Structural Comparison
| Equipment | Horizontal ribbon blender | Sigma mixer |
| Basic structure | Horizontal tank + built-in two-way, ribbon blades | Usually double ∑-shaped blade + double U-shaped mixing cylinder |
| Discharging method | Manual/pneumatic butterfly valve, screw discharge | Hydraulic lifting, screw discharge, bottom discharge |
| Heating and cooling | Can be equipped with jacket water/oil heating/cooling | Often equipped with temperature control jacket, can be heated (electricity, oil, steam) |

1. Horizontal ribbon blender
Mixed materials are dry powder, granules, fluid paste.
Pursue large output, fast speed, low energy consumption.
Require easy cleaning and simple structure.
2. Sigma mixer
Mixed materials with high viscosity and high shear difficulty.
Involving polymerization reaction or materials with elasticity/plasticity.
Require high mixing uniformity and temperature control.