CN219376215U - Domestic sewage filtration system - Google Patents

Abstract

The utility model relates to a domestic sewage filtering system, which is provided with a filtering box and grating plates, wherein the grating plates are vertically arranged in the filtering box and divide the filtering box into a water inlet area and a post-filtering area, sewage is filtered by the water inlet area through the grating plates and then enters the post-filtering area, and particle impurities are filtered by the grating plates and then remain in the water inlet area; a lifting frame is arranged in the water inlet area through a lifting mechanism, and the side surface of the lifting frame is respectively in sliding fit with the inner wall of the filter box; the inner sliding of the lifting frame is provided with a built-in frame, the top of the built-in frame is fixed with a limit frame plate around the port of the built-in frame, the lower surface of the limit frame plate is abutted against the surface of the upper end part of the lifting frame, and the bottom of the built-in frame is fixed with a filter screen; one side of the upper surface of the limit frame plate, which is close to the grating plate, is fixed with a scraping plate, and the scraping plate is in sliding fit with the surface of the grating plate. The filter treatment can be ensured to be continuously carried out under the condition that the grating plate is taken out from the filter box without shutdown, the efficiency of sewage filtering treatment is improved, the operation is simple, and the practicability is high.

Description

Domestic sewage filtration system

Technical Field

The utility model relates to the field of sewage treatment, in particular to a domestic sewage filtering system.

Background

Domestic sewage is waste water discharged from daily life of residents and mainly originates from residential buildings and public buildings, and pollutants contained in the domestic sewage are mainly organic matters, a large number of pathogenic microorganisms and more granular impurities, so that the domestic sewage is required to be treated because the organic matters in the sewage are extremely unstable and are easy to decompose to generate malodor, and meanwhile, bacteria and pathogens are propagated in a large quantity by taking the organic matters in the domestic sewage as nutrition, so that infectious diseases can be spread and prevalent.

When sewage treatment, because the sewage contains suspended solids and floaters, the suspended solids and floaters need to be filtered, and in a traditional sewage treatment system, the grid is utilized to filter particle pollutants, and impurities in the sewage are accumulated and adsorbed for a long time, so that the blockage of the grid is easily caused, and the grid needs to be cleaned regularly.

The conventional method for cleaning the grids is to take the grids out of water for cleaning, but frequently take the grids out of water, so that the sewage system cannot work normally and needs to be stopped, thereby reducing the sewage treatment efficiency.

Disclosure of Invention

The utility model aims to provide a high-efficiency domestic sewage filtering system.

In order to achieve the above purpose, the present utility model provides the following technical solutions.

A domestic sewage filtering system is provided with a filtering box and grating plates, wherein the grating plates are vertically arranged in the filtering box and divide the filtering box into a water inlet area and a filtered area, sewage is filtered by the water inlet area through the grating plates and then enters the filtered area, and particle impurities are filtered by the grating plates and then remain in the water inlet area; a lifting frame is arranged in the water inlet area through a lifting mechanism, and the side surface of the lifting frame is respectively in sliding fit with the inner wall of the filter box; the inner sliding of the lifting frame is provided with a built-in frame, the top of the built-in frame is fixed with a limit frame plate around the port of the built-in frame, the lower surface of the limit frame plate is abutted against the surface of the upper end part of the lifting frame, and the bottom of the built-in frame is fixed with a filter screen; a scraping plate is fixed on one side, close to the grating plate, of the upper surface of the limiting frame plate, and the scraping plate is in sliding fit with the surface of the grating plate; the lifting frame and the built-in frame are driven to move up and down along the vertical direction by the lifting mechanism, and the scraping plate is driven to scrape off the particle impurities adsorbed on the grating plate.

Therefore, the lifting mechanism works to drive the lifting frame and the built-in frame to move upwards synchronously, the scraping plate is driven to be attached to the surface of the grating plate and move upwards, the scraping plate scrapes off particle impurities adsorbed on the surface of the grating plate and is mixed into sewage above the filter screen in the water inlet area, the particle impurities can be collected in a collecting cavity formed by the built-in frame and the filter screen through the filter screen, after the lifting frame and the built-in frame move to the position above the filter box, the built-in frame can be pulled out from the lifting frame vertically upwards, the particle impurities collected in the built-in frame are convenient to clean, the grating plate can be cleaned under the condition that the grating plate is taken out from the filter box without shutdown, the blocking of the grating plate caused by excessive particle impurities is avoided, the continuous filtration treatment can be ensured, the efficiency of sewage filtration treatment is improved, and the operation is simple and the practicability is high.

Further, the side of the scraping plate, which is far away from the grating plate, is in an inclined plane shape.

The scraped particle impurities can roll down along the inclined plane of the scraping plate to a collecting cavity formed by the built-in frame and the filter screen.

Further, two threaded holes are formed in one side, far away from the grating plate, of the lifting frame; through holes are respectively formed in positions, corresponding to the two threaded holes, of the limiting frame plate in a penetrating mode, fastening screws are inserted into the through holes, and the fastening screws and the threaded holes are in corresponding meshing fit.

Through the meshing cooperation of fastening screw and screw hole, can fasten built-in frame in the lift frame, avoid built-in frame to slide from top to bottom at will, promoted to scrape clean effect to grid board surface, unscrewed the fastening screw from the screw hole simultaneously, realize the dismantlement of built-in frame, be convenient for clear up the granule impurity of collecting in the built-in frame.

Further, the lifting mechanism comprises a driving groove A vertically arranged on the inner wall of the filter box, a threaded rod A rotatably arranged in the driving groove A, a movable seat A engaged and sleeved on the threaded rod A, and a driving motor A arranged above the box opening of the filter box; the driving motor A is fixedly arranged above the filter box through a fixing frame; the upper end part of the threaded rod A extends to the upper part of the box opening of the filter box in a penetrating way and is fixedly connected with the output end of the driving motor A in a coaxial way; the movable seat A is arranged in the driving groove A in a limiting sliding manner; the lifting frame is fixed on the end part of the movable seat A, which is positioned outside the driving groove A.

The threaded rod A is driven to rotate through the work of the driving motor A, and the rotating threaded rod A can be meshed to drive the movable seat A to slide in the driving groove A, so that the lifting frame and the built-in frame are driven to move up and down to achieve the lifting effect.

Further, a water inlet pipe which is directly communicated with the water inlet area is arranged at one side of the filter box far from the post-filtration area and close to the box opening, and a water outlet pipe which is directly communicated with the post-filtration area is arranged at one side of the filter box far from the water inlet area and close to the box bottom.

The sewage can be injected into the water inlet area through the water inlet pipe, filtered by the grating plate, flows into the filtered area, and is conveniently discharged through the water outlet pipe.

Further, the both sides of the upper surface of the limit frame plate are respectively fixed with a mounting block, and hanging holes are formed in the mounting blocks.

The hanging hooks penetrate through the hanging holes and lift the built-in frame, so that the built-in frame can be conveniently taken out from the lifting frame.

Further, a driving groove B is formed in the inner wall of the filtering box in the filtered area, a threaded rod B is rotatably mounted in the driving groove B, a moving seat B is sleeved on the threaded rod B in a meshed mode, a driving motor B is fixedly mounted above a port of the filtering box, and the top of the threaded rod B penetrates through and extends to the upper side of the filtering box and is fixedly connected with the output end portion of the driving motor B in a coaxial mode; the side surface of the movable seat B is fixedly provided with a diversion box horizontally arranged in the filtered area, the side surface of the diversion box, which is close to the grating plate, is communicated with a row of nozzles with nozzles aligned to the grating plate, and the nozzles are slightly higher than the scraping plate; the driving motor B works to drive the threaded rod B to rotate, so that the movable seat B can be driven to slide up and down along the driving groove B, and the diversion box and the lifting frame are driven to synchronously lift.

When the driving motor A works, the driving motor B also starts to work, the driving motor B drives the threaded rod B to rotate, the moving seat B is driven to drive the diversion box and the lifting frame to synchronously lift, the diversion box is communicated with the water pump through the water pipe, water is led into the diversion box through the water pump and sprayed out by the nozzle aiming at the grating plate, impurities in a filtering channel of the grating plate can be flushed into a water inlet area, the impurities are conveniently collected by the built-in frame, and the cleaning effect on the grating plate is further improved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the filter box mouth of the filter box in the utility model;

FIG. 3 is a schematic view of the assembly structure of the lifting frame and the built-in frame in the present utility model;

FIG. 4 is a schematic view of a partial structure of a surface of a lifting frame according to the present utility model;

FIG. 5 is a schematic view of a partial structure of a surface of a built-in frame according to the present utility model;

FIG. 6 is an enlarged schematic view of the structure shown in FIG. 2A;

fig. 7 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: 1. a filter box; 101. a water inlet pipe; 102. a drain pipe; 11. a water inlet area; 12. a post-filtration zone; 2. a grating plate; 3. a lifting frame; 31. a threaded hole; 4. a built-in frame; 401. a filter screen; 41. a limit frame plate; 411. a scraper; 412. a through hole; 413. fastening a screw; 414. a mounting block; 415. a hanging hole; 5. a driving groove A; 51. a threaded rod A; 52. a movable seat A; 53. a fixing frame; 54. a driving motor A; 6. a driving groove B; 61. a threaded rod B; 62. a movable seat B; 63. a driving motor B; 64. a diversion box; 641. and (3) a nozzle.

Description of the embodiments

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.

Referring to fig. 1 to 7, the domestic sewage filtering system provided by the utility model is provided with a filtering box 1 and a grating plate 2, wherein the grating plate 2 is vertically arranged in the filtering box 1, the filtering box 1 is divided into a water inlet area 11 and a post-filtering area 12, sewage is filtered by the water inlet area 11 through the grating plate 2 and then enters the post-filtering area 12, and particle impurities are filtered by the grating plate 2 and then remain in the water inlet area 11; a lifting frame 3 is arranged in the water inlet area 11 through a lifting mechanism, and the side surface of the lifting frame 3 is respectively in sliding fit with the inner wall of the filter tank 1; the lifting frame 3 is internally provided with a built-in frame 4 in a sliding manner, the top of the built-in frame 4 is fixedly provided with a limiting frame plate 41 around the port of the built-in frame, the lower surface of the limiting frame plate 41 is abutted against the surface of the upper end part of the lifting frame 3, and the bottom of the built-in frame 4 is fixedly provided with a filter screen 401; a scraping plate 411 is fixed on one side, close to the grid plate 2, of the upper surface of the limiting frame plate 41, and the scraping plate 411 is in sliding fit with the surface of the grid plate 2; the lifting frame 3 and the built-in frame 4 are driven to move up and down along the vertical direction by the lifting mechanism, and the scraping plate 411 is driven to scrape off the particle impurities adsorbed on the grating plate 2.

The device is filtered by the grating plate 2, larger particle impurities are reserved in the water inlet area 11, meanwhile, partial particle impurities are adsorbed on the surface of the grating plate 2, the lifting frame 3 and the built-in frame 4 are driven to synchronously move upwards through the lifting mechanism, the scraping plate 411 is driven to be attached to the surface of the grating plate 2 and move upwards, the particle impurities adsorbed on the surface of the grating plate 2 are scraped by the scraping plate 411 and mixed into sewage above the filter screen 401 in the water inlet area 11, meanwhile, the particle impurities can be finally collected in a collecting cavity formed by the built-in frame 4 and the filter screen 401 through the filter screen 401, after the lifting frame 3 and the built-in frame 4 are moved to the position above the filter box 1, the built-in frame 4 can be vertically pulled upwards from the lifting frame 3, so that the particle impurities collected in the built-in frame 4 can be cleaned conveniently, the grating plate 2 can be cleaned under the condition that the grating plate 2 is taken out from the filter box 1 without shutdown, the blocking of the grating plate 2 caused by excessive particle impurities is avoided, and the continuous filtering treatment can be ensured.

Specifically, the side of the scraper 411 away from the grating plate 2 is inclined. By tilting the scraper 411 even more, the scraped off particulate impurities can be easily rolled down the inclined surface of the scraper 411 into the collection chamber formed by the built-in frame 4 and the filter screen 401.

Specifically, two threaded holes 31 are formed in one side, far away from the grating plate 2, of the lifting frame 3; through holes 412 are respectively penetrated through the limit frame plate 41 at positions corresponding to the two threaded holes 31, and fastening screws 413 are respectively inserted into the through holes 412, and the fastening screws 413 and the threaded holes 31 are correspondingly engaged. Through the meshing cooperation of fastening screw 413 and screw hole 31, can fasten built-in frame 4 in lifting frame 3, avoid built-in frame 4 to slide from top to bottom at will, promoted to scrape clean effect to grid board 2 surface, unscrewed fastening screw 413 from screw hole 31 simultaneously, realize the dismantlement of built-in frame 4, be convenient for clear up the granule impurity of collecting in the built-in frame 4.

Specifically, the lifting mechanism comprises a driving groove A5 vertically arranged on the inner wall of the filter box 1, a threaded rod A51 rotatably arranged in the driving groove A5, a movable seat A52 engaged and sleeved on the threaded rod A51, and a driving motor A54 arranged above the box opening of the filter box 1; the driving motor A54 is fixedly arranged above the filter box 1 through the fixing frame 53; the upper end part of the threaded rod A51 extends to the upper part of the box opening of the filter box 1 in a penetrating way and is fixedly connected with the output end of the driving motor A54 in a coaxial way; the movable seat A52 is arranged in the driving groove A5 in a limiting sliding manner; the lifting frame 3 is fixed on the end of the movable seat a52 outside the driving groove A5. The driving motor A54 works to drive the threaded rod A51 to rotate, and the rotating threaded rod A51 can be meshed to drive the movable seat A52 to slide in the driving groove A5, so that the lifting frame 3 and the built-in frame 4 are driven to move up and down to achieve the lifting effect.

Specifically, a water inlet pipe 101 which is directly communicated with the water inlet area 11 is arranged at the side of the filter tank 1 far away from the post-filtration area 12 and close to the tank opening, and a water outlet pipe 102 which is directly communicated with the post-filtration area 12 is arranged at the side of the filter tank 1 far away from the water inlet area 11 and close to the tank bottom. The sewage can be injected into the water inlet area 11 through the water inlet pipe 101, filtered by the grating plate 2, placed into the filtered area 12 and discharged by the water discharge pipe 102, and meanwhile, the bottom of the filter box 1 is also connected with a sewage discharge pipe which is directly communicated with the water inlet area 11, so that the sewage mixed with the particle impurities and positioned below the filter screen 401 in the water inlet area 11 can be conveniently discharged.

Specifically, the two sides of the upper surface of the limiting frame plate 41 are respectively fixed with a mounting block 414, and hanging holes 415 are formed in the mounting blocks 414. When the built-in frame 4 moves to the position above the port of the filter box 1, the built-in frame 4 is conveniently taken out from the lifting frame 3 by penetrating the hanging hooks through the hanging holes 415 and lifting the built-in frame 4.

Specifically, a driving groove B6 is formed in the inner wall of the filter box 1 in the post-filter area 12, a threaded rod B61 is rotatably mounted in the driving groove B6, a movable seat B62 is sleeved on the threaded rod B61 in a meshed mode, a driving motor B63 is fixedly mounted above a port of the filter box 1, and the top of the threaded rod B61 penetrates through and extends to the position above the filter box 1 and is fixedly connected with the output end of the driving motor B63 in a coaxial mode; the side surface of the movable seat B62 is fixedly provided with a diversion box 64 horizontally arranged in the filtered area 12, the side surface of the diversion box 64, which is close to the grating plate 2, is communicated with a row of nozzles 641 with nozzles aligned with the grating plate 2, and the nozzles 641 are slightly higher than the scraping plate 411; the driving motor B63 works to drive the threaded rod B61 to rotate, so that the movable seat B62 can be driven to slide up and down along the driving groove B6, and the diversion box 64 and the lifting frame 3 are driven to synchronously lift. When the driving motor A54 works, the driving motor B63 also starts to work, the driving motor B63 drives the threaded rod B61 to rotate, the moving seat B62 is driven to drive the diversion box 64 and the lifting frame 3 to synchronously lift, the diversion box 64 is communicated with the water pump through the water pipe, water is led into the diversion box 64 through the water pump and is sprayed out by the nozzle 641 aiming at the grid plate 2, impurities in a filtering channel of the grid plate 2 can be flushed into the water inlet area 11, the impurities are conveniently collected by the built-in frame 4, and the cleaning effect on the grid plate 2 is further improved.

The foregoing detailed description of the utility model has been presented in conjunction with a specific embodiment, and it is not intended that the utility model be limited to such detailed description. Several equivalent substitutions or obvious modifications will occur to those skilled in the art to which this utility model pertains without departing from the spirit of the utility model, and the same should be considered to be within the scope of this utility model as defined in the appended claims.

Claims (7)

1. A domestic sewage filtration system having a filtration tank (1) and a grating plate (2), characterized in that:

the grid plate (2) is vertically arranged in the filter box (1) and divides the interior of the filter box (1) into a water inlet area (11) and a filtered area (12), sewage is filtered by the water inlet area (11) through the grid plate (2) and enters the filtered area (12), and particle impurities are filtered by the grid plate (2) and remain in the water inlet area (11);

a lifting frame (3) is arranged in the water inlet area (11) through a lifting mechanism, and the side surface of the lifting frame (3) is respectively in sliding fit with the inner wall of the filter box (1);

the lifting frame (3) is internally provided with a built-in frame (4) in a sliding manner, the top of the built-in frame (4) surrounds a port of the built-in frame, a limiting frame plate (41) is fixed on the top of the built-in frame, the lower surface of the limiting frame plate (41) is abutted against the surface of the upper end part of the lifting frame (3), and a filter screen (401) is fixed at the bottom of the built-in frame (4);

a scraping plate (411) is fixed on one side, close to the grid plate (2), of the upper surface of the limit frame plate (41), and the scraping plate (411) is in sliding fit with the surface of the grid plate (2);

the lifting mechanism drives the lifting frame (3) and the built-in frame (4) to lift and move along the vertical direction, and drives the scraping plate (411) to scrape off the particle impurities adsorbed on the grating plate (2).

2. A domestic sewage filtration system according to claim 1, wherein:

the side of the scraping plate (411) far away from the grating plate (2) is in an inclined plane shape.

3. A domestic sewage filtration system according to claim 1, wherein:

two threaded holes (31) are formed in one side, away from the grating plate (2), of the lifting frame (3);

through holes (412) are respectively formed in positions, corresponding to the two threaded holes (31), of the limiting frame plate (41), fastening screws (413) are respectively inserted into the through holes (412), and the fastening screws (413) are correspondingly engaged with the threaded holes (31).

4. A domestic sewage filtration system according to claim 1, wherein:

the lifting mechanism comprises a driving groove A (5) vertically arranged on the inner wall of the filter box (1), a threaded rod A (51) rotatably arranged in the driving groove A (5), a movable seat A (52) engaged with and sleeved on the threaded rod A (51) and a driving motor A (54) arranged above a box opening of the filter box (1);

the driving motor A (54) is fixedly arranged above the filter box (1) through a fixing frame (53);

the upper end part of the threaded rod A (51) penetrates through and extends to the upper part of the box opening of the filter box (1) and is fixedly connected with the output end of the driving motor A (54) in a coaxial way;

the movable seat A (52) is arranged in the driving groove A (5) in a limiting sliding manner;

the lifting frame (3) is fixed on the end part of the movable seat A (52) positioned outside the driving groove A (5).

5. A domestic sewage filtration system according to claim 1, wherein:

the filter box (1) is far away from the place where the side of the filtered area (12) is close to the box opening, a water inlet pipe (101) which is directly communicated with the water inlet area (11) is arranged, and a water outlet pipe (102) which is directly communicated with the filtered area (12) is arranged at the place where the side of the filter box (1) is far away from the water inlet area (11) and is close to the box bottom.

6. A domestic sewage filtration system according to claim 1, wherein:

mounting blocks (414) are respectively fixed on two sides of the upper surface of the limiting frame plate (41), and hanging holes (415) are formed in the mounting blocks (414).

7. A domestic sewage filtration system according to claim 1, wherein:

the inner wall of the filter box (1) positioned in the post-filtering area (12) is provided with a driving groove B (6), a threaded rod B (61) is rotatably installed in the driving groove B (6), a movable seat B (62) is sleeved on the threaded rod B (61) in a meshed mode, a driving motor B (63) is fixedly installed above a port of the filter box (1), and the top of the threaded rod B (61) penetrates through and extends to the position above the filter box (1) and is fixedly connected with the output end part of the driving motor B (63) in a coaxial mode;

a diversion box (64) horizontally arranged in the filtered area (12) is fixed on the side surface of the movable seat B (62), a row of nozzles (641) with nozzles aligned with the grating plate (2) are communicated with the side surface of the diversion box (64) close to the grating plate (2), and the nozzles (641) are slightly higher than the scraping plate (411);

the driving motor B (63) works to drive the threaded rod B (61) to rotate, so that the movable seat B (62) can be driven to slide up and down along the driving groove B (6), and the diversion box (64) and the lifting frame (3) are driven to synchronously lift.