Shandong Zhongjie Special Equipment specializes in: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation deep-chilled pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, and CO2 tanks; pressure vessel products including denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment sets; central air conditioning and heating ventilation equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, and LNG tank containers, among other green energy equipment.
Proper installation of a CO2 storage tank requires the following steps:
Site Preparation: Select a suitable location for installation, ensuring the site is level, stable, and meets safety distance requirements. Clear the site of any obstructions and fire sources.
Foundation Construction: Construct the foundation based on the tank's size and weight. The foundation must be sufficiently strong and stable 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 design specifications.
Piping Connection: Connect the tank to the piping system as needed. Ensure good seals at the connection points to prevent leaks.
Safety Equipment Installation: Install the 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 normal and safe operation of the tank and piping system.
Identification and Warning Signs: 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 about safety.
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.
CO2 tank installation should be carried out by qualified installers and follow relevant safety operation procedures and standards. Seek advice and guidance from a consultant.
Daily inspections and maintenance of CO2 storage tanks can be conducted in the following steps:
1. Visual Inspection: Check for any obvious damage, corrosion, or oil leakage on the tank's exterior. Pay attention to any abnormalities in the tank shell, valves, pipe connections, etc.
2. Internal Inspection: If allowed, perform an internal inspection of the tank. Check for corrosion, scale buildup, or blockages in the inner lining, valves, and pipes.
3. Valve and Pipe Inspection: Verify that the tank's inlet and outlet valves and pipe connections are functioning normally, with no leaks or loose fittings. Ensure that valves operate smoothly and reliably.
4. Pressure Relief Device Inspection: Check if the tank's pressure relief device (such as a safety valve) is operating correctly. Confirm that the set pressure of the relief device meets the requirements.
5. Measurement and Control System Inspection: Ensure that the tank's level, pressure, and temperature measurement and control systems are functioning properly. Calibrate and test the accuracy of measurement equipment.
6. Cleaning and Draining: Regularly clean the interior of the tank to remove accumulated impurities and sediments. Also, periodically drain the tank to remove liquid and gas impurities inside.
7. Maintenance and Repair: Conduct necessary maintenance and repair work based on inspection results. Repair damaged components, replace worn-out seals, etc., to ensure the tank operates normally.
8. Record and Report: Document the inspection and maintenance process, including the date of inspection, contents of the inspection, issues found, and measures taken. Submit inspection reports to relevant departments or management as needed.
The above steps are general guidelines for the daily inspection and maintenance of CO2 storage tanks. Specific operations should be carried out according to the tank's characteristics and requirements. When conducting inspections and maintenance, follow relevant safety operation procedures and have qualified personnel perform the operations.
The liquid level of a carbon dioxide tank will vary based on specific design and operational requirements. Generally, the liquid level in a liquid carbon dioxide tank is maintained between 80% and 95%. There are several reasons for keeping the tank level within this range:
- Space reservation: Maintaining a certain level of liquid provides steam space inside the tank, preventing overpressure and the risk of tank explosion.
- Storage capacity: Keeping a higher level maximizes the tank's capacity, allowing for more carbon dioxide storage.
- Stable supply: Maintaining an appropriate level ensures a stable supply of carbon dioxide to meet usage demands.
However, specific level requirements may vary depending on different applications and industries. When using a carbon dioxide tank, it is essential to follow the manufacturer's recommendations and relevant regulations and standards to ensure the tank's level is controlled within a safe and appropriate range.
Design requirements for carbon dioxide storage tanks typically include the following aspects:
- Pressure Vessel Design: Carbon dioxide storage tanks are usually designed as high-pressure vessels capable of withstanding high pressure. The design must comply with relevant standards and regulations, such as Standard GB150 "Steel Pressure Vessels."
- Material Selection: The choice of materials for the tank should consider the properties of carbon dioxide, such as high pressure, high oxidizing, and corrosive nature. Common materials include carbon steel and stainless steel, with selections based on specific working conditions and requirements.
- Safety Valves and Pressure Control: The tank should be equipped with safety valves and pressure control devices to ensure internal pressure remains within a safe range. Safety valves should be selected according to design requirements and should be regularly inspected and tested to ensure proper operation.
- Insulation Performance: Since carbon dioxide needs to remain in a liquid state at low temperatures, the tank should have good insulation properties to prevent excessive evaporation of liquid carbon dioxide and energy loss. The selection and design of insulation materials and layers should consider working temperatures and environmental conditions.
- Leak Detection and Alarm: The tank should be fitted with leak detection devices and alarm systems, along with corresponding monitoring equipment. These devices can detect leaks promptly and trigger alarms, enabling appropriate measures to be taken.
- Structural Strength and Stability: The structural design of the tank should be sufficiently strong and stable to withstand internal pressure and external loads. The structural design must comply with relevant standards and regulations, such as Standard GB12337 "Design Code for Pressure Vessels."
- Safe Operation and Maintenance: The design of the tank should consider the ease of safe operation and maintenance, such as the placement of manholes, inspection openings, and drain ports.
Our company highly values technological innovation and research and development, boasting one city-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more. 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, and plasma welding machines, our key products such as thermal pressure vessel welding, biomass boiler emissions reduction, and waste heat utilization 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 cumulatively obtained 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technique, which has been appraised as reaching international standards in the field of deep cryogenic container manufacturing at the provincial level. Choose ZJ Special Equipment, let's create brilliance together!




































