The installation of desulfurization flue gas baffle door is a technical work, which needs to follow certain steps and precautions to ensure the accuracy and safety of the installation. The following is the general installation process of desulfurization flue gas baffle door:
Preparation before installation
Check the bracket and flue：
Verify that the baffle door bracket on the flue is safe and reliable and the size meets the requirements.
Check whether the size of the flue interface matches the baffle door, and the section of the flue interface is required to be vertical.
Check the baffle door assembly：
Verify that all components of the baffle door are in good condition and the dimensions conform to the design drawings.
Inspect the seal for damage, and if any, repair or replace it.
Check that the paint is in good condition, and if any damage is repaired as required.
Installation Steps
Ground splicing installation：
Place the segmented baffle door horizontally on the square wood support with the support points on the frame around the baffle door.
Visually inspect that the butt is smooth, drive the conical pin into the pin hole, and tighten the connecting bolt at the connecting plate.
Make sure the blade turns flexibly, and then weld the connecting plate.
Baffle door body installation：
Adjust all flapper door units to level so that they are in the closed condition.
Ensure smoothness and avoid collision when hoisting.
Two lifting devices are used for intermediate lifting, and the speed of the lifting device 2 is gradually slowed down so that the baffle door is in a vertical state.
Docking with the flue to ensure that the baffle door support is firm and vertical.
Welding construction：
After the size and position are adjusted in place, carry out welding construction according to the drawing to ensure the welding quality and strength.
Auxiliary component installation：
The baffle door and the counter flange are bolted and welded by sealing.
Assemble auxiliary facilities for baffle doors, such as sealed air valves, linkage mechanisms, etc.
Anti-corrosion treatment：
The anti-corrosion of the connection between the flue and the baffle door shall be carried out according to the installation diagram of the baffle door.
For flange welds and frame parts other than insert plates, anti-corrosion treatment, such as glass flake anti-corrosion, is required.
Commissioning and Inspection
Tightness inspection：
Close the delayed desulfurization baffle door and open the sealing air valve of the desulfurization flue gas baffle door to check whether there is flue gas leakage to ensure good sealing.
Operational inspection：
Verify that the baffle door is flexible in operation, there is no jamming phenomenon, and the actuator runs normally.
Final confirmation：
Ensure that after all installation and commissioning work is completed, a full inspection is carried out again to ensure there are no omissions and errors.
Precautions
Before installation, ensure that the flue gas stops flowing in the flue and the actuator is powered off to prevent actuator malfunction.
Ensure that all welding work is performed by a qualified welder and that the welding parameters are up to standard.
Pay attention to safety during installation and use appropriate personal protective equipment.
The above steps are based on the general desulfurization flue gas baffle door installation process. The specific operation should be adjusted according to the installation manual provided by the baffle door manufacturer and the actual situation on the site. If you encounter any uncertain problems during the installation process, you should consult a professional or baffle door supplier.