CN206156771U - Filter lamination and laminated filter - Google Patents

Abstract

The utility model provides a filter lamination and laminated filter should filter the lamination and include: the lamination body, it has interior rampart and outer rampart, a plurality of units of bending, a plurality of units of bending connect gradually the setting at the upper surface of lamination body from beginning to end, and the unit of bending has first divider wall and a second divider wall, first divider wall and second divider wall outside rampart department be formed with first import, rampart department is formed with the export including two double -phase neighbours' the unit of bending, first divider wall and second septum are from having offered a plurality of water conservancy diversion passageways on the wall respectively, first import of intercommunication of a plurality of water conservancy diversion passageways and export. The utility model discloses a filter lamination and laminated filter, it is simple to filter lamination, and the filter effect well just has backwash function, and the segmented filter who has this filtration lamination can carry out the accuracy to rivers and filter, and filtration efficiency is high.

Description

Filter lamination and laminated filter

Technical field

The utility model is related to a kind of lamination and filter, more particularly to the mistake in a kind of water filtration technology field Filter lamination and laminated filter.

Background technology

At present, laminated filter is the device for being filtered to the liquid containing impurity, particularly in agricultural filling Field is irrigate, needs to filter the bulky grain thing in water, so as to obtain more pure irrigation water.

Existing laminated filter is made up of parts such as housing, filtration lamination, lamination supports. It is the most important part of laminated filter wherein to filter lamination, and it has very big impact to filter effect, if filtering folded Chip architecture design is unreasonable, and the overall filter effect of equipment is just difficult to ensure that be also just unable to reach is carried out accurately to irrigation water The purpose of filtration.

Filtration lamination of the prior art is complicated, needs higher manufacturing cost, and its backwash effect is poor, is unfavorable for Promote and use.

Therefore, it is necessary to provide a kind of new filtration lamination and the laminated filter with the new filtration lamination, come Overcome drawbacks described above.

Utility model content

The purpose of this utility model be provide it is a kind of filter lamination, its simple structure, good filtration effect and with recoil Wash function.

Another object of the present utility model is to provide a kind of laminated filter, and the filtration lamination in it is simple, mistake Filter effect is good and with backwashing function, and the laminated filter can accurately be filtered to current.

Above-mentioned purpose of the present utility model can be realized using following technical proposal：

The utility model provides a kind of filtration lamination, wherein, the filtration lamination includes：

Lamination body, it has internal ring wall and external annulus；

Multiple bending units, multiple bending unit head and the tail are sequentially connected the upper surface for being arranged on the lamination body, The bending unit has the first divider wall and the second divider wall, and first divider wall and second divider wall are described outer The first import is formed with ring wall, two-by-two the adjacent bending unit is formed with outlet at the internal ring wall, described first Offer multiple flow-guiding channels on divider wall and second divider wall respectively, multiple flow-guiding channel connections described first are entered Mouth and the outlet.

It is as above to filter lamination, wherein, the filtration lamination also includes being fixedly arranged on the lamination body lower surface Multiple bulge loops, the height of the bulge loop is identical with the width of the flow-guiding channel.

It is as above to filter lamination, wherein, first divider wall of each bending unit and described second every The lamination body between wall is provided with multiple first through hole.

It is as above to filter lamination, wherein, set on the lamination body between the adjacent bending unit two-by-two There are multiple second through holes.

It is as above to filter lamination, wherein, the external annulus of first entrance are radially-inwardly recessed and are formed with Outer notch part.

It is as above to filter lamination, wherein, the internal ring wall in the exit is radially outward recessed and is formed with interior lacking Oral area.

It is as above to filter lamination, wherein, the upper surface of the external annulus of first entrance is arranged with first Upper groove；Or, the lower surface of the external annulus of first entrance is arranged with the first low groove.

It is as above to filter lamination, wherein, the upper surface of the internal ring wall in the exit is arranged with the second fovea superior Groove；Or, the lower surface of the internal ring wall in the exit is arranged with the second low groove.

It is as above to filter lamination, wherein, first divider wall of each bending unit and described second every The arc length of the external annulus of the lamination body between wall is W₁, the height of first divider wall and second divider wall Height be H, the area of section S of first import₁Meet equation below：S₁=W₁×H。

It is as above to filter lamination, wherein, two-by-two the lamination body between the adjacent bending unit is interior The arc length of ring wall is W₂, the height of the height of first divider wall and second divider wall is H, the section of the outlet Area S₂Meet equation below：S₂=W₂×H。

It is as above to filter lamination, wherein, the width of the flow-guiding channel is 0.08mm～0.3mm.

It is as above to filter lamination, wherein：Along the circumferential direction it is provided with multiple on the internal ring wall or on the external annulus Locating slot or locating convex block.

The utility model also provides a kind of comprising the laminated filter for filtering lamination as above, wherein, it is described folded Type strainer includes：

Housing, is connected with thereon inlet channel, outlet conduit and Backwash pipeline；

Filter core support, it is arranged in the housing, and multiple mistakes stacked on top of one another are arranged with the filter core support Filter lamination.

Laminated filter as above, wherein, the inlet channel, the outlet conduit and the Backwash pipeline On be respectively equipped with valve, the inlet channel and the Backwash pipeline parallel communication.

The characteristics of filtration lamination of the present utility model and laminated filter and advantage are：

First, filtration lamination of the present utility model, by arranging bending unit, is capable of achieving the multilayer stepping to water and filters, the One entrance is coarse filtration；Flow-guiding channel at bending unit is essence filtration, and bending unit is equivalent to folding filter screen, in multilayer mistake Under filter lamination overlaying state, bigger than the filter area of plain cylindrical form filter screen two to octuple, and the first divider wall and second every Flow-guiding channel on wall, hinge structure improves filter efficiency.Filtration lamination of the present utility model can be to agricultural filling Irrigate and really filtered with crystal, its simple structure, low cost.

2nd, filtration lamination of the present utility model, by the shape for changing the first inlet and outlet, including breach in arranging Portion, outer notch part, upper groove and low groove, increased the area of passage of the first inlet and outlet, improve the efficiency of filtration；Separately Outward, by arranging first through hole and the second through hole on lamination body, each complementarity filtered between lamination is improve, works as list When individual filtration lamination is blocked, water can continue to complete filtration by first through hole and the second through hole.

3rd, laminated filter of the present utility model, the filtration lamination in it is simple, good filtration effect and with anti- Pre-washing function, the laminated filter can accurately be filtered to current, can improve the effect of water filtration, in addition, carrying out During backwash, multiple filtration lamination can be separated from each other, and the clear water sent by Backwash pipeline rapidly can be filtered each Impurity particle on lamination is rinsed well, and its backwash effect is very good.

Description of the drawings

Technical scheme in order to be illustrated more clearly that the utility model embodiment, below will be to needed for embodiment description The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings Obtain other accompanying drawings.

Fig. 1 is with two assembled state schematic diagrames for filtering lamination of the present utility model；

Fig. 2 is the structure schematic diagram of filtration lamination of the present utility model；

Fig. 3 is filtration lamination overlooking the structure diagram of the present utility model；

Fig. 4 is A portions enlarged diagram in Fig. 3；

Fig. 5 is B-B direction sectional view in Fig. 4；

Fig. 6 is the structural representation of the lamination body with the first upper groove and the first low groove；

Fig. 7 is the structural representation of the lamination body with the second upper groove and the second low groove；

Fig. 8 is the structural representation of the utility model laminated filter.

Drawing reference numeral explanation：

1st, housing；2nd, inlet channel；21st, the first inlet valve；22nd, the second inlet valve；23rd, the 3rd inlet valve；3、 Outlet conduit；4th, Backwash pipeline；40th, blow-off line；41st, the first back flush valves；42nd, the second back flush valves；43rd, the 3rd Back flush valves；5th, filter core support；6th, lamination is filtered；61st, lamination body；611st, internal ring wall；612nd, external annulus；613rd, first leads to Hole；614th, the second through hole；62nd, bending unit；621st, the first divider wall；622nd, the second divider wall；63rd, the first import；631st, One gap；64th, export；641st, the second gap；65th, flow-guiding channel；66th, the second import；67th, bulge loop；681st, the outer notch part of broken line； 682nd, notch part in broken line；683rd, the first upper groove；684th, the first low groove；691st, extra curvature notch part；692nd, lack in curve Oral area；693rd, the second upper groove；694th, the second low groove；7th, the first filter element；8th, the second filter element；9th, the 3rd filter single Unit；The height of H, the first divider wall or the second divider wall；The height of h, bulge loop；H ＇, flow-guiding channel width；The width of b, bulge loop； The length of L, the first divider wall or the second divider wall.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.In description of the present utility model, " upper table Face " and " lower surface " are based on the relative position in accompanying drawing, it is only for convenient that structure of the present utility model is described, And be not used to limit location of the utility model in real work.

Embodiment one

As shown in Figures 1 to 7, the utility model provides a kind of filtration lamination 6, and it includes：Lamination body 61, it has interior Ring wall 611 and external annulus 612；Multiple bending units 62, the head and the tail of multiple bending units 62 are sequentially connected and are arranged on lamination body 61 Upper surface, bending unit 62 has the first divider wall 621 and the second divider wall 622, the first divider wall 621 and the second divider wall 622 are formed with the first import 63 at external annulus 612, and bending unit 62 adjacent two-by-two is formed with outlet at internal ring wall 611 64, multiple flow-guiding channels 65 are offered respectively on the first divider wall 621 and the second divider wall 622, multiple flow-guiding channels 65 are connected First import 63 and outlet 64.Multiple bending units 62 are equivalent to folding filter screen, compare the filter area of plain cylindrical form filter screen Increase two and arrive octuple, and the multiple flow-guiding channels 65, Ke Yizeng being arranged on the first divider wall 621 and the second divider wall 622 Plus flow channels quantity, improve filter efficiency.

Specifically, as shown in figure 4, lamination body 61 is a circular plate body, bending unit 62 is opening towards outside annulus The v-shaped structure of side (namely opening is towards external annulus 612), wherein, the apex of the bending unit 62 of v-shaped structure can be provided with seam Gap, it is also possible to be not provided with gap, it is preferable that in the present embodiment, the apex of the bending unit 62 of v-shaped structure is provided with the first seam Gap 631, the width in first gap 631 is less than or equal to 1.5 times of the width h ＇ of flow-guiding channel 65, and bending unit 62 is arranged at The upper surface of lamination body 61, the bending unit 62 of each v-shaped structure joins end to end, bending unit 62 adjacent two-by-two herein " connected " place can be not close connection, or closing connects, it is preferable that in the present embodiment, two-by-two adjacent folding " connected " place of curved unit 62 is provided with the second gap 641, and the width in second gap 641 is less than or equal to the width of flow-guiding channel 65 1.5 times of degree h ＇.Two parts of the bending unit 62 of v-shaped structure are referred to as the first divider wall 621 and the second divider wall 622, The openend of bending unit 62 forms the first import 63 at external annulus 612, and bending unit 62 adjacent two-by-two is in internal ring wall 611 Place is formed with outlet 64.Multiple flow-guiding channels 65 are offered respectively on the first divider wall 621 and the second divider wall 622, at this In embodiment, the width of flow-guiding channel 65 is 0.08mm～0.3mm, and the width of flow-guiding channel 65 and quantity are according to water to be filtered Matter different and determine, to reach the purpose of precise control.The flow-guiding channel 65 is the isolation of the first divider wall of insertion 621 or second The groove of the both sides of wall 622, multiple flow-guiding channels 65 are equally spaced on the first divider wall 621 or the second divider wall 622, The setting of flow-guiding channel 65 has connected the first import 63 and outlet 64.

Water to be filtered can be entered from the first import 63, multiple on the first divider wall 621 and the second divider wall 622 After flow-guiding channel 65, because the particle diameter of the impurity in water is more than the groove width of flow-guiding channel 65, therefore the impurity in water can be by first The divider wall 622 of divider wall 621 and second is intercepted in the V-arrangement opening of each bending unit 62, and current can pass through multiple water conservancy diversion Passage 65 completes the filtration of water from 64 inner ring for flowing into filtration lamination 6 are exported.The utility model is by multiple bending units 62 Arrange, increase the filter area of the filtration lamination 6, the good filtration effect of filtration lamination 6.

Lamination in the utility model, between first divider wall 621 and the second divider wall 622 of each bending unit 62 The arc length of the external annulus 612 of body 61 is W₁, the height of the height of the first divider wall 621 and the second divider wall 622 is H, then The area of section S of the first import 63₁Meet equation below：S₁=W₁×H.Wherein, arc length W₁Mm (millis are with the unit of height H Rice), area of section S₁Unit be mm²(square millimeter).

Further, the arc length of the internal ring wall 611 of the lamination body 61 between adjacent two-by-two bending unit 62 is W₂, the The height of the height of one divider wall 621 and the second divider wall 622 is H, exports 64 area of section S₂Meet equation below：S₂ =W₂×H.Wherein, arc length W₂Mm (millimeter), area of section S are with the unit of height H₂Unit be mm²(square millimeter).

As shown in Figure 2 and Figure 5, in an embodiment of the present utility model, the lower surface of lamination body 61 can set There are multiple bulge loops 67, those bulge loops 67 are arranged concentrically, and the center of those bulge loops 67 is arranged concentrically with the center of lamination body 61, In the present embodiment, the lower surface of lamination body 61 is provided with two concentric bulge loops 67, certainly, in other implementations, The lower surface of lamination body 61 can also be provided with multiple concentric bulge loops 67, and this is not restricted.

As shown in figure 1, in the state of multiple filtration assemblings stacked on top of one another of lamination 6, the meeting of bulge loop 67 of upper level filter lamination 6 It is pressed on lower floor to filter on the bending unit 62 of lamination 6, in actual applications, typically has multi-disc filtration lamination 6 and overlay one Rise, form the cylindric filtration with multiple filtration lamination 6.In operation, can according to the size of discharge to be filtered, To adjust the quantity for filtering lamination 6.

In the utility model, the height of those bulge loops 67 is identical with the width of flow-guiding channel 65, is arranged such, and works as two panels When filtering the setting of the mounted on top of lamination 6, the lamination of the upper surface of bending unit 62 of lamination 6 to upper level filter lamination 6 filters in lower floor Gap between the lower surface of body 61 is determined by the height of bulge loop 67, and the width of the height of bulge loop 67 and flow-guiding channel 65 It is identical, then ensure that above-mentioned gap is consistent with the filtering accuracy of flow-guiding channel 65.

Specifically, the height of bulge loop 67 is h, and its width is b, and diameter small one and large one two concentric raised rings 67 are fixed on folded The lower surface of piece body 61, the height h of bulge loop is identical with the width of flow-guiding channel 65.Fold when multiple filtration laminations 6 are stacked on top of one another When putting together, the bottom of bulge loop 67 of upper level filter lamination 6 can be connected to the top of bending unit 62 that lamination 6 filters in lower floor, this When, between existing between the lower surface of the lamination body 61 on the top of bending unit 62 and upper level filter lamination 6 of lower floor's filtration lamination 6 Gap, the gap is defined as the second import 66, and the height of second import 66 is equal to the height h of bulge loop 67, and water to be filtered passes through Outlet 64 can be flowed into by the second import 66 after first import 63, thus, flow-guiding channel 65 is highly second import of h with this 66 become water stream channel simultaneously so that filter the area increase of circulation, and filter efficiency is greatly improved.

In the case where the lower surface of lamination body 61 is provided with n bulge loop 67, the first import 63 from lower floor (that is, filter The following table of external annulus 612 of the lamination body 61 of the upper surface of external annulus 612 of the lamination body 61 of lamination 6 to upper level filter lamination 6 Between face formed region) area of section be defined as S_1a, outlet 64 (that is, the lamination body 61 of lamination 6 is filtered from lower floor The region formed between the lower surface of internal ring wall 611 of the lamination body 61 of the upper surface of internal ring wall 611 to upper level filter lamination 6) Area of section is defined as S_2a, the area of section of the second import 66 is defined as P, on the first divider wall 621 or the second divider wall 622 The area of section of all flow-guiding channels 65 is defined as G, and area of section P's and area of section G and is defined as area of passage S_3a。

The then area of section S of above-mentioned first import 63_1aComputing formula it is as follows：

S_1a=W_1a×(H+h)······(1)

In formula (1), W_1aFor folding between first divider wall 621 and the second divider wall 622 of each bending unit 62 The arc length of the external annulus 612 of piece body 61, H is the height of the height of the first divider wall 621 or the second divider wall 622, and h is bulge loop 67 height.Wherein, the area of section S of the first import 63_1aUnit be mm²(square millimeter), arc length W_1a, height H and height h Unit be mm (millimeter)；

The area of section S of above-mentioned outlet 64_2aComputing formula it is as follows：

S_2a=W_2a×(H+h)······(2)

In formula (2), W_2aFor the arc of the internal ring wall 611 of the lamination body 61 between bending unit 62 adjacent two-by-two Long, H is the height of the height of the first divider wall 621 or the second divider wall 622, and h is the height of bulge loop 67.Wherein, 64 are exported Area of section S_2aUnit be mm²(square millimeter), arc length W_2a, height H and height h unit be mm (millimeter)；

The area of section P of above-mentioned second import 66 and the first divider wall 621 or all water conservancy diversion on the second divider wall 622 lead to The area of passage S of the area of section G sums in road 65_3aComputing formula it is as follows：

S_3a=P+G (3)

Wherein, P=h × (L-n × b) (4)

G=N × H × h ＇ (5)

In formula (4), L is the length of the first divider wall 621 or the second divider wall 622, and h is the height of bulge loop 67, and n is The number of bulge loop 67, b is the width of bulge loop 67.

In formula (5), N is the quantity of flow-guiding channel 65 on the first divider wall 621 or the second divider wall 622, and H is first The height of the divider wall 622 of divider wall 621 or second, h ＇ are the width of flow-guiding channel 65 (in the utility model, due to bulge loop 67 Height it is identical with the width of flow-guiding channel 65, Gu h ＇=h).

Wherein, area of passage S_3a, area of section P and area of section G unit be mm²(square millimeter), width h ＇, length Degree L, width b, the unit of height H and height h are mm (millimeter).

As shown in figure 4, in one embodiment of the present utility model, the He of the first divider wall 621 of each bending unit 62 Lamination body 61 between second divider wall 622 is provided with multiple first through hole 613；Further, adjacent two-by-two bending list Lamination body 61 between unit 62 is provided with multiple second through holes 614.Those first through hole 613 and those second through holes 614 can Evenly spaced to be distributed on lamination body 61, such setting improves the complementarity that each is filtered between lamination 6, when upper and lower It is to be filtered when certain a certain first import 63 for filtering lamination 6 being laminated with the filtration of multiple filtration laminations 6 is blocked Water can by with the first import of the blocking about 63 corresponding the first import 63 for filtering lamination 6 flow into, and Jing is respective First through hole 613 forms connected state with the filtration lamination 6 of first import 63 blocking, to continue to complete filtration operation, and not Affect the filter effect of integral filter structure.

As shown in figure 4, in another embodiment of the present utility model, filtering the external annulus at the first import 63 of lamination 6 612 are radially-inwardly recessed is formed with outer notch part, multiple in the effect of the outer notch part, the effect and above-described embodiment for producing The effect of first through hole 613, the effect for producing are identical, are used for connecting multiple filtration laminations 6 stacked on top of one another, are prevented Because the situation that a certain filtration lamination 6 blocking causes filter effect to decline occurs.In the present embodiment, outer notch part can be broken line Outer notch part 681, or extra curvature notch part 691, that is, the shape of the outer notch part can be the folding of multiple sawtooth composition Wire shaped or for arcuate shape；Further, the internal ring wall 611 at the outlet 64 of the filtration lamination 6 is radially outward recessed formation Have an interior notch part, interior notch part can be notch part 692 in notch part 682 in broken line, or curve, the interior notch part with The structure of the outer notch part in above-described embodiment, effect are identical with the effect for producing, and will not be described here.Breach in the above The setting of portion and outer notch part may also operate as increasing the effect of 64 areas of section of the first import 63 and outlet.

Simultaneously n bulge loop 67 is provided with the lower surface of lamination body 61, and lamination body 61 is provided with above-mentioned outer breach In the case of portion and interior notch part, the first import 63 from lower floor (that is, filter on the external annulus 612 of the lamination body 61 of lamination 6 Between the lower surface of external annulus 612 of the lamination body 61 on surface to upper level filter lamination 6 formed region) area of section definition For S_1b, outlet 64 is (that is, filter the upper surface of internal ring wall 611 of the lamination body 61 of lamination 6 from lower floor to upper level filter lamination 6 Lamination body 61 the lower surface of internal ring wall 611 between formed region) area of section be defined as S_2b, the section of the second import 66 Area is defined as P, and the area of section of all flow-guiding channels 65 on the first divider wall 621 or the second divider wall 622 is defined as G, cuts Face area P and area of section G and be defined as area of passage S_3b。

The then area of section S of above-mentioned first import 63_1bComputing formula it is as follows：

S_1b=W_1b×(H+h)······(6)

In formula (6), W_1bFor folding between first divider wall 621 and the second divider wall 622 of each bending unit 62 The broken line or the total length of curve of the external annulus 612 of piece body 61, H is the height of the first divider wall 621 or the second divider wall 622 Height, h for bulge loop 67 height, area of section S_1bUnit be mm²(square millimeter), arc length W_1b, height H and height h Unit is mm (millimeter)；

The area of section S of above-mentioned outlet 64_2bComputing formula it is as follows：

S_2b=W_2b×(H+h)······(7)

In formula (7), W_2bFor the lamination body 61 between bending unit 62 adjacent two-by-two internal ring wall 611 broken line Or the total length of curve, H is the height of the height of the first divider wall 621 or the second divider wall 622, and h is the height of bulge loop 67, cuts Face area S_2bUnit be mm²(square millimeter), arc length W_2b, height H and height h unit be mm (millimeter)；

The area of section P of above-mentioned second import 66 and the first divider wall 621 or all flow-guiding channels on the second divider wall 622 The area of passage S of 65 area of section G sums_3bComputing formula it is as follows：

S_3b=P+G (8)

Wherein, P=h × (L-n × b) (9)

G=N × H × h ＇ (10)

In formula (9), L is the length of the first divider wall 621 or the second divider wall 622, h for bulge loop 67 height, n For the number of bulge loop 67, b is the width of bulge loop 67.

In formula (10), N is the quantity of flow-guiding channel 65 on the first divider wall 621 or the second divider wall 622, and H is The height of one divider wall 621 or the second divider wall 622, h ＇ are the width of flow-guiding channel 65 (in the utility model, due to bulge loop 67 height is identical with the width of flow-guiding channel 65, Gu h ＇=h).

Wherein, area of passage S_3b, area of section P, the unit of area of section G be mm²(square millimeter), width h ＇, length Degree L, width b, the unit of height H and height h are mm (millimeter).

As shown in Figure 6 and Figure 7, in another embodiment of the present utility model, the external annulus 612 of the first import 63 it is upper Surface is arranged with the first upper groove 683, or, the lower surface of the external annulus 612 at the first import 63 is arranged with the first low groove 684；Further, the upper surface of the internal ring wall 611 of outlet 64 is arranged with the second upper groove 693, or, the inner ring at outlet 64 The lower surface of wall 611 is arranged with the second low groove 694.The setting of the above groove can act as increasing the He of the first import 63 Export the effect of 64 areas of section.

Specifically, as shown in fig. 6, being provided with to lamination body 61 at the upper surface seamed edge of external annulus 612 of the first import 63 The curved indentations of central concave, the curved indentations are the first upper groove 683；Or, under the external annulus 612 at the first import 63 The curved indentations to the central concave of lamination body 61 are provided with the seamed edge of surface, the curved indentations are the first low groove 684；Enter one Step, as shown in fig. 7, being provided with the song to the outside of lamination body 61 depression at the upper surface seamed edge of the internal ring wall 611 of outlet 64 Face groove, the curved indentations are the second upper groove 693；Or, outlet 64 at internal ring wall 611 lower surface seamed edge at be provided with to The curved indentations of the outside of lamination body 61 depression, the curved indentations are the second low groove 694.The effect of those curved indentations, The effect of generation is identical with the effect of multiple first through hole 613, the effect for producing, and is the multiple mistakes for connecting stacked on top of one another Filter lamination 6 is used, and prevents the situation for causing filter effect to decline because of a certain filtration lamination 6 blocking from occurring.Above-mentioned each curved indentations Setting can be also used for increasing the area of section of the first import 63 and outlet 64.

Simultaneously n bulge loop 67 is provided with the lower surface of lamination body 61, and lamination body 61 is provided with above-mentioned each curved surface In the case of groove, the first import 63 is (that is, the upper surface of external annulus 612 that the lamination body 61 of lamination 6 is filtered from lower floor is supreme Layer filter lamination 6 lamination body 61 the lower surface of external annulus 612 between formed region) area of section be defined as S_1c, go out Mouth 64 is (that is, filter the lamination sheet of the upper surface of internal ring wall 611 to upper level filter lamination 6 of the lamination body 61 of lamination 6 from lower floor Between the lower surface of internal ring wall 611 of body 61 formed region) area of section be defined as S_2c, the definition of the area of section of the second import 66 For P, the area of section of all flow-guiding channels 65 on the first divider wall 621 or the second divider wall 622 is defined as G, area of section P and Area of section G and be defined as area of passage S_3c。

The then area of section S of above-mentioned first import 63_1cComputing formula it is as follows：

S_1c=W_1c× (H ＇+h) (11)

In formula (11), W_1cFor folding between first divider wall 621 and the second divider wall 622 of each bending unit 62 The curve total length of the external annulus 612 of piece body 61, H ＇ be the upper level filter lamination 6 at the first import 63 external annulus 612 with Lower floor filter lamination 6 external annulus 612 between spacing mean value, h for bulge loop 67 height, the area of section of the first import 63 S_1cUnit be mm²(square millimeter), arc length W_1c, height H and height h unit be mm (millimeter)；

The area of section S of above-mentioned outlet 64_2cComputing formula it is as follows：

S_2c=W_2c× (H ＇+h) (12)

The W in formula (12)_2cFor the lamination body 61 between bending unit 62 adjacent two-by-two internal ring wall 611 curve Total length, H ＇ be export 64 at upper level filter lamination 6 internal ring wall 611 and lower floor filter lamination 6 internal ring wall 611 between Away from mean value, h for bulge loop 67 height, area of section S_2cUnit be mm²(square millimeter), arc length W_2c, height H and height The unit of h is mm (millimeter)；

The area of section P of above-mentioned second import 66 and the first divider wall 621 or all flow-guiding channels on the second divider wall 622 The area of passage S of 65 area of section G sums_3cComputing formula it is as follows：

S_3c=P+G (13)

Wherein, P=h × (L-n × b) (14)

G=N × H × h ＇ (15)

In formula (14), L is the length of the first divider wall 621 or the second divider wall 622, h for bulge loop 67 height, n For the number of bulge loop 67, b is the width of bulge loop 67.

In formula (15), N is the quantity of flow-guiding channel 65 on the first divider wall 621 or the second divider wall 622, and H is The height of one divider wall 621 or the second divider wall 622, h ＇ are the width of flow-guiding channel 65 (in the utility model, due to bulge loop 67 height is identical with the width of flow-guiding channel 65, Gu h ＇=h).

Wherein, area of passage S_3c, area of section P, the unit of area of section G be mm²(square millimeter), width h ＇, height Degree h, length L, width b, the unit of height H and height h are mm (millimeter).

The width of flow-guiding channel 65 is consistent with the height of bulge loop 67, and the two parameters have been together decided on can be passed through The impurity maximum gauge of filter lamination 6, typically irrigates the precision for using in 50 mesh between 200 mesh, and corresponding flow-guiding channel 65 is wide Degree and the height of bulge loop 67 are exactly 0.08mm～0.3mm, can select different flow-guiding channels according to the difference of water quality to be filtered The height of 65 width and bulge loop 67.

In an embodiment of the present utility model, along circle on the internal ring wall 611 of lamination body 61 or on external annulus 612 Circumferential direction can be provided with multiple locating slots or locating convex block (not shown), and those locating slots or locating convex block may be provided at inner ring On wall 611 or on external annulus 612.The utility model can be relatively fixed by the design of those locating slots or locating convex block The position of multiple filtration laminations 6 of lower stacking, while by arranging the connectors such as fastener in those locating slots, it is also possible to relative Each relative rotation for filtering lamination 6 is limited, this is not restricted for the concrete structure of locating slot of the present utility model, as long as can be real Existing positioning function.Arranging the effect of locating slot is, after filtering the fixation of the relative position of lamination 6, will not in operation process The first import 63 and outlet 64 for causing upper level filter lamination 6 because filtering the mutual dislocation of lamination 6 filters lamination 6 with lower floor Misplace between first import 63 and outlet 64, it is ensured that filtration operation is smoothed out.

Filtration lamination 6 of the present utility model, by arranging bending unit 62, is capable of achieving the multilayer stepping to water and filters, the It is coarse filtration at one import 63；Flow-guiding channel 65 at bending unit 62 is essence filtration, and bending unit 62 is equivalent to folding filter screen, In the state of multiple filtration lamination 6 is superimposed, bigger than the filter area of plain cylindrical form filter screen two to eight times, and in the first isolation 622 multiple flow-guiding channels 65 on the divider wall of wall 621 and second, hinge structure improves filter efficiency.The utility model Filtration lamination 6 can be to the accurate filtration of agricultural irrigation water, its simple structure, low cost.

Filtration lamination 6 of the present utility model, by changing the first import 63 and the shape for exporting 64, including breach in arranging Portion, outer notch part, upper groove and low groove, increased the area of passage of the first import 63 and outlet 64, improve the effect of filtration Rate；In addition, by lamination body 61 arrange the through hole 614 of first through hole 613 and second, improve each filter lamination 6 it Between complementarity, i.e., when it is single filtration lamination 6 block when, water can be continued to complete by the through hole 614 of first through hole 613 and second Filter.

Embodiment two

The utility model also provides a kind of laminated filter of the filtration lamination 6 comprising embodiment one, described mistake Structure, operation principle and the beneficial effect for filtering lamination 6 is identical with embodiment one, will not be described here.

As shown in figure 8, a kind of laminated filter comprising above-mentioned filtration lamination 6, including：Housing 1, be connected with thereon into Waterpipe 2, outlet conduit 3 and Backwash pipeline 4；Filter core support 5, it is arranged in the housing 1, is arranged on filter core support 5 There are multiple filtration laminations 6 stacked on top of one another.Specifically, it is respectively equipped with valve in inlet channel 2, outlet conduit 3 and Backwash pipeline 4 Door, those valves are used to open or close inlet channel 2, outlet conduit 3 and Backwash pipeline 4.

In the present embodiment, the laminated filter includes three sets of filter elements, that is, the first filter element 7, the second mistake The filter filter element 9 of unit 8 and the 3rd, wherein, the first filter element 7 is provided with the first inlet valve 21 and the first back flush valves 41, the first filter element 7 of control of the first inlet valve 21 is turned on and off with inlet channel 2, and the first back flush valves 41 are controlled Made being turned on and off for the first filter unit 7 and Backwash pipeline 4；Second filter element 8 is provided with the second inlet valve 22 and Two back flush valves 42, the second filter element 8 of control of the second inlet valve 22 is turned on and off with inlet channel 2, and second is anti- The second filter element 8 of control of flushing valve 42 is turned on and off with Backwash pipeline 4；3rd filter element 9 is provided with the 3rd and enters The back flush valves 43 of penstock 23 and the 3rd, the unlatching of the filter element 9 of the control of the 3rd inlet valve 23 the 3rd and inlet channel 2 or Close, the 3rd filter element 9 of control of the 3rd back flush valves 43 is turned on and off with Backwash pipeline 4.This three sets are filtered single First in parallel, inlet channel 2 can respectively multiple external annulus 612 and housing 1 for filtering laminations 6 be constituted with three sets filter elements Annular space is connected, and outlet conduit 3 can be common with the internal ring wall 611 of multiple filtration laminations 6 in three sets of filter elements respectively The cylindrical space of composition is connected, and Backwash pipeline 4 is connected with blow-off line 40.The filtration operation of above-mentioned each filter element Will not influence each other.

When the laminated filter carries out the operation of normal filtration water, the first inlet valve 21, the second water intaking valve are opened The inlet valve 23 of door 22 and the 3rd, water to be filtered is entered in housing 1, by the first inlet valve 21, second from inlet channel 2 The inlet valve 23 of inlet valve 22 and the 3rd, respectively enters the external annulus 612 of multiple filtration laminations 6 and housing of three sets of filter elements In the annular space of 1 composition, the periphery wall of the filtration lamination 6 of many stackings of Jing is filtered into the filtration lamination 6 of multiple stackings Inside, completes to filter, and the water from after three filter elements filtrations is concentrated and flowed out from outlet conduit 3.Due to each filter element Separate setting, wherein certain filter element are broken down, and do not interfere with the work of other filter elements.

When certain filter element to the laminated filter carries out backsurging operation, other filter elements do as usual work Make, for example, as shown in figure 8, when carrying out backsurging operation to the 3rd filter element 9, the first inlet valve 21 and the second water intaking valve Door 22 is opened, and the first back flush valves 41 and the second back flush valves 42 are closed, meanwhile, the 3rd inlet valve 23 is closed, and the 3rd Back flush valves 43 are opened, and the clear water that now Jing the first filter elements 7 and the second filter element 8 are filtered can flow from outlet conduit 3 Go out, while some clear water is further separated into the inside that the 3rd filter element 9 filters lamination 6, in certain clear water pressure Under momentum effect, the filtration lamination 6 of multiple stackings can up and down be opened and kept at a certain distance away, and so as to remain in each lamination is filtered Impurity particle on 6 multiple bending units 62 can be flushed away under the effect of the hydraulic pressure of clear water, and sewage is from the 3rd back flush valves 43 inflow blow-off lines 40 are discharged.When needing to backwash the first filter element 7 and the second filter element 8, process with Said process is similar to, and will not be described here.Laminated filter of the present utility model, when backsurging operation is carried out, filters and makees Industry is uninterrupted, it is ensured that the interruption supply of clear water.In real work, the quantity of filter element is not limited to three sets, concrete number Amount is decided according to the actual requirements.

Laminated filter of the present utility model, the simple structure of filtration lamination 6 in it, good filtration effect and with recoil Function is washed, the laminated filter can accurately be filtered to current, the effect of water filtration can be improved, in addition, being recoiled When washing, the filtration lamination 6 of multiple stackings can be separated from each other, and the clear water sent by Backwash pipeline 4 can rapidly by each The impurity particle filtered on lamination 6 is rinsed well, and its backwash effect is very good.

Several embodiments of the present utility model are the foregoing is only, those skilled in the art is according to disclosed in application documents Content can carry out various changes or modification without deviating from spirit and scope of the present utility model to the utility model embodiment.

Claims (13)

1. it is a kind of to filter lamination, it is characterised in that the filtration lamination includes：

Lamination body, it has internal ring wall and external annulus；

Multiple bending units, multiple bending unit head and the tail are sequentially connected the upper surface for being arranged on the lamination body, described Bending unit has the first divider wall and the second divider wall, and first divider wall and second divider wall are in the external annulus Place is formed with the first import, and two-by-two the adjacent bending unit is formed with outlet, first isolation at the internal ring wall Offer multiple flow-guiding channels on wall and second divider wall respectively, multiple flow-guiding channels connect first import and The outlet.

2. filtration lamination according to claim 1, it is characterised in that the filtration lamination also includes being fixedly arranged on the lamination Multiple bulge loops of body lower surface, the height of the bulge loop is identical with the width of the flow-guiding channel.

3. filtration lamination according to claim 1 and 2, it is characterised in that described the first of each bending unit every The lamination body between wall and second divider wall is provided with multiple first through hole.

4. filtration lamination according to claim 1 and 2, it is characterised in that two-by-two between the adjacent bending unit The lamination body is provided with multiple second through holes.

5. filtration lamination according to claim 1 and 2, it is characterised in that the external annulus footpath of first entrance Outer notch part is formed with to caving inward.

6. filtration lamination according to claim 1 and 2, it is characterised in that the internal ring wall in the exit radially to Outer depression is formed with interior notch part.

7. filtration lamination according to claim 1 and 2, it is characterised in that the external annulus of first entrance Upper surface is arranged with the first upper groove；Or, it is recessed that the lower surface of the external annulus of first entrance is arranged with first Groove.

8. filtration lamination according to claim 1 and 2, it is characterised in that the upper table of the internal ring wall in the exit Face is arranged with the second upper groove；Or, the lower surface of the internal ring wall in the exit is arranged with the second low groove.

9. filtration lamination according to claim 1, it is characterised in that first divider wall of each bending unit The arc length of the external annulus of the lamination body and second divider wall between is W₁, the height of first divider wall and institute The height for stating the second divider wall is H, the area of section S of first import₁Meet equation below：S₁=W₁×H。

10. filtration lamination according to claim 1, it is characterised in that the institute between the adjacent bending unit two-by-two The arc length for stating the internal ring wall of lamination body is W₂, the height of the height of first divider wall and second divider wall is H, The area of section S of the outlet₂Meet equation below：S₂=W₂×H。

11. filtration laminations according to claim 1, it is characterised in that the width of the flow-guiding channel be 0.08mm～ 0.3mm。

12. filtration laminations according to claim 1, it is characterised in that：Edge is round on the internal ring wall or on the external annulus Circumferential direction is provided with multiple locating slots or locating convex block.

A kind of 13. laminated filters of the filtration lamination comprising as described in any one in claim 1 to 12, its feature exists In the laminated filter includes：

Housing, is connected with thereon inlet channel, outlet conduit and Backwash pipeline；

Filter core support, it is arranged in the housing, multiple filtrations stacked on top of one another is arranged with the filter core support and is folded Piece.