Introduction

Based on the advices of customers and their long-term experiences, our expert’s have developed the latest type of MTW series grinding mills in the world .And it has obtained the international level and adopts many proprietary intellectual property rights , including the bevel gear integral transmission, inner light-oil lubrication system, arc whirl tube ,etc.

 

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MTW Series Trapezium Grinding Mill Working Principle

1.Raw material which has been crushed to the specific size is elevated into a hopper from which the stuff is loaded. And then through the vibrating feeder ,the materials will be transferred evenly and continuously into the grinding chamber for powder-processing. After this,the ground stuff is carried by the air from the blower into the classifer for regrinding.The set’s airflow system is closely sealed up and circulated under the condition of negative and positive pressure.
2.The grinder is driven by rotation of the central axle through gear ,with the up end of the axle connecting to a quincunx-rack upon which the grinding equipment is fixed. The whole set equipment turns together with the axle along the grinding ring while the rollers rotate driven by the fractional force .A set of shovel are installed at the lower end of the quincunx-rack.While turning together with the rollers ,the shovels shed the stuff onto the gap between the rollers and the ring ,and that’s where the stuff layer forms .The rotating rollers ,while turning together with the ring ,grind the stuff layer into powder.
3.The turning speed of the impeller can be adjusted to the requirement of the fineness of powder products .

Structure Features of MTW Series Continental Trapezoid Grinding mills

1. The MTW series grinding mills adopt bevel gear integral transmission,and features a compact and vertical structure, main unit ,as well as an evenly transmittion.
2.The important parts adopt high-quality steel ,which optimizes the appearance.
3.The electric system adopts centrallized control ,and features high degree of automation .and the size of the vibrating feeder is small and light ,which is controlable and energy-saving .

MTW Series Trapezium Grinding Mill Advantages

1.Bevel gear integral transmission: MTW series grinding mills adopt bevel gear integral transmission ,which will better compact the whole structure , simplify the installation as well as improve the efficiency.
2.Inner lubrication system: MTW series grinding mills adopt light-oil lubrication to achieve the lubrication between the main bearing and gear bearing, without oil pump or lubrication station.
3.Arc whirl tube: MTW series grinding mills adopt arc whirl tube to reduce the resistance and avoid the air-stop and so on.
4.Curved surface shovel with changeable edge: The traditional grinding mills adopt quick wear edge and edge is combined with shovel. If the edge is worn, all of the shovel should be changed ,which increases the cost and the off time. The edge of MTW series grinding mill adopts wearable alloy materials which improve the service life. The Changeable edge is easy to change ,which saves time and cost.
5.Insolating type cyclone collector: Adoption of the insolating structure between the inner core and mixed air flow improves the classifying efficiency and precision.
6.Non-resistance inlet shell: MTW series grinding mill adopts the same curved surface which avoids the eddy effect.

MTW Series Trapezium Grinding Mill Technical Parameters

Model	MTW110	MTW138	MTW175
Number of Roller	4	4	6
Internal Diameter of Ring(mm)	Ф1100	Ф1380	Ф1750
Main Engine Spindle Speed(r/min)	120	96	75
Max Feeding Size(mm)	< 30	< 35	< 40
Finished Size(mm)	1.6～0.045 Fineness can reach to 0.038	1.6～0.045 Fineness can reach to 0.038	1.6～0.045 Fineness can reach to 0.038
Capactity(t/h)	3.5～10	6.5～15	11～25
Overall Dimension（mm）	8910×6950×9010	9860×8340×10227	13500×11500×9500
Weight（t）	18	28.5	46

Note: This specification is just for reference, any changes are subject to the products.

 

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