Material: Cast iron or stainless steel
Mechanical Seal Friction Material
The friction material of the submersible mixer's mechanical seal is corrosion-resistant tungsten carbide. This ensures durability in underwater environments, extends the service life of the mechanical seal, and maintains the sealing performance and operational stability of the submersible mixer.
Fastener Material
All fasteners are made of stainless steel, offering excellent corrosion resistance. This prevents rusting in humid underwater conditions and ensures the structural stability of the submersible mixer.
Stainless Steel Material
Advantages: Stainless steel provides outstanding corrosion resistance, allowing it to operate for extended periods in wastewater containing corrosive substances such as acids and alkalis without damage. It is especially suitable for complex working environments-such as industrial wastewater treatment-where high corrosion resistance is required.
Motor power and efficiency
YE3 motor power : 0.37-22kw
Efficiency :75-89%
Energy Efficiency Grade:Complies with the YE3 high-efficiency
Voltage and frequency are compatible:380v/50hz
Delivery period: 3-7 days for regular models, 10-15 days for customized models.
After-sales service: One-year warranty (except for quick-wear part)
Spare parts:a set of mechanical seal O-ring, bearing . impeller
Packaging: Plywood wooden box packaging.
Payment method: TT

Submersible Mixers Wastewater, also known as submersible propeller, is suitable for the process of sewage treatment plant to promote the mixing of wastewater containing suspended solids, thin mud, industrial process liquid, etc., to create water flow, strengthen the mixing function, prevent sludge precipitation, municipal and industrial wastewater treatment process is an important equipment.It is divided into mixed submersible mixer, low speed submersible propulsion mixer.
Submersible agitator is a submerged equipment which works continuously under full submerged condition and integrates the functions of stirring, mixing and pushing, applicable to all kinds of pools, and consists of underwater motor, speed reducer, stirring paddle and control system. Among them, the motor has overload, water leakage and overheating protection function. The mixing paddle is generally designed into a special spiral shape, which can produce a larger thrust, with a short high-speed mixer blade and a long low-speed mixer blade. When the equipment works, the propeller is driven to rotate by the underwater motor and reducer, which pushes the water forward, improves the water flow conditions in the pool, obtains the required flow rate of the process, and at the same time, effectively promotes the uniformity of the mixed liquid water quality and prevents the sludge from being deposited, so as to improve the efficiency of sewage treatment.
Translated with DeepL.com (free version)
Mixing and stirring series is suitable for municipal and industrial sewage treatment process to stir the liquid containing suspended matter, generally use multi-stage electrode, using direct connection structure, low energy consumption, high efficiency. Mixing mixer impeller through precision casting or stamping molding, high precision, thrust, compact structure.
Low-speed push-flow series mixers are suitable for municipal and industrial wastewater treatment plant aeration tanks and anaerobic tanks, used for water circulation in wastewater tanks and the effective flow and aeration of water in the stages of nitrification, denitrification and phosphorus removal. Low-speed mixer adopts cycloidal pinwheel reducer, equipped with low power and low speed motor, mixer impeller with large diameter, casted by polyurethane material and aluminum alloy, with high strength and corrosion resistance.

Features
Efficient hydraulic design and self-cleaning function
The impeller of the submersible mixer adopts an optimized hydraulic design, which enables the mixer to efficiently stir the liquid during operation. Its blade angle and structure can effectively promote the flow of liquid and ensure uniform water flow. This design ensures low energy consumption and high stirring effect. In addition, the self-cleaning function of the blade is one of its remarkable features, which can prevent impurities, sludge and other substances from accumulating on the surface of the blade, avoiding blockage and efficiency reduction. This self-cleaning function continuously cleans the blade through the rotation of the blade and the driving effect of the water flow, reducing the frequency of manual cleaning and maintenance costs.
Energy saving and improving dissolved oxygen effect
The submersible mixer can be linked with the aeration system to increase the dissolved oxygen content in the water. Especially in the wastewater treatment process, increasing dissolved oxygen plays an important role in the degradation of organic matter. Through efficient stirring, the submersible mixer can optimize the oxygen distribution of the water body, so that oxygen can more effectively penetrate into all levels of the water body, promote the degradation of microorganisms, and thus effectively improve the treatment efficiency. In addition, the high-efficiency design of the submersible mixer makes the energy consumption low, which can reduce energy waste while ensuring the stirring effect, and further reduce the operating cost.
Safe and reliable motor system
The motor of the submersible mixer adopts F-class insulation material, which has strong high temperature resistance and anti-aging ability, and can work stably in high temperature and humid environment. The protection level of the motor is IP68, which means that even in long-term diving or extremely humid environment, the motor can still maintain good waterproof performance and avoid motor damage caused by water vapor penetration. At the same time, the submersible mixer also adopts imported bearings and oil chamber leakage detection system, which can monitor the working status of the motor in real time to prevent the operation of the equipment from being affected by mechanical failure. In addition, the motor also has an overheating protection function. When the motor temperature exceeds the safe range, it will automatically stop working to ensure the safety of the equipment and extend its service life.
Corrosion-resistant and high-strength mechanical seal
The mechanical seal part of the submersible mixer adopts corrosion-resistant tungsten carbide material, which enables the equipment to work stably for a long time in wastewater containing corrosive substances. Tungsten carbide material has extremely high hardness and wear resistance, which can prevent wear caused by long-term operation and improve the durability of mechanical seals. All fasteners are also made of stainless steel, which further improves the corrosion resistance and structural stability of the equipment. In addition, the submersible mixer adopts a double mechanical seal design. Even if one layer fails, the other layer can continue to maintain the sealing performance of the equipment, further improving the reliability and safety of the equipment.
Operating conditions
Submersible Mixers Wastewater is suitable for all kinds of water treatment processes and industrial processes, which need to keep the solid-liquid two-phase or solid-liquid-gas three-phase medium uniform mixing reaction place.
QJB mixer can operate normally and continuously under the following conditions:
1.The temperature of high medium should not exceed 40 ° C;
2.The pH value of the medium is between 5 - 9;
3. The medium density shall not exceed 115KG / m3;
4. long term diving operation, the diving depth is generally not more than 20 meters.
Installation system of submersible mixer
It is recommended to use II installation system when the power of submersible mixer is 1.5KW, 2.2kW and 2.5kW. The base of lifting system, steel rope fixing frame and guide base are fixed with expansion bolts without reserved holes.
Main items of Submersible Mixers Wastewater
Precautions for the type selection of submersible mixer: 1kW power per 500m3 volume should be more than 60NM, and the effect is good after actual inspection. Some small blades can not achieve this effect at high speed.
The power can be reduced by 10% for round pool, runway type pool and ring type pool, while 10% power must be increased for square pool, rectangular pool and triangle pool. The larger the pool type is, the smaller the power can be.
For every 10% increase in medium density, the power must be increased by 30%. Square tank and rectangular tank can also be considered in impeller size, spiral angle, installation position, inlet and outlet position, so as to achieve no dead angle or small dead angle.
As for the flow velocity, there are many mixer for pushing flow, so the original flow rate, cross section of the pool, length and other relevant data and the required flow rate must be provided. The company can provide the corresponding products. This is a complicated process. Please contact the supplier for selection.
Installation height of submersible mixer: (1) impeller diameter less than 1 m from pool bottom to mixer center x = impeller radius + 0.7 M. (2) If the impeller diameter is more than 1 m, it is calculated as radius + 1 m. (3) The installation height can be increased or decreased according to the pool depth.

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|
Model |
Motor Power(Kw) |
Rated current(A) |
Rpm of Vane (r/min) |
Diameter of vane (mm) |
Thrust(N) |
Weight(kg) |
|
QJB0.85/8-260/3-740/S |
0.85 |
3.2 |
740 |
260 |
163 |
55/65 |
|
QJB1.5/6-260/3-980/S |
1.5 |
4 |
980 |
260 |
290 |
55/65 |
|
QJB2.2/8-320/3-740/S |
2.2 |
5.9 |
740 |
320 |
582 |
88/93 |
|
QJB4/6-320/3-960/S |
4 |
10.3 |
960 |
320 |
609 |
88/93 |
|
QJB1.5/8-400/3-740/S |
1.5 |
5.2 |
740 |
400 |
600 |
74/82 |
|
QJB2.5/8-400/3-740/S |
2.5 |
7 |
740 |
400 |
800 |
74/82 |
|
QJB3/8-400/3-980/S |
3 |
8.6 |
980 |
400 |
920 |
74/82 |
|
QJB4/6-400/3-480/S |
4 |
10.3 |
480 |
400 |
1200 |
74/82 |
|
QJB4/12-620/3-480/S |
4 |
14 |
480 |
620 |
1400 |
190/206 |
|
QJB5/12-620/3-480/S |
5 |
18.2 |
480 |
620 |
1800 |
196/212 |
|
QJB7.5/12-620/3-480/S |
7.5 |
28 |
480 |
620 |
2600 |
240/256 |
|
QJB10/12-620/3-480/S |
10 |
32 |
480 |
620 |
3300 |
250/266 |




