LDPE & LLDPE Pellets - Jumbo Bag filling
Client
Multinational Indian conglomerate Reliance have a strong presence in a number of industries including petrochemicals and telecommunications. Reliance’s Jamnagar Petroleum Refinery is the largest in the world.
Webster Griffin recently supplied a package of three Big Bag Filling lines for processing LDPE and LLDPE Resin and Pellets to Jamnagar.
Challenge
- The characteristics of the product meant the third system was required to be ATEX compliant across the board
- This system was also earmarked to be connected to several different product feed points
- Contaminated product not acceptable
- All three units had to be integrated with the customers existing control systems
- Machines had to connect at height to customer’s substantial system of product distribution silos
- The machines were supplied with two storey self-supporting platforms to allow operator access to the systems dosing valves and feed system
- The customer had a rigorous quality assurance system involving two third party consultants
- Systems were to be fitted with dust extraction units to mitigate risks of product dust
- Both Weighing and Check Weighing of filled bags. Refilling of underweight bags
- The customer wanted to be able to see Bag and Weight data for analysis and identification
- The customer wanted to be able to run the plant with minimal labour
Solution
- Webster Griffin proposed variations on the robust IBC PF4 machines modified through discussions with the customer and project consultants to suit the product to be processed by each machine
- Inline metal detection fitted to system feeds
Buffer hoppers and dosing valves for control of product moving from the main silos - 2 x Weigh platforms for bag weighing and check weighing
- Vibration table for maximum compaction of product
- Inline ticket printing system accessible to the operator for application of tickets
- Bag data transmission and logging
- Central operator platform enabled application of bag labels and bag tying from one point.
- Third system was designed to move along a WG supplied rail to allow connection to one of three silos
Result
- The system achieved 45 Jumbo Bags/hour throughput
- Excellent weight accuracy
- Reliable system running 24 hours
- Reduction in labour requirements to two machine operators and 1 forklift operator
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