CN201855745U - Improvement of rotary drum combination manner of piston material pushing type centrifugal machine - Google Patents
Improvement of rotary drum combination manner of piston material pushing type centrifugal machine Download PDFInfo
- Publication number
- CN201855745U CN201855745U CN201020616283XU CN201020616283U CN201855745U CN 201855745 U CN201855745 U CN 201855745U CN 201020616283X U CN201020616283X U CN 201020616283XU CN 201020616283 U CN201020616283 U CN 201020616283U CN 201855745 U CN201855745 U CN 201855745U
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- rotary drum
- material pushing
- wheel disc
- drum body
- centrifugal machine
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Abstract
The utility model relates to a piston material pushing type centrifugal machine, in particular to an improvement of rotary drum combination manner of a piston material pushing type centrifugal machine. The right end of a wheel disc is connected with a rotary drum body through a screw; the left end of the wheel disc is connected with a hollow main shaft; a material pushing plate is connected with the right end part of a material pushing shaft; the material pushing shaft passes through the wheel disc and is mounted in an inner hole of the main shaft through a sliding bearing; and a plurality of adjustable material pushing sheets are mounted on the outer periphery of the right end surface of the material pushing plate. The inner diameter of the left side of the rotary drum body is in interference fit with the outer diameter of an inner boss of the wheel disc; and after the inner diameter of the left side of the rotary drum body is in interference fit with the outer diameter of the inner boss of the wheel disc, the maximum deformation of the rotary drum is lowered below 0.20 mm from more than or equal to 0.5 mm, so that the dehydration rate of the centrifugal machine is improved by 1%-2%, and the operation is more stable.
Description
Technical field
The utility model relates to piston material pushing formula centrifuge, is specifically related to the improvement of single stage piston push-type centrifuge rotary drum compound mode.
Background technology
Piston material pushing formula centrifuge is a kind of perforated wall centrifuge, as its name suggests, piston material pushing formula centrifuge is the mechanism that adopts a kind of similar piston in rotary drum, the filter cake that is trapped on the rotary drum screen cloth is progressively released rotary drum, realize the discharging of centrifuge, the mechanism of this similar piston can be that pusher dish (for example single stage piston pusher centrifuge) also may be prime rotary drum (a multistage pusher centrifuge).The cake moisture of removal rotary drum is low as far as possible to be the basic demand that centrifuge separates; Formation thickness cake layer even, surfacing is the normal prerequisite of moving of centrifuge in the rotary drum.For the ease of processing and maintenance, the piston push centrifuge rotary drum generally adopts combined type at present, i.e. the rotary drum of forming piston push centrifuge by the discoid wheel disc and the rotary drum body cylindraceous of screw connection.At present, matching relationship between piston material pushing formula bowl cylindrical shell and wheel disc is a matched in clearance, when centrifuge turns round, the huge centrifugal force that the own quality of filter cake in the rotary drum and rotary drum produces, bear by rotary drum body, rotary drum body is as a thin cylinder body, unavoidably can produce distortion, and be out of shape irregularly, maximum deformation quantity can be more than or equal to 0.5mm, minimum place even jam pusher dish, in order to make the normal pusher of pusher dish, only turn the diameter of pushing sheet down, the total backlash between wheel disc and the screen cloth is strengthened, so the pusher dish is difficult to push away the filter cake on the clean screen cloth, this remaining cake layer becomes dense through the extruding of pusher dish, even stop up the screen cloth gap, and make newborn cake dewatering insufficient, water content increases suddenly; Inhomogeneous, the surface irregularity of the cake layer of Xing Chenging adds the rotary drum body distortion on the other hand, and the rotary drum running is uneven, must make centrifuge vibration aggravation.
The utility model content
The purpose of this utility model is to solve above-mentioned deficiency, and the reasonable fit form between a kind of rotary drum body and the wheel disc is provided.
For solving above-mentioned technical problem, the utility model is by the following technical solutions: the wheel disc right-hand member is connected with screw with rotary drum body, the wheel disc left end is connected with hollow main shaft, the pusher dish is connected pusher axle right part, the pusher axle runs through wheel disc and is contained in the main shaft endoporus by sliding bearing, and pusher dish right side excircle is equipped with some adjustable pushing sheets.Between rotary drum body left side internal diameter and the wheel disc boss external diameter is interference fit.
Further technical scheme is:
The magnitude of interference between described rotary drum body left side internal diameter and the wheel disc boss external diameter is 0.07mm to 0.10mm.
Compared with prior art, the beneficial effects of the utility model are: the utility model is with after changing interference fit between rotary drum body and the wheel disc, the rotary drum body maximum deformation quantity is by reducing to below the 0.20mm more than or equal to 0.5mm, and dehydration rate improves 1% to 2%, and the centrifuge running steadily.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model;
Fig. 2 is the local enlarged diagram in A place of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of piston material pushing formula bowl compound mode, comprise that wheel disc 4 right-hand members are connected with rotary drum body 6 usefulness screws 8, wheel disc 4 left ends are connected with hollow main shaft 1, pusher dish 5 is connected pusher axle 3 right parts, pusher axle 3 runs through wheel disc 4 and is contained in main shaft 1 endoporus by sliding bearing 2, and pusher dish 5 right side excircles are equipped with some adjustable pushing sheets 9; Between rotary drum body 6 left side internal diameters and the wheel disc 4 boss external diameters is interference fit, and the magnitude of interference is 0.08mm.
Embodiment 2: as shown in Figure 1 and Figure 2, a kind of piston material pushing formula bowl compound mode, comprise that wheel disc 4 right-hand members are connected with rotary drum body 6 usefulness screws 8, wheel disc 4 left ends are connected with hollow main shaft 1, pusher dish 5 is connected pusher axle 3 right parts, pusher axle 3 runs through wheel disc 4 and is contained in main shaft 1 endoporus by sliding bearing 2, and pusher dish 5 right side excircles are equipped with some adjustable pushing sheets 9; Between rotary drum body 6 left side internal diameters and the wheel disc 4 boss external diameters is interference fit, and the magnitude of interference is 0.10mm.
The application of the fit form between rotary drum body described in the utility model and the wheel disc is not limited to the single stage piston pusher centrifuge in the present embodiment, and is suitable equally in secondary of the same type, three grades and multi-level piston pusher centrifuge.
Claims (2)
1. the improvement of a piston material pushing formula bowl compound mode, comprise that wheel disc (4) right-hand member is connected with screw (8) with rotary drum body (6), wheel disc (4) left end is connected with hollow main shaft (1), pusher dish (5) is connected pusher axle (3) right part, pusher axle (3) runs through wheel disc (4) and is contained in main shaft (1) endoporus by sliding bearing (2), pusher dish (5) right side is characterized in that along some adjustable pushing sheets (9) are installed on the cylindrical: be interference fit between rotary drum body (6) left side internal diameter and wheel disc (4) the boss external diameter.
2. the improvement of piston material pushing formula bowl compound mode according to claim 1 is characterized in that: the interference fit between rotary drum body (6) left side internal diameter and wheel disc (4) the boss external diameter is 0.07mm to 0.10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020616283XU CN201855745U (en) | 2010-11-19 | 2010-11-19 | Improvement of rotary drum combination manner of piston material pushing type centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020616283XU CN201855745U (en) | 2010-11-19 | 2010-11-19 | Improvement of rotary drum combination manner of piston material pushing type centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201855745U true CN201855745U (en) | 2011-06-08 |
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ID=44101564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020616283XU Expired - Lifetime CN201855745U (en) | 2010-11-19 | 2010-11-19 | Improvement of rotary drum combination manner of piston material pushing type centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201855745U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987313A (en) * | 2010-11-19 | 2011-03-23 | 成都天保重型装备股份有限公司 | Improvement of piston push centrifuge and rotary drum combination way |
| CN103100491A (en) * | 2012-12-14 | 2013-05-15 | 浙江轻机离心机制造有限公司 | Material pushing piece of drum of material pushing centrifugal machine |
| CN105251624A (en) * | 2015-03-23 | 2016-01-20 | 唐凌霄 | Direct-driven centrifugal separation equipment |
| CN105413885A (en) * | 2015-12-27 | 2016-03-23 | 安徽淮化股份有限公司 | Centrifuge for automatically separating pulp and dregs |
| CN106694241A (en) * | 2015-08-26 | 2017-05-24 | 苏州瑞威离心分离技术有限公司 | Horizontal screw-discharge sedimentation centrifuge |
-
2010
- 2010-11-19 CN CN201020616283XU patent/CN201855745U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987313A (en) * | 2010-11-19 | 2011-03-23 | 成都天保重型装备股份有限公司 | Improvement of piston push centrifuge and rotary drum combination way |
| CN103100491A (en) * | 2012-12-14 | 2013-05-15 | 浙江轻机离心机制造有限公司 | Material pushing piece of drum of material pushing centrifugal machine |
| CN105251624A (en) * | 2015-03-23 | 2016-01-20 | 唐凌霄 | Direct-driven centrifugal separation equipment |
| CN108607693A (en) * | 2015-03-23 | 2018-10-02 | 唐凌霄 | A kind of direct-drive type centrifugal separation equipment |
| CN108607693B (en) * | 2015-03-23 | 2021-04-13 | 唐凌霄 | Direct-drive centrifugal separation equipment |
| CN106694241A (en) * | 2015-08-26 | 2017-05-24 | 苏州瑞威离心分离技术有限公司 | Horizontal screw-discharge sedimentation centrifuge |
| CN106694241B (en) * | 2015-08-26 | 2018-10-02 | 苏州瑞威离心分离技术有限公司 | Horizontal spiral discharge sedimentation centrifuge |
| CN105413885A (en) * | 2015-12-27 | 2016-03-23 | 安徽淮化股份有限公司 | Centrifuge for automatically separating pulp and dregs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110608 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |