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With the current rapid development of major industries, the jet technology are constantly growing, and in the construction industry is also very popular, this highly intelligent products will make a lot of people contribute, complete it could not be done, this will be the reason people like the weight is very light jets, small form factor, maintenance and operation is very simple, so people are very concerned about this until this point, and this will herald the demand in the market will be growing.
In China, a few days ago due to various reasons, dry spray machine is still the main jet operating equipment. But as people’s environmental awareness and improve the quality of shotcrete, more and more into the wet concrete jet use. In large-scale water conservancy projects in a number of international tenders, such as the Ertan Hydropower Station, Yellow River Xiaolangdi Project, Second Gap projects, are wet concrete jet operations. From the 1960s, in Western countries, the wet spray technology began to implement a variety of wet concrete Jets also have developed the so-called wet spraying, the basic principle is to add water and stir well finished adding wet concrete jet, transport to the nozzle, after the formation of the material doped coagulant accelerated beam spray to construction surface, but because it is so dry mixing nozzle outer concrete mixed with water, and therefore the construction dust and rebound are large, dry spray operations generate dust hazards workers health, especially in the narrow roadway construction, dust pollution is more serious.