Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, 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 a mechanical and electrical equipment installation contracting qualification. 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 the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
The inspection of the heat-conducting oil boiler tube plates is to ensure the safe operation of the boiler and to prevent potential issues. The following are general steps for inspecting heat-conducting oil boiler tube plates: Visual Inspection: Conduct a visual inspection to check for any obvious corrosion, cracks, deformation, or other anomalies on the surface of the tube plates. Pay special attention to checking for cracks or leaks at the welds and joints. Clean the Tube Plates: Clean the surface of the tube plates thoroughly to remove dirt and deposits, allowing for a proper inspection. Ultrasonic Testing: Use an ultrasonic testing device to inspect the tube plates to detect any possible cracks or other defects. Ultrasonic testing helps determine the integrity and reliability of the tube plates. Pressure Test: Perform a pressure test to verify the sealing and pressure resistance of the tube plates. Gradually increase the pressure during the test, observe for any leakage, and ensure the tube plates can withstand the designed pressure. Tube Plate Thickness Measurement: Use an ultrasonic thickness gauge to measure the thickness of the tube plates to ensure they meet the design requirements. Pay particular attention to the corrosion condition of the tube plates, ensuring they are within the safe range. Weld Inspection: Inspect the welds of the tube plates to ensure the quality of the welds meets relevant standards and specifications. Check the integrity of the welds, the quality of the weld, and whether the welding process meets requirements. Documentation and Reporting: Document and report the inspection results of the tube plates, including any issues found, corrective measures, 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-conducting oil boiler tube plates should be carried out by qualified personnel and 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.

A thermal oil heater is a device that utilizes thermal oil as a heat medium, transferring heat energy generated by combustion or electric heating to the equipment or process that requires heating. The working principle of a thermal oil heater involves heating the thermal oil to a certain temperature, then circulating it through a pump to the heated equipment or process, transferring the heat energy to the heated object. The thermal oil exchanges heat with the heated object in the heat exchanger, causing the object to increase in temperature while the oil cools down and returns to the furnace for reheating. The heat transfer process of the thermal oil heater primarily relies on the thermal conductivity of the oil. With a high thermal conductivity, the oil can rapidly transfer heat energy to the heated object, achieving efficient heating. Additionally, the oil has high thermal stability, allowing it to operate stably at high temperatures without decomposition or oxidation. Thermal oil heaters typically consist of the furnace body, combustion system, flue gas system, heat exchanger, circulating pump, and control system. The furnace body is the main component, containing the thermal oil and the combustion system. The combustion system is responsible for burning fuel to produce heat and heat the thermal oil. The flue gas system is used to exhaust the flue gas produced by combustion. The heat exchanger is the equipment where the thermal oil exchanges heat with the heated object. The circulating pump is in charge of circulating the thermal oil back to the furnace for reheating. The control system monitors and controls the operational state of the thermal oil heater to ensure safe and stable operation. Thermal oil heaters offer high temperature control accuracy, fast heating speed, low energy consumption, and simple operation, and are widely used in industrial fields such as chemicals, textiles, food processing, and papermaking, as well as in some special heating processes.

Properly utilizing fuel-gas boilers can enhance energy efficiency and reduce consumption. Here are some suggestions: 1. Select the right boiler model: Choose a suitable fuel-gas boiler based on actual needs, considering factors like heat load, fuel type, and combustion efficiency. 2. Regular inspection and maintenance: Conduct regular checks and maintenance to ensure the boiler operates smoothly. This includes cleaning burners, inspecting the combustion system, adjusting parameters, and promptly repairing or replacing damaged parts. 3. Control the combustion process: Manage the combustion process to ensure complete, stable, and efficient burning. Adjust parameters like air flow and fuel supply to improve efficiency and reduce waste. 4. Heat recovery: Utilize heat recovery systems to capture and reuse waste heat from flue gases for heating water or other processes, enhancing energy efficiency. 5. Control operating parameters: Adjust boiler operating parameters like water level, pressure, and temperature based on actual needs and conditions to avoid excessive or insufficient levels for optimal efficiency and safety. 6. Regularly clean heat exchangers: Clean the heat exchangers of fuel-gas boilers regularly to remove dirt and deposits, maintaining their thermal conductivity and reducing energy loss. 7. Energy management: Establish an energy management system, monitor and analyze consumption, and develop reasonable usage plans and energy-saving measures to improve efficiency and reduce consumption. These are common methods and suggestions, but specific applications should be determined based on actual conditions and boiler characteristics. Also, adhere to relevant laws, regulations, and safety procedures to ensure safe operation of fuel-gas boilers.

Regular inspections of industrial boilers are crucial for ensuring safe operation, improving efficiency, and extending their lifespan. Here are the importance of regular inspections for industrial boilers: Safety Assurance: Industrial boilers are high-temperature, high-pressure equipment. Without regular inspections, safety hazards may exist. Regular inspections can identify and eliminate potential issues within the boiler, such as combustion system failures, water level control failures, and malfunctioning safety valves, ensuring safe boiler operation. Efficiency Enhancement: Regular inspections can detect dirt and deposits inside the boiler, maintaining the cleanliness and heat transfer efficiency of heat exchangers, improving the boiler's thermal and energy efficiency. This helps reduce energy consumption and operating costs. Extended Lifespan: Regular inspections can promptly identify and address corrosion, wear, and fatigue issues within the boiler, preventing further damage and failures, and extending the boiler's lifespan. Regular maintenance can also prevent and reduce boiler damage and failures. Legal and Regulatory Requirements: Many regions have established laws, regulations, and standards for boiler safety management, requiring regular inspections and maintenance of industrial boilers. Regular inspections are a critical aspect of fulfilling legal and regulatory requirements. Insurance Requirements: Some insurance companies have specified insurance requirements for industrial boilers, mandating regular inspections and maintenance. Regular inspections can meet insurance company requirements and protect the company's insurance rights. In summary, regular inspections of industrial boilers are important for ensuring safety, improving efficiency, extending lifespan, complying with laws and regulations, and meeting insurance requirements. Regular inspections should be conducted by qualified institutions or individuals, following relevant laws, regulations, and standards. Timely regular inspections and maintenance can ensure the safe operation of industrial boilers.
Our company highly values technological innovation and research and development, boasting 1 municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more, equipped with 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. Our key products such as welding for temperature-pressure vessels, biomass boiler emission reduction, and waste heat utilization have successively been shortlisted 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 a total of 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + wire-filled tungsten inert gas arc welding (PAW-GTAW) technique, which has been appraised as internationally competitive at the provincial level for deep cryogenic container manufacturing.
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