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Fully Continuous Ball Mill

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Product details

Full continuous ball mill process plan: The granular material and clay material are pre processed separately before entering the continuous ball mill.

（1）Description of gridge material goals:

1. The raw materials are crushed to 3mm and then transported to the standard warehouse by a forklift.

2. The bottom of the standard warehouse is equipped with a belt scale, which mixes the prepared materials through a drum screen and sends them to the transfer warehouse.

3. The transfer warehouse supplies materials to the continuous ball mill based on the output of the ball mill.

The appraisal technology has reached the international advanced level

Rotary pipe ﬂuid overseal technology has reached the international leading level

（2）Chemical slurry description:

1. According to the formula, the clay material is transported from the feeder to the continuous ball mill of the chemical slurry, and an appropriate amount of water is added according to the process design to assimilate the clay material into the chemical slurry.

2. Continuous ball mill discharge of slurry, the slurry is sieved through a vibrating circular sieve, and then iron is removed before being transported to an underground slurry tank for homogenization and use.

3. The discharge end of the chemical pulp ball is designed with a ﬁlter cone barrel to screen out impurities contained in the raw material.

4. The vibrating circular sieve removes the sand and gravel particles contained in the slurry and transports them to the sand and gravel silo for uniﬁed processing.

5. The slurry from the underground slurry tank is supplied to the continuous ball mill through a plunger pump according to the formula and production capacity according to the process design.

Compared with intermittent ball mill, continuous ball mill has the following advantages:

1. The biggest advantage of continuous ball mill is energy saving (see energy consumption comparison table for details);

2. Continuous ball mill through diﬀerent ball grinding division, gradually grinding, uniform particle size distribution, avoid overgrinding;

3. Under the same production scale, continuous ball mill covers less area, greatly reducing investment;

4. It can reduce labor, reduce the labor intensity of workers, and save the time of loading and discharging stock;

5. The quality of the slurry produced by the continuous ball mill is more stable, the particle size distribution is more uniform, and the data show that the furnace ﬁring temperature can be reduced by 7-8℃ .

Comparison of equipment energy consumption

Raw material particles 10-20mm, ﬁnished stock ﬁneness 250 mesh screen size 0.8-1.0

1. Intermittent ball mill power consumption per ton of powder
			Intermittent ball mill			Intermittent ball mill
power			160KW			280KW
Average operating current			210A			300A
Filling amount of raw materials			48T			68T
Ball milling time			Medium-high alumina nodules/pot			Medium-high alumina nodules
Power consumption per mill			210Ax380Vx1.732x0.85x15h/1000=1762.2Kw.h			300Ax380Vx1.732x0.85x14h/1000=2349.6Kw.h
Power consumption			1762.2Kwh/48T=36.71KW.h/T			2349.6Kwh/68T=34.55Kw.h/T
2. The intermittent ball mill combined with the three-piece continuous ball mill is a semi-continuous system of power consumption per ton of powder
			Intermittent ball mill				Continuous ball mill
power			280KW				355KWx3=1065KW
Average operating current			320A				280A
Filling amount of raw materials			68T				45T/h
Milling time			7h/ pot				Continuous operation
Power consumption per mill			320Ax380Vx1.732x0.85x7h/1000=1253.1Kw.h				280Ax380Vx1.732x0.85x3/1000=469.9Kw.h
Power consumption			1253.1Kw.h/68T=18.43Kw.h/T				469.9Kwh/45T=10.44Kw.h/T
amount to			18.43+10.43+0.3( )=29.17Kw.h/T Plunger pump
3. Full continuous ball mill power consumption per ton of powder including crushing and slurry
device	DG1400 :20mm-3mm				1.85Kw.h/T
	Single continuous ball mill slurry				162Ax380Vx1.732x0.85/50/1000=1.81Kw.h/T
	Six continuous ball mill				455Ax380Vx1.732x0.85x6 /65T/1000=23.49Kw.h pcs
	Plunger pump power consumption				0.3Kw.h/T
Calculate unit ton consumption based on barren material: plastic material=7:3					1.85x0.5+1.81x0.3+23.29+0.1=25.06Kw.h/T
4. Comparison of energy consumption among three ball milling methods
		Intermittent ball mill process		Semi-continuous ball milling process				Full continuous ball milling process
Power consumption		34.55Kw.h		29.17Kw. h				25.06Kw.h
Power saving rate%				（34.55-28.87）/34.55=15.57%				（34.55-25.06）/34.55=27.5%