CN220047357U - Filter equipment and sewage recycling equipment - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment equipment application, in particular to a filtering device and sewage recycling equipment. The filtering device comprises a water inlet pipeline, a water outlet pipeline, a filtering component and a backflushing structure capable of backflushing the filtering component, wherein the backflushing structure comprises a backflushing pipeline, the filtering component at least comprises two filtering plates and a rotating component, the filtering plates can be inserted into the water inlet pipeline and the backflushing pipeline, the cross sections of the filtering plates are identical to those of the water inlet pipeline and the backflushing pipeline, the two ends of the filtering plates can be abutted against the water inlet pipeline or the backflushing pipeline in a sealing manner, the rotating component is connected with the filtering plates, and the rotating component can enable the filtering plates positioned in the water inlet pipeline and the backflushing pipeline to be exchanged. The filter plate can be rotated, replaced and washed by arranging the rotating assembly, so that the sewage recycling operation and the backflushing operation are simultaneously carried out, a large amount of time is saved, and the water yield is improved.

Description

Filter equipment and sewage recycling equipment

Technical Field

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

Background

The reuse of wastewater or sewage after secondary treatment and advanced treatment in production systems or other uses in life is called sewage reuse. The sewage reuse can not only effectively save and utilize limited fresh water resources, but also reduce the discharge of sewage or wastewater and reduce the pollution to water environment.

After secondary treatment and advanced treatment, the wastewater or sewage can reach the recycling standard after ultrafiltration and reverse osmosis. Before ultrafiltration, since water contains a large amount of impurities and suspended matters, in order to reach ultrafiltration water inflow standard and avoid blocking or damaging an ultrafiltration membrane, a filter screen is usually arranged before sewage enters an ultrafiltration device.

In the prior art, after the filter screen is seriously blocked, the filter screen is required to be removed for cleaning, and ultrafiltration operation can be continued after impurities in the filter screen are removed. Thus, the sewage recycling operation is interrupted, a great amount of time is wasted, and the water yield is reduced.

Therefore, a filter device is needed to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a filtering device which can finish the cleaning of a filtering plate under the condition of not interrupting the sewage recycling operation.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a filter equipment, includes water inlet pipeline, outlet pipe way and filter unit, filter equipment is still including can the back flush filter unit's recoil structure, the recoil structure includes the recoil pipeline, filter unit includes two blocks of filter and rotary part at least, water inlet pipeline with the recoil pipeline homoenergetic is inserted the filter, the cross-section of filter with water inlet pipeline with the cross-section of recoil pipeline is the same, the both ends of filter can with water inlet pipeline or the sealed counterbalance of recoil pipeline, rotary part with the filter is connected, rotary part is rotatory can make to be located water inlet pipeline with in the recoil pipeline the filter changes.

As a preferable technical solution of the above filtering device, the rotating assembly includes a driving mechanism, and the driving mechanism is connected with the filtering plate.

As a preferable technical scheme of the above filtering device, the rotating assembly further comprises a rotating rod, the rotating rod is connected with the driving mechanism, and the filtering plate is fixedly arranged on the rotating rod.

As a preferable technical solution of the above filtering device, the rotating assembly further includes a rotating disc, the rotating disc has a filtering hole, and the filtering plate is disposed in the filtering hole.

As a preferable technical scheme of the above filtering device, the rotating assembly further comprises a sealing ring, and the sealing ring is arranged between the filtering plate and the filtering hole.

As a preferable technical scheme of the filtering device, the back flushing structure further comprises a water pump and a flushing assembly, wherein the water pump is connected with the back flushing pipeline, and the flushing assembly is connected with the back flushing pipeline.

As a preferable technical scheme of the filtering device, the flushing assembly comprises a cleaning brush structure, the cleaning brush structure can be rotatably arranged on the backflushing pipeline, and the cleaning brush structure is in contact with the filter plate.

As a preferable technical scheme of the filtering device, the filtering device further comprises a pressure gauge, wherein the pressure gauge is arranged on the water inlet pipeline and is located at the upstream of the filter plate.

As a preferable technical scheme of the filtering device, the filtering device further comprises a valve, and the valve is arranged on the water inlet pipeline and is located at the upstream of the filtering plate.

The sewage recycling equipment comprises an ultrafiltration device and the filtration device, wherein the filtration device is arranged at the front end of the ultrafiltration device.

The utility model has the beneficial effects that: the utility model provides a filtering device, which comprises a water inlet pipeline, a water outlet pipeline, a filtering component and a backflushing structure capable of backflushing the filtering component, wherein the backflushing structure comprises a backflushing pipeline, the filtering component at least comprises two filtering plates and a rotating component, the filtering plates can be inserted into the water inlet pipeline and the backflushing pipeline, the cross section of each filtering plate is the same as that of the water inlet pipeline and the backflushing pipeline, two ends of each filtering plate can be in sealing propping connection with the water inlet pipeline or the backflushing pipeline, the rotating component is connected with the filtering plates, and the rotation of the rotating component can enable the filtering plates positioned in the water inlet pipeline and the backflushing pipeline to be replaced. The filter plate can be rotated, replaced and washed by arranging the rotating assembly, so that the sewage recycling operation and the backflushing operation are simultaneously carried out, a large amount of time is saved, and the water yield is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram of a filtering device according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic view of a rotary assembly according to an embodiment of the present utility model

Fig. 4 is a schematic structural diagram of a rotating disc according to an embodiment of the present utility model.

In the figure:

1. a water inlet pipeline;

2. a water outlet pipeline;

3. a filter assembly; 31. a filter plate; 32. a driving mechanism; 33. a rotating rod; 34. a rotating disc; 341. a mounting hole; 342. a filter hole; 35. a seal ring;

4. a water outlet;

5. a valve;

6. a backflushing pipeline;

7. a water pump;

8. a pressure gauge;

9. and (5) cleaning brushes.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 4, the present utility model provides a filtering apparatus and a sewage reuse device, the filtering apparatus including a water inlet pipeline 1, a water outlet pipeline 2 and a filtering assembly 3.

Referring to fig. 1 and 2 specifically, the filtering device further comprises a backflushing structure capable of backflushing the filtering component 3, the backflushing structure comprises a backflushing pipeline 6, the direction of water flow in the backflushing pipeline 6 is opposite to that of water flow in the water inlet pipeline 1, the filtering component 3 at least comprises two filtering plates 31 and a rotating component, the filtering plates 31 can be inserted into the water inlet pipeline 1 and the backflushing pipeline 6, the cross sections of the filtering plates 31 are identical to those of the water inlet pipeline 1 and the backflushing pipeline 6, two ends of the filtering plates 31 can be in sealing contact with the water inlet pipeline 1 or the backflushing pipeline 6, the rotating component is connected with the filtering plates 31, the rotating component can enable the filtering plates 31 located in the water inlet pipeline 1 and the backflushing pipeline 6 to be exchanged, one side of the filtering plates 31 located at the upstream of the water inlet pipeline 1 becomes one side of the filtering plates 31 at the downstream of the backflushing pipeline 6, and impurities on the filtering plates 31 can be conveniently washed by the backflushed structure. By arranging the rotating assembly, the filter plate 31 can be rotated, replaced and washed, so that the sewage recycling operation and the backflushing operation are simultaneously performed, a large amount of time is saved, and the water yield is improved.

Further, as shown in fig. 1, the back flushing structure further comprises a water pump 7 and a flushing assembly, wherein the water pump 7 is connected with the back flushing pipeline 6, water passing through the water pump 7 has pressure, and reaches the filter plate 31 through the back flushing pipeline 6 to flush the filter plate 31; the washing assembly comprises a washing brush structure, the washing brush structure is rotatably arranged in the backflushing pipeline 6, a rotating shaft of the washing brush structure penetrates through the pipe wall of the backflushing pipeline 6 and is connected with an external driving motor, the washing brush structure is in contact with the filter plate 31, impurities falling simultaneously can enter a sedimentation tank along with water flow, waste water discharged by the backflushing structure is sedimentated by the sedimentation tank, and can continuously enter the water inlet pipeline 1 for recycling, so that water resources are saved, and the water resource utilization rate is improved. Specifically, as shown in fig. 2, the cleaning brush 9 is of a cylindrical structure, and is rotatably disposed in the backflushing pipeline 6, the cleaning brush 9 is fixedly connected with a rotating shaft of the cleaning brush structure, water flow can pass through two sides of the cleaning brush 9, bristles are disposed on the outer side surface of the cleaning brush 9 and are in contact with the filter plate 31, the bristles are made of hard materials and can be bent and deformed, in this way, the cleaning brush structure is disposed on the upstream of the filter plate 31, the filter plate 31 is cleaned by rotating the cleaning brush 9, and vortex can be generated by rotating the cleaning brush 9, so that the filter plate 31 is more favorably cleaned, and impurities are prevented from being precipitated in the backflushing pipeline 6.

Further, as shown in fig. 1, the filtering device further comprises a pressure gauge 8, wherein the pressure gauge 8 is arranged on the water inlet pipeline 1 and is positioned upstream of the filter plate 31. The pressure gauge 8 is used for measuring the pressure upstream of the filter plate 31, and if the pressure of the pressure gauge 8 increases, it indicates that the water flow upstream of the filter plate 31 is blocked, the filter plate 31 is severely blocked, and the filter plate 31 needs to be replaced. The blocking condition of the filter plate 31 can be intuitively judged through the change of the pressure gauge 8, and then the filter plate 31 in the water inlet pipeline 1 and the backflushing pipeline 6 is replaced through the rotating assembly, so that the continuous operation of the filter device is ensured.

Further, the filter device comprises a valve 5, the valve 5 being arranged in the water inlet line 1 upstream of the filter plate 31. Because the filter plate 31 is inserted between the water inlet pipeline 1 and the backflushing pipeline 6, when the filter plate 31 is driven to rotate by the rotating component, the water inlet pipeline 1 and the backflushing pipeline 6 have running water loss, and because the water inlet pipeline 1 continuously works and the backflushing pipeline 6 intermittently works, the valve 5 is arranged on the water inlet pipeline 1, and when the filter plate 31 needs to be replaced, the valve 5 is closed, so that the running water loss of the water inlet pipeline 1 can be reduced.

Further, the casing of the filtering device is provided with the water outlet 4, so that when the filtering plate 31 is replaced, water flowing out of the water inlet pipeline 1 and the backflushing pipeline 6 can be discharged, and in order to save water resources, sewage discharged from the water outlet 4 can be led into a sedimentation tank, and is sedimented by the sedimentation tank to enter the water inlet pipeline 1 again.

Further, as shown in fig. 1 and 3, the rotating assembly includes a driving mechanism 32, the driving mechanism 32 is connected with the filter plate 31, and the driving mechanism 32 can drive the filter plate 31 to rotate, so as to realize replacement of the filter plate 31 in the water inlet pipeline 1 and the backflushing pipeline 6.

Still further, the rotating assembly further includes a rotating rod 33, the rotating rod 33 is connected with the driving mechanism 32, and the filter plate 31 is fixedly arranged on the rotating rod 33. One end of the rotary rod 33 is fixedly connected with the output end of the driving mechanism 32, the other end of the rotary rod 33 is fixedly connected with the filter plate 31, synchronous rotation of the rotary rod 33, the output end of the driving mechanism 32 and the filter plate 31 is ensured, and accurate replacement of the filter plate 31 in the water inlet pipeline 1 and the backflushing pipeline 6 is realized. Of course, in other embodiments, the rotation assembly may include a gear assembly, through which the filter plate 31 is rotated to accomplish accurate replacement of the filter plate 31.

Still further, as shown in fig. 3 and 4, the rotating assembly further includes a rotating disc 34, the rotating disc 34 has a mounting hole 341 and a filtering hole 342, the rotating disc 34 is fixedly connected with the rotating rod 33 through the mounting hole 341, and the filtering plate 31 is disposed in the filtering hole 342. In order to prevent the filter plate 31 from directly contacting the water inlet pipeline 1 and the backflushing pipeline 6 and prevent the filter plate 31 from being excessively worn to influence the service life of the filter plate 31, the filter plate 31 is arranged in the filter holes 342, so that the friction force born by the filter plate 31 can be reduced, the outer side wall of the filter plate 31 is protected, the filter plate 31 is prevented from deforming, and the service life of the filter plate 31 is prolonged; in order to realize synchronous rotation of the rotating disc 34 and the rotating rod 33, the rotating disc 34 is fixedly connected with the rotating rod 33 through the mounting hole 341, and the connection mode can be interference fit, threaded connection or the like. Of course, in other embodiments, the rotating disk 34 may be welded to the rotating rod 33.

Still further, the rotary assembly further comprises a sealing ring 35, the sealing ring 35 being arranged between the filter plate 31 and the filter hole 342. In order to enhance the tightness between the filter plate 31 and the rotating disc 34, a sealing ring 35 is arranged between the filter plate 31 and the filter holes 342, and the sealing ring 35 is abutted against the side wall of the filter holes 342 and the outer side wall of the filter plate 31, so that the tightness between the filter plate 31 and the rotating disc 34 is enhanced; meanwhile, the sealing ring 35 also enhances the tightness between the filter plate 31 and the water inlet pipeline 1 and the backflushing pipeline 6, the sealing ring 35 is extruded by the side wall of the filter hole 342 and the outer side wall of the filter plate 31, and part of the sealing ring 35 protrudes out of the filter plate 31 and the rotating disc 34, so that the sealing ring 35 also props against the water inlet pipeline 1 and the backflushing pipeline 6 to prevent water from flowing out of the joint of the water inlet pipeline 1 and the backflushing pipeline 6 and the filter plate 31, and meanwhile, due to the protruding effect of the part of the sealing ring 35, even if the filter plate 31 has small deviation with the water inlet pipeline 1 and the backflushing pipeline 6, water does not flow out, and the normal operation of the device is not influenced.

Further, the filtering device further comprises a controller, the controller is electrically connected with the driving mechanism 32, the water pump 7, the cleaning brush structure, the pressure gauge 8 and the valve 5 respectively, when the numerical value of the pressure gauge 8 is increased, the controller receives a signal, the controller sends out a command for closing the valve 5, the driving mechanism 32 works, then the water pump 7 and the cleaning brush structure are controlled to work, replacement and cleaning work of the filter plate 31 are completed, the valve 5 is opened, the filter plate 31 is cleaned, the water pump 7 and the cleaning brush structure stop working, and the next replacement is waited. The controller can be a centralized or distributed controller, for example, the controller can be a single-chip microcomputer or a plurality of distributed single-chip microcomputers, and a control program can be run in the single-chip microcomputer to control each component to realize the functions of the single-chip microcomputer.

The embodiment of the utility model also discloses sewage recycling equipment, which comprises an ultrafiltration device and the filtration device provided by the embodiment of the utility model, wherein the filtration device is arranged at the front end of the ultrafiltration device, sewage is subjected to rough filtration by the filtration device, and then the water after rough filtration is led into the ultrafiltration device, and the water after treatment by the ultrafiltration device can reach recycling standards. The filtering device provided by the embodiment of the utility model is provided with the backflushing structure, the backflushing structure is arranged separately from the water inlet pipeline 1, the filtering component 3 is arranged between the backflushing structure and the water inlet pipeline 1, the filtering component 3 at least comprises two filtering plates 31 and a rotating component, the filtering plates 31 can be inserted into the water inlet pipeline 1 and the backflushing pipeline 6, the rotating component can rotate to enable the filtering plates 31 positioned in the water inlet pipeline 1 and the backflushing pipeline 6 to be exchanged, the replacement of the blocked filtering plates 31 and the unblocked filtering plates 31 is completed, meanwhile, the backflushing structure cleans the blocked filtering plates 31, the whole replacement process time is extremely short, so that sewage recycling operation can be continuously carried out, the backflushing operation is considered, a large amount of time is saved, and the water yield is improved. Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein.

It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The filtering device comprises a water inlet pipeline (1), a water outlet pipeline (2) and a filtering component (3), and is characterized in that the filtering device further comprises a backflushing structure capable of backflushing the filtering component (3), the backflushing structure comprises a backflushing pipeline (6), the filtering component (3) at least comprises two filtering plates (31) and a rotating component, the filtering plates (31) can be inserted into the water inlet pipeline (1) and the backflushing pipeline (6), the cross section of the filtering plates (31) is identical to the cross section of the water inlet pipeline (1) and the cross section of the backflushing pipeline (6), two ends of the filtering plates (31) can be abutted against the water inlet pipeline (1) or the backflushing pipeline (6) in a sealing mode, the rotating component is connected with the filtering plates (31), and the rotating component can enable the filtering plates (31) in the water inlet pipeline (1) and the backflushing pipeline (6) to be exchanged.

2. A filter device according to claim 1, characterized in that the rotation assembly comprises a drive mechanism (32), which drive mechanism (32) is connected to the filter plate (31).

3. The filter device according to claim 2, wherein the rotating assembly further comprises a rotating rod (33), the rotating rod (33) is connected with the driving mechanism (32), and the filter plate (31) is fixedly arranged on the rotating rod (33).

4. A filter device according to claim 3, wherein the rotating assembly further comprises a rotating disc (34), the rotating disc (34) having filter holes (342), the filter plate (31) being arranged in the filter holes (342).

5. The filter device according to claim 4, wherein the rotating assembly further comprises a sealing ring (35), the sealing ring (35) being arranged between the filter plate (31) and the filter hole (342).

6. The filter device according to claim 1, characterized in that the backflushing structure further comprises a water pump (7) and a flushing assembly, the water pump (7) being connected to the backflushing line (6), the flushing assembly being connected to the backflushing line (6).

7. The filter device according to claim 6, characterized in that the flushing assembly comprises a cleaning brush structure which is rotatably arranged in the backflush line (6), the cleaning brush structure being in contact with the filter plate (31).

8. The filter device according to any one of claims 1-7, further comprising a pressure gauge (8), said pressure gauge (8) being arranged in said water inlet line (1) upstream of said filter plate (31).

9. The filter device according to any one of claims 1-7, further comprising a valve (5), said valve (5) being arranged in said water inlet line (1) upstream of said filter plate (31).

10. A sewage reuse apparatus comprising an ultrafiltration device and a filtration device according to any one of claims 1 to 9, said filtration device being mounted at the front end of said ultrafiltration device.