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The operation and maintenance instructions of overflow ball mill

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The operation and maintenance instructions of overflow ball mill

July 10, 2023 nflg 0 Comments

The ball mill is an indispensable part in the beneficiation equipment and plays an important role in the crush techniques. The main types of ball mill are: cone energy-saving ball mill, Overflow Ball Mill, grid ball mill, tube ball mill, intermittent ball mill/ Ceramic ball mill, roller bearing ball mill, etc. In this text, Henan BEBON machinery mainly introduces the operation, maintenance, and examination of the overflow ball mill, offering convenience to the ball mill customers for references.

1. Operating Instruction:

(1). Check every section of the machine and the electric appliance to make sure the connecting bolt is tight before running. Make sure the lubricating point is smooth, the transmission device is reliable, the protective device is perfect, the electric appliance instrument is delicate, and the motor carbon is well contacted.

(2). Walk around the mill to make sure no barrier is around or in the moving parts of the equipment. When running, there shouldn’t be anyone around.

(3). Turn on the starter motor by press activate button and notice the change of the electric after all is checked normal. The continuous start of the ball mill can’t be over two times and the interval can’t be over 5 minutes. If you start the third time, you should first check it with electrician and locksmith. It can’t be start with other equipment and must start alternately to avoid tripping operation.

(4). Strictly keep to the rule on water supply, ore feeding, and steel ball adding when in normal operation. The overloaded operation is forbidden. The idle running time can’t be over 15 minutes to avoid breaking up lining plate.

(5). Check the barrel to avoid leakage and make sure the electric current, the voltage , the feedstock and the feedwater are normal when in operation. Check the temperature of the electric motor and principal axis once per half an hour to keep it lower than 60 centigrade degree. Once a problem is found, try to solve it in time.

(6). Check the rotation situations of the hollow shaft and the oil ring and the temperature of the hollow shaft when in operation. Once the hollow shaft is hot, the forced cooling measure should be taken immediately when near the burning tile. You can’t stop the mill right away to avoid the clasping axle. Meanwhile check the oil mass, temperature on lubricant housings. Add the oil at regular time.

(7). Stop the ore feeding before stopping the ball mill. Stop the water supply after the concentrate ore in the mill is processed. Press the stop button and pull down the electric break.

(8). Pull down the disconnecting link and press the stop button to stop ore feeding and water supply when the power fails without giving notice.

(9). Clean the equipment and keep the environmental sanitation after stopping the car. Make sure the civilized production.

2. Attendance Instruction:

(1).The operation and maintenance personnel of the ball mill should master the structural behavior of the equipment and the name, specification, function of every section.

(2). The operator should keep to the “four set” principle. Lubricate according to the notes on the lubrication chart. The use of the raw waste oil is forbidden. Keep the lubricating point clean.

(3). Keep the bearing temperature lower than 60 centigrade degree. Check the bolts and make sure they are tight and there is no abnormal sound. Check and make sure the ore feed and the water supply both are constant, the barrel doesn’t leak, the electric motor current and voltage are in normal condition, and the shield in the transmission part is in good order.

(4). Keep the facility environment clean. Other parts need to be disposed anytime apart from the operation part.

3. Maintenance Instruction:

(1). Repair cycle:

A. a month for fine repair

B. one to three months for minor repair

C. twelve to twenty four months for medium repair

D. sixty to one hundred and twenty months for heavy repair

(2). Repair content:

A. fine repair: mainly check the oil mass, adjust the gap between sections, enhance the bolts, change individual lining plate or check the wear pattern of the lining plate, and repair the feeder .

B. minor repair: check the wear pattern of the cleaning & measurement tooth surface and the lining plate, and change it when necessary.

C. medium repair: change the feeding parts, the transmission pinion and the bearing; disassemble and check the speed reducer; adjust the gear after its operation of 3-5 years and measure the hollow shaft after its operation of 3-5 years.

D. heavy repair: disassemble, check, clean, and measure all parts of the ball mill; repair or change the gear, hollow shaft, sphere tile, transmission shaft, pinion, and barrel according to the wear pattern; repair and change the electric appliance, and after the heavy repair to the electric appliance, the experimental operation and the acceptance check must be done.

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