CN204121987U - A kind of WPI analyzer and filter thereof - Google Patents
A kind of WPI analyzer and filter thereof Download PDFInfo
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- CN204121987U CN204121987U CN201420522581.0U CN201420522581U CN204121987U CN 204121987 U CN204121987 U CN 204121987U CN 201420522581 U CN201420522581 U CN 201420522581U CN 204121987 U CN204121987 U CN 204121987U
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Abstract
The utility model discloses a kind of WPI analyzer and filter thereof, its middle filtrator comprises docking mutually and is connected and forms upper cover and the subiculum of chamber; Chamber inward flange is provided with sealing ring, is provided with filter membrane in chamber; Being provided with the supporting plate for holding filter membrane below filter membrane, wherein having apopore in supporting plate, this supporting plate and filter subiculum are integrated injection mo(u)lding structure; Supporting plate apopore is filter apopore; Lid inwall is provided with multiple points of water plates on the filter, described each point of water plate origin or beginning is connected with upper cover inlet opening and edge to upper cover inwall extends, and the water inlet of upper cover inlet opening is along point water plate to surrounding radiant type water distribution.The utility model has that structure is simple, cost is low and the advantage of long service life.
Description
Technical field
The utility model relates to a kind of WPI analyzer, particularly a kind of WPI analyzer and filter thereof.
Background technology
WPI SDI (Silt Density Index) value is the main index characterizing counter-infiltration system water inlet pretreating effect, the index of namely the most general in the counter-infiltration system expression fouling membrane ability that is used for, carry out by SDI the quality also can reacting ultrafiltration in water cleaning systems simultaneously, the concentration of suspension and colloidal substance and filtering feature in the water inlet of its integrating representation, the water treatment of present stage, general employing membrane separation technique and counter-infiltration sewage treatment process.WPI analyzer is the instrument for measuring SDI, wherein concrete the filtering with the micropore diameter filter membrane of the pore size filter 0.45 micron adopting standard area of WPI analyzer, to roll off the production line the time t1 required for record filtering 500 ml water at the pressure of constant 0.2MPa, then continue to allow it filter, the time t2 needed for 500ml water sample is filtered after respectively during mensuration filtration T, SDI is calculated by formula S DI=100 (1-t1/t2)/T, as judge influent quality quality according to and judge water inlet film before water quality to the pollution level of film, thus the purifying water effect of the filtering module such as ultrafiltration in water purifier can be detected.Aperture due to ultrafiltration is 0.01 micron, and the diaphragm of test is 0.45 micron, if through those so-called false ultrafiltration, ropy ultrafiltration, then can block the diaphragm of 0.45 micron very soon.Thus simply and fast can be measured the filter effect of the ultrafiltration portion of water purifier by WPI analyzer, whether damage to detect milipore filter in water purifier, the organic film in similar aperture or inoranic membrane.
Generally be made up of water intake ball valve, pressure-regulating valve, Pressure gauge, filter etc. for the WPI analyzer measuring SDI at present.Publication number is that the utility model patent of CN2498608Y discloses a kind of pipe style water pollution index tester, wherein this tester comprises pipe joint, valve, voltage-stablizer, Pressure gauge and filter, filter is made up of upper cover, lower cover and attaching nut thereof, interlaced fastening between cover also forms chamber, arranges filter membrane, porous supporting plate and sealing ring in chamber.Filter membrane in chamber is fixed between two porous supporting plates, for holding the filter membrane in chamber.The filtration device structure of this WPI analyzer is comparatively complicated comparatively speaking, and the filter membrane in chamber needs independent supporting plate to be fixed, and therefore must arrange the supporting plate of this porous in chamber, manufacturing cost is higher.
In filter of the prior art, water enters into the inlet opening of upper cover by water pipe in addition, water in upper cover inlet opening generally passes through the filter membrane in filter with the direction of vertical gravity, therefore uneven by the water distribution of filter membrane, the water that usual filter membrane distributes relative to upper cover water inlet position is maximum, therefore the use of this position of filter membrane is comparatively frequent, cause filter membrane more easy to wear and damage in this position, affect the service life of filter membrane.Moreover in prior art, generally adopt the upper cover of three bolt Fixed-Filter and lower cover, therefore structure is stablized not and is easily produced distortion, thus causes situation appearance such as leaking.
Utility model content
The purpose of this utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of cost low and the filter of the simple WPI analyzer of structure.
Another object of the present utility model is to provide a kind of WPI analyzer comprising above-mentioned filter.
First object of the present utility model is achieved through the following technical solutions: a kind of filter of WPI analyzer, comprises docking mutually and is connected and forms upper cover and the subiculum of chamber; Described chamber inward flange is provided with sealing ring, is provided with filter membrane in chamber; Being provided with the supporting plate for holding filter membrane below described filter membrane, wherein having apopore in supporting plate, this supporting plate and filter subiculum are integrated injection mo(u)lding structure; Supporting plate apopore is filter apopore.
Preferably, described supporting plate is provided with multiple annular ditch groove, wherein with the apopore of supporting plate for the center of circle, described annular ditch groove is distributed on supporting plate in radial mode.
Preferably, lid inwall is provided with multiple points of water plates on the filter, described each point of water plate origin or beginning is connected with upper cover inlet opening and edge to upper cover inwall extends, and the water inlet of upper cover inlet opening is along point water plate to surrounding radiant type water distribution.
Preferably, point water plate number described filter cover inwall arranged is more than 12.
Preferably, be connected between described filter cover and subiculum by bolt, the number of described bolt is more than 4.
Preferably, one of them edge of described filter cover and subiculum is provided with multiple connecting portion, another edge is provided with described connecting portion one_to_one corresponding and fasten with described connecting portion and unclamp be connected button.
Preferably, described upper cover and subiculum are that transparent material makes.
Second object of the present utility model is achieved through the following technical solutions: a kind of WPI analyzer, comprise admitting pipe joint, valve, pressure regulator, Pressure gauge and filter, described admitting pipe joint is connected to the inlet opening of filter by water inlet pipe, wherein water inlet pipe is connected by pipe joint with the opinion of filter inlet opening, described valve, pressure regulator and Pressure gauge are separately positioned on water inlet pipe, wherein the water inlet of pressure regulator and delivery port are connected in water inlet pipe respectively by pipe joint, and described filter delivery port is connected to outlet pipe by pipe joint; Described filter is the above-mentioned filter for realizing disclosed in the first object of the utility model.
Preferably, described pipe joint is snap joint.
Preferably, described water inlet pipe and outlet pipe are flexible pipe.
The utility model has following advantage and effect relative to prior art:
(1) subiculum and filter membrane supporting plate are carried out integrated injection molding by the filter of the utility model WPI analyzer, therefore without the need to arranging separately the supporting plate of filtering membrane of filter in addition, have the advantage that structure is simple and cost is low.
(2) filter of the utility model WPI analyzer is provided with multiple points of water plates on upper cover inwall, by entering the water of upper cover inlet opening to surrounding radiant type cloth, making the distributing equilibrium of water in filter membrane, being more conducive to the work of filter membrane 2; Prevent the water distribution of filter membrane uneven thus the corresponding upper cover water inlet position of filter membrane is used comparatively frequently, causing filter membrane more fragile in this position, thus reduce the defect in filter membrane service life.
(3) be fixed by more than four bolts between the filter cover of the utility model WPI analyzer and subiculum.Therefore the structure of the utility model filter is more firm, and pressure is more tending towards balanced, is more convenient for unloading filter and carries out cleaning and assembling, be also convenient to Fast Installation, and the phenomenon that can reduce distortion and leak.
(4) official's joint that in the utility model WPI analyzer, water inlet pipe and outlet pipe are connected with various piece all adopts snap joint, and water inlet pipe and outlet pipe all adopt flexible pipe, has and is convenient to dismounting, increase versatility and reduces the advantages such as cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the filter of the utility model WPI analyzer.
Fig. 2 is the upward view of the filter cover of the utility model WPI analyzer.
Fig. 3 is the top view of the filter lower cover of the utility model WPI analyzer.
Fig. 4 is the top view of the filter cover of the utility model WPI analyzer.
Fig. 5 is the structural representation of the utility model WPI analyzer.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1, present embodiment discloses a kind of filter of WPI analyzer, comprise docking mutually and be connected and form upper cover 221 and the subiculum 231 of chamber; Chamber inward flange is provided with 0 RunddichtringO 241, is provided with filter membrane 251 in chamber, wherein the pore size filter 0.45 micron of filter membrane.
As shown in Figure 2, the present embodiment filter cover 221 inwall is provided with multiple points of water plates 223, each point of water plate 223 origin or beginning is the edge of upper cover inlet opening, be connected with upper cover inlet opening and edge to upper cover 221 inwall extends, the water inlet of upper cover 221 inlet opening is along point water plate to surrounding radiant type water distribution.Make the distributing equilibrium of water in filter membrane, more be conducive to the work of filter membrane 251, prevent the water distribution of filter membrane uneven thus cause the use of the corresponding upper cover water inlet position of filter membrane comparatively frequent, causing filter membrane more fragile thus reduce the defect in filter membrane service life in this position.Point water plate number wherein the present embodiment middle filtrator upper cover inwall arranged is 12, can certainly be other numbers, select according to actual conditions, with water can on filter membrane respectively equilibrium select for criterion.
As shown in Figure 3, being provided with the supporting plate for holding filter membrane, wherein having apopore 232 in supporting plate below the filter membrane of the present embodiment, this supporting plate and filter subiculum 231 are integrated injection mo(u)lding structure; Supporting plate apopore 232 is the apopore of subiculum, i.e. the apopore of filter.Supporting plate is provided with fine and closely woven annular ditch groove 233, for holding filter membrane 251, wherein with the apopore 232 of supporting plate for the center of circle, annular ditch groove 233 is distributed on supporting plate in radial mode.Water in upper cover plate inlet opening after filter membrane 251 water conservancy diversion in supporting plate, on supporting plate, radial and annular ditch groove 233 collects the water through filter membrane 251, and be pooled in the apopore 232 of supporting plate center, by delivery port 232, the water after membrane filtration discharged.Integral design in the present embodiment between subiculum and supporting plate, enormously simplify the structure of the present embodiment filter.
As described in Figure 4, be connected between the filter cover of the present embodiment and subiculum by bolt 211, wherein the number of bolt is more than 4.Compare the upper cover of employing three bolt Fixed-Filter and the structure of subiculum, the structure of the present embodiment filter is more firm, and pressure is more tending towards balanced, is more convenient for unloading filter and carries out cleaning and assembling, also Fast Installation is convenient to, and the phenomenon that can reduce distortion and leak.The upper cover of the present embodiment middle filtrator and subiculum adopt transparent material to make, and relatively can observe directly the duty of filter membrane.Also can connect in the following manner between upper cover and subiculum in certain the present embodiment, such as: one of them edge of filter cover and subiculum is provided with multiple connecting portion, another edge is provided with described connecting portion one_to_one corresponding and fasten with described connecting portion and unclamp be connected button, this connected mode refer to the sealing between upper cover and subiculum further.
As shown in Figure 5, the present embodiment also discloses a kind of WPI analyzer, comprise admitting pipe joint 101, valve 103, pressure regulator 104, Pressure gauge 105 and filter 2, the filter 2 in the present embodiment WPI analyzer adopts the filter of said structure.
Wherein admitting pipe joint 101 is connected to the inlet opening of filter 2 by water inlet pipe 102, wherein water inlet pipe 102 is connected by pipe joint 108 with the opinion of filter 2 inlet opening, valve 103, pressure regulator 104 and Pressure gauge 105 are separately positioned on water inlet pipe 102, wherein the water inlet of pressure regulator 104 is connected in water inlet pipe by pipe joint, delivery port is also connected in water inlet pipe 102 by pipe joint 106, and filter 2 delivery port is connected to outlet pipe 110 by pipe joint 109.
Pipe joint above-mentioned adopted in the present embodiment is the snap joint of same model, is convenient to dismounting.The water inlet pipe of the present embodiment WPI analyzer and outlet pipe are flexible pipe of the same race in addition, add versatility, decrease cost, reduce price, be convenient to fast in industrial family to the test of water quality, the convenient water purification quality understanding water purifier.
The present embodiment WPI analyzer is connected to sampling of water quality mouth by admitting pipe joint 101, and after valve 103 is opened, tested water flows into water inlet pipe 102 by sampling of water quality mouth.Wherein in WPI analyzer pressure regulator by pressure regulate under the constant voltage of 0.207MPA, make WPI be determined at the constant voltage of 0.207MPA under carry out; When water-quality test, tested water, by filter membrane in filter 2, records the time t1 required for 500 ml waters, then continues water flowing T=15 minute, record by the time t2 required for 500 ml waters again, calculate SDI according to SDI=100 (1-t1/t2)/T.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (10)
1. a filter for WPI analyzer, comprises docking mutually and is connected and forms upper cover and the subiculum of chamber; Described chamber inward flange is provided with sealing ring, is provided with filter membrane in chamber; It is characterized in that: being provided with the supporting plate for holding filter membrane below described filter membrane, wherein having apopore in supporting plate, this supporting plate and filter subiculum are integrated injection mo(u)lding structure; Supporting plate apopore is filter apopore.
2. the filter of WPI analyzer according to claim 1, is characterized in that, described supporting plate is provided with multiple annular ditch groove, wherein with the apopore of supporting plate for the center of circle, described annular ditch groove is distributed on supporting plate in radial mode.
3. the filter of WPI analyzer according to claim 1, it is characterized in that, lid inwall is provided with multiple points of water plates on the filter, described each point of water plate origin or beginning is connected with upper cover inlet opening and edge to upper cover inwall extends, and the water inlet of upper cover inlet opening is along point water plate to surrounding radiant type water distribution.
4. the filter of WPI analyzer according to claim 3, is characterized in that, point water plate number that described filter cover inwall is arranged is more than 12.
5. the filter of WPI analyzer according to claim 1, is characterized in that, is connected between described filter cover and subiculum by bolt, and the number of described bolt is more than 4.
6. the filter of WPI analyzer according to claim 1, it is characterized in that, one of them edge of described filter cover and subiculum is provided with multiple connecting portion, another edge is provided with described connecting portion one_to_one corresponding and fasten with described connecting portion and unclamp be connected button.
7. the filter of WPI analyzer according to claim 1, is characterized in that, described upper cover and subiculum are that transparent material makes.
8. a WPI analyzer, comprise admitting pipe joint, valve, pressure regulator, Pressure gauge and filter, described admitting pipe joint is connected to the inlet opening of filter by water inlet pipe, wherein water inlet pipe is connected by pipe joint with the opinion of filter inlet opening, described valve, pressure regulator and Pressure gauge are separately positioned on water inlet pipe, wherein the water inlet of pressure regulator and delivery port are connected in water inlet pipe respectively by pipe joint, and described filter delivery port is connected to outlet pipe by pipe joint; It is characterized in that, described filter is the filter such as according to any one of claim 1 to 6.
9. WPI analyzer according to claim 8, is characterized in that, described pipe joint is snap joint.
10. WPI analyzer according to claim 8, is characterized in that, described water inlet pipe and outlet pipe are flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522581.0U CN204121987U (en) | 2014-09-11 | 2014-09-11 | A kind of WPI analyzer and filter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522581.0U CN204121987U (en) | 2014-09-11 | 2014-09-11 | A kind of WPI analyzer and filter thereof |
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| Publication Number | Publication Date |
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| CN204121987U true CN204121987U (en) | 2015-01-28 |
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| CN201420522581.0U Active CN204121987U (en) | 2014-09-11 | 2014-09-11 | A kind of WPI analyzer and filter thereof |
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| CN (1) | CN204121987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387390A (en) * | 2018-11-23 | 2019-02-26 | 江苏大学 | A kind of deposit anaerobically incubating device |
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2014
- 2014-09-11 CN CN201420522581.0U patent/CN204121987U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387390A (en) * | 2018-11-23 | 2019-02-26 | 江苏大学 | A kind of deposit anaerobically incubating device |
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