Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological 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-freezing vessels, 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 area of 200,000 square meters, with the main workshop spanning 83,000 square meters. The company currently employs 710 people, 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 Department 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 quality of CO2 storage tanks is influenced by several factors: - Material Quality: The quality of the material used directly impacts the tank's corrosion resistance, strength, and sealing performance. Common materials include carbon steel and stainless steel. Selecting high-quality materials can enhance the tank's quality and lifespan. - Manufacturing Process: The manufacturing process significantly affects the tank's quality. Welding, heat treatment, and surface treatment during production must comply with relevant standards and regulations to ensure the tank's structural integrity and performance stability. - Design Specifications: The tank's design must adhere to relevant design specifications and standards, such as industry standards. A well-designed tank ensures sufficient strength and safety under normal operating conditions. - Safety Accessories: The tank's safety accessories, like safety valves, pressure sensors, and temperature sensors, play a crucial role in quality and safety. Selecting high-quality accessories and installing and adjusting them correctly can improve the tank's quality and safety. - Inspection and Testing: The tank must undergo inspections and tests during production, such as material inspections, weld inspections, and pressure tests. These checks ensure the tank meets quality requirements and complies with safety standards. - Usage and Maintenance: The tank's usage and maintenance also impact its quality. Proper usage and regular maintenance can extend the tank's lifespan and maintain its good working condition. In summary, the quality of CO2 storage tanks is influenced by material quality, manufacturing process, design specifications, safety accessories, inspections and testing, and usage and maintenance. When selecting and using storage tanks, attention should be given to these factors to ensure quality and safety.

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。

The primary reason for pre-cooling a carbon dioxide tank before use is to ensure that the CO2 inside remains in a liquid state and maintains a stable temperature throughout storage and supply processes. The pre-cooling process typically involves the following steps: 1. Tank Cooling: Before the tank is put into operation, the internal temperature of the tank must be cooled to a sufficiently low level to convert the CO2 from a gaseous to a liquid state. This can be achieved by injecting cooling media (such as liquid nitrogen) into the tank or through external cooling equipment. 2. Tank Pre-filling: After the tank has been cooled, liquid CO2 must be pre-filled into the tank to fill it and maintain a certain pressure. The purpose of pre-filling is to provide sufficient CO2 supply during storage and supply and to keep the tank's pressure stable. By pre-cooling, the liquid state of the CO2 inside the tank is ensured, preventing premature evaporation and energy loss. Additionally, pre-cooling helps to lower the tank's temperature in advance, reducing CO2 evaporation and pressure fluctuations, thereby improving the tank's operational efficiency and safety. It should be noted that the specific methods and requirements for pre-cooling may vary depending on the tank design and usage scenarios. When conducting pre-cooling operations, it is essential to follow relevant safety operating procedures and standards to ensure the safety and effectiveness of the operation.

Detailed parameters of carbon dioxide storage tanks can vary based on specific design and usage requirements. Here are some common parameters of carbon dioxide storage tanks: - Capacity: The capacity of carbon dioxide storage tanks can vary according to needs, with common ranges from a few thousand to tens of thousands of liters. - Pressure: The design working pressure of carbon dioxide storage tanks typically falls between 15-25 MPa (megapascals), with the specific pressure depending on the application scenario and requirements. - Material: Carbon dioxide storage tanks are usually made of high-strength materials such as carbon steel or stainless steel. The choice of material depends on the storage environment and requirements. - Dimensions: The external dimensions of carbon dioxide storage tanks also vary based on capacity and design. Common shapes include cylindrical, spherical, or cuboid. - Level Control: Carbon dioxide storage tanks usually come with level control systems to monitor and control the level of liquid carbon dioxide. These systems typically include level sensors and control valves. - Pressure Control: Internal pressure control systems are often installed in carbon dioxide storage tanks to monitor and control the gas pressure inside. These systems usually include pressure sensors and safety valves. It should be noted that specific parameters of carbon dioxide storage tanks may differ among manufacturers, application scenarios, and standards. When selecting and using carbon dioxide storage tanks, it is important to follow relevant safety operating procedures and guidelines, and consult with experts to obtain accurate parameter information.
Our company attaches great importance to technological innovation and research and development design. We have one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical tests, welding tests, hydrostatic tests, and more. We have over 600 various 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. The key products we have developed, such as temperature-pressure vessel welding, biomass boiler emission reduction, and waste heat recovery, have successively been selected for multiple Shandong Province Department of Industry and Information Technology science and technology innovation projects, Shandong Province 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. 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. This technology has been appraised as reaching an international level in deep cryogenic container manufacturing after provincial-level scientific and technological achievement identification. Choose Zhongjie Special Equipment, let's create brilliance together!