Shandong Zhongjie Special Equipment specializes in: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat recovery boilers, and other boiler products; vacuum insulation cryogenic 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 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, LNG tank containers, and other green energy equipment.
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 pipe connections for corrosion, cracks, oil leaks, and other issues. - Cleaning and Draining: Regularly clean the tank's interior to remove accumulated debris and sediment. Also, drain the tank to remove liquid and gas impurities. - Corrosion Protection: The tank's shell and inner lining 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 to prevent damage from excessive or low levels. - Safety Equipment Checks: Inspect the tank's safety equipment, such as safety valves, pressure sensors, and temperature sensors, to ensure they are functioning properly and their set parameters meet requirements. - Maintenance of Level Measurement Systems: Regularly check and calibrate the level measurement system for 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 fire drills regularly. - Regular Assessments and Monitoring: Regularly assess and monitor the tank for structural integrity, corrosion, and safety. Take appropriate maintenance and repair actions based on assessment results. - Operator Training: Operators should be trained to understand the characteristics, operation requirements, and safety measures of low-temperature liquid storage tanks. Training should include safe operation, leak handling, and emergency procedures.

Carbon dioxide storage tanks come in various sizes and structures to meet specific application and capacity requirements. Here are some common sizes and structures of carbon dioxide storage tanks: - Sizes: The dimensions of carbon dioxide storage tanks range from small to large, varying with capacity. Common sizes include thousands to tens of thousands of liters. - Structure: Typically, carbon dioxide storage tanks are designed with a double-walled structure, where the inner wall stores liquid carbon dioxide and the outer wall serves for insulation. The inner wall is usually made of stainless steel or aluminum alloy, offering excellent corrosion resistance. - Insulation: To maintain the低温 of liquid carbon dioxide, the outer wall of the tank usually has an insulation layer to reduce heat transfer and maintain low temperatures. The insulation can be in multi-layered structures, such as polyester foam, glass wool, etc. - Pressure Relief Devices: Carbon dioxide storage tanks are usually equipped with pressure relief devices, such as safety valves, to control internal tank pressure. The set pressure of the pressure relief devices should comply with relevant requirements and be regularly inspected and maintained. - Connecting Pipes: The connection between the tank and pipes is typically done using appropriate methods, such as flange connections or threaded connections. The connecting pipes should meet relevant standards and specifications to ensure a secure and reliable connection with no leaks. - Support Structure: Large carbon dioxide storage tanks usually require a support structure to bear their weight. The support structure can be made of steel or concrete, ensuring stability and safety of the tank. Note that the specific sizes and structures of carbon dioxide storage tanks may vary depending on different applications and requirements. When selecting and using carbon dioxide storage tanks, one should consider the following factors...

Pressure Vessel Standards: Liquid carbon dioxide storage tanks are generally classified as pressure vessels, and their design, manufacturing, and use must comply with relevant pressure vessel standards. In China, common pressure vessel standards include GB150 "Steel Pressure Vessels" and GB18435 "Tanks" among others. Safety Standards: The use of liquid carbon dioxide storage tanks must adhere to applicable safety standards and regulations. For instance, in China, the safe operation of liquid carbon dioxide storage tanks should follow standards such as GB50028 "Design Code for Petroleum and Chemical Enterprises" and GB50016 "Design Code for Fire Prevention in Buildings." Inspection and Testing Standards: The inspection and testing of liquid carbon dioxide storage tanks must conform to relevant standards and regulations. For example, regular inspections of liquid carbon dioxide storage tanks can refer to standards like GB/T 19638 "Code for Periodic Inspection of Pressure Vessels." Environmental Protection Standards: The use of liquid carbon dioxide storage tanks must comply with environmental protection standards and regulations. For example, in China, the emissions from liquid carbon dioxide storage tanks should meet standards such as the "Air Pollutant Emission Standards."

When using carbon dioxide storage tanks, the following points should be noted: Safety Operation: When using carbon dioxide storage tanks, it is mandatory to follow relevant safety operation procedures and standards. Operators should receive training to understand the tank's characteristics, operational requirements, and safety measures, and operate strictly according to the procedures. Tank Inspection: Regularly inspect the tank's appearance, sealing, valves, and pipeline connections to ensure the tank's integrity and safety. In case of abnormalities or damage, repairs or replacements should be made promptly. Tank Pressure Control: The tank's pressure should be controlled within a safe range. Regularly check and calibrate pressure sensors and safety valves to ensure the normal operation of the pressure control system. Temperature Control: Carbon dioxide storage tanks typically require maintenance at low temperatures. Ensure the proper operation of cooling equipment, regularly check and calibrate temperature sensors to maintain appropriate storage temperatures. Leak Protection: Carbon dioxide is a gas prone to leakage, which can lead to safety risks and environmental pollution. Ensure the tank and pipeline sealing, regularly inspect and replace seals, and promptly address any leakage situations. Fire and Explosion Prevention: Avoid open flame operations near the tank to prevent fire sources from contacting carbon dioxide. Maintain good ventilation around the tank to prevent the accumulation of carbon dioxide. Waste Disposal: Dispose of discarded carbon dioxide storage tanks or residues in accordance with relevant regulations and standards. Adhere to environmental protection requirements to ensure the safe disposal of waste and environmental protection. Regular Maintenance: Regularly maintain and inspect the tank, including cleaning and painting, to ensure its proper functioning.
Our company places great emphasis on technological innovation and R&D, boasting one municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 types of 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 and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have cumulatively obtained 27 authorized utility model patents, 16 authorized invention patents, 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 container processing technology using the international plasma arc + wire feeding tungsten inert gas arc welding (PAW-GTAW) technology. After being appraised as a provincial-level scientific and technological achievement, our technology level in the field of deep cryogenic container manufacturing has reached an international standard. Choose Zhongjieteqiang, let's create brilliance together!