The spraying machine is mainly used for slope greening. Since it was introduced into China in the 1990 s, it has quickly replaced the position of dry spraying machine and wet spraying machine due to its obvious technical advantages.

It is mainly composed of six parts: mixing tank, stirrer, engine, spraying pump, nozzle and frame. Its basic principle is that the engine is the power source of the equipment to drive the hydraulic pump to drive the hydraulic motor, so that the mechanical blade stirring device stirs the mixture in the tank; at the same time, it directly drives the spraying pump to carry out the liquid reflux circulation stirring function and the spraying function.

Specific structural composition:

The mixing tank is generally made of steel plate bending, and is mostly used for spraying machines with a volume of 1-8 cubic meters, such as most products of Qingshan Green Water. This kind of spraying equipment can meet the construction tasks of highways, mines, golf courses and other large green spaces.

2. Mixer sprayers usually use hydraulic stirring or mechanical stirring, and users can choose according to their own requirements or their own requirements. The polygonal mixing tank is equipped with a return pipe. The upper pipe is to flush the dry fibers floating on the water surface into the water, and the lower pipe is to ensure the full suspension of the mixed liquid during spraying. The mechanical stirring is controlled by an independent clutch, and the stirring force is adjusted by stepless speed change of 0~120 revolutions per minute.

The spraying pump is a diesel engine as the power source and consists of a high-pressure slurry pump and a control pipeline. Usually a pump and diesel engine direct drive sprayer, the control pipeline for the two-in, two-out or two-in three-out, through the manual ball valve and pressure limiting valve control. Equipped with starter, generator, drive clutch, etc. By adjusting the rotation speed of the pump within a certain range, the pressure and flow of the pump are realized. It is automatically unloaded through the pressure limiting valve of the return pipe during the spraying working gap, so that the pumped slurry flows back into the tank through the bypass pipe, and the suction bypass sucks clean water into the tank. The backflow intensity naturally decreases during the spraying process, and in the spraying gap, the backflow pipe plays a bypass role.

4. Sprayer equipment is generally equipped with more than two kinds of spray heads, that is, direct-current spray heads are used for long-range operations and duckbill spray heads are used for medium-range operations. In the case of close distance, fan-shaped spray guns are used. The sprinkler is also equipped with fire sprinklers and atomizing nozzles for spraying insecticides and sprinkling operations. The frame sprayer is lifted by a movable frame or directly mounted on the truck, or a movable trailer bracket. The structural design of the seeder should be considered from two aspects of user use and performance, as well as the scope of action of the seeder to adapt to the local highway slope seeding operation.

A comparison of the advantages of the technology of the spraying equipment.

The dry spraying machine is an earlier spraying equipment. Each step requires manual operation, with low efficiency, many operators, many parts and auxiliary equipment, and heavy workload. Compared with the dry spraying machine, the wet spraying machine is slightly advanced and requires higher operation technology. The inconvenience of movement does not solve the problem of more supporting equipment of the dry spraying machine. This machine is a grass planting equipment with high automation program and simple operation, the use of electrical control technology, a forklift, mixing, reflux, spraying to complete. The whole process only needs 2-3 people to operate, which is convenient to move, high efficiency and low cost.

Analysis of the Prospect of the Sprayer

With the increasingly serious problems of air pollution and haze, the state's attention to environmental governance will drive the development of the entire greening industry, which will become a policy for a period of time in the future.

In recent years, spray sowers have incomparable advantages over similar products, such as convenient movement, simple operation, high spraying efficiency and low cost, which are closely related to the vital interests of users.

As a result of the merger of small manufacturers or trading companies, the sprinkler market is mixed, but it is impossible for a variety of manufacturers to develop in the interests of customers. As new people continue to join the green industry, their demand for technology is becoming stronger and stronger, and their emphasis on pre-sales and after-sales service is particularly important, so the future will be a market dominated by the performance and technical services of the sprayer industry.