Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has 7 business centers: boilers, deep-freeze 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 of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 people, including 247 engineering and technical personnel and 82 middle-level technical staff. 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 Department 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.
There are several common types of biomass energy-saving steam boilers:
Biomass Chain Grate Boiler: The biomass chain grate boiler utilizes a chain feeding system to deliver biomass fuel into the furnace for combustion. The chain feeding system ensures continuous fuel supply, making it suitable for larger-scale biomass steam boilers.
Biomass Circulating Fluidized Bed Boiler: The biomass circulating fluidized bed boiler utilizes the circulating fluidized bed combustion technology, blending biomass fuel with a combustion medium (such as sand) to burn at high temperatures. This type of boiler boasts high combustion efficiency and strong fuel adaptability.
Biomass Pellet Boilers: Biomass pellet boilers are specifically designed for burning biomass pellet fuel. They feature high combustion efficiency and stability, making them suitable for small to medium-sized biomass steam boilers.
Biomass Gasification Boilers: Biomass gasification boilers utilize gasification technology to convert biomass fuel into combustible gases, which are then burned to produce steam. These boilers offer advantages such as utilizing biomass energy and reducing pollution emissions.
Biomass Hot Air Furnace: A biomass hot air furnace is a device that uses biomass fuel to produce high-temperature hot air, suitable for drying and heating processes in industrial production. It boasts features like energy conservation and environmental protection.
These types of biomass energy-saving steam boilers have their own characteristics and suitability in different application scenarios, and the appropriate type can be chosen according to actual needs.

Biomass boilers emit nitrogen oxides (NOx) during combustion, which are harmful to the environment. Therefore, controlling the NOx emissions from biomass boilers is a significant challenge. The following are some difficulties in NOx control for biomass boilers:
Fuel Characteristics: The composition and characteristics of biomass fuels are diverse, containing varying nitrogen content and volatile matter. This makes it difficult to accurately predict and control NOx emissions during the combustion process in biomass boilers.
Combustion Temperature: The formation of NOx is closely related to combustion temperature; both excessively high and low temperatures can increase NOx production. The combustion temperature of biomass boilers is influenced by various factors, such as fuel moisture and oxygen supply, making it challenging to control combustion temperature for effective NOx emissions control.
Proper combustion air supply can aid in controlling NOx formation, but excessive or insufficient air supply can affect combustion efficiency and NOx emissions. The combustion air supply for biomass boilers needs to be reasonably adjusted based on fuel characteristics and combustion conditions, which poses certain requirements for operators and control personnel.
Combustion System Design: The design of the combustion system in biomass boilers also has an impact on NOx emissions control. For instance, the combustion technology and burner design used, such as low-NOx combustion technology and optimized combustion chamber structure, can effectively reduce NOx emissions.
Operation and Maintenance: Proper operation and regular maintenance of biomass boilers are crucial for controlling NOx emissions. Rational operation and scheduled maintenance can ensure the normal operation and combustion of the combustion system, thereby reducing the generation of NOx.
In summary, the challenges in controlling NOx emissions from biomass boilers mainly include fuel characteristics.

During the operation of biomass hot water boilers, the following aspects should be paid attention to:
Fuel Quality: Select biomass fuel in the appropriate quantity to ensure the moisture content and particle size meet the boiler's requirements. Low-quality fuel can lead to incomplete combustion and blockages.
Combustion Effect: Pay attention to monitoring and adjusting the combustion effect to ensure the stability and completeness of the combustion process. Adjust combustion parameters, such as combustion temperature and time, in a timely manner based on the boiler's operating status and fuel characteristics.
Clean Combustion System: Regularly clean the combustion system, including the combustion chamber, burner, and burner nozzle. Remove ash, sediment, and dirt to maintain the system's unobstructed flow and prevent issues such as incomplete combustion and unstable flames.
Water Treatment: Pay attention to the water treatment of the boiler, including water hardness, alkalinity, and impurities in the water. Take appropriate water treatment measures based on the water quality to prevent scale and corrosion, and protect the boiler's heat exchangers and pipes.
Regular Maintenance: Conduct regular maintenance on biomass hot water boilers, including cleaning, lubricating, and tightening. Inspect all parts and connections of the boiler to ensure they are functioning properly and in good working order.
Safe Operation: Adhere to the boiler operation procedures and safety guidelines to ensure the safe operation of the boiler. Monitor and control parameters such as pressure and temperature, and promptly address any abnormal situations.
In summary, pay attention to fuel quality, combustion efficiency, cleanliness of the combustion system, water treatment, regular maintenance, and safety.

When an biomass boiler exhibits abnormal operation, the following measures can be taken:
Inspect fuel supply: Check the biomass supply system to ensure normal fuel supply. Inspect fuel storage containers, conveyance systems, and feeding devices to eliminate issues of insufficient fuel supply or blockages.
Inspect the combustion system: Check the combustion system, including the ignition device, burner, and combustion chamber. Ensure the burner operates properly and the combustion within the combustion chamber is stable. Clean the burner and combustion chamber to remove carbon deposits and debris.
Inspect smoke emissions: Check the smoke emission system, including chimneys and smoke purification equipment. Ensure smooth smoke emissions and proper operation of the smoke purification equipment. Clean the chimneys and smoke purification equipment to remove blockages and dust accumulation.
Inspect Water Circulation System: Check the water circulation system, including pumps, tanks, pipes, and valves. Ensure normal water circulation with stable water pressure and level. Clean the pump and pipes to exclude blockages and leaks.
Inspect Control System: Check the control system, including temperature, pressure, and flow control. Ensure the control parameters are set correctly and that sensors and actuators are functioning normally. Adjust control parameters to ensure stable boiler operation.
Inspect Safety Devices: Check the safety devices, including pressure gauges, temperature gauges, safety valves, and alarms. Ensure that the safety devices are sensitive and reliable, and promptly trigger alarms and protective measures.
Seek assistance: If the above solutions do not resolve the issue, it is crucial to promptly seek help from a boiler repair and maintenance professional. They can conduct more thorough troubleshooting and repairs to ensure the normal operation of the biomass boiler.
When dealing with abnormal operation of biomass boilers, safety is paramount. Always adhere to relevant operational procedures and safety protocols. Promptly identify issues and take appropriate action.
Shandong Zhongjie Special Equipment, welcome customers to visit our factory for business discussions.