Raw Mill

Raw Mill

Raw mill is mainly made use of in grinding raw components and end solutions in cement plant. It is also suitable for various ores and also other supplies metallurgy, mine, chemical and construction. Besides, it has two forms of milling, a single is definitely an open form, along with the other is often a recycle close form equipped with powder concentrator. It is actually broadly applied in lots of industries and has practical operation. Service online

Detailed introduction

Energy-saving principle and technical traits

  • 1, the working principle of ball mill is the ball mill rotates, centrifugal force developed by the rotation of cylinder grinding medium (stone) to a certain height right after falling, pounding and grinding effect on material.
  • 2, ball mill, when just feeding operation, the material is distinct guidelines, distinct shape, the shape, the ball mill with energy frequency 50 hz, but following a period of grinding, the shape in the material is crushed, fill in the gap for the grinding medium, while the ball mill retain energy frequency 50 hz, can only make a little quantity of supplies for grinding, if can adjust the speed in the ball mill, let the speed of your ball mill to a certain speed in order that the complete friction, the grinding medium and material can greatly enhance the efficiency of ball mill grinding, (if not reasonable to cut down the running speed of ball mill body, not just short of grinding impact, the opposite). So reasonable based on the connection in between the grinding medium and material grain size adjustment cylinder speed can efficiently strengthen the functioning efficiency of ball mill
  • 3, early ball mill from lotus root step-down beginning way, the starting existing on the motor can attain 6 ~ 7 times the rated existing on the motor, Uses the way of soft start late, the beginning existing of your motor can attain four to 5 instances the rated current in the motor, the beginning mode towards the impact of transformer power grid is too big, voltage fluctuation, energy aspect, starting energy consumption is too massive, also accelerate beginning with all the contactor, contained inside the ball mill is equipped using a mechanical transmission facilities aging degree, bring some negative aspect to the user.
  • 4, for the elements on the ball mill, the headquarters of our enterprise technical personnel and r&d staff through long-term tracking measurement and test, the saver, combined using the traits from the ball mill. In 06 years introduced a series of ball mill, it has the multistage speed output, can automatic tracking the harmonic torque compensation function, can limit the starting present ball mill within 2 instances, vector control motor load conditions, make the machine operating doing useful work, reducing power consumption to a minimum.

Technical data

Wet Raw Mill
Specification (Dia×Length) Rotating speed (r/min) Feed size (mm) Capacity (t/h) Grinding media load (t) Main motor Main reducer Weight(t)
Model Power(kw) Rotating speed (r.p.m) Model Reduction ratio
φ2.2×7 21.4 ≤3 20~25 31 YR148-8 380 740 ZD70-9 5 49
φ2.2×13 21.6 ≤25 33~37 58~60 YR630-8/1180 630 740 MBY630 5.6 53.4
φ2.4×13 21 ≤25 45~50 65~70 YR800-8/1180 800 740 JDX710 5.6 131
φ2.6×13 20 ≤25 45~46 80t(max) YR1000-8/1180 1000 740 TDX800 6.3 153
φ6.2×6.4 18.5 ≤25 32~41 86~90.5 TDMK1000-36 1000 740     134
Dry Raw Mill
Specification (Dia×Length) Rotating speed (r/min) Feed size (mm) Capacity (t/h) Grinding media load (t) Main motor Main reducer Weight(t)
Model Power(kw) Rotating speed (r.p.m) Model Reduction ratio
φ2.4×8 20.91 ≤25 25~28 39~42 JRQ1512-8 570 740 ZD80-9 5 76.4
φ2.4×10 20 ≤25 Open circuit 27~30
Closed circuit  38~40
50 YR710-8/1180 710 740 JDX630 5.6 111
φ2.4×11 21 ≤25 Open circuit 41~42
Closed circuit  46~48
62~65 YR800-8/1180 800 740 MBY710 6.3 125
φ2.4×12 21 ≤25 Open circuit 40~42
Closed circuit  45~48
63~65 YR800-8/1180 800 740 MBY710 6.3 127
φ2.4×13 21.5 ≤25 48~51 68~72 YR800-8/1180 800 740 MBY710 6.3 131
φ2.6×8 20 ≤25 30~35 54 YR630-8/1180 630 740 JDX630 5.6 135
φ2.6×10 20.91 ≤25 45~46 80 YR1000-8/1180 1000 740 JDX710 6.3 136
φ3×9 19.13 ≤25 50~55 76~80 YR1000-8/1180 1000 740 JDX800 6.3 145
φ3.2×7 18.25 ≤25 50~52 58 YR1000-8/1180 1000 740 MBY800 6.3 140
φ3.2×9 18.3 ≤25 60~70 90 YR1250-8/1430 1250 740 JDX900 7.1 175
φ4.6×10+3.5 15 ≤25 195 190   3550 740 JS150-B-F   476


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