CN213433242U

CN213433242U - Self-cleaning water filtering device

Info

Publication number: CN213433242U
Application number: CN202021953163.9U
Authority: CN
Inventors: 黄振明
Original assignee: Fujian Jianzhiyuan Environmental Protection Technology Co ltd
Current assignee: Fujian Jianzhiyuan Environmental Protection Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-06-15
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a self-cleaning water filtering device, wherein a filter screen is a round table taper structure with thick top and thin bottom, the upper end of the filter screen is connected with an annular plate, the lower end of the filter screen is fixedly connected with a bottom plate, the lower end surface of the bottom plate is provided with a protruding part, the protruding part on the bottom plate is embedded into one side of the upper opening of a positioning ring, the bottom plate is provided with a through groove communicated with the inside of the positioning ring, the center of the bottom of a shell is connected with a blow-off pipe, the outer, and the diameters of the annular pipes are reduced in equal proportion from top to bottom, two adjacent annular pipes are connected through a connecting rod, one side of the outer peripheral surface of each annular pipe facing the filter screen is uniformly provided with a nozzle, one end of the flushing pipe extending into the shell is bent downwards by 90 degrees, the bent section of the flushing pipe is attached to the inner wall of the shell, and the tail end of the bent section is in a closed shape, the bent section of the flushing pipe is connected with each annular pipe through a communicating pipe, and one end of the flushing pipe, which is arranged outside the shell, is connected to one side of an outlet of the booster pump. The utility model has the advantages of time saving, labor saving and convenient cleaning.

Description

Self-cleaning water filtering device

Technical Field

The utility model relates to a self-cleaning water filtering device is applied to water treatment facilities technical field.

Background

With the increasing serious water pollution, water resources are in shortage, so that sewage needs to be purified so as to be reused, and the problem of insufficient water resources is solved. The water filtering device is a device for intercepting solid-phase impurities through a filter screen, so that solid suspended matters and particles in water are removed, and the turbidity of the water is reduced. Water filtering device is after using a period in the existing market, and the surface of filter screen and sewage contact can deposit solid phase impurity, and the filtration pore probably is blockked up by impurity to reduced its filter effect, can only solve its mode of clearing up through demolising the filter screen on the existing market, this kind of mode need consume a large amount of labours and time, and frequent disassembling also can cause the damage to equipment, destroys the leakproofness of equipment. In view of the above situation, a self-cleaning water filtering device is provided.

SUMMERY OF THE UTILITY MODEL

For solving prior art scheme's defect, the utility model discloses a self-cleaning water filtering device, this application has labour saving and time saving, clearance convenient advantage.

The utility model discloses a self-cleaning water filtering device, include: the device comprises a shell, a top cover, a convex ring, a water inlet pipe, an annular plate, a mounting bolt, a filter screen, a bottom plate, a positioning ring, a blow-off pipe, an annular pipe, a nozzle, a flushing pipe and a booster pump, wherein the shell is a cylindrical shell, the upper part of the shell is arranged in an open manner, the lower end face of the top cover is provided with the convex ring with the outer diameter matched with the inner diameter of the shell, the outer peripheral surface of the convex ring is provided with an external thread, the inner wall of the upper opening of the shell is provided with an internal thread matched with the external thread, the convex ring is assembled on one side of the upper opening of the shell in a threaded manner, the top cover is connected with the water inlet pipe, the annular plate is detachably and fixedly connected on the lower end face of the top cover through the mounting bolt, the filter screen is in a truncated cone-shaped structure with a thick upper, the outer diameter of the protruding part is matched with the inner diameter of the positioning ring, the protruding part on the bottom plate is embedded into one side of an upper opening of the positioning ring, a through groove communicated with the inside of the positioning ring is formed in the bottom plate, a drain pipe is connected to the center of the bottom of the shell, a drain valve is installed on the drain pipe, a plurality of annular pipes are arranged on the outer side of the filter screen side by side, the diameters of the annular pipes are reduced in equal proportion from top to bottom, two adjacent annular pipes are connected through a connecting rod, a nozzle is evenly installed on the outer peripheral surface of each annular pipe facing one side of the filter screen, the annular pipe arranged at the bottommost layer in the shell is fixedly connected with the bottom wall of the shell through a vertical rod, the flushing pipe extends into the shell from the outer side of the shell, one end of the flushing pipe extending into the shell is bent downwards by 90 degrees, the bent section of the flushing pipe is attached, the one end that the shell outside was arranged in to the flushing pipe is connected to booster pump export one side, the booster pump import is connected with external water tank through the pipeline.

The top cover and the convex ring are of an integrally formed structure.

The top end of the water inlet pipe is fixedly connected with a flange connecting block.

The bottom of the shell is connected with a water outlet pipe, and the water outlet pipe is arranged on one side of the outer portion of the positioning ring.

The through groove is of a round platform-shaped structure, the through groove is from top to bottom, and the radius of the through groove is gradually reduced.

The number of the connecting rods between two adjacent annular pipes is at least four.

And a part of the flushing pipe, which is arranged outside the shell, is provided with a flushing water valve.

By adopting the technical scheme, the method has the following advantages:

1. time and labor are saved;

2. the cleaning is convenient.

Drawings

FIG. 1 is a schematic cross-sectional view of a self-cleaning water filtering device according to the present invention;

fig. 2 is a schematic structural view of the middle ring-shaped pipe of the present invention.

Wherein: 1-a housing; 2-a top cover; 3-a convex ring; 4-water inlet pipe; 5-a ring-shaped plate; 6, mounting a bolt; 7-filtering with a filter screen; 8-a bottom plate; 9-a positioning ring; 10-a sewage draining pipe; 11-a ring-shaped tube; 12-a nozzle; 13-a flushing pipe; 14-a booster pump; 41-flange connecting block; 42-a water outlet pipe; 81-through groove; 101-a blowdown valve; 111-connecting rod; 112-upright stanchion; 131-a flush water valve; 132-communicating tube.

Detailed Description

As shown in figures 1-2, the utility model discloses a self-cleaning water filtering device, include: the device comprises a shell 1, a top cover 2, a convex ring 3, a water inlet pipe 4, an annular plate 5, a mounting bolt 6, a filter screen 7, a bottom plate 8, a positioning ring 9, a sewage discharge pipe 10, an annular pipe 11, a nozzle 12, a flushing pipe 13 and a booster pump 14, wherein the shell 1 is a cylindrical shell, the upper part of the shell is open, the lower end face of the top cover 2 is provided with the convex ring 3 with the outer diameter matched with the inner diameter of the shell 1, the outer peripheral face of the convex ring 3 is provided with an external thread, the inner wall of the upper opening of the shell 1 is provided with an internal thread matched with the external thread, the convex ring 3 is assembled on one side of the upper opening of the shell 1 in a threaded manner, the top cover 2 is connected with the water inlet pipe 4, the annular plate 5 is detachably and fixedly connected on the lower end face of the top cover 2 through the mounting bolt 6, the filter screen 7 is of a circular table structure with a thick, a positioning ring 9 is fixedly connected to one side of the center of the bottom wall of the shell 1, a protruding part is arranged on the lower end face of the bottom plate 8, the outer diameter of the protruding part is matched with the inner diameter of the positioning ring 9, the protruding part on the bottom plate 8 is embedded into one side of the upper opening of the positioning ring 9, a through groove 81 communicated with the inside of the positioning ring 9 is formed in the bottom plate 8, a sewage discharge pipe 10 is connected to the center of the bottom of the shell 1, a sewage discharge valve 101 is installed on the sewage discharge pipe 10, a plurality of annular pipes 11 are arranged on the outer side of the filter screen 7 side by side and are reduced in equal proportion from top to bottom, the diameters of the annular pipes 11 are connected through a connecting rod 111, the annular pipe 11 arranged at the bottommost layer in the shell 1 is fixedly connected with the bottom wall of the shell 1 through a vertical rod 112, nozzles 12 are uniformly installed on, and the flush pipe 13 stretches into the inside one end of shell 1 and buckles 90 downwards, the bending section and the 1 inner wall of shell of flush pipe 13 are attached, and the end of bending section is for sealing the form, the bending section of flush pipe 13 is connected with each ring pipe 11 through communicating pipe 132, the one end that the shell 1 outside was arranged in to flush pipe 13 is connected to booster pump 14 export one side, the booster pump 14 import is passed through the pipeline and is connected with external water tank.

The top cover 2 and the convex ring 3 are of an integrally formed structure.

The top end of the water inlet pipe 4 is fixedly connected with a flange connecting block 41.

The bottom of the shell 1 is connected with a water outlet pipe 42, and the water outlet pipe 42 is arranged on one side of the outer part of the positioning ring 9.

The through groove 81 is a circular truncated cone-shaped structure, and the radius of the through groove 81 is gradually reduced from top to bottom.

The number of the connecting rods 111 between two adjacent annular tubes 11 is at least four.

The part of the flushing pipe 13 which is arranged outside the housing 1 is provided with a flushing water valve 131.

The utility model discloses an implement like this: when the sewage treatment device is normally used, an external sewage pipeline is connected with the water inlet pipe 4, the drain valve 101 is kept closed, after sewage enters from the water inlet pipe 4 and is filtered by the filter screen 7, solid-phase impurities stay on the inner surface of the filter screen 7, and clean water is discharged from the water outlet pipe 42; when the filter screen 7 needs to be cleaned, the sewage is stopped from entering, the drain valve 101 is opened, the booster pump 14 is started, the booster pump 14 pumps external clean water into each annular pipe 11 through the flushing pipe 13, and finally the clean water is sprayed to the outer surface of the filter screen 7 from the nozzle 12 on the annular pipe 11, so that the clean water can flush solid-phase impurities clamped in the filter screen holes down and then is discharged from the through groove 81 and the drain pipe 10, the filter screen 7 is cleaned regularly, and the filtering effect of the filter screen 7 can be ensured; simultaneously this application can also be fast take out filter screen 7 from shell 1 in, thoroughly clear up it, can get rid of stubborn solid phase impurity, through thoroughly clear up with the sparge water clearance mutually support (twice thoroughly clear up can the interval longer time, need not frequently to go on), more effectual assurance filter screen 7 effect.

Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.

Claims

1. A self-cleaning water filtration device comprising: shell, top cap, bulge loop, inlet tube, annular slab, construction bolt, filter screen, bottom plate, holding ring, blow off pipe, annular duct, nozzle, flushing pipe, booster pump, the shell is the uncovered setting in cylindrical casing and upper portion, be equipped with the bulge loop that an external diameter and shell internal diameter match under the top cap on the terminal surface, be equipped with the external screw thread on the bulge loop outer peripheral face, the internal wall is opened to have the internal thread that matches with the external screw thread on the shell, bulge loop screw assembly is in shell upper shed one side, connect an inlet tube, its characterized in that on the top cap: the annular plate is detachably and fixedly connected to the lower end face of the top cover through a mounting bolt, the filter screen is of a round table structure with a thick upper part and a thin lower part, the upper end of the filter screen is connected with the annular plate, the filter screen and the annular plate are concentrically arranged, the lower end of the filter screen is fixedly connected with a bottom plate, one side of the center of the bottom wall of the shell is fixedly connected with a positioning ring, the lower end face of the bottom plate is provided with a protruding part, the outer diameter of the protruding part is matched with the inner diameter of the positioning ring, the protruding part on the bottom plate is embedded into one side of the upper opening of the positioning ring, the bottom plate is provided with a through groove communicated with the inside of the positioning ring, the center of the bottom of the shell is connected with a sewage discharge pipe, the sewage discharge valve is arranged on the sewage discharge pipe, a plurality of annular pipes are arranged outside the, arrange the inside bottommost annular tube of shell in and pass through pole setting and shell diapire rigid coupling, the flushing pipe stretches into inside the shell from the shell outside, and the flushing pipe stretches into the inside one end of shell and buckles 90 downwards, the bending section and the shell inner wall of flushing pipe are attached, and the end of bending section is for sealing the form, the bending section of flushing pipe is connected with each annular tube through communicating pipe, the one end that the shell outside was arranged in to the flushing pipe is connected to booster pump export one side, the booster pump import is passed through the pipeline and is connected with external water tank.

2. A self-cleaning water filtering device according to claim 1, wherein: the top cover and the convex ring are of an integrally formed structure.

3. A self-cleaning water filtering device according to claim 1, wherein: the top end of the water inlet pipe is fixedly connected with a flange connecting block.

4. A self-cleaning water filtering device according to claim 1, wherein: the bottom of the shell is connected with a water outlet pipe, and the water outlet pipe is arranged on one side of the outer portion of the positioning ring.

5. A self-cleaning water filtering device according to claim 1, wherein: the through groove is of a round platform-shaped structure, the through groove is from top to bottom, and the radius of the through groove is gradually reduced.

6. A self-cleaning water filtering device according to claim 1, wherein: the number of the connecting rods between two adjacent annular pipes is at least four.

7. A self-cleaning water filtering device according to claim 1, wherein: and a part of the flushing pipe, which is arranged outside the shell, is provided with a flushing water valve.