Dishwasher filter device based on micro-nano aeration

Abstract

A dishwasher filter device based on micro-nano aeration includes a cylinder for accommodating washing liquid and a filter unit. The filter unit is in communication with an inner cavity of the cylinder by a water inlet pipe. The filter unit is connected to a micro-nano bubble generator by a third pipe. The micro-nano bubble generator is connected to a water outlet unit. The water outlet unit includes a fourth pipe connected to the micro-nano bubble generator and a dissolved air release assembly connected to the other end of the fourth pipe. The dissolved air release assembly is disposed at a bottom of the cylinder.

1 . A dishwasher filter device based on micro-nano aeration, comprising a cylinder for accommodating washing liquid and a filter unit, wherein the filter unit is in communication with an inner cavity of the cylinder by a water inlet pipe, the filter unit is connected to a micro-nano bubble generator by a third pipe, the micro-nano bubble generator is connected to a water outlet unit, the water outlet unit comprises a fourth pipe connected to the micro-nano bubble generator and a dissolved air release assembly connected to the other end of the fourth pipe, and the dissolved air release assembly is disposed at a bottom of the cylinder. 
     
     
         2 . The dishwasher filter device based on micro-nano aeration according to  claim 1 , wherein the filter unit comprises a water inlet cavity and a water outlet cavity that are in communication with each other, and the water inlet cavity is provided with a filter material. 
     
     
         3 . The dishwasher filter device based on micro-nano aeration according to  claim 2 , wherein the filter unit further comprises a filter tank with an open upper end, the water inlet cavity and the water outlet cavity are disposed in the filter tank, and the filter material comprises a coarse filter screen and a fine filter screen located below the coarse filter screen. 
     
     
         4 . The dishwasher filter device based on micro-nano aeration according to  claim 3 , wherein an oil-water separation tank is provided between the water inlet cavity and the water outlet cavity, an oil storage box is disposed in the oil-water separation tank, and an oil discharge valve is connected to the oil storage box. 
     
     
         5 . The dishwasher filter device based on micro-nano aeration according to  claim 2 , wherein the filter unit further comprises a sealed container, the water inlet cavity is disposed at an upper portion of the sealed container, the water outlet cavity is disposed at a lower portion of the sealed container, and the water inlet cavity comprises a water storage chamber in communication with the water inlet pipe and a filter material chamber in communication with the water storage chamber. 
     
     
         6 . The dishwasher filter device based on micro-nano aeration according to  claim 1 , wherein the micro-nano bubble generator comprises an air buffer tank, an air-liquid mixing pump connected to the water inlet pipe, and a jet device connected to a water outlet of the air-liquid mixing pump, the air buffer tank is respectively connected to an air inlet of the air-liquid mixing pump and an air inlet of the jet device, and a water outlet of the jet device is connected to the water outlet unit. 
     
     
         7 . The dishwasher filter device based on micro-nano aeration according to  claim 6 , wherein the dissolved air release assembly comprises an intercommunication pipe in mutual communication and a dissolved air releaser connected to the intercommunication pipe, the dissolved air releaser comprises an inlet pipe and an outlet pipe connected to the inlet pipe, a conical entrance cavity is formed inside the inlet pipe, an exit cavity in communication with the entrance cavity is formed inside the outlet pipe, and a conical lug is provided on an inner wall of the outlet pipe at a position facing the entrance cavity. 
     
     
         8 . The dishwasher filter device based on micro-nano aeration according to  claim 6 , further comprising a rotation driving device for driving washing liquid to flow, wherein the rotation driving device comprises a first motor disposed below the cylinder, a reducer connected to the first motor by a transmission mechanism, and an impeller connected to an output end of the reducer, and the impeller is disposed between a bottom wall of the cylinder and the dissolved air release assembly. 
     
     
         9 . The dishwasher filter device based on micro-nano aeration according to  claim 8 , wherein the impeller comprises a first disk and a plurality of ribs disposed on the first disk, each of the ribs has a ridge form or a propeller vane form, and has a C shape or an S shape in a radial direction of the first disk, and the plurality of the ribs are uniformly distributed in the circumferential direction of the first disk. 
     
     
         10 . The dishwasher filter device based on micro-nano aeration according to  claim 6 , further comprising a dish rack immersed in washing liquid and a vibration drive device for driving the dish rack to reciprocate linearly, wherein the vibration drive device comprises a second motor and a sine mechanism that are mounted outside a side wall of the cylinder, the sine mechanism comprises a second disk mounted on an output shaft of the second motor, a lug disposed at an edge of the second disk, a shift fork with an opening groove sheathed on the lug, and a horizontal transmission rod vertically connected to the shift fork, and the horizontal transmission rod is connected to the dish rack by a plurality of vertical rods.