Cyclone cylinder with switchable inner cylinder and application of cyclone cylinder in pulverized coal fineness grading blending

• Main Authors: MA JIAOMEI, ZHAO LIANG, GAO WEIMIN, WANG JIASHUO, LI BO
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2024
• Subjects: APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES; CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES; PERFORMING OPERATIONS; TRANSPORTING

The invention discloses a cyclone cylinder with switchable inner cylinders and application of the cyclone cylinder in pulverized coal fineness grading blending, and the cyclone cylinder comprises a volute, a column body and a cone which are sequentially arranged from top to bottom, and further comprises a low-separation-efficiency inner cylinder and a high-separation-efficiency inner cylinder, the low-separation-efficiency inner cylinder and the high-separation-efficiency inner cylinder are different in specification, respectively correspond to different separation efficiencies and are mutually independent and do not influence each other; a top cover of the volute is provided with two annular holes used for allowing the low-separation-efficiency inner cylinder and the high-separation-efficiency inner cylinder to ascend and descend respectively, and the low-separation-efficiency inner cylinder and the high-separation-efficiency inner cylinder are controlled to ascend and descend through respective correspondin