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Processed powder: cobalt, calcium carbonate CaCo3, titanium dioxide TIO2.
Masterbatch and additives
Our client, located in Tunisia, are specialist in the compounding and engineering of plastic components that offer a wide range of products for the automotive, electronic, construction and sanitation sectors.
The objective of the industrial installation is to unload raw materials while maintaining a healthy atmosphere without risk of dust pollution and loss of material.
Solution implemented
CaCO3 and TiO2 preparation unit.
A manual Sacktip®S bag emptying station is installed on a platform. It is fitted with a dust collection system and a bag compactor. The stainless steel containers mounted on wheels are positioned under the platform and are connected to the bag emptying station by a filling head with a telescopic cylinder and a flexible connecting sleeve. The operator manually doses the material into the container by counting the number of bags. Overfilling is avoided by a level sensor in the filling head. Once the high level is reached, the detection flashing light is activated. The same equipment can be used for CaCO3 and TiO2 with a washing operation between the two stages.
The Industrial Solution
CaCO3 and TiO2 preparation unit
A manual Sacktip® S bag dump station is installed on a mezzanine and fitted with a dust collection system and bag compactor. The stainless-steel IBCS, mounted on casters, are positioned under the platform and connect to the sack tip tray via a filling head with telescopic cylinder and flexible connecting sleeve. The operator manually feeds the material into the container by counting the number of bags. Overfilling is avoided by use of an integrated level sensor in the filling head. Once the high-level sensor is activated a detection flashing light is activated. The same equipment can be used for CaCO3 and TiO2 with a cleaning operation between the two stages.
Masterbatch mixing unit
After the raw materials are prepared in IBC totes, the bulk ingredients are lifted onto the platform via a manual hoist. The unloading of the raw materials is carried out on the first floor.
All additives are metered on the laboratory balance below the suction booth. The materials are prepared by weight at the same time the previous batch is being mixing. Once the pre-weighed materials are introduced into the bag emptying station, the valve is opened and the powder is introduced into the mixer.
CaCO3 and TiO2 are introduced into the industrial mixer in less then 15 minutes. The 1000L and 500L containers are manually moved to the station where they are connected by a flexible fitting. The flexible sleeve can be dismantled without the need for tools.
M50 extruder feeding
The M50 extruder is fed either from a container for CaCO3 or from a bottle for master batch. These equipment are lifted on the platform using the existing hoist. The request for CaCO3 is controlled by the level sensor of the hopper D5 in order to open or close the automatic butterfly valve.
M72 extruder feeding
The CaCO3 is supplied by a pneumatic conveying system. The storage containers are connected to the VFlow® pneumatic conveying system through a suction cane. The shared vacuum pump is used to supply the cyclone of the SF1 or SF2 dosing unit according to the signal from the buffer hopper. The master mixes are lifted on the platform using existing hoists. They are connected to existing hoppers with flexible connection sleeves that can be dismantled without tools.
