Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, A2-grade pressure vessel manufacturing license, A2-grade pressure vessel design license, B-grade boiler installation, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as an equipment and machinery installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a director unit of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
Chain biomass boiler is a common type of biomass boiler, with its working principle and process as follows:
Fuel Supply: Biomass fuels (such as wood chips, straw, etc.) are conveyed to the combustion chamber of the chain boiler through the feeding system.
The combustion process: Fuel is ignited in the combustion chamber while the chain boiler's chain system begins to operate. The fuel is gradually propelled forward by the movement of the chain, simultaneously undergoing combustion in the combustion chamber. During combustion, the fuel is thoroughly mixed with air, and the thermal energy produced is transferred to the boiler's water or other working substances.
Smoke Emission: Flue gases produced by combustion are channeled through the flue system of the combustion chamber and released into the chimney. During the smoke emission process, flue gas purification equipment can be utilized to treat the emissions, reducing particulate matter and gas pollutants.
Heat Recovery: The heat generated by combustion is transferred to water or other working fluids through the heat exchanger of the boiler, thereby raising their temperature. Post-recovery, the hot water or steam can be used for heating, hot water supply, or other industrial processes.
Control System: Chain biomass chain boilers are typically equipped with an automatic control system for monitoring and adjusting parameters such as temperature, pressure, and fuel supply during the combustion process. The control system can automatically adjust according to actual needs to ensure the safe operation and performance of the boiler.
In summary, the chain biomass boiler gradually pushes biomass fuel into the combustion chamber through a chain system for combustion. The heat energy is transferred to water or other working substances through a heat exchanger, achieving heat recovery and utilization. This boiler boasts high combustion efficiency and strong fuel adaptability, and is widely used in heating, industrial heating, and other fields.

To enhance the thermal efficiency of biomass boilers, consider the following aspects:
Optimize the combustion system: Reasonably adjust the combustion system of biomass boilers, including parameters such as combustion air volume, combustion temperature, and combustion time, to achieve complete combustion and utilization of the fuel. The adopted combustion technologies, such as fluidized bed combustion and gasification combustion, can enhance combustion efficiency.
Regulate Excess Air: Rationally control the air supply during the combustion process of biomass boilers to prevent excessive air from entering the furnace, thereby reducing fuel oxidation and heat loss. Adjust the combustion air flow and distribution to achieve an optimal fuel-air mixture, enhancing combustion efficiency.
Enhanced waste heat recovery: The flue gas produced by biomass boiler combustion contains a significant amount of heat energy. This heat can be recovered and utilized through devices like cost-effective air preheaters and economizers, thereby improving the boiler's thermal efficiency.
Optimize boiler operating parameters: Reasonably adjust the operating parameters of biomass boilers, such as boiler water temperature and steam pressure, to enhance thermal efficiency. Adjust the boiler operating mode based on actual demand and load changes, avoiding over-supply or under-supply of heat, and improving energy utilization efficiency.
Regular cleaning and maintenance: Regularly clean and maintain biomass boilers to remove ash and soot from the furnace chamber, ensuring efficient heat exchange and reducing thermal resistance and losses.
Utilize equipment and materials: Selected biomass boiler equipment and materials, such as burners, heat exchangers, etc., to enhance thermal conduction and heat exchange efficiency.
By integrating these measures, the thermal efficiency of biomass boilers can be effectively enhanced, achieving energy utilization.

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 adjusting the speed of the feed machine or the opening degree of the feed valve.
Air Supply Control: Regulate 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 degree of the air door.
Combustion Temperature Control: Monitor and control the furnace temperature during the combustion process to maintain the temperature within an appropriate range. The combustion temperature can be controlled by adjusting the air flow, fuel supply, and fuel distribution.
Combustion Process Monitoring: By installing temperature, pressure, and oxygen content sensors, etc., real-time monitoring of parameters such as temperature, pressure, and oxygen content during the combustion process is achieved, enabling timely detection of anomalies and adjustments.
Smoke Emission Control: Monitor and control the emissions of pollutants in smoke to ensure the environmental friendliness of the combustion process. This can be achieved by installing smoke analyzers and emission control devices, adjusting combustion parameters and smoke treatment equipment, thereby reducing 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 adjustment of parameters and monitoring of operational status, 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.

During the operation of biomass boilers, attention should be paid to the following aspects:
Fuel Selection: Choose a biomass fuel that suits your needs, considering factors like supply stability, quality, and cost. Additionally, familiarize yourself with the fuel's characteristics and combustion properties to ensure it meets the boiler's requirements.
Equipment Selection: Choose appropriate biomass boiler equipment based on actual needs, including boiler type, capacity, and configuration. Consider factors such as fuel characteristics, thermal load requirements, and environmental protection standards to ensure the equipment meets operational needs.
Installation and Commissioning: When installing a biomass boiler, follow relevant regulations and requirements for installation, and conduct necessary adjustments and testing to ensure the safe and reliable operation of the equipment.
Operation Management: Establish and improve a comprehensive operation management system, including daily operation, maintenance, and care of equipment. Regularly inspect the equipment's operational status and promptly address any malfunctions or abnormal conditions.
Combustion Control: Reasonably control the combustion process, including fuel supply, combustion air adjustment, and combustion temperature control, etc. Improve combustion efficiency and environmental performance by optimizing combustion parameters.
Flue Gas Treatment: Process flue gas generated from biomass boiler combustion, including dust removal of particulates, nitrogen oxide denitration, and sulfur dioxide removal. Ensure flue gas emissions are controlled.
Safety Protection: Enhance safety measures for equipment, including automated control of the combustion system, monitoring and protection of pressure and temperature. Ensure the safe and reliable operation of the equipment to prevent accidents.
Knowledge Training: Provide necessary training for operators and管理人员 to enhance their understanding and operational skills in biomass boilers. Ensure personnel can operate the equipment correctly and address operational issues promptly.
Zhongjie Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," focusing solely on the development of green energy equipment industry, and devoting high-value products and services to society!