Heat transfer device
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Solution Overview
Problem
Conventional heat transfer devices fail to maintain high precision temperature uniformity along the entire length of a pipe due to heat dissipation at the joining portion with the apparatus, leading to temperature distribution issues and reduced heating effectiveness.
Innovation Solution
The heat transfer device incorporates a high heat conductivity block with a heat pipe and a heater, featuring a proximity portion where the block is close to the pipe at both ends, an intermediate member for thermal contact, and a biasing mechanism to ensure efficient heat transfer, reducing heat dissipation and maintaining uniform temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a gap is provided between the pipe line and the heat transfer block to facilitate assembly, then ease of assembly is improved, but heat transfer efficiency deteriorates due to increased heat dissipation at the end portions
Solution Approach 1:
The heat transfer block has different gap configurations at different locations: a first gap at the end portion and a second gap (smaller than the first) at the intermediate portion. This local differentiation allows easier assembly at the ends while maintaining better heat transfer efficiency at the intermediate section where heat dissipation is less critical.
Solution Approach 2:
The heat transfer block is divided into multiple sections along the pipe length, with different gap characteristics for each section. The end portions have larger gaps for assembly facilitation, while the intermediate portion has a smaller gap to reduce heat dissipation, creating a segmented approach to solving both problems.
2Device complexity
If the piping section for connection is kept short, then device complexity is reduced, but temperature control capability deteriorates due to insufficient heating and temperature control
Solution Approach 1:
The heat transfer block provides localized enhanced heat transfer at the intermediate portion through a smaller gap configuration, compensating for the short connection piping length. This ensures adequate temperature control in the critical intermediate section without requiring extended piping that would increase device complexity.
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 enhances temperature uniformity along the pipe length by increasing heat transfer from the block to the pipe, compensating for heat loss and maintaining precision temperature control, even when the apparatus temperature is lower than the control temperature.
Implementation Method 1
a heat pipe embedded in the heat transfer block along the extending direction of the pipe line
Implementation Method 2
a heat transfer block of high heat conductivity
Implementation Method 3
a heater applying heat to the heat pipe
Data Source
AI summary
A heat transfer device that can improve temperature uniformity along the entire length of a pipe line housed in the heat transfer device is provided. The heat transfer device transferring heat to the pipe line in which a fluid flows includes: a heat transfer block of high heat conductivity, surrounding the pipe line, a heat pipe formed in the heat transfer block, along an extending direction of the pipe line, and a heater applying heat to the heat pipe. The heat transfer block includes a plurality of divided blocks dividable along the extending direction of the pipe line. There is provided a proximity portion where the heat transfer block is in proximate to the pipe line at both ends of the heat transfer block in the extending direction of the pipe line.