Modular Air Cooled Condenser Bundles for Steam Distribution
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Solution Overview
Problem
Current mechanical draft air cooled condensers face challenges in uniform steam distribution, leading to increased turbine back pressure and inefficiency, and are labor-intensive to assemble, requiring significant time and cost.
Innovation Solution
A modular mechanical draft cooling tower design with a vertical axis configuration, featuring a plenum with delta condenser bundles and a support frame, allowing for pre-assembled condenser bundles with steam manifolds and condensate headers, which are transported and assembled on-site, reducing labor and increasing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a large surface area is provided in the condenser to dissipate thermal energy, then heat exchange efficiency is improved, but steam side pressure drop increases thus increasing turbine back pressure and reducing efficiency
Solution Approach 1:
The condenser is divided into multiple independent bundles, each with its own steam manifold and condensate header. This segmentation allows steam to be distributed through multiple parallel pathways, reducing pressure drop while maintaining large total heat exchange surface area. Each bundle operates semi-independently, optimizing both heat transfer efficiency and steam flow characteristics.
Solution Approach 2:
The patent transitions from a conventional horizontal condenser layout to a vertical orientation with bundles arranged along a vertical axis. This dimensional change allows gravity to assist condensate drainage, improves steam distribution uniformity, and enables more efficient heat exchange surface utilization without excessively increasing steam side pressure drop.
2Productivity
If uniform steam distribution is achieved throughout the condenser, then heat exchange efficiency is improved, but ducting complexity and manufacturing cost increase
Solution Approach 1:
The condenser is divided into multiple independent bundles, each with its own steam manifold and condensate header. This segmentation allows steam to be distributed through multiple parallel pathways, reducing pressure drop while maintaining large total heat exchange surface area. Each bundle operates semi-independently, optimizing both heat transfer efficiency and steam flow characteristics.
Solution Approach 2:
Multiple bundles are pre-assembled at the manufacturing plant with steam manifolds and condensate headers already installed and configured. This preliminary assembly ensures uniform steam distribution is built-in during manufacturing, simplifying on-site installation while maintaining optimal heat exchange performance through strategically designed ducting layouts.
3Adaptability or versatility
If the condenser is assembled at the job site, then customization and installation flexibility are improved, but assembly time and labor cost increase significantly
Solution Approach 1:
Multiple bundles are pre-assembled at the manufacturing plant with steam manifolds and condensate headers already installed and configured. This preliminary assembly ensures uniform steam distribution is built-in during manufacturing, simplifying on-site installation while maintaining optimal heat exchange performance through strategically designed ducting layouts.
Solution Approach 2:
Multiple pre-assembled bundles are combined at the installation site to form the complete condenser assembly. This merging approach allows for rapid deployment while maintaining the flexibility to customize the overall configuration. The bundles are designed to be easily connected, reducing on-site assembly time and labor requirements.
4Manufacturing precision
If labor intensive assembly is performed to ensure proper configuration, then assembly precision is improved, but assembly cost and time increase
Solution Approach 1:
Multiple bundles are pre-assembled at the manufacturing plant with steam manifolds and condensate headers already installed and configured. This preliminary assembly ensures uniform steam distribution is built-in during manufacturing, simplifying on-site installation while maintaining optimal heat exchange performance through strategically designed ducting layouts.
Solution Approach 2:
The modular bundle design allows for self-aligning connections and standardized interfaces that reduce the need for highly skilled labor during assembly. The pre-configured steam manifolds and condensate headers are designed to automatically align and connect, ensuring proper configuration while reducing assembly complexity and cost.
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 modular design reduces assembly time and cost, improves heat exchange efficiency by ensuring uniform steam distribution, and decreases turbine back pressure, resulting in increased power plant output and reduced construction complexity.
Implementation Method 1
Dry cooling towers dissipate heat by conduction and convection
Implementation Method 2
Dry cooling towers dissipate heat by conduction and convection
Implementation Method 3
a mechanical draft cooling tower that utilizes air cooled condenser modules... achieves the exchange of heat between two fluids such as atmospheric air, ordinarily, and another fluid which is usually steam
Data Source
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AI summary
The present invention relates to a mechanical draft cooling tower that employs air cooled condenser modules. The aforementioned cooling tower operates by mechanical draft and achieves the exchange of heat between two fluids such as atmospheric air, ordinarily, and another fluid which is usually steam. The aforementioned cooling tower utilizes a modular air cooled condenser concept wherein the air cooled condensers utilize heat exchange deltas that use tube bundles that are manufactured and assembled prior to being shipped to the tower site.