CN2848374Y - Casted abrasion resistant convex stage screen plate - Google Patents
Casted abrasion resistant convex stage screen plate Download PDFInfo
- Publication number
- CN2848374Y CN2848374Y CN 200520093867 CN200520093867U CN2848374Y CN 2848374 Y CN2848374 Y CN 2848374Y CN 200520093867 CN200520093867 CN 200520093867 CN 200520093867 U CN200520093867 U CN 200520093867U CN 2848374 Y CN2848374 Y CN 2848374Y
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- CN
- China
- Prior art keywords
- boss
- screen plate
- strip
- sieve plate
- screen
- 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 - Fee Related
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Abstract
The utility model belongs to the field of vibrating screen components, particularly to a cast abrasion resistant boss screen plate. The utility model is characterized in that a strip-shaped bosses are distributed on a screen plate face, and screen openings are distributed on the face; the maximum width of each strip-shaped boss is only slightly less than the designated size of the sieving major ingredient. The cross-section of the strip boss is in the shape of an oblong, a circular arc or a trapezoid, and can be in other shapes. The screen plate is a single-casting or a dividing casting. The direction of the strip boss is the same to the moving direction of the sintered material; when the sinter major ingredient falls into the vibrating screen, the major ingredient is first contacted with the boss part on the screen plate; the part is abraded first, and after the boss is planished, the flat plate face of the screen plate is abraded. Thus, the thickness of the entire screen plate is increased, and the service life of the screen plate is prolonged. The utility model has reasonable design, the service life of the screen plate is prolonged visibly, and the cost of iron making production is reduced on the premise of not increasing the weight of the screen plate visibly.
Description
Technical field
The utility model belongs to the vibratory sieve field of components, and particularly a kind of casting wear-resistant boss sieve plate is applicable to the screening sintering deposit.
Background technology
In iron-making production, the granularity of sintering deposit is an important indicator of iron-smelting raw material, and the economic and technical norms that ironmaking is produced have significant impact, particularly permeability of stock column are more had decisive influence.In order to guarantee that sintering deposit goes into the stove granularity and reach the regulation requirement, need sieve sintering deposit, sift out fine ore and granule muck.The heat sinter temperature can surpass 1000 ℃, and the cold sinter temperature also can surpass 300 ℃, and the hardness of sintering deposit is higher, and vibratory sieve is under the very abominable condition of work, therefore requires the sieve plate energy heat-resisting, wear-resisting.So sieve plate is made with nickelic, chromium alloy material, nonetheless, the service life of sieve plate is also shorter, and causing needs often to change sieve plate, in order to improve the service life of sieve plate, the one, increase alloying component, but this will significantly increase production cost, the 2nd, increase plate thickness, this will significantly increase the weight of sieve plate, thereby increase the load of drive system, require to change corollary system, can increase production cost equally.
Summary of the invention
The purpose of this utility model provides a kind of long service life, the little casting wear-resistant boss sieve plate of weight change.
The purpose of this utility model realizes by following technical proposals:
According to casting wear-resistant boss sieve plate of the present utility model, it is characterized in that on sieve plate plate face, being distributed with the strip boss, be distributed with sieve aperture on the plate face.
Described strip boss Breadth Maximum is slightly less than the designated size of screening major ingredient.
Described strip boss shape of cross section is square, circular arc or trapezoidal, and the strip boss can be continuously rectangular or is made up of the segmentation billet, also can adopt other shape.
Described sieve plate is single-casting or piecemeal foundry goods.
When adopting casting wear-resistant boss sieve plate of the present utility model, the direction of bar shaped boss is identical with the direction that sintering feed moves, after the sintering deposit major ingredient falls into vibratory sieve, at first contact with projection section on the sieve plate, this part is is at first worn and torn, when boss by the platen surface part of the sieve plate that just begins after polishing to wear and tear.This just has been equivalent to increase the thickness of monoblock sieve plate, the service life of having improved sieve plate.
Description of drawings
Fig. 1 is a schematic top plan view of the present utility model.
Fig. 2 is the side view of Fig. 1.
The specific embodiment
Below in conjunction with the description of drawings specific embodiment of the present utility model.
As shown in Figure 1 and Figure 2, casting wear-resistant boss sieve plate of the present utility model is characterized in that being distributed with strip boss 1 on sieve plate plate face, is distributed with sieve aperture 2 on the plate face.Described strip boss 1 Breadth Maximum is slightly less than the designated size of screening major ingredient.
Described strip boss 1 shape of cross section is square, circular arc or trapezoidal, and the strip boss can be continuously rectangular or is made up of the segmentation billet, also can adopt other shape.
Described sieve plate is single-casting or piecemeal foundry goods.
The utility model is reasonable in design, is not significantly increasing under the prerequisite of sieve plate weight, has significantly improved the service life of sieve plate, has reduced the ironmaking production cost.
Claims (4)
1, a kind of casting wear-resistant boss sieve plate is characterized in that being distributed with the strip boss on sieve plate plate face, is distributed with sieve aperture on the plate face.
2, casting wear-resistant boss sieve plate according to claim 1 is characterized in that described strip boss Breadth Maximum is slightly less than the designated size of screening major ingredient.
3, casting wear-resistant boss sieve plate according to claim 1 is characterized in that described strip boss shape of cross section is square, circular arc or trapezoidal, and the strip boss is continuously rectangular or is made up of the segmentation billet.
4, casting wear-resistant boss sieve plate according to claim 1 is characterized in that described sieve plate is single-casting or piecemeal foundry goods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520093867 CN2848374Y (en) | 2005-11-25 | 2005-11-25 | Casted abrasion resistant convex stage screen plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520093867 CN2848374Y (en) | 2005-11-25 | 2005-11-25 | Casted abrasion resistant convex stage screen plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2848374Y true CN2848374Y (en) | 2006-12-20 |
Family
ID=37520851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520093867 Expired - Fee Related CN2848374Y (en) | 2005-11-25 | 2005-11-25 | Casted abrasion resistant convex stage screen plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2848374Y (en) |
-
2005
- 2005-11-25 CN CN 200520093867 patent/CN2848374Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061220 Termination date: 20141125 |
|
| EXPY | Termination of patent right or utility model |