“Shredding + Mixing + Feeding (Pumping)” SMF(P) System

Author: Monica

Jul. 28, 2025

Machinery

“Shredding + Mixing + Feeding (Pumping)” SMF(P) System

“Shredding + Mixing + Feeding (Pumping)” SMF(P) System for Rotary Kiln

1. Performance Enhancements

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Handles drummed waste (solidified/semi-solid), viscous sludge, and industrial residues.

Homogenization: **<5% calorific value fluctuation**, >90% mass uniformity.

30–50% increase in incineration line capacity.

2. Environmental Benefits

Closed-loop operation: Reduces VOC emissions by 80%, dust control efficiency >95%.

Flue gas optimization: 40% lower dioxin generation, 25% acid gas reduction.

30–40% savings in flue gas treatment chemicals.

3. Operational Safety

90% reduced human-waste contact via enclosed design.

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Explosion-proof construction (IECEx Zone 1 compliance).

Emergency cooling system (≥50°C/min cooling rate).

Functions of the SMF(P) System

SMF(P) system is a “Shredding + Mixing + Feeding (Pumping)” system, in which, solid waste is first Shredded by a rotary shear and then blended with waste liquid or viscous materials in a horizontal Mixer for homogenization of mass quality and calorific value, and for increased flowability for enclosed transportation to a rotary kiln by a Feeding system composed of a solid pump or a screw conveyor, and usually accompanied with an injection lance. The system is especially suitable for pre-treatment of various industrial/hazardous wastes before incineration with the following advantages:

Block Diagram for SMF(P) System for Industrial Hazardous Wastes

Typical System Configuration

Shredder (S)

Model RS2-HB Capacity 10 - 15 t/h Overall Dim. (L x W x H) 4,150 x 1,880 x 810 mm Weight (Hydraulics excluded) ~12 t Dynamic Coefficient 1.7 Working surface 1,600 x 1,250 mm No. of cutters per shaft 10 ~ 13 Cutter thickness 62 ~ 85 Diameter of the cutter 570 mm No. of teeth per cutter 7 ~ 9 Installed Power 160 - 200 kW Speed of quick shaft 0 to 20 rpm (variable) Speed of slow shaft 0 to 20 rpm (variable) Drive Hydraulic Motor

Mixer (M)

Model MX10 Available Volume 8 m³ Overall Dim. (L x W x H) ~7,100 x 2,200 x 8,100 mm Weight ~15 t Inlet of Sludge/Pastes 1 x DN 200 with flange / compensator Inlet of shredded wastes ~1,100 x 1,800 with flange Emergency vent Ø500 mm with rupture disk Discharge ~680 x 680 mm with flange Flange for waste liquid/sludge DN 200 Installed Power 75 kW

Feeder (F)
Piston Pump and / or Screw Conveyor

Model SLD35SP/SCW35 Flowrate: 100% Filler Loading 7.5 - 15 m³/h Flowrate: 50% Filler Loading 3.5 - 7.5 m³/h Max. Pumping Force 600 – 1,900 kN Max. Pumping Pressure 200 bar Feeder Inlet Size 550 x 330 mm Feeder Discharge Specs. DN350/PN100 Feeder Piston Diameter Ø 350 mm Feeder Piston Stroke 1,400 mm Feeder Overall Dim. (Screw excluded) 6.4 x 1.3 x 2.1 m Weight (Screw excluded) 7.5 ton Displacement of the Main Hyd. Pump 210 - 560 cm³/r Installed Power 132 - 200 kW

Lance

Model LC35 Nominal Diameter DN 350 Specs. Of the Connecting Flange DN 350, PN 100 Weight ~1.2 ton Material of the Slurry Channel 310S.S Dia. of the Mounting Hole Ø 600 (to be confirmed case by case) Material of the Cooling Air Channel 310S.S Slurry Dispersing Air Consumption ~0.5 Nm³/ kg-slurry, Pressure required: ≥1.2MPa Lance Cooling Air Consumption ~700- Nm³/h, 30 – 40 mbar

Note：Consumption of cooling air depends on its temperature; steam can also be used according to process acceptability.

Electrical Equipment and Control Scheme

The whole SMF(P) system is controlled by a SIEMENS S7 series PLC and operated on a touch screen located in the control room of the system loading equipment. Each of the above main components can also be operated on its local panel.
Dimensions of the electrical cabinet and panel:

Power Distribution 1.2m x 0.5m x 2.2m Control Part 1.2m x 0.5m x 2.2m Local Panel 0.5m x 0.25m x 0.6m

(EEX execution can be followed as per site classification.)

Note: The above models and data are standard configurations for typical machines and system, and can’t be taken as the only principle for type/model/system selection, such facts as kind of wastes and their type of package, viscosity / liquid ratio, and needed delivery distance etc. should also be taken into consideration, actual data are subject to adjustment according to specific requirements. More specific models / system and configurations are for inquiry and for face-to-face discussion.

For more information, please visit Shredding Mixing Feeding Pumping System.