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公开(公告)号：US11407948B2
公开(公告)日：2022-08-09
申请号：US17047707
申请日：2018-12-28
Applicant: Zhejiang University of Technology
Inventor： Yong Nie , Qinglong Xie , Ying Duan , Fan Xia , Meizhen Lu , Shangzhi Yu , Xiaojiang Liang , Jianbing Ji
Abstract: A device for pyrolysis reactions includes a feeding pump, a flow meter, an atomizer, a pyrolysis reactor, electromagnetic coils, an electromagnetic induction heating power, a temperature sensor, a temperature controller, a condenser and a product tank. The feeding pump is connected with the flow meter which is connected to the inlet of the atomizer in the pyrolysis reactor. There is a port at the bottom of the pyrolysis reactor, with the port at the top of the pyrolysis reactor connected with the condenser. The condenser is connected with the product tank. The external wall of the pyrolysis reactor is surrounded by electromagnetic coils which are connected with the electromagnetic induction heating power. The temperature sensor is placed between the pyrolysis reactor and the coils, which is connected with the temperature controller. The contact resistance between the atomized material and the hot surface can be.
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公开(公告)号：US11162040B2
公开(公告)日：2021-11-02
申请号：US16619488
申请日：2018-12-28
Applicant: Zhejiang University of Technology
Inventor： Yong Nie , Fan Xia , Qinglong Xie , Meizhen Lu , Xiaojiang Liang , Yanbin Su , Jianbing Ji
Abstract: The present invention relates to a method for preparing low-sulfur biodiesel. The method includes the following steps: subjecting raw crude oil to heat exchange, preheating, glycerol esterification reaction, flashing, cooling, transesterification, dealcoholization, sedimentation, and methyl ester rectification to obtain low-sulfur biodiesel up to the standard, where in the heat exchange process, the raw crude oil exchanges heat with flashed oil to recycle some heat, and glycerol and fatty acids in a distilled product subjected to flashing are reused for the glycerol esterification reaction; the dealcoholization process removes methanol in a system after the transesterification, and refined methanol recycled by methanol rectification is reused for the transesterification reaction; crude glycerol generated in the sedimentation process does not need to be treated and is directly used for glycerol rectification to obtain refined glycerol, and the refined glycerol is reused for the glycerol esterification reaction.
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