Synthetic Gypsum Plant

Synthetic Gypsum Plant
Synthetic Gypsum Plant
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With suitable processes and devices, synthetic gypsum as industrial by-product can be a kind of cost-effective material, so that we’ve developed the synthetic gypsum plant. We offer synthetic gypsum plant turnkey project service, plant production power 30,000 t/year- 500,000 t/year. We also provide device customization service, including designing, manufacturing and upgrading. Services we also offer:

  • Material measurement and analysis;
  • Plant design and construction;
  • Device design, manufacturing and auditing;
  • Plant installation and test-run;
  • Personnel training;
  • After service & maintenance.
Production Processes

Synthetic gypsum production consists of a series of processes, including material handling and feeding, drying, calcining, grinding and milling, etc., as described below:

Features of Synthetic Gypsum Plant

Synthetic gypsum is an industrial by-product, containing over 10% of free water. Therefore we’ve improved processes according to our experiences: by pre-dry dihydrate gypsum first, then calcining using boiling furnace, we can get high qualified synthetic gypsum. Our plant also features:

  • New boiling furnace calcining process;
  • Gypsum powder aging process in finished silo by turning-over, get powder homogenized and cooled-down, avoid re-calcining;
  • Heat source: air heater using coal, gas (light oil) as fuel serves as heat source, using hot air as heat exchange medium, thermal efficiency > 85%;
    Preheating utilization system is applied, leading exhaust gas to the outlet position, getting it mixed with the high temperature flue gas stroke, to effectively save energy;
  • Using PLC, pressure transmitter and temperature electric regulation for furnace controlling. Outlet temperature of the system is controlled within the range of ±30℃. Products of the system features stable quality.
  • Rigorous experiments and accurate experimental devices are performed and applied in every part of our production, including raw material tests, production process experiments, quality inspection before leaving the factory, etc.
  • Dust removing system applies bag dust remover, the system is ensured running in negative pressure state. Waste gets discharged after being cleaned by dust removing.
Synthetic Gypsum Parameters:
  • Fineness: ≥80 mesh
  • Folding strength (direct relationship with raw material): ≥1.8MPa; compressive strength: ≥3.8MPa.
  • Main phase composition(adjustable) The content of hydrated gypsum:≥80%
    The content of raw gypsum:<5% The content of anhydrite(Ⅲ type): <5%
  • Initial setting time:3-8min(adjustable);final setting time:6-15min (adjustable).
  • Consistency:78-85(adjustable).
Material Consumption Parameters
t/year t/hour Raw Material Consumptiont/year
30,000 4.12 45,000
40,000 5.56 60,000
60,000 8.24 90,000
100,000 13.88 150,000
150,000 20.83 225,000
200,000 27.78 300,000
300,000 41.66 450,000
500,000 69.44 500,000
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