Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, a B-grade boiler installation license, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as a mechanical and electrical equipment installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the council member of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
Daily inspections and maintenance of carbon dioxide storage tanks can be carried out in the following steps: - External Inspection: Check for any visible damage, corrosion, or oil leakage on the tank's exterior. Pay attention to any anomalies in the tank shell, valves, and pipe connections. - Internal Inspection: If entry is permitted, conduct an internal inspection. Check for corrosion, scale buildup, or blockages in the lining, valves, and pipes. - Valve and Pipe Inspection: Verify that the tank's inlet and outlet valves and pipe connections are functioning normally and for any leaks or loose fittings. Ensure valves operate smoothly and reliably. - Pressure Relief Device Inspection: Check 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: Ensure that the tank's level, pressure, and temperature measurement and control systems are operating normally. Calibrate and test the accuracy of measuring equipment. - Cleaning and Drainage: Regularly clean the interior of the tank, removing accumulated impurities and sediments. Also, perform regular drainage to remove 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 the tank operates normally. - 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. These are general steps for daily inspections and maintenance of carbon dioxide storage tanks. Specific operations should be conducted according to the tank's characteristics and requirements. When conducting inspections and maintenance, follow relevant safety operating procedures and have personnel perform the operations.

When applying paint to CO2 storage tanks, the following issues should be taken into account: - Surface Preparation: Prior to painting, thorough surface preparation of the tank is mandatory. This involves cleaning the surface, removing grease, dirt, and old coatings to ensure proper adhesion and quality of the paint. - Paint Selection: Choosing the right paint for CO2 storage tanks is crucial. The paint should be corrosion-resistant, heat-resistant, and chemical-resistant to protect the tank surface from corrosion and damage. - Spray Technique: The choice and operation of the spray technique are vital for the quality and uniformity of the coating. Appropriate spray equipment and methods should be selected to ensure even coverage of the entire tank surface and to avoid drips and runs of the paint. - Coating Thickness: The thickness of the coating is critical for the tank's protection. The coating thickness should be controlled according to the paint requirements and the tank's operating environment to ensure the coating's protective performance and lifespan. - Drying and Curing: After the coating is applied, sufficient time must be allowed for drying and curing. Follow the correct drying time and conditions as per the paint requirements to ensure the quality and performance of the coating. - Safety Measures: Appropriate safety measures must be taken during the painting process, including wearing protective eyewear, respirators, and protective clothing to ensure the safety of the operators. - Quality Inspection: After painting, a quality check should be conducted, including the appearance, adhesion, and thickness of the coating. Any issues or defects should be repaired and addressed promptly. It should be noted that painting CO2 storage tanks should be carried out by professionals.

Carbon dioxide storage tank standard parameters may vary depending on different design and application requirements. Here are some common standard parameters: - Tank Capacity: The capacity of carbon dioxide storage tanks is typically expressed in kiloliters (L) or cubic meters (m). Common capacity ranges vary from a few thousand to tens of thousands of liters. - Working Pressure: The working pressure of carbon dioxide storage tanks is usually around 20 to 25 MPa (megapascals) at room temperature, with the specific pressure determined by application needs and design standards. - Design Temperature: The design temperature of carbon dioxide storage tanks is usually within a low-temperature range, generally between -40°C to -60°C, to accommodate the liquefaction and storage requirements of carbon dioxide. - Material: Carbon dioxide storage tanks are commonly made of high-strength steel or alloy materials to withstand stress and loads under high pressure and low-temperature environments. - Insulation Layer: The tank is internally insulated to reduce heat transfer and liquid evaporation. The insulation layer is typically a multi-layer structure, including thermal insulation materials and an external protective layer. - Safety Valve and Pressure Relief Device: The tank is equipped with a safety valve and pressure relief device to control internal tank pressure and prevent overpressure and explosion. - Level Monitoring and Control: The tank is equipped with level monitoring devices to monitor the liquid level inside the tank. Timely monitoring and control of the level ensure that the liquid storage volume within the tank remains within a safe range. It should be noted that specific standard parameters for carbon dioxide storage tanks may vary due to different design standards, application requirements, and manufacturers. When selecting and using carbon dioxide storage tanks, it is important to consider these factors.

Carbon dioxide storage tanks possess the following safety technical characteristics: - High-strength materials: Carbon dioxide storage tanks are typically made of high-strength steel or alloy materials to withstand stress and loads under high pressure and low-temperature conditions. - Safety valves and pressure relief devices: The tanks are equipped with safety valves and pressure relief devices to control internal pressure, preventing overpressure and explosions. When the internal pressure exceeds the set value, the safety valve will automatically open to release pressure. - Insulation layer: The tanks have an insulation layer inside to reduce heat transfer and liquid evaporation. The insulation layer usually consists of multi-layer structures, including thermal insulation materials and an external protective layer, to maintain stable internal temperatures. - Level monitoring and control: The tanks are fitted with level monitoring devices to monitor the liquid level inside. Timely monitoring and control of the level ensure that the liquid stored within the tank remains within a safe range. - Fire and explosion prevention measures: The tanks implement fire and explosion prevention measures, such as fire-resistant coatings, fire-isolation areas, and explosion-proof devices, to prevent fires and explosions. - Leak detection and alarm system: The tanks are equipped with leak detection and alarm systems to promptly detect and alert of any leakage. Quick response and handling can reduce the safety risks caused by leaks. - Regular inspections and maintenance: Tanks require regular inspections and maintenance, including visual inspections, valve repairs, and pressure tests. Regular maintenance ensures the safety and reliability of the tanks. - It should be noted that the specific safety technical characteristics of carbon dioxide storage tanks may vary depending on the type of tank and its application. When using carbon dioxide storage tanks, relevant regulations and standards should be followed.
ZJ Special Equipment adheres to the great vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," wholeheartedly committed to the development of green energy equipment. We dedicate high-value products and services to society!