Curved Cooling Line Layout for Thermal Expansion in Reactors
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Solution Overview
Problem
Reactor components experience significant thermal expansion issues due to differing coefficients of expansion and temperature exposure, leading to stress and potential damage, particularly in pillow plate reactors, which traditional flexible solutions cannot effectively address.
Innovation Solution
A reactor design featuring a curved supply line and discharge line configuration that distributes thermal expansion effects over a longer length, reducing stress and allowing the reactor to withstand high pressures, with specific curvature angles in the supply line and discharge line to minimize thermal expansion impacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional rigid supply lines are used to connect the distributor to the cooling fluid inlet, then the reactor can withstand high pressures, but thermal expansion causes significant stresses and potential damage
Solution Approach 1:
The supply line is designed with a specific curved configuration including a first portion and a second portion with defined curvature angles. This curvature allows the supply line to flex and accommodate thermal expansion of the plate assembly while maintaining structural integrity and withstanding high operating pressures.
Solution Approach 2:
The supply line's geometric parameters (curvature angles, lengths of portions) are specifically optimized to balance two requirements: sufficient flexibility to absorb thermal expansion movements and sufficient rigidity to withstand high operating pressures. This parameter optimization resolves the contradiction between flexibility and pressure resistance.
2Object-affected harmful factors
If flexible hoses are used to accommodate thermal expansion, then thermal expansion effects are reduced, but the system cannot withstand high pressures
Solution Approach 1:
Instead of using flexible hoses, the invention employs a rigid supply line with optimized curvature. The curved geometry provides flexibility to accommodate thermal expansion while the rigid material construction maintains the ability to withstand high operating pressures, thus resolving the contradiction between flexibility and strength.
Solution Approach 2:
The supply line's geometric parameters are specifically designed to provide adequate flexibility for thermal expansion accommodation while maintaining sufficient structural strength. The curvature angles and portion lengths are optimized to achieve both flexibility and high pressure resistance simultaneously.
3Ease of manufacture
If straight supply lines are used, then the system is simpler and easier to manufacture, but thermal expansion causes significant stresses
Solution Approach 1:
The supply line incorporates specific curved portions with defined curvature angles to accommodate thermal expansion. While more complex than a straight line, this curved configuration is still manufacturable using standard piping techniques and provides necessary flexibility to reduce thermal expansion stresses.
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
The described reactor configuration significantly reduces the effects of thermal expansion, allowing the system to operate efficiently and maintain structural integrity under varying temperature conditions, even at high pressures, without the need for flexible hoses.
Implementation Method 1
During operation, components of a pillow plate reactor may sometimes expand significantly. Not all the components have the same coefficient of expansion and not all the components are exposed to the same temperature. Therefore, the individual components of a pillow plate reactor usually expand to differing extents.
Data Source
AI summary
A reactor including a reactor vessel and, inside the reactor vessel there is a plate assembly which is mounted in suspended form. There is also a distributor which is attached to the plate assembly, and at least one supply line, via which the distributor is connected to a respective cooling fluid inlet of the reactor vessel. There is also a collector which is attached to the plate assembly, and at least one discharge line, via which the collector is connected to a respective cooling fluid outlet of the reactor vessel. Wherein flow paths for the cooling fluid are formed, and wherein the at least one supply line is curved.