Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001 and is located at No. 2218 Jinnan Road, Economic 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-freezing containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It operates three factory sites at Jinnan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. Currently, there are 710 employees, including 247 engineers and technicians and 82 intermediate-level technicians. 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 of Shandong Province" by the Industrial and Information Technology Department. In June 2022, it was identified as a "Gazelle Enterprise of 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.
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, which separate particulate matter from flue gas through 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 effect of particles to separate them from the flue gas.
Electrostatic Precipitator: An electrostatic precipitator utilizes 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 Scrubber: A wet scrubber humidifies particulates in flue gas using spray water or other liquids, then separates the humidified particulates from the gas through gravity or inertial force. Wet scrubbers are suitable for treating flue gas with high humidity and sticky particulates.
Electrostatic Precipitator: An electrostatic precipitator utilizes the force of an electric field to charge particles in flue gas, then collects the charged particles by the action of the electric field. Suitable for the treatment of 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, each suitable for different flue gas and particulate matter characteristics. In practice, the appropriate dust removal technology combination can be selected based on specific conditions to achieve the goal of reducing particulate matter emissions.
The application methods for biomass boilers can be selected and adjusted according to specific application needs and scenarios. Here are some common application methods:
Heating System: Biomass boilers can be used in heating systems to provide hot water or steam for buildings, industrial workshops, etc. Heat energy can be transmitted through pipelines to the areas requiring heating, meeting the needs for heating and hot water.
Industrial Production: Biomass boilers can be used for thermal energy supply in industrial production processes, such as food processing, pulp and papermaking, and chemical industries. The thermal energy provided by biomass boilers meets the heating and steam requirements in industrial production.
Greenhouse Heating: Biomass boilers can be used in greenhouse heating systems to provide hot water or steam for greenhouses, maintaining suitable temperature and humidity within the greenhouse to promote plant growth.
Rural Heating: Biomass boilers can be used in rural heating systems to provide heating and hot water for rural residents. They can meet the heating needs of rural areas through centralized or decentralized heating.
Hot Water Pump Drying: Biomass boilers can be used in hot water pump drying systems for drying wood, grain, and other materials. By providing hot water or steam, it accelerates the drying process and improves efficiency.
Biomass Power Generation: Biomass boilers can be integrated with power generation equipment for biomass power generation. By burning biomass fuel to produce steam, it drives the generator to generate electricity, realizing the utilization and transformation of energy.
Above are some common application methods for biomass boilers. Depending on specific requirements and scenarios, you can choose an appropriate application method and configure and adjust it in combination with relevant equipment and systems.
To prevent rear combustion accidents in biomass boiler exhaust, the following operational measures can be taken:
Properly Adjust Combustion Parameters: Ensure the stability and completeness of the combustion process, avoiding fuel accumulation and re-burning in the tail section. Reasonably control parameters such as combustion temperature, air flow, and combustion time to maintain a smooth and thorough combustion process.
Enhance combustion chamber mixing and air flow distribution: By optimizing the combustion chamber structure and combustion system design, ensure thorough mixing of fuel and air, and prevent fuel accumulation and re-burning at the tail end. Rationalize the air flow distribution within the combustion chamber to ensure uniform fuel combustion.
Regular cleaning of furnace and flue: Regularly clean the ash and carbon deposits inside the furnace to maintain cleanliness. Clean the flue and waste heat recovery equipment to prevent particle accumulation and ash in the flue gas, reducing the risk of re-burning.
Install Flue Gas Recirculation (FGR) Unit: Install a flue gas recirculation unit at the rear of the boiler to reignite the exhaust gases, enhancing combustion efficiency, and reducing the likelihood of secondary combustion at the rear.
Enhance operational monitoring and maintenance: Regularly monitor and maintain biomass boilers to promptly identify and address any anomalies. Monitor combustion parameters, flue gas emissions, and temperature, ensuring the boiler operates smoothly.
Ensure comprehensive safety training and operational procedures: Conduct safety training for operators to enhance their understanding of biomass boiler operation and safety protocols.
Biomass boilers may experience issues with ash accumulation and slagging during prolonged operation. These problems can affect the boiler's combustion efficiency and safety. Here are methods for dealing with ash accumulation and slagging in biomass boilers:
Regular Cleaning: Regularly cleaning the boiler of slag and accumulated carbon is crucial in preventing the buildup of ash and scaling. A cleaning schedule can be tailored based on the boiler's usage, encompassing areas such as the combustion chamber, flue, and heat exchanger. During cleaning, appropriate tools and cleaning agents should be used to ensure the removal of slag and carbon deposits.
Adjust combustion parameters: Properly adjusting the combustion parameters of biomass boilers can reduce the occurrence of ash accumulation and slagging. For instance, adjusting the combustion temperature, oxygen supply, and combustion time can enhance combustion efficiency and decrease the generation of ash and slag.
Additives Usage: During biomass combustion, certain special additives can be added, such as ash inhibitor and slagging inhibitor. These additives can reduce the formation of ash and carbon buildup, enhancing the boiler's cleanliness and combustion efficiency. The use of additives should be based on specific conditions and manufacturer recommendations.
Regular inspections and maintenance: Regularly inspect and maintain all components of the biomass boiler, including burners, fans, flues, and heat exchangers, to promptly identify and address issues like ash buildup and coking. During the inspection, you can clear blocked parts and repair damaged ones, ensuring the boiler operates smoothly.
Note that dealing with biomass boiler ash and slagging issues requires a case-by-case approach. Consult with boiler maintenance personnel or manufacturers for more detailed and accurate advice. Additionally, regular cleaning and maintenance are crucial measures to prevent ash and slagging problems.
Our company attaches great importance to technological innovation and research and development, boasting one municipal-level enterprise technology center in Heze City. We have established test facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 pieces of 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 and technologies we have developed, such as temperature-pressure vessels for welding, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent 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 Li Yajiang of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + wire feeding argon arc welding (PAW-GTAW) technique, which has been appraised as internationally competitive at the provincial level in the field of deep cryogenic container manufacturing. Choose Zhongjietech, let's create brilliance together!




































