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directive ec on boilers for heating on solid fuels up to nominal power kw en 303 5

Product Thermal Capacity: 1 - 20 t/h

Working Pressure: 0.7 - 2 Mpa

Available Fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Available Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

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Introduction of WNS gas / oil fired steam boiler:

WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.

Technical advantages:

1. Digitized manufacture
The key part such as material cutting, rolling, drilling are proceeded by advanced CNC machining process to reduce the assemble stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine and looks tidy and beautiful.

2.Easy operation and maintenance
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.

3. Longer working life
Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boilers working life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint will have 100% radiographic inspection.
Fin tube us ND steel or stainless-steel material which avoid low temperature corrosion.
Inspection procedure point is set up to guarantee the sequence of expanding and welding, avoid cracking of the tube sheet holes.

4. Less fuel consumption
High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ to control heat lost.
Sufficient steam storage room and heating area makes boiler to generate high quality steam and high thermal power.
Condenser is added to reuse the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce emission temperature, which can increase the thermal efficiency above 98% and save operating cost.

DIN EN 303-5 E : 2012 | HEATING BOILERS - PART 5: HEATI

buy din en 303-5 e : 2012 heating boilers - part 5: heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kw - terminology, requirements, testing and marking from sai global

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At the EU level, the European standard EN-303-5, ‘Heating boilers for solid fuels, manually and automatically stocked, nominal heat output up to 300 kW – Terminology, requirements, testing and marketing’ was published in 1999.

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Solid fuel boilers, including solid fuel cogeneration boilers Test CEN EN303-5:2012 Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW — Terminology, requirements and marking*, 5.7 Conducting the boiler performance test, 5.8 Determination of the heat output and efficiency of the

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EN 303-5:2012 Heating boilers. Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW. Terminology, requirements, testing and marking Google Scholar

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directive ec on machinery (2006/42/ec); directive ec on low-voltage equipment (2014/35/es); directive ec on electromagnetic compatibility (2014/30/es); directive ec on boilers for heating on solid fuels up to nominal power kw; en 303-5

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3.1 FUELS Many different solid, liquid, and gaseous fuels are fired in boilers. Sometimes, combinations of fuels are used to reduce emissions or improve boiler performance. Fuels commonly fired in boilers include fossil, biomass, and RDFs as well as other types of fuels and fuel combinations.

CEN - EN 303-5 - Heating boilers - Part 5: Heating boile

Find the most up-to-date version of EN 303-5 at Engineering360. CEN - EN 303-5 Heating boilers - Part 5: Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW - Terminology, requirements, testing and marking

EUR-Lex - 52017XC0310(03) - EN - EUR-L

Solid fuel boilers, including condensing boilers and solid fuel cogeneration boilers. General conditions for testing. CEN. EN303-5:2012 Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW — Terminology, requirements and marking, 5.7 Conducting the boiler performance test

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directive ec on boilers for heating on solid fuels up to nominal power kw; en 303-5 Biodom 33 | instructions for use, maintenance and installation | version 1.0 July 2017 6

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* EN 303-5-2012, Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW * EN 303-6--2000, Heating boilers with forced draught burners, Specific requirements for the domestic hot water operation of combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kW * EN 303-7

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