CN116102094A - Sewage physical purification device and purification method for sewage treatment - Google Patents

Abstract

A sewage physical purification device for sewage treatment, comprising an inner tank body and an outer tank body, the inner tank body is arranged inside the outer tank body, and a sewage input pipe is arranged on the top of the inner tank body, and the sewage input pipe extends into One end of the inner tank is movably plugged with the water distribution pipe, and the lower end of the water distribution pipe is connected with a plurality of horizontal water spray heads distributed in a horizontal ring, and a joint is fixed directly below the multiple horizontal water spray heads, and the joint is connected to one end of the rotating shaft through a keyway. One end of the rotating shaft is passed downwards to the outside of the inner tank and is connected to the shaft between the motors. The present invention adopts the above-mentioned structure, accelerates the physical filtration efficiency by centrifugal force, and realizes the purpose of efficient filter hole cleaning through the forward and reverse rotation of the motor and cooperation with the slag retaining plate.

Description

Sewage physical purification device and purification method for sewage treatment

technical field

The invention relates to the technical field of sewage treatment, in particular to a sewage physical purification device and purification method for sewage treatment.

Background technique

The current sewage treatment operations are generally divided into physical purification methods such as filtration and chemical treatment methods such as adding chemicals. Since the amount of chemicals added needs to be strictly controlled to avoid incomplete treatment of impurities and excessive chemicals in the water, this method is effective. Better, but requires higher precision.

For the conventional physical filtration method, due to the use of filter hole filtration, long-term impurity filtration will cause the filter hole to be blocked, resulting in a decrease in the filtration effect. At the same time, only relying on direct physical filtration also affects the sewage treatment efficiency.

Contents of the invention

The technical problem to be solved by the present invention is to provide a sewage physical purification device and purification method for sewage treatment, which can accelerate the physical filtration efficiency by centrifugal force and achieve efficient filter hole cleaning through the forward and reverse rotation of the motor and the slag retaining plate.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a sewage physical purification device for sewage treatment, comprising an inner tank body and an outer tank body, the inner tank body is arranged inside the outer tank body, and the inner tank body There is a sewage input pipe on the top of the tank body, and one end of the sewage input pipe extending into the inner tank body is movably plugged into the water distribution pipe. A joint is fixed directly below the head, and the joint is connected to one end of the rotating shaft through a keyway, and one end of the rotating shaft penetrates downward to the outside of the inner tank and is connected to the shaft between the motors.

In a preferred solution, a plurality of first water filter holes are provided on the side wall of the inner tank body.

In a preferred solution, the bottom of the inner tank is provided with an impurity discharge pipe and a gas injection pipe.

In a preferred solution, the bottom edge of the side wall of the outer tank body is provided with a drain pipe and a backwash pipe.

In a preferred solution, a plurality of slag retaining plates are uniformly arranged on the inner wall of the inner tank, and second water filtering holes are arranged on the slag retaining plates.

In a preferred solution, one side of the slag retaining plate is fixed on the inner wall of the inner tank, and the other side is biased toward the inner tank inner wall, and a fan-shaped filter residue area is formed between the slag retaining plate and the inner tank inner wall.

The purification method based on the above-mentioned sewage physical purification device for sewage treatment specifically includes the following steps:

1) Start the motor so that it drives the water distribution pipe to continuously rotate axially;

2) The sewage is input through the sewage input pipe, and the sewage relies on the rotating water distribution pipe to generate centrifugal force and hits the inner wall of the inner tank;

3) The motor continuously drives the agitating blades to rotate, so that the sewage in the lower layer continues to generate centrifugal force and collides with the slag retaining plate and the inner wall of the inner tank to complete the slag filtration;

4) After the sewage is input into the inner tank, gas is continuously injected into the sewage through the gas injection pipe, and the generated air bubbles grout rise and drive the floc impurities.

In a preferred solution, after the impurities are filtered, the treated water is discharged by opening a drain pipe.

In a preferred solution, in step 4), gas injection is performed after the sewage is injected into the inner tank and the liquid level reaches above the first water filter hole.

In the preferred solution, after step 4) is completed, the cleaning water is input through the backwashing pipe, and the reverse rotation of the motor is adjusted to clean the residual impurities in the inner tank, and the impurities are discharged by the impurity discharge pipe after the cleaning is completed .

The self-adaptive lifting type offshore wind motor base and its installation method provided by the present invention have the following beneficial effects by adopting the above structure and method:

(1) The structure of the slag retaining plate adopted can filter the impurities in the water when the motor drives the water body to disturb in one direction, so that the clear water can be deposited in the middle of the device and be effectively discharged by the drainage pipe;

(2) Through the backwashing pipe and the reverse rotation of the motor, it can drive the water body to rotate in reverse and achieve the purpose of efficient removal of impurities remaining in the gap.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

Figure 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic top view of the structure of the present invention.

In the figure: inner tank body 1, outer tank body 2, sewage input pipe 3, water distribution pipe 4, horizontal sprinkler head 5, joint 6, rotating shaft 7, motor 8, stirring blade 9, first water filter hole 10, drain pipe 11. Backwash pipe 12, impurity discharge pipe 13, gas injection pipe 14, slag retaining plate 15, second water filter hole 16.

Detailed ways

Example 1:

As shown in Figure 1-2, a sewage physical purification device for sewage treatment includes an inner tank body 1 and an outer tank body 2, the inner tank body 1 is arranged inside the outer tank body 2, and the top of the inner tank body 1 A sewage input pipe 3 is provided, and one end of the sewage input pipe 3 extending into the inner tank body 1 is movably plugged with the water distribution pipe 4, and the lower end of the water distribution pipe 4 is connected with a plurality of transverse water spray heads 5 distributed in a transverse ring shape. A joint 6 is fixed directly below the horizontal water spray head 5, and the joint 6 is connected to one end of the rotating shaft 7 through a keyway, and one end of the rotating shaft 7 is penetrated downward to the outside of the inner tank body 1 and is connected with the shaft between the motor 8.

In a preferred solution, a plurality of first water filter holes 10 are provided on the side wall of the inner tank body 1 .

In a preferred solution, the bottom of the inner tank body 1 is provided with an impurity discharge pipe 13 and a gas injection pipe 14 .

In a preferred solution, the bottom edge of the side wall of the outer tank body 2 is provided with a drain pipe 11 and a backwash pipe 12 .

In a preferred solution, a plurality of slag retaining plates 15 are uniformly arranged on the inner wall of the inner tank body 1 , and second water filtering holes 16 are provided on the slag retaining plates 15 .

In a preferred solution, one side of the slag retaining plate 15 is fixed on the inner wall of the inner tank body 1, and the other side is biased to the inner wall of the inner tank body 1, and is formed between the slag retaining plate 15 and the inner wall of the inner tank body 1. Fan-shaped filter residue area.

Example 2:

Based on the purification method of the sewage physical purification device for sewage treatment described in embodiment 1, specifically comprise the following steps:

1) Start the motor 8 so that it drives the water distribution pipe 4 to continuously rotate axially;

2) The sewage is input through the sewage input pipe 3, and the sewage relies on the rotating water distribution pipe 4 to generate centrifugal force and hits the inner wall of the inner tank body 1;

3) The motor 8 continues to drive the stirring blade 9 to rotate, so that the sewage in the lower layer continues to generate centrifugal force and collides with the slag retaining plate 15 and the inner wall of the inner tank body 1 to complete the filtration of slag;

4) After the sewage is input into the inner tank body 1, gas is continuously injected into the sewage through the gas injection pipe 14, and the generated air bubbles grout rise and drive floc impurities.

In a preferred solution, after the impurities are filtered, the treated water is discharged by opening the drain pipe 11 .

In a preferred solution, in step 4), gas injection is performed after the sewage is injected into the inner tank body 1 and the liquid level reaches above the first water filter hole 10 .

In the preferred solution, after step 4) is completed, the cleaning water is input through the backwashing pipe 12, and the reverse rotation of the motor 8 is adjusted to clean the residual impurities in the inner tank 1, and the impurities are discharged after the cleaning is completed Pipe 13 discharges impurities.

The sewage physical purification device and purification method for sewage treatment provided by the present invention use centrifugal force to speed up the physical filtration efficiency and realize the purpose of efficient filter hole cleaning through the forward and reverse rotation of the motor and cooperate with the slag retaining plate, and solve the problem of sewage chemical pollution. The precision requirement problem in the processing method.

Claims (10)

1. A sewage physical purification device for sewage treatment, its characterized in that: including interior jar body (1) and outer jar body (2), interior jar body (1) set up inside outer jar body (2), be equipped with a sewage input tube (3) at interior jar body (1) top, one end in interior jar body (1) is stretched into in sewage input tube (3) is pegged graft with water distribution pipe (4) activity, water distribution pipe (4) lower extreme is connected with a plurality of horizontal sprinkler heads (5) that transversely are annular distribution, be fixed with joint (6) under a plurality of horizontal sprinkler heads (5), joint (6) are connected in pivot (7) one end through the keyway, pivot (7) one end wears to establish to interior jar body (1) outside and with motor (8) between the hub connection down.

2. A sewage physical purification apparatus for sewage treatment according to claim 1, wherein: the side wall of the inner tank body (1) is provided with a plurality of first water filtering holes (10).

3. A sewage physical purification apparatus for sewage treatment according to claim 1, wherein: the bottom of the inner tank body (1) is provided with an impurity discharge pipe (13) and an air injection pipe (14).

4. A sewage physical purification apparatus for sewage treatment according to claim 1, wherein: the bottom edge of the side wall of the outer tank body (2) is provided with a drain pipe (11) and a back flushing pipe (12).

5. A physical sewage purification apparatus for sewage treatment according to claim 1, wherein: a plurality of slag baffles (15) are uniformly distributed on the inner wall of the inner tank body (1), and second water filtering holes (16) are formed in the slag baffles (15).

6. A physical sewage purification apparatus for sewage treatment according to claim 5, wherein: one side of the slag blocking plate (15) is fixed on the inner wall of the inner tank body (1), the other side of the slag blocking plate is biased towards the inner wall of the inner tank body (1), and a fan-shaped filter residue area is formed between the slag blocking plate (15) and the inner wall of the inner tank body (1).

7. The purification method of a sewage physical purification apparatus for sewage treatment according to any one of claims 1 to 6, characterized by comprising the steps of:

1) Starting a motor (8) to drive the water distribution pipe (4) to continuously axially rotate;

2) The sewage is input by a sewage input pipe (3), and the sewage generates centrifugal force by means of a rotating water distribution pipe (4) and impacts on the inner wall of the inner tank body (1);

3) The motor (8) continuously drives the stirring blades (9) to rotate, so that the sewage at the lower layer continuously generates centrifugal force and is in impact contact with the slag baffle (15) and the inner wall of the inner tank body (1), and slag filtering is completed;

4) After the sewage is input into the inner tank body (1), gas is continuously injected into the sewage through the gas injection pipe (14), and the generated bubble grouting rises and drives floccule impurities.

8. A purification method of a sewage physical purification apparatus for sewage treatment according to claim 7, wherein: after the impurities are filtered, the treated water is discharged by opening a water discharge pipe (11).

9. A purification method of a sewage physical purification apparatus for sewage treatment according to claim 7, wherein: in the step 4), the sewage is injected into the inner tank body (1) and the liquid level is made to be more than the first water filtering holes (10), and then the air injection is carried out.

10. A purification method of a sewage physical purification apparatus for sewage treatment according to claim 7, wherein: after the step 4) is finished, cleaning water is input through a back flushing pipe (12), the motor (8) is regulated to reversely rotate, so that the residual impurities in the inner tank body (1) are cleaned, and the impurities are discharged by means of an impurity discharge pipe (13) after the cleaning is finished.

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