Siloxane Trap and Blower Layout for Intake Pressure Drop
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Solution Overview
Problem
Siloxanes in intake air can lead to severe performance degradation in internal combustion engines by producing silicates that adhere to engine components and cause increased backpressure, requiring frequent servicing in environments with high airborne siloxane concentrations.
Innovation Solution
A siloxane mitigation system with a siloxane trap, air precleaner, and blower is used to trap siloxanes in adsorbent cartridges, preclean intake air, and compensate for pressure drops, while a trap performance sensor monitors silicate accumulation and alerts operators for servicing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a siloxane trap with adsorbent cartridges is installed in the intake conduit to remove siloxanes, then siloxane removal effectiveness is improved, but intake air pressure drop increases
Solution Approach 1:
The air precleaner is positioned upstream of the siloxane trap to remove larger particles and contaminants before the air enters the adsorbent cartridges. This preliminary cleaning action protects the siloxane adsorbent media from contamination by heavy particles, maintaining its effectiveness and reducing pressure drop across the trap over time.
Solution Approach 2:
The blower acts as an intermediary device positioned upstream of the siloxane trap to actively compensate for the pressure drop caused by the adsorbent cartridges. By providing additional pressure to push air through the trap, the blower maintains adequate airflow to the engine while the siloxane removal function remains effective.
2Object-affected harmful factors
If the siloxane trap is positioned in the intake conduit to trap siloxanes, then siloxane contamination is reduced, but airflow restriction increases
Solution Approach 1:
The air precleaner performs preliminary cleaning of intake air by removing heavier particles before the air reaches the siloxane trap. This prevents contamination of the adsorbent media and maintains airflow characteristics, reducing long-term airflow restriction while preserving siloxane trapping effectiveness.
Solution Approach 2:
The blower serves as an intermediary that actively manages airflow through the siloxane trap by compensating for pressure drops. This ensures sufficient airflow reaches the engine while the siloxane trap maintains its contaminant removal function, resolving the conflict between filtration effectiveness and airflow productivity.
3Object-affected harmful factors
If adsorbent cartridges are used to trap siloxanes, then siloxane removal efficiency is improved, but pressure drop across the trap increases
Solution Approach 1:
The air precleaner is positioned upstream to remove heavier particles and contaminants before air enters the adsorbent cartridges. This preliminary action protects the siloxane adsorbent media from contamination, maintaining its high removal efficiency while preventing excessive pressure drop that would occur if the media became clogged with heavy particles.
Solution Approach 2:
The blower acts as an intermediary device that compensates for the pressure drop across the adsorbent cartridges by providing additional pressure upstream of the trap. This allows the cartridges to maintain their siloxane removal efficiency while the blower ensures adequate pressure is maintained to drive airflow through the trap at required rates.
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 siloxane-related performance issues by maintaining airflow and preventing component plugging, ensuring efficient engine operation and reducing servicing frequency.
Implementation Method 1
a plurality of adsorbent cartridges positioned fluidly in parallel with one another in the trap housing and producing an intake air pressure drop from a trap housing inlet to a trap housing outlet
Implementation Method 2
The blower is positioned upstream of the siloxane trap and structured to blow intake air through the intake conduit to compensate for the intake pressure drop from the trap housing inlet to the trap housing outlet
Data Source
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AI summary
A siloxane mitigation system (30) for a machine system (10) having an internal combustion engine (25) includes a siloxane trap (32) having a plurality of adsorbent cartridges (36) fluidly in parallel with one another, an air precleaner (38) fluidly connected to a trap housing inlet (46), and a blower (40) structured to blow intake air to the siloxane trap (32) to compensate for a pressure drop across the siloxane trap (32). A trap performance sensor (66) of the siloxane mitigation system (30) is structured for monitoring an exhaust pressure to indicate performance degradation of the siloxane mitigation system (30) and activate an operator-perceptible alert.