Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan 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 has 7 business centers: boilers, deep-freezing vessels, pressure vessels, central air conditioning, engineering installation, international trade, and the Internet of Things. It has three manufacturing sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop area being 83,000 square meters. It currently employs 710 people, including 247 engineering and technical staff and 82 middle-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.
Inspection Content and Requirements for Gas Boilers Generally Include the Following Aspects: - Safety Valve and Pressure Gauge: Check the installation and fastening of the safety valve and pressure gauge to ensure proper operation and accurate pressure display. - Combustion System: Inspect the operating condition of the burner, including ignition, combustion, and combustion stability. Check the connections of the gas supply pipes and valves to ensure no leaks. - Flue and Heat Exchanger: Check the cleanliness of the flue and heat exchanger, including dust and dirt, to ensure heat exchange efficiency and smoke emissions meet requirements. - Water Level Control System: Inspect the operation 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 pipes 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 operating condition of safety devices, including safety valves, pressure switches, and temperature controllers, to ensure proper operation and ensure safe boiler operation. - Records and Documents: Review the boiler's operating, maintenance, and inspection records, ensuring complete and accurate records of operation and maintenance. The inspection of gas boilers should be conducted by institutions or individuals with the appropriate qualifications, in accordance with 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 ensure safe and efficient operation of gas boilers.

The necessity of thermal oil furnace flow control is primarily 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 the thermal oil. An appropriate flow rate ensures that heat is fully transferred within the heat exchanger, enhancing the utilization efficiency of heat energy. An excessively low flow rate may result in insufficient heat exchange, affecting the heat transfer effect; conversely, an excessively high flow rate will increase energy consumption and operational costs. 2. Temperature Control: Flow control in thermal oil furnaces is also closely linked to temperature control. By adjusting the flow rate of the thermal oil, the temperature within the furnace can be controlled, ensuring stable operation within the set working temperature range. An excessively low flow rate may lead to excessive temperatures, while an excessively high flow rate could result in temperatures being too low, both of which can impact the normal operation of the equipment. 3. System Stability: An appropriate flow rate of thermal oil can enhance system stability. Through flow control, the supply and demand of heat energy can be balanced, avoiding overheating or excessive cooling, and maintaining stable system operation. Stable operation contributes to extending the lifespan of the equipment and reducing the frequency of failures and maintenance. 4. Safety: Flow control in thermal oil furnaces is also closely related to safety. Appropriate flow control can prevent excessive accumulation of thermal oil in the system, reducing the risk of leakage and explosion. Moreover, flow control can ensure that system pressure remains within a safe range, avoiding overpressure and other safety issues. In summary, flow control in thermal oil furnaces is essential for improving heat transfer efficiency, temperature control, system stability, and safety. Rational flow control can optimize the operation of the furnace, enhance energy utilization efficiency, reduce operational costs, and ensure the safe and stable operation of the equipment.

Yes, thermal oil boilers typically feature some self-protection functions to ensure safe operation and extend their service life. Here are some common self-protection features: Overheat Protection: Thermal oil boilers are equipped with overheat protection devices that automatically shut off the burner's gas supply when the thermal oil temperature exceeds the set safe range, preventing overheating of the thermal oil and avoiding equipment damage and safety accidents. Overpressure Protection: Thermal oil boilers also have overpressure protection devices that automatically shut off the burner's gas supply when the thermal oil pressure exceeds the set safe range, preventing explosions or leaks in the thermal oil system. Burner Automatic Control: The burners of thermal oil boilers are usually equipped with automatic control systems that can automatically adjust the gas supply and combustion effect based on set operating parameters, maintaining a stable combustion state and avoiding incomplete or excessive combustion. Temperature Control and Adjustment: Thermal oil boilers are typically equipped with temperature control and adjustment devices that can automatically regulate the circulation and heating of the thermal oil based on the set working temperature, maintaining a stable operating temperature and avoiding excessively high or low temperatures. Water Level Protection: For some thermal oil boilers, especially water tube thermal oil boilers, water level protection devices are also provided to monitor the water level of the thermal oil and water. When the water level is abnormal, the protection device automatically shuts off the burner's gas supply to prevent dry burning and thermal oil leakage. It is important to note that although thermal oil boilers have self-protection functions, they still require regular inspections and maintenance to ensure the normal operation and reliability of these protection devices. Additionally, operators need to understand and master the working principles and operation methods of these self-protection functions to ensure safe operation.

When addressing issues with gas boilers during the heating process, consider the following aspects: - Check gas supply: Ensure the gas supply is normal and inspect for any blockages or leaks in the gas pipeline. If problems are found, repair or replace the gas pipeline promptly. - Clean burners and combustion chambers: Regularly clean the burners and combustion chambers to remove dust and dirt. This enhances 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 waste gas. - Inspect and clean the heat exchanger: Regularly inspect and clean the heat exchanger to remove dust and dirt. This boosts heat exchange efficiency and ensures effective heat transfer to the heating system. - Inspect and maintain the circulating pump and valves: Ensure the circulating pump and valves are operating correctly 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 operates properly, allowing for accurate control of temperature, pressure, and flow parameters. If issues 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 enhancement: Provide staff training to strengthen their awareness of operating and maintaining gas boilers. Improved knowledge and skills can aid in effective management and problem-solving related to the heating process. - If problems cannot be resolved or there are safety concerns, seek professional assistance.
ZJ Special Equipment adheres to the great 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, offering products and services with high cost-performance to the society!