Desulfurization and dust removal equipment with filter screen convenient to replace

The desulfurization and dust removal equipment comprises a dust removal box, the top of the dust removal box is provided with a connecting pipe, the bottom of the connecting pipe is communicated with a spraying head, the bottom of the spraying head penetrates through the top of the dust removal box and extends to an inner cavity of the dust removal box, the top of the left side of the dust removal box is communicated with an air inlet pipe, and the top of the right side of the dust removal box is communicated with an air outlet pipe. The bottom of the right side of the dust removal box is fixedly connected with a fixing plate. The dust removal box, the connecting pipe, the spraying head, the air inlet pipe, the fixed plate, the first fan, the first conveying pipe, the second conveying pipe, the filter box, the shell, the filter element, the sealing cover, the mounting groove, the connecting plate, the movable groove, the spring, the clamping rod, the clamping groove and the air outlet pipe are matched for use