Rice husk fired steam boiler of 4 ton capacity description The DZL/DZH series boiler are the new water-fire tube singel drum coal/wood fired boiler. Eco-friendly and energy-saving product co-developed by our company and famous Harbin institute of Technology and director of Beijing Institute of Light Boiler. 1.Boiler model:DZL/DZH 2.Boiler capacity:1-20ton/h 3.Pressure:1.0Mpa(10bar),1.25Mpa(13bar),1.6Mpa(16bar),2.5Mpa(25bar) 4.Steam temperature:184 °c,194°c, 204°c,226°c(As long as below 226°c,we can do it) 5.Fuel:coal,biomass 6.Structure:horizontal water-fire tube, single drum 7.Type:There are two types.One is DZL chain grate stoker automatic feeding fuel and removing dregs type. Another is DZH hand operated moving grate type which needs labour to feed fuel and remove the dregs. 8.Application:Medicine, chemical, light industry, textile, building material, cultivation, food and beverage, plastic foam, printing, dyeing and washing, rubber processing, paper products,wood processing, hotel, clothing and leather manufacturer etc. The features of Rice husk fired steam boiler of 4 ton capacity Screw thread pipe Function: strengthen heating transfer,reduce the quantity of pipe and decrease the shell size Purpose: save steel material,no dust,improve flexibility,prevent tube plate cracking Convex tube plate Function: improve tube plate flexibility,so as to reduce the heating stress of welded sew at the pipe end Purpose: prevent tube plate cracking, cancel bracing,simplify the structure Optimized design CAD Function: Choose the best furnace from dozens of options Purpose: improve economical efficiency New pattern of furnace arch Function: strengthen the combustion ,strong adaptability of coal quality Purpose: Improve combustion efficiency Smoke and dust separator chamber Function: Separate smoke and dust according to inertia Purpose: reduce the original effluent concentration of soot Return water eject to the high temperature tube plate Function: Improve the flow rate of high temperature tube plate and prevent subcooled boiling Purpose: prevent the tube plate cracking Large size of simple circulation loop drop pipe and lower set box Function: Increase the flow rate of water on water cooling wall in order to prevent subcooled boiling Purpose: To prevent pipe explosion,Increase the reliability of water cycle