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 GC2 pressure pipeline installation licenses, as well as an equipment and machinery installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a council member of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the U.S. 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 be kept under pressure within the tank to maintain its liquid state. Long-term release of carbon dioxide from the tank into the atmosphere can lead to a drop in tank pressure, potentially causing structural failure or explosions, posing safety risks. 2. Resource Waste: Carbon dioxide is a valuable resource with wide applications in industry and other sectors. Long-term idling of a carbon dioxide tank results in resource waste, which is not in line with sustainable development principles. 3. Environmental Impact: Carbon dioxide is a greenhouse gas, and long-term emptying of the tank increases atmospheric CO2 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 idling. When carbon dioxide in the tank is no longer needed, appropriate disposal methods should be employed, such as recycling, reuse, or safe discharge.

In daily operation, CO2 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, cracks, and other issues. Take immediate repair actions upon discovering anomalies. - Sealing Integrity Check: Regularly inspect the tank's sealing performance, particularly at valves, pipe connections, and the tank itself. Ensure no leaks are present; 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. In case of abnormal levels, promptly investigate the cause and take appropriate actions. - Regular Cleaning: Regularly clean the interior of the tank to remove accumulated impurities and dirt. Pay attention to safety during cleaning and avoid using flammable and corrosive substances. - Regular Testing: Regularly conduct 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 storage capacity of the tank to avoid exceeding the rated capacity. Exceeding the rated capacity can lead to excessive tank pressure and increase safety risks. Note that specific protection and maintenance methods may vary depending on the type of tank and its application.

The internal structure of a carbon dioxide storage tank typically includes the following main components: - Tank Shell: The tank shell is the primary container for storing carbon dioxide, usually made of carbon steel or stainless steel. It is designed with sufficient strength and sealing to withstand internal pressure and loads. - 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. This lining is typically made of corrosion-resistant materials such as fiberglass or polyester resins. - Support Structure: To support the tank's weight and maintain stability, the interior often features a support structure, such as support legs or frames, to bear the bottom and side walls of the tank. - Internal Accessories: The tank is also equipped with essential accessories, including level gauges, pressure sensors, temperature sensors, and safety valves. These accessories monitor and control the liquid level, pressure, and temperature inside 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 Pipes: The tank also has inlet and outlet pipes 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 a carbon dioxide storage tank. Specific structural design and configurations may vary depending on the tank's purpose and specifications. When using and maintaining the tank, it is necessary to...

Detailed parameters of CO2 storage tanks can vary based on specific design and usage requirements. Here are some common parameters of CO2 storage tanks: - Capacity: The capacity of CO2 storage tanks can vary to meet requirements, ranging commonly from a few thousand to tens of thousands of liters. - Pressure: The design working pressure of CO2 storage tanks typically falls between 15-25 MPa (megapascals), with the specific pressure depending on the application scenario and requirements. - Material: CO2 storage tanks are usually made of high-strength materials such as carbon steel or stainless steel, with material selection based on the storage environment and requirements. - Dimensions: The physical dimensions of CO2 storage tanks also vary depending on capacity and design. Common shapes include cylindrical, spherical, or cuboidal. - Level Control: CO2 storage tanks often come equipped with level control systems to monitor and control the liquid CO2 level, typically including level sensors and control valves. - Pressure Control: Internal pressure control systems are commonly installed in CO2 storage tanks to monitor and control the internal gas pressure, usually with pressure sensors and safety valves. It's important to note that specific parameters of CO2 storage tanks may differ based on manufacturers, application scenarios, and standards. When selecting and using CO2 storage tanks, it is essential to follow relevant safety operating procedures and guidelines, and consult experts to obtain accurate parameter information.
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