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Ultra-Fine Grinding Mill

Ultra-Fine Grinding Mill supplier

The traditional lignite grinding mainly adopts medium-speed Ultra-Fine Grinding Mill, which has continuous problems in the production process, which is prone to equipment damage and serious explosion. In order to avoid this phenomenon, we apply the new Ultra-Fine Grinding Mill to the processing of lignite, and achieve high-efficiency grinding efficiency of lignite through reasonable process control.

Lignite is generally high-volatility, high moisture, medium and high calorific value, low ash, low sulfur, difficult to grind, easy to catch fire, easy to burn, easy to slagging, easy to spontaneous combustion, low fluidity of coal. The hazards of burning lignite are reflected in the problems of explosion of the milling system, burnout of the burner and coking of the furnace. The main reason is the high temperature of the Ultra-Fine Grinding Mill, the start/stop of the milling system and the breaking of coal, once/two times. Wind ratio and other factors.

The explosion of the milling system mainly occurs during the initial stage of starting (establishing the level) and stopping the purge level and during the low level operation of the Ultra-Fine Grinding Mill.

Therefore, the main measures to prevent the explosion of the milling system are generally from controlling the outlet temperature of the Ultra-Fine Grinding Mill, controlling the fineness of the coal powder, preventing the spontaneous combustion of the coal powder, controlling the oxygen concentration, controlling the drying condition of the coal powder, and preventing the pyrolysis of the coal powder. Combustible gas and other aspects of personnel, fine control of relevant parameters, you can try to use double-input and double-out steel ball Ultra-Fine Grinding Mill to grind lignite, if you can do careful planning, fine demonstration, precise control, you can fully achieve brown coal burning.

A company has been able to ensure the safety of personnel and equipment by using double-input and double-out steel ball Ultra-Fine Grinding Mill to grind lignite. According to the annual safety of 500,000 tons of lignite, the annual direct benefit is more than 30 million yuan, which reduces the company. The fuel operating costs broaden the fuel supply channels and increase the ability of companies to cope with risks and profits. Our company specializes in the production of steel ball Ultra-Fine Grinding Mill, which can customize the design of reasonable technology. Welcome to consult for details.


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