CN220860800U - Filter bag device convenient to wash - Google Patents

Abstract

The utility model relates to the technical field of filters, and provides a device convenient for flushing filter bags, which comprises a filter shell, wherein the bottom of the filter shell is connected with a drainage pipeline and a back flushing pipeline, a drainage assembly is arranged at the top of the filter shell, a connecting pipeline is arranged on the drainage assembly, a filter bag back flushing assembly is arranged in the filter shell, the filter bag back flushing assembly comprises an annular frame, a plurality of vertical rods are fixed on the annular frame, a bracket is arranged on the vertical rods, a mounting groove is formed in the surface of the bracket, and a filter bag is arranged in the mounting groove. Through above-mentioned technical scheme, the filter that need to unpack in the prior art, the filter bag is torn open, and the water is washed repeatedly, and the equipment of need stopping in washing the period moreover, very extravagant time influences the problem of the work efficiency of equipment.

Description

Filter bag device convenient to wash

Technical Field

The utility model relates to the technical field of filters, in particular to a device convenient for flushing a filter bag.

Background

A filter is additionally arranged at the outlet of the workshop wastewater pool pump, and a filter bag is additionally arranged in the filter; the problem that the outlet flow is low frequently appears, discovers that the filter bag is stifled, then need take apart the filter, pull down the filter bag, wash with water repeatedly, need stop equipment in the washing period moreover, very waste time influences the work efficiency of equipment, leads to the waste water pond liquid level to be higher moreover easily.

Thus an improvement is made to the above-mentioned problems.

Disclosure of utility model

The utility model provides a device convenient for flushing a filter bag, which solves the problems that in the related art, a filter is required to be disassembled, the filter bag is required to be disassembled, water is used for flushing repeatedly, equipment is required to be stopped during flushing, time is wasted, and the working efficiency of the equipment is affected.

The technical scheme of the utility model is as follows: comprising

The bottom of the filter shell is connected with a drainage pipeline and a back flushing pipeline;

The discharge assembly is arranged at the top of the filter shell and is provided with a connecting pipeline;

The filter bag backwash assembly is arranged in the filter shell and comprises an annular frame, a plurality of vertical rods are fixed on the annular frame, brackets are arranged on the vertical rods, mounting grooves are formed in the surfaces of the brackets, and filter bags are mounted in the mounting grooves.

As a further technical scheme, the upper end of the bracket is connected with a pressing frame in an inserting way, and the pressing frame is fixedly connected with the bracket by bolts.

As a further technical scheme, the exhaust assembly comprises a butt joint pipeline, the butt joint pipeline is connected between the connecting pipeline and the filter shell, the outer wall of the butt joint pipeline is connected with an exhaust pipeline, and the inner wall of the exhaust pipeline is fixedly connected with a baffle plate.

As a further technical scheme, control valves are arranged on the drainage pipeline and the back flushing pipeline.

As a further aspect, the annular shelf and the bracket diameter are sized to match the filter housing inner diameter.

As a further technical scheme, the blocking plate is of an inclined structure and is positioned at the upper end of the communicating position of the butt joint pipeline and the discharge pipeline.

As a further technical scheme, the cross section of the pressing frame is of a ladder-shaped structure.

As a further technical scheme, the drainage pipeline and the back flushing pipeline are of L-shaped structures and are opposite in opening direction.

The working principle and the beneficial effects of the utility model are as follows:

1. According to the utility model, the filter bag backwashing assembly is arranged, the filter bag can be backwashed through water entering through the backwashing pipeline, the filter bag can rise through the water level, filtered matters in the filter bag can be fully discharged along with backwashed water at the position of the discharge assembly, flushing can be rapidly completed after short stopping, and compared with the efficiency of manually cleaning the filter bag when the filter is completely disassembled, the filter bag backwashing assembly has the advantages of higher use effect and improvement of the working efficiency of equipment.

2. According to the utility model, by designing the discharge assembly, the filter bag can be blocked in the butt joint pipeline through the blocking plate during back flushing, so that the filter bag is positioned in the butt joint pipeline, and the filter material can be fully discharged at the discharge pipeline, thereby realizing the effective discharge effect of the filter material.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

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

FIG. 2 is an isometric view of a portion of a filter bag backwash assembly of the present utility model;

FIG. 3 is an isometric view of a portion of a docking conduit according to the present utility model;

FIG. 4 is an isometric view of a portion of a compression frame of the present utility model;

FIG. 5 is a cross-sectional view of the present utility model;

FIG. 6 is a partial enlarged view of portion A of FIG. 5 in accordance with the present utility model;

In the figure: 1. A filter housing; 2. a drainage pipe; 3. back flushing the pipeline; 4. a filter bag backwash assembly; 4-1, an annular frame; 4-2, vertical bars; 4-3, a bracket; 4-4, a mounting groove; 4-5, filtering bag; 4-6, compacting the frame; 5. a discharge assembly; 5-1, butting pipelines; 5-2, a discharge pipe; 5-3, a blocking plate; 6. a control valve; 7. and connecting pipelines.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.

As shown in FIGS. 1-6, the present embodiment provides a device for facilitating flushing of filter bags, comprising

The filter comprises a filter shell 1, wherein the bottom of the filter shell 1 is connected with a drainage pipeline 2 and a back flushing pipeline 3;

The discharge assembly 5 is arranged at the top of the filter shell 1, and a connecting pipeline 7 is arranged on the discharge assembly 5;

The filter bag backwash assembly 4, filter bag backwash assembly 4 sets up in filter shell 1, filter bag backwash assembly 4 includes annular frame 4-1, be fixed with a plurality of vertical pole 4-2 on the annular frame 4-1, be provided with bracket 4-3 on the vertical pole 4-2, bracket 4-3 surface has seted up mounting groove 4-4, install filter bag 4-5 in the mounting groove 4-4, bracket 4-3 upper end cartridge is connected with compresses tightly frame 4-6, adopts bolt fixed connection between compressing tightly frame 4-6 and the bracket 4-3.

In this embodiment, in order to achieve the effect of directly backwashing the filter bag 4-5 without dismantling the filter housing 1, the filter bag backwashing component 4 is designed, a structure composed of an annular frame 4-1, a vertical frame and a bracket 4-3 is additionally arranged outside the filter bag 4-5, the filter bag 4-5 is placed in a mounting groove 4-4 of the bracket 4-3, then a pressing frame 4-6 is sleeved on the bracket 4-3 and pressed on the filter bag 4-5, after pressing, the filter bag 4-5 is firmly mounted in the filter housing 1 through bolt fixation, the filter bag 4-5 is used for fixing the filter bag 4-5, a backwashing pipeline 3 is opened during backwashing, water enters the filter housing 1 through external water supply, the filter bag 4-5 is washed upwards and is discharged through a discharge component 5 along with the rise of water level, the effective backwashing effect can be achieved, the time for dismantling the filter housing 1 is saved, and the working efficiency of equipment is improved. In order to realize back flushing discharge of the filtered matters, a discharge assembly 5 is designed, the filter bag 4-5 can be lifted upwards by water entering from the bottom of the filter shell 1, and the filtered matters are discharged rapidly in cooperation with the rising of the water level.

Specifically, the control valve 6 on the drain pipe 2 needs to be closed in the back flushing process, and the water pressure entering the filter housing 1 needs to be controlled, so that the situation of countercurrent caused by excessive water pressure is avoided.

Further, the exhaust assembly 5 comprises a butt joint pipeline 5-1, the butt joint pipeline 5-1 is connected between the connecting pipeline 7 and the filter shell 1, the outer wall of the butt joint pipeline 5-1 is connected with an exhaust pipeline 5-2, and the inner wall of the exhaust pipeline 5-2 is fixedly connected with a blocking plate 5-3.

In this embodiment, the abutting joint pipeline 5-1 is installed between the connecting pipeline 7 and the filter, the discharging pipeline 5-2 is arranged at one side of the abutting joint pipeline 5-1, the discharging pipeline 2 can be independently connected with other collecting containers with valves in the prior art, so that the filtering materials in backwashing can be conveniently cleaned in a concentrated mode, the blocking plate is used for preventing the filtering bag 4-5, and the filtering bag 4-5 in backwashing is prevented from being higher than the position of the discharging pipeline.

Furthermore, the drain pipeline 2 and the back flush pipeline 3 are both provided with control valves 6, and the drain pipeline 2 and the back flush pipeline 3 are in L-shaped structures and have opposite opening directions.

In this embodiment, the control valve 6 is used to control the switching of the backwash pipeline 3 of the drain pipeline 2, the control valve 6 of the backwash pipeline 3 needs to be closed during normal filtration, and the control valve 6 of the drain pipeline 2 needs to be closed before the control valve 6 of the backwash pipeline 3 is opened during backwash.

Further, the diameter of the annular shelf 4-1 and the bracket 4-3 are matched to the size of the inner diameter of the filter housing 1.

In this embodiment, the annular frame 4-1 and the bracket 4-3 are tightly attached to the inside of the filter housing 1, so that the sealing effect and normal filtration are prevented from being affected by shaking.

Further, the blocking plate 5-3 is in an inclined structure, and the blocking plate 5-3 is positioned at the upper end of the communicating part of the abutting joint pipeline 5-1 and the discharge pipeline 5-2.

In this embodiment, the filter bag 4-5 is used to block the height of the discharge pipe 5-2 so that the filtered material can be discharged at the discharge pipe 5-2 sufficiently.

Further, the cross section of the pressing frame 4-6 is in a ladder-shaped structure.

In the embodiment, the pressing frame 4-6 can be matched with the stepped structure formed by the bracket 4-3 and the mounting groove 4-4, so that the filter bag 4-5 can be firmly pressed in the mounting groove 4-4, and the effect of firm sealing is achieved.

When back flushing is needed, the control valve 6 on the drainage pipeline 2 is closed by manual operation, then the control valve 6 on the back flushing pipeline 3 is opened, the back flushing pipeline 3 is connected with a water supply pump in the prior art, water is injected into the filter shell 1, the filter bag 4-5 floats upwards and props under the baffle plate 5-3, the back flushing water carries filter materials to be discharged outwards through the discharge pipeline 5-2, one end of the discharge pipeline 5-2 can be connected with a valve collecting container in the prior art in advance, the filter materials are cleaned after back flushing is finished, and finally the control valve 6 is restored to a normal filtering state.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. A filter bag device convenient to wash is characterized by comprising

The filter comprises a filter shell (1), wherein the bottom of the filter shell (1) is connected with a drainage pipeline (2) and a back flushing pipeline (3);

The discharge assembly (5), the discharge assembly (5) is arranged at the top of the filter shell (1), and a connecting pipeline (7) is arranged on the discharge assembly (5);

The filter bag backwash assembly (4), filter bag backwash assembly (4) set up in filter shell (1), filter bag backwash assembly (4) are including annular frame (4-1), be fixed with a plurality of vertical pole (4-2) on annular frame (4-1), be provided with bracket (4-3) on vertical pole (4-2), mounting groove (4-4) have been seted up on bracket (4-3) surface, install filter bag (4-5) in mounting groove (4-4).

2. A device for facilitating flushing of filter bags according to claim 1, characterized in that the upper end of the bracket (4-3) is connected with a pressing frame (4-6) in an inserted manner, and the pressing frame (4-6) is fixedly connected with the bracket (4-3) by bolts.

3. A filter bag arrangement for facilitating flushing according to claim 1, characterised in that the drain assembly (5) comprises a docking conduit (5-1), the docking conduit (5-1) being connected between the connecting conduit (7) and the filter housing (1), the docking conduit (5-1) being connected to the outer wall with a drain conduit (5-2), the inner wall of the drain conduit (5-2) being fixedly connected with a blocking plate (5-3).

4. A device for facilitating flushing of filter bags according to claim 1, characterised in that control valves (6) are arranged on both the drain pipe (2) and the backwash pipe (3).

5. A device for facilitating flushing of filter bags according to claim 1, characterized in that the diameter of the annular shelf (4-1) and the bracket (4-3) is matched to the inner diameter size of the filter housing (1).

6. A filter bag arrangement for facilitating flushing according to claim 3, characterised in that the blocking plate (5-3) is of an inclined configuration, the blocking plate (5-3) being located at the upper end of the docking conduit (5-1) where it communicates with the evacuation conduit (5-2).

7. A device for facilitating flushing of filter bags according to claim 2, characterised in that said compacting frame (4-6) has a stepped structure in cross section.

8. A device for facilitating flushing of filter bags according to claim 1, characterised in that the drain pipe (2) is of L-shaped construction and the opening direction is opposite to the backwash pipe (3).