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What is the difference between a hydraulic wet shotcrete machine and a rotor wet shotcrete machine?

Date:2021-05-31     Label:

wet shotcrete machine

shotcrete machine

hydraulic wet shotcrete machine

The concrete wet shotcrete machine is an equipment used for wet shotcrete. It mainly uses fluid power to transport the premixed concrete through a pipeline and spray it to the sprayed surface at high speed, relying on the continuous impact and compaction of cement and aggregate during the spraying process. The formation of a concrete support layer is the core equipment for tunnel construction.

Concrete wet shotcrete machine is a kind of concrete shotcrete machine anchor support equipment. Compared with concrete dry shotcrete machine and tide shotcrete machine, concrete wet shotcrete machine has high efficiency of shotcrete construction, less operating dust and less ejection rebound. It has significant advantages such as protecting the working environment, saving raw materials, high concrete strength, and convenient operation and maintenance.

Commonly used concrete wet shotcrete machine are generally divided into hydraulic wet spraying machines and rotor wet shotcrete machine. What is the difference between a hydraulic wet shotcrete machine and a rotor wet shotcrete machine? The hydraulic wet shotcrete machine adopts hydraulic pumping type, and the amount of sprayed concrete and the addition amount of accelerator can be adjusted. The working principle of the hydraulic wet shotcrete machine: using the pressure of the pumping system to send the dense flow material from the conveying pipe to the mixed flow pipe, form a thin stream by compressed air and send it to the nozzle through the pipe, and add a certain proportion of accelerator at the nozzle. A three-in-one machine, electric and hydraulic equipment that directly sprays on the spray surface.

The rotor type wet shotcrete machine adopts a mature rotor piston cam feeding mechanism, and three material cavities are fed radially at the same time to realize uniform and thin flow transportation in the plastic concrete pipeline. The working principle of the rotor wet shotcrete machine: the commercial concrete is uniformly sent to the air-material mixing bin through the wet shotcrete feeding system, mixed with the high-pressure air, and then passed through the jet pipe to the nozzle in a thin flow state; the liquid accelerator is pumped out The liquid accelerator is mixed with high-pressure air through an atomizer, and is atomized until the nozzle mixing ring is mixed with the concrete in a thin flow state, and sprayed from the nozzle to the spray surface.

The rotor type wet shotcrete machine has a strong applicability to materials. The fly in the ointment is that the rotor type wet shotcrete machine has a certain use period for the wearing parts during the construction process, while the hydraulic wet shotcrete machine basically has no easy time during use. At the same time, the requirements for concrete are higher, and the work efficiency is also improved to a certain extent. This is one of the reasons why the price of hydraulic wet shotcreting machine is higher than that of rotor type wet shotcreting machine.

In the process of purchasing concrete wet shotcrete machine, you must choose according to the construction environment and requirements. The price of concrete wet shotcreting machine is much higher than that of dry concrete shotcrete machine, but it will save manpower and material resources to a greater extent. , Improve work efficiency and reduce construction costs. With this advantage, wet concrete shotcrete machine are widely used in subways, tunnels, slopes and other constructions. The wet concrete shotcrete machine is widely used in the construction of the sprayed concrete supporting operation in the construction of railway tunnels, highway tunnels, water conservancy culverts, mine roadways, dam slopes, building foundation pits and military engineering.

What is the difference between a hydraulic wet shotcrete machine and a rotor wet shotcrete machine?

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