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Working Principle Of Mobile Sprayer

Zhejiang Rain Garden Plastic Co.,Ltd | Updated: Nov 28, 2017

In the narrow sense, the mobile sprayer refers to the 18 type backpack mist sprayer, powered by the 1E40F gasoline engine (1.6 horsepower), and driven by the high pressure centrifugal fan, driven directly by the engine crankshaft, rotating at the speed of 5000 R / min. The kit is a liquid storage tank and the powder storage box, only to replace the different components in the storage box. The nozzle is mainly composed of plastic parts. No matter the mist or the powder is used by the same head, the different parts can be replaced on it. Both the engine and the fan are fixed on the rack through a shock absorber to reduce the vibration of them to the frame at high speed. The mist working principle: when the crankshaft of the engine driven fan impeller rotates at a high speed, high pressure air flow generated by the blower, most of the fan outlet flow nozzle, a small part of flow through the air inlet valve, hose, filter at the surface of the medicine in the medicine storage space, applying a constant pressure of liquid, liquid in the wind pressure. Through the door, plug connector, powder water infusion tube, switch to the nozzle (so-called pressure infusion). The nozzle is located at the throat of the spray nozzle. When the air flow from the outlet of the fan is passing through here, the velocity increases suddenly due to the sudden contraction of the section, and a negative pressure is generated at the nozzle. The liquid is influenced by positive pressure and negative pressure here in the storage box, the stream from the nozzle, and the high speed airflow from the nozzle just to meet. Because of the velocity difference is great, and perpendicular to the direction of high speed air flow from the nozzle will trickle out or cut into small droplets of coarse droplet diameter in 100~150 m, and the airflow carrying far away, in the vehicle along the way, the airflow will be further dispersed fine droplets, finally settling down. The high speed airflow from the fan, most of the outlet of the fan flow to the elbow, the nozzle, and the small part of the air inlet valve into the pulverized pipe. Due to high wind speed, wind pressure, air flow from the powder blowing pipe blowing out, the powder storage box bottom blowing loose, and blown to the door (the so-called air powder powder). At the same time as the elbow most high-speed airflow through the fan outlet, causing a certain degree of vacuum in the powder nozzle, so when the door switch is open powder, the powder can fly through the door, the powder tube is sucked into the elbow, mixed with a large number of high speed air flow through the nozzle, blow to the crops.


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