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1. 发明申请

WO2023091023A1 TOOL FOR SAND REMOVAL FROM BIOGAS REACTORS AND OTHER EQUIPMENT 审中-公开
公开(公告)号：WO2023091023A1
公开(公告)日：2023-05-25
申请号：PCT/NO2022/050262
申请日：2022-11-15
申请人： SANDCATCH SOLUTIONS AS
发明人： HUSVEG, Trygve
IPC分类号： B08B9/093 , B08B9/08 , B08B3/02 , B01D21/24 , B01J19/26
摘要： Tool (1) for sand removal from biogas reactors (2) and other containments, feasible for sand removal while the biogas reactor or other containment is in operation at elevated pressure and temperature. The tool is distinguished in that it comprises: a number of nozzles (3) fluidly coupled to a high pressure liquid source for high pressure liquid injection, in operation directed at volumes (4) with solid, semi solid or soft sand, wherein high-pressure liquid injection through the nozzles creates a flowable sand slurry, a flowable slurry outlet opening (6) facing the flowable slurry created by the nozzles, and two flow paths, integrated in the tool, each flow path being fluidly coupled to one or both of the nozzles and the outlet opening, wherein a first flow path is for high pressure liquid to be injected through the nozzles and/or to create suction effect in the outlet opening, and wherein a second flow path is for removal of slurry collected through the outlet opening.

2. 发明申请

WO2023091024A1 HYDROCYCLONE 审中-公开
公开(公告)号：WO2023091024A1
公开(公告)日：2023-05-25
申请号：PCT/NO2022/050263
申请日：2022-11-15
申请人： SANDCATCH SOLUTIONS AS
发明人： HUSVEG, Trygve
IPC分类号： B04C3/06 , B04C5/08 , B01D17/02 , B01D21/26
摘要： Hydrocyclone feasible for autonomous and continuous removal of sand or other heavier particulate material from a continuous medium of liquid and sludge, merely by static control parts, wherein the hydrocyclone comprises an inlet, a hydrocyclone body with a cylindrical part and a conical part or a transitional cylinder-cone body, a reject outlet in the narrow end of the conical body and an accept outlet at the end of the cylindrical part of the hydrocyclone body, distinguished in that: the diameter of the inlet, one or several in sum, is 2/5 of the diameter of the hydrocyclone, within ±30%, or if the inlet is volute, rectangular or has other cross section shape than circular, a cross-section area of the inlet or inlets in sum corresponding to a circular inlet with diameter 2/5 of the diameter of the hydrocyclone, within ±30%; wherein the diameter of the hydrocyclone is the diameter of the cylindrical part or the diameter of the widest end of the conical part of the hydrocyclone body, the diameter of the accept outlet/vortex finder (liquid and sludge) is 3/5 of the hydrocyclone diameter, within ±30%; the diameter of the reject outlet (sand or sandy sludge) is 1/5 of the hydrocyclone diameter, within ±30%; the length of the cylindrical part of the hydrocyclone body is between 1 and 2 times the hydrocyclone diameter; the length of the conical part of the hydrocyclone is between 1 and 3 times the hydrocyclone diameter; and the hydrocyclone, when in operation, is oriented with the reject outlet directed at an angle in the range 0-90° upward from horizontal.

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