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 7 business centers: boilers, deep-freezing containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians, 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, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
To extend the service life of CO2 storage tanks, the following measures can be taken: - Regular Inspections and Maintenance: Conduct regular checks on the tank's exterior, lining, valves, and pipe connections to ensure they are intact. Promptly repair or replace any abnormalities or damages. - Corrosion Prevention: As CO2 is corrosive, both the interior and exterior of the tank should be treated for corrosion resistance. Regularly inspect and maintain the protective layer or coating to ensure its integrity and effectiveness. - Cleaning and Drainage: Regularly clean the interior of the tank to remove accumulated impurities and sediments. Also, regularly drain the liquid and gas impurities from the tank to maintain cleanliness and normal operation. - Temperature and Pressure Control: Maintain the tank's temperature and pressure within the design limits. Avoid extremes of temperature and pressure that could damage the tank. - Regular Testing and Calibration: Conduct regular testing and calibration of the tank, including parameters such as level, pressure, and temperature. Ensure the tank's measurement and control systems are accurate and reliable. - Adherence to Operating Procedures: Strictly adhere to operational and safety procedures to ensure the tank operates normally and safely. Train operators to enhance their operational skills and safety awareness. - Updates and Upgrades: Update and upgrade tank components and equipment as needed to meet new technological and safety requirements. - Regular Assessment and Monitoring: Regularly assess and monitor the tank, including structural integrity, corrosion, and safety aspects. Implement appropriate maintenance and repair measures based on assessment results. - These measures can help extend the service life of CO2 storage tanks and ensure their safe and reliable operation.

The internal structure of a carbon dioxide storage tank typically includes the following main components: Tank Shell: The tank shell serves as the primary container for storing carbon dioxide and is usually made of carbon steel or stainless steel. It is designed with sufficient strength and sealing properties to withstand internal pressure and loads. Lining Layer: To prevent direct contact between carbon dioxide and the tank shell, which could lead to corrosion and contamination, the interior of the tank is usually lined with a protective layer. This lining is typically made from corrosion-resistant materials such as glass fiber reinforced plastic or polyester resin. Support Structure: To support the tank's weight and maintain stability, an internal support structure is often installed. This can include supports, frames, etc., to bear the weight of the bottom and side walls of the tank. Internal Accessories: The tank is also equipped with essential accessories such as level gauges, pressure sensors, temperature sensors, and safety valves. These accessories are used to monitor and control the liquid level, pressure, and temperature inside the tank to ensure safe operation. Pressure Relief Device: To prevent excessive internal pressure, the tank is usually fitted with a pressure relief device, such as a safety valve. When the internal pressure exceeds the set value, the relief device automatically opens to release pressure, safeguarding the tank. Inlet and Outlet Pipes: The tank also features inlet and outlet pipes for injecting and discharging carbon dioxide. These pipes are typically connected to external supply or consumption systems to facilitate the storage and use of carbon dioxide. The above describes the general internal structure of a carbon dioxide storage tank; specific structural design and configurations may vary depending on the tank's purpose and specifications. When using and maintaining the tank, it is necessary to...

Carbon dioxide has a wide range of applications in the field of food freezing. Here are some common uses of carbon dioxide in food freezing: 1. Frozen Food Processing: Carbon dioxide is frequently used in the processing of frozen foods. By exposing food to liquid carbon dioxide, temperatures can be rapidly reduced for quick freezing, effectively preserving the quality, texture, and nutritional content of the food. 2. Frozen Storage: Carbon dioxide is also employed in the frozen storage of food. During this process, food is placed in a low-temperature environment, where the freezing action 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 utilizing carbon dioxide freezing technology during transport, the low-temperature state of the food is maintained, preventing quality loss. 4. Frozen Display: In the retail food industry, carbon dioxide is used in frozen display cabinets. Injecting carbon dioxide gas into the display maintains the low temperature, showcasing the food while preserving its freshness and quality. Compared to traditional freezing techniques, carbon dioxide freezing offers advantages such as faster freezing, better freezing results, and minimal impact on food quality. However, safety is a concern when using carbon dioxide freezing technology, as leaks can be hazardous. Therefore, it is necessary to follow relevant safety procedures and guidelines when using carbon dioxide for food freezing.

Carbon dioxide storage tanks offer the following advantages: High storage density: Carbon dioxide storage tanks can compress carbon dioxide gas into a liquid state, significantly increasing storage density. Compared to storing in its gaseous state, liquid carbon dioxide can be stored in a smaller tank, saving space and costs. Environmental and renewable: Carbon dioxide is an eco-friendly gas, and its increase in atmospheric concentration contributes to warming and climate change. By storing and utilizing carbon dioxide, we can reduce its emissions into the atmosphere, promoting environmental protection and sustainable development. Versatile applications: Carbon dioxide storage tanks are widely used in various fields, including the food and beverage industry, industry, firefighting, and gas supply. Carbon dioxide can be used as a food preservative, beverage effervescent agent, gas, and extinguishing agent, with broad applications and market demand. Safe and reliable: During design and manufacturing, carbon dioxide storage tanks typically use high-strength materials (such as carbon steel or stainless steel), providing good pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level gauges, and other accessories to ensure safe operation. Moreover, carbon dioxide is a non-flammable and non-explosive gas, making it relatively safe. These advantages make carbon dioxide storage tanks a crucial storage and supply equipment, widely used across multiple industries. However, safety operation procedures and standards must still be followed when using carbon dioxide storage tanks to ensure safe operation and usage.
Our company attaches great importance to technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We have 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 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 innovation and excellence 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 container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial-level scientific and technological achievement identification has confirmed that the technology level in the field of deep cryogenic container manufacturing has reached an international standard. Choose Zhongjie Special Equipment, and let's create brilliance together!