Editorial Technical Reference

Lance Manipulator

This page explains how Lance Manipulator 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 mechanical device designed to precisely position, insert, and retract desulfurization lances into molten metal during the desulfurization process.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Lance Manipulator

Definition
The Lance Manipulator is a critical component of the Molten Metal Desulfurization Reactor system, responsible for the automated and precise handling of injection lances. It positions the lance tip at the optimal depth within the molten metal bath, ensures stable insertion during the reagent injection phase, and safely retracts the lance upon process completion. Its operation is crucial for achieving efficient sulfur removal, minimizing lance wear, and ensuring process safety by maintaining consistent lance positioning and movement. The manipulator is designed for use in basic metal manufacturing environments, where it operates under high-temperature conditions and in proximity to molten metal. It is constructed with high-temperature steel alloys and refractory-coated components to withstand the harsh operating environment. The device features a lifting capacity of 5–10 kg, positioning accuracy of ±5 mm, and vertical speed of 0.1–0.5 m/min. It offers a stroke length of 1500–3000 mm and a rotation angle of ±90°, allowing precise lance placement over multiple injection points. The manipulator operates with a power supply of 380–480 V AC (three-phase, 50/60 Hz) and a control voltage of 24 V DC (±10%) for PLC and sensor circuits. It is designed for an operating temperature range of -10 to 60 °C and has an ingress protection rating of IP54–IP65. The main frame is made of structural steel grade Q345B, and the total weight ranges from 1500 to 2500 kg depending on configuration. The operating pressure is 1.0–1.6 MPa, with a note that All values are reference ranges and must be verified with the legal manufacturer for specific models and applications.
Working Principle
The manipulator typically operates via a combination of linear actuators (for vertical insertion/retraction) and rotational or positioning mechanisms. It is controlled by a programmable logic controller (PLC) or similar automation system that follows a predefined sequence: moving the lance from a standby position, lowering it into the reactor vessel to a specified depth, holding it steady during injection, and then retracting it. It may incorporate force feedback or positional encoders to monitor and control movement precisely.
Common Materials
High-Temperature Steel Alloy, Refractory-Coated Components
Technical Parameters
ParameterTypical rangeNotes & selection driver
Lifting CapacityRequired5–10 kgMaximum weight of the lance assembly that the manipulator can handle
Positioning AccuracyRequired±5 mmThe precision with which the manipulator can position the lance tip
Vertical SpeedRequired0.1–0.5 m/minSpeed of lance insertion and retraction
Stroke Length1500–3000 mmDetermines lance insertion depth
Rotation Angle±90 °Allows lance positioning over multiple injection points
Power Supply380–480 V ACThree-phase, 50/60 HzIEC 60038
Control Voltage24 ±10% V DCFor PLC and sensor circuitsIEC 61131-2
Operating Temperature-10–60 °CAmbient temperature range
Ingress ProtectionIP54–IP65Protection against dust and water jetsIEC 60529
Material GradeQ345BStructural steel for main frameGB/T 1591
Weight1500–2500 kgDepends on configuration and options

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
  • Lifting Frame / Column
    Provides the main structural support and vertical guidance for the lance movement.
    Material: Structural Steel
  • Lance Gripper / Clamp
    Securely holds the lance during manipulation and allows for quick release.
    Material: Heat-Resistant Alloy
  • Drive Mechanism (e.g., Ball Screw, Hydraulic Cylinder)
    Converts rotational or fluid power into precise linear motion for lance insertion/retraction.
    Material: Alloy Steel
  • Position Sensor
    Measures the exact position of the lance and provides feedback to the control system.
    Material: Various (e.g., Encoder housing)
  • PLC Control Unit
    Runs the insert-hold-retract sequence and watches the position feedback.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lance Manipulator.

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: Up to 10 bar (pneumatic/hydraulic actuation systems)
other spec: Lance insertion depth: 0.5-3.0 m, positioning accuracy: ±5 mm, retraction speed: 0.1-1.0 m/s
temperature: Up to 1600°C (lance tip exposure to molten metal)
Media Compatibility
✓ Calcium carbide desulfurization slurry ✓ Magnesium-based desulfurization reagents ✓ Lime-based desulfurization powders
Unsuitable: Chlorine-based desulfurization environments (causes severe corrosion)
Sizing Data Required
  • Ladle diameter and molten metal depth
  • Required lance insertion force and torque
  • Desulfurization cycle time and lance change frequency

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wear and tear on bearings and seals
Cause: Inadequate lubrication, contamination ingress, or misalignment leading to accelerated degradation of critical rotating components.
Hydraulic or pneumatic system leaks
Cause: Degraded seals, hose fatigue, or fitting failures due to pressure cycling, thermal stress, or chemical incompatibility with fluids.
Maintenance Indicators
  • Unusual vibrations or audible grinding/knocking during operation
  • Visible fluid leaks or drips from hydraulic/pneumatic connections
Engineering Tips
  • Implement a condition-based lubrication program using high-quality, compatible lubricants and monitor bearing temperatures and vibration trends.
  • Conduct regular alignment checks and torque verification on all mechanical fasteners and fittings to prevent stress-induced failures.

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 10218-1:2011 - Robots and robotic devices - Safety requirements for industrial robots ANSI/RIA R15.06 - Industrial Robots and Robot Systems - Safety Requirements CE Marking - Machinery Directive 2006/42/EC

Quoted from the published standard.

Manufacturing Precision
  • Positioning repeatability: +/-0.05mm
  • Load capacity deviation: +/-1.5% of rated capacity
Quality Inspection
  • Laser interferometer accuracy verification
  • Cyclic endurance testing under maximum load

Manufacturers of Lance Manipulator

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

CHNZBTECH
Xian, Shaanxi, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
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Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
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Frequently Asked Questions

What is the primary function of a lance manipulator?

The primary function is to precisely position, insert, and retract desulfurization lances into molten metal during the desulfurization process, ensuring optimal lance depth and stable operation.

What are the key specifications to consider when selecting a lance manipulator?

Key specifications include lifting capacity (5-10 kg), positioning accuracy (±5 mm), vertical speed (0.1-0.5 m/min), stroke length (1500-3000 mm), rotation angle (±90°), and operating pressure (1.0-1.6 MPa). These are reference ranges and must be verified for the specific model.

How is the lance manipulator controlled?

It is typically controlled by a programmable logic controller (PLC) or similar automation system that follows a predefined sequence for lance movement, including insertion, holding, and retraction. It may use force feedback or positional encoders for precise control.

What materials are used in the construction of the lance manipulator?

The manipulator is constructed with high-temperature steel alloys and refractory-coated components to withstand high temperatures and molten metal exposure. The main frame uses structural steel grade Q345B.

Data Basis

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

Preliminary Technical Classification
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