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 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, LNG tank containers, and other green energy equipment.
Carbon dioxide has wide applications in the field of food freezing. Here are some common uses of carbon dioxide in food freezing: 1. Freezing Food Processing: Carbon dioxide is commonly used in the processing of frozen foods. By exposing food to liquid carbon dioxide, temperatures can be rapidly reduced for quick freezing, which effectively preserves the quality, texture, and nutritional content of the food. 2. Frozen Storage: Carbon dioxide is also employed in the freezing storage of food. During this process, food is placed in a low-temperature environment where the cooling effect of carbon dioxide lowers the temperature below the freezing point, extending the shelf life of the product. 3. Frozen Transportation: Carbon dioxide plays a crucial role in the frozen transportation of food. By using carbon dioxide freezing technology during transport, the low temperature state of the food is maintained, preventing quality and nutritional loss. 4. Frozen Display: In the retail food industry, carbon dioxide is also used in frozen display cases. Injecting carbon dioxide gas into the display case keeps the food at a low temperature, preserving freshness and quality while showcasing the product. Compared to traditional freezing techniques, carbon dioxide freezing offers advantages such as faster freezing, better freezing effects, and minimal impact on food quality. However, safety operation is crucial when using carbon dioxide freezing technology to avoid leaks and potential harm to individuals. Therefore, it is necessary to follow relevant safety operation procedures and guidelines when using carbon dioxide for food freezing.

Carbon dioxide storage tanks feature the following characteristics: - High-pressure Storage: Typically used for high-pressure storage, these tanks can withstand significant pressure. The CO2 inside is in a gaseous or liquid state, with pressures usually ranging from tens to hundreds of MPa. - High-Density Storage: Liquid CO2 storage offers a higher density compared to gaseous storage, allowing for more CO2 to be stored in a smaller tank, thus enhancing efficiency. - Corrosiveness: CO2 has some corrosive properties, which can erode certain materials. Therefore, storage tanks are usually made from corrosion-resistant materials like stainless steel or alloy steel to ensure durability and safety. - Temperature Sensitivity: CO2 is a gas at room temperature but can be liquefied at lower temperatures. As such, storage tanks often require good insulation to maintain low internal temperatures. - Safety Protection: Equipped with safety valves and pressure relief devices, these tanks are designed to control internal pressure and temperature for safe storage. Additionally, they must have excellent sealing properties to prevent leaks. - Wide Application: Carbon dioxide storage tanks are extensively used in various industries, including food and beverage, pharmaceutical, and chemical sectors. They can be used for freezing food, refrigeration equipment, and gas supply, meeting diverse industrial needs. - In summary, CO2 storage tanks are characterized by high-pressure and high-density storage, corrosiveness, temperature sensitivity, safety protection, and wide application. These features make them essential equipment for storing and using CO2 in numerous industries.

When storing CO2 storage tanks, the following requirements must be followed to ensure safety and effectiveness: Ventilation: Tanks should be stored in well-ventilated areas to avoid the accumulation of CO2 gas. Ensure adequate air circulation around the tanks to prevent gas buildup and asphyxiation risks. Fire and Explosion Prevention: Keep tanks away from fire sources, high-temperature areas, and flammable materials. Avoid open flame operations near tanks to prevent fire and explosion risks. Sunlight Avoidance: Store tanks in locations shielded from direct sunlight to prevent overheating and pressure increase. Direct sunlight can raise tank temperatures, increasing the risk of leaks and explosions. Mechanical Damage Prevention: Keep tanks away from machinery and heavy objects to avoid collisions and damage. Mechanical damage can lead to tank leaks or破裂, causing safety accidents. Labeling and Warning Signs: Clearly label tanks with the type of stored gas, pressure, and other information. Set up warning signs around the tanks to remind personnel of their presence and relevant safety precautions. Regular Inspections: Conduct regular inspections of tank appearance, valves, fittings, etc., to ensure they are intact. Take corrective actions promptly if any abnormalities are found. Storage Capacity Control: Control the storage capacity of tanks to prevent exceeding the rated capacity. Exceeding the rated capacity can cause excessive tank pressure, increasing safety risks. Storage Records: Record the usage of tanks, including filling dates, filling quantities, inspection records, etc. Regularly conduct tank inspections and maintenance and retain relevant records. Note that specific storage requirements may vary depending on tank type and application. When storing CO2 tanks, operate according to relevant specifications and standards and consult with experts to ensure safety and effectiveness.

Installation and operation of low-temperature carbon dioxide storage tanks must comply with the following requirements: Installation Location Selection: When choosing the installation location for the tank, consider its weight and dimensions to ensure a solid and stable foundation. Additionally, keep it away from flammable and explosive materials and high-temperature sources to ensure safety. Safety Distance: Maintain a certain safety distance around the tank for routine checks, maintenance, and emergency response. The safety distance should adhere to relevant safety specifications and standards. Connecting Pipes: Use appropriate connection methods between the tank and the pipes to ensure tight and reliable connections with no leaks. The connecting pipes should meet relevant standards and regulations. Pressure Relief Devices: The tank should be equipped with pressure relief devices, such as safety valves, to control internal pressure. The set pressure of the pressure relief devices should meet relevant requirements and be inspected and maintained regularly. Sealing Inspection: The tank's sealing performance should be checked regularly to ensure no leaks. Pay special attention to the sealing of valves, pipe connections, and the tank itself. Temperature Control: Temperature control is required for low-temperature carbon dioxide storage tanks to maintain the low internal temperature. Ensure the surrounding environmental temperature is suitable and take appropriate insulation measures. Safety Protection: Set up appropriate safety protection facilities around the tank, such as guardrails and warning signs, to remind personnel of safety and prevent unauthorized access to the tank. Storage Capacity Control: Control the storage capacity of the tank according to actual needs to avoid exceeding the rated capacity. Exceeding the rated capacity may cause excessive pressure in the tank, increasing safety risks.
Shandong Zhongjie Special Equipment, welcome customers to our factory for business discussions.