How to replace a dry air-cooling tube bundle?

The general steps for replacing a dry air-cooled tube bundle are as follows: 1. Shut down the system and drain it: Turn off the relevant equipment to ensure there is no pressure in the system, and drain the fluid inside the tubes. 2. Remove connection components: Disconnect the tube bundle from other components, such as bolts, clamps, or supports. 3. Remove the tube bundle: Use a crane or other lifting equipment to carefully remove the old tube bundle from the air cooler. 4. Install the new tube bundle: Place the new tube bundle in its original position, ensuring it is properly aligned. 5. Reconnect components: After installing the new tube bundle, reconnect the components that were removed earlier. 6. Inspection and pressure testing: After installation is complete, check whether the connections are secure, and conduct a pressure test on the tube bundle to verify there are no leaks. 7. Restart the system: Once it is confirmed that the tube bundle is properly installed with no leaks, the system can be restarted and operated normally. Due to the involvement of large-scale equipment and hazardous operations, this process is usually carried out by professionals who must strictly adhere to safety procedures. As for specific photos or plans, since various factors such as equipment models, factory layout, and specific operating procedures are involved, it is recommended to consult a specialized company that manufactures or repairs air coolers to obtain operational guidance tailored to the specific model and application. Specific photos or plans cannot be provided here. .

An air-cooled tube bundle should be a single unit; so how is it fixed to the steel structure? Is it placed on top as a whole, or are there welding points used for fixation?

The air-cooled tube bundles are usually connected to the main steel structure of the air cooler through brackets or frames. The specific methods of fixation may include the following: 1. Support bases: The tube bundles can be placed on specially designed support bases, which are connected to the main structural framework in order to bear the weight of the tube bundles as well as forces resulting from thermal expansion. 2. Clamps or fastening elements: Use clamps to secure the tube bundle, keeping it in a stable position and preventing movement due to vibrations or other external forces. 3. Bolt fixation: The ports or side ends of the tube bundle may be fitted with flanges, which are connected to the corresponding structural components using bolts. 4. Welding: In some cases, welding may be used to secure the tube bundle to the supports, but this is not a common method, as welding will make future maintenance and replacement more difficult. Typically, air-cooled tube bundles are designed to be easy to disassemble and assemble for maintenance and replacement; therefore, it is common to place them together and secure them using detachable connectors. The specific method of fixation must be determined based on the equipment’s design and the manufacturer’s specifications. When replacing the air-cooling tube bundle, it is necessary to properly remove and install the fasteners in accordance with the manufacturer’s instructions or engineering design requirements. .