Customization Pressure SAF Furnace Ring Electric Arc Furnace Components
Basic Properties
Trading Properties
Product Summary
Product Details
Customization Pressure Furnace Ring
,Electric Arc Furnace Components Ring
,Pressure SAF Furnace Ring
Product Description
SAF Spare Part: High-Quality Customization Pressure Ring
1. Classification of Pressure Rings
The pressure ring is one of the core components of the electrode holder in submerged arc furnaces (SAF). It is responsible for pressing the copper shoe against the electrode, ensuring uniform current transmission from the copper shoe to the electrode. The performance of the pressure ring directly affects the operational reliability and smelting indicators of the SAF. The pressure ring is the main conductive component and key component of the electrode holder in SAF and EAF, responsible for holding and clamping/releasing the electrode. It is installed around the electrode and uses radial pressure to make the copper shoe tightly grip the electrode.
Main functions:1. Pressing copper shoe: Applies radial force to make the copper shoe grip the electrode, reducing contact resistance
2. Conductivity assistance: Assists the copper shoe in current transmission
3. Electrode clamping: Works with the brake to fix and slip the electrode
Based on clamping method, SAF pressure rings are mainly divided into the following types:
Hydraulic Pressure Ring, Mechanical Pressure Ring, Hydraulic + Bolt Combined Type, Bellows Pressure Ring, and Airbag Pressure Ring.
2. Pressure Ring Specifications and Models
| Model | Diameter | Material | Applicable Furnace |
|---|---|---|---|
| Φ1250mm HDTHJ-006 | 1250 mm | T2 Copper | 25000kVA SAF |
| Φ1272mm HDTHJ-001 | 1272 mm | Upper ring 304/Lower ring T2 | SAF |
| Φ1300mm HDTHJ-004 | 1300 mm | Upper ring 304/Lower ring T2 | SAF |
| Φ1350mm | 1350 mm | Upper ring 321/Lower ring T2 | 12500kVA SAF |
| Φ1400mm HDTHJ-008 | 1400 mm | T2 Copper | 25000kVA SAF |
Material Description:
-
T2 Copper: High-purity electrolytic copper, electrical conductivity ≥97% IACS, excellent thermal conductivity.
-
304 Stainless Steel: Heat-resistant and corrosion-resistant stainless steel, used for the upper ring structure.
-
321 Stainless Steel: Titanium-stabilized stainless steel, with better high-temperature resistance than 304.
3. Selection Recommendations for Pressure Ring
Based on SAF capacity, the following are selection recommendations for pressure rings:
| SAF Capacity | Recommended Type | Selection Reason |
|---|---|---|
| Small SAF (<12500kVA) | Mechanical Pressure Ring / Airbag Pressure Ring | Simple structure, low investment cost, easy maintenance. Smaller electrode diameter, mechanical tightening can meet clamping force requirements. |
| Medium SAF (12500-25000kVA) | Combined Pressure Ring (Hydraulic + Bolt) | Balances force uniformity and economy. Hydraulic cylinders provide main clamping force with bolt assistance, enabling electrode slipping under power, service life 1-1.5 years. |
| Large SAF (>25000kVA) | Hydraulic Pressure Ring / Combined Pressure Ring | Uniform force distribution, high clamping force, high automation level. Large-diameter electrodes require more uniform radial pressure, hydraulic system enables precise control. |
4. Selection Summary Table
| No. | Selection Factor | Preferred Recommendation | Alternative Recommendation |
|---|---|---|---|
| 1 | SAF Capacity | Large: Hydraulic Type | Medium: Combined Type |
| 2 | Electrode Diameter | >Φ900mm: Hydraulic Type | <Φ700mm: Mechanical Type |
| 3 | Automation Level | Fully Auto: Hydraulic Type | Semi-auto: Combined Type |
| 4 | Investment Budget | Sufficient: Hydraulic Type | Limited: Mechanical Type |
| 5 | Installation Condition | Space Constrained: Split Type | New Project: Integral Type |
| 6 | Maintenance Capability | Professional Team: Hydraulic | General: Mechanical Type |
| 7 | Performance Requirement | High Reliability/Energy Saving: Hydraulic | Long Life: Combined Type |
Note: The above selection recommendations are based on general industry practices. Specific selection should be determined comprehensively based on actual SAF operating conditions, manufacturer technical parameters, and site conditions.
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