Gravel classifying and screening machine and gravel classifying and screening construction process
A sand and gravel and sieve machine technology, which is applied in the fields of filtration, solid separation, chemical instruments and methods, etc., can solve the problems of reducing the efficiency of sand and gravel classification sieves, and the screen mesh cannot be adjusted, so as to achieve the effect of improving sieve efficiency
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[0026] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.
[0027] see Figure 1 to Figure 4 shown.
[0028] A sand and gravel classifying screen of the present invention comprises: a frame 1, and a mesh assembly 2 fixedly installed on the frame 1 and capable of adjusting the size of the mesh.
[0029] When the sand and gravel are clamped in the mesh, the mesh size of the mesh assembly 2 is adjusted, which solves the problem that the sand and gravel need to be stopped and used tools such as crowbars to take out the sand and gravel, and improves the screening efficiency of the sand and gravel classification.
[0030] The mesh assembly 2 includes a plurality of upper crossbars 21 and a plurality of lower crossbars 22, and the plurality of upper crossbars 21 are installed in contact with the upper surface of the plurality of lower crossbars 22 at intervals to form a mesh; When the gravel is ...
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