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/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 council member 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.
Prior to using a CO2 storage tank, the following preparations must be made: Safety Inspection: Conduct a safety check of the tank before use to ensure there are no visible damages, corrosion, or leaks. Inspect the tank's exterior, valves, and connecting pipes to ensure they are intact and undamaged. Tank Cleaning: Ensure the tank is clean both internally and externally. Remove any debris, dirt, and residues to ensure no substances that could affect the quality or safety of the CO2 are present inside the tank. Connecting Pipes: Check the connections between the tank and related pipes to ensure they are secure and sealed properly. Verify the valve and pipe operating status to ensure they are in the correct position. Pressure Check: Inspect the tank's pressure to ensure it is within a safe range. Use a pressure gauge or other pressure detection equipment if necessary. Ventilation and Safety Measures: Ensure there is adequate ventilation around the tank to prevent CO2 accumulation. During operation, follow relevant safety procedures and measures, such as wearing personal protective equipment and avoiding open flames. Tank Labeling: Label the tank with relevant information, such as the type of gas stored, pressure rating, and capacity. This assists operators in correctly identifying and handling the tank. Please note that these preparations may vary depending on the specific type of tank and usage scenario. Before using a CO2 storage tank, it is recommended to refer to the relevant safety operation manuals and guidelines to ensure safe and correct operation.

Carbon dioxide tanks offer several advantages: - High storage density: These tanks can compress carbon dioxide gas into a liquid state, significantly increasing storage density. Compared to storing it as a gas, liquid carbon dioxide can be stored in a smaller tank, saving space and costs. - Multiple applications: Carbon dioxide tanks are widely used in various fields, including the food and beverage industry, fire suppression, gas supply, and more. Carbon dioxide serves as a preservative, a fizzy agent in beverages, a gas, and an extinguishing agent, among other uses, with broad applications and market demand. - Environmental and renewable: Carbon dioxide is an eco-friendly gas, and its increased concentration in the atmosphere contributes to warming and climate change. By storing and utilizing carbon dioxide, we can reduce its release into the atmosphere, promoting environmental protection and sustainable development. - Safe and reliable: During design and manufacturing, carbon dioxide tanks typically use high-strength materials (such as carbon steel or stainless steel) with good pressure resistance and safety. They are often equipped with safety valves, pressure gauges, and level indicators to ensure safe operation. Additionally, carbon dioxide is non-flammable and non-explosive, making it relatively safe. - Supply: Carbon dioxide tanks provide a stable supply of the gas. Through tank design and control systems, precise measurement and supply of carbon dioxide can be achieved, meeting the needs of various industries and applications. These advantages make carbon dioxide tanks a crucial storage and supply equipment, widely used across multiple industries. However, it is still necessary to follow relevant safety operating procedures and standards when using carbon dioxide tanks to ensure safe operation and use.

在二氧化碳储罐罐区进行安全操作时，需要遵循以下几个关键步骤和注意事项： 储罐区域划定：将储罐区域划定为专门的区域，并设置明确的标识和警示标志，以提醒人员注意安全。 人员培训：确保所有操作人员都接受过相关的培训，了解储罐的特性、操作规程和应急措施。培训内容应包括储罐的安全操作、泄漏处理、火灾应对等。 个人防护装备：所有进入储罐区域的人员都应佩戴适当的个人防护装备，如防护服、安全鞋、、手套等。这些装备可以提供保护，减少潜在的伤害风险。 操作规程：制定和遵守储罐的操作规程，包括储罐的开启、关闭、充装、排空等操作步骤。确保操作人员按照规程进行操作，避免操作失误和事故发生。 泄漏处理：储罐区域应配备适当的泄漏处理设备和材料，以应对可能的泄漏情况。操作人员应熟悉泄漏处理程序，并及时采取措施进行泄漏控制和清理。 火灾安全：储罐区域应配备适当的消防设备和灭火器材，并确保操作人员了解火灾应对程序。禁止在储罐区域内吸烟或使用明火，以防止火灾风险。 定期检查和维护：定期检查储罐的安全阀、压力表、温度传感器等设备的工作状态，并进行必要的维护和修理。确保储罐的正常运行和安全性。 应急预案：制定储罐区域的应急预案，包括事故报警、人员疏散、急救措施等。所有操作人员应熟悉应急预案，并定期进行演练和培训。 需要注意的是，以上是一般的安全操作指导，具体的操作要求可能会因不同的储罐设计和使用场景而有所差异。在进行储罐操作时，应遵循相关的安全操作规程和标准，确保操作的安全性和有效性。好咨询工程师或储罐制造商以获取具体的操作指导。

In recent years, the expansion of low-temperature liquid storage tanks has reached its peak due to several factors: - Increased energy demand: As the economy grows and the population expands, the demand for energy continues to rise. Low-temperature liquid storage tanks are primarily used for storing liquid gases (LNG), liquid oxygen (LOX), liquid nitrogen (LIN), and other low-temperature liquid energy sources to meet the growing energy needs. - Greenhouse gas emission reduction: Low-temperature liquid storage tanks can store and transport liquid carbon dioxide (CO2) for carbon capture and storage (CCS) technologies, thereby reducing greenhouse gas emissions. With the heightened concern for environmental protection and climate change, the demand for low-temperature liquid storage tanks in the CCS field has also increased. - Industrial development needs: The application of low-temperature liquid storage tanks in the industrial sector is also on the rise. For instance, in chemical, pharmaceutical, food and beverage industries, there is a need to store and transport low-temperature liquid raw materials or products, such as liquid nitrogen, liquid oxygen, and liquid ethylene. As these industries develop, the demand for low-temperature liquid storage tanks also grows accordingly. - Technological advancement and innovation: In recent years, there have been continuous advancements and innovations in the design, manufacturing, and transportation technologies of low-temperature liquid storage tanks. The application of new materials, optimization of tank structures, and improvements in safety control systems have made these tanks safer and more reliable, further propelling the peak expansion. In summary, the factors of increasing energy demand, greenhouse gas emission reduction, industrial development needs, and technological advancement and innovation have collectively driven the expansion of low-temperature liquid storage tanks to a peak in recent years. As related industries develop and technology advances,
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 non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. We have over 600 pieces of various equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, and plasma welding machines. Our key products, such as temperature-pressure vessel welding, biomass boiler emissions reduction, and waste heat utilization, have been successively selected 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累计 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 Li Yajiang of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire argon arc welding (PAW-GTAW) technology, which has reached international standards after being evaluated as a provincial-level scientific and technological achievement. Choose Zhongjietech for a shining future together!