Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic 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 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, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
The necessity of flow control in thermal oil heaters is primarily reflected in the following aspects: 1. Heat Transfer Efficiency: The efficiency of heat transfer in thermal oil heaters is closely related to the flow rate of the thermal oil. An appropriate flow rate ensures that heat is fully transferred in the heat exchanger, enhancing the efficiency of heat utilization. An excessively low flow rate may result in insufficient heat exchange, affecting the heat transfer effect; conversely, an excessively high flow rate will increase energy consumption and operating costs. 2. Temperature Control: Flow control in thermal oil heaters is also closely related to temperature control. By adjusting the flow rate of the 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 excessively high 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. 3. System Stability: Appropriate flow rates of thermal oil can enhance system stability. Through flow control, the supply and demand of heat can be balanced, preventing overheating or cooling, and maintaining stable system operation. Stable operation helps to extend the service life of the equipment and reduce the frequency of malfunctions and repairs. 4. Safety: Flow control in thermal oil heaters is also closely related to safety. Appropriate flow control can prevent excessive accumulation of thermal oil in the system, reducing the risk of leaks and explosions. Additionally, flow control ensures that the 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 heat transfer efficiency, temperature control, system stability, and safety. Through reasonable flow control, the operation of thermal oil heaters can be optimized, enhancing energy utilization efficiency, reducing operating costs, and ensuring safe and stable equipment operation.

The purpose of deoxygenation in industrial boiler feed water is to reduce oxygen corrosion and bubble formation within the boiler, ensuring the safety and smooth operation of the boiler and pipeline systems. The main methods of deoxygenation include: 1. Mechanical Deoxygenation: This involves physically removing oxygen from the water. Common mechanical deoxygenation equipment includes deaerators and degassers. Deaerators achieve this by atomizing water into a film, utilizing the difference in solubility between gases to remove oxygen from the water. Degassers do so by atomizing water into fine droplets, also using the difference in solubility to remove oxygen. 2. Thermal Deoxygenation: This method involves heating the water body, taking advantage of the property that the solubility of oxygen decreases with temperature, to remove oxygen from the water. Common thermal deoxygenation equipment includes deaerator pots and deaerators. The deaerator pot releases oxygen from the water by heating it to saturation temperature. The deaerator heats the water, utilizing the reduced solubility of oxygen to remove it. 3. Chemical Deoxygenation: This method involves adding a chemical agent to react with the oxygen in the water, removing it from the water. Common chemical deoxygenating agents include salts, reducers, etc. Chemical deoxygenation is often used in high-pressure boiler systems and can effectively remove oxygen from the water. The choice and method of deoxygenation depend on the specific boiler system and water quality. In practical applications, a combination of deoxygenation methods is often used to achieve the desired deoxygenation effect. The selection and operation of deoxygenation equipment should be assessed and adjusted according to the actual situation to ensure the safety and smooth operation of the boiler system.

To reduce the heat loss of a gas boiler, the following measures can be taken: - Enhance Insulation: Insulate the outer shell and pipes of the gas boiler to minimize heat loss. Use insulating materials such as rock wool or glass wool to wrap the boiler and pipes. - Install Heat Recovery Systems: Install heat recovery devices in the flue of the gas boiler to utilize the excess heat in the flue gases for energy recovery. This improves thermal efficiency and reduces heat loss. - Control Combustion Process: Properly control the combustion process to ensure complete, stable, and efficient combustion. Adjust the parameters of the burner, such as air flow and gas supply, to enhance combustion efficiency and reduce heat loss. - Clean Heat Exchangers: Regularly clean the heat exchangers of the gas boiler to remove dirt and deposits on the surface. This maintains the heat transfer efficiency of the heat exchangers and reduces heat loss. - Control Flue Gas Temperature: Reasonably control the flue gas temperature of the gas boiler to avoid excessive temperatures that lead to significant heat loss. This can be achieved by adjusting burner parameters and flue design. - Regular Inspection and Maintenance: Conduct regular inspections and maintenance of the gas boiler to ensure proper operation and work. This includes checking the combustion system, water level control, safety valves, and other critical components, and promptly repairing or replacing damaged parts. - Rational Use of Waste Heat: Utilize the waste heat generated by the gas boiler for other processes requiring heat, such as water heating and heating. By using waste heat, reduce energy waste and improve energy utilization efficiency. - Through these measures, heat loss of the gas boiler can be effectively reduced, energy utilization efficiency can be improved, and energy consumption can be minimized.

Energy conservation in steam boilers is crucial for the following reasons: Energy Costs: Steam boilers typically use fuels (such as coal, gas, oil, etc.) to produce steam, with energy costs forming a significant part of the boiler's operational expenses. Energy conservation can reduce energy consumption and lower costs. Environmental Protection: The combustion process of steam boilers generates waste gases and dust, polluting the environment. Energy conservation can decrease fuel usage and reduce emissions, positively impacting environmental protection. Sustainable Development: Energy conservation is a key aspect of sustainable development. By reducing energy consumption and extending the boiler's lifespan, resources are conserved and waste minimized, promoting sustainability. Measures for energy conservation include: Enhancing Boiler Thermal Efficiency: Improve the boiler's combustion system, optimize combustion parameters, and increase heat exchange efficiency to raise thermal efficiency and reduce energy waste. Heat Recovery and Utilization: Utilize waste heat recovery systems to capture and reuse the excess heat from the flue gases emitted by the boiler, for heating water or other heat-intensive processes, enhancing energy utilization efficiency. Application of Energy-Saving Equipment: Employ energy-saving equipment such as variable-frequency drives, energy-saving burners, and heat pumps to lower energy consumption and improve the efficiency of the boiler.
Our company highly values technological innovation and R&D, 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 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, we have developed key products such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization. These technologies have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology innovation projects, Shandong 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. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technique. This technology has been appraised as reaching international standards in the field of deep cryogenic container manufacturing at the provincial level.
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