Common problems in the production of raymond mill

What to do when the temperature is too high in the production of Raymond mill? How to deal with the leakage of powder at the low end of the mill? These problems often occur in the grinding process failure problems. Failure regardless of the size of the impact is serious, some may lead directly to the inability to normal production; some do not delay the operation of the mill, but the impact of production efficiency; some lead to serious wear and tear of mill accessories, mill service life is shortened, each type of equipment irregularities are potentially large failure potential, so for equipment problems need to pay attention to treatment, so what are the common failures? Can we protect in advance? Today we come to a comprehensive understanding of the production of fault problems and solutions, and take precautions in advance.

10 mill failure phenomenon, causing harm, cause analysis and solution details:

1. Failure: slow startup of the host, impact: low productivity of the mill, delay in the production plan, reason: supporting motor power is not enough or voltage instability, solution: check whether the motor is in line with the power size of the mill, replace the suitable motor power, check the power line, set the voltage stabilizer.

2. Failure: mill host grinding chamber jam, consequences: host stuck can not produce, grinding bad grinding chamber grinding rollers grinding ring shovel knife and other wear parts, and even the whole machine ground crash, can not be repaired, Reason: there are iron and other foreign objects into the material into the feed too much or feed unevenly, Solution: control the Raymond machine uniform feeding volume, material hardness control in the appropriate amount of range, do a good job checking the feed before going out can not be grinded! Impurities.

3. Failure: grinding production line less powder or no powder, impact: power consumption, no real gain, useless operation, reasons: powder locker sealing is not tight, resulting in powder suction, air ducts are clogged or have air leakage problems, shovel knife wear and tear, etc., solution: check the sealing status of the locking device, dredge the pipeline of debris, air leakage repair treatment, replacement of the new shovel knife.

4. Failure: production temperature is too high, impact: low productivity, burned parts, cause analysis: machine friction is serious, poor heat dissipation, solution: do a good job of bearings, grinding rollers at the lubrication work to reduce the friction caused by the transmission process of the equipment, and pay attention to ventilation and cooling treatment.

5. Failure: mill bottom leakage, impact: reduce production output, working environment dusty, hazardous to health, reason: host shell and mill edge there is a gap, solution: the design of the recycling return device, blocking leakage device, you can also extend the distance between the outer edge of the material bed and the outer edge of the mill; increase a certain height of the baffle plate and so on.

6. Failure: the finished particles are not uniform and unqualified, impact: production is scrapped, the finished product does not meet the standard, reason: the fineness of the finished product by the wind volume, analyzer two parts of the control, the larger the wind volume, the lower the rotational speed of the analyzer, the finished product is thicker, and vice versa the finer, and the analyzer blades are seriously worn out and lose the role of sieving, solution: control the appropriate size of the wind volume and analyzer rotational speed, the blades worn out by the replacement of the new blades can be.

7. Failure: mill bearings do not work, impact: bearings are the core components of the mill operation, bearings do not work the whole machine to stop the operation, cause analysis: bearing wear and tear is serious, bearing lubrication effect is poor, the amount of internal dust caused by the embrace of the dead, the solution: replacement of new bearings, clean up the bearing debris, clean and add new lubricants, strengthen the sealing of bearings to protect the measures.

8. Failure: mill host noise vibration serious, impact: to the staff and the surrounding environment caused by noise pollution, vibration will cause damage to the machine parts, reasons: grinding room feed less, grinding roller grinding ring direct contact friction, shovel knife, grinding roller grinding ring wear serious deformation, feed material hardness of debris into, etc., the solution: control the amount of feed, replacement of the new grinding rollers grinding ring shovel knife, control the purity and hardness of feed material. Hardness problem.

9. Failure: supporting fan vibration is too large, impact: wind volume is not stable to affect the production, reason: wind blade on the accumulation of powder or wear and tear imbalance, foot bolt loose, solution: remove the blade accumulation of powder or replace the blade, tighten the foot bolt.

10. Failure: Raymond machine feeding mouth spray powder, impact: serious environmental pollution, production is blocked, reason: conveying pipeline valve state abnormal or bag duster dust too much, solution: check the state of all valves in the conveying pipeline, adjusted to the correct position, clean up the bag duster, to keep the dust removal device unimpeded.

Remind users not to panic when encountering grinding machine failure problems, shut down the power supply, according to the failure of the imagination corresponds to the corresponding parts of the inspection, find out the cause of the symptomatic medicine can be, Raymond milling equipment as an industrial powder machine, the object of the operation of limestone, marble and other ores, the intensity of the work is high, the dust in the powder is serious, the environmental conditions are poor, which is the cause of frequent failure of the grinding machine is the main cause of the main reasons, it is recommended that we pay attention to keep the mill working during the production activities. It is recommended that we pay attention to keep the working environment of the mill clean and tidy, maintenance from time to time, encounter small problems do not procrastinate timely processing.

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