements

○ Firefighting facilities:

■ The workshop is equipped with fire extinguishers and fire hydrants, and fire emergency drills are conducted regularly.

○ Electrical safety:

■ The equipment is well grounded and no cables are exposed to avoid the risk of electric shock.

○ Warning signs:

■ Set up obvious warning signs in dangerous areas (such as high-temperature equipment and chemical warehouses) to indicate safety precautions.

○ Emergency Stop:

■ Each device is equipped with an emergency stop button to stop the machine and conduct inspection immediately if any abnormality occurs.

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