Dry Particulate Tundish Lining Installation for Diverse Geometries
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Solution Overview
Problem
Existing installations for applying a dry vibe lining on tundishes are not flexible and require customized equipment for each specific tundish geometry, limiting their applicability to diverse geometries.
Innovation Solution
An installation comprising a 3D space reference system with a support frame, tank, dispensing units, and translation mechanisms for applying a lining composition in the form of dry particulate material, suitable for various tundish geometries, using a plunger and synchronized translation mechanisms to automate the coating process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If customized equipment is used for each specific tundish geometry, then the lining application can be precisely adapted to the specific geometry, but the device complexity and equipment customization needs increase
Solution Approach 1:
The installation employs a universal plunger design that can be adapted to different tundish geometries through modular components and adjustable positioning systems, eliminating the need for completely customized equipment for each geometry type while maintaining precise lining application capability
Solution Approach 2:
The installation incorporates adjustable and repositionable dispensing units that can be dynamically configured to match different tundish geometries, allowing the same basic equipment to adapt to various shapes and sizes through controlled movement and repositioning rather than fixed customized designs
2Manufacturing precision
If manual spray lining is used, then labor intensity is high and reproducibility is not guaranteed, but equipment complexity is reduced
Solution Approach 1:
The installation enables automated self-application of the lining material through programmed dispensing units that automatically meter and deposit material according to predetermined patterns, eliminating manual operation while maintaining consistent reproducibility across different applications
Solution Approach 2:
The installation replaces manual mechanical spraying operations with an automated system using controlled material dispensing mechanisms, achieving consistent reproducibility through programmed control rather than manual skill while managing equipment complexity through modular automation components
3Adaptability or versatility
If wet spraying is used to apply lining, then complex geometries can be lined, but water removal time and energy increase and surface quality is not as smooth
Solution Approach 1:
The installation extracts and eliminates the water component from the lining material application process, using dry particulate material that requires no water removal step, thereby eliminating the time and energy consumption associated with water evaporation while still enabling complex geometry lining through automated dispensing
Solution Approach 2:
The installation changes the physical state parameter of the lining material from wet/aqueous slurry to dry particulate material, fundamentally altering the application process to eliminate water removal requirements while maintaining the ability to form linings on complex geometries through controlled dry material dispensing
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 automated and reproducible application of a working lining on tundishes with diverse geometries, reducing labor intensity and equipment customization needs, while ensuring a smooth finish and improved adhesion.
Implementation Method 1
a metering unit configured for metering and conveying a defined amount of dry particulate material to a dispensing outlet
Implementation Method 2
The dispensing head comprises one or more openings configured for dispensing dry particulate material metered by the metering unit
Implementation Method 3
an elevation translation mechanism supported by the support frame and configured for reversibly holding the plunger and translating the plunger along a direction having a component parallel to the vertical axis (Z) in and out of the cavity
Implementation Method 4
allowing the coating composition thus filling the floor gap and peripheral gap between the plunger and the floor and peripheral walls of the tundish to solidify to form the working lining (2s)
Data Source
AI summary
An installation for applying a lining composition in the form of dry particulate material (2p) is provided to form a working lining (2s) onto a surface of a cavity in a tundish (1). A space reference system (X, Y, Z), where X is a longitudinal axis, Y is a transverse axis, and Z is a vertical axis is used. The installation includes a support frame defining a passage, a tank for storing an amount of the dry particulate material, dispensing units, a plunger configured for fitting in the cavity, a longitudinal translation mechanism is configured for holding and translating the dispensing along the longitudinal axis, a transverse translation mechanism is configured for receiving the tundish and translating the tundish along the transverse axis of the passage, and an elevation translation mechanism is configured for holding the plunger and translating the plunger along the vertical axis of the cavity when the tundish is located in the passage.