Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has seven business centers: boilers, deep-freezing containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians and 82 intermediate-level technicians. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Utilizing biomass boilers is of significant importance for energy conservation and emission reduction:
Reducing Carbon Emissions: Biomass boilers utilize fuels from organic materials like plants, animals, and microorganisms, which, when burned, release carbon dioxide that can be absorbed by plants, creating a cycle. Compared to traditional fossil fuels, biomass fuel emits less carbon, effectively reducing greenhouse gas emissions, and plays a significant role in combating climate change.
Reduce Energy Consumption: Biomass boilers, equipped with combustion technology and heat recovery systems, enhance energy utilization efficiency and minimize waste. By conserving energy, we can lower energy costs and improve the benefit of energy use.
Reducing dependence on fossil fuels: Biomass, as a local renewable energy source, can decrease reliance on imported fossil fuels and enhance energy security. In areas with scarce resources, the use of biomass boilers can provide a reliable energy supply, reducing dependence on external energy sources.
Promoting agricultural and forestry development: The fuel used in biomass boilers primarily comes from agricultural residues like crop straws and wood, which are by-products of agriculture and forestry. This promotes the sustainable development of these sectors. By effectively utilizing agricultural and forestry waste, resource waste can be reduced and the comprehensive benefits of the agriculture and forestry industries can be enhanced.
Promote Environmental Protection: Biomass boilers produce relatively fewer emissions and ash during combustion, resulting in minimal environmental impact. Additionally, the use of biomass boilers helps reduce the exploitation and destruction of natural resources, thereby protecting the ecological environment.
In summary, utilizing biomass boilers is of great significance for energy conservation and emission reduction.

Biomass fuel boilers may encounter the following issues during operation:
Fuel quality inconsistency: The quality of biomass fuel is affected by factors such as raw material source, processing methods, and storage conditions, leading to inconsistent fuel quality. Inconsistent fuel quality may impact combustion efficiency and the stable operation of boilers.
Ash and slag management issues: Biomass fuel combustion generates a significant amount of ash and slag, including waste, ash, and unburnt materials. The management and disposal of ash and slag may pose environmental pollution and handling cost concerns.
High Temperature Corrosion: Ash and elements like chlorine in biomass fuels can easily cause corrosion at high temperatures, damaging the metal components of boilers. Appropriate measures need to be taken for protection and treatment against high temperature corrosion.
Low combustion efficiency: Biomass fuel has different combustion characteristics from traditional fossil fuels, which may result in lower combustion efficiency. It is necessary to optimize the combustion system and control strategies to enhance combustion efficiency and reduce energy waste.
Gases Emitted from Combustion: The combustion of biomass fuel produces certain emissions, such as carbon dioxide, nitrogen oxides, and particulate matter. These emissions have an impact on the environment and air quality, necessitating appropriate control measures.
Transport and Storage Costs: The transportation and storage costs for biomass fuel are high, particularly for areas far from the supply source. This may increase the operating costs for biomass fuel boilers.
In summary, biomass fuel boilers face issues such as unstable fuel quality, ash and slag disposal, and high temperatures.

To reduce the emissions of nitrogen oxides (NOx) from biomass boilers, the following measures can be taken:
Combustion Control Optimization: By optimizing the combustion process, controlling the combustion temperature and oxygen supply, and reducing NOx emissions. Adjusting the burner's structure and parameters can make the combustion process more thorough and uniform, minimizing the formation of local high-temperature areas.
Combustion Chamber Design Enhancement: Improved combustion chamber design for biomass boilers, increasing mixing and residence time within the chamber, allowing for more thorough fuel and air mixing, thereby reducing NOx emissions.
SNCR Technology: Selective Non-Catalytic Reduction (SNCR) technology involves adding a reductant, such as urea, during the combustion process, which reacts with NOx to convert it into nitrogen and water. This technology effectively reduces NOx emissions but requires system design and adjustment based on specific conditions.
SCR Technology: Selective Catalytic Reduction (SCR) technology is a NOx control method that involves adding a catalyst, such as, to flue gas to react with NOx, converting it into nitrogen and water. SCR technology achieves high NOx removal efficiency, but requires significant investment and operational costs.
Flue Gas Recirculation (FGR): This technology recycles a portion of flue gas back into the combustion process, reducing combustion temperature and minimizing NOx formation. NOx control can be achieved by adjusting the recirculation ratio.
Regular maintenance and cleaning: Regular maintenance for biomass boilers

Control methods for biomass boiler combustion systems can include the following aspects:
Fuel Supply Control: Regulate the supply quantity and speed of biomass fuel to ensure stable fuel supply. This can be achieved by controlling the speed of the feed machine or adjusting the opening of the feed valve.
Air Supply Control: Regulates the air supply during the combustion process to ensure complete fuel combustion. Air supply can be controlled by adjusting the fan speed or the opening of the air door.
Combustion Temperature Control: Monitor and control the furnace temperature during the combustion process to maintain the combustion temperature within an appropriate range. The combustion temperature can be controlled by adjusting the air flow, fuel supply quantity, and fuel distribution.
Combustion Process Monitoring: By installing temperature sensors, pressure sensors, oxygen content sensors, and other monitoring devices, we can real-time monitor parameters such as temperature, pressure, and oxygen content during the combustion process, promptly identify anomalies, and make adjustments.
Flue Gas Emission Control: Monitor and control pollutants in flue gas emissions to ensure environmental protection during the combustion process. This can be achieved by installing flue gas analyzers and emission control devices, adjusting combustion parameters and flue gas treatment equipment to reduce pollutant emissions.
Automated Control System: Our system employs an automated control system for comprehensive control and monitoring of biomass boiler combustion. Utilizing PLC controllers, touchscreens, and other equipment, it achieves automatic parameter adjustment and operational status monitoring, enhancing the stability and efficiency of the combustion system.
In summary, through reasonable fuel supply, air supply, combustion temperature control, as well as monitoring and automated control of the combustion process, the stable operation of a biomass boiler combustion system can be achieved.
Zhongjie Special Equipment upholds the grand vision of "realizing the dreams of our employees, creating value for our customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We commit to society with high-quality products and services at competitive prices!