System for synchronously preparing and quantitatively measuring SO3 and method thereof

A measurement system and quantitative measurement technology, applied in chemical instruments and methods, measurement devices, inorganic chemistry, etc., can solve problems such as difficulty, incomplete spectral database, difficult decoupling and separation, etc.

Active Publication Date: 2021-09-07
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In which laser absorption spectroscopy was used to measure SO 3 Very difficult, mainly due to SO 3 The spectral database is incomplete, and SO 3 The measurement environment generally contains SO 2 , the absorption spectra of the two overlap seriously, and it is difficult to decouple and separate when the concentrations of the two are unknown

Method used

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  • System for synchronously preparing and quantitatively measuring SO3 and method thereof

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Embodiment 1

[0037] In view of this, the present embodiment proposes a synchronous preparation and quantitative measurements of SO 3 System, such as specific configuration figure 1 .

[0038] like figure 1 , The present embodiment proposes a synchronous preparing SO3 and quantitative measurement system, comprising: a gas distribution system, the reaction system is measured, absorption cooling system, vacuum system and exhaust gas measurement system;

[0039] Wherein the valve system; including SO 2 Storage tank 1, N 2 Storage tank 2, O 2 3 storage tank and the mixing tank 4; wherein SO 2 Storage tank 1, N 2 Storage tank 2 and O 2 Storage tank 3 are connected to the mixing tank 4 through a delivery conduit 5; embodiment according to the present embodiment, the gas distribution system containing SO 2 N 2 And O 2 SO 2 Storage tank 1, N 2 Storage tank 2 and O 2 Storage tank 3, after controlling the gas while passing through the three-way with PTFE pellets after mixing tank 4 is mixed into the reac...

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PUM

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Abstract

The invention provides a system for synchronously preparing and quantitatively measuring SO3, which comprises a gas distribution system, a reaction measurement system, a cooling absorption system, a tail gas measurement system and a vacuum system, through the design of a catalysis and measurement integrated cavity, the preparation and measurement of SO3 are synchronously carried out, and the adsorption, reaction and morphological change of SO3 are avoided; due to the design of the hollow chamber and the catalytic chamber in the integrated cavity, SO2 / SO3 spectral measurement under two conditions of non-catalysis (initial state) and catalytic oxidation under the same experimental environment (temperature / pressure) is realized.

Description

Technical field [0001] The present invention relates to SO 3 Preparation quantitative measuring apparatus and manufacturing technology, particularly, relates to a synchronous preparation and quantitative measurements of SO 3 system. Background technique [0002] How accurate for SO 3 Quantitative measurement is important for environmental monitoring and so on. Laser absorption spectroscopy study prior art synchronous measurement SO 2 SO 3 , Including laser measuring light path, the high-temperature tube furnace and multiple reflection measuring gas chamber. Test gas (SO 2 / SO 3 ) After multiple reflections into the cavity thereby forming a stable vacuum pulled by the downstream flow, the QCL laser absorption spectroscopy measurement gas, a computer processing the signal data to obtain the absorption spectrum and the physical parameters of the gas (Hieta T, MerimaaM.Simultaneous detection of SO 2 SO 3 and H 2 O using QCL spectrometer forcombustion applications [J] .Applied Physic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B17/74G01D21/02G01N21/3504
CPCC01B17/74G01N21/3504G01D21/02
Inventor 彭志敏李济东丁艳军
Owner TSINGHUA UNIV
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