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Wood Pellet Boilers

No Grate Wood Pellet Hot Water Boilers

Small traditional biomass hot water boiler is commonly used in vertical furnace and multi-pass design, the use of fixed grate or transmission grate. Coking fuel could not be used ...
Product Details

Wood-Pellet-Hot-Water-Boilers-2

Small traditional biomass hot water boiler is commonly used in vertical furnace and multi-pass design, the use of fixed grate or transmission grate. Coking fuel could not be used in fixed grate for a long time because combustion instability easily causes black smoke and pollute the environment. Mechanical movement transmission grate is with high failure frequency and short life, at the same time, the temperature of furnace is also limited. The maintenance of vertical small biomass boiler aftercare is a very big problem, so to solve small biomass boilers burning issues become an important subject for many years. Our company has successfully developed non-grate biomass boilers through years of research for biomass boilers in support of foreign experts.

wood-pellet-hot-water-boilers-drawing

Advantage of Biomass Wood Pellet Hot Water Boiler(no grate series)

1. Long time saving energy and patent structure

Overthrowing traditional vertical combustion chamber and heat exchange design, using horizontal furnace, patent heat exchanger structure and full time whirlwind patent technology. Working under specially designed air flow spraying, the furnace wall isn’t easy adherent tar blocks after long-term use. Using highly energy-saving tube, force smoke to spray the fire wall, greatly reduce block problem of furnace tube, heat efficiency of boiler is not reduced obviously after long time of using, long-term energy saving is the key to energy conservation. Biomass boiler maintenance cycle extend more than double, convenient maintenance.

2. No grate design, no coking

Utilizes advanced combustion invention patent technology, resolve the problem of short service life of the traditional grate boiler, no grate design is no longer need to solve the trace of coked fuel for transmission grate.

3. Complete combustion, No smoke

To reach best furnace combustion temperature, makes biomass fuel fully pyrolysis and gasification, better combustion effect, burning any biological molding fuel will be not smoke coming out. It is also not smoke when suddenly increase fuel.

4.  Safety

Preventing tempering structure, prevent reflux device, only biomass fuel into the furnace, high temperature air can’t get into silo,    The special feeding way stop the boiler silo catch fire easily.

5. Intelligent control system with touch screen and multiple monitor

Traditional biomass boiler only can monitor the water temperature, we adopt intelligent control technology with touch screen. Real-time monitor the water inlet temperature, water outlet temperature, fuel gas temperature, fuel in bunker, combustion chamber of boiler. After the date change, timely remind customer to maintenance, let user know more about the running state of boiler, real-time control energy saving date.

6. The internet control technology

First internet control technology for biomass boiler in China. Real-time monitor boiler as long as there is network. ( optional:  according to customers’ demand)

7. Elegant and durable

Boiler plate quality is far more than the national standard, longer
service life. Outsourcing uses galvanized plate, elegant and durable.

Layout Drawing of No Grate Wood Pellet Hot Water Boilers

wood-pellet-hot-water-boilers-layout-drawing

 

Working Video

Technical Date of Biomass Pellet

  1. Diameter: Φ6-10mm
  2. Length: 10mm-30mm
  3. Ash: less than 2%
  4. Calorific value: 4300kcal/kg-4500kcal/kg
  5. Moisture content: less than 7%

Parameter Table of Wood Pellet Hot Water Boilers

1).  Smaller Type Wood Pellet Hot Water Boilers

Model MVFW0.018 MVFW0.035 MVFW0.06 MVFW0.08 MVFW0.12 MVFW0.18
85/64-M 85/65-M 85/65-M 85/65-M 85/65-M 85/65-M
Rated Capacity(Btu) 60,000 119,000 200,000 270,000 400,000 600,000
Rated Capacity(Mw/h) 0.018 0.035 0.06 0.08 0.12 0.18
Rated Calorific Capacity (Kcal/h) 1.5×104 3×104 5×104 7×104 10×104 15×104
Theoretic Heating Area(S.M.) 80-150 150-280 300-400 400-600 600-800 800-1200
Thermal Efficiency 95%
Rated Outlet Temp. 85 celsius degree(185 F)
Operating pressure Atmospheric
Power Voltage (v) 220 220 220 220 220 380
Power(w) IDF 180 180 250 550 750 1500
Blower 120 120 180 250 370 250
Feeding 90
Igniter 2000 2000 2000 4000 4000 4000
Feeding reducer ratio(i) 250 150
Exhaust Flue Dia. (mm) 80 80 114 114 114 139
Water Inlet Caliber 1.5〞 1.5〞 1.5〞 2.0〞 2.0〞 2.5〞
Water Outlet Caliber 1.5〞 1.5〞 1.5〞 2.0〞 2.0〞 2.5〞
Drain out Caliber 1.5〞 1.5〞 1.5〞 2.0〞 2.0〞 2.5〞
Water Storage (kg) 240 280 350 380 450 560
Hoper Capacity (kg) 50 50 150 150 150 200
Fuel Consumption (kg/h) 3.8 7 12 17 24 36
Hot Water Output (t/h) 0.57 0.64 1.1 1.5 2.2 3.2
Boiler Proper Size (mm) L 600 800 1280 1330 1450 1750
W 460 460 550 550 600 670
H 1200 1200 1100 1300 1380 1420
Transportation Weight (kg) 210 252 393 509 590 642

 

2). Larger Type Wood Pellet Hot Water Boilers

Model MVFW0.24 MVFW0.35 MVFW0.48 MVFW0.7 MVFW1.05 MVFW1.4
85/65-M 85/65-M 85/65-M 85/65-M 85/65-M 85/65-M
Rated Capacity(Btu) 800,000 1,190,000 1,600,000 2,380,000 3,570,000 4,760,000
Rated Capacity(Mw/h) 0.24 0.35 0.48 0.7 1.05 1.4
Rated Calorific 20×104 30×104 40×104 60×104 90×104 120×104
Capacity (Kcal/h)
Theoretic Heating Area(S.M.) 1200-1600 1600-2400 2400-3200 3200-4800 4800-7000 7000-8600
Thermal Efficiency 95%
Rated Outlet Temp. 85 celsius degree(185 F)
Operating pressure Atmospheric
Power Voltage (v) 380 380 380 380 380 380
Power(w) IDF 1500 2200 2200 3000 5000 7500
Blower 250 370 370 750 750 1500
Feeding 90
Igniter 4000 4000 4000 4000 4000 4000
Exhaust Flue Dia.(mm) 159 159 159 219 273 300
Water Inlet Caliber 2.5〞 3.0〞 3.0〞 4〞 4〞 4〞
Water Outlet Caliber 2.5〞 3.0〞 3.0〞 4〞 4〞 4〞
Drain out Caliber 2.5〞 2.5〞 2.5〞 2.5〞 2.5〞 2.5〞
Water Storage (kg) 800 980 1100 1300 1950 2350
Hoper Capacity (kg) 200 200 200 280 280 280
Fuel Consumption (kg/h) 48 70 96 140 210 280
Hot Water Output (t/h) 4.3 6.4 8.5 12.8 19.1 25.5
Boiler Proper Size (mm) L 1860 2320 2320 2850 Φ1370 Ø1620
W 720 980 980 1150 Φ1370 Ø1620
H 1580 1760 1960 2210 2800 3500
Transportation Weight (kg) 1022 1428 1768 2229 3126 4138

 

Working Video of No Grate Wood Pellet Hot Water Boilers

Company Profile

Romiter Group concentrating on supply high efficient and high intelligent boiler for customer. Main products include diesel oil steam generator, gas steam generator, Wood pellet boilers, wood chips boilers, other biomass (wood dust, corncob, bagasse, rice husk, palm kernel shell) steam generator, unfired steam generator, electric steam generator, coal fired steam generator, coal water slurry steam generator, thermal oil heaters, thermal oil steam generators, water tube steam generators, coil tube steam generators, wood pellet hot air generator, coal fired hot air generatorheat recovery steam generator (HRSG).

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