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 GC2 pressure pipeline installation licenses, as well as a qualification for electromechanical equipment installation contracting. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a director unit of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the American ASME/U2 certification.
Excessive exhaust gas temperature in a thermal oil boiler may be caused by several factors: 1. Incomplete combustion: If the fuel in the thermal oil boiler is not fully combusted, it results in a large amount of unburned fuel and harmful substances in the flue gas, raising the exhaust gas temperature. Possible causes include insufficient fuel supply, improper adjustment of the burner, and burner wear. 2. Excessive air: Excessive air can lower the combustion temperature, making the heat in the flue gas insufficient to reduce the flue gas temperature to a reasonable range. Causes may include improper adjustment of the burner and excessive opening of the air damper. 3. Duct blockage: The accumulation of ash, slag, or other impurities in the flue can obstruct the flow of flue gas, increasing the residence time of the flue gas, thereby raising the exhaust gas temperature. 4. Abnormal thermal oil flow: An abnormal flow of thermal oil, either too high or too low, can lead to uneven heat transfer, causing the flue gas temperature to rise. 5. Overheating: If the temperature control of the thermal oil boiler is not managed properly, leading to overheating, it can raise the flue gas temperature. 6. Boiler design issues: Issues in boiler design, such as a narrow flue or poor flue gas flow, may also cause the exhaust gas temperature to be too high. To address the issue of high exhaust gas temperature, a comprehensive inspection and analysis of the thermal oil boiler is required. Solutions may include adjusting burner parameters, cleaning the flue, checking thermal oil flow and temperature control. In severe cases, a system overhaul or repair may be necessary. Regular maintenance and inspections are also crucial preventive measures against high exhaust gas temperature.

When selecting a thermal oil furnace for the rubber industry, pay attention to the following aspects: - Temperature Requirements: Determine the required working temperature range based on the process needs of the rubber industry. Ensure the thermal oil furnace can stably provide the required working temperature. - Heat Load: Calculate the required heat load based on the production scale and process requirements of the rubber industry. Ensure the heat load of the thermal oil furnace meets the industry's needs. - Thermal Efficiency: The thermal efficiency of the thermal oil furnace directly affects energy consumption and operating costs. Consider the thermal efficiency when choosing a furnace, opting for energy-saving products. - Safety: The safety of the thermal oil furnace is crucial. Choose a furnace with comprehensive safety protection devices and an automatic control system to ensure safe and reliable operation. - Maintenance: Proper maintenance is crucial for extending the lifespan and ensuring normal operation of the thermal oil furnace. Consider the ease and cost of maintenance when selecting a furnace. - Manufacturer's Reputation: Choose a thermal oil furnace manufacturer with a good reputation and extensive experience to ensure product quality and reliable after-sales service. - Cost-Effectiveness: Consider the price, energy consumption, and maintenance costs of the thermal oil furnace, choosing products with good cost-effectiveness. - Consultation: When purchasing a thermal oil furnace, it is recommended to consult with heating equipment suppliers or engineers, make selections based on specific needs, and adhere to relevant industry standards and regulations.

Steam boilers produce a certain amount of waste water during operation, which requires drainage treatment. Here are the general steps for steam boiler drainage: Preparation: Before draining, ensure the steam boiler is turned off and the pressure inside the boiler has been reduced to a safe level. Open the Drain Valve: Locate the corresponding drain valve based on the design of the steam boiler and open it. The drain valve is typically found on the bottom or near the bottom of the boiler's drain pipe. Discharge Waste Water: Once the drain valve is open, waste water will flow out of the drain pipe. Depending on the situation, you can use a drain pump or gravity to expel the waste water. Observe the Waste Water: During the drainage process, you can observe the color, turbidity, and odor of the waste water to determine if there are any abnormalities, such as sediments, impurities, or unpleasant odors. Close the Drain Valve: After the waste water has been fully discharged or the predetermined drainage goal has been reached, close the drain valve. Clean the Drain System: Regularly clean the drain system to prevent blockages or accumulations, ensuring the smooth operation of the drainage system. Note that the specific steps and frequency of steam boiler drainage may vary depending on the model, usage conditions, and operational requirements of the boiler. Therefore, it is advisable to refer to the boiler's operation manual or consult with experts when performing steam boiler drainage operations to ensure correct and safe procedures.

To extend the service life of steam boilers, the following measures can be taken: - Regular Maintenance: Conduct regular maintenance on the boiler, including cleaning the burner, flue, and heat exchanger, inspecting and replacing worn parts, ensuring the normal operation and efficiency of the boiler. - Water Quality Control: Maintain good water quality in the boiler to prevent scale and corrosion from damaging the boiler. Regularly test water quality and implement appropriate water treatment measures based on test results, such as descaling and replenishing missing chemicals. - Combustion Process Control: Reasonably control the combustion process to ensure the normal operation and efficiency of the burner. Regularly check the burner's working condition, adjust combustion parameters, and avoid issues like overheating or underheating. - Regular Cleaning of Flues and Heat Exchangers: Regularly clean the flues and heat exchangers to remove accumulated soot and dirt, maintain heat exchange efficiency, and prevent overheating and energy loss. - Regular Inspection of Safety Devices: Regularly inspect the boiler's safety devices, including safety valves, pressure switches, and water level controllers, to ensure proper functioning and ensure safe boiler operation. - Record Keeping and Monitoring: Record the boiler's operating parameters, maintenance records, and fault conditions, and regularly monitor and analyze them to promptly identify and address issues. - Operator Training: Ensure that operators have sufficient knowledge of boiler operation and maintenance, operate and maintain the boiler correctly, and avoid damage caused by operational errors or improper maintenance. - Regular Repairs: Based on the boiler's usage and the manufacturer's recommendations, conduct regular major repairs and maintenance, replace aging components, and extend the boiler's service life. - Note: For safety and effectiveness, it is advisable to have a professional perform maintenance and repairs.
Our company attaches great importance to technological innovation and R&D design. We have one municipal-level 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 emission reduction, and waste heat utilization, have successively been included in multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong key projects, and Heze City innovation and excellence projects. We have accumulated a total of 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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