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A Facility Machinery (Shanghai) CO.,LTD
ADD.: No.555Mingye Road,Sheshan Industrial area,Songjiang,Shanghai
Post Code:201602
Sale:+86-21-57802859
Service:+86-21-57802760 or +86-17717366069

Tunnels spraying
详细信息:

Wet spraying machine is widely used in mining, culverts, tunnels, excavation, river slope protection and other projects in concrete construction equipment.

Dry spraying and wet spraying differences:

1. Dry spray is pumped dry material, then add water in the nozzle, spray mixture, work site dust, the builder is easy to get silicosis.

2.Wet spraying is concrete, aggregate, water, and accelerator ratio according to design uniform mixing of the spray nozzle to the pump.

Compared with the current dry spray, it has the following advantages:

1. Less dust injection process, operator health protection.

2. Less springback ,material savings

3. Because the concrete mix before the injection has been good, to ensure that the concrete mix, thus ensuring the quality of concrete. High strength shotcrete.

4. High efficiency.

5. Little pollution, environmental protection.