CN211585502U

CN211585502U - Self-cleaning sewage filtering device

Info

Publication number: CN211585502U
Application number: CN201922453291.0U
Authority: CN
Inventors: 胡海蓉; 黄文�
Original assignee: Chengdu Tairun Environmental Engineering Co ltd
Current assignee: Chengdu Tairun Environmental Engineering Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-29
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a self-cleaning sewage filtering device, which comprises a filtering container, wherein the bottom of the filtering container is provided with a water inlet, the side wall of the filtering container is provided with a water outlet, at least two sections of columnar filtering nets are spliced into a columnar filtering net layer in the filtering container, wherein the upper end of the columnar filter screen layer is fixedly connected with the top of the filter container, the top of the filter container is provided with a driving device which reciprocates around the circle center within a limited angle, the lower end of the driving shaft of the driving device is connected with a cleaning driving shaft, a centripetal supporting strip is arranged on the shaft body of the cleaning driving shaft, the gap between the support ring and the annular groove is smaller than the aperture of the filter screen, the upper part of the filter container is provided with a sewage draining outlet, the drain communicates with the inner space of filter screen layer, set up the brush holder on the support ring, set up the cleaning brush towards column filter screen layer on the brush holder.

Description

Self-cleaning sewage filtering device

Technical Field

The utility model relates to a sewage treatment device, concretely relates to self-cleaning sewage filter equipment.

Background

The primary filtering device for sewage treatment in the prior art has the advantages that filter residues need to be cleaned frequently and are inconvenient to clean, the filtering efficiency is reduced after the primary filtering device is used for a period of time, and the filter screen is easily blocked by the filtered filter residues, so that water flow is not smooth. When filter equipment filters, impurity flows in the rivers direction, the mesh of filter screen is bored to the path end of impurity, the big footpath end jamming of impurity is inboard at the filter screen, conventional filter sets up the axis of rotation usually in the filter screen inboard, set up the steel brush in the axis of rotation, it is inboard to brush the filter screen through just brushing in the axis of rotation, adopt this kind of structure steel brush can only brush the filter screen inside part impurity, some impurity can thoroughly imbed the mesh card and die in addition, some fibre that contains in the impurity in addition, the winding is on single mesh or a plurality of meshes, it is poor to brush the effect along the rivers direction. The effect of the automatically cleaning of filter is poor among the existing structure, uses and to be infected with a lot of impurity on can making inside filter equipment for a long time to make the filter effect reduce, dismantle more difficult, lead to difficult clearance.

Disclosure of Invention

The utility model aims at the not enough of prior art, provide a self-cleaning sewage filter equipment, it can solve and carry out the brush-removing of impurity in the filter screen outside, can make impurity move back into the filter screen inboard on the rivers direction, can show to improve and clear away efficiency.

The purpose of the utility model is realized like this: a self-cleaning sewage filtering device comprises a filtering container, wherein a water inlet is formed in the bottom of the filtering container, a water outlet is formed in the side wall of the filtering container, at least two sections of columnar filtering nets are spliced into a columnar filtering net layer in the filtering container, the upper end of the columnar filtering net layer is fixedly connected with the top of the filtering container, the bottom end of the columnar filtering net layer is fixedly connected with the bottom of the filtering container, at least two annular grooves which are equally divided by 360 degrees are formed between end heads of adjacent filtering nets, a driving device which reciprocates around the circle center within a limited angle is arranged at the top of the filtering container, the lower end of a driving shaft of the driving device is connected with a cleaning driving shaft, the lower end of the cleaning driving shaft downwards extends into the inside of the bottom of the filtering container, a centripetal supporting bar is arranged on the shaft body of the cleaning driving shaft, and the far ends of the centripetal, the supporting ring covers the annular groove, the gap between the supporting ring and the annular groove is smaller than the aperture of the filter screen, the upper part of the filter container is provided with a drain outlet, the drain outlet is communicated with the inner space of the filter screen layer, a brush holder is arranged on the supporting ring, and a cleaning brush facing to the cylindrical filter screen layer is arranged on the brush holder.

The ends between adjacent filter screens are connected through a plurality of fan-shaped blocks, and an annular groove is formed in the space between the adjacent fan-shaped blocks.

The central angle corresponding to the sector ring section of the support ring between the adjacent brush holders is smaller than the central angle corresponding to the annular groove.

The end between adjacent filter screens is provided with three annular grooves which are uniformly distributed on the circumference, and the central angle corresponding to each annular groove is larger than 90 degrees.

At least four brush holders which are equally divided by 360 degrees are arranged on the support ring.

Two side faces of the fixing ring are provided with threaded mounting holes, and one end, through which the brush handle passes, is connected in the corresponding threaded mounting hole through threads.

A brush holder is arranged on a strip section of the centripetal support bar positioned on the inner side of the filter screen layer, a cleaning brush is arranged on the brush holder, and the cleaning brush is in contact with the inner surface of the filter screen layer.

The fixed disk of filter vessel's end drive shaft of holding down, the fixed disk sets up a plurality of spokes that centripetal, and a plurality of spokes jointly support mount pad down, wash driven lower extreme and rotationally support under on the mount pad.

By adopting the scheme, the sewage filter has the advantages that when the sewage filter is used for filtering, sewage containing impurities enters from the water inlet, the impurities are intercepted by the filter screen and are discharged through the sewage discharge outlet, part of the sewage passing through the filter screen is discharged through the water outlet, when the impurities attached to the filter screen layer are increased, the driving device is started to drive the cleaning driving shaft to rotate, the cleaning driving shaft drives the support ring to reciprocate around the circle center within a limited angle, the gap between the support ring and the annular groove is smaller than the aperture of the filter screen, the structure can prevent the impurities with the size filtered by the ultra-filter screen from entering the water outlet, the brush handle reciprocates around the circle center within a limited angle on the outer surface of the filter screen layer, the bristles of the cleaning brush on the brush handle penetrate through the meshes during the brushing process, and reversely push the impurities and fibers blocked in the filter screen, so that the impurities can retreat into the inner side of the filter, can show the improvement and clear away efficiency, not hard up or move back to the inboard impurity of filter screen layer or spacing rivers taken away by the flow direction drain, close the delivery port in the cleaning process, only open the drain, the brush removes the effect better, adopts the utility model discloses, can clear up the filter screen layer under the condition of not disassembling the filter, cleaning efficiency is high, easy and simple to handle.

The invention will be further explained with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a support ring arrangement.

In the drawing, 100 is a filtering container, 110 is a water inlet, 120 is a water outlet, 130 is a sewage outlet, 200 is a cylindrical filtering screen layer, 210 is a filtering screen, 220 is an annular groove, 250 is a sector block, 300 is a driving device, 310 is a cleaning driving shaft, 320 is a fixed disc, 321 is a mounting seat, 340 is a centripetal supporting bar, 350 is a supporting ring, and 351 is a brush handle.

Detailed Description

Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, one embodiment of a self-cleaning wastewater filtration apparatus, includes a filtration vessel 100, the bottom of the filtering container 100 is provided with a water inlet 110, the side wall of the filtering container 100 is provided with a water outlet 120, at least two sections of columnar filter screens 210 are spliced into a columnar filter screen layer 200 in the filter container, the ends of the adjacent filter screens 210 are connected through a plurality of fan-shaped blocks 250, a ring-shaped groove 220 is formed in the space between the adjacent fan-shaped blocks 250, wherein the upper end of the columnar filter screen layer 200 is fixedly connected with the top of the filter container 100, the bottom end of the columnar filter screen layer 200 is fixedly connected with the bottom of the filter container 100, at least two annular grooves 220 equally divided by 360 degrees are arranged between the end heads of the adjacent filter screens 210, in the embodiment, three annular grooves 220 uniformly distributed on the circumference are arranged at the end between the adjacent filter screens 210, and the corresponding central angle of each annular groove 220 is larger than 90 degrees. The top of the filtering container 100 is provided with a driving device 300 which reciprocates around the circle center within a limited angle, the driving device 300 can be an arc motor or a hydraulic motor, the arc motor is a special motor which can drive a load to reciprocate around the circle center within the limited angle, and the arc motor has the characteristics of a linear motor and a rotating motor, and has the advantages of simple structure, high reliability and high response speed. The lower end of the driving shaft of the driving device 300 is connected with a cleaning driving shaft 310, the lower end of the cleaning driving shaft 310 extends downwards into the bottom of the filtering container 100, the fixed disk 320 of the lower opening end driving shaft of the filtering container 100 is provided with a plurality of centripetal spokes, the centripetal spokes support a lower mounting seat 321 together, the lower end of the cleaning driving shaft is rotatably supported on the lower mounting seat 321, and the supporting rigidity of the cleaning shaft can be increased by adopting the structure. The axle of washing drive shaft 310 is on one's body set up entad support bar 340, support ring 350 is supported jointly to the distal end of entad support bar 340, support ring 350 covers on ring channel 220, the clearance between support ring 350 and the ring channel 220 is less than filter screen 210's aperture, the upper portion of filtering container 100 sets up drain 130, drain 130 and the inner space intercommunication of filter screen layer 200, set up brush holder 351 on the support ring 350, solid fixed ring's both sides face can set up the screw thread mounting hole, and threaded connection is passed through in the screw thread mounting hole that corresponds to the one end that brush holder 351 passes through. Preferably, a plurality of brush holders 351 are arranged on the support ring 350, and the central angle corresponding to the sector of the support ring 350 between adjacent brush holders 351 is smaller than the central angle corresponding to the annular groove 220, so that the cleaning brush can brush the whole outer surface area, and the cleaning can be effectively performed on the whole circumferential direction of the whole filter screen layer 200, in this embodiment, at least four brush holders 351 equally divided by 360 degrees are arranged on the support ring 350. A cleaning brush directed toward the cylindrical screen layer 200 is provided on the brush holder 351.

The utility model discloses not only confine to above-mentioned embodiment, entad support bar 340 is located and sets up brush holder 351 on the inboard strip section of filter screen layer 200, set up the cleaning brush on the brush holder 351, this cleaning brush contacts with filter screen layer 200 internal surface. The cleaning brush is provided inside the screen layer 200, so that the impurities accumulated on the inner surface of the screen layer 200 can be more effectively agitated, and the impurities can be brought to the drain outlet 130 by the water flow.

By adopting the utility model, when sewage is filtered, sewage containing impurities enters from the water inlet 110, the impurities are intercepted at the filter screen and are discharged through the sewage outlet 130, part of sewage passing through the filter screen 210 is discharged through the water outlet 120, when the attached impurities are increased on the filter screen layer 200, the driving device 300 drives the cleaning driving shaft 310 to rotate by opening the driving device 300, the cleaning driving shaft 310 drives the supporting ring 350 to do reciprocating motion around the circle center in a limited angle, the clearance between the supporting ring 350 and the annular groove 220 is smaller than the aperture of the filter screen 210, the adoption of the structure can prevent the impurities with the size filtered by the ultra-filter screen 210 from entering the water outlet, the brush handle 351 does reciprocating motion around the circle center in a limited angle on the outer surface of the filter screen layer 200, the bristles of the cleaning brush on the brush handle 351 penetrate through meshes in the brushing process and reversely push away the impurities and fibers blocked in the, can make impurity move back into the filter screen inboard on the opposite direction of impurity motion, can show to improve and clear away efficiency, not hard up or move back into filter screen layer 200 inboard impurity or spacing rivers taken away by flow direction drain 130, close delivery port 120 in the cleaning process, only open drain 130, the brushing effect is better, adopts the utility model discloses, can clear up filter screen layer 200 under the condition of not disassembling the filter, cleaning efficiency is high, easy and simple to handle.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A self-cleaning sewage filtering apparatus comprising a filtering container (100), characterized in that: the bottom of the filtering container (100) is provided with a water inlet (110), the side wall of the filtering container (100) is provided with a water outlet (120), at least two sections of columnar filtering nets (210) are spliced into a columnar filtering net layer (200) in the filtering container, the upper end of the columnar filtering net layer (200) is fixedly connected with the top of the filtering container (100), the bottom end of the columnar filtering net layer (200) is fixedly connected with the bottom of the filtering container (100), at least two annular grooves (220) which are equally divided by 360 degrees are arranged between the end heads of the adjacent filtering nets (210), the top of the filtering container (100) is provided with a driving device (300) which reciprocates around the circle center within a limited angle, the lower end of a driving shaft of the driving device (300) is connected with a cleaning driving shaft (310), and the lower end of the cleaning driving shaft (310) extends downwards into the inside of the bottom, the axle of washing drive shaft (310) sets up entad support bar (340) on one's body, the distal end of entad support bar (340) passes corresponding ring channel (220) respectively and supports a support ring (350) jointly, support ring (350) lid is on ring channel (220), the clearance between support ring (350) and ring channel (220) is less than the aperture of filter screen (210), the upper portion of filter container (100) sets up drain (130), the inner space intercommunication of drain (130) and filter screen layer (200), set up brush holder (351) on support ring (350), set up the cleaning brush towards column filter screen layer (200) on brush holder (351).

2. The self-cleaning wastewater filtration apparatus of claim 1, wherein: the ends of the adjacent filter screens (210) are connected through a plurality of fan-shaped blocks (250), and annular grooves (220) are formed in the spaces between the adjacent fan-shaped blocks (250).

3. The self-cleaning wastewater filtration apparatus of claim 2, wherein: the central angle corresponding to the sector ring section of the support ring (350) between the adjacent brush holders (351) is smaller than the central angle corresponding to the annular groove (220).

4. The self-cleaning wastewater filtration apparatus of claim 3, wherein: the end between the adjacent filter screens (210) is provided with three annular grooves (220) which are uniformly distributed on the circumference, and the central angle corresponding to each annular groove (220) is larger than 90 degrees.

5. The self-cleaning wastewater filtration apparatus of claim 4, wherein: at least four brush holders (351) equally divided by 360 degrees are arranged on the support ring (350).

6. The self-cleaning wastewater filtration apparatus of claim 1, wherein: two side faces of the fixing ring are provided with threaded mounting holes, and one end of the brush handle (351) is connected into the corresponding threaded mounting hole through threads.

7. The self-cleaning wastewater filtration apparatus of claim 2, wherein: the centripetal support bar (340) is arranged on a bar section on the inner side of the filter screen layer (200) and is provided with a brush handle (351), the brush handle (351) is provided with a cleaning brush, and the cleaning brush is contacted with the inner surface of the filter screen layer (200).

8. The self-cleaning wastewater filtration apparatus of claim 2, wherein: fixed disk (320) of the lower port end drive shaft of filter container (100), fixed disk (320) set up a plurality of spokes of entad, and a plurality of spokes of entad support mount pad (321) together, wash driven lower extreme and rotationally support under on mount pad (321).