SILICA RAMMING MASS
[EIRI/EDPR/1084] J.C.: 9728
INTRODUCTION
Acidic Ramming Mass, also known as Silica Ramming Mass or Mix, is used in Coreless Induction Furnaces, for melting of scrap. It is a dry lining refractory that can be used for all types of iron and steel and in both mini steel plants as well as foundries.
High performance Silica Ramming Mixes (also known as Acidic Ramming Mass in generic terms), designed to minimize erosion in induction melting. We are the first company in India to have a three-stage beneficiation, purification process plant and mixing plant. The highly controlled Silica and a particle size distribution has been kept at an optimum level, according to the furnace capacity and make, gives a high density, trouble free and consistent linings. We are the only company to have separate grade for different furnaces.
Application
It is widely used in the low cost melting of ductile and malleable iron, Stainless Steel, Mild Steels, Low Alloy Steels, all types of iron foundry operations, ranging from periodic melting to continuous holding applications. In addition to being suitable for many iron alloys, such as Ni-hard, Ni-resist and chrome irons, it may also be used for selected high temperature nonferrous applications and is suitable for coreless induction furnace of all sizes and types.
It can be installed employing any one of the several techniques utilizing vibrators, mechanical impacting tools or hand ramming.
Chemistry
Reactivity of the metal, sintering characteristics, reactivity temperature and strength of the lining has been kept in mind while formulating the Chemical composition. During service these grains transform to Tridymite and Cristobalite with a very large increase in volume. This places the partially constructed lining under high compression, forcing the particles very tightly together and making refractory lining: The low to high temperature modifications of Quartz, Tridymite and Cristobalite take place rapidly. Above 16500C, the volume of all forms of Silica remains relatively constant. This is why linings show outstanding resistance to thermal spalling and cracking above this temperature.
COST ESTIMATION
Plant Capacity 9 TON/Day
Land & Building (2000 sq.mt.) Rs. 1.79 Cr
Plant & Machinery Rs. 56.10 Lac
Working Capital for 3 Months Rs. 2.25 Cr
Total Capital Investment Rs. 4.85 Cr
Rate of Return 75%
Break Even Point 30%
CONTENTS
INTRODUCTION
APPLICATION
CHEMISTRY
PROPERTIES
PROPERTIES OF SILICA RAMMING MASS
GRADES OF SILICA RAMMING MASS
HAZARDS
CONTAINER
SILICA
USES OF THE SILICA RAMMING MASS
MARKET SURVEY
REFRACTORY INDUSTRY
INTRODUCTION:
SILICA BRICKS/SHAPES:
BASIC BRICKS/SHAPES:
MONOLITHICS:
SPECIAL PRODUCTS:
FUTURE OUTLOOK:
MANUFACTURERS OF SILICA RAMMING MASS
SILICA RAMMING MASS
RAMMING MASS
TYPES OF RAMMING MASS
MANUFACTURING PROCESS
SINGLE -MASS VIBRATING SYSTEM EXCITED BY PENDULUM UNBALANCED
MOTOR
SINGLE-MASS VIBRATING SYSTEM EXCITED BY TWO UNBALANCED
MOTORS
THE TECHNICAL DATA OF THIS SYSTEM INCLUDE:
THROW AND TRANSPORT SPEED OF A PARTICLE
RAMMING COMPOSITIONS
EXAMPLE I
A RAMMING COMPOSITION WAS PREPARED BY MIXING THE FOLLOWING COMPONENTS TOGETHER IN THE STATED WEIGHT PERCENTAGES:
EXAMPLE II
A RAMMING COMPOSITION WAS PREPARED BY MIXING THE FOLLOWING
COMPONENTS TOGETHER IN STATED WEIGHT PERCENTAGES:
REFRACTORY CASTING, RAMMING OR STAMPING MASS
EXAMPLE 1
EXAMPLE 2
EXAMPLE 3
REFRACTORY MASS AND MIXTURE FOR FORMING A REFRACTORY MASS
THE PRESENT METHOD WILL NOW BE ILLUSTRATED IN MORE DETAIL WITH THE AID OF THE EXAMPLES WHICH FOLLOW
EXAMPLE 1
EXAMPLE 2
EXAMPLE 3
EXAMPLE 4
REFRACTORY RAMMING MIX
EXAMPLE
CERAMIC MASS FOR BRICK MAKING AND WAY OF PRODUCTION
INDUSTRIAL APPLICABILITY
PROCESS FLOW DIAGRAM
SILICA RAMMING MASS
USEFUL FOR MELTING:
METHOD OF INSTALLATION:
SUPPLIERS OF PLANT AND MACHINERY
WET GRINDERS
JAW CRUSHER
STONE CRUSHER
PULVERIZERS
SCREENING MACHINERY
CONVEYOR BELT
FURNACE, INDUSTRIAL OVENS & ALLIED EQUIPMENTS
VIBRATING MACHINES
ELEVATORS, ESCALATORS, ROPEWAYS & RELATED PRODUCTS
SUPPLIERS OF RAW MATERIALS
CALCIUM OXIDE
ACTIVATED ALUMINA
SUPPLIERS OF SILICA RAMMING MACHINERY
RAMMING MASS MIXER MACHINE
APPENDIX – A:
01. PLANT ECONOMICS
02. LAND & BUILDING
03. PLANT AND MACHINERY
04. OTHER FIXED ASSESTS
05. FIXED CAPITAL
06. RAW MATERIAL
07. SALARY AND WAGES
08. UTILITIES AND OVERHEADS
09. TOTAL WORKING CAPITAL
10. TOTAL CAPITAL INVESTMENT
11. COST OF PRODUCTION
12. TURN OVER/ANNUM
13. BREAK EVEN POINT
14. RESOURCES FOR FINANCE
15. INSTALMENT PAYABLE IN 5 YEARS
16. DEPRECIATION CHART FOR 5 YEARS
17. PROFIT ANALYSIS FOR 5 YEARS
18. PROJECTED BALANCE SHEET FOR (5 YEARS)
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