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Clinker % 60 Feed size mm 90%<30 mm Max 40 mm Moisture % Max Gypsum % 5 Battery limits From cement mill hoppers to product discharge airslide which feeds the material to silo feed elevator Modification in flyash extraction and feeding system upto mill inlet / outlet Annexure V 2 of 28 711 HP1 1 FEED HOPPER FOR CLINKER EXISTING RCC Capacity MT 260 711 HP2 1
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The following are several important factors affecting the cement clinker quality In the process of clinker production strict control of these factors can ensure the production of high quality high yield clinker 1 Lime Saturation Factor The lime saturation factor LSF is a ratio of CaO to other oxides it is used to control the proportion
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15/12/2015· Mill speed rpm 17 Fan motor power kW The decrease in motor power consumption from 79% to % of ultimate capacity is another indicator of improved clinker processing The mill sound and power consumption were readjusted to around 83 ± dB and 79% ± % respectively by increasing gradually B0 to ± ton/hr Table 3 Further increases in B0 would not be desirable
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Raw Mill Optimization Module The Raw Mill Optimization option controls both the temperature the feed rate to the mill and the separator speed in order to achieve the required throughput for kiln Where starting the mill requires dampers to be moved to change gas flow paths the module will also respond to these effects to keep the system stable
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Fresh feed clinker alone 130kg/hr Table speed 98rpm Working pressure 150bar Separator speed 650rpm Fresh air 480m 3 /hr Temperature after separator 90°C ΔP mill 21mBar Fineness Blaine target 4200cm 2 /g The differential pressure between the inlet and outlet of the mill ΔP mill is an important process variable for the testing of grinding aids ΔP mill reflects the
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Unidan Mill S type FLS Ball mill which are used in the Cement industry for grinding clinker material The present mill inlet chute can be used for the two compartment ball mills only in which primary and finish grinding both are takes place It may be a closed or open circuit grinding systems In recent days the Ball mill grinding systems are used with the Roller press and it is developing
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Keywords clinker pet coke ball mill grindability fineness constant at kg for all experiments and the mill was rotated at 48 rpm For effective size In rotary kiln remaining calcination and other reactions of formation of clinker As was mentioned above the ball mill is commonly used for fine milling of
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Grinding raw material and clinker causes considerable wear to the grinding mill Starting the mill direct on line stresses the mill and the gearbox increasing the risk of gearbox failure and shortens the lifetime of mechanical equipment VSDs help optimize the mill speed to match the material flow thus minimizing the wear of the grinding mill
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· How slow is too slow for a gear motor to run my mill a lot of threads suggest 120 rpm is is somethign under 100 rpm manageable
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The cement mill represented in figure 1 consists of a ball mill in closed loop with a separator The separator is driven by its rotational speed v rpm The rotating ball mill is fed with cement clinker at feeding rate u tons/h in which balls perform the breakage of the material particles by fracture and/or attrition The output material
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· The evaluation of grinding aid GA effect on clinker processing in laboratory grinding mills is relatively simple Yet the results obtained cannot be directly transposed to industrial mills given the fundamentally different operational modes and grinding parameters This paper seeks to evaluate the scale effect by comparing the results obtained from a closed circuit tube mill operating at
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The main power consumption of a clinker cooler is its cooling fans It usually takes m 3 under standard conditions to cool 1 kg clinker from 1400 ℃ to 65 ℃ and the power consumption of the whole system is about 7 kWh If the air consumption per kilogram of clinker cooling is reduced from 2 m 3 to m 3 the air consumption efficiency will be 15% lower than that of other cement
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For all experiments the mill was rotated at 65 rpm 60% of the critical speed These conditions were selected because the net mill power draw under these operating variables is maximal Touil et al 2004 Different mono sized fractions between 4 and mm of cement clinker obtained from Lafarge Martres plant France were prepared
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03/02/2021· Atox vertical roller mill 160 tph 15% R at 90 µ RAR L dynamic separator 116 rpm 324 000 m3/hr process bag filter Pyroprocess JETFLEX burner Six stage single string ILC preheater 1800 tpd kiln dia x 50 m CB 8 X 33 clinker cooler CC110 X 220 clinker crusher hammer V belt 198 000 m3/h ESP at the cooler vent
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Clinkers Production Line Vertical Mill Clinker grinding vertical roller mill crusher mills first vertical roller mill for cement grinding by mark simmons production manager 50% less power than a ball mill when grinding the same clinker to 3900 experience with the operation of vertical roller mills for Contact Us Need more additional information or queries We are here to help Please
Get PriceGrinding raw material and clinker causes considerable wear to the grinding mill Starting the mill direct on line stresses the mill and the gearbox increasing the risk of gearbox failure and shortens the lifetime of mechanical equipment VSDs help optimize the mill speed to match the material flow thus minimizing the wear of the grinding mill
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· 1 Introduction Clinker milling is the last step in production of Portland cement Nodular clinkers produced in a rotary kiln in a cement plant are ground together with gypsum into a fine powder of particle size less than 100 μm and with a surface area of 330 380 m 2 /kg for production of ordinary Portland cement The fineness of the particles is a critical aspect that governs the
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A process for forming cement clinker using mill scale that may have hydrocarbons associated therewith Normal feedstock material is preheated and then transferred to a combustion area The mill scale is also transferred to the combustion area where during the process of burning a material the unwanted hydrocarbons are volatilized and converted to harmless gaseous products by combustion
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Ball mills are normally operated at around 75% of critical speed so a mill with diameter 5 metres will turn at around 14 rpm The mill is usually divided into at least two chambers allowing the use of different sizes of grinding media Large balls are used at the inlet to crush clinker nodules which can be over 25 mm in diameter Ball diameter here is in the range 60 80 mm In a two
Get PriceCement kiln is the main equipment for clinker sintering From structure it can be divided into rotary cement kiln and shaft kiln while from the working principle it can be divided into the dry method and wet method kiln AGICO offers different types of cement kilns from 10 5000t/d with steady running high efficiency and large output
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