Laboratory Analyses – Materials Testing – R & D

Competence and reliability of KHD´s test center is based on

• a staff, experienced in the areas of cement process technologies and coal & minerals processing
• equipment with a broad range of facilities for analyzing and testing the broad variety of the relevant materials in laboratory, bench and large scale
• laboratory techniques and test procedures, partially developed by KHD but all tailor-made.

 

The results of chemical and physical analyses and testing provide a basis for

• optimization of raw mix design
• process flowsheet development
• provision of layout data for plants and machinery
• safeguarding of warranties

 

Chemical and physical laboratory

Laboratory analyses at KHD test center comprises the latest methods and procedures applied to raw materials, intermediate, products and solid fuels:

• Chemical and physical testing of the materials related to the cement production process:
• Chemical analyses
• Fuel analyses
• Particle size analyses
• Determination of absolute density
• Determination of mass-related surface (BLAINE)
• Grindability tests according to Zeisel for raw material and cement; according to Hardgrove for coal and according to Bond for ores
• KHD crushability and abrasion tests etc

 

Test facilities

Laboratory up to semi-industrial test facilities at KHD Humboldt Wedag´s test center allow for realistic tests with materials related to the cement production process like raw materials, clinker, slag, petcoke etc.

 

High Pressure Grinding Mills / Roller Presses

operating in open and closed circuit with a capacity of 10 to 50 t/h depending on the feed material and the fineness; moisture content up to 10%.

• RP 80/25 with 800 mm roll diameter and 250 mm width
• RP 80/120 with 800 mm roll diameter and 120 mm width

 

Classifiers: static V- and dynamic, high efficiency VSK®- and SKS-separators

operating as single machines or as process step in the closed circuit test mill.

• V- and VSK®-separators
• SKS-separator, SEPMASTER