Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company operates seven business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 staff, including 247 engineers and technicians, and 82 intermediate-level technical personnel. In December 2016, it was recognized as a "High-Tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province," and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Excessive exhaust gas temperature in thermal oil boilers may be caused by several factors: Incomplete combustion: If the fuel in the thermal oil boiler is not fully combusted, it results in a large amount of unburned fuel and harmful substances in the flue gas, raising the exhaust gas temperature. Possible causes include insufficient fuel supply, improper burner adjustment, and burner wear. Excessive air: Excess 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 excessively open air gates. Flue blockage: Accumulation of ash, coking, or other impurities in the flue can obstruct flue gas flow, increasing the flue gas residence time and raising the exhaust gas temperature. Abnormal thermal oil flow: Abnormal thermal oil flow, whether too high or too low, can lead to uneven heat transfer, raising the flue gas temperature. Overheating of the boiler: Improper temperature control in the thermal oil boiler can lead to overheating, increasing the exhaust gas temperature. Design issues: Design problems such as a small flue or poor flue gas flow can also cause excessive exhaust gas temperature. To address the issue of high 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, etc. In severe cases, boiler system modifications or repairs may be necessary. Additionally, regular maintenance and inspections are important preventive measures against high exhaust gas temperature.

When addressing issues with gas boilers during the heating process, consider the following aspects: - Check the gas supply: Ensure the gas supply is normal and inspect the gas pipelines for blockages or leaks. If any issues are found, repair or replace the gas pipelines promptly. - Clean the burners and combustion chamber: Regularly clean the burners and combustion chamber to remove soot and dirt. This improves combustion efficiency and reduces gas waste. - Check and adjust the gas-to-air ratio: Ensure the gas-to-air ratio is appropriate for optimal combustion. An incorrect ratio can lead to incomplete combustion or excessive exhaust emissions. - Inspect and clean the heat exchanger: Regularly inspect and clean the heat exchanger to remove soot and dirt. This enhances heat exchange efficiency and ensures heat is effectively transferred to the heating system. - Check and maintain the circulating pump and valves: Ensure the circulating pump and valves are operating properly to allow smooth flow of hot water or steam into the heating system. - Inspect and maintain the control system: Ensure the gas boiler's control system is functioning correctly, allowing for accurate control of parameters such as temperature, pressure, and flow. If problems arise, repair or replace the controller promptly. - Regular maintenance: Conduct regular maintenance on the gas boiler, including cleaning, lubricating, and tightening bolts, to extend its lifespan and reduce the occurrence of malfunctions. - Training and awareness: Provide employee training to enhance awareness of operating and maintaining gas boilers. Improved knowledge and skills among staff help in effective management and resolution of issues during the heating process. - If the issue cannot be resolved or there is a safety

Potential operational issues with the fuel system of a thermal oil furnace include: - Unqualified fuel quality: Using low-quality or contaminated fuel can lead to problems in the fuel system. For instance, the presence of impurities, water, or excessive additives can cause blockages in the fuel pump, nozzle, and burner, affecting fuel supply and combustion efficiency. - Inadequate maintenance of the fuel filter: The fuel filter is designed to filter impurities and particles from the fuel to prevent them from entering the fuel system. If the fuel filter is not regularly cleaned or replaced, it can become blocked, affecting fuel flow and supply. - Incorrect adjustment of the fuel pump: Proper adjustment of the fuel pump is crucial for maintaining stable fuel supply volume and pressure. Improper adjustment can result in either excessive or insufficient fuel supply, leading to incomplete combustion or insufficient fuel supply, affecting the furnace's temperature and thermal efficiency. - Clogged or worn fuel nozzles: Fuel nozzles are critical components that atomize and inject fuel into the furnace. Clogs or wear can lead to uneven or incorrect fuel喷射, affecting combustion efficiency and thermal output. - Insufficient fuel preheating: Fuel must be preheated before entering the burner to enhance combustion. Inadequate preheating can increase fuel viscosity, affecting its fluidity and injection effect. - Fuel system oil leakage: The sealing integrity of the fuel system is vital for stable fuel supply. Oil leakage in the fuel system can lead to instability in fuel supply.

During the operation of a thermal oil furnace, several important matters should be noted: - Temperature Control: Close and constant monitoring and control of the thermal oil temperature is required during the operation of the furnace. Ensure the temperature remains within a safe range to avoid decomposition of the oil at high temperatures or condensation and scaling at low temperatures. Regularly inspect and calibrate the temperature sensors to ensure accurate temperature readings. - Pressure Control: Maintain an appropriate working pressure during the operation of the thermal oil furnace. Excessive pressure can lead to equipment damage or leaks, while insufficient pressure can result in decreased heat transfer efficiency. Regularly inspect and maintain the pressure gauge and safety valve to ensure accurate and safe pressure control. - Oil Quality and Cleanliness: The quality and cleanliness of the thermal oil are crucial for the normal operation of the furnace. Regularly inspect and replace the thermal oil to ensure it meets quality and performance requirements. Regularly clean and maintain heat exchangers, burners, and flues to prevent the accumulation of dust and dirt, which can affect heat transfer efficiency. - Regular Maintenance and Inspection: Regular maintenance and inspection of the thermal oil furnace are necessary to ensure its proper operation and extend its service life. Regularly inspect and clean burners, flues, and heat exchangers, check and replace seals and valves, inspect and calibrate safety devices, to ensure the equipment's safety and reliability. - Safe Operation: Strict adherence to operational procedures and safety protocols is required during the operation of the thermal oil furnace. Operators must possess relevant skills and knowledge.
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