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 license, and GB2/Class and GC2/Class pressure pipeline installation licenses, as well as mechanical and electrical equipment installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a 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.
Additionally, the use of liquid carbon dioxide tanks must adhere to specific industry standards and regulations depending on the industry and application scenario. For instance, when using liquid carbon dioxide tanks in the food and beverage industry, compliance with food safety and hygiene standards is required. It's important to note that different regions may have varying standards and regulations for the use of liquid carbon dioxide tanks. Therefore, operations and usage should be conducted in accordance with local laws and standards.

When cooling carbon dioxide tanks, be mindful of the following points and familiarize yourself with the basic steps of the cooling process: **Points to Note:** **Safety:** Pay attention to safety during the cooling process to ensure the safety of operators and the surrounding environment. Adhere to relevant safety operation procedures and standards, and use appropriate personal protective equipment. **Equipment Selection:** Choose the appropriate cooling equipment and tools, such as cooling mediums (e.g., liquid nitrogen), coolers, and cooling systems. Select suitable cooling equipment based on the tank's size and requirements. **Temperature Control:** Control the temperature during the cooling process to avoid overcooling or insufficient temperature. Determine the appropriate cooling temperature range based on the tank's design requirements and operating conditions. **Cooling Process Analysis:** **Preparation:** Ensure there are no residual gases or impurities inside the tank to avoid affecting the cooling effect. Check the tank's sealing and the operation of the safety valve. **Coolant Injection:** Inject the cooling medium (e.g., liquid nitrogen) into the tank to lower its temperature. Control the injection speed and quantity to avoid over-injection, which can lead to excessive pressure. **Cooling Time:** Determine the cooling time based on the tank's size and requirements. The cooling time typically needs to be long enough to ensure that the carbon dioxide inside the tank is fully cooled and liquefied. **Temperature Monitoring:** Regularly monitor the tank's temperature during the cooling process to ensure it remains within the appropriate range. Use temperature sensors or infrared thermometers for monitoring. **Cooling Completion:** The cooling process is complete when the tank reaches the predetermined cooling requirements. At this point, the carbon dioxide inside the tank should be in a liquid state. **Note:** The specific cooling process and steps may vary due to different tank designs and usage scenarios. When performing cooling operations, follow relevant safety operation procedures and standards to ensure safety and effectiveness.

Carbon Dioxide Applications in the New Energy Sector Include: 1. Carbon Capture and Storage (CCS): This technology reduces CO2 emissions by capturing CO2 from industrial sources and storing it underground, preventing it from entering the atmosphere. It aids in reducing greenhouse gas emissions and mitigating climate change. 2. Carbon Utilization: CO2 can be used to produce valuable chemicals and fuels. For instance, through CO2 catalytic conversion technology, CO2 can be transformed into fuels like ethanol, which are used in both fuel and chemical industries. This carbon utilization technology helps decrease reliance on traditional fossil fuels and promotes sustainable energy development. 3. Carbon Dioxide Batteries: Carbon Dioxide batteries are a new battery technology that uses CO2 as the electro material. By converting CO2 into electrical energy, these batteries serve as a sustainable energy storage solution, contributing to the advancement of electric vehicles and renewable energy sources. 4. Carbon Dioxide Photocatalysis: This technology uses solar energy to convert CO2 into useful chemicals. By employing photocatalysts, CO2 and water can be transformed into combustible gases or organic compounds, thereby realizing the resource utilization of CO2. These applications aim to reduce CO2 emissions, enhance energy efficiency, and promote the development of sustainable energy. However, these technologies are still in development and research, requiring further technical breakthroughs and practical validation.

When using a 50-cubic-meter liquid oxygen tank, the following safety concerns should be noted: 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 in the vicinity of the tank. Ventilation: The 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 can cause combustion or explosion when in contact with high-temperature objects. Thus, avoid exposing the liquid oxygen tank to high-temperature environments or contacting high-temperature objects. Pressure Control: The liquid oxygen tank should be used 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. Corrosion Prevention: Regular inspections and maintenance of the liquid oxygen tank should be conducted to prevent corrosion. Especially, keep the tank surface and contact areas dry and clean to avoid corrosion. Safe Operation: Operators should receive relevant training to understand the safety operation procedures and standards for liquid oxygen tanks. Adhere to the correct procedures, wear personal protective equipment, and ensure safety during operations. Emergency Preparedness: Establish an emergency response plan and equip with appropriate fire extinguishing and first aid equipment when using liquid oxygen tanks. Operators should be familiar with emergency procedures and able to respond quickly to emergencies. Note that the above safety concerns are general recommendations. Specific safety 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 operational safety.
Zhongjie Special Equipment adheres to the grand vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," wholeheartedly committed to the development of green energy equipment. We dedicate products and services with high cost-performance to the society!