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 areas on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total 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, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
在二氧化碳储罐罐区进行安全操作时，需要遵循以下几个关键步骤和注意事项： 储罐区域划定：将储罐区域划定为专门的区域，并设置明确的标识和警示标志，以提醒人员注意安全。 人员培训：确保所有操作人员都接受过相关的培训，了解储罐的特性、操作规程和应急措施。培训内容应包括储罐的安全操作、泄漏处理、火灾应对等。 个人防护装备：所有进入储罐区域的人员都应佩戴适当的个人防护装备，如防护服、安全鞋、、手套等。这些装备可以提供保护，减少潜在的伤害风险。 操作规程：制定和遵守储罐的操作规程，包括储罐的开启、关闭、充装、排空等操作步骤。确保操作人员按照规程进行操作，避免操作失误和事故发生。 泄漏处理：储罐区域应配备适当的泄漏处理设备和材料，以应对可能的泄漏情况。操作人员应熟悉泄漏处理程序，并及时采取措施进行泄漏控制和清理。 火灾安全：储罐区域应配备适当的消防设备和灭火器材，并确保操作人员了解火灾应对程序。禁止在储罐区域内吸烟或使用明火，以防止火灾风险。 定期检查和维护：定期检查储罐的安全阀、压力表、温度传感器等设备的工作状态，并进行必要的维护和修理。确保储罐的正常运行和安全性。 应急预案：制定储罐区域的应急预案，包括事故报警、人员疏散、急救措施等。所有操作人员应熟悉应急预案，并定期进行演练和培训。 需要注意的是，以上是一般的安全操作指导，具体的操作要求可能会因不同的储罐设计和使用场景而有所差异。在进行储罐操作时，应遵循相关的安全操作规程和标准，确保操作的安全性和有效性。好咨询工程师或储罐制造商以获取具体的操作指导。

To extend the service life of carbon dioxide storage tanks, the following measures can be taken: Regular inspections and maintenance: Conduct regular checks on the tank's exterior, inner lining, valves, and pipe connections to ensure they are intact. In case of abnormalities or damage, perform repairs or replacements promptly. Corrosion prevention: As carbon dioxide is corrosive, both the internal and external surfaces of the tank should be treated with corrosion-resistant measures. Regularly inspect and maintain the integrity and effectiveness of the corrosion-resistant layer or coatings. Cleaning and waste removal: Regularly clean the interior of the tank to remove accumulated impurities and sediments. Also, periodically remove waste, including liquid and gas impurities from inside the tank, to maintain cleanliness and proper operation. Temperature and pressure control: The tank's temperature and pressure should be controlled within the design limits. Avoid excessive or low temperatures and pressures that could damage the tank. Regular testing and calibration: Conduct regular testing and calibration of the tank, including parameters such as liquid level, pressure, and temperature. Ensure the accuracy and reliability of the tank's measurement and control systems. Adherence to operational procedures: Strictly follow operational and safety procedures to ensure the normal operation and safety of the tank. Train operators to enhance their operational skills and safety awareness. Upgrades and updates: As needed, promptly update and upgrade tank components and equipment to meet new technology and safety requirements. Regular assessments and monitoring: Regularly assess and monitor the tank, including aspects such as structural integrity, corrosion, and safety. Take appropriate maintenance and repair measures based on assessment results. These measures can help extend the service life of carbon dioxide storage tanks and ensure their safe and reliable operation.

The cooling process for carbon dioxide storage tanks can vary depending on specific application needs and process design. Below is an example of a general cooling process for a carbon dioxide storage tank: Initial Cooling: When carbon dioxide enters the tank, it is typically initially cooled 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 to the tank 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 adjust based on the set temperature 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 the tank to minimize heat conduction. Regular Inspection and Maintenance: In the tank cooling process, regular inspection and maintenance of cooling equipment and insulation materials are required to ensure proper operation and effectiveness. This includes cleaning coolers, inspecting 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 practical applications, process design and operation should be based on specific circumstances to ensure the safety and performance of the tank. Consult an engineer or storage specialist.

Low-temperature carbon dioxide storage tanks offer several advantages: - Low-temperature storage capacity: These tanks can store carbon dioxide at low temperatures, typically between -40°C and -70°C. This low-temperature storage allows carbon dioxide to be stored in liquid form, significantly reducing the storage space required. - High storage density: Due to the liquid form of carbon dioxide 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 and renewable: Carbon dioxide is an environmentally friendly gas, with minimal harmful emissions during storage and use. Moreover, carbon dioxide can be reused through capture and recycling technologies, reducing environmental impact. - High safety: Low-temperature carbon dioxide storage tanks are made from 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, such as food and beverage, pharmaceutical, and chemical industries. They can be used for frozen food, refrigeration equipment, gas supply, and more, meeting diverse industry needs. In summary, low-temperature carbon dioxide storage tanks offer low-temperature storage capacity, high storage density, environmental friendliness, renewability, high safety, and wide application. These advantages make them an essential equipment for storing and using carbon dioxide in many industries.
Our company places great emphasis on technological innovation and R&D, boasting one city-level technical 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. Our key products and technologies, such as welding of temperature and pressure vessels, biomass boiler emissions reduction, and waste heat utilization, have successively been shortlisted 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 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 Yajiang Li of Shandong University, has developed deep cryogenic vessel processing technology using the internationally recognized plasma arc + wire filling tungsten inert gas arc welding (PAW-GTAW) technique. The provincial-level scientific and technological achievement appraisal has determined that our technology level in deep cryogenic vessel manufacturing has reached international standards. Choose Zhongjie Special Equipment, and let's create brilliance together!