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 deep-freeze pressure vessels such as LNG storage tanks, oxygen-nitrogen-argon storage tanks, and CO2 storage 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, and LNG tank containers, among other green energy equipment.
Key aspects of the safe operation of low-temperature carbon dioxide storage tanks include: - Design and Manufacturing: The tank's design and construction must comply with relevant standards and regulations to ensure it can withstand working conditions in low temperatures and high pressures. It should have adequate strength and sealing performance to prevent leaks and ruptures. - Safety Valves and Pressure Control: The tank should be equipped with safety valves and pressure control devices to maintain internal pressure within safe limits. Safety valves should be regularly inspected and tested to ensure proper functioning. - Temperature Control: Effective temperature control is necessary for low-temperature carbon dioxide storage tanks to prevent freezing or embrittlement due to excessively low temperatures. Appropriate insulation materials and equipment should be used to keep the tank and pipeline temperatures within safe ranges. - Leak Detection and Alarm: The tank should be fitted with leak detection equipment and an alarm system, along with corresponding monitoring devices. These should be able to detect leaks promptly and trigger alarms for appropriate action. - Safe Operation and Training: Operators should receive relevant training to understand the safety operation procedures and standards for low-temperature carbon dioxide storage tanks. They should be familiar with the tank's characteristics, operating principles, and emergency response measures. - Regular Inspection and Maintenance: Tanks should be regularly inspected and maintained, including visual inspections, corrosion coating maintenance, and leak detection. Regular checks can identify potential issues early and enable timely repair measures. - Emergency Preparedness: Establish an emergency response plan and equip with appropriate firefighting and first aid equipment. Operators should be familiar with emergency procedures and capable of rapid response to emergencies. Please note that the above points are general recommendations. Specific safety operations should be based on the design and usage requirements of the low-temperature carbon dioxide storage tank. It is recommended to consult the relevant safety operation manuals and guidelines before using the tank to ensure safe 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 physical 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 for monitoring and controlling the level of liquid carbon dioxide. These systems typically include level sensors and control valves. - Pressure Control: Internal pressure control systems are usually installed in carbon dioxide storage tanks to monitor and control the gas pressure inside. These systems typically include pressure sensors and safety valves. It is important to note that specific parameters of carbon dioxide storage tanks may differ based on manufacturers, application scenarios, and standards. When selecting and using carbon dioxide storage tanks, it is essential to follow relevant safety operating procedures and guidelines, and consult with experts to obtain accurate parameter information.

During routine inspections of carbon dioxide storage tanks, follow these steps: - Visual Inspection: Check for any visible damage, corrosion, or oil leakage on the tank's exterior. Pay attention to the tank shell, valves, and pipeline connections for any abnormalities. - Valve and Pipeline Check: Inspect the tank's inlet and outlet valves and pipeline connections for proper functioning, leaks, or looseness. Ensure valves operate smoothly and reliably. - Pressure Relief Device Check: Verify that the tank's pressure relief devices (such as safety valves) are functioning correctly. Confirm that the set pressure of the relief devices meets requirements. - Level Measurement System Check: Assess the accuracy and reliability of the level measurement system. Calibrate the level sensors to ensure accurate level measurements. - Pressure and Temperature Check: Confirm that the tank's pressure and temperature sensors are working properly. Verify the accuracy of pressure and temperature measurements. - Safety Equipment Check: Inspect the tank's safety equipment, like safety valves, pressure sensors, and temperature sensors, for proper operation. Confirm that their set parameters are in compliance. - Fire Protection Equipment Check: Ensure that fire protection equipment around the tank is in good condition and check that fire extinguishers, sprinkler systems, etc., are functioning correctly. - Liquid and Gas Quality Check: Ensure the quality of the carbon dioxide liquid and gas in the tank meets requirements, with no impurities or contaminants. - Documentation and Reporting: Record the date of inspection, the contents of the inspection, any issues found, and the measures taken. Submit inspection reports to relevant departments or management as needed. The above are general steps for routine inspections of carbon dioxide storage tanks. Specific operations should be based on the tank's characteristics and requirements. When conducting inspections, follow relevant safety operating procedures and have trained personnel handle the operations.

The reason for regular inspections of low-temperature liquid carbon dioxide tanks is to ensure their safety and proper operation. Due to the low-temperature and high-pressure environment in which these tanks operate, there are inherent safety risks such as leaks or structural failures. Regular inspections can help identify potential issues early, allowing for necessary repairs or maintenance to ensure safe tank operation. The specific inspection frequency should be determined according to relevant regulations and standards, and it is generally recommended to conduct regular inspections and maintenance. Typically, the interval between regular inspections for low-temperature liquid carbon dioxide tanks ranges from 1 to 3 years, though this can vary based on the tank's usage, age, design standards, and other factors. The content of the regular inspections usually includes visual inspections of the tank, checks of valves and fittings, leak detection, and pressure testing. Additionally, the insulating layer of the tank should be inspected and maintained regularly to ensure its insulating performance. It is important to note that the specific inspection frequency and content should be determined based on local regulations, standards, and the manufacturer's recommendations. Inspections should be carried out by qualified personnel, and maintenance records should be kept to track and manage the tank's safety performance.
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