Coal Grinding Mill Plant
Coal Grinding mill plant can grind many materials for example cement, quartz, feldspar, calcite, dolomite, graphite, fluorite, wollastonite, rock phosphate, calcium magnesium phosphate, coal, gangue, slag, zircon sand, talc, granite, feldspar stone, marble, barite, ceramics, glass and more than a lot of forms of materials.
Coal grinding mill plant can be used to efficiently blend types of coal with fuel oil to improve bulk density. Xuanshi has been concerned with coal pulverized fuel for kiln and boiler firing for many years. Our coal mill plant pulverizer can handle all kind coal of various grades from hard coal, woody lignite and lignite to anthracite coal and petroleum coke, we can design and finish group of coal grinding plant from dry to grinding. One of the major usages with the coal mill or coal pulverizer would be to grind coal to micro powders to meet up with the requirements from the fire power plant.
Raw coal ( Crushed ) is fed through coal hopper near the top of the coal mill, then falls down by gravity to the grinder ring being pressed, crushed and milled into pieces by rollers. Centrifugal action forces the coal outward towards the grinding ring where it's pulverized between your ring and three grindingrollers. Following your first crush, coal powder fall under the next and third layer. The coarse coal powder is going to be brought in to the classifier.
Advantages of high pressure grinding mill
1. Compared with other mills, its capacity increases by 20%-30% under the same power condition, and compression force of rollers to material improve 800-1200 kgf under the force of high-pressure spring.
2.Size of final product can be mesh. Some can reach the fineness of 1000 mesh.
3. Meets the requirement of national dust-dump standard.
4. The separator can be adjusted very easily.
5. The multi-class seals are adopted to keep the grinding equipment tightly closed.
Coal grinding repair
When the coal grinding is under repairing, these jobs should do well: Checking the condition of back and front bearing room lubrication of main engine, if there is the oil piling with dirty, cleaning before changing the new lubrication grease, possibly decided by the wear and tear condition of bearing. Checking the bolts outside of the machine and tightening the loosed ones. Opening the main engine to check the wear and tear condition of coal hammer and new hammer should change if it is under serious wear and tear. Examining whether each scale board of shattered part has looseness with fixed bolt on engine, otherwise it needs tightening even changing a new scale board if it is seriously wearing and tearing.
Examining whether the connection bolts of fan blade has looseness and whether the fan blade is under serious abrasion. If so, tightening or changing according to condition of wear and tear.
Blast Furnace Slag Crushing Plant
Blast furnace slag is being broken by crushing equipment and additional grinded from the key grinding mill. Blast furnace slag crusher and grinding machine can also be widely used for crushing cement, Portland products, new building materials, refractories, fertilizers, along with black and non-ferrous metal processing industries including the production of glass ceramics, various ores as well as other materials could be grinding of dry or wet grinding.
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