Xi'an Hongxin Arc Furnace Company Limited
| Payment Terms | T/T,Western Union,L/C,D/A,D/P |
| Brand Name | Hongxin |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,Western Union,L/C,D/A,D/P | Brand Name | Hongxin |
| Place of Origin | China | ||
| High Light | SAF Water Cooled Protective Cover ，Electric Arc Furnace Protective Cover ，Submerged Arc Furnace Protective Cover | ||
The water-cooled protective cover is a key protective component of the electrode system in submerged arc furnaces (SAF). Installed at the lower part of the electrode, it isolates high-temperature furnace gas and thermal radiation, protects the electrode bottom device from burning, and removes heat through circulating cooling water to ensure stable operation of equipment under high-temperature conditions. The water-cooled protective cover is a key protective device in the electrode column of SAF, installed at the bottom of the electrode to protect the electrode bottom device from high-temperature furnace gas and charge, ensuring normal operation of the electrode column.
Based on structural form, cooling method, and manufacturing process, SAF water-cooled protective covers are mainly divided into the following types:
| Type | Structural Features | Advantages & Disadvantages |
|---|---|---|
| Split Type Protective Cover | Composed of two or more arc segments connected by flanges and bolts to form a ring; detachable structure | Advantages: Easy installation and maintenance, partial replacement possible. Disadvantages: Many welds, poor sealing, prone to water leakage. |
| Integral Full-Circle Protective Cover | Inner and outer walls are rolled and welded from single steel plates into a cylindrical structure; integrally formed | Advantages: High structural strength, few welds, good sealing, long service life. Disadvantages: Relatively complex installation and maintenance. |
| Double Water Jacket Structure | Inner and outer double water jacket structure forming two independent cooling circuits | Advantages: Good cooling effect, good electrode guidance, long service life. Disadvantages: Complex structure, high cost. |
| Type | Position | Function Description |
|---|---|---|
| Upper Protective Cover | Upper part of electrode holder | Protects the upper electrode assembly; shields from upper high-temperature radiation. |
| Lower Protective Cover / Bottom Cover | Lower part of electrode holder, near the furnace hearth | Directly exposed to high-temperature furnace gases and charge; most severe operating conditions; protects bottom electrode devices. |
| Fixed Cover | Middle part of electrode holder | Cooperates with the water-cooled jacket to provide structural support and guidance. |
| Type | Cooling Structure | Features |
|---|---|---|
| S-Shaped Water Channel Type | Vertical and horizontal baffles inside forming an S‑shaped circulating water channel; cooling water circulates from the bottom high‑temperature zone to the top low‑temperature zone | Good cooling effect; water flow direction matches temperature gradient; high heat exchange efficiency. |
| Independent Water Channel Type | Multiple independent water channels arranged in the annular space; each channel has its own inlet and outlet | Uniform cooling; local failure does not affect the whole system; easy maintenance. |
| Mixed Water Cooling Type | Independent water channels and mixed water cooling zones arranged alternately; water flows upward in a serpentine pattern | Combines the advantages of both water channel types; high cooling efficiency; compact structure. |
| Spiral Water Channel Type | Water channel arranged spirally along the circumference of the protective cover | Long water flow path; uniform cooling. |
| Parameter | Typical Value | Unit |
|---|---|---|
| Cooling Water Pressure | 0.3 - 0.6 | MPa |
| Cooling Water Flow | 0.3 - 0.6 | L/s per channel |
| Inlet Water Temperature | ≤35 | ℃ |
| Outlet Water Temperature | <60 - 65 | ℃ |
| Working Pressure | 0.1 - 0.6 | MPa |
| Water Channel Quantity | 4 - 12 | PCS |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2007
Total Annual:
32000000-35000000
Employee Number:
140~150
Ecer Certification：
Verified Supplier
Xi'an Hongxin Arc Furnace Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, installation, commissioning, and technical services of ferroalloy submerged arc furnace equipment and environmental dust removal equipment. The company was founded in... Xi'an Hongxin Arc Furnace Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, installation, commissioning, and technical services of ferroalloy submerged arc furnace equipment and environmental dust removal equipment. The company was founded in...
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