Separating and desanding device

The utility model relates to the technical field of gas well desanding equipment, in particular to a separation desanding device, which comprises a separator, an inlet, an outlet and a drain outlet are arranged on the separator, the inlet is connected with a separation device, a guide plate capable of enabling introduced fluid to generate spiral motion is arranged on the inner wall of the separator, a filter screen is mounted in the separator, and the filter screen is connected with a filter screen. Compared with the prior art, according to the technical scheme, the filter screen is arranged in the separator, fluid is filtered by the filter screen when being discharged to the outlet, and on the premise that the separating and desanding functions of the separator are not affected, the fluid can be filtered by the filter screen, so that the separation and desanding functions of the separator are greatly improved. Gravel and impurities doped in fluid are further filtered, and the separation effect of the separat