Modified Sparger Duct Layout for Even Hydrocarbon Gas Scrubbing
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Solution Overview
Problem
Existing scrubbing systems face issues with gas backpressure and uneven gas distribution, leading to incomplete scrubbing of waste gases like hydrogen sulfide, especially in high-flow situations, due to the discharge of gases primarily from the inlet end of the sparger pipe before reaching the scrubbing solution.
Innovation Solution
A scrubber device with a manifold and sparger ducts that are partially submerged, featuring a head space above the operating level of the scrubbing solution, ensuring balanced gas pressure and even distribution through discharge openings along the sparger ducts, combined with baffles to minimize turbulence and enhance gas-solution contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the sparger pipe is fully submerged in the scrubbing solution, then gas discharge into the solution is maximized, but excessive back pressure causes uneven gas distribution with preferential discharge from the inlet end
Solution Approach 1:
The sparger pipe is segmented into multiple sections along its length, with each section having discharge openings. This segmentation allows gas to be introduced at multiple locations along the pipe, distributing the pressure load and enabling more uniform gas discharge along the entire length of the sparger pipe, thereby resolving the back pressure issue while maintaining effective gas-solution contact
Solution Approach 2:
The invention transitions from a single-point gas introduction to a distributed multi-point gas introduction system along the sparger pipe length. By adding the dimensional aspect of longitudinal distribution of discharge openings, the system achieves uniform gas pressure and discharge distribution while maintaining full submersion for effective scrubbing
2Productivity
If the sparger pipe discharges gas at high flow rates, then gas stream processing capacity is increased, but gas escapes the scrubbing solution depth before being absorbed
Solution Approach 1:
The sparger pipe is divided into multiple segments with discharge openings distributed along its length. This segmentation allows the high flow rate gas stream to be processed in distributed increments along the pipe length, ensuring that gas is introduced gradually and absorbed effectively at each discharge point, preventing gas escape while maintaining high processing capacity
Solution Approach 2:
The continuous submersion of the segmented sparger pipe ensures continuous gas absorption action throughout the entire pipe length. Gas is continuously introduced and absorbed along the full length of the sparger pipe, maintaining uninterrupted scrubbing action that ensures complete gas absorption even at high flow 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 solution ensures more effective scrubbing of waste gases by maintaining balanced gas pressure and even distribution, resulting in improved gas-solution contact and enhanced removal efficiency of gases like hydrogen sulfide.
Implementation Method 1
a scrubber device for scrubbing a waste gas from a gas stream using a liquid scrubbing solution
Data Source
AI summary
A gas scrubber device includes a liquid collection tank for separating a gas stream from produced hydrocarbon fluids and a scrubber for scrubbing a waste gas from the gas stream. The gas stream exits the tank into a manifold connected to sparger ducts having discharge openings below an operating level of scrubbing solution in the scrubber in which the sparger ducts and the manifold a situated at least partly above the operating level to define a head space along a length of the duct where gas pressure is balanced along the length of the sparger duct to discharge gas into the scrubbing solution more evenly. A drain line between the scrubbing chamber and the liquid collection tank allows the scrubbing solution to be periodically drained into the tank with the collected liquids when the line is selectively opened.