Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company operates 7 major business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and the Internet of Things. It has three manufacturing sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians, and 82 middle-level technicians. In December 2016, it was recognized as a "High-Tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
An automated maintenance system for carbon dioxide tanks typically includes the following main components: - Pressure Maintenance System: Monitors and adjusts the pressure inside the tank to ensure the CO2 remains within a safe and stable pressure range. This system incorporates 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 the 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 inside the tank to ensure the CO2 level stays within a safe range. This system can utilize float level gauges, pressure level gauges, and ultrasonic level gauges. - Leak Detection System: Monitors leaks in the tank and pipeline systems, detecting and alerting to them promptly. The system can employ gas sensors, liquid sensors, and leak detectors. - Fire Detection and Extinguishing System: Monitors fire conditions 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. This system can connect via network, providing real-time data and remote control features. The above are the main components of a typical automated maintenance system for carbon dioxide tanks. Specific system configurations and functionalities can be customized according to 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.

Carbon dioxide tanks are widely used in many different industries. Here are some common application industries:  Food and Beverage Industry: Carbon dioxide tanks are utilized in the food and beverage industry for the carbonation process in drinks, beer, soda, and more. Carbon dioxide is infused into the beverages to enhance their bubbles and texture.  Medical Industry: Carbon dioxide tanks are used in applications such as anesthesia, respiratory care, and first aid. Liquid carbon dioxide can be used to create refrigerants for freezing and preserving biological samples and tissues.  Fire Suppression: Carbon dioxide tanks are employed in fire suppression systems. Carbon dioxide is released at the fire scene to extinguish flames by depriving them of oxygen.  Gas Supply: Carbon dioxide tanks also supply CO2 gas for industrial and commercial use. These gases are used in applications like welding, gas shielding, semiconductor manufacturing, and water treatment.  Climate Control: Carbon dioxide tanks are used in greenhouses and indoor planting to control and increase the CO2 concentration for plant growth.  Additionally, carbon dioxide tanks can be used in other industries, such as the automotive industry (for airbag systems), and other industries (for propellants and gas supply) etc.  It's important to note that requirements and applications for carbon dioxide tanks may vary across industries. When using carbon dioxide tanks, it's crucial to comply with relevant regulations and standards, and ensure that the design, manufacture, and use of the tanks meet the necessary requirements.

When cooling CO2 storage tanks, be mindful of the following considerations and familiarize yourself with the basic steps of the cooling process: Considerations: - Safety: Pay attention to safety during the cooling process to ensure the safety of operators and the surrounding environment. Adhere to relevant safety operating procedures and standards, and use appropriate personal protective equipment. Equipment Selection: Choose the appropriate cooling equipment and tools, such as cooling mediums (e.g., liquid nitrogen), chillers, cooling systems, etc. Select the suitable cooling equipment based on the tank's size and requirements. Temperature Control: Control the temperature during the cooling process to avoid overcooling or insufficient temperature. Determine the appropriate cooling temperature range based on the tank's design requirements and operating conditions. Cooling Process Analysis: - Preparations: Ensure there are no residual gases or impurities inside the tank to avoid affecting the cooling effect. Check the tank's sealing and the operation of the safety valve. Cooling Medium Injection: Inject the cooling medium (e.g., liquid nitrogen) into the tank to lower the tank's temperature. Control the injection speed and quantity during the process to avoid over-injection leading to excessive pressure. Cooling Time: Determine the cooling time based on the tank's size and requirements. The cooling time usually needs to be long enough to ensure the CO2 inside the tank is fully cooled and liquefied. Temperature Monitoring: Regularly monitor the tank's temperature during the cooling process to ensure it remains within the appropriate range. Use temperature sensors or infrared thermometers for monitoring. Cooling Completion: Once the tank reaches the predetermined cooling requirements, the cooling process is complete. At this point, the CO2 inside the tank should be in a liquid state. It's important to note that the specific cooling process and steps may vary due to different tank designs and usage scenarios. When performing cooling operations, follow relevant safety operating procedures and standards to ensure safety and effectiveness.

When handling CO2 storage tanks, static electricity is a safety issue that requires attention. Here are some methods to avoid static electricity: Grounding: Ensure the tank and related equipment are properly grounded. Grounding releases static electricity to the ground, reducing the likelihood of static buildup. Use specialized grounding devices and cables to ensure reliable grounding. Static-Discharge Equipment: Use static-discharge equipment, such as static-resistant clothing, shoes, gloves, etc. These devices help eliminate or reduce static buildup and protect the safety of operators. Avoid Friction: Prevent friction during operation, especially when in contact with flammable or combustible gases. Friction generates static electricity, increasing the risk of fire or explosion. Control Humidity: Maintain a suitable humidity level in the operating environment; higher humidity can reduce the generation and buildup of static electricity. Use humidifiers or other humidity control devices to adjust the environmental humidity. Avoid Plastic or Rubber Materials: Plastic and rubber materials are prone to static electricity, so try to avoid using these materials during operation. Choose materials with good static-discharge properties for operation. Static Eliminators: Use static eliminators to eliminate or reduce static buildup. Static eliminators neutralize static electricity by releasing charges, reducing the danger of static. Tank Cleaning: Regularly clean the interior of the tank to remove accumulated impurities and dirt. Be mindful of preventing the generation and buildup of static electricity during cleaning. Note that the methods to avoid static electricity should be determined based on the specific operating environment and tank characteristics. During operation, follow relevant safety regulations and standards, and consult with experts as necessary.
Our company attaches great importance to technological innovation and R&D design. We have 1 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 we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat recovery, 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 accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the internationally recognized plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. This technology has been appraised as reaching international standards in the field of deep cryogenic container manufacturing at the provincial level. Choose Zhongjie Special Equipment, and let's create brilliance together!