low cost cement grinding aid patent

Home low cost cement grinding aid patent

A vacuum repairing tool for a crack/seam on surface of an object includes an injector for extracting air and injecting glue, and a sticky pad for fixing on an object surface. A perfusion repairing area corresponding to the crack/seam and glue applying areas for applying glue are arranged on the bottom surface of the sticky pad, and the glue applying areas are on the outer sides of the ...


Use of the grinding aid renders the grinding process more efficient and improves the performance of concrete, namely improved workability or reduced water-to-cement ratio for the same workability. (ii) United States Patent 5084103:


Justia - Patents - Patents and Patent Application Resources. Abstract: A hydraulic composition includes in relative parts by mass with respect to the cement 100 parts of cement the particles of which have a BET specific surface area comprised from 1.20 to 5 m2/g; 32 to 42 parts of water; 5 to 50 parts of a mineral addition A1 the particles of which have a D50 less than or equal to 6 …


Some examples of grinding aids which have been successfully utilized on a commercial scale in the grinding of Portland cement clinker are phenol, acetic acid, amines and salts thereof, glycols, and combinations of the foregoing. U.S. Pat. No. 3,329,517 to Serafin discloses amine salts of acetic acid as grinding aids for Portland cement.


Abstract: The invention relates to a roller mill with a rotary grinding bowl, grinding rollers rolling thereon and retaining devices for influencing the grinding material movement between the grinding rollers. For increasing the throughput of a low-cost roller mill, low-cost, effective retaining devices are provided between the grinding rollers and are in each case constructed as a rotary ...


Green Tech Patent Reducing the impact of concrete in the construction industry will become ... "Ordinary Portland cement" refers to a hydraulic cement made from grinding clinker with gypsum. Portland cement contains calcium silicate, calcium ... cement make it one of the low-cost materials widely used throughout the world.


United States Patent 3619221 ... Cement grinding aid and pack set inhibitor: : Adams et al. 3053674: Portland cement concrete adjuvant: ... essentially pure amines are especially desirable for use in preparing the additive of the invention due to the relative low-cost of such products. ...


Having thus specifically described the subject invention, and the manner in which it must be put into practice, the following is claimed: 1. A method for obtaining microcement for injection grouts through the use of a grinding system that utilizes a mill connected to a high-efficiency separator (second generation with cyclones for dust collection), wherein the method comprises the stages of ...


Portland cement (often referred to as OPC, from Ordinary Portland Cement) is the most common type of cement in general use around the world because it is a basic ingredient of concrete, mortar, stucco and most non-specialty grout. It is a fine powder produced by grinding Portland cement clinker (more than 90%), a limited amount of calcium ...


EP3006415A1 EP13878580.3A EP13878580A EP3006415A1 EP 3006415 A1 EP3006415 A1 EP 3006415A1 EP 13878580 A EP13878580 A EP 13878580A EP 3006415 A1 EP3006415 A1 EP 3006415A1 Authority EP European Patent Office Prior art keywords cement nanocement portland cement clinker concrete Prior art date Legal status (The legal status is an assumption …


INTRODUCTIONFiber-cement composites exhibit improved toughness, ductility, flexural capacity, and crack resistance (crack bridging effects induced by fibres can improve resistance to crack propagation and crack opening) as compared to non-fiber reinforced cement-based materials.Since natural fibers demonstrate advantages such as availability, renewability, low cost, a variety of research ...


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 …


Crude bioglycerol from biodiesel and oleochemicals manufacturing is a multifunctional grinding aid and quality improver for the production of cement, capable of largely greening the concrete construction industry. This low-cost renewable by-product is now used by industry as a cement grinding aid as well as a curing and form-release agent ...


Sign up to our newsletter for new products & promotions. Newsletter. Sign Up for Our Newsletter:


Global Cement Grinding Aids Market: Definition and Introduction. The construction industry generates a huge demand for cement. The selection of cement is mainly dependent on efficiency and low cost. Cement grinding aids are used to improve the efficiency …


Low Cost Grinding Aids For Cement. Additives, as a grinding aid in a pilot plant cement molturation process, in comparison with a traditional additive. preliminary study to determine the most appropriate conditions for pilot plant milling, in order to obtain objective and significant results. determination and evaluation of the grinding aid performance of the new additives.


White cement is a special type of cement with a distinctive color. Moreover, it differs from conventional cement in chemical composition. White cement has low content of ferrous oxide (Fe 2 O 3) (0.2–0.4%) while grey cement content of (Fe 2 O 3) may reach 6% . The white color of this type of cement is its most important property.


A paving block with embedded photoluminescent material preferably includes a cast concrete base and fragments of a photoluminescent material. The cast concrete base is created by combining sand, aggregate and cement to form an uncured concrete mixture. The photoluminescent layer may be created from a polyester resin infused with a photoluminescent pigment or a silica-based …


The research addresses the issue of utilization of neutralized spent sulfuric acid pickling liquor, deposited in 1.62 ha lagoons, derived from steel industry, in cement production. Physical–chemical characteristics of the investigated waste revealed low levels of contaminants with the exception of sulfate anions. However, the presence of CaSO4·2H2O revealed a new utilization option …


grinding that made the mass production of Portland cement possible. Both the Portland cement industry and the concrete block indus-try experienced a phenomenal growth in the first decade of the twen-tieth century. In 1906 one writer noted, "Concrete blocks were prac-tically unknown in 1900, but it is probably safe to say that at the pres-


Cement grinding aids are certain surface active chemicals, often polar in nature, adding to the mill in small percentages to improve the performance of the mill. This is because with excellent surface activity can be easily adsorbed on cement particles, and …


Peter A. Claisse, in Civil Engineering Materials, 2016 28.2.3 Types of mortar. Cement lime mortar may be made at ratios of 1:0.25:3 (cement:lime:sand) for higher strength and durability down to 1:3:12 for a weaker mix capable of accommodating more movement. Cement lime mortar should not normally be used below the damp proof course (dpc). Masonry cement mortar is used where the sand is suitable ...


CN-106495577-B chemical patent summary. The method for preparing radiation shield concrete with discarded concrete and barite wet-grinding technology and relative device


Construction Chemicals Market Overview: According to the latest findings by the World Bank, the construction industry accounted for 25.396% of the world's total Gross Domestic Product (GDP). [1] The construction industry is going to observe progress as the sector will be play a key role in the sustainable development goals (SDGs) documented by the United Nations.


[6] David F. Myers, Columbia; Ellis M. Gartner(1991): UNITED STATES PATENT 4,990,190 [7] Preston L. Veltman(1967):" MINERAL GRINDING AIDS AND PROCESS OF GRINDING"UNITED STATES PATENT 33125305 [8] D.W.Fuestenau(1995):"GRINDING AIDS" Kona Powder and Particle Journal [9] Joseph J. Assaad, Salim E. Asseily,Jacques Harb(2008): EFFECT OF ...


They found that the concrete mixtures with the smallest particle sizes (38 μm) of the waste glass had the highest strength, indicating that at 90 days, the glass content increases the strength of cement paste up to 25%. Overall, waste glass shows promise as a low-cost cement replacement or aggregate.


The invention discloses a cement grinding aid, comprising calcium formate solution, compound glycerol distilled residue solution, triethanolamine, diols and molasses. While the product reutilizes the industrial wastes, the components of the product synergistically act to optimize the efficacy of the grinding process and the product modifies the cement particles, thus improving the quality and ...


CN1150979A CN 95118512 CN95118512A CN1150979A CN 1150979 A CN1150979 A CN 1150979A CN 95118512 CN95118512 CN 95118512 CN 95118512 A CN95118512 A CN 95118512A CN 1150979 A CN1150979 A CN 1150979A Authority CN China Prior art keywords cast steel resistant cast chromium wear chromium less Prior art date Legal status (The legal status is an assumption and is …


Recent progress in dry granulation. Dry granulation could be achieved either by roller compaction or by slugging. The two different types are illustrated in the schematic diagram Fig. 2.There has not been much progress in the dry granulation technique and technology in comparison to wet granulation, except for one important innovation known as pneumatic dry granulation technology …


Abstract: The invention provides novel carbonatable calcium silicate compositions and carbonatable calcium silicate phases that are made from widely available, low cost raw materials by a process suitable for large-scale production. The method of the invention is flexible in equipment and production requirements and is readily adaptable to manufacturing facilities of conventional cement.


Abstract: A heating furnace tube, a method of using the same and a method of manufacturing the same which have been developed with a view to eliminating inconveniences occurring when a carbon-containing fluid is made to flow in the heating furnace tube. The heating furnace tube which comprises a rare earth oxide particle distributed iron alloy containing 17-26 wt. % of Cr and 2-6 …


High coverage rates, low cost per ft 2; Area of Application. Excellent for architectural finish precast or poured-in-place concrete. Placement time up to 30 minutes. Heat resistance up to 150°F. For use with steel, concrete, plywood, plastic and many latex forms. Note that plywood forms should be sealed before use (see #245 Form Seal).


Taking advantage of the state-of-the-art graphene preparation technologies in China and abroad, this work studied the preparation processes of graphene for road applications based on the preliminary high-speed vibration ball milling method. This work combined numerical modeling and microscopic experiments. The preparation parameters were optimized through a multifactor and multilevel test …


MONOKOTE® Z-3306 thermal barrier is mixed with water in a plaster type mixer to form a consistent, pumpable slurry. This slurry is then spray applied. Where desired, the natural sprayed texture of the product can be lightly trowelled to form a semi-smooth, paintable surface. A thin (nominal 1/16 in.) latex stucco overspray may be applied to ...


A patent claims the use of ES powder as a grinding aid material, where ES is ground, sieved, moistened with water and mixed with the cement during milling. Use of the ES-based grinding aid reduced water consumption during milling and increased the product mechanical properties ( …


Grinding aids which are used commercially consist both polar and nonpolar functional group but molecules turn polar functional group towards the clinker[3]. 3.Effect of Grinding Aids on Cement Composition V.S.Ramchandran[10] conducted research on the effect of TEA on cement composition .Dicalciumsilicate(C2S),Tricalciumsilicate(C3S),Tri calcium ...