Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Development Zone, Heze City, with a registered capital of 50 million yuan and total assets of 500 million yuan. The company has 7 business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total 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 intermediate-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, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
In daily use, CO2 cylinders require protection and maintenance to ensure proper operation and safety. Here are some common protection and maintenance methods: - **Visual Inspection:** Regularly check the cylinder's exterior for signs of corrosion, wear, or cracks. If any abnormalities are found, take prompt repair measures. - **Sealing Integrity Check:** Periodically inspect the cylinder's sealing performance, especially at valves, pipe connections, and the cylinder itself. Ensure no leaks, and repair any that occur promptly. - **Temperature Control:** Maintain a suitable environmental temperature around the cylinder and implement appropriate insulation measures to ensure the cylinder's interior remains at a low temperature. - **Relief Device Inspection:** Regularly check the cylinder's relief devices, such as safety valves, to ensure they function correctly. Verify that the set pressure of the relief devices meets requirements and perform regular maintenance and replacements. - **Level Monitoring:** Regularly monitor the cylinder's liquid level to ensure accurate measurements. If an abnormal level is detected, investigate the cause and take appropriate actions promptly. - **Regular Cleaning:** Clean the cylinder's interior regularly to remove accumulated debris and dirt. Pay attention to safety during cleaning and avoid using flammable or corrosive substances. - **Regular Testing:** Conduct regular pressure testing and leak detection on the cylinder to ensure it meets safety requirements. The frequency and methods should comply with relevant regulations and standards. - **Storage Capacity Control:** Control the cylinder's storage capacity to avoid exceeding the rated capacity. Overfilling can lead to excessive pressure and increase safety risks. Note: Specific protection and maintenance methods may vary depending on the type of cylinder and application.

Common defects in CO2 storage tanks during use may include deformation. Here are some causes that could lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it may cause deformation. This could be due to operational errors, system failures, or other reasons. Temperature Fluctuations: CO2 storage tanks undergo thermal expansion and contraction under temperature changes. If the temperature fluctuations are too great or too rapid, it may result in tank deformation. Internal Corrosion: If there is internal corrosion in the tank, it can damage the structural integrity of the tank, leading to deformation. External Damage: External impacts, compressions, or other physical damages can cause tank deformation. Incorrect Installation or Use: Incorrect installation or usage methods may lead to uneven stress on the tank, causing deformation. Tank deformation may 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, as well as to follow proper operational and installation procedures. If tank deformation is detected or other defects are suspected, the tank should be immediately stopped from use and professional assistance should be sought for inspection and repair. Do not attempt to repair or continue using a defective tank to ensure operational safety.

The filling process for carbon dioxide storage tanks typically includes the following steps: Preparation: Ensure the tank and filling equipment are in good working condition. Inspect the tank's appearance and valves for any damage or leaks. Check the filling equipment's connecting pipes and valves for loose fittings or leaks. Prepare liquid carbon dioxide: Extract liquid carbon dioxide from the supply source and transfer it to the tank of the filling equipment. Ensure the quality and purity of the liquid carbon dioxide meet the required standards. Connect the filling equipment: Link the filling equipment's outlet pipes to the tank's inlet valve. Ensure the connections are secure and there are no leaks. Open valves: Activate the corresponding valves on the filling equipment and the tank to allow liquid carbon dioxide to flow into the tank. Adjust the valves as needed to control the filling speed and pressure. Monitor the liquid level: Use a liquid level sensor or other level measurement equipment to continuously monitor the liquid level of carbon dioxide in the tank. Ensure the level remains within a safe range and avoid overfilling. Filling complete: Once the liquid level in the tank reaches the predetermined filling amount, close the corresponding valves on the filling equipment and the tank to stop the filling of liquid carbon dioxide. Inspection and cleaning: Check the valves and pipe connections during the filling process for leaks. Clean up any remaining liquid carbon dioxide around the filling equipment and tank. Documentation and reporting: Record relevant information about the filling process, including the filling date, amount, and level monitoring results. Submit the filling report to relevant departments or management as required. The above is a general process for filling carbon dioxide storage tanks. Specific operations should be tailored to the tank's characteristics and requirements. When performing filling operations, follow relevant safety operating procedures and have trained professionals handle the task.

To maintain the stability of CO2 storage tanks, attention should be given to the following details:  - Foundation Design: The tank's foundation design must comply with relevant standards and regulations, ensuring adequate strength and stability. The foundation should consider the tank's weight, pressure, and geological conditions to ensure the tank is securely placed on the foundation.  - Cushioning and Fastening Devices: Appropriate cushioning, such as rubber pads or steel plates, should be placed between the tank and the foundation to reduce friction and vibration. Additionally, use fastening devices like bolts or welding to secure the tank to the foundation, preventing movement and tilting.  - Site Leveling: The site for tank installation should be kept level, without any significant tilting or unevenness. If there are tilting or uneven areas, adjustments and corrections should be made to ensure the tank's stability.  - Seismic Measures: In regions prone to earthquakes, additional seismic measures are required, such as installing seismic supports and enhancing the tank's seismic resistance to improve stability.  - Regular Inspections: Conduct regular inspections of the tank's fastening devices and connection points to ensure they are intact. Any loose, worn, or damaged conditions should be repaired or replaced promptly.  - Load Distribution: Uniformly distribute loads above the tank, such as platforms or pipelines, to balance the weight distribution of the tank and reduce the impact of uneven loads on stability.  - Safety Distance: The tank should maintain a sufficient safety distance from other equipment, buildings, and fire sources to prevent accidental collisions or fires from affecting the tank's stability.  It is important to note that the installation of CO2 storage tanks...
Zhongjie Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," wholeheartedly devoting itself to the development of green energy equipment industry, offering the society products and services with high performance and cost-effectiveness!