The water tube steam boiler combustion device adopts light chain grate and water wall to form combustion chamber. Thus increased the volume of the furnace, coal adaptability is good. 6t/h water tube boiler furnace is arranged in the low and long firebrick rear arch, can make the back of the grate to maintain a higher temperature. Conducive to the burning of slag. At the same time, the high temperature flue gas at the back of the grate is attracted to the front of the furnace, which is conducive to the heating of fuel. The mixed combustion of slag combustible products and air is beneficial to the reduction of fly ash combustible. Therefore, the thermal efficiency is higher.
DZL series water tube boilers are designed with multiple smoke partition walls between the convection tube bundles. After the flue gas in the combustion chamber enters the convection tube bundle, it is turned back many times. In the process of turning back the flue gas, the centrifugal force when the flue gas collides with the smoke blocking wall and tube bundle is used to form a vortex for dust removal. By adopting this measure, the initial exhaust dust concentration of the boiler is very low, and the smoke and dust removal is good, which is conducive to environmental protection. This series of boiler products adopt water pipe structure, flue gas is flushed horizontally, heat transfer is good, and strength is high. Both sides of the boiler are equipped with ash removal ports, which is conducive to inspection and maintenance.
The 6t/h water tube boiler adopts a uniform air tube type equal pressure air supply device, so that each air chamber can be independently adjusted. And along the width of the grate, the wind pressure is equal, the air leakage is small, and the adjustability is strong. It can better meet the requirements of the combustion characteristics of the chain grate. Our factory has advanced boiler processing and testing equipment. The board blanking is all cut by a shearing machine, which changes the disadvantages of the heat-affected zone of the original cutting blanking. The coiling adopts a large four-roller coiling machine to make its processing quality more reliable. All drum welding adopts automatic submerged arc welding, and adopts non-destructive testing to control the welding quality at all times. At the same time, our company also has more than 20 sets of advanced testing equipment to ensure the stable and reliable quality of each link.
DZL series boiler adopts advanced product structure and excellent product quality. The economic operation of boiler is guaranteed. Due to the use of water pipe structure, the thermal efficiency reached a higher level. The boiler design has high thermal efficiency and is conducive to energy saving. The boiler adopts light chain grate and transmission, easy to adjust, safe and reliable operation. The boiler adopts forced and natural parallel circulation mode, which can prevent the occurrence of steam water strike accident in the case of sudden power failure. Boiler ring effect is significant, low soot emission concentration, blackness of flue gas arrived, in line with the environmental protection requirements of a class of national use.
6t/h water tube boiler fuel from the coal hopper through the cinder door, after scraping slowly into the furnace with the grate fire combustion. The flue gas produced after combustion passes from the furnace to the convection heating system through the radiation heating system. From the convection tube bundle into the dust collector, and then by induced draft fan pumped through the chimney to the atmosphere. This boiler uses a threaded smoke tube. The heat transfer coefficient of the threaded smoke tube is twice as much as that of the smooth tube. And under the guarantee of high heat transfer coefficient, the optimization design is carried out. It has the characteristics of suitable flow resistance, no fouling, low wear and high strength.