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/GB3-grade pressure pipeline installation licenses, as well as an equipment and machinery installation contracting license. It is a member of the China Boilers 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 American ASME/U2 certification.
When filling liquid carbon dioxide into storage tanks, attention should be given to the following aspects: - Safe Operation: During the filling process, it is mandatory to follow relevant safety operation procedures and standards. Operators must receive training to understand the operation requirements and safety measures of the filling equipment and operate strictly according to the procedures. - Tank Inspection: Before filling, the tank must be inspected to ensure its integrity and safety. Check the tank's appearance, sealing, valves, and pipe connections, and repair or replace them promptly if any abnormalities or damage are found. - Filling Equipment: Select appropriate filling equipment, ensuring it meets relevant standards and requirements. The filling equipment should have a safe and reliable design and operational function to ensure the safety and efficiency of the filling process. - Filling Speed Control: Controlling the filling speed is crucial. Excessive filling speed can lead to high tank pressure, increasing safety risks. The filling speed should be controlled based on the tank's capacity and design requirements to ensure safe filling. - Pressure Control: The tank's pressure must be strictly controlled during the filling process. The filling equipment should be equipped with pressure sensors and safety valves to ensure the internal pressure of the tank remains within a safe range. - Leak Protection: During the filling process, the sealing of valves and pipes must be ensured to prevent the leakage of carbon dioxide. Regularly inspect and replace seals, and promptly address any leakage situations. - Monitoring and Recording: Real-time monitoring and recording of key parameters such as pressure, temperature, and level should be conducted during the filling process. This helps to detect abnormalities in a timely manner and make corresponding adjustments and treatments. - Note that only authorized operators should handle the filling of carbon dioxide storage tanks and follow relevant safety operation procedures and standards. Seek advice and guidance from knowledgeable consultants.

In daily operation, carbon dioxide 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, and cracks. Take prompt repair measures upon discovering any anomalies. - Sealability Check: Regularly inspect the tank's sealing performance, especially at valves, pipe connections, and the tank itself. Ensure there are no leaks, and repair promptly if any are found. - Temperature Control: Maintain a suitable ambient temperature around the tank and implement insulation measures to ensure the tank's internal低温 state. - Pressure Relief Device Check: Regularly inspect the tank's pressure relief devices, such as safety valves, to ensure proper operation. Verify that the set pressure meets requirements and perform regular maintenance and replacements. - Level Monitoring: Regularly monitor the tank's liquid level to ensure accurate measurement. Take immediate action to investigate and address any abnormal levels. - Regular Cleaning: Clean the tank's interior regularly to remove accumulated impurities and dirt. Exercise safety during cleaning, avoiding flammable and corrosive substances. - Regular Testing: Conduct regular pressure tests and leak checks on the tank to ensure its safety performance meets standards. The frequency and methods of testing should adhere to relevant regulations and standards. - Storage Capacity Control: Control the tank's storage capacity to avoid exceeding the rated capacity. Exceeding the rated capacity can lead to excessive tank pressure, increasing safety risks. It should be noted that specific protection and maintenance methods may vary depending on the type of tank and its application.

Carbon dioxide storage tanks possess the following characteristics: - High-pressure Vessel: Carbon dioxide storage tanks are typically designed as high-pressure vessels capable of withstanding significant pressure. This is due to the fact that carbon dioxide requires high pressure at room temperature to maintain a liquid state. - High Oxidizing Ability: Carbon dioxide is highly oxidizing and can support combustion. Therefore, when using and storing carbon dioxide, precautions must be taken to prevent contact to avoid the risk of fire and explosion. - Low-temperature Storage: Carbon dioxide exists in a gaseous state at room temperature but can be compressed into a liquid at lower temperatures. Consequently, carbon dioxide storage tanks usually need to have excellent insulation properties to maintain the低温 liquid carbon dioxide. - High Density: Liquid carbon dioxide has a high density, allowing for the storage of large amounts of carbon dioxide in a relatively small volume. This makes carbon dioxide storage tanks useful in scenarios requiring substantial carbon dioxide supply. - Safety Valves and Pressure Control: To ensure the internal pressure of the tank remains within a safe range, carbon dioxide storage tanks are usually equipped with safety valves and pressure control devices. These devices monitor and control the tank's internal pressure to prevent excessive pressure from causing the tank to burst. - Corrosiveness: Carbon dioxide has some degree of corrosiveness, particularly in high humidity environments. Therefore, the materials and corrosion prevention measures of the tank need to consider the corrosiveness of carbon dioxide to ensure the tank's durability and safety. These characteristics make carbon dioxide storage tanks widely applicable in various industries such as food and beverage, industrial, fire suppression, and gas industries. When using carbon dioxide storage tanks, it is necessary to adhere to relevant safety operation procedures and standards to ensure operational safety.

The installation of a safety valve on a CO2 storage tank is a crucial measure to ensure the tank can safely release pressure in case of overpressure. Below are general installation steps: 1. Selecting the Appropriate Safety Valve: Choose a suitable safety valve based on the tank's design pressure and flow requirements. Ensure the rated pressure and flow of the safety valve meet the tank's specifications. 2. Installation Location: Select a proper location for the safety valve, typically on the top or side of the tank. Make sure the safety valve can easily release pressure and is not obstructed by other equipment or structures. 3. Preparations: Clean the tank surface at the installation location, ensuring no debris or dirt. Check the sealing integrity of the safety valve and connecting pipes, ensuring no damage or leaks. 4. Installing the Safety Valve: Connect the safety valve to the tank using appropriate fittings and sealing materials. Follow the installation instructions for the safety valve to ensure a secure and reliable connection to the tank. 5. Adjustment and Testing: Adjust and test the safety valve according to its specifications and requirements. Ensure the safety valve operates normally within the set pressure range and can release pressure promptly. 6. Labeling and Documentation: Label relevant information on the safety valve and tank, such as the rated pressure and flow, installation date, etc. Record the installation process and test results for future reference and maintenance. Please note that installing a CO2 storage tank safety valve must follow relevant safety operation procedures and standards. If you do not possess the necessary knowledge and experience, it is recommended to consult professionals or manufacturers for installation.
Our company attaches great importance to technological innovation and R&D design. We have 1 municipal-level enterprise technology center in Heze City, with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with 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 and technologies we have developed, such as welding for temperature and pressure vessels, emission reduction for biomass boilers, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have cumulatively obtained 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 container processing technology using the international plasma arc + wire filling argon arc welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement appraisal, the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, and let's create brilliance together!