Shandong Zhongjie Special Equipment Co., Ltd. (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, GB2 and GC2 class pressure pipeline installation licenses, and equipment and machinery installation contracting qualifications. 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, and has passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the American ASME/U2 certification.
Key measures to ensure the quality of CO2 storage tanks include the following aspects: 1. Selecting qualified suppliers: Choose suppliers with a good reputation and experience, ensuring that the tanks they provide meet relevant quality standards and regulations. This can be achieved by assessing the supplier's qualifications, referring to customer reviews, and conducting on-site inspections to select the appropriate supplier. 2. Strict quality control: Implement rigorous 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 tanks meet quality requirements. 3. Compliance with standards and regulations: The design, manufacturing, and installation of the tanks should comply with relevant standards and regulations, such as industry standards and specifications. These include structural design, material selection, welding processes, corrosion prevention measures, and the configuration of safety valves and pressure sensors. 4. Regular inspections and maintenance: Tanks should undergo regular inspections and maintenance during use to ensure safety and reliability. This involves checking the tank's appearance, sealing, valves, and pipeline connections, conducting pressure tests and leak detection regularly, and addressing abnormal situations promptly. 5. Establishing a quality management system: Establish a comprehensive quality management system, including quality control processes, documentation, quality training, and internal audits. By establishing a quality management system, tank quality control and continuous improvement can be ensured. 6. Third-party testing and certification: Entrust third-party institutions to conduct testing and certification of the tanks to verify their quality and compliance. Third-party testing and certification agencies are typically independent and objective, providing impartial assessment and certification results. 7. Through the implementation of these measures, the quality of CO2 storage tanks can be effectively ensured, enhancing their safety and reliability.

The liquid level of a CO2 storage tank varies depending on the specific design and operational requirements. Generally, the liquid level in a CO2 liquid storage 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 overpressure and the risk of tank explosion. - Storage capacity: Keeping a higher level maximizes the tank's capacity, allowing for more CO2 storage. - Stable supply: Maintaining an appropriate level ensures a stable CO2 supply to meet usage demands. However, specific level requirements may vary depending on different applications and industries. When using a CO2 storage tank, it is essential to follow the manufacturer's recommendations and relevant regulations and standards to ensure the tank's level is controlled within a safe and appropriate range.

Carbon dioxide storage tanks are equipment designed for storing and transporting carbon dioxide gas, with their principle based on the working principles of pressure vessels and the physical properties of carbon dioxide. Pressure Vessel Principle: Carbon dioxide storage tanks are pressure vessels capable of withstanding the pressure of the internal gas. They are typically made of high-strength materials like steel. The design and structure of the tank can withstand high pressure, ensuring the safe storage and transportation of the gas. Compressed Gas Storage: Carbon dioxide is a gas at room temperature but can be compressed into a liquid under high pressure. Carbon dioxide storage tanks use high pressure to compress the gas into a liquid, achieving higher storage density. Liquid carbon dioxide occupies less volume, allowing for more gas to be stored. Level Control: The tank is equipped with a level control system to monitor and control the liquid level of carbon dioxide. This system usually includes level sensors and control valves, ensuring the tank's liquid level remains within a safe range. Pressure Control: The tank also has a pressure control system to monitor and control the gas pressure inside. This system typically includes pressure sensors and safety valves, ensuring the pressure inside the tank remains within a safe range to avoid damage or safety risks due to excessive or insufficient pressure. Through these principles, carbon dioxide storage tanks can safely store and transport carbon dioxide gas to meet the needs of various fields, such as food processing, beverage manufacturing, and fire suppression. When using carbon dioxide storage tanks, it is essential to follow relevant safety operating procedures and guidelines to ensure safe operation and usage.

Carbon dioxide has extensive applications in the field of food freezing. Here are some common uses of carbon dioxide in food freezing: - Food Processing: Carbon dioxide is frequently used in the processing of frozen foods. By exposing food to liquid carbon dioxide, temperatures can be rapidly reduced, enabling quick freezing. This rapid freezing effectively preserves the quality, texture, and nutritional content of the food. - Storage: Carbon dioxide is also utilized for freezing food storage. During the storage process, food is placed in a低温 environment, and through the freezing effect of carbon dioxide, temperatures are lowered below the freezing point, extending the shelf life of the food. - Transportation: Carbon dioxide plays a crucial role in frozen food transportation. By employing carbon dioxide freezing techniques during transport, the low temperature state of the food is maintained, preventing quality loss. - Display: In the retail food industry, carbon dioxide is also used in frozen display cabinets. By injecting carbon dioxide gas into the cabinets, the low temperature state of the food is preserved, showcasing it while maintaining freshness and quality. Compared to traditional freezing techniques, carbon dioxide freezing offers advantages such as faster freezing, better freezing effects, and less impact on food quality. However, it is important to note that the use of carbon dioxide freezing technology requires safe operation to avoid leaks and harm to humans. Therefore, when using carbon dioxide for food freezing, it is necessary to follow relevant safety procedures and guidelines.
Zhejiang Zhongjie Special Equipment adheres to the great vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," and is dedicated to the development of green energy equipment. We offer products and services with high cost-performance to contribute to society!