Granulation Chamber for Slag Handling

Product Specifications

Technical details and manufacturing context for Granulation Chamber

Definition

The granulation chamber is a critical component of industrial slag handling systems, particularly in metallurgical processes. It receives molten slag from furnaces or reactors and facilitates its transformation into solid granules through controlled cooling mechanisms, typically involving water sprays or air quenching. This process reduces slag volume, improves handling characteristics, and prepares the material for subsequent processing or disposal.

In basic metal manufacturing, the chamber is designed to handle high-temperature molten slag, with operating temperatures typically ranging from 800°C to 1500°C. The chamber volume, which determines batch capacity for slag throughput, is usually between 2 and 10 cubic meters. Operating pressure is maintained between 0.1 and 0.5 MPa for pressure testing. Cooling water flow rates are typically 50 to 200 cubic meters per hour, with inlet temperatures between 20°C and 35°C. The resulting granule size range is typically 0.5 to 5 mm, suitable for further processing.

Materials used include refractory-lined steel and high-temperature alloy steel. The material grade for structural parts is typically Q235B (per GB/T 700), with refractory lining thickness ranging from 150 to 300 mm. The total weight, including chamber and lining, ranges from 5 to 20 tonnes, and the footprint (L×W×H) is typically 3×3×4 to 6×6×8 meters.

Selection of a granulation chamber requires verification of model-specific parameters with the manufacturer, as actual values may vary based on slag composition and process requirements. Standards listed are for reference only and do not imply certification. Always confirm compatibility with your system's specifications and applicable regulations.

Working Principle

Molten slag enters the chamber and is subjected to rapid cooling through direct contact with cooling media (water or air). This causes the slag to solidify and fracture into small, granular particles. The chamber design controls flow patterns, residence time, and cooling rates to achieve consistent granule size and properties. Operating parameters such as cooling water flow rate and inlet temperature must be maintained within specified ranges to ensure effective granulation. Insufficient flow or high inlet temperatures can reduce cooling efficiency, leading to poor granulation. The chamber's refractory lining protects the steel structure from thermal damage, and its thickness affects service life and internal volume.

Common Materials

Refractory-lined steel, High-temperature alloy steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Chamber Volume	2–10 m³	Determines batch capacity for slag throughput.
Operating Pressure	0.1–0.5 MPa	Below 0.1 MPa may cause incomplete granulation.
Operating Temperature	800–1500 °C	Exceeding 1500°C risks refractory damage.
Cooling Water Flow Rate	50–200 m³/h	Insufficient flow leads to poor granulation.
Cooling Water Inlet Temperature	20–35 °C	Higher inlet temperature reduces cooling efficiency.
Granule Size Range	0.5–5 mm	Typical slag granule size for further processing.
Material Grade	Q235B	Carbon steel for structural parts; refractory lining required.GB/T 700
Refractory Lining Thickness	150–300 mm	Thicker lining extends service life but reduces volume.
Weight	5–20 t	Includes chamber and lining; affects foundation design.
Footprint (L×W×H)	3×3×4–6×6×8 m	Space required for installation and maintenance.

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.
Refractory Lining Part
Protects chamber walls from high-temperature molten slag and thermal shock

Material: Refractory ceramic
Cooling Nozzle Array
Distributes cooling media (water/air) evenly throughout the chamber

Material: Stainless steel
Observation Port
Allows visual monitoring of the granulation process

Material: Tempered glass with protective shield

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Slag System

View system integration details

Manufacturers of Granulation Chamber

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Frequently Asked Questions

What is the typical operating temperature range for a granulation chamber?

The operating temperature typically ranges from 800°C to 1500°C. Exceeding 1500°C risks damage to the refractory lining, so it is important to monitor and control the temperature within this range.

What cooling water flow rate is required for effective granulation?

The cooling water flow rate is typically between 50 and 200 m³/h. Insufficient flow can lead to poor granulation, so the flow rate must be adjusted based on the slag throughput and desired granule size.

What materials are used in the construction of a granulation chamber?

The chamber is typically made of refractory-lined steel or high-temperature alloy steel. The structural material grade is often Q235B (per GB/T 700), and the refractory lining thickness ranges from 150 to 300 mm.

How do I verify the specifications for a specific granulation chamber model?

Always consult the legal manufacturer or supplier to confirm model-specific values such as chamber volume, operating pressure, cooling water flow rate, and material grades. Standards like are reference points, not proof of compliance.

Data Basis

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pressure:	Atmospheric to 2 bar (gauge), depending on system design
flow rate:	5-100 tons/hour (slag throughput)
temperature:	Up to 1600°C (molten slag entry), cooling to <100°C
slurry concentration:	Up to 60% solids by weight in discharge

Granulation Chamber

Product Specifications

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