Pump station for fertilization and irrigation system and water feeding pump or fertilizer applying pump thereof

US12025156B1 · kind B1 · utility

Assignees

• Taizhou Vocational College of Science & Technology · CN
• Wenling Fluid Machinery Technology Institute of Jiangsu University · CN

Inventors

• Chao Wang · Tangxia, CN
• Zhenhua Shen · Shanghai, CN
• Jianqiang Ma · Houqiao, CN
• Jinfeng Zhang · Shanghai, CN
• Yin Luo · Taizhou City, CN
• Guidong Li · Longbeilingcun, CN

Key dates

• Filing date: Mar 15, 2024
• Grant date: Jul 2, 2024
• Expiry date: Mar 15, 2044

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2240/70
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

The invention discloses a water feeding pump or a fertilizer applying pump for a pump station of a fertilization and irrigation system. The water feeding pump (2) or the fertilizer applying pump (3) is a centrifugal pump. The centrifugal pump includes a volute and an impeller. The impeller includes a front disc (12), a rear disc (13), and main blades (14), and a plurality of back blades (18) distributed along a circumferential direction are disposed on a back surface of the rear disc, where an auxiliary rotating disc (11) is disposed between the impeller and a rear side wall of the volute, the auxiliary rotating disc is a rotating member and is driven by the back blades of the impeller to rotate.