range of speed of cement mill drive
Mill drive 358 5000 kW Diaphragm Double blind plate Mill speed 152 rpm GM in I chamber 107 t Critical speed 76 % GM in II chamber 217 t Separator Sepax 450M222 Separator Cyclone 4 nos Separator motor 300 kW Separator Fan m 3/h ESP Fan 74100 m 3/h 497 mmwg 375 mmwg 500 kW 110 kW
control of bag house fan, raw mill fan, cement mill fan and preheater fan Benefits High reliability and availability Reduced maintenance costs High efficiency Wider range of speed control (from 0 to 1000 rpm) Network power factor >095 Chettinad’s cement plant in Karikkali, India
3 Separator: A converterfed dc motor/variable speed slip ring induction motor can be employed The speed is controlled between 150300 rpm to adjust the fineness of the cement product The speed range is 1:10 by armature voltage control at constant torque 4
l The replacement resulted in the following benefits: − Higher availability − Reduced maintenance costs − Some 20 percent lower energy consumption − Wide range of speed control from 0 to 1,000 rpm Fig 3: Typical fan characteristic showing operating point Clinker cooler exhaust fan motor at Jura Cement
Rated speed: 1193 min1; Mounting: IM B3; Protection: IP 55; Cooling: IC 611; Weight: 30000 kg; Advantages we offer for industrial cement sector Menzel offers a comprehensive range of larger electric motors for the industrial cement sector
An important criterion of the drive train design would be that in the event of electrical power or drive loss the kiln's inertia must be prevented from accelerating freely, particularly rollover in reverse direction The worst case scenarios are with speeds (20003000
High throughput rates, permanent plant availability , optimized maintenance concepts – features of the MVR mill and the patented MultiDrive ® enabling Gebr Pfeiffer to meet the ever rising expectations of the industry Thanks to the innovative drive and active
i Raw mill and cement mill drives ii Kiln drives iii Crusher drives iv Waste from EE 74 at Birla Institute of Technology & Science, Pilani Hyderabad
Cement Manufacturing Your power transmission drives must be durable, reliable and efficient This isn’t an option; this must be the standard Recognizing this challenge, we offer solutions designed to withstand the harshest conditions while delivering the highest level of performance Our drives, distinguished for their robust design, easy
customized drive systems for all applications of the cement production – whatever the power requirements: few kilowatts or megawatts in the twodigit range In close cooperation with customers of the cement industry, we develop complete drive solutions for maximum performance, operational reliability and high energy utilization
In the cement manufacturing process the kiln is at the kiln including losses, operating speed range, reserve capacity, altitude and ambient temperature maintain a low rotational speed of the shell A The hydrostatic drive A newer (Figure 11) more robust compact version of
Lateral drive Our freshly redesigned MAAG® GEAR LGDX is a highly functional, compact lateral drive system for horizontal mills With its smart casing design, it can be positioned either on the horizontal axis of the mill or at 40° underneath it, delivering a
High throughput rates, permanent plant availability , optimized maintenance concepts – features of the MVR mill and the patented MultiDrive ® enabling Gebr Pfeiffer to meet the ever rising expectations of the industry Thanks to the innovative drive and active
Both the chambers of the cement mill were charged with 80% of the designed charge, which works out to 86 t in Ist chamber and 172 t in the IInd chamber The mill is utilised for production of OPC 33 grade, OPC 53 grade and PPC The blaines for the cements of different grades are being maintained as given below: Product Blaine Range(cm 2/g)
at the kiln or mill shell at normal operating speed when the main drive is operating • Full load running torque required at the kiln or mill shell at inching operating speed Typically this is set at 120% of main drive operating torque • The desired output speed at the shell Usually this is targeted at 01 RPM with a range of +50% / 10%
Cement plant motor up to 138 kV and 25 MW Cement plant motor manufacturing is one of our main product focuses Cement mills, fans, shredders in the production of cement, particularly large and efficient motors are required for the most diverse processes MENZEL offers individual motor solutions for all applications in the cement industry up
Cement Manufacturing Your power transmission drives must be durable, reliable and efficient This isn’t an option; this must be the standard Recognizing this challenge, we offer solutions designed to withstand the harshest conditions while delivering the highest level of performance Our drives, distinguished for their robust design, easy
This mill has a larger processing volume and operated at a middlerange speed but is capable of the finer grinding by the attrition mechanism and separation nozzle to discharge foreign materials, which often cause the reduction in the grinding capacity and the product quality Download : Download fullsize image; Fig 3
The unique doubleplanetary gear with torque split in the WPV Gear Unit allows the unparalleled performance range upwards of 8,000 kW The first gear stage passes about 25% of the torque directly to the output flange With the remaining 75% in the second
customized drive systems for all applications of the cement production – whatever the power requirements: few kilowatts or megawatts in the twodigit range In close cooperation with customers of the cement industry, we develop complete drive solutions for maximum performance, operational reliability and high energy utilization
In combination with the frequency converter, the motor delivers constant torque over a wide speed range, with consistently high efficiency As a result, we’ve managed to up the capacity of the drive system while reducing the footprint Now, the size of the drive system depends only on the dimensions of the mill
Process Machinery Component Parts Mobil Product(s)* Mobil Advantage Cement Kiln Drive Primary Gearbox Mobilgear SHC XMP Series Wear protection; high load capability; wide operating temperature range Open gears Mobilgear SHC 22M/46M Strong protection for slowspeed, heavily loaded open gear systems; applied thru
Cement plant motor up to 138 kV and 25 MW Cement plant motor manufacturing is one of our main product focuses Cement mills, fans, shredders in the production of cement, particularly large and efficient motors are required for the most diverse processes MENZEL offers individual motor solutions for all applications in the cement industry up
Application 1 Induced Draft Fan for Cement Kiln Drive Applications for Fans, Mills and Kilns Variable frequency drives are used to control the speed of fans, mills, conveyors and kilns in the cement industry VFDs are also used to smoothly start large mill motors, synchronize, and connect them across the line The following seven pages
OK™ raw mill with MAAG® WPV drive OK™ cement mill with MAAG® MAX drive Illustration of 6roller OK™ mills with the OK mill has been used to grind a wide range of materials from 100 percent slag with feed containing more than 20 percent moisture to limestone, pozzolan and fly ash parameters such as mill air flow, separator speed and
cement mills A schematic layout of a typical cement milling circuit is shown in Fig 1 The plant is made up of the interconnection of a ball mill and a separator The ball mill is fed with raw material (cement clinker) After grinding, the milled material is introduced in the separator where the finished product (ie, the particles that are
The unique doubleplanetary gear with torque split in the WPV Gear Unit allows the unparalleled performance range upwards of 8,000 kW The first gear stage passes about 25% of the torque directly to the output flange With the remaining 75% in the second
Walchandnagar Industries Limited (WIL) designs, manufactures and supplies Critically high speed Gear Drive system ( Increaser as well reducer ) as per API 613 standards for turbines & gas compressors Multistage low speed reducers parallel as well orthogonal orientation Heavy Duty planetary drive systems for Sugar Mill, Cement mills etc
The cement silos have a capacity of 3500 metric ton each and steel silo is having 700 metric ton capacity Figure 19: Silo 27 Industrial Internship Training Report 201516 | 26 Cement mill A cement mill is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement