QJ dränkbar PUMP
Produktbeskrivning
Allmän beskrivning
Den dränkbara QJ-pumpen används huvudsakligen för att transportera vatten från en djup brunn och förstärka och används i stor utsträckning vid bevattning av jordbruksmark, vattendränering i stads- och landsbygdsområden och gruvor och industriföretag och vattenvårdsarbeten inklusive reservoar, fontän, kylsystem och spa etc. Huvudfunktionerna är följande: Med enkel att använda, enkel installation, enkelt underhåll, miljöskydd etc. Fördelar, den elektriska dykpumpen som samlar upp motorn och vattenpumpen kan fungera i vattnet och den är bekväm att använda och reparera.
Tillverkare av dränkbara vattenpumpar
Vi är en professionell tillverkare av dränkbara pumpar i Kina. Förutom vattenpumpar levererar vi även olika slurrypumpar, gruspumpar, avsvavlingspumpar etc. Enligt olika önskemål kan vi tillhandahålla produkter med olika material som gjutning av rostfritt stål, rostfri presssvetsning, bronsgjutning, vanlig järngjutning, korrosionsbeständigt specialmaterial gjutning. Pumpen måste vara strikt med ytterdiameter, så situationer som motortätningsläckor och vattenföroreningar kommer inte att inträffa.
Specifikationer
Storlek (urladdning): 4" till 16"
Kapacitet: 2-500m3/h
Huvudhöjd: 10m-500m
Huseffekt: 0,75-450kw
Material: Gjutjärn, Brons, Rostfritt stål etc
AIER® QJ Submersible Pump
Användarvillkor
①Ström: 380V/3-fas AC, 50Hz
②Vattenkvalitet:
S. Vattnets temperatur är under 20 ℃ (hög temperaturmotstånd 80 ℃)
B. Innehållet av fast material är mindre än 0,01 % (beror på kvaliteten)
C. PH 6,5-8,5
D. Innehållet av svavelväte är mindre än 1,15 mg/l
E. Innehållet av oxidjoner är mindre än 400mg/l
③Den dränkbara motorns inre del måste vara full med rent vatten och den dränkbara pumpen måste sänkas ned säkert för att fungera.
④Monteringsdjupet får inte överstiga 20 % av vattenpumpens märkhöjd och brunnsytan måste vara jämn och rak.
Typ Notation

Huvuddrag
1. Motorn är en våt dränkbar motor. Motorkammaren måste fyllas med rent vatten som används för kylning av motor och smörjning av lager. Den spänningsreglerande filmen på basen eller motorn används för att justera tryckskillnaden och utvidgning av vatten i den inre delen av motorn orsakad av motortemperaturförändringar.
2. För att förhindra att sandkornen från en brunn kommer in i den inre delen av motorn, installeras den övre delen av förlängningen två tätningsoljor som installeras bakåt och en avsandring installeras.
3. För att förhindra att vattenpumpens axel hoppar, är vattenpumpens axel och motoraxeln sammankopplade och ett axiallager bör installeras i motorns underdelar.
4. Vattnet smörjer motorn och vattenpumpens lager.
5. De dränkbara motorlindningarna används för statorlindningen. Så den isolerar bra
6. Centrifugalhjulet och det vertikala fläktens inloppshölje används för target="_blank">vattenpumpen och strukturen är enkel.
Konstruktionsdiagram
QJ dränkbar pump består huvudsakligen av matningspunkt, vattenpumpsaxel, impeller, fläktinloppshus, gummilager, backventil (tillval) etc. Dränkbar motor består av bas, spänningsreglerande film, axiallager, axialskiva, nedre styrlagerblock , stator, statorlindning, rotor, övre styrning, lagerblock, avslipningsring, uttagskabel, etc.

Prestandakurva


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.















