Device and method for monitoring hydrothermal liquidation process by using quartz tube together with Raman spectrometer
A Raman spectrometer, hydrothermal liquefaction technology, applied in Raman scattering, material excitation analysis, etc., can solve the problem of inability to observe internal changes, and achieve the effect of ensuring safety and protecting equipment
Inactive Publication Date: 2019-03-15
JIANGSU UNIV
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[0005] Aiming at the deficiency that the traditional stainless steel reactor cannot observe its internal changes, this invention proposes an experimental device for studying the hydrothermal liquefaction process with a transparent quartz tube combined with a Raman spectrometer, which provides an accurate reference for the optimization of subsequent liquefaction conditions
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[0032] The present invention will be further described below in conjunction with the accompanying drawings.
[0033] combined with figure 1 , an experimental device for studying the hydrothermal liquefaction process with a transparent quartz tube combined with a Raman spectrometer, including a polarizing microscope 3 with an objective lens, a confocal Raman spectrometer 2, and a digital camera 1 for shooting video is placed above the Raman spectrometer 2, And communicate with the optical path of the Raman spectrometer 2 and the polarizing microscope 3; the constant temperature heating furnace 7 is located directly below the polarizing microscope 3, and controls the distance between the objective lens and the transparent quartz tube 5 by adjusting the movable support 8 and the polarizing microscope 3; the quartz tube 5 In the groove of the constant temperature heating furnace 7, the heat insulating material asbestos 4 covers the top of the constant temperature heating furnace 7...
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Abstract
The invention discloses a device and method for monitoring a hydrothermal liquidation process by using a quartz tube together with a Raman spectrometer and relates to the field of renewable biomass energy utilization. The device comprises a polarizing microscope with an objective lens, and a confocal Raman spectrometer, wherein a digital camera for taking images is arranged above the Raman spectrometer; light paths of the digital camera, the Raman spectrometer and the polarizing microscope are communicated; a constant-temperature heating furnace is positioned right below the polarizing microscope; the quartz tube is placed inside a groove of the constant-temperature heating furnace; a circulation cooling device is mounted at the bottom of the constant-temperature heating furnace; a computer is connected with the confocal Raman spectrometer and the digital camera. By adopting the device, the visibility of the hydrothermal liquidation process is achieved, temperatures and times of generation of main products and the intense degree of the whole reaction process can be visibly understood through taken videos, the device has an instruction significance for study on reaction mechanisms,a base is made for later optimization of hydrothermal production of bio-oil, and wide application prospects can be achieved.
Description
technical field [0001] The invention belongs to the field of biomass renewable energy utilization, and relates to an experimental device for studying the hydrothermal liquefaction of biomass to produce bio-oil by using a visualized method, in particular to an experimental device for studying the hydrothermal liquefaction process of a transparent quartz tube combined with a Raman spectrometer . Background technique [0002] In order to solve the fossil energy crisis and a series of environmental problems brought about by it, our country has launched research on biomass energy. Biomass energy, as the most promising clean and renewable energy, has the advantages of wide source, renewable and abundant output. Therefore, how to develop and utilize biomass energy more efficiently has become a difficult problem that scholars around the world pay close attention to. [0003] Among the thermochemical conversion technologies of biomass, thermal cracking and hydrothermal liquefaction...
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IPC IPC(8): G01N21/65
CPCG01N21/65
Inventor 何志霞陈海涛张波冯欢王斌
Owner JIANGSU UNIV