Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has seven business centers: boiler, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and the Internet of Things. It has three factory sites on 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. It currently employs 710 people, including 247 engineering technicians and 82 middle-level technical personnel. In December 2016, it was recognized as a "High-Tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Industrial and Information Technology Department. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
A biomass boiler bag filter is a commonly used flue gas purification equipment, designed to remove particulate matter from the flue gas produced by the combustion of biomass boilers. Its operating principle is as follows:
Smoke enters the dust collector: The smoke from the biomass boiler combustion chamber passes through the flue into the bag dust collector.
Pre-treatment: Prior to entering the bag filter, flue gas may undergo pre-treatment, such as desulfurization and denitrification, to reduce corrosion and damage to the filter bags.
Filtering: After the flue gas enters the bag dust collector, it passes through the bag filtration area. Inside the bag dust collector, there are a large number of filter bags. As the flue gas passes through the bags, particulates are captured by the bags, 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, which increases in thickness over time. As time goes on, the ash layer can affect the resistance of smoke passing through the filter bag, necessitating a cleaning operation.
Ash cleaning: To maintain the normal operation of the bag dust collector, regular ash cleaning is required. Ash cleaning can be carried out in various ways, such as mechanical impact and pulse blowing. The ash cleaning process causes the ash layer to fall off, with the particles collected in the ash hopper.
Emissions: After dust removal treatment, the purified flue gas meets the emission standards and can be discharged into the atmosphere through the chimney.
Bag dust collectors work 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 can effectively purify flue gas produced by biomass boiler combustion, protecting the environment.

The combustion process of biomass boilers typically includes the following steps:
Supply Fuel: Biomass fuels such as wood chips, straw, wheat straw, fruit shells, etc., are supplied into the combustion chamber. Fuel can be delivered via an automatic feeding system or manually filled into the combustion chamber.
Ignition: Ignite the fuel in the combustion chamber. Ignition can be achieved through an electric spark igniter, ignition fuel, or other ignition devices.
First Ignition: Fuel begins to burn after ignition, initiating a combustion reaction. During the initial combustion stage, volatile components in the fuel start to release, producing combustible gases.
Vaporization and combustion: The volatile fraction of the fuel vaporizes at high temperatures, forming combustible gases such as and . These combustible gases mix with oxygen in the combustion chamber, undergoing combustion reactions to release heat energy.
Combustion Adjustment: Control the stability and efficiency of the combustion process by adjusting parameters such as fuel supply, oxygen supply, and combustion chamber temperature. Automatic control systems can be used to achieve combustion regulation and optimization.
Flue Gas Emission: Flue gases produced during the combustion process are discharged from the boiler through chimneys or flue gas exhaust systems. The flue gases may contain pollutants such as soot, carbon dioxide, and nitrogen oxides, which require treatment by appropriate emission control equipment.
The combustion process of biomass boilers requires reasonable fuel supply, oxygen supply, and combustion adjustment to achieve stable and environmentally friendly combustion effects. Different types of biomass boilers may have varying combustion methods and equipment, but they generally follow similar combustion principles.

Biomass boilers can be roughly divided into two categories based on their applications:
Biomass Hot Water Boilers: Biomass hot water boilers are primarily used for heating and hot water supply. They transfer heat energy to water by burning biomass fuel, producing hot water. This type of boiler is widely used in heating and hot water systems in homes, office buildings, schools, hotels, and other venues.
Biomass Steam Boilers: Biomass steam boilers are primarily used for steam supply in industrial production processes. They generate high-pressure steam at high temperatures by burning biomass fuel, which is then used to power machinery, heating, and processing in various industrial applications. This type of boiler is commonly found in industries such as pulp and paper manufacturing, food processing, and chemicals.
These two types of biomass boilers differ in principle and design, catering to various application scenarios. Whether for hot water or steam boilers, they harness the thermal energy of biomass fuel to utilize renewable energy, featuring environmental protection and energy-saving characteristics.

Energy-saving methods for biomass hot water boilers mainly include the following aspects:
Fuel Selection: Opt for biomass fuels in bulk, such as wood chips and straw, ensuring the moisture content and particle size meet the boiler's requirements. Low moisture content and appropriate particle size of the fuel can enhance combustion efficiency and reduce energy waste.
Combustion Optimization: Enhance combustion efficiency by optimizing the combustion process. Adjust combustion parameters such as temperature and duration to achieve more complete combustion and reduce fuel waste.
Heat Recovery Utilization: Utilize waste heat from flue gas for energy recovery. By installing flue gas waste heat recovery systems, the remaining heat in the flue gas is captured and used for other heating needs, such as heating and hot water, to enhance energy efficiency.
Boiler Insulation: Enhance the insulation of the boiler to minimize heat loss. Insulate the boiler's shell and pipes to reduce heat dissipation and improve the boiler's thermal efficiency.
Control System Optimization: Optimize the boiler control system to achieve temperature and pressure control. Through reasonable control strategies, reduce energy waste and enhance the operational efficiency of the boiler.
Regular Maintenance: Perform regular maintenance on biomass hot water boilers to ensure normal operation. Clean the combustion chamber, heat exchangers, and other components, inspect and replace worn parts, and ensure the boiler's operation.
Energy Management: Establish a scientific energy management system, monitor and analyze energy consumption, and formulate reasonable energy-saving measures. Continuously optimize the operation of boilers through energy management practices to achieve energy-saving goals.
By integrating the above energy-saving methods, the energy utilization efficiency of biomass hot water boilers can be improved, energy waste reduced, and the goal of energy conservation and environmental protection achieved.
Our company attaches great importance to technological innovation and R&D design. We have 1 city-level enterprise technology center in Heze City, with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 types of 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 technology for temperature and pressure vessels, emissions reduction for biomass boilers, and waste heat recovery, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology 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 Li Yajiang of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology, which has been appraised as reaching international standards in the field of deep cryogenic container manufacturing at the provincial level. Choose Zhongjie Special Equipment, let's join hands to create brilliance!