Gas pre-filter with backwashing function

• Main Authors: HUANG XIANYOU, LI LINYAN
• Format: Patent
• Language: Chinese; English
• Published: 18.08.2023
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses a gas pre-filter with a back washing function, which comprises a filter tank body, a back washing device and a back washing device, wherein the filter tank body is divided into a front filtering cavity and a rear filtering cavity by a filtering component; the filter tank body is cylindrical, and the axis of the filter tank body is vertically arranged; the filtering assembly is arranged in the middle of the filter tank body, so that the front filtering cavity is positioned below the rear filtering cavity; the compressed gas inlet pipeline and the back-flushing exhaust pipeline are respectively communicated with the front filtering cavity of the filter tank body; and the compressed gas exhaust pipeline and the back-flushing gas inlet pipeline are respectively communicated with the filtered cavity of the filter tank body. The filter can be used for filtering high-pressure gas generated by the compressor; the filter element for filtering can also be subjected to back-flushing cleaning,