Inclined Danner Pipe Heating for Glass Tube Quality
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Solution Overview
Problem
Existing apparatuses for forming glass tubes, particularly for pharmaceutical packaging, struggle to consistently produce high-quality glass tubes due to inadequate temperature control and geometry precision in the Danner-process.
Innovation Solution
The apparatus features a heating chamber with a Danner-pipe inclined at a Danner-angle and heating devices inclined at a matching heating-angle, allowing for optimized temperature stability and gradient adaptation, ensuring even heat transfer and precise control over the glass tube formation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the heating device is arranged parallel to the horizontal plane in conventional apparatuses, then the apparatus structure is simple, but the temperature stability and heat transfer efficiency are insufficient for producing high-quality glass tubes
Solution Approach 1:
The patent applies parameter changes by inclining the heating device at a specific angle (heating-angle) relative to the horizontal plane, matching the Danner-angle of the Danner-pipe. This angular parameter modification optimizes the heat transfer efficiency and temperature stability, enabling the production of high-quality glass tubes that meet pharmaceutical packaging standards.
2Stability of the object's composition
If the heating device is inclined to match the Danner-angle, then temperature stability and heat transfer efficiency improve, but the device complexity increases
Solution Approach 1:
The heating device is inclined at a heating-angle that matches the Danner-angle parameter, creating optimal conditions for temperature stability. This parameter alignment ensures that the glass coating on the Danner-pipe receives even heat distribution, maintaining consistent temperature throughout the glass forming process.
Solution Approach 2:
By inclining the heating device to match the Danner-pipe angle, the patent creates an equipotential heating configuration where heat is distributed evenly across the glass coating surface. This eliminates temperature gradients and ensures uniform heating, achieving the desired temperature stability for high-quality glass tube production.
3Manufacturing precision
If conventional heating arrangements are used, then the apparatus is easier to manufacture, but the temperature gradient adaptation is too slow to meet quality standards
Solution Approach 1:
The patent modifies the heating device inclination angle to match the Danner-angle, enabling rapid adaptation of the temperature gradient. This parameter optimization allows the system to quickly respond to temperature requirements, ensuring precise glass tube geometry and meeting stringent quality standards for pharmaceutical packaging.
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
This configuration results in higher quality glass tubes with improved temperature consistency and geometry, meeting stringent pharmaceutical packaging standards by ensuring optimal heat transfer and precise temperature control.
Implementation Method 1
at least one heating device (4), wherein the Danner-pipe and the at least one heating device (4) are arranged inside of the heating chamber (2)
Implementation Method 2
The Danner-pipe is a rotating cylinder that is inclined with respect to the horizontal plane such that the molten glass flows over the Danner-pipe due to gravitation
Implementation Method 3
The Danner-pipe is a rotating cylinder that is inclined with respect to the horizontal plane such that the molten glass flows over the Danner-pipe due to gravitation
Implementation Method 4
To prevent the glass tube from collapsing, compressed air is blown through openings of the Danner-pipe
Data Source
AI summary
An apparatus for forming glass tubes is provided. The apparatus includes a Danner-pipe, a heating device, and a heating chamber having the Danner-pipe and the heating device arranged therein. The Danner-pipe is inclined with respect to a horizontal plane by a Danner-angle. The heating device is inclined with respect to the horizontal plane by a heating-angle. The Danner-angle and/or the heating angle are in a range of 1° to 45°.