In-line Profile Quenching System can achieve multi-function and differential uniform cooling of irregular aluminum profiles
The quenching system is divided into two parts: the lower quenching tank is fixed, and the upper bellows and water hood can be lifted and lowered.The entire length of the air cooling of the quenching system is configured as required, and if necessary, enhanced air cooling can be installed in the rear section.
The high-pressure water cooling and mist cooling of the quenching system are designed to be controlled in two stages. Each stage can be independently adjusted for water volume and pressure, and controlled by a linkage ball valve, thereby achieving longitudinal flow regulation of the nozzle and effectively reducing deformation of the profile;
1.There are six rows of spray heads around the extrusion center line,it is able to open, close, switch each row of sprinkler heads at will, and adjust the water output of each row of sprinkler at any time. 2.In the direction facing the extruder, the water supply quantity of the spray pipe in the up and down directions or left and right directions can be adjusted differently (spray water quantity from large to small → spray water quantity from large to small → closed). The same cooling rate is achieved at each position of the aluminum profile section after extrusion, effectively controlling the bending deformation that may occur during the quenching process. 3. Spray sequence opening and closing function during rod change: (1) During the extrusion and rod replacement process, stopping all immediately or continuing to maintain cooling spray is not an ideal method, which can lead to inconsistent longitudinal mechanical properties and bending deformation of the profile. (2) The longitudinal direction of each nozzle is divided into two sections, and the pneumatic valve is used to control the sequential opening and closing. When changing the rod to stop extrusion, close these two sections of nozzles in order from the cooling bed to the direction of the extruder; When starting extrusion after changing the rod, open these two sections of nozzles sequentially from the discharge direction of the extruder. 4. After adopting this process, the longitudinal mechanical properties of the profiles are basically consistent, and reducing bending deformation will have an immediate effect. -- There are 6 rows of air outlets around the extrusion center line, and each row of air outlets has a separate electric damper control, which can adjust the air volume arbitrarily. In the direction facing the extruder, the flow rate of the air outlets in the upper (two rows), lower (two rows) or left and right directions can be adjusted differently (the air outlet is from large to small and then closed). The cooling rate of each position of the section of the aluminum profile after extrusion is the same, and the bending deformation that may occur during the quenching process will be effectively reduced. --The air outlets in the upper, lower, left, and right directions are all misplaced, which can effectively avoid the wind force offset between the air outlets, maximize the use of wind energy, and achieve the best air cooling effect. --When changing rods, the fan can reduce the air flow according to the setting. It can arbitrarily open and close, switch each row of spray heads, and adjust the water output of each row of spray at any time. In the direction facing the extruder, the water supply of the spray pipes in the upward and downward directions or left and right directions can be adjusted. Difference adjustment (spray water volume from large to small - spray water volume from large to small - off). Each position of the aluminum profile cross-section has obtained the same cooling rate after extrusion, which effectively controls the bending deformation that may occur during the quenching process.
