PIROL plant Technical characteristics PIROL photo gallery PIROL video


Capacity, m3/day


Volume of the retort, m3

Diameter of the loading door, mm 1200
Dimensions LхWхH, m


Power consumption, kW 17
Voltage, V 380

1 Front frame, 1 pc.
2 Back frame, 1 pc.
3 Drive unit, 1 pc.
4 Low section of heating chmaber, 2 pc.
5 Middle section of heating chamber, 2 pc.
6 Top section of heating chamber, 2 pc.
7 Retort, 1 pc.
8 Heat-exchanger, 1 pc.
9 Tank with separators, 1 pc.
10 Unloading system, 1 pc.
11 Chimney, 2 pc.
12 Smoke exhauster, 1 pc.
13 Burner (liquid), 4 pc.
14 Burner (gas), 4 pc.
15 Pipelines, set
16 Control box, 1 pc.


Heating of raw materials is made in metallic retort that is set in furnace. In plant PIROL the retort is cylindrical, horizontal and rotates around the longitudinal axis like a cement kiln drum. The retort rotation provides a mixing of raw materials that is essential for effective heating of raw materials with low thermal conductivity, for example, municipal solid waste (MSW).

The rotating retort PIROL is a metallic cylinder making of heat-resistant steel where steel bandages are welded from the ends. With the help of bandages the retort is supported by four glides that are installed on hull frames of furnace at the loading and unloading ends of the furnace. Retort conical bottoms at the ends are equipped with round loading mouth (internal diameter of it is 1180 mm or 46.5 inches) and with the door at the furnace loading end and the unloading mouth at the furnace unloading end. The loading door is compacted with a cord (stuffingbox) and pulled up to the loading mouth by 16 flap bolts. There is a special movable device (manipulator) to change the position of heavy door on the furnace body. The retort loading with raw materials is carried out by the door.

Pyrogas is a vapor-gas mixture of pyrolysis products. Pyrolysis residue is unloaded as the result of process completion and cooling of the pyrolysis residue.

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waste recycling machine
waste recycling machine

A spiral edge is installed on the internal retort body in order to provide better axial mixing of raw materials during the pyrolysis process of retort rotation and better pyrolysis residue progress to retort unloading end during unloading process of retort rotation.

. Special spiral edges (movable) are installed on the internal bottom of retort unloading end. It provides the lifting of pyrolysis residue to unloading mouth during unloading process of retort rotation.

A pinwheel is installed in bandage of unloading end to provide a retort drive unit. The pinwheel is in gearing with cogwheel on output shaft of drive station that is installed on the furnace body frame. The drive station provides information to retort furnace and is gear and motor assembly with variable direction and speed. The drive station is equipped with electro-hydraulic braking and can fix the retort in any necessary position.

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waste recycling plant
waste recycling machine
The furnace body consists of heating chamber and two hull frames. The heating chamber is metallic cover that is lined interior with refractory and heat-insulating materials on the basis of ceramic fiber. The heating chamber covers the retort along its entire length without bandages. The retort heating is carried out by convection and radiation from the four burners flame. Those four burners are under retort in heating chamber. The burners can function on extraneous fuels and\or pyrolysis gases. Combustion products are drown out from smoke exhaust pipes and a chimney into the atmosphere.

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