DAGYEE Severe-Duty Abrasion-Resistant Submersible Mixer for Mixing Fly Ash, Mining Tailings, and Other Highly Abrasive Slurries

Description

Submersible Mixers Description

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Submersible mixers are fully submersible electromechanical devices designed for mixing, agitating, and homogenizing liquids, slurries, and suspensions in tanks, basins, and ponds. They consist of a waterproof motor directly coupled to an optimized impeller, enclosed in a corrosion-resistant housing. These mixers operate while completely submerged, eliminating the need for long shafts, external bearings, or complex sealing arrangements common to top-entry mixers. Available in various materials (stainless steel, cast iron, bronze) and power ratings (0.5 kW to over 50 kW), they are engineered for continuous duty in harsh environments, featuring double mechanical seals and high-efficiency motors for reliable, maintenance-free operation.

Submersible Mixers principle

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Component

• Motor
• Upper bearing
• Seal monitoring&indication
• Solids deflection ring
• Mechanical seal
• Axial flow propeller
• Bracket
• Control System
• Corrosion resistant shell

The operating principle centers on converting electrical energy into controlled hydrodynamic flow. The motor drives an impeller (typically a three-blade propeller or specialized mixing disc) that rotates at optimized speeds. This rotation creates a powerful axial or radial flow pattern, generating a directional current within the vessel. This current ensures complete circulation, preventing sedimentation, maintaining solids in suspension, equalizing temperature and concentration gradients, and enhancing chemical or biological reactions by ensuring uniform contact between components.

Componente	Material
Shell	Stainless steel/GG25 cast iron
Impeller	Stainless steel/Fiberglass Polyurethane
Shaft	ASTM431 or 420 stainless steel
Mechanical seal	Corrosion resistant cemented tungsten carbide/or silicon carbide
Guide rod	ASTM304 Stainless steel
Lifting bracket	ASTM304 Stainless steel
Lifting cable	ASTM304 Stainless steel
Fasteners	ASTM321 Stainless steel

Submersible Mixers Parameter

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Energy-saving Submersible Mixers Selection

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Modern energy-saving submersible mixers achieve efficiency through multiple integrated features: IE3/IE4 premium efficiency motors reduce electrical losses; computational fluid dynamics (CFD)-optimized impellers maximize fluid movement per watt consumed; low rotational speeds with high torque minimize turbulence and friction losses; and permanent magnet motor technology can offer further efficiency gains. Variable Frequency Drives (VFDs) allow speed adjustment to match exact process demands, preventing energy waste during low-load conditions.

Key selection factors include: Tank Geometry (dimensions, shape, volume); Media Properties (viscosity, density, solids content, corrosiveness, abrasiveness); Process Objective (homogenizing, suspending, reacting, heat transferring); Required Flow Velocity (typically 0.1-0.3 m/s to prevent settling); Installation Depth & Mounting Method; and Environmental Conditions (explosive atmospheres require ATEX certification). Accurate selection requires calculating the necessary pumping capacity and power to achieve the desired turnover rate and flow pattern within the specific medium.

Submersible Mixers Installation Method

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Primary installation methods are: Guide Rail System: The most common, allowing easy vertical installation, removal, and maintenance without draining the tank. Fixed Cradle/Side Mounting: The mixer is permanently fixed to the tank wall or floor at a specific angle, ideal for permanent applications. Telescopic Tube System: Enables depth adjustment after installation. Portable/Cable-Hung: For temporary applications or ponds, suspended by a cable from a support structure.

Submersible Mixers Factor

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Successful operation depends on: Correct Submergence Depth to prevent vortex formation and ensure optimal flow; Proper Impeller Clearance from walls and bottom to avoid dead zones; Adequate Support Structure to handle dynamic loads; Compatible Material Selection for wetted parts; and Robust Sealing System integrity to prevent motor flooding.

Submersible Mixers Features

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• Standard features include: Double Mechanical Seals with oil-filled intermediate chamber and leakage sensor;
• Corrosion-Resistant Housing (SS 304/316 standard);
• Thermal Protection in the motor windings; Heavy-Duty Bearings with lifetime lubrication;
• Cable Entry Seal; and optional Impeller Clog Prevention designs and Explosion-Proof Enclosures.

Submersible Mixers Application

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1. Core applications span Wastewater Treatment (equalization basins, anoxic/anaerobic zones, sludge storage);
2. Biogas Production (digester tank mixing for uniform fermentation);
3. Chemical & Process Industries (mixing reactants, preventing sedimentation in storage tanks);
4. Food & Beverage (gentle mixing of ingredients);
5. Aquaculture (water circulation and aeration support);
6. Pulp & Paper (maintaining slurry consistency).

Supplier Information

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We are a professional supplier specializing in high-efficiency Submersible Mixers, offering customized engineering solutions, bench-scale testing services, and robust equipment designed for demanding industrial and municipal applications.

Contact us today for a free application review and mixer selection recommendation!

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