CN103100491B - Material pushing piece of drum of material pushing centrifugal machine - Google Patents
Material pushing piece of drum of material pushing centrifugal machine Download PDFInfo
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- CN103100491B CN103100491B CN201210541148.7A CN201210541148A CN103100491B CN 103100491 B CN103100491 B CN 103100491B CN 201210541148 A CN201210541148 A CN 201210541148A CN 103100491 B CN103100491 B CN 103100491B
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- plush copper
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Abstract
The invention relates to the technical field of centrifugal machines, in particular to a material pushing piece of a drum of a material pushing centrifugal machine. The problems that a material pushing piece and a screening sieve are easily abraded and use cost is high in an existing material pushing centrifugal machine are solved. The material pushing piece of the drum of the material pushing centrifugal machine is characterized by comprising an arc press piece and a nose single piece. The arc press piece is an arc segment of a steel complete round and provided with threaded holes. The nose single piece is provided with an arc segment made of polyether-ether-ketone or polytef materials. Three protruded bodies are arranged on a place facing the center of the arc segment and the size of each protruded body is matched with a groove gap arranged in a material pushing ring of the drum. The arc press piece is matched with the nose single piece in length. During the centrifugal machine works for a long time, the centrifugal machine is tightly adhered to the screen sieve, whereas the screen sieve is not abraded. Materials are prevented from moving to the bottom of the drum and service life of the drum of the centrifugal machine is greatly prolonged.
Description
Technical field
The present invention relates to Centrifuge Techniques field, relate in particular to the pushing sheet on a kind of pusher centrifuge drum.
Background technology
Pusher centrifuge is a kind of continued operation perforated wall centrifuge, and the isolated by filtration effect that utilizes rotary drum High Rotation Speed to produce powerful centrifugal force and screen cloth makes processed solidliquid mixture reach object separated and dehydration.The existing metal material pushing sheet being used in conjunction with screen cloth, if be close to screen cloth, screen cloth easily weares and teares, and can increase production cost, if pushing sheet and screen cloth keep an intersegmental gap, easily leak material, material is moved toward bottom of the drum, easily cause bottom of the drum buildup, affect the normal work of rotary drum, and the material that is corrosive easily enters other working positions by the bottom of transferring shares, and then reduces centrifuge working life, increases safety in production hidden danger.Pushing sheet application in similar industrial production is very wide, but is only suitable for specific equipment and position.If patent announcement number is the transit mixer of a kind of dry powder and mortar of CN2690132Y, in stirring rod, there is spiral-push sheet.A kind of multiple field that automatically tosses about in bed continuously operation that and for example patent announcement number is CN2170633Y roasts device, inside establishes at least one or more cylinder, and same in cylinder what arrange is helical form pushing sheet.All can automatic compensating after the wearing and tearing of these pushing sheets, also cannot be for using on pusher centrifuge.
Summary of the invention
The object of the invention is problem easy to wear between pushing sheet and screen cloth in existing pusher centrifuge in order to solve, high use cost, provide a kind of rational in infrastructure, adopt wear-resisting nonmetallic materials monolithic, in service being close to screen cloth all the time and pushing sheet on the little pusher centrifuge drum of abrasiveness.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: the pushing sheet on a kind of pusher centrifuge drum, it is characterized in that comprising arc compressing tablet and plush copper monolithic, described arc compressing tablet is the joint of one on steel full circle segmental arc, and arc compressing tablet is provided with screw; Plush copper monolithic is provided with the segmental arc of being made by polyether-ether-ketone or polytetrafluoroethylmaterial material, towards the segmental arc center of circle one side, is provided with three convex bodies, the groove matched in clearance that in the size of convex body and rotary drum, pusher circle is provided with, and the length of arc compressing tablet and plush copper monolithic coordinates.Screw on arc compressing tablet coordinates with the connecting hole on baffle plate, pusher circle.Arc compressing tablet and plush copper monolithic are used simultaneously, are arranged on respectively baffle plate and the pusher circle position of pusher centrifuge.Plush copper monolithic has a small amount of wearing and tearing after certain working time, it is large that thereby the gap between plush copper monolithic and screen cloth can become, but because plush copper monolithic is pushed down by arc compressing tablet, gapped between groove on the convex body of plush copper monolithic and baffle plate, pusher circle, under centrifugal action, plush copper monolithic can move outward, carry out compensate for clearance, make it all the time and between screen cloth, keep former gap state.Convex body can be used for guiding, and three convex bodies are arranged relevant to the position of set bolt.
Plush copper monolithic is selected has wear-resisting, rotproofness material making preferably.As polyether-ether-ketone, its hot water resistance and resistance to steam are fabulous, and radiation resistance and insulating properties are also good.Polytetrafluoroethylene (PTFE) is generally called " non-sticking lining " or " easy clean pot material ", and this material has the feature of antiacid alkali resistant, anti-various organic solvents, is dissolved in hardly all solvents, has resistant to elevated temperatures feature simultaneously, and coefficient of friction is extremely low.
As preferably, the groove in described rotary drum on pusher circle comprises elongated slot and short groove, and a short groove is established respectively on each elongated slot both sides.Because nonmetal pushing sheet is comprised of a plurality of plush copper monolithics, on pusher circle, guarantee the installation identification of plush copper monolithic, and the superiority leading in the middle of plush copper monolithic, adopt the gathering sill design of unexpected misfortune.
As preferably, in three described convex bodies, the length of a middle convex body is long and coordinate with elongated slot, and the short and short groove of length of both sides convex body coordinates.What coordinate with this pushing sheet is baffle plate and pusher circle, and the length of general plush copper monolithic is full circle 1/8th, makes like this material few, and it is also easy to assemble.
As preferably, the diameter at the peristome place of described pusher circle upper groove is less than the external diameter of pusher circle; Depth of groove matched in clearance on the gauge of convex body and pusher circle.This design can guarantee that most of face of plush copper monolithic is positioned on the end face of pusher circle.
As preferably, in the convex body of described plush copper monolithic, its center line of convex body of middle part overlaps with the segmental arc radius of circle of relevant position.The plush copper monolithic of arc forms a full circle coordinating with baffle plate or pusher circle, and a plurality of plush copper monolithics are evenly distributed on baffle plate or pusher circle.
As preferably, in described convex body, the convex body at position, both sides is symmetrical with the convex body of middle part, and the convex body at position, both sides is parallel to each other.Plush copper monolithic moves along centrifugal force direction when outwards mobile, and three convex bodies are in parallel position, and not only processing is simple, and can generation when mobile and baffle plate or pusher circle between frictional force, be more close to screen cloth.
As preferably, the width of described convex body equates, the end of convex body is semicircle shape.The processing technology that adapts to groove, full wafer plush copper monolithic is stressed evenly.
As preferably, described plush copper monolithic two ends are respectively equipped with and inlay breach at thickness direction, the inlaying on two faces that breach is arranged on plush copper monolithic of two ends, two ends to inlay notch size identical.Inlay breach the pushing sheet that forms whole circle is fastened mutually, in the process of micro-movement, keep not leaking material.
As preferably, corresponding screen cloth equal diameters in the diameter at described arc compressing tablet, plush copper monolithic outer arc place and rotary drum.New clothes timing, arc compressing tablet and plush copper monolithic can with screen cloth snug fit, after work certain hour, after arc compressing tablet wearing and tearing, cannot compensate, now by plush copper monolithic, come compensate for wear gap, greatly extend the service life of whole bowl.
As preferably, the baffle plate in described bowl is provided with the groove that pushing sheet is installed.Baffle plate has the structure of self, and baffle plate position is provided with pushing sheet and coordinates with screen cloth, and the groove on baffle plate is identical with the groove structure on pusher circle, and size is determined by turning position in hub.
The invention has the beneficial effects as follows: cost is low, practical, easy accessibility is close to screen cloth all the time in centrifuge works long hours process and screen cloth can not be worn, and avoids material to move toward bottom of the drum, extends the service life of bowl.
Accompanying drawing explanation
Fig. 1 is a kind of operating position of the present invention structural representation.
Fig. 2 is the local structure for amplifying schematic diagram of Fig. 1 of the present invention.
Fig. 3 is a kind of arc tabletting structure schematic diagram of the present invention.
Fig. 4 is a kind of plush copper single chip architecture schematic diagram of the present invention.
Fig. 5 is Fig. 4 plan structure schematic diagram of the present invention.
Fig. 6 is a kind of pusher coil structures schematic diagram matching in the present invention.
In figure: 1. case, 2. screen cloth, 3. plush copper monolithic, 31. convex bodies, 32. inlay breach, 4. turn hub outer bottom, 5. turn the end in hub, 6. feed pipe, 7. baffle plate, 8. pusher circle, 81. elongated slots, 82. short grooves, 9. arc compressing tablet.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Pushing sheet on a kind of pusher centrifuge drum of the present embodiment, be applied in screen cloth 2 in bowl and the leakproof position between baffle plate 7 and screen cloth 2 and pusher circle 8, as shown in Figure 1 and Figure 2, in conjunction with baffle plate 7 and pusher circle 8, pushing sheet is used by two component combinations, and the one, arc compressing tablet 9, as shown in Figure 3, another kind is plush copper monolithic 3, as shown in Figure 4.
Wherein, the segmental arc that arc compressing tablet 9 is made by metal material, its length is 1/8th of full circle, the outer arc of this segmental arc be assemblied in screen cloth 2 internal diameters that turn hub Internal baffle 7 places and equate, every arc compressing tablet 9 is provided with 4 screws, the center deviation of 4 screws is to the center of circle at segmental arc place, and to guarantee to contact with screen cloth 2 break-ins the size quantity of a side, screw coordinates with the installing hole on baffle plate 7 or pusher circle 8.
Plush copper monolithic 3 is long segmental arcs of full circle 1/8th of being made by polytetrafluoroethylmaterial material, all establishes 3 31,3 convex bodies 31 of convex body towards segmental arc center of circle direction and be parallel to each other in every segmental arc, and width is equal, and the end of convex body 31 is semicircle shape structure.The convex body length of middle part is greater than the convex body length on both sides, and the center line of middle part convex body overlaps with position radius of a circle, and both sides convex body is symmetrical with middle convex body.Plush copper monolithic 3 two ends are established respectively one at thickness direction and are inlayed breach 32, referring to Fig. 5, the breach 32 of inlaying at two ends is positioned at two of plush copper monolithic 3 not on coplanar, and measure-alike, when two adjacent plush copper monolithics 3 connect, inlay breach 32 and be just merged into a plush copper single-sheet thickness.The width of inlaying breach is greater than 10mm, to guarantee never to leak material after plush copper monolithic 3 moves.
The recess width matched in clearance that convex body 31 width of plush copper monolithic 3 and the pusher circle 8 in rotary drum are provided with; Convex body 31 thickness and pusher circle 8 upper groove degree of depth matched in clearance.Groove on pusher circle 8 divides elongated slot 81 and 82, one elongated slot 81 both sides of short groove respectively to establish a short groove 82, and as shown in Figure 6, these elongated slots 81 and short groove 82 coordinate with 3 convex bodies 31 respectively.After being assemblied on pusher circle 8,8 plush copper monolithics 3 become a complete circle.
On baffle plate 7, there is the groove structure that be used for install plush copper monolithic 3 identical with pusher circle 8.
Pusher centrifuge skin is case 1, inside establishes to turn hub outer bottom 5, turn the end 4 in hub, turns the screen cloth 2 that diameter does not wait is housed respectively in hub.During use, on baffle plate 7 and pusher circle 8, load onto respectively whole circle plush copper monolithic 3, then arc compressing tablet 9 is pressed on plush copper monolithic 3 also fastening by screw.Under centrifugal action, plush copper monolithic 3 can outwards push and screen cloth 2 laminatings all the time, carrys out compensate for clearance.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any structure after simple transformation of the present invention, technique is all belonged to protection scope of the present invention.
Claims (10)
1. the pushing sheet on pusher centrifuge drum, is characterized in that comprising arc compressing tablet (9) and plush copper monolithic (3), and described arc compressing tablet (9) is the joint of one on steel full circle segmental arc, and arc compressing tablet (9) is provided with screw; Plush copper monolithic (3) is provided with the segmental arc of being made by polyether-ether-ketone or polytetrafluoroethylmaterial material, towards the segmental arc center of circle one side, be provided with three convex bodies (31), the groove matched in clearance that in the size of convex body (31) and rotary drum, pusher circle (8) is provided with, the length of arc compressing tablet (9) and plush copper monolithic (3) coordinates.
2. the pushing sheet on a kind of pusher centrifuge drum according to claim 1, is characterized in that in described rotary drum, the groove on pusher circle (8) comprises elongated slot (81) and short groove (82), and a short groove (82) is established respectively on each elongated slot (81) both sides.
3. the pushing sheet on a kind of pusher centrifuge drum according to claim 2, it is characterized in that in described three convex bodies (31), the length of a middle convex body is grown and is coordinated with elongated slot (81), and the short and short groove of length (82) of both sides convex body coordinates.
4. according to the pushing sheet on a kind of pusher centrifuge drum described in claim 1 or 2 or 3, it is characterized in that the diameter at the peristome place of pusher circle (8) upper groove is less than the external diameter of pusher circle (8); Depth of groove matched in clearance on the gauge of convex body (31) and pusher circle (8).
5. according to the pushing sheet on a kind of pusher centrifuge drum described in claim 1 or 2 or 3, it is characterized in that, in the convex body (31) of plush copper monolithic (3), its center line of convex body of middle part overlaps with the segmental arc radius of circle of relevant position.
6. the pushing sheet on a kind of pusher centrifuge drum according to claim 5, is characterized in that in described convex body (31), the convex body at position, both sides is symmetrical with the convex body of middle part, and the convex body at position, both sides is parallel to each other.
7. the pushing sheet on a kind of pusher centrifuge drum according to claim 1 and 2, is characterized in that the width of described convex body (31) equates, the end of convex body (31) is semicircle shape.
8. according to the pushing sheet on a kind of pusher centrifuge drum described in claim 1 or 2 or 3, it is characterized in that described plush copper monolithic (3) two ends are respectively equipped with and inlay breach (32) at thickness direction, wherein the breach (32) of inlaying of one end is arranged on the upper surface of plush copper monolithic (3), the breach (32) of inlaying of the other end is arranged on the lower surface of plush copper monolithic (3), two ends to inlay breach (32) measure-alike.
9. according to the pushing sheet on a kind of pusher centrifuge drum described in claim 1 or 2 or 3, it is characterized in that the diameter at described arc compressing tablet (9), plush copper monolithic (3) outer arc place and screen cloth equal diameters corresponding in rotary drum.
10. the pushing sheet on a kind of pusher centrifuge drum according to claim 1, is characterized in that the baffle plate (7) in bowl is provided with the groove that pushing sheet is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541148.7A CN103100491B (en) | 2012-12-14 | 2012-12-14 | Material pushing piece of drum of material pushing centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541148.7A CN103100491B (en) | 2012-12-14 | 2012-12-14 | Material pushing piece of drum of material pushing centrifugal machine |
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| Publication Number | Publication Date |
|---|---|
| CN103100491A CN103100491A (en) | 2013-05-15 |
| CN103100491B true CN103100491B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210541148.7A Active CN103100491B (en) | 2012-12-14 | 2012-12-14 | Material pushing piece of drum of material pushing centrifugal machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018000057A1 (en) * | 2018-01-05 | 2019-07-11 | Guntram Krettek | centrifuge |
| CN109046804B (en) * | 2018-07-20 | 2021-03-30 | 湘潭惠博离心机有限公司 | Material pushing driving device of mechanical material pushing centrifugal machine |
| CN111686943A (en) * | 2020-06-22 | 2020-09-22 | 湘潭大学 | Wear-resistant push block device of piston pusher centrifuge and implementation method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1119774B (en) * | 1960-08-31 | 1961-12-14 | Krupp Dolberg G M B H | Pusher centrifuge with washing device for the spun material |
| DE4230261A1 (en) * | 1991-10-01 | 1993-04-08 | Krauss Maffei Ag | DISCONTINUOUS FILTER CENTRIFUGE |
| DE59308079D1 (en) * | 1993-07-22 | 1998-03-05 | Escher Wyss Ag | Double push centrifuge |
| DE4337619C2 (en) * | 1993-11-04 | 1998-04-30 | Krauss Maffei Ag | Inverting filter centrifuge (filter medium support) |
| DE19546019C1 (en) * | 1995-12-09 | 1997-02-20 | Siteg Siebtech Gmbh | Thrust centrifuge with drum |
| DE10043077B4 (en) * | 1999-10-04 | 2011-03-17 | Thomas Spyra | pusher centrifuge |
| CN200988002Y (en) * | 2006-12-04 | 2007-12-12 | 成都天保机械制造有限公司 | Horizontal three stage piston pushing material centrifugal machine |
| CN201855745U (en) * | 2010-11-19 | 2011-06-08 | 成都天保重型装备股份有限公司 | Improvement of rotary drum combination manner of piston material pushing type centrifugal machine |
| CN202983909U (en) * | 2012-12-14 | 2013-06-12 | 浙江轻机离心机制造有限公司 | Pushing sheet on rotating drum of pushing centrifugal machine |
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Denomination of invention: Material pushing piece of drum of material pushing centrifugal machine Effective date of registration: 20181114 Granted publication date: 20140716 Pledgee: Bank of Hangzhou Limited by Share Ltd science and Technology Branch Pledgor: Zhejiang Qingji Centrifuge Manufacturing Co., Ltd. Registration number: 2018330000384 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210610 Granted publication date: 20140716 Pledgee: Bank of Hangzhou Limited by Share Ltd. science and Technology Branch Pledgor: ZHEJIANG QINGJI CENTRIFUGE MANUFACTURING Co.,Ltd. Registration number: 2018330000384 |