CN101856572A - Filter element device of laminated filter - Google Patents
Filter element device of laminated filter Download PDFInfo
- Publication number
- CN101856572A CN101856572A CN201010115864A CN201010115864A CN101856572A CN 101856572 A CN101856572 A CN 101856572A CN 201010115864 A CN201010115864 A CN 201010115864A CN 201010115864 A CN201010115864 A CN 201010115864A CN 101856572 A CN101856572 A CN 101856572A
- Authority
- CN
- China
- Prior art keywords
- filter
- filter element
- element device
- pressure cap
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 3
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 229920003023 plastic Polymers 0.000 claims abstract description 3
- 238000004804 winding Methods 0.000 claims abstract description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 2
- 238000003475 lamination Methods 0.000 abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 4
- 238000001914 filtration Methods 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
- B01D29/46—Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/184—Special form, dimension of the openings, pores of the filtering elements
- B01D2201/186—Pore openings which can be modified
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a filter element device of a laminated filter, which comprises filter strips, a supporting frame, a pressing cap and a pressing cap adjusting mechanism. The filter strips are sheathed at the external part of the supporting frame and are formed by strip sheet bodies with filter tanks on surface, wherein the strip sheet bodies form a continuous cylinder through spiral winding. At least one end of the cylinder is connected with the pressing cap and can inward retract or outward extend along the axis direction of the filter element device under the adjustment through the pressing cap adjusting mechanism. Compared with a single lamination, the invention has the advantages that the production technology can greatly improve the production efficiency, the gate waste produced in the plastic injection process does not exist and the material utilization ratio is greatly improved; and from the angle of washing, the filter element with the structure can enable the two filter surfaces of each lamination to be washed in place. Moreover, since the filter element can be placed in a container for rinsing and pressure water is not used for washing, the washing water can be greatly saved.
Description
Technical field
The invention belongs to the modular construction field of laminated filter, particularly relate to a kind of filter element device of laminated filter.
Background technology
Traditional filter plant generally adopts screen pack to filter, though it has the higher rate of filtration, smaller particles and fiber still can pass filter screen in the water, and if when filtering impurity be stuck in or be wrapped on the filter screen, then be difficult to wash.
Automatically disk piece filter has fully been inherited the advantage of above-mentioned filter, the core of disc filter is the filter bar, the plastics disc mutual superposition that a lot of double-sided belt grooves are arranged, be called laminated filter, just formed various crosspoints between its adjacent disc, these crosspoints constantly dwindle from outside to inside, formed the filter core of crossing that the gradient filter effect is arranged, adopt filter disc gap dynamically changeable when filtration and backwash of this work principle of filter, can improve strainability, can significantly reduce the backwash water consumption again, water consumption is about 0.25% usually.Can regard a composite module as, backwash be take apart fully, the intact close set again of backwash installs.Have the filtering accuracy height, clean fully, advantage such as operating cost is low.
Laminated filter is quite general in the application of developed country, can work and seldom need maintenance accurately and stably because of it under quite harsh service condition and be widely used in irrigation, wastewater treatment, regeneration effluent, municipal water supply, waterworks, big power station, chemical enterprise, reach fields such as case of emergency filtration.
The filter core of at present commercially available laminated filter is made of lamination, bracing frame, pressure cap spring mechanism, backwash water spraying mechanism and back-stop mechanism basically.Lamination wherein is the ring-type thin slice, lamination be distributed with on two surfaces up and down by the lamination center or the groove by the center not.After the multi-disc lamination fits together, between adjacent laminates, constituted a plurality of crosspoints by export-oriented lamination center, each crosspoint is equivalent to a node of filter screen, therefore when water passes through stacked filter core, is equivalent to pass through multistorey strainer mesh.The backwash water spraying mechanism is generally square hollow cavity, on number row's spray orifices are arranged.Lamination stack is on bracing frame, and the upper end compresses with the pressure cap spring mechanism.Its subject matter is complex structure.As the structure of patent No. ZL 200720119022.5,, be provided with a plurality of backwash nozzles for backwash; Patent No. ZL 200620023571.8 is provided with recoil tube, recoil water inlet, hydrodynamic(al) piston and recoil hydrodynamic(al) hole for water spraying, for cleaning and filtering is provided with complicated backwash mechanism.The patent of the patent No. 94236652.5, its lamination diameter is inequality, and tandem becomes Pyramid from top to bottom.Lamination is by injection mold injection moulding at present, the required number of laminations of each filter is above 150, lamination diameter difference just means that needs surpass 150 molds and make lamination, or the method for employing secondary operations, the identical lamination of diameter that injects is cut into diameter a plurality of laminations inequality, but this can waste lot of materials.Above-mentioned filter core also has a common defective, and promptly lamination can not clean up fully.Its reason is, when certain micro-organisms when laminate surface is grown, can produce a kind of emplastic, adjacent laminates is bonded together, during backwash, the water of spray orifice ejection is difficult to the lamination that is bonded together is washed open, causes the lamination that is bonded together to lose water function.After the lamination number that is bonded together increased, the discharge area of filter core reduced, and water resistance increases, and the water yield and hydraulic pressure that (or drip irrigation) nozzle of spraying is downstream provided reduce.
Also have a kind of laminated filter simple in structure on the market, its filter core is made of lamination and bracing frame, does not have pressure cap spring mechanism, backwash hole for water spraying and back-stop mechanism.During flushing, at first unclamp the pressure cap that compresses lamination on the bracing frame, make lamination be in loose condition (of surface), feed water, back flush lamination from filter outlet pipe then.After the flushing, tighten the lamination pressure cap, lamination is fit together.But one needs bigger hydraulic pressure when coming back flush, certainly will need a large amount of water to carry out back flush, and two when coming back flush, and loose lamination tends to take place part under the impact of current folded mutually, makes to wash away not in placely, influences developing result.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, easy to use, easily back flush, and water saving a kind of filter element device of laminated filter efficiently during back flush.
In order to realize the foregoing invention purpose, the technical scheme of employing is as follows:
A kind of filter element device of laminated filter, comprise filter bar, bracing frame, pressure cap, pressure cap guiding mechanism, described filter bar is sleeved on the outside of bracing frame, the filter bar is provided with the belt flake body of lautertuns by the continuous cylinder of spiral winding formation by the surface, described cylindrical at least one end is connected with pressure cap, and can inwardly compress or outwards stretching by the axis direction along filter element device under the adjustment of pressure cap guiding mechanism.
In the technique scheme, a described cylindrical end is fixed on the bottom of bracing frame, and the other end then is positioned at the top of bracing frame, and fixedlys connected with pressure cap.
Further, described filter bar is generated around a helix axis, isodiametric along one by an annulus has certain thickness filter bar, perpendicular to axis direction being anchor ring perpendicular to axis, is distributed with lautertuns on the anchor ring.
Described filter bar is extended along axis direction by a plurality of annulus, has constituted a cylinder ring, and all annulus overall diameters are identical, and all annulus interior diameters are also identical.
Core point of the present invention is to have proposed spiral lamination, and the lamination of this structure need not adopt Shooting Technique production, but adopts extrusion process.Aborning, from extruding machine come out be continuous, be the helical form filter disc on plane around spiral helicine and its cross section in axle center, length is as required cut off the back and is assembled into filter core with bracing frame, pressure cap and hold-down bolt then.Compare with single lamination, this production technology can greatly be enhanced productivity, and does not have the gate waste that produces in the Shooting Technique, improves stock utilization greatly; From angle of washing, the filter core of this structure can make two filtering surfaces of each lamination all can be washed into the position.And owing to can place container to carry out rinsing filter core, and needn't use the water of band pressure to wash, can greatly save flushing water.
Description of drawings
Fig. 1 is a filter bar structural representation of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the structural representation of the present invention under impaction state;
Fig. 4 is the structural representation of the present invention under the back flush state.
The specific embodiment
The present invention is described further below in conjunction with accompanying drawing.
Be spiral wound form filter bar structure of the present invention as shown in Figure 1, have certain thickness filter bar along one around a helix generation axis, isodiametric by an annulus.Perpendicular to axis direction, be anchor ring perpendicular to axis.On anchor ring, be distributed with lautertuns.A principal character of this filter bar is, along axis direction, overall diameter is all identical with interior diameter, has constituted a cylinder ring, and another feature of this filter bar is, can elongate along axis direction, makes each circle flight become equidistantly to be drawn back; Also can be compacted along axis direction, it is compacted to make each circle flight all can not have the gap.
Be structural representation of the present invention as shown in Figure 2, constitute by integral type spiral filter bar 4, bracing frame 3, pressure cap 2, a pressure cap adjusting screw(rod) 1.Filter bar 4 be sleeved on cylindric bracing frame 3 outsides, and compress with pressure cap 2 and pressure cap adjusting screw(rod) 1 after, constitute a hollow, columned filter core.
When screwing pressure cap adjusting screw(rod) 1, pressure cap 2 will be filtered bar 4 along axis direction and compress, and constitute the cylindric filter core of a hollow, and this state is the normal filtration state, as shown in Figure 3.
Be the structure of the present invention under the back flush state as shown in Figure 4, when unclamping pressure cap adjusting screw(rod) 1, and outwards draw back pressure cap 2, filter bar 4 is drawn back, equidistant space occurs between the flight of filter bar, and can determine the size of the spacing between the flight as required.Can clean this moment to filter core, can adopt self-action cleaning structure and method that the filter bar is cleaned, and also can clean by hand.During manual the cleaning, can use water under high pressure to wash, greatly save the water consumption of flushing filter core.
The present invention is under the filtration state, and filter bar 4 is impaction state, and under the flushing state, when unclamping pressure cap 2, and after drawing back filter bar 4, adjacent spiral filter disc is all drawn back, and does not have the spiral filter disc that still fits together.Under artificial the cleaning, needn't use the water of band pressure to wash, a plurality of filters can be placed a container carry out rinsing.
Claims (5)
1. the filter element device of a laminated filter, it is characterized in that comprising filter bar, bracing frame, pressure cap, pressure cap guiding mechanism, described filter bar is sleeved on the outside of bracing frame, the filter bar is provided with the belt flake body of lautertuns by the continuous cylinder of spiral winding formation by the surface, described cylindrical at least one end is connected with pressure cap, and can inwardly compress or outwards stretching by the axis direction along filter element device under the adjustment of pressure cap guiding mechanism.
2. filter element device according to claim 1 is characterized in that an end of described filter bar is fixed on the bottom of bracing frame, and the other end then is positioned at the top of bracing frame, and fixedlys connected with pressure cap.
3. filter element device according to claim 1 and 2, it is characterized in that described filter bar is for having certain thickness filter bar along one around a helix generation axis, isodiametric by an annulus, perpendicular to axis direction being anchor ring, be distributed with lautertuns on the anchor ring perpendicular to axis.
4. filter element device according to claim 3 is characterized in that described filter bar is extended along axis direction by a plurality of annulus, has constituted a cylinder ring, and all annulus overall diameters are identical, and all annulus interior diameters are also identical.
5. filter element device according to claim 1, it is characterized in that described filter strip adoption plastic material is the helical form filter disc on plane from spiral helicine and its cross section continuous, that center on own axle center that extruding machine is extruded, length is as required cut off the back and is assembled into filter element device with bracing frame, pressure cap and hold-down bolt then.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010115864A CN101856572A (en) | 2010-02-11 | 2010-02-11 | Filter element device of laminated filter |
| PCT/CN2010/071035 WO2011097835A1 (en) | 2010-02-11 | 2010-03-15 | Cartridge apparatus of disk-stacked filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010115864A CN101856572A (en) | 2010-02-11 | 2010-02-11 | Filter element device of laminated filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101856572A true CN101856572A (en) | 2010-10-13 |
Family
ID=42942867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010115864A Pending CN101856572A (en) | 2010-02-11 | 2010-02-11 | Filter element device of laminated filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101856572A (en) |
| WO (1) | WO2011097835A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480188A (en) * | 2013-09-29 | 2014-01-01 | 广东联塑科技实业有限公司 | Lamination type filter |
| CN105597408A (en) * | 2014-11-19 | 2016-05-25 | 奥源科技有限公司 | Filtering membrane bracket |
| CN110769912A (en) * | 2017-06-02 | 2020-02-07 | 北欧水产品公司 | Filter disc |
| CN113546461A (en) * | 2021-08-30 | 2021-10-26 | 中国航发贵阳发动机设计研究所 | Screw thread fuel oil filter structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115414720B (en) * | 2022-08-29 | 2024-04-16 | 西北农林科技大学 | Lamination filter for adjusting lamination tightness by utilizing motor and control system thereof |
| CN117357943B (en) * | 2023-12-07 | 2024-03-08 | 广州中科碧疆环保科技有限公司 | Sewage treatment equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63252516A (en) * | 1987-04-09 | 1988-10-19 | Agency Of Ind Science & Technol | Filter |
| JPH0661413B2 (en) * | 1988-02-16 | 1994-08-17 | 信一 中村 | filter |
| JPH0286807A (en) * | 1988-02-22 | 1990-03-27 | Masahito Okuda | Production of filter element and filter device |
| CN2332460Y (en) * | 1998-03-31 | 1999-08-11 | 周传禄 | Cup-shape filter screen |
| CN2875559Y (en) * | 2006-02-24 | 2007-03-07 | 河北科技大学 | Back flushing lamination type filter for microfilling |
| CN201179375Y (en) * | 2008-02-19 | 2009-01-14 | 杨高利 | Elastic lamination filter with adjustable accuracy |
| CN201357011Y (en) * | 2009-02-05 | 2009-12-09 | 厦门翔丰节水设备有限公司 | Laminated type filter |
-
2010
- 2010-02-11 CN CN201010115864A patent/CN101856572A/en active Pending
- 2010-03-15 WO PCT/CN2010/071035 patent/WO2011097835A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480188A (en) * | 2013-09-29 | 2014-01-01 | 广东联塑科技实业有限公司 | Lamination type filter |
| CN105597408A (en) * | 2014-11-19 | 2016-05-25 | 奥源科技有限公司 | Filtering membrane bracket |
| CN105597408B (en) * | 2014-11-19 | 2017-12-15 | 上海上阳流体科技有限公司 | Filtration membrane cartridge |
| CN110769912A (en) * | 2017-06-02 | 2020-02-07 | 北欧水产品公司 | Filter disc |
| CN110769912B (en) * | 2017-06-02 | 2022-02-08 | 北欧水产品公司 | Filter disc, filter cartridge for use in a filter disc and method of reducing disturbances in a filter disc |
| CN113546461A (en) * | 2021-08-30 | 2021-10-26 | 中国航发贵阳发动机设计研究所 | Screw thread fuel oil filter structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011097835A1 (en) | 2011-08-18 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20101013 |