90 Hydraulic double nozzle wet spraying machine is a mechanical equipment used for concrete spraying operations. It adopts hydraulic drive, strong power and stable performance. Through the simultaneous operation of two nozzles, the spraying efficiency can be improved. It is widely used in mines, shafts, roads, railways, infrastructure, hillsides, bridges and tunnels and other projects. It uses the thrust of the hydraulic pump to make the oil cylinder move alternately to feed the material, and then spray it to the sprayed surface after compressed air and the accelerating coagulant at the nozzle. The equipment has stable performance, few wearing parts and low maintenance cost. It has a high degree of automation and simple operation. The delivery volume can be adjusted as needed, and the amount of accelerating coagulant added can be adjusted steplessly. It is equipped with an automatic lubrication system to extend the life of the equipment. In addition, the hydraulic concrete spraying machine is compact and has a wide range of applications. It has small pulsation, good continuity, large spraying volume, strong power, energy saving, environmental protection, time saving and labor saving. It is the best choice for infrastructure construction in the new era.