Circulating water curtain type tunnel cooling and dust removing device

The invention relates to the technical field of tunnel cooling and dust removal, in particular to a circulating water curtain type tunnel cooling and dust removal device which comprises a main body support, a plurality of spraying devices, a water trapping device and a water conveying device. The moisture trapping device comprises a phase-change material interlayer and a cooling water layer, an air inlet duct is arranged in the phase-change material interlayer, and the cooling water layer covers the outer side of the phase-change material interlayer; the cooling water layer comprises a cooling water layer inlet and a cooling water layer outlet, and the cooling water layer outlet is communicated to the water outlet of the water trapping device; the water feeding device comprises a filter element, one side of the filter element is provided with a water feeding device water inlet, the other side of the filter element is provided with a water feeding motor, and the water feeding device water inlet is communicated