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 seven business centers: boilers, deep-freezing 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. The main workshop spans 83,000 square meters. It currently employs 710 people, including 247 engineering and technical personnel 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, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
For the maintenance and care of low-temperature liquid storage tanks, here are some tips and precautions: Regular Inspections: Periodically check the tank's exterior, internal lining, valves, and pipeline connections. Be vigilant for signs of corrosion, cracks, and oil leaks. Cleaning and Drainage: Regularly clean the tank's interior to remove accumulated impurities and sediments. Also, regularly drain the tank to remove liquid and gas impurities. 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 protective layer or coating to ensure its integrity and effectiveness. Temperature and Pressure Control: Maintain the tank's temperature and pressure within the design limits. Avoid extremes that could damage the tank. Safety Equipment Check: Inspect the tank's safety equipment, such as relief 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. Clean or replace level sensors as needed. Fire Prevention Measures: Fire prevention is crucial for low-temperature liquid storage tanks. Ensure that fire protection equipment around the tank is in good condition and conduct regular fire drills. Regular Assessment and Monitoring: Regularly assess and monitor the tank, including structural integrity, corrosion, and safety. Take appropriate maintenance and repair measures based on assessment results. Operator Training: Operators should receive training on the characteristics, operational requirements, and safety measures of low-temperature liquid storage tanks. Training should include safe operation, leak handling, and emergency procedures.

If a leak in the CO2 storage tank is detected, the following procedures should be taken immediately: Confirm the leak location: First, identify the exact location of the leak, which can be done through hearing, observation, or using gas detection equipment. Emergency response: Upon discovering a leak, take immediate emergency measures to ensure personnel safety. Evacuate personnel to a safe area and notify relevant personnel and emergency agencies. Cut off the gas supply: As soon as possible, shut off the CO2 supply source by closing valves or cutting off power to stop the supply of CO2. Locate the leak: In a safe environment, use gas detection equipment or visual inspection to find the leak. Apply soap water or other leak detection agents to potential leak points and observe for bubble formation. Seal the leak: Once the leak location is confirmed, take temporary sealing measures, such as using tape, sealant, or other reliable sealing materials for temporary repair. Ensure the sealing is secure and effective in preventing gas leakage. Repair and restoration: In a safe environment, carry out further repairs and restoration. Depending on the nature of the leak, it may be necessary to replace gaskets, repair or replace valves, etc. Repair and restoration work should be performed by qualified personnel. Inspection and testing: After repairs and restoration, conduct leak detection and testing to ensure the leak has been fully repaired and the tank's safety performance has returned to normal. It is important to handle CO2 storage tank leak issues with caution and follow relevant safety regulations and procedures. If you do not possess the necessary knowledge and skills, contact a professional for assistance.

The automatic maintenance system for CO2 storage tanks typically includes the following main components: - Pressure Maintenance System: Monitors and adjusts the pressure inside the tank to ensure CO2 is maintained within a safe and stable pressure range. It includes pressure sensors, control systems, pressure regulating valves, and pressure reserve devices. - Temperature Control System: Monitors and regulates the internal temperature of the tank to maintain CO2 within an appropriate temperature range. It includes temperature sensors, control systems, and temperature regulation devices. - Level Monitoring System: Measures and monitors the liquid level inside the tank to ensure the CO2 level remains within a safe range. The system can use float level gauges, pressure level gauges, ultrasonic level gauges, etc. - Leak Detection System: Monitors for leaks in the tank and pipeline systems, detecting and alerting to them promptly. It can use gas sensors, liquid sensors, and leak detectors. - Fire Detection and Extinguishing System: Monitors for fire conditions in the tank area and takes appropriate extinguishing measures. It includes fire detectors, alarms, and extinguishing equipment. - Remote Monitoring and Control System: Monitors and controls the operational status and parameters of the tank remotely, enabling remote operation and management. This system can be connected via a network to provide real-time data and remote control features. These components constitute the main parts of a typical CO2 storage tank automatic maintenance system. The specific system configuration and functionality can be customized based on the tank's design requirements and application scenarios. These automatic maintenance systems enhance the tank's safety, stability, and reliability, reducing the need for manual intervention and operational risks.

Carbon dioxide recovery is a technology designed to capture carbon dioxide from industrial emission sources or the atmosphere, storing or utilizing it to reduce CO2 emissions. Here are some common carbon dioxide recovery techniques: 1. Coal-fired Power Plant CO2 Recovery: In coal-fired power plants, the CO2 produced by burning coal can be captured and recovered. Common methods involve carbon capture technologies to separate CO2 from flue gases for storage or use. 2. Industrial Emission Source CO2 Recovery: CO2 produced in many industrial processes can be treated through capture and recovery techniques. For instance, CO2 generated during the production processes in steel, cement, and chemical industries can be recovered to reduce emissions. 3. Atmospheric CO2 Capture: CO2 in the atmosphere can also be recovered using direct air capture technologies. This technique employs adsorbents or chemical reactions to capture and separate CO2 from the atmosphere, followed by storage or use. 4. CO2 Utilization: Captured CO2 can be utilized to produce valuable chemicals and fuels. For example, through CO2 catalytic conversion technology, CO2 can be converted into fuels like ethanol or chemical raw materials. The development of carbon dioxide recovery technologies aims to reduce greenhouse gas emissions and mitigate climate change. However, these technologies are still in continuous development and research, requiring further technological breakthroughs and practical verification for large-scale application.
Our company attaches great importance to technological innovation and R&D design. We have 1 municipal-level enterprise technology center in Heze City, with test facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with 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, and more. The key products we have developed, such as welding for temperature and pressure vessels, emissions reduction for biomass boilers, and waste heat recovery, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology 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 vessel processing technology using the international plasma arc + wire feeding tungsten inert gas arc welding (PAW-GTAW) technique. The provincial-level scientific and technological achievement identification has confirmed that our technology level in deep cryogenic vessel manufacturing has reached an international standard. Choose Zhongjie Special Equipment, let's create brilliance together!