Air flotation machine for sewage treatment

Abstract

The utility model discloses an air flotation machine for sewage treatment, which comprises a casing, a first partition plate, a second partition plate, a third partition plate and a fourth partition plate are fixedly arranged in the casing, and the inside of the casing is divided into a first reaction area, a second reaction area, a dissolved air area, a separation area and a clear water area by the first partition plate, the second partition plate, the third partition plate and the fourth partition plate. According to the air flotation machine for sewage treatment, a third motor drives a second gear to rotate, a third gear is driven to rotate under the transmission action of a second chain, the third gear is driven to rotate under the transmission action of a second chain, and the third gear is driven to rotate under the transmission action of a second motor; according to the device, the first gear is driven to rotate, so that the first chain is driven to move, then the connecting strip and the elastic cleaning piece are driven to move, scum above the separation area is conveniently driven to move through the arrangement of the elastic cleaning piece, the scum is guided into the scum collecting box, and the scum is rapidly guided out through the scum discharging pipe.

Description

Technical Field

[0001] The utility model relates to the field of air flotation machines, in particular to an air flotation machine for sewage treatment. Background Art

[0002] The principle of the air flotation machine is that the dissolved air system generates a large number of fine bubbles in the water, so that the air is attached to the suspended particles in the form of highly dispersed tiny bubbles, and the buoyancy principle is used to make them float on the water surface, thereby realizing the water treatment equipment of solid-liquid separation. However, when the existing air flotation machine is used, the dissolved air water cannot fully contact with the sewage, resulting in an incomplete reaction, and it is not convenient to quickly clean the internal scum, resulting in scum accumulation.

[0003] In order to solve the above problems, an air flotation machine for sewage treatment is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide an air flotation machine for sewage treatment to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air flotation machine for sewage treatment, comprising a casing, wherein a first partition, a second partition, a third partition and a fourth partition are fixedly arranged inside the casing, and the interior of the casing is divided into a first reaction zone, a second reaction zone, a gas dissolving zone, a separation zone and a clean water zone by the first partition, the second partition, the third partition and the fourth partition, a connector and a second motor are arranged in the middle of the top of the casing, the bottom end of the connector extends to the inside of the gas dissolving zone and is rotatably connected with an air guide pipe, the surface of the air guide pipe is fixedly connected with a plurality of branch pipes, and the surfaces of the plurality of branch pipes are provided with a plurality of air outlets, a driven gear ring is fixedly arranged at the connection between the air guide pipe and the connector, the output end of the second motor extends to the inside of the gas dissolving zone and is fixedly connected with a driving gear, the driving gear is meshedly connected with the driven gear ring, two first gears are rotatably arranged at the top of one side of the inner wall of the separation zone, a first chain is meshedly connected between the two first gears, a connecting strip is fixedly arranged on the surface of the first chain, and an elastic cleaning member is fixedly connected to the bottom end of the connecting strip.

[0006] The clean water in the clean water area is introduced into the reflux pipe through the reflux pump, and the compressed air is introduced into the air outlet pipe through the air compressor, and then the compressed air and clean water are introduced into the delivery pipe through the three-way valve for mixing, thereby generating dissolved air water, and the dissolved air water is diverted to several branch pipes through the air guide pipe, and then discharged through several air outlets, thereby generating a large number of fine bubbles in the water, so that the air is attached to the suspended particles in the form of highly dispersed tiny bubbles, resulting in a state where the density is less than that of water, and the buoyancy principle is used to make it float on the water surface, and at the same time, the second motor drives the driving gear to rotate, thereby driving the driven gear ring to rotate, thereby driving the air guide pipe and several branch pipes to rotate, so that the dissolved air water can fully contact with the sewage, making the reaction more thorough.

[0007] Preferably, a reflux pump is fixedly installed at the bottom of one side of the casing, and the water inlet end of the reflux pump is fixedly connected with a water inlet pipe, and the end of the water inlet pipe away from the reflux pump extends to the interior of the clean water zone, and the water outlet end of the reflux pump is fixedly connected with a reflux pipe, and an air compressor is fixedly arranged on the top of the casing away from the reflux pump, and the air outlet end of the air compressor is fixedly connected with an air outlet pipe, and a three-way valve is fixedly connected between the air outlet pipe and the reflux pipe, and a delivery pipe is fixedly connected to the middle part of the three-way valve, and the end of the delivery pipe away from the three-way valve is connected to a connector, the clean water in the clean water zone is introduced into the reflux pipe through the reflux pump, and the compressed air is introduced into the air outlet pipe through the air compressor, and then the compressed air and clean water are introduced into the delivery pipe through the three-way valve for mixing, thereby generating dissolved air water.

[0008] Preferably, a third motor is fixedly installed on the top of the inner side of the separation zone, and the output end of the third motor is fixedly connected to the second gear, and a third gear is fixedly set in the middle of one of the first gears, and a second chain is transmitted between the third gear and the second gear, and the second gear is driven to rotate by the third motor, and the third gear is driven to rotate under the transmission action of the second chain, and then one of the first gears is driven to rotate, thereby driving the first chain to move, and then driving the connecting strip and the elastic cleaning piece to move.

[0009] Preferably, a scum collecting box is fixedly provided on the top of the fourth partition plate near the separation zone side, and the scum collecting box is arranged corresponding to the elastic cleaning piece. A scum discharge pipe is fixedly connected to the connection between the fourth partition plate and the scum collecting box, and one end of the scum discharge pipe extends to the outside away from the fourth partition plate. The scum can be easily collected through the scum collecting box and quickly discharged through the scum discharge pipe.

[0010] Preferably, a water outlet pipe is fixedly connected to the top of one side of the casing, and a drain pipe is fixedly connected to the bottom between the clean water area and the separation area, and the lower layer of clear liquid in the separation area is introduced into the clean water area through the water outlet pipe.

[0011] Preferably, a water inlet is fixedly connected to the bottom of the casing on a side away from the reflux pump, one end of the water inlet extends to the interior of the first reaction zone, and sewage is introduced into the first reaction zone through the water inlet.

[0012] Preferably, two first motors and two feed ports are provided on one side of the bottom end of the casing, the output ends of the two first motors extend to the interior of the first reaction zone and the interior of the second reaction zone respectively and are fixedly connected with agitators, the bottom ends of the two feed ports extend to the interior of the first reaction zone and the interior of the second reaction zone respectively, and flocculants and coagulants are respectively introduced into the interior of the first reaction zone and the second reaction zone through the two feed ports.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The clean water in the clean water area is introduced into the reflux pipe through the reflux pump, and the compressed air is introduced into the air outlet pipe through the air compressor, and then the compressed air and clean water are introduced into the delivery pipe through the three-way valve for mixing, thereby generating dissolved air water, and the dissolved air water is diverted to several branch pipes through the air guide pipe, and then discharged through several air outlets, thereby generating a large number of fine bubbles in the water, so that the air is attached to the suspended particles in the form of highly dispersed tiny bubbles, resulting in a state where the density is less than that of water, and the buoyancy principle is used to make it float on the water surface, and at the same time, the second motor drives the driving gear to rotate, thereby driving the driven gear ring to rotate, thereby driving the air guide pipe and several branch pipes to rotate, so that the dissolved air water can fully contact with the sewage, making the reaction more thorough;

[0015] 2. The second gear is driven to rotate by the third motor, and the third gear is driven to rotate under the transmission action of the second chain, which in turn drives one of the first gears to rotate, thereby driving the first chain to move, and then driving the connecting strip and the elastic cleaning member to move. The setting of the elastic cleaning member facilitates the movement of the scum above the separation area, guides it into the scum collection box, and quickly discharges the scum through the scum discharge pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a front cross-sectional view of the utility model;

[0018] Figure 3 It is an enlarged view of part A of the utility model;

[0019] Figure 4 It is an enlarged view of part B of the utility model.

[0020] In the figure: 1, casing; 2, first baffle; 3, second baffle; 4, third baffle; 5, fourth baffle; 6, first reaction zone; 7, second reaction zone; 8, gas dissolution zone; 9, separation zone; 10, clean water zone; 11, air guide pipe; 12, branch pipe; 13, air outlet; 14, air compressor; 15, air outlet pipe; 16, three-way valve; 17, reflux pipe; 18, delivery pipe; 19, first motor; 20, feed inlet; 21, reflux Pump; 22. Water inlet pipe; 23. Drain pipe; 24. Scum collecting box; 25. Scum discharge pipe; 26. Water outlet pipe; 27. First gear; 28. First chain; 29. ​​Water inlet; 30. Agitator; 31. Driven gear ring; 32. Second motor; 33. Driving gear; 34. Connector; 35. Third motor; 36. Second gear; 37. Third gear; 38. Second chain; 39. Connecting strip; 40. Elastic cleaning piece. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-4The utility model provides an air flotation machine for sewage treatment, comprising a casing 1, wherein a first partition 2, a second partition 3, a third partition 4 and a fourth partition 5 are fixedly arranged inside the casing 1, and the interior of the casing 1 is divided into a first reaction zone 6, a second reaction zone 7, a gas dissolving zone 8, a separation zone 9 and a clean water zone 10 by the first partition 2, the second partition 3, the third partition 4 and the fourth partition 5. A connector 34 and a second motor 32 are arranged in the middle of the top of the casing 1, and the bottom end of the connector 34 extends to the inside of the gas dissolving zone 8 and is rotatably connected with an air guide pipe 11, and the surface of the air guide pipe 11 is fixedly connected with a plurality of branch pipes 12, and the surfaces of the plurality of branch pipes 12 are all provided with a plurality of air outlets 13, and a driven gear ring 31 is fixedly arranged at the connection between the air guide pipe 11 and the connector 34, and the output end of the second motor 32 extends to the inside of the gas dissolving zone 8 and is fixedly connected with a driving gear 33, and the driving gear 33 is meshedly connected with the driven gear ring 31, and two first gears 27 are rotatably arranged at the top of one side of the inner wall of the separation zone 9, and the two first gears 27 are meshedly connected with each other. A first chain 28 is meshed and connected between the first chain 28 and the first chain 28. A connecting strip 39 is fixedly arranged on the surface of the first chain 28. An elastic cleaning member 40 is fixedly connected to the bottom end of the connecting strip 39. The clean water in the clean water area 10 is introduced into the reflux pipe 17 through the reflux pump 21, and the compressed air is introduced into the air outlet pipe 15 through the air compressor 14. The compressed air and clean water are introduced into the delivery pipe 18 through the three-way valve 16 for mixing, thereby generating dissolved air water, and the dissolved air water is diverted into a plurality of branch pipes 12 through the air guide pipe 11, and then guided out through a plurality of air outlets 13, thereby generating a large number of fine bubbles in the water, so that the air is attached to the suspended particles in the form of highly dispersed tiny bubbles, resulting in a state where the density is less than that of water, and the buoyancy principle is used to make it float on the water surface, and at the same time, the second motor 32 drives the driving gear 33 to rotate, thereby driving the driven gear ring 31 to rotate, thereby driving the air guide pipe 11 and the plurality of branch pipes 12 to rotate, so that the dissolved air water can fully contact with the sewage, and the reaction is more thorough.

[0023] A reflux pump 21 is fixedly installed at the bottom of one side of the casing 1, and a water inlet end of the reflux pump 21 is fixedly connected to a water inlet pipe 22, and one end of the water inlet pipe 22 away from the reflux pump 21 extends to the inside of the clean water area 10, and a water outlet end of the reflux pump 21 is fixedly connected to a reflux pipe 17, and an air compressor 14 is fixedly arranged on the top of the casing 1 away from the reflux pump 21, and an air outlet end of the air compressor 14 is fixedly connected to an air outlet pipe 15, and a three-way valve 16 is fixedly connected between the air outlet pipe 15 and the reflux pipe 17, and a delivery pipe 18 is fixedly connected to the middle of the three-way valve 16, and one end of the delivery pipe 18 away from the three-way valve 16 is connected to a connector. 34 is connected, a third motor 35 is fixedly installed on the top of the inner side of the separation zone 9, and a second gear 36 is fixedly connected to the output end of the third motor 35, a third gear 37 is fixedly set in the middle of one of the first gears 27, and a second chain 38 is arranged between the third gear 37 and the second gear 36 for transmission, a scum collecting box 24 is fixedly arranged on the top of the fourth partition plate 5 near the separation zone 9, and the scum collecting box 24 is arranged correspondingly to the elastic cleaning member 40, and a slag discharge pipe 25 is fixedly connected to the connection between the fourth partition plate 5 and the scum collecting box 24, and the slag discharge pipe 25 extends to the outside at one end away from the fourth partition plate 5;

[0024] When in use, the clean water in the clean water area 10 is introduced into the reflux pipe 17 through the reflux pump 21, and the compressed air is introduced into the air outlet pipe 15 through the air compressor 14, and then the compressed air and clean water are introduced into the delivery pipe 18 through the three-way valve 16 for mixing, so as to produce dissolved air water, and the second gear 36 is driven to rotate by the third motor 35, and the third gear 37 is driven to rotate under the transmission action of the second chain 38, and then one of the first gears 27 is driven to rotate, thereby driving the first chain 28 to move, and then driving the connecting bar 39 and the elastic cleaning member 40 to move, and the scum is collected by the scum collecting box 24, and the scum is quickly discharged through the scum discharge pipe 25;

[0025] A water outlet pipe 26 is fixedly connected to the top of one side of the casing 1, a drain pipe 23 is fixedly connected to the bottom between the clean water zone 10 and the separation zone 9, a water inlet 29 is fixedly connected to the bottom of the casing 1 away from the reflux pump 21, one end of the water inlet 29 extends to the inside of the first reaction zone 6, two first motors 19 and two feed ports 20 are arranged on one side of the bottom end of the casing 1, the output ends of the two first motors 19 extend to the inside of the first reaction zone 6 and the inside of the second reaction zone 7, respectively, and a stirrer 30 is fixedly connected, and the bottom ends of the two feed ports 20 extend to the inside of the first reaction zone 6 and the inside of the second reaction zone 7, respectively;

[0026] When in use, the lower layer clear liquid of the separation zone 9 is introduced into the clean water zone 10 through the outlet pipe 26, the sewage is introduced into the first reaction zone 6 through the water inlet 29, and the flocculant and coagulant aid are respectively introduced into the first reaction zone 6 and the second reaction zone 7 through the two feed ports 20.

[0027] When the embodiment of the present application is in use, sewage is introduced into the first reaction zone 6 through the water inlet 29, and flocculants and coagulants are introduced into the first reaction zone 6 and the second reaction zone 7 through the two feed ports 20 respectively. After the sewage in the first reaction zone 6 reacts with the flocculant, it is introduced into the second reaction zone 7 to continue to react with the coagulant. The two first motors 19 drive the two agitators 30 to rotate, thereby ensuring the full reaction of the sewage. The sewage treated in the second reaction zone 7 is introduced into the gas dissolution zone 8, and the clean water in the clean water zone 10 is introduced into the reflux pipe 17 through the reflux pump 21, and the compressed air is introduced into the air outlet pipe 15 through the air compressor 14, and then the compressed air and clean water are introduced into the delivery pipe 18 through the three-way valve 16 for mixing, thereby generating dissolved gas water, and the dissolved gas water is diverted to a plurality of branch pipes 12 through the air guide pipe 11, and then discharged through a plurality of air outlets 13, thereby generating a large number of fine bubbles in the water, so that the air is attached to the air in the form of highly dispersed tiny bubbles. The suspended particles are placed on the surface of the water, causing the density to be less than that of water. The buoyancy principle is used to make the suspended particles float on the water surface. At the same time, the second motor 32 drives the driving gear 33 to rotate, thereby driving the driven gear ring 31 to rotate, thereby driving the air guide pipe 11 and several branch pipes 12 to rotate, so that the dissolved air water can fully contact the sewage, making the reaction more thorough. The scum will float to the top of the separation area 9, and the clean water will sink to the bottom of the separation area 9, and will be introduced into the clean water area 10 through the drainage pipe 23 (a certain amount of clean water will be introduced into the clean water area 10 in the initial state). The second gear 36 is driven to rotate by the third motor 35, and the third gear 37 is driven to rotate under the transmission action of the second chain 38, thereby driving one of the first gears 27 to rotate, thereby driving the first chain 28 to move, and then driving the connecting bar 39 and the elastic cleaning member 40 to move. The setting of the elastic cleaning member 40 facilitates the movement of the scum above the separation area 9, and introduces it into the scum collection box 24, and quickly discharges the scum through the scum discharge pipe 25.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flotation machine for sewage treatment, comprising a housing (1), characterized in that: The interior of the housing (1) is fixedly provided with a first partition (2), a second partition (3), a third partition (4) and a fourth partition (5); the interior of the housing (1) is divided into a first reaction zone (6), a second reaction zone (7), a gas dissolving zone (8), a separation zone (9) and a clean water zone (10) by the first partition (2), the second partition (3), the third partition (4) and the fourth partition (5); a connector (34) and a second motor (32) are provided in the middle of the top of the housing (1); the bottom end of the connector (34) extends to the interior of the gas dissolving zone (8) and is rotatably connected to an air guide pipe (11); a surface of the air guide pipe (11) is fixedly connected to a plurality of branch pipes (12); the plurality of branch pipes (12) are connected to the surface of the air guide pipe (11); The surface of the tube (12) is provided with a plurality of air outlets (13); a driven gear ring (31) is fixedly provided at the connection between the air guide tube (11) and the connector (34); the output end of the second motor (32) extends to the inside of the gas dissolving zone (8) and is fixedly connected with a driving gear (33); the driving gear (33) is meshingly connected with the driven gear ring (31); two first gears (27) are rotatably provided at the top of one side of the inner wall of the separation zone (9); a first chain (28) is meshingly connected between the two first gears (27); a connecting strip (39) is fixedly provided on the surface of the first chain (28); and an elastic cleaning member (40) is fixedly connected to the bottom end of the connecting strip (39).

2. The air flotation machine for sewage treatment according to claim 1, characterized in that: A reflux pump (21) is fixedly mounted at the bottom of one side of the casing (1); a water inlet end of the reflux pump (21) is fixedly connected to a water inlet pipe (22); an end of the water inlet pipe (22) away from the reflux pump (21) extends to the interior of the clean water area (10); a water outlet end of the reflux pump (21) is fixedly connected to a reflux pipe (17); an air compressor (14) is fixedly arranged at the top of the casing (1) away from the reflux pump (21); an air outlet end of the air compressor (14) is fixedly connected to an air outlet pipe (15); a three-way valve (16) is fixedly connected between the air outlet pipe (15) and the reflux pipe (17); a delivery pipe (18) is fixedly connected to the middle of the three-way valve (16); an end of the delivery pipe (18) away from the three-way valve (16) is connected to a connector (34).

3. The air flotation machine for sewage treatment according to claim 1, characterized in that: A third motor (35) is fixedly installed on the top of the inner side of the separation zone (9), and the output end of the third motor (35) is fixedly connected to a second gear (36), wherein a third gear (37) is fixedly arranged in the middle of one of the first gears (27), and a second chain (38) is arranged between the third gear (37) and the second gear (36) for transmission.

4. The air flotation machine for sewage treatment according to claim 1, characterized in that: A scum collecting box (24) is fixedly arranged on the top of the fourth partition (5) on the side close to the separation zone (9), and the scum collecting box (24) is arranged corresponding to the elastic cleaning member (40). A scum discharge pipe (25) is fixedly connected to the connection between the fourth partition (5) and the scum collecting box (24), and one end of the scum discharge pipe (25) away from the fourth partition (5) extends to the outside.

5. The air flotation machine for sewage treatment according to claim 1, characterized in that: A water outlet pipe (26) is fixedly connected to the top of one side of the casing (1), and a drainage pipe (23) is fixedly connected to the bottom between the clean water area (10) and the separation area (9).

6. The air flotation machine for sewage treatment according to claim 1, characterized in that: A water inlet (29) is fixedly connected to the bottom of the casing (1) on the side away from the reflux pump (21), and one end of the water inlet (29) extends to the interior of the first reaction zone (6).

7. The air flotation machine for sewage treatment according to claim 1, characterized in that: Two first motors (19) and two feed ports (20) are provided on one side of the bottom end of the casing (1), and the output ends of the two first motors (19) extend to the interior of the first reaction zone (6) and the interior of the second reaction zone (7) respectively, and are fixedly connected to a stirrer (30), and the bottom ends of the two feed ports (20) extend to the interior of the first reaction zone (6) and the interior of the second reaction zone (7) respectively.

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