Table of Contents
1.0 OBJECTIVE:-
1.1 This SOP is applicable for the procedure is applicable for cleaning of filters of FBD.
2.0 SCOPE: –
2.1 To prevent cross contamination between different products. This procedure is applicable for dismantling, cleaning and setting of Fluid Bed Drier. Drying of materials.
3.0 RESPONSIBILITY:-
3.1 Executions : Operator
3.2 Production officer
4.0 ACCOUNTABILITY:
4.1 Production Head
5.0 Procedure
5.1 Cleaning Procedure
5.1.1 Cleaning of FBD shell
5.1.2 Remove “TO BE CLEANED” tag form equipment
5.1.3 Turn “OFF” the electric supply & remove the plug.
5.1.4 Allow the filter bag to come down gradually by operating the filter bag command located in PLC panel.
5.1.5 Remove the finger bags from hooks and keep aside for cleaning.
5.1.6 DE dust the loose powder from the body parts (FBD shell) and the base portion of FBD by using vacuum suction or clean duster.
5.1.7 Wash thoroughly using running tape water.
5.1.8 Finally rinse with purified water and allow drying it.
5.1.9 Cleaning of FBD bag. :
5.1.10 Take the bag in washing area and soak it in hot tape water approximately an hour in a plastic container.
5.1.11 Remove the wet bag from container and scrub it using a nylon soft brush to remove adhered mass under running tap water.
5.1.12 Finally wash it with purified water and hang it to allow to be dried.
5.1.13 After drying is completed keep it in a polythene bag and keep in plastic drums or bucket with proper identification label.
5.1.14 Cleaning the surrounding area of the machines.
5.1.15 Setting : Fit a clean and dry filter bag
5.1.16 Affix a “CLEANED” Equipment tag on the machine.
5.1.17 Record the details in machine cleaning log as per annex: 1& II of this SOP.
5.2 Cleaning of Filter:
5.2.1 Open the lid of filters by unscrewing them.
5.2.2 Take out filters and take it near the reach of vacuum cleaner
5.2.3 Switch “ON” the Vacuum Cleaner and clean front and rear surface of both filters.
5.2.4 Take it bag to FBD and fit it in its original position.
5.2.5 Close the lid tightly.
5.2.6 Make entry in cleaning record. (As per Annex-1 of this sop
5.2.7 Precaution: Take care that filter should not be get damaged while cleaning. If it is found damaged before or after cleaning then replace it.
5.3 Operation of FBD:
5.3.1 Ensure the clean less of FBD and surrounding area
5.3.2 Ensure that clean card and under process label has been placed on the machine
5.3.3 Switch “ON” the main electric supply and air supply.
5.3.4 Check the main air pressure between 4 to 6 Kg/cm2 for vent and also check that the filter bag has been properly locked in its position
5.3.5 Set the process time, inlet temperature, outlet temperature, shaking time, etc. as per the requirement in PLC in either AUTO or MANUAL mode recipe.
5.3.6 Load the material to be dried in the bowl and fix the bowl to its position
5.3.7 Lock the trolley to hold firmly up
5.3.8 Push “ON” the auto or Manual button of PLC to start the drying cycle
5.3.9 At the end of the drying cycle shake the filter bags, Switch “OFF” the PLC. Release the on container to bring the trolley down. Take out the trolley and using a spatula / scoop, turn the Material upside down taking precaution not to damage the sieve at the bottom. Simultaneously Break the large lumps, If there, manually. Repeat the drying cycle (From 5.1.5 to 5.1.8) till the Material is dried.
5.3.10 Transfer the dried material in polythene lined drums properly labelled.
5.3.11 NOTE : After the drying process is over open the steam by-pass valve and close the steam by-pass valve after a lapse of two minutes on starting the drier.
5.3.12 Before starting the operation. Check for proper locking of the filter bag. Also check for air pressure, process time inlet temperature and outlet temperature setting.
5.3.13 Shake the filter bag so as to collect the material in the same trolley.
5.3.14 Check for the complete lifting of rubber gasket on which the trolley rests and also for leakages.
5.3.15 Affixed a “TO BE CLEANED” tag on machine.
6.0 ABBREVIATIONS:
6.1 EFF. : Effective
6.2 SOP : Standard Operating Procedure
6.3 Mfg. : Manufacturing