# US 11,993,523 B2 · Micropore ultrasonic disintegration device for sludge cell disintegration

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- Number: US 11,993,523 B2
- Document ID: US11993523B2
- Status: Granted
- Kind: B2
- Application number: 18/367,766
- Filed: 2023-09-13
- Published: 2024-04-11
- Granted: 2024-05-28
- Earliest claimed: 2022-10-10
- Assignees: South China Institute of Environmental Sciences, MEE
- Applicants: South China Institute of Environmental Sciences, MEE
- Inventors: Mingyang Zhang; Xiaoying Hu; Zhenhan Duan; Lvmeng Ye; Jianwei Du
- Web page: https://patentgrep.com/patent/US11993523B2

## CPC

- C02F 11/15: by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves (for the purpose of heating C02F11/131)
- B01F 23/55: {the mixture being submitted to electrical, sonic or similar energy}
- B01F 27/85: with two or more stirrers on separate shafts
- B01F 27/906: with fixed axis
- B01F 27/91: with propellers
- B01F 33/83: Mixing plants specially adapted for mixing in combination with disintegrating operations
- B01F 33/8361: {with disintegrating}
- C02F 11/14: with addition of chemical agents
- B01F 2101/305: {Treatment of water, waste water or sewage}
- B01F 2215/0422: Numerical values of angles
- C02F 2303/06: Sludge reduction, e.g. by lysis
- Y02W 10/40: Valorisation of by-products of wastewater, sewage or sludge processing
- C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes)
- B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06)
- Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT

## Abstract

A micropore ultrasonic disintegration device for sludge cell disintegration is provided, including an ultrasonic treatment chamber. The ultrasonic treatment chamber is internally provided with a first stirring mechanism which includes a reciprocating lead screw. One end of the reciprocating lead screw penetrates through a top surface of the ultrasonic treatment chamber, and the other end of the reciprocating lead screw is provided with stirring blades. The ultrasonic treatment chamber is internally provided with a second stirring mechanism, a side wall of the ultrasonic treatment chamber is provided with a first opening, and an inner wall of the ultrasonic treatment chamber is provided with a switch mechanism. The switch mechanism includes a baffle plate and a second connecting rod. The side wall of the ultrasonic treatment chamber is provided with an ultrasonic generator, and the top surface of the ultrasonic treatment chamber is provided with a liquid inlet pipe.

## Claims

### Claim 1

A micropore ultrasonic disintegration device for sludge cell disintegration, comprising:
an ultrasonic treatment chamber (1), wherein the ultrasonic treatment chamber (1) is internally provided with a first stirring mechanism (2), and a driving mechanism (7) is provided on an outer top surface of the ultrasonic treatment chamber (1); the first stirring mechanism comprises a reciprocating lead screw (21) provided in a vertical direction, one end of the reciprocating lead screw (21) penetrates through a top surface of the ultrasonic treatment chamber (1) and is connected to an output shaft of the driving mechanism (7), and an other end of the reciprocating lead screw (21) is provided with a plurality of stirring blades (22); and a first slider (23) is sleeved on the reciprocating lead screw (21) for sliding up and down in cooperation with the reciprocating lead screw (21);
the ultrasonic treatment chamber (1) is internally provided with a second stirring mechanism (3), the second stirring mechanism (3) comprises a connecting block (31) fixedly provided on an inner top surface of the ultrasonic treatment chamber (1), the connecting block (31) is provided with two slide rods which are symmetrically arranged with the reciprocating lead screw (21) as a symmetric axis; each of the two slide rod (32) is arranged at an included angle of 30° with the reciprocating lead screw (21), and a second slider (33) is sleeved on the slide rod (32);
a first connecting rod (24) is fixedly provided on the first slider (23) in a horizontal direction, two second sliders (33) are connected to the first connecting rod (24) in a sliding manner, and a stirring plate (34) is fixedly provided on each second slider (33);
the stirring plate (34) is provided with a first gear ring (35) and a second gear ring (36) which are rotationally connected to the stirring plate (34), a side wall of the slide rod (32) is provided with external threads, an inner annular surface of the first gear ring (35) is provided with internal threads which match the external threads for rotating, an upper end surface of the first gear ring (35) is provided with a first stirring rod (351), teeth provided on an outer annular surface of the second gear ring (36) are meshed with teeth provided on an outer annular surface of the first gear ring (35), and an inner annular surface of the second gear ring (36) is provided with a second stirring rod (361);
wherein a lower part of the side wall of the ultrasonic treatment chamber (1) is provided with a first opening, and an inner wall of the ultrasonic treatment chamber (1) is provided with a switch mechanism (4) for controlling the opening or closing of the first opening,
wherein an upper part of the side wall of the ultrasonic treatment chamber (1) is provided with a second opening, the first opening is connected to the second opening through a return pipe (6), the return pipe (6) is provided with a sludge pump (61), and the sludge pump (61) is fixedly provided on the side wall of the ultrasonic treatment chamber (1) through a connecting rod,
wherein the lower part of the side wall of the ultrasonic treatment chamber (1) is provided with a third opening opposite to the first opening, and the third opening is provided with an other switch mechanism (4) which cooperates with the first connecting rod (24) to control an opening or closing of the third opening,
wherein the switch mechanism (4) comprises a baffle plate (41) connected to the inner wall of the ultrasonic treatment chamber (1) in a sliding manner, the baffle plate (41) of the switch mechanism is provided with a counterweight for assisting the baffle plate (41) to close the first opening, the baffle plate (41) of the other switch mechanism is provided with an other counterweight for assisting the baffle plate (41) to close the third opening, the inner wall of the ultrasonic treatment chamber (1) is provided with a second connecting rod (42) which enables the baffle plate (41) to slide by using the first connecting rod (24) to press down, one end of the second connecting rod (42) is hinged with the baffle plate (41), and a middle part of the second connecting rod (42) is hinged with the inner wall of the ultrasonic treatment chamber (1) through a rotating shaft,
wherein the side wall of the ultrasonic treatment chamber (1) at the third opening is provided with a first flow guide pipe (8) inclined to a ground side, a sedimentation tank (9) is provided below the first flow guide pipe (8), and a second flow guide pipe (81) communicating with the sedimentation tank (9) is provided at a middle part of a bottom surface of the first flow guide pipe (8);
a sealing block (82) for controlling the sludge to pass through the second flow guide pipe (81) intermittently is provided in the first flow guide pipe (8), the sealing bock (82) is hermetically connected to the first flow guide pipe (8) in a sliding manner, and the sealing block (82) is connected to the side wall of the ultrasonic treatment chamber (1) through at least one spring, and
wherein the end, away from the third opening, of the first flow guide pipe (8) is provided with a third flow guide pipe (85) communicating with the sedimentation tank (9), a top surface of the first flow guide pipe (8) corresponding to a position of the third flow guide pipe (85) is provided with a chemical agent delivery pipe (83) communicating with the inside of the first flow guide pipe (8), an upper end of the chemical agent delivery pipe (83) is provided with a chemical agent tank (84), a lower part of a side surface at one side of the sedimentation tank (9) is provided with a second liquid outlet pipe (91), and the second liquid outlet pipe (91) is provided with a valve; and
a bottom surface of the ultrasonic treatment chamber (1) is provided with a first liquid outlet pipe (12) for discharging sludge, the first liquid outlet pipe (12) is provided with a valve, a side wall of the ultrasonic treatment chamber (1) is provided with a plurality of ultrasonic generators (5) for preforming disintegration treatment on sludge cells, and the top surface of the ultrasonic treatment chamber (1) is provided with a liquid inlet pipe (11).

### Claim 2 (depends on 1)

The micropore ultrasonic disintegration device for sludge cell disintegration according to claim 1, wherein a rubber ring (25) is sleeved on the reciprocating lead screw (21) above the stirring blades (22).

### Claim 3 (depends on 1)

The micropore ultrasonic disintegration device for sludge cell disintegration according to claim 1, wherein the stirring plate (34) is arranged at an angle of 90° with the slide rod (32), and each of the plurality of stirring blades (22) is arranged at an included angle of 30° with a horizontal plane.