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 seven business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It operates three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 staff, including 247 engineering 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 named a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was identified as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was recognized as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
The filling process for carbon dioxide storage tanks typically includes the following steps: Preparation: Ensure the tank and filling equipment are in good working condition. Inspect the tank's appearance and valves for any damage or leaks. Check the filling equipment's connection pipes and valves for loose or leaking connections. Prepare liquid carbon dioxide: Extract liquid carbon dioxide from the supply source and transfer it to the tank of the filling equipment. Ensure the quality and purity of the liquid carbon dioxide meet the required standards. Connect filling equipment: Link the outlet pipe of the filling equipment to the tank's inlet valve. Ensure the connection is secure and there are no leaks. Open valves: Activate the corresponding valves on the filling equipment and tank to allow liquid carbon dioxide to flow into the tank. Adjust the valves as needed to control the filling speed and pressure. Monitor liquid level: Use a liquid level sensor or other level measurement devices to monitor the liquid carbon dioxide level in the tank in real-time. Ensure the level stays within a safe range and avoid overfilling. Filling complete: Once the liquid level in the tank reaches the predetermined filling amount, close the corresponding valves on the filling equipment and tank to stop the filling of liquid carbon dioxide. Inspection and cleaning: Check the valves and pipe connections during the filling process for any leaks. Clean up any remaining liquid carbon dioxide around the filling equipment and tank. Documentation and reporting: Record relevant information from the filling process, including the filling date, amount, and level monitoring results. Submit filling reports to relevant departments or management as required. The above is a general carbon dioxide storage tank filling process. Specific operations should be based on the tank's characteristics and requirements. When conducting filling operations, follow relevant safety operating procedures and have trained professionals handle the process.

The working principle of a carbon dioxide storage tank involves the compression and liquefaction of carbon dioxide. Here is a brief description of how a carbon dioxide storage tank operates: Compression: The carbon dioxide gas is first compressed to a higher pressure by a compressor. This process compresses the gas into a high-pressure state, enabling it to be converted into a liquid. Cooling: The compressed carbon dioxide gas enters a cooler, where it is rapidly cooled by the coolant or cooling system within the cooler. This process cools the gas to a temperature below its boiling point, transforming it into a liquid. Storage: The cooled carbon dioxide liquid is stored in a sealed tank, which is typically insulated to reduce the evaporation of liquid carbon dioxide and maintain a low temperature. The internal pressure of the tank is maintained within a specific range to ensure stable storage of the liquid carbon dioxide. Supply: When carbon dioxide is needed, it can be extracted from the tank through valves and a piping system. By controlling the opening and flow of the valves, liquid carbon dioxide can be supplied to the required equipment or system. It is important to note that the working principle of carbon dioxide storage tanks may vary depending on specific design and manufacturing. When using a carbon dioxide storage tank, it is necessary to follow the operation manual and safety guidelines, and cooperate with local regulatory agencies and individuals to ensure the safety and reliability of the tank.

When handling CO2 storage tanks, static electricity is a safety issue that needs attention. Here are some methods to avoid static: Grounding: Ensure that the tank and related equipment are properly grounded. Grounding releases static to the ground, reducing the likelihood of static buildup. Use specialized grounding devices and grounding wires to ensure reliable grounding. Anti-static Equipment: Use anti-static equipment such as anti-static clothing, shoes, gloves, etc. These devices help eliminate or reduce static buildup and protect the safety of operators. Avoid Friction: Prevent friction during operation, especially when in contact with flammable or combustible gases. Friction generates static, increasing the risk of fire or explosion. Control Humidity: Maintain a suitable humidity level in the operating environment; higher humidity can reduce the generation and accumulation of static. Use humidifiers or other humidity control devices to adjust the environmental humidity. Avoid Plastic or Rubber Materials: Plastic and rubber materials are prone to generate static, so try to avoid using these materials during operation. Choose materials with better anti-static properties for handling. Static Eliminators: Use static eliminators to eliminate or reduce static buildup. Static eliminators neutralize static by releasing charges, reducing the danger of static. Tank Cleaning: Regularly clean the interior of the tank to remove accumulated impurities and dirt. Be cautious to prevent the generation and accumulation of static during the cleaning process. It is important to note that the methods to avoid static should be determined based on the specific operating environment and tank characteristics. During operation, follow relevant safety regulations and standards, and consult with experts if necessary.

Common defects in carbon dioxide storage tanks during use include deformation. Here are some causes that may lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it may cause deformation. This could be due to operational errors, system failures, or other reasons. Temperature Fluctuations: Carbon dioxide storage tanks expand and contract with temperature changes, and if the temperature changes are too great or too rapid, it may lead to tank deformation. Internal Corrosion: If there is internal corrosion in the tank, it can damage the structural integrity of the tank, causing deformation. External Damage: External impacts, compressions, or other physical damages can cause tank deformation. Incorrect Installation or Use: Incorrect installation or usage methods can lead to uneven stress on the tank, resulting in deformation. Tank deformation can reduce the structural integrity of the tank and even pose risks of leakage or rupture. Therefore, it is important to regularly inspect and maintain the integrity of the tank, as well as to follow proper operational and installation procedures. If tank deformation or other defects are detected, use of the tank should be immediately stopped, and professional assistance should be sought for inspection and repair. Do not attempt to repair or continue using a defective tank yourself to ensure operational safety.
Chongjie Special Equipment upholds the great 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, contributing high-value products and services to society!