Small medical waste incinerator for a hospital

A small rotary kiln incinerator for a hospital was developed for MPO (Poland) with a small rotary kiln for continuous operation. As far as we know, this is the smallest rotary kiln operating on medical waste, which has a throughput capacity of 150 – 200 kg/h. Smaller is difficult, because for maintenance and service.

The hospital has big buildings, and have the need to have always a correct temperature indoor, also in winter time. Also the need of hot water is a significant cost. And there are certain piek hours where the consumption of hot water is known.

Heating in winter time is always on. But during the night it is less, because of less activity. Less doors open etc.

On a hospital site arrives the heat grid, with hot water.

Energy recovery system

This small plant will deliver approx.. 450 kW thermal heat, this heat we us for generation of hot water and central heating of buildings, not in electricity recovery.

Why not electricity as an energy recovery?

Financially reasons, for electricity you need to invest, and it requires special competences and maintenance service to keep it in operation. And the amount of generated power is too less to make it profitable.

Why hot water and central heating by heat grid?

Hot water for the hospital is a not a permanent heat consumption system, and the consumption is not stable. This is why the water required for the hospital is heated up in buffer tanks, ready for consumption at the desired amount and temperature. If the temperature in the tank is too low, the system activated the heating up from the boiler system. Hot water is also secured by the heat grid. The incinerator boiler is also heating the main pipeline of the central heating grid, and supporting in the this way the central heat grid, it heats just before the heat exchanger of the hospital. In case the hospital doesn’t consume the heat, the heat grid maintains the main temperature on the pipeline through the city with it. In this way, heat is always secured for the hospital, and the incinerator boiler can always be cooled.