Dolomite mill is mainly suitable for the processing of mineral materials such as metallurgy, building materials, chemicals, and mines. It can grind and process calcium carbonate, heavy calcium powder, gypsum, coal gangue, limestone, pyrophyllite, calcite, potassium feldspar, marble, dolomite, kaolin, medical stone, bauxite, iron oxide red, ceramics, glass, etc. More than 280 kinds of materials in non-flammable and explosive mineral fields with Mohs hardness below 9 and humidity below 10%.
The complete configuration of dolomite mill includes hammer crusher, bucket elevator, storage bin, vibrating feeder, micro-powder mill host, frequency conversion classifier, double cyclone powder collector, pulse dust removal system, high-pressure fan, air Compressor, electrical control system.
Features of dolomite grinding mill
The structure is simple, the power consumption is small, the efficiency is high, and the installation and maintenance are convenient. There is no blade feeding in the mill, and the failure rate is low. Little noise and little vibration. Small investment cost, high pressure, more fine powder and other advantages. It is an indispensable good helper in the current milling industry.
Maintenance of dolomite grinding mill
1. During the use of the mill, fixed personnel should be responsible for guarding it, and the operator must have a certain technical level. Before the installation of the mill, the operator must undergo necessary technical training, so that they can understand the principle and performance of the mill and be familiar with the operating procedures.
2. In order to make the mill work normally, an equipment "equipment maintenance safety operation system" should be established to ensure the long-term safe operation of the mill, and necessary maintenance tools, grease and corresponding accessories should be provided.
3. After the mill has been used for a period of time, it should be overhauled, and at the same time, the wearing parts such as the grinding roller, grinding ring, blade, etc. should be overhauled and replaced. Before and after the grinding roller device is used, the connecting bolts and nuts should be carefully checked to see if there is any looseness , Whether the lubricating grease is added enough.
4. When the grinding roller device of the dolomite mill has been used for more than 500 hours and the grinding roller is replaced again, the rolling bearings in the roller sleeve must be cleaned, and the damaged parts should be replaced in time. The oiling tools can be manual oil pump and grease gun.
Working principle of dolomite grinding mill
When the mill is working, the motor of the main machine drives the main shaft and the turntable to rotate through the reducer, and the roller pins on the edge of the turntable drive dozens of grinding rollers to roll in the grinding ring raceway.
The dolomite raw material is broken into small particles by the hammer crusher, and then sent to the storage bin by the elevator, and then the dolomite particles are evenly sent to the upper part of the turntable through the vibrating feeder and the inclined feeding pipe. on the plate.
After being processed by the three-layer loop, it becomes dolomite powder, and the high-pressure fan sucks the external air into the machine through suction, and brings the crushed dolomite powder into the powder classifier.
After regrinding, the fine powder that meets the requirements enters the cyclone powder collector with the airflow and is discharged from the discharge valve at the lower part to become the final dolomite superfine powder, while the airflow with a small amount of fine dust is purified by the pulse dust collector. Exhaust through fan and muffler.
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