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However, the grinding according to the invention is further improved by an addition of a grinding aid, for example, triethanolamine. The Portland cement that is ground to the ultrafine cement may b...
A further object of this invention is to provide a discharge grid which is particularly adapted for the system and method of grinding described herein.Other objects will appear from the following d...
I claim: 1. In a classifier which comprises a downwardly tapering chamber, means for withdrawing material respectively from lower and upper portions of the chamber,gypsum powder plant and an agitat...
The steel ball is the medium which is used for grinding material of ball mill, which is applied to impact and grind the raw materials in the operation of ball mill in order to make the material bec...
In this regard it may be noted that grinding agents such as stearic acid heretofore used in wet-milling aluminum flake pigments dissolve in the hydrocarbon solvent used as the wet-milling vehicle; ...
Coarse grinding raymond mill is in the design of 20 years of experience in the invention of an efficient system of multi-purpose milling sand (sand) devices. First, the application of raymond mill:...
Barite is a type of non-metallic mineral product whose main component is baSO4. It usually exists in low temperature hydrothermal vein such as quartz-barite vein and fluorite-barite vein and coexis...
While this invention is not to be considered as restricted to any particular theory there are certain hypothetical explanations which are useful in considering the subject matter of this specificat...
A method of preparing a polychloroprene-base adhesive characterized by excellent shear strength which comprises the steps of preparing a first solution by dissolving unmilled polychloroprene in fro...
The traditional method required 13,445 individual evaluations while the new approach required only 2,000 estimates. Results from the new approach were compared with those from the traditional metho...
UNITED STATES PATENT OFFICE 2,186,792 CEMENT MANUFACTURE George C. Wilsnack, Easton, Pa., assignor, by direct and mesne assignments, of one-half to Edison Cement Corporation, New Village, N. J., a ...
My said disintegrator, wherein the material, instead of being crushed or ground, is subjected to the whipping action of numerous flexible blades secured to the rapidly-revolving cone, by which oper...
A machine for treating ore which comprises a furnace having an upright shaft, means for charging the shaft with ore, means intermediate the ends of the shaft for introducing hot gaseous products of...
We have found that dry grinding tobacco to a fine powder and then mixing with a fluid medium, such as water, without the above grinding or colloid mill action makes possible the formation of an int...
When the liquid used is acetone or other low boiling, water-miscible liquid, it is preferred to dilute the mixture somewhat with water and to recover the acetone, or other liquid, by conventional d...
EXAMPLE IV Decorating composition containing gold n-dodecyl mercaptide A mixture of 6 parts by weight of the liquid bright gold described in Example IIB, 4 par-ts by weight of crude gold n-dodecy l...
In the updraft firing zone, off-gases from the preheating zone windbox 20 which are not used for updraft drying as before explained, are passed through crossconnecting line 37 to line 38 where they...
The distribution area of the mineral resources in Shanxi Province has obvious characteristics, and at present, the mineral products that are known the resources reserve are 92. The important minera...
