CN217661934U - Energy-saving vacuum filter cloth filter - Google Patents

Abstract

The utility model relates to an energy-saving vacuum filter cloth filter, including the cistern, be equipped with inlet pipe and sludge discharge pipe on the cistern, the horizontal center tube of having arranged of cistern, install one or more filter discs on the center tube, the filter disc covers outward there is the filter cloth, the center tube is by motor drive, the tip of center tube is equipped with outside the fluid-discharge tube extends the cistern, still be equipped with the scraper in the cistern, the filter cloth filter is still including washing the mechanism, install the sludge discharge pump on the sludge discharge pipe. The utility model discloses can regularly clear up the filter cloth, ensure that the filter cloth can keep certain patency, set up dredge pump initiative mud discharging simultaneously, effectively avoided the operation that the jam leads to not smooth, greatly reduced the energy consumption.

Description

Energy-saving vacuum filter cloth filter

Technical Field

The utility model belongs to the technical field of filtration equipment, in particular to energy-saving vacuum filter cloth filter.

Background

A vacuum filter is a device which takes vacuum negative pressure as driving force to realize solid-liquid separation. Structurally, the filtering sections are arranged along the horizontal length direction, so that the filtering operation can be continuously completed, and the device has the advantages of high filtering efficiency and good solid-liquid separation effect. The filter cloth type vacuum filter is a common vacuum filter, and comprises a vacuum liquid tank, wherein a central pipe is arranged in the tank, one or more filter discs are arranged outside the central pipe, filter cloth is arranged outside the filter discs for filtering, the central pipe is connected with a liquid discharge pipe, under the action of negative pressure, slurry in the liquid tank is filtered by the filter cloth, and clear liquid enters the filter discs and is discharged by the central pipe through the liquid discharge pipe; the solid phase filtered out is left in the liquid tank and is settled to the bottom of the liquid tank. The filter cloth type vacuum filter can be widely applied to solid-liquid separation in the fields of metallurgy, mines, chemical industry, papermaking, food, pharmacy, environmental protection and the like.

Present strain cloth formula vacuum filter has configured the scraper for strike off the solid phase material of adhesion on the filter cloth, but be difficult to strike off totally, can lead to needing to increase the operation that negative pressure volume realized the filter because of the jam of filter cloth during the use, the energy consumption is great.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to an at least technical problem who exists among the prior art, provide an energy-saving vacuum filter cloth filter, can regularly clear up the filter cloth, ensure that the filter cloth can keep certain patency, set up dredge pump initiative row mud simultaneously, effectively avoided the operation that the jam leads to not smooth, greatly reduced the energy consumption.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an energy-saving vacuum filter cloth filter comprises a liquid tank, wherein a feeding pipe and a sludge discharge pipe are arranged on the liquid tank, a central pipe is horizontally arranged in the liquid tank, one or more filter discs are mounted on the central pipe, filter cloth is covered outside the filter discs, the central pipe is driven by a motor, a liquid discharge pipe is arranged at the end part of the central pipe and extends out of the liquid tank, a scraper is further arranged in the liquid tank, the filter cloth filter further comprises a flushing mechanism, the flushing mechanism comprises a flushing main pipe and a plurality of flushing pipes, the flushing main pipe extends into the liquid tank and is arranged at the top of the liquid tank, the flushing main pipe is connected with the flushing main pipe and communicated with the flushing main pipe, the flushing pipe is arranged in a mode that one filter disc is clamped by two flushing pipes, one side, opposite to the filter discs, of the flushing pipe is provided with a plurality of flushing nozzles which are uniformly distributed, and used for spraying the filter cloth, and the flushing main pipe is connected with a flushing water source; and a sludge discharge pump is arranged on the sludge discharge pipe.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a booster pump is arranged on the flushing main pipe.

Further, be provided with sealed transmission case in the cistern, the input of transmission case and the output shaft of motor, the output of transmission case is connected with the pivot of center tube.

Preferably, the rotating shaft of the central tube is connected with the output end of the transmission case through a sealing bearing, the other end of the central tube is connected with the groove wall of the liquid groove through the sealing bearing, and the sealing bearing is a sealing ball bearing.

Furthermore, a back washing mechanism is arranged in the filter disc.

Preferably, the backwashing mechanism comprises a main backwashing pipe extending into the central pipe and a plurality of backwashing pipes, the backwashing pipes are connected and communicated with the main backwashing pipe, nozzles for washing filter cloth are arranged on the backwashing pipes, and the main backwashing pipe is connected with a washing water source.

Preferably, the back-flushing pipes are arranged in each filter disc in a mode that two back-flushing pipes are opposite to the filter cloth on two sides.

More preferably, a booster pump is arranged on the backwash main pipe.

The beneficial effects of the utility model are that: the utility model is provided with the flushing pipe, and the flushing pipe is opened at regular time to flush the surface of the filter cloth, thereby effectively avoiding blockage caused by incapability of scraping solid-phase adhesion and effectively reducing the energy consumption for pumping negative pressure; after the flushing pipe is arranged, the utility model effectively reduces the running resistance when the scraper contacts with the filter cloth, and effectively reduces the energy consumption of the motor; the utility model discloses having add the dredge pump, can regularly initiatively arrange mud, avoided the sludge deposit and the filter disc that leads to rotates not smoothly, further reduced the energy consumption of motor.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a filter disc according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of another embodiment of a filter disc according to the present invention;

FIG. 4 is a schematic view of a flush tube according to an embodiment of the present invention;

in the figure: 1. liquid tank, 2, central pipe, 21, liquid discharge hole, 3, filter disc, 4, motor, 5, transmission case, 6, sealed bearing, 7, feeding pipe, 8, liquid discharge pipe, 9, sludge discharge pipe, 10, sludge discharge pump, 11, flushing main pipe, 12, booster pump, 13, flushing pipe, 14, flushing nozzle, 15, scraper, 16, backwashing main pipe, 17 and backwashing pipe.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 4, the utility model relates to an embodiment's an energy-saving vacuum filter cloth filter, including cistern 1, be equipped with inlet pipe 7 and sludge discharge pipe 9 on cistern 1, horizontal in cistern 1 has arranged center tube 2, install one or more filter discs 3 on the center tube 2, filter disc 3 covers outward has the filter cloth, center tube 2 is driven by motor 4, the tip of center tube 2 is equipped with fluid-discharge tube 8 and extends outside cistern 1, still be equipped with scraper 15 in cistern 1 for strike off the solid phase material on filter cloth surface. The filter disc 3 is of an annular support structure, and the filter disc 3 is communicated with the central pipe 2 through a liquid discharge hole 21. The structure of the filter cloth type vacuum filter is similar to that of the existing filter cloth type vacuum filter.

The filter cloth filter of the embodiment further comprises a flushing mechanism, the flushing mechanism comprises a main flushing pipe 11 extending into the liquid tank 1 and arranged at the top of the liquid tank 1, and a plurality of flushing pipes 13, and the flushing pipes 13 are connected and communicated with the main flushing pipe 11. The flushing pipes 13 are arranged in a manner that one filter disc 3 is sandwiched by two flushing pipes 13, and one side of the flushing pipes 13, which is opposite to the filter disc 3, is provided with a plurality of uniformly distributed flushing nozzles 14 for spraying and washing filter cloth. Such a construction allows flushing of the filter cloth on both sides of the filter discs 3. The main flushing pipe 11 is connected with a flushing water source. After the washing mechanism is arranged, the surface of the filter cloth can be regularly washed, and the regular washing can be realized only by regularly opening the washing mechanism. Therefore, the filter cloth blockage caused by the fact that solid-phase substances are adhered to the surface of the filter cloth and are difficult to scrape can be avoided. The flushing mechanism is matched with the scraper 15, so that filter cloth can be effectively cleaned, and blockage is avoided.

And a sludge pump 10 is arranged on the sludge discharge pipe 9. After the sludge discharge pump 10 is arranged, sludge can be actively discharged in a timing opening mode, and deposited slurry is prevented from blocking the rotation of the filter disc 3, so that the energy consumption of the motor 4 is increased.

In the above embodiment, the present invention can be further modified as follows. In a modified scheme, a booster pump 12 is arranged on the flushing main pipe 11.

After the booster pump 12 is adopted for boosting, the flushing effect can be effectively improved.

In the above embodiment, the present invention can be further modified as follows. In the improvement scheme, be provided with sealed transmission case 5 in the cistern 1, the input of transmission case 5 and the output shaft of motor 4 are connected, the output of transmission case 5 is connected with the pivot of center tube 2.

After the transmission case 5 is arranged, the transmission mode can be optimized, and the energy consumption loss caused by transmission is reduced.

In the above embodiment, the present invention can be further modified as follows. In the improvement scheme, the rotating shaft of the central tube 2 is connected with the output end of the transmission case 5 through a sealing bearing 6, the other end of the central tube 2 is connected with the groove wall of the liquid tank 1 through the sealing bearing 6, and the sealing bearing 6 adopts a sealing ball bearing.

And the ball bearing is adopted, so that the abrasion can be effectively reduced, and the energy consumption is reduced.

As shown in fig. 3, the present invention has another embodiment, which is similar to the first embodiment in structure, except that a back-washing mechanism is added.

In this embodiment, a back-washing mechanism is further disposed in the filter disc 3.

The back flushing mechanism is additionally arranged in the filter disc 3, so that solid-phase substances which are adhered to the filter cloth and cannot be cleaned can be effectively removed through back flushing, and the permeability of the filter cloth is further ensured.

In the above embodiment, the present invention can be further modified as follows. In a modified scheme, the backwashing mechanism can adopt the following structure: the back washing mechanism comprises a back washing main pipe 16 extending into the central pipe 2 and a plurality of back washing pipes 17, the back washing pipes 17 are connected and communicated with the back washing main pipe 16, spray heads for washing filter cloth are arranged on the back washing pipes 17, and the back washing main pipe 16 is connected with a washing water source.

By adopting the structure, the backwashing mechanism and the flushing mechanism can share a water source, and the main backwashing pipe 16 can be directly connected with the main flushing pipe 11, so that water pressure can be directly provided for backwashing through flushing pressure, and energy consumption is effectively reduced.

In the above-described modification, the present invention can be further preferably modified as follows. In a preferred improvement, the back-flushing pipes 17 are arranged in two in each filter disc 3, and the two back-flushing pipes 17 are arranged in a manner of facing the filter cloth on two sides.

Such structural design can greatly promote the back flush effect.

In the above-described modification, the present invention can be further preferably modified as follows. In a preferred modification, the main backwash pipe 16 is provided with a booster pump 12.

This scheme can with wash and be responsible for 11 sharing a booster pump 12, set up behind the booster pump 12 pressure boost, the back flush effect is better.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. An energy-saving vacuum filter cloth filter comprises a liquid tank (1), wherein a feeding pipe (7) and a sludge discharge pipe (9) are arranged on the liquid tank (1), a central pipe (2) is horizontally arranged in the liquid tank (1), one or more filter discs (3) are installed on the central pipe (2), filter cloth is covered outside the filter discs (3), the central pipe (2) is driven by a motor (4), a liquid discharge pipe (8) is arranged at the end part of the central pipe (2) and extends out of the liquid tank (1), a scraper (15) is further arranged in the liquid tank (1), the energy-saving vacuum filter cloth filter is characterized by further comprising a flushing mechanism, the flushing mechanism comprises a flushing main pipe (11) extending into the liquid tank (1) and arranged at the top of the liquid tank (1) and a plurality of flushing pipes (13), the flushing pipes (13) are connected and communicated with the flushing main pipe (11), the flushing pipes (13) are arranged in a manner that one filter disc (3) is sandwiched by the two flushing pipes (13), and a plurality of uniformly distributed filter cloth nozzles (14) are arranged on one side of the flushing pipe (13) and used for flushing water source; and a sludge pump (10) is arranged on the sludge discharge pipe (9).

2. An energy-saving vacuum filter cloth filter as claimed in claim 1, wherein: the flushing main pipe (11) is provided with a booster pump (12).

3. An energy-saving vacuum filter cloth filter as claimed in claim 1, wherein: a sealed transmission case (5) is arranged in the liquid tank (1), the input end of the transmission case (5) is connected with the output shaft of the motor (4), and the output end of the transmission case (5) is connected with the rotating shaft of the central pipe (2).

4. An energy-saving vacuum filter cloth filter as claimed in claim 3, wherein: the rotating shaft of the central tube (2) is connected with the output end of the transmission case (5) through a sealing bearing (6), the other end of the central tube (2) is connected with the groove wall of the liquid groove (1) through the sealing bearing (6), and the sealing bearing (6) adopts a sealing ball bearing.

5. An energy-saving vacuum filter cloth filter according to claim 1, wherein: a back washing mechanism is also arranged in the filter disc (3).

6. An energy-saving vacuum filter cloth filter as claimed in claim 5, wherein: the backwashing mechanism comprises a backwashing main pipe (16) extending into the central pipe (2) and a plurality of backwashing pipes (17), wherein the backwashing pipes (17) are connected and communicated with the backwashing main pipe (16), the backwashing pipes (17) are provided with spray heads for washing filter cloth, and the backwashing main pipe (16) is connected with a washing water source.

7. An energy-saving vacuum filter cloth filter as claimed in claim 6, wherein: the back-flushing pipes (17) are arranged in each filter disc (3) in a mode that the two back-flushing pipes (17) are over against the filter cloth on the two sides.

8. An energy-saving vacuum filter cloth filter as claimed in claim 6, wherein: the back washing main pipe (16) is provided with a booster pump (12).

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