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 and GC2/Class pressure pipeline installation licenses, as well as equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a director unit of the Shandong Equipment Manufacturing Association. The company has also passed ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the U.S. ASME/U2 certification.
Industrial Boiler Thermal Deaeration is a commonly used deaeration method, featuring: - Deaeration: Thermal deaeration involves heating the boiler feed water to release dissolved oxygen from the water using heat. As the water temperature rises during the thermal deaeration process, the solubility of oxygen decreases, allowing for the effective removal of oxygen from the water. - No Chemicals Required: Unlike other deaeration methods, thermal deaeration does not require the use of chemicals, thus avoiding environmental pollution and equipment corrosion caused by chemicals. It also reduces operational costs and complexity. - Automated Control: Thermal deaeration can be achieved through an automated control system, which adjusts the feed water temperature and flow based on the boiler's operating status and water quality to achieve optimal deaeration results. - Wide Application Range: Thermal deaeration is suitable for various types of industrial boilers, including coal-fired, gas-fired, and oil-fired boilers. Whether it's a small or large boiler, thermal deaeration can be used for deaeration treatment. - Improved Boiler Efficiency: Removing dissolved oxygen from the water reduces corrosion and oxidation reactions within the boiler, extending its lifespan. Additionally, reducing oxygen levels can enhance the boiler's thermal efficiency and lower energy consumption. - Note: While thermal deaeration effectively removes oxygen from the water, it may not address other water quality issues such as hardness and alkalinity, which may require alternative water treatment methods. Therefore, in practical applications, it is necessary to consider water quality characteristics and boiler requirements to select the appropriate deaeration method.

Clean and environmentally friendly gas boilers offer several advantages: Low emissions: The exhaust emissions from gas combustion are relatively low, with less pollutants like nitrogen oxides and particulates released. Compared to coal or oil-fired boilers, gas boilers have lower emissions and cause less environmental pollution. High thermal efficiency: Gas combustion has a higher thermal efficiency, allowing for the full utilization of fuel energy and reducing energy waste. Compared to other traditional fuels like coal and oil, gas combustion is more efficient, providing more heat energy. Clean combustion: Gas combustion does not produce ash or soot, reducing the accumulation of carbon and dirt inside the boiler and in the flue. This reduces the cleaning and maintenance work of the boiler, extending its lifespan. Stable combustion: The combustion performance of gas is stable, with no significant flame fluctuations or explosion risks during the combustion process. This makes gas boilers safer and more reliable in operation. Fast start-up and shutdown: Compared to other fuels, gas boilers have a faster and more flexible start-up and shutdown process. This makes gas boilers suitable for scenarios requiring frequent start-ups and shutdowns, such as seasonal heating and hot water needs. Renewable energy integration: As a clean fuel, gas can be combined with renewable energy sources, such as solar hot water systems and biomass fuels. This integration can further improve energy utilization efficiency and environmental friendliness.

Common issues and troubleshooting methods for gas boiler burners are as follows: - No flame or unstable flame: Check if the gas supply is normal and ensure the gas valve is open. Clean the burner nozzle to ensure the passage is clear. Inspect the ignition electrode for cleanliness, carbon buildup, or dirt. Adjust the gas-to-air ratio to ensure proper mixture. - Incomplete combustion or black smoke: Check if the gas supply is sufficient and adjust the gas pressure. Clean the burner nozzle and combustion chamber to ensure the passage is clear. Adjust the gas-to-air ratio to ensure proper mixture. Check for carbon buildup or dirt in the burner and clean or replace damaged parts. - Difficulty in ignition or failure to ignite: Inspect the ignition electrode for cleanliness, carbon buildup, or dirt. Adjust the position and gap of the ignition electrode to ensure normal spark generation. Check if the ignition transformer or controller is functioning properly, repair or replace damaged parts. - Abnormal noise from the burner: Check if the gas supply is normal and ensure the gas valve is open. Inspect the burner and combustion chamber for loose parts, secure or replace damaged parts. Clean the burner and combustion chamber to ensure no carbon buildup or dirt. - If the above methods do not resolve the issue, it is recommended to contact a gas boiler maintenance professional for inspection and maintenance. Additionally, to ensure safety, follow the relevant safety operating procedures when using a gas boiler.

The inspection content and requirements for gas-fired boilers typically include the following aspects: - Safety Valve and Pressure Gauge: Check the installation and securing of the safety valve and pressure gauge to ensure proper operation and accurate pressure display. - Combustion System: Inspect the operational status of the burner, including ignition, combustion, and combustion stability. Verify the connections of the gas supply pipeline and valves to ensure no leaks. - Flue and Heat Exchanger: Check the cleanliness of the flue and heat exchanger, for accumulated dust and dirt, to ensure heat exchange efficiency and smoke emissions meet requirements. - Water Level Control System: Inspect the operational status of the water level controller and gauge to ensure accurate and reliable water level control, preventing excessive or low water levels. - Gas Supply System: Check the installation and connections of the gas supply pipeline and valves to ensure normal gas supply and no leaks. - Electrical System: Inspect the wiring and connections of the electrical system, including power supply, controllers, and sensors, to ensure normal operation of electrical equipment and avoid electrical failures. - Safety Devices: Check the operational status of safety devices, including safety valves, pressure switches, and temperature controllers, to ensure proper functioning and ensure safe boiler operation. - Records and Documents: Review the boiler's operating records, maintenance records, and inspection reports, ensuring the completeness and accuracy of the operating and maintenance records. The inspection of gas-fired boilers should be conducted by institutions or individuals with the appropriate qualifications, adhering to relevant laws, regulations, and standards. The frequency and specific requirements of the inspection can be determined based on the boiler's usage and local regulations. Timely inspections and maintenance can ensure the safe operation and performance of gas-fired boilers.
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 testing, welding testing, hydrostatic testing, etc. We have 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 more. Our key products and technologies, such as temperature and pressure vessel welding, biomass boiler emissions reduction, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence 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. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technique. This technology has been appraised as reaching international standards in the field of deep cryogenic container manufacturing at the provincial level.
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