Power Drive for Liquid Circulation
The built-in high-pressure pump set in the spray cleaning machine pressurizes the cleaning medium (usually deionized water or specific chemical solutions) in the storage tank to a certain pressure value, typically ranging from 0.3 - 0.8 MPa. According to Bernoulli's principle, the pressurized liquid forms a high-speed jet through specially designed nozzle devices. The increase in flow velocity leads to a concentration of local kinetic energy, generating powerful impact forces. In industrial scenarios, the liquid column velocity at the outlet of a single nozzle can reach tens of meters per second, which is sufficient to dislodge stubborn adherents.
Multi-Directional Spray for Full Coverage
The nozzle assembly adopts a matrix arrangement strategy, incorporating spray units with various angles such as fan-shaped and conical. When a workpiece enters the cleaning area, liquid flows from different directions form a dynamic cross-network. The vertical liquid curtain from the top assists in gravity-aided penetration, the horizontal fan-shaped beams from the sides cover the side profiles, and the rotating nozzles at the bottom handle the liquid accumulation in recessed areas. This three-dimensional spray layout ensures uniform energy distribution on all exposed surfaces of the cleaned object, avoiding cleaning blind spots.
Dual Effects of Mechanical Force and Thermal Effect
The high-speed flowing liquid carries two key forces. The direct impact force loosens and dislodges contaminants, similar to the effect of sandpaper grinding but more precise. The shear stress generated by turbulence breaks the adhesive interface between contaminants and the base material. Some high-end models are also equipped with heating modules to maintain the solution at a set temperature (usually 40 - 60 °C). At this temperature, the solution viscosity decreases and molecular activity increases, accelerating the hydrolysis reaction of grease-like substances. For example, when removing lubricating grease from bearings, the temperature control system can improve the cleaning efficiency.
Filtration and Recycling for Continuous Purification
During the cleaning process, the detached particles and dissolved impurities are collected in real-time by a three-stage filtration system. The primary bag filter intercepts large particles, the precision filter cartridge removes micron-sized debris, and the activated carbon adsorbs residual organic matter. The purified processing liquid then returns to the circulation loop, forming a closed-loop system. This design not only extends the service life of the solution but also prevents the redeposition of detached contaminants on the workpiece surface, making it particularly suitable for the continuous production needs of precision electronic components.
Intelligent Control for Process Parameter Optimization
Modern spray systems integrate PLC controllers and sensor networks to achieve dynamic adjustment functions. Pressure sensors monitor the pressure fluctuations in the main pipeline in real-time and automatically compensate for the flow rate attenuation caused by nozzle blockage. Conductivity detectors monitor the concentration changes of the solution and trigger automatic proportioning to replenish fresh chemicals. Visual inspection units capture cleaning effect images through cameras and provide feedback to adjust the movement trajectory of the arm frame. This closed-loop control enables the equipment to adapt to workpieces of different shapes, sizes, and pollution levels, maintaining optimal cleaning quality stability.
Safety Interlocks for Reliable Operation
To cope with abnormal operating conditions, the system is equipped with multiple protection mechanisms. When the door cover is opened, the high-voltage power supply is immediately cut off to prevent personnel from contacting pressurized pipelines. Liquid level sensors monitor the liquid level in the storage tank, and the equipment automatically shuts down and alerts when the level is below the safety threshold. Overload protection devices monitor the motor current to avoid equipment damage caused by mechanical jamming. These safety designs enable the spray cleaning machine to operate reliably in unattended modes and minimize the risks associated with human misoperations.
Through the organic integration of the above technologies, spray cleaning machines can achieve efficient, low-consumption automated production while ensuring cleaning effects. They are widely used in fields such as semiconductor manufacturing, automotive part processing, and medical device cleaning. With the development of Internet of Things technology, new-generation equipment is evolving towards predictive maintenance and adaptive optimization, further enhancing the level of intelligent manufacturing.
