Keywords: spray, quenching, spray quenching tank, quenching tank, cooling, water flow, ideal quenching, steam film, hardened layer, circulation, stirring, flow guide, Spray quenching water tank,

Spray quenching tank

　　Spray quenching tank/Spray quenching water tank is a process method for quenching metal materials by spraying water flow (liquid medium) onto the workpiece, achieving rapid cooling. The intensity of the sprayed water flow can be flexibly adjusted according to the required quenching depth, and both strong and weak flows can achieve the desired quenching effect. Due to the absence of steam film on the surface of the workpiece during the spraying process, this method can obtain a deeper hardened layer compared to ordinary water quenching. This quenching tank is particularly suitable for workpieces that require local surface quenching, such as tools, molds, etc.

　　The spray quenching tank/Spray quenching water tank/spray hardening tank spray system consists of the following key components:

　　Pump circulation system: responsible for medium transportation and pressure maintenance, requiring corrosion resistance and high sealing properties

　　Mixing device: adopting top or side entry propeller structure to optimize the uniformity of medium flow

　　Guiding device: directional flow control is achieved through a guiding cylinder to avoid quenching defects caused by turbulence

Spray quenching tank

　　The spray quenching tank aims to optimize the cooling efficiency by controlling the spray parameters and equipment structure, where the nozzle layout, spray pressure, and medium flow rate have a direct impact on the quenching effect. The equipment system includes components such as pump circulation device, propeller agitator, and guide vane, and is monitored for flow velocity through turbine speedometer or pitot tube method.

　　To ensure the stability of the quenching process, the following maintenance measures need to be implemented:

　　Nozzle cleaning: Clean the sediment every 100 hours, and ultrasonic cleaning is required for areas with excessive hardness

　　Sealing testing: Pressure testing is conducted weekly at the connection between the pump body and the pipeline, with a leakage rate of less than 0.05%

　　Media monitoring: The viscosity, acidity, and impurity content of the quenching solution are tested monthly. If they exceed the standard range, they need to be replaced immediately

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