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 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.
Common drawbacks of corrosion in pressure vessels during use include: - Chemical media: Certain chemical media are corrosive, such as acids, bases, and salts. When these substances come into contact with the vessel material, corrosion may occur. - Humidity and moisture: High humidity environments or prolonged exposure to moisture can lead to corrosion on the vessel surface. Particularly in the presence of oxygen, the corrosion rate may increase. - Rusting: When the protective layer on the vessel surface (such as coatings or plating) is damaged or destroyed, rusting may occur. Rusting can damage the vessel's surface and may lead to further corrosion. - Electrochemical corrosion: When different metals or metals and non-metals come into contact, an electrochemical corrosion battery may form. This type of corrosion can lead to localized corrosion on the vessel surface. - Welding defects: Defects like weld porosity and cracks may be introduced during the welding process. These defects may act as starting points for corrosion. Corrosion weakens the structural integrity of the vessel, increasing the risk of leakage or rupture. Therefore, regular inspection and maintenance of the corrosion-resistant layer, coating, or plating on pressure vessels are crucial. If corrosion issues are detected, timely measures should be taken to repair or replace the damaged parts. Furthermore, selecting appropriate materials and corrosion prevention measures, as well as proper operation and maintenance methods, can reduce the risk of corrosion in pressure vessels. Adhering to relevant safety operation procedures and standards ensures the safe operation of pressure vessels.

Carbon dioxide has several main applications in the battery industry: - Solvent in Electrolytes: Carbon dioxide can act as one of the solvents in battery electrolytes. In certain types of batteries, it can be mixed with organic solvents to enhance the performance and stability of the electrolyte. - Protective Gas in Battery Manufacturing: During the battery manufacturing process, carbon dioxide can be used as a protective gas. For instance, during assembly and encapsulation, it can replace air to prevent oxidation and corrosion of battery materials due to oxygen and moisture in the battery. - Battery Performance Improvement: Carbon dioxide can improve battery performance by altering the atmosphere within the battery. For example, by injecting carbon dioxide gas into the battery, pressure and temperature can be regulated to increase the battery's cycle life and safety performance. - Carbon Dioxide Capture and Storage: The production of batteries generates carbon dioxide emissions. Carbon dioxide capture and storage technologies can be used to reduce these emissions. By capturing and storing carbon dioxide, atmospheric emissions can be minimized, reducing environmental impact. - It is important to note that the application of carbon dioxide in the battery industry is continuously evolving and being researched. With technological advancements and innovation, carbon dioxide's application in the battery field may see more breakthroughs and developments.

Carbon dioxide tank level gauges are devices used to measure and monitor the liquid level of CO2 within a tank. Common types of CO2 tank level gauges, based on different working principles and application requirements, include: - Buoy Level Gauges: Use a floating buoy to indicate the level, measured through a mechanical linkage or electrical signal sensor connected to the gauge. - Pressure Level Gauges: Measure the level by utilizing the relationship between liquid pressure and level. The level height is calculated by measuring the pressure change on a pressure sensor. - Ultrasonic Level Gauges: Measure the level using the propagation time of ultrasound. An ultrasonic transmitter emits waves, and when the beam encounters the liquid surface, part of it is reflected back, with the level height calculated from the reflection time. - Capillary Level Gauges: Utilize the capillary principle to measure the level. The liquid rises in a narrow tube, and the level height is deduced from the rise. - Level Gauges: Measure the level by reflecting waves. A transmitter emits waves, and when the beam hits the liquid surface, part of it is reflected back, with the level height calculated from the reflection time. The application of these level gauges in CO2 tanks can be chosen based on specific needs and tank design. When selecting and installing level gauges, consider factors such as liquid properties, working environment, and precision requirements, ensuring they are compatible with the tank's safe operation and monitoring system.

Common defects in carbon dioxide storage tanks during use may include deformation. Here are some reasons that could lead to tank deformation: Overpressure: When the internal pressure of the tank exceeds its design pressure, it may cause deformation. This could be due to operational errors, system failures, or other causes. Temperature Fluctuations: Carbon dioxide storage tanks expand and contract with temperature changes, and if the temperature changes are too great or too rapid, it may result in tank deformation. Internal Corrosion: If there are corrosion issues inside the tank, the corrosion can damage the structural integrity of the tank, leading to deformation. External Damage: External impacts, compressions, or other physical damages can cause tank deformation. Incorrect Installation or Use: Incorrect installation or usage methods can lead to uneven stress on the tank, causing deformation. Tank deformation can reduce the structural integrity of the tank and even pose risks of leakage or rupture. Therefore, it is important to regularly inspect and maintain the integrity of the tank, as well as to follow proper operational and installation procedures. If tank deformation or other defects are detected, or if there is suspicion of such issues, the tank should be immediately stopped from use and professional assistance should be sought for inspection and repair. Do not attempt to repair or continue using a defective tank yourself to ensure operational safety.
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