Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat recovery boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, and CO2 tanks; pressure vessel products like 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 application of 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 has a lower carbon footprint, effectively reducing greenhouse gas emissions and is crucial in combating climate change.
Reduce Energy Consumption: Biomass boilers, utilizing 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 improved.
Reducing Dependence on Fossil Fuels: Biomass, as a local renewable energy source, can decrease reliance on imported fossil fuels and enhance energy security. In areas with scarce resources, the use of biomass boilers can provide a reliable energy supply, reducing dependence on external energy sources.
Promote agricultural and forestry development: The fuel for biomass boilers primarily comes from agricultural and forestry by-products such as crop straw and wood, 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 industries can be enhanced.
Promote Environmental Protection: Biomass boilers produce relatively low emissions and ash during combustion, causing minimal environmental impact. Additionally, their use reduces the exploitation and destruction of natural resources, thereby protecting the ecological environment.
In summary, utilizing biomass boilers is of great significance for energy conservation and emission reduction.
Reducing the emissions of nitrogen oxides (NOx) from biomass boilers can be achieved through the following measures:
Combustion Control Technology: Utilizes advanced combustion control techniques, 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 decreasing nitrogen oxide emissions.
SNCR Technology: Selective Non-Catalytic Reduction (SNCR) technology involves injecting a reductant, such as urea solution, into the combustion process to react with nitrogen oxides, converting them into nitrogen and water. This technique can reduce the formation and emission of nitrogen oxides during combustion.
SCR Technology: Selective Catalytic Reduction (SCR) technology is a nitrogen oxide control technique. It converts nitrogen oxides into nitrogen and water by injecting urea solution into flue gas and through the action of a catalyst. SCR technology can achieve nitrogen oxide removal at lower temperatures and is suitable for large biomass boilers.
Flue Gas Recirculation (FGR): The FGR technology recycles a portion of flue gas back into the boiler combustion chamber, reducing combustion temperature and oxygen concentration, thereby minimizing the formation of nitrogen oxides. This technique can control nitrogen oxide emissions by adjusting the recirculation ratio.
Fuel selection and pretreatment: Choosing low nitrogen fuels, such as low nitrogen biomass fuels, can reduce the formation of nitrogen oxides. Moreover, for biomass fuels with high nitrogen content, pretreatment measures like drying and gasification can be taken to decrease the generation of nitrogen oxides during combustion.
Regular maintenance and cleaning: Regularly maintain and clean biomass boilers to keep burners, heat exchangers, and other components clean and operating smoothly. Cleaning the combustion chamber and heat exchangers can reduce soot buildup, enhance heat transfer efficiency, and lower nitrogen oxide emissions.
By comprehensively implementing the aforementioned measures, it can effectively reduce the emissions of nitrogen oxides from biomass boilers, achieving the goals of environmental protection and energy conservation. The specific measures to be chosen should be based on the characteristics of the boiler, its operating conditions, and emission requirements.
Coal-fired boiler dust removal technology is designed to reduce particulate emissions during the combustion process of coal-fired boilers, protecting the environment and improving air quality. The following are several common coal-fired boiler dust removal techniques:
Mechanical Dust Collectors: Mechanical dust collectors are among the common dust removal equipment, separating particulate matter from flue gas through physical principles. Common types include gravity dust collectors, inertial dust collectors, bag dust collectors, etc. The working principle of mechanical dust collectors is to utilize the inertia, gravity, or filtering effect of particles to separate them from the flue gas.
Electrostatic Precipitator: An electrostatic precipitator uses the force of an electric field to charge the particulate matter 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 spraying water or other liquids to moisten the particulate matter in flue gas, and then separate the moistened particles from the flue gas through gravity or inertial force. They are suitable for treating flue gas with high humidity and sticky particulates.
Electrostatic Precipitator: An electrostatic precipitator uses an electric field to charge particulates in flue gas, then collects the charged particles through the force of the electric field. It is suitable for treating high-temperature flue gas and fine particulates.
Integrated dedusting technology: The integrated dedusting technology combines the two processes of dedusting and dust removal into one, achieving integrated treatment by using shared equipment and processing flue gas together. This technology reduces the footprint of equipment, lowers investment and operational costs.
Above are common coal-fired boiler dust removal technologies, each suitable for different flue gas and particulate matter characteristics. In practical application, an appropriate combination of dust removal technologies can be selected based on specific circumstances to achieve the goal of reducing particulate emissions.
Biomass boilers offer several advantages:
Renewable Energy: Fuel for biomass boilers comes from organic materials such as plants, animals, and microorganisms, making it a renewable energy source. Compared to traditional fossil fuels, biomass fuel has lower carbon emissions and environmental impact, contributing to reduced greenhouse gas emissions and being more environmentally friendly.
Diverse Fuel Sources: Biomass fuel sources are extensive, 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 of biomass boilers can be absorbed by plants, forming a cycle and reducing air pollution. Additionally, the emissions and ash produced during the combustion process of 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 and can reduce energy costs. Moreover, the technology and equipment for biomass boilers are continuously developing and maturing, making them more competitive economically.
Waste Utilization: Biomass boilers can utilize agricultural and forestry by-products such as crop straw, wood waste, 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, cost-effectiveness, and waste utilization, making them a sustainable energy option.
Our company places great emphasis on technological innovation and R&D, boasting one city-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. Equipped with over 600 various instruments and equipment such as 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. Our developed key products such as temperature and pressure vessel welding, biomass boiler emissions reduction, and waste heat utilization have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology Science and Technology Innovation Projects, Shandong Provincial Key Projects, and Heze City Innovation and Excellence Projects. We have accumulated a total of 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 jointly developed deep cryogenic container processing technology using the international plasma arc + wire-inert gas tungsten arc welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement identification, our technology level in the field of deep cryogenic container manufacturing has reached an international standard. Choose ZJ Special Equipment, let's create brilliance together!




































