CN105233554B - A kind of processing method and organic microporous filter body of organic microporous filter body - Google Patents
A kind of processing method and organic microporous filter body of organic microporous filter body Download PDFInfo
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- CN105233554B CN105233554B CN201510578604.9A CN201510578604A CN105233554B CN 105233554 B CN105233554 B CN 105233554B CN 201510578604 A CN201510578604 A CN 201510578604A CN 105233554 B CN105233554 B CN 105233554B
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Abstract
The invention belongs to filter technical field, organic microporous filter body that the processing method and processing for specifically disclosing a kind of organic microporous filter body is obtained.The processing method is：Make filtering bodies filtrate duct support, filtering bodies filtrate duct support is fixed on into filler intracavity, and filtering bodies filtrate duct support is laid in filler intracavity equalization stable, filler sintering makes organic microporous filter body semi-finished product, the filtering bodies filtrate duct support removed in organic microporous filter body semi-finished product is dissolved with solvent, the hole formed after filtering bodies filtrate duct support is removed in filtering bodies is sealed with sealing member, integrally formed organic microporous filter body is obtained.Made by the processing method that the present invention is provided, organic microporous filter body dielectric strength is high, extend the service life of organic microporous filter body, filtrate duct in organic microporous filter body is completely unimpeded, filtrate in filter process can be able in time separate and discharge, it is ensured that the filter efficiency of obtained organic microporous filter body.
Description
Technical field
The present invention relates to filter technical field, and in particular to a kind of processing method of organic microporous filter body and process
The organic microporous filter body for arriving.
Background technology
Ceramic disk vacuum filter advantage clearly, such as energy-conservation, low noise, filter medium consume less, product moisture
It is more low, it is widely applied in fields such as mine, metallurgy, chemical industry, food, materials.The core of ceramic disk vacuum filter
One of center portion part is the ceramic fan-shaped screen plate processed with ceramic powder sintering.It is frequently found in use, ceramics are fan-shaped
The micropore of screen plate is blocked by the subparticle included in medium quickly, and its cleaning and regenerate it is extremely difficult, or even
The tamper that clean in micropore is difficult with concentrated nitric acid, oxalic acid immersion and in the presence of ultrasound wave all, so as to greatly reduce
The service life of screen plate, needs the normal operation for frequently changing screen plate to ensure to filter, causes ceramic disc type vacuum filter
Machine use and maintenance cost is high.
For case above, people have developed the organic micro-porous filtration plate produced based on organic polymer powder body,
As high-molecular organic material has certain plasticity so that organic micro-porous filtration plate its micropore during filtration or blowback
Aperture can produce certain elastic deformation, so as to significantly reduce the probability of blocking.Meanwhile, because high-molecular organic material is normal
Temperature is lower can to tolerate highly basic or the strong acid even immersion of Fluohydric acid. etc., so that the micropore of organic micro-porous filtration plate can be obtained
To clean or regenerate, it is a kind of very promising filtering material.
The existing method for preparing organic micro-porous filtration plate mainly has two kinds, i.e., two hardened legal and one sinter molding
Method.The method of the patent application publication of publication number CN101543691A is two hardened legal, is had by polyethylene, polypropylene etc. first
Machine macromolecular material sintering makes two pieces of fan-shaped microwell plates, then two pieces of fan-shaped microwell plates by intermediate fabrication supporter, so
After bond or be sintered into one, make organic micro-porous filtration plate.Obtained in the method, the problem of organic micro-porous filtration plate presence is,
If be obtained using glue adhesive method, two pieces of fan-shaped microwell plate adhesion strengths are low, it is impossible to meet use requirement, in the course of work
In, in the case where such as vacuumizing filtration or blowback etc. have external force to act on, two pieces of fan-shaped microwell plates are easily deformed separation, lead
Cause is directly scrapped；If be obtained using sintering method, as fan-shaped microwell plate is organic polymer material, sintering temperature is too low,
The bond strength of two pieces of fan-shaped microwell plates is low, is easily deformed separation, it is impossible to meet use requirement, sintering temperature mistake in the course of work
Height, fan-shaped microwell plate can deform, and particularly cause the filtrate duct deformation inside two pieces of fan-shaped microwell plates or block, can direct shadow
The filter efficiency and service life of fan-shaped screen plate obtained in ringing.The method of the patent application publication of publication number CN101773748A
It is integrated sinter molding method, including the step such as mould installion, filler, pressure, heat-agglomerating, cooling withdrawing pattern.One sinter molding
One technological difficulties of method are how to be formed the filtrate duct being evenly arranged in organic micro-porous filtration plate, to ensure fan-shaped mistake
The filtration efficiency and service life of filter plate.The patent application of publication number CN101773748A refer to " to weigh prepare super
The loading of High molecular weight polyethylene powder 3 is scribbled in the die cavity of mould implant 4 of releasing agent ", wherein, the work of mould implant 4
The filtrate duct inside organic micro-porous filtration plate is formed with exactly supporting.But, not detailed disclosure in that patent
How mould implant 4 removes.If in the heat-agglomerating stage by heating fusing removal, due to being difficult to ensure that
Mould implant 4 the filtrate duct in organic micro-porous filtration plate formed completely and not redeformation in the case of reheat fusing go
Remove, it is generally the case that in heat-agglomerating, mould implant 4 also can rise and softening transform with temperature, so adopting this side
The easy Collapse Deformation in filtrate duct in organic micro-porous filtration plate obtained in method, or even blocking, directly affect obtained sector mistake
The filter efficiency and service life of filter plate.In addition, the shape of mould implant 4, material and the filter in organic micro-porous filtration plate
The localization method in fluid apertures road is not referred to.
The content of the invention
An object of the present invention is to provide a kind of processing method of organic microporous filter body, organic micropore obtained in processing
Filtering bodies filter efficiency is high, long service life.
The second object of the present invention is to provide a kind of organic microporous filter body.
In order to realize object above, the present invention is adopted the following technical scheme that.
A kind of processing method of organic microporous filter body, the processing method include step：
Make filtering bodies filtrate duct support：The shape in the filtering bodies filtrate duct arranged according to portion in organic microporous filter body
Shape and size, with the one or more combination in acid soluble metal, water-soluble saccharides, water soluble salt and alkali-soluble metal as original
Material, is fabricated to for building the filtering bodies filtrate duct support in the filtering bodies filtrate duct, the filtering bodies filtrate duct
Frame is coincide with the filtering bodies filtrate duct；
Making, assembly jig：Mould includes the die cap that die body and lid are located on the die body, has between die body and die cap
The filtering bodies filtrate duct support made is fixed on described filler intracavity, and causes the filtering bodies filter by packing cavity
Fluid apertures road support is laid in described filler intracavity equalization stable；
Filler sintering makes organic microporous filter body semi-finished product：To the tightly packed organic high score of filler intracavity of the mould
Sub- powder body material, afterwards heat-agglomerating molding obtain organic microporous filter body semi-finished product, organic microporous filter body semi-finished product
Inside also there is filtering bodies filtrate duct support；
Remove filtering bodies filtrate duct support：With water, acid solution or alkali liquor as solvent, dissolving removes organic micropore mistake
Filtering bodies filtrate duct support in filter body semi-finished product, forms shapes and sizes corresponding with the filtering bodies filtrate duct support
Filtering bodies filtrate duct, obtain integrally formed organic microporous filter body.
The processing method of described organic microporous filter body, also including step：After removing filtering bodies filtrate duct support, institute
State the hole formed after there is on the perisporium of organic microporous filter body removal filtering bodies filtrate duct support, described hole and filtration
The filtering bodies filtrate duct that portion is arranged in vivo communicates, and is preserved for the spigot joint hole of evacuation, and remaining described hole is sealed
Part is sealed.
Organic microporous filter body includes organic micro-porous filtration plate, organic microporous filter post, organic microporous filter ball.
Organic micro-porous filtration plate is the fan-shaped organic micro-porous filtration plate for vacuum filter.
There is on the die body face adjacent with the die cap of the die body fan-shaped filling material chamber caved in, the die cap inner surface
Protruding block is respectively provided with the face of described filler bottom of chamber, filtering bodies filtrate duct support is supported and fixed on by institute by the protruding block
State filler intracavity；The bottom surface of the filtering bodies filtrate duct support to described filler bottom of chamber face distance be lower limit distance, it is described
The top surface of filtering bodies filtrate duct support to the die cap inner surface distance be upper distance limit, the upper distance limit and it is described under
From equal, scope is 2mm～20mm to range line.
Optionally, there is on the die body face adjacent with the die cap of the die body fan-shaped filling material chamber caved in, it is described to fill out
At least two are provided with the cavity wall in material chamber for installing the fitting recess of the fixation filtering bodies filtrate duct support, the filtration
With at least two protrusion fulcrums on the side of body filtrate duct support, the protrusion fulcrum is set with the fitting recess corresponding matching
Put, the filtering bodies filtrate duct support is installed in the fitting recess by the protrusion fixed pivot；The filtering bodies filter
The bottom surface of fluid apertures road support to described filler bottom of chamber face distance be lower limit distance, the top surface of the filtering bodies filtrate duct support
Distance to the die cap inner surface is upper distance limit, the upper distance limit and the lower limit apart from equal, scope be 2mm～
20mm。
Further, one is provided with four cavity walls in the fan-shaped filling material chamber for installing the fixation filtering bodies
The fitting recess of filtrate duct support, on the side of the filtering bodies filtrate duct support, fitting recess described in corresponding matching is provided with
Four protrusion fulcrums, the filtering bodies filtrate duct support are installed in the fitting recess by the protrusion fixed pivot.
It is provided with for the filtering bodies filter that is fixed and clamped on the top of filtering bodies filtrate duct support in the fitting recess
The compact heap of fluid apertures road support.
Reaction condition during heat-agglomerating molding is：At 170～300 DEG C, 1～8 hour is incubated, takes out cooling, take apart
Mould.
A kind of organic microporous filter body, including filtering body, are provided with filtering bodies filtrate duct, institute in the filtering body
To state that be additionally provided with filtering body vacuum spigot joint, the filtering body is sintered to be integrally formed processing and be obtained, filtering bodies filtrate hole
Road is located at the center of the filtering body, the most short distance of the hole wall in the filtering bodies filtrate duct to two side external surface of filtering body
From equal, the distance is 2mm～20mm.
The processing method of organic microporous filter body that the present invention is provided, by filtering bodies filtrate hole is fixedly installed in mould
Road support, and ensure that filtering bodies filtrate duct support is laid in filler intracavity equalization stable, then refilling sintering makes organic
Microporous filter body semi-finished product, remove the filtering bodies filtrate duct support in organic microporous filter body semi-finished product afterwards, obtain one
Organic microporous filter body of molding.The processing method of organic microporous filter body that the present invention is provided, can be used for organic microporous filter
Plate, organic microporous filter post, the processing of organic microporous filter ball, are particularly suited for vacuum filter with fan-shaped organic microporous filter
Plate is integrally formed processing, for the screen plate of other profiles, such as circle, rectangle, square etc., as long as arranging in screen plate
There is filtrate duct, the processing method of the present invention can be adopted to carry out being integrally formed processing.
The processing method of organic microporous filter body that the present invention is provided has the advantages that.On the one hand, filtering bodies filter
Fluid apertures road support is that clamp is fixed on described filler intracavity, and in the step such as filler and sintering, filtering bodies filtrate duct support is not
Can be shifted over, therefore the shape of the filtering bodies filtrate duct therein of organic microporous filter body made by can ensure that and design,
Size, position are basically identical, and then the dielectric strength of organic microporous filter body made by ensure that so that filtering bodies can either be held
The filter material of load q.s, and meet the function of air blowback or clear water backwash under elevated pressures, extend organic micropore
The service life of filtering bodies；On the other hand, and important aspect, due to during the entire process of heat-agglomerating molding,
Filtering bodies filtrate duct support disappears all without fusing, and after the complete cooling shaping of organic microporous filter body, re-dissolved is removed wherein
Filtering bodies filtrate duct support, therefore, obtained organic microporous filter body filtrate duct therein is complete in this way
It is unimpeded, there is no the possibility of Collapse Deformation so that the filtrate in filter process can be able in time separate and discharge, it is ensured that system
The filter efficiency and service life of the organic microporous filter body for obtaining.
Description of the drawings
Fig. 1 is the structural representation of screen plate filtrate duct support 1 in the embodiment of the present invention 1；
Fig. 2 is the left view of the mould assembled in the embodiment of the present invention 1；
Fig. 3 is the front view of die body 3 in the embodiment of the present invention 1；
Fig. 4 is the axonometric chart of die body 3 in the embodiment of the present invention 1；
Fig. 5 is the axonometric chart of die cap 9 in the embodiment of the present invention 1；
Fig. 6 is the right view of die cap 9 in the embodiment of the present invention 1；
Fig. 7 is the front view that die body 3 installs after screen plate filtrate duct support 1 in the embodiment of the present invention 1；
Fig. 8 is the position relationship schematic diagram of die body 3, screen plate filtrate duct support 1 and die cap 9 in the embodiment of the present invention 1；
Fig. 9 is the structural representation of the organic micro-porous filtration plate made；
Figure 10 is the A-A of Fig. 9 to sectional view；
Figure 11 is the structural representation of screen plate filtrate duct support 1 in the embodiment of the present invention 2；
Figure 12 is the axonometric chart of die body 3 in the embodiment of the present invention 2；
Figure 13 is the axonometric chart that die body 3 installs after screen plate filtrate duct support 1 in the embodiment of the present invention 2；
Figure 14 is the right view of die cap 9 in the embodiment of the present invention 2；
Figure 15 is the axonometric chart of die cap 9 in the embodiment of the present invention 2；
Figure 16 is the structural representation after Figure 13 sets up compact heap 13.
Specific embodiment
Technical scheme is described in detail below by specific embodiment.
Embodiment 1
A kind of processing method of organic micro-porous filtration plate, including step：
Make screen plate filtrate duct support 1：The filtrate duct arranged inside screen plate filtrate duct support 1 and screen plate
Shapes and sizes are coincide；The filtrate duct arranged inside screen plate can have various ways and specification, can be well word in form
Channel design, netted channel design, side-by-side channels structure, tiltedly arrange channel design, cross channel structures, irregular channel design,
Straight-line channel structure, curved channel structure etc., the specification of the screen plate in specification according to processing are different, arrange inside screen plate
The specification in filtrate duct can also be adjusted, the structural representation of the screen plate filtrate duct support 1 of the present embodiment is shown in Fig. 1 institutes
Show；When making screen plate filtrate duct support 1 can by welding, bonding, car, cut, milling, plane, cutting, the mode such as casting
Processing is obtained, and the material of screen plate filtrate duct support 1 should be higher than heat-agglomerating molding reaction temperature for fusing point, and can quilt
The solid material that water, acid or alkali are dissolved at 0～120 DEG C, for example, can be acid soluble metal, water-soluble saccharides, water soluble salt
One or more combination in class, alkali-soluble metal.The 1 material selection water solublity of screen plate filtrate duct support of the present embodiment
Salt, processing method is：Water soluble salt is fused into liquid by heated baking, then the high temperature solution for obtaining is filled into and filtrate duct
In the mould that structure is coincide, coagulation forming is obtained after cooling.
Making, assembly jig：As shown in Fig. 2-Fig. 8, the mould of the present embodiment includes that die body 3 and lid are located on die body 3
Die cap 9, has the fan-shaped filling material chamber 6 caved in, 9 inner surface of die cap and packing cavity 6 on the die body face adjacent with die cap 9 of die body 3
Protruding block 5 on 6 bottom surface of protruding block 5 and packing cavity each on bottom surface to be uniformly laid with three protruding blocks 5, on 9 inner surface of die cap
It is correspondingly arranged, the screen plate filtrate duct support 1 made is placed in the fan-shaped filling material chamber 6 of die body 3, die cap is then covered
9, the screen plate filtrate duct support 1 made is supported and fixed on by (shown in Fig. 8), screen plate in packing cavity 6 by protruding block 5
The distance of the bottom surface of filtrate duct support 1 to 6 bottom surface of packing cavity is lower limit distance, and the top surface of screen plate filtrate duct support 1 arrives
The distance of 9 inner surface of die cap is upper distance limit, and apart from equal, span is 2mm～20mm, such as Fig. 8 for upper distance limit and lower limit
Shown in, h1=h2, h3=h4, but h1 and h3 can with unequal, i.e., same on the vertical line of fan-shaped filtration panels,
Made by the thickness of organic micro-porous filtration plate both sides sector filtration panels be identical, so in such as vacuumizing filtration or blowback
In the case of having external force to act on, the uniform force of both sides sector filtration panels is less prone to filtration panels somewhere stress excessive
And cause rupture situations such as, but different on the vertical line of fan-shaped filtration panels, made by organic microporous filter
The thickness of plate both sides sector filtration panels can be with unequal with difference, i.e. h1 and h3, reason is the whole mistake in filter process
The distribution of force of filter plate is not uniform, and some places stress is big and some places stress is little, just can basis in design
Distribution of force situation thickeies the thickness of filtration panels where stress is big, but as long as ensureing the filtration panels of correspondence side at this
The thickness at place is also identical, and apart from equal, span is 2mm～20mm, the mistake big for specification for upper distance limit and lower limit
Filter plate takes the higher value in the range of this, the distance can ensure that made by filtration panels have higher dielectric strength so that system
The screen plate for obtaining can either carry the filter material of q.s, and meet the work(of air blowback or clear water backwash under elevated pressures
Energy；There is on die body 3 and die cap 9 screwed hole 4 being correspondingly arranged, screw rod 14 is installed in screwed hole 4, then is coordinated by nut 15
Die body 3 and die cap 9 are installed.
Filler sintering makes organic microporous filter boards half-finished product：The tightly packed organic polymer into the packing cavity 6 of mould
Powder body material, organic polymer powder body material can be polrvinyl chloride, polyethylene, polypropylene, chlorinated polyethylene, politef
In one or more mixing, until fill, cover tightly end cap 7, afterwards heat-agglomerating molding, reaction bar during heat-agglomerating molding
Part is：At 170～300 DEG C, 1～8 hour is incubated, takes out cooling, take mould apart, obtain organic microporous filter boards half-finished product,
Also there is in organic microporous filter boards half-finished product screen plate filtrate duct support 1.
Remove screen plate filtrate duct support：The screen plate filtrate in organic microporous filter boards half-finished product is removed with water dissolution
Duct support 1, obtains integrally formed organic micro-porous filtration plate, has and remove screen plate filtrate duct on organic micro-porous filtration plate
The hole formed after support, hole are communicated with the filtrate duct arranged inside screen plate.
Post processing：It is preserved for the spigot joint hole of evacuation, remaining hole is sealed with screw.
The organic micro-porous filtration plate made has screen plate water nozzle 10 as shown in Figure 9, in the lower wall of screen plate, filters
Plate water nozzle 10 is communicated with the filtrate duct arranged inside screen plate.The processing method of screen plate water nozzle 10 can be adopted：Will be organic
After micro-porous filtration plate is processed, then in the lower wall of screen plate perforate method, perforate is spigot joint with vacuum to be tightly connected, and is used as
Screen plate water nozzle 10.The method for directly processing can also be adopted, as shown in Figure 1, Figure 3, in packing cavity 6 and fan-shaped cavity wall
Fitting recess 8 is set in the cavity wall of relative side, protrusion fulcrum 2 is set on a side of screen plate filtrate duct support 1,
Protrusion fulcrum 2 is arranged with 8 corresponding matching of fitting recess, and 2 clamp of protrusion fulcrum of screen plate filtrate duct support 1 is fixed on fitting recess
In 8, as shown in Figure 7.On the one hand, the hole for being formed after screen plate filtrate duct support 1 is removed can be directly spigot joint with vacuum
It is tightly connected, as screen plate water nozzle 10, without separately processing again, on the other hand, protrusion fulcrum 2 is matched somebody with somebody with the corresponding of fitting recess 8
Conjunction setting is also beneficial to screen plate filtrate duct support 1 and fixes in the support in packing cavity 6.
In order to preferably support 1 clamp in screen plate filtrate duct is fixed in packing cavity 6, can be with fitting recess 8
The top of protrusion fulcrum 2 is provided for being fixed and clamped the compact heap of screen plate filtrate duct support 1.
Embodiment 2
The present embodiment is as follows with the difference step of embodiment 1, and other steps are identical.
Make screen plate filtrate duct support 1：The filtrate duct arranged inside screen plate filtrate duct support 1 and screen plate
Shapes and sizes are coincide；The structural representation of the screen plate filtrate duct support 1 of the present embodiment is as shown in Figure 11；Material selection
Aluminum, processing method are casting.
Making, assembly jig：As shown in Figure 11-Figure 15, the mould of the present embodiment includes that die body 3 and lid are located on die body 3
Die cap 9, there is the fan-shaped filling material chamber 6 caved in, in four cavity walls of packing cavity 6 on the die body face adjacent with die cap 9 of die body 3
A fitting recess 8 for installing fixed screen plate filtrate duct support 1 is provided with, four fitting recess 8 are along 6 periphery of packing cavity
Uniform to lay, the bottom land of fitting recess 8 is above 6 bottom surface of packing cavity, respectively to be had on four sides of screen plate filtrate duct support 1
One protrusion fulcrum 2, protrusion fulcrum 2 are arranged with 8 corresponding matching of fitting recess, and screen plate filtrate duct support 1 is by protruding fulcrum 2
Be fixedly installed in fitting recess 8, so as to by screen plate filtrate duct support 1, firmly clamp is fixed in packing cavity 6, in filler and
Sintering etc. in step screen plate filtrate duct support 1 all without being shifted over；The bottom surface of screen plate filtrate duct support 1 is to filler
The distance of 6 bottom surface of chamber is lower limit distance, and the distance of the top surface of screen plate filtrate duct support 1 to 9 inner surface of die cap is upper range line
From, upper distance limit and lower limit apart from equal, span is 2mm～20mm；By screen plate filtrate duct support 1, firmly clamp is solid
Be scheduled in packing cavity 6, filler and sintering etc. in step screen plate filtrate duct support 1 all without being shifted over, so as to ensure
Upper distance limit and lower limit have the screwed hole 4 being correspondingly arranged on die body 3 and die cap 9, install in screwed hole 4 apart from equal
Screw rod 14, then coordinated by nut 15 die body 3 and die cap 9 are installed, you can carry out next step operation.
Remove screen plate filtrate duct support：The screen plate filter in organic microporous filter boards half-finished product is removed with dissolving with hydrochloric acid
Fluid apertures road support 1, obtains integrally formed organic micro-porous filtration plate, has and remove screen plate filtrate hole on organic micro-porous filtration plate
The hole formed after road support, hole are communicated with the filtrate duct arranged inside screen plate.
Post processing：Hole on screen plate upper side wall, left side wall and right side wall is sealed with thermosetting resin, is filtered
Hole in plate lower wall is spigot joint with vacuum to be tightly connected, as screen plate water nozzle 10.
Processing method of the processing method of the present embodiment better than embodiment 1, because its hole for being formed is in the side of screen plate
On wall, screen plate side wall is non-working surface, and on the wall of side, eventually coating paint etc. blocks coating, therefore the workability to screen plate
Can have no effect.
In order to preferably support 1 clamp in screen plate filtrate duct is fixed in packing cavity 6, can be with fitting recess 8
The top of protrusion fulcrum 2 is provided for being fixed and clamped the compact heap 13 of screen plate filtrate duct support 1, as shown in Figure 16.
Embodiment 3
As shown in Fig. 9, Figure 10, a kind of organic micro-porous filtration plate, including filtering body 11, it was provided with filtering body 11
Filter plate filtrate duct 12, is additionally provided with vacuum spigot joint 10 on filtering body 11, filtering body 11 is sintered to be integrally formed processing system
, screen plate filtrate duct 12 is located at the center of filtering body 11, the hole wall in screen plate filtrate duct 12 to 11 liang of filtering body
The beeline of side external surface is equal, i.e. h5=h6, and distance is 2mm～20mm.
The processing method of organic micro-porous filtration plate that embodiment of the present invention 1-2 is provided has the advantages that.On the one hand,
Screen plate filtrate duct support 1 is that clamp is fixed in packing cavity 6, the screen plate filtrate duct in the step such as filler and sintering
Frame 1 all without being shifted over, therefore organic micro-porous filtration plate both sides sector filtration panels made by ensure that it is same perpendicular to
On the horizontal line of fan-shaped filtration panels, its thickness is identical, i.e. the fan-shaped filtration panels thickness of screen plate filtrate duct both sides
Identical, so in the case where such as vacuumizing filtration or blowback etc. have external force to act on, the stress of both sides sector filtration panels is equal
It is even, be less prone to filtration panels somewhere stress it is excessive and cause rupture situations such as, with higher dielectric strength so that filter
Plate can either carry the filter material of q.s, and meet the function of air blowback or clear water backwash under elevated pressures, extend
The service life of organic micro-porous filtration plate；And the existing method for preparing organic micro-porous filtration plate that is integrally formed is it cannot be guaranteed that mistake
The fan-shaped filtration panels thickness of filter plate filtrate duct both sides is identical, and often thickness opposite side in side is thin, or somewhere thickness somewhere is thin,
Randomness greatly, in the case where such as vacuumizing filtration or blowback etc. have external force to act on, often receive by both sides sector filtration panels Jing
Power is uneven, and the easily rupturable situation in somewhere in side filtration panels rupture or double-side filtering panel often occurs in Jing in use, leads
Monoblock screen plate is caused to scrap.On the other hand, and important aspect, due to during the entire process of heat-agglomerating molding,
Screen plate filtrate duct support 1 disappears all without fusing, and after the complete cooling shaping of organic micro-porous filtration plate, re-dissolved removes which
In screen plate filtrate duct support 1, therefore, obtained organic micro-porous filtration plate filtrate duct therein is complete in this way
It is whole unimpeded, there is no the possibility of Collapse Deformation so that the filtrate in filter process can be able in time separate and discharge, it is ensured that
The filter efficiency and service life of obtained fan-shaped screen plate.
Claims (4)
1. a kind of processing method of organic microporous filter body, it is characterised in that the processing method includes step：
Make filtering bodies filtrate duct support：According in organic microporous filter body portion arrange filtering bodies filtrate duct shape and
Size, with the one or more combination in acid soluble metal, water-soluble saccharides, water soluble salt and alkali-soluble metal as raw material,
Be fabricated to for building the filtering bodies filtrate duct support in the filtering bodies filtrate duct, the filtering bodies filtrate duct support with
The filtering bodies filtrate duct coincide；
Making, assembly jig：Mould includes die body and the die cap that is located on the die body of lid, the die body with the die cap phase
There is on adjacent die body face the fan-shaped filling material chamber caved in and at least two to be used to install the fixation filtering bodies filtrate duct support
Fitting recess, the fitting recess located at the fan-shaped filling material chamber outward flange and be connected with the fan-shaped filling material chamber, the dress
Bottom surface of the bottom land with groove higher than the fan-shaped filling material chamber, has at least two on the side of the filtering bodies filtrate duct support
Protrusion fulcrum, the protrusion fulcrum are arranged with the fitting recess corresponding matching, and the filtering bodies filtrate duct support is by described
Protrusion fixed pivot is installed in the fitting recess；The bottom surface of the filtering bodies filtrate duct support is to described filler bottom of chamber face
Distance is lower limit distance, and the distance of the top surface of the filtering bodies filtrate duct support to the die cap inner surface is upper distance limit,
Apart from equal, scope is 2mm～20mm for the upper distance limit and the lower limit；
Filler sintering makes organic microporous filter body semi-finished product：To the tightly packed organic polymer powder of filler intracavity of the mould
Body material, afterwards heat-agglomerating molding are obtained in organic microporous filter body semi-finished product, organic microporous filter body semi-finished product also
With filtering bodies filtrate duct support；
Remove filtering bodies filtrate duct support：With water, acid solution or alkali liquor as solvent, dissolving removes organic microporous filter body
Filtering bodies filtrate duct support in semi-finished product, forms the shapes and sizes mistake corresponding with the filtering bodies filtrate duct support
Filter body filtrate duct, obtains integrally formed organic microporous filter body.
2. the processing method of organic microporous filter body according to claim 1, it is characterised in that the fan-shaped filling material chamber
A fitting recess for installing the fixation filtering bodies filtrate duct support is provided with four cavity walls, in the filtering bodies
On the side of filtrate duct support, fitting recess described in corresponding matching is provided with four protrusion fulcrums, the filtering bodies filtrate duct
Frame is installed in the fitting recess by the protrusion fixed pivot.
3. the processing method of organic microporous filter body according to claim 2, it is characterised in that in mistake in the fitting recess
The top of filter body filtrate duct support is provided with the compact heap for the filtering bodies filtrate duct support that is fixed and clamped.
4. the processing method of organic microporous filter body according to claim 1, it is characterised in that during heat-agglomerating molding
Reaction condition is：At 170～300 DEG C, 1～8 hour is incubated, takes out cooling, take mould apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578604.9A CN105233554B (en) | 2015-09-11 | 2015-09-11 | A kind of processing method and organic microporous filter body of organic microporous filter body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578604.9A CN105233554B (en) | 2015-09-11 | 2015-09-11 | A kind of processing method and organic microporous filter body of organic microporous filter body |
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| CN109847438B (en) * | 2019-02-20 | 2023-12-12 | 洛阳矿山机械工程设计研究院有限责任公司 | Conical surface inserted single-side fixing device of disc filter plate |
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