CN211724858U

CN211724858U - Sewage filtering device and domestic sewage treatment device

Info

Publication number: CN211724858U
Application number: CN202020223348.8U
Authority: CN
Inventors: 邹迪; 赵翌晨; 吴犇; 李燃; 孙蕊
Original assignee: Tianjin Academy of Environmental Sciences
Current assignee: Tianjin Academy of Ecological and Environmental Sciences
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-10-23
Anticipated expiration: 2030-02-27

Abstract

The utility model relates to a sewage filter equipment and domestic sewage treatment plant relates to sewage treatment device technical field, sewage filter equipment includes the rose box, first filter layer and scraper blade, first filter layer is installed in the rose box, and separate the rose box for first inner chamber and second inner chamber, the rose box is equipped with sewage import, first drain hole and outlet, sewage import and first drain hole all communicate external and first inner chamber, the outlet communicates external and second inner chamber, the scraper blade is portable to be set up in first inner chamber, and be used for collecting the impurity on the first filter layer to first drain hole. The technical problem that the impurity cleaning of the sewage filtering device in the prior art is inconvenient and the filtering efficiency is low is solved.

Description

Sewage filtering device and domestic sewage treatment device

Technical Field

The utility model relates to a sewage treatment device technical field particularly, relates to a sewage filter equipment and domestic sewage treatment device.

Background

Sewage, which generally refers to effluent water from life and production, is contaminated to some extent, and mainly comprises domestic sewage, industrial wastewater and initial rainwater, and main pollutants of sewage comprise pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like. The domestic sewage is the sewage which is most contacted at ordinary times, the sewage is generated when people wash vegetables, clothes, bathes and flushes toilets in life, solid impurities such as vegetable leaves, rice grains, hair and the like are inevitably carried in the sewage, and the sewage blocks a sewer along with the accumulation of the impurities in the day and the month, so that a domestic sewage filtering device is needed.

However, in the existing filtering device for sewage treatment, some large-volume impurities are easy to block and accumulate in the filtering device, and after the filtering device is used for a period of time, the filtering efficiency of the filtering device is easy to reduce, so that the water flow is not smooth.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a sewage filtering device and domestic sewage treatment plant for alleviate the inconvenient and then technical problem that leads to the filtration efficiency low of the filterable impurity clearance of sewage filtering device among the prior art.

In a first aspect, an embodiment provides a sewage filtering apparatus, including a filtering box, a first filtering layer and a scraper;

first filter layer install in the rose box, and will the rose box is separated for first inner chamber and second inner chamber, the rose box is equipped with sewage import, first drain hole and outlet, sewage import with first drain hole all communicate the external world with first inner chamber, the outlet communicate the external world with the second inner chamber, the scraper blade can move set up in first inner chamber, and be used for with impurity on the first filter layer is collected extremely first drain hole.

In an optional embodiment, the sewage filtering apparatus further includes a driving device and a rotating shaft in driving connection with the driving device, the driving device is installed outside the filtering box, the rotating shaft is rotatably installed in the filtering box, and the scraper is fixedly connected to the rotating shaft.

In an optional embodiment, the first inner cavity is higher than the second inner cavity, and the sewage filtering device further includes a brush, wherein the brush is fixedly installed on the scraper and located between the scraper and the first filtering layer.

In an optional embodiment, the sewage filtering device further comprises a second filtering layer fixedly installed on the filtering box, the second filtering layer divides the second inner cavity into a settling chamber and a drainage chamber, and the drainage port is communicated with the outside and the drainage chamber.

In an optional embodiment, the first filter layer comprises a first filter screen, the second filter layer comprises filter cotton, the first inner cavity is communicated with the sedimentation cavity through the first filter screen, and the sedimentation cavity is communicated with the drainage cavity through the filter cotton.

In an optional embodiment, the first filter layer further comprises a second filter screen, the aperture of the mesh of the second filter screen is smaller than the aperture of the mesh of the first filter screen, and the first inner cavity is communicated with the drainage cavity through the second filter screen.

In an optional embodiment, the sewage filtering device further comprises a chemical feeding pipe arranged on the filtering box, the chemical feeding pipe is provided with a spray head accommodated in the sedimentation cavity, and the chemical feeding pipe sprays out chemicals used for reacting with sewage through the spray head.

In an optional embodiment, the sewage filtering device further comprises a stirring paddle, the rotating shaft part is accommodated in the settling chamber, and the stirring paddle is fixedly connected with the rotating shaft and used for stirring the sewage in the settling chamber.

In an optional embodiment, the bottom of the filter box is provided with a second sewage draining outlet which is communicated with the outside and the sedimentation cavity.

In a second aspect, embodiments provide a domestic sewage treatment apparatus comprising a sewage filtration apparatus according to any preceding embodiment.

Compared with the prior art, the utility model provides a sewage filter equipment and domestic sewage treatment plant's beneficial effect as follows:

the utility model provides a sewage filtering device, which comprises a filtering box, a first filtering layer and a scraper blade, wherein the first filtering layer is arranged on the filtering box and divides the inner space of the filtering box into a first inner cavity and a second inner cavity; the scraper blade is movably arranged in the first inner cavity and can collect impurities on the first filter layer to the first sewage draining port.

Specifically, domestic sewage flows into first inner chamber by sewage inlet, and sewage carries out prefiltering and flows to the second inner chamber through first filter layer, and first filter layer at this moment can filter the bulky impurity in the sewage to guarantee that the sewage that flows to the second inner chamber can be handled by more efficient, and discharge from the outlet smoothly. When adnexed bulky impurity is too much and will influence sewage stream to second inner chamber on first filter layer, can drive the scraper blade and remove this moment to collect near first drain hole with the impurity on the first filter layer, afterwards, open first drain hole and take out impurity, can discharge impurity, guarantee the normal filtration performance of first filter layer and the smooth discharge of sewage in drain hole department, sewage filter equipment's filtration efficiency is higher.

The utility model provides a domestic sewage treatment plant's technical advantage is the same with above-mentioned sewage filter equipment's technical advantage, and it is no longer repeated here.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic structural view of a sewage filtering apparatus provided by an embodiment of the present invention.

Icon: 10-a filter box; 20-a scraper; 30-a drive device; 40-a rotating shaft; 50-a first filter screen; 60-a second filter screen; 70-a brush; 80-filter cotton; 90-a medicine feeding pipe; 110-stirring paddle; 120-a first lumen; 130-a sedimentation chamber; 140-a drainage chamber; 150-a controller;

11-a sewage inlet; 12-a first drain outlet; 13-a second sewage draining outlet; 14-a water outlet;

91-spray head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1, the sewage filtering apparatus provided in this embodiment includes a filtering tank 10, a first filtering layer and a scraper 20, wherein the first filtering layer is installed in the filtering tank 10 and divides an inner space of the filtering tank 10 into a first inner cavity 120 and a second inner cavity, the filtering tank 10 is provided with a sewage inlet 11, a first sewage discharge port 12 and a water discharge port 14, and the first sewage discharge port 12 communicates with the first inner cavity 120 and the outside and is close to the first filtering layer; scraper 20 is movably disposed in first interior chamber 120 and is capable of collecting impurities on the first filter layer to first drain 12.

Specifically, domestic sewage flows into first inner chamber 120 by sewage inlet 11, and sewage carries out prefiltering and flows to the second inner chamber through first filter layer, and first filter layer at this moment can filter the bulky impurity in the sewage to guarantee that the sewage that flows to the second inner chamber can be handled by more efficient, and discharge from outlet 14 smoothly. When the large-volume impurities attached to the first filter layer are too much and will affect the sewage flow to the second inner cavity, the scraper 20 can be driven to move at the moment so as to collect the impurities on the first filter layer to the position near the first sewage discharge port 12, and then the first sewage discharge port 12 is opened to take out the impurities, so that the impurities can be discharged, the normal filtering performance of the first filter layer and the smooth discharge of the sewage at the water discharge port 14 are ensured, and the filtering efficiency of the sewage filtering device is higher.

It should be noted that, in this embodiment, after the sewage enters the second inner cavity after being primarily filtered by the first filter layer, secondary filtering or neutralization treatment may be performed in the second inner cavity, so that the sewage discharged from the water discharge port 14 basically has no solid particles or no harmful substances, and the filtering effect of the sewage filtering apparatus is higher.

Specifically, the present embodiment also provides the following detailed description of the specific structure of the sewage filtering apparatus.

In this embodiment, the sewage filtering apparatus further includes a driving device 30 and a rotating shaft 40 in driving connection with the driving device 30, the driving device 30 is installed outside the filtering box 10, the rotating shaft 40 is rotatably installed on the filtering box 10, and the scraper 20 is fixedly connected with the rotating shaft 40.

Specifically, the filter box 10 is preferably a cylindrical structure, the axis of the rotating shaft 40 coincides with the axis of the filter box 10, the length of the scraper 20 at this time is approximately the inner diameter of the first inner cavity 120, that is, the end of the scraper 20 far away from the rotating shaft 40 is approximately abutted to the inner wall of the filter box 10, when the impurities on the first filter layer need to be cleaned, the driving device 30 can drive the scraper 20 to rotate, so as to collect the impurities on the first filter layer to the area close to the first drain outlet 12, and the impurities are conveniently discharged from the first drain outlet 12.

It should be noted that the driving device 30 is preferably a motor and is fixedly installed on the top of the filtering tank 10, and the sewage filtering apparatus further includes a controller 150, and the controller 150 can control the on-time of the motor and the rotation angle of the scraper 20 according to the accumulation volume of the impurities on the first filtering layer, so as to more accurately push the impurities to the vicinity of the first drain port 12.

Alternatively, the filtering box 10 may be rectangular, and at this time, the filtering box may be connected to the scraper 20 through an electric push rod or an air cylinder to drive the scraper 20 to move linearly, so as to push the impurities on the first filtering layer to a side close to the first drain 12.

In this embodiment, the first inner cavity 120 is higher than the second inner cavity, and the sewage filtering apparatus further includes a brush 70, wherein the brush 70 is fixedly installed on the scraper 20 and is located between the scraper 20 and the first filtering layer.

At this moment, scraper blade 20's length direction preferably extends along the horizontal direction, sewage inlet 11 can set up and be close to the top setting in the lateral wall of rose box 10, or set up in the top of rose box 10, when sewage inlet 11 set up in the lateral wall of rose box 10, first drain 12 preferably sets up in the lateral wall of rose box 10 and the one side that sewage inlet 11 carried on the back mutually, sewage flows into the second inner chamber under the effect of gravity behind sewage inlet 11 entering first inner chamber 120, bulky impurity this moment also can strike part to the one side that is close to first drain 12 in the impact of sewage, make things convenient for the collection of impurity. Meanwhile, the brush 70 can more carefully clean the first filter layer, thereby ensuring the filtering effect of the first filter layer.

In this embodiment, the sewage filtering apparatus further includes a second filtering layer fixedly installed on the filtering tank 10, the second filtering layer divides the second inner cavity into a settling chamber 130 and a drainage chamber 140, and the drainage port 14 communicates with the outside and the drainage chamber 140.

Specifically, the drainage cavity 140 is preferably a hollow cylinder structure, the sedimentation cavity 130 is located in the hollow position of the drainage cavity 140, and after the sewage enters the sedimentation cavity 130 through the first filter layer for preliminary filtration, the sewage can also enter the drainage cavity 140 through the sedimentation cavity 130 for secondary filtration through the second filter layer, so as to further reduce the particle impurity content and the volume of single particle impurity of the sewage in the drainage cavity 140.

In this embodiment, the first filter layer includes a first filter 50, the second filter layer includes filter cotton 80, the first inner chamber 120 is communicated with the settling chamber 130 through the first filter 50, and the settling chamber 130 is communicated with the drainage chamber 140 through the filter cotton 80.

Specifically, the filter cotton 80 can prevent smaller particles of impurities from passing through compared with the first filter screen 50, so as to ensure the secondary filtration of the sewage by the filter cotton 80.

It is worth to say that, the second filter layer can also include two vertical plates that are arranged oppositely, and filter pulp 80 has two and respectively rigid coupling between two vertical plates, and splint and filter pulp 80's upper end all with first filter screen 50 rigid coupling, and the lower extreme all with the bottom rigid coupling of rose box 10 to around forming sedimentation chamber 130.

In addition, the filter cotton 80 may be replaced with a filter having a smaller mesh size than the first filter 50.

In this embodiment, the first filter layer further includes a second filter 60, the aperture of the mesh of the second filter 60 is smaller than the aperture of the mesh of the first filter 50, and the first inner chamber 120 is communicated with the drain chamber 140 through the second filter 60.

Specifically, second filter screen 60 is circular ring structure, and first filter screen 50 is circular and connects in the hollow position of second filter screen 60, and the filter effect of second filter screen 60 is similar with the filter effect of filter pulp 80, and sewage can directly get into drainage chamber 140 through second filter screen 60, and this setting can reduce the filter pressure of filter pulp 80 to guarantee sewage filter equipment's filtration efficiency.

Or, this embodiment also can set up first inner chamber 120 not communicate with drainage chamber 140, and the sewage of first inner chamber 120 can only loop through first filter screen 50 and filter pulp 80 and get into drainage chamber 140, can guarantee sewage filter equipment's filter effect equally, and at this moment, first inner chamber 120, sedimentation chamber 130 and drainage chamber 140 can be from top to bottom the interval setting.

In this embodiment, the sewage filtering apparatus further includes a chemical feeding pipe 90 installed in the filtering box 10, the chemical feeding pipe 90 is provided with a nozzle 91 accommodated in the sedimentation chamber 130, and the chemical feeding pipe 90 sprays out a chemical for reacting with the sewage through the nozzle 91.

Specifically, the medicine sprayed from the medicine feeding pipe 90 through the spray head 91 is mainly used for polymerizing the particle impurities in the sewage in the precipitation chamber 130, so that the particle impurities are polymerized into particles with larger volume to further reduce the content of the particle impurities in the sewage in the drainage chamber 140.

In this embodiment, the sewage filtering apparatus further includes a stirring paddle 110, a part of the rotating shaft 40 is accommodated in the settling chamber 130, and the stirring paddle 110 is fixedly connected to the rotating shaft 40 and is used for stirring the sewage in the settling chamber 130.

The rotating shaft 40 penetrates through the settling chamber 130, after the medicine is injected into the settling chamber 130, the motor drives the rotating shaft 40 to rotate, the stirring paddle 110 uniformly mixes the medicine with the sewage in the settling chamber 130, and then the mixture is stood for a period of time, so that large-volume impurities formed in the settling chamber 130 fall to the bottom of the settling chamber 130 under the action of gravity.

In this embodiment, the bottom of the filtering box 10 is provided with a second sewage draining outlet 13 for communicating the outside with the settling chamber 130.

That is, when the impurities at the bottom of the settling chamber 130 are excessive, the second drain outlet 13 may be opened to discharge the impurities, so as to facilitate the subsequent impurity settling operation of the settling chamber 130.

Example two

The embodiment provides a domestic sewage treatment device, which comprises the sewage filtering device in any one of the previous embodiments.

The technical advantages of the domestic sewage treatment device provided by the embodiment are the same as those of the sewage filtering device, and are not repeated herein.

It should be noted that, in the case of conflict, the features in the embodiments of the present invention may be combined with each other.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sewage filtering device is characterized by comprising a filtering box (10), a first filtering layer and a scraper (20);

first filter layer install in rose box (10), and will rose box (10) are separated for first inner chamber (120) and second inner chamber, rose box (10) are equipped with sewage inlet (11), first drain outlet (12) and outlet (14), sewage inlet (11) with first drain outlet (12) all communicate the external world with first inner chamber (120), outlet (14) communicate the external world with the second inner chamber, scraper blade (20) portable set up in first inner chamber (120), and be used for with impurity on the first filter layer is collected extremely first drain outlet (12).

2. The sewage filtering apparatus according to claim 1, further comprising a driving device (30) and a rotating shaft (40) in driving connection with the driving device (30), wherein the driving device (30) is installed outside the filtering tank (10) and is used for driving the rotating shaft (40) to rotate, the rotating shaft (40) is rotatably installed on the filtering tank (10), and the scraper (20) is fixedly connected to the rotating shaft (40).

3. The effluent filter unit of claim 2, wherein said first interior chamber (120) is higher than said second interior chamber, said effluent filter unit further comprising a brush (70), said brush (70) being fixedly mounted to said scraper (20) and being positioned between said scraper (20) and said first filter layer.

4. The wastewater filtering device according to claim 2, further comprising a second filter layer fixedly mounted on the filter tank (10), wherein the second filter layer divides the second inner cavity into a settling chamber (130) and a drainage chamber (140), and the drainage port (14) is communicated with the outside and the drainage chamber (140).

5. The effluent filtering unit according to claim 4, wherein said first filtering layer comprises a first filter screen (50), said second filtering layer comprises filter cotton (80), said first inner chamber (120) communicates with said settling chamber (130) through said first filter screen (50), said settling chamber (130) communicates with said drainage chamber (140) through said filter cotton (80).

6. The effluent filtering unit according to claim 5, wherein said first filter layer further comprises a second filter (60), the aperture of the mesh of said second filter (60) being smaller than the aperture of the mesh of said first filter (50), said first inner chamber (120) communicating with said drainage chamber (140) through said second filter (60).

7. The wastewater filtering apparatus according to any of the claims 4-6, further comprising a dosing pipe (90) installed in the filtering tank (10), wherein the dosing pipe (90) is provided with a spray nozzle (91) accommodated in the sedimentation chamber (130), and the dosing pipe (90) sprays out the drug for reacting with the wastewater through the spray nozzle (91).

8. The wastewater filtering apparatus according to claim 7, further comprising a stirring paddle (110), wherein the rotating shaft (40) is partially accommodated in the settling chamber (130), and the stirring paddle (110) is fixedly connected to the rotating shaft (40) and is configured to stir the wastewater in the settling chamber (130).

9. The sewage filtering device according to claim 4, wherein the bottom of said filtering tank (10) is provided with a second sewage draining outlet (13) communicating the outside with said sedimentation chamber (130).

10. A domestic sewage treatment apparatus comprising the sewage filtration apparatus of any one of claims 1 to 9.