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 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 Province" by the Ministry 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.
In terms of biomass boiler technology, the following three issues need to be addressed with emphasis:
Increased Combustion Efficiency: Biomass fuel has different characteristics from traditional fossil fuels, and during combustion, it tends to produce particulate matter such as straw and wood chips, leading to lower combustion efficiency. Therefore, research and improvement of combustion systems are required to optimize the combustion process, enhance combustion efficiency, and reduce energy waste.
High-Temperature Corrosion Issues: Ash and elements like chlorine in biomass fuels can easily cause corrosion at high temperatures, damaging the metal components of boilers. To address high-temperature corrosion, it is necessary to develop and apply corrosion-resistant materials, control combustion conditions, and reduce the occurrence of corrosion.
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 critical 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 treatment and utilization of ash and slag achieved, promoting the sustainable development of biomass energy.

The biomass boiler body is typically composed of the following components, each serving a specific function:
Furnace Chamber: The furnace chamber is the area where biomass fuel is burned, serving as the space for combustion and heat exchange. The fuel within the chamber releases heat energy during the combustion process, while flue gases exchange heat with water through the furnace chamber.
Flue: The flue is a passage for the flow of flue gas, guiding the smoke from the combustion chamber to the chimney for排放. The flue gas inside exchanges heat with the boiler water, transferring the heat from the gas to the water, thus improving the thermal efficiency.
Boiler Drum: The boiler drum is the main component that holds water and steam, where water is heated to convert into steam. It is equipped with a water level control device inside to regulate the water level and ensure the safe operation of the boiler.
Grate: A grate is a device used to support and burn biomass fuel, functioning to evenly distribute the fuel within the furnace chamber and provide air supply to promote the combustion process.
Superheater: A superheater is a device that heats the saturated steam in a boiler to increase its temperature and pressure. It transfers heat from the flue gases to the steam through heat exchange between the two.
Condenser: A condenser is a device used to condense steam into water, releasing the heat from the steam. By exchanging heat with a cooling medium (such as cold water), the condenser converts the heat from the steam into thermal energy, enhancing heat efficiency.
Chimney: A chimney is a passage for expelling flue gases into the atmosphere, serving as an exhaust.

A biomass organic heat carrier boiler is a boiler equipment that utilizes biomass as fuel to transfer heat energy through an organic heat carrier. Compared to traditional steam boilers, the biomass organic heat carrier boiler has the following performance advantages:
High Heat Efficiency: The biomass organic heat carrier boiler uses organic heat carriers as the heat transfer medium, offering high heat transfer efficiency. Organic heat carriers can achieve liquid-phase heat transfer at low temperatures, resulting in minimal heat loss and enabling more efficient utilization of fuel's thermal energy, thereby enhancing heat efficiency.
Flexibility: The biomass organic heat carrier boiler is suitable for various biomass fuels such as sawdust, straw, etc. Due to the abundance of biomass resources, different biomass fuels can be chosen according to actual conditions, enhancing the substitutability and flexibility of the fuel.
Environmental Friendliness: The biomass organic heat carrier furnace produces relatively little waste gas and slag during the combustion process, with low emissions of pollutants. The biomass fuel itself is characterized by low nitrogen content. The waste slag after combustion can be reused as organic fertilizer or biomass fuel, reducing environmental pollution.
Safety: The biomass organic thermal carrier boiler uses organic thermal carriers as heat transfer mediums, featuring lower working pressure, thereby reducing safety risks during boiler operation. Additionally, compared to fossil fuels, biomass fuel has a lower risk of explosion and fire during combustion.
Renewability: Biomass organic thermal carrier boilers use biomass as fuel, which is a renewable resource that can be continuously replenished through planting and cultivation. Compared to fossil fuels, the use of biomass fuel has a smaller environmental impact, benefiting sustainable development.

Controlling slagging in biomass boilers is a crucial measure to ensure the normal operation of the boiler and extend its lifespan. Here are some common methods for controlling slagging in biomass boilers:
Select fuel wisely: Opt for high-quality, properly moisture-content biomass fuel, avoiding overly wet or excessively impure fuel to minimize the likelihood of coking.
Control combustion temperature: Reasonably control the combustion temperature of biomass boilers to avoid excessively high temperatures, reducing the fuel's residence time in the furnace and minimizing the risk of slagging.
Enhance Furnace Cleaning: Regularly clean the furnace to remove ash and accumulated dust, ensuring the furnace remains clear and reducing the likelihood of coking.
Control Excessive Air: Properly regulate the air supply during the combustion process of biomass boilers to prevent excessive air from entering the furnace, thereby reducing the risk of fuel oxidation and slagging.
Regular Ash Blowing: Conduct regular ash blowing on biomass boiler components such as economizers and superheaters to remove ash and soot, maintaining heat exchange efficiency and reducing the likelihood of scaling.
Enhanced Monitoring and Inspection: Regularly monitor and inspect biomass boilers, including parameters such as furnace temperature, flue gas composition, and furnace pressure, to promptly identify any anomalies and take appropriate actions.
These measures can help control the fouling issue in biomass boilers, maintain normal boiler operation, and extend the service life of the boiler. Additionally, based on specific circumstances, other appropriate measures can be adopted in conjunction with actual operating experience and technical requirements.
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