CN220047246U

CN220047246U - Bag type back flushing filter

Info

Publication number: CN220047246U
Application number: CN202320974050.4U
Authority: CN
Inventors: 杨来强; 张伟伟
Original assignee: Xinxiang Filter Purification Equipment Co ltd
Current assignee: Xinxiang Filter Purification Equipment Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-11-21
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a bag type backwash filter, which comprises a filter main body, wherein a filter bag is arranged in the filter main body, a supporting net is sleeved on the outer side wall of the filter bag, a connecting ring is arranged on the outer side wall of the supporting net, a drain pipe is arranged at the bottom of the filter bag, a drain valve is arranged on the drain pipe, one side of the upper end of the filter main body is connected with a water inlet pipe, the other side of the lower end of the filter main body is connected with a water outlet pipe, a water pipe is arranged in the center of the interior of the filter bag, a high-pressure spray head is connected to the side wall of the water pipe, and a bracket is connected to the bottom of the water pipe. According to the utility model, through arranging the water pipe and the high-pressure spray head, the inner wall of the filter bag can be completely washed, the filter bag is not required to be disassembled and washed, the time required for cleaning the filter bag is shortened, and the working efficiency of sewage filtering treatment is accelerated; through setting up connecting pipe and back flush pipe, can reach the rivers backward flow washing after realizing filtering, avoid causing the jam to high pressure nozzle.

Description

Bag type back flushing filter

Technical Field

The utility model relates to the technical field of filters, in particular to a bag type back flushing filter.

Background

The bag filter is multipurpose filtration equipment for sewage treatment, possesses advantages such as small, energy-conserving high-efficient, work is airtight, the suitability is strong, the inside filter mechanism that is regarded as by the filter bag of bag filter, the filter bag is supported by the metal mesh, sewage flows in the filter bag inboard from the entry, after the filter bag filters impurity, rivers pass the filter bag and get into the filter bag outside, finally flow out from the export, after filtering for a long time, impurity adheres to on the filter bag inner wall, in order to avoid impurity to pile up a large amount of filter effects and the filtration rate that influence the filter bag, need regularly dismantle clean filter bag.

At present, a bag filter lacks a back flushing function, after the filter bag is used for a long time, the filter bag is manually opened, the filter bag is removed, impurities attached to the inner wall of the filter bag are cleaned, the cleaning process takes a long time, and the filter bag is cleaned in a shutdown state, so that the sewage filtering treatment efficiency is affected.

Disclosure of Invention

The utility model provides a bag type backwash filter capable of cleaning filter bags on line, aiming at the defects and shortcomings in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bag type back flush filter, includes the filter main part, the inside filter bag that is provided with of filter main part, the filter bag lateral wall cover is equipped with the supporting network, the go-between is installed to the supporting network lateral wall, the blow off pipe has been seted up to the filter bag bottom, install the blowoff valve on the blow off pipe, filter main part upper end one side is connected with the inlet tube, filter main part lower extreme opposite side is connected with the outlet pipe, the inside center department of filter bag is provided with the water pipe, the water pipe lateral wall is connected with high-pressure shower nozzle, the water pipe bottom is connected with the support, the water pipe top is connected with the connecting pipe, the connecting pipe top is connected with the pivot, the pivot top runs through filter main part lateral wall and is connected with the motor.

Preferably, the water pipe is inside cavity and open-top's pipe form, the water pipe bottom is rotated with the support through the bearing and is connected, water pipe top and pivot body coupling, the water pipe runs through with pivot junction lateral wall and has seted up logical groove.

Preferably, the number of the high-pressure spray heads is a plurality, the side walls at one side of the water pipe are distributed at equal intervals, and the high-pressure spray heads are communicated with the inner cavity of the water pipe.

Preferably, the inner walls at the upper end and the lower end of the connecting pipe are respectively provided with a sealing bearing, one side of the connecting pipe is connected with a backwashing pipe, the connecting pipe is in a round pipe shape with hollow inside and closed ends, and the inner cavity of the connecting pipe is communicated with the inner cavity of the water pipe through a through groove.

Preferably, the outer diameter of the water pipe and the rotating shaft are matched with the inner diameter of the connecting pipe, the water pipe and the rotating shaft are inserted into the connecting pipe, and the water pipe and the rotating shaft are rotationally connected with the connecting pipe through sealing bearings.

Preferably, the bottom end of the back flushing pipe is connected with a water pump, the top end of the back flushing pipe is connected with the side wall of the connecting pipe, and the bottom end of the back flushing pipe is connected with the side wall of the water outlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the bag type backwash filter, the water through pipe and the high-pressure spray head are arranged, when a large amount of impurities are attached to the inner wall of the filter bag, water in the water through pipe flows into the high-pressure spray head, high-pressure spray head water flows out to flush the inner wall of the filter bag, the impurities on the inner wall of the filter bag are flushed out by the impact force of the high-pressure water, non-contact cleaning is performed, damage to the surface layer of the filter bag caused by brush cleaning is avoided, meanwhile, the motor drives the rotating shaft to rotate, the rotating shaft drives the water through pipe to rotate in the filter bag, the full flushing of the inner wall of the filter bag is realized, the filter bag can be cleaned on line without disassembling the filter bag, the time required by cleaning the filter bag is shortened, and the sewage filtering treatment efficiency is accelerated;

2. according to the bag type backwash filter, the connecting pipe and the backwash pipe are arranged, water filtered in the water outlet pipe is driven by the water pump to enter the backwash pipe, water flows from the backwash pipe to enter the inner cavity of the connecting pipe and then enter the water through the through groove, the filtered water flows are backwashed, the high-pressure spray head is prevented from being blocked, the water flows in the water through pipe are connected with the backwash pipe by the connecting pipe, and the water supply to the inner cavity of the water through pipe is realized while the water through pipe rotates.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of portion A of FIG. 1 according to the present utility model;

FIG. 3 is a schematic diagram of a connection structure between a rotary shaft and a water pipe according to the present utility model.

In the figure: 1. a filter body; 2. a filter bag; 3. a support net; 4. a connecting ring; 5. a blow-down pipe; 6. a blow-down valve; 7. a water inlet pipe; 8. a water outlet pipe; 9. a water pipe; 10. a high pressure nozzle; 11. a bracket; 12. a connecting pipe; 13. a rotating shaft; 14. a motor; 15. a through groove; 16. sealing the bearing; 17. a back flushing pipe; 18. and (3) a water pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "configured with," "connected," and the like are to be construed broadly as, for example, "connected," either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between 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.

As shown in fig. 1 to 3, the bag type backwash filter provided in this embodiment includes a filter main body 1, a filter bag 2 is provided inside the filter main body 1, the filter bag 2 is used as a main structure for filtering impurities in sewage, a support net 3 is sleeved on the outer side wall of the filter bag 2, the support net 3 is mounted outside the filter bag 2 for supporting the filter bag 2, a connecting ring 4 is mounted on the outer side wall of the support net 3, the connecting ring 4 is integrally connected with the support net 3, the outer side wall of the connecting ring 4 is connected with the inner wall of the filter for mounting the support net 3 inside the filter, a drain pipe 5 is provided at the bottom of the filter bag 2, the drain pipe 5 is used for cleaning the inside of the filter bag 2, a drain valve 6 is mounted on the drain pipe 5, a water inlet pipe 7 is connected to one side of the upper end of the filter main body 1, the filter main part 1 lower extreme opposite side is connected with outlet pipe 8, filter bag 2 inside center department is provided with water pipe 9, water pipe 9 lateral wall is connected with high-pressure shower nozzle 10, it washes filter bag 2 inner wall to borrow high-pressure shower nozzle 10 water spray, water pipe 9 bottom is connected with support 11, the support bottom is connected with blow off pipe 5 top, the support 11 top is connected with water pipe 9 through the bearing, be used for supporting water pipe 9, make water pipe 9 at the inside stable rotation of filter main part 1, water pipe 9 top is connected with connecting pipe 12, connecting pipe 12 is used for connecting pivot 13 and water pipe 9, the connecting pipe 12 top is connected with pivot 13, the pivot 13 top runs through filter main part 1 lateral wall and is connected with motor 14, motor 14 axle head connection pivot 13 top.

Specifically, the water pipe 9 is hollow inside and open-topped tubular, the inside water flow that lets in of water pipe 9 is used for back flush filter bag 2 inner wall, the water pipe 9 bottom rotates with support 11 through the bearing and is connected, water pipe 9 top and pivot 13 an organic whole are connected, drive pivot 13 through motor 14 and rotate, pivot 13 drives water pipe 9 and rotate, water pipe 9 and pivot 13 junction lateral wall runs through and has seted up logical groove 15, water pipe 9 inner chamber communicates with each other with connecting pipe 12 inner chamber through logical groove 15, when motor 14 drives pivot 13 and rotates, pivot 13 drives water pipe 9 and rotates in filter bag 2, water pipe 9 connects a plurality of high-pressure shower nozzles 10 to rotate, realize carrying out comprehensive flushing to filter bag 2 inner wall.

The quantity of the high-pressure spray heads 10 is a plurality of, the side walls on one side of the water passing pipe 9 are equidistantly distributed, the distance between every two adjacent high-pressure spray heads 10 meets the requirement that the spraying range of the high-pressure spray heads 10 covers the inner wall of the filter bag 2, the high-pressure spray heads 10 are communicated with the inner cavity of the water passing pipe 9, water in the water passing pipe 9 flows into the high-pressure spray heads 10, water discharged from the high-pressure spray heads 10 washes the inner wall of the filter bag 2 at high pressure, impurities on the inner wall of the filter bag 2 are washed away by the impact force of the high-pressure water, non-contact cleaning is performed, and damage to the surface layer of the filter bag 2 caused by brush cleaning is avoided.

As shown in fig. 2, the inner walls at the upper and lower ends of the connecting pipe 12 in this embodiment are respectively provided with a sealing bearing 16, which is used for realizing the rotation of the connecting pipe 12 relative to the rotating shaft 13 and the water-through pipe 9, and sealing the inner cavity of the connecting pipe 12, one side of the connecting pipe 12 is connected with a back flushing pipe 17, the side wall of the connecting pipe 12 is connected with the back flushing pipe 17, so that the inner cavity of the connecting pipe 12 is communicated with the back flushing pipe 17, the connecting pipe 12 is in a circular tube shape with hollow inside and closed ends, the inner cavity of the connecting pipe 12 is communicated with the inner cavity of the water-through pipe 9 through a through groove 15, and the water in the back flushing pipe 17 is circulated into the water-through pipe 9 by the connecting pipe 12, so as to provide a water source for the water outlet of the high-pressure nozzle 10.

The outer diameter of the water pipe 9 and the rotating shaft 13 are matched with the inner diameter of the connecting pipe 12, the water pipe 9 and the rotating shaft 13 are inserted into the connecting pipe 12, the rotating shaft 13 is connected with the water pipe 9 by virtue of the connecting pipe 12, the water pipe 9 and the rotating shaft 13 are rotationally connected with the connecting pipe 12 through the sealing bearing 16, the rotating shaft 13 and the water pipe 9 are rotated relative to the connecting pipe 12 through the sealing shaft layer, and interference caused by water inflow to the back flushing pipe 17 is avoided.

The bottom end of the back flushing pipe 17 is connected with a water pump 18, the top end of the back flushing pipe 17 is connected with the side wall of the connecting pipe 12, the water filtered in the water outlet pipe 8 is driven by the water pump 18 to enter the back flushing pipe 17, the bottom end of the back flushing pipe 17 is connected with the side wall of the water outlet pipe 8, water flows from the back flushing pipe 17 into the inner cavity of the connecting pipe 12 and then flows into the water through pipe 9 through the through groove 15, the back flushing of the filtered water is realized, and the problem that impurities in water caused by sewage flushing cause blockage to the high-pressure spray head 10 is avoided.

The working process and principle of the utility model are as follows: the sewage directly enters the inner side of the filter bag 2 from the water inlet pipe 7, along with the rise of the water level in the filter bag 2, the inner side and the outer side of the filter bag 2 form a pressure difference, water flow can independently pass through the filter bag 2 to circulate to the outer side of the filter bag 2, impurities in the sewage are filtered out by the filter bag 2, the impurities are attached to the inner wall of the filter bag 2, and filtered water flows out from the water outlet pipe 8. After the filter bag 2 works for a long time, in order to avoid the reduction of the filtering effect of the filter bag 2, a cleaning procedure is needed, the valve of the water outlet pipe 8 is closed, meanwhile, the water supply of the water inlet pipe 7 is stopped, then the water filtered in the water outlet pipe 8 is driven by the water pump 18 to enter the back flushing pipe 17, water flow enters the inner cavity of the connecting pipe 12 from the back flushing pipe 17 and then enters the water through the through groove 15 into the water through pipe 9, the water flow in the water through pipe 9 is introduced into the high-pressure spray head 10, the high-pressure spray head 10 discharges water to flush the inner wall of the filter bag 2 at high pressure, impurities on the inner wall of the filter bag 2 are flushed by the impact force of the high-pressure water, the non-contact cleaning is performed, the surface layer of the filter bag 2 is prevented from being damaged by the brush cleaning, meanwhile, the motor 14 drives the rotating shaft 13 to rotate, the water through pipe 9 is driven to rotate in the filter bag 2, the overall flushing of the inner wall of the filter bag 2 is realized, the water flow after the flushing is finished, the sewage discharge valve 6 on the sewage pipe 5 is opened, and the water flow carries clean impurities.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A bag back flush filter comprising a filter body (1), characterized in that: filter main part (1) inside is provided with filter bag (2), filter bag (2) lateral wall cover is equipped with supporting network (3), go-between (4) are installed to supporting network (3) lateral wall, blow off pipe (5) have been seted up to filter bag (2) bottom, install blow off valve (6) on blow off pipe (5), filter main part (1) upper end one side is connected with inlet tube (7), filter main part (1) lower extreme opposite side is connected with outlet pipe (8), filter bag (2) inside center department is provided with water pipe (9), water pipe (9) lateral wall is connected with high pressure shower nozzle (10), water pipe (9) bottom is connected with support (11), water pipe (9) top is connected with connecting pipe (12), connecting pipe (12) top is connected with pivot (13), pivot (13) top runs through filter main part (1) lateral wall and is connected with motor (14).

2. The bag back flush filter of claim 1, wherein: the water pipe (9) is hollow in the inside and is in a circular tube shape with an open top, the bottom end of the water pipe (9) is rotationally connected with the support (11) through a bearing, the top of the water pipe (9) is integrally connected with the rotating shaft (13), and a through groove (15) is formed in the side wall of the joint of the water pipe (9) and the rotating shaft (13) in a penetrating mode.

3. The bag back flush filter of claim 1, wherein: the number of the high-pressure spray heads (10) is a plurality, the side walls at one side of the water pipe (9) are distributed at equal intervals, and the high-pressure spray heads (10) are communicated with the inner cavity of the water pipe (9).

4. The bag back flush filter of claim 1, wherein: sealing bearings (16) are arranged on the inner walls of the upper end and the lower end of the connecting pipe (12), one side of the connecting pipe (12) is connected with a backwashing pipe (17), the connecting pipe (12) is in a round pipe shape with a hollow inside and two closed ends, and the inner cavity of the connecting pipe (12) is communicated with the inner cavity of the water pipe (9) through a through groove (15).

5. The bag back flush filter of claim 4, wherein: the outer diameter of the water pipe (9) and the rotating shaft (13) are matched with the inner diameter of the connecting pipe (12), the water pipe (9) and the rotating shaft (13) are inserted into the connecting pipe (12), and the water pipe (9) and the rotating shaft (13) are rotatably connected with the connecting pipe (12) through sealing bearings (16).

6. The bag back flush filter of claim 4, wherein: the bottom end of the back flushing pipe (17) is connected with a water pump (18), the top end of the back flushing pipe (17) is connected with the side wall of the connecting pipe (12), and the bottom end of the back flushing pipe (17) is connected with the side wall of the water outlet pipe (8).