Leave Message
For More Information

design calculation of kiln in iron:

design calculation of kiln in iron

In the case of a generic iron-ore reduction kiln, Table I provides an overview of the parameters (and ranges) that are considered. Table I. Model inputs used in the evaluation of kiln performance Design parameters Values Kiln internal diameter 4.34 m Kiln length 80 m Kiln Formulas kiln - SlideShare. Jul 22, 2010 Degree Of Kiln filling Kiln Cross Sectional loading: % of Filling or Area of this ...

Read More
Modelling and optimization of a rotary kiln direct ...

Illustrative examples are included for the case of a generic rotary kiln iron-ore reduction process. Rotary kiln model Kiln modelling consists of two steps. An Excel®-based calculation is used to determine the kiln bed profile and residence time based on specific operating conditions and the kiln configuration, followed by a calculation of the kiln operating characteristics using a FORTRAN ...

Read More
Simulation of Rotary Kiln Used in Sponge Iron Process ...

Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol. 6, No. 2, April 2014 DOI: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process by designing a Multilayer Perceptron model that uses a momentum learning algorithm. For ...

Read More
1. Kiln Capacity b. Chamber Dimensions Height Width

A major draw back to the 2000 BF kiln design illustrated above is the need to have the drying chamber fully loaded to get uniform air flow and quality drying. If smaller amounts of lumber are expected to be dried on a regular basis than a smaller drying chamber would be a better choice. A variation to the 2000 BF, track loaded kiln illustrated above is shown in Figure 7. This drying chamber is ...

Read More
Formulas kiln - SlideShare

22.07.2010  Formulas kiln 1. Residence time in Kiln “t” = 1.77 (Phy)^1/2 L _____ Alpha* D*N Phy =Angle of repose for lime stone ~ 36 Degree L = length of Kiln in meter Alpha = Kiln inclination in % D = Effective diameter of Kiln in meter N = Rotation per minute rpm

Read More
A Thesis Submitted for Partial Fulfillment of the Degree ...

3 SPONGE IRON PROCESSING 10 4 ROTARY KILN DESIGN OPERATION 23 5 COMPUTATIONAL FLUID DYNAMICS (CFD) ITS APPLICATION 31 6 MODEL DEVELOPMENT 37 7 RESULT DISCUSSION 43 8 CONCLUSION 54 9 REFERENCE 56 . LIST OF FIGURES FIGURE NO. FIGURE CAPTION PAGE NO. 1.1 Image of a Sponge Iron Granule 2 1.2 Microscopic view of sponge iron 4 3.1 Material Balance in a Rotary Kiln sponge iron

Read More
Analysis of temperature profile and % metallization in ...

01.06.2016  In the sponge iron industry rotary kiln is the primary equipment, which is used to reduce iron ore to metallic iron i.e. Fe. Though sponge iron is a hard solid material, it is called sponge iron due to its honeycomb structure. Rotary kiln is also widely used in cement industry. The performance of rotary kiln significantly affects the production capacities of these industries. It is affected by ...

Read More
Basic Calculations Of Rotary Kiln Design Pdf

Kiln design calculation trattoriamercioiteat calculation in rotary kiln biosante be basic calculations of rotary kiln design esattoin indirectly heated rotary kilns, inclined and equipped with lifters in the first part, we, the mean residence time, the filling degree and the axial dispersion coefficient, providing basic information on the kiln design, solid particle properties and operating.

Read More
Clinkerization - Cement Plant Optimization

Kiln system has seen a sea of development since 1950s to till date, from vertical shaft kilns to modern pre-calciner kiln. Capacity has increased from as low as 50 tpd to as high as 12000 tpd from kiln. Heat consumption reduced from 1400 kcal/kg to 670 kcal/kg of clinker. Specific heat consumption of various kiln systems is tabulated (Table 2) below to assess the progress in the development of ...

Read More
DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A SPONGE IRON

IRON PLANT A thesis submitted in partial fulfillment of the Requirements for the degree of Bachelor of Technology In Chemical Engineering by Saurav Kumar Sahu Roll No. 107CH031 Under the guidance of Dr. Shabina Khanam DEPARTMENT OF CHEMICAL ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY ROURKELA May, 2011. i CERTIFICATE This is to certify that the thesis entitled “Design

Read More
1. Kiln Capacity b. Chamber Dimensions Height Width

A major draw back to the 2000 BF kiln design illustrated above is the need to have the drying chamber fully loaded to get uniform air flow and quality drying. If smaller amounts of lumber are expected to be dried on a regular basis than a smaller drying chamber would be a better choice. A variation to the 2000 BF, track loaded kiln illustrated above is shown in Figure 7. This drying chamber is ...

Read More
Rotary Kiln Design: Sizing - FEECO International Inc.

In the FEECO design process, once we have engineered a rough design of the rotary kiln, we use several computer programs to help predict and model how the material will behave in the rotary kiln we have designed. We review the combined analyses, and if our design does not meet the appropriate criteria, we adjust accordingly.

Read More
Calculating Kiln Volume by Marc Ward - Clay Times

Calculating Kiln Volume By Marc Ward. From the November/December 1996 issue of Clay Times. To determine the amount of heat (BTUs) required for your kiln to reach a desired temperature in a certain time frame, you need to know your kiln's volume. To calculate the volume, measure and record its height, width and depth. When dealing with a flat top kiln with no arches or wall curves, simply ...

Read More
Calculation of Kiln Aerodynamics with two RANS

Rotary kilns are large, cylindrical, rotating ovens with a burner in one end that are used in various industrial processes to heat up materials to high temperatures. The kiln burners are characterized by long diffusion flames where the combustion process is largely controlled by the turbulent diffusion mixing between the burner fuel jet and the surrounding combustion air.

Read More
Formulas kiln - SlideShare

22.07.2010  Formulas kiln 1. Residence time in Kiln “t” = 1.77 (Phy)^1/2 L _____ Alpha* D*N Phy =Angle of repose for lime stone ~ 36 Degree L = length of Kiln in meter Alpha = Kiln inclination in % D = Effective diameter of Kiln in meter N = Rotation per minute rpm

Read More
gas kiln - Ceramic Arts Network

cialty kiln designs, not based on the cube, like the tube, groundhog and derivative kilns, but follow other prin-ciples listed here. PRINCIPLE 2: The chamber shape is determined by heat direction and ease of flame movement to allow a natural flow. Two important rules to remember are: (l) the flame and heat direction should follow the arch (figure 5), and should not be at right angles to the ...

Read More
KilnSimu – Rotary Kiln Simulator SimulationStore

Most kilns operate in the counter-current mode, i.e., the condensed material is fed into the kiln from the cold ‘feed end’, and is then processed to reacted product by heat transfer from the surrounding hot gas, which is introduced into the kiln from its hot ‘burner end’. The final material product is removed from the hot end. A fraction of exit gas can be circulated back to the hot ...

Read More
Metso Metso –– Iron Ore Pelletization Iron Ore ...

Grate-Kiln iron ore pelletizing system Introduction • Grate-Kiln systems used in places where coal is abundant and other fuel types are expensive •Metso is the world’s leading designer of grate-kiln systems, with 54 installations worldwide, equating to an installed capacity of over 140 million tons •Capacities ranging from 3 million

Read More
Rotary Kiln Maintenance Procedures

A kiln should be aligned when it is in operation for four very important reasons: 1. A straight cold kiln has a measurable misalignment at operating temperatures. This is because the shell axis elevation increases by one half of the thermal expansion of the shell diameter. This expansion is the function of the shell temperature and, as such, it varies measurably over the length of the kiln. 2 ...

Read More
SPONGE IRON PLANT

The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production can be classified into:- spongeitc 2 1) Physical requirements:- Strength and granulometry are the two ...

Read More
Rotary Kiln Design: Sizing - FEECO International Inc.

In the FEECO design process, once we have engineered a rough design of the rotary kiln, we use several computer programs to help predict and model how the material will behave in the rotary kiln we have designed. We review the combined analyses, and if our design

Read More
Calculating Kiln Volume by Marc Ward - Clay Times

Calculating Kiln Volume By Marc Ward. From the November/December 1996 issue of Clay Times. To determine the amount of heat (BTUs) required for your kiln to reach a desired temperature in a certain time frame, you need to know your kiln's volume. To calculate the volume, measure and record its height, width and depth. When dealing with a flat top kiln with no arches or wall curves, simply ...

Read More
Calculation of Kiln Aerodynamics with two RANS

Rotary kilns are large, cylindrical, rotating ovens with a burner in one end that are used in various industrial processes to heat up materials to high temperatures. The kiln burners are characterized by long diffusion flames where the combustion process is largely controlled by the turbulent diffusion mixing between the burner fuel jet and the surrounding combustion air.

Read More
Modeling of Rotary Kiln in Cement Industry

1370˚C is, it depends. The modern design of the plant, a cyclone preheater to increase the temperature of the solid input materials are used to shorten the length of the kiln. Raw materials to the kiln consist of calcium carbonate (CaCO 3), silica (SiO 2), shale (Al 2O 3) and iron oxide (Fe 2O 3) feeds. These compounds are very fine powder and mixed with cement to form [4]. 3. Energy Balance ...

Read More
SPONGE IRON PLANT

The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production can be classified into:- spongeitc 2 1) Physical requirements:- Strength and granulometry are the two ...

Read More
KilnSimu – Rotary Kiln Simulator SimulationStore

Most kilns operate in the counter-current mode, i.e., the condensed material is fed into the kiln from the cold ‘feed end’, and is then processed to reacted product by heat transfer from the surrounding hot gas, which is introduced into the kiln from its hot ‘burner end’. The final material product is removed from the hot end. A fraction of exit gas can be circulated back to the hot ...

Read More
STEVE MILLS A guide on how to build a Philosopher’s Kiln

construction and eventual use. After all, we are all aware of the awful effects of ‘committee design’, and this applies to both building and firing kilns. Over the years I have been involved with many different sorts of fuel burning kilns, starting with gas, which I was involved with right at the beginning of my career. I would probably have stayed in that simple groove had I not, by ...

Read More
Steam System Design and Best Practices Related to Kiln Drying

New England Kiln Drying Association – Steam Design Best Practices – HerLine Technologies GAUGE ABSOLUTE TEMP SENSIBLE LATENT TOTAL VOLUME LATENT PRESSURE Pressure oF Heat Heat Heat Steam SENSIBLE psig psia (hf) (hfg) (hg) (vg) Ratio BTU/lb ft3/lb. 014.7212180 970 1150 26.8 5.4 : 1 15 29.7 250 218 946 1164 13.9 4.4 : 1 50 64.7 298 268 912 1180 6.68 3.4 : 1 100 114.7 338 309

Read More
Metso Metso –– Iron Ore Pelletization Iron Ore ...

Grate-Kiln iron ore pelletizing system Introduction • Grate-Kiln systems used in places where coal is abundant and other fuel types are expensive •Metso is the world’s leading designer of grate-kiln systems, with 54 installations worldwide, equating to an installed capacity of over 140 million tons •Capacities ranging from 3 million

Read More
Mathematical Model to Analyze the Heat Transfer in Tunnel ...

Tunnel Kilns for Burning of Ceramics Dissertation zur Erlangung des akademischen Grades Doktoringenieur (Dr.-Ing.) von M.Sc. Hassanein Abdel Mohsen Hassanein Refaey geb. am 7. February 1978 in Qaliubiya, Agypten genehmigt durch die Fakult at fur Verfahrens- und Systemtechnik der Otto-von-Guericke-Universit at Magdeburg Pruf ungskommission: Prof. Dr.-Ing. Eckehard Specht

Read More