Magnetic field enhanced biomass thermal conversion utilization method and device
A magnetic field enhancement, biomass technology, applied in chemical instruments and methods, chemical/physical/physical-chemical processes, biofuels, etc., can solve the problems of cumbersome operation, high energy consumption, complex equipment, etc. Conversion rate, the effect of reducing energy consumption
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Embodiment 1
[0024] Embodiment 1: as figure 1 As shown, a magnetic field enhanced biomass heat conversion utilization device, it includes a cylindrical quartz tube 3, the top of the quartz tube 3 is provided with a plug, which can accommodate the high temperature heating device 4 of the quartz tube 3, outside the high temperature heating device 4 A plate-shaped permanent magnet 8 and a permanent magnet spacing adjustment device-rotary handle 9 are provided. The plate-shaped permanent magnet 8 is symmetrically arranged on both sides of the high-temperature heating device 4 and arranged in parallel. Below the quartz tube 3, a first Tar bottle 15, the first tar bottle 15 is communicated with the second tar bottle 16 through the connecting pipeline at the top, the first tar bottle 15 and the second tar bottle 16 are all placed in the cold water tank 14, and the top of the second tar bottle 16 passes through The communication pipeline communicates with the drying bottle 12 , and the top of the ...
Embodiment 2
[0037] Embodiment 2: The similarities between this embodiment and Embodiment 1 will not be repeated, and the difference is that this embodiment is a comparative example of Embodiment 1 without adding a magnetic field.
[0038] Through the experiment, the following experimental results can be obtained: the content of pyrolysis gas is as follows: H 2 : 38.00%, CH 4 : 15.00%:, CO: 27.70%, CO 2 : 7.20%.
[0039] The content of aromatic hydrocarbons in bio-oil is 55.24%, and the content of oxygen-containing phenols and ketones is 44.75%.
[0040] Compare with embodiment 1 and can obtain following table 1:
[0041] Table 1. Changes in product gas and bio-oil composition content
[0042]
[0043] Note: gas unit: volume fraction; oil unit: relative mass fraction (all units in this patent are)
[0044] The calorific value of the product gas can be calculated through the above experiments and the data in Table 1. At 20 and 35 mT, the calorific value of the product gas increases ...
Embodiment 3
[0045] Embodiment 3: The similarities between this embodiment and Embodiment 1 will not be repeated. The difference is that no catalyst is added in this embodiment, the reaction temperature is 700° C., and the magnetic field strength is set at 20 mT and 200 mT.
[0046] The experimental results are analyzed as follows:
[0047] At 700°C and the magnetic field strength is 20mT, the content and composition of each pyrolysis gas are as follows: H 2 : 13.00%, CH 4 :20.10%, CO:43.12%, CO 2 : 13.14%; aromatic hydrocarbon bio-oil: 32.02%; phenolic and ketone bio-oil: 44.50%; other bio-oil: 23.48%;
[0048] At 700°C and the magnetic field strength is 200mT, the content and composition of each pyrolysis gas are as follows: H 2 : 15.03%, CH 4 :17.03%, CO:52.03%, CO 2 : 15.03%; aromatic hydrocarbon bio-oil: 48.03%, phenolic and ketone bio-oil: 48.65%, other bio-oil: 3.32%;
[0049] It can be seen that the CH in the pyrolysis gas 4 , CO content increased significantly, so the addit...
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