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Introduction To Water-cooled Furnace Cover
The electric arc furnace cover includes the furnace cover body and the receiving hopper device. The main structure frame is made into a circular shape with seamless steel pipes, which not only serves as the strength requirements of structural members, but also serves as the main inlet and return water pipelines. Each cooling water pipe is connected through the main inlet and return water pipelines.
The rest is composed of slightly smaller dense tubes. The water-cooled plate is easy to replace and maintain, and its service life is>3000 boilers.
Electric arc furnace (EAF) roof's water-cooled material pipe is adopted at the lower part of receiving hopper. Flanged stainless steel metal hoses (with swivel adapter) are adopted for the main inlet and outlet cooling pipes of the furnace cover, and handle-type stainless steel metal hoses are adopted for other water cooling pipes.
The central part of the electric arc furnace (EAF) roof is a small central cover with three electrode holes, made of refractory castable.
Water Cooled Roof Equipment Performance
| Product Type | Fan-shaped, round |
| Specifications | 10-100 tons range |
| Material | steel |
| High Temperature Resistance | The material must have good high temperature resistance to withstand the high temperature inside the electric arc furnace. |
| Corrosion Resistance | Corrosion-resistant materials should be selected to prevent the furnace cover from being corroded in an environment of high temperature and molten metal. |
| Thermal Conductivity | Good thermal conductivity can effectively dissipate heat and prevent the furnace cover from overheating. |
| Strength & Toughness | The material must have sufficient strength and toughness to withstand the mechanical pressure and impact during operation. |
| Common materials include heat-resistant alloy steel and cast iron. | |
Strengths Of SR Electric Arc Furnace
1. Low power consumption
SR's large current system made of pure copper as conductive medium, the whole circuit with less resistance. Electrode arm shaped as copper-clad box type, resistance and heat can be reduced efficiently. Reasonable arrange of all conductive systems to minimize the resistance of every circuit.
2. Safety & Stability
Full set of hydraulic driving system equipped with accumulator to ensure stability of facilities in the operation process. Whist, equipments can go on the motion when there any emergency accidents happen.
3. Low electrode consumes
Electrode breaks in the process of melting brings huge economic losses and inconvenience. SR's patented <anti-break of electrode system> technology dramatically drops the possibility of electrode cracks in the operation.
4. High flexibility & Maximum simplicity of operation
HMI used in electrical automation control, interface simulates the real form of furnace, which make the operation more convenient. Mixing feedstock, charging feedstock, melting, tapping all the commands can be implemented by computer.
5.High arc forming efficiency
SR's patented technology < Precision regulating electrode >, utilizing multi signal acquisition, PLC signal contrast technology,shortening the formation time of electrode arc,so that to avoid long time arc formation influence the upper grid system. Different with traditional single signal return control technique.
6.Diversified dust removal system
SR's furnaces are equipped with a variety of dust removal systems, can be based on environmental requirements of different countries support different forms of dust removal equipments.
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