FIELD: process engineering.
SUBSTANCE: proposed process plant comprises hopper for Portland cement, hopper for fly ash or other type of additional materials, and hopper for cement kiln dust, or other type of additional materials, and polymer addition storage device. It comprises also proportioning devices, mixing devices, grinding devices and unloading devices. Proposed process plant differs from known designs in that it incorporates grinding assembly (6) intended for preliminary grinding of additional materials and grinding assembly (9) intended for preliminary grinding of Portland cement. Note here that behind aforesaid assemblies (6, 9) installed is grinding device (13) to grind preliminary ground components. Note also that aforesaid assemblies (6, 9) can be operated in open or closed cycle.
EFFECT: reduced release of carbon dioxide.
6 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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| GRINDING AGENT FOR MINERAL BINDING | 2013 |
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