Energy Systems

The firing system consists of an air-cooled reciprocating grate using the coarse biomass fractions of the wood panel production process as main fuel. Examples include bark, wood chips, coarse trim-mings. System can be equipped with various injection nozzles for combustion of dust and granulate fractions from screening, sawing and sanding. Generating hot thermal oil and providing hot gas to the dryer system can be controlled independently of each other in order to meet individual peak load demands. Recirculation of hot gas from downstream of the thermal oil heater is applied to optimize the combustion process and to allow best operational flexibility of the energy system.

Application

For combustion of fresh biomass and solid waste from the wood panel production process

To provide hot gas for direct heating of rotary drum and flash tube dryers and of thermal oil

Use of fuel quality range of up to 125% b.d. moisture (55 wt. %)

Customer benefits

Process and design engineering of energy and dryer package from one source: less interfaces

Reduced operating costs: minimum staff required due to fully automated operation controls of the energy system and its integration into the panel line control infrastructure

High availability and reliable operation: Robust design and low maintenance requirements allow a long operation period without forced shutdown

High efficiency and flexibility: Design allows fast load change response to meet individual interface requirements of hot gas and thermal oil consumers during product change period and variation of raw materials

Technical features

Minimized electrical power consumption: use of VFD controls for operation of fans, pumps and dampers according to process needs

Grate combustion capacity of up to 85 MW

Optional 24/7 online support and remote control

Simple and easy operation by integration of controls into one comprehensive automation system

Thermal oil heater size of up to 35 MW

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