Filtering device capable of automatic cleaning

• Main Author: XIONG CHUNSHENG
• Format: Patent
• Language: Chinese; English
• Published: 01.05.2018
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention provides a filtering device capable of automatic cleaning. The filtering device comprises a conveying pipeline, a filter screen, a spray washing pipe and a spray washing head, wherein the upper end of the conveying pipeline is provided with a liquid inlet; the outer wall of the conveying pipeline is provided with a sewage outlet; the filter screen is arranged above the sewage outlet;the edge of the filter screen is tightly connected with the inner wall of the conveying pipeline; the bottom of the filter screen is provided with a transverse compression spring; the other end of the compression spring is fixed on the inner wall of the conveying pipeline; the spray washing pipe is arranged on the inner wall of the conveying pipeline and extends downwards along the inner wall ofthe conveying pipeline; the topend of the spray washing pipe is provided with a cover for sealing the spray washing pipe; the cover is hinged to the pipe wall of the spray washing pipe; and the bottomend of the spray washing p