CN103433199A - Roller screening device - Google Patents
Roller screening device Download PDFInfo
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- CN103433199A CN103433199A CN2013103739504A CN201310373950A CN103433199A CN 103433199 A CN103433199 A CN 103433199A CN 2013103739504 A CN2013103739504 A CN 2013103739504A CN 201310373950 A CN201310373950 A CN 201310373950A CN 103433199 A CN103433199 A CN 103433199A
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- screen cloth
- screen
- screening
- airduct
- sieve
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Abstract
Disclosed is a roller screening device. The roller screening device mainly comprises a rotating shaft, an air pipe, a screen body, nozzles, a screen cloth, a fixed shaft and a material inlet and outlet. The fixed shaft and the rotating shaft are concentric. The screen body and the screen cloth are both cylindrical. The air pipe is installed above the screen cloth 5. The nozzles are evenly distributed in the air pipe. The roller screening device has the advantages of being capable of timely cleaning blocked screen meshes, effectively screening materials, being simple in structure, efficient in screening, applicable to screening various granular sizes, steady in work, high in productivity, convenient to maintain and easy to manage, and the like.
Description
Technical field
The present invention relates to a kind of screening plant, be specifically related to a kind of rotary screen subset.
Background technology
Sieving machine utilizes the relative motion of bulk granular material and compass screen surface, makes the part particle see through sieve aperture, and the materials such as sand, gravel, rubble are divided into to the vibration screening machinery equipment of different stage by granular size.Screening machine divides gravity flow screen and portable screen two classes, and portable screen is component of rotation sieve and vibratory sieve again.Gravity flow screen adopts the comb grid to be contained in disintegrating machine import top mostly, with the material that prevents ultra-specification, falls into.Trundle screen mostly by plate sieve, is converted into polygonal or circular cylinder body forms, and it is simple in structure, the life-span is long, but productivity ratio is low, body is heavy, huge, the there be limited evidence currently of employing.Screening machine is that a kind of being widely used in is divided into other equipment of two or more particle size fractions by bulk material, the general dry method that adopts of screening.The rotary screen working portion is cylindrical shape, and whole sieve turns round around tubular axis, and axis is dressed up little inclination angle in the ordinary course of things.Material feeds from an end of cylinder, and thin rank material passes through from the sieve aperture of tubular working surface, and coarse-grained material is discharged from the other end of cylinder.The rotating speed of drum sieve is very low, stable working, dynamic equilibrium are good.But if material is moister, tiny particle sticks on screen cloth, stops up sieve aperture, affects screening efficiency; In addition, there is the fine grained that is less than screen size in the screening machine feed, can all not sieve away, low with the much the same particle percent of pass of screen size, granularity more approaches screen size, more difficult by sieve aperture, these " accurate particles " easily are clipped in sieve aperture, be subject to the extruding of material and stop up sieve aperture in turning course.There are the defects such as sieve aperture easily stops up modification, screening efficiency is low, and productivity ratio is low in existing screening machine.
Summary of the invention
The technical problem to be solved in the present invention is: for rotary screen accurate Particle Blocking sieve aperture and cause the shortcoming that screening efficiency is low that a kind of rotary screen subset is provided in screening process, this rotary screen subset can be cleared up the effective screening materials carrying of sieve aperture of obstruction in time, simple in structure, the screening efficiency advantages of higher.
In order to address the above problem, the present invention is achieved through technology:
A kind of rotary screen subset, mainly comprise turning cylinder, airduct, sieve nest, nozzle, screen cloth, fixed axis, material import and export.Described fixed axis is concentric with turning cylinder, and fixed axis is fixed on the support (not shown), and turning cylinder is connected with the drive unit (not shown).
Described sieve nest is cylindricly with fixed axis, to be connected.
Described screen cloth is cylindric, and on connection and turning cylinder, the screen cloth under drive unit drives on turning cylinder and installation and turning cylinder is done uniform rotation.Described screen cloth is not limit one deck, can sieve as required the material of 2-6 kind different-grain diameter.The top of every layer of screen cloth all is furnished with airduct and nozzle.
Fixed axis is pressed close in the front portion of described airduct, and rear portion is fixed on sieve nest, and is positioned at 5-20mm place, screen cloth top.Some nozzles of evenly arranging on airduct.Airduct entrance by the fixed axis place passes into gas, along the airduct track, through nozzle, flows out.
One end of sieve nest is turning cylinder, and the other end is material import and export.Sieve nest and each layer of screen cloth have respectively material import and export, by material sealing and each layer of screen cloth.
Adopted technique scheme, the invention has the beneficial effects as follows:
The screen cloth top of rotary screen subset is equipped with airduct, is uniformly distributed nozzle on airduct, and nozzle blows to screen cloth.Pass into gas in airduct, gas blows to screen surface by nozzle, remove screen surface and be clipped in the material in sieve aperture, dredge in time sieve aperture, stop up sieve aperture in order to avoid be subject to the extruding of material in turning course, effectively complete material screening, promote screening efficiency, the phenomenon of avoiding due to sieve pore blockade or reducing to cause granule to be flowed out by sieve aperture, improve screening quality.
In screening plant, screen cloth can have multilayer, sieves the material of variable grain size simultaneously, and all is furnished with airduct and nozzle above every layer of screen cloth, makes the sieve aperture on every layer of screen cloth keep dredging, convenient and swift.
The present invention efficiently solves rotary screen and cause because of accurate particle or moist material blocking screen hole the shortcoming that screening efficiency is low in screening process, has simple in structurely, and quickness and high efficiency, be applicable to the screening of multiple granular size, stable working, productivity ratio advantages of higher.
The accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In accompanying drawing 1: 1. turning cylinder; 2. fixed axis; 3. sieve nest; 4. nozzle; 5. screen cloth; 6. airduct; 7. material import and export;
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
A kind of rotary screen subset, mainly comprise turning cylinder 1, fixed axis 2, sieve nest 3, nozzle 4, screen cloth 5, airduct 6, material import and export 7 as shown in Figure 1.Described fixed axis 2 is concentric with turning cylinder 1, and fixed axis 2 is fixed on the support (not shown), and turning cylinder 1 is connected with the drive unit (not shown).Described sieve nest 3 is cylindricly with fixed axis 2, to be connected.Described screen cloth 5 is cylindric, and on connection and turning cylinder 1, the screen cloth 5 under drive unit drives on turning cylinder 1 and installation and turning cylinder 1 is done uniform rotation.Described screen cloth 5 is not limit one deck, can sieve as required the material of 2-6 kind different-grain diameter.The top of every layer of screen cloth 5 all is furnished with airduct 6 and nozzle 4.Fixed axis 2 is pressed close in the front portion of described airduct 6, and rear portion is fixed on sieve nest 3, and is positioned at screen cloth 5 5-20mm places, top.Some nozzles 4 of evenly arranging on airduct 6.Airduct 6 entrances by fixed axis 2 places pass into gas, gas blows to screen cloth 5 surfaces by nozzle 4, remove screen cloth 5 surfaces and be clipped in the material in sieve aperture, dredging in time sieve aperture, in order to avoid be subject to the extruding of material in turning course, stopping up sieve aperture, effectively complete material screening, promote screening efficiency, effectively complete material screening, promote screening efficiency, the phenomenon of avoiding due to sieve pore blockade or reducing to cause granule to be flowed out by sieve aperture, improve screening quality.In addition, in screening plant, screen cloth 5 can have multilayer, sieves the material of variable grain size simultaneously, and every layer of screen cloth 5 top all are furnished with airduct 6 and nozzle 4, makes the sieve aperture on every layer of screen cloth 5 keep dredging, convenient and swift.One end of sieve nest 3 is turning cylinder 1, and the other end is material import and export 7.Sieve nest 3 has respectively material import and export 7 with each layer of screen cloth 5, by material sealing and each layer of screen cloth.
The present invention efficiently solves rotary screen and cause because of accurate particle or moist material blocking screen hole the shortcoming that screening efficiency is low in screening process; have simple in structure; floor space is little; quickness and high efficiency; be applicable to the screening of multiple granular size, stable working, productivity ratio is high; it is convenient to safeguard, is easy to the advantages such as management.
Finally it should be noted that: above embodiment is only in order to illustrate the present invention and the described technical scheme of unrestricted invention; Therefore, although this specification has been described in detail the present invention with reference to the above embodiments,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement the present invention; And all do not break away from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (1)
1. a rotary screen subset, is characterized in that: mainly comprise turning cylinder, airduct, sieve nest, nozzle, screen cloth, fixed axis, material import and export; Described fixed axis is concentric with turning cylinder, and fixed axis is fixed on the support (not shown), and turning cylinder is connected with the drive unit (not shown); Described sieve nest, screen cloth are cylindric; 5-20mm place, described screen cloth top is equipped with airduct; Fixed axis is pressed close in the front portion of described airduct, and rear portion is fixed on sieve nest, some nozzles of evenly arranging on airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103739504A CN103433199A (en) | 2013-08-23 | 2013-08-23 | Roller screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103739504A CN103433199A (en) | 2013-08-23 | 2013-08-23 | Roller screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103433199A true CN103433199A (en) | 2013-12-11 |
Family
ID=49686964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103739504A Pending CN103433199A (en) | 2013-08-23 | 2013-08-23 | Roller screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103433199A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268642A (en) * | 2015-11-06 | 2016-01-27 | 万世蓉 | Treatment system for sorting household waste |
| CN105396690A (en) * | 2014-09-16 | 2016-03-16 | （株）东洋环境 | Trommel screen and waste seperating system comprising the same |
| CN108202014A (en) * | 2017-12-25 | 2018-06-26 | 湛江市渔好生物科技有限公司 | A kind of aquatic feeds screening plant of mandarin fish |
| CN112474257A (en) * | 2020-10-20 | 2021-03-12 | 廊坊市泽田依诺机械设备有限公司 | Drum-type screening device |
-
2013
- 2013-08-23 CN CN2013103739504A patent/CN103433199A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396690A (en) * | 2014-09-16 | 2016-03-16 | （株）东洋环境 | Trommel screen and waste seperating system comprising the same |
| CN105396690B (en) * | 2014-09-16 | 2017-04-12 | （株）东洋环境 | Trommel screen and waste seperating system comprising the same |
| CN105268642A (en) * | 2015-11-06 | 2016-01-27 | 万世蓉 | Treatment system for sorting household waste |
| CN108202014A (en) * | 2017-12-25 | 2018-06-26 | 湛江市渔好生物科技有限公司 | A kind of aquatic feeds screening plant of mandarin fish |
| CN112474257A (en) * | 2020-10-20 | 2021-03-12 | 廊坊市泽田依诺机械设备有限公司 | Drum-type screening device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |