Biomass pellet fuel is a major scientific research achievement in fuel application. It uses all waste crops such as straw, rice stalks, fuelwood, wood chips, peanut hulls, melon seed hulls, beet scallions, bark, etc., which are crushed and mixed. -Extrusion-drying process, it is best to make pelletized fuel. Its raw materials are widely distributed, the processing technology is advanced, and the biomass energy pellets are known for its green coal, which is a kind of clean energy. As a fuel for biomass steam boilers, it has a long burning time, high temperature in the enhanced combustion furnace, and is economical. At the same time, it does not pollute the environment. It can replace firewood, coal, and natural gas. It is an environmentally friendly product with high efficiency and energy saving.
DZL steam boiler is a horizontal three-pass water-fire tube boiler. Two fire tubes are arranged in the drum, and the two sides of the furnace are equipped with light-tube water-cooled wall tubes; the light chain grate is used for the combustion to realize mechanical feeding, and it is equipped with drums and induced draft fans to realize mechanical ventilation. The fuel falls from the coal hopper onto the grate, and then enters the hearth with the grate and burns. The flue gas passes through the combustion chamber on the upper part of the back arch, from the combustion chamber upwards through the rear shed tube smoke chamber into the first tube bundle to the front smoke box, and then from the front smoke box. The box is folded into the second beam to the rear smoke box, drawn into the flue, dust collector and chimney through the induced draft fan, and finally discharged to the atmosphere.
The boiler product has a high level of automation, with automatic boiler feed water adjustment, high and low water level alarms, low water level interlocking protection, and interlocking protection for induced and blower fans. The operation of coal loading and slagging of the boiler is mechanized, and the auxiliary equipment is complete.
There is an economizer at the tail of the biomass boiler. The removed ash and slag can be directly used as farmyard manure, which is a high-efficiency, energy-saving and environmentally friendly product. Equipped with a blower for mechanical ventilation, and equipped with a screw slagging machine to achieve mechanical slagging, complete control and monitoring instruments, and safe and reliable operation of the boiler.
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