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.
For accessories of carbon dioxide storage tanks, such as valves, pipes, and pressure relief devices, maintenance and protection are crucial. Here are some suggestions: Regular Inspections: Periodically check the appearance and operational status of the accessories to ensure there is no damage, looseness, or leakage. Pay special attention to the sealing performance and operation flexibility of valves. Cleaning and Maintenance: Regularly clean the accessories, removing dirt and impurities from the surface. Use appropriate cleaning agents and tools, avoiding corrosive substances. Lubrication Maintenance: For accessories that require lubrication, such as the pistons and valve rods of valves, perform regular lubrication maintenance. Use suitable lubricants to ensure the normal operation and sealing performance of the valves. Sealing Inspection: Regularly inspect the sealing performance of the accessories, such as the sealing rings and sealing surfaces of valves. Replace any damaged or aging sealing parts promptly. Corrosion Protection: For accessories prone to corrosion, such as pipes and valves, take corrosion protection measures, such as coating with corrosion-resistant paint or wrapping with corrosion-resistant materials. Regular Calibration: For measuring equipment such as level sensors and pressure sensors, regularly calibrate them to ensure accuracy and reliability. Regular Maintenance: Develop a regular maintenance plan based on the usage and requirements of the accessories, including cleaning, lubrication, and inspections. Ensure the long-term stable operation of the accessories. Storage and Transportation Precautions: For spare accessories or those requiring replacement, pay attention to moisture-proof, shock-proof, and damage-proof during storage and transportation to avoid affecting their normal use. The above suggestions are for the maintenance and protection of carbon dioxide storage tank accessories. Specific operations should be based on the characteristics and requirements of the accessories and in accordance with the relevant regulations.

When applying paint to carbon dioxide storage tanks, the following issues should be taken into account: - Surface Preparation: Prior to painting, thorough surface preparation is essential. This includes cleaning the surface, removing grease, dirt, and old coatings to ensure the paint adheres properly and maintains quality. - Paint Selection: Choosing the right paint for carbon dioxide storage tanks is crucial. The paint should be corrosion-resistant, heat-resistant, and chemically resistant to protect the tank surface from corrosion and damage. - Spraying Technique: The choice and operation of the spraying technique are critical for the quality and uniformity of the coating. Appropriate spraying equipment and methods should be selected to ensure the paint covers the entire tank surface evenly, avoiding drips and runs. - Coating Thickness: The thickness of the coating is vital for the tank's protection. The thickness should be controlled according to the paint requirements and the tank's operating environment to ensure the coating's protective performance and lifespan. - Drying and Curing: After the coating is applied, sufficient time must be allowed for drying and curing. Follow the correct drying time and conditions as per the paint requirements to ensure the coating's quality and performance. - Safety Measures: Appropriate safety measures must be taken during the painting process, including wearing protective eyewear, respirators, and protective clothing to ensure the safety of the operators. - Quality Inspection: After painting, a quality inspection should be conducted, including the appearance, adhesion, and thickness of the coating. Any issues or defects should be addressed and repaired promptly. It is important to note that the painting of carbon dioxide storage tanks should be carried out by professionals.

When cooling carbon dioxide storage tanks, be mindful of the following points and familiarize yourself with the basic steps of the cooling process: Points to Note: - 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), coolers, and cooling systems. 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 operational status 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 amount to avoid over-injection and 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 carbon dioxide inside the tank is sufficiently cooled and liquefied. - Temperature Monitoring: Regularly monitor the tank's temperature during the cooling process to ensure it is within the appropriate range. Use temperature sensors or infrared thermometers for monitoring. - Cooling Completion: The cooling process is complete when the tank's temperature reaches the predetermined cooling requirements. At this point, the carbon dioxide inside the tank should be in a liquid state. It should be noted that the specific cooling process and steps may vary depending on different tank designs and usage scenarios. When conducting cooling operations, follow relevant safety operating procedures and standards to ensure safety and effectiveness.

Proper installation of a CO2 storage tank requires the following steps: Site Preparation: Select an appropriate site for installation, ensuring it is level, stable, and meets safety distance requirements. Clear the site of any obstructions and fire sources. Foundation Construction: Construct a foundation based on the tank's size and weight. The foundation must have sufficient strength and stability to support the tank's weight and pressure. Tank Installation: Place the tank on the foundation, ensuring proper bedding and fastening between the tank and foundation. Connect and secure the tank according to its design specifications. Pipe Connection: Connect the tank to the piping system as needed. Ensure that the connections are sealed properly to prevent leaks. Safety Equipment Installation: Install necessary safety equipment for the tank, such as safety valves, pressure sensors, and temperature sensors. Ensure these devices are correctly installed and connected. System Testing: Conduct system tests after installation, including pressure and leak tests, to ensure the proper operation and safety of the tank and piping system. Identification and Warning: Set up necessary identification and warning signs on the tank and piping system, including tank capacity and pressure information, to remind operators to be cautious. Tank Maintenance: Perform regular maintenance and upkeep on the tank after installation, including cleaning, lubrication, and inspections, to ensure normal operation and extend the tank's lifespan. Installation of CO2 storage tanks should be carried out by qualified installers and follow relevant safety operation procedures and standards. Seek advice and guidance from experts.
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