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 sets; 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 and care of low-temperature liquid storage tanks, here are some tips and注意事项 to follow:  Regular Inspections: Conduct regular checks of the tank's exterior, internal linings, valves, and pipe connections. Be attentive to signs of corrosion, cracks, or oil leaks.  Cleaning and Drainage: Regularly clean the interior of the tank to remove accumulated debris and sediment. Simultaneously, regularly drain the tank to remove liquid and gas impurities.  Corrosion Prevention: The outer shell and internal lining of low-temperature liquid storage tanks should be treated for corrosion resistance. Regularly inspect and maintain the integrity and effectiveness of the corrosion protection layer or coating.  Temperature and Pressure Control: The temperature and pressure of low-temperature liquid storage tanks should be controlled within the design specifications. Avoid extremes in temperature and pressure 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 proper functioning. Verify that their set parameters meet requirements.  Maintenance of Level Measurement Systems: Regularly check 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 fire drills regularly.  Regular Assessments and Monitoring: Regularly assess and monitor the tank for 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.

Pressure Vessel Standards: Liquid carbon dioxide storage tanks are generally considered pressure vessels, and their design, manufacturing, and use must comply with relevant pressure vessel standards. In China, common pressure vessel standards include GB150 "Steel Pressure Vessels" and GB18435 "Storage Tanks". Safety Standards: The use of liquid carbon dioxide storage tanks must adhere to applicable safety standards and regulations. For instance, in China, the safe use of liquid carbon dioxide storage tanks should follow standards such as GB50028 "Design Code for Petroleum and Chemical Industry Enterprises" and GB50016 "Fire Prevention Code for Building Design". Inspection and Testing Standards: The inspection and testing of liquid carbon dioxide storage tanks must comply with relevant standards and regulations. For example, regular inspections of liquid carbon dioxide storage tanks can refer to standards like GB/T 19638 "Code for Periodic Inspection of Pressure Vessels". Environmental Protection Standards: The use of liquid carbon dioxide storage tanks must comply with relevant environmental protection standards and regulations. For instance, in China, the exhaust emissions from liquid carbon dioxide storage tanks should meet standards like "Emission Standards of Air Pollutants".

A Carbon Dioxide Storage Tank Pressure Maintenance System is a system designed to maintain the internal pressure of a carbon dioxide storage tank. Since carbon dioxide is a gas at room temperature, it needs to be compressed into a liquid state for storage to increase density. The primary function of the pressure maintenance system is to monitor and regulate the internal pressure of the tank, ensuring the carbon dioxide remains within a safe and stable pressure range. The system typically consists of the following components: - Pressure Sensors: Installed inside the tank to monitor the pressure in real-time. The sensors transmit pressure signals to the control system. - Control System: Receives signals from the pressure sensors and controls the pressure within a preset range. When the pressure inside the tank exceeds or falls below the set range, the control system triggers the appropriate control measures. - Pressure Regulating Valve: Adjusts the pressure inside the tank according to the control system's instructions. When the pressure is too high, the valve opens to release some gas to lower the pressure. When the pressure is too low, the valve closes to prevent further gas release and increase the pressure. - Pressure Reserve Device: Usually a pressure vessel used to store additional gas for providing extra pressure support when needed. When the pressure inside the tank drops, the reserve device releases gas to maintain the pressure within the tank. Through the coordinated work of these components, the Carbon Dioxide Storage Tank Pressure Maintenance System ensures that the pressure inside the tank remains within a safe and stable range. This is crucial for the normal operation and safety of the tank.

Carbon dioxide tanks are widely used in various industries. Here are some common sectors where carbon dioxide tanks are employed as examples: - Beverage and Food Industry: Carbon dioxide is used as a carbonating agent for beverages and food, such as soda, beer, and soft drinks. Tanks are used for storing and supplying carbon dioxide to meet production line needs. - Industry: Carbon dioxide has multiple applications in the industry, including anesthesia, respiration, and tissue freezing. Tanks are used for storing and supplying medical-grade carbon dioxide to meet facility requirements. - Fire Extinguishing: Carbon dioxide is extensively used in fire suppression systems, particularly in extinguishing electrical and sensitive equipment. Tanks are used for storing and supplying carbon dioxide for fire extinguishing purposes. - Gas Industry: Carbon dioxide is also a significant product in the gas industry, used in the production of chemicals, metal processing, welding, and gas shielding. Tanks are used for storing and supplying industrial-grade carbon dioxide. - Greenhouse Agriculture: Carbon dioxide can be used to promote plant growth in greenhouses, providing additional carbon dioxide concentration. Tanks are used to supply the required carbon dioxide for greenhouse use. - Automotive Industry: Carbon dioxide is used for tire inflation and airbag systems in cars. Tanks are used for storing and supplying carbon dioxide to meet the needs of car manufacturing and repair. These are just a few examples of common industries. In reality, carbon dioxide tanks are also widely used in many other sectors, such as chemicals and frozen food. Specific applications may vary depending on industry needs and scenarios.
Zhongjie Special Equipment upholds the grand 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 high-value products and services!