Graded filtering and steam combined backwashing device for biogas liquid irrigation

• Main Authors: CHEN XIJING, JIANG LINA, XI HUI, XU YUXIN
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2012
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention discloses a graded filtering and steam combined backwashing device for biogas liquid irrigation, belonging to the technical field of an irrigation filtering device. The graded filtering and steam combined backwashing device comprises a graded feculence-blocking box system, a water inlet and liquid inlet system, a laminated type and net type filter group system, a steam combined backwashing system and the like. According to the graded filtering and steam combined backwashing device provided by the invention, a laminated type filter and a net type filter are combined to form a filter group to be used as a double-filtering device of biogas liquid, so that not only the filtering efficiency can be improved, but also the backwashing is convenient to implement; a steam combined washing function is combined, so that the working efficiency of the graded filtering and steam combined backwashing device is further improved and the graded filtering and steam combined backwashing device is not easy to block.