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SZL Series Biomass Chain Grate  Boiler

SZL Series Biomass Chain Grate Boiler

  • Type:Steam丨Hot Water Boiler
  • Capacity: 6 - 25Ton / 4.2 - 17.5MW
  • Pressure:≤1.6MPa (16bar)
  • Fuel:Biomass Fuel, Rice Husk, Bagasse
  • Application:Central Heating, Industrial Process Steam Supply

Overview

Brief Introduction:tx7Industrial Steam Boiler
tx7Industrial Steam Boiler

SZL series biomass chain grate boilers with high efficiency, strong overload capacity and various fuel adaptability (biomass pallet or coal), are well known as the best design among contemporary domestic similar products and have reached the world's advanced level. The boiler is mainly composed of upper and lower drums, convection tubes, water-cooling wall tubes, down pipes and headers. The upper and lower drums are arranged longitudinally and with belt type chain grate as its combustion equipment and non-polar speed-changing device drivers. The boiler proper is composed of upper and lower longitudinal drums and convection tubes. With the arrangement of the Φ51*3 pipes in the combustion chamber as the water-cooling wall, water-steam separation device and continuous sewage device in the upper drum and periodical sewage device in the lower drum for assure steam quality. Equipped continuous automatic feeding water device for making sure that the boiler can be safely operated. The economizer is laid at the end of the boiler. tx7Industrial Steam Boiler

 tx7Industrial Steam Boiler

Biomass Fired Fuels Include:tx7Industrial Steam Boiler
tx7Industrial Steam Boiler

Shaped biomass fuel, sugarcane bagasse, rice husk and rice straw, coconut shell, palm kernel shell(pks), peanut shell, agricultural waste, wood pellet/chips, sawdust, coal,biomass, co-firing.tx7Industrial Steam Boiler

 tx7Industrial Steam Boiler

Application:tx7Industrial Steam Boiler
tx7Industrial Steam Boiler

It is mainly used for heating supply in winter, central heating supply and industrial process steam supply.tx7Industrial Steam Boiler

 tx7Industrial Steam Boiler

 tx7Industrial Steam Boiler

Benefit

1.By adopting the water-cooling system in packaged boilers which is usually used in power plant boilers, the boiler can achieve large heat transfer area, high heat transfer efficiency, low heat loss, good air tightness, and no distortion or dust leakage of the brickwork.

2.The front and back water-cooling wall tubes stretch themselves to the upper side of the chain grate, which increases the heating surface and overload capacity. The frames of the front and the rear arch are made of water-cooling tube wall, together with high-alumina cement, which can avoid the defects of the cracking and collapsing of the arch and extend its lifespan.

3.The distance between the front shaft and the rear shaft of the grate stoker is longer than other similar type domestic products. In this way, the combustion time of the fuel in the furnace is extended and the fuel combustion is more sufficient and the carbon content in the slag is decreased. Meanwhile, the actual heating surface of the grate is increased and the overload capacity is remarkably enhanced.

4.There are six independent wind chambers arranged lengthways and each chamber has an independent air adjuster, which can respectively adjust the air volume in each chamber so as to achieve the best combustion effect.

Parameter

SZL series Biomass steam boiler

Model Rated Steam  Capacity

Rated Steam 

Pressure(bar)

Rated Steam 

Temperature (℃)

Rated Water 

Temperature (℃)

Fuel Type
t/h BHP
SZL4-2.5-AII 4 306 25 226 20 Biomass fuel,
Bituminous coal, 
Anthracite coal
SZL6-1.25-WIII 6 460 12.5 194 20
SZL8-1.25-AII 8 613 12.5 194 20
SZL10-1.25-AII 10 766 12.5 194 20
SZL12-1.25-AII 12 919.2 12.5 194 20
SZL15-1.25-AII 15 1149 12.5 194 105
SZL20-1.25-AII 20 1532 12.5 194 105
SZL25-1.25-AII 25 1915 12.5 194 105
SZL30-1.25-WIII 30 2298 12.5 194 105
SZL30-2.5-AII 30 2298 25 226 105

 

SZL series Biomass hot water boiler

Model Rated Steam Capacity

Rated Steam

Pressure(bar)

Rated Steam

Temperature(℃)

Rated Water

Temperature(℃)

Fuel Type
MW BHP
SZL7-1.0/95/70-AII 7 714 10 95 70

 

Biomass fuel,Bituminous coal,

Anthracite coa

SZL7-1.0/115/70-AII 7 714 10 115 70
SZL14-1.0/95/70-AII 14 1428 10 95 70
SZL14-1.25/115/70-AII 14 1428 12.5 115 70
SZL14-1.25/115/70-AIII 14 1428 12.5 115 70
SZL17.5-1.25/115/70-AII 17.5 1785 12.5 115 70

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