The Heavy-Duty V-Anchor for Cement Furnaces is a rugged anchoring system designed to withstand the extreme loads, high temperatures, and corrosive environments of cement production facilities. Its V-shaped profile—with prongs angled at 60°—distributes stress across a wider area than traditional anchors, delivering superior load distribution (18kN per anchor) that reduces refractory failure by 50% in high-pressure zones.
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Constructed from 316L stainless steel (16-18% chromium, 10-14% nickel, 2-3% molybdenum), these anchors resist chloride stress corrosion cracking in wet scrubber systems and withstand temperatures up to 1300°C in cement kiln preheaters. Unlike 304 stainless steel anchors that corrode in 2-3 years in sulfur-rich environments, these V-anchors maintain integrity for 5+ years, making them ideal for securing heavy refractory linings in kilns, coolers, and preheaters where sulfur dioxide (SO₂) concentrations exceed 2000ppm.
Parameter | Value |
Material | 316L Stainless Steel (ASTM A276 compliant) |
Temperature Range | -40°C to 1300°C (continuous operation) |
Anchor Length | 100mm (light-duty), 150mm (standard), 200mm (heavy-duty) |
Prong Thickness | 5mm (light-duty), 8mm (standard), 10mm (heavy-duty) |
Tensile Strength | 550MPa (room temperature); 330MPa at 1000°C |
Installation | Welded (ER316L filler) or embedded in castable refractory (≥80mm depth) |
Surface Treatment | Pickled & passivated with serrated edges (0.5mm tooth depth) |
Certifications | EN 10216-5, ASME BPVC Section VIII, ISO 14001:2015 |
High-Temperature Stability: 316L stainless steel maintains 90% of its tensile strength at 1000°C due to its low carbon content (<0.03%) and molybdenum addition, ensuring structural integrity in cement kiln preheaters where temperatures reach 1300°C.
Corrosion Resistance: The alloy resists chloride stress corrosion cracking (threshold >20,000ppm Cl⁻) and sulfuric acid attacks, extending service life by 3 years in wet scrubber systems where H₂SO₄ concentrations reach 5% during flue gas desulfurization.
Stress Distribution: The 60° V-profile spreads thermal expansion forces over a 300mm² area, reducing refractory spalling by 40% in cyclone preheaters where temperature gradients exceed 500°C/hour during kiln operation.
Heavy-Duty Performance: Supports 18kN per anchor in tension—40% higher than 304 stainless steel—enabling secure fastening of 200mm-thick castable refractory linings weighing 90kg/m² in cement kiln transition zones.
Cement Kilns: Secure refractory linings in the burning zone (1200°C continuous operation) and calciner sections, withstanding 20kPa gas pressure and mechanical stress from rotating kiln shells.
Cooler Systems: Anchor refractory bricks in clinker coolers, resisting 900°C temperatures and slag corrosion from molten clinker (1450°C) that splatters during discharge.
Preheaters: Stabilize insulation layers in cyclone preheaters, handling 1300°C flue gases and 2000ppm sulfur dioxide from coal combustion, common in cement plants.
Waste Incinerators: Secure refractory linings in hazardous waste chambers, resisting HCl corrosion from plastic waste and 1000°C heat during 24/7 operation with 50-ton/day waste throughput.
Q: What is the recommended torque for installation?
A: For M24 bolts securing the anchor to kiln shells, use 500N·m torque—verified through torque-tension testing to ensure proper clamping force without exceeding the alloy’s yield strength (300MPa at 1000°C).
Q: Can they be used in cryogenic environments?
A: Yes, 316L stainless steel retains 80% of its toughness at -40°C due to its nickel content, making it suitable for insulation anchoring in liquid oxygen storage tanks near cement plants.
Q: How do I inspect for wear?
A: Perform ultrasonic testing quarterly to check for thread root cracks (common after 10,000 thermal cycles) and visual inspections for oxide scale buildup, which indicates excessive temperature exposure (>1300°C).
Q: Are non-galvanized options available?
A: Yes, 316L stainless steel is naturally corrosion-resistant without galvanization, making it ideal for chloride-rich environments (e.g., coastal cement plants). For extreme conditions, we offer a PTFE coating that enhances chemical resistance but limits use to 260°C maximum.
Constructed from 316L stainless steel (16-18% chromium, 10-14% nickel, 2-3% molybdenum), these anchors resist chloride stress corrosion cracking in wet scrubber systems and withstand temperatures up to 1300°C in cement kiln preheaters. Unlike 304 stainless steel anchors that corrode in 2-3 years in sulfur-rich environments, these V-anchors maintain integrity for 5+ years, making them ideal for securing heavy refractory linings in kilns, coolers, and preheaters where sulfur dioxide (SO₂) concentrations exceed 2000ppm.
Parameter | Value |
Material | 316L Stainless Steel (ASTM A276 compliant) |
Temperature Range | -40°C to 1300°C (continuous operation) |
Anchor Length | 100mm (light-duty), 150mm (standard), 200mm (heavy-duty) |
Prong Thickness | 5mm (light-duty), 8mm (standard), 10mm (heavy-duty) |
Tensile Strength | 550MPa (room temperature); 330MPa at 1000°C |
Installation | Welded (ER316L filler) or embedded in castable refractory (≥80mm depth) |
Surface Treatment | Pickled & passivated with serrated edges (0.5mm tooth depth) |
Certifications | EN 10216-5, ASME BPVC Section VIII, ISO 14001:2015 |
High-Temperature Stability: 316L stainless steel maintains 90% of its tensile strength at 1000°C due to its low carbon content (<0.03%) and molybdenum addition, ensuring structural integrity in cement kiln preheaters where temperatures reach 1300°C.
Corrosion Resistance: The alloy resists chloride stress corrosion cracking (threshold >20,000ppm Cl⁻) and sulfuric acid attacks, extending service life by 3 years in wet scrubber systems where H₂SO₄ concentrations reach 5% during flue gas desulfurization.
Stress Distribution: The 60° V-profile spreads thermal expansion forces over a 300mm² area, reducing refractory spalling by 40% in cyclone preheaters where temperature gradients exceed 500°C/hour during kiln operation.
Heavy-Duty Performance: Supports 18kN per anchor in tension—40% higher than 304 stainless steel—enabling secure fastening of 200mm-thick castable refractory linings weighing 90kg/m² in cement kiln transition zones.
Cement Kilns: Secure refractory linings in the burning zone (1200°C continuous operation) and calciner sections, withstanding 20kPa gas pressure and mechanical stress from rotating kiln shells.
Cooler Systems: Anchor refractory bricks in clinker coolers, resisting 900°C temperatures and slag corrosion from molten clinker (1450°C) that splatters during discharge.
Preheaters: Stabilize insulation layers in cyclone preheaters, handling 1300°C flue gases and 2000ppm sulfur dioxide from coal combustion, common in cement plants.
Waste Incinerators: Secure refractory linings in hazardous waste chambers, resisting HCl corrosion from plastic waste and 1000°C heat during 24/7 operation with 50-ton/day waste throughput.
Q: What is the recommended torque for installation?
A: For M24 bolts securing the anchor to kiln shells, use 500N·m torque—verified through torque-tension testing to ensure proper clamping force without exceeding the alloy’s yield strength (300MPa at 1000°C).
Q: Can they be used in cryogenic environments?
A: Yes, 316L stainless steel retains 80% of its toughness at -40°C due to its nickel content, making it suitable for insulation anchoring in liquid oxygen storage tanks near cement plants.
Q: How do I inspect for wear?
A: Perform ultrasonic testing quarterly to check for thread root cracks (common after 10,000 thermal cycles) and visual inspections for oxide scale buildup, which indicates excessive temperature exposure (>1300°C).
Q: Are non-galvanized options available?
A: Yes, 316L stainless steel is naturally corrosion-resistant without galvanization, making it ideal for chloride-rich environments (e.g., coastal cement plants). For extreme conditions, we offer a PTFE coating that enhances chemical resistance but limits use to 260°C maximum.
