Silicochromium Furnace

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Silicochromium Furnace

Brief introduction and main application of silicochromium alloy
More than 90% silicochromium alloy is used as reducing agent in melting medium carbon ferrochromium, low-carbon ferrochromium and micro-carbon ferrochrome in electro-silicothermic process. In addition, silicochromium alloy can also be used as deoxidier and alloying agent in steelmaking. With the development of oxygen steelmaking, it has been increasingly wide applied to deoxidizing out chrome in steel slag and in additional part with silicon chromium alloy.
Silicochromium alloy properties

Silicochromium alloy is chromium and iron silicide, a kind of ferrochrome which contains enough silicon. Chromium silicide is more stable than carbide, so when silicon content in Fe - Cr - Si alloy is increasing, carbon content decline.


Silicochromium alloy – Grade & Chemical composition


Grade

Chemical composition %

Si

CR

C

P

S

 

 

FeCr30Si40-A

40

30

0.02

0.02

0.04

0.01

FeCr30Si40-B

40

30

0.04

0.02

0.04

0.01

FeCr30Si40-C

42

30

0.06

0.02

0.04

0.01

FeCr30Si40-D

42

30

0.10

0.02

0.04

0.01

FeCr32Si35

35

32

1.00

0.02

0.04

0.01

Smelting process
There are two kinds of methods in smelting silicochromium---one-step method and two-step method. One-step method is also called slag method, two-step method is also called no-slag method. One-step is smelting Silicochromium by putting chrome ore, silica and coke into one furnace. The first step of two-step method is putting chrome ore and coke into the first furnace to produce high carbon ferrochrome, and in second step to put the crushed high carbon ferrochrome, silica, coke together into another furnace. At present, in china industrial production, mostly use the two-step method to smelt silicochromium alloy.


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Q:What is the difference between industrial furnace masonry and ordinary masonry?
Furnace industry is not generally Mason walls, needs to have a professional operation and rich construction experience, high level of industrial furnace is difficult to get.
Q:What is the difference in structure between industrial furnace and boiler?
Industrial furnace: main heating, steel and other metal materials, or ore and other materials. An industrial furnace of higher temperature, such as forging or heat treatment. Therefore, the energy consumption is large, and the insulation layer is designed to be thicker, and the structure is designed for the final purpose of the production purpose, the product process and the production efficiency.
Q:How many kinds of industrial electric furnaces are there?
This series of electric furnace is made of super light refractory fiber. The electric stove and the temperature control cabinet matching use, the controller may automatically or the manual control electric stove temperature, may press the user request to provide the computer table or the computer control, does the multielement temperature measurement, guarantees the product quality. This series of electric furnaces are periodical operation type electric furnaces.
Q:What is the difference between industrial furnaces and boilers?
Hot water or steam generated in the boiler can directly provide necessary energy for industrial production and people's life, but also by the steam power device is converted to mechanical energy, or through the generator converts mechanical energy into electrical energy. Hot water boilers are called hot water boilers. They are mainly used in daily life, and are also used in industrial production. Steam generating boilers are called steam boilers, often referred to as boilers. They are used in thermal power stations, ships, locomotives and industrial and mining enterprises.
Q:Why does the burner of industrial furnace burn occasionally?
The basic structure of the complete ignition system is the ignition device and flameout protection device. The ignition burner includes an ignition electrode and an igniter (equipped with some external type transformer, voltage transformer) through the above 10kV, the ignition electrode spark ignition of high voltage discharge to ignite gas column.
Q:How to use industrial furnace equipment?
When the furnace is used, the lifting mechanism of the furnace door must be in good condition, and the wire breakage of the steel wire is not allowed to exceed the designated value. The weight should be properly allocated, and the drive department shall be provided with a protective cover.
Q:What is industrial furnace masonry?
Plane construction must level, slope construction must find slope,refractory bricks must be selected and processed according to masonry requirements.
Q:Brief introduction to repair of industrial furnace
The industrial furnace is the main production equipment in the machinery industry. The repair of industrial furnace directly affects the quality, high yield, long life, low consumption and safe production of the furnace.
Q:What's the role of anchor bricks in industrial furnaces?
These layers need to be joined and anchored. Anchor brick is this role. The heat insulation layer at the horizontal section of the flue is mostly a narrow cavity.
Q:Heat treatment equipment (industrial furnace), which products generally contain what kind of, which industries need to use heat treatment industrial furnace equipment.
Heat treatment furnace is mainly for the mechanical processing and casting industry workpiece annealing, quenching, carburizing, quenching and tempering, heat treatment equipment.

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