Distillation Probe Baffle Assembly for Hydrocarbon Sample Conditioning
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Solution Overview
Problem
In refineries and chemical plants, existing systems fail to effectively separate liquids from gases in hydrocarbon fluid samples, leading to contamination and inaccurate analytical results due to the presence of contaminants like water and heavy hydrocarbons in the fluid streams.
Innovation Solution
The development of distillation probes and fluid sampling systems that utilize a baffle assembly with cooling conduits to cool and separate contaminants from gases, ensuring the gas samples are conditioned for accurate analysis by removing liquids and contaminants before reaching analytical instrumentation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing sampling systems are used without effective separation mechanisms, then the system complexity is low, but the measurement precision deteriorates due to contamination from liquids and heavy hydrocarbons in gas samples
Solution Approach 1:
The separation system is divided into multiple functional segments: a condensation section with cooling conduits for temperature reduction, a separation section with baffle assemblies for liquid-gas separation, and a drying section with desiccant material for moisture removal. Each segment performs a specific function in the sample conditioning process, enabling effective contamination removal while maintaining manageable system complexity through modular functional division.
Solution Approach 2:
A desiccant material is introduced as an intermediary substance between the gas sample and the analytical instrumentation. This intermediary absorbs residual moisture and contaminants from the gas stream, providing an additional layer of purification that ensures accurate analytical results without requiring direct contact between the contaminated sample and sensitive instrumentation.
2Reliability
If cooling is applied to condense contaminants from gas samples, then the separation effectiveness improves, but the energy consumption increases
Solution Approach 1:
Cooling conduits are positioned locally within the probe assembly to provide targeted condensation at specific zones where liquid-gas separation is needed. The cooling is applied locally rather than to the entire system, enabling effective contaminant condensation and separation while minimizing overall energy consumption by restricting cooling to only the necessary regions.
Solution Approach 2:
The system utilizes phase transition of contaminants from gas to liquid state through controlled cooling. By reducing the temperature of the sample stream in the condensation section, heavy hydrocarbons and water vapor condense into liquid form, which then separates from the gas phase in the baffle assembly, achieving reliable separation through this natural phase change process.
3Measurement precision
If multiple separation mechanisms are combined in the probe, then the purification quality improves, but the device complexity increases
Solution Approach 1:
Multiple separation mechanisms are merged into a single integrated probe assembly: cooling conduits for condensation, baffle assemblies for liquid-gas separation, and desiccant material for drying are all combined within one probe structure. This merging enables comprehensive purification with multiple contamination removal mechanisms while maintaining a compact, unified device that can be easily installed in sampling lines.
Solution Approach 2:
The probe assembly is designed as a universal multi-functional device that simultaneously performs sampling, cooling/condensation, liquid-gas separation, and drying functions. This multi-functionality allows a single probe to handle complete sample conditioning from raw contaminated stream to purified gas ready for analysis, improving sample purity without requiring multiple separate devices.
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 separates contaminants from gas samples, preventing equipment damage and ensuring accurate analytical results by cooling the fluid samples and using a baffle assembly to facilitate the phase change of contaminants into liquids, which are then removed, leaving a clean gas for analysis.
Implementation Method 1
The cooling conduits are configured to cool the conduit and the baffles... phase change of contaminants into liquids
Implementation Method 2
a baffle assembly disposed in the conduit... effectively separate liquids from gases in hydrocarbon fluid samples
Data Source
AI summary
A distillation probe includes a conduit having a central axis. In addition, the distillation probe includes a baffle assembly disposed in the conduit. The baffle assembly includes a plurality of axially-spaced baffles positioned one-above-the-other in a stack within the conduit. Each baffle has a central axis and a radially outer surface. Each baffle includes a first recess disposed along the radially outer surface of the baffle and extending axially through the baffle. Further, each baffle includes a plurality of cooling conduits mounted to the conduit and positioned radially adjacent the conduit. The cooling conduits are configured to cool the conduit and the baffles.