WO2014190454A1

WO2014190454A1 - Low-pressure self-cleaning continuous filter

Info

Publication number: WO2014190454A1
Application number: PCT/CN2013/000724
Authority: WO
Inventors: 闫向东; 尹强; 周莉薇; 刘湘岩; 尹邦学
Original assignee: 新疆惠利灌溉科技股份有限公司
Priority date: 2013-05-28
Filing date: 2013-06-21
Publication date: 2014-12-04

Abstract

Disclosed is a low-pressure self-cleaning continuous filter, comprising a shell (10) with a cylindrical inner cavity, wherein a water inlet (11) and a water outlet (12) are provided on the shell (10), the inner cavity of the shell (10) between the water inlet (11) and the water outlet (12) is provided with a first filter screen (20), the inner cavity of the shell (10) is divided into a water inlet cavity (3) and a water outlet cavity (5) by the first filter screen (20), and the first filter screen (20) is a rotatable object and is driven by a driving device. A water inlet cavity baffle (31) is provided in the water inlet cavity (3), a water-inlet static-water cavity (32) with relatively static water flow velocity is partitioned by the water inlet cavity baffle (31) in the water inlet cavity (3), and a small gap is reserved between an edge of the water inlet cavity baffle (31) and the shell (10). A first brush body (81) is arranged at the side of the water inlet cavity baffle (31) close to the first filter screen (20), the first brush body (81) is close to a surface of the first filter screen (20), an impurity discharging port (33) of the water inlet cavity is provided on the shell (10) in the water-inlet static-water cavity (32), the impurity discharging port (33) of the water inlet cavity is in communication with a first impurity collecting pot (34), and a first sewage draining exit(35) is provided on the first impurity collecting pot (34).

Description

Low pressure self-cleaning continuous filter

The invention relates to a low pressure Θ cleaning continuous filter, belonging to the field of agricultural water filtration equipment. Background technique

Water resources are very valuable, and water conservation has become a trend of sustainable development of industry and agriculture. And the filtering device is a very important device. Therefore, a filter with good reliability, low cost operation, automatic cleaning and continuous filtration is very urgent. There are two main types of filters for filter filter cleaning, one is backwashing. Another 3⁄4 self-cleaning type. The backwash filter disclosed by Zhongli CN202270401U is now backwashed by changing the direction of water flow through the filter. The flushing method can now be used to clean the filter. 1'| ^ Washing, i is not effective, many stubborn impurities will remain on the filter screen, affecting the filtration effect. In particular, the backwashing process requires higher water pressure, which greatly increases the cost and energy consumption. The β-action flushing net filter disclosed by the M patent CN201565186U, although the brush is cleaned by the friction of the filter with the filter, what is it: 1: It needs to be divided into two stages, namely the filtration stage and During the cleaning phase, this will cause the shortening of the filtering work cycle in I'Hj at --^. In addition to the above shortcomings, in the brush filter M over ¹ 1 ¹ , Shanshui 11, : for f Π, the washing effect is not good.隠, - kind of structure ί», ^ good washing effect, low cost, late maintenance force, and can be continuously filtered and washed L'l filter is raised ί-Ι '. Summary of the invention

In order to make the self-cleaning filter simple in structure, good in cleaning effect, low in cost and convenient in later maintenance, the present invention provides a low/. (i'i washing: filter. Hugh 'i-present: low-grade continuous filtration, including a cylindrical casing (10), and a casing (10) with a weir (1) and a water (II), water inlet ( 11) Housing of the 13⁄4J of the water outlet (12) (10) The inner chamber is provided with a first filter screen (20), and the first filter screen (20) divides the inner cavity of the casing (10) into a water inlet chamber (3) and a water outlet chamber (5), and the first filter screen (20) a rotatable body driven by a drive unit, in the inlet chamber

(3) a water inlet baffle (31) is provided therein, and the water inlet baffle (31) partitions a water inlet hydrostatic chamber (32) with a relatively static flow in the water inlet chamber (3), and A small gap is left between the edge of the inlet chamber partition (31) and the casing (10), and the first brush body is disposed on a side of the inlet chamber partition (31) adjacent to the first screen (20) ( 81), the first brush body (81) is in close contact with the surface of the filter screen (20), and the housing (10) k in the water inlet still water chamber (32) is provided into the water chamber row (U) , Inlet glue discharge 1 1 (33) and the first set of miscellaneous cans

(34) Connected, the first set of tanks (34) is provided with a first drain (35). The water outlet chamber (5) is provided with a water outlet partition plate (51), and the water outlet chamber partition plate (51) partitions a water outlet static water chamber (52) with a relatively slow water flow velocity in the water outlet chamber (5), and the water outlet a small gap is left between the edge of the cavity partition (51) and the casing (10), and a second brush body (82) is disposed on a side of the water outlet partition (51) adjacent to the first screen (20). The second brush body (82) is in close contact with the surface of the first filter screen (20), and the housing (10) h in the water outlet hydrostatic chamber (52) is provided with a water outlet cavity (53), and the water outlet cavity Miscellaneous (53) 3⁄4 second set miscellaneous ^ ( 54) 迮通, 柒3⁄4 can (54) 1:: There is a second drain (55). a second filter (21) is further disposed in the inner cavity of the housing (10) of the water inlet (11) of the first filter screen (20), and the filter screen (21) is a rotatable The body parallel drive drive 3⁄4 drive, the second filter screen (21) divides the water inlet into a first water inlet chamber (30) and a second water inlet chamber (40), and the water inlet chamber partition is located In the first inlet chamber (30), the inlet chamber (33) is located in the housing (10) of the first inlet chamber (30)::, in the second inlet chamber (40) There is also a second inlet chamber partition (41), and the second inlet chamber partition (4) is separated from the first inlet chamber (40) by a second relatively constant water flow velocity Inlet water still water chamber (42). The water inlet baffle is disposed adjacent to the side of the filter screen (21) with a third brush body (83), and the third body: the brush body (83) is in close contact with the surface of the second filter screen (21). Said: water inlet ^13⁄4] 3⁄4 ( 41 ) near ^: '. ij; M ( 21 ) - side set - there is a fourth brush body (84), the fourth brush body (84) is closely attached to笫: . Filter (21) is 3⁄4. a second inlet chamber discharge port (43) is disposed on the casing (10) in the second inlet hydrostatic chamber (42), and the: inlet water chamber is exhausted 1 1 (43) 4 - The collecting tank (44) is connected, and the second collecting tank (44) is provided with a second sewage outlet (45), the inlet chamber partition (31), the: inlet chamber partition (41) and The water outlet partition (51) is V One or two combinations of type, rectangle or arch. The driving device is any one of a hand crank (65), a motor (62) or a water wheel (63), and the driving device passes through the rotating shaft (61) and the first filter (20) and/or the first The second filter (21) is connected. Compared with the prior art, the invention has the advantages of simple structure, good cleaning effect, low cost, convenient maintenance in the later stage, and can realize uninterrupted filtration and cleaning. DRAWINGS

The invention will now be described in further detail with reference to the drawings and embodiments.

I winter 1 1 is the wood 1 \\ new 3⁄4 case · The structure is small I winter i. Figure 2 is a small intent of the cabinet 1 屮 A-A direction structure. Figure 3 is a schematic view of the structure in the B-B direction of Figure 1. Fig. 4 is a schematic structural view of the second embodiment. Figure 5 is a small diagram of the structure of Figure 5C in the C-C direction. Figure 6 3⁄4 The structure of the embodiment I is small; g map. 7 The structure of the example ^ is small, '. Figure 8 shows a small structure of the fifth embodiment. Fig. 9 is a cross-sectional structural view showing the water inlet chamber of the sixth embodiment. Fig. 10 is a cross-sectional structural view showing the water outlet chamber of the sixth embodiment. Figure 11 is a cross-sectional structural view showing the water inlet chamber of the seventh embodiment. Figure 12 is a cross-sectional view showing the water discharge chamber of the third embodiment. 13 Example 8 The cross section of the water inlet structure is small | 1 Figure 14 is a cross-sectional structural view showing the water outlet chamber of the eighth embodiment. Figure 15 3⁄4 Example 9 is a small structure ^1. Figure 16 ^ The structure of the embodiment I- is small, '≥:1.

10, the shell; 11, the water inlet; 12, the water outlet; 20, the first filter screen; 21, the second filter screen;

3. Inlet chamber; 30, first inlet chamber; 31, inlet chamber partition; 32, inlet water still water chamber; 33, inlet chamber exhaust II; 34, λ·ίίΐ3⁄4^ _; 35, first discharge mouth;

40, the second water inlet chamber; 41, the second water inlet chamber partition; 42, the second water inlet still water chamber; 43, the second water inlet chamber discharge port; 44, the second set of miscellaneous tank; 45, the second Sewage outlet

5. Outlet chamber; 51. Outlet chamber partition; 52. Outlet water still chamber; 53. Outlet chamber drain port; 54. Third set miscellaneous tank; 55. Third row sewage port;

61, rotating shaft; 62, motor; 63, water wheel; 64, 3⁄4 speed loading: 65, hand crank; 81, first brush body; 82, second brush body; 83, the first brush body; 84, the first Four brush body. detailed description

3⁄4 Example: As shown in Figure 1-3, the low-pressure Ι' cleaning cleaning filter according to the embodiment of the present invention comprises a casing 10 having a cylindrical inner cavity, and a water inlet is provided on the casing 10. 11 and the water outlet 12, the inner space of the casing 10 between the water inlet 11 and the water outlet 12 is provided with a first screen 20, and the first screen 20 divides the inner cavity of the casing 10 into a water inlet chamber 3 and a water outlet chamber 5. The first filter screen 20 is a rotatable body and is driven by a driving device. The water inlet chamber 3 is provided with a water inlet chamber partition 31, and the water inlet chamber partition 31 separates a water flow in the water inlet chamber 3. a relatively static inflowing hydrostatic chamber 32, and 11. a small gap is left between the edge of the inlet chamber partition 31 and the housing 10, and the inlet chamber 31 is adjacent to the side of the first screen 20 There is a first brush body 81, the first brush body 8 is closely attached to the watch of the first filter screen 20, and the inlet 10 in the water inlet and outlet chamber 32 is provided with a water inlet cavity drain port 33, and a water inlet chamber. The exhaust manifold 33 is in communication with the first stacking tank 34, and the first stacking tank 34 is provided with a first drain I::-I 35. The water outlet chamber 5 is provided with a 1.11 water chamber partition 51. The water outlet chamber partition 51 partitions a effluent still water chamber 52 with a relatively slow water flow velocity in the water outlet chamber 5, and the edge and the shell of the outlet chamber partition 51 A small gap is left between the first and second sides of the first screen 20, and the second brush body 82 is closely attached to the surface of the first screen 20, and the water is discharged. The housing 10 in the still water chamber 52 is provided with a water discharge chamber, the water outlet chamber 3⁄41 I 53 is connected to the first tank 51, and the third tank 54 is provided with a third drain 55. In this embodiment, the driving assembly adopts a motor 62, and the 1+1 motor 62 drives the first screen 20 to operate through the rotating shaft 61. Embodiment 2: As shown in FIG. 4-5, the low-pressure self-cleaning continuous filter according to the second embodiment of the present invention includes a casing 10 having a cylindrical inner cavity, and the casing 10 is provided with a water inlet port and a water outlet. The nozzle 12 is provided with a first screen 20 in the inner cavity of the housing 10 between the water inlet 11 and the water outlet 12. The first screen 20 divides the inner cavity of the housing 10 into a water inlet chamber 3 and a water outlet chamber 5, 11 - the filter screen 20 is a rotatable body and driven by a mountain drive device, and a water inlet chamber partition 31 is provided in the water inlet chamber 3. The water inlet chamber partition 3] is separated from the water inlet chamber 3 by a water flow velocity. The stationary inlet water still chamber 32, and a small gap is left between the edge of the inlet chamber partition 31 and the casing 10, and the inlet chamber 1 is 31. The side of the wall 20 is provided with the first brush body 81. The first brush body 81 is in close contact with the surface of the first filter screen 20, and the inlet 10 in the water inlet and outlet chamber 32 is provided with a water inlet cavity discharge port 33, and the water inlet cavity is exhausted. The collecting tank 34 is connected, and the first collecting tank 34 is provided with a first drain sump 35. A water outlet partition 51 is disposed in the water outlet chamber 5, and the water outlet partition 51 is partitioned in the water outlet chamber 5 - a relatively static water outlet chamber 52, and an edge of the outlet chamber partition 51 and the housing 10 The second brush body 82 is disposed on a side of the water outlet chamber partition 51 adjacent to the first screen 20, and the second brush body 82 is closely attached to the 3⁄4 surface of the D. m20. The housing 10 in the chamber 52 is provided with a water discharge chamber discharge port 53, the water discharge chamber discharge port 53 is connected to the first miscellaneous tank 54, and the third stack miscellaneous tank 54 is provided with a first discharge port 55. In the embodiment, the driving device ' uses a water wheel 63, and the water filter 63 drives the first filter screen 20 through the rotating shaft 61. In the course of implementation, it is also necessary to mount a differential device 64 on the rotating shaft 61. Embodiment 3: As shown in FIG. 6, the low pressure Θ cleaning continuous filter according to the third embodiment of the present invention comprises a casing 10 having a cylindrical inner cavity, and the casing 10 t is provided with a water inlet 11 and a water outlet 12 . The inner casing of the casing 10 between the water inlet 11 and the water outlet 12 is provided with a filter screen 20, and the first sieve mesh 20 divides the inner cavity of the casing 10 into a water inlet chamber 3 and a water outlet chamber 5, 第. 20 is a rotatable body and driven by a driving device. In the water inlet chamber 3, a water inlet chamber partition 31 is provided. The water inlet chamber partition 31 separates a static water flowing in the water inlet chamber 3 with a relatively slow water flow velocity. The cavity 32, and ί1, the edge of the water chamber partition 31, the body 10 | J retains a tiny | 'Hj gap, the inlet cavity partition 31 near the side of the filter 20 & ί ^ - body 81, The first brush body 81 is in close contact with the surface of the filter screen 20, and the inlet 10 in the water inlet and outlet chamber 32 is provided with a water inlet cavity 33, a water inlet cavity 33 and a first set. The miscellaneous cans 34 are connected, and the first collection canister 34 is provided with a first drain outlet 35. A water outlet partition 51 is disposed in the water outlet chamber 5, and the water outlet partition 51 partitions a static water outlet 52 which is relatively static in the water outlet chamber 5, and the edge and the shell of the water chamber partition 51 10 guarantee A small gap is provided, and a second brush body 82 is disposed on a side of the water outlet partition plate 5 1 adjacent to the second filter screen 20, and the brush body 82 is in close contact with the slit of the first filter 20, and the water outlet still chamber 52 is closed. The casing 10 is provided with a water discharge chamber discharge U 53, the water discharge chamber discharge 1:) 53 is in communication with the third collection tank 54, and the third collection tank 54 is provided with a third discharge port 55. In this embodiment, the driving device adopts a hand crank, and the handle 63 is mounted on the rotating shaft 61, and then the first screen 20 is driven by the rotating shaft 61. Embodiment 4: As shown in FIG. 7, the low-pressure self-cleaning continuous filter according to the second embodiment of the present invention includes a casing 10 having a cylindrical cavity, and a body 10 匕 is provided with an inlet Π 1 1 and The water outlet 12, the water inlet 1 1 and the outlet water I -] 1 2 I'uj of the housing 10 cavity are provided with a first screen 20, and the first filter screen 20 separates the inner cavity of the housing 10 into the water inlet The chamber 3 and the water outlet chamber 5, I I. ^ The screen 20 is a rotatable body and is driven by a driving device S. The inlet chamber 3 is provided with a water inlet chamber 3, 3⁄4 inlet chamber partition 3 1 A water inlet static water chamber 32 is formed in the inlet chamber 3, and a small fsj gap is maintained between the edge of the inlet chamber partition 31 and the housing 10, and the inlet chamber partition A first brush body 81 is disposed on a side of the first screen body 20, and the first brush body 81 is in close contact with the surface of the first screen 20. The housing 10 in the water inlet and outlet chamber 32 is provided on the housing 10. The inlet chamber discharge port 33, the inlet chamber discharge manifold 33 is in communication with the first collection tank 34, and the first collection tank 34 is provided with a first drain outlet 35. A second filter 21 is further disposed in the inner cavity of the housing 10 of the first filter 20 ^ the water inlet U 1 1 , and the second filter mesh 2 is a - rotatable body and l-L1 drive The device: the filter screen 21 divides the water inlet chamber into a first water inlet chamber 30 and a first water inlet chamber 40, and the water inlet chamber partition is located in the first water inlet chamber 30, and the inlet The water-filling agent I 1 33-position Γ · the inlet 30 of the water inlet 30, the second inlet chamber 40 is further provided with a first inlet chamber baffle 41, and the second inlet chamber baffle 41 is at the A second inlet hydrostatic chamber 42 having a relatively slow water flow velocity is disposed in the two inlet water chamber 40. A third brush body 83 is disposed on the side of the water inlet chamber partition adjacent to the second screen 21, and the third brush body 83 is in close contact with the surface of the screen: 2 mesh. The first inlet body 84 is disposed adjacent to the first side of the filter screen 21, and the fourth brush body 84 is closely attached to the first: '. The housing 10 in the inlet water still chamber 42 is provided with a second water inlet cavity drain port 43, and the second water inlet chamber drain port 43 is connected with the first: 3⁄4 chowder 44, the first collection The tank 44 I is provided with a second drain U 45. The water chamber 5 of the lLi water chamber 5 & the water gel plate 5 1 , the water outlet chamber partition 5 1 is separated by a water in the water outlet chamber 5 The flow velocity is relatively static with respect to the effluent hydrostatic chamber 52, and a small gap is left between the edge of the outlet chamber partition 51 and the casing 10, and the outlet chamber partition 5 1 is provided with a second side of the first filter screen 20 The brush body 82, the second brush body 82 is in close contact with the surface of the ten first filter screen 20, and the housing 10 in the water outlet still chamber 52 is provided with a water outlet cavity impurity port 53, a water outlet cavity arrangement 53 and a third set. The miscellaneous cans 54 are connected, and the third collection canister 54 is provided with a third sewage discharge 1J 55. In the wood embodiment, the moving device 65, the motor 62 or the water wheel 63 is any one of the moving jaws 65. Embodiment 5: As shown in FIG. 8, the fifth embodiment of the present invention is different from the first embodiment in that the water inlet cavity 33 is set to have a length equal to the length of the inlet cavity; The cavity discharge port 53 is formed in a strip shape corresponding to the outlet cavity. Embodiment 6: As shown in FIG. 9 and FIG. 1 and FIG. 10, on the basis of the embodiment, the water inlet chamber partition 3 1 is a combination of a V shape and an arch shape, that is, a V-shaped partition. A partition of an arch structure is further added to the outer side of the plate. Embodiment 7: 'Ά11冬1Π, I冬1 1 2, this embodiment is based on the embodiment-, the water inlet chamber partition 31 is a combination of a V-shape and a rectangle, that is, in a V shape A partition of a rectangular structure is further added to the outer side of the partition. Embodiment 8: As shown in FIG. 13 and FIG. 14, this embodiment is based on the first embodiment. The water inlet chamber partition 31 is a combination of two V-shaped partitions, that is, on the outer side of the V-shaped partition. Add a V-shaped partition with a larger angle. Embodiment 9: The present embodiment is different from the embodiment in that the water inlet partition 3 1 is an arched structure. Embodiment 10: As shown in FIG. 16 , the first embodiment of the present embodiment is different in that the water inlet cavity 3 1 is set to a shape.

^To be noted, the manner of the wood hair is not limited to the ones listed in the embodiment, and those skilled in the art can make adjustments based on the concept of the present invention as needed. Compared with the prior art, the invention has the advantages of simple structure, good cleaning effect, low cost, convenient maintenance in the later stage, and can realize uninterrupted filtration and cleaning.

Claims

Claim

1. A low-pressure self-cleaning continuous filter, comprising a cylindrical housing (10), the housing (10) having a water inlet (11) and a water outlet (12), characterized by: a water inlet ( 11) A first screen (20) is provided in the inner chamber of the casing (10) between the water outlet (12), and the first screen (20) divides the inner chamber of the casing (10) into a water inlet chamber (3) And the water outlet chamber (5), the J1 filter screen (20) is a rotatable body and is driven by a driving device, and a water inlet partition plate (31) and a water inlet chamber partition plate are arranged in the water inlet chamber (3). 31) A water inlet static water chamber (32) with a relatively slow water flow velocity is partitioned in the inlet chamber (3), and a small gap is left between the edge of the inlet chamber partition (31) and the casing (10). The first brush body (81) is disposed on one side of the inlet chamber (31) 3⁄4 near the screen (20), and the first brush body (81) is in close contact with the surface of the first screen (20) The casing (10) in the inlet water still chamber (32) is provided with a water inlet cavity (33), and the inlet cavity (33) is connected to the first collection tank (34). The first set of cans (34) is provided A sewage outfall (35).

2. The low pressure [ij cleaning continuous filter according to claim 1, wherein the water outlet chamber (5) is provided with a water outlet chamber partition (51). The water outlet chamber partition (51) is in the water outlet chamber. (5) A venting hydrostatic chamber (52) with a relatively slow water flow velocity is provided, and a small gap is left between the edge of the outlet chamber partition (51) and the casing (10), and the effluent chamber partition (51) A second brush body (82) is disposed on a side of the first filter screen (20), and the second brush body (82) is in close contact with the surface of the first filter screen (20), and the water discharge still water chamber (52) The inner casing (10) is provided with a water outlet cavity (53), the water outlet cavity 1" (53) is connected with the second collecting tank (54), and the third set of cans

(54) There is a third drain (55)

3. The low-pressure self-cleaning continuous filter according to claim 1 or 2, characterized in that the inner casing (10) of the first screen (20) and the water inlet (11) There is also a second filter screen (21), the second filter screen (21) is a rotatable body and is driven by a driving device, and the second filter screen (21) divides the water inlet chamber into a first water inlet. a chamber (30) and a second inlet chamber (40), the inlet chamber partition is located in the first inlet chamber (30), and the inlet chamber drain (33) is located in the first inlet chamber (33) 30) on the housing (10), in the second inlet chamber

(40) further comprising a second inlet chamber partition (41), wherein the second inlet chamber partition (41) is separated from the second inlet chamber (40) by a relatively constant flow rate of water flow Hydrostatic water chamber (42).

4. The low 3⁄4 cleaning continuous filter according to claim 3, wherein the inlet chamber partition is adjacent to a side brush body (83) of the second screen (21), and the third brush The body (83) is in close contact with the surface of the second screen (21).

5. The low pressure|3⁄4 cleaning continuous filter according to claim 3 or 4, wherein the second A side of the water chamber partition (41) adjacent to the second screen (21) is provided with a fourth brush body (84), and the fourth brush body (84) is in close contact with the surface of the second screen (21). .

The low-pressure clean-washing continuous filter according to claim 5, wherein the housing (10) in the second inlet water-cooling chamber (42) is provided with a second inlet chamber drain port (43), the second water inlet cavity

(43) Connected to the second set of tanks (44), and the second set of tanks (44) is provided with a second drain (45).

7. The low-pressure self-cleaning continuous filter according to claim 1 or 2, wherein the inlet chamber partition (31) and the outlet chamber partition (51) are V-shaped, rectangular or arched One or two combinations.

8. The low-cleaning continuous filter according to claim 3 or 2, wherein the inlet chamber partition (31), the second inlet chamber partition (41), and the outlet chamber partition (51) ) One or two combinations of V-shape, rectangle or arch.

9. The low 11^ wash continuous filter according to claim 1 or 2, wherein the driving device is any one of a hand crank (65), an Fti machine (62) or a water wheel (63) One type, and the driving device is connected to the first filter screen (20) through a rotating shaft (61).

10. The low-pressure self-cleaning continuous filter according to claim 3, wherein the driving device is any one of a hand crank (65), an I crank (62), or a water wheel (63). And the driving device is connected to the first filter screen (20) and the second filter mesh (21) through the rotating shaft (61).