CN219050630U

CN219050630U - Sand setting device for sewage treatment

Info

Publication number: CN219050630U
Application number: CN202223248074.6U
Authority: CN
Inventors: 柳畅; 尹华升; 陈雷; 程继学; 蒋宏装
Original assignee: Changsha Urban Drainage Affairs Center; Hunan Academy Of Architectural Sciences Co ltd
Current assignee: Changsha Urban Drainage Affairs Center; Hunan Academy Of Architectural Sciences Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-23
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the technical field of sewage treatment and discloses a sand setting device for sewage treatment, which comprises an underframe and a sand setting barrel connected to the top of the underframe, wherein a support frame is connected to the interior of the sand setting barrel, a rotating shaft is rotatably connected between the support frame and the bottom center of the sand setting barrel through a bearing, torsion bars are symmetrically arranged on two sides of the top of the rotating shaft, a round filter screen is sleeved on the top of the rotating shaft and the outer side of the torsion bars in a sliding manner, a support plate is connected to the top of the rotating shaft and below the round filter screen, a buffer spring is arranged between the support plate and the round filter screen, and through the cooperation of the round filter screen with a buffer effect and a strip scraper, the sewage can be buffered, sand in the sewage can be prevented from directly impacting the filter screen to damage the filter screen, the service life is prolonged, sand on the round filter screen can be scraped, the filter screen is prevented from being blocked, and the filtering efficiency is improved.

Description

Sand setting device for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sand setting device for sewage treatment.

Background

The sand setting device is a pretreatment unit for separating sand grains from sewage by a physical method, and has the function of separating particles with the relative density of more than 1.5 and the particle size of more than 0.2 from the sewage, and the sand setting device is generally arranged in front of lifting equipment and treatment facilities to protect a water pump and a pipeline from abrasion and prevent the blockage of subsequent structures and the reduction of the volume of sludge treatment structures, but most of the existing sand setting devices use filter screens to filter sand and stones, but when sewage flows fast, the sediment in the sewage directly impacts on the filter screens, so that the filter screens are easy to deform or even damage, the service life of the device is further reduced, and meanwhile, the blockage of the filter screens is easy to cause, so that the filtering efficiency is influenced.

Based on the above, the utility model designs a sand setting device for sewage treatment to solve the above problems.

Disclosure of Invention

(one) solving the technical problems

In order to solve the problems in the prior art, the utility model provides the sand setting device for sewage treatment, which can buffer sewage by arranging the round filter screen with a buffer function and matching the strip-shaped scraper, prevent sand in the sewage from directly impacting the filter screen to damage the filter screen, prolong the service life, scrape sand and stone on the round filter screen, avoid blocking the filter screen and improve the filtering efficiency.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the utility model provides a sand setting device for sewage treatment, includes the chassis and connects the sand setting barrel at chassis top, the internally connected of sand setting barrel has the support frame, be connected with the axis of rotation through the bearing rotation between the bottom center of support frame and sand setting barrel, just the axis of rotation extends to the below of sand setting barrel, the motor is installed to the bottom of chassis, the output axle head of motor passes through the bottom fixed connection of shaft coupling with the axis of rotation, the top bilateral symmetry of axis of rotation is equipped with torsion bar, round filter screen has been cup jointed in the outside slip of the top of axis of rotation and torsion bar, just round filter screen's edge sliding connection is at sand setting barrel inner wall, the top of axis of rotation just be located round filter screen's below and be connected with the backup pad, be equipped with buffer spring between backup pad and the round filter screen, just buffer spring cup joints in the outside of axis of rotation, the bottom evenly distributed of support frame has the bar scraper, just the base press-cover of bar scraper at round filter screen's top surface.

Preferably, the bottom outside of axis of rotation has cup jointed centrifugal carousel, centrifugal carousel sliding connection is in the inboard bottom surface of sand setting barrel, just be equipped with the interval between the inner wall of centrifugal carousel's edge and sand setting barrel.

Preferably, the top surface of the centrifugal turntable is uniformly distributed with fins in a circumferential shape.

Preferably, the circular filter screen comprises a central plate and a filter screen plate fixedly sleeved on the outer side of the central plate, and reinforcing rods are uniformly connected between the central plate and the bottom of the filter screen plate.

Preferably, a limit mounting hole matched with the rotating shaft and the torsion bar is formed in the center of the center plate.

Preferably, the inner wall of the top of the sand setting cylinder body is provided with a concave limit groove, and the edge of the filter screen plate is in sliding connection with the side wall of the concave limit groove.

Preferably, the top of the sand setting barrel is provided with a water inlet, the side surface of the sand setting barrel is sequentially provided with a water outlet pipe and a sand discharge pipe from top to bottom, and the sand discharge pipe is close to one side of the centrifugal turntable.

(III) beneficial effects

The utility model provides a sand setting device for sewage treatment. The beneficial effects are as follows:

(1) The circular filter screen, the buffer spring and the supporting plate are matched on the rotating shaft, so that sewage can be buffered, sediment in the sewage is prevented from directly impacting the filter screen to damage the filter screen, the service life is prolonged, the circular filter screen can be driven to rotate through the set torsion bar when the starting motor drives the rotating shaft to rotate, sand and stone on the circular filter screen can be scraped by matching with the action of the bar-shaped scraper, the filter screen is prevented from being blocked, and the filtering efficiency is improved;

(2) Through being equipped with centrifugal carousel in the inboard bottom surface of sand setting barrel, when discharging sand, rotate centrifugal carousel and can stir the silt that the bottom was precipitated, prevent that silt from taking place the deposit in the bottom of sand setting barrel, can clear up silt effectively fast.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic distribution diagram of a strip scraper according to the present utility model;

FIG. 3 is a schematic view of the bottom surface of the circular filter screen according to the present utility model;

fig. 4 is a schematic view of the top of the centrifugal turntable of the present utility model.

In the figure: 1. a chassis; 2. a sand setting cylinder; 3. a support frame; 4. a rotating shaft; 5. a motor; 6. a torsion bar; 7. a circular filter screen; 8. a support plate; 9. a buffer spring; 10. a strip scraper; 11. a centrifugal turntable; 12. a fin; 13. a center plate; 14. a filter screen plate; 15. a reinforcing rod; 16. limiting the mounting hole; 17. a concave limit groove; 18. a water inlet; 19. a water outlet pipe; 20. a sand discharge pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

as shown in fig. 1-4, the utility model provides a sand setting device for sewage treatment, which comprises a bottom frame 1 and a sand setting barrel 2 connected to the top of the bottom frame 1, wherein a support frame 3 is connected to the inside of the sand setting barrel 2, a rotating shaft 4 is rotatably connected between the support frame 3 and the bottom center of the sand setting barrel 2 through a bearing, the rotating shaft 4 extends to the lower side of the sand setting barrel 2, a motor 5 is installed at the bottom of the bottom frame 1, the output shaft end of the motor 5 is fixedly connected with the bottom end of the rotating shaft 4 through a coupling, torsion bars 6 are symmetrically arranged on the two sides of the top of the rotating shaft 4, a round filter screen 7 is sleeved on the top of the rotating shaft 4 and the outer side of the torsion bars 6 in a sliding manner, the edges of the round filter screen 7 are slidably connected to the inner wall of the sand setting barrel 2, the round filter screen 7 can slide up and down along the rotating shaft 4 and the torsion bars 6, a support plate 8 is connected to the top of the round filter screen 7 and the lower side of the round filter screen 7, a buffer spring 9 is arranged between the support plate 8 and the round filter screen 7, the buffer spring 9 is slidably sleeved on the outer side of the rotating shaft 4, a scraper 10 is uniformly distributed at the bottom of the support frame 3, and the bottom of the top of the filter screen 10 is covered on the round filter screen 7, and the bottom of the round filter screen 7 is covered on the round filter screen 7.

Further, the centrifugal turntable 11 is sleeved on the outer side of the bottom of the rotating shaft 4, the centrifugal turntable 11 is slidably connected to the bottom surface of the inner side of the sand setting barrel 2, a space is arranged between the edge of the centrifugal turntable 11 and the inner wall of the sand setting barrel 2, and fins 12 are uniformly distributed on the top surface of the centrifugal turntable 11 in a circumferential shape.

It should be noted that: the top of the sand setting barrel 2 is provided with a water inlet 18, the side surface of the sand setting barrel 2 is provided with a water outlet pipe 19 and a sand discharging pipe 20 in sequence from top to bottom, and the sand discharging pipe 20 is close to one side of the centrifugal turntable 11.

In this embodiment: when using, discharge sewage in to the sand setting barrel 2 through water inlet 18, through the cooperation of round filter screen 7 that sets up on axis of rotation 4, buffer spring 9 and backup pad 8, can filter sewage, buffer sewage, prevent that silt direct impact filter screen in the sewage from leading to the filter screen damage, improved life, when discharging sand, stop sewage and discharge, through torsion bar 6 of setting, when starter motor 5 drives axis of rotation 4 rotatory, can drive round filter screen 7 and rotate, and cooperate the effect of bar scraper 10, can scrape the grit on the round filter screen 7, avoid causing the filter screen to take place to block up, improved filtration efficiency, simultaneously rotate centrifugal carousel 11 can stir the silt that sand setting barrel 2 bottom was precipitated, prevent that silt from taking place to deposit in the bottom of sand setting barrel 2, can clear up silt effectively fast, the efficiency of discharging sand has been improved.

In a preferred embodiment, the circular filter screen 7 comprises a central plate 13 and a filter screen plate 14 fixedly sleeved outside the central plate 13, and reinforcing rods 15 are uniformly connected between the central plate 13 and the bottom of the filter screen plate 14.

Further, the center of the center plate 13 is provided with a limit mounting hole 16 matched with the rotating shaft 4 and the torsion bar 6, so that the device is convenient to mount and has the function of guiding and limiting.

Furthermore, the inner wall of the top of the sand setting cylinder body 2 is provided with the inward concave limit groove 17, the edge of the filter screen plate 14 is in sliding connection with the side wall of the inward concave limit groove 17, so that the filter screen plate 14 can be guided to rotate, the upper side and the lower side of the filter screen plate 14 can be supported and limited, and the stability is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A sand setting device for sewage treatment, its characterized in that: including chassis (1) and connect in sand setting barrel (2) at chassis (1) top, the internal connection of sand setting barrel (2) has support frame (3), be connected with axis of rotation (4) through the bearing rotation between the bottom center of support frame (3) and sand setting barrel (2), just axis of rotation (4) extend to the below of sand setting barrel (2), motor (5) are installed to the bottom of chassis (1), the output axle head of motor (5) passes through the bottom fixed connection of shaft coupling with axis of rotation (4), the top bilateral symmetry of axis of rotation (4) is equipped with torsion bar (6), the outside sliding sleeve of the top of axis of rotation (4) and torsion bar (6) has circular filter screen (7), and the edge sliding connection of circular filter screen (7) is in sand setting barrel (2) inner wall, the top of axis of rotation (4) just be connected with backup pad (8) in the below of circular filter screen (7), be equipped with buffer spring (9) between backup pad (8) and circular filter screen (7), just buffer spring (9) slip is equipped with torsion bar (9) in the top bilateral symmetry of axis of rotation (4) is equipped with torsion bar (6), the outside of rotation (4) and the outside slip sleeve of rotation (7) has evenly distributed in bar (3), and the bottom edge of the strip-shaped scraper (10) is pressed and covered on the top surface of the circular filter screen (7).

2. A sand setting device for sewage treatment according to claim 1, characterized in that: the centrifugal rotary table (11) is sleeved on the outer side of the bottom of the rotary shaft (4), the centrifugal rotary table (11) is slidably connected to the inner bottom surface of the sand setting barrel (2), and a space is arranged between the edge of the centrifugal rotary table (11) and the inner wall of the sand setting barrel (2).

3. A sand setting device for sewage treatment according to claim 2, characterized in that: the top surface of the centrifugal turntable (11) is uniformly distributed with fins (12) in a circumferential shape.

4. A sand setting device for sewage treatment according to claim 1, characterized in that: the circular filter screen (7) comprises a central plate (13) and a filter screen plate (14) fixedly sleeved on the outer side of the central plate (13), and reinforcing rods (15) are uniformly connected between the central plate (13) and the bottom of the filter screen plate (14).

5. A sand setting device for sewage treatment according to claim 4, wherein: and a limiting mounting hole (16) matched with the rotating shaft (4) and the torsion bar (6) is formed in the center of the center plate (13).

6. A sand setting device for sewage treatment according to claim 5, wherein: the inner wall of the top of the sand setting barrel body (2) is provided with an inward concave limit groove (17), and the edge of the filter screen plate (14) is in sliding connection with the side wall of the inward concave limit groove (17).

7. A sand setting device for sewage treatment according to claim 2, characterized in that: the top of the sand setting barrel body (2) is provided with a water inlet (18), the side surface of the sand setting barrel body (2) is sequentially provided with a water outlet pipe (19) and a sand discharging pipe (20) from top to bottom, and the sand discharging pipe (20) is close to one side of the centrifugal turntable (11).