CN104415591B - Integrated, multi-level metal sintering felt crosses filter dish - Google Patents
Integrated, multi-level metal sintering felt crosses filter dish Download PDFInfo
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- CN104415591B CN104415591B CN201310399998.2A CN201310399998A CN104415591B CN 104415591 B CN104415591 B CN 104415591B CN 201310399998 A CN201310399998 A CN 201310399998A CN 104415591 B CN104415591 B CN 104415591B
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- metal
- sintering
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- mesh
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Abstract
The present invention relates to using, such as the filtering of high-temperature and high-viscosity polymer liquid, lower resistance and High dust holding rate, it constructs simpler integral sintered integrated, multi-level metal sintering felt and crosses filter dish.
Description
Technical field
The present invention relates to high temperature resistant, high pressure, high-viscosity polymer melt high transmission, the integrations of lower resistance and High dust holding rate
Multilayer metal sintering felt crosses filter dish.
Background technique
It is needed as fine definition plastic film produces, previous metal mesh filter is unable to satisfy high filtering precision already
It needs.Metal sintering felt, it is extensive for the filtering material of characteristic with high temperature resistant, high filtering precision, High dust holding efficiency and lower resistance
It attractes attention while the needs in order to be suitble to production application, the metal that further high-precision multilayer different structure is developed in in-depth is filtered
Material just seems particularly significant.
Japan developed it is existing cross filter dish, with two-sided multiple net sintering felt for main filtering material, intermediate addition punching press
Molding concave-convex surface support plate, while punched-plate is placed between concave-convex support plate and filter material, inside intermediate circular hole portion
It is implanted into the compressive sealed ring for being provided with aperture again, the complicated structure that last outer rim is welded forms.This high price crosses filter dish
Product is suitable for cleaning repeatedly and utilizes, but the impurity for being deposited on the inside is difficult to clean up.
This patent is considered thoroughly to improve existing filter dish structure of crossing, so as to go out anti-stress strong for development and production, it is resistance to
High temperature and lower resistance multilayer composite filter material, and disposable rear recuperable integrated, multi-level metal is made simultaneously and burns
Knot felt crosses filter dish.
Summary of the invention
The filter element (Fig. 6) that filter dish is made of filtering material A and backing material B is crossed, it must when in order to meet high-pressure filteration
The requirement for the passage gaps wanted and the intensity of fid, the line footpath of backing material are
Backing material part, wire bent projection and curved C portion will cause bigger local pressure (Fig. 3),
In sintering first by metal net surface passivation, increase the contact area with filter felt, then carry out integral sintered.In addition, removing
Outside main filtering medium metal felt, intermediate support and the gap for filtering liquid through part are filter lower resistance height stream
The key of amount is allowed to guarantee that liquid being filtered can be using the mesh grid of metal double helix or the backing material of special shape
Latitude and longitude intermediate space passes through.
However, can increase the line number of mesh grid latitude and longitude to increase the intensity of support section, liquid can be made by increasing line number
The passage gaps of body are reduced, and filtering highly viscous polymer can not pass through.
In addition, circulation seam can be made by reducing latitude and longitude line number in order to increase flow pass gap adjustment P1 and P2 spacing (Fig. 3)
Gap increases, but for supporting the supporting point of filter material to reduce, will cause filter felt surface pressure and increase, tip portion can be to filtering
Deformation is caused to damage in material surface.
Previous construction is so that the dregs of a large amount of cake filtrations of meeting can not clean in fid.Even after cleaning as possible
It has residual dregs to be stored in the gap of multi-layer sintering, residue can be made to be mixed into product in use, so that product quality deteriorates.
Previous filter dish of crossing is using metal piercing plate as fid, punching pressure-resisting plate, and metal, which stands upside down, arranges the multilayers such as fid
Construction, can all be such that the weight of filter material increases, while internal liquid communication is influenced to different extents, especially in viscosity
Circulating resistance increases in the case where bigger.
The present invention is a kind of sintering filtering integral lamination metal filtration material, and with a thickness of the 2/3 of present product, weight is existing
The 1/2 of product.Previous complicated structure is met with to improve and handles molten polymer lower resistance under lower resistance for this purpose
Filtering, and be made of disposable simple structure is met.
Detailed description of the invention
Fig. 1 was the sectional schematic diagram of filter dish；
Fig. 2 was the floor map of filter dish；
Fig. 3 was backing material organigram inside filter dish；
Fig. 4 was backing material metal double helix mesh grid latitude and longitude sectional schematic diagram inside filter dish；
Fig. 5 was the filtering material structural map section of filter dish；
Fig. 6 was that the finished product section of filter dish constitutes detail drawing.
Specific embodiment
In order to enable more there is intensity on sintering felt surface, net is answered with 48 and 40 mesh number metals in the two sides for being sintered material, and centre is
The filtering material of the simple structure of the sandwich style of support material.Support material latitude and longitude, bump weave repeatedly, are formed with section seam
The integral sintered layer integration filter felt of the multilayer of gap.
Be sintered the upper and lower surface of the felt first metal mesh with 48 mesh of high density and 40 mesh, in the case where fusing point is relatively tapped into
Row sintering, then the special-shaped metal mesh woven with 8 mesh as the intermediate standard metal mesh of fid or special mesh number carry out secondary burning
Knot.In order to improve fid and be sintered the anti-pressure ability of filter material, when sintering first to the metal net as support material into
The passivation of row bump is sintered, then carries out integral sintering.The part for the punched-plate of eliminating over subtracts weight and filtration resistance
It is low.
Integral sintering filter material, since mesh grid and sintering felt are integrally sintered, concave-convex net and felt surface form inner rigid
Property triangle rock-steady structure so that multi-layer sintering filter material have stronger compressive resistance ability.
Fig. 1, Fig. 2 show that integrated, multi-level metal sintering crosses filter dish 1, be go out the filter material 2 of circular hole by heartcut, and
It is constituted (fid 3, in detail by Fig. 3, the latitude and longitude 5.6 of Fig. 4 are constituted) as the 3 of backing material, filter material 2 and latitude and longitude in Fig. 5
5,6 carry out whole double sintering simultaneously.
Filtering material 2 and backing material 3 it is integral sintered after material, by laser cutting center hole and to outer rim into
Row punching press sealing moulding.
Integrated, multi-level metal sintering felt crosses filter dish 1, outer support frame 4 shown in Fig. 2, multi-filtering dish overlapping used as
The bracket of centre segmentation uses.The outer surface that high polymer flows through this entered filter dish and was filtered.
The support material 3 of upper note is shown in Fig. 3, Fig. 4, the metal mesh of standard, warp 5, the supporting network that weft 6 is constituted, this gold
Belonging to silk thread can be stainless steel wire, the refractory metals silk such as nickel wire, and line footpath existsBetween circle and special-shaped wire.Root
According to different use conditions, the material and shape of various lines can be adjusted arbitrarily.It can be placed in usual 10mmLongitude and latitude
Line, line number can increase the thickness of latitude and longitude while reduction.
It is constructed due to improving, traditional (Japanese Patent Laid-Open 11-76721) the intermediate support ring and branch with perforation
Punched-plate part among timbering and filter material is removed, and the more original situation of the circulation area of the part increases about 1.5 times, simultaneously
So that overcurrent resistance reduces.
Specific embodiment, as shown in Figure 1, filtering material 2, backing material 3, filtering material 2 are filter material fibrofelt and reinforcement
It is sintered with fine metal net, and carries out double sintering with the support material of metal mesh 3.The line footpath of backing material metal mesh isWarp 5, weft 6 weaves with knitting forming machine.
3 available standards of support materialMesh metal mesh, or the metal double helix mesh grid of equivalent mesh number.
If according to backing material 3 using overall weight being allowed to mitigate 30 in the case of metal double helix mesh grid
Gram or so.Most sags and crests increase supporting point compared with previous common plain net, are increased by gap.Due to crossing the thickness of filter dish
Spend it is thinning, originally 60 pieces of filter space can accommodate 90 pieces cross filter dish.
Special braiding backing material is compared with common woven metal mesh support material, and gap rate increases between concave-convex latitude and longitude
Big effect is obvious.Special braided material is that stainless steel wire (0.8 millimeter of diameter) is made thickness 4mm.Pitot loss is 67.9kg/
Mm2 reduces 10% compared to the pressure loss than product always.
Invention effect
In conclusion the present invention is due to being omitted having the support ring perforated and fid and filtering among just for centre
Punched-plate, own wt mitigate, and thickness is thinning, and what be can be used crosses filter dish piece number under same space, can accommodate past
1.5 again.In the case of same filtering traffic, the replacement cycle of filter is extended, filter flowing resistance reduces flow behavior and obtains
Improve.?Phosphorus (polypropylene) polymer melt is tested and is verified in process flow.
Due to using disposable construction, residual impurity problem improves completely compared with the past cleans recycling.So that
Filtering product has more higher reliability.
Due to being remarkably reinforced using the rigidity of disposable construction, integral filter dish, so as to be used for high pressure resistant
High temperature, the filter material of high filtering precision.
Because crossing filter dish integrally is same stainless steel material production, used filter dish of crossing can be recycled directly,
Dissolution recycles.
Claims (4)
1. integrated, multi-level metal sintering felt crosses filter dish, the filtering material of circular hole is gone out by heartcut and backing material is constituted,
Be characterized in that: filtering material is that net metal composite sintering felt is answered on two sides, and it is by filtering that net metal composite sintering felt is answered on the two sides
Metal sintering felt upper and lower surface is sintered in the case that metal mesh taps into compared with fusing point, and the integrated, multi-level metal is burnt
It is that the two sides as described in upper and lower two panels answer that net metal composite is sintered felt and intermediate supports material is integral sintered forms that knot felt, which crosses filter dish, after
It is cut into intermediate circular hole and is sealed through outer rim punching press, the support ring without containing punched-plate and perforation.
2. integrated, multi-level metal sintering felt according to claim 1 crosses filter dish, it is characterised in that: backing material is metal
There is the filtering liquid formed by the concavo-convex portion that latitude and longitude weave to lead to for double helix mesh grid, the metal double helix mesh grid
Road.
3. integrated, multi-level metal sintering felt according to claim 2 crosses filter dish, it is characterised in that: first to the filtering gold
Belong to sintering felt and multiple net up and down carry out it is once sintered form the two sides and answer net metal composite be sintered felt, 500 DEG C of sintering temperature；Again
Net metal composite sintering felt is answered on the two sides sintered and the metal double helix mesh grid carries out double sintering, knot sintering
700 DEG C of temperature.
4. integrated, multi-level metal sintering felt according to claim 1 crosses filter dish, it is characterised in that: the backing material is
8 mesh metal meshes, the 8 mesh metal mesh are 8 mesh plain weave metal nets or metal double helix mesh grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399998.2A CN104415591B (en) | 2013-09-05 | 2013-09-05 | Integrated, multi-level metal sintering felt crosses filter dish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399998.2A CN104415591B (en) | 2013-09-05 | 2013-09-05 | Integrated, multi-level metal sintering felt crosses filter dish |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104415591A CN104415591A (en) | 2015-03-18 |
| CN104415591B true CN104415591B (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310399998.2A Expired - Fee Related CN104415591B (en) | 2013-09-05 | 2013-09-05 | Integrated, multi-level metal sintering felt crosses filter dish |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618209A (en) * | 2022-04-18 | 2022-06-14 | 核工业烟台同兴实业集团有限公司 | Special filter of petroleum sand |
| CN115559003A (en) * | 2022-10-13 | 2023-01-03 | 浙江恒优化纤有限公司 | Semi-dull drawn yarn production method and production equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229320A (en) * | 1995-02-28 | 1996-09-10 | Hitachi Metals Ltd | Metallic filter and its production |
| JPH1176721A (en) * | 1997-09-01 | 1999-03-23 | Nippon Seisen Co Ltd | Laminated metal filter |
| JP2007090231A (en) * | 2005-09-28 | 2007-04-12 | Nippon Seisen Co Ltd | Metal fiber filter with pleat for molten polymer |
| CN201848160U (en) * | 2010-06-10 | 2011-06-01 | 何赞果 | Detachable filtering disc |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522151Y (en) * | 2001-12-30 | 2002-11-27 | 陈炳权 | Metal fiber blanket with protective net |
-
2013
- 2013-09-05 CN CN201310399998.2A patent/CN104415591B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229320A (en) * | 1995-02-28 | 1996-09-10 | Hitachi Metals Ltd | Metallic filter and its production |
| JPH1176721A (en) * | 1997-09-01 | 1999-03-23 | Nippon Seisen Co Ltd | Laminated metal filter |
| JP2007090231A (en) * | 2005-09-28 | 2007-04-12 | Nippon Seisen Co Ltd | Metal fiber filter with pleat for molten polymer |
| CN201848160U (en) * | 2010-06-10 | 2011-06-01 | 何赞果 | Detachable filtering disc |
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|---|---|
| CN104415591A (en) | 2015-03-18 |
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