Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, a B-grade boiler installation license, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as an electromechanical equipment installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the Council Member of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the U.S. ASME/U2 certification.
The popularity of biomass thermal oil boilers can be attributed to several key factors:
Environmental Friendliness: Biomass thermal oil heaters utilize biomass fuels such as wood chips, straw, etc., which are renewable resources. These fuels produce relatively fewer emissions during combustion, causing less environmental impact. Compared to traditional coal thermal oil heaters, biomass thermal oil heaters can reduce emissions of harmful gases like carbon dioxide, nitrogen oxides, and particulates.
Energy Sustainability: Biomass fuel is a renewable energy source with a relatively stable supply, but like fossil fuels, it is limited by geographical and resource constraints. The use of biomass thermal oil boilers helps reduce dependence on traditional energy sources and promotes the sustainable development of energy.
Low fuel costs: Biomass fuel is more affordable compared to traditional fuels like oil and gas. Utilizing biomass fuel can reduce energy costs and enhance energy efficiency.
Flexibility: The biomass thermal oil boiler is adaptable to various biomass fuels, such as sawdust, straw, etc., offering strong fuel versatility. It allows for the selection of appropriate fuels based on actual conditions, enhancing flexibility and operability.
The biomass thermal oil boiler uses thermal oil as the heat transfer medium, offering high heat transfer efficiency. The thermal oil boasts high thermal conductivity and stability, enabling effective heat energy transfer and utilization.
Widely Applicable: Biomass thermal oil heaters are extensively used in industrial sectors such as textile, chemical, and food processing industries. They provide a stable energy supply to meet the demands of industrial production.

Biomass boilers and coal-fired boilers differ in terms of fuel, environmental performance, and sustainability.
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 large amounts of carbon dioxide and other pollutants.
Environmental Performance: Biomass boiler combustion results in relatively lower emissions of pollutants such as carbon dioxide, nitrogen oxides, and particulates. In contrast, coal-fired boiler combustion leads to higher emissions of pollutants, including nitrogen oxides, particulates, and heavy metals, which significantly impact atmospheric environment and human health.
Sustainability: Biomass fuel is a renewable resource, which can be sustainably cultivated and recycled through regeneration cycles. Coal, on the other hand, is a finite resource, and mining and burning it can cause environmental damage.
Combustion Efficiency: The combustion efficiency of biomass boilers is relatively low due to the complex chemical and physical properties of biomass fuel, which tend to produce more ash and carbon deposits 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 Requirements: Biomass boiler compared to coal-fired boiler

The extinguishing process and maintenance methods for fully automatic biomass boilers are as follows:
Extinguishing Process:
Cease fuel supply: Prior to extinguishing the biomass boiler, stop the fuel supply first to ensure the fuel supply pipeline is closed.
Turn off the burner: Switch the burner's switch or the extinguish button on the control panel to the off position to stop the burner from operating.
Cooling Off: Allow the boiler to cool to a safe temperature, which usually takes some time. Do not operate during this period to avoid any accidents.
Shut off Power: After the boiler has completely cooled down, turn off the power switch of the boiler to ensure the boiler is in a power-off state.
Maintenance Instructions:
Clean combustion chamber: Regularly clean the combustion chamber to remove ash and dirt generated during the combustion process. Use appropriate tools and cleaning agents to ensure the chamber remains clear and clean.
Heat Exchanger Cleaning: Regularly clean heat exchangers, especially those on the flue side. Combustion process emissions may contain particulates and slag, which can adhere to the heat exchanger surface, affecting heat transfer efficiency. Employing appropriate cleaning methods, such as mechanical or chemical cleaning, can reduce the accumulation of dirt.
Inspect and Replace Critical Components: Regularly inspect and replace critical components such as burners, valves, sensors, etc. Ensure these parts operate and perform normally to avoid malfunctions and safety hazards.
Water Treatment: Perform appropriate water treatment for boiler feed water to prevent impurities and sediments from accumulating inside the boiler. Methods such as water softening, oxygen removal, and scale elimination can be used to maintain clean and stable water supply.
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To reduce NOx emissions from biomass boilers, the following measures can be taken:
Optimized Combustion Control: By optimizing the combustion process, controlling the combustion temperature and oxygen supply, and reducing NOx emissions. Adjusting the burner's structure and parameters can make the combustion more thorough and even, minimizing the formation of localized hot spots.
Combustion Chamber Design Enhancement: Improved design of biomass boiler combustion chambers, increasing mixing and residence time to enhance fuel and air mixture, reducing NOx emissions.
SNCR Technology: Selective Non-Catalytic Reduction (SNCR) technology involves adding a reductant, such as urea, during the combustion process to react with NOx and convert it into nitrogen and water. This technique effectively reduces NOx emissions but requires systematic design and adjustment based on specific conditions.
SCR Technology: Selective Catalytic Reduction (SCR) technology is a NOx control method that involves adding a catalyst to flue gas, such as, to react with NOx and convert it into nitrogen and water. SCR technology achieves high NOx removal efficiency, but requires significant investment and operating costs.
Flue Gas Recirculation (FGR): This technology recycles a portion of flue gas back into the combustion process, reducing combustion temperature and minimizing NOx formation. NOx control can be achieved by adjusting the recirculation ratio.
Regular maintenance and cleaning: Regular maintenance of biomass boilers
Our company places great emphasis on technological innovation and R&D, boasting 1 municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more. Equipped with 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 others, our developed technologies for temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology innovation projects, key provincial projects, and Heze City innovation and excellence projects. We have accumulated 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 of Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technique, which 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!