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 license, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as 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 director unit of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the American ASME/U2 certification.
The testing and maintenance of liquid oxygen storage tanks are crucial for ensuring safe operation and extending their service life. Below is a general outline of the testing and maintenance procedures for liquid oxygen storage tanks: - Visual Inspection: Regularly inspect the exterior of the liquid oxygen storage tank for corrosion, wear, and cracks. If any abnormalities are found, promptly repair or replace them. - Internal Cleaning: Regularly clean the interior of the liquid oxygen storage tank to remove accumulated impurities and dirt. Pay attention to using appropriate cleaning agents and tools to avoid damaging the tank. - Level Measurement: Regularly measure the liquid level to ensure it remains within a safe range within the storage tank. Use a level gauge or other measuring equipment, and record the results. - Pressure Testing: Regularly conduct pressure tests to verify the tank's pressure resistance. Control the pressure and time during testing to ensure safety and accuracy. - Leak Detection: Regularly perform leak detection to ensure the tank's sealing integrity. Use leak detection instruments such as gas detectors or foam leak detection agents. - Valve and Pipeline Inspection: Regularly check the valves and pipeline connections of the liquid oxygen storage tank to ensure proper sealing and no leakage. If issues are found, promptly repair or replace them. - Maintenance Records: Keep records of the testing and maintenance activities, including inspection dates, contents, and results. These records help track the tank's maintenance history and issue resolution. - Scheduled Maintenance: Develop a regular maintenance plan based on the tank's usage and requirements. Maintenance includes lubrication, bolting, and replacing seals to ensure normal operation.

Carbon dioxide serves several key applications in carbonated beverages: - Bestowing Bubbles and Texture: Carbon dioxide is the key component responsible for creating bubbles and effervescence in carbonated drinks. When dissolved in the beverage, it forms bicarbonate ions, resulting in a foamy and bubbly texture. This texture and taste give carbonated drinks their distinctive character. - Adjusting pH Levels: Carbon dioxide reacts with water to form carbonic acid, thereby regulating the pH levels of carbonated drinks. By controlling the amount of carbon dioxide dissolved, the acidity can be adjusted to achieve a desirable taste and mouthfeel. - Providing a Refreshing Feel: The carbon dioxide bubbles in carbonated drinks can evoke a refreshing sensation. When consumed, these bubbles stimulate the taste buds on the tongue, creating a cool and tingling sensation, enhancing the beverage's taste and mouthfeel. - Extending Shelf Life: Carbon dioxide in carbonated drinks has a preservative effect. Due to its acidity and properties, it can inhibit the growth of microorganisms, extending the shelf life of carbonated drinks. - Note that excessive consumption of carbonated beverages may have adverse health effects, such as tooth erosion and osteoporosis. Therefore, moderate consumption is important.

Installation and operation of low-temperature carbon dioxide storage tanks must adhere to the following requirements: Installation Location Selection: When selecting the installation location for the tank, consider its weight and dimensions to ensure a solid and stable foundation. Additionally, keep it away from flammable and explosive materials and high-temperature sources to ensure safety. Safety Distance: Maintain a certain safety distance around the tank for routine inspections, maintenance, and emergency response. The safety distance should comply with relevant safety regulations and standards. Connecting Pipes: Use appropriate connection methods between the tank and pipes to ensure tight and reliable connections with no leaks. The connecting pipes should meet relevant standards and specifications. Pressure Relief Devices: The tank should be equipped with pressure relief devices, such as safety valves, to control internal pressure. The set pressure of the pressure relief devices should meet relevant requirements and be inspected and maintained regularly. Sealing Inspection: Regularly check the tank's sealing performance to ensure no leaks. Pay special attention to the sealing of valves, pipe connections, and the tank itself. Temperature Control: Temperature control is required for low-temperature carbon dioxide storage tanks to maintain the internal low-temperature state. Ensure the surrounding environmental temperature is suitable and take appropriate insulation measures. Safety Protection: Set up appropriate safety protection facilities around the tank, such as guardrails and warning signs, to remind personnel of safety and prevent unauthorized access. Storage Capacity Control: Control the storage capacity of the tank according to actual needs to avoid exceeding the rated capacity. Exceeding the rated capacity may cause excessive pressure in the tank, increasing safety risks. Storage

清洁低温液体储罐的过程需要谨慎操作，以确保安全性和有效性。以下是一般的清洁步骤： 安全准备：在清洁液体储罐之前，确保储罐内的液体已经完全排空，并且储罐的压力已经释放。确保所有相关的安全设备和阀门处于关闭状态。 防护措施：低温液体储罐通常存储着冷的液体，如液氮或液氧。在进行清洁操作时，必须佩戴适当的个人防护装备，如绝缘手套、、防护服等，以防止冷或其他伤害。 清洁剂选择：选择适合清洁低温液体储罐的清洁剂。清洁剂应具备良好的腐蚀性能和低温适应性。可以咨询清洁剂供应商或储罐制造商以获取建议。 清洁过程：将清洁剂注入储罐中，使用适当的工具（如喷洒器、刷子等）进行清洁。根据储罐的尺寸和污染程度，可以选择手动清洁或使用清洗设备。 冲洗和排放：清洁完成后，使用清水或其他适当的冲洗剂进行冲洗，以确保清洁剂和污物。冲洗完成后，将废水和废液排放到合适的处理系统中，遵循环境保护的相关规定。 检查和验证：清洁完成后，进行储罐的检查和验证，确保储罐内部干净、无残留物，并符合相关的安全和卫生要求。 需要注意的是，清洁低温液体储罐的具体步骤和要求可能会因不同的储罐设计和使用场景而有所差异。在进行清洁操作时，应遵循相关的安全操作规程和标准，确保操作的安全性和有效性。好咨询工程师或储罐制造商以获取具体的清洁指导。
Shandong Zhongjie Special Equipment, welcome customers to visit our factory for cooperation discussions.