Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, and CO2 tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and ventilation equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
Biofuel boiler tube end constrictions refer 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 the tube's vibration resistance and durability.
Specific methods for the necking process include:
Cold shrink end: A mechanical method for cold working the end of a pipe to gradually reduce its diameter and form a shrink end. This method is simple and easy to perform, suitable for general shrink end requirements.
Shrink Fit: By heating the end of the tube to soften it, then mechanically pressing it into a shrink fit shape. This method allows for more complex shrink fit shapes, but requires equipment and technology.
The benefits of a tapered design include:
Enhance the tube's strength and rigidity, reduce stress concentration, and minimize the risk of deformation and rupture.
Enhance the tube's vibration resistance, minimize 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 flange treatment must be tailored to the specific boiler design and operational requirements to ensure the flange dimensions and shapes meet design specifications, and that the wall thickness at the flange is not less than the standard requirement to guarantee the safe and reliable operation of the pipes.

The occurrence of oil atomization in thermal oil furnaces may be related to the following operations:
Excessive oil pump pressure: If the oil pump pressure of the thermal oil furnace is set too high, exceeding the design requirements, it may lead to the occurrence of oil atomization. Excessive oil pump pressure increases the amount of oil sprayed by the nozzle, exceeding the combustion requirements within the furnace.
Excessive nozzle orifice size: An oversized nozzle orifice in a thermal oil furnace can lead to excessive oil injection and subsequent spray phenomena. The nozzle orifice size should be selected rationally based on the furnace's combustion requirements and design specifications.
Excessive Furnace Temperature: The furnace temperature of the thermal oil furnace is too high, exceeding the design requirements, which may lead to spray occurrence. The high temperature reduces the viscosity of the thermal oil, increasing the risk of spraying.
Low oil level: A low oil level in the thermal oil boiler can cause the oil pump to intake air, potentially leading to atomization. The oil level should be maintained within the normal range to prevent the oil pump from drawing in air.
Oil Pump Failure: Faults in the thermal oil furnace oil pump, such as pump blockage or oil leakage in the pump body, may cause spraying. Regularly inspect and maintain the oil pump to ensure proper operation.
Oil Tube Clogging: Clogging in the thermal oil furnace's oil tubes, caused by accumulated impurities or sediments, can lead to oil spitting. Regular cleaning and maintenance of the oil tubes ensure smooth oil flow.
Improper operation: Failure to follow the correct operating procedures, such as over-adjusting the oil pump pressure or arbitrarily changing the nozzle, can lead to oil spraying during the operation of the thermal oil furnace.

Utilizing biomass boilers holds significant importance for energy conservation and emission reduction:
Reducing Carbon Emissions: Fuel for biomass boilers comes from organic matter such as plants, animals, and microorganisms. The carbon dioxide released during combustion can be absorbed by plants, creating a cycle. Compared to traditional fossil fuels, biomass fuel emits less carbon, effectively reducing greenhouse gas emissions and playing a significant role in combating climate change.
Reduce Energy Consumption: Biomass boilers equipped with combustion technology and heat recovery systems can enhance energy utilization efficiency and minimize waste. By conserving energy, energy costs can be reduced, and the benefits of energy use can be improved.
Reduce Dependency on Fossil Fuels: Biomass, as a local renewable energy source, can decrease reliance on imported fossil fuels and enhance energy security. In regions with scarce resources, the use of biomass boilers can provide a reliable energy supply, reducing dependence on external energy sources.
Promoting agricultural and forestry development: Fuel for biomass boilers primarily comes from agricultural residues like straw and wood, as well as other forestry by-products, fostering the sustainable development of agriculture and forestry. By effectively utilizing agricultural and forestry waste, resource waste can be reduced and the comprehensive benefits of the agriculture and forestry industry can be enhanced.
Promoting Environmental Protection: The combustion of biomass boilers produces relatively low emissions and ash, resulting in minimal environmental impact. Additionally, the use of biomass boilers can reduce the exploitation and destruction of natural resources, safeguarding the ecological environment.
In summary, utilizing biomass boilers is of great significance for energy conservation and emission reduction.

To enhance the thermal efficiency of biomass boilers, consider the following approaches:
Optimize the combustion system: Reasonably adjust the biomass boiler's combustion system, including parameters such as combustion air volume, temperature, and time, to ensure complete combustion and utilization of the fuel. The adopted combustion technologies, such as fluidized bed combustion and gasification combustion, can enhance combustion efficiency.
Control Excess Air: Properly regulate the air supply during the combustion process of biomass boilers to prevent excessive air from entering the furnace, thereby reducing fuel oxidation and heat loss. Adjust the combustion air flow and distribution to achieve optimal fuel-air mixture, enhancing combustion efficiency.
Enhance Waste Heat Recovery: Flue gas from biomass boiler combustion contains a significant amount of heat energy. This can be recovered and utilized through devices such as economical air preheaters and economizers, thereby improving the boiler's thermal efficiency.
Optimize boiler operating parameters: Reasonably adjust the operating parameters of biomass boilers, such as boiler water temperature and steam pressure, to enhance thermal efficiency. Adjust the boiler's operating mode based on actual demand and load changes, avoiding over-supply or under-supply of heat, and improving energy utilization efficiency.
Regular cleaning and maintenance: Regularly clean and maintain biomass boilers to remove ash and soot from the furnace, maintaining the efficiency of heat exchange and reducing thermal resistance and losses.
Utilize equipment and materials: Select biomass boiler equipment and materials, such as burners, heat exchangers, etc., to enhance thermal conduction and heat exchange efficiency.
Through the comprehensive application of these measures, the thermal efficiency of biomass boilers can be effectively improved, achieving energy utilization.
Zhongjie Special Equipment upholds the great vision of "Realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," wholeheartedly dedicated to the development of the green energy equipment industry, and devotes high-quality, cost-effective products and services to society!