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 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.
Daily inspections and maintenance of CO2 storage tanks can be conducted in the following steps: - Visual Inspection: Check for any obvious damage, corrosion, or oil leakage signs on the tank's exterior. Pay attention to any abnormalities in the tank shell, valves, pipe connections, etc. - Internal Inspection: If access to the interior of the tank is permitted, conduct an internal inspection. Check for corrosion, scaling, or blockages in the inner lining, valves, pipes, etc. - Valve and Pipe Inspection: Check the tank's inlets and outlets, as well as pipe connections, for normal operation and for any leaks or loose fittings. Ensure valves are operable and reliable. - Pressure Relief Device Inspection: 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. - Measurement and Control System Inspection: Check if the tank's level, pressure, and temperature measurement and control systems are operating properly. Calibrate and test the accuracy of measuring equipment. - Cleaning and Drainage: Regularly clean the interior of the tank to remove accumulated impurities and sediments. Also, periodically drain the liquid and gas impurities from the tank. - Maintenance and Repair: Perform necessary maintenance and repair work based on inspection results. Repair damaged components, replace worn-out seals, etc., to ensure normal tank operation. - Documentation and Reporting: Record the inspection and maintenance process, including the inspection date, contents, identified issues, and measures taken. Submit inspection reports to relevant departments or management as needed. The above steps are general guidelines for daily inspections and maintenance of CO2 storage tanks. Specific procedures should be tailored to the tank's characteristics and requirements. When conducting inspections and maintenance, follow relevant safety operating procedures and have personnel perform the operations.

The automatic maintenance system for CO2 storage tanks typically includes the following main components: - Pressure Maintenance System: Monitors and adjusts the internal pressure of the tank to ensure the CO2 inside remains within a safe and stable pressure range. This system comprises pressure sensors, control systems, pressure regulators, and pressure reserve devices. - Temperature Control System: Monitors and adjusts the internal temperature of the tank to maintain the CO2 within an appropriate temperature range. The system includes temperature sensors, control systems, and temperature regulators. - Level Monitoring System: Measures and monitors the liquid level within the tank to ensure the CO2 level is within a safe range. This system can utilize float level gauges, pressure level gauges, and ultrasonic level gauges. - Leak Detection System: Monitors leaks in the tank and pipeline systems, enabling timely detection and alarms. The system can employ gas sensors, liquid sensors, and leak detectors. - Fire Detection and Extinguishing System: Monitors fire conditions in the tank area and takes appropriate extinguishing measures. The system includes fire detectors, alarms, and extinguishing equipment. - Remote Monitoring and Control System: Monitors and controls the operational status and parameters of the tank remotely, enabling remote operation and management. This system connects via network, providing real-time data and remote control functions. These are the main components of a typical CO2 storage tank automatic maintenance system. Specific system configurations and functionalities can be customized according to the tank's design requirements and application scenarios. These automatic maintenance systems enhance the tank's safety, stability, and reliability, reducing the need for manual intervention and operational risks.

Carbon dioxide tanks are widely used in many different industries. Here are some common application sectors: Food and Beverage Industry: Carbon dioxide tanks are utilized in the production process of carbonated drinks, beer, soda, and more. Carbon dioxide is infused into the beverages to enhance their fizz and taste. Medical Industry: In the medical field, carbon dioxide tanks are employed for applications such as anesthesia, respiration, and emergency care. Liquid carbon dioxide can be used to produce refrigerants for freezing and preserving biological samples and tissues. Fire Suppression: Carbon dioxide tanks are used in fire suppression systems within the fire industry. Carbon dioxide is released into the fire scene to extinguish flames by inhibiting oxygen supply. Gas Supply: Carbon dioxide tanks also serve to supply carbon dioxide gas for industrial and commercial use. These gases can be used in applications like welding, gas shielding, semiconductor manufacturing, and water treatment. Climate Control: In greenhouses and indoor horticulture, carbon dioxide tanks are used to control and increase the concentration of carbon dioxide for plant growth. Additionally, carbon dioxide tanks can be used in other industries such as the automotive industry (for airbag systems) and other industries (for propellants and gas supply). It's important to note that the requirements and applications for carbon dioxide tanks may vary by industry. When using carbon dioxide tanks, it's crucial to follow relevant regulations and standards, and ensure that the design, manufacture, and use of the tanks meet the corresponding requirements.

Carbon dioxide storage tanks feature the following characteristics: High-pressure storage: These tanks are commonly used for high-pressure storage and can withstand significant pressure. The CO2 inside the tank exists in a gaseous or liquid state, with pressure typically ranging from tens to hundreds of MPa. High-density storage: When stored in a liquid state, CO2 has a higher storage density, allowing for more CO2 to be stored in a smaller tank compared to gaseous storage, thereby enhancing storage efficiency. Corrosiveness: CO2 has some corrosive properties and can erode certain materials. As a result, storage tanks are usually made from corrosion-resistant materials like stainless steel or alloy steel to ensure durability and safety. Temperature sensitivity: CO2 is a gas at room temperature but can turn into a liquid at lower temperatures. Therefore, storage tanks often need to have good insulation properties to maintain low internal temperatures. Safety protection: Storage tanks are equipped with safety valves and pressure relief devices to control internal pressure and temperature, ensuring the safety of the storage process. Additionally, they must have excellent sealing performance to prevent leaks. Wide application: Carbon dioxide storage tanks are widely used in various industries such as food and beverage, pharmaceutical, and chemical sectors. They can be used for freezing food, refrigeration equipment, gas supply, and more, meeting diverse industry needs. In summary, carbon dioxide storage tanks possess high-pressure storage, high-density storage, corrosiveness, temperature sensitivity, safety protection, and wide application. These features make them crucial equipment for storing and using CO2 in many industries.
Our company attaches great importance to technological innovation and R&D design. We possess 1 municipal 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 various instruments and 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, etc. The key products and technologies we have developed, such as temperature-pressure vessel welding, biomass boiler emission reduction, and waste heat recovery, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have cumulatively obtained 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc + wire filling argon arc welding (PAW-GTAW) technology. The provincial scientific and technological achievement identification has confirmed that the technology level in the field of deep cryogenic vessel manufacturing has reached an international standard. Choose Zhongjie Special Equipment, and let's create brilliance together!