#### Exclusively for Cement Process Engineers Cyclone efficiency calculator

Exclusively for  Cement Process Engineers Cyclone efficiency  calculator – Eng Nael Shabana       Cyclone efficiency checking by using Standard Efficiency Formula you will have to input Cyclone data : Entry area dimension Immersion tube dimensions: Cylindrical part dimension: Conical part dimension: Temperature at Cyclone inlet: Pressure at Cyclone inlet: density of material: density […]

#### Proven Equations for Perfect Operation of kiln and cooler FLS (( Eng Nael Shabana))

Useful Equations for kiln and cooler Eng Nael Shabana     Degree of filling : Target: 14-16 Thermal or Burning zone Loading Volumetric loading Material residence time in kiln clinker residence time in cooler True CO2 in kiln exit gas Excess air Radiation heat losses Convection heat losses Forced convection heat losses %Ash absorption in clinker […]

#### AIR SEPARATORS

AIR SEPARATORS   4.0       AIR SEPARATORS 4.1       Introduction Separators are utilized in a closed circuit grinding system for the purpose of separating (classifying) the fine and coarse particles of the feed.  The fine particles are passed through the separator to become finished product while the coarse particles are returned to the mill as rejects for […]

#### Practical advanced & comprehensive guide for ball mill design , operation & maintenance

advanced & comprehensive guide for ball mill design , operation & maintenance Mr Ortega   the source of the data : Lafarge ,  FLS guides , Holcim Guide , Duda data  cement book and other Engineers and of course Mr Ortega 1           FEED AND FEED SYSTEM 1.1         Feed Temperature   Plants with satellite coolers have high clinker […]

#### Raw Mix Calculation for three & Four Component Mix.

Raw Mix Calculation for three &  Four Component Mix (by Ted Krapkat BAppSc(Chem).  – Cement Australia)     to Download the Excel sheets please download them from this group https://www.facebook.com/groups/1657539237874291/         To solve a four component raw mix calculation requires four simultaneous equations of the form; a*W + b*X + c*Y + […]

#### Important Formulas for Process Engineers Cement industry

Important Formulas for Process Engineers Cement industry   Ideal Gas Conversion The formula below is used to convert volumes of ideal gases from normal conditions (0°C, 1’013 mbar) to the volumes V act at actual gas conditions (T, p) in the process Barometric Pressure The average barometric pressure p at a plant altitude (above sea […]

#### HEAT AND MASS BALANCE

HEAT AND MASS BALANCE please leave your email in a comment in facebook or here so I can send to you heat balance calculation  it’s very important for anyone who work in cement industry to have the excel calculation sheet .   don’t forget to leave your email address so I can send to you […]

#### Holcim Key performance indicator for Grate cooler

Holcim Key performance indicator for Grate cooler     Specific grate area load: < 45 t/d m2 Calculation: Daily clinker production (t/d) divided by total active grate surface area (m2) Specific grate width load: < 1’500 t/d m Calculation: Daily clinker production (t/d) divided by grate width (m) Grate speed: 10 – 15 str/min Typical […]

#### GYPSUM SET POINT ACCORDING TO SO3 REQUIERMENT

GYPSUM SET POINT ACCORDING TO SO3 REQUIREMENT     SO3 REQUIREMENT = 1.8% =(X – Y) / Z X = REQUIRED % SO3 IN CEMENT (1.8%) Y= SO3 % AGE IN CLINKER(0.4 TO 0.5%) Z = SO3 %AGE IN GYPSUM   (41 TO 42 %) X – Y / Z =(1.8/100) – (0 .4/100 ) / […]

#### temperatures in dry kiln with five stage preheaters & inline calciner

temperatures in dry kiln with five stage preheaters & inline calciner