CN102748107A - Paper laminated carrier unit for exhaust after-treatment - Google Patents
Paper laminated carrier unit for exhaust after-treatment Download PDFInfo
- Publication number
- CN102748107A CN102748107A CN2012102388050A CN201210238805A CN102748107A CN 102748107 A CN102748107 A CN 102748107A CN 2012102388050 A CN2012102388050 A CN 2012102388050A CN 201210238805 A CN201210238805 A CN 201210238805A CN 102748107 A CN102748107 A CN 102748107A
- Authority
- CN
- China
- Prior art keywords
- paper
- carrier
- carrier unit
- carrier element
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Catalysts (AREA)
Abstract
The invention relates to a paper laminated carrier unit for the exhaust after-treatment, which is characterized in that inorganic heat-resistant fiber paper is densely and uniformly sewn by an industrial sewing machine and carbon fiber threads and is alternately and reversely folded in reverse directions under the folding length D2 of 100 to 400mm to form a group of laminations; the laminations are wound on a central spindle in the direction vertical to the folding direction to form a metal carrier unit; reinforcing liquid is sprayed on the metal carrier unit; for the carrier unit reinforced by the reinforcing liquid, both surfaces of the paper are blown by the compressed air to remove residual liquid and the paper is blown dry by a hot air gun with the temperature of 50 to 80 DEG C; and the reinforced metal carrier unit is arranged in a stainless steel shell. Under the condition that the filtering effect is not reduced, the low back pressure is reduced, the mechanical strength is higher and the replacement and maintenance interval is prolonged, and thus, as a after-treatment carrier, the product can be used as a carrier for DOC (Dissolved Organic Carbon), POC (Particulate Organic Carbon), a DPF (Diesel Particulate Filter) and SCR (Selective Catalytic Reduction) and has a certain actual significance and high practical value.
Description
Technical field
The stacked exhaust aftertreatment that the present invention relates to a kind of papery is used carrier element, is 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 stacked exhaust aftertreatment of papery to use carrier element; Its performance and structure to existing reprocessing carrier is optimized; Reduce the risk of stopping up, increased the probability that vibration test is passed through, possessed practicability and advance.
Technological scheme of the present invention is achieved in that a kind of stacked exhaust aftertreatment of papery uses carrier element, it is characterized in that: adopt inorganic heat-resistant fibrous paper, take the needle one time with industrial sewing machine and intensive the making uniformly of carbon fiber line; With the folded length is D2=100 ~ 400mm, alternately folding in the other direction, processes one group of lamination; Being wound up on the mandrel with the vertical folding direction becomes the metallic carrier unit; Spray intensified liquid once purges the two sides of paper through strengthening carrier element that liquid strengthens with pressurized air, removes excess liquid; Adopt 50 ~ 80 ℃ heat gun to dry up, the metallic carrier unit after the reinforcement is installed in the Stainless Steel Shell.
Edge with the edge of lamination A and B sheet on the axle center of described mandrel overlaps, and makes separately through sewing machine and carbon fiber line to link together; Lamination A is the 10-200 sheet to the sheet number of B; Folded length is D3=100 ~ 200mm.
The mandrel of described stainless steel is D4=6 ~ 20mm.
Described Stainless Steel Shell and back-up ring weld together, mandrel and back-up ring or welding, or adopt nut to connect; The internal diameter of housing is 2D3+D4.
Described reinforcement liquid adopts 35 parts industrial ball clay, 10 parts the magnesia mixture of industry of industrial alcohol, 54.9 deionized waters and 0.1 part by weight, through ball milling 30min, becomes a kind of colloidal suspension liquid.
Described inorganic paper comprises alumina fibre paper, aluminum silicate fiber paper and aluminium titanates fibre paper.
Good effect of the present invention is that the lamination preparation can be adopted craft, also can adopt the higher machinery of efficient, realizes producing in enormous quantities; Filter disc through before reeling carries out the optimization of microstructure, has invented stacked filter disc preparation process and structure, and has prepared ' the filter disc unit of lamination ' with this; Under the regular prerequisite of carrier macroscopic view; The irregularity that construction is surrounded and watched makes the carrier behind the coiling have abundant ' contract type space ', has increased the area that gas filters; Reduce blocked possibility, in use had positive effect.
Description of drawings
Fig. 1 is the material piece and folding lamination afterwards before the lamination of the present invention.
Fig. 2 takes the needle uniformly for fender paper of the present invention is intensive and makes the back schematic representation.
Fig. 3 is folded into carrier element for lamination of the present invention.
Fig. 4 is the structure and the scheme of installation of back-up ring of the present invention.
Fig. 5 is the schematic representation that employing nut of the present invention connects.
Embodiment
Through accompanying drawing and embodiment the present invention is further described below; Embodiment is for further illustrating characteristics of the present invention; Be not equal to restriction the present invention, according to the change that the present invention carries out, all should be included within protection scope of the present invention for those skilled in the art.
A kind of stacked exhaust aftertreatment of papery is used carrier element, it is characterized in that: adopt inorganic heat-resistant fibrous paper, take the needle one time with industrial sewing machine and intensive the making uniformly of carbon fiber line; With the folded length is D2=100 ~ 400mm, alternately folding in the other direction, processes one group of lamination; Being wound up on the mandrel with the vertical folding direction becomes metallic carrier unit 1; Spray intensified liquid once purges the two sides of paper through strengthening carrier element that liquid strengthens with pressurized air, removes excess liquid; Adopt 50 ~ 80 ℃ heat gun to dry up, the metallic carrier unit 1 after the reinforcement is installed in the Stainless Steel Shell 2.
Edge with the edge of lamination A and B sheet on the axle center of described mandrel overlaps, and makes separately through sewing machine and carbon fiber line to link together; Lamination A is the 10-200 sheet to the sheet number of B; Folded length is D3=100 ~ 200mm.
The mandrel of described stainless steel is D4=6 ~ 20mm.
Described Stainless Steel Shell 2 welds together with back-up ring, mandrel and back-up ring or welding, or adopt nut to connect; The internal diameter of housing is 2D3+D4.
Described reinforcement liquid adopts 35 parts industrial ball clay, 10 parts the magnesia mixture of industry of industrial alcohol, 54.9 deionized waters and 0.1 part by weight, through ball milling 30min, becomes a kind of colloidal suspension liquid.
Described inorganic paper comprises alumina fibre paper, aluminum silicate fiber paper and aluminium titanates fibre paper.
As shown in Figure 1, get the aluminum silicate fiber paper of d3=0.5mm, length D1=20000mm, width D 3=200mm, D2=200mm; Adopt carbon fiber line and closely knit the making uniformly of industrial sewing machine of 3K to take the needle one time; The stainless steel solid rod mandrel D4=6mm of both end thread; On the length of D1, divide equally 100 parts, since an end A, every 200mm is a folding unit, and the order positive and negative direction is folding, finishes up to the other end B, prepares 100 laminations, is up and down the oil hydraulic press static pressure 1h of dull and stereotyped grinding tool.
Be placed on the neutral position of lamination to mandrel, affect A sheet and B sheet, the edge of two of A and B is overlapped, resistance welding, soldering point is no less than 20 points, prepares the carrier core; Shown in Fig. 2-3.
Embodiment 3
Getting thickness is the SUS304 corrosion resistant plate of 1.5mm, width 220mm, and length 1279mm is wound into tubular at length direction, puts into the carrier core that has prepared before the weld seam welding, adopts jig chucking housing, accomplishes the weld seam welding; Accomplish the welding of blend stop and housing, nut stationary spindle and blend stop; Accomplished external diameter 203.6mm, the preparation of the carrier of length 220mm; The effective volume of this carrier is 26L; Shown in Fig. 4-5.
Embodiment 4
Adopt 35 parts industrial ball clay, 10 parts the magnesia mixture of industry of industrial alcohol, 54.9 deionized waters and 0.1 part to form liquid,, become a kind of colloidal suspension liquid through ball milling 30min; The fender paper carrier element integral body after the encapsulation therein dipping once purge the two sides of paper with pressurized air, remove excess liquid, adopt 50 ~ 80 ℃ heat gun to dry up, promptly accomplish the preparation of carrier element.
Embodiment 5
Adopting model is DC-20000-200 synthesis oscillation platform, is fixed on high tenacity post-treating metal carrier element of the present invention on request on the table top, measures the home position size; Vertical vibration, test conditions are room temperature, and acceleration is 20g; Displacement amount is 1.4mm, and frequency is 100Hz, and the time is 5h; Detecting displacement amount after the off-test is 0.
Embodiment 6
With alumina fibre paper is that a kind of being easy to obtains from market; For improving the intensity of carrier; Before the coiling at first the filter disc after the doubling make because this fender paper is soft paper shape before strengthening, therefore making is to adopt the industrial sewing machine complete operation; The purpose that the edge is made is the bulk strength that strengthens carrier, and the purging of avoiding the engine thermal air-flow is to local with the whole influence of carrier; The alumina fibre paper of high temperature resistant paper commodities purchasedization of the present invention, the trade mark are GLGW-83, and thickness d 3=0.3 ~ 5mm, width are 300mm, toilet roll, and length is not limit, and volume density is 210kg/m
3Adopt the graphite fiber fine rule of industry during sewing; The intensity of this fine rule reaches 2 ~ 7GPa; Can bear the temperature environment more than 1000 ℃, can satisfy vehicle-mounted reprocessing operating conditions fully, the specification of the corresponding industrial goods of graphite fiber fine rule is 1K ~ 320K (synnema that on behalf of 1000 graphite fiber combination of monofilaments, K form); The carbon fiber line of 1 ~ 6K of the present invention's use makes the tightr and closely knit of surperficial with the inner cellosilk combination of the scraps of paper after completion is made;
Mandrel with D4=6 ~ 20mm is axle center this lamination of coiling, and the edge of A sheet and two edges of B sheet are overlapped, and behind spot welding or resistance welding, links together; Minimum 10 of the lamination number of exemplar from the A sheet to the B sheet, maximum 200; The diameter that how much depends on the carrier exemplar of required lamination and the thickness of laminate, the exemplar of minor diameter can not hold too much lamination, otherwise; Contract type gap is too small, influences filtering effect, and is opposite; Lamination too much is bound to cause the quality of exemplar excessive, and difficulty is big more when on automobile, using; After each lamination stack system finishes, be whole lamination at press machine mold pressing 30 ~ 60min, so that the edge of lamination is regular, contract type gap is even, shape keeps rule;
D3=100 ~ the 200mm of lamination, the D3 behind the coiling and the radius of mandrel are the radius of carrier; Equally, the D2=100 ~ 400mm of lamination, the D2 behind the coiling is the effective length of carrier; The minimum combination of above-mentioned size can prepare the carrier of 3L, and maximum combination can prepare the carrier of 50L, and this scope can satisfy the full breadth to the preprocessor carrier from light-duty diesel-oil vehicle to heavy-duty diesel vehicle;
Mandrel can be the stainless steel tubulose, but requires its wall thickness greater than 3mm, so that satisfy welding or join strength requirement, if select Stainless Steel Tube, the mouth of pipe of its Way out must seal welding; But, also can be the stainless steel bar of both end thread, the diameter D4=6mm of this moment gets final product;
Like Fig. 4, shown in 5, weld together stainless steel carrier shell and back-up ring, and mandrel and back-up ring or welding are together, or adopt nut to connect two ends; The internal diameter of housing is 2D3+D4, equals the diameter of mandrel and the width of two laminations just, will closely cooperate after going into shell, prevents between shell plates and lamination, the slit to occur; Accomplish the enhancement process of strengthening liquid after welding again;
Strengthen industrial ball clay that liquid adopts 35 parts by weight, 10 parts the magnesia mixture of industry of industrial alcohol, 54.9 deionized waters and 0.1 part,, become a kind of colloidal suspension liquid through ball milling 30min; The fender paper carrier element integral body after the encapsulation therein dipping once purge the two sides of paper with pressurized air, remove excess liquid, adopt 50 ~ 80 ℃ heat gun to dry up, promptly accomplish the preparation of carrier element.
Claims (6)
1. the stacked exhaust aftertreatment of a papery is used carrier element, it is characterized in that: adopt inorganic heat-resistant fibrous paper, take the needle one time with industrial sewing machine and intensive the making uniformly of carbon fiber line; With the folded length is D2=100 ~ 400mm, alternately folding in the other direction, processes one group of lamination; Being wound up on the mandrel with the vertical folding direction becomes the metallic carrier unit; Spray intensified liquid once purges the two sides of paper through strengthening carrier element that liquid strengthens with pressurized air, removes excess liquid; Adopt 50 ~ 80 ℃ heat gun to dry up, the metallic carrier unit after the reinforcement is installed in the Stainless Steel Shell.
2. the stacked exhaust aftertreatment of a kind of papery according to claim 1 is used carrier element, it is characterized in that on the axle center of described mandrel the edge of lamination A and the edge of B sheet being overlapped, and makes separately through sewing machine and carbon fiber line to link together; Lamination A is the 10-200 sheet to the sheet number of B; Folded length is D3=100 ~ 200mm.
3. the stacked exhaust aftertreatment of a kind of papery according to claim 1 is used carrier element, and the mandrel that it is characterized in that described stainless steel is D4=6 ~ 20mm.
4. the stacked exhaust aftertreatment of a kind of papery according to claim 1 is used carrier element, it is characterized in that described Stainless Steel Shell and back-up ring weld together, mandrel and back-up ring or welding, or adopt nut to connect; The internal diameter of housing is 2D3+D4.
5. a kind of high-permeability reprocessing carrier element according to claim 1; It is characterized in that described reinforcement liquid adopts 35 parts industrial ball clay, 10 parts the magnesia mixture of industry of industrial alcohol, 54.9 deionized waters and 0.1 part by weight; Through ball milling 30min, become a kind of colloidal suspension liquid.
6. a kind of high-permeability reprocessing carrier element according to claim 1 is characterized in that described inorganic paper comprises alumina fibre paper, aluminum silicate fiber paper and aluminium titanates fibre paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102388050A CN102748107A (en) | 2012-07-11 | 2012-07-11 | Paper laminated carrier unit for exhaust after-treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102388050A CN102748107A (en) | 2012-07-11 | 2012-07-11 | Paper laminated carrier unit for exhaust after-treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102748107A true CN102748107A (en) | 2012-10-24 |
Family
ID=47028555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102388050A Pending CN102748107A (en) | 2012-07-11 | 2012-07-11 | Paper laminated carrier unit for exhaust after-treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102748107A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1360983A1 (en) * | 2002-05-10 | 2003-11-12 | Hydraulik-Ring Gmbh | Filter unit for freezing liquids, especially for a dosing block in an exhaust gas treatment unit |
| JP2004150330A (en) * | 2002-10-30 | 2004-05-27 | Nissan Motor Co Ltd | Exhaust fine particle filter of internal combustion engine |
| CN1553885A (en) * | 2001-07-06 | 2004-12-08 | 3M | Inorganic fiber substrates for exhaust systems and methods of making same |
| CN101068646A (en) * | 2004-12-02 | 2007-11-07 | 排放技术有限公司 | Joining material for palcing solder material, method for the production of a honeycomb member, corresponding honeycomb member |
| CN200978700Y (en) * | 2006-12-08 | 2007-11-21 | 欧哲诰 | Molecular separator |
-
2012
- 2012-07-11 CN CN2012102388050A patent/CN102748107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553885A (en) * | 2001-07-06 | 2004-12-08 | 3M | Inorganic fiber substrates for exhaust systems and methods of making same |
| EP1360983A1 (en) * | 2002-05-10 | 2003-11-12 | Hydraulik-Ring Gmbh | Filter unit for freezing liquids, especially for a dosing block in an exhaust gas treatment unit |
| JP2004150330A (en) * | 2002-10-30 | 2004-05-27 | Nissan Motor Co Ltd | Exhaust fine particle filter of internal combustion engine |
| CN101068646A (en) * | 2004-12-02 | 2007-11-07 | 排放技术有限公司 | Joining material for palcing solder material, method for the production of a honeycomb member, corresponding honeycomb member |
| CN200978700Y (en) * | 2006-12-08 | 2007-11-21 | 欧哲诰 | Molecular separator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5278125A (en) | Support structure for an exhaust gas purifying catalyst | |
| CN101198437B (en) | Method for producing a honeycomb body | |
| CN101282802A (en) | Process and device for producing metallic honeycomb bodies with at least one shaped segment | |
| JP6093197B2 (en) | Exhaust gas purification catalyst device for internal combustion engine | |
| CN102720564B (en) | The preparation method of high intensity post-treating metal carrier element | |
| CN102733895A (en) | Laminated metal carrier unit used for exhaust after-treatment | |
| CN102748107A (en) | Paper laminated carrier unit for exhaust after-treatment | |
| CN102733904A (en) | Metal carrier unit for exhaust after-treatment | |
| CN101262946B (en) | Method for producing an annular honeycomb body, and annular honeycomb body | |
| CN102748108B (en) | The preparation method of the high-strength after-treatment carrier unit of papery | |
| CN102733896B (en) | The low back pressure after-treatment carrier unit of papery | |
| CN102733893B (en) | The preparation method of the high-permeability after-treatment carrier unit of papery | |
| CN102748109B (en) | The preparation method of the exhaust aftertreatment carrier element of papery | |
| CN102720571B (en) | Preparation method of insert type metal carrier unit for exhaust after-treatment | |
| CN212154923U (en) | Universal type tail gas aftertreatment heat shield | |
| CN102840012B (en) | Diesel engine particle filter capable of rapidly replacing filter core | |
| CN102733894A (en) | High-permeability postprocessing carrier unit | |
| CN202125334U (en) | Tail gas purification device | |
| CN202937334U (en) | Automobile catalytic converter carrier hinge fixed structure | |
| CN1849442A (en) | Regeneration process for catalytic converters | |
| CN202900384U (en) | Catalytic converter fiber carrier shell fixing structure | |
| CN102733905A (en) | Low backpressure after-treatment metal carrier unit | |
| US20080096041A1 (en) | Pleated Sintered Metal Fiber Medium | |
| CN201565301U (en) | Metal carrier for exhaust gas purifier | |
| JP2001179111A (en) | Metallic carrier for automobile exhaust gas cleaning catalyst and its manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121024 |
|
| RJ01 | Rejection of invention patent application after publication |