Patent Us7390357 Preheating And Combustion Of Cement Raw

In a method for the preheating of cement raw meal for the production of cement-clinker, in which the cement raw meal is conveyed towards the feed side of a cement clinker kiln ( 1 ) in at least one heat exchanger-line in counter flow to hot gases, the hot gases are drawn off via at least a first heat exchanger ( 2 ) connected with the feed end of the cement clinker kiln ( 1 ) and via heat.

Home Patent Us7390357 Preheating And Combustion Of Cement Raw. Copper Ore Processing Equipment. Capacity:0.18-7 (m ³/min) Suitable Materials:Copper, zinc, lead, nickel, gold and other non-ferrous metals, ferrous and non-metal. ... Method For Preheating Cement Clinker Raw Materials Allis.

Patent Us7390357 Preheating And Combustion Of Cement Raw. A calciner preheater for preheating a first part of the cement raw meal a furnace preheater for preheating a second part of the cement raw meal a calciner for precalcining the cement raw meal which has been preheated in the calciner preheater 2 and in the furnace preheater 3 a furnace for firing the precalcined cement raw meal

The method for processing cement raw meal and oil shale by combining them in a mixture with oil shale kerogen constituting 0.5 to 2% of the mixture by weight. This mixture is supplied to a separate heating chamber where it is preheated so as to heat the cement raw meal component and burn off the combustible component of the oil shale. The raw meal is heated in the chamber to a temperature ...

The method is used in processing raw meal such as cement raw meal, powdered limestone, alumina hydrate or the like, and includes the steps of metering the dry raw meal into a processing system, pneumatically pumping the raw meal in the processing system to a separate combustion chamber, supplying fuel to the combustion chamber and igniting same therein to heat the dry raw meal in the ...

US4130390A - Installation and method of burning cement raw - Google Patents Installation and method of burning cement raw Download PDF Info Publication number US4130390A. US4130390A US05/793,605 US79360577A US4130390A US 4130390 A US4130390 A US 4130390A US 79360577 A US79360577 A US 79360577A US 4130390 A US4130390 A US 4130390A

The method is used in processing raw meal such as cement raw meal, powdered limestone, alumina hydrate or the like, and includes the steps of metering the dry raw meal into a processing system, pneumatically pumping the raw meal in the processing system to a separate combustion chamber, supplying fuel to the combustion chamber and igniting same therein to heat the dry raw meal in the ...

The invention relates to a method and a system for producing cement clinker from raw cement mixture, wherein one part of the raw cement mixture is preheated in a calciner preheater, and the other part of the raw cement mixture is preheated in an oven preheater, the preheated raw cement mixture is pre-calcined in a calciner which is operated according to the oxyfuel method, the pre-calcined raw ...

The invention relates to a method and a system for producing cement clinker from raw cement mixture, wherein one part of the raw cement mixture is preheated in a calciner preheater, and the other part of the raw cement mixture is preheated in an oven preheater, the preheated raw cement mixture is pre-calcined in a calciner which is operated according to the oxyfuel method, the pre-calcined raw ...

A method and apparatus for the production of cement clinker from a raw material containing sufficient moisture to be agglomerated wherein the raw material is dried and subsequently subjected to calcining in a series of steps including preheating, deacidification, sintering and cooling. The exhaust gases are passed from the calcining step into the drying step.

The present invention relates to a method of preheating the cement raw mix for the production of cement clinker, in which cement raw meal is fed to the feeding side of the furnace for calcining cement clinker at least one line of heat exchangers in the opposite stream of hot gases, as well as to a device for implementing this method.

The method is used in processing raw meal such as cement raw meal, powdered limestone, alumina hydrate or the like including those having relatively high alkali chloride and/or sulfate content up to 2% Cl and/or 2.5% SO.sub.3 and includes the steps of metering the dry raw meal into a processing system, pumping the raw meal in the processing system to a separate combustion chamber, supplying ...

slag dryer with hot gases from cement kiln; copper ore processing plant in texas; cba additive grinding aid cement mill supplier in india; grinding media optimization for cement mill solution for; briquetting machine pressure for iron ore pelletisation; patent us7390357 preheating and combustion of cement raw

Justia Patents Compositions: Coating Or Plastic Patents Coating Or Plastic Compositions Inorganic Settable Ingredient Containing Patents Portland Type Cement Patents Portland Type Cement Per Se (e.g., Clinker Preparation, Etc.) Patents Preprocessing Or Processing Of Raw Material Before Firing (e.g., Preheating, Etc.) Patents (Class 106/771)

Taiheiyo cement 253 likes is a japanese cement company it was formed in 1998 with the merger of chichibu onoda itself a merger of chichibu cement and jump to sections of this page content from the wikipedia article taiheiyo cement contributors licensed under ccbysa freebase. Detail; Filetaiheiyo Cement Wikimedia Commons

18-07-2017· The invention relates to a plant and to a method for the production of cement clinker from cement raw meal, the cement raw meal being preheated in a preheating zone, precalcined in …

Patent US3591929 Know More. Apparatus for preheating pulverized material such as cement raw materials US 3591929 A Abstract available in Images (2) Claims available in ... Method for preheating cement clinker raw materials Know More.

22-11-1983· Method for preheating cement clinker raw materials . United States Patent 4416697 . Abstract: A method is disclosed for heat treating raw material components of a cement clinker prior to admitting the components to a reactor for sintering the components to form the …

slag dryer with hot gases from cement kiln; copper ore processing plant in texas; cba additive grinding aid cement mill supplier in india; grinding media optimization for cement mill solution for; briquetting machine pressure for iron ore pelletisation; patent us7390357 preheating and combustion of cement raw

10-12-2009· The invention relates to a plant and to a method for the production of cement clinker from cement raw meal, the cement raw meal being preheated in a preheating zone, precalcined in …

FIELD: manufacture of building materials. SUBSTANCE: cement clinker production process comprises calcinations of raw mix in calcinator, having upper zone and lower zone, fuel, gaseous combustion product, and raw mix being introduced into upper zone of …

04-01-1983· A method for processing a mixture of cement raw meal and oil shale, said method including the steps of metering the dry raw meal mixture into a cement processing system, pneumatically pumping said raw meal in said processing system to a separate combustion chamber, supplying fuel to said combustion chamber and igniting same and the combustible constituent of said oil shale therein, …

11-12-2012· In a method for utilizing alternative fuels in the production of clinker or cement the alternative fuels are employed in reactors (4) for the preheating and/or precalcining of raw meal in a combustion device (17) separate from the burners (12) of the respective reactor (4) and are at least partially burnt whereupon an, if necessary, complete combustion is carried out inside the reactors (4 ...

Method and apparatus for heat treatment, capable of being used for making a hydraulic binder, including a post-combustion step Abstract. This invention relates to a method and an apparatus for heat treatment of a powder material comprising a device for post-combustion of the combustible constituent remaining in the powder material which contains, or is mixed with, a constituent apt to cause an ...

Summary: The cement production line is a complex production line specializing in the production of cement. The production line is mainly composed of crushing and pre-homogenization, raw material preparation homogenization, preheating decomposition, cement clinker burning, cement grinding and packaging, and each process is independent and interconnected.

01-12-2015· The Chinese cement industry has been playing a vital role for the rise of China over the past 100 years since its initial growth. Fig. 2 shows the Chinese cement output and its share in the total world cement output over the last 30 years. It can be seen that with the rapid development of the economy and increasing demand for cement, China's cement output has grown rapidly.