a lower box body (1), wherein a clear water chamber (2), a motor chamber (3), a water pump chamber and a power supply chamber are provided in the lower box body (1), a motor (4) is provided in the motor chamber (3), a water pump (5) is provided in the water pump chamber, the lower box body (1) is fixedly connected with a first filtering mechanism, the water pump (5) communicates with the first filtering mechanism, a support column (6) is fixedly connected outside the lower box body (1), and a turntable (7) is fixedly connected with the support column (6); and

collection components, wherein a plurality of groups of collection components are provided, each collection component comprises a press filter, a cylinder (8) and a bottom shell (9), a transverse plate (10) is fixedly connected inside the cylinder (8), the cylinder (8) is divided into a filter pressing chamber (11) and a filtering chamber (12) through the transverse plate (10), a second filtering mechanism is provided in the bottom shell (9), the bottom shell (9) is detachably connected with the cylinder (8) and the turntable (7), a water inlet hole (13) is provided on the bottom shell (9), the water pump (5) communicates with the water inlet hole (13) through a first flexible pipe (14), the first flexible pipe (14) is detachably connected with the water inlet hole (13), the press filter is detachably connected with the cylinder (8) and communicates with the filtering chamber (12), a filtering membrane (15) is provided in the press filter, an electric telescopic rod (16) is fixedly connected with the support column (6), and the electric telescopic rod (16) is drivingly connected with the press filter;

wherein the press filter comprises an inner cylinder (17), the inner cylinder (17) is detachably connected inside the cylinder (8) and located in the filter pressing chamber (11), a piston (18) is slidably connected inside the inner cylinder (17), a push-pull rod (19) is fixedly connected with the piston (18), a first groove is provided on the inner cylinder (17), the filtering membrane (15) is placed in the first groove, a pressure ring (20) is detachably connected with the first groove, the pressure ring (20) abuts against the filtering membrane (15), a first through hole is provided on the piston (18), a first hard pipe (21) is fixedly connected with the first through hole, a first one-way valve (61) is installed on the first hard pipe (21), the first hard pipe (21) communicates with a second flexible pipe (33), and the second flexible pipe (33) communicates with the filtering chamber (12);

wherein a plurality of connecting rods (22) are fixedly connected inside the inner cylinder (17), a positioning ring (23) is fixedly connected with the connecting rods (22), the push-pull rod (19) is located in the positioning ring (23) and movably provided in the positioning ring (23), a fixed plate (24) is fixedly connected with the push-pull rod (19), a first spring (25) is provided between the fixed plate (24) and the positioning ring (23), the first spring (25) is worn on the push-pull rod (19), the filter pressing chamber (11) and the filtering chamber (12) are both provided with vents, and the vents are fixedly connected with air pipes (26);

wherein a top block (27) is fixedly connected with the top end of the push-pull rod (19), the top block (27) is provided with a first slope, a supporting plate (28) is fixedly connected with the support column (6), a push block (29) is fixedly connected with the output end of the electric telescopic rod (16), the push block (29) is provided with a second slope, the push block (29) is slidably arranged on the supporting plate (28), and an avoidance groove is provided on the push block (29);

wherein the second filtering mechanism comprises a filtering screen (30) and a filtering cotton (31), a second groove and a third groove are provided in the bottom shell (9), the filtering screen (30) and the filtering cotton (31) are both detachably connected inside the second groove, the filtering cotton (31) is located above the filtering screen (30), the side wall of the third groove is provided with threads, the outer edge of the cylinder (8) is provided with threads, the cylinder (8) is detachably connected with the third groove through the threads, a second through hole is provided on the side wall of the filtering chamber (12), a second hard pipe (32) is worn in the second through hole, the water inlet end of the second hard pipe (32) is located above the filtering cotton (31), and the second flexible pipe (33) is fixedly connected with the second hard pipe (32).