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, GB2 and GC2 class pressure pipeline installation licenses, and equipment and electrical 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 ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
For the maintenance and care of low-temperature liquid storage tanks, here are some tips and precautions: - Regular Inspections: Regularly check the tank's exterior, internal lining, valves, and pipe connections. Be mindful of corrosion, cracks, and oil leaks. - Cleaning and Draining: Regularly clean the interior of the tank to remove accumulated debris and sediment. Also, regularly drain the tank to remove liquid and gas impurities. - Corrosion Prevention: The outer shell and inner lining of low-temperature liquid storage tanks should be treated for corrosion resistance. Regularly inspect and maintain the protective coating or paint to ensure its integrity and effectiveness. - Temperature and Pressure Control: The temperature and pressure of the low-temperature liquid storage tank should be controlled within the design limits. Avoid extremes that could damage the tank. - Safety Equipment Checks: Inspect the tank's safety equipment, such as safety valves, pressure sensors, and temperature sensors, to ensure they are functioning properly. Verify that their set parameters meet requirements. - Maintenance of Level Measurement Systems: Regularly inspect and calibrate the level measurement system to ensure accuracy and reliability. Clean or replace level sensors as needed. - Fire Prevention Measures: Fire prevention is crucial for low-temperature liquid storage tanks. Ensure that fire protection equipment around the tank is in good condition and conduct regular fire drills. - Regular Assessments and Monitoring: Regularly assess and monitor the tank, including structural integrity, corrosion, and safety. Take appropriate maintenance and repair actions based on assessment results. - Operator Training: Operators should be trained to understand the characteristics, operational requirements, and safety measures of low-temperature liquid storage tanks. Training should include safe operation, leak handling, and emergency procedures.

Low Temperature Carbon Dioxide Storage Tank Knowledge 1. Structure of Low Temperature Carbon Dioxide Storage Tanks Low temperature carbon dioxide storage tanks typically have a double-walled cylindrical structure, with the inner cylinder made of 6MnDR alloy steel and the outer cylinder of Q245R or Q345R pressure vessel steel plate. The piping is made of austenitic stainless steel, and the insulation layer is filled with high vacuum pearlite sand or wrapped with multiple layers for thermal insulation. The storage tanks are equipped with valves for operation, which are arranged for ease of use. Pressure gauges and level indicators are also installed for monitoring the pressure and liquid level inside the tank. 2. Key Features of Low Temperature Carbon Dioxide Storage Tanks (1) The storage tanks are equipped with liquid filling connections for tanker trucks, allowing liquid supply to vaporizers, tanker trucks, and pumps. (2) Both the inner and outer cylinders are equipped with safety devices to ensure safe operation for users. (3) The insulation material of the low temperature carbon dioxide storage tanks is specially treated to provide a longer vacuum life. Additionally, the tanks are equipped with vacuum gauges for measuring the vacuum level of the insulation layer as needed. 3. Transportation of Low Temperature Carbon Dioxide Storage Tanks (1) During road transportation, the storage tanks should be securely fastened to the vehicle and travel at moderate speeds. It is prohibited to collide the storage tanks with other objects. (2) After the storage tanks arrive, the unloading crew should work with the equipment supervisor to develop a scientific and reasonable unloading plan. 4. Installation of Low Temperature Carbon Dioxide Storage Tanks (1) Once the storage tanks arrive at the installation site, they can be positioned when installation conditions are met. During the installation process, collisions and impacts should be avoided, and special attention should be paid to the explosion-proof equipment on the outer cylinder and the vacuum valve, which should not be touched. (2) Perform a gas-tightness test on the inner cylinder system of the storage tank using nitrogen to the working pressure. After checking that valves, pipes, flanges, etc., have no leaks, the installation is complete. (3) The installation dimensions of the low temperature carbon dioxide storage tanks are as specified in the supply materials. When considering liquid filling and draining with tanker trucks, the vehicle's travel path should be taken into account.

The application standards for liquid carbon dioxide storage tanks primarily include the following aspects:

When using carbon dioxide storage tanks, be mindful of the following aspects: - Safe Operation: Adhere to relevant safety operation procedures and standards, ensuring operators have the necessary safety knowledge and skills. When using the tank, be cautious of safety risks such as leaks, explosions, and fires. - Pressure Control: Monitor and control the tank's pressure to ensure it remains within safe limits. Avoid exceeding the tank's rated pressure to prevent rupture or leakage. - Level Monitoring: Regularly monitor the liquid level inside the tank to ensure there is sufficient carbon dioxide. Avoid overfilling or underfilling to maintain an appropriate level. - Static Electricity Measures: Take anti-static measures to prevent static buildup and discharge. Use anti-static equipment and tools to ensure static safety during operations. - Tank Maintenance: Regularly inspect and maintain the tank, including its exterior, valves, and fittings. Ensure the tank is intact and prevent leaks and damage. - Waste Gas Management: Handle waste gases produced by carbon dioxide storage tanks to avoid environmental pollution. Implement appropriate waste gas treatment measures, such as collection and treatment. - Storage Records: Document the tank's usage, including filling dates, quantities, and inspection records. Regularly perform tank inspections and maintenance and retain relevant records. - Training and Awareness: Train operators to enhance their awareness and ability to safely operate carbon dioxide tanks. Conduct regular safety training and drills to respond to emergencies. - Note: The above are common precautions, and specific considerations may vary depending on the tank type and application. When using carbon dioxide storage tanks, operate according to relevant specifications and standards, and consult with experts to ensure safety and effectiveness.
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