Shandong Zhongjie Special Equipment specializes in: 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 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.
When filling liquid carbon dioxide into storage tanks, pay attention to the following aspects: Safety Operation: Adhere to relevant safety operation procedures and standards during the filling process. Operators must receive training, understand the operation requirements and safety measures of the filling equipment, and operate strictly according to the procedures. Tank Inspection: Before filling, a thorough inspection of the tank is mandatory to ensure its integrity and safety. Check the tank's appearance, sealing, valves, and pipeline connections, and promptly repair or replace them if any abnormalities or damage are found. Filling Equipment: Select appropriate filling equipment, ensuring it meets relevant standards and requirements. The filling equipment should have a safe and reliable design with operational functions to ensure the safety and efficiency of the filling process. Filling Speed Control: Controlling the filling speed is crucial. Excessive filling speed can lead to increased tank pressure, raising safety risks. Control the filling speed based on the tank's capacity and design requirements to ensure safe filling. Pressure Control: During the filling process, the tank's pressure must be strictly controlled. The filling equipment should be equipped with pressure sensors and safety valves to ensure the internal pressure of the tank remains within a safe range. Leak Protection: Ensure the sealing of valves and pipelines during the filling process to prevent carbon dioxide leakage. Regularly inspect and replace seals, and promptly address any leakage situations. Monitoring and Recording: Conduct real-time monitoring and record key parameters such as pressure, temperature, and liquid level during the filling process. This helps to identify abnormalities promptly and make corresponding adjustments and treatments. Note that filling carbon dioxide storage tanks should be performed by qualified operators who follow relevant safety operation procedures and standards. Seek advice and guidance from experts.

Carbon dioxide and liquid oxygen storage tanks are devices used for storing different gases, and they have some differences in physical properties: Physical State: Carbon dioxide (CO2) is a gas at room temperature and requires low temperatures and high pressures to be converted into a liquid. Liquid oxygen (LOX) is a liquid at room temperature and can maintain its liquid state without special conditions. Storage Temperature: The liquid storage temperature of carbon dioxide typically ranges from -40°C to -78.5°C, while the liquid storage temperature of liquid oxygen usually ranges from -183°C to -183.15°C. The storage temperature of liquid oxygen is lower, requiring more stringent insulation measures. Storage Pressure: The liquid storage pressure of carbon dioxide usually ranges from 5 to 20 MPa, while the liquid storage pressure of liquid oxygen usually ranges from 0.2 to 2 MPa. The storage pressure of liquid oxygen is lower. Density: The density of liquid carbon dioxide is approximately 0.8 grams per cubic centimeter, while the density of liquid oxygen is approximately 1.14 grams per cubic centimeter. The density of liquid oxygen is higher. Safety: Liquid oxygen has a high oxygen content, making it highly flammable and oxidizing, necessitating stricter safety measures. Carbon dioxide is relatively safe, but it can still pose a risk to human health at high concentrations.

For accessories of carbon dioxide storage tanks, such as valves, pipes, and pressure relief devices, maintenance and protection are crucial. Here are some suggestions: Regular Inspections: Conduct regular inspections of the accessories' appearance and operational status to ensure no damage, loose parts, or leaks. Pay special attention to the sealing performance and operational flexibility of valves. Cleaning and Maintenance: Regularly clean the accessories to remove dirt and impurities on the surface. Use appropriate cleaning agents and tools, avoiding corrosive substances. Lubrication Maintenance: For accessories requiring lubrication, such as valve pistons and stems, perform regular lubrication maintenance. Use suitable lubricants to ensure the normal operation and sealing performance of valves. Sealing Inspection: Regularly check the sealing performance of accessories, such as valve seals and sealing surfaces. Replace any damaged or aged sealing parts promptly. Corrosion Protection: For accessories prone to corrosion, such as pipes and valves, take anti-corrosion measures, such as applying anti-corrosion coatings or wrapping with anti-corrosion materials. Regular Calibration: Calibrate measuring equipment such as level sensors and pressure sensors regularly to ensure accuracy and reliability. Regular Maintenance: Develop a regular maintenance plan based on the usage and requirements of the accessories, including cleaning, lubrication, and repairs. Ensure the long-term stable operation of the accessories. Storage and Transportation Precautions: For spare parts or accessories that require replacement, pay attention to moisture-proof, shock-proof, and damage-proof during storage and transportation to avoid affecting their normal use. The above suggestions are for the maintenance and protection of carbon dioxide storage tank accessories. Specific operations should be tailored to the characteristics and requirements of the accessories and comply with relevant regulations.

Carbon dioxide capture and recovery is a technology designed to capture carbon dioxide from industrial emission sources or the atmosphere and store or utilize it to reduce CO2 emissions. Here are some common carbon dioxide recovery techniques: 1. Coal-fired Power Plant CO2 Capture: In coal-fired power plants, the CO2 produced by burning coal can be captured and recovered. The common method is to use carbon capture technology to separate CO2 from flue gas and then store or utilize it. 2. Industrial Emission Source CO2 Capture: CO2 produced during many industrial processes can be treated with capture and recovery techniques. For example, CO2 generated in the production processes of steel, cement, and chemical industries can be recovered to reduce emissions. 3. Atmospheric CO2 Capture: CO2 in the atmosphere can also be recovered using direct air capture technology. This technology uses adsorbents or chemical reactions to capture and separate CO2 from the atmosphere, which is then stored or utilized. 4. CO2 Utilization: Captured CO2 can be used to produce valuable chemicals and fuels. For instance, through CO2 catalytic conversion technology, CO2 can be converted into fuels like ethanol or chemical raw materials. The development of CO2 recovery technologies aims to reduce greenhouse gas emissions and mitigate climate change. However, these technologies are still under development and research, requiring further technical breakthroughs and practical verification for large-scale application.
Our company attaches great importance to technological innovation and research and development. We have 1 city-level enterprise technology center in Heze City, with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 pieces of various 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 thermal pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively entered multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, key projects of Shandong Province, and Heze City innovative and excellent 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. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology, utilizing the international plasma arc + wire-in-tube argon arc welding (PAW-GTAW) technology. The provincial scientific and technological achievement has been appraised, and the technical level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!