CN210751517U - Filter machine - Google Patents

Abstract

The utility model discloses a filter, which belongs to the field of sewage treatment equipment, the filter mainly comprises a control cabinet, a trolley, a back flushing system, a back flushing branch pipe, a filter frame, filter cloth and a water outlet chassis, the filter cloth is tightly attached to two sides of the filter frame and is vertically arranged above the water outlet chassis, the filter frame is combined in an insertion way to form a single filter disc, the filter is convenient to disassemble, clean and replace, the distance between the back flushing branch pipe and the filter cloth can be adjusted by a spring, the use is more convenient, the pipeline is not easy to be abraded, the back flushing branch pipe is connected with a water pump in the back flushing system through a back flushing water collecting pipe, a mud sucking hole is arranged on the back flushing branch pipe, under the action of the water pump, impurities on the filter cloth are flushed out through the mud sucking hole and then discharged through a blow-off pipe, the back flushing system is connected with the trolley, the, can realize even washing, the cleaning performance is better, and the pond space also can obtain make full use of.

Description

Filter machine

Technical Field

The utility model belongs to the sewage treatment device field especially relates to a filter.

Background

At present, the traditional cloth filter is cleaned by using the rotation of a filter disc, and has more underwater rotating parts, easy abrasion and inconvenient maintenance; when the scanning type negative pressure method filter cloth backwashing device scans and cleans filter cloth, the cleaning effect is easy to be inconsistent due to the difference of the inner diameter and the outer edge linear speed of the filter disc; and the circular filter disc is arranged in the rectangular filter tank, occupies a large part of the space of the filter tank, and can not make full use of the space of the filter tank.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a filter has solved the washing of filter frame and has changed the problem, make full use of filtering pond space, improves and washs the filter cloth effect.

In order to solve the technical problem, the utility model discloses a following technical means:

a filter comprises a filter frame arranged in a filter tank, wherein filter cloth is tightly attached to two surfaces of the filter frame and is vertically arranged above a water outlet chassis; the backwashing branch pipes are arranged at intervals with the filter frame, the backwashing branch pipes are connected with a backwashing water collecting pipe, the backwashing water collecting pipe is connected with a backwashing system, the backwashing system is connected with a trolley, and the trolley is driven by a control cabinet; a mud suction hole is formed in the back washing branch pipe; a liquid level detector is arranged in the filter tank and is in signal connection with the control cabinet; still be equipped with blow off pipe A in the filter tank, blow off pipe A is connected with water pump B, and water pump B is connected with blow off pipe B, and water pump B still is connected with motor three.

Furthermore, the filter frame is formed into a single filter disc by inserting multiple groups of filter frames.

Furthermore, a support is arranged on the back washing branch pipe, one end of the adjustable spring is connected to the support, and the other end of the adjustable spring is connected with the filter frame.

Furthermore, a water pump A is arranged in the backwashing system, the water pump A is connected with a backwashing water collecting pipe, and the water pump A is also connected with a motor I.

Furthermore, a vertical rod is fixed at one end of the trolley, a control cabinet is installed on the vertical rod, and the other end of the vertical rod extends upwards to be connected with a suspension cable.

Furthermore, a second motor and a travel switch are arranged on the trolley, and travel switch baffles are arranged at two ends of a walking area of the trolley.

Furthermore, the water outlet chassis is a hollow device, the upper end face of the water outlet chassis is provided with a bolt, and the lower end face of the water outlet chassis is provided with a levelness adjusting device.

Furthermore, the water outlet chassis is connected with a water collecting pipe, and the water collecting pipe is connected with a wall penetrating pipe.

The utility model discloses following beneficial effect has:

compared with the prior art, when the liquid level reachs when washing the liquid level in the filtering pond, the utility model provides a dolly can drive back flush system and do reciprocating type walking, start the water pump simultaneously, realize that back flush branch pipe reciprocates the filter cloth and wash, blow off pipe discharge with impurity on the filter cloth and through the filtering pond bottom, utilize back flush branch pipe to scan the filter cloth and wash, when having avoided the tradition to wash structure well disc rotation, the linear velocity difference problem that its internal diameter and outer fringe exist, the cleaning performance is better, make the pond space obtain make full use of, distance between back flush branch pipe and the filter cloth can be adjusted through the spring, it is more convenient to use, and be difficult for causing wearing and tearing to the pipeline, and the filter frame of bayonet combination, the convenient dismantlement is washd and is changed.

Drawings

Fig. 1 is a main view of the filter of the present invention;

FIG. 2 is a schematic structural view of the water outlet chassis adjusting device of the present invention;

FIG. 3 is a left side view of the filter of the present invention;

fig. 4 is a schematic view of the back washing branch pipe structure of the present invention.

In the figure: 1-hanging a cable; 2-a trolley; 3-a backwashing system; 4-a filter frame; 5-filtering cloth; 6-a control cabinet; 7-water outlet chassis; 8-a filter tank; 9-backwashing branch pipes; 10-an adjustable spring; 11-rinse level; 12-backwashing the water collecting pipe; 13-a sewage draining pipe A; 14-a scaffold; 15 mud sucking holes; 16-a sewage discharge pipe B; 17-water pump A; 18-water pump B; 19-a sewage tank.

Detailed Description

The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.

As shown in figures 1 and 2, the filter mainly comprises a suspension cable 1, a control cabinet 6, a trolley 2, a backwashing system 3, a filter tank 8, filter cloth 5, a filter frame 4 and a water outlet chassis 7. The water outlet chassis 7 is arranged at the bottom of the filter 8, and a liquid level detector in signal connection with the control cabinet 6 is arranged in the filter 8 and used for detecting the liquid level condition in the filter; the water outlet chassis 7 is connected with a water collecting pipe, and the water collecting pipe is connected with a wall penetrating pipe through a flange and used for discharging filtered water; the water outlet chassis 7 is a hollow device, and a plurality of double-nut levelness adjusting devices are arranged at the lower end of the water outlet chassis to ensure that the water outlet chassis 7 is always kept horizontal; the upper end of the water outlet chassis 7 is provided with a bolt for fixing the filter frame 4.

As shown in figures 1, 3 and 4, a plurality of filter frames 4 are combined in an inserting way to form filter discs, and a plurality of groups of filter discs are arranged in the filter chamber, so that the filter chamber is convenient to clean and replace. The filter frame 4 is vertically arranged on the water outlet base plate 7 through bolts, and filter cloth 5 is tightly attached to two surfaces of the filter frame 4; one end of an adjustable spring 10 is connected with the filter frame 4, and the other end of the adjustable spring is connected with a bracket 14 on the surface of the back washing branch pipe 9, so that the tightness between the back washing branch pipe 9 and the filter cloth 5 can be adjusted; the back washing branch pipe 9 and the filter frame 4 are arranged at intervals, a plurality of mud sucking holes 15 are formed in the back washing branch pipe 9, the back washing branch pipe 9 is connected with the back washing water collecting pipe 12, and the back washing water collecting pipe 12 is connected with the water pump A17 so that impurities on the filter cloth 5 can be sucked out conveniently.

As shown in fig. 1 and 3, a water pump a17 is arranged in a backwashing system 3, a water pump a17 is connected with a motor one, the backwashing system 3 is connected with a trolley 2, a vertical rod is fixed on one end of the trolley 2, a control cabinet 6 is arranged on the vertical rod, the other end of the vertical rod extends upwards and is connected with a suspension cable 1, and the suspension cable 1 supplies power to the whole equipment; the second motor is arranged on the trolley 2, the travel switch is arranged at one end of the trolley 2 and is in signal connection with the control cabinet 6, and the travel switch baffles are arranged at two ends of a walking area of the trolley 2 to ensure that the trolley 2 can realize reciprocating walking, so that the backwashing system 3 can be driven to perform reciprocating scanning cleaning on the filter cloth 5, uniform cleaning can be realized, and the cleaning effect is consistent.

As shown in figure 1, the bottom of the filter tank 8 is also provided with a sewage discharge pipe A13, the sewage discharge pipe A13 is connected with a water pump B18, the water pump B18 is connected with a sewage discharge pipe B16, the water pump B18 is also connected with a motor III, the sewage discharge pipe B16 penetrates through the filter tank 8 and extends into the sewage tank 19, and under the action of the water pump B18, the sewage discharge pipe can discharge flushing sewage and sludge to the sewage tank outside the filter tank.

The working process of the utility model is as follows:

sewage reaching the level II discharge standard flows into the filter 8, enters the inner cavity of the filter frame 4 after being filtered by the filter cloth 5, then flows into the water outlet chassis 7, flows into the water collecting pipe through the water outlet chassis 7, and is finally discharged through the wall penetrating pipe. After long-time filtration, a lot of impurities can be intercepted on the filter cloth 5, so that the water permeability of the filter cloth is poor, the water level in the filter tank can gradually rise during filtration, when the liquid level detector in the filter tank 8 detects that the water level reaches the washing liquid level 11, the liquid level detector sends a signal to the control cabinet 6, and the control cabinet 6 controls the motor II on the trolley 2 to drive the trolley 2 to move; when the trolley 2 moves to the position of the stroke switch baffle at one end, the stroke switch on the trolley 2 sends out an induction signal to the control cabinet 6, the control cabinet 6 controls the motor II to rotate reversely, so that the trolley 2 is driven to move reversely, and the trolley 2 drives the backwashing system 3 to move in a reciprocating mode; meanwhile, the control cabinet 6 controls the first motor to work, the first motor drives the water pump A17 to work, and impurities on the filter cloth 5 are sucked out through the mud suction hole 15 and the suction of the water pump A17; and then, the control cabinet 6 controls the motor III to work, the motor III drives the water pump B18 to work, and the flushing sewage and the sludge are discharged into the sewage tank 19 outside the filter 8 through the sewage pipe A13 and the sewage pipe B16.

The embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and any obvious improvement, replacement or modification which can be made by those skilled in the art without departing from the essence of the present invention belongs to the protection scope of the present invention.

Claims (8)

1. A filter is characterized by comprising a filter frame (4) arranged in a filter tank (8), wherein filter cloth (5) is tightly attached to two surfaces of the filter frame (4) and is vertically arranged above a water outlet base plate (7); the backwashing branch pipes (9) and the filter frame (4) are arranged at intervals, the backwashing branch pipes (9) are connected with a backwashing water collecting pipe (12), the backwashing water collecting pipe (12) is connected with a backwashing system (3), the backwashing system (3) is connected with the trolley (2), and the trolley (2) is driven by a control cabinet (6); a mud suction hole (15) is arranged on the back washing branch pipe (9); a liquid level detector is arranged in the filter tank (8) and is in signal connection with the control cabinet (6); a sewage discharge pipe A (13) is further arranged in the filter tank (8), the sewage discharge pipe A (13) is connected with a water pump B (18), the water pump B (18) is connected with a sewage discharge pipe B (16), and the water pump B (18) is further connected with a motor III.

2. A filter according to claim 1, wherein the filter frame (4) is assembled in groups of plugs to form a single filter sheet.

3. A filter according to claim 1, wherein the backwash branch pipe (9) is provided with a support (14), and one end of the adjustable spring (10) is connected to the support (14) and the other end is connected to the filter frame (4).

4. A filter according to claim 1, wherein a water pump A (17) is arranged in the backwashing system (3), the water pump A (17) is connected with the backwashing water collecting pipe (12), and the water pump A (17) is further connected with a motor I.

5. A filter according to claim 1, wherein a vertical rod is fixed to one end of the trolley (2), a control cabinet (6) is mounted on the vertical rod, and the other end of the vertical rod extends upwards and is connected with the suspension cable (1).

6. A filter according to claim 1 or 5, wherein the trolley (2) is provided with a second motor and a travel switch, and travel switch baffles are arranged at two ends of a walking area of the trolley (2).

7. A filter according to claim 1, wherein the water outlet base plate (7) is a hollow device, and the upper end surface of the water outlet base plate (7) is provided with a bolt, and the lower end surface is provided with a levelness adjusting device.

8. A filter according to claim 1 or 7, wherein the outlet tray (7) is connected to a collector pipe, which is connected to a through-wall pipe.

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