Quenching medium cooling method for quenching tank

1, quenching medium natural cooling

rely on liquid surface heat dissipation, its heat dissipation capacity is very poor, generally only 1~3 ℃/h.

2, quenching medium water jacket cooling

The method is to set the cooling water jacket outside the quenching tank. This method has a small heat exchange area and is difficult to achieve good results. Figure 1 shows the quenching tank with cooling water jacket.

& nbsp; Figure 1 Quench Tank with Cooling Jacket

1 & mdash; Drain hole 2 1 quenching tank 3 1 cooling water jacket 4 1 cooling water overflow tank 5 1 cooling water supply pipe

 

3, quenching medium serpentine cooling

The copper pipe or steel pipe is coiled and arranged inside the quenching tank, and the cooling water is used to cool the quenching medium. Although this method has a large heat exchange area, the medium around the main cooling tank still has a large temperature difference in the center of the tank, so it is necessary to strengthen the stirring of the medium to reduce the temperature difference in the tank. Figure 2 shows a quenching tank with serpentine cooling tubes.

Figure 2 Quenching tank with serpentine cooling tubes

a) Spiral serpentine B) Wavy serpentine

 

4. Quenching tank is independently equipped with cooling circulation system. A quenching tank is independently equipped with cooling circulation system. The structure is compact and the oil storage is less. There are several structural forms as follows.

(1) The small quenching tank is equipped with a cooler. This structure directly mounts the small cooler in the oil circulation channel in the quenching tank, as shown in Figure 3.

Figure 3 Quench tank with its own cooler

1 & mdash; Top cover 2 1 evaporative gas outlet 3 1 agitator 4-circulation channel 5-heat exchanger 6 & mdash; Orange trough 7 & mdash; Emergency drain valve 8 & mdash; Medium heater 9 & mdash; Cooling water inlet 10 1 solenoid valve 11 1 cooling water outlet 12 & mdash; Connect exhaust fan

(2) The quenching tank is equipped with a cooling circulation system. Figure 4 shows an independent quenching oil tank equipped with a cooling circulation system. The tank is also equipped with a movable trolley, which can serve multiple small heat treatment furnaces.

 

Figure 4 Movable Quench Tank with Cooling Cycle

1 & mdash; oil drain valve 2 & mdash; water outlet pipe connector 3 & mdash; water inlet pipe connector 4 1 oil filter housing 5 row wheel 6 1 oil filter cover 7 & mdash; filter screen 8 & mdash; pipe plug 9 & mdash; oil pump 10 & mdash; cooling pipe clamp 11 & mdash; pipe solenoid switch 3 mdash; dash; dash; oil cooler housing 14 & mdash; motor mount 15 & mdash; motor 16 & mdash; quench tank support 17 & mdash; quench tank