Wastewood boilerfuel waste wood has the following three benefits:(1) It can turn waste into treasure and make full use of waste resources. Waste wood is rich in carbon, has little or no sulfur, and has low nitrogen content, so the emissions of sulfur compounds and nitrogen oxides after combustion are very low, thus reducing the erosion of crops by acid rain and the effect of nitrogen oxides on the atmosphere. Pollution.(2) Low ash content. Minimize the amount and effectively reduce the ash discharge and the resulting site occupation and pollution to water sources and soil.(3) Renewable. Wood is a renewable and renewable fuel, which provides a demand for the establishment of wood plantations.

The technical characteristics and advantages ofbiomass steam boiler: 1. Combustion system: The combination of positive and negative pressure is adopted, combustion and gasification are combined, and the design principle of mechanical supercharging and forced combustion is adopted. 2. Feeding system: It adopts adjustable shaftless inclined-pull 45° feeding and shaft-driven air blowing feeding, which has the characteristics of no tempering, no material jamming, low failure rate, uniform feeding and no dead angle. 3. Control system: The control board made by integrated circuit is adopted, which has good stability, high degree of automation, one-button operation, and no need for special guards.

The production process ofbiomass boiler pellet fuelproduction:1. Raw material yard: The raw material is mainly sawdust.2. Screening: The raw materials are conveyed to the screening machine through the conveyor for screening, and the larger wood blocks or iron nails and other debris are removed.3. Drying: The biomass briquette fuel has strict requirements on the moisture content of the raw material. After the raw material is screened, it is transported to the dryer through the conveyor and dried by hot air.4. Cyclone separation: After the raw materials are dried and conveyed, there is a large amount of moisture after passing through, and the moisture is discharged through the cyclone separator.5. Material conveying: The logistics conveying of this system requires corresponding conveying equipment.6. Pelletizing and molding: The biomass pellet fuel molding machine is the key equipment of the production line. It is a 485-type biomass pellet fuel pelletizing machine identified by the Ministry of Agriculture. The power is 96kW and the output can reach 1.5 tons/hour.7. Cooling: When the biomass is discharged, the temperature of the pellet fuel is as high as 80~90 °C, the structure is relatively loose, and it is easy to break. into the silo.8. Screening: Screen the cooled pellet fuel, because after screening, the scraps can be screened out to ensure the quality of the biomass pellet fuel. The screened scraps are returned to the previous process for re-granulation.9. Finished product warehouse: The processed finished product particles are sent to the finished product warehouse by the elevator to prepare for bagging and storage.10. Bagging and storage: The packaging conveyor is used for measurement and tape packaging, and then sent to the finished product warehouse.11. Silo system: According to the user's own needs, bulk material transportation can be used, that is, the finished product silo directly sends the pellet fuel to the silo through the belt conveyor and the hoist for storage, and the pellet fuel is directly sent to the user by the car.

High-efficiency and energy-saving back-burning furnace (straw boiler) generally refers to a double-layer grate boiler. From a structural point of view, a back-burning furnace generally has a layer of water-cooled grate and a layer of fixed grate.Because it has two layers of grate, the furnace is divided into three space parts, upper part: water-cooled grate coal-filled combustion ventilation area, middle: high-temperature burn-out area of the furnace chamber of the double-layer grate; bottom: ventilation of fixed grate falling ash Area. Before use, the upper furnace door should be fully opened for ventilation, the middle furnace door should be tightly closed, and the lower ash door should be slightly opened to ensure full combustion of the fixed grate and the combustible gas in the furnace. This is the general use requirement of the rice-burning boiler, and the body operation should be properly adjusted according to the specific conditions of the boiler combustion.