B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
259/7
B01F 15/04 (2006.01) B28C 7/02 (2006.01)
Patent
CA 1223865
IMPROVED SLURRY RECLAMATION METHOD Abstract In a one hundred percent slurry reclamation installation, the design mix of the concrete is adjusted by measuring the specific gravity of a slurry to be substituted, selecting the percentage of slurry to be substituted for the fresh concrete mix design ingredi- ents, computing the amount of water, sand and active cement in the slurry from the relative amounts of active and passive solids in the slurry and the slurry specific gravity, and reducing the design values of water, cement and sand by the computed amounts when admixing the slurry to the reduced quantities of fresh ingredients. The amount of slurry water, slurry sand and slurry cement to be substituted, respectively, for the fresh water, fresh sand and fresh cement are each computed and these computed amounts are used to reduce the design mix amounts in accordance with specific mathematical relationships, which ensure that the quality of the concrete produced, as measured by slump, water/cement ratio and yield, is substantially the same as concrete produced according to the same design mix from entirely fresh ingredients. The process is implemented in existing control console equipment normally coupled to the batching console of a ready-mix plant. WWWWW1/5814-6
446753
Macrae & Co.
Weigh-Tech Inc.
Weigh-Tronix Inc.
LandOfFree
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