Rail Cooling Tank Moduli for Uniform Thermal Exchange
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Solution Overview
Problem
Current cooling tanks for rail heads in thermal treatment installations face issues with non-uniform cooling fluid exchange, fluid level maintenance, turbulence, and manual cleaning, leading to inefficient thermal treatment and energy consumption.
Innovation Solution
A modular cooling tank design with a delivery manifold and gauged holes for uniform fluid distribution, continuous fluid exchange, and automatic washing capabilities to ensure consistent cooling and easy maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a cooling tank is used to immerse the head of the rail, then greater cooling evenness in the direction of length is achieved, but the non-continuous exchange of cooling fluid prevents good temperature control and optimum thermal exchange
Solution Approach 1:
The cooling tank is divided into multiple longitudinal moduli (sections) that can be independently filled and emptied. Each modulus contains a delivery manifold with gauged holes distributed along its length, enabling segmented fluid exchange that maintains continuous cooling while allowing periodic refilling. This segmentation resolves the contradiction by preserving cooling uniformity through immersive treatment while enabling continuous fluid replacement for temperature control.
Solution Approach 2:
The system maintains continuous cooling action through overlapping cycles in different moduli. While one modulus is being refilled, adjacent moduli continue to provide cooling. The delivery manifolds are designed with gauged holes that ensure continuous fluid distribution along the rail head length, preventing interruption of the useful cooling action while enabling periodic fluid exchange.
2Productivity
If successive rails are immersed in the cooling tank, then thermal treatment is performed, but the decreasing level of cooling fluid compromises optimum tempering of successive rails
Solution Approach 1:
The tank is segmented into multiple moduli that can be independently filled and operated. As successive rails are processed, fluid is consumed in one modulus while adjacent moduli remain full or are being refilled. This segmentation ensures that every rail encounters optimal fluid levels throughout the treatment process, maintaining tempering quality regardless of throughput volume.
Solution Approach 2:
The delivery manifolds are pre-filled with cooling fluid before rail immersion begins. The gauged holes are positioned and sized to provide predetermined fluid distribution patterns. This preliminary preparation ensures that optimal cooling conditions are already in place before each rail enters, maintaining consistent tempering quality across all rails in the sequence.
3Productivity
If cooling fluid flows in the tank during tempering treatment, then cooling is provided, but turbulences and vortex formations prevent uniform cooling speed along the rail head
Solution Approach 1:
The delivery manifold in each modulus is equipped with multiple gauged holes positioned at specific locations along the length. These holes create localized, distributed flow patterns rather than a single strong current. The flow emerges from multiple points simultaneously, creating gentle upward movement throughout the modulus that avoids large-scale turbulence and vortex formation, ensuring uniform cooling speed along the entire rail head.
4Adaptability or versatility
If the cooling tank is designed without restraint conditions, then thermal dilatation occurs, but consequential deformations compromise the regularity of fluid level
Solution Approach 1:
The tank is divided into separate longitudinal moduli that can expand and contract independently. Each modulus contains its own delivery manifold and fluid system. This segmentation allows thermal dilatation to occur within individual sections without propagating deformations throughout the entire tank, thereby maintaining fluid level regularity in each modulus while accommodating overall thermal expansion of the structure.
5Ease of manufacture
If manual cleaning of the tank is performed, then maintenance is carried out, but burdensome manual interventions are required
Solution Approach 1:
The tank is divided into multiple accessible moduli with removable components. The delivery manifolds and internal structures are designed in modular sections that can be independently accessed, removed, and cleaned. This segmentation transforms the previously burdensome task of cleaning the entire large tank into manageable operations on smaller sections, reducing manual effort while maintaining complete maintenance capability.
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 solution provides stable and uniform cooling, maintains fluid level constancy, optimizes fluid dynamics, and allows for automatic washing, enhancing the thermal treatment process and reducing energy consumption.
Implementation Method 1
flowing out of said cooling fluid into the lower area of the first volume of each modulus, at a predetermined second pressure at least equal to the piezometric charge exerted by an impending hydraulic head of the fluid through the plurality of gauged holes of the longitudinal sections of said delivery manifolds
Implementation Method 2
The head of the heated rails are subjected to a rapid cooling either by means of spray nozzles, which inject a cooling fluid (water, air, or water mixed with air) onto the head of the rail, or by immersing the same head in a cooling tank containing a cooling fluid
Data Source
AI summary
A cooling tank for the thermal treatment of the head of rails, whose frame allows obtaining a stable and on average uniform flow of the cooling fluid which touches the head of the immersed rail along the entire tank, with the continuous exchange of the fluid so as to optimize the cooling speed of the head of the rail.