CN205164979U - A screen cloth fixing device for rotary drum (cone -element) class centrifugal separator - Google Patents
A screen cloth fixing device for rotary drum (cone -element) class centrifugal separator Download PDFInfo
- Publication number
- CN205164979U CN205164979U CN201520985402.1U CN201520985402U CN205164979U CN 205164979 U CN205164979 U CN 205164979U CN 201520985402 U CN201520985402 U CN 201520985402U CN 205164979 U CN205164979 U CN 205164979U
- Authority
- CN
- China
- Prior art keywords
- cone
- rotary drum
- screen cloth
- fixing device
- dish
- 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
Links
Abstract
The utility model discloses a screen cloth fixing device for rotary drum (cone -element) class centrifugal separator, including conical rotary drum, the basket bottom, the awl dish, be equipped with the taper surface screen cloth in the inboard of conical rotary drum, be equipped with the cylindroid screen cloth in the inboard of basket bottom, the taper surface screen cloth is assembled coning by the fan -shaped metal veil of multi -disc, the root of fan -shaped veil is pushed down simultaneously to the awl dish, and fasten on the rotary drum (cone -element) through the screw, be equipped with the dogtooth platform on awl dish and the taper surface screen cloth contact surface, be equipped with anti -skidding dogtooth at the dogtooth bench, correspondingly be equipped with on the rotary drum (cone -element) simultaneously with dogtooth platform complex spill platform. The utility model discloses a screen cloth can't be shaken off the constraint of awl dish and thrown away when screen cloth fixing device had ensured the high -speed rotation of centrifugal separator entering, had prolonged the life of screen cloth, had avoided the screen cloth to throw away the potential safety hazard of bringing, use safe and reliable, and the installation maintenance is convenient.
Description
Technical field
The utility model relates to a kind of fixture preventing screen cloth to be thrown out of when High Rotation Speed for rotary drum (cone-element) class centrifuge.
Background technology
Rotary drum (cone-element) class centrifuge carries out the continuous filtration formula centrifuge of Separation of Solid and Liquid and automatic discharging at the lower centrifugal force that utilizes that runs up to material.This model structure as shown in Figure 1, primarily of at the bottom of feed pipe, rotary drum (cone-element), rotary drum, be arranged on screen cloth inside at the bottom of rotary drum (cone-element) and rotary drum, inner casing, outer cage, support and the part such as bearing block, motor driver composition.After material to be entered into by feed pipe and flows to rotary drum (cone-element) again at the bottom of rotary drum, under the centrifugal action of High Rotation Speed, this centrifugal force can be analyzed to the component of upwards creeping along screen cloth in rotary drum and perpendicular to the outside component of screen cloth.So filtrate is thrown out of by the hole on screen cloth, solid formation then forms thin layer and moves up along the conical surface on screen cloth, and finally draw off outside rotary drum, from between outer cage and inner casing, space drops into aggregate bin, filtrate then reaches the object of Separation of Solid and Liquid outside the discharging tube discharge centrifuge inner casing and support.
As can be seen from the above, this centrifuge realizes solid phase and retains the screen cloth that the separation accuracy sloughed with liquid phase depends primarily on centrifuge.Because bowl is formed by bolt-connection by the bottom of rotary drum (cone-element) and columniform rotary drum, so corresponding screen cloth is also made up of taper surface screen cloth and cylindroid screen cloth respectively.Wherein taper surface screen cloth is again that the fan-shaped metal veil that the metal sheet being 0.5mm by 6 thickness is made by special process such as galvano-cautery is assembled into taper shape, be placed on the inner surface of rotary drum (cone-element), push down the root of 6 fan-shaped veils again with cone dish simultaneously, and on rotary drum (cone-element), prevent it from coming off by screw fastening.So, the mode of existing this fixed grit mainly relies on the frictional force of the conical surface of cone dish and screen surface generation to realize, but due to 6 fan-shaped veil thickness can not the completely the same thrust that causes uneven, and the interior cone angle of cone dish and rotary drum (cone-element) also also exists mismachining tolerance causes laminating uneven, make taper surface screen cloth when centrifuge enters High Rotation Speed, likely under the effect of powerful centrifugal intertia force, shake off the constraint of cone dish and throw away outside rotary drum, the damage causing screen cloth too early was lost efficacy, and even led to security incident.Early stage in order to address this problem, often process sharper at a place (as shown in Figure 1) of cone dish, make this place's cutting edge can be utilized to tighten the root of screen cloth when compressing, but still there is veil and can not be tightened simultaneously, and the place of tightening is pricked out micro-crack owing to occurring that stress is concentrated by cutting edge, causes veil appearance from the phenomenon of fracture of root.
The face of cylinder screen cloth of centrifuge is also the rectangle metal veil be made up of the metal sheet of 0.5mm, is rolled into cylindrical tube shape and is directly placed at the bottom of rotary drum.Veil herein all has stationary plane due to lower planes, and centrifugal force can make screen cloth naturally be adjacent to inner surface at the bottom of rotary drum, is unlikely to veil is thrown away outside rotary drum.But because material has very large impulsive force when feed pipe pours into, face of cylinder screen cloth dislocation may be caused even crooked, simultaneously at b place (as shown in Figure 1), owing to there is no fit sealing device, material phenomenon is run in easy appearance, namely not separated mixed slurry some directly drain in filtrate collection chamber from b race, cause the decline of product recovery rate.
Summary of the invention
The utility model, for the technical problem existed in above-mentioned prior art, provides a kind of safe and reliable, the simultaneously convenient for installation and maintenance device being exclusively used in the fixed grit of rotary drum (cone-element) class centrifuge.
The purpose of this utility model is realized by following approach: a kind of screen fixing device for rotary drum (cone-element) class centrifuge, comprise conical rotor drum, at the bottom of rotary drum, cone dish, taper surface screen cloth is provided with in the inner side of conical rotor drum, inner side at the bottom of rotary drum is provided with cylindroid screen cloth, taper surface screen cloth is assembled into taper shape by the fan-shaped metal veil of multi-disc, the root of fan-shaped veil pushed down by cone dish simultaneously, and by screw fastening on rotary drum (cone-element), cone dish and taper surface screen interface are provided with double wedge platform, double wedge platform is provided with anti-skidding double wedge, on rotary drum (cone-element), be correspondingly provided with the concave plateau coordinated with double wedge platform simultaneously, when fan-shaped veil is assembled to the inner surface of rotary drum (cone-element), be pressed on concave plateau by the double wedge of cone dish and produce bending deformation, and pass through the fastening of screw, the anti-skidding double wedge on cone dish is made to pin fan-shaped veil firmly, when guaranteeing that centrifuge enters High Rotation Speed, fan-shaped veil cannot be shaken off the constraint of cone dish and can not be thrown out of.
Further, the tip of described cone dish is larger arc transition, has both improved the phenomenon that veil Root Stress is concentrated, and has also improved the strength and stiffness at cone dish tip, extend the service life of cone dish.
Further, be provided with two screws while the ring surface of the hold-down screw of cone dish is centrosymmetric, when removing cone dish, available bolt screws in two symmetrical screws and is ejected by cone dish, thus can change the fan-shaped veil of wear out failure easily.
Further, the groove of annular together with adding respectively with the relevant position at the bottom of rotary drum at rotary drum (cone-element), face of cylinder screen cloth loads between upper and lower twice annular groove, then round rubber bar is embedded, the crimp effect of rubber strip is utilized both to fasten the position of screen cloth, seal again the upper and lower end face of screen cloth, can effectively stop slip to run from here leakage.
Further, on rotary drum (cone-element), the screw of fixed cone dish is located at the groove place of the annular of rotary drum (cone-element), this screw adopts through hole, the round rubber bar of upside can be disclosed with the screw of elongated rod iron through this place, and then by face of cylinder screen cloth taking-up and replaceable new.
The utility model is by adopting technique scheme, when ensure that centrifuge enters High Rotation Speed, screen cloth cannot be shaken off the constraint of cone dish and be thrown out of, and extends the service life of screen cloth, avoids screen cloth and throw away the potential safety hazard brought, safe and reliable, convenient for installation and maintenance.
Accompanying drawing explanation
Fig. 1 is rotary drum (cone-element) class centrifuge structure schematic diagram.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the structural representation of cone dish of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, rotary drum (cone-element) class centrifuge primarily of at the bottom of feed pipe 8, rotary drum (cone-element) 4, rotary drum 2, inner casing 3, outer cage 5, support 10 and the part such as bearing block, motor driver composition.At the bottom of conical rotor drum 4 and columniform rotary drum, the inner surface of 2 is provided with taper surface screen cloth 6 and cylindroid screen cloth 1 accordingly.Taper surface screen cloth 6 is that the fan-shaped metal veil that the metal sheet being 0.5mm by 6 thickness is made by special process such as galvano-cautery is assembled into taper shape, be placed on the inner surface of rotary drum (cone-element) 4, push down the root of 6 fan-shaped veils again with cone dish 7 simultaneously, and be fastened on rotary drum (cone-element) 4 by screw 9 and prevent it from coming off.Face of cylinder screen cloth 1 is also the rectangle metal veil be made up of the metal sheet of 0.5mm, is rolled into cylindrical tube shape and is directly placed at the bottom of rotary drum in 2.
As Fig. 2, shown in Fig. 3, the utility model screen fixing device, place's double wedge platform is devised at the d place of cone dish 7, and on double wedge platform, machined leg-of-mutton anti-skidding double wedge, also correspondingly machined at the f place of rotary drum (cone-element) 4 concave plateau coordinated with double wedge platform simultaneously, when the 6 fan-shaped veils adopting metal sheet to make are assembled to the inner surface of rotary drum (cone-element) 4, be pressed on concave plateau by the double wedge of cone dish 7 and produce bending deformation, and pass through the fastening of screw 9, the anti-skidding double wedge on cone dish 7 is made to pin fan-shaped veil firmly, when guaranteeing that centrifuge enters High Rotation Speed, fan-shaped veil cannot be shaken off the constraint of cone dish 7 and can not be thrown out of.
Well and closely fit realize the fixing of screen cloth owing to no longer relying on the conical surface, so can suitably reduce the requirement of the inner conical surface machining accuracy of cone dish 7 and rotary drum (cone-element) 4, thus reduce manufacturing cost.As shown in Figure 3, also can use larger arc transition instead at the c place of cone dish 7 simultaneously, both improve the phenomenon that veil Root Stress is concentrated, also improved the strength and stiffness at cone dish 7 tip, extend the service life of cone dish.
For the ease of dismounting, screw (screw of symmetric position not shown in FIG.) is devised symmetrically at the e place (as shown in Figure 3) of cone dish 7, after removing screw 9, available bolt screws in symmetrically arranged two screws and is ejected by cone dish, thus can change the fan-shaped veil of wear out failure easily.
As shown in Figure 2, rotary drum (cone-element) 4 with at the bottom of rotary drum 2 relevant position add respectively together with annular groove, face of cylinder screen cloth 1 loads between upper and lower twice annular groove, then round rubber bar 11 is embedded, the crimp effect of rubber strip is utilized both to fasten the position of screen cloth, seal again the upper and lower end face of screen cloth, can effectively stop slip to run phenomenon leakage from here.As for round rubber bar, JB/ZQ4609-1997 round rubber can be adopted, belong to standard rubbers goods, be easy to commercially purchase obtain.
For convenience of dismounting face of cylinder screen cloth 1, the screw of fixed cone dish 7 on rotary drum (cone-element) 4 is located at the groove place of the annular of rotary drum (cone-element), this screw changes through hole into from blind hole, after screw 9 can being removed, after the round rubber bar 11 of upside being disclosed through the screw at this place with elongated rod iron, then by face of cylinder screen cloth taking-up and replaceable new.
Above embodiment is only the utility model preferably embodiment, not limits the scope of application of the utility model product with this, therefore everyly in the utility model principle, makes equivalence change and all should be included in protection domain of the present utility model.
Claims (5)
1. the screen fixing device for rotary drum (cone-element) class centrifuge, comprise conical rotor drum, at the bottom of rotary drum, cone dish, taper surface screen cloth is provided with in the inner side of conical rotor drum, inner side at the bottom of rotary drum is provided with cylindroid screen cloth, taper surface screen cloth is assembled into taper shape by the fan-shaped metal veil of multi-disc, the root of fan-shaped veil pushed down by cone dish simultaneously, and by screw fastening on rotary drum (cone-element), it is characterized in that: cone dish and taper surface screen interface are provided with double wedge platform, double wedge platform is provided with anti-skidding double wedge, on rotary drum (cone-element), be correspondingly provided with the concave plateau coordinated with double wedge platform simultaneously.
2. a kind of screen fixing device for rotary drum (cone-element) class centrifuge as claimed in claim 1, is characterized in that: the tip of described cone dish is larger arc transition.
3. a kind of screen fixing device for rotary drum (cone-element) class centrifuge as claimed in claim 1 or 2, is characterized in that: be provided with two screws with being centrosymmetric on the ring surface of the hold-down screw of cone dish.
4. a kind of screen fixing device for rotary drum (cone-element) class centrifuge as claimed in claim 1, it is characterized in that: the groove of annular together with adding respectively with the relevant position at the bottom of rotary drum at rotary drum (cone-element), face of cylinder screen cloth loads between upper and lower twice annular groove, then embeds round rubber bar and carries out fastening.
5. a kind of screen fixing device for rotary drum (cone-element) class centrifuge as claimed in claim 4, it is characterized in that: on rotary drum (cone-element), the screw of fixed cone dish is located at the groove place of the annular of rotary drum (cone-element), this screw is through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985402.1U CN205164979U (en) | 2015-12-02 | 2015-12-02 | A screen cloth fixing device for rotary drum (cone -element) class centrifugal separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985402.1U CN205164979U (en) | 2015-12-02 | 2015-12-02 | A screen cloth fixing device for rotary drum (cone -element) class centrifugal separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205164979U true CN205164979U (en) | 2016-04-20 |
Family
ID=55729018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520985402.1U Expired - Fee Related CN205164979U (en) | 2015-12-02 | 2015-12-02 | A screen cloth fixing device for rotary drum (cone -element) class centrifugal separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205164979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076661A (en) * | 2016-08-13 | 2016-11-09 | 安徽东至广信农化有限公司 | A kind of Full-automatic centrifugal device for glyphosate |
-
2015
- 2015-12-02 CN CN201520985402.1U patent/CN205164979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076661A (en) * | 2016-08-13 | 2016-11-09 | 安徽东至广信农化有限公司 | A kind of Full-automatic centrifugal device for glyphosate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102211062B (en) | Special centrifugal machine of machine tool cutting liquid | |
| CN205164979U (en) | A screen cloth fixing device for rotary drum (cone -element) class centrifugal separator | |
| CN205288734U (en) | Can arrange solid -liquid separation section of thick bamboo of material automatically | |
| CN203253628U (en) | Dynamic-sieve-hole rotary-sieve-face self-cleaning solid waste processing device | |
| CN205599518U (en) | Can dismantle split type colliery basket | |
| CN210593979U (en) | Detection device is torn to long distance conveyer belt | |
| CN202810723U (en) | Drilling liquid solid-phase separation equipment | |
| CN103203317B (en) | Dynamic screen hole rotary screen surface automatic-cleaning solid garbage treatment device | |
| CN205903946U (en) | Hammer of crusher | |
| CN106378304A (en) | Separating device applicable to viscosity materials | |
| CN210496844U (en) | Centrifuge transmission assembly connector convenient to clean | |
| CN105127087B (en) | A kind of double-deck circular cone screening plant | |
| KR101277444B1 (en) | Centrifugal separating having bowl with easy solid matter emitting | |
| CN203355902U (en) | Centrifugal machine lining and centrifugal machine water sump provided with same | |
| CN201728571U (en) | Formwork grinding machine with steel wire grinding wheel | |
| CN202045018U (en) | Sealing structure for centrifuge for separating silicon carbide | |
| CN202044988U (en) | Novel grinding roller device of Raymond mill | |
| CN106423442B (en) | A kind of waste and old blob of viscose crushing recyclable device | |
| CN203578019U (en) | Horizontal spiral discharging sedimentation centrifuge provided with protective isolation ribs | |
| CN104525390A (en) | Detachable screening basket | |
| CN202756368U (en) | Anchoring bolt for bonding construction of plate materials | |
| CN204672457U (en) | A kind of Novel spiral discharging and filtering centrifuge scraper | |
| CN205307983U (en) | Sizing material dross removal mechanism | |
| CN102840232B (en) | Wear-resistant single-ball composite bearing | |
| CN105478192A (en) | Toothed plate fixing structure of crusher |
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: 20160420 Termination date: 20161202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |