Matches 1 - 36 out of 36


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8852339 Industrial process for the production of a clinker with a high content of belite  
The present invention relates to a process for the production of a clinker with a high content of belite, said process comprising the following steps: (i) introducing a raw meal into a calcination...
8252109 Process for the production of cement  
A process for the production of cement which includes the calcination of calcium carbonate-containing raw meal in a calciner heated by combustion of a carbon-containing fuel with a gas including...
7976627 Method and device for the production of a hydraulic binding agent  
The invention relates to a method and to apparatus for the production of a hydraulic binding agent from a plurality of raw material components (12a to 12e), wherein the raw material components are...
6447598 Process for the thermal treatment of meal-form raw materials  
In order to create a process for the economical production of cement clinker in a cement clinker production line with a raw meal preheater, a precalcination stage, a rotary tubular kiln and a...
6383283 Control of cement clinker production by analysis of sulfur in the end product  
Cement clinker is produced using high sulfur fuels by combusting high sulfur fuel within a kiln. The feed material is introduced at an inlet of preheater of the kiln and is sintered by the...
6000145 Method and apparatus for continuous treatment of particulate material  
A method for the continuous treatment of particulate material, such as cement raw meal, in an apparatus comprising a stationary reactor (6) configured as a conical spouted bed, to which the...
5897704 Hardened hydraulic cement, ceramic or coarse concrete aggregate treated with high pressure fluids  
The properties of cement matrices are improved by one or more of the three processes, which can be performed individually, sequentially, or in any desired combination. In each instance a...
5800610 Method for manufacturing cement clinker  
The invention relates to a method for manufacturing cement clinker whereby the raw meal is initially subjected to preparatory processing, e.g. by comminution, homogenization and/or drying, and,...
5754423 Method and apparatus for preparing a mixture of materials  
The invention relates to the preparation of a material mixture consisting of a plurality of mineral raw material components which are delivered individually proportioned, are ground and...
5707444 Method for controlling the temperature in a kiln  
A method and apparatus for controlling the temperature in a kiln in which cement clinker is manufactured. The temperature is controlled by controlling the fuel rate to the kiln. The fuel rate is...
5650005 Process for high free lime content in cement clinker  
A source of free lime is introduced into a cooling zone of a cement kiln in an amount to elevate the free lime content to a content of 0.6 to 2.0%, by weight. This addition is made without...
5527387 Computer implemented processes for microstructurally engineering cementious mixtures  
A design optimization process used to determine the proportions of sand, cement, coarse aggregate, water, fly ash, water reducers, air entraining agents and fillers needed to produce a concrete...
5389144 Admixture for spray concrete and mortar and a method for the manufacture of spray concrete and mortar using this admixture  
Admixtures for spray concrete or mortar which contain silicic acid sol or consist of it, are used for the processing of spray concrete or mortar according to the dry or the wet method. Said...
4498930 Method and device for regulating the burning process of a cement burning system  
This invention relates to a method and device for regulating a cement burning system to make it more efficient. A product stream, in keeping with customary practice, passes successively through a...
4395290 Method of manufacturing cement raw mix  
A process for the production of cement raw mix which takes into account variations which may occur in the raw materials being introduced into the raw mix, particularly such variations which occur...
4367095 Process and device for manufacturing cement clinker  
A process and apparatus for manufacturing cement clinker in which pellets of raw material containing the necessary components for manufacturing the clinker are introduced into an apparatus where...
4300879 Process for the heat-treatment of fine-grained material  
A process for the heat-treatment of fine-grained material which is preheated in a cyclone preheater, deacidified by additional fuel in a precalcination zone, and subsequently calcined to...
4173487 Process for treating cement plant dust catch  
A process for treating the dust catch from a cement manufacturing operation for producing cement clinker. The process includes blending the dust catch from a cement manufacturing operation with...
4137090 Method for controlling operation of apparatus for preheating and calcining cement materials containing combustible materials  
Disclosed is a method for controlling the operation of an apparatus for preheating and calcining cement materials. Noncombustible cement materials are introduced into a preheater while cement...
4026717 Economical, finely controlled cement production  
Method and apparatus for manufacturing portland cement characterized by a plurality of steps. First, there is introduced into the feed end of a rotary kiln at a first rate a first mixture...
3835873 METHOD FOR THE PRODUCTION OF A MIXTURE WITH CONSTANT COMPONENT COMPOSITION MADE OF SEVERAL STARTING MATERIALS, AND A REGULATING DEVICE FOR CARRYING OUT THE METHOD  
A method of producing a mixture with constant component composition from a plurality of starting materials, each of which contains a portion of the components of the required composition, the...
3761582 METHOD AND APPARATUS FOR CONTROLLING THE DEGREE OF PREPARATION OF RAW MATERIAL FOR CEMENT  
Method and apparatus for controlling the degree of preparation of raw material for cement to be fed to a rotary kiln from a pre-heating zone comprising a series of ducts and separation chambers...
3729181 CONTROL SYSTEM OF ROTARY KILNS  
In a control system of a rotary kiln of the type comprising a power detector for measuring the driving power of the kiln and the output signal from the power detector is utilized to control the...
3647195 APPARATUS FOR AND METHOD OF CONTROLLING ROTARY KILN OPERATION  
An apparatus for and method of controlling the operation of a cement kiln or the like in accordance with which means are provided for determining the temperature at two axially spaced locations...
3627287 ROTARY KILN CONTROL APPARATUS AND PROGRAMMING  
Rotary kiln operation is controlled so as to result in satisfactory kiln performance and high quality clinker production over long periods of time. Main burner fuel supply is controlled when the...
3602488 CEMENT RAW MIX CONTROL APPARATUS AND PROGRAMMING  
A system including computer apparatus and programming automatically controls the proportioning of raw materials fed to a kiln-producing cement clinker, the automatic control depending upon the...
3498594 CEMENT BURNING PROCESS AND APPARATUS  
3305611 Processes for the burning of materials in industrial processes  
3302938 Cement production in a rotary kiln  
3254882 Method of and arrangement for dressing moist raw materials with solid undesired inclusions  
3233973 Apparatus and method for processing material  
3133131 Method of controlling the quality of sintered products  
3091443 Kiln automatic control method and apparatus  
3091442 Kiln control method and apparatus  
3074707 Process for the manufacture of cement  
2969227 Apparatus for making pellets  

Matches 1 - 36 out of 36