Agricultural sprayer is a kind of machine that disperses liquids, and is a kind of pesticide application machinery, which is divided into agricultural, medical and other uses (such as industrial use). Generally, it is called a sprayer, and an engine-driven sprayer. Measure the quality index of the sprayer: 1. Droplet size, 2. Spray volume, 3. Spray amplitude and range. The operation quality of the sprayer is not only related to the machine, but also related to the use of technology (also known as pesticide application technology).

 

The sprayer is divided into liquid, pneumatic and centrifugal sprayers according to the working principle. According to the carrying method, it is divided into hand-held, backpack-type, shoulder-mounted type, pedal type, stretcher type, cart type, self-propelled type, towed type, suspension type, etc., as well as aviation sprayers. Tractor-drawn or suspended motorized sprayers are suitable for pest control of field crops, usually boom type.

 

A boom sprayer is a motorized sprayer that mounts a nozzle on a transverse boom or an erection boom. It is a kind of agricultural machinery that uses a tractor to complete the spraying operation and disperse the liquid. This kind of sprayer has high operating efficiency, good spraying quality, uniform distribution of liquid spray, suitable for spraying a large area of various pesticides, fertilizers and plant production regulators and other liquid preparations, widely used in field crops, lawns, nurseries, wall vineyards and specific occasions (such as airports, road snow melting, highway side weeding, etc.). In recent years, the operating area of field boom sprayers has accounted for more than 5% of the area of pest control in China. With the adjustment of agricultural planting structure and the improvement of scale and the rapid growth of large and medium-sized tractor market share, boom sprayer technology will play an increasingly important role.

 

1. The capacity of the liquid medicine tank is large, the spraying time is long, and the operation efficiency is high.

2. The liquid pump of the spraying machine adopts a multi-cylinder diaphragm pump, which has a large displacement and works reliably.

3. The spray rod adopts a single-point hanging balance mechanism, and the balance effect is good.

4. The spray rod adopts the tie rod turntable folding mechanism, and the lifting, unfolding and folding of the boom can be controlled by operating the hydraulic cylinder in the cab, which is convenient and labor-saving.

5. You can directly use the spray liquid pump on the machine to add water to the liquid tank, and the water filling pipeline is connected with the sprayer by quick connector, which is convenient and fast to assemble and disassemble.

6. The spraying pipeline system has multi-stage filtration to ensure that the nozzle will not be blocked during the operation.

7. The liquid medicine in the liquid medicine tank is stirred by return water jet, which can ensure that the concentration of the liquid medicine is uniform and consistent during the spraying operation.

8. The liquid medicine tank and anti-drip nozzle are made of high-quality engineering plastics.

 

The motorized spray powder sprayer is driven by the gasoline engine to drive the centrifugal fan to rotate at high speed to produce high-speed airflow to realize airflow powder transportation, air pressure infusion and pneumatic atomization. Motorized plant protection equipment powered by a gasoline engine. Its main structure: frame, centrifugal fan, gasoline engine, fuel tank, medicine tank and spraying device and other components.

1. The frame is generally made of steel pipes. At present, there are also engineering plastic frames to reduce the weight of the whole machine. The structural form of the frame, its stiffness and strength directly affect the reliability, vibration and other performance indicators of the whole machine.

2. Centrifugal fan fan is one of the important components of motorized spray duster, generally small high-speed centrifugal fan. Its function is to generate high-speed air flow, break the liquid medicine and atomize it or blow the powder away, and send it to a distant place. The air flow enters the fan from the impeller axially, and the high-speed air flow after obtaining energy flows out along the tangential direction of the impeller circumference. At present, it is divided into front bend fans and back bend fans.

3. The function of the medicine box is to hold the liquid medicine (powder) and deliver the medicine with the help of the introduction of high-speed airflow. The main components are: medicine box cover, filter case, air inlet pipe, medicine box, powder door body, powder blowing pipe, powder pipe and seals, etc. In order to prevent corrosion, its materials are mainly corrosion-resistant plastics and rubber.

4. The function of the spraying device is to transport air, powder flow and liquid. It mainly includes elbows, hoses, straight pipes, elbows, nozzles, liquid switches and infusion tubes.

5. The function of the fuel tank is to store the fuel used in the gasoline engine. The capacity is generally 1 liter. In the oil inlet and outlet of the fuel tank, the filter screen is equipped for secondary filtration to ensure that the fuel flowing into the main measuring hole of the carburetor is clean and free of impurities. An oil switch is installed at the oil outlet.