Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, 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-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians, and 82 middle-level technicians. It was recognized as a "High-tech Enterprise" by the Science and Technology Department in December 2016, as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology in June 2021, as a "Gazelle Enterprise in Shandong Province" by the Ministry of Industry and Information Technology in June 2022, and as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology in August 2022.
If the thermal oil furnace circulating pump encounters issues, follow these steps for troubleshooting: 1. Shutdown and Inspect: First, stop the thermal oil furnace operation and disconnect the power. Check for any obvious signs of malfunction, such as unusual noises, oil leaks, or leaks. Inspect the motor for normal operation and excessive heat generation. 2. Clean the Pump Body: If sediment or debris are found in the pump body, clean them. Use appropriate tools and cleaning agents to remove dirt and obstructions from within the pump. Ensure safe operation to avoid damaging the pump body. 3. Check Pump Connections: Inspect the pump connections, including inlet and outlet pipes, valves, and seals. Ensure they are securely fastened, valves operate smoothly, and seals are intact. Repair or replace immediately if loose or damaged. 4. Inspect the Pump Motor: Check the motor for normal operation and any abnormal sounds or overheating. Inspect the power lines and control system of the motor to ensure normal power supply and correct control signals. 5. Check the Lubrication and Cooling System: Ensure the pump's lubrication and cooling systems are functioning properly. Check the supply of lubricating oil or grease, as well as the circulation and temperature control of cooling water or coolant. 6. Adjust Pump Parameters: Depending on the situation, you may need to adjust pump parameters like flow rate and lift. Adjust the pump speed or valve opening according to equipment requirements and operating conditions to meet the thermal energy needs of the furnace. 7. Seek Repair if Necessary: If the above steps do not resolve the issue or more extensive maintenance is required, it is recommended to seek repair services. Contact a repair technician or manufacturer's technical support for further troubleshooting and repair. It is crucial to prioritize safe operation and adhere to relevant operational procedures and safety requirements when dealing with thermal oil furnace circulating pump issues. If unsure about how to proceed or if there are safety concerns, seek assistance immediately.

The main benefits of installing expansion tanks in thermal oil heaters are as follows: - 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 pipes, and preventing stress concentration and equipment deformation caused by these changes. - Protecting equipment and pipes: The expansion tank absorbs the expansion and contraction of the thermal oil, reducing the impact and vibration on equipment and pipes. This helps extend the lifespan of equipment and pipes, and decreases 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 the expansion tank makes maintenance and repairs of the thermal oil heater system more convenient. When equipment or pipes need to be repaired or replaced, the flow and shutdown of the thermal oil can be controlled through the expansion tank, reducing downtime and the difficulty of maintenance. - In summary, the expansion tank plays a role in alleviating thermal expansion and contraction, protecting equipment and pipes, reducing leakage risk, and facilitating maintenance and repairs in the thermal oil heater system. It is an essential design element that contributes to the safety and reliability of the system.

Before starting the heating gas hot water boiler, the following correct procedures must be followed: - Check the gas supply system: Ensure the gas supply system is operating properly, inspect gas pipes, valves, and pressure regulators, ensuring there are no leaks or blockages in the gas supply. - Check the water system: Inspect the water circulation system of the heating system, including pumps, valves, and pipes, ensuring the waterway is clear with no leaks or blockages. - Check the electrical system: Inspect the boiler's electrical system, including power connections, controllers, and sensors, ensuring electrical equipment is functioning normally. - Check the safety devices: Inspect the boiler's safety devices, including safety valves, pressure switches, and water level controllers, ensuring they are operating correctly to guarantee safe boiler operation. - Prepare for ignition: According to the boiler's operating instructions, prepare the tools and equipment needed for ignition, including an igniter and ignition electrode. - Open the gas valve: Slowly open the gas valve to ensure a steady gas supply and avoid gas surges. - Ignition start-up: Follow the boiler's operating instructions for ignition start-up. Perform the appropriate actions based on the boiler model and control system to ensure smooth ignition. - Monitor operating status: After startup, closely monitor the boiler's operating status, including combustion, water level, and pressure, ensuring normal operation without any anomalies. - Adjust parameters: Adjust the boiler's parameters as needed, including temperature, pressure, and water level, to meet the requirements of the heating system. - Regular maintenance: After startup, perform regular maintenance, including cleaning the burner, checking water level and pressure, and replacing worn parts, to ensure normal operation and safety of the boiler. - It is recommended to refer to the boiler's operation manual and manufacturer's guidelines before starting the heating gas hot water boiler to ensure correct and safe operation. If necessary, personnel can be requested for operation and maintenance.

Industrial boilers, during their long-term operation, can accumulate scale and sediments, affecting heat exchange efficiency and the normal operation of the boiler. Here are some effective descaling methods: 1. Mechanical Cleaning: This involves using cleaning equipment and tools to wash away scale and sediments within the boiler using high-pressure water or mechanical brushes. This method is suitable for lighter scale and sediment buildup. 2. Chemical Cleaning: Utilizing chemical cleaning agents, scale and sediments are dissolved through chemical reactions. Select the appropriate cleaning agent based on the composition and nature of the scale, and follow the instructions provided. Safety in operation is crucial to avoid damage to equipment and the environment. 3. Acid Cleaning: Acid cleaning is a common descaling method for difficult-to-dissolve scale and sediments. Common acid cleaning agents include various types, and the appropriate agent and concentration should be chosen based on the specific situation. Safety in operation is essential to prevent harm to equipment and personnel. 4. Alkaline Cleaning: Alkaline cleaning is a descaling method for certain specific scales, suitable for alkaline scales. Common alkaline cleaning agents include various types, and the appropriate agent and concentration should be selected based on the specific situation. Safety in operation is vital to avoid harm to equipment and personnel. 5. Physical Descaling: Physical descaling methods include ultrasonic cleaning and electro-descaling. Ultrasonic cleaning uses the vibrational effect of ultrasound to shake the scale into pieces. Electro-descaling uses the principle of electrolysis to dissolve scale through the action of electricity. These physical descaling methods are suitable for special cases and specific scales. When selecting a descaling method, it is necessary to consider the specific conditions of the boiler.
Our company attaches great importance to technological innovation and R&D design. We have one municipal enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We have over 600 types of 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 and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emissions reduction, and waste heat utilization, have successively been selected 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 models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial-level scientific and technological achievement identification has confirmed that the technology level in the field of deep cryogenic container manufacturing has reached an international standard.
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