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: boilers, deep-freeze 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 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 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.
When selecting a carbon dioxide tank support, consider the following factors: Load Capacity: The design and selection of the support should be capable of bearing the weight and pressure of the tank. The carrying capacity of the support should be determined based on the tank's dimensions, weight, and working conditions. Stability: The support should have sufficient stability to prevent tilting or collapse of the tank during use. The design of the support should take into account the center of gravity position and changes in the tank to provide stable support. Corrosion Resistance: Due to the corrosive nature of carbon dioxide, the material chosen for the support should have good corrosion resistance to prevent corrosion and damage. Installation and Maintenance Ease: The design of the support should consider ease of installation and maintenance to facilitate the installation, adjustment, and maintenance of the tank. Compliance with Standards and Regulations: The design and selection of the support should comply with relevant standards and regulations, such as Standard GB150 "Steel Pressure Vessels." Additionally, other related factors such as cost, reliability, and durability can also be considered. When selecting a support, consult engineers or consulting companies for advice and guidance.
Installation and operation of low-temperature carbon dioxide storage tanks must comply with the following requirements:
Installation Location Selection: When selecting the installation location for the tank, consider the tank's weight and dimensions to ensure a solid and stable foundation. Additionally, keep the tank 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 inspections, maintenance, and emergency responses. The safety distance should meet relevant safety regulations and standards.
Connection Pipes: Use an appropriate connection method between the tank and the pipes to ensure a tight and reliable connection with no leaks. The connection pipes should comply with relevant standards and regulations.
Pressure Relief Devices: The tank should be equipped with pressure relief devices, such as safety valves, to control internal tank pressure. The set pressure of the pressure relief devices should meet relevant requirements and be inspected and maintained regularly.
Sealability Inspection: Regularly check the tank's sealing performance to ensure no leaks. Pay special attention to the sealing of valves, pipe connections, and the tank itself.
Temperature Control: Low-temperature carbon dioxide storage tanks require temperature control to maintain the internal low-temperature state. 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 based on actual needs to avoid exceeding the rated capacity. Exceeding the rated capacity may cause excessive tank pressure, increasing safety risks.
Storage
Common disadvantages of corrosion in pressure vessels during use include:
Chemical media: Some chemical media are corrosive, such as acids, alkalis, salts, etc. When these media come into contact with the vessel material, corrosion may occur.
Humidity and moisture: High humidity environments or long-term exposure to moisture can lead to corrosion on the vessel surface, especially in the presence of oxygen, which may accelerate the corrosion rate.
Rusting: When the protective layer on the vessel surface (such as coatings or plating) is damaged or destroyed, the vessel may suffer from rusting, which can damage the surface and lead to further corrosion.
Electrochemical corrosion: When different metals or metals and non-metals come into contact, an electrochemical corrosion battery may form, which can lead to localized corrosion on the vessel surface.
Welding defects: Defects such as weld pores and cracks may be introduced during the welding process, which may become starting points for corrosion.
Corrosion can weaken the structural strength of the vessel, increasing the risk of leakage or rupture. Therefore, regular inspection and maintenance of the corrosion prevention layer, coating, or plating on pressure vessels are important. If corrosion issues are found, timely measures should be taken for repair or replacement of the damaged parts.
In addition, selecting appropriate materials and corrosion prevention measures, as well as correct operational and maintenance methods, can reduce the risk of corrosion in pressure vessels. Adhering to relevant safety operating procedures and standards ensures the safe operation of pressure vessels.
Carbon dioxide storage tanks feature the following characteristics:
- High-pressure Storage: These tanks are commonly used for high-pressure storage and can withstand significant pressure. The carbon dioxide inside the tank exists in a gaseous or liquid state, with pressures typically ranging from tens to hundreds of megapascals (MPa).
- High-Density Storage: When stored in a liquid state, carbon dioxide has a higher storage density. Compared to gaseous storage, liquid storage allows for more carbon dioxide to be stored 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 from corrosion-resistant materials such as stainless steel or alloy steel to ensure durability and safety.
- Temperature Sensitivity: Carbon dioxide is a gas at room temperature but can turn into a liquid at lower temperatures. As a result, carbon dioxide storage tanks often need to have good thermal insulation to maintain low internal temperatures.
- Safety Protection: These tanks are equipped with safety valves and pressure relief devices to control internal pressure and temperature, ensuring the safety of the storage process. Additionally, they must have excellent sealing performance to prevent leaks.
- Wide Application: Carbon dioxide storage tanks are widely used in various industries such as 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, carbon dioxide storage tanks have features such as high-pressure and high-density storage, corrosiveness, temperature sensitivity, safety protection, and wide application. These characteristics make them essential equipment for storing and using carbon dioxide in many industries.
Shandong Zhongjie Special Equipment, welcome customers to visit our factory for business discussions.




































