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, B-grade boiler installation and GB2, GC2 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 director unit 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.
Before using a carbon dioxide cylinder, certain inspection and filling points must be addressed. Here are some common precautions: - Inspect the cylinder's exterior: Check for any obvious damage, corrosion, or leakage signs. Ensure the cylinder shell is undamaged. - Check valves and fittings: Verify that the cylinder's valves and fittings are securely fastened with no leakage. Ensure they operate normally. - Inspect the pressure gauge: Confirm that the cylinder's pressure gauge is functioning correctly and the readings are accurate. Replace or repair if abnormal. - Check the level indicator: Ensure the cylinder's level indicator is working properly and accurately displays the level. Repair or replace if abnormal. - Inspect the relief device: Check that the cylinder's relief device (e.g., safety valve) is functioning correctly and the set pressure meets requirements. Repair or replace if abnormal. - Inspect the filling equipment: Ensure the filling equipment (e.g., filling pipes, pumps) operates normally with no leakage or blockage. Confirm safety and reliability. - Filling operations: During the filling process, note the following points: - Control the filling rate, avoiding too fast or too slow. - Control the filling pressure, not exceeding the cylinder's rated pressure. - Monitor the level to ensure proper filling. - Regularly inspect the filling equipment and valves to ensure normal operation. - Safety measures: Adhere to relevant safety regulations and procedures during the filling process. Operators should wear appropriate protective gear, such as antistatic clothing, gloves, etc. - It's important to note that specific inspection and filling points may vary depending on the type of cylinder and application. Before using a carbon dioxide cylinder, check and operate according to relevant specifications and standards, and consult with experts to ensure safety and effectiveness.

The working principle of a carbon dioxide storage tank involves the compression and liquefaction of carbon dioxide. Here's a brief description of how the carbon dioxide storage tank operates: Compression: The carbon dioxide gas is first compressed to a higher pressure by a compressor. This process compresses the gas to a high-pressure state, enabling it to be converted into a liquid. Cooling: The compressed carbon dioxide gas then enters a cooler, where it is rapidly cooled by a coolant or cooling system within the cooler. This process cools the gas to temperatures below its boiling point, converting it into a liquid. Storage: The cooled carbon dioxide liquid is stored in a sealed tank, which is typically insulated to reduce the evaporation of liquid carbon dioxide and maintain low temperatures. The pressure inside the tank is maintained within a specific range to ensure stable storage of the liquid carbon dioxide. Supply: When carbon dioxide is needed, it can be extracted from the tank through valves and a piping system. By controlling the opening and flow of the valves, liquid carbon dioxide can be supplied to the required equipment or system. It should be noted that the working principle of carbon dioxide storage tanks may vary depending on the specific design and manufacturing. When using a carbon dioxide storage tank, it is essential to follow the operating manual and safety guidelines, and cooperate with local regulatory authorities and personnel to ensure the tank's safety and reliability.

Key measures to ensure the quality of CO2 storage tanks include the following aspects: 1. Selecting qualified suppliers: Choose suppliers with a good reputation and experience, ensuring their tanks meet relevant quality standards and regulations. This can be achieved by evaluating the supplier's qualifications, referring to customer reviews, and conducting on-site inspections to select suitable suppliers. 2. Strict quality control: Implement strict quality control measures during the manufacturing process of the tanks. This includes selecting and inspecting raw materials, controlling production processes, monitoring process parameters, and conducting product testing and inspections to ensure the tanks meet quality requirements. 3. Compliance with standards and regulations: The design, manufacturing, and installation of the tanks should comply with relevant standards and regulations, such as industry standards and specifications. These standards cover aspects like structural design, material selection, welding processes, corrosion prevention measures, safety valves, and the configuration of pressure sensors. 4. Regular inspections and maintenance: Tanks require regular inspections and maintenance during operation to ensure safety and reliability. This includes checking the tank's appearance, seals, valves, and pipe connections, conducting pressure tests and leak detections regularly, and promptly addressing any anomalies. 5. Establishing a quality management system: Implement a comprehensive quality management system, including quality control processes, document records, quality training, and internal audits. By establishing a quality management system, tank quality control and continuous improvement can be ensured. 6. Third-party testing and certification: Entrust third-party organizations to conduct tank testing and certification to verify quality and compliance. Third-party testing and certification bodies typically offer independence and objectivity, providing unbiased assessment and certification results. 7. By implementing these measures, the quality of CO2 storage tanks can be effectively ensured, enhancing their safety and reliability.

Carbon dioxide storage tanks offer the following advantages: High storage density: By compressing carbon dioxide gas into a liquid, storage tanks greatly enhance storage density. Compared to storing it in gaseous form, liquid carbon dioxide can be stored in a smaller tank, saving space and costs. Environmental and renewable: Carbon dioxide is an eco-friendly gas, and its increased concentration in the atmosphere contributes to warming and climate change. By storing and utilizing carbon dioxide, we can reduce its release into the atmosphere, promoting environmental protection and sustainable development. Multiple application fields: Carbon dioxide storage tanks are widely used across various industries, including food and beverage, manufacturing, fire suppression, and gas supply. Carbon dioxide serves as a preservative, carbonation agent, gas, and extinguishing agent, among other uses, with broad applications and market demand. Safety and reliability: In design and manufacturing, carbon dioxide storage tanks typically use high-strength materials (such as carbon steel or stainless steel), ensuring excellent pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level gauges, and other accessories to ensure safe operation. Additionally, carbon dioxide is a non-flammable, non-explosive gas, making it relatively safe. These advantages make carbon dioxide storage tanks a crucial storage and supply equipment, widely used in multiple industries. However, when using carbon dioxide storage tanks, it is essential to adhere to relevant safety operating procedures and standards to ensure safe operation and usage.
Our company attaches great importance to technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We have over 600 various instruments and 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 we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been included in multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence projects. We have accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. After the provincial-level scientific and technological achievement appraisal, the technical level has reached the international standard in the field of deep cryogenic vessel manufacturing. Choose Zhongjie Special Equipment, let's create brilliance together!