Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, 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 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 Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
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, there is a rising demand for energy. Low-temperature liquid storage tanks are primarily used for storing liquefied natural gas (LNG), liquefied oxygen (LOX), liquefied nitrogen (LIN), and other low-temperature liquid energy sources to meet the growing energy needs. - Greenhouse gas emissions reduction: These tanks can store and transport liquid carbon dioxide (CO2) for carbon capture and storage (CCS) technologies, helping to reduce greenhouse gas emissions. With growing concerns 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 example, in industries such as chemicals, pharmaceuticals, food and beverages, 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, so does the demand for low-temperature liquid storage tanks. - Technological advancement and innovation: In recent years, there have been continuous advancements and innovations in the design, manufacturing, and transportation 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 their expansion to a peak. In summary, factors such as increasing energy demand, greenhouse gas emissions 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 continue to develop and technology advances,

Charging a carbon dioxide tank involves injecting liquid carbon dioxide into the tank. Here are some precautions to consider when charging a carbon dioxide tank: Safety Operation: Adhere to relevant safety procedures during the tank charging process. Operators should be trained to understand the tank's characteristics and safety considerations to ensure safe operations. Tank Capacity Control: Ensure that the filling process does not exceed the tank's rated capacity. Overfilling can lead to excessive pressure, increasing safety risks. Filling Rate Control: Maintain a moderate filling rate to avoid both too fast and too slow filling. Excessive speed can cause high internal pressure, while slow speed can lead to extended filling times. Temperature Control: Monitor the temperature of the liquid carbon dioxide during the filling process. High temperatures can cause rapid evaporation, and low temperatures can lead to solidification. Pressure Control: Maintain internal pressure within the tank during the filling process. Excessive pressure can cause tank rupture or leakage, while low pressure may result in inadequate filling. Level Monitoring: Regularly monitor the tank's level during filling to ensure accurate measurements and avoid overfilling or underfilling. Pressure Relief Devices: The tank should be equipped with pressure relief devices, such as safety valves, to control internal pressure. The set pressure should meet relevant requirements and be checked and maintained regularly. Environmental Protection: Be mindful of environmental protection during the filling process, preventing leaks and contamination of liquid carbon dioxide. Use appropriate protective measures, such as sealed connections and protective devices. The above precautions are for charging carbon dioxide tanks. Always follow safety regulations and standards during filling operations and consult with experts to ensure safety and effectiveness.

The cooling process for carbon dioxide storage tanks can vary depending on specific application needs and design. Here is an example of a general cooling process for carbon dioxide storage tanks: Initial Cooling: When carbon dioxide enters the tank, it is typically cooled initially to lower its temperature. This can be achieved by passing the carbon dioxide through a condenser or cooler. The cooling medium can be cold water or refrigerant. Tank Cooling: After carbon dioxide enters the tank, the tank itself must be continuously cooled to maintain the liquid state of the carbon dioxide. This can be done by setting up coolers or cooling pipes externally and circulating the cooling medium (such as cold water or refrigerant). Temperature Control: During the tank cooling process, the temperature inside the tank must be controlled to ensure carbon dioxide remains within an appropriate temperature range. This can be achieved through temperature sensors and control systems that automatically adjust based on the set temperature range. Insulation: To reduce heat transfer and energy loss, the tank is usually insulated. This can be done by setting up insulating materials (such as polyester foam or glass wool) externally to reduce heat conduction. Regular Inspection and Maintenance: In the cooling process of storage tanks, regular inspection and maintenance of cooling equipment and insulating materials are required to ensure proper operation and effectiveness. This includes cleaning coolers, checking the integrity and effectiveness of insulating materials, etc. It should be noted that the specific cooling process for carbon dioxide storage tanks may vary due to different application scenarios and process requirements. In practice, process design and operation should be based on specific circumstances to ensure the safety and performance of the tank. Consult engineers or storage professionals for more information.

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。
Shandong Zhongjie Special Equipment, welcome customers to visit our factory for cooperation discussions.