Preheating Continuous Feeding system

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Preheating Continuous Feeding system


AE series preheating continuous feeding equipment is the most advanced, clean, energy saving and environmental protection metallurgy off gas using equipment in nowadays. This is using the off gas from the electric furnace to preheat the raw materials, and avoided the high failure rate, complicated operation, can not charging materials continuously and etc weakness from Shaft furnace preheating and preheating bucket and etc traditional ways. This system has been put into production in more than 20 factories in china and several other countries. And had gain marked affects in electricity saving, energy saving, production increasing, pollution reduction, and brings great economic benefits for customers.

AE series preheating continuous feeding equipment has characteristics of continuous feeding, continuous melting, continuous smelting and etc… which advantages are: short smelting period, low power consumption, low noises, low investment cost and etc…
Compared with the traditional EAF, the technical index of continuously preheating and feeding EAF process are:

1. Production capacity increases more than 10%.

2. Smelting cycle is shortened by 10-15 Min.

3. Save energy of 100-120kw.h/t for per ton Steel.

4. Electrode consumption decreases by 0.5-0.8%, Refractory material consumption reduces by 5%.

5. 20-30% reduction of CO2 volume which is released from per ton of Steel; Production site dustiness less than 10mg/M3.

6. Dioxin and CO emissions meets relative emission standards, smoke and dust is decreased from 17kg/t to 11kg/t.

7. Fully utilization of waste heat: On the Conveyor section can preheat the materials up to 300 degree Celsius and higher, and add burner in conveyor section, can raise the materials up to 600 degree Celsius. The rear part of the waste heat can be used to generate electricity or heating by steam which is produced by waste heat boiler, the gas from the boiler basically can go into the bag type dust collector directly. But the traditional electric furnace system off gas must go through the water cooled pipes, air forced cooler and etc equipments, it will consumable much energy to cool the temperature down and then can put the gas go into dust collector, so waste the energy from the off gas.

8. De-duster Fan power reduces 30%.

9. Noise is less than 90 decibels during the electric furnace smelting cycle.

With fully considering for customers kinds of actual using status, AE series preheating continuous feeding equipment brings direct economic benefits to customers by lowest failure rate, highest energy saving index, biggest investment return.

Main Technical Specifications


Model

Specification of
Preheating Channel

Dimensions of
Raw Materials

Processing
Rate

Electric furnace
Capacity

(width*length)

(width*depth*length)

(t/h)

(t)

AE20S

1260*65000

300*300*500

120

15-20

AE40S

1400*46300

400*400*700

150

30-40

AE60S

1840*48800

450*450*1000

200

50-60

AE70S

2060*60000

500*500*1100

250

70

AE90S

2140*60000

500*500*1100

300

80-90

AE150S

2260*65000

500*500*1200

350

100-150


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Q:What's the role of anchor bricks in industrial furnaces?
The wall of an industrial furnace or flue is mainly composed of an inner lining layer, a heat insulating layer and an outer wall layer. The lining is a refractory brick, and the outer wall is an ordinary sintered brick.
Q:What are the companies in the world that are currently engaged in metallurgical furnaces?
There are many kinds of furnaces in metallurgical industry,colored and black,smelting and heat treatment are also included.
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: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:What is industrial furnace masonry?
Masonry industrial furnaces refers to complete materials such as brick kilns in construction process.
Q:Why does the burner of industrial furnace burn occasionally?
The flameout protection system is made up of burner controller, electromagnetic valve and flame detector, and the flame detection mode is mainly based on the two forms of ultraviolet detection and electrode detection. By utilizing the electric conductivity of the flame, the circuit path of the combustion process generates a weak current, and when the signal amplifier is amplified, the flame is induced to exist, and the small power burner adopts the detection mode more, and is economical and practical.
Q:What is an industrial furnace pit?
In twentieth Century 50s, coreless induction furnaces were developed rapidly. Later, electron beam kilns, using electron beams to impact solid fuels, strengthen the surface to heat and fuse materials with high melting point.
Q:What are the combustion equipments used in industrial boilers?
The main auxiliary equipments of the general boiler are: upper coal machine, ash blower, blower, draught fan, economizer, feed pump and water treatment unit. Oil boilers are: oil pumps, burners, tanks and so on.
Q:Should the industrial furnace shell cool down?
The function of furnace shell is beautiful, protective lining, fixed function accessories and so on.
Q:Selection of heat preservation material for industrial furnace
Micro nano heat insulation board.The thermal conductivity of micro nano heat insulation board is very low, only a fraction of the traditional thermal insulation material, and the insulation effect is very efficient.

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