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Biosolids Sliding Frame Silos

Biosolids Sliding Frame Silos

Biosolids Sliding Frame Silos

(OP)
We're looking at biosolids storage silos for 23% aerobically digested WAS. If anyone has practical experience with sliding frame (push floor) silos can they comment on their effectiveness, does the product deteriorate through the mechanical workings of the outloading system etc.

Thanks
Andrew

RE: Biosolids Sliding Frame Silos

I have experience with these units. The cake will certainly degrade in the silo. We never fill the silo over 50% full as anything above this leads to leachate leakiing from the base of the silo and the cake at the base fo the silo becomes very wet. Any moisture condenses on the sides of the silo and rus to the bottom.
The hydraulic rams have also caused problems, especially with wet heavey sludge and have jammed on a number of occassions resulting in very expensive repairs. How do you plan to get you cake into the silo? Also in term of unloading, will the silo base be at ground level and then a conveyor taking up to load trucks? Or, will the silo be evelaated to allow trucks to drive underneath it for loading?

RE: Biosolids Sliding Frame Silos

(OP)
ch81pc

Thanks for your observations. We plan to have an elevated silo for direct loading into trucks in order to mitigate the amount of conveying. Inclined belt conveyors to get the product up to the silos.

RE: Biosolids Sliding Frame Silos

OK that should make things easier, but be careful of the inlet drive that will be at the top of the silo. Very diffcult to get at for repair, maintainance not great unless your technicians like climbing ladders and gets the worst of any wind, rain and cold!

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