Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, a B-grade boiler installation license, and GB2/Class, GC2/Class pressure pipeline installation licenses, as well as a mechanical and electrical equipment installation contracting qualification. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the council member of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the ASME/U2 certification.
Carbon dioxide storage tanks feature the following characteristics: - High-pressure Storage: These tanks are typically used for high-pressure storage and can withstand significant pressure. The CO2 inside the tank exists in a gaseous or liquid state, with pressure usually ranging from tens to hundreds of MPa. - High-density Storage: When stored in a liquid state, CO2 has a higher storage density. Compared to gaseous storage, liquid storage can hold more CO2 in a smaller tank, enhancing storage efficiency. - Corrosiveness: CO2 has some corrosive properties, which can erode certain materials. Therefore, storage tanks are usually made of corrosion-resistant materials like stainless steel or alloy steel to ensure durability and safety. - Temperature Sensitivity: CO2 is in a gaseous state at room temperature but can turn into a liquid at lower temperatures. Thus, storage tanks often need to have good insulation to maintain low internal temperatures. - Safety Protection: Storage tanks are equipped with safety valves and pressure relief devices to control internal pressure and temperature, ensuring safety during storage. Additionally, they must have excellent sealing properties to prevent leaks. - Wide Application: Carbon dioxide storage tanks are widely used in various industries such as food and beverage, pharmaceutical, and chemical industries. They can be used for freezing food, refrigeration equipment, gas supply, and more, meeting diverse industry needs. - In summary, carbon dioxide storage tanks possess high-pressure storage, high-density storage, corrosiveness, temperature sensitivity, safety protection, and wide application. These features make them essential equipment for storing and using CO2 in many industries.

When using a 50-cubic-meter liquid oxygen tank, the following safety concerns should be noted: Fire and Explosion Prevention: Liquid oxygen is highly oxidizing and can support combustion. Therefore, avoid contact and ensure there are no open flames or other ignition sources nearby. Ventilation: Evaporation of liquid oxygen produces a large amount of oxygen, so good ventilation around the tank is essential to prevent oxygen buildup and explosive hazards. Avoid High Temperatures: Liquid oxygen can cause combustion or explosion when in contact with high-temperature objects. Thus, avoid exposing the liquid oxygen tank to high-temperature environments or contact with hot objects. Pressure Control: The liquid oxygen tank should be used according to its designed pressure and flow rate, avoiding exceeding its capacity. Regularly inspect and maintain the safety valve to ensure proper operation and prevent overpressure. Corrosion Prevention: Regular inspections and maintenance of the liquid oxygen tank are necessary to prevent corrosion, especially on the tank surface and contact areas. Keep these areas dry and clean to avoid corrosion. Safe Operation: Operators should receive relevant training to understand the safety procedures and standards for operating the liquid oxygen tank. Follow correct operational procedures, wear personal protective equipment, and ensure safe operations. Emergency Preparedness: Establish an emergency response plan and equip with appropriate fire extinguishing and first aid equipment when using the liquid oxygen tank. Operators should be familiar with emergency procedures and able to respond quickly to emergencies. Note that the above safety concerns are general recommendations. Specific safety operations should be based on the design and usage requirements of the liquid oxygen tank. Before using the liquid oxygen tank, it is recommended to refer to relevant safety operation manuals and guidelines to ensure safe operation.

Carbon dioxide tank level gauges are devices used for measuring and monitoring the liquid level of CO2 within the tank. Depending on different working principles and application requirements, common types of CO2 tank level gauges include the following: - Buoy Level Gauge: Uses the buoyancy of a float to indicate the level of liquid. The level is measured through a mechanical device or electrical signal sensor connected to the float. - Pressure Level Gauge: Measures the level by utilizing the relationship between liquid pressure and the level. The liquid's pressure change on the pressure sensor is used to calculate the liquid level height. - Ultrasonic Level Gauge: Measures the level by using the propagation time of ultrasound. An ultrasonic transmitter emits waves, and when the beam encounters the liquid surface, some of the beam is reflected back. The liquid level height is calculated by measuring the reflection time. - Capillary Level Gauge: Utilizes the capillary principle to measure the level. By inserting a thin tube into the liquid, the liquid rises within the tube, and the liquid level height is calculated based on the rise. - Level Gauge: Measures the level by reflecting waves. The transmitter emits waves, and when the beam encounters the liquid surface, some of the beam is reflected back. The liquid level height is calculated by measuring the reflection time. The application of these level gauges in CO2 tanks can be selected based on specific needs and tank design. When selecting and installing level gauges, factors such as liquid properties, working environment, and precision requirements should be considered, and it must be ensured that they are compatible with the tank's safe operation and monitoring system.

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。
Our company places great emphasis on technological innovation and R&D design. We possess a municipal-level enterprise technology center in Heze City, equipped with test facilities for non-destructive testing,理化 analysis, welding, hydrostatic testing, and more. We have over 600 various instruments and equipment, including CNC machines, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property test machines, chemical analyzers, spectrometers, tensile test machines, plasma welders, etc. Our key products, such as welding of temperature-pressure vessels, biomass boiler emissions reduction, and waste heat recovery, have been successively shortlisted 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累计 obtained 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technology for deep-chilled vessel processing developed in collaboration with Professor Yajiang Li from Shandong University by our technical team has adopted the internationally recognized plasma arc+filling wire argon arc welding (PAW-GTAW) technology and has been appraised at the provincial level as reaching international standards in the field of deep-chilled vessel manufacturing. Choose Zhongjie Special Equipment, let's work together to create brilliance!