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SZL Biomass steam boiler
SZL Biomass steam boiler
  • ModelSZL
  • FuelBiomass pelleted fuel
  • Capacity4.2~21 MW
  • Pressure1.0/1.25/1.6/2.5 Mpa
  • ApplicationThermal power plant, winter heating, central heating
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Product Detail Product introduction

  SZL series boilers are designed by our company's technical staff according to domestic and foreign advanced technology and experience designed horizontal double drum vertical set of chain furnace drain steam and hot water boilers. The technical, performance and environmental protection indicators of this series have reached the international advanced level and are the leading products of the boiler industry.

  Boiler adopts quick assembly or assembly structure. 4~6t/h is a quick-fill water pipe structure, which is delivered after the whole assembly in the factory; 6-35t/h is composed of two large and small parts. The upper part is the main heating surface, and the lower part is the combustion equipment. The front end of the boiler body is the upper part of the water wall, which is arranged around, and the lower part of the connection between the water drum and the header forms a combustion chamber to absorb the radiant heat of the furnace. The rear end of the boiler is arranged with dense convection tube bundles between the upper and lower drums, and the high-temperature smoke after combustion. After the gas passes through the secondary return stroke, the convective heating surface is laterally directed to the separately arranged economizer, and finally the dust collector is discharged through the chimney. The 20tb assembled water pipe saw furnace is composed of a forehearth, a post furnace, a convection pipe east, a governor, and a chain grate, and the wells are separately assembled to leave the factory.

Basic parameters The basic parameters
Basic technical parameters of SZL Biomass steam boiler
Specification SZL6-1.25-M(组)
SZL6-1.6-M
SZL6-2.45-M
SZL4.2-1.0/115/70-M
SZL8-1.25-M
SZL8-1.6-M
SZL8-2.45-M
SZL5.6-1.0/115/70-M
SZL5.6-1.25/130/70-M
SZL10-1.25-M
SZL10-1.6-M
SZL10-2.45-M
SZL7-1.0/115/70-M
SZL7-1.25/130/70-M
SZL20-1.25-M
SZL20-1.57-M
SZL20-2.45--M
SZL14-1.0/115/70-M
SZL14-1.25/130/70-M
SZL30-1.25-M
SZL30-1.57-M
SZL30-2.45--M
SZL21-1.0/115/70-M
SZL21-1.25/130/70-M
( t/h/MW)Rated evaporation capacity(supply heat) 6/4.2 10/7 15/10.5 20/14 30/21
(MPa)Rated pressure 1.25/1.6//2.45/1.0 1.25/1.6//2.45/1.0/1.25 1.25/1.6//2.45/1.0/1.25 1.25/1.6/2.45/1.0/1.25 1.25/1.6/2.45/1.0/1.25
(℃)Rated Steam temperature /Output water  temperature 194/204/225/115 194/204/225/115/130 194/204/225/115/130 194/204/225/115/130 194/204/225/115/130
(℃)Water supply temperature( return water temperature) 20/70 60/70 60/70 20/70 20/70
Heating area proper Radiation 24.5 26.1 23.4 61.5 109.21
Convection 119 184 227.9 346.2 549.8
(㎡)Economizer 130.8 130.8 244.16 472 330.4
(㎡)Effective area of great 7.62 10.5 11.8 20.8 28.1
Fuel available 生物质成型颗粒
Biomass
Fuel consumption 1122 1488 1860 3600 4340
Thermal efficiency 82.8 83.2 83.2 85.8 86
(t)Weight of bigest part for transportation 21 25 28 30 31
(m)(L×W×H)Overall dimension of boiler assembled 7.0×2.7×3.5 6.9×3.2×5.3 7.9×3.3×3.5 11×3.2×3.5 9.9×3.3×3.6
 
Note: Technical parameters are subject to change without notice.
Advantage The working principle of
  • The boiler absorbs the characteristics of the quick-loading boiler: It adopts the upper and lower two big parts factory, the upper part is composed of the boiler body, the upper furnace wall and the insulation layer, and the lower part is composed of the chain grate and the hopper. The installation is convenient and the cycle is short. Low cost;
  • The boiler has a compact structure, a small area, and an elegant appearance. The boiler room only needs to be arranged in a single layer, and the civil engineering investment is small;
  • The utility model has the advantages of simple operation, stable operation, rapid temperature rising and boosting, sufficient output, and wide application of materials;
  • Supporting complete auxiliary equipment, drums, induced draft fans, pumps, dust collectors, etc. can meet the boiler meet the requirements, a wide range of adjustment, convenient speed;
  • The boiler realizes water supply, feeding, grate operation, drum and wind control, overpressure (steam boiler), over-temperature (hot water boiler), high and low water level (steam boiler), water supply, grate operation, drum, Leading wind operation chain protection to ensure the safe operation of the boiler;
  • The boiler air supply adopts the warehouse type double air supply device, each plenum can be independently adjusted, and the leakage air is small in adjustability, so as to avoid the string wind and partial burn caused by uneven distribution of the air under the grate. Can better adapt to the requirements of the chain grate combustion characteristics;
  • High-strength large-scale furnace grate is adopted to avoid the fracture phenomenon of the grate and reduce the leakage loss.
Case Successful cases
Project: Danyang Auxiliary Chemical Plant & 5 million kcal YY(Q)W Thermal Fluid Heater Project Customer: Danyang Auxiliary Chemical Co., Ltd. Company profile: Domestic high-level auxiliary chemical plant Project type: Complete Project (Supply boiler, auxiliary equipment, installation and commissioning) Address: Dangyang Zhenjiang Matched boiler: YY(Q)W-6000Y(Q) Boiler Medium: OIL Rated evaporation: 5million kcal
Cooperative Client: Shandong Honghai Chemical Co., LTD Type:Gas/Oil-Fired Thermal Fluid Heater Model: YQL-17500Q Thermal Fluid Heater Thermal Power: 15 million kcal Location: Shandong Application: Petrochemical Industry
Cooperative Client: Pteris Global (Vietnam) Co., LTD Type:Coal-Fired Thermal Fluid Heaters Model: YLW-17500M Thermal Fluid Heater Thermal Power: 15 million kcal Location: Vietnam Application: Mechanical equipment
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