CN203448275U - Rotary screening device for screening and pulverizing materials - Google Patents
Rotary screening device for screening and pulverizing materials Download PDFInfo
- Publication number
- CN203448275U CN203448275U CN201320501647.3U CN201320501647U CN203448275U CN 203448275 U CN203448275 U CN 203448275U CN 201320501647 U CN201320501647 U CN 201320501647U CN 203448275 U CN203448275 U CN 203448275U
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- screening
- slip ring
- main beam
- sieve plate
- frame
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Abstract
The utility model relates to a rotary screening device for screening and pulverizing materials. The rotary screening device mainly consists of a shell, a screening drum which is arranged in the shell, a supporting device for fixing the screening drum, a sweeping device, a transmission device and a discharging device; the screening drum is obliquely and transversely installed in a manner that the inlet end is higher than the outlet end; the screening drum is formed by respectively connecting a circular slide ring onto two ends of a framework main beam, the framework main beam is a barrel framework with a polygonal cross section, and the end of each polygonal barrel framework is respectively and internally connected to the slide ring; a plurality of screening plates are fixed on the framework main beam barrel to form a closed polygonal cylindrical space; the screening plate is divided into a large screening plate and a small screening plate from the inlet end to the outlet end, the screening plate is connected with the framework main beam in a sealing manner, and the framework main beam is also provided with a pulverizing blade; and the outer side of the screening plate is also provided with a rolling-brush cleaning device which is contacted with the screening plate. The rotary screening device is simple and reliable in structure and convenient to operate; and the hoisting angle of the material is increased through the polygonal barrel, so that the screening efficiency can be improved, and the inclination angle is adjustable.
Description
Technical field
The utility model relates to the field auxiliary devices such as cement building material, power plant, coal, chemical industry, is specially adapted to cement kiln, the pretreated screening plant of steam power plant's waste incineration.
Background technology
It is one of effective measures of now generally acknowledged rubbish processing to be harmless that rubbish enters that kiln burns, and along with the continuous propelling of this technology, needs house refuse amount to be processed increasing, and rotary screen subset becomes the key factor of restriction output.There are some problems in rotary screen at present in the use of screening rubbish.1, complex structure, the profile of restricting rotation screening plant, thereby restriction output.2, component of refuse is complicated, and various characteristics is changeable, and rotary screen subset cannot be made parameters adjustment according to the characteristic of material, causes screening efficiency low.3, bulk rubbish cannot obtain abundant fragmentation after entering rotary screen subset, and the sieve plate that results in blockage, has a strong impact on screening efficiency.4,, due to the particularity of municipal garbage, the too short and rubbish rolling of time that rubbish stops in rotary screen not, cannot reach theoretical screening efficiency.5, after long-time use, sieve plate easily stops up, and labor cleaning's difficulty is excessive.6, transmission intermediate link is many, and power loss is large, galloping, and noise is large.The existence of above problem, cannot reach rubbish and enter the technological requirement that kiln burns.
Summary of the invention
The problem existing in order to solve existing rotary screen subset, the technical problem that will solve of the present utility model is to provide and a kind ofly meets building materials enterprise and carry out rubbish and enter the rotary screen subset that kiln harmless treatment requires, and possesses rotating speed adjustable, and inclination angle is adjustable, simple in structure, output is large, and power transmission is simple, system smooth running, screening efficiency is high, do not stop up, easy to clean, is specially adapted to sieving garbage.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
For a rotary screen subset for material screening fragmentation, mainly by the screen drum in housing, housing, bracing or strutting arrangement, clearing apparatus and transmission device for screen drum is fixed, drawing mechanism, formed; It is characterized in that: described screen drum adopts entrance point to install higher than the lateral inclination mode of the port of export; Screen drum connects separately a circular slip ring by main beam in frame two ends and forms, and it is polygonal cylindrical shell framework that main beam in frame is configured to cross section, and each polygonal cylindrical shell framework is connected to and respectively holds place slip ring in termination is equal; Main beam in frame two ends are closed guard, and on the main beam in frame cylindrical shell between closed guard, fixedly polylith sieve plate forms the polygon tubular space of a sealing; Sieve plate is divided into scalping plate and thin sieve plate by entrance point to the port of export, between sieve plate and main beam in frame, is tightly connected, and on main beam in frame, also assembling is for the broken blade of broken material, and broken blade stretches in sieve plate and towards screen drum center; Sieve plate outside is also provided with the round brush shape clearing apparatus contacting with sieve plate.
By technique scheme, two slip rings are respectively front end slip ring, rear end slip ring, and front end slip ring below also correspondence arranges position-limited wheel, and position-limited wheel and the contact of front end slip ring are also followed together with slip ring and rotated when slip ring rotates; Transmission device is comprised of variable-frequency motor, support roller and power transmission shaft, and power transmission shaft is symmetrically distributed in both sides parallel with screen drum center line, screen drum below; Each slip ring below, each power transmission shaft two ends all arrange a support roller accordingly with slip ring, and a pair of support roller slip ring contact corresponding with this end that is positioned at same one end is combined to form a pair of friction drive wheel.
By technique scheme, described bracing or strutting arrangement is the bracing frame being connected with basis, ground, and bracing or strutting arrangement is connected with regulating oil cylinder, and the inclination angle of screen drum lateral inclination is 3 ° ~ 8 °.
By technique scheme, described main beam in frame is that angle steel forms, and each angle steel ending connects and composes polygon, is connected to each slip ring in each polygon; In slip ring, between each adjacent angle steel, have reinforcement, sieve plate is arranged on angle steel by press strip, between sieve plate and angle steel, fills sealing strip.
By technique scheme, drawing mechanism comprises the dregs outlet that bottom is corresponding with scalping plate, the finished product material outlet corresponding with thin sieve plate, and the outlet of the oversize of barrel tip.
By technique scheme, described charging and drawing mechanism be by being arranged on bracing or strutting arrangement by bearing respectively, and between housing by being tightly connected, drawing mechanism end is equipped with dust arrester installation.
By technique scheme, described housing is formed by skeleton and Plate Welding, has charging aperture, each section of screenings discharging opening, oversize discharging opening on housing.
Equipment is driven by variable-frequency motor, by two groups of support roller transmissions, drives screen drums to rotate, and material enters after screen drum along with screen drum rotation, by the sieve plate of different pore size is set on cylindrical shell, completes the screening of material.
Owing to adopting technique scheme, the utlity model has following advantage:
Due to inclination angle and rotating speed adjustable, this rotary screen subset can be taked different parameter settings according to the difference of component of refuse, reaches high efficiency screening efficiency.
Equipment adopts the mode of friction pulley transmission, effectively absorbs the impact of motion, compensation screen drum fabrication and installation error.
Because power transmission shaft is at cylinder body bottom, screen drum belongs to shaftless design, and structure is simpler, and output is larger, and rubbish is not easy to be wound around.Screen drum is made into shape changeable, increases the lifting angle of material, makes material enter the rear tumbling motion of more doing, and is effectively sieved.And polygonized structure can also increase residence time of material, further improve screening efficiency.
The broken blade of installing on screen drum framework can effective broken bulk materials, thereby further improves screening efficiency.
Clearing apparatus is arranged on housing, rotate together with screen drum, and and cylindrical shell between gap capable of regulating, clearing apparatus can clean sieve plate in the process of rotary screen subset work, effectively avoids sieve plate to stop up.
Transmission adopts single shaft transmission, simple in structure, and middle shaft coupling energy effective compensation is manufactured alignment error, and the impact in cylindrical shell running, and power loss is little, moves more steady.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the screen drum sectional view of Fig. 1.
Number in the figure:
1. variable-frequency motor 2. feed arrangement 3. front end slip rings
4. scalping plate 5. housing 6. thin sieve plates
7. rear end slip ring 8. drawing mechanism 9. banister
10. oversize outlet 11. regulates oil cylinder 12. finished product material outlets
13. dregs export 14. power transmission shaft 15. bracing or strutting arrangements
16. support roller 17. position-limited wheel 18. clearing apparatus
19. broken bag blades
The specific embodiment
For understanding better the present invention, below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1-3, the utility model is a kind of rotary screen subset for material screening fragmentation, can adapt to material fragmentation and screening under many environment.Mainly by housing 5, the compositions such as the screen drum in housing 5, the bracing or strutting arrangement 15 for screen drum is fixed, clearing apparatus 18 and transmission device, drawing mechanism 8; It is characterized in that: described screen drum adopts lateral inclination mode to install, cylindrical shell consists of the main beam in frame between front end slip ring 3, rear end slip ring 7 and two slip rings, main beam in frame is that cross section is polygonal cylindrical shell framework, on main beam in frame along cylindrical shell direction fixedly the sieve plate of polylith different pore size form the polygon tubular space of a sealing; Sieve plate is divided into scalping plate 4 and thin sieve plate 6 by entrance point to the port of export; Sieve plate is arranged on main beam in frame by press strip, between sieve plate and main beam in frame, fills sealing strip, and on main beam in frame, also assembling is for the broken blade 19 of broken material, and sieve plate outside is also provided with the round brush shape clearing apparatus 18 contacting with sieve plate.
Front end slip ring 3 belows also correspondence arrange position-limited wheel 17, and 3 contacts of position-limited wheel 17 and front end slip ring are also followed together with slip ring and rotated when slip ring rotate, thereby limit screen drum cylindrical shell, move downward.
Described main beam in frame is that angle steel forms, and is specially two slip ring inner side head and the tail and connects uniform angle steel, and angle steel is divided into polygon by each slip ring, has reinforcement between angle steel, and sieve plate is arranged on angle steel by press strip, between sieve plate and angle steel, fills sealing strip.This structure has guaranteed installation accuracy, and stability of rotation does not vibrate, and during maintenance, sieve plate can directly be changed from the outside.
Transmission device is comprised of variable-frequency motor 1, support roller 16 and power transmission shaft 14.Front end slip ring 3 and rear end slip ring 7 belows arrange support roller 16, and support roller 16 forms respectively two pairs of friction pulley transmissions with front end slip ring 3 and rear end slip ring 7.Support roller 16 cylindricals adopt the rubber-wrapping structure with adaptivity, improve the coefficient of friction of support roller and slip ring, increase driving force, are convenient to adjust.Power transmission shaft 14 is positioned at screen drum below parallel with screen drum center line, at the two ends of power transmission shaft 14, fixes respectively described support roller 16.Power transmission shaft 14 adopts variable-frequency motor 1 to drive, and rotating speed is stepless adjustable.Power transmission shaft, at the homonymy (bottom) of rotary screen subset, is respectively and adopts bearing or segmentation axle according to different size equipment power transmission shaft, in the middle of segmentation axle, with shaft coupling, connects.Active roller station is installed on power transmission shaft, and cylindrical shell supports by two passive support rollers of two active roller stations on power transmission shaft and the power transmission shaft other end.Support roller and the cylindrical shell slip ring friction drive wheel that partners carries out transmission.
Described bracing or strutting arrangement 15 is the bracing frame being connected with basis, ground, and the angle of bracing or strutting arrangement 15 can be by regulating oil cylinder 11 to adjust.The duty of rotary screen subset can be adjusted in the scope of 3 ° ~ 8 °, and alignment pin is locked, safe and reliable, is equipped with the cylindrical shell of two gear wheel position rotating screening plants at the front end of bracing or strutting arrangement.
Drawing mechanism 8 comprises the dregs outlet 13 that bottom is corresponding with scalping plate 4, the finished product material outlet 12 corresponding with thin sieve plate 6, and the oversize of barrel tip outlet 10.Drawing mechanism 8 places are also provided with the banister 9 for overhauling.
Operation principle: when variable-frequency motor 1 drives power transmission shaft rotation, support roller 16 just will drive slip ring rotation, thereby drive cylindrical shell rotation, material enters in cylindrical shell by motion device 2, under the drive of cylindrical shell, to be brought to high point and then fall again low spot, make tumbling motion, the coarse fodder of large particle diameter is sifted out in dregs outlet 13, the material that is less than hole diameter of sieve (perforated) plate just exports 12 by finished product material and discharges rotary screen subset, because adopting, cylindrical shell tilts to install, material can travel forward on rolling limit, limit, by the total length of rotary screen subset, until defective material is discharged from oversize outlet 10.
Claims (7)
1. for a rotary screen subset for material screening fragmentation, mainly by the screen drum in housing, housing, bracing or strutting arrangement, clearing apparatus and transmission device for screen drum is fixed, drawing mechanism, formed; It is characterized in that: described screen drum adopts entrance point to install higher than the lateral inclination mode of the port of export; Screen drum connects separately a circular slip ring by main beam in frame two ends and forms, and it is polygonal cylindrical shell framework that main beam in frame is configured to cross section, and each polygonal cylindrical shell framework is connected to and respectively holds place slip ring in termination is equal; Main beam in frame two ends are closed guard, and on the main beam in frame cylindrical shell between closed guard, fixedly polylith sieve plate forms the polygon tubular space of a sealing; Sieve plate is divided into scalping plate and thin sieve plate by entrance point to the port of export, between sieve plate and main beam in frame, is tightly connected, and on main beam in frame, also assembling is for the broken blade of broken material, and broken blade stretches in sieve plate and towards screen drum center; Sieve plate outside is also provided with the round brush shape clearing apparatus contacting with sieve plate.
2. rotary screen subset according to claim 1, it is characterized in that: two slip rings are respectively front end slip ring, rear end slip ring, front end slip ring below also correspondence arranges position-limited wheel, and position-limited wheel and the contact of front end slip ring are also followed together with slip ring and rotated when slip ring rotates; Transmission device is comprised of variable-frequency motor, support roller and power transmission shaft, and power transmission shaft is symmetrically distributed in both sides parallel with screen drum center line, screen drum below; Each slip ring below, each power transmission shaft two ends all arrange a support roller accordingly with slip ring, and a pair of support roller slip ring contact corresponding with this end that is positioned at same one end is combined to form a pair of friction drive wheel.
3. rotary screen subset according to claim 1 and 2, is characterized in that: the bracing frame of described bracing or strutting arrangement for being connected with basis, ground, bracing or strutting arrangement is connected with regulating oil cylinder, and the inclination angle of screen drum lateral inclination is 3 ° ~ 8 °.
4. rotary screen subset according to claim 3, is characterized in that: described main beam in frame is that angle steel forms, and each angle steel ending connects and composes polygon, is connected to each slip ring in each polygon; In slip ring, between each adjacent angle steel, have reinforcement, sieve plate is arranged on angle steel by press strip, between sieve plate and angle steel, fills sealing strip.
5. according to the rotary screen subset described in claim 1 or 2 or 4, it is characterized in that: drawing mechanism comprises the dregs outlet that bottom is corresponding with scalping plate the finished product material outlet corresponding with thin sieve plate, and the outlet of the oversize of barrel tip.
6. rotary screen subset according to claim 5, is characterized in that: described charging and drawing mechanism be by being arranged on bracing or strutting arrangement by bearing respectively, and between housing by being tightly connected, drawing mechanism end is equipped with dust arrester installation.
7. according to the rotary screen subset described in claim 1 or 2 or 4 or 6, it is characterized in that: described housing is formed by skeleton and Plate Welding, on housing, have charging aperture, each section of screenings discharging opening, oversize discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501647.3U CN203448275U (en) | 2013-08-16 | 2013-08-16 | Rotary screening device for screening and pulverizing materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501647.3U CN203448275U (en) | 2013-08-16 | 2013-08-16 | Rotary screening device for screening and pulverizing materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203448275U true CN203448275U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320501647.3U Expired - Lifetime CN203448275U (en) | 2013-08-16 | 2013-08-16 | Rotary screening device for screening and pulverizing materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203448275U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418543A (en) * | 2013-08-16 | 2013-12-04 | 华新水泥(黄石)装备制造有限公司 | Rotary screening equipment for material screening and crushing |
| CN104264620A (en) * | 2014-09-13 | 2015-01-07 | 芜湖市恒浩机械制造有限公司 | Vibrating device for cleaning and breaking all-in-one machine |
| CN105688489A (en) * | 2016-03-10 | 2016-06-22 | 赵颖 | Drum screening machine and application thereof in oil sludge treatment |
| CN106705645A (en) * | 2017-01-19 | 2017-05-24 | 苏州廖若机电科技有限公司 | Inclination angle adjusting device of three-return-stroke rotary dryer |
| CN107088514A (en) * | 2017-06-30 | 2017-08-25 | 无锡绿麦环保科技有限公司 | Trommelling breaker |
| CN107116093A (en) * | 2017-06-30 | 2017-09-01 | 无锡绿麦环保科技有限公司 | Classifying treater of living refuse |
| CN109877039A (en) * | 2019-04-28 | 2019-06-14 | 苏州嘉诺环境工程有限公司 | A kind of rotary screen |
| CN110560354A (en) * | 2019-09-16 | 2019-12-13 | 杭州锦江集团有限公司 | Organic garbage treatment device |
-
2013
- 2013-08-16 CN CN201320501647.3U patent/CN203448275U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418543A (en) * | 2013-08-16 | 2013-12-04 | 华新水泥(黄石)装备制造有限公司 | Rotary screening equipment for material screening and crushing |
| CN103418543B (en) * | 2013-08-16 | 2016-05-04 | 华新水泥(黄石)装备制造有限公司 | A kind of rotary screen subset for material screening fragmentation |
| CN104264620A (en) * | 2014-09-13 | 2015-01-07 | 芜湖市恒浩机械制造有限公司 | Vibrating device for cleaning and breaking all-in-one machine |
| CN104264620B (en) * | 2014-09-13 | 2016-05-11 | 芜湖市恒浩机械制造有限公司 | A kind of cleaning crushing all-in-one machine vibrating device |
| CN105688489A (en) * | 2016-03-10 | 2016-06-22 | 赵颖 | Drum screening machine and application thereof in oil sludge treatment |
| CN106705645A (en) * | 2017-01-19 | 2017-05-24 | 苏州廖若机电科技有限公司 | Inclination angle adjusting device of three-return-stroke rotary dryer |
| CN107088514A (en) * | 2017-06-30 | 2017-08-25 | 无锡绿麦环保科技有限公司 | Trommelling breaker |
| CN107116093A (en) * | 2017-06-30 | 2017-09-01 | 无锡绿麦环保科技有限公司 | Classifying treater of living refuse |
| CN109877039A (en) * | 2019-04-28 | 2019-06-14 | 苏州嘉诺环境工程有限公司 | A kind of rotary screen |
| CN110560354A (en) * | 2019-09-16 | 2019-12-13 | 杭州锦江集团有限公司 | Organic garbage treatment device |
| CN110560354B (en) * | 2019-09-16 | 2024-04-02 | 开曼铝业（三门峡）有限公司 | Organic garbage treatment device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |