Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, A2-grade pressure vessel manufacturing license, A2-grade pressure vessel design license, B-grade boiler installation license, and GB2/Class, GC2/Class pressure pipeline installation license, as well as an electromechanical installation contracting license. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the理事 member of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
The extinguishing process and maintenance methods for the fully automatic biomass boiler 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 "Off" button on the control panel to stop the burner from operating.
Wait for Cooling: Allow the boiler to cool down to a safe temperature, which usually takes some time. Do not operate during this period to avoid 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 an off-state.
Maintenance Instructions:
Clean combustion chamber: Regularly clean the combustion chamber of 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, particularly those on the flue side. During the combustion process, flue gases may contain particulates and slag, which can adhere to the heat exchanger surface, affecting heat transfer efficiency. Employ appropriate cleaning methods, such as mechanical or chemical cleaning, to reduce the accumulation of dirt.
Inspect and Replace Critical Components: Regularly inspect and replace critical components such as burners, valves, and sensors. Ensure their proper operation and performance to avoid malfunctions and safety hazards.
Water Treatment: Proper water treatment for boiler feed water to prevent impurities and sediments from settling inside the boiler. Methods such as water softening, deoxygenation, and scaling removal can be employed to maintain clean and stable water supply.
Regular Maintenance: Perform regular maintenance and upkeep, including checking and cleaning control systems, inspecting electrical connections, lubricating moving parts, etc. Develop a corresponding maintenance plan based on the boiler's usage and the manufacturer's recommendations.
Above is the extinguishing process and maintenance methods for the fully automatic biomass boiler. Through proper operation and regular maintenance, the safe operation of the boiler can be ensured and its service life extended.

The phenomenon of damaged economizer tubes in biomass boilers may include the following situations:
Pipe Corrosion: Flue gas from biomass combustion contains certain acidic substances, which can lead to corrosion of economizer pipes. Long-term corrosion can result in reduced wall thickness of the pipes, the formation of holes and cracks.
Pipe Blockage: During biomass combustion, flue gas may contain some ash and particulate matter, which may settle and accumulate in the economizer pipes, leading to blockages. Blockages can affect the flow of flue gas and reduce heat exchange efficiency.
Pipe fatigue: The operating temperatures and pressures of biomass boilers vary significantly, leading to long-term thermal expansion and contraction that can cause fatigue damage to economizer pipes, such as cracking and deformation.
In response to the aforementioned issues, the following solutions can be implemented:
Enhanced Corrosion Protection: Corrosion treatment can be applied internally to economizer pipes, such as applying a corrosion-resistant coating or manufacturing the pipes from corrosion-resistant materials, to minimize corrosion occurrence.
Regular Cleaning and Maintenance: Perform regular cleaning and maintenance on the economizer to remove ash and particulate matter from the pipes, preventing blockages. Methods such as mechanical cleaning and water flushing can be employed.
Enhanced Monitoring and Inspection: Regularly inspect economizers, including thickness measurements of pipes and crack detection, to promptly identify issues and implement repair measures.
Optimize Operating Parameters: Reasonably adjust the operating parameters of biomass boilers, such as combustion temperature and air volume, to minimize damage to the economizer.

When planning and arranging the bag filter for biomass boiler, the following aspects should be considered:
Baghouse Filter Position: The baghouse filter should be located near the biomass boiler flue gas outlet to effectively capture particulate matter from the flue gas. Additionally, the position of the baghouse filter should be convenient for operation and maintenance, ensuring ease in cleaning and replacing the filter bags.
Arrangement of flue gas进出口: The flue gas进出口 of the bag dust collector should be connected to the flue gas管道 of the biomass boiler to ensure smooth entry and exit of the flue gas from the collector. The arrangement should consider the uniformity of flue gas flow and minimize resistance to enhance the dust removal efficiency and operating efficiency of the system.
Baghouse dust collector dimensions and capacity: Determine the size and capacity of the baghouse based on the biomass boiler's flue gas flow and particulate load. Ensure the baghouse meets the flue gas treatment requirements and achieves the expected dust removal effect.
Bag arrangement and selection: Bags are the core components of bag dust collectors. Appropriate bag material and specifications should be chosen based on the characteristics of flue gas and particulate matter. The arrangement of the bags should be reasonable to ensure that flue gas can pass through the bags evenly, capturing particles to the maximum extent.
Dust removal system layout: Bag dust collectors require regular cleaning to maintain the cleanliness of the filter bags and the dust removal effect. The layout of the dust removal system should be convenient for operation and maintenance, ensuring the effectiveness and efficiency of the cleaning process.
Arrangement of exhaust pipes: After treatment by a bag filter, flue gas must be emitted into the atmosphere. The arrangement of the exhaust pipes should ensure the safety and compliance of flue gas emissions.
When planning and arranging biomass boiler bag dust collectors, it is recommended to collaborate with environmental engineers or equipment suppliers, design and construct based on specific conditions, to ensure the operation and environmental protection effect of the dust removal system.

A biomass boiler bag dust collector is a commonly used flue gas purification equipment used to remove particulates from the flue gas produced by the combustion of biomass boilers. Its operating principle is as follows:
Flue gas enters the deduster: Flue gas passes through the flue from the biomass boiler combustion chamber into the bag deduster.
Pre-treatment: Prior to entering the bag dust collector, flue gas may undergo pre-treatment, such as desulfurization and denitrification, to minimize corrosion and damage to the bags.
Filtering: After the flue gas enters the bag filter, it passes through the bag filtration area. Inside the bag filter, there are numerous filter bags. As the flue gas passes through the bags, the particulate matter is captured, and the purified flue gas exits through the bags.
Particulate Matter Collection: Particulate matter gradually accumulates on the filter bag, forming a layer of ash. The thickness of the ash layer increases over time. As it progresses, the ash layer affects the resistance of the flue gas passing through the filter bag, necessitating a cleaning operation.
Dust Cleaning: To maintain the normal operation of the bag dust collector, regular dust cleaning is required. Dust cleaning can be carried out in various methods, such as mechanical impact and pulse jetting. Dust cleaning will cause the dust layer to fall off, with particulate matter collected in the dust hopper.
Emission: After dedusting treatment, the purified flue gas meets the emission standards and can be released into the atmosphere through the chimney.
Bag dust collectors operate on the principle of capturing and separating particles through filter bags, maintaining their permeability and dust removal efficiency through continuous cleaning operations. The particle capture capability of bag dust collectors effectively purifies flue gases produced by biomass boiler combustion, protecting the environment.
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 units of various 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 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 science and technology innovation projects, Shandong Province key projects, and Heze City innovative and excellent 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 jointly developed deep cryogenic container processing technology using the internationally recognized plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial-level scientific and technological achievement evaluation has determined that our technology level in the field of deep cryogenic container manufacturing has reached an international standard. Choose Zhongjie Special Equipment, and let's create brilliance together!