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, and GB2/Class and GC2/Class pressure pipeline installation licenses, as well as a mechanical and electrical equipment installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the director unit 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.
When operating a gas boiler, there are three key points to be aware of: 1. Safe Operation: A gas boiler is a heat energy device, and safety must be prioritized during operation. First, ensure the operator has the necessary skills and knowledge, understanding the boiler's working principle and operation procedures. Second, strictly prohibit storing flammable materials around the boiler and maintain good ventilation. Additionally, regularly inspect and maintain the safety valve, pressure gauge, and other safety devices to ensure they function properly. 2. Correctly Adjust Gas Supply: The combustion of a gas boiler requires an appropriate amount of gas supply. During operation, adjust the gas supply according to actual needs to ensure stable combustion. Also, regularly check the sealing of gas pipes and valves to prevent gas leaks. 3. Regular Maintenance and Cleaning: Regular maintenance and cleaning of a gas boiler are crucial for maintaining its normal operation and extending its service life. Regularly inspect all parts of the boiler, clean the burner, flue, and heat exchanger of accumulated dust and dirt to ensure efficient heat transfer and combustion. Moreover, regularly replace filters and clean water treatment equipment to ensure clean water quality, preventing scale and corrosion. It should be noted that the above three points are basic operational guidelines, and specific operational and maintenance requirements may vary depending on the model and specifications of the gas boiler. Therefore, it is advisable to refer to the boiler's operation manual or consult with experts before operating a gas boiler to ensure correct and safe operation.

Excessive exhaust gas temperature in a thermal oil boiler may be due to several reasons: Incomplete combustion: If the fuel is not fully combusted during the boiler's combustion process, it leads to a high concentration of unburned fuel and harmful substances in the flue gas, raising the exhaust gas temperature. Possible causes include insufficient fuel supply, improper adjustment of the burner, and burner wear. Excessive air: Too much air can lower the combustion temperature, making the heat in the flue gas insufficient to reduce the flue gas temperature to a reasonable range. Reasons for excessive air may include improper burner adjustment and overly open air doors. Flue blockage: Accumulated ash, slag, or other impurities in the flue can obstruct flue gas flow, increasing the residence time of the flue gas and raising the exhaust gas temperature. Abnormal thermal oil flow: An abnormal flow of thermal oil, either too high or too low, can lead to uneven heat transfer, increasing the flue gas temperature. Boiler overheating: If the temperature control of the thermal oil boiler is not properly managed, causing overheating, it will raise the exhaust gas temperature. Design issues: Design problems, such as a small flue or poor flue gas flow, may also cause the exhaust gas temperature to be too high. To address the issue of excessive exhaust gas temperature, a comprehensive inspection and analysis of the thermal oil boiler is required. Solutions may include adjusting burner parameters, cleaning the flue, checking thermal oil flow and temperature control. In severe cases, modifications or repairs to the boiler system may be necessary. Additionally, regular maintenance and inspections are crucial preventive measures against excessive exhaust gas temperature.

The management system for gas heat-conducting oil furnace equipment mainly includes the following aspects: 1. Equipment Safety Management System: Establish and improve the safety management system for gas heat-conducting oil furnace equipment, clarify responsibilities and authorities, and ensure the safe operation of the equipment. This includes safety operation procedures, emergency response plans, equipment inspection and maintenance schedules, etc. 2. Equipment Maintenance Management System: Establish an equipment maintenance management system, specifying maintenance responsibilities and plans. This includes regular equipment inspections, maintenance, and repairs to ensure normal and safe operation. 3. Equipment Operation Management System: Establish an equipment operation management system, defining operation procedures and requirements. This includes start-up, shutdown, adjustment, and monitoring processes to ensure equipment safety and operation. 4. Equipment Accident Management System: Establish an equipment accident management system, clarifying reporting, investigation, and handling procedures. This includes accident reporting requirements, accountability, root cause analysis, and improvement measures to reduce accidents and minimize losses. 5. Equipment Training and Assessment System: Establish a training and assessment system to ensure operators possess necessary skills and knowledge. This includes equipment operation training, safety training, and technical training, along with regular assessments of operators. 6. Equipment Record and Management System: Establish a record and management system for equipment, documenting operation, maintenance, and accident records. This includes equipment inventory management, maintenance record completion and preservation, and accident record organization and analysis for equipment management and issue traceability. The above is a basic overview of the management system for gas heat-conducting oil furnace equipment incidents. Specific management systems should be formulated and improved based on actual circumstances. Compliance with relevant laws, regulations, and standards is also required to ensure equipment safety and environmental performance.

The temperature control methods for gas boilers typically include: Manual Adjustment: Temperature control is achieved by manually operating valves or regulators to adjust the gas boiler's temperature. Adjust the valve opening or regulator settings as needed to reach the desired temperature. Automatic Adjustment: Gas boilers can be equipped with an automatic control system that utilizes sensors and controllers for automatic temperature regulation. Sensors detect the boiler's temperature and send signals to the controller, which then automatically adjusts the gas supply and burner status within a set temperature range to maintain the desired temperature. Proportional Control: Temperature regulation for gas boilers can also be done using proportional control. Adjust the valve or regulator opening proportionally based on temperature changes, maintaining a certain proportional relationship between gas supply and burner status and the temperature. PID Control: PID control is a commonly used temperature regulation method. The PID controller adjusts the gas supply and burner status based on temperature deviations, rates of change, and integral values to achieve temperature control. It is important to note that different gas boilers may use different temperature control methods. The specific adjustment methods and operation procedures should be determined according to the boiler model and control system. When adjusting the temperature, follow safety operation procedures to ensure normal operation and safety of the boiler.
Our company highly values 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, and more. Equipped with over 600 various instruments and equipment such as CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, and plasma welding machines, our key products like temperature-pressure vessels for welding, biomass boiler emissions reduction, and waste heat recovery have successively been included in multiple Shandong Provincial Department of Industry and Information Technology innovation projects, key provincial projects, and Heze City innovation and excellence projects. We have accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc + filled wire argon arc welding (PAW-GTAW) technique, which has been appraised as reaching international standards in deep cryogenic vessel manufacturing at the provincial level.
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