Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, and CO2 tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and HVAC equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
Biomass boiler drying oven refers to the process of using a biomass boiler for drying oven heating. The following are the brief steps:
Prepare Fuel: Select suitable biomass fuel, such as wood chips, straw, etc., and perform pretreatment, like drying and sieving, to ensure fuel quality and meet the requirements of the oven.
Ignition and Ignition Adjustment: Place the fuel into the combustion chamber of the biomass boiler, ignite it, and perform ignition adjustment. The ignition adjustment involves adjusting parameters such as the oxygen supply to the combustion chamber, fuel supply, and combustion temperature to ensure stable combustion.
Heating and Temperature Control: As fuel burns, biomass boilers produce high-temperature flue gas. This flue gas transfers its heat energy to the drying furnace through a heat exchanger. During the heating process, it is necessary to control the temperature of the drying furnace to ensure that the material inside receives adequate heating.
Furnace Operation and Monitoring: During the furnace heating process, operation and monitoring are required. Operations include controlling fuel supply, heat transfer, and the movement of materials inside the furnace. Monitoring involves tracking parameters such as furnace temperature, pressure, and combustion efficiency to ensure normal operation and safety.
Furnace shutdown and cleaning: Once the furnace heating is complete or the desired effect is achieved, stop the fuel supply and heating, and perform the furnace shutdown procedure. Afterward, clean the furnace and biomass boiler, including the ash and soot in the combustion chamber and flue, to maintain the cleanliness and proper operation of the equipment.

To enhance the thermal efficiency of biomass boilers, the following measures can be taken:
Optimize the combustion system: Ensure the biomass boiler's combustion system operates effectively and efficiently. Adoptable combustion technologies, such as fluidized bed combustion and chain grate combustion, can enhance combustion efficiency and thermal energy utilization.
Control Fuel Quality: Select biomass fuels by volume, such as dried sawdust, straw, etc., and avoid fuels with high moisture content. High-moisture fuels consume additional heat for evaporation, reducing combustion efficiency.
Adjust fuel supply rationally: Regulate the amount of fuel supply according to actual needs, avoiding both over-supply and under-supply. Over-supply leads to fuel waste, while under-supply affects combustion efficiency.
Control combustion temperature: Maintain an appropriate range of combustion temperature to avoid excessively high or low temperatures. Excessively high combustion temperatures can lead to heat loss in the fuel, while excessively low temperatures can affect combustion efficiency.
Regular Cleaning and Maintenance: Regularly clean the combustion chamber, flue, heat exchanger, and other components of the biomass boiler to maintain cleanliness and unobstructed flow. Accumulated ash and dirt can affect heat conduction and heat exchange efficiency, thereby reducing thermal efficiency.
Utilize waste heat recovery technology: Employ waste heat recovery units to utilize the residual heat from combustion for heating systems or other applications.

Reducing the emissions of nitrogen oxides (NOx) from biomass boilers can be achieved through the following measures:
Combustion Control Technology: Utilizes advanced combustion control techniques, such as low nitrogen combustion technology. By optimizing the combustion process, controlling the combustion temperature and oxygen concentration, the generation of nitrogen oxides is reduced. Methods such as staged combustion and optimized combustion chamber design can be employed to lower combustion temperatures and extend combustion time, further minimizing nitrogen oxide formation.
SNCR Technology: Selective Non-Catalytic Reduction (SNCR) technology involves injecting a reductant, such as urea solution, into the combustion process to react with nitrogen oxides, converting them into nitrogen and water. This technique can reduce the formation and emissions of nitrogen oxides during combustion.
SCR Technology: Selective Catalytic Reduction (SCR) technology is a nitrogen oxide control method. By injecting urea solution into flue gas and passing it through a catalyst, nitrogen oxides are converted into nitrogen and water. SCR technology achieves nitrogen oxide removal at lower temperatures and is suitable for large biomass boilers.
Flue Gas Recirculation (FGR): The Flue Gas Recirculation (FGR) technology recycles a portion of flue gas back into the boiler combustion chamber, reducing combustion temperature and oxygen concentration, thereby minimizing the formation of nitrogen oxides. This technique can control nitrogen oxide emissions by adjusting the recirculation ratio.
Fuel selection and pretreatment: Choosing low nitrogen fuels, such as low nitrogen biomass fuel, can reduce the formation of nitrogen oxides. Additionally, for biomass fuels with high nitrogen content, pretreatment measures like drying and gasification can be taken to decrease the formation of nitrogen oxides during combustion.
Regular maintenance and cleaning: Regularly maintain and clean biomass boilers to ensure the cleanliness and proper operation of components such as burners and heat exchangers. Cleaning the combustion chamber and heat exchangers can reduce the accumulation of dirt, enhance heat transfer efficiency, and decrease nitrogen oxide emissions.
By comprehensively implementing the aforementioned measures, nitrogen oxide emissions from biomass boilers can be effectively reduced, achieving the goals of environmental protection and energy conservation. The specific measures to be chosen should be based on the characteristics of the boiler, its operating conditions, and emission requirements.

The biomass boiler combustion technology refers to the process of burning biomass fuel to release heat energy. Here are some common biomass boiler combustion technologies:
Fuel Combustion Methods: Biomass boilers can utilize various combustion methods, including direct combustion, gasification combustion, and liquefaction combustion, etc. Direct combustion involves burning biomass fuel directly in the furnace; gasification combustion converts biomass fuel into combustible gases at high temperatures before burning; liquefaction combustion converts biomass fuel into liquid fuel before burning.
Combustion Control: Biomass boilers require a combustion control system to regulate fuel supply, air supply, and the combustion process. By adjusting the ratio of fuel to air, we control the combustion temperature and efficiency to ensure a stable combustion process.
Combustion Equipment: The combustion equipment of biomass boilers includes the furnace chamber, grate, and combustion chamber, etc. The furnace chamber is the main area for combustion, the grate is used for supporting and burning the fuel, and the combustion chamber is for providing an appropriate burning environment.
Combustion Equipment: To enhance the combustion efficiency and environmental performance of biomass boilers, combustion equipment such as pre-heaters, dust removers, and desulfurization devices are often installed. Pre-heaters are used to increase the combustion temperature and thermal efficiency of the fuel, dust removers to remove particulates from flue gas, and desulfurization devices to remove sulfur from the flue gas.
Combustion control and monitoring: Biomass boilers require the installation of combustion
Our company places great emphasis on technological innovation and R&D, boasting one municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more. Equipped with over 600 various instruments and equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and others, our developed key products and technologies such as welding for temperature and pressure vessels, emissions reduction in biomass boilers, and waste heat utilization have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + filler wire tungsten inert gas (PAW-GTAW) welding technology. After provincial-level scientific and technological achievement identification, our technology level has reached international standards in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!