Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Development Zone, Heze City, with a registered capital of 50 million yuan and total assets of 500 million yuan. The company has 7 business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total of 200,000 square meters. The main workshop spans 83,000 square meters. There are currently 710 employees, including 247 engineers and technicians, and 82 intermediate-level technicians. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
The installation of a carbon dioxide storage tank safety valve is a crucial measure to ensure the tank can safely release pressure in case of overpressure. Here are general installation steps: 1. Select an appropriate safety valve: Choose a suitable safety valve based on the tank's design pressure and flow requirements. Ensure the safety valve's rated pressure and flow match the tank's specifications. 2. Installation location: Select a suitable position for the safety valve, typically on the top or side of the tank. Ensure the safety valve can easily release pressure and is not obstructed by other equipment or structures. 3. Preparations: Clean the tank surface at the installation location, ensuring no debris or dirt. Check the seal integrity of the safety valve and connecting pipes, ensuring no damage or leaks. 4. Install the safety valve: Connect the safety valve to the tank using appropriate fittings and sealing materials. Follow the safety valve's installation instructions to ensure a secure and reliable connection with the tank. 5. Adjustment and testing: Adjust and test the safety valve according to its specifications and requirements. Ensure the safety valve operates normally within the set pressure range and can release pressure promptly. 6. Labeling and documentation: Label relevant information on the safety valve and tank, such as the rated pressure and flow of the safety valve, installation date, etc. Record the installation process and test results for future reference and maintenance. Please note that installing a carbon dioxide storage tank safety valve must follow relevant safety operation procedures and standards. If you lack the necessary knowledge and experience, it is recommended to consult professionals or manufacturers for installation.

Carbon dioxide storage tanks are equipment used for storing and transporting carbon dioxide gas, with their principle based on the working principle of pressure vessels and the physical properties of carbon dioxide. Pressure Vessel Principle: A carbon dioxide storage tank is a pressure vessel capable of withstanding the pressure of the internal gas. It is typically made of high-strength materials like steel. The tank's design and structure are engineered to 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. Storage tanks use high pressure to compress the gas into a liquid, achieving a higher storage density. The 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. The level control system usually includes level sensors and control valves, ensuring the liquid level within the tank remains within a safe range. Pressure Control: The tank also features a pressure control system to monitor and control the internal gas pressure. The pressure control system typically includes pressure sensors and safety valves, ensuring the pressure within the tank stays within a safe range, preventing damage or safety risks from excessive or low 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 necessary to follow relevant safety operating procedures and guidelines to ensure the safe operation and use of the tank.

Key measures to ensure the quality of CO2 storage tanks include the following: 1. Selecting qualified suppliers: Choose suppliers with good reputation and experience, ensuring their tanks meet relevant quality standards and specifications. This can be achieved by evaluating the supplier's qualifications, referencing customer reviews, and conducting on-site inspections to select an 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, conducting product testing and inspections to ensure 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 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 the configuration of pressure sensors. 4. Regular inspections and maintenance: Tanks in use require regular inspections and maintenance to ensure safety and reliability. This involves checking the tank's appearance, seals, valves, and pipeline connections, conducting regular pressure tests and leak detection, and addressing abnormal situations promptly. 5. 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, tank quality control and continuous improvement can be ensured. 6. Third-party testing and certification: Entrust a third-party agency to conduct testing and certification of the tanks to verify their quality and compliance. Third-party testing and certification agencies are typically impartial and can provide objective assessment and certification results. 7. By implementing these measures, the quality of CO2 storage tanks can be effectively ensured, enhancing their safety and reliability.

The reason for regular inspections of low-temperature liquid carbon dioxide storage tanks is to ensure their safety performance and normal operation. Due to the storage tanks being under low temperatures and high pressures, there are certain safety risks, such as leaks or structural fractures. Regular inspections can help detect potential issues early on, allowing for appropriate measures to be taken for repairs or maintenance to ensure the safe operation of the tanks. The specific inspection frequency should be determined according to relevant regulations and standards, and it is generally recommended to conduct regular inspections and maintenance. Typically, the interval for regular inspections of low-temperature liquid carbon dioxide storage tanks is between 1 to 3 years, with the exact interval potentially varying based on factors such as usage, age, and design standards. The contents of the regular inspections usually include visual checks of the tank, inspections of valves and fittings, leak detection, and pressure tests. Additionally, regular checks and maintenance of the insulation layer should be conducted to ensure its insulating performance. It is important to note that the specific inspection frequency and contents should be determined based on local regulations, standards, and the manufacturer's recommendations. Inspections should be carried out by qualified personnel, and maintenance records should be kept to track and manage the safety performance of the tanks.
Chongjie Special Equipment upholds the great vision of "Realizing employee dreams, creating customer value, and striving for the prosperity and strength of our motherland," wholeheartedly devoting itself to the development of green energy equipment. We offer society products and services with high performance and affordability!