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, with the main workshop spanning 83,000 square meters. It currently employs 710 people, 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 Department 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.
Filling a carbon dioxide tank involves injecting liquid carbon dioxide into the tank. Here are some important considerations for filling a carbon dioxide tank: Safety Operations: Adhere to relevant safety procedures when filling a carbon dioxide tank. Operators should be trained and knowledgeable about the tank's characteristics and safety precautions to ensure safe operation. Tank Capacity Control: Ensure the filling process does not exceed the tank's rated capacity. Exceeding capacity may lead to excessive tank pressure and increased safety risks. Filling Rate Control: Maintain a moderate filling rate to avoid overly fast or slow filling. Too fast can cause excessive internal pressure, while too slow may extend filling time. Temperature Control: Control the temperature of the liquid carbon dioxide during filling. High temperatures may cause rapid evaporation, and low temperatures may lead to freezing. Pressure Control: Monitor and control the internal pressure of the tank during filling. Excessive pressure can cause tank破裂 or leakage, while low pressure may result in incomplete filling. Level Monitoring: Regularly monitor the tank's level during filling to ensure accurate measurements and prevent 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 of these devices should meet relevant requirements and be regularly inspected and maintained. Environmental Protection: Pay attention to environmental protection during the filling process, preventing leakage and contamination of liquid carbon dioxide. Take appropriate protective measures, such as using sealed connections and protective devices. These are some important considerations for filling a carbon dioxide tank. When performing filling operations, follow relevant safety regulations and standards, and consult experts to ensure safety and effectiveness.

The internal structure of a carbon dioxide storage tank typically includes the following main components: - Tank Shell: The tank shell serves as the primary container for storing carbon dioxide and is usually made of carbon steel or stainless steel. It is designed to have sufficient strength and密封性 to withstand the pressure and load within the tank. - Lining Layer: To prevent direct contact between carbon dioxide and the tank shell, avoiding corrosion and contamination, the interior of the tank is usually coated with a lining layer. The lining is typically made of corrosion-resistant materials such as fiberglass or polyester resin. - Support Structure: To support the weight of the tank and maintain stability, the interior often features a support structure, which can include supports, brackets, etc., to bear the bottom and side walls of the tank. - Internal Accessories: The tank is also equipped with important accessories such as level gauges, pressure sensors, temperature sensors, and safety valves. These accessories monitor and control the liquid level, pressure, and temperature within the tank to ensure safe operation. - Pressure Relief Device: To prevent excessive internal pressure, the tank is usually fitted with a pressure relief device, such as a safety valve. When the internal pressure exceeds the set value, the relief device automatically opens to release pressure, protecting the tank's safety. - Inlet and Outlet Piping: The tank also has inlet and outlet piping for injecting and discharging carbon dioxide. These pipes are typically connected to external supply or consumption systems to facilitate the storage and use of carbon dioxide. - The above describes the general internal structure of carbon dioxide storage tanks. Specific structural design and configurations may vary based on the tank's application and specifications. When using and maintaining the tank, it is necessary to...

In daily operation, carbon dioxide storage tanks require protection and maintenance to ensure proper functioning and safety. Here are some common protection and maintenance methods: - Visual Inspection: Regularly check the tank's exterior for corrosion, wear, and cracks. Take immediate corrective actions upon discovering any anomalies. - Seal Integrity Check: Regularly inspect the tank's sealing performance, particularly at valves, pipe connections, and the tank itself. Ensure there are no leaks, and repair any leaks promptly. - Temperature Control: Maintain a suitable ambient temperature around the tank and implement appropriate insulation measures to ensure the tank's internal低温 condition. - Pressure Relief Device Inspection: Regularly check the tank's pressure relief devices, such as safety valves, to ensure they are functioning correctly. Verify that the set pressure of the relief devices meets requirements and perform regular maintenance and replacements. - Level Monitoring: Regularly monitor the tank's liquid level to ensure accurate measurements. Take immediate action to investigate and address any abnormal levels. - Regular Cleaning: Clean the tank's interior regularly to remove accumulated impurities and dirt. Exercise caution during cleaning to avoid flammable and corrosive substances. - Regular Testing: Conduct regular pressure tests and leak detection on the tank to ensure safety performance meets requirements. The frequency and methods of testing should comply with relevant regulations and standards. - Storage Capacity Control: Control the tank's storage capacity to prevent exceeding the rated capacity. Overfilling can lead to excessive pressure and increased safety risks. It is important to note that specific protection and maintenance methods may vary depending on the type of tank and its application.

Prior to using the CO2 storage tank, the following preparations must be made: - Inspect the tank: Check for any signs of damage, corrosion, or oil leakage on the tank's exterior, ensuring its structural integrity and safety. - Check valves and piping: Verify that the tank's inlet and outlet valves and piping connections are normal, without leaks or loose fittings, and ensure the valves operate smoothly and reliably. - Inspect safety accessories: Confirm that safety accessories like relief valves, pressure sensors, and temperature sensors are functioning properly and their set parameters meet requirements. - Check the level measurement system: Ensure the accuracy and reliability of the level measurement system. Calibrate the level sensors to guarantee precise level readings. - Inspect the pressure relief device: Check that the tank's pressure relief device (e.g., relief valve) is working correctly. Verify that the set pressure of the relief device meets specifications. - Check the gas quality: Ensure the CO2 gas in the tank meets quality requirements, free of impurities or contaminants. - Inspect fire protection equipment: Confirm that fire protection equipment around the tank is intact and check that extinguishers, sprinkler systems, etc., are functioning properly. - Train operators: Operators should be trained on the characteristics, operational requirements, and safety measures of the CO2 storage tank. Training should include safe operation, leak handling, and emergency procedures. - These preparations ensure the CO2 storage tank is in good condition before use, guaranteeing safety and reliability. Follow relevant safety operating procedures during preparations and have personnel conduct the operations.
Zhongjie Special Equipment adheres to the great vision of "realizing employee dreams, creating customer value, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer products and services with high cost-performance to contribute to society!