CN103331044A - Multi-media filter - Google Patents
Multi-media filter Download PDFInfo
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- CN103331044A CN103331044A CN2013102212132A CN201310221213A CN103331044A CN 103331044 A CN103331044 A CN 103331044A CN 2013102212132 A CN2013102212132 A CN 2013102212132A CN 201310221213 A CN201310221213 A CN 201310221213A CN 103331044 A CN103331044 A CN 103331044A
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- backwash
- filter medium
- medium
- filter
- backwash pipe
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Abstract
The invention discloses a structure type of a multi-media filter, particularly discloses a multi-media filter which can carry out layering backflushing, and solves a phenomenon that an integral backflushing causes turbostratic filtering media. The multi-media filter provided by the invention comprises a shell and at least two layers of filtering media along the length direction of the shell, wherein the shell is also provided with a raw water channel and a pure water channel, and backflushing pipes are arranged among each layer of filtering media. The embodiment of the invention is applied on a filter, particularly a multi-media filter by paving multiple layers of media for multi-layer filtration.
Description
Technical field
The present invention relates to a kind of version of more medium filter, particularly a kind of more medium filter that carries out the layering backwash.
Background technology
More medium filter is that the medium of a kind of different types medium that relies on filter interior filling and different size particles plays impurity and the organic matter in the trap water.
When filled with medium, put just and can play filter effect by the strict layering that varies in size of different media types and media particle, if entanglement has taken place the dielectric layer of putting, then do not have the effect of filtration, more medium filter has also just lost effect.
Disorderly layer takes place in more medium filter, causes after filter uses a period of time to carry out the backwash of big yield often, after layer takes place disorderly more medium filter, medium will be taken out from filter, screens and put again, and workload is big, length consuming time.
Summary of the invention
The problem to be solved in the present invention provides a kind of simple in structure, can carry out the more medium filter of layering backwash.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of more medium filter, comprise housing, and be provided with two-layer filter medium at least along described shell length direction, also be provided with former aquaporin and water purification passage on the described housing, be provided with the backwash pipe between described each layer filter medium.
Improved, described filter medium is followed successively by upper strata filter medium, middle level filter medium and lower floor's filter medium from top to bottom, be provided with the first backwash pipe between described upper strata filter medium and the described middle level filter medium, be provided with the second backwash pipe between described middle level filter medium and the described lower floor filter medium.
Improved, be equipped with Pressure gauge on the described first backwash pipe, the second backwash pipe, former aquaporin and the water purification passage.
Improved, be connected with some backwash arms on the described first backwash pipe and the second backwash pipe.
Improved, the proportion of described upper strata filter medium, middle level filter medium and lower floor's filter medium increases from top to bottom successively.
Beneficial effect of the present invention:
Among the present invention
After adopting technique scheme, the present invention has following advantage: be provided with the backwash pipe between each layer filter medium, when certain one deck filter medium is carried out backwash, backwash water can be respectively enters from the backwash pipe of the bottom of this layer filter medium, after this layer filter medium washed, comes out from the water distribution pipe on top, thereby backwash is carried out in the realization layering, do not influence the filter medium of other layers during backwash, simple in structure, backwash is effective.
These characteristics of the present invention and advantage will be below the specific embodiment, accompanying drawing in detailed exposure
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further:
Fig. 1 is the cut-away view of more medium filter of the present invention.
Fig. 2 is the structural representation of more medium filter of the present invention.
The specific embodiment
The invention provides a kind of more medium filter, comprise housing 1, be provided with two-layer filter medium at least along described housing 1 length direction, also be provided with former aquaporin 5 and water purification passage 6 on the described housing 1, be provided with the backwash pipe between described each layer filter medium.By being arranged at the backwash pipe between the filter medium, backwash water can be directly enters this layer filter medium from the backwash pipe of one deck bottom wherein and washes, backwash water after the flushing is directly gone out from the backwash pipe of this layer filter medium top then, has avoided multilayer to cause the disorderly phenomenon of layer of filter medium together during backwash.
Be explained and illustrated below in conjunction with the accompanying drawing of the embodiment of the invention technical scheme to the embodiment of the invention, but following embodiment is the preferred embodiments of the present invention only, is not whole.Based on the embodiment in the embodiment, those skilled in the art belong to protection scope of the present invention at following other embodiment that obtains of the prerequisite of not making creative work.
As shown in Figure 1, a kind of more medium filter, comprise housing 1, at least be provided with two-layer filter medium along described shell length direction, also be provided with former aquaporin 5 and water purification passage 6 on the described housing 1, be provided with the backwash pipe between described each layer filter medium, former aquaporin 5 is arranged at the top of described housing 1, water purification passage 6 is arranged at the bottom of described housing 1, and an end of backwash pipe is arranged on housing 1 exterior side wall as the entrance of backwash water, and at former aquaporin 5, valve is all installed in the porch of water purification passage 6 and backwash pipe, consider the hydraulic pressure of cost and backwash water, little to the performance requirement of valve, so valve adopts hand-operated valve, carry out opening and closing by Artificial Control, simultaneously, be located between the filter medium on each root backwash pipe of part and all be provided with several flushing holes, the opening of flushing hole is the oblique upper direction.
As preferably, the filter medium of present embodiment has three layers, be respectively upper strata filter medium 2, middle level filter medium 3 and lower floor's filter medium 4, the selection of filter medium filtrate, should adopt adsorption capacity, retaining power is big, aquifer yield is high, effluent quality is good filtrate as far as possible, in the present embodiment, upper strata filter medium 2 adopts the little light filter material of proportion to form, as anthracite, active carbon; The filtrate of middle level filter medium 3 adopts proportion quartz sand placed in the middle to form; The filtrate of lower floor's filter medium 4 is made up of the bigger heavy filtrate of proportion, as magnetic iron ore.Such proportioning has not only guaranteed the interception capacity of filtrate, has guaranteed that to a certain extent more medium filter can not produce disorderly layer phenomenon when carrying out backwash.Simultaneously, between upper strata filter medium 2 and described middle level filter medium 3, be provided with the first backwash pipe 7, be provided with the second backwash pipe 8 between described middle level filter medium 3 and the described lower floor filter medium 4, when upper strata filter medium 2 carries out backwash, close the valve of water purification passage 6 and the second backwash pipe 8, open the valve of the first backwash pipe 7 and former aquaporin 5, has the backwash water of certain hydraulic pressure toward 7 li injections of the first backwash pipe, because the effect of hydraulic pressure, backwash water enters upper strata filter medium 2, upper strata filter medium 2 is washed, and the backwash water after the flushing flows out from former aquaporin 5; To the backwash of middle level filter medium 3 and lower floor's filter medium 4, its principle is consistent with the backwash of upper strata filter medium 2.Present embodiment has fundamentally solved filter medium is carried out backwash and produces the disorderly problem of layer of filter medium.
In order to make the operator can judge the filtering medium layer of required backwash accurately, at the first backwash pipe 7, the second backwash pipe 8, be equipped with Pressure gauge on former aquaporin 5 and the water purification passage 6, because the suction-operated of filter medium, more medium filter is in long-term use, the hydraulic pressure that flows through filter medium is changed, thereby manometric value is changed, during concrete operations, pressure tabular value on the former aquaporin 5 is P1, manometric value on the first backwash pipe 7 is P2, manometric value on the second backwash pipe 8 is P3, manometric value on the water purification passage 6 is P4, when the impurity that adsorbs on each layer filter medium normal filtration or the filter medium does not also influence filtration, P2 and P1, P3 and P2, the variation constant or difference of difference between P4 and the P3 is very little, difference between P2 and P1 alters a great deal, and then needs upper strata filter medium 2 is carried out backwash; Difference between P3 and P2 alters a great deal, and then needs middle level filter medium 3 is carried out backwash; Difference between P4 and P3 alters a great deal, and then needs lower floor's filter medium 4 is carried out backwash.Adopt pressure reduction to change the filtering medium layer that decides backwash, not only can improve backwash efficiency, and save water resource.
Further improvement as the first backwash pipe 7 and the second backwash pipe 8, on the first backwash pipe 7 and the second backwash pipe 8 be located between the filtering medium layer, be connected some backwash arms respectively, the backwash arm that arranges extends on inner walls, backwash water in so feasible inflow filter medium is more even, backwash water is the washing and filtering medium fully, the backwash better effects if.
As shown in Figure 2, water inlet 10 and first backwash outlet, 11 former aquaporin 5, the first backwash imports 12 of connection and second backwash export the 13 connection first backwash pipe, 7, the second backwash imports 14 and are just washing out mouth 15 and be communicated with the second backwash pipe 8, the product mouth of a river 16 connection water purification passages 6.
Be the embodiment of upper strata filter medium backwash below: at first close water inlet 10, second backwash outlet 13, produce the mouth of a river 16, the second backwash import 14 and just washing out mouth 15, open the first backwash import 12 and first backwash outlet 11, then backwash water is poured into from the first backwash import 12, because the hydraulic pressure effect of backwash water self, the upper strata filter medium that backwash water enters the first backwash pipe, 7 tops washes, backwash water after the flushing flows out from first backwash outlet 11, thereby has finished the backwash of many upper stratas filter medium.
Below be the embodiment of middle level filter medium backwash: at first close water inlet 10, the first backwash import 12, first backwash outlet 11, just wash out mouthfuls 15 and produce the mouth of a river 16, open the second backwash import 14 and second backwash outlet 13, then backwash water is poured into from the second backwash import 14, because the hydraulic pressure effect of backwash water self, the middle level filter medium that backwash water enters the second backwash pipe, 8 tops washes, backwash water after the flushing flows out from second backwash outlet 13, thereby has finished the backwash of middle level filter medium.
Because in filter process, there is not the impurity that influences lower floor's filter media in more medium filter in the water of inflow lower floor filter medium, therefore, need not lower floor's filter medium is carried out backwash.
After filter medium carried out backwash, in order to strengthen the backwash effect, completely with the impurity in the filter medium or pollutant removal, also to once just wash, when just washing, the first backwash import 12, first backwash outlet, 11, the second backwash import 14, second backwash outlet 13 and the product mouth of a river 16 are closed, open water inlet 10 and just washing out mouth 15, toward just washing mouthful 10 perfusion the wash waters, flow out from just washing out mouth 15 Deng the wash water, above process is several times finished and is just washed step repeatedly, more medium filter can be come into operation.
The embodiment of the invention is applied to filter, especially utilizes and lays the more medium filter that multilayer dielectricity carries out multiple filtration.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make various changes and distortion according to the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (5)
1. a more medium filter comprises housing, is provided with two-layer filter medium at least along described shell length direction, also is provided with former aquaporin and water purification passage on the described housing, it is characterized in that: be provided with the backwash pipe between described each layer filter medium.
2. more medium filter according to claim 1, it is characterized in that: described filter medium is followed successively by upper strata filter medium, middle level filter medium and lower floor's filter medium from top to bottom, be provided with the first backwash pipe between described upper strata filter medium and the described middle level filter medium, be provided with the second backwash pipe between described middle level filter medium and the described lower floor filter medium.
3. more medium filter according to claim 2 is characterized in that: be equipped with Pressure gauge on the described first backwash pipe, the second backwash pipe, former aquaporin and the water purification passage.
4. more medium filter according to claim 3 is characterized in that: be connected with some backwash arms on the described first backwash pipe and the second backwash pipe.
5. more medium filter according to claim 4 is characterized in that: the proportion of described upper strata filter medium, middle level filter medium and lower floor's filter medium increases from top to bottom successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102212132A CN103331044A (en) | 2013-06-05 | 2013-06-05 | Multi-media filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102212132A CN103331044A (en) | 2013-06-05 | 2013-06-05 | Multi-media filter |
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| Publication Number | Publication Date |
|---|---|
| CN103331044A true CN103331044A (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102212132A Pending CN103331044A (en) | 2013-06-05 | 2013-06-05 | Multi-media filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107708830A (en) * | 2015-06-02 | 2018-02-16 | 尼普顿-班森有限责任公司 | Multilayer dielectricity bed filter with improved backwash |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101732904A (en) * | 2008-11-12 | 2010-06-16 | 湖北中碧环保科技有限公司 | Filter device backwashing system |
| CN202315460U (en) * | 2011-08-18 | 2012-07-11 | 储贻斌 | Multistage filter |
| CN103100244A (en) * | 2013-02-22 | 2013-05-15 | 刘伟 | Multi-medium filter |
| CN103120866A (en) * | 2013-02-06 | 2013-05-29 | 姜汉平 | Compound type biological mechanical filter |
| CN203389384U (en) * | 2013-06-05 | 2014-01-15 | 浙江玉泉环境工程有限公司 | Multi-medium filter |
-
2013
- 2013-06-05 CN CN2013102212132A patent/CN103331044A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101732904A (en) * | 2008-11-12 | 2010-06-16 | 湖北中碧环保科技有限公司 | Filter device backwashing system |
| CN202315460U (en) * | 2011-08-18 | 2012-07-11 | 储贻斌 | Multistage filter |
| CN103120866A (en) * | 2013-02-06 | 2013-05-29 | 姜汉平 | Compound type biological mechanical filter |
| CN103100244A (en) * | 2013-02-22 | 2013-05-15 | 刘伟 | Multi-medium filter |
| CN203389384U (en) * | 2013-06-05 | 2014-01-15 | 浙江玉泉环境工程有限公司 | Multi-medium filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107708830A (en) * | 2015-06-02 | 2018-02-16 | 尼普顿-班森有限责任公司 | Multilayer dielectricity bed filter with improved backwash |
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Application publication date: 20131002 |