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 and GC2/Class pressure pipeline installation licenses, as well as a mechanical and electrical equipment installation contracting qualification. It is a member of the China Boilers and Water Treatment Association, the China Chemical Equipment Association, and the Council Unit of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the American ASME/U2 certification.
The liquid level of carbon dioxide tanks will vary depending on specific design and usage requirements. Generally, the liquid level in carbon dioxide storage tanks is typically maintained between 80% and 95%. There are several reasons for keeping the tank level within this range: - Space retention: Maintaining a certain liquid level provides steam space inside the tank to prevent overpressure and the risk of tank explosion. - Storage capacity: Keeping a higher liquid level maximizes the tank's capacity, allowing for more carbon dioxide storage. - Stable supply: Maintaining an appropriate level ensures a stable supply of carbon dioxide to meet usage needs. However, specific level requirements may vary depending on different applications and industries. When using carbon dioxide tanks, it is essential to follow the manufacturer's recommendations and relevant regulations and standards to ensure the tank's liquid level is controlled within a safe and suitable range.

When filling liquid carbon dioxide into storage tanks, attention should be given to the following aspects: Safety Operation: During the filling process, it is mandatory to follow relevant safety operation procedures and standards. Operators should receive training to understand the operational requirements and safety measures of the filling equipment and operate strictly according to the procedures. Tank Inspection: Before filling, the tank must be inspected to ensure its integrity and safety. Check the tank's appearance, sealing, valves, and pipeline connections, and repair or replace them promptly if any abnormalities or damage are found. Filling Equipment: Select appropriate filling equipment, ensuring it meets relevant standards and requirements. The filling equipment should have a safe and reliable design and operational function to ensure the safety and efficiency of the filling process. Filling Rate Control: Controlling the filling rate is crucial. Excessive filling speed can lead to high tank pressure, increasing safety risks. The filling rate should be controlled according to the tank's capacity and design requirements to ensure safe filling. Pressure Control: During the filling process, the tank's pressure must be strictly controlled. The filling equipment should be equipped with pressure sensors and safety valves to ensure the internal pressure of the tank remains within a safe range. Leak Protection: During the filling process, it is essential to ensure the sealing of valves and pipelines to prevent the leakage of carbon dioxide. Regularly inspect and replace seals, and promptly address any leakage situations. Monitoring and Recording: Real-time monitoring and recording of key parameters, such as pressure, temperature, and liquid level, should be carried out during the filling process. This helps to identify abnormalities promptly and make corresponding adjustments and treatments. It is important to note that only operators trained to handle liquid carbon dioxide storage tanks should operate them, following relevant safety operation procedures and standards. Seek advice and guidance from experts.

Carbon dioxide tank level gauges are devices used to measure and monitor the liquid level of carbon dioxide within the tank. Depending on different working principles and application requirements, common carbon dioxide tank level gauges include the following types: - Buoy Level Gauges: Use the floating and sinking of a buoy to reflect the level of the liquid. The level is measured through a mechanical device or an electrical signal sensor connected to the buoy. - Pressure Level Gauges: Measure the level using the relationship between liquid pressure and the liquid level. The level height is calculated by measuring the pressure changes on the pressure sensor. - Ultrasonic Level Gauges: Utilize the propagation time of ultrasound to measure the level. An ultrasonic transmitter emits sound waves, and when the beam encounters the liquid surface, some of the beam is reflected back. The level height is calculated by measuring the reflection time. - Capillary Level Gauges: Use the capillary principle to measure the level. By inserting a thin tube into the liquid, the liquid rises in the tube. The level height is calculated based on the rise of the liquid. - Level Gauges: Measure 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 level height is calculated by measuring the reflection time. These level gauges can be applied to carbon dioxide tanks based on specific requirements and tank design. When selecting and installing level gauges, consider factors such as liquid properties, working environment, and precision requirements, and ensure they are compatible with the tank's safe operation and monitoring system.

The working principle of a carbon dioxide storage tank involves the compression and liquefaction of carbon dioxide. Here is a brief description of the working principle of a carbon dioxide storage tank: Compression: The 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 through the coolant or cooling system within the cooler. This process cools the gas to temperatures below its boiling point, converting it into a liquid. Storage: The cooled carbon dioxide liquid is stored in a sealed tank, which typically has an insulating layer to reduce the evaporation of liquid carbon dioxide and maintain a low temperature. The internal pressure of the tank is maintained within a certain 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 pipeline 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 important to follow the operation manual and safety guidelines, and to cooperate with local regulatory agencies and personnel to ensure the safety and reliability of the tank.
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