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; 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.
The cooling process for carbon dioxide storage tanks can vary depending on specific application needs and process design. Here is an example of a general cooling process for carbon dioxide storage tanks: Initial Cooling: When carbon dioxide enters the tank, it is typically cooled initially to lower its temperature. This can be achieved by passing the carbon dioxide through a condenser or cooler. The cooling medium can be cold water or refrigerant. Tank Cooling: After carbon dioxide enters the tank, it is necessary to continue cooling the tank itself to maintain the liquid state of the carbon dioxide. This can be done by setting up coolers or cooling pipes externally and circulating the cooling medium (such as cold water or refrigerant). Temperature Control: During the tank cooling process, the temperature inside the tank needs to be controlled to ensure that the carbon dioxide remains within an appropriate temperature range. This can be achieved through temperature sensors and control systems, which automatically control the temperature based on the set range. Insulation: To reduce heat transfer and energy loss, the tank is usually insulated. This can be done by setting up insulating materials (such as polyester foam or glass wool) externally to reduce heat conduction. Regular Inspection and Maintenance: In the cooling process of the tank, regular inspection and maintenance of cooling equipment and insulating materials are required to ensure proper operation and effectiveness. This includes cleaning coolers, checking the integrity and effectiveness of insulating materials, etc. It should be noted that the specific cooling process for carbon dioxide storage tanks may vary due to different application scenarios and process requirements. In actual application, process design and operation should be based on specific conditions to ensure the safety and performance of the tank. Consult engineers or storage professionals for more information.

Urea synthesis from carbon dioxide is a crucial chemical reaction with several applications: Urea production: Urea is a vital nitrogen fertilizer and chemical, widely used in both agricultural and industrial sectors. Carbon dioxide-based urea synthesis is one of the commonly used methods for producing urea. In this process, carbon dioxide reacts under high temperature and pressure to produce urea. This approach utilizes carbon dioxide resources, reducing dependence on fossil fuels used in traditional urea production methods. Urea fuel: Urea can also serve as a urea fuel for internal combustion engines and combustion equipment. By heating and decomposing urea, it releases energy, which then reacts with oxygen in the air to produce combustion heat. This combustion process yields only water vapor and nitrogen as by-products, minimizing environmental pollution. Chemical synthesis: Urea is an essential raw material for the synthesis of many chemicals. The carbon dioxide-based urea synthesis provides a sustainable supply of urea for the chemical industry, used to synthesize other chemicals, such as plastics, resins, coatings, etc. Energy storage: Urea can also act as a medium for energy storage. By converting carbon dioxide into urea, energy can be stored in the form of chemical bonds. When energy is needed, the urea can be decomposed to release energy, which then reacts with oxygen in the air to produce combustion heat. The development of carbon dioxide-based urea synthesis technology aims to reduce reliance on fossil fuels in traditional urea production, lower greenhouse gas emissions, and promote sustainable agriculture and the chemical industry. However, this technology is still under development and research, requiring further technical breakthroughs and practical verification for large-scale application.

Carbon dioxide tanks are widely used in numerous industries. Below are some common sectors where carbon dioxide tanks are utilized as examples: Dairy and Food Industry: Carbon dioxide is used as a carbonating agent for beverages and foods, for producing carbonated drinks, beer, soft drinks, etc. Tanks are used to store and supply carbon dioxide to meet the production line's requirements. Medical Industry: Carbon dioxide has various applications in the industry, such as anesthesia, respiratory support, and tissue freezing. Tanks are used to store and supply medical-grade carbon dioxide to meet facility needs. Fire Extinguishing: Carbon dioxide is extensively used in fire suppression systems, particularly for electrical and sensitive equipment. Tanks are used to store and supply fire-suppressing carbon dioxide. Gas Industry: Carbon dioxide is also a significant product in the gas industry, used in the manufacturing of chemicals, metal processing, welding, and gas shielding. Tanks are used to store and supply industrial-grade carbon dioxide. Greenhouse Agriculture: Carbon dioxide can be used to enhance plant growth in greenhouses, providing additional carbon dioxide concentration. Tanks are used to supply the required carbon dioxide for greenhouse operations. Automotive Industry: Carbon dioxide is used for tire inflation and airbag systems in cars. Tanks are used to store and supply carbon dioxide to meet the needs of car manufacturing and maintenance. These are just a few common industry examples. In reality, carbon dioxide tanks are also widely used in many other sectors, such as chemical, frozen food industries, etc. The specific usage will vary according to industry requirements and application scenarios.

Carbon dioxide storage tanks offer the following advantages: - High storage density: CO2 storage tanks can compress CO2 gas into a liquid state, significantly increasing storage density. Compared to storing it in gas form, liquid CO2 can be stored in a much smaller tank, saving space and costs. - Environmental friendly and renewable: CO2 is an environmentally friendly gas, and its increase in the atmosphere can lead to warming and climate change. By storing and utilizing CO2, we can reduce its emissions into the atmosphere, promoting environmental protection and sustainable development. - Wide range of applications: CO2 storage tanks are widely used in various fields, including the food and beverage industry, industry, fire suppression, and gas supply. CO2 can be used as a food preservative, beverage carbonation agent, gas, and fire extinguisher, with extensive applications and market demand. - Safe and reliable: During design and manufacturing, CO2 storage tanks typically use high-strength materials (such as carbon steel or stainless steel) with good pressure resistance and safety. The tanks are usually equipped with safety valves, pressure gauges, level indicators, and other accessories to ensure safe operation. Additionally, CO2 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 in multiple industries. However, it is still necessary to follow relevant safety operation procedures and standards when using CO2 storage tanks to ensure safe operation and use.
Our company highly values technological innovation and research and development design, boasting 1 municipal enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc., and are equipped with over 600 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. The key products we have developed, such as welding for temperature-pressure vessels, biomass boiler emissions reduction, and waste heat recovery, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology Science and Technology Innovation projects, key provincial projects, and Heze City innovation and excellence projects. We have accumulated a total of 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Li Yajiang of Shandong University, has jointly developed deep cryogenic vessel processing technology, utilizing the internationally recognized plasma arc + wire feeding tungsten inert gas arc welding (PAW-GTAW) technology. After provincial-level scientific and technological achievement identification, our technology level in the deep cryogenic vessel manufacturing field has reached international standards. Choose Zhongjietong for customization, and let's create brilliance together!