CN213077648U - Backwashing system for deep denitrification reactor device - Google Patents

Abstract

The application relates to a backwash system for degree of depth denitrification reactor device, it includes columniform transit jar, the transit jar inboard is equipped with the filter plate, it is equipped with rotatable pole of scraping to cross the subsides of filter plate upper surface, transit jar one side is equipped with the drain, the drain is equipped with the lid that can open and close. This application has when needs clearance filter plate, rotates and scrapes the pole and clear up filter plate upper surface to can concentrate impurity etc. of filter plate upper surface together and clear up through the drain, thereby reduce the effect of the accumulational possibility of filter plate upper surface impurity.

Description

Backwashing system for deep denitrification reactor device

Technical Field

The application relates to the field of sewage treatment, in particular to a backwashing system for a deep denitrification reactor device.

Background

In the process of sewage denitrification treatment, impurities filtered out by sewage are often intercepted by a backwashing system, so that the filtering capacity of the filter is recovered in a short time.

At present, refer to the chinese utility model patent of publication No. CN201807369U, it discloses a chromatography column backwash system, including water pipe, cylinder, compressed air pipe, waste water transfer basin, vacuum tube, backwash waste water outflow pipe, filter plate, water pipe and compressed air pipe let in the cylinder bottom from the right and the left side respectively, communicate the one end of backwash waste water outflow pipe and vacuum tube about the cylinder upper portion respectively, the other end intercommunication waste water transfer basin of backwash waste water outflow pipe, filter plate installs the lower part in waste water transfer basin jar. The resin overflowing from the top along the waste water outflow pipe can be collected in a tank and refilled into the column after backwashing is finished.

Aiming at the related technologies, the inventor thinks that the defects that the upper surface of the filter screen plate is inconvenient to clean and is easy to cause impurities to be accumulated on the upper surface of the filter screen plate exist.

SUMMERY OF THE UTILITY MODEL

In order to facilitate cleaning of the upper surface of the filter screen plate, the application provides a backwashing system for a deep denitrification reactor device.

The utility model provides a backwash system for degree of depth denitrification reactor device, includes columniform transfer jar, transfer jar inboard is equipped with the filter plate, filter plate upper surface supports to be equipped with rotatable scraping rod, transfer jar one side is equipped with the drain, the drain is equipped with the lid that can open and close.

Through adopting above-mentioned technical scheme, when needs clearance filter plate, rotate and scrape the pole and clear up filter plate upper surface to can concentrate impurity etc. of filter plate upper surface together and clear up through the drain, thereby reduce the possibility of filter plate upper surface impurity piling up.

Preferably, the edge position of the filter screen plate is connected with the inner wall of the transfer pot, and the filter screen plate is gradually inclined upwards from the edge to the middle position.

Through adopting above-mentioned technical scheme, make impurity etc. of filtering the otter board upper surface slide downwards with the help of the shape of filtering the otter board to be convenient for the concentrated collection of impurity etc..

Preferably, a collecting groove is arranged at the edge of the filter screen plate.

Through adopting above-mentioned technical scheme, the impurity of filter plate upper surface etc. slides to the collecting vat in along the inclined plane to concentrate collection to impurity etc..

Preferably, the collecting groove penetrates through the lower side of the filter screen plate and is provided with meshes.

Through adopting above-mentioned technical scheme, make the moisture that the collecting vat was crossed in the collecting vat can collect with the help of the mesh in the collecting vat, reduce the possibility that ponding condition takes place in the collecting vat.

Preferably, a scraping block is fixed at one end, close to the collecting tank, of the scraping rod, and the lower side of the scraping block abuts against the inner bottom surface of the collecting tank.

Through adopting above-mentioned technical scheme, promote impurity etc. to same department in the collecting vat with the help of scraping the material piece and clear up, can clear up the collecting vat inboard simultaneously.

Preferably, the edge of the scraping block close to the transfer tank is arc-shaped.

Through adopting above-mentioned technical scheme, when scraping the material piece and clearing up the transfer tank, make scraping material piece and transfer tank inner wall adaptation more with the help of arc edge.

Preferably, a rotating shaft is fixed at the upper end of the scraping rod, and the upper end of the rotating shaft is rotatably connected with the transfer tank and is connected with a driving motor.

Through adopting above-mentioned technical scheme, when the pole rotates is scraped to needs, can drive the axis of rotation with the help of driving motor and rotate, the axis of rotation drives and scrapes the pole and rotate, and then makes to scrape the pole and rotate clearance impurity convenient laborsaving more.

Preferably, the driving motor is a servo motor.

Through adopting above-mentioned technical scheme, with the help of the start-stop of the axis of rotation of being convenient for of servo motor, be convenient for scrape impurity etc. to the position that is close to the drain to be convenient for clear up impurity etc. out by the drain.

Preferably, the scraper block is a hard rubber scraper block.

Through adopting above-mentioned technical scheme, the scraping piece makes the scraping piece clean cleaner to the internal wall round of revolving tank with the help of the scraping piece of stereoplasm rubber.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the filter screen plate needs to be cleaned, the scraping rod is rotated to clean the upper surface of the filter screen plate, and impurities and the like on the upper surface of the filter screen plate can be collected together and cleaned through the sewage discharge port, so that the possibility of impurity accumulation on the upper surface of the filter screen plate is reduced;

2. impurities and the like on the upper surface of the filter screen plate slide downwards by virtue of the shape of the filter screen plate, so that the impurities and the like are conveniently collected in a centralized manner;

3. when the rod rotates when needs are scraped, can drive the axis of rotation with the help of driving motor and rotate, the axis of rotation drives and scrapes the rod and rotate, and then makes to scrape the rod and rotate clearance impurity convenient laborsaving more.

Drawings

FIG. 1 is a schematic diagram of the backwash system.

Fig. 2 is a first cross-sectional view of the transfer pot.

Fig. 3 is a second sectional view of the transit tank.

Description of reference numerals: 1. a transfer tank; 11. a filter screen plate; 12. a connecting ring; 13. a mounting ring; 14. collecting tank; 15. mesh openings; 16. a blow-off pipe; 161. a sewage draining outlet; 17. a cover body; 2. a cleaning mechanism; 21. a drive motor; 22. mounting blocks; 23. a rotating shaft; 24. a scraping rod; 241. a scraper block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a backwashing system for a deep denitrification reactor device. Referring to fig. 1, the backwashing system includes a cylindrical transfer tank 1, and a filter screen plate 11 is fixed to the inner side of the transfer tank 1. The shape of the filter screen plate 11 is conical, and the highest position of the filter screen is positioned at the axle center of the transit tank 1.

Referring to fig. 2, a vertical connecting ring 12 is vertically arranged at the edge of the filter screen plate 11 downwards, a horizontal mounting ring 13 is integrally fixed at the lower end of the connecting ring 12, and one edge of the mounting ring 13 far away from the connecting ring 12 is abutted and fixed with the inner wall of the transit tank 1. An annular collecting groove 14 with the mounting ring 13 as a groove bottom is formed between the transit tank 1 and the connecting ring 12. The mounting ring 13 is provided with meshes 15 in a penetrating way, and moisture can be filtered to the lower side of the filter screen plate 11 through the meshes 15, so that the possibility that impurities and the like are accumulated in the collecting tank 14 is reduced.

Referring to fig. 3, a sewage pipe 16 is fixed on the outer side wall of the transfer tank 1, one end of the sewage pipe 16 is fixed on the outer side wall of the transfer tank 1, and the other end is opened and provided with a sewage outlet 161. The shape of blow off pipe 16 is inside hollow cylindrical, and blow off pipe 16 lower limb is the same height with the tank bottom of collecting vat 14, and blow off pipe 16 and the inside intercommunication of transfer tank 1.

The blow off pipe 16 is provided with external threads, the cover body 17 is sleeved outside the blow off pipe 16, the cover body 17 is provided with internal threads, and the blow off pipe 16 is in threaded connection with the cover body 17. So that the impurities filtered by the filter screen plate 11 can be discharged through the drain outlet 161, thereby cleaning the impurities filtered by the filter screen plate 11.

Referring to fig. 2, a cleaning mechanism 2 is arranged on the upper side of the filter screen plate 11, the cleaning mechanism 2 comprises a driving motor 21 positioned at the top end of the outer side of the transit tank 1, the type of the driving motor 21 is determined according to actual conditions, and the driving motor 21 is a servo motor. A rotating shaft 23 is fixed to the output shaft of the driving motor 21 in a downward direction, and a cylindrical mounting block 22 is fixed to the lower end of the rotating shaft 23.

Two scraping rods 24 are fixed on the peripheral surface of the mounting block 22 at equal intervals, the scraping rods 24 are obliquely and downwards arranged along the upper surface of the filter screen plate 11, and the lower sides of the scraping rods 24 are abutted against the upper surface of the filter screen plate 11. The end of the scraping rod 24, which is far away from the mounting block 22, vertically extends downwards to be fixed with a scraping block 241, the lower side of the scraping block 241 is abutted against the bottom of the collecting tank 14, and the shape of one surface, close to the transfer tank 1, of the scraping block 241 is arc-shaped and is abutted against the inner wall surface of the transfer tank 1. The scraper block 241 is a hard rubber scraper block 241, and one surface of the scraper block 241 close to the scraper bar 24 is abutted with one surface of the connecting ring 12 close to the inner wall of the transit can 1.

When needs are cleared up filter plate 11, can drive axis of rotation 23 with the help of driving motor 21 and rotate, make and scrape pole 24 and scrape the material clearance along filter plate 11 upper surface, scrape material piece 241 and can clear up collecting vat 14 on one side, concentrate on one side that is close to drain 161 with the impurity in the collecting vat 14 on one side, because driving motor 21 is servo motor, consequently can accurate control the rotational position who scrapes pole 24, when impurity etc. concentrate on waste gate department, can open lid 17, take out impurity etc., thereby will filter plate 11 sanitization.

The application discloses an implementation principle of a backwash system for a deep denitrification reactor device is as follows:

when the filter screen plate 11 works, impurities and the like on the upper surface slide into the collecting tank 14 by virtue of the shape of the filter screen plate 11, and moisture in the collecting tank 14 can be filtered to the lower side of the filter screen plate 11 through the meshes 15, so that the possibility that the impurities and the like are accumulated in the collecting tank 14 is reduced.

When needs are cleared up filter plate 11, can drive axis of rotation 23 with the help of driving motor 21 and rotate, make and scrape pole 24 and scrape the material clearance along filter plate 11 upper surface, scrape material piece 241 and clear up collecting vat 14 on one side in collecting vat 14, concentrate on one side near the waste material mouth with the impurity in collecting vat 14 on one side, because driving motor 21 is servo motor, consequently can accurate control scrape the rotational position of pole 24, when impurity etc. concentrate on waste material mouth department, can open lid 17, take out impurity etc., thereby will filter plate 11 clean up.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A backwash system for a deep denitrification reactor device, comprising a cylindrical transfer tank (1), wherein a filter screen plate (11) is arranged on the inner side of the transfer tank (1), and is characterized in that: the upper surface of the filter screen plate (11) is provided with a rotatable scraping rod (24) in a propping manner, one side of the transfer tank (1) is provided with a sewage draining outlet (161), and the sewage draining outlet (161) is provided with a cover body (17) which can be opened and closed.

2. A backwash system for a deep denitrification reactor device as claimed in claim 1, wherein: the edge position of the filter screen plate (11) is connected with the inner wall of the transit tank (1), and the filter screen plate (11) is gradually inclined upwards from the edge to the middle position.

3. A backwash system for a deep denitrification reactor device as claimed in claim 2, wherein: and a collecting tank (14) is arranged at the edge of the filter screen plate (11).

4. A backwash system for a deep denitrification reactor device as claimed in claim 3, wherein: the collecting groove (14) penetrates through the lower side of the filter screen plate (11) and is provided with meshes (15).

5. A backwash system for a deep denitrification reactor device as claimed in claim 3, wherein: and a scraping block (241) is fixed at one end of the scraping rod (24) close to the collecting tank (14), and the lower side of the scraping block (241) is abutted against the inner bottom surface of the collecting tank (14).

6. A backwash system for a deep denitrification reactor device as claimed in claim 5, wherein: the edge of the scraping block (241) close to the transfer tank (1) is arc-shaped.

7. A backwash system for a deep denitrification reactor device as claimed in claim 1, wherein: the upper end of the scraping rod (24) is fixed with a rotating shaft (23), and the upper end of the rotating shaft (23) is rotatably connected with the transfer tank (1) and is connected with a driving motor (21).

8. A backwash system for a deep denitrification reactor device as claimed in claim 7, wherein: the driving motor (21) is a servo motor.

9. A backwash system for a deep denitrification reactor device as claimed in claim 5, wherein: the scraping block (241) is a hard rubber scraping block.

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