Cement Grinding Aid Composition Patent. Nov 26, 2015· A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol. [PDF]Get price
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The cement grinding aids is additional material in liquid or solid form, admixed in small amount during the cement clinker grinding process which can significantly improve the grinding efficiency and reduce energy consumption, without compromising the performance of the cement. The cement grinding is an energy intensive process.
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The effect on the Performance of Cement Grinding Aid Components . Guo Yanmei. 1, a, Sun Shaofei. 2, b, * 1. ... improved 11.3%, which optimizes the grain composition of cement and increases strength of cement. The experimental research to provide technical support for the future development of
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Cement grinding aid composition (22) 31.05.2013 (43) 26.11.2015 (57) A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol.
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A grinding aid composition for cement clinker grinding comprising a mixture of at least one alkylene glycol represented by the formula: HO(AO) n H. wherein A represents a C 2-C 3 alkylene and n is an integer from 1 to 5 and particulate carbon in a weight ratio of alkylene glycol to carbon of 1:0.01 to 1:0.5. 2. The composition of claim 1 ...
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Grinding aid or grinding additives refer to substances which when mixed into the mill contents cause an increase in rate of size reduction [1]. These terms are very common in cement industries where it is used to increase the throughput to the mill. Grinding aid also affect the cement flowabilitiy throughout the circuits.
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Characterization of various cement grinding . 01/05/2009· The evaluation of the grinding aids (GA) was carried out by interground 0015% of each grinding aid with gypsum and a Portland cement clinker (95% clinker, 5% gypsum), in a 1 kg laboratory rotating ball mill, using steel balls as grinding medium, to a Blaine surface area of about 4000 cm 2 /g (according to the Blaine air …
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Effect of Grinding Aids on Wet Grinding. A variety of additives have been shown to have grinding aid characteristics for grinding cement clinker. Typical among these are amines, organosilicones, glycols, resins, cod oil, …
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1. a grinding aid composition for cement clinker grinding, comprising an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof and a glycol. 2. the grinding aid composition of claim 1 wherein the primary alkanolamine compound comprises one c 2-c 8 hydroxyalkyl group.
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The evaluation of the grinding aids (GA) was carried out by interground 0.015% of each grinding aid with gypsum and a Portland cement clinker (95% clinker, 5% gypsum), in a 1 kg laboratory rotating ball mill, using steel balls as grinding medium, to a Blaine surface area of about 4000 cm 2 /g (according to the Blaine air permeability method) .The composition of the clinker used is …
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the industrial grinding of cement, even without the use of grinding aids. Therefore it can be assumed that the surfaces of the majority of commercial clinkers are predominantly or even completely hy - droxylated. This is also important because it as-sists the grinding, in other words water is a weak grinding aid. The chemical reaction of oxide ions
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Grinding aids are organic compounds that are added to the mill during cement grinding. Their main purpose is to reduce the energy required to grind the clinker into a given fineness. In addition, some products (usually referred to as performance enhancers) provide positive effect on cement hydration improving strength development [1].
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A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol.
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Cement Grinding Aid Composition Dow Global. 8. The grinding aid composition of claim 1 comprising from 40 to 70 of the alkanolamine compound, from 25 to 50 of the glycol, and from 0 to 55 of water, each by weight based on the total weight of the grinding aid composition. 9. A cement mix comprising cement clinker, gypsum, and the grinding aid ...
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grinding aid cement mill chemical composition. cement grinding aids composition Mining World Quarry cement grinding aids composition A grinding aid is a chemical agent that makes it easier to grind and mix cement.
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1. A grinding aid composition for cement clinker grinding, comprising: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol. 2. The grinding aid composition of claim 1 wherein the primary alkanolamine compound comprises one C 2 -C 8 hydroxyalkyl group.
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What is claimed is: 1. A hydraulic cement additive composition comprising a polyglycerol, from 10% to 50% by weight of the total additive composition of a water-soluble glycol, from 10% to 40% by weight of the total additive composition of a water-soluble salt of an aliphatic acid having no more than three carbons, from 10% to 50% by weight of a water-soluble hydroxyalkyl amine …
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addition, grinding aid composition might not consist of mixtures of pure compounds, but rather more complex raw materials (Jeknavorian et al. 1998b). The grinding aids such as alkanolamines and glycols are also widely used in other kinds of chemical industry, e.g., as corrosion inhibitors, emulsifiers, laundry materials,
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cement grinding aid composition binq mining. cement grinding aid compositions patent 4828624 cement clinkers are ground in an aqueous environment using Cement Grinding Aid And Preparation . described cement grinding aid, its feed composition and weight percent are: trolamine 20, tri-isopropanolamine 10, ethylene glycol 15, propylene glycol
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The cement grinding process is the final chance to adjust the cement quality to meet the demands set by relevant standards and cement customers. It combines influences from different areas like the mechanical grinding process, the chemical and physical raw material properties and the cement formulation itself. Interactions between these effects ...
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Cement grinding aid compositions . United States Patent 4828624 . Abstract: Cement clinkers are ground in an aqueous environment using as a grinding aid, a composition comprising: TBL _____ Ingredients Percent by Weight _____ A water-soluble glycol 40-70 Urea as a 50% aqueous solution 60-30 _____ ...
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