DHL series coal-fired steam boiler

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Our coal-fired chain grate boilers and coal-fired fluidized bed boilers mainly produce hot water, saturated steam or superheated steam for industrial use. Coal-fired boilers have lower operating costs – nearly 50% lower than boilers using oil or natural gas.

Address: No. 76, Xin Da Road, Zhou tie Town, Yixing, Wuxi, China
E-mail: [email protected]
Phone: +86-13506151331

Introduction

DHL series coal-fired steam boiler is a large-capacity angle tube chain grate boiler with high efficiency combustion and low pollution discharge produced by ZG boiler. This product has a capacity range of 20-170 tons per hour.

For large companies that require large amounts of industrial hot water or steam to meet their production needs. DHL series corner tube coal-fired steam boiler can be used as a heat source host for central heating in cities and industrial and mining enterprises, and also as a power generation boiler for power plants.

Benefits

Benefits
  • The boiler is provided with herringbone front and back arches. By reasonably matching the front and back arches, the ignition and combustion of coal can be more effectively improved, thus meeting the requirements of burning various kinds of coal.
  • The combustion equipment is a coal-leakage-free finned chain grate.
  • The heating surface is designed reasonably, and a coal economizer and an air preheater are mounted at the tail of the boiler, to reduce the smoke exhaust temperature and increase the air intake temperature, thus utilizing thermal energy reasonably and efficiently.
  • The boiler has a larger water capacity, to adapt to a large variation range.
  • Construction

    Construction
  • The boiler features easy ignition, high furnace temperature, excellent thermal insulation properties and strong coal combustion completeness, and has the coal residue carbon content of less than 10%, thus realizing high thermal efficiency and strong overload capacity (generally 10% overload in lower altitudes).
  • With light furnace walls and a steel-frame-free structure, the boiler has the total weight that is only equivalent to a half of that of field-assembled boilers with the same model, thus greatly reducing civil engineering investments of boiler houses.
  • The angular tube boiler adopts a modular design philosophy, namely water tube systems are delivered out of the factory with bulk slices and assembled on site, thus greatly shortening the installation period.
  • The output and thermal efficiency of the boiler are not decreased with the extension of time. The angular tube boiler will bring extremely high economic benefits to users.
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