1. Product overview
The company through the continuous introduction of advanced technology, vigorously promote scientific and technological innovation. The current submersible mixer QJB multi-functional spiral stagnant water mixer can be divided into high-speed mixing series and low-speed pushing series. High-speed mixing series QJB multi-functional rotary mixer is suitable for sewage treatment plant balance tank, nitrification/denitrification tank, sludge treatment and storage tank, as well as industrial processes to stir liquids containing suspended matter and solid debris to prevent precipitation. Low speed push-flow series QJB multi-functional rotary mixer is suitable for industrial and urban sewage treatment plants aeration tank and anaerobic tank, large nitrification and denitrification tank, disk activated sludge treatment tank, disinfection truck and industrial mixing. It produces a low tangential open strong water flow, which can easily create water flow in large volumes of fluids during the water cycle and the nitrification, nitrogen and phosphorus removal stages.
2、Type description
3.Use and scope of application
QJB multi-submersible mixer is suitable for treating urban sewage and industrial wastewater in environmental engineering
Sewage, waste water, sludge water mixing, uniform
Thickening process
Sludge dewatering process
Heat transfer optimization
Sump cleaning
Prevent particles from coagulating and settling on the pool wall and bottom
Remove suspended solids
Prevent icing
Create water flow
Full ring water, etc
It should be able to operate normally and continuously under the following conditions
1) The maximum medium temperature does not exceed 40℃:
2) The PH value of the medium is between 5-9:
3) The liquid density does not exceed 1.15 kg/m3;
4) Long-term diving operation, diving depth is generally not more than 20m.
! The submersible mixer must be completely submerged in water and cannot work in flammable, explosive and corrosive environments
4, product characteristics
1, QJB type submersible mixer compact structure, small size, light weight, simple operation and maintenance, easy installation and maintenance, long service life.
2, the impeller has the best hydraulic design structure, high working efficiency, swept back blade with self-cleaning function to prevent impurities
Objects are entangled and blocked.
3, mixed with the aeration system can greatly reduce energy consumption, significantly improve oxygen uptake, and effectively prevent precipitation.
4, the motor winding insulation level is F, the protection level is IP68, the selection of imported one-time lubrication maintenance-free quality
Bearings, with oil chamber leak detection and a unique patented motor winding overheat protection and anti-condensation device, make the motor work
Make it safer and more reliable.
5, two independent mechanical seal, mechanical seal friction material for corrosion resistant tungsten carbide. All exposed tight
Firmware is made of stainless steel.
6. Unique cable seal design eliminates the hidden danger of cable leakage.
7, standard parts using point separation technology, can effectively prevent corrosion.
5. Host structure
QJB type multi-functional spiral submersible mixer is mainly composed of equipment host, installation system and electronic control equipment.
QJB type multi-functional spiral submersible mixer can be divided into high-speed mixing submersible mixer and low speed according to its form of action
Push-flow submersible mixer. The high-speed hybrid submersible mixer is divided into direct stamping submersible mixer according to its structural characteristics
And non-direct submersible mixer. Low speed push flow type submersible mixer belongs to non-direct flow submersible mixer.
Hybrid submersible mixer Features:
1. Two independent mechanical seals ensure long-term reliable operation of the submersible motor
2. High quality imported disposable lubricating bearings, designed service life of 100,000 hours, worry-free operation
3. Unique cable seal design eliminates potential cable leakage
4. Stainless steel stamping welded impeller, the blade is swept back after optimization design, high efficiency, with self-cleaning function
5. The motor shaft is made of stainless steel, the rotor is tested by dynamic balance and runs smoothly
6. Internal leakage sensor and group overtemperature protection alarm device
QJB High Efficiency Submersible Mixer: Comprehensive Guide
The QJB High Efficiency Submersible Mixer is an advanced industrial solution designed for wastewater treatment, aquaculture, and industrial fluid mixing applications. Combining high performance, energy efficiency, and durability, this mixer ensures optimal fluid circulation and sludge suspension, enhancing treatment efficiency and reducing operational costs. This guide provides detailed insights into product performance, operation methods, troubleshooting, and safety procedures.
Introduction
Product Features and Performance
Technical Specifications
Installation and Usage Instructions
Maintenance and Inspection
Troubleshooting Common Issues
Safety Guidelines
Conclusion
The QJB High Efficiency Submersible Mixer is engineered for continuous operation in harsh aquatic environments, including sewage treatment plants, chemical processing tanks, and aquaculture ponds. Its robust construction, high-efficiency propellers, and corrosion-resistant materials make it ideal for long-term operation with minimal maintenance.
The mixer supports eco-friendly operations, reducing energy consumption while maintaining high fluid dynamics, ensuring uniform distribution of solids, and preventing sediment accumulation.
High Efficiency Propeller Design: Optimized for maximum fluid flow with minimal energy consumption.
Durable Construction: Made of corrosion-resistant stainless steel, suitable for aggressive liquids.
Low Maintenance: Modular design allows easy disassembly and component replacement.
Stable Operation: Supports continuous operation with low vibration and noise.
Energy Saving: Reduces power consumption by up to 30% compared to conventional mixers.
| Feature | Benefit |
|---|---|
| High Flow Propeller | Ensures effective circulation and prevents sludge accumulation |
| Explosion-Proof Motor Option | Safe operation in hazardous environments |
| Variable Speed Control | Adaptable mixing intensity based on application requirements |
| Compact and Modular Design | Easy installation in tanks and confined spaces |
| Long Service Life | Reduces replacement frequency and operational costs |
3. Technical Specifications
| Parameter | Value/Range |
|---|---|
| Motor Power | 0.75 kW – 15 kW |
| Voltage | 220V/380V, single-phase/three-phase |
| Frequency | 50Hz/60Hz |
| Flow Rate | Up to 1200 m3/h |
| Material | Stainless Steel / Cast Iron |
| Protection Class | IP68 |
| Operating Temperature Range | -10°C to 40°C |
Note: Custom models are available for specialized industrial applications.
Select Installation Site: Ensure a stable submersion point with adequate clearance.
Check Power Supply: Confirm voltage and frequency compatibility.
Mount Mixer: Secure with the provided brackets or support frame.
Connect Power Cables: Use waterproof connectors and ensure grounding.
Submerge and Align: Slowly lower the mixer, making sure it is vertical and stable.
Start Testing: Run at low speed, observe flow patterns, vibration, and noise levels.
Start with low-speed operation and gradually increase to target speed.
Avoid running the mixer dry to prevent motor overheating.
Monitor motor temperature and fluid dynamics during the initial hours of operation.
Regularly check for accumulated debris around the propeller.
Store in dry, ventilated conditions if not in use for prolonged periods.
Protect from dust, moisture, and direct sunlight.
Apply anti-corrosion coating on exposed metal parts before long-term storage.
| Issue | Possible Cause | Recommended Solution |
|---|---|---|
| Mixer not starting | Power supply issue | Check voltage, fuses, and wiring |
| Excessive vibration | Propeller imbalance or debris | Clean propeller and check alignment |
| Overheating | Motor overload or running dry | Reduce load, verify submersion |
| Noise during operation | Loose components or cavitation | Tighten bolts, check fluid level |
| Low Flow | Worn propeller or improper positioning | Replace propeller, adjust alignment |
Always disconnect power before performing troubleshooting or maintenance.
Ensure all operators are trained in electrical safety and mechanical handling.
Use personal protective equipment (PPE) during installation and maintenance.
Do not operate the mixer in a flammable or explosive atmosphere without explosion-proof certification.
Always verify the mixer is properly grounded to prevent electrical hazards.
Never bypass safety interlocks or thermal protection devices.
The QJB High Efficiency Submersible Mixer is a reliable, energy-saving, and high-performance solution for modern industrial fluid management. With advanced design, easy maintenance, and comprehensive safety measures, it ensures long-lasting operation and enhanced wastewater treatment efficiency. Its adaptability, durability, and low operating costs make it a top choice for global industrial and municipal applications.
Phone：+86 15868545868/+8618968868555/+8618815171262
whatsapp：+86 15868545868/+8618968868555/+8618815171262
Email：haiwan@haiwanpump.cn
Add：Meiao Street, Qiaoxia Town, Yongjia County Wenzhou City, Zhejiang, China
Copyright ? 2025 Zhejiang Haiwan Pump Industry Co., Ltd.
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