Insulated Column Cartridge Structure for Safe Column Replacement
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Solution Overview
Problem
Existing chromatograph systems face challenges in safely and cost-effectively replacing separation columns due to the use of heat insulating materials that increase environmental burden and cost.
Innovation Solution
A column cartridge design with a built-in stationary phase, a heat transfer body, and a housing that includes a heat insulating layer between the heat transfer body and the housing, allowing for safe and easy replacement of separation columns without additional insulation materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If heat insulating material is used to separate the column heat block from the column cartridge surface, then operator safety during replacement is improved, but cost and environmental burden increase
Solution Approach 1:
The column cartridge is divided into distinct functional components: the column heat block for heating, the heat insulating layer for thermal isolation, and the column cartridge body for housing. This segmentation allows each component to be optimized independently, with the heat insulating layer positioned specifically between the heat block and the cartridge surface to protect operators during replacement while maintaining cost-effectiveness through targeted insulation rather than comprehensive material usage
Solution Approach 2:
The heat insulating layer acts as an intermediary element positioned between the heat transfer body and the housing. This intermediate layer transfers the thermal isolation function without requiring direct contact between the heat block and cartridge surface, thereby protecting operators from burns during column replacement while avoiding the need for expensive heat-resistant materials throughout the entire cartridge structure
2Object-affected harmful factors
If heat insulating material is used to separate the column heat block from the column cartridge surface, then operator safety during replacement is improved, but environmental burden increases
Solution Approach 1:
Heat insulation is applied locally only where necessary - between the heat transfer body and the housing - rather than throughout the entire column cartridge structure. This localized approach provides operator protection during replacement while minimizing the total amount of insulating material used, thereby reducing environmental burden compared to comprehensive insulation solutions
3Measurement precision
If the separation column is heated to improve sample separation efficiency, then separation performance is improved, but risk of burns to operator during replacement increases
Solution Approach 1:
The heat insulating layer is pre-positioned between the heat transfer body and the housing before the column cartridge is installed in the chromatograph. This preliminary placement ensures that when the heating mechanism operates and maintains high temperatures for improved separation efficiency, the insulated layer already protects the external cartridge surface from excessive heat, thereby preventing operator burns during future replacement operations
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 safe and cost-effective replacement of separation columns while minimizing environmental impact and maintaining temperature control for efficient sample separation.
Implementation Method 1
a heat transfer body configured to transfer heat from a heating mechanism to the separation column
Implementation Method 2
A heat insulating layer is formed between the heat transfer body and the housing
Data Source
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AI summary
Provided are a column cartridge and an analyzer by which an operator can safely and easily replace a separation column while preventing an increase in cost and environmental burden. The column cartridge according to the present invention includes: a separation column having a built-in stationary phase; a heat transfer body configured to transfer heat from a heating mechanism to the separation column; and a housing configured to accommodate the separation column and the heat transfer body. A heat insulating layer is formed between the heat transfer body and the housing. The heat insulating layer is preferably a gap formed at a position excluding a plurality of support portions that support the heat transfer body.