A typical Mud Slurry Mixing System has an approximate capacity of 20,000 gallons, where multiple mixers are typically applied to achieve economical optimums for the mixer and mix tank, assuming that the space (floor print ) is available .  

The tank design to the right is a is a typical 20,000 gallon mix tank that presents an alternative to using one (1) 20,000 gallon vertical cylindrical tank design.  The basis of the design makes the following assumptions:

1. Maximum Specific Gravity = 1.80
2. Maximum Viscosity = 250 centipoise
3. A 20,000 gallon steel tank, 38' long x 8.5' in width x 9' tall, with five (5) 4" support beams that span the 8.5' width, providing five (5) separate and equal mix volumes supplied by others.  
4. Twelve in-tank anti-swirl baffles, 9" wide, full straight side, centered for each mixer, located as indicated.  
5. 316D/316 Stainless Steel mixer wetted parts.
6. 230/460 Volt, 3 phase, 60 hertz power source.  Special duty motors available upon request.  
7. Mixer support beams supplied by others.     

The advantages are significant:

1. Risk investment is spread over five (5) mixers versus one large mixer investment.  Putting your eggs in one basket is only a good idea in a perfect world. 
2. Future servicing is spread over five mix zones versus complete shut down.  
3. The continual energy consumption of multiple mixers is 1/2 that of the single mixer design.  The laws of physics govern the solid suspension requirement, which may not be intuitive without knowledge of process design optimization.
4. The initial cost of five (5) smaller mixers combined is 73% of the cost of one (1) single large mixer.  This resulted directly from the consideration of mixer optimums.
5. Additional floor space is required, which is an obvious negative.   
6. Engineering Mixer Specification

Complete design for continuous 20,000 gallon Mud Slurry mixing system. Includes engineering specifications, complete mixer pricing, tank drawing, mixer mounting orientation for storage of mud slurry mixing.