cement clinker production free patents

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Nozzle Lances and Systems for the Cement Industry

Increasing the capacity of the clinker cooler Reduced gas volumes for the filter Protection against overtemperature in downstream plant components Prevention of material buildup on walls and gas outlet duct our solution The injection takes place at the rear part of the clinker cooler, immediately upstream of the gas outlet. Depend

Effects and Control of Chemical Composition of Clinker for Cement ...

This research focused the role to study the effects and ways to control the chemical composition of clinker for better cement production. Cement is a substance produced by grinding a mixture of a ...

US Patent Application for METHOD FOR SEPARATING DIFFERENT CONSTITUENTS ...

A method of separating different constituents of a fine fraction that is produced in a prior method for separating a concrete for deconstruction. The method allows the reuse of these different constituents in the production of a new cement and/or of a new concrete, the fine fraction including sand and at least 30% by mass of hydrated cement paste.

Method to produce low temperature portland cement clinker

The invention relates to the construction materials industry and can be used for the production of low-temperature Portland cement clinker. A method of producing Portland cement clinker at the kiln furniture in which to reduce formed on the connection part chlorine containing chlorides gases withdrawn from the furnace chamber into the condenser, cooled compounds of chlorides in the condenser ...

Q&A: Why Cement Emissions Matter for Climate Change

The type of fuel and efficiency of equipment used during clinker production also have an impact. Meanwhile, the floor area of the world's buildings is projected to double in the next 40 years. This means cement production is set to grow to around 5bn tonnes by 2030, a 25% increase from today, reaching over four times 1990 levels.

Alternative cement clinkers (Journal Article) | OSTI.GOV

@article{osti_23110537, title = {Alternative cement clinkers}, author = {Gartner, Ellis and Sui, Tongbo}, abstractNote = {This article reviews proposed technical approaches for the manufacture and use of alternatives to Portland Cement Clinker as the main reactive binder component for ordinary concrete construction in non-specialty applications, while giving lower net global CO{sub 2 ...

Solidia Technologies files patent for cement using synthetic pozzolan

Blending the ground cement clinker with SCM, which have low or zero associated production CO2 emissions, reduces the total embodied CO 2 of the final product. Using a cement with the lowest possible clinker factor for a given application is the most common industry approach to reducing the CO 2 footprint of concrete."

Materials | Free Full-Text | Alternative Clinker Technologies for ...

In fact, the production of one ton of clinker releases about 0.83 tons of CO 2 and the production of one ton of OPC releases about 0.54 ton of CO 2 making this industry responsible for 5% to 8% of total anthropogenic greenhouse gases The two main sources of CO 2 emissions resulting from cement production are: (i) the decarbonation of limestone ...

C04B 7 - Hydraulic cements - Patents Sitemap - Google

Patents for C04B 7 - Hydraulic cements (9,126) 05/2008. 05/21/2008. CN101182139A Masonry cement having higher strength and water retention. 05/21/2008. CN100389087C Anti-cracking modified cement ...

Cement - Fuels & Technologies - IEA

The direct CO2 intensity of cement production increased 1.8% per year during 2015-2020. In contrast, 3% annual declines to 2030 are necessary to get on track with the Net Zero Emissions by 2050 Scenario. Sharper focus is needed in two key areas: reducing the clinker-to-cement ratio (including through greater uptake of blended cements) and ...

GB2208857A - Flux for cement clinker formation - Google Patents

GB2208857A - Flux for cement clinker formation - Google Patents A flux for cement comprises mainly wollastonite. By adding the flux 1-10% in preparing a cement raw material, the firing temperature...

EP3255021A1 - Process for producing a cement clinker ... - Google Patents

The invention provides a process for producing a cement clinker comprising: (i) mixing one or more starting materials providing each at least one or more of CaO, SiO 2, Al 2 O 3, and Fe 2 O 3 ; and, optionally, SO 3, to form a raw meal comprising CaO, SiO 2, Al 2 O 3, and Fe 2 O 3 ; and, optionally, SO 3, wherein the molar ratios among the aforementioned oxides is given by Formula I ...

US Patent for Method for producing a clinker for hydraulic cement with ...

a method for producing a clinker for cement, comprising grinding a raw comprising, especially, al2o3, fe2o3 and so3 in contents such that the formula for calculating so3 content of=0.261×al2o3−0.638×fe2o3+k, where 2.5WhatsApp

Cement Kilns: Grate Coolers

This means that an efficient kiln consuming 3.2 GJ per tonne of clinker will only take in 1216 kg of air per tonne of clinker - i.e. the air/clinker ratio is 1.216. Using this air alone in the cooler would result in a clinker temperature of 399°C, so the extra air needed to obtain a reasonable temperature is surplus to requirements.

Clinker replacement | Climate Technology Centre & Network | Tue ... - CTCN

The production of cement clinker from limestone and chalk by heating limestone to temperatures above 950°C is the main energy consuming process. Portland cement, the most widely used cement type, contains 95% cement clinker. Large amounts of electricity are used grinding the raw materials and finished cement.

cement internship report - SlideShare

As result of these investments cement production and sales increased significantly. Investment of the second clinker line (Bonn Line) was started in 1987. When it was commissioned on 27 June1992 our capacity increased to 4.000 tons per day from 2.200 tons per day. The second investment was costed 35 million Dollars.

The Cement Industry in Vietnam, Forecast to 2024 - Vietnam Cement ...

Chart 2.1 Production of Cement in Vitenam, 2014-Jun. 2019 Chart 2.2 Vietnam Renewable Energy Target 2020-2030 Chart 2.3 Production of Coal in Vietnam, 2014-2018

Process and a plant for the production of Portland cement clinker

a process is disclosed for producing cement clinker, comprising the steps of: a) providing a mixture of ground calcareous materials and ground argillaceous materials; b) heating the mixture of step a) to a temperature sufficient to calcine and fuse the ground materials to form the cement clinker, and thereby producing an exhaust gas containing .

Cement Clinker Quality Control During Clinker Production Process | AGICO

The following are several important factors affecting the cement clinker quality. In the process of clinker production, strict control of these factors can ensure the production of high-quality, high-yield clinker. 1. Lime Saturation Factor. The lime saturation factor (LSF) is a ratio of CaO to other oxides, it is used to control the proportion ...

Cambridge academics claim zero emissions cement breakthrough

25 May Three University of Cambridge academics have filed a patent and secured research funding for what they claim is "the world's first ever zero-emissions cement. Electric arc furnace (EAF ...

pozzolan - Cement industry news from Global Cement

University of Kentucky UKnowledge

HYBRID CEMENT CLINKER AND CEMENT MADE FROM THAT CLINKER . This utility patent application claims the benefit of priority . 2 . embodiment the cement clinker comprises about 35-41 weight percent . c3s, about 10-15 weight percent . c2s, about 14-16 weight percent C. 4. A. 3. S, about 20-26 weight percent . 5

Savannah Cement to build a new clinker production plant

Petcoke production in India increases in the first quarter of 2022 ; 7 June 2022 . India and Nigeria to lead global cement capacity additions in 2022 ; 31 May 2022 . FOB cement prices in the Mediterranean Basin continue on an upward trend in May ; 24 May 2022 . Asia ex-China and the Middle East to drive cement consumption in 2022

Geopolymer cement - Wikipedia

Production. Production of geopolymer cement requires an aluminosilicate precursor material such as metakaolin or fly ash, a user-friendly alkaline reagent (for example, sodium or potassium soluble silicates with a molar ratio MR SiO 2:M 2 O ≥ 1.65, M being Na or K) and water (See the definition for "user-friendly" reagent below). Room temperature hardening is more readily achieved with the ...

US4465460A - Production of cement clinker - Google Patents

to permit the utilization of high-sulfur content solid fuels in the production of cement clinker in rotary kilns, the solid fuel is gasified and the gasified fuel is contacted with a fraction of...

Hoffmann Green Cement Technologies Announces That It ... - Business Wire

Hoffmann Green Cement Technologies Announces That It Has Been Granted a Patent for Its H-P2A Technology in the United States January 28, 2020 11:45 AM Eastern Standard Time

Vertical Shaft Kiln - AGICO Cement Plant

AC shaft kiln is an energy-saving and environment-friendly semi-dry clinker calcinating kiln developed by our company. In the design, we took "environmental protection, energy conservation and consumption reduction, waste utilization" as the starting point, based on a number of independent invention patents and utility model patents, drew lessons from the design concept, advanced ...

Laying the foundation for zero-carbon cement - McKinsey & Company

Cement acts as the binder between aggregates (fine and coarse rocks) in the formation of concrete. While cement makes up only a small percentage of the mix (approximately 12 percent by volume), it is almost exclusively responsible for the resulting CO 2 emissions. In the cement-manufacturing process, raw materials are heated to high temperatures in a kiln in a fuel-intensive process known as ...

Portland cement clinker, cement based and a method of manufacturing a ...

The degree of hydration of tricalcium aluminate in 1 day is in the test normal density of crushed samples known clinker 65-70% revised 20-25% This affects the phase composition of the products of hydration and hardening of the cement from the proposed clinker. Free calcium oxide present in the proposed clinker contains iron oxide Fe 2 O 3 that ...

Cement Clinker Market Size, Share, Growth [2022] | Type

global Cement Clinker market size is estimated to be worth US$ 79520 million in 2022 and is forecast to a readjusted size of US$ 87980 million by 2028 with a CAGR of 1.7% during the review period ...

AC Shaft Kiln For Sale | AC Vertical Kiln - AGICO Cement Plant

AC Shaft Kiln. AC shaft kiln is a typical mechanical shaft kiln applied for clinker calcination that is developed by AGICO CEMENT. Applications: It is especially suitable for small and medium-sized cement production lines with an annual production capacity below 1 million tons and for the transformation of traditional shaft kilns. Get Price!.

Energies | Free Full-Text | Environmental Impact Analysis of ... - MDPI

Cement and clinker production activities account for most of the increased GHG emissions. The cement industry contributes the most to global warming, with CO 2 emissions ranging from 98% to 100% ... R.G. Use of Stabilized EAFD as a Raw Material in the Production of a Portland Cement Clinker. U.S. Patent 5,853,474, 29 December 1998. [Google ...

Ball Mill for Sale | Mining and Cement Milling Equipment

1500t/d Continuous Ball Mill for Copper Mining in Pakistan. Production capacity: 1500t/d Processed material: Copper ore Input size: ≤25mm Equipment: 98-386t/h copper ball mill, jaw crusher, cone crusher, flotation machine, concentrator, filter press. Auxiliary equipment: Linear vibration screen, cyclone.

New approach suggests path to emissions-free cement

It's well known that the production of cement — the world's leading construction material — is a major source of greenhouse gas emissions, accounting for about 8 percent of all such releases. If cement production were a country, it would be the world's third-largest emitter.

US Patent for Expansive cement additive and process for ... - Justia

a clinker for the expansive cement additive of this invention can be obtained by mixing raw materials of a calcareous substance, siliceous substance and gypsum in a manner allowing a mol ratio of cao/sio.sub.2 to range from 4.2 to 9.2 and a mol ratio of caso.sub.4 /sio.sub.2 from 0.12 to 1.40; pulverizing said mixture to such fineness that a .

Cement Production - The Concrete Portal

In Portland cement production, two types of kilns have been used: Vertical shaft kiln: Low output; not effective; highly variable product; no longer used. Rotary kiln: All the operating plants use rotary kilns. Choice of the rotary kiln (i.e. the length and diameter) depends on: Raw materials used - dictates the process of blending.

EP0233965A1 - Method and apparatus for producing cement clinker ...

EP0233965A1 - Method and apparatus for producing cement clinker including white cement - Google Patents A method and apparatus for producing cement which includes intermixing the cement forming raw...

Activated Carbon Production Solution | Activated Carbon Plant

Activated Carbon Production Solutions. The activated production line adopts an automatic control system. The activated carbon kiln system is mainly composed of silo, elevator, feeder, rotary kiln, refractory materials, rotating device, temperature measuring device, activation device, cooling device, settling chamber, boiler, fan, and dust removal device.

White Cement - Properties, Manufacture, Prospects

cement. Oxidized forms of free oxides of Fe3+, Mn3+ and Mn 4+ absorb more light than reduced forms Fe 2+ and Mn2+. The higher the temperature and/or the concentration of the reducing agent such as CO, the whiter the cement appears to human eye. This is important particularly in the cooling of white cement clinker. If it is cooled slowly from ...

Cement Types, Composition, Uses and Advantages of Nanocement ... - Hindawi

We first discuss cement production and special nomenclature used by cement industrialists in expressing the composition of their cement products. We reveal different types of cement products, their compositions, properties, and typical uses. Wherever possible, we tend to give reasons as to why a particular cement type is more suitable for a given purpose than other types. Cement manufacturing ...