BI Comb SGM.GB

4.6 REMOVAL OF THE DISCHARGED ASHThe ash removal screw discharges from the front side of theboiler, to the left or right as desired, at a certain height fromthe floor. For correct automatic operation of the unit as awhole, a pick-up for conveying the ash to a collection bin isrequired. This pick-up system can be made up of a screw orother conveying device able to handle temperatures of atleast 400°C. The following are diagrams of typical solutions.The choice of system will obviously depend on the spaceavailable in the heating plant, with the pit solution preferredwhere possible, to allow free access to the various doors andhatches of the boiler bed and the boiler.4.6.1 ASH REMOVAL TO BINBOILER BODYBOILER BEDFig. 114.6.2 DIRECT ASH REMOVAL, TO UNDERGROUND BINVIEW FROM WREMOVABLE GRATEFig. 1216