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.

www.ril.com

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

Other Industry Experience