CN102733894A - High-permeability postprocessing carrier unit - Google Patents
High-permeability postprocessing carrier unit Download PDFInfo
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- CN102733894A CN102733894A CN2012102388084A CN201210238808A CN102733894A CN 102733894 A CN102733894 A CN 102733894A CN 2012102388084 A CN2012102388084 A CN 2012102388084A CN 201210238808 A CN201210238808 A CN 201210238808A CN 102733894 A CN102733894 A CN 102733894A
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- filter disc
- sides
- carrier
- permeability
- postprocessing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention relates to a high-permeability postprocessing carrier unit, which is characterized in that by adoption of a wire mesh, a sintered felt or a vapor-liquid filtering net, a plurality of squares with the 1/3 width are cut on two sides of a central axis in the length direction, angles of the plurality of squares are folded into a plurality of equilateral triangles and are laminated or subjected to spot welding to form a filter disc with sharp angles on two sides, the filter disc and another filter disc with flat two sides are laminated and are wound along one end to manufacture the high-permeability postprocessing carrier unit for a vehicle. Therefore, a plurality of wedge-shaped buffer spaces which are uniformly distributed are formed at the inlet end or the outlet end, the backpressure is reduced under the condition that the filtering effect is not reduced, and the replacement and maintenance intervals are prolonged are prolonged; and therefore, serving as a postprocessing carrier, the high-permeability postprocessing carrier unit can serve as a carrier of a DOC (disk on chip), a POC (particulate organic carbon), a DPF (diesel particulate filter) and an SCR (silicon controlled rectifier) and has a certain practical significance and high application value.
Description
Technical field
The present invention relates to a kind of high-permeability reprocessing carrier element, be applied to DOC, SCR, DPF or the POC reprocessing industry of vehicle exhaust.
Background technique
Current, the whole world faces the comprehensive challenge of the energy and environment.Aspect the technological means selection of the emission compliance of orthodox car, people still face many difficult problems, for example, how to select the aspect such as carrier and catalyzer of reprocessing.
The reprocessing carrier is the key factor that constitutes automobile-used reprocessing platform, by the end of so far, is the ceramic monolith of import in the overwhelming majority aspect the reprocessing carrier, and the mechanical strength of this ceramic monolith is poor slightly, not too is adapted to actual situation of China; Equally, the metallic carrier of the maturation of some special constructions becomes the key factor of the Chinese reprocessing industry development of restriction also by external technology and patent monopolization.
Therefore, how obtaining low cost and high performance reprocessing carrier is the core content that advances this art progress.
According to the applying working condition of automobile-used preprocessor, and to the complex art requirement of carrier, metal beehive, metal foam, wire gaze, steel fiber and inorfil also are the good options of carrier material.
The ceramic monolith that reprocessing is used; Usually all be to adopt special-purpose ceramic-metallic 3M liner ' to comprise ' firmly carrier, and be fixed together carrier and housing encapsulation, satisfy the cold conditions of vehicle and hot anti-vibration requirement; But; The cost of material is higher on the one hand, and encapsulation must be adopted robot line on the other hand, influences competitiveness of product.
And above-mentioned used metallic carrier unit just is not suitable for using this ceramic-metallic 3M liner when encapsulation.Here, be not that the encapsulation of the carrier of metal material just has not a particle of problem, on the contrary, cold conditions and the hot anti-vibration that satisfy vehicle require also must take the multiple technologies measure; For example; Can in vacuum brazing furnace, carry out soldering to the carrier integral body of the metal material of column handles; This technology, though can solve the strength problem of carrier element; Equipment cost and production technology with high costs do not meet the characteristics of the friendly process process of low-carbon energy-saving environmental protection fully yet; Also can add cartridge support structure to the carrier two ends of the metal material of column; Also can be between the carrier of the metal material of column ' crossing stiffening rib ' or the like; These measures have all changed the distributing homogeneity of the most basic airflow field of carrier; The result is ' local pressure uneven ', through GB or HJ vibration test the time, produces the infringement of form such as displacement.
Equally; There has been the metallic carrier of all kinds of wire mesh structure to occur on the market; But, there is blockage problem in various degree in this type exemplar in the stand degradation testing of 500 ~ 1000h of regulation, the back pressure index of actual measurement exemplar detects greater than 15kpa; Be up to 23kpa; To cause the VE Vehicle Economy variation when back pressure is higher, the reason that these blockage problem occur sums up in the point that the end is the macroscopical result of this type carrier and the optimization existing problems of microstructure, just when increasing filter area (filter bed volume), should optimize air-flow path;
At the Chinese patent information platform; Retrieve the method that application (patent) number is connected through resistant to elevated temperatures viscose with plain film for the patent of CN201010522911.2 ' a kind of tail gas clean-up is with metallic carrier and processing method thereof ' is the wave plate that forms of coiling with ' reprocessing carrier package ', ' encapsulation of reprocessing housing ' and ' housing encapsulation '; Application (patent) number is the structure of foam metal for the patent of CN200510024944.3 ' metal carrier for automobile tail gas purifier catalyst and preparation method thereof '; Application (patent) number is that U type flat board and the U type corrugated sheet that a kind of multilayer is superimposed constitutes for the patent of CN200910262284.0 ' metal carrier for exhaust purifier '; Application (patent) number is that outer casing inner wall coating nickel-based brazing powder and Bond carry out high-temperature soldering and make metallic carrier for the patent of CN200910177855.0 ' a kind of resistant to elevated temperatures metallic carrier '; Application (patent) number is the Preparation of catalysts of honeycomb metal carrier for the patent of CN201110048031.0 ' a kind of Cellulated wiremesh catalyzer and preparation that is used for fixing the source tail-gas denitration '; Application (patent) number for the patent of CN98125354.7 ' metallic carrier for catalyst ' be have one cylindrical and contain the honeycomb molded body of a plurality of vents that extend along axial direction; Application (patent) number is a plurality of planars and a plurality of corrugated shape wire gaze to be processed into the Cellulated wiremesh carrier of coating for the patent of CN200710010359.7 ' a kind of Cellulated wiremesh carrier with aluminum oxide coating layer and preparation method thereof '; Application (patent) number is that overlapping layers by multilayer corrugated band and dull and stereotyped band rolls the cellular cylinder that is welded into for the patent of CN200720088652.0 ' corrugated ribbon and the metallic carrier thereof of Motor Vehicle ternary catalyst purifier metallic carrier '; Application (patent) number is made up of by many strip metals ripple guipure juxtaposition or by many strip metals ripple guipure and metal plate guipure juxtaposition hole pattern formula metallic carrier for the patent of CN201020206068.2 ' hole pattern formula catalytic converter '; Application (patent) number is arranged at intervals with some honeycomb substrates that play the radial corrugation of choked flow effect for the patent of CN201020532458.9 ' a kind of tail gas clean-up metallic carrier of motorcycle ' is a plurality of filtering hole that are straight-through cavernous structure in the filtering hole; Think that above-mentioned patent does not have approximation in the present invention.
Summary of the invention
The object of the present invention is to provide a kind of high-permeability reprocessing carrier element, its performance and structure to existing reprocessing carrier is optimized, and has reduced the risk of stopping up, and has increased the probability that vibration test is passed through, and possesses practicability and advance.
Technological scheme of the present invention is achieved in that a kind of high-permeability reprocessing carrier element; It is characterized in that: be formed by stacking two filter discs; Employing length is D1=1500 ~ 18000mm; Width is wire gaze, sintering felt or the vapour-liquid filter screen of D3=200 ~ 450mm, and the filter disc coiling of their combinations is prepared from; One of them filter disc promptly on the width of D3/3, cuts out the tangent line of long and the wide D3/3 of being along on the D1 length width D 3 being divided into 3 parts, and forming the length of side is the square of D2=D3/3, and two adjacent limits are folded in half into 45
oThe equilateral triangle at angle; Be folded into 45 like this
oBehind the equilateral triangle at angle, the filter disc after the doubling carries out resistance welding or spot welding, after Kun presses, forms the regular filter disc of both sides wedge angle; Stack the filter disc that rolls or put postwelding both sides wedge angle and 1 both sides filter disc straight and that press through Kun, reel, process the processing carrier element along an end.
Two limits of described filter disc can corresponding be cut, and promptly the wedge angle after the doubling is corresponding one by one; After can also one side of filter disc being cut, in the another side dislocation cutting of filter disc, wedge angle was staggering along the D1 direction after the both sides of filter disc were folded into square like this.
Advantage of the present invention is to carry out the optimization of microstructure through the filter disc before reeling; Invent 2 ' filter disc unit ' that filter disc stacks, under the regular prerequisite of carrier macroscopic view, built the irregularity of surrounding and watching; Make the carrier behind the coiling have abundant ' contract type space '; Increase the area that gas filters, reduced blocked possibility, in use had positive effect.
Description of drawings
The schematic representation of Fig. 1 filter disc cutting.
Before reeling, Fig. 2 filter disc stacks schematic representation.
Exemplar after Fig. 3 reels.
Embodiment
Through embodiment the present invention is further described below, embodiment is not equal to restriction the present invention for further illustrating characteristics of the present invention,, all should be included within protection scope of the present invention according to the change that the present invention carries out for those skilled in the art.
Shown in Fig. 1-3, get the stainless mesh grid of SUS304 in 0.1mm silk footpath, length D1=6000mm, width D 3=300mm; Broad ways is divided into 3 parts, and on the width of each 100mm of the both sides at edge, it is long that vertical center line cuts/shear out 100mm respectively; 59 joint-cuttings of interval 100mm; Totally 118 of both sides, a side forms the square of 60 100mm * 100mm, totally 120 of both sides; Along each foursquare one jiao, according to 45
oThe direction at angle, two adjacent limits are folded in half into 45
oThe equilateral triangle 2 at angle; The resistance welding machine that adopts industry on each equilateral triangle after folding, soldering point 3 at least 10 points make it to become one; Adopt triroller machine the filter disc roll extrusion of preparation once, the corner is more neat, makes it regular filter disc 1; Straight and stack through the filter disc of Kun press roll extrusion with another both sides 1 filter disc that rolls or put postwelding, along its length an end is that ' core ' reels then, processes automobile-used high-permeability reprocessing carrier element.
Adopting thickness is that the SUS304 corrosion resistant plate of 1.5mm is as shell plates; Preparing internal diameter is 300mm, highly is the 340mm tubular shell, uses this tubular shell this carrier element core welded encapsulation; Each is fixing with the welding of tooth plate blend stop at two ends, has accomplished the preparation of reprocessing carrier;
As shown in Figure 1, getting thickness is the sintering felt of the SUS304 Stainless Steel Fibre of 1.2mm, length D1=4500mm, width D 3=300mm; Broad ways is divided into 3 parts, and on the width of each 100mm of the both sides at edge, it is long that vertical center line cuts/shear out 100mm respectively; 44 joint-cuttings of interval 100mm; Totally 88 of both sides, a side forms the square of 45 100mm * 100mm, totally 90 of both sides; Along each foursquare one jiao, according to 45
oThe direction at angle, two adjacent limits are folded in half into 45
oThe equilateral triangle 2 at angle; The resistance welding machine that adopts industry on each equilateral triangle after folding, soldering point 3 at least 10 points make it to become one; Adopt triroller machine the filter disc roll extrusion of preparation once, the corner is more neat, makes it regular filter disc 1; Straight and stack through the filter disc that Kun presses with another both sides 1 filter disc that rolls or put postwelding, along its length an end be ' core ' coiling then, processes automobile-used high-permeability reprocessing carrier element.
Adopting thickness is that the SUS304 corrosion resistant plate of 1.5mm is as shell plates; Preparing internal diameter is 300mm, highly is the 340mm tubular shell, uses this tubular shell this carrier element core welded encapsulation; Each is fixing with the welding of tooth plate blend stop at two ends, has accomplished the preparation of reprocessing carrier;
Embodiment 3
Get the stainless vapour-liquid filter screen of SUS304 in 6 layers 0.3mm silk footpath, length D3=6000mm, width D 3=300mm; Broad ways is divided into 3 parts, and on the width of each 100mm of the both sides at edge, it is long that vertical center line cuts/shear out 100mm respectively; 59 joint-cuttings of interval 100mm; Totally 118 of both sides, a side forms the square of 60 100mm * 100mm, totally 120 of both sides; Along each foursquare one jiao, according to 45
oThe direction at angle, two adjacent limits are folded in half into 45
oThe equilateral triangle at angle; The resistance welding machine that adopts industry on each equilateral triangle after folding, welding at least 10 points make it to become one; Adopt triroller machine the filter disc roll extrusion of preparation once, the corner is more neat, makes it regular filter disc; Stack 1 filter disc that rolls or put postwelding with the straight filter disc in another both sides, along its length an end is that ' core ' reels then, processes automobile-used high-permeability reprocessing carrier element.
Adopting thickness is that the SUS304 corrosion resistant plate of 1.5mm is as shell plates; Preparing internal diameter is 300mm, highly is the 340mm tubular shell, uses this tubular shell this carrier element core welded encapsulation; Each is fixing with the welding of tooth plate blend stop at two ends, has accomplished the preparation of reprocessing carrier.
Embodiment 4
Get the stainless mesh grid of SUS304 in 0.5mm silk footpath and the sintering felt of the SUS304 Stainless Steel Fibre that thickness is 1 mm, their length D1=15000mm, width D 3=450mm; To work out net and tile with the sintering felt, the high temperature compacting is combined with each other it, forms composite filter net; Composite filter net is divided into 3 parts along width direction, and on the side at interval on the width of 300mm, it is long that vertical center line cuts/shear out 150mm respectively therein, and 99 joint-cuttings of 150mm form 100 squares that the length of side is 150mm at interval; Opposite side at the composite filter net width direction; Slit from a side minor face apart from the long 150mm of 75mm place cutting/shearing article one; Every later at a distance from slit of 150mm cutting/shearing; Finally cut/shear out 100 slits altogether, square and two long 150mm that to form 99 length of sides are 150mm, the rectangular of wide 75mm; With two rectangulars along the long side direction doubling; With all 199 squares foursquare a jiao, according to 45 along each
oThe direction at angle, two adjacent limits are folded in half into 45
oThe equilateral triangle at angle; The resistance welding machine that adopts industry on each equilateral triangle after folding, welding at least 10 points make it to become one; Adopt triroller machine the filter disc roll extrusion of preparation once, the corner is more neat, makes it regular filter disc; Stack 1 filter disc that rolls or put postwelding with the straight filter disc in another both sides, along its length an end is that ' core ' reels then, processes automobile-used high-permeability reprocessing carrier element.
Adopting thickness is that the SUS304 corrosion resistant plate of 1.5mm is as shell plates; Preparing internal diameter is 400mm, highly is the 490mm tubular shell, uses this tubular shell this carrier element core welded encapsulation; Each is fixing with the welding of tooth plate blend stop at two ends, has accomplished the preparation of reprocessing carrier.
Embodiment 5
Get the stainless vapour-liquid filter screen of SUS304 and the stainless mesh grid of SUS304 directly of 0.5mm silk in 4 layers 0.3mm silk footpath; Their length D1=10000mm, width D 3=300mm; To work out net and arrive with vapour-liquid filter screen laying, the high temperature compacting is combined with each other it, forms composite filter net; Composite filter net is divided into 3 parts along width direction, and on the width of each 100mm of the both sides at edge, it is long that vertical center line cuts/shear out 100mm respectively; 99 joint-cuttings of interval 100mm; Totally 198 of both sides, a side forms the square of 100 100mm * 100mm, totally 200 of both sides; Along each foursquare one jiao, according to 45
oThe direction at angle, two adjacent limits are folded in half into 45
oThe equilateral triangle at angle; The resistance welding machine that adopts industry on each equilateral triangle after folding, welding at least 10 points make it to become one; Adopt triroller machine the filter disc roll extrusion of preparation once, the corner is more neat, makes it regular filter disc; Stack 1 filter disc that rolls or put postwelding with the straight filter disc in another both sides, along its length an end is that ' core ' reels then, processes automobile-used high-permeability reprocessing carrier element.
Adopting thickness is that the SUS304 corrosion resistant plate of 1.5mm is as shell plates; Preparing internal diameter is 300mm, highly is the 300mm tubular shell, uses this tubular shell this carrier element core welded encapsulation; Each is fixing with the welding of tooth plate blend stop at two ends, has accomplished the preparation of reprocessing carrier.
Claims (2)
1. high-permeability reprocessing carrier element; It is characterized in that: be formed by stacking two filter discs; Employing length is D1=1500 ~ 18000mm, and width is wire gaze, sintering felt or the vapour-liquid filter screen of D3=200 ~ 450mm, and the filter disc coiling of their combinations is prepared from; One of them filter disc promptly on the width of D3/3, cuts out the tangent line of long and the wide D3/3 of being along on the D1 length width D 3 being divided into 3 parts, and forming the length of side is the square of D2=D3/3, and two adjacent limits are folded in half into 45
oThe equilateral triangle at angle; Be folded into 45 like this
oBehind the equilateral triangle at angle, the filter disc after the doubling carries out resistance welding or spot welding, after Kun presses, forms the regular filter disc of both sides wedge angle; Stack the filter disc that rolls or put postwelding both sides wedge angle and 1 both sides filter disc straight and that press through Kun, reel, process the processing carrier element along an end.
2. a kind of high-permeability reprocessing carrier element according to claim 1 is characterized in that two limits of described filter disc can corresponding be cut, and promptly the wedge angle after the doubling is corresponding one by one; After can also one side of filter disc being cut, in the another side dislocation cutting of filter disc, wedge angle was staggering along the D1 direction after the both sides of filter disc were folded into square like this.
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CN201210238808.4A CN102733894B (en) | 2012-07-11 | 2012-07-11 | High-permeability after-treatment carrier unit |
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CN201210238808.4A CN102733894B (en) | 2012-07-11 | 2012-07-11 | High-permeability after-treatment carrier unit |
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CN102733894A true CN102733894A (en) | 2012-10-17 |
CN102733894B CN102733894B (en) | 2018-07-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105697105A (en) * | 2016-04-21 | 2016-06-22 | 北京高鑫伟业滤清器有限责任公司 | Filter disc |
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US20030054953A1 (en) * | 2001-09-20 | 2003-03-20 | Ting He | Substrate having catalyst compositions on surfaces of opposite sides and method for producing the same |
US20030175178A1 (en) * | 2002-03-12 | 2003-09-18 | Leon Mazurets | Chisto |
DE20313032U1 (en) * | 2003-08-21 | 2003-10-30 | Hjs Fahrzeugtechnik Gmbh & Co | Diesel engine has cylindrical exhaust gas filter with fan-fold panels and angled spoke cross-braces minimizing internal vibration |
KR20090119672A (en) * | 2008-05-15 | 2009-11-19 | 웅진코웨이주식회사 | Spiral wound type filter cartridge |
CN102046937A (en) * | 2008-06-02 | 2011-05-04 | 阿兰图姆公司 | Filter element for subsequent treatment of exhaust gases from internal combustion engines |
CN201874648U (en) * | 2010-05-28 | 2011-06-22 | 余小玲 | Mesh-type catalytic converter |
CN201969424U (en) * | 2011-01-19 | 2011-09-14 | 康斐尔过滤设备(昆山)有限公司 | Improved structure of filter core of filter |
-
2012
- 2012-07-11 CN CN201210238808.4A patent/CN102733894B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030054953A1 (en) * | 2001-09-20 | 2003-03-20 | Ting He | Substrate having catalyst compositions on surfaces of opposite sides and method for producing the same |
US20030175178A1 (en) * | 2002-03-12 | 2003-09-18 | Leon Mazurets | Chisto |
DE20313032U1 (en) * | 2003-08-21 | 2003-10-30 | Hjs Fahrzeugtechnik Gmbh & Co | Diesel engine has cylindrical exhaust gas filter with fan-fold panels and angled spoke cross-braces minimizing internal vibration |
KR20090119672A (en) * | 2008-05-15 | 2009-11-19 | 웅진코웨이주식회사 | Spiral wound type filter cartridge |
CN102046937A (en) * | 2008-06-02 | 2011-05-04 | 阿兰图姆公司 | Filter element for subsequent treatment of exhaust gases from internal combustion engines |
CN201874648U (en) * | 2010-05-28 | 2011-06-22 | 余小玲 | Mesh-type catalytic converter |
CN201969424U (en) * | 2011-01-19 | 2011-09-14 | 康斐尔过滤设备(昆山)有限公司 | Improved structure of filter core of filter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105697105A (en) * | 2016-04-21 | 2016-06-22 | 北京高鑫伟业滤清器有限责任公司 | Filter disc |
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