Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation deep-freeze pressure vessels such as LNG tanks, oxygen-nitrogen-argon tanks, and CO2 tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and HVAC equipment like ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale thermal energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
Common defects that may occur in the process of using carbon dioxide storage tanks include deformation. Here are some reasons that could lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it may deform. This could be due to operational errors, system failures, or other causes. Temperature Fluctuations: Carbon dioxide tanks expand and contract with temperature changes, and if the temperature changes are too extreme or rapid, it may cause deformation. Internal Corrosion: If there is internal corrosion in the tank, it can damage the structural integrity and lead to deformation. External Damage: External impacts, compressions, or other physical damages can cause tank deformation. Incorrect Installation or Use: Improper installation or usage can lead to uneven stress on the tank, resulting in deformation. Tank deformation can reduce the structural integrity of the tank and even pose risks of leakage or rupture. Therefore, it is important to regularly inspect and maintain the integrity of the tank and follow correct operational and installation procedures. If tank deformation or other defects are detected, stop using the tank immediately and seek professional assistance for inspection and repair. Do not attempt to repair or continue using a defective tank to ensure operational safety.

The installation of a safety valve on a CO2 storage tank is crucial for safely releasing pressure in case of overpressure. Below are general installation steps: 1. Select the appropriate safety valve: Choose a safety valve that meets the design pressure and flow requirements of the tank. Ensure the rated pressure and flow of the safety valve comply with the tank's specifications. 2. Installation location: Choose a suitable location for the safety valve, typically on the top or side of the tank. Ensure the valve can discharge pressure smoothly and is not obstructed by other equipment or structures. 3. Preparations: Clean the tank surface at the installation location to ensure there are no debris or dirt. Check the sealing integrity of the safety valve and connecting pipes, ensuring there are no damages or leaks. 4. Install the safety valve: Connect the safety valve to the tank using appropriate fasteners and sealing materials. Follow the installation instructions for the safety valve to ensure a secure and reliable connection. 5. Adjust and test: Adjust and test the safety valve according to its specifications and requirements. Ensure the valve operates normally within the set pressure range and can release pressure in a timely manner. 6. Identification and record: Mark relevant information on the safety valve and tank, such as the rated pressure and flow of the safety valve, installation date, etc. Record the installation process and test results for future reference and maintenance. Please note that the installation of a CO2 storage tank safety valve must follow relevant safety operating procedures and standards. If you lack the necessary knowledge and experience, it is recommended to consult professionals or manufacturers for installation.

Carbon dioxide is widely used in the field of food freezing. The following are some common applications of carbon dioxide in food freezing: 1. Freezing Food Processing: Carbon dioxide is often used in the processing of frozen foods. By exposing the food to liquid carbon dioxide, the temperature can be rapidly reduced, achieving quick freezing. This quick freezing effectively preserves the quality, texture, and nutritional content of the food. 2. Freezing Storage: Carbon dioxide is also used in the freezing storage of food. During the freezing storage process, the food is placed in a low-temperature environment, where the freezing effect of carbon dioxide lowers the food's temperature below the freezing point, thereby extending the shelf life of the food. 3. Freezing Transportation: Carbon dioxide plays a crucial role in food freezing transportation. By using carbon dioxide freezing technology during transportation, the low-temperature state of the food can be maintained, preventing quality loss. 4. Freezing Display: In the retail food industry, carbon dioxide is also used in frozen display cabinets. By injecting carbon dioxide gas into the display cabinet, the low-temperature state of the food can be maintained, showcasing the food while preserving its freshness and quality. Compared to traditional freezing techniques, carbon dioxide freezing has some advantages, such as faster freezing speed, better freezing effect, and minimal impact on food quality. However, it is important to note that safety operations must be followed when using carbon dioxide freezing technology to avoid leaks and harm to humans. Therefore, when using carbon dioxide for food freezing, relevant safety operation procedures and guidelines should be followed.

二氧化碳储罐在使用过程中可能会遇到一些常见问题，需要进行维修和处理。以下是一些常见的问题和相应的维修方法： 泄漏问题：储罐可能出现泄漏，导致二氧化碳的损失和安全隐患。维修方法包括检查和更换密封件、修复或更换泄漏的管道和阀门等。 腐蚀问题：储罐的外壁和内壁可能会受到腐蚀，影响储罐的结构和安全性。维修方法包括清洗和修复腐蚀部位，涂覆防腐涂层，或者更换受损的部件。 压力问题：储罐的压力可能出现异常，过高或过低，影响储罐的正常运行。维修方法包括检查和调整压力控制系统，修复或更换压力传感器、安全阀等。 温度问题：储罐的温度可能出现异常，过高或过低，影响二氧化碳的储存和使用。维修方法包括检查和调整温度控制系统，修复或更换温度传感器、冷却设备等。 控制系统问题：储罐的控制系统可能出现故障，导致无常控制和监测储罐的运行状态。维修方法包括检查和修复控制系统的电气元件、传感器、仪表等。 需要注意的是，对于二氧化碳储罐的维修和处理，应由的技术人员进行操作，并遵循相关的安全操作规程和标准。在维修过程中，应确保储罐的安全性和稳定性，以及维修过程的安全性。好咨询工程师或储罐制造商的建议和指导。
Our company attaches great importance to technological innovation and research and development. We have one municipal-level 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 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, etc. The key products and technologies we have developed, such as welding of temperature and pressure vessels, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have cumulatively obtained 27 authorized utility model patents, 16 authorized invention patents, 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 + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. After the 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!