Two-material co-pyrolysis heterogeneous reaction device

Abstract

The invention discloses a two-material co-pyrolysis heterogeneous reaction device, and belongs to the field of design of biomass pyrolysis device. The device includes a reaction container, a seal cover, a stainless steel multi-mesh screen, a short standpipe, a long standpipe and the like; two different materials are put into the reaction container successively, the two materials can be separated by the stainless steel multi-mesh screen, the material firstly put through the short standpipe falls onto the stainless steel multi-mesh screen and undergoes a pyrolysis reaction, and volatile gas generated from the reaction is completely vented; then the other material is put into a reaction space below the stainless steel multi-mesh screen through the long standpipe and undergoes a pyrolysis reaction, generated volatile gas makes full contact with semi coke remaining in the experimental device after reaction of the firstly-put material, and the volatile gas and the semi coke can undergo a heterogeneous reaction. The experimental device is simple in structure and easy to process, and is used for conveniently studying the heterogeneous reaction between different pyrolysis products.

Description

technical field [0001] The invention relates to a pyrolysis device for heterogeneous reaction during co-pyrolysis of biomass materials, in particular to a device for co-pyrolysis and heterogeneous reaction of two materials. Background technique [0002] Biomass, as a renewable energy source, has a wide range of sources and has the prospect of replacing fossil fuels. Biomass rapid pyrolysis technology to produce bio-oil has attracted wide attention from all walks of life due to its advantages of short cycle, low cost and high efficiency. There are many domestic and foreign studies on the individual pyrolysis of various biomass, and most of the research on mixed pyrolysis is still in the exploratory stage, and many studies are carried out on whether there is synergy between the two materials during co-pyrolysis. The synergistic effect refers to the co-pyrolysis of two or more components when they are mixed, and the overall product is greater than the linear superposition sum ...

AI Technical Summary

Problems solved by technology

At this stage, the experiment to study the synergistic mechanism of the two materials in the co-pyrolysis process is to directly mix the two materials for pyrolysis, and use GC-MS, HPLC, infrared spectroscopy and other means to speculate on the thermal properties of the products. However, it is not possible to infer whether the co-pyrolysis synergistic mechanism is homogeneous or heterogeneous. The reaction process and reaction products of real-time thermal volatiles and semi-coke are not clear, and it is not possible to study the synergistic mechanism. Which component occurs between provides an experimental basis

Images