Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen-nitrogen-argon tanks, and CO2 tanks; pressure vessel products such as 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.
The application standards for liquid carbon dioxide storage tanks mainly include the following aspects:

Carbon dioxide storage tanks are equipment used for storing and transporting carbon dioxide (CO2). They are typically sealed containers with special design and structure to ensure safe storage and use of CO2. Here are some common details about carbon dioxide storage tanks: Storage Form: CO2 is a gas at room temperature but can be compressed into a liquid under high pressure for easier storage and transport. Storage tanks for CO2 usually hold liquid CO2. Storage Pressure: These tanks typically store high-pressure CO2 at around 20-25 bar. This high-pressure state helps maintain CO2 in a liquid state. Storage Capacity: The capacity of CO2 storage tanks can vary from several thousand liters to tens of thousands of liters, depending on specific application needs. Safety: CO2 is colorless, odorless, and non-toxic, but it can be dangerous at high concentrations, causing asphyxiation. Therefore, appropriate safety measures such as ventilation and protective gear must be taken when using CO2 storage tanks to ensure the safety of operators. Applications: Carbon dioxide storage tanks are widely used in various fields, including the food and beverage industry, manufacturing, fire suppression, and gas supply. They are used to store and supply CO2 to meet different industry needs. It is important to note that the design, manufacturing, and use of CO2 storage tanks must comply with relevant regulations, standards, and safety requirements. When using these tanks, operators should follow the operating manual and safety guidelines, and cooperate with local regulatory authorities to ensure the safety and reliability of the tanks.

The primary reason for pre-cooling a CO2 tank before use is to ensure that the CO2 inside the tank remains in a liquid state and maintains a stable temperature during storage and supply. The pre-cooling process typically involves the following steps: 1. Tank Cooling: Before the tank is put into operation, it needs to be cooled internally to a sufficiently low temperature to convert the CO2 from a gas to a liquid. This can be achieved by injecting cooling medium (such as liquid nitrogen) into the tank or by using an external cooling unit. 2. Tank Pre-charging: After the tank is cooled, liquid CO2 must be pre-charged into the tank to fill it and maintain a certain pressure. The purpose of pre-charging is to provide an adequate supply of CO2 during storage and supply and to maintain stable pressure within the tank. Through pre-cooling, the liquid state of the CO2 in the tank can be ensured, preventing premature evaporation and energy loss. Additionally, pre-cooling helps to lower the tank temperature in advance, reducing CO2 evaporation and pressure fluctuations, thereby improving the efficiency and safety of the tank. It is important to note that the specific operational methods and requirements for pre-cooling may vary depending on the tank design and usage scenario. When performing pre-cooling operations, it is necessary to follow relevant safety operating procedures and standards to ensure the safety and effectiveness of the operation.

When using CO2 storage tanks, be mindful of the following aspects: - Safe Operation: Adhere to relevant safety operating procedures and standards to ensure operators have the necessary safety knowledge and skills. When using the tank, be vigilant against 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 check the liquid level within the tank to ensure adequate CO2. Avoid overfilling or underfilling to maintain an appropriate level. - Static Control Measures: Implement static control measures to prevent static buildup and discharge. Use antistatic equipment and tools to ensure safety during operations. - Tank Maintenance: Regularly inspect and maintain the tank, including its appearance, valves, and fittings. Ensure the tank is intact to prevent leaks and damage. - Emission Treatment: Handle the exhaust gases produced by CO2 storage tanks to avoid environmental pollution. Adopt appropriate emission treatment measures, such as collecting and processing emissions. - Storage Records: Keep records of the tank's usage, including filling dates, quantities, and inspection records. Regularly conduct tank inspections and maintenance and retain relevant records. - Training and Awareness: Train operators to enhance their awareness and ability in safe CO2 tank operation. Conduct regular safety training and drills to respond to emergencies. Note that these are common precautions, and specific considerations may vary depending on tank type and application. When using CO2 storage tanks, operate according to relevant regulations and standards, and consult experts to ensure safety and effectiveness.
Our company attaches great importance to technological innovation and R&D, boasting one municipal-level enterprise technology center in Heze City. We have established test facilities for non-destructive testing,理化 testing, welding testing, hydrostatic testing, and more, equipped with over 600 various instruments and equipment such as CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, etc. The key products and technologies we have developed, including temperature-pressure vessel welding, biomass boiler emissions reduction, and waste heat utilization, have successively been included in 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 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industrial standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yijiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technique. After provincial-level scientific and technological achievement evaluation, our technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!