CN211635496U

CN211635496U - Sewage filtering device

Info

Publication number: CN211635496U
Application number: CN201921961057.2U
Authority: CN
Inventors: 王少峰; 汪其飞; 曹云飞; 郑昕飞; 倪涛; 何龙
Original assignee: Hangzhou Jingu Environmental Protection Equipment Technology Co ltd
Current assignee: Hangzhou Taien Zhida Equipment Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-10-09
Anticipated expiration: 2029-11-13

Abstract

The utility model provides a sewage filtering device, which comprises a base body, a filter disc and a cleaning mechanism, wherein the base body is provided with a filter cavity, a sewage inlet and a purified water outlet which are communicated with the filter cavity; the filter disc is annular, and at least one part of the annular filter disc is arranged in the filter cavity and is positioned between the sewage inlet and the purified water outlet so as to filter dirt in the sewage flowing from the sewage inlet to the purified water outlet; the cleaning mechanism has a cleaning end for removing contaminants adhered to the outer surface of the filter sheet. The utility model provides a filter cloth or filter paper that sewage filter equipment among the prior art adopted be disposable material, caused very big waste, when being unfavorable for the filterable economic nature of sewage, still greatly reduced sewage filter equipment's filtration efficiency's problem.

Description

Sewage filtering device

Technical Field

The utility model relates to a sewage treatment technical field particularly, relates to a sewage filter equipment's institutional advancement.

Background

In the prior art, the sewage filtering device usually adopts the filter cloth or filter paper made of disposable materials to filter the filth in the sewage, which causes great waste, in order to save materials, the filter cloth or filter paper can be replaced after the sewage of the preset amount is filtered by the existing sewage filtering device, and the filth can be accumulated and remained on the filter cloth or filter paper in the process of filtering the sewage of the preset amount by the existing sewage filtering device, along with the increase of the amount of the filtered sewage, the filth can block the filter holes on the partial filter cloth or filter paper, so that the filter cloth or filter paper can only filter the sewage through the remaining filter holes which are not blocked, thereby greatly reducing the filtering efficiency of the sewage filtering device.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a sewage filtering apparatus, which is a disposable material for the filtering cloth or the filtering paper used in the sewage filtering apparatus of the prior art, so as to avoid the waste, and reduce the filtering efficiency of the sewage filtering apparatus.

In order to achieve the purpose, the utility model provides a sewage filtering device, which comprises a base body, a filter disc and a cleaning mechanism, wherein the base body is provided with a filter cavity, a sewage inlet and a purified water outlet which are communicated with the filter cavity; the filter disc is annular, and at least one part of the annular filter disc is arranged in the filter cavity and is positioned between the sewage inlet and the purified water outlet so as to filter dirt in the sewage flowing from the sewage inlet to the purified water outlet; the cleaning mechanism has a cleaning end for removing contaminants adhered to the outer surface of the filter sheet.

Furthermore, the filter disc rotates in a circulating mode, one part of the filter disc is located in the filter cavity, the other part of the filter disc is exposed out of the filter cavity, the cleaning mechanism is connected with the base body and arranged at intervals, and the cleaning end is used for cleaning dirt attached to the outer surface of the filter disc located outside the filter cavity.

Further, the cleaning mechanism comprises a shell and a sweeping element, wherein the shell is connected with the base body and is provided with a cleaning cavity, and the filter plate rotates to pass through the cleaning cavity; the cleaning element is arranged in the cleaning cavity and is provided with a cleaning end which is contacted with the outer surface of the filter sheet to clean dirt on the outer surface of the filter sheet.

Further, the sweeping element is a scraper and/or a brush roll rotatably arranged on the housing.

Furthermore, the cleaning mechanism also comprises a cleaning system, the cleaning system comprises a water supply pipe and a first cleaning pipe, the water supply pipe is arranged on the shell and is used for being communicated with a water source, the first cleaning pipe is connected with the water supply pipe and extends to a position opposite to the outer surface of the filter sheet positioned in the cleaning cavity, and a nozzle structure used for spraying cleaning water to the position of the cleaning end is formed on the first cleaning pipe.

Further, the cleaning system also comprises a second cleaning pipe, the second cleaning pipe is connected with the water supply pipe and extends to a position opposite to the inner surface of the filter sheet in the cleaning cavity, and a cleaning water spray head structure for spraying cleaning water to the inner surface of the filter sheet is formed on the second cleaning pipe.

Furthermore, the first cleaning pipe and/or the second cleaning pipe are/is provided with a spraying pipe section extending along the width direction of the filter sheet, and a plurality of spray head structures arranged at intervals along the length direction of the spraying pipe section are formed on the spraying pipe section.

Furthermore, a sewage draining outlet communicated with the cleaning cavity is formed in the bottom wall surface of the shell, and the bottom wall surface of the cleaning cavity extends downwards in an inclined mode along the direction close to the sewage draining outlet.

Further, sewage filter equipment still includes drive division and driving roller, and the drive division is connected with the driving roller drive, and the driving roller is rotatable a plurality of, and a plurality of driving rollers set up on the base member and clean the intracavity around the annular interval in proper order, and the cassette is for around establishing the filter cloth on a plurality of driving rollers.

Further, the driving portion drives at least one of the plurality of driving rollers to rotate through the first chain.

Use the technical scheme of the utility model, a sewage filter equipment who possesses clean mechanism is provided, when guaranteeing that the filtration pore on the cassette can not block up, can also guarantee sewage filter equipment's cassette used repeatedly, has promoted the filterable economic nature of sewage.

Particularly, the sewage filtering device comprises a cleaning mechanism, and the cleaning mechanism is provided with a cleaning end, so that sewage flows through the filter plate to filter dirt in the sewage after entering the filter cavity from the sewage inlet of the sewage filtering device, the cleaning end of the cleaning mechanism can timely remove the residual dirt on the outer surface of the filter plate, and the filter holes on the filter plate are ensured not to be blocked by the dirt, so that the filter holes on the filter plate are always smooth, the sewage entering the filter cavity can be timely filtered by the sewage filtering device, the phenomenon that a large amount of sewage is accumulated on the filter plate due to the blockage of the filter holes is avoided, and the filtering efficiency of the sewage filtering device is ensured; in addition, because the cleaning mechanism can clear away the remaining filth on the cassette in time, ensure that the cassette can repetitious usage, avoid producing very big wasting of resources, promoted the filterable economic nature of sewage.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of a sewage filtration plant according to an alternative embodiment of the present invention;

FIG. 2 shows an enlarged schematic view at A in FIG. 1;

FIG. 3 shows a schematic top view of the effluent filtration unit of FIG. 1;

fig. 4 shows an enlarged schematic view at B in fig. 3.

Wherein the figures include the following reference numerals:

10. a substrate; 11. a filter chamber; 12. a sewage inlet; 13. a purified water outlet; 20. a filter disc; 30. a cleaning mechanism; 31. a housing; 311. cleaning the cavity; 32. a brush roll; 33. cleaning the system; 331. a water supply pipe; 332. a first cleaning pipe; 100. a nozzle structure; 333. a second cleaning pipe; 312. a sewage draining outlet; 40. a drive section; 50. a driving roller; 60. a tensioning mechanism; 61. a tension wheel; 70. a first chain; 80. a second chain; 111. a substrate side wall surface; 112. the bottom wall surface of the substrate; 200. a first side housing; 300. a second side housing; 14. an overflow port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the problems that the filtering cloth or the filtering paper adopted by the sewage filtering device in the prior art is disposable material, which causes great waste, is not beneficial to the economy of sewage filtering, and simultaneously greatly reduces the filtering efficiency of the sewage filtering device, the utility model provides a sewage filtering device, as shown in figure 1, the sewage filtering device comprises a base body 10, a filtering sheet 20 and a cleaning mechanism 30, wherein the base body 10 is provided with a filtering cavity 11, a sewage inlet 12 communicated with the filtering cavity 11 and a purified water outlet 13; the filter sheet 20 is annular, and at least one part of the annular filter sheet 20 is arranged in the filter cavity 11 and positioned between the sewage inlet 12 and the clean water outlet 13 so as to filter dirt in the sewage flowing from the sewage inlet 12 to the clean water outlet 13; the cleaning mechanism 30 has a cleaning end for removing contaminants attached to the outer surface of the filter sheet 20.

The application provides a sewage filter equipment who possesses clean mechanism 30 when guaranteeing that the filtration pore on the cassette 20 can not block up, can also guarantee that sewage filter equipment's cassette 20 can used repeatedly, has promoted the filterable economic nature of sewage.

Specifically, the sewage filtering device comprises the cleaning mechanism 30, and the cleaning mechanism 30 is provided with a cleaning end, so that after sewage enters the filtering cavity 11 from the sewage inlet 12 of the sewage filtering device, the sewage flows through the filtering sheet 20 to filter the dirt in the sewage, the cleaning end of the cleaning mechanism 30 can timely remove the residual dirt on the outer surface of the filtering sheet 20, and ensure that the filtering holes on the filtering sheet 20 cannot be blocked by the dirt, so that the filtering holes on the filtering sheet 20 are always smooth, the sewage filtering device can timely filter the sewage entering the filtering cavity 11, and the phenomenon that a large amount of sewage is accumulated on the filtering sheet 20 due to the blockage of the filtering holes is avoided, thereby ensuring the filtering efficiency of the sewage filtering device; in addition, because the cleaning mechanism can clear away remaining filth on the cassette 20 in time, ensure that the cassette 20 can repetitious usage, avoid producing very big wasting of resources, promoted the filterable economic nature of sewage.

It should be noted that, in the present application, in view of the fact that the filter plate 20 provided by the present application can be reused, in order to improve the convenience of reusing the filter plate 20, as shown in fig. 1, the filter plate 20 rotates circularly, and a part of the filter plate 20 is located in the filter cavity 11, and another part of the filter plate 20 is exposed outside the filter cavity 11, the cleaning mechanism 30 is connected to the base 10 and is disposed at an interval, and the cleaning end is used for cleaning dirt attached to the outer surface of the filter plate 20 located outside the filter cavity 11.

As shown in fig. 1 and 2, the cleaning mechanism 30 includes a housing 31 and a sweeping member, wherein the housing 31 is connected to the base body 10, the housing 31 has a cleaning chamber 311, and the filter 20 rotates through the cleaning chamber 311; a cleaning member is provided in the cleaning chamber 311, the cleaning member having a cleaning end contacting the outer surface of the filter sheet 20 to remove contaminants from the outer surface of the filter sheet 20. In this way, during the circulation rotation of the filter plate 20, a part of the filter plate 20 located in the filter cavity 11 rotates into the cleaning cavity 311, the cleaning end of the cleaning element contacts with the outer surface of the filter plate 20 and removes the dirt remaining thereon, and the part of the filter plate 20 rotates through the cleaning cavity 311 and then continues to circulate into the filter cavity 11, so as to ensure that no dirt remains on the outer surface of the part of the filter plate 20, and thus ensure that the filter plate 20 can normally perform subsequent filtering operation.

It should be noted that in the present application, the sweeping member is a brush roller 32 rotatably provided on the housing 31. Therefore, as the brush roller 32 is in rolling contact with the filter sheet 20, the generation of large friction force caused by overlarge contact area between the brush roller 32 and the filter sheet 20 is avoided, and the brush roller 32 is ensured not to block the rotation of the filter sheet 20 in the brushing process; furthermore, the brush roller 32 brushes dirt remaining on the outer surface of the filter sheet 20 in a rotating manner, which contributes to the cleaning ability of the sweeping member.

In the present application, the cleaning element is a blade. Thus, after the scraper contacts with the outer surface of the filter sheet 20, the residual dirt on the outer surface of the filter sheet 20 is scraped, the dirt is separated from the sewage and has certain humidity, the possibility of attaching to the working surface of the scraper exists, and the scraper can stop the dirt on the working surface and rotate to the filter cavity 11 along with the filter sheet 20, so that the filtering reliability of the sewage filtering device is ensured.

Note that, in the present application, the sweeping elements are a squeegee and a brush roller 32 rotatably provided on the housing 31, and the squeegee is provided at a position close to the base 10, and the brush roller 32 is provided at a position distant from the base 10 with a gap therebetween. Thus, after dirt on the outer surface of the filter sheet 20 is once removed by the brush roller 32, the dirt is removed again by the scraper, and the cleaning reliability of the cleaning mechanism 30 is ensured.

As shown in fig. 2 to 4, the cleaning mechanism 30 further includes a cleaning system 33, the cleaning system 33 includes a water supply pipe 331 provided on the housing 31 and communicating with a water source, and a first cleaning pipe 332 connected to the water supply pipe 331 and extending to a position opposite to the outer surface of the filter 20 located in the cleaning chamber 311, the first cleaning pipe 332 having a nozzle structure 100 formed thereon for spraying cleaning water to a position of a cleaning end. In this way, by spraying the cleaning water to the position of the cleaning end through the nozzle structure 100 on the first cleaning pipe 332, the cleaning water can wash off the dirt from the outer surface of the filter 20 while the cleaning element removes the dirt on the outer surface of the filter 20, thereby ensuring the cleaning reliability of the cleaning mechanism 30.

As shown in fig. 2 to 4, the washing system 33 further includes a second washing pipe 333, the second washing pipe 333 is connected to the water supply pipe 331 and extends to a position opposite to the inner surface of the filter 20 positioned in the cleaning chamber 311, and a washing water spray head structure 100 for spraying the washing water to the inner surface of the filter 20 is formed on the second washing pipe 333. In this way, the nozzle structure 100 of the second cleaning pipe 333 sprays cleaning water to the inner surface of the filter 20, so that the cleaning water can wash the inner surface of the filter 20 while the cleaning member removes contaminants on the outer surface of the filter 20, thereby ensuring the cleaning reliability of the cleaning mechanism 30.

As shown in fig. 4, each of the first cleaning pipe 332 and/or the second cleaning pipe 333 has a spray pipe section extending in the width direction of the filter sheet 20, and a plurality of spray head structures 100 are formed on the spray pipe section at intervals in the length direction thereof. In this way, it is ensured that the first cleaning pipe 332 simultaneously sprays cleaning water to the position of the cleaning end through the plurality of head structures 100 thereon, and that the cleaning water can be sprayed in the width direction of the filter 20, thereby ensuring the cleaning reliability of the cleaning mechanism 30.

As shown in fig. 1, a sewage draining outlet 312 communicated with the cleaning cavity 311 is formed on the bottom wall surface of the housing 31, and the bottom wall surface of the cleaning cavity 311 extends obliquely downwards along a direction close to the sewage draining outlet 312. Thus, it is ensured that the cleaning member removes contaminants from the outer surface of the filter 20, the cleaning water sprayed from the first cleaning pipe 332 after washing the outer surface of the filter 20, and the cleaning water sprayed from the second cleaning pipe 333 after washing the inner surface of the filter 20 can be discharged out of the cleaning chamber 311 through the drain outlet 312 in time, thereby ensuring the cleaning of the cleaning chamber 311.

As shown in fig. 1, the sewage filtering apparatus further includes a driving portion 40 and a plurality of driving rollers 50, the driving portion 40 is in driving connection with the driving rollers 50, the driving rollers 50 are rotatable, the plurality of driving rollers 50 are sequentially arranged on the substrate 10 and in the cleaning cavity 311 at intervals around the ring shape, and the filter sheet 20 is a filter cloth wound on the plurality of driving rollers 50. Like this, drive a plurality of driving rollers 50 through drive portion 40 and rotate, a plurality of driving rollers 50 rotate and drive around establishing the second chain 80 on a plurality of driving rollers 50 and rotate, and then drive cassette 20 circulation and rotate, ensure the rotational stability of cassette 20.

Alternatively, the driving part 40 drives at least one of the plurality of driving rollers 50 to rotate by the first chain 70.

As shown in fig. 1, a portion of the base sidewall 111 and a portion of the base bottom wall 112 together define the filter cavity 11.

As shown in fig. 1, the sewage filtering apparatus further includes a tensioning mechanism 60, and a tensioning wheel 61 on the tensioning mechanism 60 plays a tensioning role on the filter 20, so as to prevent the filter 20 from loosening during the circular rotation process, thereby ensuring the rotational stability of the filter 20.

As shown in fig. 1, the sewage filtering apparatus further includes a first side housing 200 and a second side housing 300, and the first side housing 200 and the second side housing 300 both extend out of the filter cavity 11 and are welded to the base 10, respectively, wherein a first overflowing hole is formed in one side of the first side housing 200 facing the filter cavity 11, so that when the sewage in the filter cavity 11 is excessive, the sewage in the filter cavity 11 can timely flow into the first side housing 200 through the overflowing hole and be discharged from an overflowing port 14 on the bottom of the first side housing 200; a second overflowing hole is formed in one side, facing the filter cavity 11, of the second side shell 300, so that filtered purified water can timely flow into the purified water storage box through the purified water outlet 13 in the bottom of the second side shell 300.

It should be noted that, in this application, sewage filter equipment still includes sewage dispersion mechanism, and sewage dispersion mechanism sets up on the top internal wall of filter chamber 11 to set up with filter 20 relatively, like this, after sewage got into sewage dispersion mechanism by sewage import 12, sewage dispersion mechanism can spray sewage on filter 20 evenly, avoids sewage to concentrate under self gravity to fall into on filter 20 and lead to filter 20 filter effect inhomogeneous, filter speed slow, ensures that filter 20 can rotate by the circulation steadily.

It should be noted that, the filter cloth that this application adopted is wear-resisting nylon to increase the thickness of nylon, be favorable to promoting sewage filter equipment's filter fineness.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

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 filtration apparatus, comprising:

the device comprises a base body (10), wherein the base body (10) is provided with a filter cavity (11), and a sewage inlet (12) and a purified water outlet (13) which are communicated with the filter cavity (11);

the filter sheet (20) is annular, at least one part of the annular filter sheet (20) is arranged in the filter cavity (11) and is positioned between the sewage inlet (12) and the purified water outlet (13) so as to filter dirt in the sewage flowing from the sewage inlet (12) to the purified water outlet (13);

a cleaning mechanism (30), the cleaning mechanism (30) having a cleaning end for removing contaminants adhered to the outer surface of the filter sheet (20).

2. The sewage filtering apparatus according to claim 1, wherein said filter sheet (20) rotates circularly, and a portion of said filter sheet (20) is located in said filter chamber (11), and another portion of said filter sheet (20) is exposed outside said filter chamber (11), said cleaning mechanism (30) is connected to said base body (10) and disposed at an interval, and said cleaning end is used for cleaning the dirt attached on the outer surface of said filter sheet (20) located outside said filter chamber (11).

3. The effluent filtering device according to claim 2, wherein said cleaning means (30) comprises:

a housing (31), the housing (31) being connected to the base body (10), the housing (31) having a cleaning chamber (311), the filter sheet (20) being rotated through the cleaning chamber (311);

a sweeping element disposed within the cleaning cavity (311), the sweeping element having the cleaning end in contact with an outer surface of the filter sheet (20) to remove contaminants from the outer surface of the filter sheet (20).

4. The wastewater filtration unit of claim 3,

the sweeping element is a scraper and/or a brush roller (32) rotatably arranged on the housing (31).

5. The sewage filtering apparatus according to claim 3, wherein said cleaning mechanism (30) further comprises a cleaning system (33), said cleaning system (33) comprising a water supply pipe (331) and a first cleaning pipe (332), said water supply pipe (331) being provided on said housing (31) and being adapted to communicate with a water source, said first cleaning pipe (332) being connected to said water supply pipe (331) and extending to a position opposite to an outer surface of said filter sheet (20) located in said cleaning chamber (311), said first cleaning pipe (332) being formed with a nozzle structure (100) for spraying cleaning water to a position of said cleaning end.

6. The sewage filtering apparatus according to claim 5, wherein said washing system (33) further comprises a second washing pipe (333), said second washing pipe (333) being connected to said water supply pipe (331) and extending to a position opposite to the inner surface of said filter sheet (20) located in said cleaning chamber (311), said second washing pipe (333) having formed thereon a washing water nozzle structure (100) for spraying washing water to the inner surface of said filter sheet (20).

7. The effluent filtering apparatus according to claim 6, wherein said first cleaning pipe (332) and/or said second cleaning pipe (333) each has a spray pipe section extending in a width direction of said filter sheet (20), said spray pipe section having a plurality of said nozzle structures (100) formed thereon at intervals in a length direction thereof.

8. The sewage filtering device according to claim 3, wherein a sewage draining outlet (312) communicated with the cleaning cavity (311) is formed in the bottom wall surface of the housing (31), and the bottom wall surface of the cleaning cavity (311) extends obliquely downwards along a direction close to the sewage draining outlet (312).

9. The sewage filtering device according to claim 3, further comprising a driving portion (40) and a plurality of driving rollers (50), wherein the driving portion (40) is in driving connection with the driving rollers (50), the driving rollers (50) are rotatable, the plurality of driving rollers (50) are sequentially arranged on the base body (10) and in the cleaning cavity (311) at intervals around a ring shape, and the filter sheet (20) is a filter cloth wound on the plurality of driving rollers (50).

10. The wastewater filtering device according to claim 9, wherein the driving section (40) drives at least one of the plurality of driving rollers (50) to rotate by a first chain (70).