SZL Coal-Fired Hot Water Boiler

Thermal Power:

2.8 - 17.5 MW

Working Pressure:

0.7 - 1.6 MPa

Outlet Water Temperature:

95 - 130 °C

Inlet Water Temperature:

70 °C

szl-coalwaterboiler

Product Introduction

The SZL type chain grate boiler features high efficiency, strong overload capacity, and wide coal adaptability. This boiler mainly consists of upper and lower drums, convection tubes, water-cooled walls, downcomers, and headers, with longitudinal arrangement of the drums. The combustion equipment adopts chain belt-type chain grate driven by a stepless speed device. The boiler body is composed of longitudinal upper and lower drums and convection tube bundles. Water-cooled walls are arranged around the combustion chamber, with the front and rear arches formed by refractory castables supported by water-cooled walls, resulting in longer arch service life. The sides of the body use a full membrane water-cooled wall structure, providing excellent sealing, minimal heat loss, and ensuring safe and efficient boiler operation.

compatibility

Strong Fuel Compatibility

  • Wide fuel adaptability
  • Suitable for bituminous coal, anthracite, lignite, etc.
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High-Efficiency Heat Transfer Design

  • Advanced threaded smoke tube structure
  • High heat transfer coefficient
  • Minimal heat loss
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Smart Control, Cost Saving

  • Advanced control system
  • Optimal model selection
  • Saves investment costs while ensuring stable operation
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Efficient, Durable, and Long-Lasting

  • High thermal efficiency
  • High combustion efficiency
  • Strong output
  • Long service life

Product Specifications

Model Rated Thermal Power (MW) Rated Working Pressure (Mpa) Outlet Water Temperature (°C) Inlet Water Temperature (°C)
SZL2.8-0.7/95/70 2.8 0.7 95 70
SZL4.2-0.7/95/70 4.2 0.7 95 70
SZL7-1.25/115/70 7 1.25 115 70
SZL10.5-1.25/115/70 10.5 1.25 115 70
SZL14-1.25/115/70 14 1.25 115 70
SZL14-1.6/130/70 14 1.6 130 70
SZL17.5-1.25/115/70 17.5 1.25 115 70
SZL17.5-1.6/130/70 17.5 1.6 130 70
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