Cyclone-Integrated Laser Gas Analyzer for Particulate Interference
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Solution Overview
Problem
Conventional gas component measuring devices require a separate step to remove particulate matter from the subject gas, leading to prolonged measurement times due to potential laser light obstruction and reduced accuracy.
Innovation Solution
Incorporating a cyclone with a gas inlet and a laser gas analyzer within the cyclone to measure gas components, including particulate matter, while using displacing devices like hollow pipes to reduce particulate matter interference and centrifugal separation to focus measurements on low-particulate areas, allowing for quick and accurate component analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If particulate matter is removed from the subject gas using a cyclone before measurement, then measurement accuracy is improved, but measurement time is prolonged
Solution Approach 1:
The patent combines the cyclone separator and laser gas analyzer into a single integrated device where the laser beam passes through the cyclone's central region. This merging eliminates the need for separate pre-filtration steps while maintaining measurement accuracy by utilizing the natural centrifugal separation occurring within the cyclone structure.
Solution Approach 2:
The patent utilizes the local quality difference within the cyclone by positioning the laser beam path specifically through the central region where particulate matter concentration is lowest. This allows measurement to proceed without requiring complete removal of particulates, thus reducing measurement time while maintaining sufficient accuracy.
2Reliability
If a separate particulate matter removal step is performed before gas component measurement, then measurement reliability is improved, but device complexity increases
Solution Approach 1:
The patent merges the particulate matter separation function and gas component measurement function into a single integrated device. The cyclone separator and laser gas analyzer share the same housing and operational space, eliminating the need for separate equipment and reducing overall system complexity.
Solution Approach 2:
The integrated device performs multiple functions simultaneously: it separates particulate matter using centrifugal force while concurrently measuring gas components through the laser absorption method. This multi-functionality reduces the number of separate devices needed and simplifies the overall measurement system.
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 rapid and accurate measurement of gas components by minimizing particulate matter interference, eliminating the need for pre-filtering and simplifying the measurement process, thus reducing overall measurement time and equipment complexity.
Implementation Method 1
a cyclone that has a gas inlet; and a laser gas analyzer configured to take, in the cyclone, a measurement of a component of a subject gas that contains particulate matter and is introduced into the cyclone through the gas inlet
Implementation Method 2
a device is available that emits the laser light from a light emitting portion to a light receiving portion, and detects at the light receiving portion which wave length of light is attenuated by the subject gas between the light emitting portion and the light receiving portion
Data Source
AI summary
A gas component measuring device includes: a cyclone including a gas inlet; and a laser gas analyzer configured to take, in the cyclone, a measurement of a component of a subject gas that contains particulate matter and is introduced into the cyclone through the gas inlet.