CN114832454A - Multilayer countercurrent unconstrained fiber bundle filter and filtering method - Google Patents

Abstract

The invention discloses a multilayer countercurrent unconstrained fiber bundle filter, which comprises a tank body and a water outlet positioned at the top end of the tank body, wherein the bottom end of the tank body is provided with a water inlet, a first porous partition plate, a second porous partition plate and a third porous partition plate are sequentially arranged in the tank body from top to bottom, a first filter material layer is arranged in the tank body and between the first porous partition plate and the second porous partition plate, and a second filter material layer is arranged in the tank body and between the second porous partition plate and the third porous partition plate. Has the advantages that: from bottom to top, one layer to multilayer filter material, the filter material is from thick to thin, forms gradual fine filtration. The counter-flow filtration raw water enters from the bottom and goes out from the top, the filter material is supported by the inlet water and is compacted, the filtration precision is improved, the filtered dirt is easy to clean, the running filtration resistance is small, the power consumption is reduced, the filtration effect is recovered after washing, the washing water is the raw water and returns to the sedimentation tank, the washing water does not consume water, the pipeline valves and the like in equipment and equipment at all levels are simplified, and the cost of the equipment is also reduced.

Description

Multilayer countercurrent unconstrained fiber bundle filter and filtering method

Technical Field

The invention relates to the technical field of an unconstrained fiber bundle filter, in particular to a multilayer countercurrent unconstrained fiber bundle filter and a filtering method.

Background

The fiber filter is a commonly used filter in the water treatment process, and when the fiber filter is used for filtering, the fiber bundles in the filter are required to be in a close packing state so as to achieve a good filtering effect; during back flushing, the fiber bundles are required to be in a loose state so as to ensure that sewage is flushed. The existing restraint fiber bundle filter has the disadvantages of complex structure, single filter material, further improved filter precision, high manufacturing cost and difficult cleaning after dirt blockage, thereby shortening the service life of the filter and increasing the operation and maintenance cost of the unrestrained fiber bundle filter.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The present invention provides a multilayer countercurrent unconstrained fiber bundle filter and a filtering method thereof, which are directed to the problems in the related art, so as to overcome the above technical problems in the related art.

Therefore, the invention adopts the following specific technical scheme:

in accordance with another aspect of the present invention, a multilayer countercurrent unconstrained fiber bundle filter is provided.

The multilayer countercurrent unconstrained fiber bundle filter comprises a tank body and a water outlet formed in the top end of the tank body, wherein a water inlet is formed in the bottom end of the tank body, a first porous partition plate, a second porous partition plate and a third porous partition plate are sequentially arranged in the tank body from top to bottom, a first filter material layer is arranged between the first porous partition plate and the second porous partition plate, and a second filter material layer is arranged between the second porous partition plate and the third porous partition plate.

Preferably, stainless steel metal meshes are arranged in the first porous partition plate, the second porous partition plate and the third porous partition plate.

Preferably, one side of the tank body is provided with symmetrically arranged hand holes.

According to another aspect of the present invention, a method of filtering a multilayer countercurrent unconstrained fiber bundle filter is provided. For the multilayer countercurrent unconstrained fiber bundle filter.

The filtering method of the multilayer countercurrent unconstrained fiber bundle filter comprises the following steps;

raw water to be filtered enters from a water inlet of the tank body and is discharged from a water outlet, and the first filter material layer and the second filter material layer are in a suspension state under the impact of water flow;

because the water flow direction is from bottom to top, the filter material is uniformly compressed from bottom to top until the filter material is dense at the top and sparse at the bottom, and dirt particles are gradually intercepted from large to small and from bottom to top;

when the water resistance is increased to a certain degree and the cleaning is needed, simultaneously feeding a mixture of air and water from the water inlet, and scrubbing the filter material layer I and the filter material layer II by the air and water;

the filtered dirt and suspended matters are discharged from the upper water outlet, and the filtering function can be recovered after the dirt and suspended matters are washed clean.

Preferably, the first filter material layer and the second filter material layer are separated by a porous partition plate, and the layers can be arranged according to requirements from two layers to multiple layers.

Preferably, the fineness of the filter material layer I and the filter material layer II and the filtering precision can be selected according to the raw water pollution degree.

The invention has the beneficial effects that: the filter material of multilayer different precision is from thick to thin, reach the filtered effect of the high precision, the raw water of the countercurrent filtration is from entering from lower, the upper water outlet, the filter material is supported by the water inlet and pressed densely, improve the filtered precision, the filth filtered is easy to wash, the filtration resistance of operation is small, reduce the power consumption, the conventional filter ratio of the same capacity, the volume and occupation area are greatly reduced, save the space of the occupation area, the filtration flux is large, wash and resume the filtering effect promptly, the washing water is the raw water, the washing water returns to the sedimentation tank, wash and consume no water, when needing high-precision filtration before, need the multi-stage filter to connect in series the operation and adopt the invention, the first grade can reach the high-precision filtration, simplify the pipeline valve in apparatus and each grade apparatus, etc., have reduced the cost of the apparatus too.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a multilayer countercurrent unconstrained fiber bundle filter according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a first porous partition of a multilayer countercurrent unconstrained fiber bundle filter according to an embodiment of the invention;

FIG. 3 is a top view of a first porous partition in a multi-layer countercurrent unconstrained fiber bundle filter according to an embodiment of the present invention;

FIG. 4 is a top view of a stainless steel wire mesh in a multi-layer countercurrent unconstrained fiber bundle filter according to an embodiment of the present invention;

FIG. 5 is a flow chart of the steps of a method for filtering a multi-layer countercurrent unconstrained fiber bundle filter in accordance with an embodiment of the present invention.

In the figure:

1. a tank body; 2. a water outlet; 3. a water inlet; 4. a first porous separator; 5. a second porous separator; 6. a porous partition plate III; 7. a first filter material layer; 8. a second filter material layer; 9. a stainless steel metal mesh; 10. and (4) hand hole.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to embodiments of the present invention, a multilayer countercurrent unconstrained fiber bundle filter and method of filtering is provided.

The first embodiment;

as shown in fig. 1 to 4, the multilayer countercurrent unconstrained fiber bundle filter according to the embodiment of the present invention includes a tank body 1 and a water outlet 2 located at the top end of the tank body 1, a water inlet 3 is provided at the bottom end of the tank body 1, a first porous partition plate 4, a second porous partition plate 5, and a third porous partition plate 6 are sequentially provided in the tank body 1 from top to bottom, a first filter material layer 7 is provided in the tank body 1 and between the first porous partition plate 4 and the second porous partition plate 5, a second filter material layer 8 is provided in the tank body 1 and between the second porous partition plate 5 and the third porous partition plate 6, stainless steel metal meshes 9 are provided in the first porous partition plate 4, the second porous partition plate 5, and the third porous partition plate 6, and one side of the tank body 1 is provided with hand holes 10 symmetrically provided.

Example two;

as shown in fig. 5, a filtering method of a multilayer countercurrent unconstrained fiber bundle filter is provided, which is used for the multilayer countercurrent unconstrained fiber bundle filter and comprises the following steps;

s101, raw water to be filtered enters from a water inlet 3 of a tank body 1 and is discharged from a water outlet 2, and a first filter material layer 7 and a second filter material layer 8 are in a suspension state under the impact of water flow;

s103, because the water flow direction is from bottom to top, the filter material is uniformly compressed from bottom to top until the filter material is dense at the top and sparse at the bottom, and dirt particles are gradually intercepted from large to small and from bottom to top;

s105, when the water resistance is increased to a certain degree and the sewage is required to be cleaned, simultaneously feeding a mixture of air and water from the water inlet 3, and scrubbing the filter material layer I7 and the filter material layer II 8 by using the air and the water;

and S107, discharging the filtered dirt and suspended matters from the upper water outlet, and recovering the filtering function after the dirt and suspended matters are washed clean.

In summary, according to the above technical scheme of the present invention, multiple layers of filter materials with different precisions are from coarse to fine, so as to achieve a high precision filtering effect, the countercurrent filtering raw water is from bottom to top, and the filter materials are supported by the water inlet and compacted, so as to improve the filtering precision, so that the filtered dirt is easy to clean, the operation filtering resistance is small, the power consumption is reduced, the volume and the occupied area of the conventional filter with the same capacity are greatly reduced, the occupied space is saved, the filtering flux is large, the filtering effect is recovered after flushing, namely the flushing water is the raw water, the flushing water returns to the sedimentation tank, the flushing water does not consume water, when the high precision filtering is required in the past, a plurality of stages of filters are required to be operated in series, and after the present invention, the high precision filtering can be achieved by one stage, the pipeline valves and the like in the equipment and the equipment at each stage are simplified, and the cost of the equipment is also reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. The utility model provides a multilayer is unrestrained tow filter against current, its characterized in that, including a jar body (1) and being located delivery port (2) on jar body (1) top, the bottom of jar body (1) is equipped with water inlet (3), top-down is equipped with porous baffle (4), porous baffle two (5) and porous baffle three (6) in proper order in jar body (1), just be located in jar body (1) porous baffle one (4) with be equipped with between porous baffle two (5) and strain bed one (7), just be located in jar body (1) porous baffle two (5) with be equipped with between porous baffle three (6) and strain bed two (8).

2. The multi-layer countercurrent unconstrained fiber bundle filter of claim 1, wherein stainless steel wire mesh (9) is disposed within said first porous separator plate (4) and said second porous separator plate (5) and said third porous separator plate (6).

3. A multi-layer countercurrent unconstrained fiber bundle filter according to claim 2, characterized in that one side of said tank (1) is provided with symmetrically arranged hand holes (10).

4. A method of filtering a multilayer countercurrent unconstrained fiber bundle filter, for use in a multilayer countercurrent unconstrained fiber bundle filter according to claim 1, comprising the steps of;

raw water to be filtered enters from a water inlet (3) of the tank body (1) and is discharged from a water outlet (2), and a first filter material layer (7) and a second filter material layer (8) are in a suspension state under the impact of water flow;

the water flow direction is from bottom to top, the filter material is uniformly compressed from bottom to top until the filter material is dense at the top and sparse at the bottom, and the dirt particles are gradually intercepted from large to small and from bottom to top;

when the water resistance is increased to a certain degree and the sewage is required to be cleaned, a mixture of air and water is simultaneously fed from the water inlet (3), and the filter material layer I (7) and the filter material layer II (8) are scrubbed by the air and the water;

the filtered dirt and suspended matters are discharged from the upper water outlet, and the filtering function can be recovered after the dirt and suspended matters are washed clean.

5. The method of claim 4, wherein the first filter material layer (7) and the second filter material layer (8) are separated by a porous partition, and the layers are arranged in two to more layers.

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