Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, A2-grade pressure vessel manufacturing license, A2-grade pressure vessel design license, B-grade boiler installation, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as equipment and machinery installation contracting qualifications. 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 U.S. ASME/U2 certification.
Carbon dioxide storage tanks are devices used for storing carbon dioxide gas. They are typically made of high-strength materials with sealing capabilities to prevent the leakage of stored CO2. The design and capacity of the tanks can be adjusted to meet various application needs. Carbon dioxide storage tanks are widely used in various fields, including industrial production, food processing, and more. In the industrial sector, they are commonly used to store and supply CO2 gas for processes like welding, gas shielding, and fire extinguishing. In the food processing industry, they can be used to produce carbonated beverages and frozen foods. In the medical field, they can be used to manufacture medical gases such as breathing gases and anesthetic gases. The development and manufacturing of carbon dioxide storage tanks involve multiple manufacturers and technologies. Different companies may employ different designs and manufacturing processes to cater to diverse customer requirements. Additionally, relevant safety standards and regulations must be adhered to ensure the safe operation and use of the tanks.

Carbon dioxide storage tanks possess the following safety technical features: - High-strength materials: Carbon dioxide tanks are typically made of high-strength steel or alloy materials to withstand stresses and loads under high pressure and low-temperature conditions. - Safety valves and pressure relief devices: The tanks are equipped with safety valves and pressure relief devices to control internal pressure and prevent overpressure and explosions. When the internal pressure exceeds the set value, the safety valve will automatically open to release pressure. - Insulation layer: An insulation layer is installed inside the tank to reduce heat transfer and liquid evaporation. The insulation layer usually consists of multi-layer structures, including thermal insulation materials and an external protective layer, to maintain stable internal tank temperature. - Level monitoring and control: The tanks are fitted with level monitoring devices to monitor the liquid level inside. Timely monitoring and control of the level ensure the liquid storage within the tank remains within a safe range. - Fire and explosion prevention measures: The tanks adopt fire and explosion prevention measures such as fire-resistant coatings, fire-resistant isolation areas, and explosion-proof devices to prevent fires and explosions. - Leak detection and alarm system: The tanks are equipped with leak detection and alarm systems to promptly detect and alert of any leakage. Quick response and handling can minimize the safety risks caused by leaks. - Regular inspections and maintenance: Tanks require regular inspections and maintenance, including visual inspections, valve maintenance, and pressure testing, to ensure the safety and reliability of the tank. It should be noted that the specific safety technical features of carbon dioxide storage tanks may vary depending on the type of tank and its application. When using carbon dioxide storage tanks, relevant regulations and standards should be followed.

以下是一些常见的二氧化碳储罐管理守则： 安全管理：建立完善的安全管理制度，包括安全操作规程、应急预案和事故处理程序等。确保操作人员具备必要的安全知识和技能，并定期进行安全培训和演练。 储罐检查和维护：定期检查储罐的外观、阀门、连接件等，确保其完好无损。定期进行泄漏检测和压力测试，确保储罐的安全性能符合要求。 液位监测和控制：定期监测储罐内的液位，确保储罐内的二氧化碳充足。根据需要进行充填或放空操作，维持适当的液位。 废气处理：处理二氧化碳储罐产生的废气，避免对环境造成污染。采取适当的废气处理措施，如收集和处理废气。 防火防爆措施：采取防火防爆措施，确保储罐周围的环境安全。远离火源、高温区域和易燃物质，定期检查和维护防火设施。 标识和警示：储罐应明确标识，包括储存的气体类型、压力等信息。周围应设置警示标志，提醒人员注意储罐的存在和相关安全注意事项。 储存记录：记录储罐的使用情况，包括充填日期、充填量、检查记录等。定期进行储罐的检测和维护，并保留相关记录。 定期审查和改进：定期审查储罐管理制度和操作流程，及时发现问题并进行改进。根据实际情况进行风险评估和管理，提高管理水平和安全性能。 需要注意的是，具体的管理守则可能会因不同的储罐类型和应用而有所不同。在管理二氧化碳储罐时，应根据相关的规范和标准进行操作，并咨询人士以确保安全和有效性。

When using a 50-cubic-liter liquid oxygen tank, the following safety precautions should be observed: - Fire and Explosion Prevention: Liquid oxygen is highly oxidizing and can support combustion. Therefore, avoid contact and ensure there are no open flames or other ignition sources around the tank. - Ventilation: Evaporation of liquid oxygen produces a large amount of oxygen, so good ventilation around the tank is necessary to prevent oxygen buildup and the risk of explosion. - Avoid High Temperatures: Liquid oxygen may cause combustion or explosion when in contact with high-temperature objects. Thus, avoid exposing the liquid oxygen tank to high-temperature environments or contact with hot objects. - Prevent Overpressure: Use the liquid oxygen tank according to its designed pressure and flow rate, avoiding exceeding its capacity. Regularly inspect and maintain the safety valve to ensure proper operation and prevent overpressure. - Prevent Corrosion: Regularly inspect and maintain the liquid oxygen tank to prevent corrosion issues. Especially, keep the tank surface and contact areas dry and clean to avoid corrosion. - Safe Operation: Operators should receive relevant training to understand the safe operating procedures and standards for liquid oxygen tanks. Adhere to correct operational procedures, wear personal protective equipment, and ensure safety during operations. - Emergency Preparedness: Establish an emergency plan and equip with appropriate fire extinguishing and first aid equipment when using the liquid oxygen tank. Operators should be familiar with emergency procedures and able to respond quickly to emergencies. Please note that the above safety precautions are general suggestions. Specific safe operations should be based on the design and usage requirements of the liquid oxygen tank. Before using the liquid oxygen tank, it is recommended to refer to relevant safety operation manuals and guidelines to ensure safety during operation.
Our company attaches great importance to technological innovation and R&D design. We possess 1 municipal-level enterprise technology center in Heze City, equipped with non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. We have over 600 various equipment and instruments, 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, etc. 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 selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, key projects of Shandong Province, and Heze City innovative and excellent projects, etc. 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. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + filled wire tungsten inert gas arc welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement identification, our technology level has reached international standards in the field of deep cryogenic container manufacturing. Choose Zhongjietong, let's create brilliance together!