Composite double-layer filter cartridge with built-in parabolic airflow guide cone

• Main Authors: DING WENSI, SONG XILIN
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2022
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses a composite double-layer filter cartridge with a built-in parabolic airflow guide cone. Comprising an outer filter element and an inner filter element, the inner filter element is coaxially sleeved with the outer filter element; a space between the outer filter element and the inner filter element forms a filter cartridge cavity; the axial length of the inner filter element is smaller than that of the outer filter element; one axial end of the outer filter element is an air outlet, and the other axial end of the outer filter element is an air inlet; one end of the inner filter element is arranged at the air inlet end of the outer filter element, and an airflow guide cone is mounted at the other end of the inner filter element; the top end of the airflow guide cone is arranged towards the air outlet; according to the combined type double-layer filter cartridge provided by the utility model, the flow field of blowback dust removal airflow is changed through the airflow guide cone, so