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 storage tanks, oxygen/nitrogen/argon storage tanks, and CO2 storage tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment sets; central air conditioning and HVAC 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.
The use of biomass boilers holds significant importance for energy conservation and emission reduction:
Reducing Carbon Emissions: The fuel used in biomass boilers comes from organic matter such as plants, animals, and microorganisms, which, when burned, releases carbon dioxide that can be absorbed by plants, forming a cycle. Compared to traditional fossil fuels, biomass fuel emits less carbon, effectively reducing greenhouse gas emissions and is crucial in combating climate change.
Reduce Energy Consumption: Biomass boilers equipped with combustion technology and a heat recovery system 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.
Decrease dependence on fossil fuels: Biomass, as a domestic renewable energy source, can reduce reliance on imported fossil fuels and enhance energy security. In regions with limited resources, the use of biomass boilers can provide a reliable energy supply, diminishing dependence on external energy sources.
Promoting agricultural and forestry development: The fuel for biomass boilers primarily comes from agricultural residues like straw and wood, as well as other by-products, thereby 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 agricultural and forestry industries can be enhanced.
Promote Environmental Protection: Biomass boilers produce relatively low emissions and ash during combustion, causing minimal environmental impact. Additionally, using biomass boilers can reduce the exploitation and destruction of natural resources, safeguarding the ecological environment.
In summary, utilizing biomass boilers is of significant importance for energy conservation and emission reduction.
Reducing nitrogen oxides (NOx) emissions from biomass boilers can be achieved through the following measures:
Combustion Control Technology: Utilizes advanced combustion control technologies, such as low nitrogen combustion technology. By optimizing the combustion process and controlling the combustion temperature and oxygen concentration, the generation of nitrogen oxides is reduced. Methods like staged combustion and optimized combustion chamber design can be employed to lower combustion temperatures and extend combustion times, further minimizing nitrogen oxide emissions.
SNCR Technology: Selective Non-Catalytic Reduction (SNCR) technology involves injecting a reductant, such as urea solution, during the combustion process to react with nitrogen oxides, converting them into nitrogen and water. This technique can reduce the formation and emissions of nitrogen oxides during combustion.
SCR Technology: Selective Catalytic Reduction (SCR) technology is a nitrogen oxide control method. By injecting urea solution into flue gas and passing it through a catalyst, nitrogen oxides are converted into nitrogen and water. SCR technology achieves nitrogen oxide removal at lower temperatures, suitable for large biomass boilers.
Flue Gas Recirculation (FGR): The Flue Gas Recirculation (FGR) technique recycles a portion of flue gas back into the boiler combustion chamber, reducing combustion temperature and oxygen concentration, and minimizing the formation of nitrogen oxides. This technology can control nitrogen oxide emissions by adjusting the recirculation ratio.
Fuel Selection and Pretreatment: Choosing low nitrogen fuels, such as low nitrogen biomass fuel, can reduce the formation of nitrogen oxides. Additionally, for biomass fuels with high nitrogen content, pretreatment measures like drying and gasification can be taken to decrease the formation of nitrogen oxides during combustion.
Regular maintenance and cleaning: Regularly maintain and clean biomass boilers to ensure the cleanliness and proper operation of components such as burners and heat exchangers. Cleaning the combustion chamber and heat exchangers can reduce the accumulation of dirt, enhance heat transfer efficiency, and decrease nitrogen oxide emissions.
By implementing the aforementioned measures comprehensively, nitrogen oxide emissions from biomass boilers can be effectively reduced, achieving both environmental protection and energy-saving goals. The specific measures to be chosen should be based on the characteristics of the boiler, its operating conditions, and emission requirements.
The dust removal technology for coal-fired boilers is designed to reduce particulate emissions during the combustion process, thereby protecting the environment and improving air quality. The following are several common dust removal technologies for coal-fired boilers:
Mechanical dust collectors: A common dust removal equipment, mechanical dust collectors separate particulate matter from flue gas using physical principles. Common types include gravity dust collectors, inertial dust collectors, bag dust collectors, and more. The working principle of mechanical dust collectors is to utilize the inertia, gravity, or filtration of particles to separate them from the flue gas.
Electrostatic Precipitator: An electrostatic precipitator uses the force of an electric field to charge particles in flue gas, then collects the charged particles by the action of the electric field. There are two types of electrostatic precipitators: dry and wet. Dry electrostatic precipitators are suitable for high-temperature flue gas, while wet electrostatic precipitators are suitable for flue gas with high humidity.
Wet-type Dust Collector: Wet-type dust collectors utilize spray water or other liquids to humidify particulates in flue gas, then separate the humidified particles from the flue gas through gravity or inertial force. Suitable for treating flue gas with high humidity and adhesive particles.
Electrostatic Precipitator: An electrostatic precipitator utilizes the force of an electric field to charge particles in flue gas, and then collects the charged particles by the action of the electric field. Suitable for treating high-temperature flue gas and fine particles.
Dust and desulfurization integrated technology: This technology combines the dust removal and desulfurization processes into one, achieving integrated treatment by sharing equipment and jointly processing flue gas. It can reduce the footprint of equipment, lower investment and operating costs.
Above are common coal-fired boiler dust removal technologies. Different dust removal technologies are suitable for different flue gas and particulate matter characteristics. In practical applications, an appropriate combination of dust removal technologies can be selected based on specific conditions to achieve the goal of reducing particulate matter emissions.
Biomass boilers offer several advantages:
Renewable Energy: The fuel used in biomass boilers comes from organic matter such as plants, animals, and microorganisms, making it a renewable energy source. Compared to traditional fossil fuels, biomass fuel has lower carbon emissions and a smaller environmental impact, contributing to the reduction of greenhouse gas emissions and being more environmentally friendly.
Diverse Fuel Sources: Biomass fuel sources are widespread, including wood, straw, waste crops, food scraps, and municipal solid waste. This diversity in fuel sources allows biomass boilers to be flexible and adaptable, utilizing waste and by-products from plants and animals.
Environmental Friendliness: The carbon dioxide produced during the combustion process of biomass boilers can be absorbed by plants, forming a cycle and reducing air pollution. Additionally, the emissions and ash produced by biomass boilers are relatively low, resulting in minimal environmental impact.
Energy Security: Biomass, as a local renewable energy source, can reduce dependence on imported energy and enhance energy security. In regions with scarce resources, the use of biomass boilers can provide a reliable energy supply.
Economic Efficiency: Biomass fuel is relatively cost-effective, which can reduce energy costs. Furthermore, the technology and equipment for biomass boilers are continuously evolving and maturing, making them more economically competitive.
Waste Utilization: Biomass boilers can utilize agricultural by-products such as crop straw, wood waste, etc., effectively utilizing waste resources and reducing resource waste.
In summary, biomass boilers offer advantages such as renewable energy, diverse fuel sources, environmental friendliness, energy security, economic efficiency, and waste utilization, making them a sustainable energy option.
Our company places great emphasis on technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We have over 600 various instruments and equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. The key products we have developed, such as welding for temperature and pressure vessels, biomass boiler emission reduction, and waste heat utilization, have successively been included in multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong key projects, and Heze City innovation and excellence projects. We have cumulatively obtained 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas (PAW-GTAW) welding technology. This technology has been appraised as reaching international standards in the field of deep cryogenic container manufacturing at the provincial level. Choose Zhongjie Special Equipment, and let's create brilliance together!




































