Lifting positive pressure filter

The utility model discloses a lifting positive pressure filter, which comprises a reservoir and an electric appliance control system, and is characterized in that: a shell is arranged on the reservoir; a filtering upper cavity and a filtering lower cavity are formed in the shell; a connecting rod mechanism is connected to the filtering upper cavity; one end of the filtering lower cavity is provided with a dry cake cavity; a vacuum fan is connected in the dry cake cavity through a pipeline; circulating filter cloth is arranged between the filtering upper cavity and the filtering lower cavity and is driven by a drive system; a lifting pump and a filtering pump are arranged on the reservoir; the lifting pump is communicated with the filtering upper cavity through a pipeline; the filtering pump is communicated with the filtering lower cavity through a pipeline; and a pressure sensor is arranged in the filtering upper cavity. The utility model has the advantages that: the lifting positive pressure filter has a sim