Processing Capacity: 10-50 tons/hour
Material Form: Powder or Granules
Equipment Material: Carbon Steel, Stainless Steel
Operation Method: Continuous Mixing
Applications: Organic powders, inorganic powders, agricultural granules, industrial granules, plant fibers, etc.
1. Horizontal Tank: Mostly U-shaped or W-shaped (with a curved bottom to reduce dead corners where materials can accumulate), available in carbon steel or stainless steel. Both ends of the tank are equipped with sealed end caps, and a dust cover can be installed on the top to reduce dust leakage.
2. Dual-Shaft Mixing System: Two parallel horizontal shafts are installed within the tank, with staggered blades. Small gaps are left between the blades and between the blades and the tank wall. The two shafts rotate in opposite directions (one forward, one reverse).
3. Feed and Discharge Devices: The feed port is located at the top of the tank and can be equipped with a screw conveyor or belt conveyor for automatic feeding. The discharge port is located at the bottom of the tank and is typically a pneumatic or electric gate valve.
4. Transmission System: Consists of two motors, a reducer, and a coupling.
Application Areas
Organic fertilizer raw material mixing: Livestock and poultry manure (such as cow and sheep manure) is mixed with conditioners such as straw shreds and sawdust to adjust the moisture content and carbon-nitrogen ratio, creating uniform initial conditions for composting.
Fermentation agent inoculation: The fermentation agent is quickly mixed with the main ingredients before composting to ensure uniform distribution and avoid incomplete composting due to insufficient concentration in certain areas.
Functional additive mixing: Humic acid, amino acids, and trace elements are added to the composted organic fertilizer to produce customized formula fertilizers (such as organic fertilizers specifically for fruits and vegetables) to ensure consistent nutrient distribution.
Working principle of Double Shafts Horizontal Mixer:
The paddle-type twin-shaft mixer achieves three-dimensional movement of materials in the axial, radial, and circumferential directions through the angle design and counter-rotation of the blades. Materials (such as livestock and poultry manure, straw fragments, microbial agents, etc.) enter the trough from the feed inlet. The twin shafts rotate in opposite directions, and the paddles flip the bottom material upward, while the top material falls under the action of gravity, realizing the exchange of materials between the upper and lower layers. When the counter-rotating blades cross each other, they form a "squeeze-tear" shear force on the material, breaking up lumps. At the same time, the tilted blades push the material to the outlet. The material is fully in contact during the three-dimensional movement and is finally discharged from the bottom outlet.
Advantages of Double Shafts Horizontal Mixer:
1. High Mixing Efficiency:
The counter-rotating dual-shafts generate a "compounded stirring force" far stronger than single-shaft equipment, quickly breaking up material agglomerates and reducing mixing time by 30%-50% compared to single-shaft ribbon mixers. This makes it suitable for continuous production line operation.
2. High Adaptability:
It can easily handle high-fiber materials (such as crushed corn stalks and rice husks), high-viscosity materials (such as chicken manure and pig manure with high moisture content), and materials with diverse components.
3. High Processing Capacity:
Continuous models can produce large quantities of material per hour; by adjusting the feed rate and mixing time, it can be flexibly adapted to different production scales.
4. Combined Crushing Function:
The small gaps between the blades and between the blades and the trough wall simultaneously crush small impurities in the material during the mixing process, eliminating the need for additional crushing equipment and reducing production line complexity.
Model | Power(kw) | Reducer Model | Outer Diameter of Mixing Shaft(mm) | Mixing Speed(r/min) | Dimensions(mm) |
ASLSJ-0830 | 11 | ZQ350-31.5 | 420 | 35 | 3700*800*750 |
ASLSJ-1050 | 22 | ZQ500-31.5 | 650 | 35 | 6200*1300*1200 |
How does a twin-shaft continuous mixer differ from a single-shaft continuous mixer in its operating principle?
A twin-shaft continuous mixer utilizes two parallel, counter-rotating mixing shafts. Staggered spiral blades or paddles on the shafts propel the material forward while creating intense shear, compression, and convection. The material is repeatedly torn and mixed between the two shafts, significantly improving uniformity. Single-shaft mixers, on the other hand, rely primarily on the propulsion and tumbling of the single shaft's spiral to achieve mixing, resulting in weaker shear forces. This difference results in shorter mixing times and higher uniformity, making twin-shaft mixers suitable for production scenarios requiring stringent mixing quality.
Are twin-shaft continuous mixers prone to material entanglement or blockage? How can this be prevented?
Compared to single-shaft mixers, twin-shaft continuous mixers have a lower risk of material entanglement due to the shear forces generated by the counter-rotating shafts. However, this risk can still occur when handling materials containing long fibers. Preventative measures: ① Ensure that fibrous materials such as straw are shredded to less than 5cm in length before feeding; ② Select a machine with "anti-entanglement blades" (the blades have serrated edges to cut fibers); ③ Control the feed rate to avoid overloading. If a blockage occurs, use the machine's built-in "reverse function" (available on some models) to reverse the material flow and then remove any entangled material.
What are the key points of daily maintenance for a twin-shaft continuous mixer?
Daily maintenance needs attention: ① Bearing lubrication: Fill the shaft end bearings with lithium-based grease every 8 hours of operation to ensure adequate lubrication; ② Blade inspection: Check the blade fixing bolts weekly to prevent loosening and remove any residual material from the blades; ③ Seals: Check the shaft end seals (mostly a combination of mechanical seals and oil seals) monthly. Replace any leaks promptly; ④ Drive system: Regularly check the reducer oil level and belt tightness (a deflection of 10-15mm is ideal) to prevent transmission failure. A comprehensive overhaul and replacement of aging components is recommended every six months.
How are the dust and odor generated during the operation of a twin-shaft horizontal mixer handled?
To address dust, the equipment can be equipped with a top dust removal port for connection to a bag filter or cyclone separator, achieving dust removal efficiencies exceeding 90%. The feed inlet features a sealed design to minimize dust escape. To address odor, an exhaust gas collection duct can be installed at the top of the mixing drum to direct odorous gases into a biofilter or activated carbon adsorption unit for treatment before discharge. Some models also feature a spray system on the drum wall that uses atomized water to suppress dust and absorb some odors, making it suitable for production environments with stringent environmental requirements.
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