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4435results about "Grading" patented technology

Adsorption Desulfurization Process for Hydrocarbons and a Reaction Apparatus Therefor

The present invention relates to an airflow particle sorter, comprising: a top-sealed sorter main body, a discharge port, an outtake tube and at least one directing-intake port; the inner space of the sorter main body, from the above to the bottom, includes, a straight tube zone and a cone zone, the conical bottom of the cone zone is connected to the straight tube zone; the discharge port is located at the bottom of the cone zone; the directing-intake port is installed in the upper part of the straight tube zone in a tangential direction of the straight tube zone, and is communicated with the inner space of the sorter main body; the outtake tube is hermetically inserted into the top of the sorter main body, and extends downwardly to the lower part of the straight tube zone, and the outtake tube has a sealed bottom end; the lower part of the outtake tube is installed with at least one directing-outtake port, which communicates the outtake tube with the inner space of the sorter main body, the directing-outtake port is installed in a tangential direction of the outtake tube. The present invention further relates to a fluidized bed reactor and an adsorption desulfurization reaction apparatus as well as an adsorption desulfurization process.
Owner:CHINA PETROCHEMICAL CORP +1

Variable-gap roll shaft fruit and vegetable classifier

The invention discloses a variable-gap roll shaft fruit and vegetable classifier; a driving chain wheel drives a driven chain wheel to rotate by a chain which is evenly distributed with sorting rollers; a plane classification bed is formed by a roll surface of the sorting roller on an upper layer chain, and a plane belt-type conveyor is positioned under the plane classification bed; at the two ends of each sorting roller shaft, a pushing roller wheel is positioned on the sorting roller shaft at the outer side of the chain, and a guide roller wheel matched with a guide rail is fixedly arranged on the sorting roller shaft at the inner side of the chain; the two sides along the longitudinal direction of a stander are respectively provided with a spiral conveying shaft by a bearing seat, and the two spiral conveying shafts are parallel to each other; a motor leads the two spiral conveying shafts to have the consistent rotating shaft and the opposite rotating directions by a transmission device; the screw pitches of the I and the III sections of the spiral conveying shafts are more than that of the II section thereof; the pushing roller wheels are matched with spiral pushing grooves of the spiral conveying shafts; the screw pitch of the II section of each spiral conveying shaft is adjusted, so that the gaps among the sorting rollers running to the II section of the spiral conveying shafts are larger than the diameters of selected fruits; and a feeding groove is arranged above the surface of the I-section sorting roller. The variable-gap roll shaft fruit and vegetable classifier has simple structure, high operation efficiency, stable changing process of the gaps of the sorting rollers, and high classification accuracy rate.
Owner:INST OF AGRI MECHANIZATION XINJIANG AGRI INST +1
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