Frameless thickness type filter element

• Main Author: BAI CHAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2022
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to a frameless thickness type filter element which comprises a first filter layer, the outer side of the first filter layer is coated with a second filter layer, the outer side of the second filter layer is coated with a third filter layer, and the outer side of the third filter layer is coated with a fourth filter layer. After being wound by a spiral track, the filter element has enough strength, and an internal supporting framework does not need to be configured, so that materials are saved, and the weight of the filter element is reduced; according to the particularity of the manufacturing process of the filter layers of the filter element, the density of each layer is different, the density of the outer filter layer is minimum, the porosity is maximum, and large particulate matters are blocked, the porosity of the innermost layer is minimum, and small particulate matters are blocked, and the four layers of fibers with different densities form a stepped interception method, so tha