CN103446784A - Filtering element and filter - Google Patents
Filtering element and filter Download PDFInfo
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- CN103446784A CN103446784A CN2013103557811A CN201310355781A CN103446784A CN 103446784 A CN103446784 A CN 103446784A CN 2013103557811 A CN2013103557811 A CN 2013103557811A CN 201310355781 A CN201310355781 A CN 201310355781A CN 103446784 A CN103446784 A CN 103446784A
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- filter
- filter element
- extending longitudinally
- support member
- filter cloth
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Abstract
The invention discloses a filtering element and a filter comprising the filtering element. The filtering element comprises filter cloth for bearing a filtering medium and an elongated supporting piece for supporting the filter cloth, wherein the interior of the supporting piece is of a hollow structure; the exterior of the supporting piece comprises at least three longitudinal extending ribs and a plurality of supporting parts vertically crossed with or obliquely crossed with the longitudinal extending ribs; the distance between the every two adjacent supporting parts is smaller than 20mm. According to the filtering element disclosed by the invention, the filtering medium can fall off easily, the filtering flow is stable, and the service lives of the filter cloth and the supporting piece are prolonged.
Description
Technical field
The present invention relates to a kind of filter element and filter.
Background technology
Candle formula diatomaceous earth filter is a kind of accurate filter that diatomite is filter medium of take, and also can use the mixture of perlite, active carbon or these powder as filter medium.As shown in Figure 1, filter consists of two major parts: filter element 1(is referred to as filter element) and tank body 2, diatomite filter element 1 is installed on dividing plate above tank body 2; After liquid to be filtered 37 enters tank body, through the diatomite filter element, the suspension in liquid is tackled by the diatomite of porous, completes filtration under pressure, and the liquid 38 after filtration flows out from tank body 2 tops.Existing filter element mainly by support frame and filter cloth and fixedly auxiliary form, low cost of manufacture, disposal ability is large, for the light contaminant water filtration treatment such as swimming pool and water paradise, the support component gap of this class filter element is large, can not carry the filter mediums such as diatomite, just be used for supporting its outer filter cloth, filter cloth plays the diatomaceous effect of carrying, this class filter element mainly adopts two kinds of structures, the first is the spring support component that corrosion resistant metal (generally adopting stainless steel) is made, the overcoat filter cloth, the filter element of this structure is spring structure in essence, vertically there is no supporting construction, can produce natural torsion, due to filter element, at filtering tank, be densely arranged, use in filtration and can touch together below filter element in reality, native effect is hung in impact.Simultaneously, during filtration, filter element can be with current shifting in filtering tank, and being attached to its outside filter cloth can be out of shape thereupon, and this will cause diatomite or particles of perlite through filter cloth, enters and pollutes and filter rear water; Another major defect of this structure is because spring structure does not have longitudinal bracing, therefore can only make minor diameter filter element (being generally less than 20mm), with respect to the major diameter filter element, reach the filter element that identical filter area needs greater number, this has just increased manufacture and maintenance difficulty.The second filter element is plastic supporting structure overcoat filter cloth (as shown in Figure 2), its design feature is that support section is by a hollow VERTICAL TUBE, have a plurality of water inlet apertures on VERTICAL TUBE, outer surface cover is comprised of support ring, between each support ring with certain gap arrangement.The problem of existing plastic support elements maximum is that the support ring excesssive gap is large, all more than 100mm, even reach 200mm, the support closeness is inadequate, during work, filter cloth is subject to hydraulic pressure and can caves inward, when this just causes backwash, filter cloth is not easy de-soil, make filter cloth become triangle or polygon simultaneously, prolongation along with the working time, the shape of filter cloth can be solidified, when filter cloth caves inward the triangle that forms or polygon, two cloth can force together, the effective filtration area of filter cloth can reduce, cause filtering velocity to rise, it is large that pressure reduction becomes, filter cloth inwardly shrinks increasing, filtering traffic reduces, this just forms a kind of vicious circle, when limiting case, filter cloth area and filtering traffic can reduce 50%, filter cloth is shunk to reach capacity, thereby can draw filter cloth bad, diatomite can not adhere to, filter can not run well.Existing equipment is when work, for being very difficult for this to happen, in the swimming pool environment for use, every three months need to be pulled down filter element to half a year and be cleaned, for bus's flow water paradise, within 10 days sometimes, will stop up, cleaning brings heavy pressure to operation maintenance.Simultaneously, this cleaning can not guarantee that filter cloth is indeformable, and the service life of filter cloth is often less than 2 years.
Summary of the invention
Technical problem to be solved by this invention is: provide that a kind of filter medium easily comes off, long service life, filter element and filter that filtering traffic is stable.
The present invention includes following technical scheme:
A kind of filter element, comprise filter cloth for carrying filter medium and, for the elongated support member of supporting filter cloth, described support member inside is hollow structure; Described support member outside comprises at least 3 ribs extending longitudinally, and a plurality of and described rib extending longitudinally intersects vertically or tilts crossing support portion; A plurality of intake chambers of the common formation in described at least 3 ribs extending longitudinally and a plurality of support portion; The spacing of adjacent two support portions is less than 20mm.
The spacing of adjacent two support portions is 4-10mm.
The external surface shape of support portion is circle, triangle or polygon.
The material of described support member is corrosion resistant metal material, by wire, is wound around and is welded on the described support portion of formation on described rib extending longitudinally.
The material of described support member is plastics, and described support member is assembled by the mold pressing support units series connection of a plurality of altogether central axis, and each mold pressing support unit comprises at least 3 ribs extending longitudinally, and the support portion intersected vertically with described longitudinal rib.
Described at least 3 ribs extending longitudinally equidistantly distribute.
A kind of filter, comprise above-mentioned filter element.
The filter medium of described filter is diatomite, perlite, active carbon or their mixture.
The present invention compared with prior art has following advantage:
Filter element of the present invention comprises filter cloth and support member, described support member comprises cross-brace and longitudinal bracing, both actings in conjunction form intake chamber, thereby make filter cloth no longer cave in, improved the service life of filter cloth and support member, filter medium easily comes off, and filter area and filtering traffic can not reduce, and has overcome the shortcoming of traditional candle filter filter element part.
The accompanying drawing explanation
The structural representation that Fig. 1 is diatomaceous earth filter.
The structural representation that Fig. 2 is existing filter element.
The structural representation that Fig. 3 is filter element of the present invention.
The enlarged diagram that Fig. 4 is filter element of the present invention.
The cross sectional representation that Fig. 5 is filter element of the present invention.
The specific embodiment
Below just by reference to the accompanying drawings the present invention is described further.
As in Figure 3-5, filter element of the present invention comprise filter medium 35, for the filter cloth 31 that carries filter medium 35, for the elongated support member 32 of supporting filter cloth 31 and for the fixing securing member 41 of filter cloth.By securing member 41, filter cloth 31 is fixed on the outer surface of support member 32.Described filter element bottom lock, top has apopore.Described filter element top is arranged on dividing plate 39, and has packing ring 40 between filter element and dividing plate 39.Described support member 32 inside form hollow structure, can be for example cylindrical cavities 42.Described support member 32 outsides comprise at least 3 ribs extending longitudinally 33, and a plurality of and described rib extending longitudinally intersects vertically or tilts crossing support portion 34.Described at least 3 ribs extending longitudinally 33 and a plurality of intake chambers 36 of a plurality of support portion 34 common formation.Current 37, by after being attached to filter medium 35 filtrations on filter cloth 31, enter cylindrical cavity 42 through intake chamber 36, then by current 38 after the apopore output filtering that is positioned at the filter element top.Described filter medium can be diatomite, perlite, active carbon or their mixture.The support portion shape of cross section can be circular, can be also triangle or polygon.
Preferably, as shown in Figure 5, described rib extending longitudinally is 4, and is spacedly distributed.
The material of described support member can be corrosion resistant metal material, now adopt corrosion resistant metal silk (being generally stainless steel wire) to be wound around and to be welded on described rib extending longitudinally 33 and form described support portion 34, and at its overcoat, filter cloth 31 is arranged, the wire spacing is 3-20mm, take 4-10mm as best, the too little cost of spacing is high, and spacing too greatly filter cloth is out of shape greatly under Water Pressure.
Preferably, the material of described support member is plastics, for example can adopt PVC, UPVC, CPVC, ABS or other plastic material.Preferably, described support member can be assembled by the mold pressing support units series connection of a plurality of altogether central axis, and each mold pressing support unit comprises at least 3 ribs extending longitudinally, and the support portion intersected vertically with described longitudinal rib.Now, described support portion is horizontal support ring.Adopt said structure can reduce manufacturing cost.The spacing of support ring is 3-20mm, and best ring spacing is 4-10mm.Gap is too small, high to manufacture process requirement, be difficult for manufacturing, and affect effective water permeable area of filter cloth, and excesssive gap does not have better supporting filter cloth, and filter cloth easily deforms in best ring spacing scope.
The present invention, by the support member outside, putting filter cloth, plays good support and smooth effect to filter cloth.
The unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (8)
1. a filter element comprises filter cloth for carrying filter medium and, for the elongated support member of supporting filter cloth, it is characterized in that described support member inside is hollow structure; Described support member outside comprises at least 3 ribs extending longitudinally, and a plurality of and described rib extending longitudinally intersects vertically or tilts crossing support portion; A plurality of intake chambers of the common formation in described at least 3 ribs extending longitudinally and a plurality of support portion; The spacing of adjacent two support portions is less than 20mm.
2. filter element as claimed in claim 1, it is characterized in that: the spacing of adjacent two support portions is 4-10mm.
3. filter element as claimed in claim 1 is characterized in that: the external surface shape of support portion is circular, triangle or polygon.
4. filter element as claimed in claim 1, it is characterized in that: the material of described support member is corrosion resistant metal material, is wound around and is welded on described rib extending longitudinally by wire to form described support portion.
5. filter element as claimed in claim 1, it is characterized in that: the material of described support member is plastics, described support member is assembled by the mold pressing support unit series connection of a plurality of central axis altogether, each mold pressing support unit comprises at least 3 ribs extending longitudinally, and the support portion intersected vertically with described longitudinal rib.
6. the described filter element of claim as arbitrary as claim 1 to 5, it is characterized in that: described at least 3 ribs extending longitudinally equidistantly distribute.
7. a filter, is characterized in that, comprises according to the described filter element of the arbitrary claim of claim 1 to 6.
8. filter according to claim 7, is characterized in that, the filter medium of described filter is diatomite, perlite, active carbon or their mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355781.1A CN103446784B (en) | 2013-08-15 | 2013-08-15 | A kind of filter element and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355781.1A CN103446784B (en) | 2013-08-15 | 2013-08-15 | A kind of filter element and filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103446784A true CN103446784A (en) | 2013-12-18 |
| CN103446784B CN103446784B (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310355781.1A Active CN103446784B (en) | 2013-08-15 | 2013-08-15 | A kind of filter element and filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN103446784B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597389A (en) * | 2016-01-12 | 2016-05-25 | 景津环保股份有限公司 | Metal mesh supported filter cloth device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1786125A1 (en) * | 1968-08-20 | 1972-03-30 | Petri Otto Dr Ing | Backwashable filter cartridge |
| DE1611093B1 (en) * | 1967-11-13 | 1973-06-14 | Hoelscher Wolfgang Bernhard Di | FILTER CANDLE |
| JPS51116466A (en) * | 1975-03-22 | 1976-10-13 | Boll & Kirch Filter | Filter tube having almost cylindrical supporter and method and system for manufacturing said supportor |
| DE3238783A1 (en) * | 1981-12-17 | 1983-07-07 | Adolf 6920 Sinsheim Junker | Filter candle |
| CN201094875Y (en) * | 2007-09-19 | 2008-08-06 | 刘钊 | Candle stick type diatomaceous earth filter |
| CN202460252U (en) * | 2011-12-22 | 2012-10-03 | 上海奕韵机械电子有限公司 | Candle filter pipe |
| CN203379651U (en) * | 2013-08-15 | 2014-01-08 | 北京恒动环境技术有限公司 | Filtering component and filter |
-
2013
- 2013-08-15 CN CN201310355781.1A patent/CN103446784B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1611093B1 (en) * | 1967-11-13 | 1973-06-14 | Hoelscher Wolfgang Bernhard Di | FILTER CANDLE |
| DE1786125A1 (en) * | 1968-08-20 | 1972-03-30 | Petri Otto Dr Ing | Backwashable filter cartridge |
| JPS51116466A (en) * | 1975-03-22 | 1976-10-13 | Boll & Kirch Filter | Filter tube having almost cylindrical supporter and method and system for manufacturing said supportor |
| DE3238783A1 (en) * | 1981-12-17 | 1983-07-07 | Adolf 6920 Sinsheim Junker | Filter candle |
| CN201094875Y (en) * | 2007-09-19 | 2008-08-06 | 刘钊 | Candle stick type diatomaceous earth filter |
| CN202460252U (en) * | 2011-12-22 | 2012-10-03 | 上海奕韵机械电子有限公司 | Candle filter pipe |
| CN203379651U (en) * | 2013-08-15 | 2014-01-08 | 北京恒动环境技术有限公司 | Filtering component and filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597389A (en) * | 2016-01-12 | 2016-05-25 | 景津环保股份有限公司 | Metal mesh supported filter cloth device |
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| Publication number | Publication date |
|---|---|
| CN103446784B (en) | 2015-10-28 |
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