Shandong Zhongjie Special Equipment's main products include: 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 like denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and HVAC 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.
Before using a CO2 storage tank, certain inspection and filling points must be addressed. Here are some common precautions: - Inspect the tank exterior: Check for any visible damage, corrosion, or leakage signs. Ensure the tank shell is undamaged. - Check valves and fittings: Verify that the tank's valves and fittings are securely fastened and there are no leaks. Ensure proper operation. - Inspect the pressure gauge: Ensure the pressure gauge on the tank is functioning correctly and readings are accurate. Replace or repair if abnormal. - Check the level indicator: Confirm the level indicator on the tank is working correctly and accurately displays the level. Repair or replace if abnormal. - Inspect the pressure relief device: Check that the pressure relief device (e.g., safety valve) on the tank is functioning properly and the set pressure meets requirements. Repair or replace if abnormal. - Inspect the filling equipment: Verify that the filling equipment (e.g., filling pipes, pumps) is operating correctly with no leaks or blockages. Ensure safety and reliability. - Filling operation: During the filling process, note the following points: - Control the filling speed, avoiding too fast or too slow. - Control the filling pressure, not exceeding the tank's rated pressure. - Monitor the level, ensuring proper filling to the appropriate level. - Regularly inspect filling equipment and valves to ensure normal operation. - Safety measures: Adhere to relevant safety regulations and procedures during the filling process. Operators should wear appropriate protective gear, such as static-resistant clothing, gloves, etc. - Note that specific inspection and filling points may vary depending on the tank type and application. Before using a CO2 storage tank, check and operate according to relevant specifications and standards, and consult with experts to ensure safety and effectiveness.

Key aspects for the safe operation of low-temperature CO2 storage tanks include the following: Design and Manufacturing: The tank's design and construction must comply with relevant standards and regulations to ensure they can withstand working conditions in low temperatures and high pressures. The tank should have sufficient 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 ensure internal tank pressure remains within safe limits. Safety valves should be regularly inspected and tested to ensure proper operation. Temperature Control: Effective temperature control is required for low-temperature CO2 storage tanks to prevent freezing or embrittlement due to excessively low temperatures. Appropriate insulation materials and equipment should be used to maintain tank and pipeline temperatures within safe ranges. Leak Detection and Alarm: The tank should be equipped with leak detection devices and alarm systems, along with corresponding monitoring equipment. These devices can detect leaks promptly and trigger alarms for appropriate action. Safe Operation and Training: Operators should receive relevant training to understand the safe operation procedures and standards for low-temperature CO2 storage tanks. Operators should be familiar with the tank's characteristics, working principles, and emergency response measures. Regular Inspection and Maintenance: Tanks should be regularly inspected and maintained, including visual inspections, anti-corrosion coating maintenance, and leak detection. Regular inspections can help identify potential issues early and take appropriate corrective actions. Emergency Preparedness: Establish an emergency response plan and equip with appropriate fire extinguishing and first aid equipment. Operators should be familiar with emergency procedures and capable of responding swiftly to emergencies. Please note that the above points are general recommendations; specific safe operation procedures should be based on the design and usage requirements of the low-temperature CO2 storage tank. Before using the tank, it is recommended to refer to the relevant safety operation manuals and guidelines to ensure safe operation.

The reason for regular inspections of low-temperature liquid carbon dioxide storage tanks is to ensure their safety performance and normal operation. Due to the storage tanks being in a low-temperature and high-pressure environment, there are certain safety risks, such as leaks and structural failures. Regular inspections can help identify potential issues early, allowing for appropriate repairs or maintenance to ensure safe 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 for regular inspections of low-temperature liquid carbon dioxide storage tanks is between 1 to 3 years, with the exact interval potentially varying based on usage, age, design standards, and other factors. The content of regular inspections usually includes visual inspections of the tank, checks of valves and fittings, leak detection, pressure testing, and also regular maintenance and inspection of the insulation layer 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 conducted by qualified personnel, and maintenance records should be kept to track and manage the tank's safety performance.

The liquid level of carbon dioxide tanks varies depending on specific design and operational requirements. Generally, the liquid level in a CO2 tank is maintained between 80% and 95%. There are several reasons for keeping the tank level within this range: - Space retention: Maintaining a certain liquid level provides steam space inside the tank, preventing over-pressurization and the risk of tank explosion. - Storage capacity: Keeping a higher liquid level maximizes the tank's capacity, allowing for more CO2 storage. - Stable supply: Maintaining an appropriate level ensures a stable CO2 supply to meet operational needs. However, specific level requirements may vary depending on different applications and industries. When using CO2 tanks, follow the manufacturer's recommendations and relevant regulations and standards to ensure the tank's liquid level is controlled within a safe and suitable range.
Our company attaches great importance to technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. We have over 600 types of equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. The key products we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence projects. We have accumulated a total of 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technology. After being appraised by the provincial-level scientific and technological achievement, our technology level has reached the international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!