Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological 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 operates 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. 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 named a "Specialized and New Enterprise in Shandong Province" by the Department of Industry and Information Technology. In June 2022, it was identified as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was recognized as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Biomass boiler tube end reaming refers to the process of reducing the diameter of the tube ends within a certain length range. This treatment enhances the tube's strength and rigidity, reduces stress concentration, and improves its vibration resistance and durability.
Specific methods for reducing the neck include:
Cold shrink joint: A mechanical method of cold working the end of a pipe to gradually reduce its diameter, forming a shrink joint. This method is simple and easy to perform, suitable for general shrink joint requirements.
Hot Shrink Ends: By heating the end of the pipe to soften it, it is then mechanically molded into a shrink end shape. This method allows for more complex shrink end shapes, but requires equipment and technology.
The benefits of a tapered design include:
Enhance tube strength and rigidity, reduce stress concentration in tubes, and lower the risk of deformation and rupture.
Enhance the tube's vibration resistance, reduce vibration and resonance during operation, and extend the tube's service life.
Reduce the risk of pipe leakage and enhance the sealing performance of the pipeline system.
Note that the neck treatment must be tailored to the specific boiler design and operational requirements to ensure the neck size and shape meet design specifications, and that the wall thickness at the neck is not less than the standard requirement to ensure the safe and reliable operation of the pipes.

Biomass boilers and coal-fired boilers differ in fuel, environmental performance, and sustainability aspects.
Fuel Type: Biomass boilers utilize renewable biomass fuels such as wood chips and straw, whereas coal-fired boilers use fossil fuels like coal. Biomass fuels are renewable and low-carbon, while coal is a finite resource and its combustion produces a large amount of carbon dioxide and other pollutants.
Environmental Performance: Biomass boiler combustion produces relatively fewer pollutants, such as carbon dioxide, nitrogen oxides, and particulates. In contrast, coal-fired boilers emit more pollutants, including nitrogen oxides, particulates, and heavy metals, which have a significant impact on atmospheric environment and human health.
Sustainability: Biomass fuel is a renewable resource that can be sustainably cultivated and recycled through regenerative cycles. Coal, on the other hand, is a finite resource, and mining and burning it can damage the environment.
Combustion Efficiency: The combustion efficiency of biomass boilers is relatively low due to the complex chemical and physical properties of biomass fuel, which tends to produce more ash and carbon accumulation during combustion. In contrast, coal-fired boilers have a higher combustion efficiency, as the chemical properties of coal fuel are more stable, leading to a more complete combustion process.
Technical Specifications: Biomass boiler compared to coal-fired boiler

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:
Choose fuel reasonably: Opt for high-quality biomass fuel with appropriate humidity, avoid using fuel that is too wet or contains excessive impurities to minimize the possibility of carbon buildup.
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 lowering the risk of slagging.
Enhanced Furnace Cleaning: Regularly clean the furnace to remove ash and dust, ensuring the furnace remains clear and reducing the likelihood of slagging.
Regulate Excess Air: Properly control 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: Regularly perform ash blowing on biomass boiler components such as economizers and superheaters to remove ash and slag, 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 coking issue in biomass boilers, maintain normal boiler operation, and extend the boiler's service life. Additionally, based on specific circumstances, other appropriate measures can be taken in conjunction with practical operating experience and technical requirements.

The DZL type quick-install biomass boiler is a common model of biomass boiler with the following features:
Rapid Installation: The DZL type quick-install biomass boiler features modular design, with the boiler body and equipment pre-assembled in the factory. On-site, only simple connections and adjustments are required, significantly reducing installation time and project duration.
High combustion efficiency: Utilizes a special combustion chamber design and system, ensuring complete combustion of biomass fuel within the furnace, resulting in high thermal efficiency. Additionally, equipped with an economizer and flue gas recirculation device to further enhance thermal efficiency.
Automated Control: The DZL type quick-install biomass boiler is equipped with an automated control system, enabling the control and monitoring of the combustion process. With a PLC controller and a touch screen, parameters such as fuel supply, air supply, and combustion temperature can be adjusted to ensure the stable operation of the boiler.
Multiple Fuel Compatibility: The DZL type quick-install biomass boiler is suitable for various biomass fuels such as wood chips, straw, etc. Different fuels can be chosen according to actual conditions, enhancing the substitutability and flexibility of the fuel.
Environmental Protection and Energy Saving: The DZL type rapid assembly biomass boiler utilizes biomass fuel, resulting in relatively low emissions of waste gas and slag during the combustion process, and low pollution content in the combustion emissions. The biomass fuel itself is characterized by low sulfur and low nitrogen, and the waste slag after combustion can be reused as organic fertilizer or biomass fuel, reducing environmental pollution.
Compact Structure: DZL Type Quick Assembly Biomass Boiler
Shandong Zhongjie Special Equipment, welcome customers to visit our factory for business discussions.