Full-Open Twin-Shaft Paddle Mixer

The Full-open Twin-shaft Paddle Mixer is a new generation of hygienic blending equipment developed and designed by SIEHE in strict accordance with the requirements of the food and pharmaceutical industries. It is suitable for efficient mixing of powder-powder, granule-granule, granule-powder, and with small amounts of liquid. This machine overcomes the structural limitations of traditional mixers, such as "locked-in barrel and difficulty in thoroughly removing material residues," by using a gear reducer directly connected to the mixer rotor, resulting in higher operational reliability and a longer service life. A sliding rail is located at the bottom of one side of the drum, employing a sliding pull-out design. The two mixing shafts can be moved out of the mixing barrel along with the gearbox, completely exposing the interior of the mixing chamber for thorough cleaning. The other side features a flip-open door design, allowing both doors to be opened for fully open, dead-angle-free cleaning. During operation, the two mixing shafts rotate in opposite directions, and the paddles propel the material throughout the barrel, creating a momentary weightlessness. The material achieves rapid and uniform mixing under high-speed convection and shearing, significantly improving mixing efficiency. A pneumatic flap valve is installed at the bottom, with a high degree of arc-shaped fit, rapid discharge, and no dead angles.

Product Overview

Bulk density ≤5g/cm³
Capacity 50-30,000L
Application areas Suitable for mixing and blending materials in industries such as pharmaceuticals, food, pesticides, dyes, chemicals, plastics, battery materials, ceramics, fertilizers, rubber and plastics, and mortar. (For more application areas, please click "Free Consultation")
Applicable materials The materials include various powders with a specific gravity of less than 5 g/cm³, a liquid content of less than 20%, and a certain degree of fluidity, such as pharmaceutical intermediates, food flavoring powders, pesticides, reactive dyes, dehydrated sludge, lithium cobalt oxide batteries, and more than a thousand other materials.

 

Product Advantages

  • Full-open structure, thorough cleaning without dead zones
    Innovative full-open hygienic design, barrel fully openable for complete cleaning. Mixing chamber inner wall fully welded and polished, no bolts or fasteners, ensuring no material residue and zero hygienic dead zones.
  • Efficient mixing, high uniformity
    The twin-shaft paddle mixing shafts rotate in opposite directions, and the paddles drive the material to be thrown and convected at multiple angles, greatly improving mixing efficiency. The gap between the paddles and barrel is extremely small (2-5mm), and the compact design ensures that the paddles almost fill the entire barrel when rotating, resulting in a mixing uniformity of over 99%.
  • High-performance sealing, zero leakage
    Specially designed seals; hygienic silicone seals on doors and discharge port, zero-leak operation, no cross-contamination, meeting strict clean requirements of pharmaceutical and food industries, GMP-compliant.
  • Strong corrosion resistance, non-standard customization supported
    Product contact parts in SS316L, corrosion-resistant, easy to clean, meeting food and pharmaceutical cleanliness standards. Various non-standard customizations available, such as explosion-proof models. Materials can be customized according to requirements, including SS304/SS321/SS316L, wear-resistant steel, duplex steel, tungsten carbide coating, etc.

Technical Parameter

Model Power (KW) MainShaft Speed (RPM) Capacityv(L) Dimension Weight(Kg)
SMCL-50 2.2 120 20-30 1300*660*850 800
SMCL-500 7.5 60 150-300 1800*1500*1200 1600
SMCL-1000 15 45 400-600 3500*1600*1800 2700
SMCL-1500 15 45 600-900 3800*1900*1900 3200
SMCL-2000 18.5 43 800-1200 4000*2400*2200 3500
SMCL-3000 22 40 1200-1800 4500*2650*2300 4200
SMCL-4000 30 40 1500-2500 5000*3000*2500 5000

Working Principle:

After the material enters the mixing drum, two parallel mixing shafts rotate in opposite directions under the action of the drive system. The blades propel the material and scatter it throughout the drum, creating a momentary state of weightlessness. Under strong convection, tumbling, and shearing, the material disperses rapidly, achieving efficient and uniform mixing. For applications requiring the addition of small amounts of liquid, the liquid can be evenly sprayed onto the material surface during mixing and quickly dispersed by the continuous tumbling of the blades, preventing localized clumping and ensuring uniform mixing. After mixing is complete, the bottom pneumatic flap valve opens, and the arc-shaped structure, combined with the material's gravity, enables rapid discharge with no residue. The entire machine adopts a fully open structure design. A slide rail is installed at the bottom of one side of the drum allowing the mixing shaft and transmission components to be pulled out of the drum as a whole. The other side features a flip-open door design, with both doors able to be opened, completely exposing the interior of the mixing drum for thorough cleaning without dead angles, significantly improving cleaning efficiency.

Contact Information

  • Office

    Rm. 305-307, Building 1, No. 168 Taihong Rd.,
    Hongqiao Business District, Shanghai China

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  • Factory

    Block D2, D5 Intelligent Industry Park, No. 2777 WanfengRd,
    Jinshan District, Shanghai, China

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  • Tel

    +86 21 52913185 / 52913186

  • Fax

    +86 21 52912822

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