Saturday, January 24, 2015

Oil fracturing proppant News

1. Horizontal disc mixer
In the early ceramic sand granulation, horizontal disk-shaped mixer mixed with granulation process into one, the typical horizontal disc granulator, diameter up to 7.5ft (2.3m), deep 18in (0.5m) , material capacity of from 0.5 to 1t (0.5 to 0.9mg). Eccentrically mounted disc and the disc in the reverse tumbling mixing blades, to maintain a certain state of agitation, along with a ceramic proppants (e.g. water) is injected, they formed a dense pellet. For ceramic sand granulation, the mixing time is typically 2 or 3 minutes, automatic circulation system, its production rate is generally 12 to 15t / h (11 to 14rmg / h), but up to 30t / h (27mg / h) are also possible. In modern ceramic sand granulator industry, such a mixer (for example Eirich mixer rotating disc-shaped horizontal convection) is typically used for the swash plate granulator feed.
2. Blade mixer
Also known blender blade mixer, ceramic proppant manufacturers mixer, and kneader. Usually consists of horizontal trough and mounted on the inside of the agitator shaft. In the stirring shaft equipped with a rod, needle-shaped, plate-shaped stirring blades and other forms. The stirring tank can be a uniaxial type, a biaxial type or may be, but generally the most common two-shaft. Two counter-rotating shafts, shaft intermeshing paddle into the front and center of the material. Thick frame and impeller blades from the edge of the member or the composition, structure and firm, hard edge portion. Can be attached to the exhaust hood, spray systems and the use of stainless steel components. In addition to feeding the mixer end portion estuary, the charging port may be provided at any position along the length of the mixer, can be applied to a total length of the mixer, the mixer operation more flexible.

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