CN201632142U - Gradient filtration composite melt blowing filter element - Google Patents
Gradient filtration composite melt blowing filter element Download PDFInfo
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- CN201632142U CN201632142U CN2010203014268U CN201020301426U CN201632142U CN 201632142 U CN201632142 U CN 201632142U CN 2010203014268 U CN2010203014268 U CN 2010203014268U CN 201020301426 U CN201020301426 U CN 201020301426U CN 201632142 U CN201632142 U CN 201632142U
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- blown filter
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- filter
- filter element
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Abstract
The utility model discloses a gradient filtration composite melt blowing filter element comprising a low-density coarse porous melt blowing filter element, a middle-density fine porous melt blowing filter element and a high-density micro-porous melt blowing filter element which are coaxial, have equal height and are sequentially sheathed from outside to inside, the low-density coarse porous melt blowing filter element, the middle-density fine porous melt blowing filter element and the high-density micro-porous melt blowing filter element are all hollow cylinders, a plurality of annular grooves which are uniformly distributed are arranged on the inner surfaces of a core hole of the high-density micro-porous melt blowing filter element, and the melt blowing filter elements in different pore diameters are bonded and combined into a cylindrical composite melt blowing filter element which is tight at inside and sparse at outside. The composite melt blowing filter element has large sewage containing capacity and good filtration effect, and can effectively remove suspended particulate iron rust and other impurities in liquid and prolong the service life of the filter element.
Description
Technical field
The utility model relates to a kind of filter village, refers more particularly to a kind of gradient and filters compound melt-blown filter.
Background technology
In the filtration, purification process, filter core is a filter element commonly used in the decontamination process, but traditional filter core is an individual layer, the filter core aperture is single, can't satisfy the unification for the treatment of capacity and processing accuracy, so, people have adopted the composite filter element technology, with the cartridge combination of two or more different accuracy together, reached the balance for the treatment of capacity and processing accuracy, as China Patent No. CN200910043469.2, name is called the patent of invention of a kind of gradient pore structured titanium filter core and preparation method thereof, being coated with one deck at the sandwich layer skin that with the titanium is raw material is the shell of raw material with the titanium, and the porosity of described shell reaches 70%, and the aperture can surpass 400 μ m, the porosity of described sandwich layer reaches 60%, and the aperture can be lower than 1 μ m.Titanium valve hydride powder sodium chloride powder is mixed back and binding agent mixing granulation, adopt powder injection molding technology altogether, be injected into kernel portion earlier, injection moulding skin again, the feeding difference that double injection is shaped, injection moulding is bad behind degreasing desalination and sintering, obtain goods, this invention solves the problem of core/shell holes gap structure control and bond strength aspect structural design, realize high interfacial bonding strength and can reach controlled pore structure (porosity of core/shell and aperture can at 30-70 and 1400 controlled), but because titanium is a rare metal, cause cost higher, it is bigger to promote difficulty, simultaneously, metal filtering core control in preparation and sintering process is difficult for, and the uniformity in aperture is lower.
The utility model content
It is single that the utility model mainly solves general individual layer filter core aperture, can't satisfy requirement, the filter core short technical problem in service life for the treatment of capacity and processing accuracy simultaneously; Solve the deficiency that the gradient pore structured titanium filter core cost is higher, processing is difficult for, the aperture uniformity is lower simultaneously, provide the gradient that a kind of good filtration effect, filter element life are long, filter opening is big or small evenly, processing cost is low to filter compound melt-blown filter.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
The utility model comprises the coaxial contour and low-density gross porosity melt-blown filter of suit successively from outside to inside, middle density pore melt-blown filter and high density micropore melt-blown filter, described low-density gross porosity melt-blown filter, middle density pore melt-blown filter and high density micropore melt-blown filter are the cylinder of hollow, the external diameter of the internal diameter of described low-density gross porosity melt-blown filter and described middle density pore melt-blown filter is complementary, the endoporus of density pore melt-blown filter and the external diameter of described high density micropore melt-blown filter are complementary in described, the outer surface of the core internal surface of hole of described low-density gross porosity melt-blown filter and middle density pore melt-blown filter is bonding, the outer surface of the core internal surface of hole of density pore melt-blown filter and high density micropore melt-blown filter is bonding in described, by regulating temperature in the process of producing filter core, the size of pressure and extrusion capacity forms the meltblown fibers of different thicknesses and distribution density, and and then form the melt-blown filter in different filter openings aperture, the melt-blown filter in different apertures is bonding be combined into columned in the tight outer compound melt-blown filter of dredging, increased pollutant holding capability, good filtration effect, can effectively remove the impurity such as suspension particulate iron rust in the liquid, prolong the service life of filter core.
As preferably, the filter opening aperture of described low-density gross porosity melt-blown filter is 20 μ m～100 μ m, as pre-filtering layer usefulness, can stop more coarse grained foreign material, prevents down the damage of road coarse filtration layer.
As preferably, described in the filter opening aperture of density pore melt-blown filter be 5 μ m～20 μ m, as coarse filtration layer usefulness, can prolong the service life of the layer of road secondary filter afterwards.
As preferably, the filter opening aperture of described high density micropore melt-blown filter is 0.5 μ m～5 μ m, as last one secondary filter, can reach instructions for use.
As preferably, the core internal surface of hole of described high density micropore melt-blown filter is provided with some equally distributed annular grooves, the axis normal in the plane of described annular groove and described core hole, the design of annular groove, strengthen the intensity of melt-blown filter, prolonged the service life of filter core.
As preferably, the cell body of described annular groove is shaped as semicircle or half elliptic, and processing is simple, and cost of manufacture is low.
The beneficial effects of the utility model are: filter core has the filtering layer that melts and sprays of multilayer different aperture, filter opening size evenly, processing cost is low, the pollutant holding capability of filter core is big, good filtration effect, service life are longer.
Description of drawings
Fig. 1 is a kind of profile schematic diagram of the present utility model.
Fig. 2 is a kind of longitudinal sectional view of the present utility model.
1. low-density gross porosity melt-blown filters among the figure, 2. in density pore melt-blown filter, 3. high density micropore melt-blown filter, 4. high density micropore melt-blown filter core hole, 5. annular groove.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the gradient of present embodiment is filtered compound melt-blown filter, as Fig. 1, shown in Figure 2, comprise the coaxial contour and low-density gross porosity melt-blown filter 1 of suit successively from outside to inside, middle density pore melt-blown filter 2 and high density micropore melt-blown filter 3, low-density gross porosity melt-blown filter 1, middle density pore melt-blown filter 2 and high density micropore melt-blown filter 3 are the cylinder of hollow, the external diameter of the internal diameter of low-density gross porosity melt-blown filter 1 and middle density pore melt-blown filter 2 is complementary, the internal diameter of middle density pore melt-blown filter 2 and the external diameter of high density micropore melt-blown filter 3 are complementary, the outer surface of the core internal surface of hole of low-density gross porosity melt-blown filter 1 and middle density pore melt-blown filter 2 is bonding, the core internal surface of hole of middle density pore melt-blown filter 2 and the outer surface of high density micropore melt-blown filter 3 are bonding, the melt-blown filter suit in three kinds of different apertures and compound melt-blown filter of columned integral body of bonding one-tenth, by regulating temperature in process of production, the size of pressure and extrusion capacity forms the meltblown fibers of different thicknesses and distribution density, and and then form the melt-blown filter in different filter openings aperture, the melt-blown filter in different apertures is bonding be combined into columned in the tight outer compound melt-blown filter of dredging, increased pollutant holding capability, good filtration effect, can effectively remove the impurity such as suspension particulate iron rust in the liquid, prolong the service life of filter core.The filter opening aperture design of low-density gross porosity melt-blown filter 1 is 50 μ m, use as the pre-filtering layer, the foreign material that can stop larger particles, prevent down the damage of road coarse filtration layer, the filter opening aperture design of middle density pore melt-blown filter 2 is 10 μ m, uses as the coarse filtration layer, can prolong the service life of the accurate micropore filtering layer in road, back, the filter opening aperture of high density micropore melt-blown filter 3 is 1 μ m, as last one secondary filter, can reach the filtration requirement.The core internal surface of hole of high density micropore melt-blown filter 3 also has equally distributed annular groove 5 along the core axially bored line, the axis normal in the plane of annular groove 5 and core hole, the cell body of annular groove 5 is shaped as semicircle, processing is simple, cost of manufacture is low, the intensity of melt-blown filter has been strengthened in the design of annular groove 5, has prolonged the service life of filter core.
Claims (6)
1. a gradient is filtered compound melt-blown filter, it is characterized in that: comprise the coaxial contour and low-density gross porosity melt-blown filter (1) of suit successively from outside to inside, middle density pore melt-blown filter (2) and high density micropore melt-blown filter (3), described low-density gross porosity melt-blown filter (1), middle density pore melt-blown filter (2) and high density micropore melt-blown filter (3) are the cylinder of hollow, the external diameter of the internal diameter of described low-density gross porosity melt-blown filter (1) and described middle density pore melt-blown filter (2) will mate, the endoporus of density pore melt-blown filter (2) and the external diameter of described high density micropore melt-blown filter (3) are complementary in described, the outer surface of the core internal surface of hole of described low-density gross porosity melt-blown filter (1) and middle density pore melt-blown filter (2) is bonding, and the core internal surface of hole of described middle density pore melt-blown filter (2) and the outer surface of high density micropore melt-blown filter (3) are bonding.
2. gradient according to claim 1 is filtered compound melt-blown filter, it is characterized in that: the filter opening aperture of described low-density gross porosity melt-blown filter (1) is 20 μ m～100 μ m.
3. gradient according to claim 1 is filtered compound melt-blown filter, it is characterized in that: the filter opening aperture of density pore melt-blown filter (2) is 5 μ m～20 μ m in described.
4. gradient according to claim 1 is filtered compound melt-blown filter, it is characterized in that: the filter opening aperture of described high density micropore melt-blown filter (3) is 0.5 μ m～5 μ m.
5. gradient according to claim 1 is filtered compound melt-blown filter, it is characterized in that: core hole (4) inner surface of described high density micropore melt-blown filter (3) is provided with some equally distributed annular grooves (5), the axis normal in the plane of described annular groove (5) and described core hole (4).
6. gradient according to claim 5 is filtered compound melt-blown filter, it is characterized in that: the cell body of described annular groove (5) is shaped as semicircle or half elliptic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203014268U CN201632142U (en) | 2010-01-25 | 2010-01-25 | Gradient filtration composite melt blowing filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203014268U CN201632142U (en) | 2010-01-25 | 2010-01-25 | Gradient filtration composite melt blowing filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201632142U true CN201632142U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203014268U Expired - Fee Related CN201632142U (en) | 2010-01-25 | 2010-01-25 | Gradient filtration composite melt blowing filter element |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768867A (en) * | 2013-12-27 | 2014-05-07 | 何乐平 | Wound-type deep-layer-filtration filter element and winding device of filter element |
| CN106975274A (en) * | 2017-04-28 | 2017-07-25 | 杭州卧特松环保科技有限公司 | Mono-material gradient filter element |
| CN107149816A (en) * | 2017-05-08 | 2017-09-12 | 上海创治环境科技有限公司 | A kind of reducing gradient PP melt-blown filter materials and its processing method and process equipment |
| CN110812942A (en) * | 2019-12-20 | 2020-02-21 | 严润达 | Sewage trickling treatment device with disc-shaped filter element |
| CN111469323A (en) * | 2020-04-09 | 2020-07-31 | 苏州经结纬面料科技有限公司 | Environment-friendly melt-spraying filter element manufacturing device |
| CN112074657A (en) * | 2018-05-04 | 2020-12-11 | 优美科股份公司及两合公司 | Coated wall-flow filter |
-
2010
- 2010-01-25 CN CN2010203014268U patent/CN201632142U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768867A (en) * | 2013-12-27 | 2014-05-07 | 何乐平 | Wound-type deep-layer-filtration filter element and winding device of filter element |
| CN103768867B (en) * | 2013-12-27 | 2016-05-18 | 杭州大立过滤设备有限公司 | The coiler device of takeup type deep filter element and filter core |
| CN106975274A (en) * | 2017-04-28 | 2017-07-25 | 杭州卧特松环保科技有限公司 | Mono-material gradient filter element |
| CN107149816A (en) * | 2017-05-08 | 2017-09-12 | 上海创治环境科技有限公司 | A kind of reducing gradient PP melt-blown filter materials and its processing method and process equipment |
| CN107149816B (en) * | 2017-05-08 | 2019-11-05 | 上海创治环境科技有限公司 | A kind of variable diameter gradient PP melt-blown filter materials and its processing method and process equipment |
| CN112074657A (en) * | 2018-05-04 | 2020-12-11 | 优美科股份公司及两合公司 | Coated wall-flow filter |
| CN110812942A (en) * | 2019-12-20 | 2020-02-21 | 严润达 | Sewage trickling treatment device with disc-shaped filter element |
| CN111469323A (en) * | 2020-04-09 | 2020-07-31 | 苏州经结纬面料科技有限公司 | Environment-friendly melt-spraying filter element manufacturing device |
| CN111469323B (en) * | 2020-04-09 | 2022-05-31 | 山东仁汇环保科技有限公司 | Environment-friendly melt-spraying filter element manufacturing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20180125 |