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 operates seven business centers: boilers, deep-freezing containers, pressure vessels, central air conditioning, engineering installation, international trade, and the 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, with the main workshop spanning 83,000 square meters. The company currently employs 710 people, 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 named a "Specialized and New Enterprise in Shandong Province" by the Department 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.
For accessories of CO2 storage tanks, such as valves, pipes, and pressure relief devices, maintenance and protection are crucial. Here are some suggestions: Regular Inspection: Periodically check the appearance and operational status of the accessories to ensure no damage, loose parts, or leaks. Pay special attention to the sealing performance and operational flexibility of valves. Cleaning and Maintenance: Regularly clean the accessories, removing dirt and impurities on the surface. Use appropriate cleaning agents and tools, avoiding corrosive substances. Lubrication Maintenance: For accessories requiring lubrication, such as the pistons and stems of valves, perform regular lubrication maintenance. Use suitable lubricants to ensure the normal operation and sealing performance of valves. Sealing Inspection: Regularly check the sealing performance of the accessories, such as the seals and sealing surfaces of valves. Replace any damaged or worn-out seals promptly. Corrosion Protection: For accessories prone to corrosion, such as pipes and valves, take anti-corrosion measures, such as coating with anti-corrosion paint or using anti-corrosion materials for wrapping. Regular Calibration: Calibrate measuring devices such as level sensors and pressure sensors regularly to ensure their accuracy and reliability. Regular Maintenance: Develop a regular maintenance plan based on the usage and requirements of the accessories, including cleaning, lubrication, and repairs, to ensure long-term stable operation. Storage and Transportation Precautions: When storing and transporting spare or replacement accessories, be cautious of moisture, vibration, and damage to avoid affecting their normal use. The above suggestions are for the maintenance and protection of CO2 storage tank accessories. Specific operations should be carried out according to the characteristics and requirements of the accessories and in compliance with relevant regulations.

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 relevant safety procedures during carbon dioxide tank filling. Operators should be trained to understand the tank's characteristics and safety concerns to ensure safe operations. - Tank Capacity Control: Ensure that the filling process does not exceed the tank's rated capacity. Overfilling can lead to excessive pressure and increased safety risks. - Filling Rate Control: Maintain a moderate filling rate to avoid both too fast and too slow filling. Excessive speed can cause high internal pressure, while slow speed can prolong the filling time. - Temperature Control: Monitor the temperature of the liquid carbon dioxide during filling. High temperatures can cause rapid evaporation, and low temperatures can lead to solidification. - Pressure Control: Control the internal pressure of the tank during filling. Excessive pressure can cause tank rupture or leakage, while low pressure can result in incomplete filling. - Level Monitoring: Regularly monitor the tank's level 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 should meet relevant requirements and be inspected and maintained regularly. - Environmental Protection: Be mindful of environmental protection during filling to prevent leakage and contamination of liquid carbon dioxide. Use appropriate protective measures, such as sealed connections and protective devices. - The above are some precautions for carbon dioxide tank filling. Follow relevant safety regulations and standards during filling operations and consult experts to ensure safety and effectiveness.

Carbon dioxide tanks are devices used for storing carbon dioxide gas. They are typically made of high-strength materials with sealing capabilities to prevent the leakage of stored CO2. The design and capacity of the tanks can be adjusted as needed to accommodate various applications. Carbon dioxide tanks are widely used across industries, including industrial production, food processing, and more. In the industrial sector, they are commonly used to store and supply CO2 gas for processes like welding, gas shielding, and fire extinguishing. In the food processing industry, they can be used to produce carbonated beverages and frozen foods. In the medical field, they can be utilized to manufacture medical gases such as breathing gases and anesthetic gases. The development and manufacturing of carbon dioxide tanks involve multiple manufacturers and technologies. Different companies may employ various design and manufacturing processes to meet different customer requirements. Additionally, relevant safety standards and regulations must be adhered to ensure the safe operation and use of the tanks.

The reasons for regular inspections of low-temperature liquid carbon dioxide tanks are to ensure their safety performance and normal operation. Due to the low-temperature and high-pressure environment in which low-temperature liquid carbon dioxide tanks operate, there are certain safety risks, such as leaks and structural failures. Regular inspections can help identify potential issues early, allowing for appropriate repairs or maintenance to ensure safe operation. 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 intervals for regular inspections of low-temperature liquid carbon dioxide tanks range from 1 to 3 years, with specific intervals potentially varying due to factors such as usage, age, and design standards. The content of regular inspections usually includes tank exterior checks, valve and connection inspections, 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 content should be determined based on local regulations, standards, and the manufacturer's recommendations. Inspections should be performed by qualified personnel, and maintenance records should be kept to track and manage the tank's safety performance.
Shandong Zhongjie Special Equipment, welcome customers to our factory for business discussions.