DE3638463A1 - Process for producing a support component having a surface catalyst structure - Google Patents
Process for producing a support component having a surface catalyst structureInfo
- Publication number
- DE3638463A1 DE3638463A1 DE19863638463 DE3638463A DE3638463A1 DE 3638463 A1 DE3638463 A1 DE 3638463A1 DE 19863638463 DE19863638463 DE 19863638463 DE 3638463 A DE3638463 A DE 3638463A DE 3638463 A1 DE3638463 A1 DE 3638463A1
- Authority
- DE
- Germany
- Prior art keywords
- support component
- explosive
- catalyst structure
- producing
- component
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein Verfahren zur Herstellung eines Trägerbauteils mit oberflächiger Katalysatorstruktur.The invention relates to a method for Manufacture of a carrier component with a superficial Catalyst structure.
Zur Herstellung von Blechen oder Bändern mit ober flächiger Katalysatorstruktur wird im Stand der Technik eine Mischung aus pulverförmigem Stütz- Skelett-Material, wie Eisen, Nickel oder Kobalt und aus pulverförmiger Raney-Legierung, z. B. auf Basis von Eisen, Nickel, Kobalt oder Silber, auf das Aus gangsblech oder -band aufgewalzt, bei Temperaturen oberhalb 600°C in reduzierender Atmosphäre gesin tert und mit Lauge oder Säure die lösliche Komponen te der Legierung herausgelöst. Damit eine ausrei chende Haftung der oberflächigen Katalysatorstruktur erzielt wird, erfolgt das Aufwalzen der vorstehend genannten Mischung unter gleichzeitiger Kaltverfor mung des Bleches oder Bandes mit einem Verformungs grad von 20 bis 60% innerhalb einer Verformungs stufe.For the production of sheets or strips with upper flat catalyst structure is in the state of the Technique a mixture of powdered support Skeletal material such as iron, nickel or cobalt and made of powdered Raney alloy, e.g. B. based of iron, nickel, cobalt or silver, on the end rolled sheet or strip, at temperatures above 600 ° C in a reducing atmosphere and the soluble components with alkali or acid te of the alloy. So that's enough appropriate adhesion of the surface catalyst structure is achieved, the rolling up of the above mentioned mixture with simultaneous cold deformation sheet or strip with a deformation degree of 20 to 60% within a deformation step.
Die oberflächige Katalysatorstruktur kann eine Stär ke von 10 bis 300 µm aufweisen.The superficial catalyst structure can be a starch have ke from 10 to 300 microns.
Diese bekannten Verfahren sind außerordentlich auf wendig, da sie verschiedene Arbeitsstufen notwendig machen, nämlich das Aufbringen der Katalysator schicht, das Kaltwalzen, das Sintern und anschlies send das Auslaugen. Zudem haben die bekannten Ver fahren den Nachteil daß trotz des Kaltwalzens und Sinterns nicht die in vielen Fällen erwünschte und erforderliche feste Bindung der aufzubringenden Katalysatorschicht an dem Trägerblech erreicht wird.These known methods are extremely based on manoeuvrable as they require different working levels make, namely the application of the catalyst layer, cold rolling, sintering and connecting send the leaching. In addition, the known Ver drive the disadvantage that despite the cold rolling and Sintering is not what is desired in many cases and required firm binding of the to be applied Catalyst layer is reached on the support plate.
Der Erfindung liegt die Aufgabe zugrunde, ein Ver fahren zur Herstellung eines Trägerbauteils mit oberflächiger Katalysatorstruktur zu schaffen, bei welchem das Herstellungsverfahren vereinfacht und die Bindung der aufgebrachten Katalysatorstruktur zum Trägerblech verbessert wird.The invention has for its object a Ver drive to the manufacture of a carrier component to create superficial catalyst structure at which simplifies the manufacturing process and the binding of the applied catalyst structure to the carrier sheet is improved.
Diese der Erfindung zugrundeliegende Aufgabe wird durch die Lehre des Hauptanspruches gelöst.This object underlying the invention will solved by the teaching of the main claim.
Dadurch, daß die an sich bekannten Pulverschichten explosiv verdichtet werden, erfolgt gleichzeitig eine metallurgische Verbindung der Pulverschicht mit dem Trägerblech, die wesentlich intensiver ist, als die bisher durch Kaltwalzen erreichte Bindung.Because the known powder layers explosively compressed takes place simultaneously a metallurgical connection of the powder layer with the carrier sheet, which is much more intense than the bond previously achieved by cold rolling.
Somit wird ein Arbeitsverfahren geschaffen, das we sentlich schneller und einfacher als die bisher be kannten Verfahren durchführbar ist und mit welchem sowohl sehr große wie auch relativ kleine Träger bleche bearbeitet werden können.This creates a working process that we considerably faster and easier than the previous one known method is feasible and with which both very large and relatively small carriers sheets can be processed.
Vorteilhafte Ausgestaltungen sind in den Unteran sprüchen erläutert.Advantageous configurations are in the Unteran sayings explained.
Zusätzlich zu der metallurgischen Verbindung der Katalysatorschicht mit dem Trägerblech erfolgt durch die Explosionsverdichtung der Pulverschicht gleich zeitig auch eine innigere Verbindung der einzelnen Bestandteile der Pulverschicht miteinander, wodurch die Festigkeit der eigentlichen Katalysatorschicht zusätzlich erhöht wird.In addition to the metallurgical connection of the Catalyst layer with the carrier plate takes place through the explosion compression of the powder layer is the same at the same time an intimate connection between the individual Components of the powder layer together, causing the strength of the actual catalyst layer is additionally increased.
Wird - wie dies gemäß der Erfindung weiterhin vorge schlagen wird - das Produkt nach dem Aufbringen der Katalysatorschicht und dem explosiven Verdichten derselben bei hohen Temperaturen im Vakuum oder in reduzierter Atmosphäre gesintert oder getempert, tritt eine Diffusion der Atome ein und damit wird eine sehr poröse Schicht geschaffen, wodurch die Katalysatorwirkung verbessert wird.If - as will be further proposed according to the invention - the product after the application of the catalyst layer and the explosive compression of the same sintered or tempered at high temperatures in a vacuum or in a reduced atmosphere, the atoms will diffuse and thus become a very porous layer created, whereby the catalyst effect is improved.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863638463 DE3638463A1 (en) | 1986-11-11 | 1986-11-11 | Process for producing a support component having a surface catalyst structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863638463 DE3638463A1 (en) | 1986-11-11 | 1986-11-11 | Process for producing a support component having a surface catalyst structure |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3638463A1 true DE3638463A1 (en) | 1988-05-26 |
DE3638463C2 DE3638463C2 (en) | 1989-10-12 |
Family
ID=6313672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19863638463 Granted DE3638463A1 (en) | 1986-11-11 | 1986-11-11 | Process for producing a support component having a surface catalyst structure |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3638463A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19747242C2 (en) * | 1997-10-25 | 2002-02-21 | Abb Patent Gmbh | Process for producing a metal mold for vacuum chamber screens or vacuum chamber contact pieces |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0009830A1 (en) * | 1978-07-07 | 1980-04-16 | Metallgesellschaft Ag | Method of making a sheet or strip with a superficial catalytic structure and application of this strip |
-
1986
- 1986-11-11 DE DE19863638463 patent/DE3638463A1/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0009830A1 (en) * | 1978-07-07 | 1980-04-16 | Metallgesellschaft Ag | Method of making a sheet or strip with a superficial catalytic structure and application of this strip |
Also Published As
Publication number | Publication date |
---|---|
DE3638463C2 (en) | 1989-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |
|
8339 | Ceased/non-payment of the annual fee |