WO2019006729A1

WO2019006729A1 - Radial fibre filter

Info

Publication number: WO2019006729A1
Application number: PCT/CN2017/092109
Authority: WO
Inventors: 孙滨成; 陆本度; 宋玉平
Original assignee: 易达科技（深圳）有限公司
Priority date: 2017-07-06
Filing date: 2017-07-06
Publication date: 2019-01-10

Abstract

Disclosed is a radial fibre filter, comprising a housing (11) with a filter cavity, wherein the housing (11) is provided with a water inlet (111) and a water outlet (112). The radial fibre filter further comprises a water flow channel arranged inside the filter cavity and in communication with the water inlet (111) and the water outlet (112), and a filter assembly arranged at the periphery of the water flow channel, wherein the filter assembly comprises a filter element (13) and a pressurization apparatus for tightly pressing, by means of pressurization, or releasing the filter element. When the filter element is required for filtering, the pressurization apparatus is used to tightly press, by means of pressurization, the filter element, such that the filter element is in a compact state, thereby achieving a filtering effect, and when the filter element needs to be cleaned in reverse, the pressurization apparatus is used to release the filter element, such that the filter element is in a released state and can then be rinsed in reverse by means of a water flow, thereby achieving the effect of cleaning the filter element by rinsing, in reverse, filter impurities in the filter element, thus avoiding the defect in the prior art of a filter element needing to be replaced; and the present invention has the advantages of convenient usage and low costs.

Description

Radial fiber filter

Technical field

[0001] The present invention relates to radial fiber filters, and more particularly to a radial fiber filter for water filtration.

Background technique

[0002] With the development of science and technology, more and more occasions need to filter water. For example, in some landscape water, oily wastewater, water, rainwater, lake water, etc., it is necessary to filter and treat the water. Of course, radial fiber filters can also be used to filter water in other applications.

[0003] In the prior art, a general filter includes a casing, and a water inlet, a water outlet, and the like are disposed on the outer casing, and a filtering chamber is disposed in the outer casing, and the filtering chamber is filled with a filtering material such as a filter element. The water flows from the water inlet into the filter chamber, and is filtered by the filter to filter impurities in the water and then output to the appropriate place through the water outlet.

[0004] However, in the filter of the prior art, during use, since the filter element continuously filters impurities, after use in a long turn, the filter element easily accumulates impurities, causing clogging, resulting in poor filtration effect or failure to achieve filtration. . To this end, the filter element needs to be replaced periodically or frequently to meet the filtration requirements, resulting in waste, and requires disassembly and replacement, and high maintenance costs.

technical problem

The technical problem to be solved by the present invention is to provide a radial fiber filter that can reversely clean the filter element.

Problem solution

Technical solution

[0006] The technical solution adopted by the present invention to solve the technical problem thereof is: constructing a radial fiber filter, comprising a casing having a filtering chamber, the casing being provided with a water inlet and a water outlet; the radial fiber The filter further includes a water flow passage disposed in the filter chamber, communicating with the water inlet and the water outlet, and a filter assembly disposed at a periphery of the water flow passage; the filter assembly includes a filter element, and pressurizing or A pressurizing device for the filter element.

[0007] Preferably, the pressing device includes a driving mechanism, a transmission mechanism driven by the driving mechanism, and a plurality of tabletes distributed around the periphery of the water flow channel;

[0008] The filter element includes a plurality of sets of filter element units, and each set of the filter element units is respectively disposed between two adjacent pieces of the pressing piece, and the pressing piece is driven by the transmission mechanism to be pressed or loosened. The filter unit is described.

[0009] Preferably, the transmission mechanism includes a rotating plate driven by the driving mechanism to rotate around the axis of the water flow channel, and a guiding plate fixedly disposed in the outer casing;

[0010] the guide disc is provided with a radial guiding groove;

[0011] each of the pressing pieces includes a first shaft disposed axially, and a second shaft; the first shaft is mounted on the turntable and rotates with the turntable; the end of the second shaft The slidable insertion is in the guiding groove.

[0012] Preferably, the driving mechanism includes a screw rod radially disposed in the outer casing, a nut that meshes with the screw rod, a connecting member fixedly connected to the nut, and a radial driving guide groove. Driver

[0013] the connecting member is provided with a guide post that can be inserted into the driving guide slot in a radial sliding fit; the first end of the driving member is fixedly connected with the turntable, and the other end is provided with the driving guide groove. The guide post drives the driving member to rotate, and drives the turntable to rotate.

[0014] Preferably, the guiding disc is a plurality of guiding disc units, and is arranged in parallel; correspondingly, the rotating disc is a plurality of rotating disc units, and is arranged in parallel; the pressing piece is divided into several pressures in the axial direction a sheet unit; the first shaft and the second shaft pass through the guide plate unit and the turntable unit to connect the tablet units.

[0015] Preferably, the housing is further provided with a mounting post for fixedly mounting the guiding disc.

[0016] Preferably, the filter element comprises a plurality of longitudinally disposed fiber filter elements.

[0017] Preferably, the fiber filter core comprises a grid-like substrate fixedly mounted on the periphery of the water outlet pipe, and a fiber group disposed on the grid-like substrate;

[0018] The grid-like substrate includes a plurality of bores; the fiber group includes a plurality of filter fibers; and the fiber group is continuously passed through the bore to be fixed to the grid-like substrate.

[0019] Preferably, the water flow channel comprises a hollow water outlet pipe communicating with the water outlet; the side wall of the water outlet pipe is provided with a water outlet hole; and the filter element is disposed at a periphery of the water outlet hole.

[0020] Preferably, the water outlet pipe is a cylindrical pipe, and one end of the cylindrical pipe is connected to the water outlet; the turntable is fixedly connected to the water outlet pipe.

[0021] Preferably, one side longitudinal edge of the fiber filter element is fixedly connected to the outer wall of the water outlet pipe. Advantageous effects of the invention

Beneficial effect

[0022] The implementation of the present invention has the following beneficial effects: When the filter element is required to be used for filtering, the pressurizing device is used to pressurize and compress the filter element, so that the filter element is in a tight state, thereby functioning as a filtering effect; and in the case of requiring a reverse cleaning of the filter element 吋The pressing device is used to loosen the filter element, so that the filter element is in a loose state, and the water flow can be reversely flushed, thereby backwashing the filter impurities in the filter element to achieve the effect of cleaning the filter element, thereby avoiding the need to replace the prior art. The defect of the filter element has the advantages of convenient use and low cost.

Brief description of the drawing

DRAWINGS

[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a perspective view of an embodiment of a radial fiber filter of the present invention;

2 is a schematic view of an embodiment of a radial fiber filter of the present invention with an outer casing omitted; [0025] FIG.

3 is a schematic view of an embodiment of a radial fiber filter of the present invention omitting an outer casing and a guide disk; [0027] FIG. 4 is another perspective of an embodiment of the radial fiber filter of the present invention omitting the outer casing [0028] FIG. 5 is a schematic view showing a state in which a filter element is pressed according to an embodiment of the radial fiber filter of the present invention;

6 is a schematic view showing a loose state of a filter element of one embodiment of the radial fiber filter of the present invention;

7 is a schematic view of a fiber filter element (a part of the fiber group omitted) of one embodiment of the radial fiber filter of the present invention; [0030] FIG.

8 is a partial schematic view of a fiber group of one embodiment of a radial fiber filter of the present invention.

Embodiments of the invention

[0032] As shown in FIGS. 1-6, is an embodiment of the radial fiber filter of the present invention, comprising a casing 11 having a filter chamber, a water flow passage disposed in the filter chamber, a filter assembly, etc., by filtering The assembly filters the water flowing into the filter chamber and discharges it through the water flow path to the purpose of filtering the water flow.

[0033] The outer casing 11 includes a water inlet 111 and a water outlet 112. The water flow to be filtered is connected to the filter chamber through the water inlet 111, and the water flow is filtered by the filter assembly, and then output through the water outlet 112. In this embodiment, the water inlet 111 and the water outlet 112 can be connected to the outside through a connecting flange; of course, the water inlet 1 11. The manner in which the water outlet 112 is connected to the outside world can also adopt various existing methods.

[0034] Further, a drain outlet may be disposed at the bottom of the outer casing 11 for discharging impurities remaining in the outer casing 11 or remaining behind the recoil filter element 13.

As shown, the outer casing 11 is substantially cylindrical, the water inlet 111 is disposed at a lower portion of the outer casing 11, and the water outlet 112 is disposed at an upper portion of the outer casing 11. Of course, the shape of the outer casing 11 may be other shapes; the positions of the water inlet 111 and the water outlet 112 may be arranged as needed.

[0036] The water flow passage is disposed in the filter chamber and communicates with the water inlet 111 and the water outlet 112. In the present embodiment, the water flow passage is a hollow water outlet pipe 12 communicating with the water outlet 112, and the water outlet hole 12 is provided in the side wall of the water outlet pipe 12. The filter element 13 is disposed at the outer periphery of the water outlet hole 121, so that the water flow can be filtered by the filter element 13, and then enters the hollow water outlet pipe 12 through the water outlet hole 121, and is then output through the water outlet port 112.

As shown in the figure, the outlet pipe 12 may be a cylindrical pipe, and the lower end is fixedly mounted on the outer casing 11, and the upper end of the cylindrical pipe is connected to the water outlet 112. Of course, the shape of the outlet pipe 12 can be designed as needed; the installation method and position can also be configured as needed.

[0038] It can be understood that in some embodiments, the water outlet pipe 12 can also be rotatably mounted in the outer casing 11 through the support column 113 and the bearing 114. As shown in FIG. 4, the water outlet 112 is a tubular water outlet, and the water outlet pipe 12 is fixedly connected to the turntable 18, and is rotatably mounted on the outer periphery of the water outlet 112 through the bearing 114; and the lower end of the water outlet pipe 12 passes through the support column. 113 is rotatably supported on the bottom plate of the outer casing 11. Further, a thrust bearing or the like may be installed between the support column 13 and the water outlet pipe 12 to facilitate the rotation of the water outlet pipe.

[0039] A filter assembly is disposed at the periphery of the outlet pipe 12 to filter the water flow. In the present embodiment, the filter assembly includes a filter element 13, and a pressurizing device for pressurizing or loosening the filter element 13, etc., and the filter element 13 is used for filtering, and the pressurizing device is used to pressurize the filter element 13 by pressure. , the filter element 13 is in a tight state, thereby playing a filtering effect; and when the filter element 13 is required to be reversely cleaned, the filter element 13 is loosened by a pressurizing device, so that the filter element 13 is in a loose state, and the water flow can be reversely washed, thereby The filtered impurities in the filter element 13 are backwashed to achieve the effect of cleaning the filter element 13.

[0040] wherein the pressing device comprises a driving mechanism, a transmission mechanism driven by the driving mechanism, and a plurality of pressing pieces 22 distributed around the periphery of the water flow passage. The driving mechanism is used to drive the transmission mechanism to control the engagement of the pressing piece 22, thereby pressing or loosening the filter element 13, and realizing the function of filtering or backwashing.

[0041] The filter element 13 includes a plurality of sets of filter element units, and each set of filter element units is respectively disposed on two adjacent press pieces 22 The pressure piece 22 is driven by the transmission mechanism to press or loosen the filter element unit. Each filter element of the filter element 13 may include a plurality of longitudinally disposed fiber filter elements; the fiber filter element may be squeezed or loosened by the pressure piece 22, thereby changing the distance between the fiber filter elements, thereby performing filtration or backwashing. The fiber filter can filter various kinds of water, such as oily wastewater, landscape water, water, rainwater, lake water and so on. In this embodiment, the fiber filter core has at least the following advantages: 1. High filtration precision, good effluent quality, and removal rate of suspended particles in water bodies up to 98%, and various macromolecular organic substances, colloids, Viruses, bacteria, etc. also have a certain removal effect.

[0042] 2, the filtration speed is fast: due to the use of the fiber filter material, the porosity of the filter bed is significantly increased, and the filtration speed is increased, which is 3 to 4 times that of the ordinary sand filter.

[0043] 3, the backwash is thorough, the water consumption is small: the backwashing rotor rotates the fiber bundle to perform insufficient rotation, sway, and mutual impact, thereby greatly accelerating the separation of the suspended particles attached to the fiber bundle, and improving The cleaning rate of the filter material.

[0044] 4. The ability to adapt to the medium is strong, and the grid is not entangled: the optimized combination of various fiber filter materials has the ability to adapt to different media.

[0045] 5. The surface treatment of the filter material has oleophobicity: the rotary wing type fiber filter material adopting the surface treatment technology has various excellent characteristics such as oleophobicity, and has good running property, is not easy to be entangled, is not easy to knot and is resistant to backwashing.

As shown in FIGS. 7 and 8, the fiber filter element of the present embodiment includes a grid-like substrate 131 fixedly mounted on the periphery of the water outlet pipe, and a fiber group 132 disposed on the grid-like substrate 131.

The grid substrate 131 includes a plurality of pupils 1311 which are arranged in an array to facilitate the winding of the fiber group 132 therein.

[0048] The fiber group 132 includes a plurality of filter fibers 1321, and a plurality of filter fibers 1321 may be entangled to form a fiber group 132 for filtering. In the assembly, the fiber group 132 is continuously passed through the mesh 1311 and fixed to the grid substrate 131. The assembled fiber filter can be secured to the periphery of the outlet pipe in a variety of ways.

[0049] In the present embodiment, one side longitudinal edge of the fiber filter element is fixedly connected to the outer wall of the water outlet pipe 12, so that the fiber filter core is squeezed at the pressing piece 22, so that the portion close to the water outlet pipe 12 is more tight to strengthen the filtration. effect. Of course, the mounting manner of the fiber filter can also be adjusted as needed, for example, by being mounted on the pressure piece 22, as long as it can be fixedly disposed between the pressure pieces 22, and can be pressed or loosened by the pressure piece 22.

[0050] As shown, the drive mechanism includes a lead screw 14 disposed radially in the housing 11 and meshed with the lead screw 14 a nut 15, a connecting member 16 fixedly coupled to the nut 15, and a driving member 17 having a radial driving guide 171

[0051] Wherein, one end of the screw rod 14 is fixed in the outer casing 11, and the other end can extend out of the outer casing 11, and can be mounted with an operating wheel, and the driving wheel inputs power to drive the screw rod 14 to rotate. Of course, the power input source of the screw 14 can also be input by using a motor, a cylinder, or the like.

[0052] The nut 15 is meshed and mounted on the lead screw 14, and the nut 15 is moved in the axial direction of the screw rod 14 by the rotation of the screw rod 14. The connecting member 16 is fixedly coupled to the nut 15, and is driven by the nut 15 to move in the axial direction of the lead screw 14, and the lower end of the connecting member 16 is provided with a guide post 161.

The guide post 161 of the connector 16 is inserted into the drive guide 171 of the drive member 17, and is slidable radially in the drive guide 171. The first end of the driving member 17 is fixedly connected to the turntable 18, and the other end is connected to the guide post 161 through the driving guide 171. After the screw 14 is rotated, the nut 15 is moved to drive the connecting member 16 to move. Since the guide post 161 is inserted into the driving guide 171, under the constraint of the two, the turntable 18 is rotated around the axis of the water pipe 12, and further The side that drives the pressure piece 22 moves around the axis of the water pipe 12.

[0054] The power output of the driving mechanism is transmitted to the pressing piece 22 through the transmission mechanism. In the embodiment of the present invention, the transmission mechanism includes a turntable 18 driven by the driving mechanism to rotate around the axis of the water flow channel, and is fixedly disposed in the outer casing 1 1 Guide plate 19.

[0055] The turntable 18 can be rotatably disposed on the periphery of the water outlet pipe 12 through a bearing or a connecting sleeve or the like, and can be rotated by the driving member 17 to rotate around the axis of the water pipe 12. It can be understood that, in other embodiments, the water outlet pipe 12 can also be rotatably mounted in the outer casing 11 through a bearing, and the water outlet pipe 12 is fixedly connected to the turntable 18, and the water outlet pipe 12 and the turntable 18 are rotated by the driving member 17.

The guide disc 19 is fixedly mounted in the outer casing 11. In the embodiment of the present invention, the outer casing 11 is further provided with a mounting post 21, and the guide disc 19 can be fixedly mounted on the mounting post 21. Further, a radial guide groove 91 is provided on the guide plate 19 to guide one side of the pressing piece 22.

[0057] In order to facilitate the connection of the tablet 22 to the turntable 18 and the mounting plate, each of the pressing pieces 22 includes a first shaft 221 disposed axially and a second shaft 222 as shown. The first shaft 221 is disposed on one side of the axial direction of the pressing piece 22, and is mounted on the turntable 18 to rotate with the turntable 18. The second shaft 222 is disposed at the other end of the pressing piece 22 in the axial direction, and the end of the second circumference is slidably inserted into the guiding groove 191, and guided by the guiding groove 191 for the movement of the second shaft 222.

[0058] Further, as shown, the guide disk 19 may include a plurality of guide disk units disposed in parallel with each other; It should be noted that the turntable 18 is a plurality of turntable units arranged in parallel. The pressing piece 22 is divided into a plurality of tableting units in the axial direction. Correspondingly, the filter element 13 may also include a plurality of sub-filter elements respectively disposed between the respective pressing unit; the first shaft 221 and the second shaft 222 pass through the guiding The disk unit and the turntable unit connect the tablet units. With such a design, the size of the filter element 13 can be adjusted as needed, or the partial filter element 13 can be replaced as needed, thereby reducing the replacement cost and making the use more flexible.

[0059] After the radial fiber filter is used for filtering, the driving screw 14 is rotated to drive the nut 15 to move on the screw rod 14, and the nut 15 drives the connecting member 16 to move; the 吋, in the guiding column 161 and the driving guide Under the cooperation of the groove 171, the driving member 17 is rotated to drive the turntable 18 to rotate around the axis of the water pipe 12.

[0060] After the turntable 18 is rotated, the first shaft 221 is synchronously rotated, thereby pulling the pressing piece 22 to rotate. Thereafter, since the second shaft 222 of the pressing piece 22 is restrained by the guiding groove 191, the two pressing pieces 22 are The distance between the positions near the outlet pipe 12 becomes small, and the filter element 13 between the two pressing pieces 22 is pressed, so that the distance between the filter elements 13 becomes small, as shown in Fig. 5, thereby having a filtering function.

[0061] When the reverse flushing is required, only the reverse driving of the screw 14 is reversed, so that the pressing of the pressing piece 22 can be reversed, so that the distance between the two pressing pieces 22 is increased, thereby further between the filter elements 13. The distance becomes larger, as shown in Fig. 6, the filter element 13 can be rinsed by reverse water injection.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention; A person skilled in the art can freely combine the above technical features without departing from the inventive concept, and can also make several modifications and improvements, which are all within the scope of the present invention; therefore, the rights of the present invention Equivalent transformations and modifications made to the scope of the claims are intended to be included within the scope of the appended claims.

Claims

Claim

A radial fiber filter comprising a casing having a filter chamber, the casing being provided with a water inlet and a water outlet; wherein the radial fiber filter further comprises a filter chamber disposed in the filter chamber a water flow passage communicating with the water inlet and the water outlet, and a filter assembly disposed at a periphery of the water flow passage; the filter assembly includes a filter element, and a pressurizing device that pressurizes or loosens the filter element.

The radial fiber filter according to claim 1, wherein the pressing device comprises a driving mechanism, a transmission mechanism driven by the driving mechanism, and a plurality of pressing sheets distributed around a periphery of the water flow passage;

The filter element comprises a plurality of sets of filter element units, each set of the filter element units being respectively disposed between two adjacent pieces of the pressing piece, the pressing piece being driven by the transmission mechanism to press or loosen the filter element unit .

A radial fiber filter according to claim 2, wherein said transmission mechanism includes a turntable that is rotated by said drive mechanism about an axis of said water flow passage, and a guide disc fixedly disposed in said outer casing ;

The guide disc is provided with a radial guiding groove;

Each of the pressing pieces includes an axially disposed first shaft and a second shaft; the first shaft is mounted on the turntable and rotates with the turntable; the end of the second shaft is slidably inserted Provided in the guiding groove.

A radial fiber filter according to claim 3, wherein said drive mechanism comprises a screw rod radially disposed in said outer casing, a nut that meshes with said screw rod, and is fixed to said nut a connecting connector, and a driving member having a radial driving guide; the connecting member is provided with a guide post radially insertably inserted into the driving guide; the first end of the driving member is fixed to the turntable The driving guide groove is disposed at the other end, and the driving member is driven to rotate by the guiding post to drive the rotating wheel to rotate.

The radial fiber filter according to claim 3, wherein the guide disc is a plurality of guide disc units, and is arranged in parallel; correspondingly, the turntable is a plurality of turntable units, and is arranged in parallel; The tablet is divided into a plurality of tableting units in the axial direction; The first shaft and the second shaft pass through the guide plate unit and the turntable unit to connect the tablet units.

[Claim 6] The radial fiber filter according to claim 3, wherein the housing is further provided with a mounting post for fixed mounting of the guide disc.

[Aspect 7] The radial fiber filter according to any one of claims 3-6, wherein the filter element comprises a plurality of longitudinally disposed fiber filter elements.

[Claim 8] The radial fiber filter according to claim 7, wherein the fiber filter core comprises a grid-like substrate fixedly mounted on a periphery of the water outlet pipe, and a grid-like substrate disposed on the mesh-shaped substrate Upper fiber group;

The grid-like substrate includes a plurality of bores; the fiber group includes a plurality of filter fibers; and the fiber group is continuously passed through the bore to be fixed to the grid-like substrate.

[Claim 9] The radial fiber filter according to claim 8, wherein the water flow passage includes a hollow outlet pipe communicating with the water outlet; and a side wall of the outlet pipe is provided with a water outlet hole

The filter element is disposed at a periphery of the water outlet hole.

[Claim 10] The radial fiber filter according to claim 9, wherein the outlet pipe is a cylindrical pipe, and one end of the cylindrical pipe is connected to the water outlet; A water pipe fixed connection is described; one side longitudinal edge of the fiber filter core is fixedly connected to the outer wall of the water outlet pipe.