Folded membrane filter element capable of being backwashed

Abstract

The utility model discloses a folding membrane filter element capable of being backwashed, and particularly relates to the technical field of folding filter elements. The folding membrane filter element capable of being backwashed comprises an outer framework, an upper cover and a base, an inner framework is arranged in the outer framework, a filter membrane is arranged between the inner framework and the outer framework, the filter membrane is in an annular corrugated shape, a plurality of outer supporting pieces are installed on the outer framework, the inner framework is supported on the inner side of the filter membrane, and the upper cover is arranged on the base. The outer supporting piece is supported on the outer side of the filter membrane, and the filter membrane keeps an annular corrugated shape under the combined action of the inner framework and the outer supporting piece. According to the folding membrane filter element capable of being backwashed, through the combined action of the inner framework and the outer supporting piece, the filter membrane is kept in an annular corrugated shape, a certain angle is kept between every two adjacent folding layers, and contact is avoided, so that water flow can fully impact on the folding layers in the backwashing process, and the washing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a folding filter core technical field especially relates to a folding membrane filter core of backflushing. BACKGROUND

[0002] Folding filter core, also known as microporous folding filter core, is a kind of filter core using folding deep filtration structure. By folding filter membrane into corrugated shape, filter area is increased, thereby improving filtration efficiency and pollution capacity. It is a kind of filter material commonly used in industrial filtration. However, after long-term use of filter core, part of impurities will adhere to filter membrane, and backflushing can reduce impurities on filter membrane to provide filtration efficiency.

[0003] However, the folding state of filter membrane of traditional folding filter core is crowded inside and loose outside, the inner filter membrane folding layer contacts the next folding layer, and there is a certain distance between the outer folding layers, which generally do not contact. Thus, when backflushing, water flows from the inside to the outside of filter core, and since the inner folding layers contact each other, it is difficult for water in filter core to effectively flush filter membrane comprehensively, thereby reducing the effect of backflushing.

[0004] Therefore, it is necessary to provide a folding membrane filter core of backflushing to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] In view of the above situation, to overcome the defects of prior art, the utility model provides a folding membrane filter core of backflushing, which is jointly acted on by inner framework and outer support, filter membrane maintains annular corrugated shape, and adjacent folding layers maintain a certain angle to avoid contact, so that water flow can fully impact on folding layers when backflushing, and flushing effect is improved.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The folding membrane filter core of backflushing comprises an outer framework, an upper cover and a base, the outer framework is internally provided with an inner framework, the inner framework and the outer framework are provided with a filter membrane therebetween, the filter membrane is in annular corrugated shape, a plurality of outer supports are installed on the outer framework, the inner framework is supported on the inner side of filter membrane, the outer supports are supported on the outer side of filter membrane, filter membrane maintains annular corrugated shape under the joint action of inner framework and outer support, and adjacent folding layers maintain a certain angle under the action of inner framework and outer support, so that water flow can impact on folding layers when backflushing, and flushing effect is improved.

[0008] Preferably, the inner framework is composed of a plurality of arc-shaped plates and a plurality of long V-shaped plates, the plurality of arc-shaped plates and the plurality of long V-shaped plates are arranged in a ring array, and the plurality of arc-shaped plates and the plurality of long V-shaped plates are integrally formed, the long V-shaped plate is used for the filter membrane, the filter membrane is kept in a corrugated shape, water outlet holes are formed on both sides of the long V-shaped plate, and water filtered by the filter membrane flows into the inner framework through the water outlet holes.

[0009] Preferably, the outer framework comprises a mounting cylinder, a plurality of long strip-shaped holes are arranged in a ring shape on the mounting cylinder, and clamping grooves are formed at the top and bottom of the long strip-shaped holes; when the outer support is mounted, the outer support needs to be inserted into the long strip-shaped hole, and the long strip-shaped hole not only serves as a water flow channel, but also serves as a channel for mounting and dismounting the outer support.

[0010] Preferably, the outer support comprises a clamping plate, the clamping grooves at both ends of the clamping plate are matched, a connecting plate is fixedly installed on one side of the clamping plate, a short V-shaped plate is fixedly installed at an end of the connecting plate away from the clamping plate, the length of the short V-shaped plate is shorter than that of the long V-shaped plate, the maximum width of the side plates of the short V-shaped plate is smaller than the width of the long strip-shaped hole, and water inlet holes are formed on both sides of the short V-shaped plate.

[0011] Preferably, a plurality of sealing rings are installed on the outer ring of the outer framework, and when the plurality of sealing rings are installed on the outer framework, the sealing rings not only have a sealing effect, but also have a fixing effect on the plurality of outer supports, so that the plurality of outer supports are stably fixed on the outer framework.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) Through the cooperation of the inner framework and the outer support, the filter membrane keeps a ring-shaped corrugated shape, and a certain angle is kept between adjacent folded layers to avoid contact, so that water flow can fully impact on the folded layers during backwashing, and the washing effect is improved.

[0014] (2) The inner framework is composed of a plurality of arc-shaped plates and long V-shaped plates, and the integrally formed design increases the stability of the structure, and the long V-shaped plate is provided with water outlet holes on both sides, so that water flow is facilitated and efficient washing is realized.

[0015] (3) The long strip-shaped hole on the outer framework not only serves as a water flow channel, but also serves as a channel for mounting and dismounting the outer support, so that the filter membrane can be conveniently mounted in the inner framework.

[0016] (4) The outer framework is provided with a plurality of sealing rings on the outer ring, which not only has a sealing effect, but also fixes the outer support, ensures the stability and sealing performance of the entire filter core, and the sealing ring can also fix a plurality of outer supports, thereby simplifying the fixation of the outer support. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure schematic diagram of the foldable membrane filter core provided by the utility model can be back-flushed;

[0018] Figure 2 The internal structure schematic diagram of the foldable membrane filter core provided by the utility model can be back-flushed;

[0019] Figure 3 The top view sectional structure schematic diagram of the foldable membrane filter core provided by the utility model can be back-flushed;

[0020] Figure 4 The Figure 3 The enlarged view of A part in the figure;

[0021] Figure 5 The Figure 2 The exploded schematic diagram of the foldable membrane filter core provided by the utility model can be back-flushed;

[0022] Figure 6 The Figure 1 The structure schematic diagram of the inner framework in the foldable membrane filter core provided by the utility model can be back-flushed;

[0023] Figure 7 The Figure 1 The structure schematic diagram of the outer framework in the foldable membrane filter core provided by the utility model can be back-flushed;

[0024] Figure 8 The Figure 1 The structure schematic diagram of the outer support in the foldable membrane filter core provided by the utility model can be back-flushed.

[0025] Wherein, the name corresponding to the reference sign is: 1-outer framework, 2-upper cover, 3-bottom seat, 4-inner framework, 41-arc plate, 42-long V-shaped plate, 43-water outlet hole, 5-filter membrane, 6-outer support, 61-clamping plate, 62-connecting plate, 63-short V-shaped plate, 64-water inlet hole, 7-sealing ring. DETAILED DESCRIPTION

[0026] The utility model will be further explained in combination with the drawings and examples, and the mode of the utility model includes but is not limited to the following examples.

[0027] Example 1

[0028] As Figures 1-8As shown in the utility model provides a backflushable folding membrane filter element, including: outer skeleton 1, upper cover 2 and base 3, the inside of outer skeleton 1 is provided with inner skeleton 4, the inner skeleton 4 with the outer skeleton 1 between being provided with filter membrane 5, filter membrane 5 is annular corrugated shape, a plurality of outer support 6 is installed on outer skeleton 1, the inner skeleton 4 is supported in filter membrane 5 inboard, the outer support 6 is supported in filter membrane 5 outboard, filter membrane 5 keeps annular corrugated shape under the joint action of inner skeleton 4 and outer support 6, and filter membrane 5 under the action of inner skeleton 4 and outer support 6, adjacent folding layer between all keep certain angle, will not appear contact situation, this makes in backflush, water flow can impact on folding layer, to improve washing effect.

[0029] Example 2

[0030] As Figure 6 Shown, the inner skeleton 4 is by a plurality of arc-shaped plate 41 and a plurality of long V-shaped plate 42, a plurality of arc-shaped plate 41 and a plurality of long V-shaped plate 42 all are annular array distribution, a plurality of arc-shaped plate 41 and a plurality of long V-shaped plate 42 are integrally formed, and the long V-shaped plate 42 is used to support filter membrane 5, so that filter membrane 5 keeps corrugated, water outlet hole 43 is formed on both sides of the long V-shaped plate 42, and the water filtered by filter membrane 5 flows to the inside of the inner skeleton 4 through the water outlet hole 43, when backflushing, the water in the inner skeleton 4 can directly impact the filter membrane 5 through the water outlet hole 43, to realize efficient washing of the filter membrane 5.

[0031] Example 3

[0032] As Figure 6 Shown, the outer skeleton 1 includes a mounting cylinder 11, a plurality of annularly distributed long strip-shaped holes 12 are formed on the mounting cylinder 11, the top and bottom of the long strip-shaped hole 12 are provided with clamping grooves 13, when the outer support 6 is installed, the outer support 6 needs to be inserted into the long strip-shaped hole 12, and the long strip-shaped hole 12 not only serves as a water flow channel, but also serves as a channel for installing and dismounting the outer support 6, when installing, the filter membrane 5 is installed first, and then the outer support 6 is installed, so that the filter membrane 5 can be conveniently installed into the inner skeleton 1.

[0033] Further, the outer support 6 includes a clamping plate 61, the clamping grooves 13 at both ends of the clamping plate 61 are matched, a connecting plate 62 is fixedly installed on one side of the clamping plate 61, a short V-shaped plate 63 is fixedly installed on the end of the connecting plate 62 away from the clamping plate 61, the length of the short V-shaped plate 63 is shorter than that of the long V-shaped plate 42, the maximum width of the side plates of the short V-shaped plate 63 is less than the width of the long strip-shaped hole 12, and water inlet holes 64 are formed on both sides of the short V-shaped plate 63, when in use, the side plates of the short V-shaped plate 63 are in contact with the filter membrane 5, and are used to support the filter membrane 5, so that the filter membrane 5 keeps corrugated.

[0034] Further, a plurality of sealing rings 7 are mounted on the outer ring of the exoskeleton 1. When the plurality of sealing rings 7 are mounted on the exoskeleton 1, the sealing rings 7 not only have a sealing effect, but also have a fixing effect on the plurality of outer support members 6, so that the plurality of outer support members 6 are stably fixed on the exoskeleton 1.

Claims

1. A backflushable pleated membrane cartridge characterized by, Include: Exoskeleton (1), upper cover (2) and base (3), the exoskeleton (1) is internally provided with an inner skeleton (4), the inner skeleton (4) and the exoskeleton (1) are provided with filter membrane (5), the filter membrane (5) is annular corrugated shape, the exoskeleton (1) is installed with a plurality of outer support (6), the inner skeleton (4) is supported in the filter membrane (5) inside, the outer support (6) is supported in the filter membrane (5) outside; The inner skeleton (4) is formed by a plurality of arc-shaped plates (41) and a plurality of long V-shaped plates (42), a plurality of the arc-shaped plates (41) and a plurality of long V-shaped plates (42) are annularly arranged, a plurality of the arc-shaped plates (41) and a plurality of long V-shaped plates (42) are integrally formed, the long V-shaped plate (42) is provided with a water outlet hole (43) on both sides of the side plate.

2. A backflushable pleated membrane filter cartridge according to claim 1 wherein, The exoskeleton (1) includes a mounting cylinder (11), a plurality of long strip-shaped holes (12) are arranged in a ring shape on the mounting cylinder (11), and a clamping groove (13) is formed at the top and bottom of the long strip-shaped hole (12).

3. A backflushable pleated membrane filter cartridge according to claim 2 wherein, The outer support (6) includes a clamping plate (61), the clamping groove (13) at both ends of the clamping plate (61) is matched, a connecting plate (62) is fixedly installed on one side of the clamping plate (61), a short V-shaped plate (63) is fixedly installed at one end of the connecting plate (62) away from the clamping plate (61), the length of the short V-shaped plate (63) is shorter than the length of the long V-shaped plate (42), the maximum width of the side plates of the short V-shaped plate (63) is less than the width of the long strip-shaped hole (12), and a water inlet hole (64) is formed on both sides of the short V-shaped plate (63).

4. A backflushable pleated membrane filter cartridge according to claim 1 wherein, A plurality of sealing rings (7) are installed on the outer ring of the exoskeleton (1), and the plurality of sealing rings (7) are used to fix the plurality of outer supports (6) on the exoskeleton (1).

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