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How does ECO20x work?

AUTOMATED AND SAFE PROCESS

Each process phase is automated and can be controlled remotely or locally through a specific web interface, simple and user friendly. From biomass filling to gasification, till energy production, the software analyses, manages and records all important data automatically. The remote control system allows a continuous performance monitoring and a quick check for any occurring damage. The user friendly interface makes the ECO20x’s use easier and reliable. ECO20x is designed for operating in total safety, excluding explosions and leaks risks.

PROCESS PHASES

WATCH VIDEO EXPLAINER ECO20x

BIOMASS LOADING AND PYROGASIFICATION PROGESS

Wooden biomass is delivered to the gasifier, coming from the main hopper, integrated into the containerized box. The gas is obtained from biomass or other organic materials through pyrogasification, in which biomass meets heating (from 300°C till 900°C) and molecular reassembly. The produced gas is a mixture (syngas) composed by CO, H2 and CH4, essentially.

SYNGAS

In order to obtain the correct air / fuel ratio to sent to the engine, before the mixing with the required air quantity, the syngas must be submitted to a cooling, filtering and cleaning process. Only after cleaning process, fuel/air mixture is released to the internal combustion engine.

FROM SYNGAS TO ENERGY

CHP system’s crankshaft is connected to a synchronous alternator; such alternator can generate 20kWel (peak value). Heat recovery system can release till 40kWth of heat power (peak value), using the heat of engine cooling system and the heat released by exhaust engine gases.

CHP system is suitable even for trigenerative purposes (production of electric energy, heating, and refrigerator), if coupled with an absorption chiller.

WORKING PRINCIPLES

ECO20x pyrogasification from wooden waste and related energy and heat production are highly complex processes. But ECO20x microCHP system (and related user friendly interface) has made them easy.
VIEW THE PROCESS SCHEME

ELECTRIC ENERGY PRODUCTION

ECO20x working principles for electric energy production are shown in figure.

The electric motor engages the hopper’s auger, pushing biomass inside the reactor.

Thermochemical reactions into the gasifier (pyrogasification) produce a syngas mix to be cooled and cleaned before the use in internal combustion engine.

For this reason, gas is threated by:

1

a cyclone (on the reactor) for ultra small ashes removal

2

a syngas cooler to reduce gas temperature so to increase the gas density and to condensate steam and tars from syngas stream

3

a biological filter to further ultra small ashes and residual tars removal

4

a cyclone upon the engine, allowing the mixture with external air so to obtain the last condensation and related removal.

If the biomass generates too dust and powder, in order to protect the engine, other cyclones, filters, cleaning elements can be added on the gas cleaning chain.

THERMAL RECOVERY

Concerning thermal recovery section, ECO20x can get:

  • a first low temperature recovery system, using engine's cooling water heat through a plate heat exchanger
  • a further high temperature recovery system, using engine's exhaust gas by a specific heat exchanger, in serie with the first one, on the same path.

EXHAUST GAS

After heat releasing into the heat exchanger, CHP system's exhaust gas are released in the environment, ever in compliance with current regulations constraints on emissions given by ltalian Legislative Decree 152/06.

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