The working process of the coal duster:
When the coal dusting machine is in operation, the piston group moves forward inside the pump cylinder. As it does so, the liquid located in front of the piston pushes the piston rubber bowl and the support backward. The flat surface of the support is attached to a flat platform, preventing the liquid from recirculating. The piston then compresses the liquid discharge ring, pushing it into the air chamber, where it is finally expelled through the spray nozzle. When the piston group moves backward, the piston rubber bowl and the support are pulled forward. During this movement, liquid is drawn between the flat platform and the support. The rubber bowl holder and the triangular support body have a passage that allows the liquid to flow from the front into the piston group. At this stage, the chemical liquid is being sucked in. The pressure regulating safety valve plays an important role in controlling the spraying pressure. If the internal pressure exceeds the spring's set limit, the chemical liquid top-opening safety valve opens, allowing the excess liquid to return to the rear of the piston group via the return pipe. Below the pressure regulating safety valve, there is a decompression handle that enables manual release of pressure. This mechanism helps reduce the force exerted on the safety valve body, allowing the liquid to flow back smoothly. The water pipe is designed with sufficient capacity, ensuring that the pressure in the system drops quickly to around 5 kg/min. A pressure indicator device continuously displays the working pressure during operation, helping operators monitor the system’s performance in real time. This ensures safe and efficient operation of the coal dusting machine.
Outdoor Table And Chair
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