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-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 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.
Carbon Dioxide Applications in the New Energy Sector Include: - Carbon Capture and Storage (CCS): A technology to reduce carbon dioxide emissions by capturing CO2 from industrial sources and storing it underground, preventing it from entering the atmosphere. This helps decrease greenhouse gas emissions and mitigate climate change. - Carbon Utilization: CO2 can be utilized to produce valuable chemicals and fuels. For instance, through CO2 catalytic conversion technology, CO2 can be converted into fuels like ethanol or raw materials for chemicals. This carbon utilization technique aids in reducing dependence on traditional fossil fuels and promotes sustainable energy development. - Carbon Dioxide Batteries: A new battery technology that uses CO2 as an electrode material. By converting CO2 into electrical energy, these batteries can serve as a sustainable energy storage solution, helping to advance electric vehicles and renewable energy sources. - Carbon Dioxide Photocatalysis: A technique that uses solar energy to convert CO2 into useful chemicals. By employing photocatalysts, CO2 and water can be transformed into combustible gases or organic compounds, thereby realizing the resource utilization of CO2. These applications aim to reduce CO2 emissions, enhance energy efficiency, and drive sustainable energy development. However, these technologies are still in continuous development and research, requiring further technical breakthroughs and practical validation.

Standard parameters for carbon dioxide storage tanks can vary depending on design and application requirements. Here are some common standard parameters: - Tank Capacity: The capacity of carbon dioxide storage tanks is typically expressed in kiloliters (L) or cubic meters (m). Common capacity ranges vary from a few thousand to tens of thousands of liters. - Working Pressure: The working pressure of carbon dioxide storage tanks is usually around 20 to 25 MPa (megapascals) at normal temperatures, with specific pressure determined by application needs and design standards. - Design Temperature: The design temperature for carbon dioxide storage tanks is generally in the low-temperature range, typically between -40°C and -60°C, to accommodate the liquefaction and storage requirements of carbon dioxide. - Material: Carbon dioxide storage tanks are commonly made of high-strength steel or alloy materials to withstand the stresses and loads under high pressure and low-temperature environments. - Insulation: The interior of the tank is equipped with an insulation layer to reduce heat transfer and liquid evaporation. The insulation is usually a multi-layer structure, including thermal insulation materials and an external protective layer. - Safety Valve and Pressure Relief Devices: The tank is equipped with a safety valve and pressure relief devices to control internal tank pressure, preventing overpressure and explosions. - Level Monitoring and Control: The tank is fitted with level monitoring equipment to monitor the liquid level inside. Timely monitoring and control of the level ensure that the liquid stored within the tank remains within a safe range. - It is important to note that specific standard parameters for carbon dioxide storage tanks may vary due to different design standards, application requirements, and manufacturers. When selecting and using carbon dioxide storage tanks, it is crucial to consider these factors.

The working principle of a carbon dioxide storage tank involves the compression and liquefaction of carbon dioxide. Here is a brief description of how a carbon dioxide storage tank operates: Compression: Carbon dioxide gas is first compressed to a higher pressure by a compressor. This process compresses the gas to a high-pressure state, enabling it to transition into a liquid. Cooling: The compressed carbon dioxide gas enters a cooler, where it is rapidly cooled by a coolant or cooling system within the cooler. This process cools the gas below its boiling point, transforming it into a liquid. Storage: The cooled carbon dioxide liquid is stored in a sealed tank, typically with an insulating layer to minimize evaporation of liquid carbon dioxide and maintain a low temperature. The tank's internal pressure is maintained within a specific range to ensure stable storage of the liquid carbon dioxide. Supply: When carbon dioxide is needed, it can be extracted from the tank through valves and a piping system. By controlling the opening and flow of the valves, liquid carbon dioxide can be supplied to the required equipment or system. It should be noted that the working principle of carbon dioxide storage tanks may vary depending on the specific design and manufacturing. When using a carbon dioxide storage tank, it is essential to follow the operation manual and safety guidelines, and to cooperate with local regulatory authorities and personnel to ensure the tank's safety and reliability.

Low-temperature carbon dioxide storage tanks offer several advantages: - Low-temperature storage capability: These tanks can store carbon dioxide at low temperatures, typically between -40°C to -70°C. This low-temperature storage allows carbon dioxide to be stored in a liquid state, significantly reducing the required storage space. - High storage density: Due to carbon dioxide being stored in a liquid state at low temperatures, its storage density is relatively high. Compared to gaseous storage, liquid storage can hold more carbon dioxide in a smaller tank, improving storage efficiency. - Environmental friendly and renewable: Carbon dioxide is an eco-friendly gas, and its storage and use processes produce minimal harmful substances. Moreover, carbon dioxide can be reused through capture and recycling technologies, reducing environmental impact. - High safety: Low-temperature carbon dioxide storage tanks are made of high-strength materials with good sealing and corrosion resistance. They are equipped with safety valves and pressure relief devices to effectively control internal pressure and temperature, ensuring safety during storage. - Wide application: These tanks are widely 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, low-temperature carbon dioxide storage tanks provide low-temperature storage capability, high storage density, environmental friendliness, renewability, high safety, and wide application. These benefits make them an essential storage equipment for carbon dioxide in many industries.
Our company highly values technological innovation and R&D design, boasting 1 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 machine tools, 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 we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat recovery, have been selected for multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, Shandong key projects, and Heze City innovative and excellent projects. We have accumulated 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li of Shandong University, has jointly developed deep cryogenic container processing technology using the international plasma arc + wire filling argon arc welding (PAW-GTAW) technology. This technology has been appraised as internationally competitive at the provincial level. Choose Zhongjie Special Equipment, and let's create brilliance together!