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PRESENTATION OnManufacturing Process Of CementSubmitted by: Nitesh Meena Submitted to :Mr. Sulabh Nalwaya11Undertaken atJ.K. Cement WorksUnit: Nimbahera, ChittorgarhRajasthan

Under Supervision OfMr. R.P. SinghDeputy General Manager (Maint.)

Mr. Raj Shekhawat(Kiln - Cooler section head) Submitted by:Nitesh Meena

Mechanical engg. 2

3J.K. CEMENT WORKSNIMBAHERA, CHITTORGARHRAJASTHANINTRODUCTION The J.K. cement ltd. is the Unit of J.K. group cement works which is situated near the village Nimbahera.

First production of the unit is in 1985.

At first the company started with the production capacity of 0.5 million TPA .

Now a days company is producing 4.2 Million TPA. 53, 43 & 33 Grade cement is Produced

MiningLimestone CrushingStacking & ReclaimingRaw material GrindingAdditive materialRaw meal Storage & BlendingPreheating & CalcinationBurningClinker coolingClinker storageCement GrindingCement PackingCoal CrushingCoal GrindingCoal FiringGypsumFly Ash MixingPROCESS FLOWCHART5CementCCNMass %Calcium oxide, CaOC61-67%Silicon dioxide, SiO2S19-23%Aluminum oxide, Al2O3A2.5-6%Ferric oxide, Fe2O3F0-6%Sulfate1.5-4.5%Constituents of Portland Cement MINESLimestone (CaCO3) is taken from the Open cast mines

Two mines Khor & Suwakheda mines are the mines for the Vikram Cement Works

Processes Producing Limestone in mines Drilling of Holes:- Depth: 12mDia.: 100-150mm Charging:- Booster Charge (High explosive 15-20%) Column Charge (Low explosive 80-85%) Blasting:- Through explosive:Ammonium Nitrate (Fuel oil) Nitro-glycerine Slurry Explosive



Raw Material HandlingSPECIFICATIONS OF RECLAIMERCapacity : 400TPHBridge span: 29.2 metersNo. of wheels: 4Fast Speed: 10 M/minSlow Speed: 0.067M/minHarrow Speed: 10M/minSpeed of scraper chain: 30M/minWeight of Reclaimer: 120MT

Provide the material to conveyor beltRAW MILL

Line-I180 TPHLine-II180 TPHLine-III290 TPHRaw Mill Capacity Grind The Crushed Material In fine PowderCrushed Material From Conveyor Belt to HopperBALL MILL

Rotary kiln

400C C C 900145055-60 M Long 3.8-4.2 M Dia. 3-5.5 Rpm.Now powder Cooler for cooling and settingPACKING PLANTTWO TYPE OF PACKING