Structure and installation precautions for compound salt spray corrosion tester
The internal structure of the salt spray test machine:
Spray tower: The built-in glass nozzle is placed inside the nozzle, and the spray is dispersed into the test chamber via the tower guide and then through the cone disperser.
Spray regulator: adjust the amount of spray, increase the spray volume, reduce the spray volume reduction. The salt water preheating tank is located at the bottom of the spray tower. The brine of the tank is injected into the preheating tank via the brine supplement bottle. The water level of the preheating tank is controlled by the float ball, and the water level can be automatically controlled. The bottom of the tank has a drain for cleaning. Rubber stopper control.
Collector: The amount of fog sprayed from the nozzle is freely falling into the 80 cm square funnel cup, which is then flowed into the metering cup.
Wet ball cup: L-shaped wet cup is a container that uses moisture fashion water.
Shelf: This frame is made of plastic steel, so the weight of the workpiece is not limited to 2 kg. If it is dispersed, it can withstand less than 10 kg. There are two rows of round holes on both sides of the rack, which are used for placing the objects in the vertical plane at 15 degrees and 30 degrees.
Filter: Used to filter the tannin in the brine, glass filter or plastic filter.
Heating the water tank: This water tank is attached to the bottom of the test room for water heating and keeping the temperature of the test chamber stable, and its function is heating and moisturizing.
Salt spray test machine external structure:
Dry and wet bulb thermometer: The temperature and humidity in the test chamber can be calculated by the dry and wet bulb comparison table.
Metering barrel: Collect the amount of spray for each test, 50 ml scale.
Insulate the sink: Use the water seal principle to avoid leakage of salt spray.
Saturated air tank: placed at the bottom of the control box, fully enclosed, its function is to warm and humidify the air through the barrel, so that the air reaches saturated humidity and then spray to the nozzle.
Brine refill bottle: Automatically replenish the salt solution of the brine preheating tank.
Test cover: roof-type beveled 100-bottom perspective cover for covering the top of the test chamber.
Pressure regulating valve: When the air pressure is too high or too low, the valve is adjusted by the pressure calendar display (test condition 1kg/cm2)
Pressure gauge: The pressure displayed by the pointer of this watch is the pressure reached by the air passing through the saturated air bath and reaching the nozzle. (Test conditions 1kg/cm2)
Exhaust pipe: 1 inch half-diameter pipeline: the drainage pipe is connected to the water to discharge the sewage, so that the waste water is discharged.
Inlet: Replenish the water in the laboratory and saturated tub to normal use.
Salt spray test machine control system:
Laboratory temperature control: control the temperature of the test chamber, set according to the standard temperature and temperature, and the salt test is 35 degrees. Corrosion resistance test 50 degrees
Saturated air tank temperature controller: and control the temperature of the saturated air tank, temperature setting, salt test 47 degrees. Corrosion resistance test 63 degrees
Timer: Adjustable 0.1-9999hr can be used to set the time required for the test, and it will stop automatically.
Accumulator: 0-9999hr accumulation of test time.
Salt spray test: the laboratory temperature controller is set to 35 degrees, and the pressure tank temperature controller is set to 47 degrees.
Corrosion resistance test: the temperature controller of the laboratory is set to 50 degrees, and the temperature controller of the pressure tank is set to 65 degrees.
Laboratory over temperature controller: When the temperature of the test chamber is too high, the heater power supply can be cut off to stop heating and protect the PVC board (located in the control box).
Pressure tank over-temperature controller: When the temperature of the cylinder is too high, the heater power supply can be cut off to stop heating and protect the PVC board (located in the control box).
Power switch: Illuminated rocker type, control the total power of the whole machine.
Operation switch: illuminating the rocker, controlling the heating system of the test chamber heating tank and the saturated air tank.
Timer switch: Illuminated rocker type, control the power of the time controller.
Left low water level warning light, the water level of the heating tank is lower than the lower limit, then the light is on and the electric operating system is cut off.
Right low water level warning light: When the water in the saturated barrel is at the lower limit, this light is on and the operating system is cut off.
Spray switch: Illuminated rocker type, control spray system.
Defogging switch: Illuminated rocker type, control defogging system.
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