Range Screen Systems MI Screens and MID Screens with Compactor MI-Range Screens - Operation MI-range screens are integrated machines consisting of a screen, a shaft-less spiral and a press unit. During operation, solids within the incoming flow will progressively collect onto the screen mesh and cause it to gradually blind. The upstream water level will rise and at a predetermined level, the spiral will be activated. Brushes fixed to the periphery at the lower section of the spiral will then clean the screen mesh and convey the solids up to the pressing zone. The solids or screenings are compacted and dewatered and depending upon the solid properties, a volume reduction of around 40% DS or greater can be achieved prior to discharging the screenings into a skip or wheelie bin. A jet wash facility will break down and remove faecal and other semi-solid or soluble matter and return it to the inlet flow. Additional jets can be installed to the wash system to meet a higher specification of organic removal from the solids. Faecal matter washing efficiencies greater than 90% can be achieved. MI-range screens can be supplied either for direct installation into a channel or as a complete package inside a stainlesssteel tank with or without the option of a bypass rake screen. Continuous bagging systems are available to receive screenings and abate odour, the screenings can then be sealed without any personal contact.  Download the catalogue
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