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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 ...
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...
In the-two, the internal screwthreads engage the massive adjustingbolt 18, which towards one end is provided with a right hand thread and towards the other end with a left hand thread. In its smoot...
Various substances have been described for use as active substance such as: higher molecular fatty acids i.e., acids with more than 8 carbon atoms and their salts; resinic acids and their salts; na...
Ordinarily with natural silicious cementrock of the average proportions in the manufacture of Portland cement it will be a convenient operation to accumulate in the stockhouse the cement-rock in th...
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...
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:...
Ceramic sand kiln equipment is widely used for the calcining and production of a variety of ceramsitematerials, such as dolomite, kaolin, bauxite, refractory furnace materials, cement, limestone, t...
Different embodiments of the methanation stage can be described as follows with reference to FIGS. 2 to 4. The reaction product from methanation stage F, after cooling with the condensation of wate...
The method of making artificial hardened blocks for building purposes, comprising molding in a unitary mass rich concrete material having imbedded therein pebbles of granite material and having gro...
Belt machine, which is also called belt conveyor, is widely used for transporting machinery in mining, chemical, cement plant. Technical advantages of belt machine (conveyer): First, belt conveyor...
In recent years, according to structure adjustment, transformation and upgrade requirements of China's mining machinery, China determines the new development strategy that adhere to independent i...
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...
