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, a B-grade boiler installation license, as well as GB2 and GC2 class pressure pipeline installation licenses and equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the council member 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 American ASME/U2 certification.
For the maintenance of industrial gas boilers, here are some common methods and precautions: Clean the burner: Regularly clean the interior and nozzle of the burner to ensure normal combustion of the gas, and avoid carbon buildup and blockages. Inspect the gas supply system: Regularly inspect the gas supply system, including gas pipelines, valves, and pressure regulators, to ensure normal gas supply without leaks or blockages. Clean the flue and heat exchanger: Regularly clean the flue and heat exchanger to remove ash and dirt, maintain heat exchange efficiency, and prevent overheating and energy loss. Check water level and pressure: Regularly inspect the boiler's water level and pressure to ensure safe operation within the specified range. Top up water and adjust pressure to avoid issues caused by low or high water levels. Inspect safety devices: Regularly check the boiler's safety devices, including safety valves, pressure switches, and water level controllers, to ensure they function properly and ensure safe boiler operation. Inspect the control system: Regularly check the boiler's control system, including automatic controllers, sensors, and instruments, to ensure accuracy and reliability, and to promptly detect and repair faults. Regular maintenance: Conduct regular maintenance, including lubricating components, replacing worn parts, and checking electrical connections, to extend the boiler's lifespan and stability. Keep records: Record the boiler's operating parameters, maintenance records, and fault situations to help identify problems and analyze operational conditions. Train operators: Ensure that operators have sufficient

Key benefits of installing expansion tanks in thermal oil heaters include: - Alleviating thermal expansion and contraction: During operation, thermal oil heaters experience thermal expansion and contraction due to temperature changes. The expansion tank provides space for the thermal oil to expand, mitigating the impact of thermal expansion and contraction on equipment and pipelines, and preventing stress concentration and equipment deformation caused by these phenomena. - Protecting equipment and pipelines: The expansion tank absorbs the expansion and contraction of the thermal oil, reducing the impact and vibration on equipment and pipelines. This helps extend the lifespan of the equipment and pipelines, reducing the frequency of maintenance and replacements. - Reducing leakage risk: The expansion tank provides a sealed space, minimizing the risk of thermal oil leakage. When the thermal oil expands, excess oil can be accommodated through the expansion tank, preventing leaks and environmental pollution. - Facilitating maintenance and repairs: The presence of an expansion tank makes it easier to maintain and repair the thermal oil heater system. When repairs or replacements of equipment and pipelines are needed, the expansion tank can be used to control the flow and stoppage of the thermal oil, reducing downtime and the difficulty of maintenance. -In summary, the expansion tank plays a role in alleviating thermal expansion and contraction, protecting equipment and pipelines, reducing leakage risk, and facilitating maintenance and repairs in the thermal oil heater system. It is an important design element that contributes to the safety and reliability of the thermal oil heater system.

The gas steam boiler's annual gas consumption for a 1-ton unit depends on various factors, including the efficiency of the boiler, load conditions, and operating hours. Generally, it can be estimated using the following formula: Gas Consumption (m) = Boiler Efficiency × Rated Thermal Power × Operating Hours. Here, boiler efficiency refers to the boiler's thermal energy utilization efficiency, typically expressed as a percentage; rated thermal power is the boiler's rated thermal output, usually in kilowatts (kW); and operating hours are the duration the boiler operates, commonly measured in hours. It's important to note that the boiler's efficiency and rated thermal power can be determined based on the specific model and parameters of the boiler, while operating hours need to be estimated based on actual usage. Therefore, to accurately calculate the annual gas consumption of a 1-ton gas steam boiler, it is recommended to refer to the technical specifications and operating records of the boiler, or consult the boiler manufacturer or engineer.

The decline in the consumption of thermal oil boilers can be attributed to several factors: 1. Combustion Technology: Modern thermal oil boilers employ advanced combustion technologies, such as premixed combustion and afterburning, which ensure complete fuel combustion, enhance energy utilization, and thereby reduce energy consumption. 2. Heat Recovery: Thermal oil boilers often generate a significant amount of excess heat during flue gas emissions. By utilizing heat recovery systems like flue gas heat recovery boilers or heat exchangers, the excess heat from flue gases can be reclaimed and reused, improving energy efficiency and reducing consumption. 3. Intelligent Control Systems: Contemporary thermal oil boilers are equipped with intelligent control systems capable of real-time monitoring and adjustment of operating parameters such as temperature, pressure, and flow. This intelligent control ensures optimal boiler operation, preventing unnecessary energy waste and loss. 4. Energy-saving Retrofitting and Optimization: For older thermal oil boilers, energy-saving retrofitting and optimization can be carried out. This includes installing energy-saving equipment like variable frequency drives and modified burners to enhance energy efficiency. Additionally, optimizing the boiler system, such as improving pipe insulation and reducing leaks, can further reduce energy losses. 5. Energy Management and Maintenance: Effective energy management and regular equipment maintenance are crucial factors in reducing energy consumption. Rational energy management measures, such as energy monitoring, metering, and promoting energy-saving awareness, can identify and address energy waste issues. Regular equipment maintenance and upkeep ensure smooth operation and prevent unnecessary energy loss. In summary, the reduction in consumption of thermal oil boilers can be achieved through combustion technology, heat recovery, intelligent control systems, energy-saving retrofitting, and effective energy management.
Our company attaches great importance to technological innovation and R&D, boasting 1 municipal-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., and are equipped with over 600 pieces 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 welding for temperature and pressure vessels, emissions reduction in biomass boilers, 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 accumulated 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 Li Yajiang of Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology, which has been appraised at the provincial level and has reached international standards in the field of deep cryogenic container manufacturing.
Choose ZJET Customized Solutions, join hands to create brilliance together!