Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, A2-grade pressure vessel manufacturing license, A2-grade pressure vessel design license, B-grade boiler installation license, GB2 and GC2 pressure pipeline installation licenses, and equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the council unit of the Shandong Equipment Manufacturing Association, and has passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, as well as the American ASME/U2 certification.
The reasons for not leaving a carbon dioxide tank empty for long periods are mainly as follows: 1. Safety Risks: Carbon dioxide is a high-pressure gas and must maintain a certain pressure within the tank to remain in liquid form. Releasing the carbon dioxide in the tank into the atmosphere over a long period can cause the tank's pressure to drop, potentially leading to structural failure or explosions. 2. Resource Waste: Carbon dioxide is a valuable resource with widespread applications in industry and other fields. Leaving the carbon dioxide tank empty for extended periods is wasteful and goes against the principles of sustainable development. 3. Environmental Impact: Carbon dioxide is a greenhouse gas, and long-term release into the atmosphere can increase its concentration, exacerbating climate change and environmental issues. Therefore, to ensure safety, conserve resources, and protect the environment, carbon dioxide tanks should be used and managed according to established procedures and requirements, avoiding long-term idleness. When carbon dioxide in the tank is no longer needed, appropriate disposal methods should be employed, such as recycling, reuse, or safe disposal.

Carbon dioxide storage tanks are equipment used for storing and supplying carbon dioxide gas, with the following parameters, functions, and features: Parameters: - Capacity: The capacity of carbon dioxide storage tanks can be tailored to meet requirements, typically expressed in volumes of liquid carbon dioxide, such as kiloliters or cubic meters. - Pressure: The internal pressure of the tank is usually controlled within a safe range to ensure the safety of storage and supply. - Temperature: Carbon dioxide storage tanks generally need to be maintained at low temperatures to keep the carbon dioxide in a liquid state. Functions: - Storage: Carbon dioxide storage tanks can compress carbon dioxide gas into a liquid, achieving high-density storage, saving space and costs. - Supply: Carbon dioxide within the tank can be supplied to the required fields through pipelines or other means, such as the food and beverage industry, various industries, fire extinguishing, etc. Features: - Environmental and Renewable: Carbon dioxide is an environmentally friendly gas. By storing and utilizing carbon dioxide, its emissions into the atmosphere can be reduced, promoting environmental protection and sustainable development. - Safe and Reliable: During design and manufacturing, carbon dioxide storage tanks often use high-strength materials with excellent pressure resistance and safety. The tank is equipped with safety valves, pressure gauges, and other accessories to ensure safe operation. - Multiple Application Fields: Carbon dioxide storage tanks are widely used in the food and beverage industry, various industries, fire extinguishing, and other fields. Carbon dioxide can be used as a food preservative, beverage effervescent agent, gas, fire extinguishing agent, etc., with extensive applications and market demand. In summary, carbon dioxide storage tanks have the characteristics of high-density storage, safety and reliability, environmental and renewable nature, and multiple application fields, making them an important device for storing and supplying carbon dioxide gas.

Carbon dioxide storage tanks feature the following characteristics: High-pressure storage: These tanks are commonly used for high-pressure storage and can withstand high pressure. The carbon dioxide inside the tank exists in a gaseous or liquid state, with pressure typically ranging from several tens to hundreds of MPa. High-density storage: When stored in a liquid state, carbon dioxide has a higher storage density, allowing for more carbon dioxide to be stored in a relatively smaller tank compared to gaseous storage, thus improving storage efficiency. Corrosiveness: Carbon dioxide has some degree of corrosiveness and can erode certain materials. As a result, carbon dioxide storage tanks are usually made from corrosion-resistant materials like stainless steel or alloy steel to ensure durability and safety. Temperature sensitivity: Carbon dioxide is a gas at room temperature but can condense into a liquid at lower temperatures. Therefore, carbon dioxide storage tanks typically need to have good insulation properties to maintain a低温 state inside the tank. Safety protection: The tanks are equipped with safety valves and pressure relief devices to control internal pressure and temperature, ensuring the safety of the storage process. Additionally, they must have good sealing performance to prevent leaks. Wide application: Carbon dioxide storage tanks are widely used in various industries such as food and beverage, pharmaceutical, and chemical industries. They can be used for frozen food, refrigeration equipment, gas supply, and more, 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 carbon dioxide in many industries.

Technical specifications for carbon dioxide storage tanks can be formulated based on different application fields and/or regional standards. The following are some common technical specifications and standards for reference: - ASME Standards: The American Society of Mechanical Engineers (ASME) has issued a series of standards for pressure vessels, including specifications for carbon dioxide storage tanks such as ASME BPVC Section VIII Division 1 and ASME BPVC Section VIII Division 2. - ISO Standards: The International Organization for Standardization (ISO) has released some standards related to pressure vessels, such as ISO 9809-1 and ISO 9809-2, covering design, manufacturing, and inspection requirements for steel gas cylinders. - GB Standards: The China National Bureau of Standards has issued a series of standards related to pressure vessels, such as GB 150 "Pressure Vessels" and GB 5099 "Steel Gas Cylinders," including design, manufacturing, and inspection requirements for carbon dioxide storage tanks. - DOT Standards: The United States Department of Transportation (DOT) has issued some standards related to pressure vessels and cylinders, such as DOT-3AA and DOT-4BA, covering design, manufacturing, and transportation requirements for liquefied gas storage tanks. - EN Standards: The European Committee for Standardization (CEN) has issued some standards related to pressure vessels, such as EN 13445 and EN 14382, covering design, manufacturing, and inspection requirements for liquefied gas storage tanks. - Additionally, other industry standards and specifications may apply to carbon dioxide storage tanks based on specific application needs, such as relevant standards in the food and beverage industry and industry-specific standards. When using carbon dioxide storage tanks, appropriate technical specifications should be selected based on specific application requirements and local regulatory requirements, ensuring that the tank's design, manufacturing, and use comply with the relevant standards and specifications.
Our company places great emphasis on technological innovation and research and development. We have one municipal enterprise technology center in Heze City, equipped with non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. We have over 600 types of equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. The key products and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Province key projects, and Heze City innovative and excellent projects. We have accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Li Yajiang of Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technology, which has reached international standards in the field of deep cryogenic vessel manufacturing after being appraised as a provincial-level scientific and technological achievement. Choose Zhongjie Special Equipment, and let's create brilliance together!