Shandong Zhongjie Special Equipment Co., Ltd. (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 the 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 area at 83,000 square meters. Currently, it employs 710 staff, including 247 engineers and technicians and 82 intermediate-level technical personnel. 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 Industrial and Information Technology Department. 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.
The cooling process for carbon dioxide storage tanks can vary based on specific application needs and design. Below is an example of a general cooling process for carbon dioxide storage tanks:  Initial Cooling: Upon entering the storage tank, carbon dioxide is typically subjected to initial cooling to reduce its temperature. This can be achieved by passing the carbon dioxide through a condenser or cooler. The cooling medium can be chilled water or refrigerant.  Tank Cooling: After carbon dioxide enters the storage tank, it is necessary to continue cooling the tank itself to maintain the liquid state of the carbon dioxide. This can be accomplished by installing coolers or cooling pipes externally and circulating the cooling medium (such as chilled water or refrigerant).  Temperature Control: During the tank cooling process, the temperature within the tank must be controlled to ensure carbon dioxide remains within an appropriate temperature range. This can be achieved through temperature sensors and control systems that automatically adjust based on set temperature ranges.  Insulation: To reduce heat transfer and energy loss, the tanks are often insulated. This can be done by setting up insulating materials (such as polyurethane foam or glass wool) externally to minimize heat conduction.  Regular Inspections and Maintenance: In the cooling process of storage tanks, regular inspections and maintenance of cooling equipment and insulating materials are required to ensure proper operation and effectiveness. This includes cleaning coolers and checking the integrity and effectiveness of insulating materials.  It should be noted that the specific cooling process for carbon dioxide storage tanks may vary due to different application scenarios and process requirements. In practice, process design and operation should be based on specific circumstances to ensure the safety and performance of the tanks. Consult an engineer or storage specialist for more information.

The reasons for not leaving a carbon dioxide tank idle for extended periods are mainly as follows: 1. Safety Risks: Carbon dioxide is a high-pressure gas that must be maintained at a certain pressure within the tank to remain in liquid form. Releasing the carbon dioxide in the tank into the atmosphere over a long period can lead to a decrease in tank pressure, potentially causing structural failure or explosions, among other safety hazards. 2. Resource Waste: Carbon dioxide is a valuable resource with wide applications in industry and other sectors. Leaving the carbon dioxide tank idle for extended periods is a waste of resources and goes against the principles of sustainable development. 3. Environmental Impact: Carbon dioxide is a greenhouse gas, and releasing it into the atmosphere over a long period can increase the concentration of CO2 in the atmosphere, exacerbating climate change and environmental issues. Therefore, to ensure safety, conserve resources, and protect the environment, carbon dioxide tanks should be used and managed according to established procedures and requirements, avoiding extended idleness. When carbon dioxide in the tank is no longer needed, appropriate disposal methods should be employed, such as recycling, reuse, or safe disposal.

The filling process for carbon dioxide tanks typically includes the following steps: Preparation: Ensure that both 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 connection pipes and valves for loose fittings or leaks. Prepare liquid carbon dioxide: Extract liquid carbon dioxide from the 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 filling equipment: Attach the outlet pipe of the filling equipment 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 from the equipment into the tank. Adjust the valves as needed to control the filling speed and pressure. Monitor level: Use level sensors or other level-measuring devices to monitor the liquid carbon dioxide level in the tank in real-time. Ensure the level stays within the safe range and avoid over-filling. Filling complete: Once the tank's level reaches the predetermined filling quantity, close the valves on the filling equipment and the tank, and 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 residual liquid carbon dioxide around the filling equipment and tank. Documentation and reporting: Record the relevant information of the filling process, including the filling date, quantity, and level monitoring results. If necessary, submit the filling report to the relevant departments or management personnel. The above is a general procedure for filling carbon dioxide tanks. Specific operations should be based on the tank's characteristics and requirements. When performing filling operations, follow the relevant safety operation procedures, and have them conducted by trained professionals.

Here are some common protective techniques for carbon dioxide storage tanks: Fire and Explosion Prevention Measures: A fire-resistant buffer zone should be set up around the tank, away from fire sources and flammable materials. The tank itself should adopt fire and explosion prevention measures, such as fire-resistant coatings and explosion-proof devices, to prevent fires and explosions. Leak Detection and Alarm Systems: The tank should be equipped with leak detection and alarm systems to promptly detect and alert of any leakage. Regularly inspect and maintain the leak detection equipment to ensure proper functioning. Regular Inspections and Maintenance: Regularly check the tank's appearance, valves, and fittings to ensure they are intact. Conduct regular leak detection and pressure tests to ensure the tank's safety performance meets requirements. Waste Gas Treatment: Treat the waste gases produced by the carbon dioxide storage tank to prevent environmental pollution. Implement appropriate waste gas treatment measures, such as collecting and treating the waste gases. Static Electricity Protection: Take static electricity protection measures to avoid static buildup and discharge. Use anti-static equipment and tools to ensure static safety during operations. Safety Training and Awareness: Provide safety training for operators to enhance their awareness and ability to handle carbon dioxide storage tanks safely. Conduct regular safety training and drills to prepare for emergencies. Management Records and Documentation: Establish comprehensive management records and documentation, including the tank's usage, inspection, and maintenance records. Regularly review and update management records to ensure safe management and maintenance of the tank. It should be noted that the above are common protective techniques, and specific techniques may vary depending on the type and application of the tank. When using carbon dioxide storage tanks, operate according to relevant specifications and standards and consult with experts to ensure safety and effectiveness.
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," focusing solely on the development of green energy equipment. We dedicate products and services with high cost-performance to society!