CN104785380A - Horizontal screw decanter centrifuge achieving high abrasion performance - Google Patents
Horizontal screw decanter centrifuge achieving high abrasion performance Download PDFInfo
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- CN104785380A CN104785380A CN201510196035.1A CN201510196035A CN104785380A CN 104785380 A CN104785380 A CN 104785380A CN 201510196035 A CN201510196035 A CN 201510196035A CN 104785380 A CN104785380 A CN 104785380A
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Abstract
The invention provides a horizontal screw decanter centrifuge achieving high abrasion performance. The horizontal screw decanter centrifuge achieving high abrasion performance comprises a shell, a rotating drum, a spiral pusher and a feed pipe which are sequentially arranged from outside to inside, wherein the spiral pusher comprises a barrel and a continuous spiral pushing blade fixed to the barrel, and a ceramic plate is fixed to the outer edge of the pushing blade through a connecting part. According to the horizontal screw decanter centrifuge achieving high abrasion performance, the abrasion-resistant ceramic plate is arranged at the outer edge of the pushing blade, so that abrasion performance of the pushing blade is remarkably improved, the pushing blade is protected when humic acid is separated, the service life of the pushing blade is prolonged, and normal work of the centrifuge can be guaranteed for a long time because of the high abrasion performance of the ceramic plate.
Description
Technical field
The present invention relates to sedimentation-type centrifuge technical field, particularly relate to a kind of sleeping spiral shell discharging sedimentation centrifuge with high-wearing feature.
Background technology
Horizontal spiral discharge sedimentation centrifuge utilizes in mixed liquor has different densities and immiscible light, heavy-fluid and solid phase, obtains the principle of different sinking speed, reach the object being separated layering or making solid particles sediment in liquid in centrifugal force field.This type energy automatic continuous operation, be widely used in the industrial departments such as chemical industry, light industry, food, ore dressing, be also desirable equipment in environment-friendly engineering.After solid phase particles deposits in rotary drum, be under the promotion of screw rod, discharge with rotary drum small end solid-phase outlet.
Sleeping spiral shell discharging sedimentation centrifuge grinds comparatively fast at humic acid separation process Leaf, humic acid kind is many, wherein middle coal slime is the main cause causing wearing and tearing, therefore in horizontal screw centrifuge separation process, centrifuge and material contact component also need with different acid-resistant stainless steels or other materials, in the prior art, can at blade surfacing cemented carbide powder during separation humic acid, hardness is when HRC56-58, but less effective, 24 continuous throughout the twenty-four hour24s just had obvious wearing and tearing after 3 months, use after 6 months mud extraction effect greatly decline, wearing and tearing sharply.
Summary of the invention
The technical problem to be solved in the present invention is: grind problem faster in order to solve existing sleeping spiral shell discharging sedimentation centrifuge at humic acid separation process Leaf, the invention provides a kind of sleeping spiral shell discharging sedimentation centrifuge with high-wearing feature and solves the problems referred to above.
The technical solution adopted for the present invention to solve the technical problems is: a kind of sleeping spiral shell discharging sedimentation centrifuge with high-wearing feature, comprise shell, rotary drum, screw feeder, feed pipe, described shell, rotary drum, screw feeder and feed pipe set gradually from outside to inside, described screw feeder comprises the spiral helicine pusher blade of continuous print on cylindrical shell and fixed cylinder, and the outer rim of described pusher blade is fixed with potsherd by connector.
As preferably, the material of described connector is stainless steel, and described pusher blade and described connector are welded and fixed, and described potsherd offers through hole, and described connector is provided with screwed hole, and described potsherd and described connector screw thread are fixed.
As preferably, described potsherd comprises the Part I and Part II that are connected as a single entity, described Part I and Part II are the fan ring coaxial with described cylindrical shell, described Part II is the axial projection on Part I and the outward flange near described Part I is arranged, and described through hole is axially offer counterbore on Part I and the position of offering of described through hole is in middle part between the intrados of described Part II and the Inner cambered surface of Part I.
As preferably, described connector comprises the first connecting portion and the second connecting portion, the axial left surface of described first connecting portion and the axial right flank of described second connecting portion are connected as a single entity, described screwed hole is opened on described first connecting portion, described potsherd is fixed by screw and described first connecting portion screw thread and the axial left surface of the axial right flank of described Part I and described first connecting portion fits tightly, the intrados of described Part II and the extrados of described first connecting portion fit tightly, the axial right flank of described second connecting portion and the intrados of described first connecting portion and described pusher blade are welded and fixed, the axial right flank of described second connecting portion and the axial left surface of described pusher blade fit tightly, the intrados of described first connecting portion and the extrados of described pusher blade fit tightly.
As preferably, between described potsherd and described first connecting portion, also there is epoxy bond layer.
The invention has the beneficial effects as follows; this sleeping spiral shell discharging sedimentation centrifuge with high-wearing feature is provided with wear-resisting potsherd in the outer rim of pusher blade; the anti-wear performance of pusher blade is significantly improved; during separation humic acid, pusher blade receives protection; extend its service life, the high-wear resistance of potsherd ensures the normal work of centrifuge in for a long time.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the partial structurtes schematic diagram with the optimum embodiment of the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature of the present invention.
Fig. 2 is the radial cross-section with the potsherd of the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature of the present invention.
Fig. 3 is the axial view with the potsherd of the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature of the present invention.
In figure 1, Part I, 2, Part II, the 3, first connecting portion, the 4, second connecting portion, 5, pusher blade, 6, potsherd.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
In describing the invention, it is to be appreciated that term " first ", " second " etc. are only for describing object, and instruction or hint relative importance can not be interpreted as.In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
As shown in Fig. 1 ~ 3, the invention provides a kind of sleeping spiral shell discharging sedimentation centrifuge with high-wearing feature, comprise shell, rotary drum, screw feeder, feed pipe, shell, rotary drum, screw feeder and feed pipe set gradually from outside to inside, screw feeder comprises the spiral helicine pusher blade 5 of continuous print on cylindrical shell and fixed cylinder, the outer rim of pusher blade 5 is fixed with potsherd 6 by connector, the material of connector is stainless steel, pusher blade 5 and connector are welded and fixed, potsherd 6 offers through hole, connector is provided with screwed hole, potsherd 6 comprises the Part I 1 and Part II 2 that are connected as a single entity, Part I 1 and Part II 2 are the fan ring coaxial with cylindrical shell, Part II 2 is axial projection on Part I 1 and its extrados is also the extension of Part I 1 extrados, through hole is axially offer counterbore on Part I 1 and the position of offering of through hole is in middle part between the intrados of Part II 2 and the Inner cambered surface of Part I 1, connector comprises the first connecting portion 3 and the second connecting portion 4, the axial left surface of the first connecting portion 3 and the axial right flank of the second connecting portion 4 are connected as a single entity, screwed hole is opened on the first connecting portion 3, potsherd 6 is fixed by screw and the first connecting portion 3 screw thread and the axial left surface of the axial right flank of Part I 1 and the first connecting portion 3 fits tightly, the intrados of Part II 2 and the extrados of the first connecting portion 3 fit tightly, the axial right flank of Part I 1 and the intrados of Part II 2 form the seam relative to the first connecting portion 3, and the extrados of the axial left surface of the first connecting portion 3 and the second connecting portion 4 forms the seam relative to potsherd 6, the axial right flank of the second connecting portion 4 and the intrados of the first connecting portion 3 and pusher blade 5 are welded and fixed, the axial right flank of the second connecting portion 4 and the axial left surface of pusher blade 5 fit tightly, the intrados of the first connecting portion 3 and the extrados of pusher blade 5 fit tightly, between potsherd 6 and the first connecting portion 3, also there is epoxy bond layer.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of described term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (5)
1. one kind has the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature, comprise shell, rotary drum, screw feeder, feed pipe, described shell, rotary drum, screw feeder and feed pipe set gradually from outside to inside, described screw feeder comprises the spiral helicine pusher blade of continuous print on cylindrical shell and fixed cylinder, it is characterized in that: the outer rim of described pusher blade is fixed with potsherd by connector.
2. there is the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature as claimed in claim 1, it is characterized in that: the material of described connector is stainless steel, described pusher blade and described connector are welded and fixed, described potsherd offers through hole, described connector is provided with screwed hole, and described potsherd and described connector screw thread are fixed.
3. there is the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature as claimed in claim 2, it is characterized in that: described potsherd comprises the Part I and Part II that are connected as a single entity, described Part I and Part II are the fan ring coaxial with described cylindrical shell, described Part II is the axial projection on Part I and the outward flange near described Part I is arranged, and described through hole is axially offer counterbore on Part I and the position of offering of described through hole is in middle part between the intrados of described Part II and the Inner cambered surface of Part I.
4. there is the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature as claimed in claim 3, it is characterized in that: described connector comprises the first connecting portion and the second connecting portion, the axial left surface of described first connecting portion and the axial right flank of described second connecting portion are connected as a single entity, described screwed hole is opened on described first connecting portion, described potsherd is fixed by screw and described first connecting portion screw thread and the axial left surface of the axial right flank of described Part I and described first connecting portion fits tightly, the intrados of described Part II and the extrados of described first connecting portion fit tightly, the axial right flank of described second connecting portion and the intrados of described first connecting portion and described pusher blade are welded and fixed, the axial right flank of described second connecting portion and the axial left surface of described pusher blade fit tightly, the intrados of described first connecting portion and the extrados of described pusher blade fit tightly.
5. there is the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature as claimed in claim 4, it is characterized in that: between described potsherd and described first connecting portion, also there is epoxy bond layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196035.1A CN104785380B (en) | 2015-04-23 | 2015-04-23 | Horizontal screw decanter centrifuge achieving high abrasion performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196035.1A CN104785380B (en) | 2015-04-23 | 2015-04-23 | Horizontal screw decanter centrifuge achieving high abrasion performance |
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| Publication Number | Publication Date |
|---|---|
| CN104785380A true CN104785380A (en) | 2015-07-22 |
| CN104785380B CN104785380B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510196035.1A Active CN104785380B (en) | 2015-04-23 | 2015-04-23 | Horizontal screw decanter centrifuge achieving high abrasion performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253104A1 (en) * | 2020-06-16 | 2021-12-23 | Pieralisi Do Brasil Ltda | Ceramic tablet added to a device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0081938A2 (en) * | 1981-12-09 | 1983-06-22 | Alfa-Laval Separation A/S | Conveyor screw |
| JP3443147B2 (en) * | 1993-12-17 | 2003-09-02 | コトブキ技研工業株式会社 | Screw conveyor |
| CN2877877Y (en) * | 2006-03-20 | 2007-03-14 | 北票煤业有限责任公司机电总厂 | Screen mesh sedimentation centrifuge |
| CN201768628U (en) * | 2010-08-20 | 2011-03-23 | 上海市离心机械研究所有限公司 | Edge protective tile of centrifuge helical blade |
| CN202778737U (en) * | 2012-09-19 | 2013-03-13 | 丽水嘉泓科技咨询有限公司 | Spiral body of centrifugal machine |
| CN203018220U (en) * | 2012-12-12 | 2013-06-26 | 上海化工机械厂有限公司 | Sedimentation centrifuge anticorrosion vane |
| CN204620225U (en) * | 2015-04-23 | 2015-09-09 | 江苏恒亮离心机制造有限公司 | There is the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature |
-
2015
- 2015-04-23 CN CN201510196035.1A patent/CN104785380B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0081938A2 (en) * | 1981-12-09 | 1983-06-22 | Alfa-Laval Separation A/S | Conveyor screw |
| JP3443147B2 (en) * | 1993-12-17 | 2003-09-02 | コトブキ技研工業株式会社 | Screw conveyor |
| CN2877877Y (en) * | 2006-03-20 | 2007-03-14 | 北票煤业有限责任公司机电总厂 | Screen mesh sedimentation centrifuge |
| CN201768628U (en) * | 2010-08-20 | 2011-03-23 | 上海市离心机械研究所有限公司 | Edge protective tile of centrifuge helical blade |
| CN202778737U (en) * | 2012-09-19 | 2013-03-13 | 丽水嘉泓科技咨询有限公司 | Spiral body of centrifugal machine |
| CN203018220U (en) * | 2012-12-12 | 2013-06-26 | 上海化工机械厂有限公司 | Sedimentation centrifuge anticorrosion vane |
| CN204620225U (en) * | 2015-04-23 | 2015-09-09 | 江苏恒亮离心机制造有限公司 | There is the sleeping spiral shell discharging sedimentation centrifuge of high-wearing feature |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253104A1 (en) * | 2020-06-16 | 2021-12-23 | Pieralisi Do Brasil Ltda | Ceramic tablet added to a device |
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| CN104785380B (en) | 2017-05-10 |
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