CN2412650Y - Rotary busket type heat treatment device - Google Patents
Rotary busket type heat treatment device Download PDFInfo
- Publication number
- CN2412650Y CN2412650Y CN 99240159 CN99240159U CN2412650Y CN 2412650 Y CN2412650 Y CN 2412650Y CN 99240159 CN99240159 CN 99240159 CN 99240159 U CN99240159 U CN 99240159U CN 2412650 Y CN2412650 Y CN 2412650Y
- Authority
- CN
- China
- Prior art keywords
- catalyst
- cabinet
- basket
- utility
- heat treatment
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a rotary basket type heat treatment device, which solves the existing problems that catalyst in the existing heat decomposer is easy to get polluted, and active components of the catalyst can not uniformly distributed. Due to the characteristics of the utility model that a heat treatment device composed of an air feeding cabinet, a rotary basket and an air pumping cabinet is adopted; hot air blows from top to bottom and then evacuates quickly; the rotary basket loaded with catalyst particles rotate along a horizontally central axis, the utility model solves the existing problems better. The utility model can be applied to the catalyst preparation for industry and a laboratory.
Description
The utility model relates to revolving-basket drier.
As everyone knows, in the development process of silver catalyst, heat treatment is one considerable operational sequence.The wet carrier that has flooded active constituent has been removed organic impurities by heat treatment process, silver ion is changed be carried on into the metallic silver corpuscle on the carrier, thereby obtains catalyst with catalytic activity.The most frequently used in the past annealer has: baking oven, shell and tube, spiral rod type or the like, but they all have certain defective: when (1) adopts the baking oven thermal decomposition method, exist under the condition of gas exchange with the external world at baking oven, its rated temperature lower (generally being lower than 240 ℃), catalyst is dried at a slow speed, thereby active constituent is moved in drying course and cause uneven distribution, influence catalytic performance; In addition, because oven temperature is lower, can not form full silver particles.(2) shell and tube: because catalyst all is to be in static the accumulation, must cause hot-spot, silver granuel is not of uniform size in the catalyst causes and make; The problem that also has the gaseous contamination back segment fresh catalyst after the thermal decomposition of leading portion catalyst in addition.(3) although the spiral rod type thermal decomposer has solved the static problem of catalyst, catalyst is charging from top to bottom, and hot-air from bottom to top purges, and secondary pollution problem is arranged equally.(4) introduced a kind of crawler type heat treatment method in the document US 5504053, it is that catalyst sample is positioned on the net form crawler belt in moving, and a hot-air district that purges is from the bottom up arranged under the crawler belt.The crawler type thermal decomposer has solved secondary pollution problem, and because of its hot-air comes out from air outlet, direct suction exhaust outlet behind the contact single-layer catalyst makes catalyst be subjected to the pressure heating of hot-air, takes away dusty gas simultaneously.But catalyst is to be statically placed on the crawler belt, brought catalyst upper and lower two-part be heated inhomogeneous, thereby cause same the uneven problem of silver granuel size in the catalyst.
The purpose of this utility model is when solving that annealer was heat-treated catalyst in the past, and the active constituent of whole beaded catalyst inside can not equally distributed problem, and a kind of new revolving-basket drier is provided.This revolving-basket drier has that catalyst activity component after the processing evenly distributes and catalyst can be avoided the characteristics of secondary pollution.
The purpose of this utility model is achieved through the following technical solutions: a kind of revolving-basket drier, comprise the supply gas cabinet and the cabinet of bleeding, supplying gas cabinet and bleed and also have a commentaries on classics basket between cabinet, the cabinet of wherein supplying gas is positioned at commentaries on classics side in the key, the cabinet of bleeding is positioned at changes the basket top, changeing basket is the cylindric basket that Web materials is made, horizontal positioned, and can rotate along horizontal middle spindle.
In the technique scheme, the mesh size of Web materials is 1～300 order, and Web materials is made of metal, and is preferably made by stainless steel.Concrete mesh size is decided by the dress catalyst particle size, generally not allow catalyst granules drop to good.
Claims (3)
1, a kind of revolving-basket drier, comprise the supply gas cabinet and the cabinet of bleeding, cabinet and bleed and also have a commentaries on classics basket between cabinet is characterized in that supplying gas, the cabinet of wherein supplying gas is positioned at commentaries on classics side in the key, the cabinet of bleeding is positioned at changes the basket top, changeing basket is the cylindric basket that Web materials is made, horizontal positioned, and can rotate along horizontal middle spindle.
2, according to the described revolving-basket drier of claim 1.The mesh size that it is characterized in that Web materials is 1～300 order.
3,, it is characterized in that Web materials made by stainless steel according to the described revolving-basket drier of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99240159 CN2412650Y (en) | 1999-11-03 | 1999-11-03 | Rotary busket type heat treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99240159 CN2412650Y (en) | 1999-11-03 | 1999-11-03 | Rotary busket type heat treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2412650Y true CN2412650Y (en) | 2001-01-03 |
Family
ID=34027266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99240159 Expired - Lifetime CN2412650Y (en) | 1999-11-03 | 1999-11-03 | Rotary busket type heat treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2412650Y (en) |
-
1999
- 1999-11-03 CN CN 99240159 patent/CN2412650Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |