CN103418543B - A kind of rotary screen subset for material screening fragmentation - Google Patents
A kind of rotary screen subset for material screening fragmentation Download PDFInfo
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- CN103418543B CN103418543B CN201310357915.3A CN201310357915A CN103418543B CN 103418543 B CN103418543 B CN 103418543B CN 201310357915 A CN201310357915 A CN 201310357915A CN 103418543 B CN103418543 B CN 103418543B
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- sieve plate
- slip ring
- frame
- screen drum
- main beam
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Abstract
The present invention relates to a kind of rotary screen subset for material screening fragmentation, mainly formed by the screen drum in housing, housing, bracing or strutting arrangement, clearing apparatus and transmission device for screen drum is fixed, drawing mechanism; Screen drum entrance point is installed higher than port of export lateral inclination mode; 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 each end place slip ring in termination is equal; On main beam in frame cylindrical shell, fix the polygon tubular space that polylith sieve plate forms 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 also assembles broken blade on main beam in frame; Sieve plate outside is also provided with the round brush shape clearing apparatus contacting with sieve plate. This is simple and reliable for structure, easy to operate, and polygon screen drum increases the lifting angle of material, thereby improves the efficiency of separation, and angle of inclination is adjustable.
Description
Technical field
The present invention relates to the field auxiliary devices such as cement building material, power plant, coal, chemical industry, be specially adapted to cement kiln, heatThe pretreated screening plant of 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, along with this technologyConstantly advance, need house refuse amount to be processed increasing, rotary screen subset becomes the key factor of restriction output. At presentIn the use of screening rubbish, there are some problems in rotary screen. 1, complex structure, the profile of restricting rotation screening plant, thereby systemAbout output. 2, component of refuse complexity, various characteristics is changeable, and rotary screen subset cannot be made parameters according to the characteristic of materialAdjust, cause screening efficiency low. 3, bulk rubbish cannot obtain abundant fragmentation after entering rotary screen subset, and sieve results in blockagePlate, has a strong impact on screening efficiency. 4, due to the particularity of municipal garbage, too short and rubbish of time that rubbish stops in rotary screenRubbish rolling 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 kiln and burnThe technological requirement of burning.
Summary of the invention
The problem existing in order to solve existing rotary screen subset, the technical problem to be solved in the present invention is to provide a kind of fullThe rotary screen subset that foot building materials enterprise carries out rubbish and enter kiln harmless treatment requirement, possesses rotating speed adjustable, and inclination angle is adjustable, structureSimply, output is large, and power transmission is simple, system smooth running, and screening efficiency is high, does not stop up, and easy to clean, is specially adapted to rubbishScreening.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
For a rotary screen subset for material screening fragmentation, mainly by the screen drum in housing, housing, for to screen drumBracing or strutting arrangement, clearing apparatus and the transmission device, the drawing mechanism composition that are fixed; It is characterized in that: described screen drum adopt intoMouth end is installed 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,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 each end in termination is equalPlace slip ring; Main beam in frame two ends are closed guard, fix polylith sieve plate and form on the main beam in frame cylindrical shell between closed guardThe 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, sieve plate and framework masterBetween beam, be tightly connected, on main beam in frame also assembling for the broken blade of broken material, broken blade stretch in sieve plate andTowards 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 is corresponding setting alsoPosition-limited wheel, the contact of position-limited wheel and front end slip ring is also followed together with slip ring and is rotated in the time that slip ring rotates; Transmission device by variable-frequency motor,Support roller and power transmission shaft composition, 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 corresponding with this end that is positioned at same one end connectsTouch and be 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, bracing or strutting arrangement and adjusting oilCylinder is connected, 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, each polygonIn shape, be connected to each slip ring; In slip ring, between each adjacent angle steel, have reinforcement, sieve plate is arranged on angle steel by press strip, sieve plate and angleBetween steel, fill sealing strip.
By technique scheme, drawing mechanism comprises the dregs outlet that bottom is corresponding with scalping plate, corresponding with thin sieve plateFinished product material outlet, and the outlet of the oversize of barrel tip.
By technique scheme, described charging and drawing mechanism are by being arranged on bracing or strutting arrangement by bearing respectively, with shellBetween body, 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 sieve on housingLower thing discharging opening, oversize discharging opening.
Equipment is driven by variable-frequency motor, drives screen drum to rotate by two groups of support roller transmissions, and material enters after screen drumAlong with screen drum rotation, by the sieve plate of different pore size is set on cylindrical shell, complete the screening of material.
Owing to adopting technique scheme, tool of the present invention has the following advantages:
Due to inclination angle and rotating speed adjustable, this rotary screen subset can, according to the difference of component of refuse, be taked differentParameter arranges, and 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 easyBe wound around. Screen drum is made into polygon, increases the lifting angle of material, makes material enter the rear tumbling motion that more does, and obtains effectivelyScreening. 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 cylindrical shellImpact in running, power loss is little, moves more steady.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention;
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
Detailed description of the invention
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 present invention is a kind of rotary screen subset for material screening fragmentation, can adapt under many environmentMaterial fragmentation and screening. Mainly by housing 5, the screen drum in housing 5, the bracing or strutting arrangement 15 for screen drum is fixed, cleaningThe compositions such as device 18 and transmission device, drawing mechanism 8; It is characterized in that: described screen drum adopts lateral inclination mode to install, cylindrical shellBe made up 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 shellFramework, forms the polygon tubular space of a sealing along the sieve plate of the fixing polylith different pore size of cylindrical shell direction on main beam in frame;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, sieve plate withBetween main beam in frame, fill sealing strip, on main beam in frame, also assembling is for the broken blade 19 of broken material, and also establish in sieve plate outsideBe equipped 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 position-limited wheel 17 contacts with front end slip ring 3 and in the time that slip ring rotatesFollow slip ring and rotate together, thereby restriction screen drum cylindrical shell moves 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 by each cunningRing is divided into polygon, has reinforcement between angle steel, and sieve plate is arranged on angle steel by press strip, dress sealing between sieve plate and angle steelBar. This structure has ensured installation accuracy, and stability of rotation does not vibrate, and when maintenance, sieve plate can directly be changed from the outside.
Transmission device is made up of variable-frequency motor 1, support roller 16 and power transmission shaft 14. Establish front end slip ring 3 and rear end slip ring 7 belowsPut support roller 16, 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 toolThere is the rubber-wrapping structure of adaptivity, improve the coefficient of friction of support roller and slip ring, increase driving force, be convenient to adjust. 14 of power transmission shaftsIn screen drum below parallel with screen drum center line, fix respectively described support roller 16 at the two ends of power transmission shaft 14. Power transmission shaft 14 adoptsVariable-frequency motor 1 drives, and rotating speed is stepless adjustable. Power transmission shaft is at the homonymy (bottom) of rotary screen subset, according to different size equipmentPower transmission shaft is respectively and adopts bearing or segmentation axle, in the middle of segmentation axle, connects with shaft coupling. Active roller station is installed on power transmission shaft, cylinderBody 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 cylindrical shell slip ringThe 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 oilCylinder 11 is adjusted. The duty of rotary screen subset can be adjusted in the scope of 3 °～8 °, and alignment pin is locked, and safety canLean on, be equipped with the cylindrical shell of two gear wheel position rotating screening plants at the front end of bracing or strutting arrangement.
Broken bag blade 19 is for broken bulk bagged garbage. Sieve plate is made up of stainless steel or high Mn plate.
Drawing mechanism 8 comprises the dregs outlet 13 that bottom is corresponding with scalping plate 4, the finished product material outlet corresponding with thin sieve plate 612, and the oversize of barrel tip outlet 10. Drawing mechanism 8 places are also provided with the banister 9 for overhauling.
Clearing apparatus 18 is arranged on housing 5, contacts with the thin sieve plate 4 on cylindrical shell, and in the time that cylindrical shell rotates, thin sieve plate 4 meetingsDrive clearing apparatus 18 to rotate, be arranged on sweeper on clearing apparatus 18 just by the cleaning completing cylindrical shell sieve plate face. CleaningOn device 18, adjusting device is also installed, the distance between energy regulating cleaner and sieve plate, to reach best cleaning effect.
Operation principle: in the time that variable-frequency motor 1 drives power transmission shaft rotation, support roller 16 just will drive slip ring rotation, thereby driveCylindrical shell rotation, material enters in cylindrical shell by feed arrangement 2, under the drive of cylindrical shell, will be brought to high point and then fall againLow spot, makes tumbling motion, and the coarse fodder of large particle diameter is sifted out in dregs outlet 13, and the material that is less than hole diameter of sieve (perforated) plate just exports by finished product material12 discharge rotary screen subset, tilt to install because cylindrical shell adopts, and material can travel forward on rolling limit, limit, sets up separately by rotary screenStandby total length, until defective material is discharged from oversize outlet 10.
Claims (6)
1. for a rotary screen subset for material screening fragmentation, main by the screen drum in housing, housing, for screen drum is enteredBracing or strutting arrangement, clearing apparatus and transmission device, drawing mechanism composition that row is fixing; It is characterized in that: described screen drum adopts importEnd is installed 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, frameIt is polygonal cylindrical shell framework that frame girder is configured to cross section, and each polygonal cylindrical shell framework is connected to each end institute in all in terminationAt slip ring; Main beam in frame two ends are closed guard, fix polylith sieve plate and form one on the main beam in frame cylindrical shell between closed guardThe polygon tubular space of individual sealing; Sieve plate is divided into scalping plate and thin sieve plate by entrance point to the port of export, sieve plate and main beam in frameBetween be tightly connected, on main beam in frame, also assembling is for the broken blade of broken material, broken blade stretches in sieve plate and courtTo screen drum center; Sieve plate outside is also provided with the round brush shape clearing apparatus contacting with sieve plate; Clearing apparatus is arranged on housing, withThe contact of thin sieve plate on cylindrical shell, in the time that cylindrical shell rotate, thin sieve plate can drive clearing apparatus rotation, be arranged on clearing apparatus clearlySweep device just by the cleaning completing cylindrical shell sieve plate face; Adjusting device is also installed on clearing apparatus, can regulating cleaner and sieve plateBetween distance; Two slip rings are respectively the front end slip ring of import, the rear end slip ring of outlet, and front end slip ring below is corresponding setting alsoPosition-limited wheel, the contact of position-limited wheel and front end slip ring is also followed together with slip ring and is rotated in the time that slip ring rotates; Transmission device by variable-frequency motor,Support roller and power transmission shaft composition, 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 corresponding with this end that is positioned at same one end connectsTouch and be combined to form a pair of friction slip drive.
2. rotary screen subset according to claim 1, is characterized in that: described bracing or strutting arrangement is for being connected with basis, groundBracing frame, bracing or strutting arrangement is connected with regulating oil cylinder, and the inclination angle of screen drum lateral inclination is 3 ° ~ 8 °.
3. rotary screen subset according to claim 2, is characterized in that: described main beam in frame is that angle steel forms, each angleSteel 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 logicalCross press strip and be arranged on angle steel, between sieve plate and angle steel, fill sealing strip.
4. according to the rotary screen subset one of claim 1-3 Suo Shu, it is characterized in that: drawing mechanism comprises bottom and scalpingThe dregs outlet that plate is corresponding, the finished product material outlet corresponding with thin sieve plate, and the outlet of the oversize of barrel tip.
5. rotary screen subset according to claim 4, is characterized in that: feed arrangement and drawing mechanism are respectively by propping upSeat is arranged on bracing or strutting arrangement, and feed arrangement and drawing mechanism are by being tightly connected separately and between housing, and drawing mechanism end is joinedStandby dust arrester installation.
6. according to one of claim 1-3 or the rotary screen subset described in 5, it is characterized in that: described housing by skeleton andPlate Welding forms, and has charging aperture, each section of screenings discharging opening, oversize discharging opening on housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310357915.3A CN103418543B (en) | 2013-08-16 | 2013-08-16 | A kind of rotary screen subset for material screening fragmentation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310357915.3A CN103418543B (en) | 2013-08-16 | 2013-08-16 | A kind of rotary screen subset for material screening fragmentation |
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| Publication Number | Publication Date |
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| CN103418543A CN103418543A (en) | 2013-12-04 |
| CN103418543B true CN103418543B (en) | 2016-05-04 |
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| CN201310357915.3A Active CN103418543B (en) | 2013-08-16 | 2013-08-16 | A kind of rotary screen subset for material screening fragmentation |
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