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Our product range contains a wide range of Silica Ramming Mass, Ramming Mass Powder, CUPOLA-555 Ramming Mass and Ramming Mass for Rotary Furance
SILICA (INDUCTION )RAMMING MASS
High Silica (Acidic) Ramming Mass for induction furnaces.
Introduction:
The Silica Ramming Mass is a monolithic lining material for All type. Induction furnaces it is. Manufacture out of high purity silica grains with controlled grading the Silica Ramming Mass has a service temperature 1650 °C and are used with boric acid the sintering agent.
Technical Data:
(The material is supplied without Boric acid)
Method of Application:
The Silica Ramming Mass is use with the mixing of requisite amount of sintering agent the boric acid. the addition of sintering agent is necessary because the lining crucible sinter during heating up and develop strength before molten metal and or scrap is charged. Proper care should be taken during mixing of the sintering agent with the mass. Most important of which are removal of traces of moisture from the mass by drying and through uniform mixing, Ramming of the crucible starts after laying the insulation around the coil. For this purpose, at first, the bottom of the crucible is formed by ramping the Silica Ramming Mass is layers with the help of round and flat hammers.
After the bottom is stamped. a former consisting of mield steel shell is placed centrally On the bottom and ramming of the annular space between the coil and the shell wall is carried out. The Ramming of the crucible wall is a trick job and the proper care has to be observed by the experienced persons. In larger furnaces, the formation of the crucible wall can be done by the pneumatic rammer.
Ramming mass is a dry, unshaped refractory material composed of refractory grains like silica, alumina, or magnesia mixed with binders, which is compacted by intense physical force (ramming) to form a seamless, durable lining inside furnaces and ladles for high-temperature metallurgical processes. This refractory lining protects the furnace structure from intense heat, corrosive slags, and erosion, and it hardens during the high-temperature operation of the furnace.
Key Characteristics
Unshaped Material:
Unlike pre-made refractory bricks, ramming mass is installed in its dry, granular form, allowing it to be compacted directly into the desired shape.
Dry Installation:
It is installed without mixing water, which prevents short-circuiting in induction furnaces and results in a short heating and sintering time.
Binder and Aggregates:
It consists of refractory grains (like silica, alumina, or magnesia) and binders, such as boric acid, which help to sinter the grains and provide strength during heat treatment.
Sintering:
During operation, the furnace's high temperatures sinter (fuse) the ramming mass, forming a dense, strong, and seamless lining.
Applications
Furnace Linings: It forms the internal lining of furnaces and ladles used in metal melting, particularly in induction furnaces and arc furnaces.
Metallurgical Furnaces:
Its primary use is in industries like ferrous and non-ferrous metal processing to protect against extreme temperatures and chemical attack from molten metal and slag.
Repair and Patching:
It is also used for patching existing furnace linings and repairing worn areas to extend the furnace's life.
DATA SHEET-RAMMING MASS FOR CUPOLA FURANCE
CUPOLA-555
High Silica Ramming Mass with Alumina 555 (Binder) for Cupola, Ladle and other furnaces.
Introduction:
The Cupola-555 Ramming Mass is a monolithic refractory patching and lining material for the
melting zone of Cupola ladle and other furnaces. It is a replacement for Fireclay and Fire bricks used in repair and lining of Cupola, ladle and other furnaces.
Principals of manufacturing:
The Cupola-555 Ramming Mass is prepared by blending technically high temperature refractory materials in properly graded of different size in such a way that it gives a dequate strength. density and ramming power in green stage (before firing) as well as after firing. After setting & sintering it gives very high abrasion & corrosion resistance crackles and high temperature surface to the patching and lining in the melting zone of Cupola ladle and other furnaces.
Technical Data:
Silica ( SiO …. 98%
Grading…. 0-10 mm
Setting Temp …. Room. Temp
Sintering Temp. …. 800° C
Service Temp …. 1650° C
Binder …. Ceramic (with AlO-55%)
Application:
Cupola-555 is supplied in ready mixed condition. It is applied by slightly moistening the mass with water to get the ramming consistency. The area to be applied should be thoroughly cleaned of any metal or slag coating, to expose fresh refractory surface.
Benefits of use:
Cupola-555 is set to a strong mass giving a pro- longed service life and prevents any intrusion of molten metal and erosion of refractory lining. Also gives more resistance with alkaline chemical reaction to the furnace lining. Both maintenance cost and time are considerably reduced.
DATA SHEET-RAMMING MASS FOR ROTARY FURANCE
ROTARY High Silica Quick Setting Ramming Mass with Alumina 55% (Binder) for Rotary and Ladle furnaces.
Introduction:
The Rotary Ramming Mass is a monolithic refractory patching and lining material for the
melting zone of Rotary and ladle furnaces. It is a replacement for Fireclay and Fire bricks used in repair and lining of Rotary and ladle furnaces.
Principals of manufacturing:
The Rotary and Ladle Ramming Mass is prepared by blending technically high temperature refractory materials in properly graded of different size in such a way that it gives a dequate strength. density and ramming power in green stage (before firing) as well as after firing. After setting & sintering it gives very high abrasion & corrosion resistance crackles and high temperature surface to the patching and lining in the melting zone of Rotary and ladle furnaces.
Technical Data:
Application:
FIREX Rotary and ladle is supplied in ready mixed condition. It is applied by slightly moistening the mass with water (6% Sodium Silicate) to get the ramming consistency. The area to be applied should be thoroughly cleaned of any metal or Any metal slag coating,
Benefits of use:
FIREX Ratary Ramming mass is set to a strong mass giving a prolonged service life and prevents any intrusion of molten metal and erosion of refractory lining. Also gives more resistance with alkaline chemical reaction to the furnace lining. Both maintenance cost and time are considerably reduced.
Punit Gupta (Ajanta Industries)
238 Subhash Nagar N.e.b City -, NEB Extension, Alwar, Rajasthan, India
https://www.ajantaindustries.in
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