Coal-fired steam boiler is indispensable industrial heating equipment in the process of industrial development. However, with the improvement of environmental protection standards, the application of coal fired boilers has relatively begun to decrease. However, there is still a great demand for large coal fired boilers in many areas. Steam boilers heat water by burning fuel. They are usually used in industrial production lines to provide heat sources, mainly in chemical, building materials, textile, pharmaceutical, food and other industries. Of course, it can also be used for heating, but it is usually used in small workshops, hospitals, schools, etc.
Coal-fired boilers produced by ZOZEN are mainly divided into two types. One is the chain grate coal fired boiler, which is mainly composed of combustion system, soda water system, control system and air smoke system, etc. The boiler equipment has low investment and wide application. The other is a circulating fluidized bed boiler using fluidized combustion, the main structure includes combustion chamber and circulation loop two large parts, low nitrogen environmental protection, environmental protection is comparable to the gas boiler, thermal efficiency is higher than the chain type coal fired boiler.
DZL series package boiler is a horizontal 3 pass chain grate boiler, which uses medium bituminous coal as fuel. The boiler body is arranged longitudinally for a single boiler barrel, and the convection heating surface is formed by the threaded firework pipe inside the boiler barrel, and the radiation heating surface of the furnace is formed by the boiler barrel and the water cooling walls on both sides. The combustion equipment adopts light chain grate; the whole fast installation form leaves the factory. Electric control realizes stepless speed regulation, limit parameter alarm and interlock protection.
SHX series fluidized bed steam boiler is the fourth generation of ZOZEN internal circulation steam boiler. The sales volume of this kind of boiler in ZOZEN’s CFB boiler furnace has been very high. Whether SHX 25 ton steam boiler or SHX 40 ton steam boiler, it is the hot selling capacity of this kind of fluidized bed boiler. In fact, we do not understand the definition of circulating fluidized bed boiler, ZOZEN to the boiler has internal and external circulation, and 25 tons of fluidized bed boiler application, the internal circulation is very much.
ZOZEN SZL series boiler adopts the pre-assembled structure. The overall boiler structure is compact and the on-site installation is convenient. The installation of boiler system mainly refers to the construction of boiler room and installation of boiler auxiliaries. In order to ensure the installation progress and quality, ZOZEN engineers stationed at the boiler project site in Afghanistan for 2 months to complete the boiler installation and commissioning work.
ZOZEN coal-fired boiler is widely applicable to bituminous coal, anthracite, lean coal, lignite and other kinds of coal; At the same time, special grate plate is selected to ensure the smooth operation of grate; Combustion air system (base) adopts independent compartment and scientific sealing structure; Reasonable air regulating device to achieve accurate air distribution, improve combustion efficiency; Can effectively control NOx emissions.