Blended Fuel Phase Separation Risk Detection Apparatus
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Solution Overview
Problem
Current devices fail to predict phase separation of blended fuels in storage tanks, leading to costly and time-consuming shutdowns and refilling processes, as they only indicate separation after it has occurred, providing no predictive capabilities for gas station owners.
Innovation Solution
A method and apparatus that assess the risk of phase separation by obtaining a fuel sample, cooling it until separation occurs, and measuring fluid properties to determine the risk factor, using a heat transfer device and sensors to monitor phase separation, allowing for proactive measures to prevent or mitigate separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current monitoring devices are used to detect phase separation, then separation can be detected after it occurs, but predictive capability is lost and costly shutdowns are required
Solution Approach 1:
The device performs preliminary cooling of the fuel sample below its cloud point temperature to determine the water content and predict the risk of phase separation before it occurs in the storage tank. This advance detection allows gas station owners to take preventive actions such as draining water or refilling the tank before phase separation happens, avoiding costly shutdowns and fuel waste.
Solution Approach 2:
The patent replaces mechanical/physical sampling and laboratory analysis with an automated electronic system that uses temperature control, electrical conductivity measurement, and microprocessor-based calculation to determine water content and phase separation risk. This substitution enables continuous monitoring and predictive capability.
2Reliability
If fuel is continuously monitored for phase separation, then separation can be detected, but the device complexity increases
Solution Approach 1:
The device extracts only a small sample of fuel from the storage tank for testing, rather than monitoring the entire fuel volume. This sample is cooled in a controlled environment and tested for water content, which predicts the behavior of the bulk fuel. This extraction approach simplifies the monitoring system while maintaining reliability.
Solution Approach 2:
The patent uses electrical conductivity as an intermediary parameter to indirectly measure water content in the fuel sample. Instead of directly measuring water, the system measures conductivity at different temperatures and calculates water content from these measurements, simplifying the overall measurement process.
3Loss of time
If phase separation is detected early, then preventive actions can be taken, but additional testing and equipment are required
Solution Approach 1:
The device combines multiple functions into a single integrated system: fuel sampling, temperature control, electrical conductivity measurement, water content calculation, and risk assessment all occur in one apparatus. This merging reduces the need for separate testing equipment and simplifies the overall process while enabling early detection and preventive action.
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 gas station owners to predict and prevent phase separation, reducing financial losses and environmental hazards by allowing for timely intervention before fuel separation occurs, thereby maintaining fuel quality and customer satisfaction.
Implementation Method 1
a heat transfer device for cooling the sample in the test cavity
Implementation Method 2
cooling it until the sample separates into phases
Data Source
AI summary
A method for improved handling of a blended fuel includes obtaining a sample of the blended fuel from a storage tank; cooling the same until the sample separates into phases; and determining a risk that the fuel in the storage tank will separate based on the cooling step. An apparatus for assessing the risk of phase separation of a blended fuel includes a test cavity for holding a sample of the blended fuel from a storage tank; a heat transfer device for cooling the sample in the test cavity; and at least one sensor for indicating when the sample in the test cavity has separated into phases.