Shandong Zhongjie Special Equipment Co., Ltd. specializes in: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat recovery boilers, and other boiler products; vacuum insulated cryogenic pressure vessels such as LNG storage tanks, oxygen/nitrogen/argon storage tanks, and CO2 storage tanks; pressure vessel products including denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment sets; central air conditioning and ventilation 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 thermal energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
Reducing the emissions of nitrogen oxides (NOx) from biomass boilers can be achieved through the following measures:
Combustion Control Technology: Utilizes advanced combustion control technologies such as low nitrogen combustion technology. By optimizing the combustion process, controlling combustion temperature and oxygen concentration, and reducing the formation of nitrogen oxides. Methods like staged combustion and optimized combustion chamber design can be employed to lower combustion temperature and extend combustion time, further reducing 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 emission 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 using a catalyst, nitrogen oxides are converted into nitrogen and water. SCR technology allows for nitrogen oxide removal at lower temperatures and is suitable for large biomass boilers.
Flue Gas Recirculation (FGR): FGR technology recycles a portion of flue gas back into the boiler combustion chamber, reducing combustion temperature and oxygen concentration, thereby decreasing nitrogen oxide formation. 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 fuels, 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: Regular maintenance and cleaning of biomass boilers ensure the cleanliness and proper operation of components such as burners and heat exchangers. Cleaning the combustion chamber and heat exchangers reduces soot buildup, enhances heat transfer efficiency, and lowers nitrogen oxide emissions.
By integrating the aforementioned measures, it can effectively reduce the emissions of nitrogen oxides from biomass boilers, achieving the goals of environmental protection and energy conservation. The specific measures to be adopted should be based on the characteristics of the boiler, its operating conditions, and emission requirements.

When using biomass boilers, it is essential to adhere to the following safety precautions:
Familiarize with the Operation Manual: Before using the biomass boiler, carefully read and familiarize yourself with the operation manual to understand the boiler's usage, precautions, and safety requirements.
Regular inspections and maintenance: Conduct regular checks on all components and equipment of the biomass boiler to ensure proper operation. Promptly clean the combustion chamber, flue, and ash, maintaining the boiler's cleanliness and unobstructed flow.
Note fuel quality: Select biomass fuel, avoid using damp, contaminated, or harmful fuel. Ensure the fuel quality meets requirements to prevent damage to the boiler and the environment.
Control the combustion process: Reasonably control the combustion process of biomass boilers to ensure stable and complete combustion. Adhere to the correct ignition and shutdown procedures to avoid incomplete combustion or overheating issues.
Prevent overheating and overpressure: Monitor and control the temperature and pressure of biomass boilers to avoid overheating and overpressure. Install and maintain safety valves, pressure gauges, and thermometers, etc., to ensure the safe operation of the boiler.
Prevent Gas Leaks: Regularly inspect and maintain the biomass boiler's gas pipelines and valves to ensure good sealing and prevent gas leaks. In case of gas leakage, take immediate action to stop operation and promptly repair it.
Prevent fires: Keep the biomass boiler area clean and tidy, and prevent堆积物 and ignition sources from being near the boiler. Install and maintain fire alarms and fire extinguishing equipment to enhance fire safety.
Training and Awareness Enhancement: Provide necessary training to operators to enhance their operational skills and safety awareness regarding biomass boilers. Ensure operators are aware of and adhere to relevant safety regulations and operational procedures.
Here are some safety tips for biomass boiler operation; adhering to these tips ensures the safe functioning of biomass boilers.

The popularity of biomass thermal oil boilers can be attributed to several key reasons:
Environmental Friendliness: Biomass thermal oil heaters utilize biomass fuels such as wood chips and straw, which are renewable. These fuels produce fewer emissions during combustion, resulting in less environmental impact. Compared to traditional coal thermal oil heaters, biomass thermal oil heaters can reduce emissions of harmful gases like carbon dioxide, nitrogen oxides, and particulates.
Energy Sustainability: Biomass fuel is a renewable energy source with a relatively stable supply, yet it is limited by geographical and resource constraints, much like fossil fuels. The use of biomass thermal oil boilers helps reduce dependence on conventional energy sources and promotes the sustainable development of energy.
Low fuel costs: Biomass fuel is more cost-effective compared to traditional fuels like oil and gas. Utilizing biomass fuel can reduce energy costs and enhance energy efficiency.
Flexibility: The biomass thermal oil furnace is suitable for various biomass fuels, such as wood chips, straw, etc., offering strong fuel adaptability. It allows for the selection of the appropriate fuel based on actual conditions, enhancing flexibility and operability.
Gender: The biomass thermal oil boiler uses thermal oil as the heat transfer medium, offering high heat transfer efficiency. The thermal oil has high thermal conductivity and stability, enabling effective energy transfer and utilization.
Widely Applied: Biomass thermal oil heaters are extensively used in industrial sectors such as textiles, chemicals, and food processing. They provide a stable energy supply to meet the demands of industrial production.

The SZL biomass boiler is a water-tube boiler with two drum bodies and a chain grate, designed for burning biomass fuel. Below is an introduction to the structure of the SZL biomass boiler:
Boiler Drum: The SZL biomass boiler features two parallel water tube drums, the upper drum and the lower drum. The upper drum is used for the combustion chamber, while the lower drum is for the heat transfer of steam and flue gas.
Briquette: The SZL biomass boiler utilizes a chain grate, through which the fuel enters the combustion chamber for the burning process. The design of the chain grate ensures even and complete combustion of the fuel.
Combustion Chamber: The combustion chamber is located inside the upper cylinder, where the fuel burns, releasing heat energy. The structure and design of the combustion chamber ensure complete combustion of the fuel and efficient conversion of heat energy.
Flue Duct: The flue gas produced from combustion passes through the flue duct into the lower cylinder, where it exchanges heat with the water inside the pipes, transferring thermal energy to the water and producing steam.
Water pipes: A large number of water pipes are arranged inside the lower drum of the SZL biomass boiler. Flue gas passes through these pipes, where it exchanges heat with water, transferring thermal energy to the water to produce steam.
Upper Equipment: The upper equipment of the SZL biomass boiler includes a steam separator, water level gauge, safety valve, etc., used for controlling and protecting the safe operation of the boiler.
Equipment: The SZL biomass boiler includes equipment such as the water supply system, sewage discharge system, and fuel supply system, which are used to provide the boiler with water, treat wastewater, and supply fuel, etc.
The SZL biomass boiler features a compact structure and high thermal efficiency, suitable for the combustion of biomass fuel. Its dual drum and chain grate design ensures complete combustion of the fuel and efficient conversion of thermal energy, while also offering good safety and reliability.
Our company highly values technological innovation and R&D design, boasting one city-level technical center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc., and are equipped with over 600 types of 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 more. Our key products such as temperature-pressure vessel welding, biomass boiler emissions reduction, and waste heat recovery have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology science and technology projects, key projects in Shandong Province, and innovative projects in Heze City. We have cumulatively obtained 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 from Shandong University, has developed deep cryogenic vessel processing technology using the internationally recognized plasma arc + filler wire argon arc welding (PAW-GTAW) technology, which has been appraised as internationally competitive at the provincial level for its technological level in deep cryogenic vessel manufacturing. Choose ZJ Special Equipment, let's join hands to create brilliance together!