Shandong Zhongjie Special Equipment Co., Ltd. (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 operates seven business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and the Internet of Things. It has three manufacturing 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 staff, including 247 engineering and technical personnel and 82 middle-level technicians. 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 of Shandong Province" by the Industry and Information Technology Department. In June 2022, it was recognized as a "Gazelle Enterprise of 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 Boilers: The biomass chain grate boilers utilize a chain feeding system to deliver biomass fuel into the furnace for combustion. The chain feeding system ensures continuous feeding, making it suitable for large-scale biomass steam boilers.
Biomass Circulating Fluidized Bed Boiler: The biomass circulating fluidized bed boiler utilizes the circulating fluidized bed combustion technology, mixing biomass fuel with a fluidizing medium (such as sand) for combustion at high temperatures. The circulating fluidized bed boiler boasts high combustion efficiency and strong fuel adaptability.
Biomass Pellet Boilers: Biomass pellet boilers are specifically designed for burning biomass pellet fuel. These boilers 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 utilizes biomass fuel to produce high-temperature hot air, suitable for drying and heating processes in industrial production. It boasts features such as energy-saving 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 selected based on actual needs.
Biomass boilers typically require auxiliary equipment to ensure their proper operation and utilization of biomass fuel. Here are some common auxiliary equipment:
Feeding System: Used to deliver biomass fuel to the combustion chamber of the boiler. The feeding system typically includes conveyors, screw conveyors, and vibratory feeders, which can be selected based on the fuel characteristics and boiler requirements.
Combustion System: Used for burning biomass fuel. The combustion system includes a combustion chamber, burners, fans, and other equipment to ensure thorough mixing of fuel and air and to control the combustion process.
Flue Gas Purification Equipment: Used for treating flue gases produced by combustion, reducing emissions of particulate matter and gas pollutants. Common flue gas purification equipment includes dust collectors, desulfurization units, denitrification units, etc., which can be selected based on emission standards and environmental protection requirements.
Heat Exchangers: Used to transfer the thermal energy generated by combustion to water or other working fluids, achieving thermal energy recovery and utilization. Heat exchangers typically include pipe-type heat exchangers, flue gas waste heat boilers, etc., which can enhance energy utilization efficiency.
Control System: Monitors and controls the operational parameters of biomass boilers, including temperature, pressure, and fuel supply. The control system enables automatic adjustment and protection functions, ensuring the safe and efficient operation of the boiler.
Equipment: Includes water supply systems, waste discharge systems, pressure vessels, fuel storage equipment, etc. These devices are used to provide water sources for boilers, treat wastewater, store fuel, and ensure the normal operation of the boiler.
Here are some common auxiliary equipment for biomass boilers. The specific configuration and selection can be determined based on actual needs and project requirements.
Biomass boilers offer the following advantages:
Renewable Energy: Biomass boilers utilize biomass fuels such as wood chips and straw, which are renewable and can be obtained through planting and regenerative cycles. These fuels have lower carbon emissions compared to fossil fuels.
Environmental and Low Carbon: The carbon dioxide produced during biomass combustion can be absorbed by plants, forming a cycle that reduces the burden on the atmosphere. Moreover, emissions and pollutants during biomass combustion are relatively low, causing minimal environmental impact.
Resource-rich: Biomass fuel sources are diverse, including crop straw, forest residues, industrial by-products, etc., with relatively abundant resources and a low risk of depletion.
High thermal efficiency: The biomass boiler's combustion technology and heat recovery system enable high thermal energy conversion and utilization, enhancing energy efficiency.
Versatility: Biomass boilers are not only used for heating but also for hot water supply and industrial heating in various application scenarios.
However, biomass boilers also have some drawbacks:
Fuel supply is unstable: The supply of biomass fuel is affected by factors such as seasons, regions, and crop yields, which may lead to instability in supply.
Particulate matter produced by combustion: A certain amount of particulate matter is generated during biomass combustion, which has an impact on air quality and requires treatment through flue gas purification equipment.
Fuel handling and storage costs: Biomass fuel requires pretreatment, drying, and storage, which may increase costs and complexity.
High technical requirements: Biomass pot
Biomass boilers are prone to corrosion at high temperatures, primarily due to the following reasons:
Fuel Composition: Biomass fuel contains certain amounts of ash and elements like chlorine, which, during combustion, form corrosive substances under high temperatures such as chlorides and salts. These substances react with the metal surface, leading to metal corrosion.
Combustion Conditions: Factors such as combustion temperature, oxygen content, and combustion rate during biomass combustion can affect corrosion. High temperatures, excessive oxygen, and rapid combustion rates can accelerate corrosion.
Smoke Composition: The smoke produced from biomass combustion contains certain acidic substances, such as, etc. These acidic substances will react with the metal surface, causing corrosion.
Flue Gas Condensation: During the flue gas condensation process of biomass boilers, water vapor in the flue gas condenses into liquid water, forming acidic condensate. This acidic condensate comes into contact with the metal surface, causing corrosion.
Material Selection: The type of metal used in biomass boilers can also affect their resistance to corrosion. Different metals exhibit varying corrosion resistance to different corrosive media.
In summary, the main causes of high-temperature corrosion in biomass boilers include fuel composition, combustion conditions, flue gas composition, flue gas condensation, and the selection of metal materials. To alleviate corrosion issues,
Shandong Zhongjie Special Equipment, welcome customers to our factory for business discussions.




































