Continuous Melting Apparatus with Pressure-Driven Transfer Channel

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing methods for melting and refining materials under different pressures require batch processes due to equipment complexity and space requirements, as they cannot efficiently handle pressure differences and continuous material transfer, especially when transitioning between high vacuum, vacuum, and low-pressure processes.

Innovation Solution

A method and apparatus that utilize pressure differences and electromagnetic influencing to transfer liquid materials between treatment chambers, allowing for continuous operation by slowing or stopping the material flow, using independent heat sources such as plasma torches and electron beam guns, and maintaining pressure gradients through a transfer channel that fills with liquid material.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If batch processes are used to treat materials at different pressures, then material refinement can be achieved, but equipment complexity and space requirements increase significantly

Engineering Contradiction:
Improvematerial refinementVSAvoidequipment complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple treatment chambers operating at different pressure levels into a single integrated system with a common molten material reservoir. The transfer channel connects all chambers, allowing molten material to flow between them based on pressure differences, thereby merging previously separate batch processes into one continuous operation that reduces equipment complexity while maintaining refinement effectiveness.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The common molten material reservoir serves multiple functions: it acts as the material source for all treatment chambers, the transfer medium between chambers of different pressures, and the continuous processing medium. This universal component enables the system to handle multiple pressure levels and treatment types without requiring separate equipment for each function.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If batch processes are used to treat materials at different pressures, then material refinement can be achieved, but processing time and productivity decrease

Engineering Contradiction:
Improvematerial refinementVSAvoidprocessing time
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent establishes continuous material flow through the transfer channel connecting treatment chambers at different pressure levels. Molten material continuously circulates from high-pressure chambers to low-pressure chambers and back, enabling uninterrupted processing. This eliminates the downtime associated with batch processes where material must be manually transferred and equipment reconfigured between treatments.

Inventive Principle:
Principle #20Continuity of useful action

3Ease of operation

If pressure differences are used to transfer melt between chambers, then level differences occur, but continuous operation becomes difficult

Engineering Contradiction:
Improvecontinuous operationVSAvoidlevel difference
Core Design Contradiction:
Ease of operationVSLength of stationary object

Solution Approach 1:

The transfer channel acts as an intermediary element that connects treatment chambers operating at different pressure levels. It allows molten material to flow between chambers with different pressure conditions without requiring physical level adjustments or complex pumping systems. The channel design accommodates pressure-driven flow while maintaining continuous operation.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces mechanical level adjustment systems or pumps with a pressure-driven flow system. By utilizing natural pressure differences between chambers to drive molten material through the transfer channel, the system eliminates the need for mechanical intervention to manage level differences, thereby simplifying the system and enabling continuous operation.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Reliability

If sequential treatment at different pressures is implemented, then material refinement improves, but equipment outlay increases

Engineering Contradiction:
Improvematerial refinementVSAvoidequipment outlay
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges multiple treatment chambers operating at different pressure levels into a single integrated system sharing a common molten material reservoir and connected by a transfer channel. This consolidation allows sequential treatment at different pressures to occur within one equipment setup rather than requiring separate batch processing equipment for each pressure level, thereby reducing overall equipment outlay while maintaining refinement effectiveness.

Inventive Principle:
Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables continuous processing of materials by reducing level differences between treatment chambers, allowing for efficient refinement and alloy production while maintaining process pressures, thus reducing equipment complexity and operational costs.

Implementation Method 1

the transfer of the material being effected by pressure differences in combination with electromagnetic influencing of the flow rate between the treatment chambers

Methodology Applied
Scientific EffectElectromagnetic influencing: Electromagnetic Propulsion

Implementation Method 2

the transfer of the material being effected by pressure differences in combination with electromagnetic influencing of the flow rate between the treatment chambers

Methodology Applied
Scientific EffectPressure difference: Pressure Gradient

Implementation Method 3

The materials treated in the process are converted into a liquid aggregate state by one or more heat sources

Methodology Applied
Scientific EffectHeating: Heating

Data Source

PatentEP3022325B1Apparatus and method for sequential melting and refining in a continuous process
Publication Date: 2017.10.04 ALD VACUUM TECH GMBH
  • EP3022325B1 patent drawingFigure 1
  • EP3022325B1 patent drawingFigure 2
  • EP3022325B1 patent drawingFigure 3

AI summary

An apparatus and a method performable with the apparatus for sequential melting and refining of materials are proposed. The materials treated in the process are converted to a liquid state of matter by heat sources. The process is particularly suitable for treating metals, semimetals and ceramics, for example in order to produce alloys and/or to refine the materials. During the method, the material goes through various treatment chambers which enable treatment at different pressure levels.