Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, A2-grade pressure vessel manufacturing license, A2-grade pressure vessel design license, B-grade boiler installation license, GB2 and GC2 class pressure pipeline installation licenses, and equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the council unit of the Shandong Equipment Manufacturing Association, and has passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, as well as the American ASME/U2 certification.
In the event of a carbon dioxide tank leak, immediate action should be taken as follows: Ensure personnel safety: First, ensure a quick evacuation from the leak area and keep a safe distance from potential hazards. If necessary, use appropriate personal protective equipment, such as respirators and protective suits. Cut off the gas source: As soon as possible, disconnect the source of the carbon dioxide supply to stop further leakage. Close the relevant valves or switches, or disconnect the tank. Prevent ignition sources: Ensure there are no open flames or other heat sources that could cause a fire in the leak area. If there's a fire risk, take immediate appropriate fire-fighting measures. Ventilation: Open ventilation equipment to increase air circulation, which helps dilute and expel the leaked carbon dioxide gas. Ensure the ventilation equipment is functioning properly and that the ventilation system does not introduce carbon dioxide gas into other areas. Seal the leak point: If possible, attempt to seal the leak point using suitable materials or methods to reduce or stop the leakage. This may require assistance from personnel. Notify relevant departments: Timely inform emergency, environmental protection departments, or related agencies of the leak situation and follow their instructions. Please note that handling a carbon dioxide tank leak is a dangerous task and should be performed by trained and experienced personnel. Always follow relevant safety operation procedures and guidelines during the process.

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 pressures. 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 safe limits. 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 alarm systems, along with corresponding monitoring equipment. These devices can detect leaks in a timely manner and trigger alarms, allowing for appropriate measures to be taken. 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 "Pressure Vessel Design Specifications." 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 outlets.

The reasons for not leaving a carbon dioxide tank empty for long periods are mainly as follows: 1. Safety Risks: Carbon dioxide is a high-pressure gas that must maintain a certain pressure within the tank to remain in a liquid state. Releasing carbon dioxide from the tank into the atmosphere over a long period can lead to a decrease in tank pressure, potentially causing structural failure or explosions, posing safety risks. 2. Resource Wastage: Carbon dioxide is a valuable resource with extensive applications in industry and other fields. Keeping the carbon dioxide tank empty for long periods is a waste of resources and does not align with sustainable development principles. 3. Environmental Impact: Carbon dioxide is a greenhouse gas, and leaving it empty for long periods increases its concentration in the atmosphere, exacerbating climate change and environmental issues. Therefore, to ensure safety, conserve resources, and protect the environment, carbon dioxide tanks should be used and managed according to specified procedures and requirements, avoiding long-term emptiness. When carbon dioxide in the tank is no longer needed, appropriate disposal methods should be employed, such as recycling, reuse, or safe discharge.

Low-temperature CO2 storage tanks are equipment used for storing and transporting low-temperature liquid CO2. Here are some facts about low-temperature CO2 storage tanks: Tank Structure: These tanks typically feature a double-walled design, with the inner wall for storing liquid CO2 and the outer wall for insulation. The interior is usually made of stainless steel or aluminum alloy, offering excellent corrosion resistance. Storage Temperature: The storage temperature for these tanks usually ranges from -40°C to -196°C, depending on specific application requirements. Temperature control is crucial for maintaining the stability and safety of the liquid CO2. Storage Capacity: The capacity of low-temperature CO2 storage tanks can be selected based on actual needs, ranging from a few thousand to tens of thousands of liters. The choice of capacity should consider storage requirements, supply frequency, and spatial constraints. Safety Protection: These tanks require safety protection devices such as pressure relief valves, pressure sensors, and temperature sensors to ensure internal pressure and temperature remain within safe limits. Transportation: Low-temperature CO2 storage tanks can be transported via road, rail, or ship. Proper insulation measures must be taken during transportation to maintain the low-temperature state of the liquid CO2 inside. Safe Operation: The operation of low-temperature CO2 storage tanks requires training and adherence to safety operating procedures. Operators should be familiar with the tank's characteristics and safety precautions to ensure safe and effective operation. Regular Inspections and Maintenance: These tanks need regular inspections and maintenance, including visual inspections, valve and pipeline checks, and pressure relief device checks. Regular maintenance ensures the tank operates normally and safely. The above information covers some key aspects of low-temperature CO2 storage tanks. When using and operating these tanks, it is essential to follow relevant safety regulations and standards and consult with experts to ensure safety and effectiveness.
Zhong Jie Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer products and services with high cost-performance to contribute to society!