Shandong Zhongjie Special Equipment Co., Ltd. specializes in the following products: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat recovery boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, and CO2 tanks; pressure vessel products including denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and ventilation equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
For the maintenance of carbon dioxide storage tanks, the following methods are recommended: Regular Inspections: Conduct regular checks on the tank's exterior and interior for corrosion, cracks, and leaks. Non-destructive testing methods, such as ultrasonic testing, can be used to assess the tank's integrity. Cleaning and Corrosion Prevention: Regularly clean the tank's exterior to remove dirt and debris. For tanks coated with corrosion-resistant paint, inspect the coating's condition regularly, and repair or recoat as needed to protect against corrosion. Leak Detection: Perform regular leak detection to ensure there are no leakage issues. Use gas detectors or leak detectors for the test, or evaluate the tank's sealing performance through pressure testing. Safety Valve Inspection: Regularly inspect and test the operation of safety valves to ensure they function properly under overpressure conditions. Adjust and test according to the specifications and requirements of the safety valves. Piping and Valve Maintenance: Regularly inspect and maintain the piping and valves connected to the tank to ensure their proper operation and sealing performance. Clean and lubricate valves, and check for leaks at pipe connections. Record and Documentation: Record the dates, contents, and results of maintenance, establishing maintenance records for the tank. Keep related documents and reports for future reference and review. Please note that for the maintenance of carbon dioxide storage tanks, it is recommended to follow relevant safety operating procedures and standards. If you do not possess the necessary knowledge and experience, it is advisable to consult personnel or manufacturers for maintenance work.

Carbon dioxide tanks fall under the category of pressure vessels. Pressure vessels are sealed containers capable of withstanding internal pressure, used for storing and transporting gases, liquids, or mixtures. Carbon dioxide tanks are pressure vessels specifically designed for storing and transporting carbon dioxide, featuring special design and structure to ensure safe storage and use. Depending on design and application, carbon dioxide tanks can be either vertical or horizontal, with varying capacities and pressure ratings. When using carbon dioxide tanks, it is essential to adhere to relevant regulations and standards to ensure safe operation and usage.

Low-temperature CO2 storage tanks are equipment used for storing and transporting low-temperature liquid CO2. Here are some key points about low-temperature CO2 storage tanks: - Tank Structure: These tanks typically feature a double-wall design, with the inner wall for storing liquid CO2 and the outer wall for insulation. The interiors are usually made of stainless steel or aluminum alloy, offering excellent corrosion resistance. - Storage Temperature: The storage temperature for these tanks usually ranges from -40°C to -196°C, depending on specific application requirements. Temperature control is crucial for maintaining the stability and safety of the liquid CO2. - Storage Capacity: The capacity of low-temperature CO2 storage tanks can be selected based on actual needs, typically ranging from a few thousand to tens of thousands of liters. The selection should consider storage requirements, supply frequency, and spatial constraints. - Safety Protection: These tanks require safety protection devices such as pressure relief valves, pressure sensors, and temperature sensors to ensure internal pressure and temperature remain within safe limits. - Transportation: Low-temperature CO2 storage tanks can be transported via road, rail, or ship. Proper insulation measures must be taken during transportation to maintain the low-temperature state of the liquid CO2 inside. - Safe Operation: Operation of low-temperature CO2 storage tanks requires training and adherence to relevant safety procedures. Operators should be familiar with the tank's characteristics and safety considerations to ensure safe and effective operation. - Regular Inspection and Maintenance: Regular inspections and maintenance are necessary for these tanks, including visual inspections, valve and pipeline checks, and pressure relief device checks. Regular maintenance ensures the tank operates normally and remains safe. The above are some key points regarding low-temperature CO2 storage tanks. When using and operating these tanks, it is essential to follow relevant safety regulations and standards, and consult with experts to ensure safety and effectiveness.

When storing CO2 storage tanks, the following requirements must be followed to ensure safety and effectiveness: Ventilation: Tanks should be stored in well-ventilated areas to avoid the accumulation of CO2 gas. Ensure there is sufficient air circulation around the tank to prevent gas buildup and asphyxiation risks. Fire and Explosion Prevention: Tanks should be kept away from ignition sources, high-temperature areas, and flammable materials. Avoid open flame operations near the tank to prevent fire and explosion risks. Avoid Direct Sunlight: Store tanks in places shielded from direct sunlight to prevent overheating and pressure increase. Direct sunlight can raise tank temperatures, increasing the risk of leaks and explosions. Prevent Mechanical Damage: Keep tanks away from machinery and heavy objects to avoid collisions and damage. Mechanical damage can lead to tank leaks or ruptures, causing safety hazards. Labeling and Warning Signs: Tanks should be clearly labeled with information such as the type of gas stored and pressure. Warning signs should be placed around the tank to remind personnel of its presence and relevant safety precautions. Regular Inspections: Conduct regular inspections of the tank's exterior, valves, and fittings to ensure they are undamaged. Take prompt corrective actions if any abnormalities are found. Storage Capacity Control: Control the storage capacity of the tank to prevent exceeding the rated capacity. Exceeding the rated capacity can lead to excessive tank pressure, increasing safety risks. Storage Records: Keep records of the tank's usage, including filling dates, filling amounts, and inspection records. Regularly inspect and maintain the tank, and retain relevant records. It is important to note that specific storage requirements may vary depending on the type of tank and application. When storing CO2 tanks, operate according to relevant regulations and standards, and consult with experts to ensure safety and effectiveness.
ZJ Special Equipment adheres to the great vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer society products and services with high performance and affordability!