Device and method for continuous CO

    公开(公告)号:US12121854B2

    公开(公告)日:2024-10-22

    申请号:US18575341

    申请日:2021-12-17

    摘要: A device and a method for continuous CO2 capture by a double-bed hydrate process are provided. The device includes a first fixed-bed hydrate reactor, a second fixed-bed hydrate reactor, a solution circulation system, a gas inlet system and an exhaust system; the first fixed-bed hydrate reactor and the second fixed-bed hydrate reactor are respectively connected in series with the gas inlet system, the exhaust system and the solution circulation system, and are connected in parallel; the refrigerant fluid and the heat medium fluid output by a compression-refrigeration system alternately flow into a heat exchange coil of the first fixed-bed hydrate reactor and a heat exchange coil of the second fixed-bed hydrate reactor, and the two fixed-bed hydrate reactors are alternately subjected to hydrate formation and decomposition reactions to realize continuous CO2 capture and separation.

    DEVICE AND METHOD FOR SIMULATING LAYERED STRATUM CONTAINING NATURAL GAS HYDRATES

    公开(公告)号:US20220301457A1

    公开(公告)日:2022-09-22

    申请号:US17255991

    申请日:2020-09-08

    IPC分类号: G09B23/40

    摘要: A device and a method for simulating layered stratum containing natural gas hydrates are provided. The device includes a reactor; wherein the reactor includes an upper cover, a lower cover, and a reactor body, wherein the upper cover and the lower cover are sealably attached to two ends of the reactor body to form a closed chamber; an overlying pressure layer, a superstratum layer, a hydrate layer and a substratum layer are sequentially formed throughout inside of the closed chamber from the upper cover to the lower cover, wherein each layer is respectively filled with different kinds of porous media and fluids and the each layer is provided with a stratal-fluid annular container; each stratal-fluid annular container has an outer periphery contacting an inner surface of the reactor body. The method is conducted using the device.

    IN-SITU HYDRAULIC JET EXPLOITING DEVICE AND METHOD OF LOW-PERMEABILITY NATURAL GAS HYDRATE RESERVOIR

    公开(公告)号:US20210404296A1

    公开(公告)日:2021-12-30

    申请号:US16648261

    申请日:2019-11-19

    IPC分类号: E21B41/00 E21B43/26

    摘要: An in-situ hydraulic jet exploiting device and method of a low-permeability natural gas hydrate reservoir. The device includes a high-pressure reaction kettle configured for formation, fracturing and exploiting of a hydrate, a stable-pressure gas supply module configured to adjust and control a gas flow rate, a constant-speed constant-pressure liquid supply module configured to control a liquid flow rate or keep liquid injection pressure constant, a thermostatic water bath configured to provide a constant-temperature environment for a device system, a back-pressure module configured to automatically control an exploiting rate or exploiting pressure, an in-situ hydraulic jet permeability enhancement module, a data collection and processing module configured to collect and process basic system parameters, and a pipeline connecting various components.