Biomass pellet boilers mainly burn biomass fuels, and can also burn rice husks, palm husks, bagasse, wood chips, coconut husks, firewood, etc. to provide heat; it can be widely used in textiles, clothing, printing and dyeing, food, chemical industries, etc., ironing, Drying, heat treatment, steaming vegetables, steaming rice, supply of boiling water or hot water, disinfection, etc. in hotels, schools, hotels and enterprises and institutions.
This series of biomass fired boilers are single-drum quick-installed three-pass water-fire tube boilers with large heating surface and high thermal efficiency. The steam boiler has the advantages of compact structure, reasonable water circulation design, and quick start-up. The boiler adopts chain grate, which has a good effect and reduces the workload of installation and maintenance of the grate.
The gas distribution of the pellet steam boiler grate is reasonable, which is conducive to fuel burning and improving the efficiency of the whole machine. This series of boiler products adopt reasonable air distribution to increase the effective area of the grate and increase the degree of fuel burn. The steam quality of the product is high, and the steam dryness is over 96%.
The biomass steam boiler adopts a single-drum vertical water-fire tube shell boiler, and the combustion equipment is a movable grate. The water walls on the left and right sides of the furnace are radiant heating surfaces, and the two wings of the furnace are convective heating surfaces. Threaded smoke pipes are arranged in the drum, and the convective heating surface is used. , The outer side of the boiler host is a three-dimensional protective plate shell.
The boiler adopts an arched tube sheet and a threaded smoke tube to form a boiler barrel, thereby changing the boiler barrel from a quasi-steel body to a quasi-elastomeric structure, eliminating the bracing parts in the tube plate area and reducing stress. The smoke pipe in the tube sheet is changed from two-pass to single-pass to solve the problem of tube sheet cracks. Because the rising pipe row is arranged at the lower part of the drum, the dead water area at the bottom of the drum is eliminated, and the sludge is not easy to deposit. The high-temperature area of the drum can be well cooled, preventing the bulge in the lower part of the drum.
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