CN203437303U - Drum screening device - Google Patents
Drum screening device Download PDFInfo
- Publication number
- CN203437303U CN203437303U CN201320521225.2U CN201320521225U CN203437303U CN 203437303 U CN203437303 U CN 203437303U CN 201320521225 U CN201320521225 U CN 201320521225U CN 203437303 U CN203437303 U CN 203437303U
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- Prior art keywords
- screen
- screen cloth
- airduct
- screening
- sieve
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Abstract
The utility model discloses a drum screening device which mainly comprises a rotary shaft, an air pipe, a screen body, spraying nozzles, a screen, a fixed shaft and a material in-out opening. The fixed shaft and the rotary shaft are concentric, the screen body and the screen are both cylindrical, the air pipe is installed at the position 5-20mm higher than the screen, and the spraying nozzles are evenly formed in the air pipe. According to the drum screening device, blocked screen holes can be cleared in time, materials are effectively screened, and the drum screening device has the advantages of being simple in structure, high in screening efficiency, suitable for screening the materials with various particle sizes, stable in work, high in production efficiency, convenient to maintain, easy to manage and the like.
Description
Technical field
The utility model relates to a kind of screening plant, is 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 part particle see through sieve aperture, and the materials such as sand, gravel, rubble are divided into 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 comb grid to be contained in disintegrating machine import top mostly, to prevent that the material of ultra-specification from falling 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, 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.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 one 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, in screening machine feed, there is the fine grained that is less than screen size, 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 " are easily clipped in sieve aperture, be subject to the extruding of material and stop up sieve aperture in turning course.There is the defects such as sieve aperture easily stops up modification, screening efficiency is low, and productivity ratio is low in existing screening machine.
Utility model content
The technical problems to be solved in the utility model 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, screening efficiency advantages of higher.
In order to address the above problem, the utility model is realized by following technology:
A subset, mainly comprises 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 in support (not shown), and turning cylinder is connected with drive unit (not shown).
Described sieve nest is to be cylindricly connected with fixed axis.
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 is all 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 fixed axis place passes into gas, along 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 beneficial effects of the utility model are:
The screen cloth top of rotary screen subset is provided with airduct, is uniformly distributed nozzle on airduct, and nozzle blows to screen cloth.In airduct, pass into gas, gas blows to screen surface by nozzle, remove screen surface and be clipped in the material in sieve aperture, dredge in time sieve aperture, in order to avoid be subject to the extruding of material in turning course, stop up sieve aperture, effectively complete material screening, promote screening efficiency, avoid due to sieve pore blockade or reduce the phenomenon that causes granule to be flowed out by sieve aperture, improving screening quality.
In screening plant, screen cloth can have multilayer, sieves the material of variable grain size simultaneously, and is all 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 utility model efficiently solve rotary screen in screening process because accurate particle or moist material blocking screen hole cause the shortcoming that screening efficiency is low, have simple in structurely, quickness and high efficiency, is applicable to the screening of multiple granular size, stable working, productivity ratio advantages of higher.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
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 utility model is described further.
A subset, mainly comprises 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 in support (not shown), and turning cylinder 1 is connected with drive unit (not shown).Described sieve nest 3 is to be cylindricly connected with fixed axis 2.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 is all 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, avoid due to sieve pore blockade or reduce the phenomenon that causes granule to be flowed out by sieve aperture, improving 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 are all 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 utility model efficiently solve rotary screen in screening process because accurate particle or moist material blocking screen hole cause the shortcoming that screening efficiency is low; 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 utility model and the described technical scheme of unrestricted utility model; Therefore, although this description has been described in detail the utility model 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 utility model; And all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.
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 support, and turning cylinder is connected with drive unit; Described sieve nest, screen cloth are cylindric; 5-20mm place, described screen cloth top is provided 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 |
|---|---|---|---|
| CN201320521225.2U CN203437303U (en) | 2013-08-23 | 2013-08-23 | Drum screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521225.2U CN203437303U (en) | 2013-08-23 | 2013-08-23 | Drum screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203437303U true CN203437303U (en) | 2014-02-19 |
Family
ID=50088378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320521225.2U Expired - Fee Related CN203437303U (en) | 2013-08-23 | 2013-08-23 | Drum screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203437303U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436072A (en) * | 2016-01-26 | 2016-03-30 | 梁小利 | Energy-saving efficient screening and dedusting device for grains |
| CN107262358A (en) * | 2017-08-09 | 2017-10-20 | 蔡小三 | A kind of roller screening plant and screening system |
| CN108787419A (en) * | 2018-07-16 | 2018-11-13 | 浙江富昌机械有限公司 | A kind of abnormity capsule screening machine |
| CN112293785A (en) * | 2019-08-02 | 2021-02-02 | 秦皇岛烟草机械有限责任公司 | Blade wind separation system and method |
-
2013
- 2013-08-23 CN CN201320521225.2U patent/CN203437303U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436072A (en) * | 2016-01-26 | 2016-03-30 | 梁小利 | Energy-saving efficient screening and dedusting device for grains |
| CN105436072B (en) * | 2016-01-26 | 2017-05-17 | 东莞理工学院 | Energy-saving screening and dedusting device for grains |
| CN107262358A (en) * | 2017-08-09 | 2017-10-20 | 蔡小三 | A kind of roller screening plant and screening system |
| CN108787419A (en) * | 2018-07-16 | 2018-11-13 | 浙江富昌机械有限公司 | A kind of abnormity capsule screening machine |
| CN112293785A (en) * | 2019-08-02 | 2021-02-02 | 秦皇岛烟草机械有限责任公司 | Blade wind separation system and method |
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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: 20140219 Termination date: 20140823 |
|
| EXPY | Termination of patent right or utility model |