DHL series coal fired boiler is a type of Angle tube chain grate, which can be used as the main source of heat source for central heating in cities and industrial and mining enterprises. It can also be used as peak heat power plant boiler to effectively regulate the operation of urban heat network. For industrial and mining enterprises that need a lot of process hot water, this series of DHL boilers can also meet their needs.
Coal-fired boilers adopt three patents of invention and two patents of utility models, such as “Flyash internal circulation fluidized reignition device based on high temperature separation”. It has high thermal efficiency, low operating cost, and can run without failure for a long time. DHL series coal fired boiler has low emission concentration at export, light weight, less investment in capital construction and sheet packing. The site installation workload is small, installation cycle is short, is a large capacity hot water boiler replacement products.
The boiler barrel of this series is of external type and the furnace is of fully closed membrane wall structure. Convection heating surface adopts air surface tube structure, no steel frame, unique and safe water circulation, rapid start. The boiler design is mainly double-layer arrangement, but also can use one-layer arrangement. Two vertical coal loading machines can also be used for separate coal loading, and also for combined coal conveying.
DHL series coal fired boiler body adopts lower support, suspended ceiling, heat resistant concrete light furnace wall, furnace top. Bearing by the column, the working medium of the boiler is mainly treated soft water. The designed return water temperature is 70℃, and the outlet temperature is 130℃. It can also operate according to the return water temperature of 90℃ and outlet water temperature of 150℃.
This series of industrial boilers are composed of boiler tube, furnace water cooling wall, external drop tube, chain grate, energy saving device and tubular air preheater. The drop tube of the coal-fired boiler is arranged on the four corners of the boiler, which not only serves as the water circulation channel, but also serves as the supporting frame of the boiler. ZOZEN Boilers specializing in the production of various types of boiler is committed to providing customers with high quality boiler service, welcome everyone to come to advisory procurement.
