CN211813607U - A sewage air flotation separation and purification device - Google Patents

Abstract

The utility model provides a sewage air flotation separation and purification device, comprising: a casing, an impurity discharge mechanism and an air intake mechanism, the impurity discharge mechanism is located on the casing, the impurity discharge mechanism comprises a first rotating shaft, and the first rotating shaft The end is installed inside the casing, the outer wall of the second rotating shaft is fixed with a stirring rod, the second belt is located outside the casing, and the second rotating shafts are connected to each other by a third belt. The sewage air flotation separation and purification device provided by the utility model is provided with an impurity discharge mechanism. Through the reversal of the motor, the push plate can be reversed along with the first belt, so that the floating floc impurities can pass through the discharge. The miscellaneous port is pushed to the inside of the collection box, which facilitates the collection of impurities in the sewage, and the motor rotates at the same time to drive the stirring rod to rotate, so that the stirring rod can speed up the adsorption of impurities and flocculants in the sewage, thereby accelerating the sewage. processing speed.

Description

A sewage air flotation separation and purification device

technical field

The utility model relates to the field of sewage treatment equipment, in particular to a sewage air flotation separation and purification device.

Background technique

The pollutants in sewage are mainly divided into dissolved organic matter and insoluble matter. Dissolved organic matter can be converted into insoluble matter under certain conditions. One of the methods of sewage treatment is to add coagulants and flocculants to make large Part of the dissolved organic matter is converted into insoluble substances, and then all or most of the insoluble substances are removed to achieve the purpose of purifying sewage, and the main method of removal is to use air flotation; the sewage after dosing reaction Enter the air flotation mixing area, mix with the dissolved air and water after release, so that the flocs adhere to the fine air bubbles, and then enter the air flotation area; the flocs float to the water surface under the action of air buoyancy to form scum, and the clear water in the lower layer It flows to the clear water tank through the water collector, and then flows out through the overflow port; after the scum on the water surface of the air flotation tank accumulates to a certain thickness, it is scraped into the air flotation machine sludge tank by the scraper and discharged.

However, the existing sewage air flotation separation and purification device is inconvenient to take out impurities, and the bubbles generated by the dissolved air release device cannot be well and evenly distributed inside the device, and the flocculant cannot fully react with sewage, resulting in The efficiency of sewage treatment is slow.

Therefore, it is necessary to provide a sewage air flotation separation and purification device to solve the above technical problems.

utility model

The utility model provides a sewage air flotation separation and purification device, which solves the problem that the existing sewage air flotation separation and purification device is inconvenient to take out impurities, and the bubbles generated by the dissolved air releaser cannot be well and uniformly distributed in the device. internal, and the flocculant cannot fully react with the sewage, resulting in the problem that the efficiency of sewage treatment is slow.

In order to solve the above technical problems, the utility model provides a sewage air flotation separation and purification device, comprising: a casing, an impurity discharge mechanism and an air intake mechanism, the impurity discharge mechanism is located on the casing, and the impurity discharge mechanism includes a first rotating shaft , the end of the first rotating shaft is installed inside the casing, a first belt is arranged between the first rotating shafts, the outer wall of the first belt is fixed with a push plate, and the end of the first rotating shaft is connected with a The motor, the motor is installed on the outer wall of the casing, the end of the first belt is provided with a trash outlet, the trash outlet is opened on the side of the casing, and the bottom of the side of the casing is provided with a collection box, so A second rotating shaft is installed inside the casing, a stirring rod is fixed on the outer wall of the second rotating shaft, and the stirring rod and the first rotating shaft are connected to each other by a second belt, and the second belt is located outside the casing, so The second rotating shafts are connected to each other by a third belt.

Preferably, the air intake mechanism is located on the casing, the air intake mechanism includes a first pipe, the first pipe is installed on the inner side of the bottom of the casing, and an exhaust hole is reserved on the top of the first pipe, and the The side of the first pipe is provided with a second pipe, and the second pipe penetrates through the interior of the casing and is connected to the dissolved gas releaser.

Preferably, the outside of the casing is provided with a clean water collection tank, the inside of the clean water collection tank is connected to the bottom of the inside of the casing through a third pipe, and a water pump is installed on the third pipe, and the water pump is located in the clean water tank. The top of the water collection tank.

Preferably, a water injection pipe and a drug injection pipe are respectively provided on the side of the casing, and the water injection pipe is located below the drug injection pipe.

Preferably, the push plates are equally spaced outside the first belt, and the first belt and the push plate are designed to be perpendicular to each other.

Preferably, the vertical section of the trash discharge port is designed in a trapezoid structure, and the central axis of the trash discharge port and the central axis of the first belt are mutually coincident.

Preferably, the stirring rods are equiangularly distributed with respect to the central axis of the second rotating shaft, and there are two second rotating shafts.

Preferably, the first pipe is designed in a field-shaped structure, and the exhaust holes on the first pipe are equally spaced.

Compared with the related art, the sewage air flotation separation and purification device provided by the utility model has the following beneficial effects:

The utility model provides a sewage air flotation separation and purification device,

1. There is an impurity removal mechanism. Through the reversal of the motor, the push plate can be reversed with the first belt, so that the floating floc impurities can be pushed to the inside of the collection box through the impurity discharge port, which is convenient for It is the collection of impurities in the sewage, and the rotation of the motor can drive the stirring rod to rotate, so that the stirring rod can speed up the adsorption of impurities and flocculants in the sewage, thereby speeding up the speed of sewage treatment.

2. An air intake mechanism is provided, and the first pipe is designed as a field-shaped structure. The exhaust holes on the first pipe are equally spaced, so that the air bubbles discharged from the exhaust holes can be evenly distributed in the sewage, so that the The flocs can float up, thereby speeding up the efficiency of sewage treatment.

Description of drawings

1 is a schematic structural diagram of a preferred embodiment of a sewage air flotation separation and purification device provided by the utility model;

FIG. 2 is a schematic view of the structure of the first pipe shown in FIG. 1 when viewed from the outside;

FIG. 3 is a schematic structural diagram of the installation of the first rotating shaft shown in FIG. 1;

Figure 4 is a schematic structural diagram of the installation of the second belt shown in Figure 3;

FIG. 5 is a schematic view of the internal structure of the first pipe shown in FIG. 1 when viewed from above.

Labels in the figure: 1, shell; 2, first shaft; 3, first belt; 4, push plate; 5, miscellaneous outlet; 6, collection box; 7, motor; 8, second belt; 9, second Rotating shaft; 10, stirring rod; 11, third belt; 12, first pipe; 13, exhaust hole; 14, second pipe; 15, dissolved air release device; 16, clean water collection box; 17, third pipe ; 18, water pump; 19, water injection pipe; 20, dosing pipe.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and embodiments.

Please refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5, wherein, Figure 1 is a schematic structural diagram of a preferred embodiment of a sewage air flotation separation and purification device provided by the utility model; Figure 2 is a Figure 1 is a schematic view of the structure of the first pipe from a top view; Figure 3 is a schematic view of the structure of the installation of the first shaft shown in Figure 1; Figure 4 is a schematic view of the structure of the installation of the second belt shown in Figure 3; Figure 5 is shown in Figure 1 A schematic view of the internal structure of the first pipe when viewed from above. A sewage air flotation separation and purification device, comprising: a casing 1, an impurity discharge mechanism and an air intake mechanism, the impurity discharge mechanism is located on the casing 1, and the impurity discharge mechanism comprises a first rotating shaft 2, and the end of the first rotating shaft 2 is mounted on the casing 1 Inside, a first belt 3 is arranged between the first rotating shafts 2, a push plate 4 is fixed on the outer wall of the first belt 3, a motor 7 is connected to the end of the first rotating shaft 2, and the motor 7 is installed on the outer wall of the casing 1, and the first The end of a belt 3 is provided with a trash discharge port 5. The trash discharge port 5 is opened on the side of the casing 1. The bottom of the side of the casing 1 is provided with a collection box 6. The inside of the casing 1 is installed with a second shaft 9. A stirring rod 10 is fixed on the outer wall of the rotating shaft 9. The stirring rod 10 and the first rotating shaft 2 are connected to each other by a second belt 8, the second belt 8 is located outside the casing 1, and the second rotating shaft 9 is connected to each other by a third belt 11. Connected and provided with an impurity removal mechanism, through the reversal of the motor 7, the push plate 4 can be reversed along with the first belt 3, so that the floating floc impurities can be pushed to the collection box 6 through the impurity discharge port 5 The inside of the pump is convenient for collecting impurities in the sewage, and the rotation of the motor 7 can drive the stirring rod 10 to rotate, so that the stirring rod 10 can speed up the adsorption of impurities and flocculants in the sewage, thereby speeding up the speed of sewage treatment. .

The air intake mechanism is located on the casing 1, and the air intake mechanism includes a first pipe 12. The first pipe 12 is installed on the inner side of the bottom of the casing 1. The top of the first pipe 12 is reserved with an exhaust hole 13. The side of the first pipe 12 A second pipe 14 is provided. The second pipe 14 runs through the interior of the casing 1 and is connected to the dissolved gas releaser 15. An air intake mechanism is provided, and the first pipe 12 is designed as a field-shaped structure. The exhaust holes 13 are distributed at equal intervals, so that the air bubbles discharged from the exhaust holes 13 can be evenly distributed in the sewage, so that the flocs can float up, thereby speeding up the efficiency of sewage treatment.

The outside of the housing 1 is provided with a clean water collection tank 16, the interior of the clean water collection box 16 is connected to the bottom of the inner side of the housing 1 through a third pipe 17, and a water pump 18 is installed on the third pipe 17, and the water pump 18 is located in the clean water collection tank. 16, so that the treated sewage can be collected centrally.

The side of the casing 1 is provided with a water injection pipe 19 and a drug injection pipe 20, respectively, and the water injection pipe 19 is located below the drug injection pipe 20, and can inject flocculant and sewage into the interior of the casing 1.

The push plates 4 are distributed at equal intervals on the outside of the first belt 3, the first belt 3 and the push plate 4 are designed to be perpendicular to each other, the vertical section of the trash discharge port 5 is designed with a trapezoidal structure, and the central axis of the trash discharge port 5 is connected to the first belt 3. The central axes coincide with each other, so that the floating flocs can be pushed to the impurity discharge opening 5, so that the floating flocs can be discharged.

The stirring rods 10 are equiangularly distributed with respect to the central axis of the second rotating shaft 9. There are two second rotating shafts 9, which increases the stirring area and enables the flocculant to fully contact the sewage.

The first pipe 12 is designed in a field-shaped structure, and the exhaust holes 13 on the first pipe 12 are distributed at equal intervals, which increases the area for discharging air bubbles, so that the air bubbles can float the flocs.

The working principle of the sewage air flotation separation and purification device provided by the utility model is as follows: first, an appropriate amount of sewage and flocculant are put into the casing 1 through the water injection pipe 19 and the drug injection pipe 20, so that the flocculant adsorbs the impurities in the water, Then start the dissolved gas releaser 15, and then the bubbles generated by the dissolved gas releaser 15 enter the sewage through the second pipe 14, the first pipe 12 and the exhaust hole 13, and then the bubbles will upward the flocs composed of impurities adsorbed by the flocculant. Move, then start the motor 7 to reverse, and then the motor 7 drives the push plate 4 to reverse through the first rotating shaft 2 and the first belt 3, so that the push plate 4 discharges the floating flocs to the collection box through the waste discharge port 5 6, and when the motor 7 rotates, the motor 7 drives the stirring rod 10 to rotate through the first rotating shaft 2, the second belt 8, the second rotating shaft 9 and the third belt 11, so that the flocculant can fully contact the impurities in the water, And starting the water pump 18 can collect the treated sewage into the inside of the clean water collection tank 16 , so as to complete the sewage treatment.

Compared with the related art, the sewage air flotation separation and purification device provided by the utility model has the following beneficial effects:

1. An impurity removal mechanism is provided. Through the reversal of the motor 7, the push plate 4 can be reversed along with the first belt 3, so that the floating floc impurities can be pushed to the collection box 6 through the impurity discharge port 5. The interior of the sewer is convenient for the collection of impurities in the sewage, and the motor 7 can rotate the stirring rod 10 at the same time, so that the stirring rod 10 can speed up the adsorption of impurities and flocculants in the sewage, thereby speeding up the speed of sewage treatment. .

2. An air intake mechanism is provided, and the first pipe 12 is designed as a field-shaped structure, and the exhaust holes 13 on the first pipe 12 are distributed at equal intervals, so that the air bubbles discharged from the exhaust holes 13 can be evenly distributed in the sewage. In this way, the flocs can float up, thereby speeding up the efficiency of sewage treatment.

The above are only the embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and accompanying drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (8)

1. A sewage air flotation separation and purification device, characterized in that it comprises: a casing (1), an impurity discharge mechanism and an air intake mechanism, the impurity discharge mechanism is located on the casing (1), and the impurity discharge mechanism comprises a first A rotating shaft (2), the end of the first rotating shaft (2) is installed inside the casing (1), a first belt (3) is arranged between the first rotating shafts (2), and the first belt ( 3) A push plate (4) is fixed on the outer wall, a motor (7) is connected to the end of the first rotating shaft (2), the motor (7) is installed on the outer wall of the casing (1), and the first belt The end of (3) is provided with a trash discharge port (5), the trash discharge port (5) is opened on the side of the casing (1), and the bottom of the side of the casing (1) is provided with a collection box (6) , a second rotating shaft (9) is installed inside the casing (1), a stirring rod (10) is fixed on the outer wall of the second rotating shaft (9), and the stirring rod (10) is connected to the first rotating shaft (2) They are connected to each other by a second belt (8), the second belt (8) is located outside the casing (1), and the second shafts (9) are connected to each other by a third belt (11). 2. A sewage air flotation separation and purification device according to claim 1, characterized in that the air intake mechanism is located on the casing (1), the air intake mechanism comprises a first pipe (12), the first A pipe (12) is installed on the inner side of the bottom of the casing (1), an exhaust hole (13) is reserved at the top of the first pipe (12), and a second pipe (12) is provided on the side of the first pipe (12). A pipeline (14), the second pipeline (14) penetrates through the interior of the casing (1) and is connected to the dissolved gas releaser (15). 3. A sewage air flotation separation and purification device according to claim 1, characterized in that, a clean water collection box (16) is provided outside the casing (1), and the clean water collection box (16) has a The interior is interconnected with the bottom of the inner side of the casing (1) through a third pipe (17), a water pump (18) is installed on the third pipe (17), and the water pump (18) is located at the bottom of the clean water collection tank (16). top. 4. A sewage air flotation separation and purification device according to claim 1, characterized in that, a water injection pipe (19) and a drug injection pipe (20) are respectively provided on the side of the casing (1), and the water injection pipe (19) is located below the dosing tube (20). 5 . The sewage air flotation separation and purification device according to claim 1 , wherein the push plates ( 4 ) are distributed at equal intervals on the outside of the first belt ( 3 ), and the first belt ( 3 ) It is designed to be perpendicular to the push plate (4). 6. A sewage air flotation separation and purification device according to claim 1, characterized in that, the vertical section of the trash discharge port (5) is designed with a trapezoidal structure, and the central axis of the trash discharge port (5) is in line with the first The central axes of a belt (3) coincide with each other. 7. A sewage air flotation separation and purification device according to claim 1, characterized in that the stirring rod (10) is equiangularly distributed with respect to the central axis of the second rotating shaft (9), and the second rotating shaft (9) is equiangularly distributed. ) setting has two. 8. A sewage air flotation separation and purification device according to claim 2, characterized in that, the first pipe (12) is designed as a field-shaped structure, and the exhaust holes on the first pipe (12) (13) Equally spaced distribution.

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