


News & Events

News & Events
Selected Candidates/Final Results-Advt No. R/01/2023(01) against Post Codes BLB-01, BLB-02, BLB-03, BLB-05, BLB-06, BLB-08 and BLB-09
Results for Written Test - Advt No. R/01/2023(01) against Post Codes BLB-01, BLB-02, BLB-03, BLB-05 and BLB-06
Consultancy services for getting NABL Accreditation as per ISO/IEC 17025:2017
Notice on Public Grievance
NCB – CCE EVENTS / Forthcoming Training Programmes
Ongoing Proficiency Testing Schemes
ONLINE Payment Facility
Steps for Online Payment through SB Collect
NCCBM to host 17th International Congress on Chemistry of Cement (ICCC) in 2027 in New Delhi
NCCBM requires Project Engineers, Project Scientists & Lab. Assistants on Contract Basis for NCB-Hyderabad & Bhubaneswar
Investigations on kiln shell corrosion
Corrosion of kiln shell is influenced by a number of factors such as composition of the metallic shell and its environment, temperature of the shell, cleanliness and roughness of the shell surface and its contact with other materials, oxidizing/reducing conditions, improper combustion of coal, etc. The corrosion phenomenon takes place mainly due to the presence of sulphates and chlorides of alkalis and calcium at high temperature in the cement kiln. The role of refractories in cement kiln is primarily to protect the steel shell from the direct attack of deleterious gases and clinker melt and to reduce the shell temperature so that steel of the shell does not loose its properties. The reduction in shell temperature also leads to energy conservation besides providing workable conditions near kiln shell.
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