Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, a B-grade boiler installation license, and GB2/Class and GC2/Class pressure pipeline installation licenses, as well as a mechanical and electrical equipment installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the council member of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
Carbon dioxide storage tanks offer several advantages: - High storage density: These tanks can compress carbon dioxide gas into a liquid state, significantly increasing storage density. Compared to storing it as a gas, liquid carbon dioxide can be stored in smaller tanks, saving space and costs. - Various applications: Carbon dioxide storage tanks are widely used in multiple fields, including the food and beverage industry, manufacturing, fire suppression, and gas supply. Carbon dioxide serves as a preservative, effervescent agent in beverages, gas, and fire extinguisher, with extensive applications and market demand. - Environmental and renewable: Carbon dioxide is an environmentally friendly gas, and its increased concentration in the atmosphere can lead to warming and climate change. By storing and utilizing carbon dioxide, we can reduce its emissions into the atmosphere, promoting environmental protection and sustainable development. - Safe and reliable: During design and manufacturing, carbon dioxide storage tanks are typically made from high-strength materials (such as carbon steel or stainless steel), offering excellent pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level indicators, and other accessories to ensure safe operation. Moreover, carbon dioxide is non-flammable and non-explosive, making it relatively safe. - Supply: Carbon dioxide storage tanks provide a stable supply of carbon dioxide. Through tank design and control systems, accurate measurement and supply of carbon dioxide can be achieved, meeting the needs of various industries and applications. These advantages make carbon dioxide storage tanks a crucial storage and supply equipment, widely used across multiple industries. However, it is still necessary to follow relevant safety operation procedures and standards when using carbon dioxide storage tanks to ensure safe operation and use.

Carbon dioxide storage tanks are categorized into various types and structures based on their design and usage: - Vertical Tanks: Commonly used carbon dioxide storage tanks, these are cylindrical in shape and placed vertically. They typically have larger capacities and are used for large-scale storage and supply. - Horizontal Tanks: Another common type, these tanks are rectangular or cylindrical and placed horizontally. They are generally used for smaller-scale storage and supply, suitable for limited spaces. - Spherical Tanks: A specialized type of carbon dioxide storage tank with a spherical shape. They offer high strength and pressure containment, suitable for high-pressure storage and transport. - Vertical Tanks (Smaller Capacity): These tanks are cylindrical and placed vertically, with smaller capacities. They are used for small-scale storage and supply, such as commercial and residential use. - Underground Tanks: A unique structure where the carbon dioxide storage tank is buried underground. They save space, reduce visual impact, and offer enhanced safety and environmental protection. These tanks are usually constructed from pressure-resistant materials (like carbon steel or stainless steel) with certain thermal insulation properties and accessories such as safety valves, pressure gauges, and level indicators. The interior often features baffles or partitions to separate different liquids or gases. Additionally, the tanks are equipped with safety systems, including pressure maintenance systems, leak detection systems, and fire detection systems.

Chongjie Special Equipment Co., Ltd. is a company engaged in the manufacturing of low-temperature liquid storage tanks, offering design, manufacturing, and installation services for low-temperature liquid carbon dioxide storage tanks. Below is an overview of the low-temperature liquid carbon dioxide storage tanks produced by Chongjie Special Equipment: Tank Type: The low-temperature liquid carbon dioxide storage tanks manufactured by Chongjie Special Equipment are typically vertical or horizontal in design, chosen based on customer requirements and site conditions. Material: The tanks are primarily made from low-temperature steel, known for its excellent corrosion and low-temperature resistance. Insulation Layer: The tanks are internally insulated to reduce heat transfer and liquid evaporation. The insulation layer usually consists of multi-layer structures, including thermal insulation materials and an external protective layer. Safety Valves and Pressure Relief Devices: The tanks are equipped with safety valves and pressure relief devices to control internal pressure and prevent overpressure and explosion. Liquid Level Gauges: Liquid level gauges are installed on the tanks to monitor internal liquid levels, ensuring the control and management of liquid storage volume. Safety Measures: Chongjie Special Equipment's low-temperature liquid carbon dioxide storage tanks comply with relevant safety specifications and standards, employing various safety measures such as fire and explosion prevention, leakage detection, and alarm systems. Customized Design: According to customer needs and application scenarios, Chongjie Special Equipment can provide customized design and manufacturing services to meet the specific requirements of different customers.

Here are some common protection techniques for carbon dioxide storage tanks: Fire and Explosion Prevention Measures: A fire-resistant buffer zone should be set up around the tank, away from fire sources and flammable materials. The tank itself should implement fire and explosion prevention measures, such as fire-resistant coatings and explosion-proof devices, to prevent fires and explosions. Leak Detection and Alarm Systems: The tank should be equipped with leak detection and alarm systems to promptly detect and alert of any leaks. Regularly inspect and maintain the leak detection equipment to ensure proper functioning. Regular Inspections and Maintenance: Regularly inspect the tank's exterior, valves, fittings, etc., to ensure they are intact. Conduct regular leak detection and pressure tests to ensure the tank's safety performance meets requirements. Waste Gas Treatment: Treat the waste gases produced by the carbon dioxide storage tank to prevent environmental pollution. Implement appropriate waste gas treatment measures, such as collecting and treating waste gases. Static Electricity Protection: Take static electricity protection measures to avoid static accumulation and discharge. Use anti-static equipment and tools to ensure static safety during operations. Safety Training and Awareness: Train operators on safety procedures to enhance their awareness and ability to handle carbon dioxide storage tanks safely. Conduct regular safety training and drills to prepare for emergencies. Management Records and Documentation: Establish comprehensive management records and documentation, including the tank's usage, inspection, and maintenance records. Regularly review and update management records to ensure safe management and maintenance of the tank. It should be noted that the above are common protection techniques, and specific techniques may vary depending on the type and application of the tank. When using carbon dioxide storage tanks, operate according to relevant regulations and standards and consult with experts to ensure safety and effectiveness.
Chungjet adheres to the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," wholeheartedly commits to the development of green energy equipment, and dedicates high-quality, cost-effective products and services to society!