Air supply requirements for salt spray test chamber
The salt spray test chamber is suitable for the salt spray corrosion test of parts, electronic hardware components, protective layers of metal materials and industrial products. The air supply requirements for the salt spray test chamber are as follows:
1. The compressed air entering the spray device should not contain any impurities such as oil and dust.
2. Measures should be taken to make the humidity and temperature of compressed air meet the requirements of operating conditions. The air pressure should be suitable for generating fine, humid, dense fog.
3. In order to prevent salt deposition from clogging the spray device, it is recommended that the relative humidity of the air at the nozzle is at least 85%. One possible method is as follows: let the air flow pass through a hot water tower that automatically maintains a constant temperature in the form of very small bubbles with a water temperature of at least 35 ° C.
4. The allowable water temperature increases with the increase of the air flow rate and the decrease of the thermal insulation of the salt spray test chamber and its environment.
5. The water temperature should not be too high, so as not to bring too much moisture into the test chamber, nor exceed the specified operating temperature.
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