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理事 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.
For the maintenance and care of low-temperature liquid storage tanks, here are some tips and precautions: - Regular Inspections: Conduct regular checks on the tank's exterior, internal lining, valves, and pipe connections. Pay attention to signs of corrosion, cracks, or oil leaks. - Cleaning and Draining: Regularly clean the interior of the tank to remove accumulated impurities and sediments. Also, regularly drain the tank to remove liquid and gas impurities. - Corrosion Prevention: The exterior and inner lining of low-temperature liquid storage tanks should be treated with corrosion prevention measures. Regularly inspect and maintain the corrosion protection layer or coating to ensure its integrity and effectiveness. - Temperature and Pressure Control: The temperature and pressure of the low-temperature liquid storage tank should be controlled within the design limits. Avoid excessive or low temperatures and pressures that could damage the tank. - Safety Equipment Inspection: Check the tank's safety equipment, such as safety valves, pressure sensors, and temperature sensors, to ensure they are functioning properly. Verify that their set parameters meet requirements. - Maintenance of Level Measurement System: Regularly inspect and calibrate the level measurement system to ensure accuracy and reliability. Clean or replace level sensors as needed. - Fire Prevention Measures: Fire prevention measures are crucial for low-temperature liquid storage tanks. Ensure that fire protection equipment around the tank is in good condition and conduct fire drills regularly. - Regular Assessments and Monitoring: Regularly assess and monitor the tank, including structural integrity, corrosion, and safety aspects. Take appropriate maintenance and repair actions based on assessment results. - Operator Training: Operators should receive training to understand the characteristics, operational requirements, and safety measures of low-temperature liquid storage tanks. Training should include safe operation, leak handling, and emergency procedures.

Dry ice is a refrigerant created by directly converting carbon dioxide gas into a solid under high pressure. It has several applications: - Frozen Foods and Pharmaceuticals: Dry ice is widely used in the transportation and storage of frozen foods and pharmaceuticals. Its low temperature and rapid cooling rate effectively preserve the freshness and quality of food and medications. - Special Effects and Stage Performances: Dry ice is extensively used in special effects and stage performances. When it comes into contact with heat in the environment, it quickly turns into gas, producing a large amount of white smoke, creating a mysterious and dramatic atmosphere. - Cleaning and Disinfection: Dry ice can also be used for cleaning and disinfection. When in contact with surfaces, its cooling effect and the physical impact of the sublimation process effectively remove dirt, bacteria, and viruses without leaving residues. - Laboratories and Scientific Research: Dry ice is also used in laboratories and scientific research. It can be used to freeze samples, prepare low-temperature experimental environments, create cold traps and condensers, etc. It is important to note that safety must be observed when using dry ice, avoiding direct contact with skin and eyes, and not using it in enclosed spaces to prevent the accumulation of carbon dioxide and oxygen depletion.

An automated maintenance system for CO2 storage tanks typically includes the following main components: - Pressure Maintenance System: Monitors and adjusts the internal pressure of the tank to ensure CO2 remains within a safe and stable pressure range. This system includes pressure sensors, control systems, pressure regulating valves, and pressure reserve devices. - Temperature Control System: Monitors and adjusts the internal temperature of the tank to maintain CO2 within an appropriate temperature range. The system includes temperature sensors, control systems, and temperature regulating devices. - Level Monitoring System: Measures and monitors the liquid level within the tank to ensure CO2 levels are within a safe range. This system can utilize float level gauges, pressure level gauges, and ultrasonic level gauges. - Leak Detection System: Monitors for leaks in the tank and pipeline systems, detecting and alerting to issues promptly. The system can employ gas sensors, liquid sensors, and leak alarms. - Fire Detection and Extinguishing System: Monitors for fires in the tank area and takes appropriate extinguishing measures. The system includes fire detectors, alarms, and extinguishing equipment. - Remote Monitoring and Control System: Allows for remote monitoring and control of the tank's operational status and parameters, enabling remote operation and management. The system connects via network to provide real-time data and remote control features. These are the primary components of a typical automated maintenance system for CO2 storage tanks. Specific system configurations and functionalities can be customized based on the tank's design requirements and application scenarios. These automated maintenance systems enhance the tank's safety, stability, and reliability, reducing the need for manual intervention and operational risks.

The installation of a CO2 storage tank safety valve is a crucial measure to ensure the tank can safely release pressure in the event of overpressure. Below are general installation steps: 1. Selecting the appropriate safety valve: Choose a safety valve suitable for 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 suitable location for the safety valve, typically on the top or side of the tank. Ensure the safety 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 tightness of the safety valve and connecting pipeline to ensure there are no damages or leaks. 4. Installing the safety valve: Connect the safety valve to the tank using appropriate fittings and sealing materials. Follow the installation instructions of the safety valve to ensure a secure and reliable connection with the tank. 5. Adjustment and testing: Adjust and test the safety valve according to its specifications and requirements. Ensure the safety valve can operate normally within the set pressure range and can release pressure in a timely manner. 6. Identification and record-keeping: 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 CO2 storage tank safety valves must follow relevant safety operation procedures and standards. If you do not have the necessary knowledge and experience, it is recommended to consult personnel or manufacturers for installation.
Zhongjie Special Equipment adheres to the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer society high-value products and services!