Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, B-grade boiler installation and GB2/Class, GC2/Class pressure pipeline installation licenses, and equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a council member 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.
Possible reasons for incomplete combustion of fuel in biomass boilers may include the following aspects:
Inappropriate combustion conditions: In the combustion process, if the combustion temperature is too low, oxygen supply is insufficient, or the combustion time is not enough, incomplete combustion of the fuel will occur. This may be due to improper burner settings, an unreasonable ventilation system, or inaccurate adjustment of combustion parameters.
Fuel Quality Issues: The quality of fuel also affects combustion efficiency. If fuel contains an excessive amount of water, impurities, or ash, it can impact the calorific value and combustion properties during the burning process, leading to incomplete combustion.
Improper combustion chamber design: The design of the combustion chamber significantly affects the combustion efficiency. An impractical structure, insufficient combustion space, or uneven air flow distribution within the combustion chamber can lead to incomplete fuel combustion.
Combustion System Failure: A malfunction in the combustion system can also lead to incomplete fuel combustion. For instance, issues such as a clogged nozzle in the burner, a faulty ignition system, or abnormal operation of the combustion fan can all affect the combustion efficiency.
Lack of Maintenance and Cleaning: Regular maintenance and cleaning of biomass boilers are crucial for maintaining combustion efficiency. Issues like accumulated ash, scaling, or blockages inside the boiler can affect normal fuel combustion, leading to incomplete burning.
To address issues with incomplete fuel combustion, the following measures can be taken: Adjust combustion parameters to ensure proper burning temperature, oxygen supply, and combustion duration; select the appropriate amount of fuel and ensure its storage and handling meet requirements; perform regular maintenance and cleaning of the boiler to maintain the normal operation of the combustion system. Additionally, depending on the specific situation, it may be necessary to consult with boiler maintenance personnel or manufacturers for more detailed and accurate solutions.

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 feeding machine or adjusting the opening of the feeding 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 speed of the fan or the opening of the air door.
Combustion Temperature Control: Monitors and controls 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 combustion air volume, fuel supply quantity, 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. This allows for the timely detection of anomalies and 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, thereby reducing pollutant emissions.
Automated Control Systems: Utilizes an automated control system for comprehensive control and monitoring of biomass boiler combustion systems. Through 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 proper 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.

A hot water boiler is a device used for supplying hot water. With the increasing demand for energy and environmental awareness, hot water boilers have undergone continuous development and improvement in both technology and application.
Below are the trends in hot water boiler development:
Energy-saving: The energy-saving of hot water boilers is an important direction for development. By improving the combustion technology of boilers, the design and material selection of heat exchangers, we enhance the efficiency of heat energy utilization, reduce energy consumption and emissions.
Temperature control intelligence: With the development of intelligent technology, the temperature control systems of hot water boilers have become increasingly intelligent. By employing advanced control algorithms and sensor technology, temperature control and energy consumption management are achieved, enhancing system stability and comfort.
Multi-energy supply: To reduce reliance on traditional energy sources, the development trend of hot water boilers is towards multi-energy supply. In addition to the traditional energy sources like gas and oil, an increasing number of hot water boilers are adopting renewable energy sources such as biomass, solar energy, and geothermal energy, achieving energy diversity and sustainable development.
Environmental Protection and Emission Reduction: Environmental protection and emission reduction is a crucial direction for the development of hot water boilers. By improving combustion technology, increasing flue gas purification equipment and control systems, and reducing pollutant emissions during the combustion process, we protect the environment and human health.
Safety and Reliability: The safety and reliability of hot water boilers are crucial for development. By enhancing the structural design of the boiler, improving safety valves and control systems, we elevate the safety performance of the boiler, preventing accidents from occurring.
Miniaturization and Modularization: With the accelerated urbanization process, there is a clear trend towards miniaturization and modularization in hot water boilers. Miniaturized hot water boilers can better adapt to the needs of urban buildings, reducing land occupation and installation costs, and enhancing flexibility and scalability.
Overall, the trend in hot water boiler development is towards energy efficiency, intelligence, multi-energy supply, environmental protection and emission reduction, safety and reliability, miniaturization, and modularization. These trends will drive continuous innovation and application of hot water boiler technology, providing more comfortable, reliable, and environmentally friendly hot water supply for people.

Biomass boiler pellet fuel is a common form of biomass fuel, also known as biomass pellets or wood pellets. It is a small granular fuel made by processing biomass raw materials (such as wood chips, straw, wheat straw, fruit shells, etc.) through processes like crushing, drying, and pressing.
Biomass boiler pellet fuel features the following characteristics:
High Energy Density: Biomass pellet fuel boasts a high energy density, allowing for more energy to be stored in a relatively smaller volume, making it convenient for transportation and storage.
Easy to Burn: Biomass pellets have regular shapes and uniform sizes, ensuring a stable combustion process, easy control of combustion parameters, and enhanced efficiency.
Low humidity and low ash content: Biomass pellet fuel is dried and processed, resulting in low humidity and relatively low ash content. This reduces water evaporation and ash residue during combustion, benefiting fuel efficiency and reducing pollutant emissions.
Renewable and Eco-friendly: Biomass pellets are a renewable energy source, which can be recycled through a regeneration process. The carbon dioxide released during combustion can be absorbed by the biomass, forming a cycle with minimal environmental impact.
Wide combustion adaptability: Biomass pellet fuel is suitable for biomass boilers, featuring strong combustion adaptability. Different types and specifications of pellet fuel can be selected according to actual conditions to meet the requirements of various boilers.
Biomass pellet fuel is widely used in biomass boilers, serving as a clean and renewable energy source, which is significant for reducing carbon emissions and protecting the environment.
Our company highly values technological innovation and R&D, 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. We are 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 more. The key products we have developed, such as welding technology for temperature and pressure vessels, emissions reduction in biomass boilers, and waste heat recovery, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, Shandong key projects, and Heze City innovation and excellence projects. We have accumulated a total of 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 vessel processing technology using the internationally recognized plasma arc + filled wire argon arc welding (PAW-GTAW) technology, which has been appraised at the provincial level and has reached international standards in the field of deep cryogenic vessel manufacturing. Choose ZJ Special Equipment, and let's create brilliance together!