maintenance activities in best way cement industry chakwal
TRANSCRIPT
Maintenance Activities in Best Way Cement Industry Chakwal.
PRESENTED BY
SUBHAN ULLAH
CLASS NO: 67
AZIZ UR REHMAN
CLASS NO: 66
IntroductionCement Production ProcessPreventive Maintenance
Daily Maintenance Weekly MaintenanceFortnightly MaintenanceMonthly Maintenance
Corrective MaintenanceShutdown MaintenanceEquipment recordsInventory control
OVERVIEW
Bestway Cement Limited is part of the Bestway Group of the United Kingdom, founded by Sir Mohammed Anwar Pervez nearly thirty three years ago.
Initially in 1994 a cement plant was installed at hattar haripur having a production capacity of about 1.6 million tons per year.
In 2004, another plant was installed at Chakwal.Currently there are two production lines at Chakwal having a combined
production capacity of 4 million tons per year.With 6 million tons of annual production Bestway is the 2nd largest
cement producer in the country.Best way enjoys about 20% of the local market share.It mainly exports its product to Afghanistan, Bangladesh and Sri Lanka.It is the first cement industry of the country that has installed a WHRPP
INTROCTION
Crushing, blending and fine milling of limestone (calcium carbonate) and other materials containing silica, alumina and iron oxides
This fine powder is then heated to temperatures as high as 1,450°C in a kiln where the compounds react chemically to form clinker
Cooling the clinker in grate coolerOther additives such as fly ash and gypsum added to clinker and
converted to fine powder in a large ball mill, known as cement mill
CEMENT PRODUCTION PROCESS
clinker
STEPS
PM may be described as the care and servicing by individuals involved with maintenance to keep equipment/facilities in satisfactory operational state
In BW the preventive maintenance is carried out on daily, weekly, fortnightly and monthly basis
The condition of the equipment is judged by the noise, temperature, vibration level at different intervals during the shift
Daily PM operations includes : CleaningListening to abnormal voice and noting the vibration, speed(rpm),
current and temperature etcChecking all the instrumentsShift report
Preventive Maintenance
PM Schedules
Daily Maintenance
Weekly Maintenance
Fortnightly Maintenance
Monthly Maintenance
Preventive Maintenance contd…
To repair an equipment/item to its operational state.It is unplanned maintenance and performed when an item
is out of orderThe industry has its own workshop equipped with lathe
machines, drilling machines, milling machines and other equipment to carryout the corrective maintenance
In CM the equipment is to be stopped and for such maintenance a WORK PERMIT is required
Corrective Maintenance(repair)
Maintenance activities performed when the plant shutdown
In every process industry there the production goes on 24 hrs a day and you can’t stop the plant for performing minor maintenance
Shut down maintenance is planned on the basis of historical data ( shift reports and equipment records)
Generally the plant is shutdown after every 4 months for 3 to 4 days, depending upon the maintenance required
It includes both the PM and CMAnnual over haul
Shutdown Maitenance
Every section has an Equipment register.Containing;
Maintenance historyOperating manuals and Drawings
Each part has a unique identification code.Provides guidance for future.INVENTORY
Inventory plays a vital in maintenanceInventory is maintained on the basis of historical dataEach year in preparing the budgets every department
provides a list of spare parts and other equipment needed for the maintenance work
Equipment Records and Inventory