On-demand Vapor Generator Eliminates Pressure Vessel
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Solution Overview
Problem
Existing steam generation systems rely on boilers and pressure vessels, which are inefficient, pose safety risks, and require significant resources for operation and maintenance, as they maintain a reservoir of steam that may not be needed constantly, leading to inefficiencies and increased costs.
Innovation Solution
A system that generates steam on demand by releasing liquid working fluid into a heat exchange tube where it is heated, allowing for controlled adjustment of steam flow, temperature, and pressure without a large pressure vessel, using a control system to regulate the flow and heat energy input, enabling quick response to changing conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a pressure vessel is used to store steam, then steam can be quickly released to meet demand, but significant safety hazards and special permits are required
Solution Approach 1:
The patent removes the pressure vessel component from the steam generation system entirely. Instead of storing steam in a pressure vessel and releasing it, the system generates steam on-demand in a controlled heat exchange tube, extracting the dangerous storage function while maintaining the ability to respond quickly to demand changes.
Solution Approach 2:
The system performs preliminary heating of water to its boiling point in the heat exchange tube, then immediately converts it to steam when heat is applied. This preliminary preparation allows the system to generate steam rapidly without needing to pre-store it in a pressure vessel, achieving quick response without the associated safety hazards.
2Quantity of substance
If a large pressure vessel is used to maintain steam reservoir, then steam flow can be maintained, but system complexity and costs increase
Solution Approach 1:
The patent extracts and eliminates the large pressure vessel from the system, replacing it with a simple heat exchange tube that generates steam on-demand. This maintains consistent steam flow through controlled heat application and water release, while dramatically reducing system complexity and associated costs.
Solution Approach 2:
The system uses a feedback control mechanism where sensors monitor steam generation and automatically adjust the heating and water release rates. This self-regulating capability maintains consistent steam flow without requiring complex manual control systems or large storage vessels.
3Speed
If steam is pre-generated and stored, then demand can be met quickly, but energy efficiency decreases due to continuous heating
Solution Approach 1:
The system applies heat periodically and only when needed, rather than continuously heating water to maintain a steam reservoir. The control system activates heating in response to detected demand, converting water to steam on-demand in the heat exchange tube, thereby eliminating energy waste from continuous operation while maintaining quick response capability.
4Quantity of substance
If a boiler system is used to generate steam, then large quantities of steam can be produced, but the system requires significant resources for operation and maintenance
Solution Approach 1:
The patent divides the steam generation function into a distributed system with multiple heat exchange tubes rather than relying on a single large boiler. This segmentation allows the system to produce sufficient steam capacity while using simpler, more manageable components that require fewer specialized operators and less maintenance infrastructure.
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 approach reduces inefficiencies and safety risks by generating steam only when needed, improving responsiveness and efficiency, and allowing for flexible power output adjustments, while eliminating the need for a large pressure vessel and associated costs.
Implementation Method 1
Working fluid in a liquid phase is released into a heat exchange tube where it is heated to its gaseous phase
Implementation Method 2
heat energy is absorbed to change water into steam
Implementation Method 3
The gaseous working fluid can continue to absorb heat before exiting the heat exchange tube
Data Source
AI summary
The disclosed apparatus and control system produces a single, on demand, energetic gaseous working fluid from any heat source. Working fluid in a liquid phase is released into a heat exchange tube in the form of very fine droplets or atomized mist, where it is rapidly heated to its gaseous phase. The gaseous working fluid can continue to absorb heat before exiting the heat exchange tube to perform work. The disclosed system controls the release of working fluid into the heat exchange tube and/or the heat energy to which the tube is exposed, resulting in a flow of energetic gaseous working fluid that can be quickly adjusted in response to changing conditions without a large pressure vessel.