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Principle of wet spray trolley

Release time:

2022-12-11 23:58

Source:

Saner Heavy Industry

At present, wet spray trolley is widely used in railway, highway tunnel, water conservancy and hydropower, subway, mine roadway, military facilities, various underground buildings, emergency rescue and so on. The main technology of the wet spray trolley is to use liquid pressure to send the prefabricated cement to the nozzle through the pipe, then inject compressed gas and accelerator at the nozzle, and then spray the cement to the sprayed surface at a very fast speed, and then quickly Solidify and solidify, thus forming a new type of concrete support structure. The two operations of feeding and shotcrete are completed by the machine, which completely eliminates the health damage to workers caused by dust generated by manual mixing and feeding. Low rebound rate and good shotcrete surface greatly increase the footage of the drilling rig and significantly improve the working speed.

The working principle of wet spray trolley:

Wet cement jetting trolley is an indispensable mechanical equipment in the construction of various tunnels and rock walls. The wet spray cement trolley is composed of eight systems: spray system, power traction system, frame device, feeding system, hydraulic system, accelerator adding system, electrical control system and high pressure cleaning system.

The wet jet cement trolley is a four-wheel drive engineering vehicle, and its parts have good general performance. On the whole, it has low fuel consumption, high power, reliable work, easy supply and maintenance of accessories. The pumping station has the advantages of low energy consumption, high efficiency, low failure rate, few vulnerable parts, low maintenance cost, reliable system operation and strong carrying capacity. The spray device is based on a single nozzle or multiple nozzles to increase the working efficiency of the operation. The feeding amount can be continuously adjusted, and the injection amount can be adjusted arbitrarily, it is also equipped with a self-contained lubricating device to automatically refuel the main sealing parts, which can realize the automatic control of the amount of oil and the filling time, which greatly improves the service life of the easy-to-wear parts.

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