CN203750711U - Wear-resistant corrosion-resistant blade for decanter centrifuge - Google Patents
Wear-resistant corrosion-resistant blade for decanter centrifuge Download PDFInfo
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- CN203750711U CN203750711U CN201320664614.0U CN201320664614U CN203750711U CN 203750711 U CN203750711 U CN 203750711U CN 201320664614 U CN201320664614 U CN 201320664614U CN 203750711 U CN203750711 U CN 203750711U
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Abstract
The utility model discloses a wear-resistant corrosion-resistant blade for a decanter centrifuge. The wear-resistant corrosion-resistant blade is characterized by consisting of a stainless steel substrate and a hard alloy wear-resistant block; the end part of the working face of the stainless steel substrate is provided with a step; the root of the step is linear; the hard alloy wear-resistant block is brazed; the thickness of the hard alloy wear-resistant block is 0.1 to 0.5mm higher than a non-working face, and the end part of the hard alloy wear-resistant block exceeds the stainless steel substrate by one to two millimeters; the tail of the non-working face of the stainless steel substrate is provided with a step, the height of the step is 1 to 2 mm higher than a helix of the decanter centrifuge, and the root of the step is an arc matched with the helix of the decanter centrifuge. The blade has the advantages that the blade is convenient to replace, a wear-resistant layer is excellent in performance and can effectively protect the substrate, the bonding strength with the substrate is high, the structure of the blade is optimized so as to facilitate connection with the helix and the like.
Description
Technical field
The utility model relates to a kind of centrifuge blade, particularly horizontal screw centrifuge wear-and corrosion-resistant blade, belongs to wear-and corrosion-resistant Material Field.
Background technology
Horizontal screw centrifuge is to utilize centrifugal force mixed liquor, solid-liquid to be carried out to a kind of special equipment of separation and precipitation, it is mainly the powerful centrifugal force that utilizes rotor high-speed rotation to produce, the sinking speed of particle in accelerating liquid, opens the separating substances of different sedimentation coefficients and buoyant density in sample.
Blade directly contacts with material, is the core component of horizontal screw centrifuge, is worn and corrosiveness, very easily loses efficacy.Current horizontal screw centrifuge blade mainly adopts stainless steel to make, or sprays certain scuff-resistant coating.But stainless steel hardness is not high, and the scuff-resistant coating of spraying is not completely fine and close, so blade easily damages and reduction horizontal screw centrifuge efficiency, and serious meeting causes equipment fault.
Summary of the invention
For overcoming current technological deficiency, it is a kind of simple for production that the utility model provides, and has higher service life, the horizontal screw centrifuge wear-and corrosion-resistant blade being convenient for changing.It is characterized in that being formed by stainless steel base and hard alloy wear resistance piece; There is a step end of stainless steel base working face, and step root is straight line, and brazing hard alloy wear-resistant block; The afterbody of stainless steel base non-working surface has a step, and step root is the camber line matching with horizontal screw centrifuge spiral.
Described horizontal screw centrifuge wear-and corrosion-resistant blade, is characterized in that hard alloy wear resistance piece covers step surface, and its thickness is higher than non-working surface 0.1-0.5mm, and its end surpasses stainless steel base 1-2mm.
Described horizontal screw centrifuge wear-and corrosion-resistant blade, is characterized in that the degree of depth of stainless steel base non-working surface afterbody step is higher than horizontal screw centrifuge spiral 1-2mm.
Described horizontal screw centrifuge wear-and corrosion-resistant blade, is characterized in that the solder thickness between hard alloy wear resistance piece and stainless steel base working face is 0.2-0.8mm.
The advantage of horizontal screw centrifuge wear-and corrosion-resistant blade described in the utility model is: (1) wear and corrosion behavior is excellent.The wearing layer of spraying is generally more loose, and the utility model adopts brazing hard alloy wear-resistant block, has more excellent wear-and corrosion-resistant and scour resistance.(2) wear-resistant block is convenient to change.Wearing layer gets rusty easily while being connected with matrix bolt, is difficult to change; The wearing layer that built-up welding mode obtains cannot be changed substantially; During blade of the present utility model only needs when changing, temperature heating makes solder fusing, with regard to replaceable hard alloy wear resistance piece.(3) blade construction optimization.The wear-resistant block of matrix working face is higher than working face, and tip lengths surpasses matrix, can guarantee that material first contacts and can first not contact with stainless steel base with wear-resistant block, improves the matrix life-span and saves material; The arc step of matrix non-working surface afterbody closely cooperates in the time of can guaranteeing with horizontal screw centrifuge spiral welded.
Accompanying drawing explanation
Fig. 1 horizontal screw centrifuge wear-and corrosion-resistant of the present utility model blade schematic diagram
Wherein: the 1st, hard alloy wear resistance piece, the 2nd, cored solder, the 3rd, stainless steel base buttock straight line step, the 4th, stainless steel base, the 5th, stainless steel base non-working surface root arc step.
the specific embodiment
horizontal screw centrifuge wear-and corrosion-resistant blade construction of the present utility model as shown in Figure 1, mainly comprises that hard alloy wear resistance piece 1 and stainless steel base 4 form.
There is straight line step 3 end at stainless steel base 4 working faces, utilizes straight line step 3, and hard alloy wear resistance piece 1 is connected by cored solder 2 with stainless steel base 4, and the thickness of cored solder 2 is 0.2～0.8mm.
The thickness of hard alloy wear resistance piece 1 surpasses non-working surface 0.1～0.5mm, and its end surpasses stainless steel base 1～2mm.
The non-working surface root of stainless steel base 4 has arc step, and its step degree of depth is higher than horizontal screw centrifuge spiral 1～2mm, and its arc matches with horizontal screw centrifuge spiral.
First, hard alloy wear resistance piece is connected by soldering with stainless steel base, and in adopting when changing, warm melting solder can be realized carbide alloy replacing, avoids bolt to connect the problem getting rusty easily, and piles the feature that postwelding cannot be changed substantially.The second, adopt hard alloy wear resistance piece, its wear resistance and corrosion resistance and mechanical property are more excellent than the mode of spraying and built-up welding.The 3rd, hard alloy wear resistance piece thickness is higher than step, and tip lengths surpasses matrix, guarantees that material preferentially contacts with wear-resistant block, reduces even to avoid matrix to damage.The 4th, the matrix non-working surface step degree of depth is higher than spiral, and root is arc, coordinates with the camber line of spiral, can guarantee be fully connected right with spiral of blade, and spiral is realized to coated protection.
Adopt horizontal screw centrifuge wear-and corrosion-resistant blade of the present utility model, improve its service life, season turnover rate reduction by 20%.
Claims (4)
1. a horizontal screw centrifuge wear-and corrosion-resistant blade, is characterized in that consisting of stainless steel base and hard alloy wear resistance piece; There is a step end of stainless steel base working face, and step root is straight line, and brazing hard alloy wear-resistant block; The afterbody of stainless steel base non-working surface has a step, and step root is the camber line matching with horizontal screw centrifuge spiral.
2. horizontal screw centrifuge wear-and corrosion-resistant blade according to claim 1, is characterized in that hard alloy wear resistance piece covers step surface, and its thickness is higher than non-working surface 0.1～0.5mm, and its end surpasses stainless steel base 1～2mm.
3. horizontal screw centrifuge wear-and corrosion-resistant blade according to claim 1, is characterized in that the degree of depth of stainless steel base non-working surface afterbody step is higher than horizontal screw centrifuge spiral 1～2mm.
4. horizontal screw centrifuge wear-and corrosion-resistant blade according to claim 1, is characterized in that the solder thickness between hard alloy wear resistance piece and stainless steel base working face is 0.2～0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664614.0U CN203750711U (en) | 2013-10-28 | 2013-10-28 | Wear-resistant corrosion-resistant blade for decanter centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664614.0U CN203750711U (en) | 2013-10-28 | 2013-10-28 | Wear-resistant corrosion-resistant blade for decanter centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750711U true CN203750711U (en) | 2014-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664614.0U Expired - Fee Related CN203750711U (en) | 2013-10-28 | 2013-10-28 | Wear-resistant corrosion-resistant blade for decanter centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203750711U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110520221A (en) * | 2017-02-15 | 2019-11-29 | 福乐伟欧洲公司 | Rotational tubby centrifuge screw rod |
| CN110694805A (en) * | 2018-07-09 | 2020-01-17 | 肯纳金属公司 | Tile component of centrifugal machine |
-
2013
- 2013-10-28 CN CN201320664614.0U patent/CN203750711U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110520221A (en) * | 2017-02-15 | 2019-11-29 | 福乐伟欧洲公司 | Rotational tubby centrifuge screw rod |
| US11458483B2 (en) | 2017-02-15 | 2022-10-04 | Flottweg Se | Solid-bowl centrifuge screw |
| CN110694805A (en) * | 2018-07-09 | 2020-01-17 | 肯纳金属公司 | Tile component of centrifugal machine |
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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: 20140806 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |