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    TOOLING AND METHOD FOR FLEXIBLE THROUGH CONNECTION BETWEEN DOUBLE LINERS OF WATER HEATER
    11.
    发明公开
    TOOLING AND METHOD FOR FLEXIBLE THROUGH CONNECTION BETWEEN DOUBLE LINERS OF WATER HEATER 审中-公开

    公开(公告)号：US20230358442A1

    公开(公告)日：2023-11-09

    申请号：US18354871

    申请日：2023-07-19

    申请人： Qingdao University of Technology

    发明人： Sen LIANG ,  Ruijun SUN ,  Qinglun CHE ,  Long WU

    IPC分类号： F24H9/14 ,  F24H9/00 ,  F24H1/18

    CPC分类号： F24H9/14 ,  F24H9/0005 ,  F24H1/181

    摘要： A tooling and method for flexible through connection of a double-liner water heater. The tooling includes a transition shaft, a tooling connecting plate and a fastening screw. The method includes: allowing a shaft head of the transition shaft to be in fit with an inner surface of an outer flange of a lower liner for welding; allowing an end hole to be in fit with an outer surface of an inner flange of an upper liner for welding; after welding seams are cooled, removing the tooling, and enameling the upper and liners; forming through-flexible connection between the inner and outer flanges; and firmly fitting the upper and lower liners together with two steel strips to ensure that a gap between the upper and lower liners is not greater than 7 mm.

    Multi-station adaptive walnut shell pre-breaking system
    13.
    发明授权
    Multi-station adaptive walnut shell pre-breaking system 有权

    公开(公告)号：US11771126B2

    公开(公告)日：2023-10-03

    申请号：US16959607

    申请日：2019-10-29

    申请人： QINGDAO UNIVERSITY OF TECHNOLOGY ,  XINJIANG JIANG NING LIGHT INDUSTRIAL MACHINERY ENGINEERING TECHNOLOGY CO., LTD.

    发明人： Changhe Li ,  Mingcun Shi ,  Yiping Feng ,  Yitian Feng ,  Zhenming Jia ,  Leilei Zhao ,  Rong Wang ,  Yucheng Wang ,  Yanbin Zhang ,  Ji Che ,  Runze Li ,  Cai Wang ,  Min Yang ,  Yali Hou

    IPC分类号： A23N5/00 ,  B07B1/15

    CPC分类号： A23N5/00 ,  B07B1/15

    摘要： The present invention discloses a multi-station adaptive walnut shell pre-breaking system, comprising a feeding device and a shell pre-breaking device. The feeding device comprises a feeding box, a single-helix twister and a double-helix twister are disposed in the feeding box, the single-helix twister and the double-helix twister rotate in opposite directions, and an adjustable spring partition is disposed below the single-helix twister and the double-helix twister; the shell pre-breaking device comprises a shell pre-breaking box, a plurality of squeezing stations are provided in the shell pre-breaking box, each of the squeezing stations is provided with a shell pre-breaking assembly, the shell pre-breaking assembly comprises a falling U-shaped plate and a squeezing U-shaped plate, a first end of the falling U-shaped plate is hinged to the shell pre-breaking box, a second end of the falling U-shaped plate is pushed to move by a falling cam, the end of the squeezing U-shaped plate opposite to the first end of the falling U-shaped plate is pushed to move by a squeezing cam, the end of the squeezing U-shaped plate opposite to the second end of the falling U-shaped plate is hinged to the shell pre-breaking box, the squeezing cam is in an outer dwell state when the falling cam moves, and the falling cam is in an outer dwell state when the squeezing cam moves.

    Method of in-situ remediation of arsenic-contaminated soil
    16.
    发明授权
    Method of in-situ remediation of arsenic-contaminated soil 有权

    公开(公告)号：US11738380B2

    公开(公告)日：2023-08-29

    申请号：US16737871

    申请日：2020-01-08

    申请人： Qingdao University of Technology

    发明人： Huawei Wang ,  Zijuan Lv ,  Yanan Wang ,  Yingjie Sun

    IPC分类号： C12N1/20 ,  B09C1/10 ,  C12P3/00

    CPC分类号： B09C1/10 ,  C12N1/20 ,  C12P3/00 ,  B09C2101/00

    摘要： This invention relates to a method of in-situ remediation of arsenic-contaminated soil, comprising the following steps: inoculating a bacterial strain, Pseudomonas putida MnB1 in a culture medium where an addition amount of the bacterial strain accounts for 2-10% (v/v) of the culture medium; shaking the culture medium with the bacterial strain at a rotation speed of 100-180 rpm at 15-35° C. for 1-5 days under an aerobic condition, thereby yielding an enriched bacterial strain; and adding manganese carbonate, ammonium ferrous sulfate, sodium citrate, a yeast extract and the enriched bacterial strain to arsenic contaminated soil; adding water to the soil until the soil has a moisture content of 50-70%, stirring the soil for 5-30 minutes, and culturing the bacterial strain in the soil under an aerobic/microaerobic condition at 10-40° C. for 2-6 weeks.