| 摘要 |
<p>SEMORT, an engineered alternative for plaster/mortar sand, for replacing river sand in making of plaster and mortar in construction, by drying the manufactured sand(alternative unground slag) if moisture is higher than 1% in an Electric or Fuel fired Dryer, which operates in temperature range of 300 -500 Degree Celsius and transferring to a sand storage yard, having a vibratory screen to separate out sand particles of size less than 2.4 mm and is transferred to an intermediary storage bin with load cell. Following additives are added: Fly-Ash or Pulverized Fuel Ash or ground blast furnace slag, Hydrated Lime or other forms of Calcium Hydroxide, Gypsum or Calcium Sulphate Dehydrate, Silica Fume or Powder/Metakaolin/Rice Husk Ash, Any one or combination of Water retainers, Rheology Modifiers, super plasticizers, air entrainers, water proofing chemicals, poly fibers. Then, it is transferred to a mixer for mixing with additives for a period of 1 to 3 minutes.</p> |
