Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological 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: boiler, deep-freeze vessel, pressure vessel, 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 engineering and technical personnel and 82 middle-level technical personnel. 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 Industrial and Information Technology Department. 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.
Carbon dioxide storage tanks feature the following characteristics: High-pressure storage: Carbon dioxide storage tanks are typically used for high-pressure storage and can withstand high pressure. The carbon dioxide inside the tank exists in a gaseous or liquid state, with the pressure usually ranging from tens to hundreds of MPa. High-density storage: When stored in a liquid state, carbon dioxide has a higher storage density. Compared to gaseous storage, liquid storage can hold more carbon dioxide in a relatively smaller tank, enhancing storage efficiency. Corrosiveness: Carbon dioxide has some corrosive properties and can erode certain materials. Therefore, carbon dioxide storage tanks are usually made of corrosion-resistant materials like stainless steel or alloy steel to ensure the tank's durability and safety. Temperature sensitivity: Carbon dioxide is a gas at room temperature but can become liquid at lower temperatures. Thus, carbon dioxide storage tanks typically require good insulation to maintain the low internal temperature. Safety protection: The tanks are equipped with safety valves and pressure relief devices to control internal pressure and temperature, ensuring the safety of the storage process. Additionally, the tanks must have excellent sealing performance to prevent leaks. Wide application: Carbon dioxide storage tanks are widely used in various fields such as the food and beverage industry, pharmaceutical industry, and chemical industry. They can be used for freezing food, refrigeration equipment, gas supply, and meet the needs of different industries. In summary, carbon dioxide storage tanks have characteristics such as high-pressure storage, high-density storage, corrosiveness, temperature sensitivity, safety protection, and wide application. These features make them an essential equipment for storing and using carbon dioxide in many industries.

Common defects in CO2 storage tanks may include deformation during use. Here are some causes that could lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, deformation may occur. This could be due to operator error, system failure, or other reasons. Temperature Fluctuations: CO2 storage tanks expand and contract with temperature changes, and if these changes are too great or too rapid, deformation of the tank may result. Internal Corrosion: If there are corrosion issues within the tank, corrosion can damage the structural integrity, leading to deformation. External Damage: External impacts, compressions, or other physical damages can cause the tank to deform. Incorrect Installation or Use: Incorrect installation or usage methods can cause uneven stress on the tank, potentially leading to deformation. Tank deformation can reduce the structural integrity of the tank and even pose risks of leakage or rupture. Therefore, it is important to regularly inspect and maintain the integrity of the tank, as well as to adhere to proper operational and installation procedures. If tank deformation 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 to ensure operational safety.

For the maintenance and care of low-temperature liquid storage tanks, here are some tips and precautions: - Regular Inspections: Regularly check the tank's exterior, internal lining, valves, and pipe connections for corrosion, cracks, oil leaks, etc. - Cleaning and Draining: Periodically clean the tank interior to remove accumulated impurities and sediments. Also, regularly drain the liquid and gas impurities inside the tank. - Corrosion Protection: The exterior shell and internal lining of low-temperature liquid storage tanks should be treated with corrosion protection. Regularly inspect and maintain the corrosion protection layer or paint to ensure its integrity and effectiveness. - Temperature and Pressure Control: The temperature and pressure of low-temperature liquid storage tanks should be controlled within the design limits. Avoid high or low temperatures and pressures that could damage the tank. - Safety Equipment Checks: Inspect the tank's safety equipment, such as safety valves, pressure sensors, and temperature sensors, to ensure they are functioning properly. Verify that their set parameters meet requirements. - Level Measurement System Maintenance: Regularly check and calibrate the level measurement system for accuracy and reliability. Clean or replace the level sensors as needed. - Fire Prevention Measures: Fire prevention measures are 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 measures based on assessment results. - Operator Training: Operators should receive training on 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 plays several key roles in carbonated beverages: - Bestowing Bubble and Texture: It is the key ingredient that creates bubbles and effervescence in carbonated drinks. When carbon dioxide dissolves in the beverage, it forms bicarbonate ions, giving it a fizzy and bubbly texture. This bubble and texture contribute to the distinctive taste and mouthfeel of carbonated drinks. - Adjusting pH Levels: Carbon dioxide reacts with water to form carbonic acid, which helps regulate the pH of carbonated beverages. By controlling the amount of carbon dioxide dissolved, the acidity can be adjusted, resulting in a pleasant taste and mouthfeel. - Providing Refreshment: The carbon dioxide bubbles in carbonated drinks can impart a refreshing sensation. As you sip the beverage, the carbon dioxide bubbles stimulate the taste buds on your tongue, creating a cooling and crisp feeling that enhances the taste and mouthfeel. - Extending Shelf Life: Carbon dioxide in carbonated drinks has preservative properties. Due to its acidity and properties, it can inhibit the growth of microorganisms, extending the shelf life of carbonated drinks. - Caution: Overconsumption of carbonated drinks may have adverse health effects, such as tooth erosion and osteoporosis. Therefore, it is important to consume carbonated drinks in moderation.
Our company attaches great importance to 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, and more. We are equipped with over 600 instruments and equipment, including CNC machines, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and others. 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 key projects, and Heze City innovation and excellence projects. We have cumulatively obtained 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 Li Yajiang of Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technology, which has been appraised as reaching international standards in the field of deep cryogenic vessel manufacturing at the provincial level. Choose Zhongjie Special Equipment, and let's create brilliance together!