Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological 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-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 area 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 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, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Before using the 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 leakage issues. Inspect the tank's appearance, 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 ensure no substances could potentially affect the quality or safety of the CO2. Connecting Pipes: Check the connection between the tank and the associated pipes to ensure they are securely fastened and sealed. Verify the valve and pipe operating states to ensure they are in the correct position. Pressure Check: Inspect the tank's pressure to ensure it is within the safe range. If necessary, use a pressure gauge or other pressure detection equipment. Ventilation and Safety Measures: Ensure adequate ventilation around the tank to prevent the accumulation of CO2. 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 points about low-temperature CO2 storage tanks: - Tank Structure: These tanks typically feature a double-walled design, with the inner wall for liquid 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 these tanks usually ranges from -40°C to -196°C, depending on specific application requirements. Temperature control is crucial to maintain the stability and safety of the liquid CO2. - Storage Capacity: The capacity of low-temperature CO2 storage tanks can be selected based on actual needs, ranging from a few thousand to tens of thousands of liters. Capacity selection should consider storage requirements, supply frequency, and spatial limitations. - Safety Protection: These tanks require safety equipment such as pressure relief devices (e.g., safety 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 transportation to maintain the低温 state of the liquid CO2 inside. - Safe Operation: Operation of low-temperature CO2 storage tanks requires training and adherence to safety procedures. Operators should be familiar with the tank's characteristics and safety precautions to ensure safe and effective operation. - Regular Inspections and Maintenance: These tanks need regular inspections and maintenance, including visual checks, valve and pipeline inspections, and pressure relief device checks. Regular maintenance ensures proper operation and safety. The above points cover some knowledge about low-temperature CO2 storage tanks. When using and operating these tanks, it's essential to follow relevant safety regulations and standards, and consult with experts to ensure safety and effectiveness.

When using carbon dioxide tanks, the following protective procedures must be followed to ensure safety: Tank Operator Training: All operators must receive training to understand the characteristics, operational requirements, and safety measures of carbon dioxide tanks. Training should include safe tank operation, leak handling, and emergency response procedures. Safety Operating Procedures: Establish and adhere to relevant safety operating procedures, including tank start-up, shutdown, inspection, and maintenance. Operators must operate in accordance with the procedures to ensure safe tank operation. Leak Handling: Implement a leak handling program, including leak detection, emergency shutdown, and isolation of the leak source. Operators should be familiar with the leak handling procedures and able to respond quickly and correctly to leak incidents. Fire Prevention Measures: Carbon dioxide is a flammable substance; fire prevention measures must be observed during use. Smoking, open flames, or flammable materials are prohibited near the tank. Ensure that fire protection equipment is in good condition around the tank and that fire drills are conducted regularly. Waste Gas Emission: Properly discharge waste gases generated when using carbon dioxide tanks to avoid the accumulation of carbon dioxide in enclosed spaces, which can lead to asphyxiation and safety risks. Ensure the waste gas emission system is unobstructed and functioning properly. Regular Inspections and Maintenance: Regularly inspect the tank's appearance, seals, valves, and pipe connections. Promptly repair or replace any abnormalities or damages. Also, regularly inspect and maintain the tank's safety valves, pressure sensors, and other accessories. Emergency Response Plan: Develop and implement an emergency response plan, including procedures for handling leak incidents, evacuation, and first aid measures. Operators should be familiar with the emergency response plan and conduct drills regularly. Monitoring and Alarm Systems: Install and maintain monitoring and alarm systems for the tank.

Carbon dioxide storage tanks feature the following characteristics: - High-pressure Storage: Carbon dioxide storage tanks are typically used for high-pressure storage and can withstand significant pressure. The CO2 inside the tank exists in a gaseous or liquid state, with pressure usually ranging from tens to hundreds of MPa (megapascals). - High-density Storage: When stored in a liquid state, CO2 has a higher storage density. Compared to gaseous storage, liquid storage can hold more CO2 in a relatively smaller tank, enhancing storage efficiency. - Corrosiveness: Carbon dioxide has some degree of corrosiveness, which can erode certain materials. Therefore, carbon dioxide storage tanks are usually made from corrosion-resistant materials like stainless steel or alloy steel to ensure durability and safety. - Temperature Sensitivity: CO2 is in a gaseous state at room temperature but can turn into a liquid at lower temperatures. Thus, carbon dioxide storage tanks typically require good insulation to maintain a low internal temperature. - Safety Protection: Storage tanks are equipped with safety valves and pressure relief devices to control internal pressure and temperature, ensuring safety during storage. Additionally, the tanks must have excellent sealing properties to prevent leaks. - Wide Application: Carbon dioxide storage tanks are widely used in various industries such as food and beverage, pharmaceuticals, and chemical industries. They can be utilized for freezing food, refrigeration equipment, and gas supply, meeting diverse industry needs. In summary, carbon dioxide storage tanks have characteristics such as high-pressure storage, high-density storage, corrosiveness, temperature sensitivity, safety protection, and wide application. These features make them essential equipment for storing and using CO2 in many industries.
ZJ Special Equipment adheres to the great vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," wholeheartedly devoting itself to the development of green energy equipment. We offer the society high-quality products and services at competitive prices!