Shandong Zhongjie Special Equipment Co., Ltd. specializes in the following products: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat recovery boilers, and other boiler products; vacuum insulated cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, CO2 tanks; pressure vessel products including denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment sets; central air conditioning and ventilation equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
Selecting the right thermal oil furnace requires considering the following aspects: - Heat Load Requirements: First, determine the thermal load required by the thermal oil furnace, which is the heat energy needed. Establish the rated power and thermal load range based on actual needs to ensure adequate heat supply. - Operating Temperature and Pressure: The operating temperature and pressure range of the thermal oil furnace must match the actual application scenario. Select appropriate operating temperature and pressure ranges according to process requirements and working environment to ensure stable operation. - Thermal Oil Type: Choose the appropriate thermal oil type based on process requirements and working environment. Common thermal oils include silicone thermal oil, organic thermal oil, and mineral oil thermal oil, among others. Different types of thermal oils have varying operating temperature ranges and characteristics, so select based on actual needs. - Equipment Quality and Reputation: Select a thermal oil furnace supplier with a good reputation and quality. Ensure the manufacturing process and material quality of the thermal oil furnace are reliable, providing stable and reliable performance and after-sales service. - Safety and Environmental Protection: The safety and environmental protection of the thermal oil furnace are important considerations. Choose a thermal oil furnace with safety protection devices and environmental certifications to ensure safety for personnel and equipment during operation. - Economic and Energy Efficiency: Consider the economic and energy efficiency of the thermal oil furnace. Select a thermal oil furnace with high energy efficiency and energy-saving features to reduce energy consumption and operating costs. Considering these factors, selecting an appropriate thermal oil furnace based on actual needs can ensure the stable operation of the equipment.

The inspection of heat-conducting oil boiler tube plates is crucial for ensuring the safe operation of the boiler and preventing potential issues. Below are the general steps for inspecting heat-conducting oil boiler tube plates: Visual Inspection: Conduct a visual inspection to check for any obvious corrosion, cracks, deformations, or other anomalies on the tube plate surface. Pay special attention to the welds and junctions for cracks or leaks. Tube Plate Cleaning: Clean the tube plate surface thoroughly to remove dirt and deposits, facilitating a proper inspection. Ultrasonic Testing: Use an ultrasonic testing device to inspect the tube plates for any potential cracks or other defects. Ultrasonic testing aids in determining the integrity and reliability of the tube plates. Pressure Test: Perform a pressure test to verify the sealing and pressure-bearing capabilities of the tube plates. Gradually increase pressure during the test, observe for any leakage, and ensure the tube plates can withstand the design pressure. Tube Plate Thickness Measurement: Use an ultrasonic thickness gauge to measure the tube plate thickness to ensure it meets design requirements. Pay particular attention to the corrosion situation, ensuring it remains within safe limits. Weld Inspection: Inspect the welds on the tube plates to ensure the quality meets relevant standards and specifications. Check for the integrity of the welds, the quality of the weld, and whether the welding process meets requirements. Documentation and Reporting: Record and report the inspection results for the tube plates, including identified issues, corrective measures, and recommendations. These records and reports serve as references for subsequent maintenance and management. It is important to note that the inspection of heat-conducting oil boiler tube plates should be conducted by qualified personnel and performed strictly in accordance with relevant standards and regulations. In the event of any issues or anomalies, appropriate repair and maintenance measures should be taken promptly to ensure the safe operation of the boiler.

During the operation of a thermal oil furnace, several important points should be noted: - Temperature Control: During the operation of the thermal oil furnace, it is crucial to closely monitor and control the temperature of the thermal oil. Ensure that the temperature remains within a safe range to avoid decomposition of the oil at high temperatures or condensation and scaling at low temperatures. Regularly check and calibrate the temperature sensors to ensure the accuracy of temperature measurement. - 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 reduce the efficiency of heat transfer. Regularly inspect and maintain the pressure gauge and safety valve to ensure the accuracy and safety of pressure control. - Oil Quality and Cleanliness: The quality and cleanliness of the thermal oil are critical for the normal operation of the furnace. Regularly inspect and replace the thermal oil to ensure that the quality and performance meet the requirements. Regularly clean and maintain the heat exchanger, burner, and flue components 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 proper operation and extend its service life. Regularly inspect and clean the burner, flue, and heat exchanger components, check and replace seals and valves, inspect and calibrate safety devices, and ensure the safety and reliability of the equipment. - Safe Operation: Strict adherence to operational procedures and safety protocols is required during the operation of the thermal oil furnace. Operators must possess the relevant skills and knowledge.

Reasons for uneven heat distribution in steam boilers may include the following aspects: - Inconsistent combustion: Uneven mixing of fuel and air during the combustion process, or improper design and adjustment of the burner, can lead to inconsistent combustion. This results in some areas producing more heat while others produce less. - Pipe blockage: If there is blockage or scaling in the transmission pipes of a steam boiler, it can cause uneven heat transfer. Blockage or scaling hinders steam flow, limiting heat transfer in some areas while allowing it to be relatively good in others. - Heat exchanger issues: If the heat exchanger in a steam boiler has problems like scaling, corrosion, or blockage, it can lead to uneven heat transfer. These issues affect the heat conduction efficiency of the heat exchanger, impacting heat transfer in certain areas. - Water level problems: Inaccurate or unstable water level control in a steam boiler can lead to uneven steam production. Both high and low water levels can affect steam production and distribution, resulting in uneven heat. - Boiler load changes: Variations in boiler load can also cause uneven heat distribution. Sudden increases or decreases in load may not allow for timely adjustments in heat production and distribution, leading to uneven heat. To address the issue of uneven heat distribution in steam boilers, it is necessary to regularly inspect and maintain the boiler equipment to ensure normal operation of combustion and heat exchange processes. Additionally, it is important to adjust burners and control systems reasonably, maintain stable water levels, clean pipes and heat exchangers, and improve overall performance.
Our company attaches great importance to technological innovation and R&D, boasting 1 city-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. We are equipped with over 600 instruments and 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 and technologies, such as temperature-pressure vessel welding, 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, key projects in Shandong Province, and Heze City innovation and excellence projects. We have cumulatively obtained 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 from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technique. After provincial-level scientific and technological achievement appraisal, the technology level has reached an international standard in the field of deep cryogenic container manufacturing.
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