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 technical personnel. 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 Department of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
For the maintenance and repair of CO2 storage tanks, here are some recommended methods: Regular Inspections: Regularly inspect the exterior and interior condition of the tank, checking for corrosion, cracks, and gas leaks. Non-destructive testing methods, such as ultrasonic testing, can be used to assess the tank's integrity. Cleaning and Corrosion Prevention: Regularly clean the exterior surface of the tank to remove dirt and debris. For tanks coated with corrosion-resistant paint, regularly inspect the coating's condition and repair or recoat as needed to protect against corrosion. Leak Detection: Conduct regular leak inspections to ensure there are no leaks in the tank. Use gas detectors or leak detectors for the inspection, or evaluate the tank's sealing performance through pressure tests. Safety Valve Check: Regularly inspect and test the operation of safety valves to ensure they function properly under overpressure conditions. Adjust and test according to the specifications and requirements of the safety valves. Pipe and Valve Maintenance: Regularly inspect and maintain the pipes and valves connected to the tank to ensure proper operation and sealing performance. Clean and lubricate valves, and check for leaks at pipe connections. Documentation: Record the dates, contents, and results of maintenance and repairs to establish a maintenance record for the tank. Keep relevant documents and reports for future reference and review. Note: For the maintenance and repair of CO2 storage tanks, it is recommended to follow relevant safety operation procedures and standards. If you do not have the necessary knowledge and experience, consult personnel or manufacturers for maintenance and repair work.

If a leak in the CO2 storage tank is detected, the following procedures should be taken immediately: Confirm the leak location: First, identify the exact location of the leak. This can be done through auditory detection, observation, or using gas detection equipment. Emergency response: In case of a leak, take immediate emergency measures to ensure personnel safety. Evacuate personnel to a safe area and notify relevant personnel and emergency agencies. Cut off the gas source: As soon as possible, shut off the CO2 supply source by closing valves or cutting off power to stop the supply of CO2. Locate the leak: In a safe environment, use gas detection equipment or visual inspection to find the leak. Apply soap water or other leak detection agents to potential leak areas and observe for bubbles. Seal the leaks: Once the leak location is confirmed, take temporary sealing measures using tape, sealant, or other reliable sealing materials for temporary repair. Ensure the sealing is secure and effective in preventing gas leakage. Repair and restoration: In a safe environment, carry out further repairs and restoration. Depending on the nature of the leak, it may be necessary to replace seals, repair or replace valves, etc. These repair and restoration tasks should be performed by qualified personnel. Inspection and testing: After repairs and restoration, conduct leak detection and testing to ensure the leak has been fully repaired and the tank's safety performance is restored. Note: Handling CO2 storage tank leak issues requires careful operation and adherence to relevant safety regulations and procedures. If you do not possess the necessary knowledge and skills, contact a professional for assistance.

The primary reason for pre-cooling a carbon dioxide tank before use is to ensure that the CO2 inside remains in a liquid state and maintains a stable temperature during storage and supply. The pre-cooling process typically involves several steps: Tank Cooling: Before the tank is put into service, it must be cooled to a sufficiently low temperature to convert CO2 from a gas to a liquid. This can be achieved by injecting a cooling medium (such as liquid nitrogen) into the tank or by using an external cooling unit. Tank Pre-filling: After the tank has been cooled, liquid CO2 must be pre-filled into the tank to fill it and maintain a certain pressure. The purpose of pre-filling is to provide an adequate supply of CO2 during storage and supply, and to keep the tank pressure stable. Through pre-cooling, the liquid state of the CO2 inside the tank can be ensured, preventing premature evaporation and energy loss. Additionally, pre-cooling helps to lower the tank temperature in advance, reducing CO2 evaporation and pressure fluctuations, thereby enhancing the tank's operational efficiency and safety. It should be noted that the specific methods and requirements for pre-cooling may vary depending on the tank design and application. When performing pre-cooling operations, it is essential to follow relevant safety operating procedures and standards to ensure the safety and effectiveness of the operation.

Carbon dioxide tanks are equipment used for storing and transporting CO2. They are typically sealed containers with specialized design and structure to ensure safe storage and usage of CO2. Here are some common details about carbon dioxide tanks: Storage Form: CO2 is in a gaseous state at room temperature but can be compressed into a liquid under high pressure for more efficient storage and transportation. Carbon dioxide tanks are commonly used for storing liquid CO2. Storage Pressure: Carbon dioxide tanks usually store high-pressure CO2 at around 20-25 bar. This high-pressure state helps maintain CO2 in a liquid state. Storage Capacity: The capacity of carbon dioxide tanks can vary from a few thousand liters to tens of thousands of liters depending on specific application needs. The capacity choice depends on the particular application requirements. Safety: CO2 is a colorless, odorless gas, but it can be dangerous if inhaled at high concentrations. Therefore, appropriate safety measures, such as ventilation and protective gear, must be taken when using carbon dioxide tanks to ensure the safety of operators. Applications: Carbon dioxide tanks are widely used across various industries, including food and beverage, manufacturing, firefighting, and gas supply. They are used for storing and providing CO2 to meet different business needs. It is important to note that the design, manufacturing, and use of carbon dioxide tanks must comply with relevant regulations, standards, and safety requirements. When using carbon dioxide tanks, follow the operation manual and safety guidelines, and cooperate with local regulatory bodies and personnel to ensure the tank's safety and reliability.
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