WNS horizontal internal combustion biomass boiler

WNS horizontal internal combustion biomass boiler

Fuel type: Biomass, wood, fruit husks, rice husks, branches, construction waste templates, etc
garment factories, laundries, food manufacturers, power plants, district heating, schools, hospitals, heating and industrial steam and hot water supply
Thermal efficiency: ≥92%
Boiler capacity: 1 – 6t/h

The WNS horizontal internal combustion three-pass full wet-back boiler is fitted with a fully corrugated furnace, which increases the heat transfer area and bolsters stability. It is constructed using the full flange butt welding technique reducing thermal stress of the furnace. The tubes are welded to the tube plates using the ‘expand first, then weld’ technique, which eliminates corrosion problems and prolongs the lifespan of the boiler. The smoke tubes come with helical internal ribs which improve the heat exchange coefficient of the boiler. The WNS series are highly thermal efficient with low fuel consumptions. They have a high degree of automation, stable outputs, and are easy to maintain. The installation is relatively simple and less time consuming.

FEATURES

Broad bioparticle adaptability

100% corrugated furnace with large combustion chamber

Advanced engineering

Thermal efficiency ≥92%
Dual fuel design
Automatic control system

Low carbon footprint and eco-friendly

Compliant with national manufacturing specifications

Investment cost

Abundant fuel sources with stable prices
Automatic feeding system minimising human intervention
Only requires one operator

SPECIFICATION

Model
WNS1-1.0-BMF WNS2-1.25-BMF WNS3-1.25-BMF WNS4-1.25-SC|| WNS6-1.25-BMF
Specification Rated evaporation t/h 1 2 3 4 6
Rated steam pressure Mpa 1 1.25/1.6
Rated steam temperature 184 193/204
Rated water inlet temperature 20
Designed combustion exhaust temperature 160
Design thermal efficiency % ≥82
Fuel consumption kg/h 190 380 570 770 1140
Water volume L 2832 4520 6900 7300 7677
Heated surface
Ontology 24.5 50.6 81.9 100.7 162.3
Economizer(Fin-tube atmospheric pressure) 12.9 21 27 /
Economizer(Steel pipe atmospheric boiler) / 23 32
Pump Model QDL2-16 QDL4-18 QDL4-20 QDL8-19 QDL8-20
Input power Kw 3 4 7.5
Pipe Main steam valve diameter DN 50 80 100 125
Water inlet diameter DN 25 32 40
Safety valve diameter DN 50 65 50*2 65*2
Blowoff valve diameter mm 40 50 50*2
Chimney Φ 300 350 400 450 500
Overall size Weight t 4.6 7.6 11.2 12.5 17.6
Length mm 3840 4620 5136 5840 6334
WIdth mm 1760 1980 2300 2230 2432
Height mm 2064 2190 2718 2770 2872
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