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: boiler, deep-freezing container, pressure vessel, 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 area of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 staff, 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 Ministry 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.
Carbon dioxide storage tanks' standard specifications can vary depending on design and application requirements. Here are some common standard parameters: - Tank Capacity: The capacity of carbon dioxide storage tanks is typically expressed in kiloliters (L) or cubic meters (m), ranging commonly from a few thousand to tens of thousands of liters. - Working Pressure: The working pressure of carbon dioxide storage tanks is usually around 20 to 25 MPa at room temperature, with the specific pressure determined by application needs and design standards. - Design Temperature: The design temperature of carbon dioxide storage tanks is generally in the low-temperature range, typically between -40℃ to -60℃, to accommodate the liquefaction and storage requirements of carbon dioxide. - Material: Carbon dioxide storage tanks are usually made of high-strength steel or alloy materials to withstand the stress and load under high pressure and low-temperature conditions. - Insulation: The tank is internally insulated to reduce heat transfer and liquid evaporation. The insulation is typically a multi-layer structure, including thermal insulation materials and an external protective layer. - Safety Valve and Pressure Relief Devices: The tank is equipped with a safety valve and pressure relief devices to control internal tank pressure and prevent overpressure and explosion. - Level Monitoring and Control: The tank is fitted with level monitoring equipment to monitor the liquid level inside. Timely monitoring and control of the level ensure the liquid storage is within a safe range. Note that specific standard parameters for carbon dioxide storage tanks may vary due to different design standards, application requirements, and manufacturers. When selecting and using carbon dioxide storage tanks, it is important to consider these factors.

There are several types of carbon dioxide storage tanks: Atmospheric Storage Tanks: These are containers used to store carbon dioxide at pressures close to atmospheric pressure. They are suitable for low-pressure applications such as the beverage industry and gas fire suppression systems. High-Pressure Storage Tanks: High-pressure storage tanks store carbon dioxide at pressures above atmospheric pressure and are commonly used in industrial sectors like chemical processing and refrigeration. Liquid Storage Tanks: Liquid storage tanks are designed for storing liquid carbon dioxide at temperatures below room temperature. They are typically used for large-scale liquid carbon dioxide storage needs, such as food freezing and pharmaceutical manufacturing. Vapor Storage Tanks: Vapor storage tanks are for storing gaseous carbon dioxide and are designed for temperatures and pressures suitable for vaporization. They are commonly used in applications requiring the vaporization of liquid carbon dioxide, such as carbonation in beverages and welding. Insulated Storage Tanks: Insulated storage tanks have excellent thermal insulation properties and are used to reduce heat transfer and liquid evaporation. They are often used for long-term storage of liquid carbon dioxide, such as in scientific research and refrigeration. The appropriate type of carbon dioxide storage tank should be selected based on specific application requirements and scenarios, and operations and management should adhere to relevant regulations and standards.

Prior to using a CO2 storage tank, the following preparations must be made: Safety Inspection: Conduct a safety check on the tank before use to ensure there are no visible damages, corrosion, or leaks. Inspect the tank's exterior, valves, and connecting pipes to ensure they are intact. Tank Cleaning: Ensure the tank is clean both internally and externally. Remove any debris, dirt, and residues to prevent any substances that could affect the quality and safety of the CO2 from being present inside. Connecting Pipes: Check the connection between the tank and related pipes to ensure they are securely and tightly sealed. Verify the valve and pipe switch positions to ensure they are in the correct location. Pressure Check: Inspect the tank's pressure to ensure it's within the safe range. If necessary, use a pressure gauge or other pressure detection equipment for the check. Ventilation and Safety Measures: Ensure there is adequate ventilation around the tank to prevent CO2 accumulation. During operation, follow relevant safety procedures and measures, such as wearing personal protective equipment and avoiding open flames. Tank Labeling: Label the tank with relevant information such as the type of gas stored, pressure rating, and capacity. This assists operators in correctly identifying and handling the tank. Note that these preparations may vary depending on the type of tank and usage scenario. Before using a CO2 storage tank, it is recommended to refer to the relevant safety operation manuals and guidelines to ensure safe and correct operation.

Low-temperature CO2 storage tanks are equipment used for storing and transporting low-temperature liquid CO2. Here are some key facts about low-temperature CO2 storage tanks: Tank Structure: These tanks typically feature a double-walled design, with the inner wall for CO2 storage and the outer wall for insulation. The interior is usually made of stainless steel or aluminum alloy, offering excellent corrosion resistance. Storage Temperature: The storage temperature for low-temperature CO2 tanks usually ranges from -40°C to -196°C, depending on specific application requirements. Temperature control is crucial for maintaining the stability and safety of the liquid CO2. Storage Capacity: The capacity of low-temperature CO2 storage tanks can be chosen based on actual needs, ranging from a few thousand to several tens of thousands of liters. The tank's capacity should consider storage requirements, supply frequency, and space limitations. Safety Protection: These tanks require safety protection devices such as pressure relief valves, pressure sensors, and temperature sensors to ensure internal pressure and temperature remain within safe limits. Transportation: Low-temperature CO2 storage tanks can be transported via road, rail, or ship. Proper insulation measures must be taken during transport to maintain the低温 state of the liquid CO2 within the tank. Safe Operation: Operation of low-temperature CO2 storage tanks requires training and adherence to relevant safety procedures. Operators should be familiar with the tank's characteristics and safety precautions to ensure safe and effective operation. Regular Inspection and Maintenance: Regular checks and maintenance are necessary for low-temperature CO2 storage tanks, including visual inspections, valve and pipeline checks, and pressure relief device checks. Regular maintenance ensures the tank's normal operation and safety. The above are some facts about low-temperature CO2 storage tanks. When using and operating these tanks, follow relevant safety specifications and standards, and consult with experts to ensure safety and effectiveness.
ZJ Special Equipment adheres to the great vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," focusing solely on the development of green energy equipment. We dedicate high-value products and services to society!