EcoMulti Boiler

The DP EcoMulti biomass boiler is a mainstay product in DP CleanTech’s portfolio and is designed specifically to address 2 significant challenges that are commonly faced by power plant operators in many regions – optimizing output from poor quality fuels; and emissions management. Fuel types vary widely across regions; and in many countries, it is difficult to sustain a consistent fuel type and quality. With DP technology, multi-fuel capabilities are well developed and the range  of fuels considered suitable for combustion is extensive. High moisture or poor quality fuels accelerate corrosion and reduce the life cycle of equipment. Such fuel types demand specialist combustion knowledge and the EcoMulti boiler has been designed to optimize combustion; withstand the corrosive effects of such fuels, and to handle multiple fuel types.

At the same time, increasingly stringent emissions standards for NOx are being introduced worldwide.  The innovative, integrated EcoMulti design helps to cost effectively meet the most demanding standards for NOx emissions in the world (100mg/M3).  

The EcoMulti is specially designed and optimized for performance in difficult environments.   The R&D process has tested and verified incremental developments on existing projects  to ensure easy integration and superior performance.   


Benefits Advantages and Benefits

Engineering EcoMulti Boiler

DP CleanTech mixed fuel biomass burner system
Redesigned grate stock
Grate stock bin redesigned to handle different sized scattered fuel
Grate modifications
Grate modifications to improve burnout of low quality fuel, and reduce the carbon content of residue, thereby increasing boiler efficiency
Corrosion resistant materials
Corrosion resistant materials reduce degradation and increases product life cycle
Humidity levels
Modifications in air temperature and optimization of air distribution system allows fuel handling with humidity levels of up to 56.7% and LHV of 5045 KJ/Kg.

Designed Performance Parameters (30MW power plant solution)

Main Steam Flow Main Steam Pressure Main Steam Temperature Feed Water Temperature Fuel Consumption
130 t/h 92 bar 540oC 210oC 25 tph
Main Steam Flow 130 t/h
Main Steam Pressure 92 bar
Main Steam Temperature 540oC
Feed Water Temperature 210oC
Fuel Consumption 25 tph

Integrated NOx Reduction Technology with optional SNCR system

Boiler Size Biomass Solution Type Emission standard
130tph Typical non-DP Solution May not meet 300mg/M3
Non-DP Solution + SNCR 100 - 400mg/M3
DP Solution with integrated LowNOx 100 - 400mg/M3
Non-DP Solution + SCR 100 - 200mg/M3
DP Solution with integrated LowNOx + SNCR 50 - 200mg/M3
DP Solution with integrated LowNOx + SCR 50 - 100mg/M3
Boiler Size 130tph
Biomass Solution Type Typical non-DP Solution
Non-DP Solution + SNCR
DP Solution with integrated LowNOx
Non-DP Solution + SCR
DP Solution with integrated LowNOx + SNCR
DP Solution with integrated LowNOx + SCR
Emission standard May not meet 300mg/M3
100 - 400mg/M3
100 - 400mg/M3
100 - 200mg/M3
50 - 200mg/M3
50 - 100mg/M3

Project Case Studies

All Regions Fuel PDF Detail
Fynsværket, Denmark Straw  
Mahachai, Thailand- Coconut Waste to Energy Power Plant Complex fuels  
Asea One Power Mixed Fuel and Multi Fuel