Shandong Zhongjie Special Equipment (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 seven business centers: boiler, deep-freeze container, pressure vessel, central air conditioning, engineering installation, international trade, and Internet of Things. It has three manufacturing sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total of 200,000 square meters. The main workshop spans 83,000 square meters. It currently employs 710 staff, including 247 engineers and technicians, and 82 intermediate-level technicians. 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.
In the burner of a thermal oil furnace, adjusting the air shutter during low flame conditions is crucial. Here are some common knowledge and precautions:
The function of the air shutter: The air shutter is a key component in the burner that controls the supply of combustion air. By adjusting the opening of the air shutter, the flow of combustion air can be controlled, thereby affecting the oxygen supply and combustion effect during the combustion process.
Adjustment during low flame conditions: In low flame conditions, the burner needs to maintain stable combustion to ensure combustion efficiency and heat output. In this case, it is necessary to adjust the opening of the air shutter appropriately to maintain a suitable supply of combustion air. Generally, the opening of the air shutter is relatively small during low flame conditions to maintain an appropriate oxygen supply, avoiding incomplete combustion or instability.
Ratio of combustion air to fuel: In low flame conditions, it is necessary to ensure that the ratio of combustion air to fuel is appropriate. Excessive combustion air can lead to incomplete combustion and energy waste, while insufficient combustion air can result in unstable combustion and the production of harmful gases. By adjusting the opening of the air shutter, the ratio of combustion air to fuel can be controlled to achieve a stable combustion effect.
Burner tuning and optimization: During the installation and tuning of the burner of a thermal oil furnace, appropriate tuning and optimization are required. Through actual operation and monitoring, adjust the opening of the air shutter and other parameters to achieve the best combustion effect and energy efficiency performance. This requires...
The inspection of the heat transfer oil boiler tube plates is to ensure the safe operation of the boiler and prevent potential issues. The following are general steps for inspecting heat transfer oil boiler tube plates:
Visual Inspection: Conduct a visual inspection to check for any obvious corrosion, cracks, deformation, or other anomalies on the tube plate surface. Pay special attention to checking for cracks or leaks at the welds and joints.
Cleaning the Tube Plate: Clean the surface of the tube plate thoroughly, removing dirt and deposits to facilitate inspection.
Ultrasound Inspection: Use an ultrasound inspection device to detect the tube plate for any possible cracks or other defects. Ultrasound inspection helps determine the integrity and reliability of the tube plate.
Pressure Test: Perform a pressure test to verify the sealing and pressure resistance of the tube plate. Gradually increase the pressure during the test, observe for any leakage, and ensure the tube plate can withstand the design pressure.
Tube Plate Thickness Measurement: Use an ultrasonic thickness gauge to measure the thickness of the tube plate to determine if it meets the design requirements. Pay particular attention to the corrosion condition of the tube plate, ensuring it remains within safe limits.
Weld Inspection: Inspect the welds of the tube plate to ensure the quality of the welds meets relevant standards and specifications. Check for the integrity of the welds, the quality of the welds, and whether the welding process meets requirements.
Documentation and Reporting: Record and report the inspection results of the tube plates, including any issues found, measures taken, and recommendations. These records and reports can serve as references for future maintenance and management.
It is important to note that the inspection of heat transfer oil boiler tube plates should be carried out by qualified personnel and performed strictly in accordance with relevant standards and specifications. If any issues or anomalies are detected, appropriate repair and maintenance measures should be taken promptly to ensure the safe operation of the boiler.
If there is an issue with the thermal oil furnace circulating pump, the following steps can be taken to address it:
1. Shut down and inspect: First, stop the thermal oil furnace's operation and disconnect the power. Check for any obvious signs of failure in the pump, such as unusual noises, oil leaks, or leaks. Inspect the motor for normal operation and any abnormal heat generation.
2. Clean the pump body: If sediment or impurities are found in the pump body, they can be cleaned. Use appropriate tools and cleaning agents to remove dirt and blockages from inside the pump. Ensure safe operation to avoid damaging the pump body.
3. Check the 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 any loose or damaged parts promptly.
4. Inspect the pump motor: Check if the motor is operating normally and for any unusual 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 pump's lubrication and cooling system: Ensure the pump's lubrication and cooling system are functioning properly. Check the supply of lubricating oil or grease, and the circulation and temperature control of cooling water or coolant.
6. Adjust pump parameters: Depending on the situation, you may need to adjust the pump parameters such as flow rate and head. Adjust the pump speed or valve opening according to equipment requirements and operating conditions to meet the thermal oil furnace's energy needs.
7. Seek repair if necessary: If the above steps do not resolve the issue or more in-depth repair and maintenance are required, it is recommended to seek repair services. Contact the maintenance personnel or manufacturer's technical support for further troubleshooting and repair.
It is crucial to pay attention to safe operation and follow relevant operational procedures and safety requirements when dealing with issues related to the thermal oil furnace circulating pump. If unsure about how to proceed or if there are safety hazards, seek assistance promptly.
The necessity of flow control in thermal oil heaters is primarily reflected in the following aspects: Thermal energy transfer efficiency: The efficiency of thermal energy transfer in thermal oil heaters is closely related to the flow rate of the thermal oil. An appropriate flow rate of thermal oil ensures that thermal energy is fully transferred in the heat exchanger, improving the efficiency of energy utilization. An excessively low flow rate may result in insufficient heat exchange, affecting the thermal energy transfer effect; conversely, an excessively high flow rate will increase energy consumption and operating costs. Temperature control: The flow control of thermal oil heaters is also closely related to temperature control. By adjusting the flow rate of thermal oil, the temperature inside 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 may cause temperatures to drop too low, both of which can affect the normal operation of the equipment. System stability: Appropriate flow rates of thermal oil can enhance system stability. Flow control helps balance the supply and demand of thermal energy, avoiding overheating or undercooling, and maintaining stable system operation. Stable operation contributes to extending the service life of the equipment and reducing the frequency of failures and maintenance. Safety: The flow control of thermal oil heaters is also closely related to 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 that system pressure remains within a safe range, avoiding overpressure and other safety issues. In summary, flow control in thermal oil heaters is necessary for improving thermal energy transfer efficiency, temperature control, system stability, and safety. Rational flow control can optimize the operation of thermal oil heaters, enhance energy utilization efficiency, reduce operating costs, and ensure safe and stable equipment operation.
Shandong Zhongjie Special Equipment, welcome customers to our factory for business discussions.




































