CN220142749U - Filter - Google Patents

Abstract

The utility model relates to a filter, which belongs to the field of filters and comprises a shell, a liquid inlet component, a liquid discharge pipe, a sewage discharge pipe, a filter element and a cleaning mechanism; the filter element is arranged in the shell; the liquid inlet component is arranged at the upper end of the shell; the blow-down pipe is arranged at the lower end of the shell; the liquid inlet component is communicated with the inside of the filter element; the blow-down pipe is communicated with the lower end of the filter element; the liquid discharge pipe is arranged on the shell and communicated with the inside of the shell; control valves are arranged on the liquid inlet component, the liquid discharge pipe and the sewage discharge pipe; the cleaning mechanism is rotatably arranged in the filter element, and the filter element is in sliding connection with the inner wall of the filter element; the liquid inlet component is provided with a driving mechanism for driving the cleaning mechanism to rotate. The utility model can automatically scrape off attachments on the filter element and can perform back flushing.

Description

Filter

Technical Field

The utility model relates to the field of filters, in particular to a filter.

Background

The filtering is an indispensable treatment means in the water purification process and is used for intercepting impurities in the water so as to purify the water quality or protect the normal operation of other equipment in the system. The alkali liquor filter is widely applied to production lines, and the simple design and the good performance of the alkali liquor filter enable the alkali liquor to achieve the best use effect in the circulation process, so that the alkali liquor utilization rate is effectively improved, and the problem of blockage of the spray header is effectively solved.

The common net filter is widely applied to the fields of water source filtration, industrial circulating water systems and the like due to good filtration effect and small resistance, but has the defects of small sewage containing amount, easy blockage by sewage and complex cleaning work, and the filtering part can be cleaned only by disassembling the equipment.

Disclosure of Invention

The utility model aims at solving the problems in the background technology and provides a filter which can automatically scrape attachments on a filter element and can perform back flushing.

The technical scheme of the utility model is as follows: a filter comprises a shell, a liquid inlet component, a liquid discharge pipe, a drain pipe, a filter element and a cleaning mechanism;

the filter element is arranged in the shell; the liquid inlet component is arranged at the upper end of the shell; the blow-down pipe is arranged at the lower end of the shell; the liquid inlet component is communicated with the inside of the filter element; the blow-down pipe is communicated with the lower end of the filter element; the liquid discharge pipe is arranged on the shell and communicated with the inside of the shell; control valves are arranged on the liquid inlet component, the liquid discharge pipe and the sewage discharge pipe; the cleaning mechanism is rotatably arranged in the filter element, and the filter element is in sliding connection with the inner wall of the filter element; the liquid inlet component is provided with a driving mechanism for driving the cleaning mechanism to rotate.

Preferably, the liquid inlet component comprises a spray pipe and a liquid inlet pipe; the jet pipe is arranged on the shell and is communicated with the inside of the filter element; the liquid inlet pipe is communicated with the jet pipe; the control valve is arranged on the liquid inlet pipe; the jet pipe is in a Laval jet pipe structure.

Preferably, the cleaning mechanism comprises a cleaning brush, a sliding column and an elastic piece; the cleaning brush is arranged on the sliding column; the sliding column is arranged on the driving component in a sliding way; the elastic component sets up in the periphery side of brush cleaner, and the both ends of elastic component are connected with brush cleaner and actuating mechanism respectively.

Preferably, the driving mechanism comprises a rotating frame, a rotating shaft and an impeller; the rotating shaft is rotatably arranged in the shell, and the upper end of the rotating shaft is positioned in the jet pipe; the impeller is arranged at the upper end of the rotating shaft and is positioned in the jet pipe; the rotating frame is arranged on the rotating shaft; the sliding column is arranged on the rotating frame in a sliding way, and one end of the sliding column, which is far away from the cleaning brush, is clamped with the rotating frame; the elastic piece is abutted with the rotating frame.

Preferably, the drain pipe is of a funnel-shaped structure; the control valve is arranged at the lower end of the blow-down pipe.

Preferably, the upper end of the shell is provided with a water inlet pipe; the water inlet pipe is provided with a control valve.

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

according to the utility model, alkali liquor is injected into the jet flow pipe through the liquid inlet pipe and flows into the filter element, impurities in the alkali liquor are filtered by the filter element, the filtered filter element is discharged through the liquid outlet pipe, when the alkali liquor flows through the jet flow pipe, the driving mechanism is pushed to rotate, the driving mechanism drives the sliding column to move, the sliding column drives the cleaning brush to move, the elastic piece pushes the cleaning brush to move, so that the cleaning brush is abutted against the filter element, the cleaning brush rotates in the filter element, the attachments on the inner wall of the filter element are scraped, the attachments fall into the blow-off pipe, the liquid inlet pipe is closed, the alkali liquor in the shell is completely discharged through the liquid outlet pipe, the water inlet pipe and the control valve are opened, the water inlet pipe is used for flushing water into the shell and is positioned outside the filter element, and when the water flows into the filter element, the impurities attached to the inner wall of the filter element are flushed down, and the impurities are discharged through the blow-off pipe, the alkali liquor is filtered, the reutilization is realized, or the impurities on the inner wall of the filter element are filtered, and the filter element is convenient for entering the next treatment procedure.

Drawings

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

FIG. 2 is a cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial structure of an embodiment of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3.

Reference numerals: 1. a housing; 2. a jet pipe; 3. a liquid inlet pipe; 4. a water inlet pipe; 5. a liquid discharge pipe; 6. a blow-down pipe; 7. a control valve; 8. a filter element; 9. a cleaning mechanism; 901. a cleaning brush; 902. a sliding column; 903. an elastic member; 10. a rotating frame; 11. a rotating shaft; 12. an impeller.

Detailed Description

Example 1

As shown in fig. 1-4, the filter provided by the utility model comprises a shell 1, a liquid inlet component, a liquid discharge pipe 5, a blow-off pipe 6, a filter element 8 and a cleaning mechanism 9;

the filter element 8 is arranged in the shell 1; the liquid inlet component is arranged at the upper end of the shell 1; the blow-down pipe 6 is arranged at the lower end of the shell 1; the liquid inlet component is communicated with the inside of the filter element 8; the blow-off pipe 6 is communicated with the lower end of the filter element 8; the liquid discharge pipe 5 is arranged on the shell 1 and is communicated with the inside of the shell 1; control valves 7 are arranged on the liquid inlet component, the liquid discharge pipe 5 and the sewage discharge pipe 6; the cleaning mechanism 9 is rotatably arranged in the filter element 8, and the filter element 8 is in sliding connection with the inner wall of the filter element 8; the liquid inlet component is provided with a driving mechanism for driving the cleaning mechanism 9 to rotate.

The liquid inlet component comprises a spray pipe 2 and a liquid inlet pipe 3; the jet pipe 2 is arranged on the shell 1, and the jet pipe 2 is communicated with the inside of the filter element 8; the liquid inlet pipe 3 is communicated with the jet pipe 2; the control valve 7 is arranged on the liquid inlet pipe 3; the jet pipe 2 is in a Laval jet pipe structure; the jet flow pipe 2 with the Laval nozzle structure can improve the flow velocity of alkali liquor when the alkali liquor flows through the impeller 12, and can better push the impeller 12 to rotate.

The cleaning mechanism 9 includes a cleaning brush 901, a slide column 902, and an elastic member 903; the cleaning brush 901 is arranged on the sliding column 902; the sliding post 902 is slidably disposed on the drive assembly; the elastic member 903 is provided on the outer peripheral side of the cleaning brush 901, and both ends of the elastic member 903 are connected to the cleaning brush 901 and the driving mechanism, respectively.

The blow-off pipe 6 is of a funnel-shaped structure; a control valve 7 is provided at the lower end of the drain pipe 6.

The upper end of the shell 1 is provided with a water inlet pipe 4; the water inlet pipe 4 is provided with a control valve 7.

In this embodiment, alkali lye is poured into the jet pipe 2 through the feed liquor pipe 3, flow into the filter core 8 again, impurity in the alkali lye is filtered by the filter core 8, filter core 8 after filtering is discharged through fluid-discharge pipe 5, when alkali lye flows through the jet pipe 2, promote actuating mechanism and rotate, actuating mechanism drives the slip post 902 and removes, the slip post 902 drives the brush 901 and removes, elastic component 903 promotes the brush 901 and removes, make the brush 901 support on filter core 8, and the brush 901 rotates in filter core 8, scrape the attachment on the inner wall of filter core 8, scrape the attachment, make the attachment fall into blow off pipe 6, close feed liquor pipe 3, make alkali lye in the casing 1 pass through fluid-discharge pipe 5 and discharge pipe 5 completely discharge, open inlet tube 4 and control valve 7 again, inlet tube 4 dashes water into casing 1, and be located the outside of filter core 8, thereby make water flow into filter core 8 in, with the debris that adheres to on the inner wall of filter core 8 down, and debris pass through 6 discharge, accomplish the filtration to alkali lye, make reuse, or filter the inner wall of it is convenient for it to get into under the dirt processing process.

Example two

As shown in fig. 1-4, in comparison with the first embodiment, the driving mechanism of the present embodiment includes a rotating frame 10, a rotating shaft 11 and an impeller 12; the rotating shaft 11 is rotatably arranged in the shell 1, and the upper end of the rotating shaft 11 is positioned in the jet pipe 2; the impeller 12 is arranged at the upper end of the rotating shaft 11, and the impeller 12 is positioned in the jet pipe 2; the rotating frame 10 is arranged on the rotating shaft 11; the sliding column 902 is arranged on the rotating frame 10 in a sliding way, and one end of the sliding column 902, which is far away from the cleaning brush 901, is clamped with the rotating frame 10; the elastic member 903 abuts against the turret 10.

In this embodiment, alkali liquor enters into the jet flow pipe 2 through the liquid inlet pipe 3, flows into the filter element 8 through the jet flow pipe 2, and the alkali liquor flows through the impeller 12 to push the impeller 12 to rotate, and the impeller 12 drives the rotation shaft 11 to rotate, and the rotation shaft 11 drives the rotating frame 10 to move, and the rotating frame 10 drives the cleaning mechanism 9 to move for the cleaning mechanism 9 contacts with the inner wall of the filter element 8, scrapes off the attachment on the inner wall of the filter element 8, and makes the attachment fall into the blow-off pipe 6, collects in the blow-off pipe 6.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (6)

1. The filter is characterized by comprising a shell (1), a liquid inlet component, a liquid discharge pipe (5), a sewage discharge pipe (6), a filter element (8) and a cleaning mechanism (9);

the filter element (8) is arranged in the shell (1); the liquid inlet component is arranged at the upper end of the shell (1); the blow-down pipe (6) is arranged at the lower end of the shell (1); the liquid inlet component is communicated with the inside of the filter element (8); the blow-down pipe (6) is communicated with the lower end of the filter element (8); the liquid discharge pipe (5) is arranged on the shell (1) and is communicated with the inside of the shell (1); control valves (7) are arranged on the liquid inlet component, the liquid outlet pipe (5) and the sewage discharge pipe (6); the cleaning mechanism (9) is rotatably arranged in the filter element (8), and the filter element (8) is in sliding connection with the inner wall of the filter element (8); the liquid inlet component is provided with a driving mechanism for driving the cleaning mechanism (9) to rotate.

2. A filter according to claim 1, characterized in that the feed assembly comprises a jet pipe (2) and a feed pipe (3); the jet pipe (2) is arranged on the shell (1), and the jet pipe (2) is communicated with the inside of the filter element (8); the liquid inlet pipe (3) is communicated with the jet pipe (2); the control valve (7) is arranged on the liquid inlet pipe (3); the jet pipe (2) is in a Laval jet pipe structure.

3. A filter according to claim 2, characterized in that the cleaning means (9) comprise a cleaning brush (901), a sliding column (902) and an elastic element (903); the cleaning brush (901) is arranged on the sliding column (902); a sliding column (902) is slidably disposed on the drive assembly; the elastic piece (903) is arranged on the outer periphery side of the cleaning brush (901), and two ends of the elastic piece (903) are respectively connected with the cleaning brush (901) and the driving mechanism.

4. A filter according to claim 3, characterized in that the drive mechanism comprises a turret (10), a rotation shaft (11) and an impeller (12); the rotating shaft (11) is rotatably arranged in the shell (1), and the upper end of the rotating shaft (11) is positioned in the jet pipe (2); the impeller (12) is arranged at the upper end of the rotating shaft (11), and the impeller (12) is positioned in the jet pipe (2); the rotating frame (10) is arranged on the rotating shaft (11); the sliding column (902) is arranged on the rotating frame (10) in a sliding way, and one end, far away from the cleaning brush (901), of the sliding column (902) is clamped with the rotating frame (10); the elastic member (903) is in contact with the turret (10).

5. A filter according to claim 1, characterized in that the drain pipe (6) is of funnel-shaped construction; the control valve (7) is arranged at the lower end of the blow-down pipe (6).

6. A filter according to claim 1, characterized in that the upper end of the housing (1) is provided with a water inlet pipe (4); the water inlet pipe (4) is provided with a control valve (7).