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 technical personnel. 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 tanks are widely used in numerous industries. Here are some common applications: Food and Beverage Industry: Carbon dioxide tanks are used in the production of carbonated beverages, beer, soda, etc., in the food and beverage industry. Carbon dioxide is injected into the drinks to enhance their fizz and taste. Industry: In the industry, carbon dioxide tanks are utilized for applications such as anesthesia, respiration, and first aid. Liquid carbon dioxide can be used to create refrigerants for freezing and preserving biological samples and tissues. Fire Extinguishing: Carbon dioxide tanks are used in fire suppression systems in the fire service. Carbon dioxide is released into the fire scene to extinguish flames by suppressing oxygen supply. Gas Supply: Carbon dioxide tanks also supply CO2 gas for industrial and commercial use. These gases can be applied in welding, gas shielding, semiconductor manufacturing, water treatment, and more. Climate Control: Carbon dioxide tanks are used in greenhouses and indoor plant cultivation to control and increase the CO2 concentration for plant growth. Additionally, carbon dioxide tanks can be used in other industries, such as the automotive industry (for airbag systems) and industry (for propellants and gas supply). It's important to note that different industries may have varying requirements and applications for carbon dioxide tanks. When using carbon dioxide tanks, it's crucial to adhere to relevant regulations and standards, ensuring that the design, manufacturing, and use of the tanks meet the required specifications.

When using carbon dioxide tanks, the following points should be noted: Safety Operation: When using carbon dioxide tanks, it is mandatory to follow relevant safety operation procedures and standards. Operators should receive training to understand the tank's characteristics, operational requirements, and safety measures, and operate strictly according to the procedures. Tank Inspection: Regularly inspect the tank's appearance, sealing, valves, and pipeline connections to ensure the tank's integrity and safety. If any abnormalities or damage are found, they should be repaired or replaced promptly. Tank Pressure Control: The tank's pressure should be controlled within a safe range. Regularly check and calibrate pressure sensors and safety valves to ensure the normal operation of the pressure control system. Temperature Control: Carbon dioxide tanks typically need to be kept at low temperatures. Ensure the proper operation of cooling equipment, regularly check and calibrate temperature sensors to maintain appropriate storage temperatures. Leak Protection: Carbon dioxide is a gas that is prone to leakage, which can lead to safety risks and environmental pollution. Ensure the tank and pipeline sealing, regularly check and replace seals, and promptly address any leakage situations. Fire and Explosion Prevention: Avoid open flame operations near the tank to prevent fire sources from coming into contact with carbon dioxide. Maintain good ventilation around the tank to prevent the accumulation of carbon dioxide. Waste Disposal: Dispose of discarded carbon dioxide tanks or residues in accordance with relevant regulations and standards. Adhere to environmental protection requirements to ensure the safe disposal of waste and environmental protection. Regular Maintenance: Regularly maintain and inspect the tank, including cleaning and painting.

The design requirements for carbon dioxide storage tanks typically include the following aspects: Pressure Vessel Design: Carbon dioxide storage tanks are usually designed as high-pressure vessels capable of withstanding high pressure. The design must comply with relevant standards and regulations, such as Standard GB150 "Steel Pressure Vessels." Material Selection: The choice of materials for the tank should consider the properties of carbon dioxide, such as high pressure, high oxidizing, and corrosive nature. Common materials include carbon steel and stainless steel, with selection based on specific working conditions and requirements. Safety Valve and Pressure Control: The tank should be equipped with a safety valve and pressure control device to ensure internal pressure remains within a safe range. The safety valve should be selected according to design requirements and regularly inspected and tested to ensure proper operation. Insulation Performance: Since carbon dioxide needs to remain in a liquid state at low temperatures, the tank should have good insulation properties to prevent excessive evaporation of liquid carbon dioxide and energy loss. The selection and design of insulation materials and layers should consider working temperatures and environmental conditions. Leak Detection and Alarm: The tank should be equipped with leak detection devices and an alarm system, along with corresponding monitoring equipment. These devices can detect leaks in a timely manner and trigger alarms to take appropriate measures. Structural Strength and Stability: The structural design of the tank should have sufficient strength and stability to withstand internal pressure and external loads. The structural design must comply with relevant standards and regulations, such as Standard GB12337 "Design Code for Pressure Vessels." Safe Operation and Maintenance: The design of the tank should consider the ease of safe operation and maintenance, such as the placement of manholes, inspection openings, and drain ports.

二氧化碳储罐在使用过程中可能会遇到一些常见问题，需要进行维修和处理。以下是一些常见的问题和相应的维修方法： 泄漏问题：储罐可能出现泄漏，导致二氧化碳的损失和安全隐患。维修方法包括检查和更换密封件、修复或更换泄漏的管道和阀门等。 腐蚀问题：储罐的外壁和内壁可能会受到腐蚀，影响储罐的结构和安全性。维修方法包括清洗和修复腐蚀部位，涂覆防腐涂层，或者更换受损的部件。 压力问题：储罐的压力可能出现异常，过高或过低，影响储罐的正常运行。维修方法包括检查和调整压力控制系统，修复或更换压力传感器、安全阀等。 温度问题：储罐的温度可能出现异常，过高或过低，影响二氧化碳的储存和使用。维修方法包括检查和调整温度控制系统，修复或更换温度传感器、冷却设备等。 控制系统问题：储罐的控制系统可能出现故障，导致无常控制和监测储罐的运行状态。维修方法包括检查和修复控制系统的电气元件、传感器、仪表等。 需要注意的是，对于二氧化碳储罐的维修和处理，应由的技术人员进行操作，并遵循相关的安全操作规程和标准。在维修过程中，应确保储罐的安全性和稳定性，以及维修过程的安全性。好咨询工程师或储罐制造商的建议和指导。
ZJ Special Equipment adheres to the great vision of "realizing employees' dreams, creating customer value, and striving for the prosperity and strength of our motherland," focusing solely on the development of green energy equipment. We dedicate high-value products and services to society!