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Steam Boiler

DZL horizontal coal-fired (biomass) chain steam boiler

DZL horizontal coal-fired (biomass) chain steam boiler

DZL type chain grate boiler is a horizontal three-return water-fire tube mixed boiler, in which a bundle of threaded tobacco pipes is arranged. A light pipe water cooling wall is installed on the left and right sides of the furnace. It adopts light chain grate to realize mechanical coal feeding, equipped with blower and induced draft fan for mechanical ventilation, and equipped with scraper type slag discharging machine to realize automatic slag discharging. The front and rear arches of the furnace adopt a new energy-saving technology furnace arch. The fuel falls from the coal hopper to the grate, and after entering the furnace, the flame is refracted upwards and then turned to the front smoke box through the combustion chambers on both sides of the body, and then the front smoke box is folded back into the inner tube bundle, and the rear smoke box is passed. Enter the economizer, then draw by the induced draft fan through the flue to the chimney to the atmosphere.
Performance characteristics:
1. The thermal efficiency of the boiler is above 77%, which is higher than the standard of General Technical Conditions for Industrial Boilers.
2. The operation realized mechanization and reduced the labor intensity of the furnace workers.
3. Quickly install the factory, after the use of the site, install the valve instrument, drum, induced draft fan, flue gas duct, economizer, dust collector, slag machine. The coal machine and water circuit can be operated, and it has the characteristics of quick start and fire.
4. Easy installation and movement can save a lot of infrastructure investment.
5, burning coal, low calorific value ≥ 17750J / Kg, volatile matter > 38.5%, ash content ≤ 32.4% of the second type of bituminous coal.

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