Secondary Cooling Chamber for Non-Ferrous Continuous Casting

Product Specifications

Technical details and manufacturing context for Secondary Cooling Chamber

Definition

The Secondary Cooling Chamber is a critical component of the Smart Continuous Casting System for Non-Ferrous Alloys, located downstream of the mold and primary cooling zone. It provides controlled, uniform cooling through precisely regulated water sprays or mist systems to manage the solidification front and thermal gradients in the alloy strand. This chamber ensures proper metallurgical structure development, minimizes internal stresses and defects, and maintains dimensional stability during the continuous casting process. The chamber is designed to accommodate a range of strand widths from 200 to 2600 mm and thicknesses from 50 to 400 mm, with a chamber length of 3000 to 12000 mm. Casting speeds can vary from 0.5 to 8 m/min, requiring corresponding adjustments in cooling intensity. Cooling water flow rates per strand range from 50 to 500 m³/h, with pressures between 0.3 and 1.0 MPa, and water temperatures typically between 20 and 40 °C. Spray nozzle density ranges from 10 to 50 nozzles per square meter to ensure uniform cooling. Temperature control accuracy is maintained within ±5 °C, and strand surface temperatures are kept between 800 and 1100 °C to avoid cracking. The chamber is constructed with Stainless Steel 316L, high-temperature ceramic liners, and corrosion-resistant spray nozzles. The material grade for stainless steel components is 304L per ASTM A240, and the sealing class is IP54 to IP65 per IEC 60529. The weight of the chamber varies from 5 to 20 tons depending on size and material. These specifications are reference ranges and must be verified with the manufacturer for specific applications. Always confirm model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The Secondary Cooling Chamber utilizes strategically positioned water spray nozzles or mist systems to apply controlled cooling to the partially solidified alloy strand. The cooling intensity is precisely regulated based on real-time temperature monitoring and casting parameters to maintain optimal solidification rates and thermal profiles throughout the chamber length. This ensures uniform solidification and minimizes defects.

Common Materials

Stainless Steel 316L, High-Temperature Ceramic Liners, Corrosion-Resistant Spray Nozzles

Technical Parameters

Parameter	Typical range	Notes & selection driver
Cooling Chamber Length	3000–12000 mm	Determines residence time for solidification
Strand Width	200–2600 mm	Matches casting machine width
Strand Thickness	50–400 mm	Affects cooling rate and product range
Casting Speed	0.5–8 m/min	Higher speeds require more intensive cooling
Cooling Water Flow Rate	50–500 m³/h	Per strand; varies with product size
Cooling Water Pressure	0.3–1.0 MPa	Ensures proper spray atomization
Spray Nozzle Density	10–50 pcs/m²	Affects cooling uniformity
Cooling Water Temperature	20–40 °C	Higher temperatures reduce cooling efficiency
Temperature Control Accuracy	±5 °C	Critical for metallurgical properties
Strand Surface Temperature	800–1100 °C	Must be maintained within range to avoid cracks
Material Grade	304L	Stainless steel for corrosion resistanceASTM A240
Sealing Class	IP54–IP65	Protects against water and dust ingressIEC 60529
Weight	5–20 t	Depends on size and material

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Chamber Body
The chamber shell itself: encloses the process volume and carries the operating pressure and temperature.
Spray Nozzle Array
Distributes cooling water evenly across the alloy strand surface

Material: Stainless Steel 316 with ceramic tips
Temperature Monitoring System
Measures strand surface temperature at multiple points for feedback control

Material: High-temperature sensors with protective housings
Water Distribution Manifold
Controls and distributes cooling water to individual spray zones

Material: Corrosion-resistant stainless steel
Insulation Lining Part
Minimizes heat loss and protects chamber structure

Material: High-temperature ceramic fiber

Manufacturers of Secondary Cooling Chamber

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Frequently Asked Questions

What is the purpose of the Secondary Cooling Chamber?

It provides controlled cooling to the partially solidified alloy strand after initial solidification, managing the solidification front and thermal gradients to ensure proper metallurgical structure and minimize defects.

What are the typical dimensions of the chamber?

The chamber length ranges from 3000 to 12000 mm, strand width from 200 to 2600 mm, and strand thickness from 50 to 400 mm. These are reference ranges and must be confirmed for specific applications.

How is cooling controlled?

Cooling is controlled via water spray nozzles or mist systems, with flow rates of 50-500 m³/h per strand and pressures of 0.3-1.0 MPa. Temperature control accuracy is ±5 °C.

What materials are used in construction?

The chamber uses Stainless Steel 316L, high-temperature ceramic liners, and corrosion-resistant spray nozzles. Material grade for stainless steel is 304L per ASTM A240. Verify with manufacturer.

Data Basis

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Preliminary Technical Classification

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pressure:	0.5-3.0 bar (cooling water system pressure)
flow rate:	50-500 m³/h (coolant flow capacity)
temperature:	50-300°C (coolant temperature range)
slurry concentration:	0-15% solids (for slurry cooling applications)

Secondary Cooling Chamber

Product Specifications

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