概括
这项研究使用先进的激光雷达技术在工业炉中实时监测气溶颗粒和水蒸气. 该方法为增强工业过程分析和控制提供了关键的3D配置文件.
科学领域:
- 光学工程是指光学工程.
- 环境监测 环境监测
- 工业过程分析 工业过程分析
背景情况:
- 工业炉需要精确监测烟气成分和颗粒分布,以提高效率和安全性.
- 传统的监控方法往往缺乏实时,高分辨率或在恶劣工业环境中的非侵入性能力.
研究的目的:
- 开发和演示一种基于激光雷达的新技术,用于实时,三维 (3D) 气溶颗粒和水蒸气在全尺寸工业炉中的概况.
- 评估使用宽带超连续激光雷达进行工业过程参数现场测量的可行性.
主要方法:
- 使用宽带超连续激光雷达系统在9米宽的工业炉内实时监控.
- 采用克莱特反转方法,根据背光散射绘制出气溶灭绝概况.
- 在1.251.5μm范围内利用差分吸收光谱绘制水蒸气度图.
- 杆背墙反射用于同时测量水蒸气温度和度.
主要成果:
- 成功地绘制了粗气溶颗粒分布图,其灭绝值在炉内范围为0.040.2 m-1.
- 实现了高达3.9米的3D水蒸气度分析,空间分辨率为30厘米.
- 获得了平均水蒸气温度和度的准确测量,与参考炉读数相对应.
结论:
- 开发的宽带超连续激光雷达技术为工业环境中烟气参数的实时3D分析提供了多功能和有效的工具.
- 这种非侵入性方法为先进的工业过程分析,优化和控制开辟了新的途径.
- 这些发现支持激光雷达技术在各种工业监控场景中的潜在应用.
相关概念视频
01:26Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation
254
Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
254
01:29Atomic Emission Spectroscopy: Lab
199
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
199
01:22Atomic Emission Spectroscopy: Instrumentation
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The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers. Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
527
01:19Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle
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Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
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01:25Atomic Absorption Spectroscopy: Atomization Methods
577
Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a nebulizer and spray chamber assembly to combine the sample with a fuel–oxidant mixture, creating a fine aerosol mist that enters a burner. Typically, the fuel and oxidant are combined in an approximately stoichiometric ratio. However, for atoms that are easily oxidized, a fuel-rich mixture may be more advantageous. Only about 5% of the...
577
01:02Flame Photometry: Overview
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Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a sample using a flame as the source of excitation energy. The concept of flame photometry was realized in the early 1860s by Kirchhoff and Bunsen, who discovered that specific elements emit characteristic radiation when excited in flames. The first instrument developed for this purpose was used to measure sodium (Na) in plant ash using a Bunsen...
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