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, B-grade boiler installation, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as a qualification for electromechanical equipment installation contracting. It is a member of the China Boilers and Water Treatment Association, the China Chemical Equipment Association, and the Council Unit 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.
Biomass fuel refers to fuels made from biomass materials that can be used for energy production. Common types of biomass fuel include:
Timber and wood chips: Including firewood, charcoal, and wood pellets, etc.
Crop straw: such as corn straw, rice straw, etc.
Energy crops: such as sugarcane, corn, rapeseed, etc.
Animal Manure: such as cow dung, chicken dung, etc.
Biogas produced through anaerobic fermentation of organic waste.
Bio-oil: such as vegetable oils, animal fats, etc.
Bioethanol: Ethanol fuel produced by fermentation of plants.
Biofuel: Fuel produced through esterification reactions from vegetable oils or animal fats.
These biomass fuels can be used for power generation, heating, and fuel alternatives, offering advantages such as renewability and low carbon emissions.

Biomass boiler furnace ash blowing refers to the process of cleaning the combustion area within the furnace by using an ash blowing device. The purpose of ash blowing is to remove the ash and slag inside the furnace, maintain the unobstructed flow of the combustion area, and enhance the combustion efficiency and operational stability of the boiler.
The ash blowing operation in the furnace generally involves two methods: mechanical ash blowing and pulse ash blowing.
Mechanical Ash Blowing: Mechanical ash blowing involves using mechanical devices, such as rotary ash blowers and chain ash blowers, to clean the combustion area within the furnace chamber. The mechanical ash blower rotates or moves periodically, removing ash and slag from the combustion area.
Pulse Jet Cleaning: Pulse jet cleaning utilizes high-pressure gas or compressed air to propel a jet of air into the combustion area of the furnace through nozzles, creating shock and vibration that dislodge ash and soot. It is characterized by its effective and quick ash removal.
The impact of the furnace ash blowing operation on biomass boilers is mainly reflected in the following aspects:
Clean combustion area: The furnace ash blowing can burn the slag and accumulated ash in the combustion area, keeping the combustion area unobstructed, which is conducive to the full combustion of fuel and improves the combustion efficiency.
Reduce smoke gas resistance: Furnace blowing ash can burn the slag and accumulated ash in the combustion area, reducing the resistance in the smoke gas passage, which is conducive to the smooth discharge of smoke gas and improves the heat exchange efficiency of the boiler.

Biomass boilers typically include the following main components:
Combustion chamber: An area designed for burning biomass fuel, providing the space and oxygen required for combustion.
Grate: A metal grid located at the bottom of the combustion chamber, used to support fuel and facilitate the flow of gases and slag during the combustion process.
Combustion System: Includes the fuel supply system, air supply system, and ignition system, designed to control the supply of fuel and air for the combustion process.
Flue Gas Treatment System: Includes flue gas purification equipment such as dust collectors, desulfurization and denitrification units, designed to purify flue gases produced by combustion and reduce environmental pollution.
Boiler piping system: Includes water pipes, steam pipes, and flue gas pipes, used for transferring heat and flue gas.
Heat Exchanger: Transfers heat energy produced by combustion to working medium such as water or steam, achieving energy conversion.
Control System: Includes automatic control equipment, sensors, and instruments for monitoring and controlling the boiler's operational status, ensuring safety and performance.
Equipment: Includes water supply systems, waste discharge systems, ash and slag handling systems, and fuel storage systems, all necessary for the operation of the boiler.
These devices collectively form the basic structure of biomass boilers, enabling the combustion of biomass fuel and the energy conversion process. The specific devices and configurations will vary depending on the type, scale, and application requirements of the boiler.

The SZL biomass chain grate steam boiler is a specific type of biomass boiler that utilizes chain grate technology to burn biomass fuel and generate steam. Below are some features and characteristics of the SZL biomass chain grate steam boiler:
Briquette Design: The SZL biomass chain grate steam boiler employs a chain grate, where fuel is progressively pushed through the grate layers for a continuous combustion process. The chain grate offers ample combustion space and extended burn time, ensuring complete combustion of biomass fuel.
Multi-fuel Adaptability: The SZL biomass chain grate steam boiler is suitable for various biomass fuels such as wood chips, straw, rice husk, etc. It boasts strong fuel adaptability and can choose the appropriate fuel for combustion based on actual conditions.
Heat Exchanger: The heat exchanger for the SZL biomass chain steam boiler maximizes the utilization of the heat energy in flue gas, enhancing thermal efficiency. The design and material selection of the heat exchanger have been optimized to achieve effective heat conduction and exchange.
The control system: The SZL biomass chain steam boiler is equipped with a control system that can accurately control and adjust parameters such as temperature, pressure, and fuel supply. The control system is equipped with safety protection functions, such as overheat protection and low water level protection, ensuring the safe operation of the boiler.
Environmental-friendly Low Emission: The SZL biomass chain grate steam boiler utilizes
Our company attaches great importance to technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical tests, welding tests, hydrostatic tests, etc. We have over 600 types of equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property test machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. The key products and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been included in 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 model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has jointly developed deep cryogenic container processing technology, utilizing the international plasma arc + wire filling argon arc welding (PAW-GTAW) technology. After the provincial-level scientific and technological achievement evaluation, the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!