Shandong Zhongjie Special Equipment (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, a B-grade boiler installation license, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as a mechanical and electrical equipment installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the 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.
During operation, biomass thermal oil heaters are prone to scaling due to the high temperature of the thermal oil and long-term use. To prevent the formation of scale, manufacturers of biomass thermal oil heaters typically take the following measures:
Selecting the Appropriate Thermal Conductive Oil: Manufacturers choose thermal conductive oils with good thermal stability and antioxidant properties to minimize scale formation. The selection of thermal conductive oil should be reasonably matched based on actual operating conditions and usage requirements.
Control oil temperature and flow rate: Manufacturers will reasonably control the temperature and flow rate of the heat transfer oil based on its characteristics and working requirements. Excessive temperature and rapid flow rate can easily lead to the formation of scale, so proper adjustment is necessary.
Regular Cleaning and Maintenance: Manufacturers recommend that users periodically clean and maintain their biomass thermal oil heaters to remove scale that has formed. During the cleaning process, appropriate cleaning agents and equipment can be used to remove the scale and restore the normal operation of the heater.
Install Filters and Descaling Devices: Manufacturers may install filters and descaling devices in biomass thermal oil heaters to filter out impurities and scale in the thermal oil. These devices effectively prevent scale formation and extend the service life of the thermal oil heater.
Regular Monitoring and Analysis: Manufacturers may recommend that users regularly monitor and analyze the properties and quality of the thermal oil, to promptly detect any anomalies and take appropriate actions.
To prevent high-temperature corrosion issues in biomass boilers, the following measures can be taken:
Select appropriate materials: Choose corrosion-resistant metal materials for boiler components, such as stainless steel and heat-resistant steel. These materials offer excellent corrosion resistance and can maintain stability in high-temperature and corrosive environments.
Control combustion conditions: Reasonably control the parameters such as the temperature, oxygen content, and combustion rate of biomass combustion to avoid excessive temperatures and oxygen, thereby reducing corrosion.
Pre-treatment fuel prior to combustion: Preprocess biomass fuel, such as drying, screening, and decontamination, to reduce ash and salt content in the fuel, and lower the risk of corrosion.
Regulate Acidic Substances in Flue Gas: By adding corrosion inhibitors or flue gas treatment equipment, control the acidic substance content in flue gas, and reduce its corrosive effect on metal surfaces.
Regular cleaning and maintenance: Regularly clean the boiler interior of accumulated dust and dirt to maintain its cleanliness. During the cleaning process, use appropriate cleaning agents and tools to remove dirt from the interior, preventing corrosion.
Regular inspections and maintenance: Regularly inspect and maintain biomass boilers to promptly identify and address corrosion issues. Delegate maintenance personnel for regular inspections and maintenance tasks.
Biomass boilers emit nitrogen oxides (NOx) during the combustion process, which are harmful to the environment. Therefore, controlling the NOx emissions from biomass boilers is a significant challenge. Below are some difficulties in controlling NOx emissions from biomass boilers:
Fuel Characteristics: The composition and properties of biomass fuels vary widely, containing different nitrogen contents and volatiles. This makes it difficult to accurately predict and control NOx emissions during the combustion process of biomass boilers.
Combustion Temperature: The generation of NOx is closely related to combustion temperature, with both excessively high and low temperatures increasing 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 the combustion temperature for effective NOx emissions control.
Air Supply for Combustion: Appropriate air supply for combustion can help control NOx formation, but excessive or insufficient air supply can affect combustion efficiency and NOx emissions. The 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 example, the adopted combustion technology and burner design, such as low NOx combustion technology and combustion chamber structural optimization, can effectively reduce NOx emissions.
Operation and Maintenance: Proper operation and regular maintenance of biomass boilers are crucial for controlling NOx emissions. Reasonable operation and scheduled maintenance can ensure the normal operation and combustion of the combustion system, thereby reducing NOx generation.
In summary, the challenges in controlling NOx emissions from biomass boilers mainly include fuel characteristics.
The application methods for biomass boilers can be selected and adjusted according to specific application needs and scenarios. Here are some common application methods:
Heating System: Biomass boilers can be used in heating systems to provide hot water or steam for buildings, industrial plants, etc. Heat energy can be transmitted through pipelines to areas requiring heating, meeting the needs for heating and hot water.
Industrial Production: Biomass boilers can be used for thermal energy supply in industrial production processes, such as food processing, pulp and papermaking, and chemical industries. The thermal energy provided by biomass boilers meets the heating and steam requirements in industrial production.
Greenhouse Heating: Biomass boilers can be used in greenhouse heating systems to provide hot water or steam for greenhouses, maintaining suitable temperature and humidity within the greenhouse to promote plant growth.
Rural Heating: Biomass boilers can be used in rural heating systems to provide heating and hot water for rural residents. They can meet the heating needs of rural areas through centralized or decentralized heating.
Hot Water Pump Drying: Biomass boilers can be used in hot water pump drying systems for drying wood, grain, and other materials. By providing hot water or steam, it accelerates the drying process and enhances efficiency.
Biomass Power Generation: Biomass boilers can be integrated with power generation equipment for biomass power generation. By burning biomass fuel, steam is produced to drive the generator and generate electricity, achieving the utilization and transformation of energy.
Here are some common application methods for biomass boilers. Depending on specific needs and scenarios, you can choose an appropriate application method and configure and adjust it in conjunction with relevant equipment and systems.
Zhongjie Special Equipment adheres to the great vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer society high-value products and services!




































