CN216073347U

CN216073347U - Sewage filtering device

Info

Publication number: CN216073347U
Application number: CN202121798787.2U
Authority: CN
Inventors: 孔祥西; 孙笑非; 高伟; 杨帆; 彭增亮; 李大龙
Original assignee: Cccc Ecological And Environmental Protection Investment Co ltd
Current assignee: Cccc Ecological And Environmental Protection Investment Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-18
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a sewage filtering device, which relates to the technical field of sewage treatment equipment and comprises a shell, a water inlet device, a water outlet device, a cleaning device and a drainage device, wherein the interior of the shell is provided with a filtering material, an outlet of the water inlet device is arranged in the filtering material at the bottom in the shell, the cleaning device comprises a sand lifting device, a guiding device and a cleaning chamber, an opening at the top of the cleaning chamber comprises a first opening and a second opening, the cleaning device is arranged in the shell, the dirty filtering material at the bottom of the shell is lifted to the top by the sand lifting device to be sprayed out, the dirty filtering material falls into the cleaning chamber under the guiding action of the guiding device through the self gravity of the guiding device, the falling dirty filtering material and the rising filtering water are automatically cleaned, the cleaned dirty water is discharged by the drainage device, the filtering material is cleaned without stopping the machine, the sewage treatment efficiency is improved, the dirty filtering material collides with a bulge on the inner wall of the cleaning chamber to rebound to increase the path of the dirty filtering material passing through the cleaning chamber, so that the filter can be fully contacted with filtered water, thereby ensuring the cleaning effect.

Description

Sewage filtering device

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a sewage filtering device.

Background

At present, the country gradually pays attention to the rural sewage treatment, improves the ecological environment, increases the rural sewage treatment and improves the discharge standard. The existing rural sewage filtering device needs to be stopped periodically for cleaning, the sewage treatment efficiency is seriously influenced, and most of the existing equipment is a phosphorus removal device and a filtering device which are separated, so that the occupied space is increased, and the investment and management cost are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sewage filtering device, which aims to solve the problems in the prior art, so that sewage filtering can be continuously operated, and the sewage treatment efficiency and the sewage filtering effect can be improved.

In order to achieve the purpose, the utility model provides the following scheme:

the utility model provides a sewage filtering device which comprises a shell, a water inlet device, a water outlet device, a cleaning device and a drainage device, wherein a filtering material used for filtering impurities in sewage is arranged in the shell, an inlet of the water inlet device is used for introducing sewage, an outlet of the water inlet device is arranged in the filtering material at the bottom in the shell, the water outlet device is communicated with the interior of the shell and used for discharging filtered water, the cleaning device comprises a sand lifting device, a guide device and a cleaning chamber, the sand lifting device is used for lifting the filtering material at the bottom in the shell to an opening at the top of the sand lifting device, the cleaning chamber is positioned above the filtering material and below the guide device and is fixedly arranged on the sand lifting device, the opening at the top of the cleaning chamber comprises a first opening and a second opening, and the guide device is used for guiding the filtering material lifted by the sand lifting device to the first opening and passing through the first opening The mouth gets into in the washing chamber, drainage device input with the second opening intercommunication, washing chamber inner wall has at least one arch, the drainage water at the top in the casing can flow into in the washing chamber and get into in the drainage device through the second opening from washing chamber bottom opening, drainage device output end is fixed to be set up on the casing lateral wall, drainage device's input, output and guider bottom opening all are less than go out the input of water installation.

Preferably, it includes first folding pipe and second folding pipe to wash the cavity, first folding pipe with second folding pipe length is the same, the fixed cover of second folding pipe is established carry sand device go up just second folding pipe box is established in first folding pipe, first folding pipe with second folding pipe top parallel and level, first folding pipe top with drainage device input fixed connection and intercommunication, first folding pipe inner wall with the clearance has between the second folding pipe outer wall, second folding pipe upper and lower opening respectively with carry sand device outer wall sealing connection.

Preferably, a first conical baffle is arranged on the sand lifting device and located at the lower part of the cleaning chamber, an opening at the top of the first conical baffle is smaller than an opening at the bottom of the first conical baffle, and the diameter of the opening at the bottom of the first conical baffle is larger than the outer diameter of the drainage device.

Preferably, carry the sand device including carrying sand pipe and intake pipe, carry sand pipe top with casing top fixed connection just carry sand socle portion to let in the casing bottom in the filter material, the intake pipe is worn to establish carry in the sand pipe, intake pipe one end is used for letting in compressed air just the other end of intake pipe is fixed to be set up near carry sand socle portion open-ended carry in the sand pipe.

Preferably, a second conical baffle is fixedly arranged on the sand extracting pipe, the second conical baffle is positioned between the cleaning chamber and the first conical baffle and on the outer wall of the sand extracting pipe, the top opening of the second conical baffle is smaller than the bottom opening of the second conical baffle, and the outer diameter of the bottom opening of the second conical baffle is larger than that of the cleaning chamber and smaller than that of the bottom opening of the first conical baffle.

Preferably, the water inlet device is further provided with a dosing pipe, and the dosing pipe is communicated with the water inlet device and is used for adding a filtering medicament.

Preferably, at least 2 support legs are arranged on the bottom surface of the outer lower end of the shell.

Preferably, the water outlet device comprises a limiting plate and a water outlet pipe, the water outlet pipe is fixedly arranged on the side wall of the shell and is communicated with the inside of the shell, the limiting plate and the inner wall of the shell form a cavity, the cavity is communicated with the water outlet pipe, and the top of the limiting plate is lower than the top of the shell and is higher than the bottom opening of the guiding device and the input end and the output end of the drainage device.

Preferably, water installations includes inlet tube, water service pipe post and water distributor, inlet tube one end is fixed to be set up on the casing lateral wall, the inlet tube other end stretches into the casing inside and with water service pipe post import fixed connection and intercommunication, water service pipe post export with water distributor intercommunication, water distributor is used for being in sewage the even blowout in casing bottom plane.

Preferably, the filter material is quartz sand.

Compared with the prior art, the utility model has the following technical effects:

according to the sewage filtering device provided by the utility model, the cleaning device is arranged in the shell, the dirty filtering material at the bottom of the shell is lifted to the top by the sand lifting device to be sprayed out, the dirty filtering material falls into the cleaning cavity by the gravity of the filtering material under the guiding action of the guiding device, the falling dirty filtering material and the rising filtering water are automatically cleaned by utilizing the relative speed of the rising motion of the filtering water, and the cleaned dirty water is discharged by the drainage device, so that the sewage filtering can continuously run, the filtering material is not required to be stopped for cleaning, the sewage treatment efficiency is improved, the inner wall of the cleaning cavity is provided with the bulge, the dirty filtering material collides with the bulge and rebounds, the path of the dirty filtering material passing through the cleaning cavity is increased, the dirty filtering material and the filtering water can be fully contacted, and the cleaning effect is further ensured.

Furthermore, dirty filter material whereabouts pipeline is constituteed jointly to first folding pipe and second folding pipe, and its inside folding part forms the arch, can guarantee that dirty filter material collides the inner wall and rebounds, and then makes dirty filter material pass through the pipeline path and increase, makes dirty filter material and crossing water fully contact, and then guarantees to wash more completely.

Further, carry and be provided with first toper baffle on the sand device, when adding the filter material to the casing is inside, first toper baffle can make the even laying of filter material that adds inside the casing, guarantees the filter effect of sewage.

Furthermore, the sand extracting device is composed of a sand extracting pipe and an air inlet pipe, and is simple in structure and easy to process and manufacture.

Furthermore, a second conical baffle is further arranged on the sand lifting pipe, the cleaned filter material can be uniformly spread on the filter material in the shell again by the second conical baffle, the flow speed of the filtered water entering the cleaning cavity can be blocked by the second conical baffle, and the filtered water is prevented from being flushed out from the second opening due to the fact that the flow speed of the filtered water is too high.

Further, still be provided with on the water installations and add the pencil for add the chemical agent who removes phosphorus, suspended solid and colloidal substance in the sewage, can realize that the device removes phosphorus and filters the integration, reduce use equipment and equipment occupation space, reduce investment and administrative cost.

Furthermore, the ground at the lower end outside the shell is also provided with supporting legs, so that the stability of the whole shell is improved.

Furthermore, the water outlet device consists of a limiting plate and a water outlet pipe, and is simple in structure and easy to process and manufacture.

Furthermore, a water distributor adopted in the water inlet device can uniformly disperse sewage into the filter material and upwards and reversely flow through the filter material, so that the filtering effect is ensured.

Furthermore, the filter material is quartz sand which is common in material and easy to obtain.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a sewage filtering apparatus according to the present invention.

In the figure: 100-a sewage filtration unit; 1-a shell; 2-a water inlet device; 21-water inlet pipe; 22-a water pipe column; 23-a water dispenser; 3-a water outlet device; 31-a limiting plate; 32-water outlet pipe; 4-a cleaning device; 41-a sand extraction device; 411-a sand extraction pipe; 412-an air inlet pipe; 413-a first conical baffle; 414-second conical baffle; 42-a guide; 43-a wash chamber; 431-a first opening; 432-a second opening; 433-a first folded tube; 434-a second folded tube; 5-a drainage device; 6-filtering the material; 7-a medicine feeding pipe; 8-support leg.

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.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The utility model provides a sewage filtering device 100, which comprises a shell 1, a water inlet device 2, a water outlet device 3, a cleaning device 4 and a drainage device 5, wherein a filtering material 6 for filtering impurities in sewage is arranged in the shell 1, an inlet of the water inlet device 2 is used for introducing sewage, an outlet of the water inlet device 2 is arranged in the filtering material 6 at the bottom in the shell 1, the water outlet device 3 is communicated with the interior of the shell 1 and is used for discharging filtered water, the cleaning device 4 comprises a sand lifting device 41, a guide device 42 and a cleaning chamber 43, the sand lifting device 41 is used for lifting the filtering material 6 at the bottom in the shell 1 to an opening at the top of the sand lifting device 41, the cleaning chamber 43 is positioned above the filtering material 6 and below the guide device 42 and is fixedly arranged on the sand lifting device 41, the opening at the top of the cleaning chamber 43 comprises a first opening 431 and a second opening 432, the guide device 42 is used for guiding the filtering material 6 lifted by the sand lifting device 41 to the first opening 431 and enters the cleaning chamber 43 through the first opening 431, the input end of the drainage device 5 is communicated with the second opening 432, specifically, in order to ensure that the filtered material is not discharged along with the drainage device 5, a container with an inner diameter larger than that of the guide device 42 and an inner diameter smaller than that of the drainage device 5 can be sleeved outside the guide device 42, the lower end opening of the container is communicated with the second opening 432, the lower end of the container is connected with the lower end of the drainage device 5 in a sealing manner, a hole capable of communicating the inner wall of the container with the drainage device 5 is formed in the side wall of the container, at least one bulge is arranged on the inner wall of the cleaning chamber 43, the filtered water at the top in the shell 1 can flow into the cleaning chamber 43 from the bottom opening of the cleaning chamber 43 and enter the drainage device 5 through the second opening 432, the output end of the drainage device 5 is fixedly arranged on the side wall of the shell 1, and the input end, the output end of the drainage device 5 and the bottom opening of the guide device 42 are all lower than the input end of the drainage device 3. The cleaning device 4 is arranged in the shell 1, dirty filter materials 6 at the bottom of the shell 1 are lifted to the top for spraying through the sand lifting device 41, then fall into the cleaning chamber 43 through the gravity of the filter materials 6 under the guiding action of the guiding device 42, the falling dirty filter materials 6 and rising filter water are automatically cleaned by utilizing the relative speed of the rising motion of the filter water, the cleaned dirty water is discharged by the drainage device 5, the sewage filtering can continuously run, the cleaning of the filter materials 6 is carried out without stopping, the sewage treatment efficiency is improved, the inner wall of the cleaning chamber 43 is provided with a bulge, the dirty filter materials 6 can rebound after colliding on the bulge, the path of the dirty filter materials 6 through the cleaning chamber 43 is increased, the dirty filter materials 6 can fully contact with the filter water, and the cleaning effect is further ensured.

Cleaning cavity 43 includes first folding pipe 433 and second folding pipe 434, first folding pipe 433 is the same with second folding pipe 434 length, the fixed cover of second folding pipe 434 is established on carrying sand device 41 and second folding pipe 434 cover is established in first folding pipe 433, first folding pipe 433 and second folding pipe 434 top parallel and level, first folding pipe 433 top and 5 input fixed connection and the intercommunication of drainage device, the clearance has between first folding pipe 433 inner wall and the second folding pipe 434 outer wall, second folding pipe 434 upper and lower opening respectively with carry sand device 41 outer wall sealing connection. First folding pipe 433 and second folding pipe 434 constitute dirty filtration material 6 whereabouts pipeline jointly, and its inside folding part forms the arch, can guarantee that dirty filtration material 6 collides the inner wall and rebounds, and then makes dirty filtration material 6 increase through the pipeline route, makes dirty filtration material 6 and crossing water fully contact, and then guarantees to wash more completely.

The sand extracting device 41 is provided with a first conical baffle 413, the first conical baffle 413 is positioned at the lower part of the cleaning chamber 43, the top opening of the first conical baffle 413 is smaller than the bottom opening of the first conical baffle 413, and the diameter of the bottom opening of the first conical baffle 413 is larger than the outer diameter of the drainage device 5. Be provided with first toper baffle 413 on carrying sand device 41, when adding filter material 6 to casing 1 inside, first toper baffle 413 can make the even laying of filter material 6 that adds inside casing 1, guarantees the filter effect of sewage.

Carry sand device 41 including carrying sand pipe 411 and intake pipe 412, carry sand pipe 411 top and casing 1 top fixed connection and carry sand pipe 411 bottom and let in the filter material 6 of casing 1 bottom, intake pipe 412 wears to establish in carrying sand pipe 411, intake pipe 412 one end is used for letting in compressed air and intake pipe 412 other end is fixed to be set up in being close to carrying sand pipe 411 bottom open-ended carrying sand pipe 411, concretely, for guaranteeing dirty filter material 6 lift effect, can also set up a pipe that is less than carrying sand pipe 411 in carrying sand pipe 411, and the bobbin base is located carrying sand pipe 411, the other end of intake pipe 412 communicates with this pipe is close to its bottom open-ended intraductal. The sand extracting device 41 is composed of a sand extracting pipe 411 and an air inlet pipe 412, and is simple in structure and easy to process and manufacture.

A second conical baffle 414 is fixedly arranged on the sand extracting pipe 411, the second conical baffle 414 is positioned on the outer wall of the sand extracting pipe 411 between the cleaning chamber 43 and the first conical baffle 413, the top opening of the second conical baffle 414 is smaller than the bottom opening of the second conical baffle 414, and the outer diameter of the bottom opening of the second conical baffle 414 is larger than the outer diameter of the cleaning chamber 43 and smaller than the bottom opening of the first conical baffle 413. The sand lifting pipe 411 is further provided with a second conical baffle 414, the second conical baffle 414 can uniformly spread the cleaned filter material 6 on the filter material 6 inside the housing 1 again, and the second conical baffle 414 can block the flow rate of the filtered water entering the cleaning chamber 43, so as to ensure that the filtered water cannot rush out the filter material 6 from the second opening 432 due to too fast flow rate.

Still be provided with on the water installations 2 with pencil 7, pencil 7 and water installations 2 intercommunication just are used for adding the filtration medicament with water installations. Still be provided with on water installations 2 and add pencil 7 for add the chemical agent who removes phosphorus, suspended solid and colloidal substance in the sewage, can realize that the device removes phosphorus, deposits and filters the integration, reduce user equipment and equipment occupation space, reduce investment and administrative cost.

At least 2 supporting legs 8 are arranged on the bottom surface of the outer lower end of the shell 1. The ground of the lower end outside the shell 1 is also provided with supporting legs 8, which is beneficial to increasing the overall stability of the shell 1.

The water outlet device 3 comprises a limiting plate 31 and a water outlet pipe 32, the water outlet pipe 32 is fixedly arranged on the side wall of the shell 1 and is communicated with the inside of the shell 1, the limiting plate 31 and the inner wall of the shell 1 form a cavity, the cavity is communicated with the water outlet pipe 32, and the top of the limiting plate 31 is lower than the top of the shell 1 and is higher than an opening at the bottom of the guiding device 42 and the input end and the output end of the water outlet device 5. The water outlet device 3 consists of a limiting plate 31 and a water outlet pipe 32, and is simple in structure and easy to process and manufacture.

The water inlet device 2 comprises a water inlet pipe 21, a water service pipe column 22 and a water distributor 23, one end of the water inlet pipe 21 is fixedly arranged on the outer side wall of the shell 1, the other end of the water inlet pipe 21 extends into the shell 1 and is fixedly connected and communicated with an inlet of the water service pipe column 22, an outlet of the water service pipe column 22 is communicated with the water distributor 23, and the water distributor 23 is used for uniformly spraying sewage on the bottom plane of the shell 1. The water distributor 23 adopted in the water inlet device 2 can uniformly disperse sewage into the filter material 6 and upwards and reversely flow through the filter material 6, thereby ensuring the filtering effect.

The filter material 6 is quartz sand. The filter material 6 is made of quartz sand which is common in material and easy to obtain.

The principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims

1. A sewage filtering device is characterized in that: the device comprises a shell, a water inlet device, a water outlet device, a cleaning device and a drainage device, wherein a filtering material for filtering impurities in sewage is arranged in the shell, an inlet of the water inlet device is used for introducing sewage, an outlet of the water inlet device is arranged in the filtering material at the bottom in the shell, the water outlet device is communicated with the inside of the shell and used for discharging filtered water, the cleaning device comprises a sand lifting device, a guide device and a cleaning cavity, the sand lifting device is used for lifting the filtering material at the bottom in the shell to an opening at the top of the sand lifting device, the cleaning cavity is positioned above the filtering material, below the guide device and fixedly arranged on the sand lifting device, the opening at the top of the cleaning cavity comprises a first opening and a second opening, the guide device is used for guiding the filtering material lifted by the sand lifting device to the first opening and entering the cleaning cavity through the first opening, the input end of the drainage device is communicated with the second opening, at least one bulge is arranged on the inner wall of the cleaning cavity, filtered water at the top in the shell can flow into the cleaning cavity from the opening at the bottom of the cleaning cavity and enter the drainage device through the second opening, the output end of the drainage device is fixedly arranged on the side wall of the shell, and the input end, the output end and the opening at the bottom of the guide device of the drainage device are all lower than the input end of the water outlet device.

2. The sewage filtration apparatus of claim 1, wherein: the cleaning cavity comprises a first folding pipe and a second folding pipe, the length of the first folding pipe is the same as that of the second folding pipe, the second folding pipe is fixedly sleeved on the sand lifting device, the second folding pipe is sleeved on the first folding pipe, the first folding pipe is flush with the top of the second folding pipe, the top of the first folding pipe is fixedly connected with and communicated with the input end of the drainage device, a gap is reserved between the inner wall of the first folding pipe and the outer wall of the second folding pipe, and the upper opening and the lower opening of the second folding pipe are respectively connected with the outer wall of the sand lifting device in a sealing mode.

3. The sewage filtration apparatus of claim 1, wherein: a first conical baffle is arranged on the sand lifting device and located on the lower portion of the cleaning chamber, the top opening of the first conical baffle is smaller than the bottom opening of the first conical baffle, and the diameter of the bottom opening of the first conical baffle is larger than the outer diameter of the drainage device.

4. The sewage filtration apparatus of claim 3, wherein: carry the sand device including carrying sand pipe and intake pipe, carry sand pipe top with casing top fixed connection just carry sand socle portion to let in the casing bottom in the filter material, the intake pipe is worn to establish carry in the sand pipe, intake pipe one end is used for letting in compressed air just the other end of intake pipe is fixed set up in being close to carry sand socle portion open-ended carry in the sand pipe.

5. The sewage filtration apparatus of claim 4, wherein: carry the sand pipe and go up the fixed second toper baffle that is provided with, second toper baffle is located wash the cavity with between the first toper baffle carry on the sand pipe outer wall, second toper baffle open-top is less than second toper baffle bottom opening, just second toper baffle bottom opening external diameter is greater than wash the external diameter of cavity and be less than first toper baffle bottom opening.

6. The sewage filtration apparatus of claim 1, wherein: still be provided with the pencil of dosing on the water installations, the pencil of dosing with water installations intercommunication just is used for adding the filtration medicament.

7. The sewage filtration apparatus of claim 1, wherein: the bottom surface of the lower end outside the shell is provided with at least 2 supporting legs.

8. The sewage filtration apparatus of claim 1, wherein: the water outlet device comprises a limiting plate and a water outlet pipe, the water outlet pipe is fixedly arranged on the side wall of the shell and is communicated with the inside of the shell, the limiting plate and the inner wall of the shell form a cavity, the cavity is communicated with the water outlet pipe, and the top of the limiting plate is lower than the top of the shell and is higher than the bottom opening of the guiding device and the input end and the output end of the drainage device.

9. The sewage filtration apparatus of claim 1, wherein: the water inlet device comprises a water inlet pipe, a water pipe column and a water distributor, wherein one end of the water inlet pipe is fixedly arranged on the outer side wall of the shell, the other end of the water inlet pipe extends into the shell and is fixedly connected with an inlet of the water pipe column and communicated with the inlet of the water pipe column, an outlet of the water pipe column is communicated with the water distributor, and the water distributor is used for uniformly spraying sewage on the plane of the bottom of the shell.

10. The sewage filtration apparatus of claim 1, wherein: the filter material is quartz sand.