Natural gas drainage desanding device

The utility model relates to a natural gas drainage and desanding device. Treatment box, a partition plate is vertically arranged in an inner cavity of the treatment box body; an inner cavity of the treatment box body is divided into a desanding chamber and a drainage chamber by the partition plate; the desanding chamber is arranged on the left side of the drainage chamber; an air inlet connectorand a sand discharging pipe are transversely installed on the left side wall of the sand removing chamber. The air inlet connector is arranged at the upper part of the sand discharging pipe; the leftend of the air inlet connector is connected with an air inlet pipeline through a bolt and a flange plate. According to the utility model, gravel in gas is filtered and separated through the filter screen; moisture in the gas is condensed and separated through the condenser; the content of gravel and moisture in exhausted gas in the exhaust pipe is reduced, the influence of the gravel on the working state of gathering and t