Slag Outlet/Chute for Slag Separation Unit

Product Specifications

Technical details and manufacturing context for Slag Outlet / Chute

Definition

The Slag Outlet/Chute is a critical part of the Slag Separation Unit that facilitates the controlled removal and transportation of molten or solidified slag after separation from the primary metal. It ensures efficient slag handling while maintaining operational safety and process continuity in metal production. The outlet/chute receives slag from the separation chamber via gravity or mechanical means and directs it to a collection or disposal system. It may incorporate features like refractory linings, cooling systems, or adjustable gates to regulate flow rate and temperature. This component is typically constructed from refractory-lined steel, with a nominal diameter ranging from 100 to 300 mm (ISO 6708), operating temperature from -20 to 800°C (above 800°C requires refractory lining), and operating pressure from 0.1 to 0.5 MPa. The material grade is typically ASTM A36 carbon steel with a wear-resistant lining of 20-50 mm thickness. Surface roughness is Ra 6.3 (ISO 1302) to prevent slag buildup. Weight ranges from 150 to 500 kg, and connection is flanged per ISO 7005 (PN10/PN16). The inclination angle is 30-60 degrees to ensure gravity flow. Service life is 2-5 years with proper lining maintenance. These values are reference ranges and must be verified for the specific model and application. The Slag Outlet/Chute is designed for integration with the Slag Separation Unit, matching the outlet flange. It is essential for safe and efficient slag handling in basic metal manufacturing processes. Proper selection and maintenance are critical to prevent premature wear and ensure operational safety. Always consult the legal manufacturer or supplier for model-specific specifications and compliance with applicable standards.

Working Principle

The Slag Outlet/Chute operates by receiving slag from the separation chamber, typically via gravity or mechanical means, and directing it to a collection or disposal system. The design incorporates features such as refractory linings to withstand high temperatures, cooling systems to manage heat, and adjustable gates to regulate flow rate and temperature. The inclination angle of 30-60 degrees ensures gravity-driven flow, while the smooth surface finish (Ra 6.3) minimizes slag buildup. The component is connected via flanges (ISO 7005) to the separation unit, and its operating pressure is limited to 0.1-0.5 MPa to protect the lining. The refractory lining, typically 20-50 mm thick, provides abrasion resistance and thermal insulation. The outlet/chute is designed to handle slag at temperatures up to 800°C, with higher temperatures requiring enhanced refractory lining. The system operates under gravity flow, and higher pressures may damage the lining. Proper maintenance of the lining is essential for achieving the expected service life of 2-5 years.

Common Materials

Refractory-lined steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Nominal Diameter	100–300 mm	Matches slag separation unit outlet flange.ISO 6708
Operating Temperature	-20–800 °C	Above 800°C requires refractory lining.
Operating Pressure	0.1–0.5 MPa	Gravity flow; higher pressure may damage lining.
Material Grade	ASTM A36	Carbon steel with wear-resistant lining.ASTM A36
Lining Thickness	20–50 mm	Refractory or ceramic lining for abrasion resistance.
Surface Roughness	Ra 6.3 μm	Smooth finish to prevent slag buildup.ISO 1302
Weight	150–500 kg	Depends on size and lining material.
Connection Type	Flanged	PN10/PN16 flanges for easy installation.ISO 7005
Inclination Angle	30–60 °	Ensures slag flow by gravity.
Service Life	2–5 years	With proper lining 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

Refractory Lining Part
Protects the steel structure from high-temperature slag and abrasion

Material: Refractory ceramic
Flow Control Gate
Regulates the rate of slag discharge from the separation unit

Material: Heat-resistant steel
Support Structure Part
Provides structural stability and alignment for the chute system

Material: Structural steel
Chute Body
The steel trough the lining sits in; its 30-60° slope is what makes the slag run by gravity.
Cooling System
Takes heat out of the chute structure so the steel behind the lining stays within temperature.
Connection Flange
Bolts the chute to the separation unit to the ISO 7005 pattern.

Applied To / Applications

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

Slag Separation Unit

View system integration details

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Frequently Asked Questions

What is the purpose of the Slag Outlet/Chute?

The Slag Outlet/Chute is designed to discharge separated slag from the Slag Separation Unit, facilitating controlled removal and transportation of slag after separation from the primary metal. It ensures efficient slag handling while maintaining operational safety and process continuity.

What are the key specifications to verify before installation?

Key specifications include nominal diameter (100-300 mm), operating temperature (-20 to 800°C), operating pressure (0.1-0.5 MPa), material grade (ASTM A36), lining thickness (20-50 mm), surface roughness (Ra 6.3), weight (150-500 kg), connection type (flanged per ISO 7005), inclination angle (30-60°), and service life (2-5 years). Always verify these values with the legal manufacturer for your specific model.

How does the Slag Outlet/Chute handle high temperatures?

The component is typically made of refractory-lined steel, with the lining providing thermal insulation and abrasion resistance. For temperatures above 800°C, a refractory lining is required. The operating temperature range is -20 to 800°C, and the lining thickness is 20-50 mm to protect against heat and wear.

What maintenance is required for the Slag Outlet/Chute?

Regular inspection and maintenance of the refractory lining are essential to ensure the expected service life of 2-5 years. The smooth surface finish (Ra 6.3) helps prevent slag buildup, but periodic cleaning may be necessary. Check for wear and damage to the lining and flanges, and verify that the inclination angle remains within the specified range to ensure proper gravity flow.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Atmospheric to 0.5 bar gauge
flow rate:	0.5 to 15 m³/h
temperature:	Up to 450°C (842°F)
slurry concentration:	Up to 60% solids by weight

Slag Outlet / Chute

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards