CN205055824U - Liquid filter assembly - Google Patents
Liquid filter assembly Download PDFInfo
- Publication number
- CN205055824U CN205055824U CN201520728829.3U CN201520728829U CN205055824U CN 205055824 U CN205055824 U CN 205055824U CN 201520728829 U CN201520728829 U CN 201520728829U CN 205055824 U CN205055824 U CN 205055824U
- Authority
- CN
- China
- Prior art keywords
- filter
- posting
- film
- liquid
- membrane
- 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.)
- Active
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a liquid filter assembly, the membrane bone frame that the film positioning frame connected including two at least successive layer coincide is constituteed, the tow sides of every film positioning frame are equipped with filtration membrane respectively, and every film positioning frame constitutes a confined cavity filter rather than last filtration membrane jointly, is equipped with the through -hole that link up the cavity filter on every film positioning frame, and the cavity filter outside that is located the most first and tail all coincide is connected with the curb plate, is equipped with first passageway between two adjacent cavity filters, be equipped with the second channel between curb plate and the adjacent cavity filter. The utility model discloses increased liquid filter assembly's filter area effectively, waited to filter the liquid runner and filtered that the liquid runner is crisscross to be set up inside liquid filter assembly, made the utility model discloses the structure is more exquisite to make liquid filter assembly installation space reduce, in addition the utility model discloses thereby another big advantage is the easy filter effect that remains stable that washs.
Description
Technical field
The utility model relates to liquid filtering field, is specifically related to a kind of liquid filter assemblies.
Background technology
Liquid filtering refers to that impure liquid flows through the filter medium with certain porosity, and the impurity in liquid is trapped within dielectric surface or inner and remove.Liquid filter assemblies is substantially the most also most important component units in sedimeter, and it comprises filter medium and certain construction package.At present, existing liquid filtering filter core mainly comprises following a few class: the first kind is sintering column filter core, and this kind of filter core is generally the column filter core that sintering metal, sintered plastics or porous ceramics are formed; Equations of The Second Kind is folded filter core, and this kind of filter core is made up of rigid material bracing frame and the pleated filter medium of single or multiple lift, and filter medium is generally by cellulosic filter paper, nonwoven filter media or film.There is following problem in above-mentioned two kinds of liquid filtering filter cores: above-mentioned first kind liquid filtering filter core is column filter core, such as column cross-flow filtration filter core or column end-filtration filter core, and filter medium was around column filter core one week, and its filter area is restricted; Above-mentioned Equations of The Second Kind liquid filtering filter core is folded filter core, pleated single or multiple lift filter medium increases the filter area of filter core to a certain extent, but the impurity filtering interception is easily deposited on the pleated inside of filter core, after filtering a period of time, the filter efficiency of liquid filtering filter core significantly declines, backwash is adopted also to be difficult to the impurity removing pleated inside, in addition, folded filter core requires filter medium character softness thus is conveniently processed into pleated shape, therefore the working strength of this type of filter core is often not high yet, and service life is shorter.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of effective increase filter area and the liquid filter assemblies keeping stable filter effect.
In order to solve the problems of the technologies described above, the utility model realizes by the following technical solutions:
The utility model liquid filter assemblies comprises the membrane bone frame of the film posting composition of at least two successively superimposed connections, the tow sides of each film posting are respectively equipped with filter membrane, each film posting and the filter membrane on it form a closed hollow filter plate jointly, each film posting is provided with the through hole of through hollow filter plate, the all superimposed side plate that is connected with outside the hollow filter plate being positioned at the most first and tail, be provided with first passage between two adjacent hollow filters, between described side plate and adjacent hollow filter, be provided with second channel.In the utility model, film posting and the filter membrane arranged thereon can be regarded as the component units of a liquid filter assemblies, namely above-mentioned hollow filter plate, the superimposed connection of at least two membrane bone framves makes at least two superimposed connections of hollow filter plate, and namely liquid filter assemblies is by least two superimposed connections of hollow filter plate.The utility model comprises the passage of two classes for fluid circulation, the first kind is hollow filter intralamellar part region and is arranged on film posting and the fluid passage that jointly forms of the through hole of through hollow filter plate, Equations of The Second Kind is be arranged at hollow filter plate first passage each other, user can select first kind fluid circulating area or Equations of The Second Kind fluid circulating area according to actual needs as liquid to be filtered runner or filter liquide runner, no matter adopt which kind of filter type above-mentioned, two liquid filtering faces can be ensured in each hollow filter plate, therefore the filter area of liquid filter assemblies is effectively increased, liquid to be filtered runner and filter liquide runner are crisscross arranged inner in liquid filter assemblies, make the utility model structure more exquisite, thus liquid filter assemblies installing space is reduced.In addition, another large advantage of the utility model is easy cleaning thus keeps stable filter effect, and on the one hand, the utility model entirety is formed by connecting for hollow filter plate is superimposed, the dead angle of the rare difficulty cleaning of plate-type filtering filter core, is easy to the filter cake washed on filter membrane by backwash; On the other hand, in the utility model, liquid to be filtered runner and filter liquide runner form liquid cross-flow filtration structure, and liquid to be filtered also can wash away and take away a part of filter cake on filter membrane in the process of circulation thus.The side plate of superimposed connection on the film posting of the most first and tail of membrane bone frame, second channel is provided with between described side plate and adjacent hollow filter, similar is provided with equally in the second channel of first passage on the one hand between described side plate, increase the feed liquor volume of hollow filter plate outside and the filter area of hollow filter plate, on the other hand prevent the effect that liquid to be filtered/filter liquide is excessive, make further the utility model structure and filter effect more stable.
As the further improvement of aforesaid liquid filter assemblies, described film posting is rectangular frame, and described through hole is positioned on an opposite side of film posting, and the described opposite side that is all parallel to of described first passage and second channel is arranged.In the structure that this improves further, first passage and second channel conducting be anti-parallel on an opposite side at through hole place, the channel vertical formed from the hollow filter plate that the through hole be namely positioned at another angle film posting one opposite side is through with it is in described first passage, thereby eliminate liquid to be filtered and the mutual interference of filter liquide in the process of circulation, the mounting structure that liquid filter assemblies in the utility model is installed in filter is simpler, reduce installation difficulty, decrease installation cost.
Further, between adjacent membranes posting and film posting be connected with all adopting screw between side plate and be provided with hermetically-sealed construction.The utility model adopts screw to be connected with the consideration of two aspects, and on the one hand, screw connects easily to be installed and dismounting relative to other connected mode, is convenient to the later stage carry out deep clean to single hollow filter plate or change maintenance; On the other hand, it is little that screw connects difficulty of processing, and processing cost is lower.When adopting screw connecting mode, it should be noted that and be provided with hermetically-sealed construction between film posting and between film posting and side plate, thus prevent liquid filtering filter core internal liquid excessive.
Further, two row's screw mounting holes are respectively equipped with on a described opposite side of film posting and on the corresponding with it position of side plate, screw mounting hole on membrane bone frame internal membrane posting is alternately connected with a rear film posting with last film posting along two row's the vertical or horizontal of screw mounting hole, membrane bone frame is the most first to be connected with side plate with remaining screw mounting hole on the film posting of tail, is equipped with the sealing gasket mounting groove being provided with sealing gasket between adjacent membranes posting and between film posting and side plate.What structurally adopt due to membrane bone frame of the present utility model is the superimposed connected modes of multiple film postings, therefore connect with screw realize membrane bone frame successively superimposed time preferably by the screw arranged in dislocation between film posting, film posting before and after being used for connecting with this, side plate is then according on the corresponding film posting being installed on the most first and tail of the membrane bone frame after shaping.In this improves further, applicant proposed two kinds of screw arranged in dislocation modes, one is longitudinally dislocation, and the screw mounting hole namely on film posting connects previous film posting and a rear film posting alternately through screw; Another kind is transversion malposition, be namely arranged on film posting two row screw mounting holes wherein a row be connected by screw previous film posting, another row is connected by screw a rear film posting.
Further, described film posting tow sides inner ring is provided with the filter membrane locating surface of step planar for one week, described filter membrane is arranged on filter membrane locating surface, two adjacent filter membrane locating surfaces and each on filter membrane jointly form first passage, filter membrane locating surface and the filter membrane on it and adjacent side plate form second channel jointly.Film posting inner ring adopts the structure of step surface for one week, and make between two adjacent film postings and form certain gap between film posting and side plate, namely above-mentioned first passage and second channel, circulate thus for liquid.Filter membrane locating surface facilitates filter membrane in the utility model process accurately to locate, and improves working (machining) efficiency.
Its inside each film posting is provided with to the bracing frame of at least one fixing tow sides filter membrane, hollow filter intralamellar part is divided into independent flow passage by bracing frame, and the through hole on film posting is each independent flow passage through respectively.Above-mentioned bracing frame plays the effect in two in the utility model, on the one hand, filter membrane deforms unavoidably when being subject to fluid scouring for a long time, here fluid scouring comprises the fluid scouring be subject in filter process, and the fluid scouring be subject in backwash process, therefore need, at the bracing frame of the inner extension supporting filter membrane of film posting, to facts have proved, the hollow filter plate filter effect having additional bracing frame is more stable, longer service life; On the other hand, hollow region in hollow filter plate is divided into independent flow passage by bracing frame, the liquid flowing out/flow in plate is divided into some tributaries, from the angle of filter effect, independent flow passage makes liquid filtering more even, from the angle of liquid communication, independent flow passage has guide effect in liquid communication process, which thereby enhances the circulation efficiency of liquid.
For above-mentioned bracing frame, round bar shape can be preferably, be linear contact lay when adopting the object of round bar shape to be that filter membrane fixed by bracing frame herein and between filter membrane, round bar shape is compared to other shape, such as say square, much smaller with the contact area of filter membrane, too much influence can not be produced to the filter effect of filter membrane.
Further, described film posting, side plate and bracing frame are formed by metal material, described filter membrane is the porous metal film of sheet, support frame as described above two ends are welded on film posting, bracing frame main body is welded on the double-edged filter membrane of film posting, and the corresponding continuous welding of described porous metal film periphery is on filter membrane locating surface.The film posting of metal material, the working strength of side plate and filter membrane is high compared with other filter core material working strength, porous metal film herein can select sintered porous metal film, such as the applicant's application number flexible, porous metal forming that to be flexible, porous metal forming in 201510153116.3 earlier applications or application number be in 201410609038.9 earlier applications, need in the utility model process to ensure that filter membrane is that continuous welding is on locating surface, the object of continuous welding is to avoid forming seam at locating surface place, ensure the sealing effectiveness of liquid filter assemblies thus.
Further, described first passage and second channel are the stoste chamber of circulating for liquid to be filtered, and described through hole and through hollow filter intralamellar part hollow region thereof are the clear liquid chamber for filter liquide circulation.The filter type of liquid in this kind of structure goes out formula outward in entering, namely liquid enters inner outflow from hollow filter outside, when the advantage of this kind of mode is to filter, impurity is intercepted at the outside of hollow filter plate, the filter cake formed after filtering a period of time rests on the outside of hollow filter plate, facilitates later stage cleaning hollow filter.
Further, the filtration flux of described porous metal film pure water under the filtration pressure difference of 1kpa is 1 ~ 2t/ ㎡ h, and the average pore size of porous metal film is 1 ~ 4 μm, and described stoste chamber is 1 ~ 1.5mm along the width in liquid filtering direction.Filtration flux described here refers to general said membrane flux, and the applicant is drawn by test, and under the condition of the structure of this improvement, the filter effect of the utility model liquid filter assemblies reaches best.
The utility model adopts said structure increase effectively filter area and keep stable filter effect.
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Fig. 3 is the sectional view of the utility model along A-A line in Fig. 2.
Fig. 4 is the structural representation of film posting in the utility model and bracing frame.
Fig. 5 is fundamental diagram of the present utility model.
Detailed description of the invention
As depicted in figs. 1 and 2, it is overall rectangular hollow filter and the side plate 130 being connected to these former and later two faces of entirety by screw 410 that the utility model liquid filter assemblies comprises two by the superimposed connection of screw 410, hollow filter plate both sides all have waist typed through hole 120, the through hollow filter plate of both sides waist typed through hole 120 forms fluid passage, in the present embodiment using this passage as the circulation passage filtering gained clear liquid, in the circulation passage vertical direction of above-mentioned clear liquid, the first passage 140 of stoste circulation to be filtered is provided with between hollow filter plate, hollow filter plate and side plate 130 are provided with structure and the similar second channel 160 of first passage 140, described first passage 140 and second channel 160 are the stoste chamber of circulating for liquid to be filtered, described waist typed through hole 120 and through hollow filter intralamellar part hollow region thereof are the clear liquid chamber for filter liquide circulation.Direction in FIG indicated by horizontal arrow is the direction that clear liquid flows out, and the direction indicated by vertical arrow is the direction of stoste flowing.
Fig. 3 be in Fig. 2 the utility model liquid filter assemblies along the sectional view of A-A line, as shown in Figure 3, hollow filter plate is by film posting 110 and be arranged at film posting 110 tow sides sheet-like filter film 2 and form, namely described waist typed through hole 120 is arranged on film posting 110, sealing gasket 510 is provided with between film posting 110 and between film posting 110 and side plate 130, sealing gasket 510 selects O RunddichtringO herein, from Fig. 3, indicate the first passage 140 of stoste again between hollow filter plate flow into, horizontal arrow indicated direction is the direction of the outflow of clear liquid, both flow directions are vertical, as shown in Figure 4, film posting 110 interior parallel parallel interval on an opposite side of film posting 110 is provided with seven bracing frames 3, each bracing frame 3 is pole shape and fixing double-edged filter membrane 2, two row's screw mounting holes 420 are equipped with on a described opposite side of film posting 110 and on the corresponding with it opposite side of side plate 130, screw mounting hole 420 on membrane bone frame internal membrane posting 110 is alternately connected with a rear film posting 110 with last film posting 110 along the longitudinal direction of two row's screw mounting holes 420, membrane bone frame is the most first to be connected with side plate 130 with remaining screw mounting hole 420 on the film posting 110 of tail, sealing mounting groove 520 is equipped with between adjacent membranes posting 100 and between film posting 110 and side plate 130, described sealing mounting groove 520 inside is provided with sealing gasket 510.
Composition graphs 3 Fig. 4 also can find out that hollow filter intralamellar part is divided into eight independent flow passage a by seven bracing frames 3, waist through hole 120 is equal along the length of described a pair edge direction with independent flow passage a along the length of described a pair edge direction, and bracing frame 3 plays the effect supporting filter membrane and guiding drainage clear liquid in the utility model simultaneously.The inner ring of each film posting 110 is provided with filter membrane locating surface 150 in one week, corresponding filter membrane 2 sealing is arranged on filter membrane locating surface 150, filter membrane locating surface 150 is step surface relative to film posting 110 side face, the step surface of adjacent membranes posting 110 forms first passage 140 jointly, the inner face of step surface and side plate 130 forms second channel 160 jointly, due to film posting 110 in this specific embodiment, bracing frame 3 and side plate 130 are all adopt corrosion resistant metal material to make, the two ends of bracing frame 3 are welded in film posting 110, filter membrane 2 adopts the applicant's application number to be that flexible, porous metal forming in the earlier application of 201410609038.9 is made, filter membrane 2 is welded on filter membrane locating surface 150 by the mode of continuous welding, ensure the sealing property of liquid filter assemblies thus, the flexible, porous metal forming herein selected is the thin slice that the metal polyporous material being base phase by solid solution alloy is formed, the thickness of thin slice is 5 ~ 200 μm, average pore size is 1 ~ 4 μm, porosity is 15 ~ 70%, it is high that this thin slice has filtering accuracy, filtration resistance is little, working strength advantages of higher, the liquid filter assemblies strainability that it is formed is more excellent, the filtration flux of described porous metal film pure water under the filtration pressure difference of 1kpa is 1 ~ 2t/ ㎡ h, described stoste chamber is 1 ~ 1.5mm along the width in liquid filtering direction, under above-mentioned a series of condition, the utility model liquid filter assemblies can reach optimum filtration effect.
According to the quantity of different demand adjustable film posting in practical operation, when applying to filter, device is inner can liquid filter assemblies in multiple the utility model in parallel, and operation principle of the present utility model is as follows:
Be illustrated in figure 5 fundamental diagram of the present utility model, described first passage and second channel stoste import department and stoste exit are all connected to form upper stoste end-fitting 610 and lower stoste end-fitting 630 with the seal for pipe joints of a fixed structure, two side through hole and hollow filter intralamellar part form clear liquid circulation road and the seal for pipe joints of a fixed structure be connected to form right clear liquid end-fitting 620 and left clear liquid end-fitting 640, upper stoste end-fitting 610 is connected circulating pump 8 with lower stoste end-fitting 630 by stoste runner pipe 710, right clear liquid end-fitting 620 is connected recoil pump 9 with left clear liquid end-fitting 640 by clear liquid runner pipe 720, the water side of clear liquid runner pipe 720 is connected with clear liquid gathering-device 10.
During filtration, ON cycle pump, passes into element kit by stoste with certain pressure, and clear liquid end is communicated with air, form certain filter pressure in filter membrane surface thus poor, the clear liquid end infiltration of stoste to filter membrane under the effect of filter pressure difference obtains clear liquid and is collected.Stoste forms cross-flow campaign with certain speed in the flowing of film surface simultaneously, decreases and is filtered the accumulation of thing on film surface, increases filter life.The effect that cross-flow is rinsed depends on the flow rate of stoste on film surface, flow rate amasss decision by the cross section of fluid channel of circulation pump power and first passage and second channel, the gap width of first passage and second channel is ensured in this structure, object is exactly to ensure the flow rate of stoste in stoste chamber, ensures cross flow effects.After filtering one end time, be filtered thing inevitably at film surface sediment blocking filter opening, and form filter cake gradually, filter efficiency is reduced, now close circulating pump, open recoil pump, clear liquid leads to clear liquid chamber under certain pressure and speed, rinses from the clear liquid end of film toward stoste direction (opposite direction of filtration), thus blocked filter opening is dredged, filter efficiency is recovered, and now can again filter, so repeatedly.
Claims (10)
1. liquid filter assemblies, it is characterized in that, the membrane bone frame that the film posting (110) comprising at least two successively superimposed connections forms, the tow sides of each film posting (110) are respectively equipped with filter membrane (2), each film posting (110) and the filter membrane (2) on it form a closed hollow filter plate jointly, each film posting (110) is provided with the through hole (120) of through hollow filter plate, all superimposedly outside the hollow filter plate being positioned at the most first and tail be connected with side plate (130), first passage (140) is provided with between two adjacent hollow filters, second channel (160) is provided with between described side plate (130) and adjacent hollow filter.
2. liquid filter assemblies as claimed in claim 1, it is characterized in that, described film posting (110) is rectangular frame, described through hole (120) is positioned on an opposite side of film posting (110), and described first passage (140) and second channel (160) are all parallel to a described opposite side and arrange.
3. liquid filter assemblies as claimed in claim 2, it is characterized in that, between adjacent membranes posting (110) and between film posting (110) with side plate (130), all adopt screw (410) be connected and be provided with hermetically-sealed construction.
4. liquid filter assemblies as claimed in claim 3, it is characterized in that, on a described opposite side of film posting (110) and the corresponding with it position of side plate (130) is respectively equipped with two row's screw mounting holes (420), screw mounting hole (420) in membrane bone frame internal membrane posting (110) is along vertical or horizontal being alternately connected with a rear film posting (110) with last film posting (110) of two rows' screw mounting hole (420), membrane bone frame is the most first to be connected with side plate (130) with the upper remaining screw mounting hole (420) of the film posting (110) of tail, sealing mounting groove (520) is equipped with between adjacent membranes posting (110) and between film posting (110) and adjacent side plate (130), described sealing mounting groove (520) inside is provided with sealing gasket (510).
5. liquid filter assemblies as claimed in claim 1, it is characterized in that, described film posting (110) tow sides inner ring is provided with the filter membrane locating surface (150) of step planar for one week, described filter membrane (2) is arranged on filter membrane locating surface (150), two adjacent filter membrane locating surfaces (150) and each on filter membrane (2) jointly form first passage (140), filter membrane locating surface (150) and the filter membrane on it (2) form second channel (160) jointly with adjacent side plate (130).
6. liquid filter assemblies as claimed in claim 5, it is characterized in that, the bracing frame (3) of at least one fixing tow sides filter membrane (2) is provided with in each film posting (110), hollow filter intralamellar part is divided into independent flow passage (a) by bracing frame (3), and the through hole (120) on film posting (110) is each independent flow passage (a) through respectively.
7. liquid filter assemblies as claimed in claim 6, it is characterized in that, support frame as described above (3) is round bar shape.
8. liquid filter assemblies as claimed in claim 6, it is characterized in that, described film posting (110), side plate (130) and bracing frame (3) are formed by metal material, the porous metal film that described filter membrane (2) is sheet, support frame as described above (3) two ends are welded on film posting (110), bracing frame (3) main body is welded on film posting (110) double-edged filter membrane (2), and the continuous welding of described porous metal film periphery is on filter membrane locating surface (150).
9. liquid filter assemblies as claimed in claim 8, it is characterized in that, described first passage (140) and second channel (160) are the stoste chamber of circulating for liquid to be filtered, and described through hole (120) and through hollow filter intralamellar part hollow region thereof are the clear liquid chamber for filter liquide circulation.
10. liquid filter assemblies as claimed in claim 9, it is characterized in that, the filtration flux of described porous metal film pure water under the filtration pressure difference of 1kpa is 1 ~ 2t/ ㎡ h, and the average pore size of porous metal film is 1 ~ 4 μm, and described stoste chamber is 1 ~ 1.5mm along the width in liquid filtering direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728829.3U CN205055824U (en) | 2015-09-18 | 2015-09-18 | Liquid filter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728829.3U CN205055824U (en) | 2015-09-18 | 2015-09-18 | Liquid filter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205055824U true CN205055824U (en) | 2016-03-02 |
Family
ID=55382428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520728829.3U Active CN205055824U (en) | 2015-09-18 | 2015-09-18 | Liquid filter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205055824U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413198A (en) * | 2017-06-01 | 2017-12-01 | 成都易态科技有限公司 | The filter of filtering film component and its composition |
| CN108525522A (en) * | 2018-06-20 | 2018-09-14 | 邢传宏 | A kind of flat-membrane element support component and flat-membrane element |
| CN110573932A (en) * | 2017-06-06 | 2019-12-13 | 苹果公司 | Optical system for electronic device with display |
| CN111905570A (en) * | 2020-07-14 | 2020-11-10 | 同济大学 | Cross flow-terminal filtration multipurpose metal membrane tank type filtering device |
| CN113491895A (en) * | 2020-03-21 | 2021-10-12 | 芜湖美的厨卫电器制造有限公司 | Filter element assembly, filter and water heater |
-
2015
- 2015-09-18 CN CN201520728829.3U patent/CN205055824U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413198A (en) * | 2017-06-01 | 2017-12-01 | 成都易态科技有限公司 | The filter of filtering film component and its composition |
| CN110573932A (en) * | 2017-06-06 | 2019-12-13 | 苹果公司 | Optical system for electronic device with display |
| US11740467B2 (en) | 2017-06-06 | 2023-08-29 | Apple Inc. | Optical systems for electronic devices with displays |
| CN108525522A (en) * | 2018-06-20 | 2018-09-14 | 邢传宏 | A kind of flat-membrane element support component and flat-membrane element |
| CN108525522B (en) * | 2018-06-20 | 2023-11-10 | 邢传宏 | Support element for flat membrane element and flat membrane element |
| CN113491895A (en) * | 2020-03-21 | 2021-10-12 | 芜湖美的厨卫电器制造有限公司 | Filter element assembly, filter and water heater |
| CN111905570A (en) * | 2020-07-14 | 2020-11-10 | 同济大学 | Cross flow-terminal filtration multipurpose metal membrane tank type filtering device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205055824U (en) | Liquid filter assembly | |
| CN102172477B (en) | Combined honeycomb ceramic membrane filtering element | |
| CN102512963A (en) | Supporting plate for flat membrane elements as well as flat membrane elements and flat membrane components | |
| CN105233538A (en) | Filter plate assembly used in filter press | |
| CN202460486U (en) | Micro-tubular membrane component | |
| CN110339720B (en) | Vertical cross flow filtering integrated device based on hollow fiber membrane | |
| CN202356030U (en) | Support plate for flat plate membrane element, flat plate membrane element and flat plate membrane component | |
| CN210751636U (en) | Hydraulic reverse oil absorption filter | |
| WO2018226076A3 (en) | Filter medium, manufacturing method therefor, and filter unit including same | |
| CN211562009U (en) | Layered porous alumina ceramic pore structure | |
| CN211521777U (en) | Filter cloth and filter element | |
| CN207899098U (en) | A kind of liquid filter core | |
| CN218565100U (en) | Improved T-shaped oil return filter for lubricating oil | |
| CN110420570A (en) | A kind of cuboid membrane module based on townhouse hollow fiber form nonwoven fabrics composite film | |
| CN220513851U (en) | RO reverse osmosis membrane water purification treatment device | |
| CN216909867U (en) | Membrane module structure for improving anti-pollution performance of reverse osmosis nanofiltration membrane | |
| CN215208794U (en) | High-efficient clean wire winding filter core | |
| CN215232418U (en) | Pretreatment equipment for filtering suspended matters | |
| CN212712864U (en) | Water inlet grid of pipe network type reverse osmosis membrane filtering device | |
| CN214436736U (en) | Water filtering device | |
| CN219712295U (en) | Filter of gearbox | |
| CN105413275A (en) | High-flux anti-pollution microporus filter and filtering method thereof | |
| CN220715051U (en) | Filter convenient to change filter screen | |
| CN214861736U (en) | Automatic high-pressure backwashing filter | |
| CN213684802U (en) | Hydraulic oil pipe with automatic impurity filtering equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |