Shandong Zhongjie Special Equipment's main products include: 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 like 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.
Carbon dioxide tanks are widely used in numerous industries. Here are some common application sectors: Food and Beverage Industry: Carbon dioxide tanks are used in the production of carbonated beverages, beer, soda, etc., in the food and beverage industry. Carbon dioxide is injected into the drinks to enhance their bubbles and taste. Medical Industry: In the medical field, carbon dioxide tanks are used for applications such as anesthesia, respiration, and emergency care. Liquid carbon dioxide can be used to produce refrigerants for freezing and preserving biological samples and tissues. Firefighting: Carbon dioxide tanks are utilized in fire suppression systems within the fire service. Carbon dioxide is released into the fire scene to extinguish flames by suppressing oxygen supply. Gas Supply: Carbon dioxide tanks are also used for supplying CO2 gas in industrial and commercial sectors. These gases can be applied in welding, gas shielding, semiconductor manufacturing, water treatment, and more. Climate Control: In greenhouses and indoor planting, carbon dioxide tanks are used to control and increase the CO2 concentration for plant growth. Additionally, carbon dioxide tanks can be used in other industries, such as the automotive industry (for airbag systems) and other industries (for propellants and gas supply). It is important to note that the requirements and applications for carbon dioxide tanks may vary by industry. When using carbon dioxide tanks, it is essential to comply with relevant regulations and standards and ensure that the design, manufacturing, and use of the tanks meet the required specifications.

In daily operation, CO2 storage tanks require protection and maintenance to ensure proper functioning and safety. Here are some common protection and maintenance methods: - Visual Inspection: Regularly check the tank's exterior for corrosion, wear, cracks, and other issues. Take prompt corrective actions if any anomalies are found. - Sealing Integrity Check: Periodically inspect the tank's sealing performance, particularly at valves, pipe connections, and the tank's own seal. Ensure no leaks and address any promptly. - Temperature Control: Maintain a suitable ambient temperature around the tank and implement insulation measures to ensure the tank's internal低温 condition. - Pressure Relief Device Inspection: Regularly check the tank's pressure relief devices, such as safety valves, to ensure they operate correctly. Verify that the set pressure meets requirements and perform regular maintenance and replacements. - Level Monitoring: Regularly monitor the tank's liquid level to ensure accurate measurements. Take immediate action to investigate and address any abnormal levels. - Regular Cleaning: Clean the tank interior regularly to remove accumulated impurities and dirt. Exercise safety precautions during cleaning, avoiding flammable and corrosive substances. - Regular Testing: Conduct regular pressure tests and leak checks on the tank to ensure its safety performance meets standards. The frequency and methods should comply with relevant regulations and standards. - Storage Capacity Control: Control the tank's storage capacity to prevent exceeding the rated capacity. Overfilling can lead to excessive pressure and increased safety risks. - Note: Specific protection and maintenance methods may vary depending on the tank type and application.

When filling liquid carbon dioxide into storage tanks, attention should be given to the following aspects: Safety Operation: During the filling process, it is mandatory to follow relevant safety operation procedures and standards. Operators should receive training to understand the operational requirements and safety measures of the filling equipment and operate strictly according to the procedures. Tank Inspection: Prior to filling, the tank must be inspected to ensure its integrity and safety. Check the tank's appearance, sealing, valves, and pipeline connections, and promptly repair or replace them if any abnormalities or damage are found. Filling Equipment: Select appropriate filling equipment, ensuring it meets relevant standards and requirements. The filling equipment should have a safe and reliable design and operational function to ensure the safety and efficiency of the filling process. Filling Rate Control: Controlling the filling rate is crucial. Excessive filling speed can lead to high tank pressure, increasing safety risks. The filling rate should be controlled based on the tank's capacity and design requirements to ensure safe filling. Pressure Control: During the filling process, the tank's pressure must be strictly controlled. The filling equipment should be equipped with pressure sensors and safety valves to ensure the internal pressure of the tank remains within a safe range. Leak Protection: During the filling process, the sealing of valves and pipelines must be ensured to prevent carbon dioxide leakage. Regularly inspect and replace seals, and promptly address any leakage issues. Monitoring and Recording: Real-time monitoring and recording of key parameters, such as pressure, temperature, and liquid level, should be conducted during the filling process. This helps in promptly identifying abnormalities and making corresponding adjustments and treatments. It is important to note that liquid carbon dioxide storage tanks should be operated by trained personnel and followed the relevant safety operation procedures and standards. Seek advice and guidance from experts.

Common defects that may occur during the use of carbon dioxide tanks include deformation. The following are some causes that might lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it can cause deformation. This could be due to operator error, system failure, or other reasons. Temperature Fluctuations: Carbon dioxide tanks expand and contract with temperature changes, and if the temperature fluctuates too much or too rapidly, it can result in deformation. Internal Corrosion: If there is corrosion inside the tank, it can weaken the structural integrity of the tank, leading to deformation. External Damage: External impacts, compressions, or other physical damages can cause tank deformation. Incorrect Installation or Use: Incorrect installation or use methods can lead to uneven stress on the tank, causing deformation. Tank deformation may reduce the structural strength of the tank, even posing risks of leakage or rupture. Therefore, it's important to regularly inspect and maintain the integrity of the tank and follow proper operation and installation procedures. If tank deformation is detected or other defects are suspected, the tank should be immediately discontinued from use and professional assistance should be sought for inspection and repair. Do not attempt to repair or continue using a defective tank on your own to ensure operational safety.
Our company places a high priority on technological innovation and R&D, boasting 1 municipal-level enterprise technology center in Heze City. We have established test facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. Equipped with over 600 units of 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, our R&D of key products such as temperature-pressure vessels, biomass boiler emissions reduction, and waste heat recovery has been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong key projects, and Heze City innovation and excellence 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 Li Yajiang of Shandong University, has developed deep cryogenic vessel processing technology using the internationally recognized plasma arc + wire-in-tube argon arc welding (PAW-GTAW) technology, which has been appraised as internationally competitive at the provincial level in terms of technology. Choose ZJ Special Equipment, let's create brilliance together!