CN206965234U - A kind of high elastic diaphragm filter board - Google Patents
A kind of high elastic diaphragm filter board Download PDFInfo
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- CN206965234U CN206965234U CN201720766994.7U CN201720766994U CN206965234U CN 206965234 U CN206965234 U CN 206965234U CN 201720766994 U CN201720766994 U CN 201720766994U CN 206965234 U CN206965234 U CN 206965234U
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Abstract
The utility model provides a kind of high elastic diaphragm filter board, including core plate, barrier film, charging hole, closed press media chamber and the press media hole for being opened on core plate and being connected with press media chamber, barrier film includes hard ring, diaphragm main body portion and the barrier film frame portion made of rigid plastics made of highly elastic material made of rigid plastics, press media chamber is between diaphragm main body portion and core plate, barrier film frame portion is diaphragm seal face backwards to the outer surface of core plate, and the outer surface side in diaphragm main body portion is formed with filter chamber.The incompressible deformability of rigid plastics is strong, therefore can ensure the sealing property in diaphragm seal face, greatly extends the service life of membrane filter plate；And the deformability of highly elastic material is strong so that diaphragm main body portion has larger squeezing stroke, so as to ensure the high squeezing rate of membrane filter plate, can obtain the filter cake of low-water-content, finally significantly save dehydration energy.
Description
Technical field
It the utility model is related to a kind of high elastic diaphragm filter board.
Background technology
Filter press is a kind of conventional solid-liquid separating equipment, is widely used in the neck such as medicine, food, chemical industry, metallurgy, environmental protection
Domain.Filter mechanism in filter press is mainly made up of polylith filter plate, and filter plate mainly includes common filter plate and membrane filter plate, common filter
Plate and membrane filter plate can each be used alone, can also be intervally arranged after be applied in combination.Wherein, membrane filter plate is mainly by core
Plate, the barrier film for being installed in core plate front and rear sides, formed airtight chamber between core plate and barrier film, front and rear insertion charging hole and
Fluid hole, the filter chamber formed on the outside of barrier film and the filter cloth composition for covering filter chamber.The operation principle of membrane filter plate is：It is aqueous
Material enters in filter chamber through charging hole, and water in material and the particle less than filter cloth aperture exclude after passing through filter cloth through fluid hole,
Particle more than filter cloth aperture is trapped within filter chamber and fills full filter chamber；Be passed through press media into airtight chamber, drum every
Film, the filter cake in further press filtration filter chamber, reduce the water content of filter cake.
At present, the barrier film on membrane filter plate is monoblock rubber diaphragm made of same material, such as：Publication No.
A kind of compounded rubber entirety membrane filter plate disclosed in CN103949096A Chinese invention patent application specification, it, which has, covers
Lid filter frame and the barrier film of filter plate outer surface, barrier film and the filter plate sealing at filter frame and charging hole are glued, and barrier film is vulcanised rubber layer；
Again such as：A kind of overall compounded rubber disclosed in Publication No. CN103285639A Chinese invention patent application specification every
Membrane filtration plate, it has the diaphragm of rubber for being fixed on inner liner core plate two sides, and diaphragm of rubber is to be adhesively fixed with inner liner core plate；Rubber
Although diaphragm has preferable sealing property and high resiliency, larger squeezing stroke and high squeezing rate, its resistance to compression can be obtained
Compression deformation is poor, and sealing surface expansion permanent deformation easily occurs and failed after being pressurized, therefore service life is short, and diaphragm of rubber can not yet
Recycling.In addition, the barrier film on membrane filter plate can also be monoblock polypropylene diaphragm made of same material, than
Such as：Integrated polypropylene diaphragm filter-plate knot disclosed in Publication No. CN200960441Y Chinese utility model patent specification
Structure, it has center liner and polypropylene diaphragm filter disc, and its resistance to compression compression deformation is good, and squeeze pressure is high, and material can recycle,
But process is more during fabrication for polypropylene diaphragm filter-plate, manufacturing defect is more；Also, polypropylene diaphragm filter disc poor flexibility, so as to
Its sealing property is reduced, squeezing stroke is small, also results in and easily tears, damages under cavity filter condition.Therefore, in the prior art
Barrier film on membrane filter plate is all the flexible sheet made of same material, but barrier film needs to consider to seal on barrier film in selection
The sealing property in face, it will certainly reduce the endurance life of barrier film, so as to reduce the squeezing stroke of barrier film, can not realize high pressure
Squeezing rate.
Utility model content
In view of the above the shortcomings that prior art, the purpose of this utility model is to provide a kind of high resiliency barrier film filter
Plate, the squeezing stroke of its and can increase barrier film in the sealing of sealing surface on ensureing barrier film.
To achieve the above object, the utility model provides a kind of high elastic diaphragm filter board, including core plate, be installed in core plate before
Afterwards the barrier film of both sides, front and rear insertion core plate and barrier film charging hole, formed between core plate and barrier film and closed press media
Chamber and the press media hole for being opened on core plate and being connected with press media chamber, the barrier film include being located at outside charging hole
The week side of boss and made of rigid plastics hard ring, be installed in hard ring outer circumferential side and the diaphragm main body made of highly elastic material
Portion and diaphragm main body portion outer circumferential side and the barrier film frame portion made of rigid plastics are installed in, the press media chamber is located at
Between diaphragm main body portion and core plate, the barrier film frame portion is diaphragm seal face backwards to the outer surface of core plate, the diaphragm main body
Portion is located at the interior side in diaphragm seal face backwards to the outer surface of core plate, makes the outer surface side in diaphragm main body portion formed with filter chamber.
Further, all there is the first sealing coordinated with the sealing of hard ring on the preceding surface of the core plate and rear surface
Face and the secondary sealing area coordinated with the sealing of barrier film frame portion；The diaphragm main body portion in the inner circumferential side of press media chamber and
Outer circumferential side is welded and fixed with core plate so that formed with positioned at the inner circumferential side of press media chamber and outside between diaphragm main body portion and core plate
The weld seam of the week side of boss.
Further, multiple circumferentially distributed and courts along barrier film frame portion are offered on the secondary sealing area of the core plate
To the flash groove of barrier film frame portion, the flash groove is used to retain excessive melting excessive slurry when melting welding core plate and barrier film, makes core plate
Formed with the weld seam in flash groove between barrier film frame portion.
Preferably, the hard ring, diaphragm main body portion and barrier film frame portion three injection are structure as a whole or melted as one
Body structure.
Further, the diaphragm main body portion has neighbour in the edge part of barrier film frame portion and neighbour in hard ring
Excessive portion, the outer face of the edge part flushes setting with diaphragm seal face, and the outer face in the excessively portion is located at edge part
The interior side of outer face；The edge part is provided with the first rake positioned at press media chamber outer circumferential side, and described first tilts
Portion is obliquely installed close to the outer end of filter chamber to the direction away from barrier film frame portion；The excessively portion, which is provided with, is located at press media chamber
Second rake of inner circumferential side, second rake are obliquely installed close to the outer end of filter chamber to the direction away from hard ring.
Preferably, the barrier film frame portion is towards on the inner surface of core plate and hard anchor ring is on the inner surface of core plate
Groove is designed with, the edge part is provided with the junction surface in the groove of embedded barrier film frame portion, and the excessively portion is provided with embedding
Enter the junction surface in the groove of hard ring.
Further, in addition to the filter cloth of covering filter chamber and multiple front and rear insertion core plates and barrier film frame portion go out liquid
Hole, the diaphragm main body portion are provided with several gather and for the support rim of supporting filter cloth, several supports on the bottom surface of filter chamber
It is connected between boss formed with the filtrate channel communicated with filter chamber, the filtrate channel with fluid hole；Several support rims are remote
Outer face from diaphragm main body portion flushes setting.
Further, at least one set of dispensing unit is designed with each fluid hole, every group of dispensing unit includes several open up
Barrier film in diaphragm main body portion goes out liquid approaching channel mouth, be opened in barrier film frame portion first go out liquid inclined hole, be opened in outside core plate
Go out liquid groove and be opened in core plate the second of surface goes out liquid inclined hole, and described first goes out liquid inclined hole to go out closer to barrier film
Liquid approaching channel mouth is got over the mode drawn close to barrier film frame portion outer surface and is obliquely installed, and described second goes out liquid inclined hole with closer to fluid hole
More it is obliquely installed to the mode drawn close among core plate, the filtrate channel, barrier film go out liquid approaching channel mouth, first go out liquid inclined hole, go out liquid
Groove, second go out liquid inclined hole and fluid hole is sequentially communicated.
Preferably, the outer surface of the core plate is designed with multiple tracks in the outer circumferential side of hard ring and the inner circumferential side of barrier film frame portion
Outstanding diaphragm support bar, multiple tracks diaphragm support bar are all located in press media chamber；It is located at more at hard ring outer circumferential side
The length that road diaphragm support bar protrudes from core plate is gradually reduced along the direction away from hard ring, is located at barrier film frame portion inner circumferential side
Multiple tracks diaphragm support bar protrude from the length of core plate and be gradually reduced along the direction away from barrier film frame portion.
Preferably, the core plate is solid plastic plate.
As described above, the high elastic diaphragm filter board that the utility model is related to, has the advantages that：
In the application, the barrier film frame portion for being used to seal in barrier film is made of rigid plastics, and will be used in barrier film
The diaphragm main body portion of material is made of highly elastic material in press filtration filter chamber, and the incompressible deformability of rigid plastics is strong, therefore
The sealing property in diaphragm seal face can be ensured, greatly extend the service life of membrane filter plate；And the deformation energy of highly elastic material
Power is strong so that diaphragm main body portion has larger squeezing stroke, so as to ensure the high squeezing rate of membrane filter plate, can obtain low contain
The filter cake of water rate, finally significantly saves dehydration energy.
Brief description of the drawings
Fig. 1 is the structural representation of high elastic diaphragm filter board in the application.
Fig. 2 is Fig. 1 A-A to sectional view.
The B that Fig. 3 is Fig. 2 encloses enlarged drawing.
The C that Fig. 4 is Fig. 2 encloses enlarged drawing.
Component label instructions
1 core plate
11 press media holes
12 primary sealing areas
13 secondary sealing areas
14 flash grooves
15 go out liquid groove
16 second go out liquid inclined hole
17 diaphragm support bars
2 barrier films
21 hard rings
22 diaphragm main body portions
221 edge parts
222 excessive portions
223 first rakes
224 second rakes
225 support rims
226 filtrate channels
227 barrier films go out liquid approaching channel mouth
23 barrier film frame portions
231 diaphragm seal faces
232 first go out liquid inclined hole
24 grooves
25 junction surfaces
3 charging holes
4 press media chambers
5 filter chambers
6 weld seams
7 fluid holes
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the present utility model easily.
It should be clear that structure, ratio, size etc. that this specification accompanying drawing is painted, only coordinating in disclosed in specification
Hold, so that those skilled in the art understands and reads, be not limited to the enforceable qualifications of the utility model, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influenceing this practicality
Under the effect of type can be generated and the purpose that can reach, all should still fall can cover in the technology contents disclosed in the utility model
In the range of.Meanwhile cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also
Only understanding for ease of describing, and be not used to limit the enforceable scope of the utility model, its relativeness is altered or modified,
Changed without essence under technology contents, when being also considered as the enforceable category of the utility model.
In following examples, the thickness direction of high elastic diaphragm filter board is defined as fore-and-aft direction.
As shown in Figures 1 to 4, the application provides a kind of high elastic diaphragm filter board, including core plate 1, is installed in before and after core plate 1
Barrier film 2, the charging hole 3 of front and rear insertion core plate 1 and barrier film 2 on two side external surfaces, formation are between core plate 1 and barrier film 2 and close
The press media chamber 4 closed and the press media hole 11 for being opened on core plate 1 and being connected with press media chamber 4, the charging
Hole 3 is located at the middle position of high elastic diaphragm filter board；The press media hole 11 can be one, or two, when
When press media hole 11 is two, it is used to make press media flow into press media chamber 4 positioned at the press media hole 11 of lower side,
The press media hole 11 of side above is used to make press media discharge from press media chamber 4；Press media hole 11 is along left and right
Direction extends, and outer end of the press media hole 11 away from press media chamber 4 is located on the outer peripheral face of core plate 1.
Further, in order that barrier film 2 with preferable sealing property and larger squeezing stroke, in the application
Barrier film 2 is composite barrier film 2；Specifically, as shown in Fig. 2 barrier film 2 includes being located at the outer circumferential side of charging hole 3 and by rigid plastics
Manufactured hard ring 21, it is installed in the outer circumferential side of hard ring 21 and the diaphragm main body portion 22 and fixed made of highly elastic material
In the outer circumferential side of diaphragm main body portion 22 and the barrier film frame portion 23 made of rigid plastics, the press media chamber 4 is located at barrier film master
Between body portion 22 and core plate 1；The barrier film frame portion 23 is diaphragm seal face 231 backwards to the outer surface of core plate 1, the barrier film master
Body portion 22 is located at the interior side in diaphragm seal face 231 backwards to the outer surface of core plate 1, and in other words, diaphragm main body portion 22 is backwards to core plate 1
Outer surface core plate 1 is closer to for diaphragm seal face 231 so that the outer surface side shape in diaphragm main body portion 22
Into there is filter chamber 5, i.e.,：It is installed in the barrier film 2 on 1 preceding surface of core plate, the preceding surface of its barrier film frame portion 23 is diaphragm seal face
231, in the longitudinal direction, the front end face in its diaphragm main body portion 22 be located at the rear side of the front end face of barrier film frame portion 23, make its barrier film
The front side of main part 22 is formed with filter chamber 5；Similarly, it is installed in the barrier film 2 after core plate 1 on surface, its barrier film frame portion 23
Surface is diaphragm seal face 231 afterwards, in the longitudinal direction, the rear end face in its diaphragm main body portion 22 be located at the rear end of barrier film frame portion 23
The front side in face, make the rear side in its diaphragm main body portion 22 formed with filter chamber 5.It is when high elastic diaphragm filter board is used alone, then adjacent
Two high elastic diaphragm filter boards compress after, the sealing of respective diaphragm seal face 231 coordinates, and plays preferable sealing function, prevents
Only the material in filter chamber 5 or filtrate are flowed out between two adjacent high elastic diaphragm filter boards；When high elastic diaphragm filter board with it is general
When logical filter plate is arranged at intervals, supported the use, then after high elastic diaphragm filter board and common filter plate compress, on high elastic diaphragm filter board
Diaphragm seal face 231 coordinates with the sealing surface sealing on common filter plate, plays preferable sealing function, prevents the thing in filter chamber 5
Material or filtrate are flowed out between adjacent high elastic diaphragm filter board and common filter plate.In the present embodiment, core plate 1 is solid plastic
Plate, the rigid plastics for hard ring 21 to be made can be：PP, PVDF, PE, PA etc.；For the height in diaphragm main body portion 22 to be made
Elastomeric material is thermoplastic elastomer (TPE), it is preferred to use TPE, POE etc.；Rigid plastics for barrier film frame portion 23 to be made can be with
For：PP, PVDF, PE, PA etc..
The application also provides a kind of preparation method of high elastic diaphragm filter board, comprises the following steps：
Step A, core plate blank is processed by Shooting Technique or pressing process, and by core plate blank it is machined after
To core plate 1, there is charging hole 3 and press media hole 11 on core plate 1.
Step B, by Shooting Technique or by sheet material machining hard ring blank, and hard ring blank is machined
After obtain hard ring 21, hard ring 21 is made up of rigid plastics.
Step C, barrier film frame portion blank is processed by Shooting Technique or sheet material welding procedure, and by barrier film frame portion hair
Barrier film frame portion 23 is obtained after base is machined, there is diaphragm seal face 231 in barrier film frame portion 23, barrier film frame portion 23 by
Rigid plastics is made.
Step D, hard ring 21 and barrier film frame portion 23 are put into mould together, existed by Shooting Technique or smelting process
Highly elastic material is injected in mould, one block of composite is obtained after the demoulding and is a unitarily formed barrier film 2, then barrier film 2 has
Diaphragm main body portion 22 between hard ring 21 and barrier film frame portion 23 and the charging hole 3 positioned at the inner circumferential of hard ring 21；Or
Person says that hard ring 21, diaphragm main body portion 22 and the three of barrier film frame portion 23 injection are structure as a whole or melted and be structure as a whole.
Step E, two panels barrier film 2 is separately fixed on the outer surface of front and rear sides of core plate 1, forms one block of composite
High elastic diaphragm filter board；Also, the charging hole 3 on core plate 1 is relative with before and after the charging hole 3 on barrier film 2 and connects, forms height
The charging hole 3 of elastic diaphragm filter plate, formed closed between core plate 1 and diaphragm main body portion 22 and connected with press media hole 11
Press media chamber 4, the diaphragm seal face 231 on barrier film 2 is backwards to the outer surface of core plate 1, and diaphragm main body portion 22 is backwards to core plate 1
Outer surface is located at the interior side in diaphragm seal face 231, makes the outer surface side in diaphragm main body portion 22 formed with filter chamber 5.
In the high elastic diaphragm filter board being related in the application, by the barrier film frame portion 23 for being used to seal in barrier film 2 using hard
Matter plastics are made, and the diaphragm main body portion 22 that material in press filtration filter chamber 5 is used in barrier film 2 is made of highly elastic material, and hard
The incompressible deformability of matter plastics is strong, therefore can ensure the sealing property in diaphragm seal face 231, greatly extends high resiliency barrier film
The service life of filter plate；And the deformability of highly elastic material is strong, barrier film is may be such that with reference to the press media chamber 4 of cavity type structure
Main part 22 has larger squeezing stroke and squeeze pressure, so as to ensure the high squeezing rate of high elastic diaphragm filter board, can obtain
To the filter cake of low-water-content, dehydration energy is finally significantly saved.In the application, the squeeze pressure of high elastic diaphragm filter board can be high
Up to 5MPa.Furthermore the plastics of core plate 1, the hard modeling that the rigid plastics of hard ring 21 is made, barrier film frame portion 23 is made is made
The highly elastic material expected and diaphragm main body portion 22 is made all uses thermoplastic, so that high elastic diaphragm filter board is whole
Body is made up of thermoplastic, can conveniently recycle.And the high elastic diaphragm filter board for processing to obtain by step A- steps E
Production can be achieved using process equipment of the prior art, so as to reduce the input cost of high elastic diaphragm filter board production.
Further, as shown in Figure 3 and Figure 4, all have on the preceding surface of the core plate 1 and rear surface close with hard ring 21
The primary sealing area 12 coordinated and the secondary sealing area 13 coordinated with the sealing of barrier film frame portion 23 are sealed, ensures core plate 1 and hard
At the sealed connection of ring 21, the sealing of core plate 1 and the junction of barrier film frame portion 23.In addition, the diaphragm main body portion 22 is being squeezed
At the inner circumferential side of dielectric cavity 4 and outer circumferential side, hard ring 21, barrier film frame portion 23 be all welded and fixed by hot melting process and core plate 1,
Melting welding is into one piece of composite high elastic diaphragm filter board, therefore formed with positioned at press media between diaphragm main body portion 22 and core plate 1
The inner circumferential side of chamber 4 and the weld seam 6 of outer circumferential side, between core plate 1 and hard ring 21 and between core plate 1 and barrier film frame portion 23
Formed with weld seam 6.In addition, as depicted in figs. 1 and 2, offered on the secondary sealing area 13 of the core plate 1 multiple along barrier film frame
Portion 23 circumferentially distributed and it is used for melting welding core plate 1 and barrier film 2 towards the flash groove 14 of barrier film frame portion 23, the flash groove 14
When retain excessive melting overflow slurry, make between core plate 1 and barrier film frame portion 23 formed with the weld seam 6 in flash groove 14.
Further, as shown in Figures 2 to 4, the outer circumferential side in the diaphragm main body portion 22 has neighbour in barrier film frame portion
23 edge part 221, inner circumferential side have neighbour in the excessive portion 222 of hard ring 21, and the edge part 221 is backwards to the outer of core plate 1
End face flushes setting with diaphragm seal face 231, and the outer face in the excessively portion 222 is located at the interior side of the outer face of edge part 221,
Therefore filter chamber 5 is surrounded by diaphragm main body portion 22 and edge part 221.Especially, the edge part 221, which is provided with, is located at press media chamber
First rake 223 of 4 outer circumferential sides, the first rake 223 incline close to the outer end of filter chamber 5 to the direction away from barrier film frame portion 23
Tiltedly set, the first rake 223 is obliquely installed close to the inner of core plate 1 to close to the direction of barrier film frame portion 23；It is described excessive
Portion 222 is provided with the second rake 224 positioned at the inner circumferential side of press media chamber 4, and the second rake 224 is close to the outer end of filter chamber 5
It is obliquely installed to the direction away from hard ring 21, the second rake 224 is close to the inner to close to the direction of hard ring 21 of core plate 1
It is obliquely installed, the first rake 223 and the second rake 224 are except ensureing that the fusion in barrier film 2 between different materials forms one
Outside the effect of reliable press media chamber 4, also help diaphragm main body portion 22 adapt to barrier film frame portion 23 and hard ring 21
The prolonged repeated stretching in joint, bending so that barrier film 2 has a higher fatigue resistance, improves barrier film 2 and high resiliency
The service life of membrane filter plate.
Preferably, as shown in Figure 3 and Figure 4, the barrier film frame portion 23 is towards on the inner surface of core plate 1 and hard ring
21 towards being designed with groove 24 on the inner surface of core plate 1, during barrier film 2 is manufactured, the highly elastic material that injects in mould
Flow into the groove 24 on barrier film frame portion 23 and hard ring 21, make that there is embedded barrier film frame portion in demoulding rear edge portion 221
There is the junction surface 25 in the groove 24 of embedded hard ring 21 on junction surface 25, excessive portion 222 in 23 groove 24, carried with this
The high structural strength of itself of barrier film 2.
Further, in addition to before and after the filter cloth of covering filter chamber 5 and four core plate 1 and barrier film frame portion 23 are penetrated
Fluid hole 7, high elastic diaphragm filter board are square structure, and its four edges are designed with a fluid hole 7.Such as Fig. 1 and Fig. 2 institutes
Show, the diaphragm main body portion 22 is provided with several gather and for the support rim 225 of supporting filter cloth, branch on the bottom surface of filter chamber 5
Support boss 225 is small cylinder, and diaphragm main body portion 22 have on the bottom surface of filter chamber 5 and only support rim 225, do not have
Other projective structures, the bottom surface positioned at the filter chamber 5 of the front side of core plate 1 are the rear end face of filter chamber 5, the preceding table in diaphragm main body portion 22
Face, the bottom surface positioned at the filter chamber 5 of the rear side of core plate 1 are the front end face of filter chamber 5, the rear surface in diaphragm main body portion 22；Several supports
It is connected between boss 225 formed with the filtrate channel 226 communicated with filter chamber 5, the filtrate channel 226 with fluid hole 7.It is several
Outer face of the support rim 225 away from diaphragm main body portion 22 flushes setting so that diaphragm main body portion 22 is to connect in the bottom of filter chamber 5
Nearly slab construction, so cause for process diaphragm main body portion 22 mould structure it is extremely simple, substantially reduce for process every
The expense of the mould of film main part 22, diaphragm main body portion 22 more easily reach closely knit imperforate requirement when being molded；Also, work as and cover
After upper filter cloth, filter cloth is flat in the bottom surface of filter chamber 5, without dead angle, so as to realize filter cake high-efficient washing, the mistake without dead angle
Characteristic is filtered, improves clean result.
Further, as shown in figures 1 and 3, two groups of dispensing units, two groups of dispensing units are designed with each fluid hole 7
It is spaced apart along the circumference of fluid hole 7 in 90 °, every group of dispensing unit all includes several barrier films being opened in diaphragm main body portion 22
Go out liquid approaching channel mouth 227, be opened in barrier film frame portion 23 first go out liquid inclined hole 232, be opened in the outer surface of core plate 1 to go out liquid recessed
Groove 15 and what is be opened in core plate 1 second go out liquid inclined hole 16.Wherein, first goes out liquid inclined hole 232 to go out liquid closer to barrier film and draw
Notch 227 is got over the mode drawn close to the outer surface of barrier film frame portion 23 and is obliquely installed；Going out liquid groove 15, across multiple first to go out liquid oblique
Hole 232 and be part flash groove 14, in other words, will be close to be used for out liquid groove 15 in the flash groove 14 of fluid hole 7；Second
Go out liquid inclined hole 16 by closer to fluid hole 7 more to being obliquely installed in a manner of drawing close among core plate 1, the filtrate channel 226, barrier film
Go out liquid approaching channel mouth 227, first to go out liquid inclined hole 232, go out liquid groove 15, second go out liquid inclined hole 16 and fluid hole 7 is sequentially communicated.
Described first goes out liquid inclined hole 232 directly makes on the mould for processing barrier film frame portion 23 so that barrier film frame portion 23 1
Secondary shaping；Second goes out liquid inclined hole 16 directly makes on the mould for processing core plate 1 so that the one-shot forming of core plate 1, Ci Zhongjia
Work mode can improve barrier film frame portion 23 and the structural strength and service life of core plate 1, and easy to process；Certainly, first
Formation can be reprocessed after the demoulding of barrier film frame portion 23 by going out liquid inclined hole 232, and second goes out liquid inclined hole 16 can be after the demoulding of core plate 1
Reprocessing is formed.First goes out liquid inclined hole 232 and the second size for going out liquid inclined hole 16 is determined according to filter material and filtering technique
The model of high elastic diaphragm filter board process.
Preferably, as shown in Fig. 2 the outer surface of the core plate 1 hard ring 21 outer circumferential side and barrier film frame portion 23
Inner circumferential side is designed with the outstanding diaphragm support bar 17 of multiple tracks, and multiple tracks diaphragm support bar 17 is all located in press media chamber 4；If
The length that multiple tracks diaphragm support bar 17 at the outer circumferential side of hard ring 21 protrudes from core plate 1 is gradual along the direction away from hard ring 21
Reduce, be located at the multiple tracks diaphragm support bar 17 at the inner circumferential side of barrier film frame portion 23 and protrude from the length of core plate 1 along away from barrier film side
The direction of frame portion 23 is gradually reduced；By multiple tracks diaphragm support bar 17 can effectively the different materials of barrier film 2 intersection support every
Film main part 22, avoid barrier film 2 from occurring excessive tensile phenomenon here, make barrier film 2 that there is longer service life.
When high elastic diaphragm filter board with said structure is used for press filtration, four fluid holes 7 are all used for discharge opeing：Water-containing materials
Enter through charging hole 3 in filter chamber 5, after filtrate passes through filter cloth, go out liquid approaching channel mouth 227, first through filtrate channel 226, barrier film successively
Go out liquid inclined hole 232, go out liquid groove 15, second go out after liquid inclined hole 16 to flow into fluid hole 7, flowed out from the pipeline of filter press；Treat
After filling full with substance in filter chamber 5, press media is passed through into press media chamber 4 through press media hole 11, drum opens barrier film 2, from
And the filter cake in filter chamber 5 is extruded, the moisture being squeezed out goes out liquid approaching channel mouth 227, first through filtrate channel 226, barrier film successively again
Go out liquid inclined hole 232, go out liquid groove 15, second go out after liquid inclined hole 16 to flow into fluid hole 7, flowed out from the pipeline of filter press.Tool
When the high elastic diaphragm filter board for having said structure is used to wash, two fluid holes 7 are used for discharge opeing, in addition two in four fluid holes 7
Individual fluid hole 7 is used to be passed through washing medium：Water-containing materials enter in filter chamber 5 through charging hole 3, after filtrate passes through filter cloth, pass through successively
Filtrate channel 226, barrier film go out liquid approaching channel mouth 227, first go out liquid inclined hole 232, go out liquid groove 15, second go out liquid inclined hole 16 after flow into
In fluid hole 7, flowed out from the pipeline of filter press；After full with substance is filled in filter chamber 5, washing is passed through into two fluid holes 7
Medium, then washing medium through fluid hole 7, second go out liquid inclined hole 16, go out liquid groove 15, first go out liquid inclined hole 232, barrier film goes out liquid and drawn
It is sufficiently mixed after notch 227 and filtrate channel 226 with the filter cake in filter chamber 5, washs filter cake, after the filtrate after washing passes through filter cloth
Discharged through other two fluid hole 7.
In summary, the high elastic diaphragm filter board that the application is related to combines polypropylene diaphragm filter-plate in the prior art and rubber
Glue membrane filter plate each the advantages of, have that liquid is fast, filter cake high-efficient washing, the filtering feature without dead angle.So the utility model
Effectively overcome various shortcoming of the prior art and have high industrial utilization.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (10)
1. a kind of high elastic diaphragm filter board, including core plate (1), the barrier film (2) for being installed in core plate (1) front and rear sides, front and rear insertion
The charging hole (3) of core plate (1) and barrier film (2), formed between core plate (1) and barrier film (2) and closed press media chamber (4),
And the press media hole (11) for being opened on core plate (1) and being connected with press media chamber (4), it is characterised in that：It is described every
Film (2) include be located at charging hole (3) outer circumferential side and made of rigid plastics hard ring (21), be installed in hard ring (21) periphery
Side and diaphragm main body portion (22) and it is installed in diaphragm main body portion (22) outer circumferential side made of highly elastic material and is moulded by hard
Barrier film frame portion (23) made of material, the press media chamber (4) is located between diaphragm main body portion (22) and core plate (1), described
Barrier film frame portion (23) is diaphragm seal face (231) backwards to the outer surface of core plate (1), and the diaphragm main body portion (22) is backwards to core plate
(1) outer surface is located at the interior side in diaphragm seal face (231), makes the outer surface side in diaphragm main body portion (22) formed with filter chamber
(5)。
2. high elastic diaphragm filter board according to claim 1, it is characterised in that：The preceding surface of the core plate (1) and rear table
All there is the primary sealing area (12) coordinated with hard ring (21) sealing on face and seal what is coordinated with barrier film frame portion (23)
Secondary sealing area (13)；The diaphragm main body portion (22) is welded in the inner circumferential side of press media chamber (4) and outer circumferential side with core plate (1)
It is fixed so that formed with positioned at the inner circumferential side of press media chamber (4) and outer circumferential side between diaphragm main body portion (22) and core plate (1)
Weld seam (6).
3. high elastic diaphragm filter board according to claim 2, it is characterised in that：The secondary sealing area of the core plate (1)
(13) offered on it is multiple along the circumferentially distributed of barrier film frame portion (23) and towards the flash groove (14) of barrier film frame portion (23),
The flash groove (14) is used to retain excessive melting excessive slurry when melting welding core plate (1) and barrier film (2), makes core plate (1) and barrier film side
Formed with the weld seam (6) in flash groove (14) between frame portion (23).
4. high elastic diaphragm filter board according to claim 1, it is characterised in that：The hard ring (21), diaphragm main body portion
(22) it is structure as a whole or melts and be structure as a whole with barrier film frame portion (23) three injection.
5. the high elastic diaphragm filter board according to claim 1 or 4, it is characterised in that：The diaphragm main body portion (22) has
Neighbour is in the edge part (221) of barrier film frame portion (23) and neighbour in the excessive portion (222) of hard ring (21), the edge
The outer face in portion (221) flushes setting with diaphragm seal face (231), and the outer face in the excessively portion (222) is located at edge part
(221) the interior side of outer face；The edge part (221) is provided with the first rake positioned at press media chamber (4) outer circumferential side
(223), first rake (223) is obliquely installed close to the outer end of filter chamber (5) to the direction away from barrier film frame portion (23)；
The excessively portion (222) is provided with the second rake (224) positioned at press media chamber (4) inner circumferential side, second rake
(224) it is obliquely installed close to the outer end of filter chamber (5) to the direction away from hard ring (21).
6. high elastic diaphragm filter board according to claim 5, it is characterised in that：The barrier film frame portion (23) is towards core plate
(1) on inner surface and hard ring (21) is towards being designed with groove (24), the edge part on the inner surface of core plate (1)
(221) junction surface (25) being provided with the groove (24) of embedded barrier film frame portion (23), the excessively portion (222) are provided with embedding
Enter the junction surface (25) in the groove (24) of hard ring (21).
7. high elastic diaphragm filter board according to claim 1, it is characterised in that：Also include covering filter chamber (5) filter cloth, with
And the fluid hole (7) of multiple front and rear insertion core plates (1) and barrier film frame portion (23), the diaphragm main body portion (22) is in filter chamber (5)
Bottom surface be provided with it is several gather and for the support rims (225) of supporting filter cloth, between several support rims (225) formed with
The filtrate channel (226) communicated with filter chamber (5), the filtrate channel (226) are connected with fluid hole (7)；Several support rims
(225) outer face away from diaphragm main body portion (22) flushes setting.
8. high elastic diaphragm filter board according to claim 7, it is characterised in that：Each fluid hole (7) place is designed with least
One group of dispensing unit, every group of dispensing unit including several barrier films being opened in diaphragm main body portion (22) go out liquid approaching channel mouth (227),
First be opened in barrier film frame portion (23) go out liquid inclined hole (232), be opened in core plate (1) outer surface go out liquid groove (15),
And second be opened in core plate (1) goes out liquid inclined hole (16), described first goes out liquid inclined hole (232) is drawn with going out liquid closer to barrier film
Notch (227) is got over the mode drawn close to barrier film frame portion (23) outer surface and is obliquely installed, and described second goes out liquid inclined hole (16) with more
Get over to the middle mode drawn close of core plate (1) and be obliquely installed close to fluid hole (7), the filtrate channel (226), barrier film go out liquid approaching channel
Mouthful (227), first go out liquid inclined hole (232), go out liquid groove (15), second go out liquid inclined hole (16) and fluid hole (7) connects successively
It is logical.
9. high elastic diaphragm filter board according to claim 1, it is characterised in that：The outer surface of the core plate (1) is in hard
The outer circumferential side of ring (21) and the inner circumferential side of barrier film frame portion (23) are designed with the outstanding diaphragm support bar (17) of multiple tracks,
Multiple tracks diaphragm support bar (17) is all located in press media chamber (4)；The multiple tracks diaphragm being located at hard ring (21) outer circumferential side
The length that support bar (17) protrudes from core plate (1) is gradually reduced along the direction away from hard ring (21), is located at barrier film frame portion
(23) the multiple tracks diaphragm support bar (17) at inner circumferential side protrudes from direction of the length of core plate (1) along remote barrier film frame portion (23)
It is gradually reduced.
10. high elastic diaphragm filter board according to claim 1, it is characterised in that：The core plate (1) is solid plastic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766994.7U CN206965234U (en) | 2017-06-28 | 2017-06-28 | A kind of high elastic diaphragm filter board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766994.7U CN206965234U (en) | 2017-06-28 | 2017-06-28 | A kind of high elastic diaphragm filter board |
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| Publication Number | Publication Date |
|---|---|
| CN206965234U true CN206965234U (en) | 2018-02-06 |
Family
ID=61407086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720766994.7U Active CN206965234U (en) | 2017-06-28 | 2017-06-28 | A kind of high elastic diaphragm filter board |
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| Country | Link |
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| CN (1) | CN206965234U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108525360A (en) * | 2018-06-06 | 2018-09-14 | 浙江复洁环保设备有限公司 | A kind of high temperature high voltage resistant embedding Simple filter entirely |
| CN109126231A (en) * | 2017-06-28 | 2019-01-04 | 浙江复洁环保设备有限公司 | A kind of high elastic diaphragm filter board and preparation method thereof |
| CN109316792A (en) * | 2018-11-27 | 2019-02-12 | 河南大张过滤设备有限公司 | High resiliency diaphragm membrane filter plate |
| CN109529423A (en) * | 2018-11-27 | 2019-03-29 | 河南大张过滤设备有限公司 | A kind of high-efficient washing membrane filter plate of new construction |
| WO2020113553A1 (en) * | 2018-12-07 | 2020-06-11 | 河南大张过滤设备有限公司 | High-elasticity diaphragm filter plate with diaphragm sheets |
| WO2020118652A1 (en) * | 2018-12-14 | 2020-06-18 | 河南大张过滤设备有限公司 | Efficient washing diaphragm filter plate with new structure |
| CN113521820A (en) * | 2020-04-17 | 2021-10-22 | 美卓奥图泰芬兰有限公司 | Filtration membrane for horizontal plate and frame filters such as tower presses |
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2017
- 2017-06-28 CN CN201720766994.7U patent/CN206965234U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126231A (en) * | 2017-06-28 | 2019-01-04 | 浙江复洁环保设备有限公司 | A kind of high elastic diaphragm filter board and preparation method thereof |
| CN109126231B (en) * | 2017-06-28 | 2024-03-12 | 浙江复洁环保设备有限公司 | High-elasticity diaphragm filter plate and preparation method thereof |
| CN108525360A (en) * | 2018-06-06 | 2018-09-14 | 浙江复洁环保设备有限公司 | A kind of high temperature high voltage resistant embedding Simple filter entirely |
| CN108525360B (en) * | 2018-06-06 | 2024-05-10 | 浙江复洁环保设备有限公司 | High-temperature-resistant high-pressure-resistant fully-embedded combined diaphragm filter plate |
| CN109316792A (en) * | 2018-11-27 | 2019-02-12 | 河南大张过滤设备有限公司 | High resiliency diaphragm membrane filter plate |
| CN109529423A (en) * | 2018-11-27 | 2019-03-29 | 河南大张过滤设备有限公司 | A kind of high-efficient washing membrane filter plate of new construction |
| WO2020113553A1 (en) * | 2018-12-07 | 2020-06-11 | 河南大张过滤设备有限公司 | High-elasticity diaphragm filter plate with diaphragm sheets |
| WO2020118652A1 (en) * | 2018-12-14 | 2020-06-18 | 河南大张过滤设备有限公司 | Efficient washing diaphragm filter plate with new structure |
| CN113521820A (en) * | 2020-04-17 | 2021-10-22 | 美卓奥图泰芬兰有限公司 | Filtration membrane for horizontal plate and frame filters such as tower presses |
| CN113521820B (en) * | 2020-04-17 | 2023-06-13 | 美卓奥图泰芬兰有限公司 | Filtration membrane for a horizontal plate and frame filter such as a tower press |
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