What are the types of spray guns? According to the method of adding water to the concrete mix, there are three kinds of dry spray guns, wet spray guns, and semi-wet spray guns in between.
The dry spraying machine, according to a certain proportion of cement and aggregate, is evenly mixed, and then is blown by the compressed air blown to the nozzle and a kind of pressure water from the pressure tank to be sprayed.
Wet spraying machine, into the spraying machine is a concrete mixture has been added water. As a result, the dust content in the jet is low, and the rebound amount is also reduced. This is an ideal injection method.
Semi-wet sprayers are also called tidal type, that is, the concrete mixes have moisture contents of 5% to 8% (by volume). When the material is sprayed, the dust is reduced. Since the adhesiveness is smaller than that of the wet material, no Sticky cans are dry and wet improvements.
The dry spraying machine, according to a certain proportion of cement and aggregate, is evenly mixed, and then is blown by the compressed air blown to the nozzle and a kind of pressure water from the pressure tank to be sprayed.
Wet spraying machine, into the spraying machine is a concrete mixture has been added water. As a result, the dust content in the jet is low, and the rebound amount is also reduced. This is an ideal injection method.
Semi-wet sprayers are also called tidal type, that is, the concrete mixes have moisture contents of 5% to 8% (by volume). When the material is sprayed, the dust is reduced. Since the adhesiveness is smaller than that of the wet material, no Sticky cans are dry and wet improvements.
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