Rotary Drum Blancher Skinsheet Clamp Mechanism
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Solution Overview
Problem
Existing rotary drum blanchers are limited by either having bolted-on skinsheets that are difficult to clean or totally removable skinsheets that are cumbersome to switch and install, lacking a seamless conversion between these two configurations to meet user needs.
Innovation Solution
A rotary drum blancher/cooler design featuring a skinsheet with adjustable clamps and catches that allow for easy conversion between clean-in-place and totally removable modes, using a U-shaped bail that can be adjusted to mate with either clean-in-place or totally removable catches, enabling flexible operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If bolted-on skinsheets are used to form a tight strong cylinder, then the drum integrity is improved, but the cleaning accessibility deteriorates due to overlapping areas
Solution Approach 1:
The skinsheet is divided into multiple removable sections that can be separated from each other. Each section can be individually removed or cleaned, eliminating the overlapping areas that were difficult to access while maintaining the structural integrity when assembled.
2Ease of operation
If totally removable skinsheets are used to provide full cleaning access, then the cleaning accessibility is improved, but the ease of operation deteriorates due to cumbersome removal, storage, and reinstallation
Solution Approach 1:
The clamp mechanism incorporates a bail that can dynamically switch between two positions: engaged with a catch to secure the skinsheet section, or disengaged to allow removal. This dynamic mechanism simplifies the handling process compared to traditional bolted connections.
Solution Approach 2:
A catch mechanism serves as an intermediary between the clamp and the skinsheet section. The catch provides a positive engagement point that guides the bail during engagement and disengagement, reducing the complexity of direct attachment while ensuring secure connection when assembled.
3Ease of operation
If CIP skinsheets with separated sections are used, then the cleaning accessibility is improved, but the adaptability deteriorates because the design cannot be converted to totally removable configuration
Solution Approach 1:
The clamp and catch mechanism is designed with universal functionality to support multiple skinsheet configurations. The same basic mechanism can accommodate both CIP-style separated sections and totally removable skinsheets, allowing a single drum design to adapt to different operational requirements.
Solution Approach 2:
The system allows parameter changes in the bail position and catch configuration to transition between different skinsheet modes. By adjusting how the bail engages with the catch, the same mechanism can provide either restricted movement (CIP style) or complete removability, enabling configuration flexibility without redesign.
Data Source
AI summary
A method and apparatus for changing all or part of the skinsheet of a rotary drum blancher/cooler from being clean in place totally removable is disclosed. The drum includes the skinsheet (in sections) with a plurality of clamps and catches. Each catch is comprised of two catches—a clean in place catch and a totally removable catch. Each clamp is attached to a section and has an clamping position and a release position, and includes a bail. When a clamp is in the clamping position and its bail is in either the clean in place catch or the totally removable catch of a corresponding catch on an adjacent second section, the catch and clamp hold the adjacent sections together to form a part of the drum. When the clamp is in the release position and the bail is in the clean in place catch of the adjacent section, the clamp and clean in place catch allow adjacent sections to separate, but do not allow them to be removed.