Dry spray gun working principle Dry spray gun working principle is: the mixed dry material from the batching mixer discharge port (or artificial mixing and feeding) through the vibrating screen into the spraying machine, from the feeder Toggle into the material chamber of the rotor assembly. The rotor body of the material chamber is rotated to the discharge port. Here, compressed air is introduced from the gas system, and the material is blown into the discharge elbow and introduced by the cyclone to another extension. , It is a multi-headed swirling shape to blow and accelerate the material, rotate it and float it, enter the feeding hose, reach the nozzle and add proper amount of supplementary moisture, and then spray it onto the sprayed surface.
Dry spray gun operation specification 1, preparation before starting A, check whether the connecting parts of the spraying machine are firm, and whether each rotating sliding part is flexible and reliable.
B. Observe the cursor and check if the lubricating oil in the gearbox is sufficient.
C. The drive motor is connected to the power supply. The direction of rotation of the rotary motor should be the same as the direction of the arrow. Otherwise, the power supply should be phased.
D. The main air line, upper air line, lower air line, vibrator gas line and sprinkler water supply cut-off valve are closed, and the main air pipe is connected to the air source. The water supply pipe is connected to the water source, and the feed pipe is connected to the host.
E. Adjust the compression mechanism, manually pre-pressing, then use a wrench to tighten, bend the feeding pipe, open the main gas line, upper gas valve, observe the pressure gauge in the city around 0.3Mpa, rubber joint plate should be No gas spills.
2. Spraying operation First, open the main gas line, upper gas line, lower gas line stop valve, open the sprinkler water supply cut-off valve, pre-wet the surface of the rock, then start the motor, open the vibrator gas stop valve, and add the mixing in the hopper Material, start spraying operations. The nozzle operator should adjust the nozzle water supply appropriately to ensure that the material has a suitable water-cement ratio. The host operating personnel should pay attention to observing the remaining air hole on the side of the main machine. If any residual material is discharged, the air supply volume of the lower air line should be appropriately reduced. Until there is no material discharge at the remaining air outlet of the machine, the equipment will work normally.
3, stop operation before the shutdown, first stop feeding, with no spray nozzle at the material, close the water supply cut-off valve, while adding a small amount of wet gravel into the hopper, several times the hopper and the rotor material cavity flushed clean, When no material is ejected from the nozzle, turn off the motor power supply and each air shutoff valve.
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