CN216224849U

CN216224849U - Novel sewage treatment is with hierarchical filtration centrifuge

Info

Publication number: CN216224849U
Application number: CN202220401108.1U
Authority: CN
Inventors: 刘佳元; 谭新爱; 冯桂存; 石亚莉
Original assignee: Dayu Environmental Protection Tianjin Co ltd
Current assignee: Dayu Rural Environmental Infrastructure Operation Service Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-04-08
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a novel graded filtering centrifuge for sewage treatment, which relates to the field of horizontal screw centrifuges and comprises the following components: the rotary drum is in a hollow state, and the hollow shaft is rotatably connected to the inner cavity of the rotary drum; the spiral propeller is fixedly connected to the outer wall of the hollow shaft; a feed pipe penetrating from the outside of the rotary drum to the inner cavity of the hollow shaft; and the material distributing port is formed in the feeding pipe and communicated with the inner cavity of the rotary drum. According to the utility model, the acceleration mechanism is arranged, the acceleration mechanism rotates along with the hollow shaft, and after sewage enters the acceleration mechanism, a certain acceleration can be obtained under the action of the change of the diameter of the channel and the rotation acceleration, so that the working efficiency of the device is further improved; through setting up block mechanism, when will accelerate the mechanism and pack into the inlet pipe, can be more convenient pack into wherein, the repacking cost is lower, and the repacking time is fast.

Description

Novel sewage treatment is with hierarchical filtration centrifuge

Technical Field

The utility model relates to the field of horizontal screw centrifuges, in particular to a novel graded filtering centrifuge for sewage treatment.

Background

The working principle of the centrifuge is as follows: the rotary drum and the screw rotate at a high speed in the same direction at a certain differential speed, materials are continuously introduced into the inner cylinder of the material conveying screw through the feeding pipe, enter the rotary drum after being accelerated, heavy solid-phase objects are deposited on the wall of the rotary drum to form a slag deposition layer under the action of a centrifugal force field, and the deposited solid-phase objects are continuously pushed to the conical end of the rotary drum by the material conveying screw and are discharged out of the machine through the slag discharge port.

However, when the existing horizontal screw centrifuge feeds materials, sewage enters the hollow shaft from the feeding pipe, the initial speed is low, a certain time is required to be left in the hollow shaft, and the sewage can be thrown out from the material distributing port when the sewage obtains a high speed, so that the working efficiency of the horizontal screw centrifuge cannot be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the working efficiency of the novel sewage treatment device cannot be further improved, a novel graded filtering centrifuge for sewage treatment is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel sewage treatment is with hierarchical filtration centrifuge includes: the rotary drum is in a hollow state, and the hollow shaft is rotatably connected to the inner cavity of the rotary drum; the spiral propeller is fixedly connected to the outer wall of the hollow shaft; a feed pipe penetrating from the outside of the rotary drum to the inner cavity of the hollow shaft; the material distributing port is formed in the feeding pipe and communicated with the inner cavity of the rotary drum; the accelerating mechanism with the first rotating cylinder, the second rotating cylinder and the connecting column is arranged at the end part of the inner cavity of the feeding pipe and used for improving the speed of the sewage mixture entering the hollow shaft.

As a still further scheme of the utility model: mechanism still including fixed connection the fixed block of quill shaft inner chamber and with the inlet pipe rotates the import cover of connecting, one side of gauze mask is located to first a section of thick bamboo that rotates, and rotates with the inner chamber of inlet pipe and be connected, one side of first a section of thick bamboo that rotates is located to the second, and rotates with the inlet pipe and be connected, first a section of thick bamboo that rotates with the second and contact the position and become to be formed with the annular groove, the inner chamber of annular groove is provided with the annular locating piece fixed mutually with the inlet pipe, first a section of thick bamboo that rotates is provided with interconnect's rotatory screw thread with the inside of second a section of thick bamboo that rotates.

As a still further scheme of the utility model: the connecting position of the first rotating cylinder and the second rotating cylinder is provided with a clamping mechanism, and the clamping mechanism is arranged on the first rotating cylinder and the second rotating cylinder in a split mode.

As a still further scheme of the utility model: the clamping mechanism comprises an elastic sheet arranged at the end part of the first rotating cylinder, and a first through groove and a second through groove which are formed in the second rotating cylinder, the first through groove and the second through groove are communicated with each other, and the first through groove is positioned on one side of the second through groove.

As a still further scheme of the utility model: the top ends of the first through groove and the second through groove are in an inclined plane state, and the vertical section of the elastic sheet is in a V-shaped structure.

As a still further scheme of the utility model: the opening of the inlet cover is large, the inlet is small, and the thick vertical section of the inlet cover is a triangular mechanism.

As a still further scheme of the utility model: the fixed block is rotatably connected with the feeding pipe through a bearing.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the accelerating mechanism, the accelerating mechanism rotates along with the hollow shaft, and after sewage enters the accelerating mechanism, certain acceleration can be obtained under the action of the change of the diameter of the channel and the rotation acceleration, so that the working efficiency of the device is further improved;

2. through setting up block mechanism, when will accelerate the mechanism and pack into the inlet pipe, can be more convenient pack into wherein, the repacking cost is lower, and the repacking time is fast.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal mechanism of the hollow shaft of the present invention;

FIG. 3 is a schematic mechanical diagram of the acceleration mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2;

fig. 5 is a partial enlarged view of the utility model at B in fig. 3.

In the figure: 1. a drum; 2. a hollow shaft; 3. a screw propeller; 4. a feed pipe; 5. an acceleration mechanism; 501. a fixed block; 502. a first rotating drum; 503. an inlet cover; 504. a second rotary cylinder; 505. connecting columns; 506. an annular groove; 507. rotating the screw thread; 508. an annular positioning block; 6. a clamping mechanism; 601. an elastic sheet; 602. a first through groove; 603. a second through groove; 7. and a material distributing port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a novel graded filtering centrifuge for sewage treatment includes: a hollow drum 1 in a hollow state and a hollow shaft 2 rotatably connected to the inner cavity of the drum 1; a screw propeller 3 fixedly connected to the outer wall of the hollow shaft 2; a feed pipe 4 penetrating from the outside of the rotary drum 1 to the inner cavity of the hollow shaft 2; a material distributing port 7 formed inside the material feeding pipe 4 and communicated with the inner cavity of the rotary drum 1; an acceleration mechanism 5 having a first rotary drum 502, a second rotary drum 504 and a connecting rod 505 is provided at the end of the inner cavity of the feeding pipe 4 for increasing the speed of the sewage mixture entering the inside of the hollow shaft 2.

In this embodiment: in the process that the sludge mixture enters the inner cavity of the rotating hollow shaft 2 from the feeding pipe 4, the sludge mixture enters the inner cavity of the hollow shaft 2 after being accelerated by the accelerating mechanism 5, then is accelerated for the second time in the hollow shaft 2 and is thrown out from the material distributing port 7, and the sludge mixture is adhered to the inner wall of the rotary drum 1 under the action of centrifugal force to form a solid layer, and the solid layer can be output outwards when the hollow shaft 2 drives the spiral propeller 3 to rotate due to the rotation speed difference between the rotation speed of the hollow shaft 2 and the rotation speed of the rotary drum 1, so that solid-liquid separation is realized.

Please refer to fig. 2, 3 and 4, the accelerating mechanism 5 further includes a fixing block 501 fixedly connected to the inner cavity of the hollow shaft 2 and an inlet cover 503 rotatably connected to the feeding pipe 4, the first rotating cylinder 502 is disposed on one side of the inlet cover 503 and rotatably connected to the inner cavity of the feeding pipe 4, the second rotating cylinder 504 is disposed on one side of the first rotating cylinder 502 and rotatably connected to the feeding pipe 4, an annular groove 506 is formed at a contact position of the first rotating cylinder 502 and the second rotating cylinder 504, an annular positioning block 508 fixed to the feeding pipe 4 is disposed in the inner cavity of the annular groove 506, and rotating threads 507 connected to each other are disposed inside the first rotating cylinder 502 and the second rotating cylinder 504; a clamping mechanism 6 is arranged at the connecting position of the first rotating cylinder 502 and the second rotating cylinder 504, and the clamping mechanism 6 is arranged on the first rotating cylinder 502 and the second rotating cylinder 504 in a split manner; the opening of the inlet cover 503 is larger than the inlet, and the vertical section of the wall thickness of the inlet cover 503 is a triangular mechanism; the fixed block 501 is rotatably connected with the feeding pipe 4 through a bearing.

In this embodiment: in the process that the sewage mixture enters the accelerating mechanism 5 through the feeding pipe 4, firstly, in the process of the inlet cover 503, the diameter of the channel is reduced, on the premise of the same input water pressure, the water flowing speed is accelerated, meanwhile, the connecting column 505 is driven by the hollow shaft 2 to rotate, the first rotating cylinder 502 and the second rotating cylinder 504 are driven by the two connecting columns 505 which are symmetrically distributed to rotate, the rotating threads 507 which are arranged in the inner cavity of the rotating cylinder are matched in the rotating process, the entering sewage mixture can be further accelerated, and the initial moving speed is realized when the sewage mixture enters the hollow shaft 2.

Please refer to fig. 5, the engaging mechanism 6 includes an elastic piece 601 disposed at an end of the first rotating cylinder 502, and a first through slot 602 and a second through slot 603 formed inside the second rotating cylinder 504, the first through slot 602 and the second through slot 603 are communicated with each other, and the first through slot 602 is located at one side of the second through slot 603; the top ends of the first through groove 602 and the second through groove 603 are both in an inclined plane state, and the vertical section of the elastic sheet 601 is in a V-shaped structure.

In this embodiment: when the first rotating cylinder 502 and the second rotating cylinder 504 are installed in the cavity of the feeding pipe 4, the first rotating cylinder 502 and the second rotating cylinder 504 are respectively put in from the two ends of the feeding pipe 4, one end of the first rotating cylinder 502 with the inlet cover 503 and the input end of the feeding pipe 4 are kept in the same direction, then the first rotating cylinder 502 and the second rotating cylinder 504 are pressed by a tool until the elastic sheet 601 is clamped into the second through groove 603 through the first through groove 602, in the process, the bevel edge of the elastic sheet 601 firstly contacts and extrudes with the bevel edge of the first through groove 602, the elastic sheet 601 deforms under the extrusion force and then enters the inner cavity of the second through groove 603, the elastic sheet 601 resets and is clamped in the second through groove 603, at the moment, the annular groove 506 is just clamped on the outer wall of the annular positioning block 508, the purpose that the accelerating mechanism 5 can rotate and can not slide is realized, at the same time, the loading of the acceleration means 5 into the interior of the feed tube 4 is facilitated by the catch means 6 in the process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A novel sewage treatment is with hierarchical filtration centrifuge which characterized in that includes:

the rotary drum (1) is in a hollow state, and the hollow shaft (2) is rotatably connected to the inner cavity of the rotary drum (1);

a screw propeller (3) fixedly connected to the outer wall of the hollow shaft (2);

a feed pipe (4) penetrating from the outside of the rotary drum (1) to the inner cavity of the hollow shaft (2);

a material distributing opening (7) which is formed inside the feeding pipe (4) and communicated with the inner cavity of the rotary drum (1);

an accelerating mechanism (5) with a first rotating cylinder (502), a second rotating cylinder (504) and a connecting column (505) is arranged at the end part of the inner cavity of the feeding pipe (4) and is used for increasing the speed of the sewage mixture entering the hollow shaft (2).

2. The novel classifying filtration centrifuge for sewage treatment according to claim 1, the accelerating mechanism (5) also comprises a fixed block (501) fixedly connected with the inner cavity of the hollow shaft (2) and a mask inlet cover (503) rotatably connected with the feeding pipe (4), the first rotating cylinder (502) is arranged on one side of the mask inlet cover (503), and is rotationally connected with the inner cavity of the feed pipe (4), the second rotating cylinder (504) is arranged at one side of the first rotating cylinder (502), and is rotationally connected with the feed pipe (4), an annular groove (506) is formed at the contact position of the first rotating cylinder (502) and the second rotating cylinder (504), an annular positioning block (508) fixed with the feeding pipe (4) is arranged in the inner cavity of the annular groove (506), the first rotating cylinder (502) and the second rotating cylinder (504) are internally provided with rotating threads (507) which are connected with each other.

3. The novel sewage treatment classifying filtration centrifuge as claimed in claim 2, wherein a clamping mechanism (6) is provided at a position where the first rotary drum (502) and the second rotary drum (504) are connected, and the clamping mechanism (6) is separately provided on the first rotary drum (502) and the second rotary drum (504).

4. A novel sewage treatment graded filtering centrifuge as claimed in claim 3, wherein said clamping mechanism (6) comprises an elastic sheet (601) disposed at the end of the first rotary drum (502) and a first through slot (602) and a second through slot (603) formed inside the second rotary drum (504), said first through slot (602) and second through slot (603) are communicated with each other, said first through slot (602) is located at one side of the second through slot (603).

5. The novel sewage treatment classifying and filtering centrifuge as claimed in claim 4, wherein the top ends of the first through groove (602) and the second through groove (603) are in an inclined plane state, and the vertical section of the elastic sheet (601) is in a "V" shaped structure.

6. The novel graded filtering centrifuge for sewage treatment as claimed in claim 2, wherein the opening of the inlet hood (503) is large and the inlet is small, and the vertical section of the wall thickness of the inlet hood (503) is a triangular mechanism.

7. The novel graded filtering centrifuge for sewage treatment as claimed in claim 2, wherein the fixed block (501) is rotatably connected with the feeding pipe (4) through a bearing.