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 seven business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and the 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. The company currently employs 710 people, including 247 engineers and technicians and 82 intermediate-level technical personnel. 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" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
In the technical aspect of biomass boilers, the following three issues need to be addressed with emphasis:
Enhanced Combustion Efficiency: Biomass fuel has distinct characteristics from traditional fossil fuels, which often leads to the production of particle matter like straw and wood chips during combustion, thus reducing efficiency. Therefore, research and development of improved combustion systems are necessary to optimize the combustion process, increase efficiency, and minimize energy waste.
High-Temperature Corrosion Issue: Ash and elements like chlorine in biomass fuel tend to cause corrosion at high temperatures, damaging the metal components of boilers. To address high-temperature corrosion, it's necessary to develop and apply corrosion-resistant materials, control combustion conditions, and minimize corrosion occurrences.
Ash disposal and utilization: Biomass fuel combustion generates a large amount of ash, including waste, ash content, and unburnt materials. The handling and disposal of ash is a significant issue, requiring the development and application of ash treatment technologies, including ash recycling, resource utilization, and chemical treatment.
By addressing these three issues, the combustion efficiency of biomass boilers can be further enhanced, corrosion risks reduced, and the effective handling and utilization of ash and slag achieved, promoting the sustainable development of biomass energy.

The performance of the biomass hot water boiler's air adjustment door can be improved through the following structural enhancements:
Material Selection: The construction of the air调节 door should be made of materials that can withstand high temperatures and corrosion, such as stainless steel or heat-resistant alloys. This ensures the long-term stable operation of the air调节 door under high-temperature and corrosive environments.
Structure Design: The structural design of the air control door should be rational, including the arrangement and connection methods of components such as door panels, bearings, and transmission devices. The door panels should have good sealing performance to effectively control the air flow for combustion. The transmission device should be flexible and reliable, easy to operate and adjust.
Airflow Regulation: The design of the air control door should enable airflow regulation. It can incorporate adjustable door blade angles or openings, which can be adjusted by changing the position or angle of the door blade to regulate the air flow to the combustion. Additionally, consider installing an airflow regulation device, such as an air flow gauge or pressure sensor, to monitor and adjust the air flow to the combustion in real-time.
Temperature Control: For biomass hot water boilers, consider installing a temperature sensor near the air regulating door to monitor the combustion chamber temperature in real-time. Connected to the air regulating door control system, the door opening can be automatically adjusted according to temperature changes to maintain stable internal combustion chamber temperature.
Safety Protection: The design of the air regulating door should incorporate safety measures, such as installing overload protection devices or limit switches, to prevent excessive opening or closing of the door, which could lead to unstable combustion or other safety issues.
Through the above structural improvements, the performance and reliability of the biomass hot water boiler's air adjustment door can be enhanced, achieving better combustion air regulation, and improving the boiler's thermal efficiency and stability.

Biomass boilers may encounter issues such as ash accumulation and slagging during prolonged operation. These problems can affect the boiler's combustion efficiency and safety. Here are methods to handle ash accumulation and slagging in biomass boilers:
Regular Cleaning: Regularly cleaning the ash and soot from the boiler is crucial for preventing the buildup of scale and slag. A cleaning schedule can be established based on the boiler's usage, including cleaning the combustion chamber, flue, and heat exchanger, among other components. Appropriate tools and cleaning agents should be used during the cleaning process to ensure the removal of ash and soot.
Adjust combustion parameters: Properly adjusting the combustion parameters of biomass boilers can reduce the occurrence of ash accumulation and slagging. For instance, adjusting combustion temperature, oxygen supply, and combustion time to enhance combustion efficiency and minimize ash and slag formation.
Additives Usage: During biomass combustion, certain special additives such as ash and slag inhibitors, and coking inhibitors can be added. These additives help reduce the formation of ash and carbon buildup, enhancing the boiler's cleanliness and combustion efficiency. The use of additives should be based on specific circumstances and the manufacturer's recommendations.
Regular Inspections and Maintenance: Regularly inspect and maintain all components of the biomass boiler, including burners, fans, flues, and heat exchangers, to promptly identify and address issues like ash accumulation and coking. During inspections, you can clear blocked parts and repair damaged ones, ensuring the boiler operates smoothly.
Note that dealing with biomass boiler ash and slagging issues should be handled on a case-by-case basis. Consult with boiler maintenance staff or manufacturers for more detailed and accurate advice. Additionally, regular cleaning and maintenance are crucial for preventing ash and slagging problems.

The full-automatic biomass boiler utilizes a makeup water pump to maintain pressure, which is a common method for water supply. The specific working principle is as follows:
Supply Pump: The fully automatic biomass boiler is equipped with a supply pump to pump water from a water source (such as a water tank or tap water pipeline) into the boiler's supply system.
Pressure Regulation: The feed water pump operates using a constant pressure method. This involves installing a pressure sensor or controller in the boiler water supply system to monitor the pressure. When the system pressure falls below the set value, the feed water pump automatically activates, replenishing water into the supply system to increase the pressure.
Pressure Control: The feed pump will control operation based on the set pressure range. When the system pressure reaches the set value, the feed pump will cease operation to prevent excessive pressure.
Automated Control: The water supply system of an automatic biomass boiler is typically equipped with an automated control system that can intelligently manage based on the boiler's operating status and requirements. For instance, when the boiler needs to replenish water, the control system will automatically activate the feedwater pump to ensure the stable operation of the water supply system.
By utilizing a supply pump pressure maintenance method, the fully automatic biomass boiler can achieve automated control of the water supply system and stable water supply, ensuring the boiler operates normally and safely. This method can be adjusted and optimized according to actual needs, enhancing water supply and energy utilization efficiency.
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