Shandong Zhongjie Special Equipment Co., Ltd. specializes in the following products: 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 storage tanks, oxygen/nitrogen/argon storage tanks, and CO2 storage tanks; pressure vessel products including 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.
Key measures to ensure the quality of CO2 storage tanks include the following aspects: Selecting qualified suppliers: Choose suppliers with a good reputation and experience, ensuring that the tanks they provide meet relevant quality standards and specifications. This can be achieved by assessing supplier qualifications, referencing customer reviews, and conducting on-site inspections to select suitable suppliers. Strict quality control: Implement strict quality control measures during the manufacturing process of the tanks. This includes selecting and inspecting raw materials, controlling production processes, monitoring process parameters, product testing, and ensuring the quality of the tanks meets requirements. Compliance with standards and specifications: The design, manufacturing, and installation of the tanks should comply with relevant standards and specifications, such as industry standards and regulations. These include the structural design of the tanks, material selection, welding processes, corrosion protection measures, safety valves, and configuration of pressure sensors. Regular inspections and maintenance: Tanks require regular inspections and maintenance during use to ensure safety and reliability. This involves checking the appearance, seals, valves, and pipe connections, conducting pressure tests and leak detection regularly, and addressing abnormal situations promptly. Establishing a quality management system: Establish a comprehensive quality management system, including quality control processes, document records, quality training, and internal audits. By establishing a quality management system, the quality control and continuous improvement of the tanks can be ensured. Third-party testing and certification: Delegate tank testing and certification to third-party agencies to verify quality and compliance. Third-party testing and certification agencies are typically independent and objective, providing impartial assessment and certification results. By implementing these measures, the quality of CO2 storage tanks can be effectively ensured, enhancing their safety and reliability.

Common disadvantages of corrosion in pressure vessels during use include: - Chemical media: Certain chemical media are corrosive, such as acids, bases, salts, etc. When these media come into contact with the vessel material, corrosion may occur. - Humidity and moisture: High humidity environments or long-term exposure to moisture can lead to corrosion on the vessel surface, especially when oxygen is present, which may accelerate the corrosion rate. - Rusting: When the protective layer on the vessel surface (such as coatings or plating) is damaged or destroyed, the vessel may suffer from rusting. Rusting can damage the vessel's surface and may lead to further corrosion. - Electrochemical corrosion: When different metals or metals and non-metals come into contact, an electrochemical corrosion battery may form. This type of corrosion can cause localized corrosion on the vessel surface. - Welding defects: Defects like weld pores and cracks may be introduced during the welding process. These defects can become starting points for corrosion. - Corrosion weakens the structural integrity of the vessel, increasing the risk of leakage or rupture. Therefore, regular inspection and maintenance of the corrosion-resistant layer, coating, or plating on pressure vessels are important. If corrosion issues are found, timely measures should be taken to repair or replace the damaged parts. - Additionally, selecting appropriate materials and corrosion prevention measures, as well as proper operation and maintenance methods, can reduce the risk of corrosion in pressure vessels. Adhering to relevant safety operation procedures and standards ensures the safe operation of pressure vessels.

Carbon dioxide storage tank debugging typically involves the following steps and contents: Tank Installation Inspection: Check if the tank's installation location, foundation, and supporting structure meet design requirements to ensure stability and safety. Pipeline Connection Inspection: Verify the integrity and proper operation of the connections between the tank and inlet and outlet pipelines, including valves and pipes' opening and closing, to ensure the pipeline system's completeness and normal operation. Tank Cleaning and Emptying: Before debugging, clean and empty the tank to ensure there are no impurities or residues inside, as well as no other gases or liquids. Tank Pressure Testing: Conduct pressure tests on the tank, including static pressure tests and leak tests. Static pressure testing involves increasing pressure to check the tank's sealing and pressure resistance. Leak testing checks for any leaks in the tank and pipeline system. Control System Debugging: Calibrate and adjust the tank's control system, including pressure, temperature, and level sensors, to ensure the accuracy and reliability of the control system. Safety System Testing: Test the tank's safety system, including the functionality of safety valves, pressure gauges, and level indicators, to ensure the normal operation and responsiveness of the safety system. Operating Parameters Adjustment: Adjust the tank's operating parameters, such as pressure, temperature, and level, based on actual needs and process requirements to meet process specifications and safe operation. Documentation and Reporting: Record and organize data, test results, and operational records during the debugging process, generating a debugging report for future reference and management. The above steps and contents are general for carbon dioxide storage tank debugging, and specific debugging procedures may vary depending on tank design requirements and application scenarios. During debugging operations, strictly adhere to relevant safety operation procedures and standards to ensure the safety and effectiveness of the debugging process.

The design requirements for carbon dioxide storage tanks typically include the following aspects: Pressure Vessel Design: Carbon dioxide storage tanks are usually designed as high-pressure vessels capable of withstanding high pressure. The design must comply with relevant standards and regulations, such as Standard GB150 "Steel Pressure Vessels." Material Selection: The choice of materials for the tank should consider the properties of carbon dioxide, such as high pressure, high oxidizing, and corrosive nature. Common materials include carbon steel and stainless steel, with selection based on specific working conditions and requirements. Safety Valve and Pressure Control: The tank should be equipped with a safety valve and pressure control device to ensure internal pressure remains within a safe range. The safety valve should be selected according to design requirements and regularly inspected and tested to ensure proper operation. Insulation Performance: Since carbon dioxide needs to be maintained in a liquid state at low temperatures, the tank should have good insulation properties to prevent excessive evaporation of liquid carbon dioxide and energy loss. The selection and design of insulation materials and layers should consider working temperatures and environmental conditions. Leak Detection and Alarm: The tank should be equipped with leak detection devices and an alarm system, as well as corresponding monitoring equipment. These devices can detect leaks in a timely manner and trigger alarms to take appropriate measures. Structural Strength and Stability: The structural design of the tank should have sufficient strength and stability to withstand internal pressure and external loads. The structural design must comply with relevant standards and regulations, such as Standard GB12337 "Design Code for Pressure Vessels." Safe Operation and Maintenance: The design of the tank should take into account the ease of safe operation and maintenance, such as the placement of manholes, inspection openings, and drainage outlets.
ZJ Special Equipment adheres to the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," devoting itself to the development of green energy equipment. We offer society products and services with high cost-performance!