一、基本参数

带刀回冲泵型号为 250WQ500 - 30 带刀潜污泵，管径 250mm，流量 500m³/ 时，扬程 12m，功率 30kw。

二、蘑菇视频特点

1. 潜污泵具有单机流量大、扬程幅度宽、效率高等特点。

2.泵体具备全保护功能，接合控制箱可实现水泵堵转、缺相保护、油缸漏水保护、电机漏水保护。

三、部件特性

1. 叶轮：采用目前最 先进的水力模型换算所得，性能优良、稳定、成熟。较小的 nD 值，抗汽蚀性能好，运行平稳。

2. 轴密封：配备两套独立的机械密封，上下串联安装，使电机与泵密封隔离，提供多重保护。

3. 油室：起到油润滑并冷却密封的作用，在电机与输送的介质之间起到隔离效果，内留的空间可减缓油室内压力。

4. 涡壳：进水喇叭采用高强度灰口球铁铸造，流道光滑，流速和流向变化平衡。

5. 轴承：采用高品质滚动轴承，能承受所有轴线和径向负荷，并且完全与输送的介质分开。

6. 切割刀片：为畜牧养殖场特殊刀片，采用洛氏硬度 48HR 以上的合金材质，叶轮与切割盘之间间隙在 0.1 - 0.25mm，可有效切割毛巾、手套、塑料袋、编织绳、杂草等物体。

(I) Basic parameters
The model of the blade backwash pump is 250WQ500 - 30 blade submersible sewage pump, with a pipe diameter of 250mm, a flow rate of 500m³/h, a head of 12m, and a power of 30kw.

(II) Product features
1. The submersible sewage pump has the characteristics of large single-machine flow, wide head range, and high efficiency.

2. The pump body has full protection functions, and connecting with the control box can realize water pump blocking, phase loss protection, oil cylinder leakage protection, and motor leakage protection.

(III) Component characteristics
1. Impeller: It is converted using the most advanced hydraulic model at present, with excellent, stable and mature performance. Small nD value, good anti-cavitation performance, and smooth operation.

2. Shaft seal: Equipped with two sets of independent mechanical seals, installed in series up and down, so that the motor and pump seal are isolated, providing multiple protections.

3. Oil chamber: It plays the role of oil lubrication and cooling seal, and has an isolation effect between the motor and the conveyed medium. The space left inside can reduce the pressure in the oil chamber.

4. Volute: The water inlet horn is cast with high-strength gray ductile iron, the flow channel is smooth, and the flow rate and flow direction change are balanced.

5. Bearing: It adopts high-quality rolling bearings, which can withstand all axial and radial loads and are completely separated from the conveyed medium.

6. Cutting blade: It is a special blade for livestock farms. It is made of alloy with Rockwell hardness of more than 48HR. The gap between the impeller and the cutting disc is 0.1-0.25mm, which can effectively cut towels, gloves, plastic bags, braided ropes, weeds and other objects.