Hot Oxygen Jet Adjustment for Feedstock-Flexible Partial Oxidation
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Solution Overview
Problem
Existing hydrocarbon production plants face disruptions and inefficiencies when there are changes in the characteristics of the feedstock material, such as composition or feed rate, often requiring shutdowns or costly adjustments to maintain product quality.
Innovation Solution
The method involves adjusting the characteristics of the hot oxygen jet used in partial oxidation reactors by modifying parameters like temperature, oxygen concentration, and stoichiometric ratio in the hot oxygen generator to maintain optimal syngas production despite changes in feedstock, without requiring hardware changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the operator maintains predetermined operating conditions for hydrocarbon production, then product quality is maintained, but operational flexibility is lost when feedstock characteristics change
Solution Approach 1:
The patent implements dynamic control of the hot oxygen jet parameters (temperature, velocity, O2 concentration) that can be adjusted in real-time based on feedstock characteristics. This allows the system to adapt to changing feedstock conditions while maintaining product quality, resolving the contradiction between manufacturing precision and adaptability.
Solution Approach 2:
The invention changes the parameters of the hot oxygen jet (temperature, velocity, oxygen concentration) to accommodate variations in feedstock characteristics. By modifying these parameters dynamically, the system maintains optimal partial oxidation conditions despite feedstock changes, thereby preserving product quality while gaining operational flexibility.
2Manufacturing precision
If the operator discontinues operations or installs costly substitute methodology to accommodate feedstock changes, then product quality is maintained, but productivity and operational efficiency decrease
Solution Approach 1:
The dynamic adjustment capability of the hot oxygen jet parameters enables continuous operation with varying feedstock characteristics. The system can adapt to feedstock changes by modifying jet parameters rather than shutting down or installing alternative equipment, thus maintaining both product quality and operational efficiency.
Solution Approach 2:
By changing the parameters of the hot oxygen jet (temperature, velocity, oxygen concentration) in response to feedstock variations, the system maintains optimal partial oxidation conditions without discontinuing operations. This resolves the contradiction between maintaining product quality and preserving productivity.
3Adaptability or versatility
If the hot oxygen jet parameters are adjusted to accommodate feedstock changes, then operational flexibility is improved, but process control complexity increases
Solution Approach 1:
The patent adjusts parameters of an existing hot oxygen jet system (temperature, velocity, oxygen concentration) rather than adding complex new equipment. This approach improves operational flexibility while minimizing the increase in device complexity, as the adjustments are made within the framework of the existing partial oxidation process.
4Device complexity
If predetermined partial oxidation conditions are used, then process simplicity is maintained, but the system cannot adapt to feedstock variations
Solution Approach 1:
The patent introduces dynamic control of hot oxygen jet parameters into the partial oxidation process, enabling adaptation to feedstock variations while maintaining relative process simplicity. The dynamic adjustments are made through controlled modification of existing jet parameters rather than through complex process changes.
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
Enables continuous operation and efficient production of hydrocarbon products by adapting to feedstock variations, preventing shutdowns and ensuring consistent product quality.
Implementation Method 1
the hot oxygen jet is produced by reaction of oxygen and fuel in a hot oxygen generator at a given stoichiometric ratio (HSR) in the hot oxygen generator and a given temperature of the oxygen that is fed to the hot oxygen generator
Implementation Method 2
partially oxidizing the feedstock in the partial oxidation reactor, using a hot oxygen jet
Data Source
AI summary
Disclosed are methods for accommodating changes in the conditions of partial oxidation of hydrocarbonaceous feedstock by changing characteristics of the hot oxygen used in the partial oxidation.