energy saving chain grate biomass fired steam boiler

Overview of Bagasse Fired Steam Boiler

Bagasse fired steam boiler takes bagasse as its fuel is a new type biomass steam boiler, and it can also take firewood,rice husks, straw, corn cob and other biomass energy as its fuels. It has a flexible fuel adjustment, not only the biomass energy, but also all other solid energy such as coal can be its fuel.

Recently, Jinan City issued a "supplementary notice on accelerating the city's boiler-depth treatment of work-related" and formulated the following objectives.

I, on the in-depth treatment of boiler completion time. Low Nitrogen transformation and the transformation of the city's ultra-low emission gas-fired boiler biomass boiler to complete the appropriate time to relax, and strive to be completed in the end of June 2019, due to the commitment of heating (cooling) or involving people's livelihood and other support complex transformation process of the boiler furnace, indeed practical difficulties, completion time may be extended to the end of October 2019.

Second, on the in-depth treatment boiler standards. According to the "program tackling autumn and winter", the low nitrogen gas boiler after transformation, in principle, is not higher than the concentration of nitrogen oxides emissions of 50mg / m³, according to encourage the transformation of 30mg / m³. Encourage the transformation of biomass boiler with ultra low emissions coal-fired power plants.

Third, on the time-depth treatment of boiler arrangement. 2018 10 completed before the end inventory information verification, planning work; organize the implementation of the completion of the work before the end of May 2019; the end of June 2019 to complete the inspection work (due to heating and other disabled do not have to bear the acceptance conditions, available at the end of November 2019 before the completion of acceptance).

Fourth, on the information submitted to the work. Please ring the economy Zi [2018] No. 175 document complements the "Jinan City gas boiler investigation Summary Sheet" on or before October 12, "Jinan biomass boiler investigation Summary Table" to the Municipal Environmental Protection Bureau. On or before October 26, the "Jinan City Boiler depth management plan summary table", "Jinan hole sampling and sampling platform standardization construction unit summary table" and has completed the in-depth treatment of the boiler reconstruction proved supervisory monitoring report submitted to the Municipal Environmental Protection Bureau . Since the beginning of November, every Friday morning before 10:00 (for the first time submitted November 2) the progress of reform in-depth treatment of each unit case to the Municipal Environmental Protection Bureau.

What a energy saving chain grate biomass fired steam boiler performance was uneven heat? The following is a non-uniformity reasons: 1, non-uniform heat absorption of the steam boiler. Closely related to the arrangement, operation mode and the type of fuel causes nonuniform heat absorption of the burner. Uneven temperature distribution in the furnace, the heat causes a small load intensity of each furnace waterwall. In general, in the case where the same type of fuel, the heat load distribution in the furnace slagging liquid much larger than the heat load distribution in the furnace slagging solid. Fuel burner heat load is larger than the unevenness of the uneven heat load fired furnace, hot offset vertical tube panel screen than the horizontal tube thermal excursions. DC endothermic steam boiler unevenness different from the natural circulation steam boiler. Natural circulation steam boiler having a heat compensation characteristics, can play a major role in reducing thermal excursions, but the evaporator heating surface in direct steam boiler, heat absorption for larger tube, because the steam generation amount of the inner tube, large capacity . Increase the resistance, the flow rate of the steam pipe is reduced. Conversely, increasing the flow rate of weak heating pipes. Therefore, the DC steam boiler evaporator heating surface will not only cause non-uniform endothermic thermal excursions, but also to expand the non-uniform heat flow by influencing the deviation. 2. The flow rate of the steam boiler is not uniform. Electric heating boiler and the boiler is mainly composed of electric control box and control system. Its characteristics are environmentally friendly, clean, no pollution, no noise, automatic, with limited energy and reduce prices significantly, as a new boiler electric heating boiler equipment increasingly being recognized. Electric heating the core member is electrically heated boiler, directly determines the life of the boiler, to select a non-metallic electrical heating tube (such as a ceramic heating pipe), because it is resistant to the load, a long life, and a water separation structure, the boiler Wing no leakage. Biomass boiler is a kind of boiler to biomass energy as a boiler fuel called biomass boilers, steam boilers into biomass, biomass hot water boiler, biomass stove, biomass thermal oil heaters, vertical raw biomass boilers, biomass boilers and other horizontal. Different resistance to flow parallel to the tubes of the evaporator heating surface, and a change in pressure along the length of the header, and the difference in weight between the head tube and the tube will lead to non-uniform flow. Variation on the thermal flow resistance. Since the structure of the steam pipe, the quality, of different length, diameter, roughness and curvature, the flow resistance is different. Under the same pressure, the flow resistance can cause uneven. When the thermal head 2 in the high-pressure variation in the vertical riser screen, since the height of the larger screen, parallel tubes uneven heating, density vary greatly, it should consider the impact ram repositioning. When high heat load single tubes, the tube bundle of the flow decreases. However, due to the reduced density of the working fluid within the tube and the weight of the head is reduced, the flow rate increases. Accordingly, high pressure water is advantageous to reduce thermal excursions.

Fluidized Bed Combustion (FBC) energy saving chain grate biomass fired steam boiler

Fluidized bed combustion (FBC) steam boiler for biomass boiler has emerged as a viable alternative and has significant advantages over conventional firing system and offers multiple benefits–compact boiler design, fuel flexibility, higher combustion efficiency and reduced emission of noxious pollutants such as SOx and NOx. The fuels burnt in these boilers include coal, washery rejects, rice husk, bagasse & other agricultural wastes. The 15ton hour coal fired fluidized bed boilers have a wide capacity range- 0.5 T/hr to over 100 T/hr.

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