Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license and an A2-grade pressure vessel manufacturing license, as well as an A2-grade pressure vessel design license. The company also possesses a B-grade boiler installation license, GB2 and GC2 pressure pipeline installation licenses, and an electromechanical installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the Council Unit of the Shandong Equipment Manufacturing Association. The company has passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the U.S. ASME/U2 certification.
Liquid carbon dioxide filling is the process of injecting liquid carbon dioxide into the storage tank. Here are some precautions to consider for carbon dioxide tank filling: - Safe Operation: Adhere to the relevant safety operating procedures during carbon dioxide tank filling. Operators should be trained and understand the characteristics and safety considerations of the tank to ensure safe operations. - Tank Capacity Control: Ensure that the filling does not exceed the tank's rated capacity. Exceeding this capacity may lead to excessive pressure in the tank, increasing safety risks. - Filling Rate Control: Maintain a moderate filling rate to avoid too fast or too slow filling. A rapid filling rate may cause excessive internal pressure, while a slow rate may prolong the filling time. - Temperature Control: Control the temperature of the liquid carbon dioxide during filling. High temperatures may cause rapid evaporation, and low temperatures may lead to solidification. - Pressure Control: Monitor and control the internal pressure of the tank during filling. Excessive pressure may cause the tank to rupture or leak, while low pressure may result in incomplete filling. - Level Monitoring: Regularly monitor the liquid level in the tank during filling to ensure accurate measurements and avoid overfilling or underfilling. - Pressure Relief Devices: The tank should be equipped with pressure relief devices, such as safety valves, to control internal pressure. The set pressure of these devices should meet relevant requirements and be checked and maintained regularly. - Environmental Protection: Pay attention to environmental protection during filling to prevent leaks and contamination of liquid carbon dioxide. Take appropriate protective measures, such as using sealed connections and protective devices. - The above precautions are for carbon dioxide tank filling. Follow relevant safety regulations and standards during filling operations and consult with experts to ensure safety and effectiveness.

Carbon dioxide storage tanks are categorized into various types and structures based on their design and application: - Vertical Tanks: Commonly used carbon dioxide storage tanks, shaped as cylinders and placed vertically. They typically have larger capacities, suitable for large-scale storage and supply of carbon dioxide. - Horizontal Tanks: Another common type, shaped as rectangles or cylinders and placed horizontally. They are generally used for smaller-scale storage and supply, suitable for limited spaces. - Spherical Tanks: A specialized type of carbon dioxide storage tank, shaped as spheres. They offer high strength and pressure containment, ideal for high-pressure storage and transportation. - Vertical Tanks: Smaller capacity carbon dioxide storage tanks, shaped as cylinders and placed vertically. They are commonly used for small-scale storage and supply, such as for commercial and residential use. - Underground Tanks: A unique structure where carbon dioxide storage tanks are buried underground. They save space, reduce visual impact, and provide enhanced safety and environmental protection. These tanks are usually constructed from pressure-resistant materials (like carbon steel or stainless steel) with certain thermal insulation properties and equipped with accessories such as safety valves, pressure gauges, and level indicators. The interior often features baffles or partitions to separate different liquids or gases. Additionally, they are fitted with safety systems including pressure maintenance systems, leak detection systems, and fire detection systems.

Carbon dioxide storage tank debugging typically includes the following steps and contents: Tank installation inspection: Check if the tank's installation location, foundation, and support structure meet design requirements, ensuring stability and safety. Pipeline connection inspection: Verify the tank's connections with inlets and outlets are secure, and that valves and pipelines open and close properly, ensuring the integrity and normal operation of the pipeline system. Tank cleaning and emptying: Clean and empty the tank prior to debugging to ensure there are no impurities or residues, as well as no other gases or liquids inside. 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 accuracy and reliability. Safety system testing: Test the tank's safety system, including the functionality of safety valves, pressure gauges, and level gauges, to ensure normal operation and response. Operating parameter adjustment: Adjust the tank's operating parameters, such as pressure, temperature, and level, based on actual needs and process requirements, to meet process demands and safe operation. Record and report: Record and organize data, test results, and operational records during debugging, generating a debugging report for future reference and management. The above are general steps and contents of carbon dioxide storage tank debugging. Specific debugging procedures may vary based 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 liquid level of a carbon dioxide tank varies depending on specific design and usage requirements. Generally, the liquid level in a liquid carbon dioxide tank is typically maintained between 80% and 95%. There are several reasons for keeping the tank level within this range: - Space retention: Maintaining a certain level of liquid provides steam space inside the tank to prevent over-pressurization and the risk of tank explosion. - Storage capacity: Keeping a higher level maximizes the tank's capacity, allowing for more carbon dioxide storage. - Stable supply: Maintaining an appropriate level ensures a stable supply of carbon dioxide to meet usage demands. However, specific level requirements may vary due to different applications and industries. When using a carbon dioxide tank, follow the manufacturer's recommendations and relevant regulations and standards to ensure the tank's level is controlled within a safe and appropriate range.
Zhongjie Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We commit to society with high-quality products and services at competitive prices!