CN223329123U

CN223329123U - Sewage treatment device of denitrification biological filter

Info

Publication number: CN223329123U
Application number: CN202422594343.7U
Authority: CN
Inventors: 张华杰; 邵磊磊; 朱招林; 凌帅; 鲜海英
Original assignee: Zhejiang Water Treatment Equipment Co ltd
Current assignee: Zhejiang Water Treatment Equipment Co ltd
Priority date: 2024-10-25
Filing date: 2024-10-25
Publication date: 2025-09-12
Anticipated expiration: 2034-10-25

Abstract

The utility model relates to the technical field of ship sewage treatment, in particular to a denitrification biological filter sewage treatment device, which comprises a mounting plate, wherein a nitrification biological filter main body is fixedly connected to the mounting plate, a water outlet pipe and a biological filter material are fixedly connected to the nitrification biological filter main body, a storage box is fixedly arranged on one side of the nitrification biological filter main body, a filter box is fixedly arranged on one side surface of the storage box, an opening communicated with the storage box is formed in one side of the filter box, a sealing plate is rotatably arranged in the opening, a filter screen is fixedly arranged in the filter box, and a water inlet pipe and a hydraulic cylinder are fixedly arranged on the filter box. The utility model effectively avoids impurities entering the nitrifying biological filter main body along with sewage, thereby preventing the impurities from adhering to the inner wall of the device, effectively reducing the cleaning frequency of the device and being beneficial to the use of the device.

Description

Sewage treatment device of denitrification biological filter

Technical Field

The utility model relates to the technical field of ship sewage treatment, in particular to a sewage treatment device of a denitrification biological filter.

Background

Along with the continuous development of society and continuous progress of technology, the technology related to ship sewage treatment is also continuously improved, and in order to prevent the sewage on a ship from being directly discharged into rivers and lakes at present, denitrification biological filter sewage treatment equipment is generally utilized for denitrification treatment of the sewage, so that body eutrophication can be effectively avoided, and environmental protection is facilitated.

At present, when the sewage treatment equipment of the denitrification biological filter is used, impurities in sewage are inconvenient to filter, and the impurities are easy to attach to the inner wall of the equipment after directly entering the sewage treatment equipment of the denitrification biological filter along with the sewage, so that the cleaning frequency of the equipment can be increased, and the equipment is not beneficial to use.

Disclosure of utility model

The utility model aims to solve the defects in the prior art that when the sewage treatment equipment of the existing denitrification biological filter is used, impurities in sewage are inconvenient to filter, the impurities are easy to attach to the inner wall of the equipment after entering the sewage treatment equipment of the denitrification biological filter along with the sewage, and the cleaning frequency of the equipment is increased, so that the equipment is not beneficial to use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The sewage treatment device comprises a mounting plate, wherein a nitrifying biological filter main body is fixedly connected to the mounting plate, a water outlet pipe and biological filter materials are fixedly connected to the nitrifying biological filter main body, a storage box is fixedly arranged on one side of the nitrifying biological filter main body, a filter box is fixedly arranged on one side surface of the storage box, an opening communicated with the storage box is formed in one side of the filter box, and a sealing plate is rotatably arranged in the opening;

The filter screen is fixedly installed in the filter tank, the water inlet pipe and the hydraulic cylinder are fixedly arranged on the filter tank, the scraping plate is fixedly arranged on the driving end of the hydraulic cylinder, the surface of the scraping plate is attached to the upper surface of the filter screen, a cross rod is fixedly connected to one side of the scraping plate, a suction assembly is arranged on the filter tank, the suction assembly comprises a water pump connected with the filter tank through a fixed pipe, the water pump is connected with the nitrifying biological filter main body through a discharge pipe, and a rotating assembly is arranged in the nitrifying biological filter main body.

Preferably, the rotating assembly comprises a rotating shaft rotatably arranged on the nitrifying biological filter main body, a plurality of rotating plates and two cams are fixedly connected to the rotating shaft, and the rotating shaft is connected with the scraping plate through a pull rope.

Preferably, a first torsion spring is sleeved on the rotating shaft, one end of the first torsion spring is fixedly connected with the rotating shaft, and the other end of the first torsion spring is fixedly connected with the surface of the nitrifying biological filter body.

Preferably, the bottom fixedly connected with of rose box is the spacing ring of slope setting, the through-hole has been seted up on the spacing ring.

Preferably, the inner walls of two sides of the nitrifying biological filter main body are connected with inclined plates through second torsion springs, two side surfaces of each inclined plate are fixedly connected with a plurality of fixing rods, and one inclined plate is provided with an opening.

Preferably, a first sealing cover plate is clamped at one side of the filter box, and a second sealing cover plate is clamped at one side of the storage box.

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

the filter screen can effectively filter impurity that mingles in the sewage, the in-process of scraper blade round trip movement can carry out the clearance of high efficiency quick to the filter screen, effectively avoid the filter screen to take place to block up to can carry out filtering treatment to the impurity in the sewage for a long time, conveniently carry out filtering treatment to the impurity in the sewage, effectively avoid impurity to enter into the inside of nitrifying biological filter main part along with sewage is direct, and then prevent that the impurity from adhering to on the inner wall of device, can effectively reduce the frequency of cleaning to the device, be favorable to the use of device.

Drawings

FIG. 1 is a schematic diagram of the front structure of a sewage treatment device of a denitrification biological filter in the utility model;

FIG. 2 is a schematic view of a partial cross-sectional front view of a sewage treatment device of a denitrification biological filter in accordance with the present utility model;

FIG. 3 is a schematic diagram of a partial cross-sectional side view of a sewage treatment device of a denitrification biological filter in accordance with the present utility model;

fig. 4 is a schematic diagram of a partial cross-sectional structure of a sewage treatment device of a denitrification biological filter in a top view.

In the figure, a rotating shaft, a 2 nitrifying biological filter main body, a 3 cam, a 4 first torsion spring, a 5 storage box, a 6 water inlet pipe, a 7 pull rope, a 8 water pump, a 9 discharge pipe, a 10 limit ring, a 11 hydraulic cylinder, a 12 scraping plate, a 13 cross rod, a 14 filter box, a 15 filter screen, a 16 biological filter material, a 17 inclined plate, a 18 second torsion spring, a 19 fixed rod, a 20 sealing plate and a 21 rotating plate are arranged.

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.

The terms such as "upper", "lower", "left", "right", "middle" and "a" and the like are also used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationship may be altered or modified without materially altering the technology.

Referring to fig. 1-4, a sewage treatment device for a denitrification biological filter comprises a mounting plate, wherein a nitrification biological filter main body 2 is fixedly connected to the mounting plate, a water outlet pipe and a biological filter 16 are fixedly connected to the nitrification biological filter main body 2, a storage box 5 is fixedly installed on one side of the nitrification biological filter main body 2, a filter box 14 is fixedly installed on one side surface of the storage box 5, when the sewage treatment device is used, the mounting plate can be fixed on a ship through bolts, an opening communicated with the storage box 5 is formed in one side of the filter box 14, a sealing plate 20 is rotatably installed in the opening, a filter screen 15 is fixedly installed in the filter box 14, a water inlet pipe 6 and a hydraulic cylinder 11 are fixedly arranged on the filter box 14, a scraping plate 12 is fixedly arranged at the driving end of the hydraulic cylinder 11, the surface of the scraping plate 12 is attached to the upper surface of the filter screen 15, a cross rod 13 is fixedly connected to one side of the scraping plate 12, a suction assembly is arranged on the filter box 14, the suction assembly comprises a water pump 8 connected with the filter box 14 through a fixing pipe 9, and the nitrification biological filter main body 2, and a rotating assembly is arranged in the biological filter main body 2.

The rotating assembly comprises a rotating shaft 1 which is rotatably arranged on a nitrifying biological filter main body 2, a plurality of rotating plates 21 and two cams 3 are fixedly connected to the rotating shaft 1, the rotating shaft 1 is connected with a scraping plate 12 through a pull rope 7, a first torsion spring 4 is sleeved on the rotating shaft 1, one end of the first torsion spring 4 is fixedly connected with the rotating shaft 1, the other end of the first torsion spring 4 is fixedly connected with the surface of the nitrifying biological filter main body 2, a limiting ring 10 which is obliquely arranged is fixedly connected to the bottom of a filter tank 14, through holes are formed in the limiting ring 10, inclined plates 17 are connected to the inner walls of two sides of the nitrifying biological filter main body 2 through second torsion springs 18, a plurality of fixing rods 19 are fixedly connected to the surfaces of each inclined plate 17, an opening is formed in one inclined plate 17, the scraping plate 12 is driven by a hydraulic cylinder 11 to move back and forth, one end of the inelastic pull rope 7 is fixedly connected with the scraping plate 12, the other end of the inelastic pull rope is wound on the rotating shaft 1 and can not be separated from the rotating shaft 7, the rotating shaft 1 can rotate relative to the nitrify biological filter main body 2 under the driving action of the pull rope 7, and the first torsion spring 4 can rotate relatively.

The stay cord 7 runs through the through-hole, limiting ring 10 has certain limiting displacement to stay cord 7, pivot 1 pivoted in-process can drive a plurality of rotor pieces 21 and two cams 3 and rotate together, cam 3 pivoted in-process can extrude two swash plates 17 in proper order, make swash plate 17 and nitrify biological filter main part 2 take place relative rotation, because the one end and the swash plate 17 fixed connection of second torsion spring 18, the inner wall fixed connection of the other end and nitrify biological filter main part 2, the second torsion spring 18 takes place deformation, open-ended setting can effectively avoid swash plate 17 pivoted in-process to contact with stay cord 7, swash plate 17 and a plurality of length different dead levers 19 deflect the in-process, can stir the sewage, also can stir the sewage fully when a plurality of rotor pieces 21 rotate, accelerate the flow velocity of sewage in nitrify biological filter main part 2, can make sewage and nitrify biological filter main part 2's contact more even comprehensive, and then can improve sewage denitrification effect.

One side joint of rose box 14 has first sealed apron, and one side joint of containing box 5 has the sealed apron of second, and the leakproofness is good when first sealed apron and rose box 14 joint, breaks away from first sealed apron and rose box 14 to the inner wall to rose box 14 is cleared up, and the leakproofness is good when second sealed apron and containing box 5 joint, when breaking away from second sealed apron and containing box 5, conveniently takes out the impurity of containing box 5 inside.

In the utility model, when in use, a proper amount of sewage is firstly added into the filter tank 14 through the water inlet pipe 6, after the sewage passes through the filter screen 15, impurities mixed in the sewage can be filtered, meanwhile, the hydraulic cylinder 11 drives the scraping plate 12 to move back and forth, in the process of moving the scraping plate 12 to the right (as shown in the attached figure 2), the surface of the filter screen 15 is closely contacted, the impurities on the surface of the filter screen 15 can be scraped off, in the process of moving the scraping plate 12, one end of the cross rod 13 gradually abuts against the surface of the sealing plate 20, further, the sealing plate 20 deflects towards the interior of the containing tank 5, in the process of continuing to move the scraping plate 12, the impurities on the filter screen 15 can be pushed to the interior of the containing tank 5, in the process, because the sewage flowing in the water inlet pipe 6 is limited, the filter screen 15 is not blocked, the sewage can not flow into the interior of the containing tank 5, then the hydraulic cylinder 11 drives the scraping plate 12 to move reversely, the cross rod 13 is separated from the sealing plate 20, the sealing plate 20 is rotated to the vertical state under the action of gravity, the surface of the sealing plate 20 is closely contacted with the inner side walls of the opening, the opening is sealed and blocked, then the impurities can be directly filtered by the filter tank 14 under the action of the water pump 8, the filter tank bottom can be directly filtered by the sewage can be filtered by the filter tank 2, the impurities can be prevented from entering the interior of the main body 2, and the filter tank 2, the sewage can be effectively filtered and can be conveniently filtered and removed, and the sewage can be directly and conveniently filtered by the filter device, and can be conveniently filtered and removed.

In the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly, unless otherwise specifically indicated and defined.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A denitrification biofilter sewage treatment device, comprising a mounting plate, characterized in that a nitrification biofilter body (2) is fixedly connected to the mounting plate, a water outlet pipe and a biological filter material (16) are fixedly connected to the nitrification biofilter body (2), a storage box (5) is fixedly mounted on one side of the nitrification biofilter body (2), a filter box (14) is fixedly mounted on one side surface of the storage box (5), an opening is opened on one side of the filter box (14) and is communicated with the storage box (5), and a sealing plate (20) is rotatably mounted in the opening;

A filter screen (15) is fixedly installed inside the filter box (14), a water inlet pipe (6) and a hydraulic cylinder (11) are fixedly provided on the filter box (14), a scraper (12) is fixedly provided on the driving end of the hydraulic cylinder (11), the surface of the scraper (12) is in contact with the upper surface of the filter screen (15), and a cross bar (13) is fixedly connected to one side of the scraper (12). A suction assembly is provided on the filter box (14), the suction assembly includes a water pump (8) connected to the filter box (14) through a fixed pipe, the water pump (8) is connected to the nitrification biological filter tank body (2) through a discharge pipe (9), and a rotating assembly is provided in the nitrification biological filter tank body (2).

2. A denitrification biological filter sewage treatment device according to claim 1, characterized in that the rotating assembly includes a rotating shaft (1) rotatably mounted on the nitrification biological filter body (2), a plurality of rotating plates (21) and two cams (3) are fixedly connected to the rotating shaft (1), and the rotating shaft (1) is connected to the scraper (12) via a pull rope (7).

3. A denitrification biological filter sewage treatment device according to claim 2, characterized in that a first torsion spring (4) is sleeved on the rotating shaft (1), one end of the first torsion spring (4) is fixedly connected to the rotating shaft (1), and the other end of the first torsion spring (4) is fixedly connected to the surface of the nitrification biological filter body (2).

4. A denitrification biological filter sewage treatment device according to claim 1, characterized in that a limiting ring (10) arranged in an inclined manner is fixedly connected to the bottom of the filter box (14), and a through hole is opened on the limiting ring (10).

5. A denitrification biological filter sewage treatment device according to claim 1, characterized in that the inner walls on both sides of the nitrification biological filter body (2) are connected to inclined plates (17) through second torsion springs (18), and the two side surfaces of each inclined plate (17) are fixedly connected to a plurality of fixing rods (19), and an opening is opened on one of the inclined plates (17).

6. A denitrification biological filter sewage treatment device according to claim 1, characterized in that a first sealing cover plate is clamped on one side of the filter box (14), and a second sealing cover plate is clamped on one side of the receiving box (5).