Since its incorporation in 1956, The Daniels Co. has undertaken and successfully completed numerous projects, nearly all of which were carried out on a turnkey basis where Daniels assumed complete responsibility for design, engineering, fabrication, erection, and start-up of the facility.
In recent years, many major projects have been awarded to The Daniels Co. Generally, these contracts involved work in the following areas:
- "turnkey" construction of complete coal preparation facilities using conventional construction techniques.
- Modification and renovation of existing coal preparation facilities to increase throughput or improve performance.
- Design and installation of bulk storage, reclaim, and load-out facilities including batch-weigh unit train loading systems.
The following different process circuits have been used in the preparation plants.
- Coarse Coal
a. Heavy Media Vessel b. Jigs (last one built in 1988)
- Heavy Media Cyclones
a. Water only Cyclone / Heavy Media Cyclones
- Spiral Concentrators
a. Water only Cyclone / Spiral Concentrators
- Froth Flotation Cells
a. Conventional Cells
b. Column Cells
c. Stack Cells
- Thickener underflow dewatering
a. Solid Bowl Centrifuges
c. Plate and Frame Presses