QJ潜水泵

产品描述

一般说明

QJ型潜水电泵主要用于深井提水和增压，广泛用于农田灌溉、城乡排水、工矿企业及水库、喷泉、冷却系统、水疗等水利工程。主要特点： 电动潜水泵集电机和水泵于一体，可在水中工作，具有使用方便、安装方便、维护方便、环保等优点，使用维修方便。

潜水泵制造商

我们是中国潜水泵的专业制造商。除水泵外，我们还供应各种渣浆泵、砂石泵、脱硫泵等。根据不同的要求，我们可以提供不同材质的产品，如不锈钢铸造、不锈钢压焊、青铜铸造、素铁铸造、耐腐蚀特殊材料铸造。泵的外径必须严格要求，才不会出现电机密封泄漏、污染水质等情况。

规格

尺寸（放电）：4" 至 16"
处理能力：2-500立方米/小时
扬程：10m-500m
家用功率：0.75-450kw
材质：铸铁、青铜、不锈钢等

AIER® QJ Submersible Pump

使用条件

①电源：380V/三相交流，50Hz

②水质：

A、水温20℃以下（耐高温80℃）

B、固含量小于0.01%（视质量而定）

C、PH 6.5-8.5

D、硫化氢含量小于1.15mg/l

E、氧离子含量小于400mg/l

③潜水电机内部必须充满清水，潜水泵必须能安全潜入水中工作。

④安装深度不得超过水泵额定扬程的20%，井面必须光滑、平直。

类型表示法

主要特点

1、电机为湿式潜水电机。电机室内必须充满清水，用于冷却电机和润滑轴承。底座或电机上的调压膜用于调节电机温度变化引起的电机内部水的压差和膨胀。

2、为防止井下的砂粒进入电机内部，上延伸部安装了两个向后安装的密封油，并安装了一个防砂环。

3、为防止水泵轴跳动，水泵轴与电机轴采用联轴器连接，电机下部应安装推力轴承。

4、水润滑电机和水泵轴承。

5、定子绕组采用潜水电机绕组线。所以隔热效果很好

6、水泵采用离心式叶轮和立式鼓风机进口壳体，结构简单。

施工图

QJ型潜水电泵主要由给水点、水泵轴、叶轮、风机进口壳、橡胶轴承、止回阀（选配）等组成。潜水电机由底座、调压膜、推力轴承、推力盘、下导轴承座等组成。 、定子、定子绕组、转子、上导轨、轴承座、脱砂环、出线电缆等。

性能曲线

Advantages of Using Submersible Water Pumps for Continuous Operation 

A submersible water pump is a highly efficient and durable pumping solution designed to work entirely underwater, making it ideal for applications requiring continuous operation. Unlike surface-mounted pumps that rely on suction, a submersible pump pushes water upward through direct contact with the liquid, resulting in higher efficiency, less energy loss, and better performance in harsh environments.

One of the most significant advantages of submersible water pumps is their energy efficiency. Because they operate directly in the fluid, there is no air leakage or suction head loss, which means the pump converts more motor energy into hydraulic power. This makes submersible pumps extremely effective in deep wells, reservoirs, and dewatering systems where long-term operation is essential. Leading submersible water pump manufacturers often equip their pumps with advanced motors featuring high-efficiency windings and low energy consumption for round-the-clock operation.

Another major benefit is the quiet and vibration-free operation. Since the entire pump is submerged underwater, the surrounding fluid dampens sound and vibration. This makes submersible pumps suitable for residential, municipal, and industrial applications where noise control is important—such as building basements, urban drainage systems, and cooling water circulation.

In addition, submersible water pumps are known for their excellent anti-cavitation properties. Because they operate below the water surface, the risk of air bubbles forming at the impeller is greatly reduced. This prevents vapor lock, improves hydraulic stability, and minimizes wear on internal components. The constant immersion of the pump also ensures natural cooling for the motor, extending its service life even during extended operation.

Finally, submersible pumps are easy to install and maintain. Most modern models are designed with modular components, corrosion-resistant casings, and advanced sealing systems. This ensures long-lasting reliability in environments such as wastewater treatment, agriculture, mining, and chemical processing. When you choose a product from a reputable submersible water pump manufacturer, you can expect superior performance, reduced maintenance costs, and reliable operation—day after day.

Maintenance and Troubleshooting Tips for Submersible Water Pumps 

Proper maintenance of a submersible water pump is essential for ensuring consistent performance, preventing failures, and maximizing operational lifespan. Since these pumps work entirely underwater, they must endure high pressure, varying temperatures, and possible contact with sediments or chemicals. Following a proactive maintenance plan can significantly extend the efficiency and reliability of your system.

The first step is routine inspection. Regularly check the power cable for cracks, fraying, or water ingress, as damaged insulation can cause short circuits. Next, examine the pump’s exterior for corrosion or debris buildup. Sediment accumulation can restrict water flow and reduce pump efficiency. Cleaning the suction strainer and impeller housing every few months helps maintain optimal performance.
A common issue in submersible pumps is reduced discharge flow. This can be caused by impeller wear, clogged intake screens, or partial blockage in the discharge line. If this happens, disconnect the pump, clean the impeller, and inspect for wear or imbalance. Replacing worn impellers or seals promptly prevents more serious mechanical damage.

The mechanical seal is one of the most critical components of a submersible water pump. It prevents water from entering the motor housing. Any leakage or oil contamination in the seal area indicates the need for immediate replacement. Additionally, monitor the bearing temperature and listen for unusual noises—these can signal excessive friction or bearing wear.

Leading submersible water pump manufacturers recommend checking motor insulation resistance periodically to prevent electrical faults. For pumps used in wastewater or industrial environments, schedule quarterly performance tests to track flow, head, and power consumption. If overheating occurs, it could be due to low voltage or excessive solids in the fluid; cleaning the pump and verifying electrical connections typically resolves these problems.

By maintaining your submersible water pump properly—keeping it clean, well-lubricated, and regularly inspected—you can reduce downtime, prevent costly repairs, and ensure reliable operation for years, even in continuous-use applications.

Key Features of High Quality Submersible Water Pumps 

A high-quality submersible water pump is engineered for durability, efficiency, and versatility, making it suitable for use in various industries including construction, mining, agriculture, and wastewater management. Understanding the key features that define a superior submersible pump can help users select the best equipment for long-term operation.

The most important feature is robust material construction. Reputable submersible water pump manufacturers use stainless steel, cast iron, or high-chrome alloys to ensure resistance to corrosion, abrasion, and chemical attack. These materials protect the pump body and impeller from harsh conditions such as sewage, slurry, or seawater exposure. A well-built submersible pump can operate continuously even in environments with high sediment or chemical content.

Another key aspect is the advanced mechanical sealing system. Double mechanical seals made of silicon carbide or tungsten carbide prevent leakage and protect the electric motor from water intrusion. Combined with oil-filled motor chambers for cooling and lubrication, these systems ensure long-lasting reliability and smooth operation.

Efficiency is also a hallmark of a top-tier submersible water pump. Precision-engineered impellers and high-efficiency motors minimize energy consumption while delivering consistent flow and head performance. Built-in overload protection and thermal sensors help prevent damage from overheating or voltage fluctuations, ensuring safety in continuous-use environments.

In addition, modern submersible pumps feature modular and service-friendly designs. Easy-to-remove components allow for quick maintenance without dismantling the entire system, reducing downtime. Anti-clog impeller designs and self-cleaning flow channels further enhance reliability, especially in wastewater or industrial slurry applications.

Finally, certified submersible water pump manufacturers perform rigorous quality control and performance testing to guarantee every unit meets global efficiency and safety standards. When you choose a high-quality submersible pump, you’re investing in a machine that provides stable output, reduced maintenance costs, and decades of dependable operation across multiple industries.