Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has seven business centers: boilers, deep-freezing vessels, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It operates three factory 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 engineering and technical staff 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 Department of Industry and Information Technology. In June 2022, it was named a "Gazelle Enterprise in Shandong Province" and in August 2022, it was recognized as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
The quality of CO2 storage tanks is influenced by several factors: Material Quality: The quality of the tank's material directly impacts its corrosion resistance, strength, and sealing performance. Common materials include carbon steel and stainless steel, etc. Selecting high-quality materials can enhance the tank's quality and lifespan. Manufacturing Process: The manufacturing process significantly affects the tank's quality. Welding, heat treatment, and surface treatment during production should comply with relevant standards and regulations to ensure structural integrity and performance stability. Design Specifications: The tank's design must adhere to relevant design specifications and standards, such as industry standards. A well-designed tank ensures sufficient strength and safety under normal operating conditions. Safety Components: The safety components of the tank, such as safety valves, pressure sensors, and temperature sensors, play a crucial role in the tank's quality and safety. Selecting high-quality safety components and properly installing and tuning them can improve the tank's quality and safety. Inspection and Testing: The tank must undergo inspections and tests during production, such as material inspection, weld testing, and pressure testing. These tests ensure the tank meets quality requirements and complies with safety standards. Use and Maintenance: The tank's use and maintenance also impact its quality. Proper use and regular maintenance can extend the tank's lifespan and maintain its good working condition. In summary, the quality of CO2 storage tanks is influenced by factors such as material quality, manufacturing process, design specifications, safety components, inspection and testing, and use and maintenance. When selecting and using storage tanks, attention should be paid to these factors to ensure quality and safety.

Key measures to ensure the quality of CO2 storage tanks include the following aspects: 1. Selecting qualified suppliers: Choose suppliers with a good reputation and experience, ensuring that the tanks they provide meet relevant quality standards and regulations. This can be achieved by assessing suppliers' qualifications, referring to customer reviews, and conducting on-site inspections to select suitable suppliers. 2. Strict quality control: Implement strict quality control measures during the manufacturing process of the tanks. This includes selecting and inspecting raw materials, controlling production processes, monitoring process parameters, product testing, and ensuring the tanks meet quality requirements. 3. Compliance with standards and regulations: The design, manufacturing, and installation of the tanks should comply with relevant standards and regulations, such as national standards, industry standards, etc. These standards and regulations cover aspects like structural design, material selection, welding processes, corrosion prevention measures, safety valves, and pressure sensor configurations. 4. Regular inspections and maintenance: Tanks require regular inspections and maintenance during use to ensure safety and reliability. This includes checking the tank's appearance, sealing, valves, and pipeline connections, conducting regular pressure tests and leak detections, and promptly addressing any anomalies. 5. Establishing a quality management system: Establish a comprehensive quality management system, including quality control processes, document records, quality training, and internal audits. By establishing a quality management system, tank quality control and continuous improvement can be ensured. 6. Third-party testing and certification: Delegate tank testing and certification to third-party institutions to verify the quality and compliance of the tanks. Third-party testing and certification bodies are typically independent and objective, providing impartial assessment and certification results. By implementing these measures, the quality of CO2 storage tanks can be effectively ensured, enhancing their safety and reliability.

For the maintenance and care of low-temperature liquid storage tanks, here are some tips and precautions: Regular Inspections: Conduct regular checks of the tank's exterior, internal lining, valves, and pipeline connections. Pay attention to signs of corrosion, cracks, and oil leaks. Cleaning and Draining: Regularly clean the interior of the tank to remove accumulated impurities and sediments. Also, periodically drain the liquid and gas impurities from the tank. Corrosion Protection: The outer shell and inner lining of low-temperature liquid storage tanks should be treated for corrosion resistance. Regularly inspect and maintain the integrity and effectiveness of the protective coating or paint. Temperature and Pressure Control: The temperature and pressure of the low-temperature liquid storage tank should be controlled within the design specifications. Avoid extremes of temperature and pressure that could damage the tank. Safety Equipment Checks: Inspect 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 Systems: Regularly check and calibrate the level measurement system to ensure accuracy and reliability. As needed, clean or replace level sensors. Fire Protection Measures: Fire protection measures for low-temperature liquid storage tanks are crucial. 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 conditions, and safety. Take appropriate maintenance and repair measures based on assessment results. Operator Training: Operators should receive training on the characteristics, operation requirements, and safety measures of low-temperature liquid storage tanks. Training should include safe operation procedures, leak handling, and emergency response.

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 looseness 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 requirements. Connect filling equipment: Attach the outlet pipe of the filling equipment to the tank's inlet valve. Ensure the connection is tight and there are no leaks. Open valves: Activate the corresponding valves on the filling equipment and tank to allow liquid carbon dioxide to flow into the tank. Adjust the valves as needed to control the filling speed and pressure. Monitor liquid level: Use a liquid level sensor or other level measurement device to monitor the liquid carbon dioxide level in the tank in real-time. Ensure the level is within a safe range and avoid overfilling. Filling complete: When the liquid level in the tank reaches the predetermined filling amount, close the corresponding valves on the filling equipment and 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 filling reports to relevant departments or management as required. The above is a general carbon dioxide storage tank filling process, and specific operations should be based on the tank's characteristics and requirements. When performing filling operations, follow relevant safety operating procedures and have trained professionals conduct them.
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," devoting itself wholeheartedly to the development of green energy equipment. We offer society high-value products and services!