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Sigma Mixer

  The Hywell Machinery CH series Sigma Mixer, which is also known as the Double Arm Mixers, or Z Blade Mixer, is used for the mixing-kneading of materials with very viscosity With its unique design of Z-shaped mixing tools installed in two semi-cylinders, the Hywell Machinery Guttered Mixer is able to provide a combined functions of compressing, stretching, folding, kneading & mixing.

  • CH
  • 8419399090
  • SUS304/SUS316L
  • Food/Pharmaceutical/Chemical

Sigma Mixer Introduction

CH series Blade Mixers are constructed from either 304 stainless steel or 316L Stainless Steel in sizes ranging 100L to 400L. Products may be discharged via  tilt discharge. This kinds paste mixing machine widely used in the chemical, food, sealing compound and paint industries, among others. The Z blade wet mixer is usually used as the front-end mixing equipment of the instant granulation production line. It is used in conjunction with the swing granulator or the rotary granulator and the vibrating fluidized bed dryer of our company. Welcome to consult Hywell Machinery.

Sigma Mixers Working Principles

The mixing elements of paste mixer are one or two Z type steel casted blades. They contra rotate inward fitted at close or specified clearance with the container to give thorough and uniform mixing. The mixing action is a combination of bulk movement, shearing, stretching, folding, dividing, and recombining as the material is pulled and squeezed against blades, saddle, and side walls. Continually new layers of material are compressed and folded over one another and are subjected to shearing forces. New surfaces are formed and the components can penetrate. The blades, which are ground and polished, successively sweep all points of the trough surface during each revolution, at the same time dividing the batch continuously across the saddle piece and thereby achieving a perfect mix.

paste blender

Siga Mixer

siga blender

Siga Blender

wet blender

Z Blade Mixer

Sigma Blender specifications


Total volume (L)

Operation Volume(L)

Blending power(Kw)

Speed of mixing (r/min)

Discharge angle





























1.Hywell machinery reserves the right to   the design without notice

2.All specifications are as accurate as is   reasonably possible, but they are not binding.

Sigma mixing machine Construction Material

Hywell Machinery are able to offer wet mixing machine with contact part to be built in SS304, SS316L, Titanium, Duplex stainless steel, etc. Electrical parts of control system of the Powder mixing machine can be adapted to the customer’s needs.

Z Blade Blender Advantages

Hywell machinery Z Blade Blenders had the following advantages over conventional solutions.

1.  Excellent homogeneity of mixing with no dead points

2.  Complete discharge and easy cleaning

3.  Drums can be built in SUS304,SUS316L ,Titanium, Duplex stainless steel.

4.  Smooth running, reliable performance, easy operation.

5.  Highly polished inner and outer surfaces of the barrel, no dead comer, easy to discharge materials, easy to clear, no cross contamination. Confining to the requirement of GMP.

Z Blade Mixer Machine Options

Hywell machinery Z Blade Mixing Machine had the following options.

1. Materials:

 Drums can be built in SUS304, SUS316L ,Titanium, Duplex stainless steel.

2.    Control system:

The mixer machine has more choices, such as push button or HMI+PLC.

3.    Feeding system:

 The powder blending machine can be by manual or pneumatic conveyor or vacuum feeder.

4.  Electrical component

The mixing machine mainly use international brand such as ABB ,Siemens or Schneider.

CH paste mixer

Single Arm Blender

CH paste mixer

Two Blade Blender

How it Works 

In process, substance is loaded from side to side the top of the container to characteristically 40 to 65 percent of the mixer's total volumetric capability. The driving of the blades is through serious duty drive system characteristically consisting of a motor, gearbox, coupling, and gears. The blender trough can be providing with jackets for transmission of hot or cold media to continue the obligatory temperature situation within the mixer. The release of the material from the blender container is also by leaning of the paste mixers


CH Series Guttered Mixer is used for mixing the powder state and grain state materials to achieve high uniformity in the pharmaceutical, chemical, food, light-industry, electronic, mechanical, metallurgical, nation defense industries and other science and technology institutes.

Attention to order

1. it need to supply the density of materials.
3. it need to supply the capacity per batch or capacity per hour.
5. it need to decide which kinds feeder that needed to load materials into mixer.

6. it need to decide which kinds steel for machine-304 stainless steel or 316L stainless steel.

7. Other special requirements.

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