Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license and 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 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理事 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 American ASME/U2 certification.
The necessity of thermal oil furnace flow control is mainly reflected in the following aspects: 1. Heat Transfer Efficiency: The efficiency of heat transfer in thermal oil furnaces is closely related to the flow rate of thermal oil. An appropriate flow rate ensures that heat is fully transferred in the heat exchanger, enhancing the efficiency of heat utilization. Too low a flow rate may lead to inadequate heat exchange and affect the heat transfer effect; too high a flow rate will increase energy consumption and operating costs. 2. Temperature Control: Flow control in thermal oil furnaces is also closely related to temperature control. By adjusting the flow rate of thermal oil, the temperature inside the furnace can be controlled to ensure stable operation within the set working temperature range. Too low a flow rate may cause temperatures to rise excessively, while too high a flow rate may lead to temperatures dropping too low, both affecting the normal operation of the equipment. 3. System Stability: Appropriate thermal oil flow rates can enhance system stability. Through flow control, the supply and demand of heat can be balanced, preventing overheating or cooling and maintaining stable system operation. Stable operation helps extend the service life of the equipment and reduce the frequency of failures and repairs. 4. Safety: Flow control in thermal oil furnaces is also crucial for safety. Proper flow control can prevent excessive accumulation of thermal oil in the system, reducing the risk of leaks and explosions. Additionally, flow control ensures the system pressure remains within safe limits, avoiding overpressure and other safety issues. In summary, flow control for thermal oil furnaces is necessary for improving heat transfer efficiency, temperature control, system stability, and safety. Rational flow control can optimize the operation of thermal oil furnaces, enhance energy utilization efficiency, reduce operating costs, and ensure the safe and stable operation of the equipment.

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: Excessive air can lower the combustion temperature, making the heat in the flue gas insufficient to reduce the flue gas temperature to a reasonable level. Possible causes include improper burner adjustment and excessive opening of the air door. Flue blockage: Accumulated ash, slag, or other impurities in the flue can obstruct the flow of flue gas, increasing the residence time of the flue gas and raising the exhaust gas temperature. Abnormal thermal oil flow: Abnormal thermal oil flow, either too high or too low, can lead to uneven heat transfer, raising the flue gas temperature. Overheating of the boiler: If the temperature control of the thermal oil boiler is not properly managed, leading to overheating, it can raise the exhaust gas temperature. Design issues of the boiler: Design problems such as a small flue or poor flue gas flow can also cause the exhaust gas temperature to be too high. To solve the problem 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, boiler system modification or repair may be necessary. Additionally, regular maintenance and inspections are important preventive measures against excessive exhaust gas temperature.

During the production welding of a thermal oil boiler, the following points should be noted: - Welder Qualification: Ensure that the welders involved in the welding work possess appropriate qualifications and experience, and are familiar with welding processes and operational procedures. - Welding Material Selection: Choose welding materials suitable for thermal oil boilers, ensuring compatibility with the thermal oil and high-temperature resistance. - Welding Process Control: Select the appropriate welding process based on the material and design requirements of the thermal oil boiler, such as manual arc welding, gas shielded welding, etc. Control welding parameters such as current, voltage, and welding speed to ensure the quality and strength of the weld. - Welding Area Protection: During the welding process, the welding area should be protected to prevent contamination from the thermal oil and welding materials. Use welding screens, welding shields, and other equipment to ensure the cleanliness and safety of the welding area. - Post-Welding Treatment: After welding, post-treatment of the weld is required, such as slag removal, grinding, and cleaning. Ensure the flatness and surface quality of the weld. - Welding Quality Inspection: Conduct welding quality inspections, including visual inspection of the weld, dimension measurement, and non-destructive testing, to ensure the welding quality meets requirements. - Safety Measures: Pay attention to safety measures during the welding process, such as wearing protective goggles, gloves, and fire-resistant clothing, to ensure the safety of the welding operation. - It is important to follow relevant standards and specifications during the welding process to ensure welding quality and safety. If unsure about the welding process or if there are potential safety hazards, seek advice from a welding engineer or consult relevant agencies.

Proper selection of a thermal oil heater requires considering the following aspects: - Thermal Load Requirement: First, determine the thermal load required by the heater, i.e., the heat energy needed. Based on actual requirements, decide on the rated power and thermal load range of the heater to ensure it can meet the required heat energy supply. - Operating Temperature and Pressure: The operating temperature and pressure range of the heater must match the actual application scenario. Choose the appropriate temperature and pressure range based on process requirements and working environment to ensure stable operation of the heater. - Thermal Oil Type: Select the appropriate type of thermal oil based on process requirements and working environment. Common types include silicone thermal oil, organic thermal oil, and mineral oil thermal oil, each with different operating temperature ranges and performance characteristics, so choose according to actual needs. - Equipment Quality and Reputation: Choose a supplier with a good reputation and quality. Ensure the manufacturing process and material quality of the heater are reliable, providing stable and reliable performance and after-sales service. - Safety and Environmental Protection: The safety and environmental protection of the heater are important considerations. Select a heater with safety protection devices and environmental certifications to ensure safety for personnel and equipment during operation. - Economic and Energy Efficiency: Consider the economic and energy efficiency of the heater. Choose a heater with high energy efficiency and energy-saving features to reduce energy consumption and operating costs. Considering all these factors and selecting the appropriate thermal oil heater based on actual needs can ensure stable operation of the equipment.
ZJ Special Equipment adheres to the grand vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer society products and services with high cost-performance!