In a quarry, the safe operation and use of a mobile jaw crusher is crucial, and it is directly related to production efficiency and operator safety. Here are some key points for safe operation and use:
Mobile jaw crusher installation and preparation
• Foundation installation:
The
mobile jaw crusher should be installed on a solid, flat ground to ensure that the foundation is stable to prevent uneven force on the machine body from causing cracks.
During installation, ensure that the crusher is kept at a sufficient safety distance from surrounding buildings or equipment.
• Inspection and debugging:
Before starting, the equipment must be fully inspected, including the wear of the crushing tooth plate, the tightening state of the connecting bolts, whether the protective cover of the pulley and flywheel is intact, the tightness of the V-belt and the tension rod spring, etc.
Adjust the size of the discharge port to ensure that it meets production requirements.
Check whether the oil volume in the oil storage tank (or dry oil storage tank) is sufficient and whether the lubrication system is intact.
• No-load test run:
Before officially putting it into production, a no-load test run should be carried out to observe whether the equipment is running smoothly and whether there are any abnormal sounds or vibrations.
The no-load test run time is generally not less than half an hour. Crushing operations can only be carried out after ensuring that all parts of the equipment are operating normally.
Safe operation of mobile jaw crusher
• Startup and shutdown:
Before starting, the oil pump motor and cooling system should be started first, and the motor should be started after the oil pressure and oil flow indicators are normal.
When shutting down, the ore feeding should be stopped first, and the crusher and related equipment should be stopped after all the ore in the crushing chamber is discharged.
• Uniform ore feeding:
During operation, attention must be paid to uniform ore feeding, avoiding lateral feeding or full feeding to prevent unilateral overload or overload.
The maximum size of the ore feeding block should not be greater than 0.85 times the width of the ore feeding port to prevent clogging the crushing chamber.
• Prevent non-crushed objects from entering:
When feeding, non-crushed objects (such as iron blocks, wood blocks, etc.) should be strictly prevented from entering the crusher to avoid damage to the equipment or accidents.
• Monitoring and inspection:
During the operation of the machine, regular inspections should be carried out to observe the working conditions of each component and the bearing temperature. For the sliding bearing temperature of large jaw crushers, it is usually not more than 60℃ to prevent the melting of alloy bearings and the occurrence of bearing burnout accidents.
If the bearing temperature is too high or other abnormal conditions are found, the machine should be stopped for inspection and treatment in time.
• Lubrication and maintenance:
Pay attention to the timely lubrication of the equipment during operation, add about 50% of the grease in the bearing seat, and replace it every 3-6 months.
When changing the oil, clean gasoline or kerosene should be used to clean the raceway of the ball bearing.
An appropriate amount of grease should be injected between the toggle plate and the toggle plate seat.
Personnel training and management
• Operator training:
Operators must undergo safety and technical education and training, and be familiar with the operating procedures and safety precautions of the equipment before they can take up their posts.
• Safety management system:
Establish and improve the safety management system, clarify job responsibilities and safety operating procedures, and ensure the safe operation of the equipment.
• Emergency handling:
Develop emergency plans to predict and prevent possible failures and accidents, and ensure that they can be handled quickly and effectively in emergency situations.
The safe operation and use of mobile jaw crusher requires strict compliance with operating procedures and safety precautions, strengthening the inspection, maintenance and care of the equipment to ensure the safe and stable operation of the equipment.
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Baichy Machinery is a factory supplier of mining machinery, mainly focusing on stone crushers, powder grinding mills, and mineral beneficiation plants. We can offer you a free design and completed solutions according to your project.
Baichy Heavy Industry has grown into a high-tech mining equipment comprehensive enterprise, integrating R&D, manufacturing, sales, and after-sales service, Passing ISO9001:2015 quality management system certifications. The main products are mobile jaw crushing plants, construction waste crushing plants, PE jaw crushers, VSI sand-making machines, Symons cone crushers, single-cylinder hydraulic cone crushers, PCX high-fine crushers, grinding mills, ball mills, and full sets of beneficiation equipment with an excellent level.
