Coal fired steam boiler can be used for bituminous coal, lean coal, anthracite and other fuels, fire control adaptability. Coal fired boilers advantage have many, and the application industries are distributed in heating, chemical industry, food, tobacco, textile, printing and dyeing, feed, medicine, building materials, brewing, rubber, hospital and other industries. The boiler body of this series is longitudinal arrangement of single cylinder, and the screw pyrotechnics tube is arranged in the cylinder to form the convection heating surface, and the cylinder and the water wall on both sides are formed to form the radiant heating surface of the furnace. Combustion equipment using light chain grate, the overall form of quick installation factory. Welcome users to consult.
DZL series steam boilers have obvious technical advantages and adopt numerical control manufacturing technology. The key processing technology of the boiler steel plate blanking, ring, drum, tube plate drilling and so on all adopt advanced numerical control processing to reduce the assembly stress and extend the service life of the boiler. Steel pipe cutting, screw pipe pressing, convection pipe processing all adopt advanced numerical control technology. Adopt arch tube plate and screw pipe structure, increase heat conduction, completely solve the crack problem of the back tube plate.
At the same time, this series of coal-fired boilers also adopt advanced welding technology. The boiler longitudinal and circumferential seam welding adopts advanced submerged arc automatic welding technology to ensure the welding quality. All longitudinal and circumferential welds are 100% radiometric inspection. The welding process of smoke pipe and tube plate is preexpanding to eliminate the gap between tube and tube plate, and then automatic argon arc welding. Coal fired boilers advantage have obvious, which can effectively eliminate stress and prolong the service life of boilers. Pipe seat flange welding, using robot welding. The chain grate is manufactured by our factory, and the test run is 72 hours before leaving the factory to ensure that the tightness of the grate is moderate and does not deviate.
DZL series coal fired steam boiler manufacturing technology advanced, using automatic spinning line operation. Enhance heat transfer and improve boiler thermal efficiency. Set up the unique structure design, carry on the furnace flue gas disturbance, ensure the volatiles combustion completely. The air volume accounts for about 30% of the total air volume, and the wind speed is about 50m³/s. Set independent secondary fan, and the air volume and pressure are easy to control and adjust. The high temperature flue gas produced by the combustion of coal fired steam boiler first enters the eight-shaped flue on both sides of the body from the tail, (at this time it is water-pipe type), and the flue gas flows outside the pipe. The flue gas cooled by the eight flue passes into the threaded pipe arranged in the drum by the front smoke box (at this time, it is the fire pipe). It is discharged from the rear smoke box. This design fundamentally solves the cracking problem of the tube plate of the pure fire tube boiler.
Coal fired boilers advantage have prominent, adopt a number of advanced production technologies, and have a high degree of mechanization and automation. Zozen Boilers produce various types of industrial Boilers, automatic operation, effective labor saving, suitable for many industries, to provide a full set of boiler solutions for many users. The boiler products manufactured by our factory are of high quality, stable and reliable operation, and guaranteed before and after sales. We can also provide one-to-one customized service for the boiler according to the actual needs of the users. We can consider the needs of the users from all aspects and solve the problems of the users comprehensively.
