公开(公告)号：US20230236093A1

公开(公告)日：2023-07-27

申请号：US18001249

申请日：2021-06-07

申请人： NUCTECH COMPANY LIMITED ,  TSINGHUA UNIVERSITY

发明人： Qingjun ZHANG ,  Yuanjing LI ,  Zhiqiang CHEN ,  Jianmin LI ,  Weiping ZHU ,  Ge LI ,  Nei YANG ,  Biao CAO ,  Wei WANG ,  Xiulin NI ,  Shengxi LIU ,  Zheng LIANG

IPC分类号： G01N1/22 ,  G01N1/24 ,  G01N30/20 ,  B25J9/16

CPC分类号： G01N1/2211 ,  G01N1/24 ,  G01N30/20 ,  B25J9/1697 ,  G01N2030/201 ,  G01N30/7206

摘要： Provided are an odor sniffing device (11) and a vehicle-mounted security inspection apparatus for a container (1). The odor sniffing device (11) includes a primary sampling front end (116), which has a vent adapter (116-1) having a shape matching with a vent of the ventilator of the container, so that when the primary sampling front end (116) fits with the ventilator, the vent adapter (116-1) and the vent generally cooperate to achieve fluid communication. The vehicle-mounted security inspection apparatus (1) may perform imaging inspection and chemical inspection simultaneously.

公开(公告)号：US20200209192A1

公开(公告)日：2020-07-02

申请号：US16727612

申请日：2019-12-26

申请人： NUCTECH COMPANY LIMITED ,  Tsinghua University

发明人： Qingjun ZHANG ,  Yuanjing LI ,  Zhiqiang CHEN ,  Jianmin LI ,  Yaohong LIU ,  Weiping ZHU ,  Qiufeng MA ,  Biao CAO ,  Ge LI ,  Wei WANG ,  Lili YAN ,  Guangqin LI

IPC分类号： G01N27/62 ,  H01J49/04

摘要： Embodiments of the present disclosure provide an ion mobility spectrometer device. The ion mobility spectrometer device includes: an ion mobility tube, a sampling device, and a sampling and circulating gas path. The sampling device includes a solid sample desorption device and a gas sampling device. The solid sample desorption device is configured to process the solid sample into a first mixed gas containing the solid sample, and the gas sampling device is configured to process the gas sample into a second mixed gas containing the gas sample. The sampling and circulating gas path is configured to transfer the first mixed gas and/or the second mixed gas into the ion mobility tube for detection.

公开(公告)号：US20200150086A1

公开(公告)日：2020-05-14

申请号：US16627434

申请日：2019-01-25

申请人： TSINGHUA UNIVERSITY ,  Nuctech Company Limited

发明人： Qingjun ZHANG ,  Yuanjing LI ,  Zhiqiang CHEN ,  Ziran ZHAO ,  Yinong LIU ,  Yaohong LIU ,  Honghui XIN ,  Biao CAO ,  Nan BAI ,  Wei WANG ,  Qiufeng MA

IPC分类号： G01N27/62 ,  G01N33/00

摘要： A gas path flow monitoring apparatus for an ion mobility spectrometer includes: an ion migration tube, a sensor group, and monitoring device. The ion migration tube has a drift gas inlet, a carrier gas inlet for a sample gas, and an exhaust outlet. The sensor group comprises a drift gas intake quantity sensor connected to the drift gas inlet, a carrier gas intake quantity sensor connected to the carrier gas inlet, and an exhaust quantity sensor connected to the exhaust outlet. The monitoring device is connected to the sensor group to monitor a drift gas intake quantity sensed by the drift gas intake quantity sensor, a carrier gas intake quantity sensed by the carrier gas intake quantity sensor, and an exhaust quantity sensed by the exhaust quantity sensor.

公开(公告)号：US20180002173A1

公开(公告)日：2018-01-04

申请号：US15625738

申请日：2017-06-16

申请人： Tsinghua University

发明人： Wei WANG ,  Xiuning HUA ,  Zhou XIA

IPC分类号： C01B3/10 ,  B01J8/06

摘要： A pilot plant for chemical looping hydrogen generation using a single-column packed bed and hydrogen generation method. The plant has a feeding system, reaction system, tail gas treatment and analysis system, and auxiliary system. The reaction system has a packed bed reactor, inside which a thermal storage layer, oxygen carrier layer and supporting layer are arranged successively from top to bottom. The feeding system has a delivery pipe, metering pump, mass flow controller and fuel mixer. The tail gas treatment and analysis system has a cooler, gas-liquid separator, mass flow meter, gas analyzer and tail gas pipe. The packed bed reactor is subjected to fuel reduction, purge, steam oxidation, purge, air combustion and purge stages successively under control of the feeding system. The pilot plant enables evaluation for oxygen carriers and identification for technological difficulties and can generate high-purity hydrogen without using complex gas purification devices.

公开(公告)号：US20180002174A1

公开(公告)日：2018-01-04

申请号：US15633076

申请日：2017-06-26

申请人： Tsinghua University

发明人： Wei WANG ,  Xiuning HUA ,  Zhou XIA

IPC分类号： C01B3/24 ,  B01J8/02 ,  B01D3/06 ,  B01J6/00 ,  F28F17/00 ,  C10J3/00

CPC分类号： C01B3/24 ,  B01D3/06 ,  B01J6/001 ,  B01J8/0292 ,  C01B3/36 ,  C10J3/005 ,  F22B1/18 ,  F28F17/005 ,  Y02E50/14 ,  Y02P20/124 ,  Y02P20/129

摘要： The present invention discloses a device and method for generating high-purity hydrogen by biomass pyrolysis-chemical looping combustion. The device comprises a biomass pyrolysis unit, a chemical looping hydrogen generation unit and a waste heat recovery unit; the biomass pyrolysis unit comprises a vertical bin, a screw feeder, a rotary kiln pyrolysis reactor and a high temperature filter; the chemical looping hydrogen generation unit comprises a path switching system of intake gas end, at least one packed bed reactor and a path switching system of tail gas end, wherein the packed bed reactor is composed of three parallel packed bed reactors I, II and III, which are continuously subjected to fuel reduction-steam oxidation-air combustion stages (steam purging stage) successively; the waste heat recovery unit comprises a waste heat boiler, a cooler and a gas-liquid separator. According to the present invention, a process flow of generating hydrogen from biomass is short, high-purity hydrogen can be obtained by simple condensation and water removal of a hydrogen-containing product that is generated after entrance of a pyrolysis gas into the chemical looping hydrogen generation unit, no complex gas purification device is employed, and the costs for hydrogen generation are low.