Editorial Technical Reference

Discharge Conveyor

This page explains how Discharge Conveyor is classified within Basic Metal Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A conveyor system that transports crushed slag away from the crushing equipment in a slag processing system.

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Product Specifications

Technical details and manufacturing context for Discharge Conveyor

Definition
The discharge conveyor is a critical component of the Slag Crushing System responsible for transporting crushed slag material from the crushing chamber or screening equipment to the next processing stage or storage area. It ensures continuous material flow, prevents system backups, and maintains operational efficiency in industrial slag processing operations. This component is designed for the basic metal manufacturing industry, specifically for handling abrasive slag materials. The conveyor typically consists of a rubber belt, a steel frame, and carbon steel rollers. Key parameters include belt width (500–1200 mm, per ISO 15236-1), conveying capacity (50–300 t/h), belt speed (0.8–2.5 m/s, per ISO 5048), motor power (5.5–30 kW, per IEC 60034), operating temperature (-20 to 60 °C), incline angle (0–20°, per ISO 5048), belt material (EP300/3–EP800/4, per ISO 15236-1), frame material (Q235–Q345, per GB/T 700), power supply (380–690 V AC, 50/60 Hz, 3-phase, per IEC 60038), IP rating (IP54–IP65, per IEC 60529), overall dimensions (6000–30000 mm length), and weight (1500–8000 kg). The conveyor operates by moving a continuous belt or chain system, powered by an electric motor through a gear reduction system, at a controlled speed to transport material from the crusher discharge point to designated areas. It relies on friction between the material and the moving surface. For proper selection, the user must verify model-specific values and standards with the legal manufacturer or supplier, as the listed ranges are reference values. Maintenance signals include belt wear, misalignment, and unusual noise. Failure boundaries include belt rupture, motor overload, and structural fatigue. The conveyor is not a standalone machine but a component integrated into a larger slag processing system.
Working Principle
The discharge conveyor operates by moving a continuous belt or chain system that carries crushed slag material. Powered by an electric motor through a gear reduction system, the conveyor belt moves at a controlled speed to transport material from the discharge point of the crusher to designated collection or processing areas, typically using friction between the material and moving surface for transportation. The belt is supported by rollers and driven by a pulley system. The speed and capacity are matched to the crusher output and downstream requirements. The incline angle is limited to 20 degrees; above that, a cleated belt is required to prevent material rollback. The system is designed to handle abrasive slag, so the belt and frame materials are selected for abrasion resistance and corrosion protection. The conveyor must be operated within the specified temperature range and with proper dust and splash water protection (IP54–IP65). Regular inspection of belt tension, roller alignment, and motor condition is necessary to ensure reliable operation.
Common Materials
Rubber conveyor belt, Steel frame, Carbon steel rollers
Technical Parameters
ParameterTypical rangeNotes & selection driver
Belt Width500–1200 mmMatches crusher discharge widthISO 15236-1
Conveying Capacity50–300 t/hBased on slag density and speed
Belt Speed0.8–2.5 m/sHigher speeds increase wearISO 5048
Motor Power5.5–30 kWDepends on length and inclineIEC 60034
Operating Temperature-20–60 °CFor ambient and material
Incline Angle0–20 °Above 20° requires cleated beltISO 5048
Belt MaterialEP300/3–EP800/4 N/mmAbrasion-resistant coverISO 15236-1
Frame MaterialQ235–Q345 steel gradeCorrosion protection requiredGB/T 700
Power Supply380–690 V AC50/60 Hz, 3-phaseIEC 60038
IP RatingIP54–IP65Dust and splash water protectionIEC 60529
Overall Dimensions6000–30000 mmLength; width and height vary
Weight1500–8000 kgDepends on length and belt width

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
  • Conveyor Belt
    Carries and transports crushed slag material along the conveyor path
    Material: Rubber with steel cord reinforcement
  • Drive Pulley
    Provides motive force to move the conveyor belt through friction
    Material: Carbon steel with rubber lagging
  • Idler Rollers
    Support the conveyor belt and maintain proper belt alignment and tension
    Material: Steel with sealed bearings
  • Drive Motor
    Provides rotational power to the drive pulley through reduction gearbox
    Material: Cast iron housing with copper windings
  • Frame Structure
    Provides structural support and mounting for all conveyor components
    Material: Structural steel
  • Gear Reducer
    Brings motor speed down to belt speed and multiplies torque at the drive pulley.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric pressure only (not a pressure vessel)
flow rate: 5 to 500 tons/hour depending on conveyor width and speed
temperature: Ambient to 150°C (302°F) for standard models; high-temperature variants available up to 400°C (752°F)
slurry concentration: Up to 70% solids by weight for standard models; specialized designs for higher concentrations
Media Compatibility
✓ Crushed slag (granulated or air-cooled) ✓ Bottom ash from coal combustion ✓ Foundry sand and casting residues
Unsuitable: Highly corrosive acidic slurries (pH < 4) without specialized lining
Sizing Data Required
  • Required throughput (tons/hour)
  • Maximum particle size (mm)
  • Conveyor incline angle (degrees)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing seizure
Cause: Inadequate lubrication leading to overheating and metal-to-metal contact, often exacerbated by contamination from conveyed material ingress.
Belt misalignment and edge wear
Cause: Improper tracking adjustment, worn or damaged idlers, or uneven loading causing the belt to run off-center and contact structural components.
Maintenance Indicators
  • Abnormal high-pitched squealing or grinding noise from the drive or tail section, indicating bearing distress or severe misalignment.
  • Visible material spillage along the conveyor path or excessive dust generation at transfer points, signaling belt damage, seal failure, or structural integrity issues.
Engineering Tips
  • Implement a precision lubrication program using the correct grease type and quantity for bearings, coupled with regular infrared thermography inspections to detect early-stage overheating.
  • Install and maintain automatic belt tracking systems with real-time monitoring, and perform routine laser alignment checks on pulleys and idlers to prevent edge wear and premature belt failure.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5049-1:1994 - Continuous mechanical handling equipment - Safety code for belt conveyors ANSI/CEMA 402-2003 - Belt Conveyors DIN 22101:2011 - Continuous conveyors - Belt conveyors for bulk materials - Basis for calculation and dimensioning

Quoted from the published standard.

Manufacturing Precision
  • Belt alignment: +/- 3 mm over 10 m length
  • Roller concentricity: +/- 0.05 mm
Quality Inspection
  • Non-destructive testing (NDT) for weld integrity
  • Load testing to 125% of rated capacity

Manufacturers of Discharge Conveyor

Manufacturer profiles associated with Discharge Conveyor.

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Frequently Asked Questions

What is the typical belt width range for this discharge conveyor?

The belt width ranges from 500 to 1200 mm, as per ISO 15236-1. The exact width should match the crusher discharge width and must be confirmed with the manufacturer for the specific model.

What is the maximum incline angle for the conveyor?

The standard incline angle is 0 to 20 degrees, per ISO 5048. For inclines above 20 degrees, a cleated belt is required to prevent material from sliding back. The actual angle depends on the installation layout and must be verified.

What are the power supply requirements?

The conveyor requires a 3-phase AC power supply of 380–690 V, 50/60 Hz, per IEC 60038. The motor power ranges from 5.5 to 30 kW, depending on conveyor length and incline. Always check the nameplate and consult the supplier.

What maintenance is required for the conveyor?

Regular maintenance includes checking belt tension, inspecting rollers for wear, ensuring proper alignment, and monitoring motor condition. Look for signs of belt wear, unusual noise, or material spillage. Follow the manufacturer's maintenance schedule and verify replacement parts with the supplier.

Data Basis

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

Preliminary Technical Classification
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