The model and parameter design of the plunger pump for the filter press should match the filtration area, material characteristics, and process requirements of the filter press. The following are typical models, core parameters, and selection points of mainstream manufacturers at home and abroad, combined with the latest technological trends and industry standards to explain:

　　1、 Comparison of mainstream manufacturer models and parameters

　　1. Xianyang Huaxing Pump Industry YBH Series (Shaanxi Local Core Supplier)

　　YBH400-120

　　Flow rate: 120m ³/h (adjustable range 0-120)

　　Pressure: 0-1.5MPa (Ceramic plunger is wear-resistant and suitable for municipal sludge with a solid content of ≤ 30%)

　　Power: 30KW (hydraulic drive+intelligent variable, energy-saving 60%)

　　Structure: Dual cylinder dual action, stroke 350mm, fuel tank capacity 560L

　　Application: Fast feeding of 500 ㎡ plate and frame filter press, matched with hydraulic station to achieve automatic pressure adjustment.

　　YBH300-40

　　Flow rate: 40m ³/h (suitable for 250 ㎡ filter press)

　　Pressure: 0-2.0MPa (ceramic plunger life ≥ 8000 hours)

　　Power: 15KW (external dimensions 2.1 × 1.8 × 2.2 meters, weight 2.1 tons)

　　Advantages: Modular design, maintenance time reduced to 2 hours, annual maintenance cost<800 yuan.