CN211226861U - Sludge discharge device for sewage treatment system - Google Patents

Abstract

The utility model discloses a sludge discharge device for a sewage treatment system, which belongs to the sewage treatment field, and comprises a sedimentation tank and a shell, wherein the shell is arranged at the middle position of the sedimentation tank, the lower end of the shell passes through the bottom surface of the sedimentation tank, a conveying cavity is arranged inside the shell, the upper part of the conveying cavity is communicated with the outside, a spiral feeding rod is arranged in the conveying cavity, the bottom surface of the shell is fixedly connected with a motor cover, a motor is arranged in the motor cover, the output end of the motor is connected with the lower end of the spiral feeding rod, a water filtering cavity is arranged at the periphery of the conveying cavity and is arranged inside the shell, the side wall at the upper part of the water filtering cavity is provided with a water inlet communicated with the conveying cavity, the sludge discharge process can be filter-pressed, the water content in the sludge is low, and the sludge can be further treated in the later period conveniently, and simultaneously avoids the waste of water resources.

Description

Sludge discharge device for sewage treatment system

Technical Field

The utility model relates to a sewage treatment field, more specifically say, relate to a row's mud device for sewage treatment system.

Background

The sedimentation tank is a structure for removing suspended matters in water by applying sedimentation and is equipment for purifying water. The suspended substances in the water are removed by utilizing the natural sedimentation or coagulating sedimentation of the water.

The mud that produces after impurity and flocculating agent mix deposits in the sedimentation tank in the bottom of sedimentation tank, and the mud of these precipitations needs timely discharge, can take away a large amount of moisture when present row's mud device row mud, and the later stage of being not convenient for of mud that the water content is high is to the processing of mud, and it is big to cause the mud post treatment degree of difficulty, influences the treatment effeciency.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a arrange mud device for sewage treatment system, it can realize carrying out the filter-pressing to the mud discharge in-process for water content is low in the mud, and the later stage of being convenient for avoids the waste of water resource to the degree of difficulty of mud further treatment simultaneously.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A sludge discharge device for a sewage treatment system comprises a sedimentation tank and a shell, wherein the shell is arranged at the middle position of the sedimentation tank, the lower end of the shell penetrates through the bottom surface of the sedimentation tank, a conveying cavity is formed in the shell, the upper part of the conveying cavity is communicated with the outside, a spiral feeding rod is arranged in the conveying cavity, a motor cover is fixedly connected to the bottom surface of the shell, a motor is arranged in the motor cover, the output end of the motor is connected with the lower end of the spiral feeding rod, a water filtering cavity is formed in the shell and is positioned on the periphery of the conveying cavity, a water inlet communicated with the conveying cavity is formed in the side wall above the water filtering cavity, a sludge filtering plate is arranged at the water inlet, a water outlet communicated with the outside is formed in the lower end of the water filtering cavity, a sludge conveying cavity is formed in the shell and is positioned on the periphery of the water filtering cavity, and a, defeated mud mouth with carry the chamber intercommunication is seted up to the top lateral wall in defeated mud chamber, defeated mud mouth is located the top of water inlet, a side surface of casing has seted up into the mud mouth, it is located the bottom surface of sedimentation tank to advance the mud mouth, the top fixedly connected with apron of casing, the below of apron is provided with the clamp plate, a plurality of spring posts of last fixed surface of clamp plate is connected with, and is a plurality of the upper end and the apron bottom surface fixed connection of spring post, the clamp plate sets up in the conveying intracavity, and with conveying chamber sliding connection for mud carries out the filter-pressing to the water that contains in the mud behind the entering mud discharging device, avoids the mud moisture content height of exhaust, is not convenient for the further processing of mud.

Further, the casing is cylindrical structure, conveying chamber, filter chamber, defeated mud chamber and casing are concentric setting, guarantee that filter chamber and defeated mud chamber encircle to set up in the week side in conveying chamber, and then the water that is convenient for convey intracavity filter-pressing and produces gets into filter chamber, and the mud behind the conveying intracavity filter-pressing gets into defeated mud chamber.

Furthermore, a plurality of spring post encircle the upper surface that sets up at the clamp plate, and it is adjacent spring post interval is the same for the pressure that the extrusion of clamp plate and mud produced is the same on each spring post, avoids the clamp plate slope, influences the drainage effect.

Further, the external diameter of clamp plate is unanimous with the internal diameter in conveying chamber, and the week side of clamp plate inlays and is equipped with the sealing ring for the inseparable combination between clamp plate and the conveying chamber avoids carrying the mud of a large amount of moisture and spills over from the clearance between clamp plate and the conveying chamber, makes the moisture content of mud high.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme makes mud carry out the filter-pressing to the water that contains in mud after getting into row's mud device, avoids the discharge mud moisture content height, the further processing of the mud of not being convenient for.

(2) This scheme guarantees that water filtering cavity and defeated mud chamber encircle to set up in the week side in conveying chamber, and then the water that the conveying intracavity filter-pressing of being convenient for produced gets into the water filtering cavity, and mud behind the conveying intracavity filter-pressing gets into defeated mud chamber.

(3) This scheme makes the pressure that the extrusion of clamp plate and mud produced the same on each spring post, avoids the clamp plate slope, influences the drainage effect.

(4) This scheme makes between clamp plate and the conveying chamber closely combine, avoids carrying the mud of a large amount of moisture to spill over from the clearance between clamp plate and the conveying chamber for the moisture content of mud is high.

Drawings

FIG. 1 is a schematic view of the overall structure of a sludge discharge device for a sewage treatment system according to the present invention;

FIG. 2 is a schematic view of a connecting structure of a cover plate and a pressing plate of a sludge discharge device for a sewage treatment system according to the present invention;

fig. 3 is a schematic view of a top view of a pressing plate of a sludge discharge device for a sewage treatment system according to the present invention.

The reference numbers in the figures illustrate:

1 sedimentation tank, 2 casings, 3 conveying cavities, 4 water filtering cavities, 5 mud conveying cavities, 6 mud inlets, 7 motors, 8 motor covers, 9 mud conveying openings, 10 cover plates, 11 water inlets, 12 spring columns, 13 spiral feed rods, 14 water outlets, 15 mud outlets and 16 pressing plates.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a sludge discharge device for a sewage treatment system comprises a sedimentation tank 1 and a shell 2, wherein the shell 2 is of a cylindrical structure, a conveying cavity 3, a water filtering cavity 4, a sludge conveying cavity 5 and the shell 2 are concentrically arranged, the water filtering cavity 4 and the sludge conveying cavity 5 are ensured to be arranged around the conveying cavity 3, so that water generated by pressure filtration in the conveying cavity 3 can conveniently enter the water filtering cavity 4, sludge subjected to pressure filtration in the conveying cavity 3 enters the sludge conveying cavity 5, the shell 2 is arranged at the middle position of the sedimentation tank 1, the lower end of the shell 2 penetrates through the bottom surface of the sedimentation tank 1, the conveying cavity 3 is arranged in the shell 2, the upper part of the conveying cavity 3 is communicated with the outside, a spiral feeding rod 13 is arranged in the conveying cavity 3, a motor cover 8 is fixedly connected to the bottom surface of the shell 2, a motor 7 is arranged in the motor cover 8, the output end of the motor 7 is connected with, a water filtering cavity 4 is arranged inside the shell 2 at the peripheral side of the conveying cavity 3, a water inlet 11 communicated with the conveying cavity 3 is arranged on the side wall above the water filtering cavity 4, a mud filtering plate is arranged at the water inlet 11, a water outlet 14 communicated with the outside is arranged at the lower end of the water filtering cavity 4, a mud conveying cavity 5 is arranged inside the shell 1 at the peripheral side of the water filtering cavity 4, a mud outlet 15 is connected below the mud conveying cavity 5, a mud conveying port 9 communicated with the conveying cavity 3 is arranged on the side wall above the mud conveying cavity 5, the mud conveying port 9 is arranged above the water inlet 11, a mud inlet 6 is arranged on one side surface of the shell 2, the mud inlet 6 is arranged at the bottom surface of the sedimentation tank 1, a cover plate 10 is fixedly connected above the shell 1, please refer to figure 2, a pressing plate 16 is arranged below the cover plate 10, the outer diameter of the pressing plate 16 is consistent with the inner diameter of the conveying cavity 3, a sealing ring is embedded at the peripheral side of the pressing plate 16, and the sludge carrying, make the moisture content of mud high, please refer to fig. 3, the last fixed surface of clamp plate 16 is connected with a plurality of spring posts 12, a plurality of spring posts 12 encircle the upper surface that sets up at clamp plate 16, and adjacent spring post 12 interval is the same, make clamp plate 16 the same on each spring post 12 with the pressure of the extrusion production of mud, avoid clamp plate 16 slope, influence drainage effect, the upper end and the apron 10 bottom surface fixed connection of a plurality of spring posts 12, clamp plate 16 sets up in conveying chamber 3, and with conveying chamber 3 sliding connection, make mud carry out the filter-pressing to the water that contains in the mud after getting into the mud discharging device, avoid the mud moisture content of exhaust high, be not convenient for the further processing of mud.

The working principle is as follows: when sludge in the sedimentation tank 1 needs to be discharged, the sludge at the bottom of the sedimentation tank 1 enters the conveying cavity 3 through the sludge inlet 6, the motor 8 is started, the motor 8 drives the spiral feeding rod 13 to rotate, so that the sludge is lifted in the conveying cavity 3, when the sludge is lifted above the conveying cavity 3, the pressing plate 16 extrudes the sludge, water in the sludge enters the water filtering cavity 4 through the water inlet 11, the sludge is blocked by the sludge filtering plate, the generated pressure is greater than the elastic force of the spring column 12 along with the gradual accumulation of the sludge, the pressing plate 16 moves upwards, when the pressing plate 16 moves upwards above the sludge conveying port 9, the sludge enters the sludge conveying cavity 5 through the sludge conveying port 9 under the action of the pressure, the sludge in the sludge conveying cavity 5 is discharged through the sludge outlet 15 under the action of gravity, the sludge discharge and filter pressing can be realized, so that the water content in the sludge is low, and the sludge can be further treated at a later stage conveniently, and simultaneously avoids the waste of water resources.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (4)

1. A sludge discharge device for a sewage treatment system comprises a sedimentation tank (1) and a shell (2), and is characterized in that the shell (2) is arranged at the middle position of the sedimentation tank (1), the lower end of the shell (2) penetrates through the bottom surface of the sedimentation tank (1), a conveying cavity (3) is formed in the shell (2), the upper part of the conveying cavity (3) is communicated with the outside, a spiral feeding rod (13) is arranged in the conveying cavity (3), a motor cover (8) is fixedly connected to the bottom surface of the shell (2), a motor (7) is arranged in the motor cover (8), the output end of the motor (7) is connected with the lower end of the spiral feeding rod (13), a water filtering cavity (4) is formed in the inner part of the shell (2) and is located on the peripheral side of the conveying cavity (3), a water inlet (11) communicated with the conveying cavity (3) is formed in the side wall of the upper part of the water filtering cavity (4), the sludge filtering plate is arranged at the water inlet (11), a water outlet (14) communicated with the outside is formed in the lower end of the water filtering cavity (4), a sludge conveying cavity (5) is formed in the shell (2) on the peripheral side of the water filtering cavity (4), a sludge outlet (15) is connected below the sludge conveying cavity (5), a sludge conveying port (9) communicated with the conveying cavity (3) is formed in the side wall above the sludge conveying cavity (5), the sludge conveying port (9) is positioned above the water inlet (11), a sludge inlet (6) is formed in the surface of one side of the shell (2), the sludge inlet (6) is positioned on the bottom surface of the sedimentation tank (1), a cover plate (10) is fixedly connected above the shell (2), a pressing plate (16) is arranged below the cover plate (10), a plurality of spring columns (12) are fixedly connected to the upper surface of the pressing plate (16), and the upper ends of the plurality of the spring columns (12) are fixedly connected to the bottom surface of the cover plate (10), the pressing plate (16) is arranged in the conveying cavity (3) and is connected with the conveying cavity (3) in a sliding mode.

2. The sludge discharge apparatus for a sewage treatment system according to claim 1, wherein: the casing (2) is of a cylindrical structure, and the conveying cavity (3), the water filtering cavity (4), the mud conveying cavity (5) and the casing (2) are arranged concentrically.

3. The sludge discharge apparatus for a sewage treatment system according to claim 1, wherein: the spring columns (12) are arranged on the upper surface of the pressing plate (16) in a surrounding mode, and the distances between the adjacent spring columns (12) are the same.

4. The sludge discharge apparatus for a sewage treatment system according to claim 1, wherein: the outer diameter of the pressing plate (16) is consistent with the inner diameter of the conveying cavity (3), and a sealing ring is embedded on the periphery of the pressing plate (16).

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