Hydrogen Rankine Cycle Boiler Flame Temperature Control
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Solution Overview
Problem
Current renewable energy systems face challenges with non-continuous supply, reliance on carbon-based fuels for backup, and high emissions of CO2 and NOx, as well as equipment damage from high flame temperatures in hydrogen combustion.
Innovation Solution
A Rankine Cycle system using pure hydrogen as a primary fuel source with optional secondary fuels and flame temperature reducing fluids to lower bulk flame temperatures, combined with pure oxygen or oxygen-enriched air to reduce emissions and extend equipment life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If hydrogen combustion is used for electricity generation, then CO2 emissions are reduced, but flame temperature increases causing equipment damage
Solution Approach 1:
The patent introduces an intermediary substance (water or steam) that absorbs excess heat from the hydrogen combustion flame. This mediator reduces the flame temperature to a level that prevents equipment damage while maintaining the benefit of low CO2 emissions from hydrogen combustion.
Solution Approach 2:
The patent changes the temperature parameter of the combustion process by controlling the amount of water/steam injected and adjusting combustion conditions. This parameter modification allows the system to operate at optimal temperatures that prevent equipment damage while maintaining efficient electricity generation.
2Object-generated harmful factors
If pure hydrogen is used as fuel, then CO2 emissions are eliminated, but flame temperature becomes excessively high
Solution Approach 1:
Water or steam is introduced as an intermediary substance that absorbs thermal energy from the high-temperature hydrogen flame through evaporation and heat capacity, thereby reducing the flame temperature to acceptable levels while maintaining the zero CO2 emission benefit.
Solution Approach 2:
The patent converts the harmful high temperature into a beneficial process by using the excess thermal energy to evaporate water/steam, which then serves to moderate the flame temperature. The harmful heat that would damage equipment is transformed into a useful phase-change process that controls temperature.
3Duration of action of stationary object
If flame temperature is reduced to protect equipment, then equipment life increases, but electricity generation efficiency may decrease
Solution Approach 1:
The patent optimizes the temperature parameter by introducing just enough water/steam to reduce flame temperature to equipment-safe levels without excessive cooling that would compromise efficiency. This parameter optimization balances equipment protection with maintained productivity.
Solution Approach 2:
The system maintains continuous electricity generation while protecting equipment by continuously managing the water/steam injection and combustion process. The useful action of electricity generation continues uninterrupted while the temperature is controlled to prevent equipment failure.
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 system effectively reduces CO2, NOx, and other greenhouse gas emissions while increasing equipment life and decreasing failure rates, making hydrogen combustion for electricity generation more viable and environmentally friendly.
Implementation Method 1
hydrogen combustion
Implementation Method 2
energy delivered by this exothermic reaction
Implementation Method 3
steam turbine where a generator produces electricity
Implementation Method 4
lowering a bulk flame temperature of a burner in the boiler system
Data Source
AI summary
The invention relates to a system and process for electricity generation using steam production by hydrogen combustion, and more particularly to a Rankine Cycle system and process for the generation of electricity using a primary pure hydrogen fuel source for the generation of steam in the boiler system. The Rankine Cycle system and process may also use one or more secondary fuel sources in combination with the primary hydrogen fuel source to supplement the primary pure hydrogen fuel if necessary. Additionally, the inventive system and process can use a flame temperature reducing fluid for lowering bulk flame temperature of a burner in the boiler system to increase equipment life and decrease equipment failure. The inventive Rankine Cycle system and process reduce emissions of carbon dioxide, nitrogen oxides, and other greenhouse gases into the atmosphere, and reduce bulk flame temperatures to increase equipment life and decrease equipment failure.