CN102416377A - Circular hole screen plate roller screen - Google Patents
Circular hole screen plate roller screen Download PDFInfo
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- CN102416377A CN102416377A CN2011104609547A CN201110460954A CN102416377A CN 102416377 A CN102416377 A CN 102416377A CN 2011104609547 A CN2011104609547 A CN 2011104609547A CN 201110460954 A CN201110460954 A CN 201110460954A CN 102416377 A CN102416377 A CN 102416377A
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- web plate
- guard shield
- crossbeam
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- drive pulley
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Abstract
The invention discloses a circular hole screen plate roller screen. Driving pulley groups are arranged on the upper surface of a base; material blocking plates, protection cover beams, access doors and protection cover brackets are arranged on two sides of a transverse line of the base; a protection cover is connected with the protection cover brackets; three layers of punching screen plates are arranged in an inner cavity of the protection cover and connected through connecting plates; a beam is fixedly connected to each layer of punching screen plate; front and rear driving hubs are arranged on the outer sides of front and rear ends of the outer layer of punching screen plate in a roller screen body; a blocking plate is arranged on the outer side face of the rear driving hub; a material inlet is formed at the central position of the blocking plate; a material outlet is formed on the outer side of the front driving hub; a first transmission gear fixedly connected to the periphery of the material inlet is fixedly connected with the rear driving hub through a fixing screw; a variable speed machine is driven by a motor; a second transmission gear arranged on an output shaft of the variable speed machine is meshed with the first transmission gear; and the front and rear driving hubs are in surface contact with the front and rear driving pulley groups. The roller screen can screen materials with various properties, has high sealing performance, does not raise dust, and is operated in a balanced mode.
Description
Technical field
The present invention relates to a kind of rotary screen, relate in particular to a kind of circular hole web plate rotary screen that various particle diameter different materials are sieved in power plant, coke-oven plant, building materials, metallurgy, chemical industry, mine and environmental protection field that is used for.
Background technology
In coal mining, in order the electric coal or the coking coal of high-quality to be provided for generating and coal chemical enterprise, must the gangue in the coal and other foreign material be picked out usually, the device of picking out gangue or foreign material generally uses screening plant.The ore that lime stone that provides for metallurgical operation or dolomite mineral also must be selected size fractionated according to demands of different; Also need from material, to select impurity at chemical industry and building material industry; Especially in the environmental protection field because the increase of population; House refuse and industrial refuse increase day by day, and composition is also unusual complicated, must house refuse or industrial refuse sieved and classify for the ease of handling also ...In order to solve this difficult problem; The technical staff developed the screening plant of different structure shape; Like ZL0121399.X " Elastic strip screen "; Be used for sieving the limestone mine or the dolomite mineral that contain different in moisture and different-grain diameter size, this " Elastic strip screen " is to be the mutual woven type structure of a kind of steel wire rope, can prolong the service life of screening plant; ZL201020106957.1 " anti-blocking grate bar slide sieve " has certain effect to the screening of iron ore ... The screening plant of all these metals or non-metallic material adopts steel wire rope or circle bar (like round steel) shape material to make basic framework basically; A common defect is that sizing is serious; Through one section service time orbital canal,posterior internal be blocked easily, and be difficult to cleaning, especially all the more so to wet feed.These screening plant specializations are stronger, and versatility is relatively poor, and range of application receives certain limitation.
Summary of the invention
The task that the present invention will solve provides a kind of applied widely, good sealing effect, can sieve the circular hole web plate rotary screen of various character materials and long service life.
For accomplishing above-mentioned task, the technical scheme that the present invention adopts is: described a kind of circular hole web plate rotary screen comprise base, preceding right drive pulley group and preceding left drive pulley group and the right drive pulley group in back and back left drive pulley group, preceding striker plate and back striker plate, the first guard shield crossbeam and the second guard shield crossbeam and the 3rd guard shield crossbeam and the 4th guard shield crossbeam, front wheel driving wheel hub and rear drive wheel hub, preceding access door and back access door, first shield stand and second shield stand, guard shield, guard shield lateral frame, outer crossbeam and middle cross beam and interior crossbeam, outer punching web plate and middle level punching web plate and internal layer punching web plate, in connecting plate and outer in connecting plate, rotary screen sieve nest, baffle plate, first travelling gear and second travelling gear, charging aperture, hold-down screw, gearbox, motor and discharging opening.Before right drive pulley group, preceding left drive pulley group, the left drive pulley group of right drive pulley group in back and back be connected in the upper surface of base; Top surface edge on base x wire both sides be symmetrically installed with quantity more than or equal to 1 preceding striker plate and quantity more than or equal to 1 back striker plate; The upper end of preceding striker plate is connected with the first guard shield crossbeam; The upper end of back striker plate is connected with the second guard shield crossbeam; Quantity links to each other with the first guard shield crossbeam more than or equal to 1 preceding access door, and quantity links to each other with the second guard shield crossbeam more than or equal to 1 back access door, and adjacent preceding access door has the 3rd guard shield crossbeam; Adjacent back access door has the 4th guard shield crossbeam, and its other end was connected with two of guard shield simultaneously mutually after an end of first shield stand and second shield stand linked to each other with the 3rd guard shield crossbeam, the 4th guard shield crossbeam respectively.The guard shield lateral frame is positioned at the middle position of guard shield upper end, and the rotary screen sieve nest is placed on the inner chamber of guard shield.The front wheel driving wheel hub is equipped with in the outside of the outer punching web plate front end in the rotary screen sieve nest; The rear drive wheel hub is equipped with in the outside of the outer punching web plate rear end in the rotary screen sieve nest; Be the surface contact between the same right drive pulley group of the periphery of front wheel driving wheel hub and the preceding left drive pulley group, form support relation; The rear drive wheel hub forms support relation with being the surface contact between the left drive pulley group of right drive pulley group in back and back.Said rotary screen sieve nest by outer punching web plate, middle level punching web plate, internal layer punching web plate, outer crossbeam, middle cross beam, interior crossbeam, in connecting plate and outer in connecting plate constitute.On outer punching web plate, middle level punching web plate and internal layer punching web plate, be processed with quantity and form web plate greater than 1 circular hole.Quantity is arranged more than or equal to 1 outer crossbeam on outer punching web plate; Quantity is arranged more than or equal to 1 middle cross beam on the middle level punching web plate; Quantity is arranged more than or equal to 1 interior crossbeam on the internal layer punching web plate; Between internal layer punching web plate and middle level punching web plate, be connected with quantity more than or equal to 1 in connecting plate, between middle level punching web plate and outer punching web plate, be connected with quantity more than or equal to 1 outer in connecting plate.
Side at the rear drive wheel hub is fixed with baffle plate; Its centre position is processed with charging aperture; First travelling gear that is positioned at charging aperture periphery has quantity to pass baffle plate more than or equal to 1 hold-down screw to link to each other with the rear drive wheel hub, near the front wheel driving wheel hub (three grades) discharging opening is housed in the outside of rotary screen sieve nest.
Near the right drive pulley group in back variable-speed motor is installed on base, variable-speed motor is by motor drives.Second travelling gear is installed on the output shaft of variable-speed motor, and second travelling gear and first travelling gear form meshing relation.
Right drive pulley group wherein, preceding left drive pulley group, the right drive pulley group in back are identical with the planform of the left drive pulley group in back, they by fixed mount, upper support pulley and lower support pulley, upper connecting base and lower connecting base, go up alignment pin and following alignment pin and go up fastening bolt and following fastening bolt formation.Fixed mount is connected on the base; Quantity is that 2 lower connecting base has (usefulness) quantity to be connected in fixed mount right-hand member limit more than or equal to 1 following fastening bolt; There is (usefulness) following alignment pin to be positioned at the lower support pulley in the centre position of lower connecting base; Quantity is that 2 upper connecting base has (usefulness) quantity to be connected in the left end limit of fixed mount more than or equal to 1 last fastening bolt, has last alignment pin to be positioned at the upper support pulley in the centre position of upper connecting base.
Adopt a kind of circular hole web plate rotary screen that as above technical scheme provides compared with prior art, technique effect is:
1. overcome screen cloth that vibratory sieve occurs when the moister material of screening sticking stifled, noise is big, maintenance difficulty and sift out problems such as material is smudgy, has improved output and reliability of products.
2. be fit to the stifled material that is prone in gangue, the gradually wet coke powder in the coke and lime stone or the dolomite in the screened coal.
3. extend to all kinds of materials in screening industrial refuse or the house refuse.
4. compact conformation is safe and reliable, can not cause secondary pollution to environment.
5. be 1～3 times of original screening plant service life.
Description of drawings
Fig. 1 is the forward structure sketch map of a kind of circular hole web plate rotary screen of the present invention, also is Figure of abstract of the present invention.
Fig. 2 is the profile sketch map of the driving entire body in the said circular hole web plate rotary screen.
Fig. 3 is the A-A line cross-sectional schematic along Fig. 1.
Fig. 4 launches sketch map for the punching web plate.
Fig. 5 is the package assembly sketch map of drive pulley group.
The specific embodiment
Do further to describe in detail below in conjunction with the accompanying drawing specific embodiments of the invention.
A kind of circular hole web plate rotary screen of the present invention comprises base 1; Before right drive pulley group 2 and preceding left drive pulley group 2a and back are right drives Slide Group 2b and the left drive pulley group 2c in back (the said left drive pulley group 2c in back does not mark in the accompanying drawings); Preceding striker plate 3 and back striker plate 3a; The first guard shield crossbeam 4 and the second guard shield crossbeam 4a and the 3rd guard shield crossbeam 7 and the 4th guard shield crossbeam 7a; Front wheel driving wheel hub 5 and rear drive wheel hub 5a; Preceding access door 6 and back access door 6a; First shield stand 8 and the second shield stand 8a; Guard shield 9; Guard shield lateral frame 10; Outer crossbeam 11; Middle cross beam 11a; Interior crossbeam 11b; Outer punching web plate 12; Middle level punching web plate 13; Internal layer punching web plate 15; In in connecting plate 14; Connecting plate 14a in outer; Rotary screen sieve nest 16; Baffle plate 16a; The first travelling gear 17a and the second travelling gear 18a; Hold-down screw 17b; Charging aperture 17; Discharging opening 20; Variable-speed motor 18; Motor 19; Last alignment pin 22 and the next bearing pin 27; Upper support pulley 23 and lower support pulley 26; Upper connecting base 24 and lower connecting base 28; Last fastening bolt 25 and following fastening bolt 29 and fixed mount 30.Wherein discharging opening 20 is three grades of discharging openings.
Upper surface (on four angles) at base 1 (as welding) right drive pulley group 2, preceding left drive pulley group 2a, the right drive pulley group 2b in back and the left drive pulley group 2c in back before having that be connected; The planform of right drive pulley group 2, preceding left drive pulley group 2a, the right drive pulley group 2b in back and the left drive pulley group 2c in back was identical before (like Fig. 5) was said; Just installation direction is different, and they are by fixed mount 30, upper support pulley 23 and lower support pulley 26, upper connecting base 24 and lower connecting base 28, last alignment pin 22 and following alignment pin 27 and go up fastening bolt 25 and following fastening bolt 29 formations.Fixed mount 30 is connected (welding or screw) on base 1; Quantity is that 2 lower connecting base 28 has quantity to be connected in the right-hand member limit of fixed mount 30 more than or equal to 1 following fastening bolt 29, has following alignment pin 27 lower support pulley 26 to be positioned at the centre position of lower connecting base 28; Quantity is that 2 upper connecting base 24 has quantity to be connected in the left end limit of fixed mount 30 more than or equal to 1 last fastening bolt 25, has last alignment pin 22 upper support pulley 23 to be positioned at the centre position of upper connecting base 24.
(like Fig. 1,3) top surface edge on the x wire both sides of base 1 is symmetrically installed with quantity more than or equal to 1 preceding striker plate 3 and back striker plate 3a; Be connected with the first guard shield crossbeam 4 in the upper end of preceding backgauge 3; The upper end of striker plate 3a is connected with the second guard shield crossbeam 4a in the back; And the first guard shield crossbeam, 4 upsides be equipped with quantity more than or equal to 1 before access door 6; Quantity is housed more than or equal to 1 back access door 6a in the second guard shield crossbeam 4a upside, adjacent before access door 6 the 3rd guard shield crossbeam 7 is arranged, adjacent back access door 6a has the 4th guard shield crossbeam 7a; The end of first shield stand 8 and the second shield stand 8a links to each other afterwards with the 3rd guard shield crossbeam 7, the 4th guard shield crossbeam 7a that two of the other end and guard shield 9 is connected respectively, and guard shield lateral frame 10 is positioned at the middle position of guard shield 9 upper ends.
(like Fig. 3) by outer punching web plate 12, middle level punching web plate 13, internal layer punching web plate 15, outer crossbeam 11, middle cross beam 11a, interior crossbeam 11b, in connecting plate 14 and outer in the rotary screen sieve nest 16 that constitutes of connecting plate 14a be placed on the inner chamber of guard shield 9.The outside that front wheel driving wheel hub 5 and outer punching web plate 12 rear ends in rotary screen sieve nest 16 are equipped with in the outside of (like Fig. 2) outer punching web plate 12 front ends in rotary screen sieve nest 16 is equipped with to form behind the rear drive wheel hub 5a and is driven entire body; Be surface contact between the same right drive pulley group 2 of the periphery of front wheel driving wheel hub 5 and the preceding left drive pulley group 2a to front wheel driving wheel hub 5 with play a supporting stabilization, rear drive wheel hub 5a is with for the surface contact rear drive wheel hub 5a being played the supporting stabilization between right drive pulley group 2b in back and the left drive pulley group 2c in back.On outer punching web plate 12, middle level punching web plate 13 and internal layer punching web plate 15, be processed with quantity and form web plate as shown in Figure 4 21 greater than 1 circular hole; Wherein the mesh diameter on the internal layer punching web plate 15 is greater than the mesh diameter on the middle level punching web plate 13, and the mesh diameter on the middle level punching web plate 13 is greater than the mesh diameter on the outer punching web plate 12.Quantity is arranged more than or equal to 1 outer crossbeam 11 on outer punching web plate 12; Quantity is arranged more than or equal to 1 middle cross beam 11a on the middle level punching web plate 13; Quantity is arranged more than or equal to 1 interior crossbeam 11b on the internal layer punching web plate 15, they can play fixation to each layer punching web plate.Between internal layer punching web plate 15 and middle level punching web plate 13, be connected with quantity more than or equal to 1 interior connecting plate 14; And between middle level punching web plate 13 and outer punching web plate 12, be connected with quantity more than or equal to 1 outer in connecting plate 14a, can form the integral body of structural integrity between so outer punching web plate 12, middle level punching web plate 13 and internal layer punching web plate 15 threes.
(like Fig. 1,2) is fixed with baffle plate 16a at the side of rear drive wheel hub 5a, is processed with charging aperture 17 (diameter of said charging aperture 17 can smaller or equal to the diameter of internal layer punching web plate 15) in the center of baffle plate 16a.The first travelling gear 17a that are positioned at charging aperture 17 periphery link to each other with rear drive wheel hub 5a behind baffle plate 16a more than or equal to 1 hold-down screw 17b with (having) quantity, and baffle plate 16 and rear drive wheel hub 5a are rotated synchronously.
Near the right drive pulley group 2b in back the variable-speed motor 18 that is driven by motor 19 is installed on base 1, the second travelling gear 18a is housed on the output shaft of variable-speed motor 18, the second travelling gear 18a and the first travelling gear 17a form meshing relation.Actuating motor 19 drives variable-speed motor 18 actions; The second travelling gear 18a on variable-speed motor 18 output shafts rotates and drives first travelling gear 17a rotation; Because the diameter of the first travelling gear 17a is greater than the diameter of the second travelling gear 18a; So the first driving cog 17a that slowly runs drives rear drive wheel hub 5a and rotates; (like Fig. 2) since quantity link to each other with rear drive wheel hub 5a and front wheel driving wheel hub 5 simultaneously more than or equal to two of 1 outer crossbeam 11, so the rotation of rear drive wheel hub 5a is rotated front wheel driving wheel hub 5 synchronously.Front wheel driving wheel hub 5 makes (like Fig. 2) drive the entire body rotation with the synchronous rotation of rear drive wheel hub 5a.Since front wheel driving wheel hub 5 before having right drive pulley group 2 and before the supporting of left drive pulley group 2a, rear drive wheel hub 5a has the supporting of right drive pulley group 2b in back and the left drive pulley group 2c in back, make drive entire body in rotation process steadily, safety.The material of various different-grain diameters is introduced into the cylindrical shell that is made up of inner layer net punched-plate 15 through charging aperture 17; The thick material through screening back (like gangue etc.) focuses on via simplified the seeing off through discharging opening 20 of internal layer punching web plate 15 formations; Cylindrical shell that thick material or thin material constitute via middle level punching web plate 13 and outer punching web plate 12 respectively or space are seen off to see off through the difference material mouth of discharging opening 20 and are collected, and have reached purpose of the present invention.
Claims (2)
1. circular hole web plate rotary screen; Comprise base (1), preceding right drive pulley group (2) and preceding left drive pulley group (2a) and back right drive pulley group (2b) and back left drive pulley group (2c), preceding striker plate (3) and back striker plate (3a), the first guard shield crossbeam (4) and the second guard shield crossbeam (4a) and the 3rd guard shield crossbeam (7) and the 4th guard shield crossbeam (7a), front wheel driving wheel hub (5) and rear drive wheel hub (5a), preceding access door (6) and after access door (6a), first shield stand (8) and second shield stand (8a), guard shield (9), guard shield lateral frame (10), outer crossbeam (11) and middle cross beam (11a) and interior crossbeam (11b), outer punching web plate (12) and middle level punching web plate (13) and internal layer punching web plate (15), in interior connecting plate (14) and middle connecting plate (14a), rotary screen sieve nest (16), baffle plate (16a), first travelling gear (17a) and second travelling gear (18a), charging aperture (17), hold-down screw (17b), gearbox (18), motor (19) and discharging opening (20) outward; It is characterized in that: preceding right drive pulley group (2), preceding left drive pulley group (2a), back right drive pulley group (2b) and the left drive pulley group in back (2c) are connected in the upper surface of base (1); Top surface edge on base (1) x wire both sides be symmetrically installed with quantity more than or equal to 1 preceding striker plate (3) and quantity more than or equal to 1 back striker plate (3a); The upper end of preceding striker plate (3) is connected with the first guard shield crossbeam (4); The upper end of back striker plate (3a) is connected with the second guard shield crossbeam (4a); Quantity links to each other with the first guard shield crossbeam (4) more than or equal to 1 preceding access door (6); Quantity links to each other with the second guard shield crossbeam (4a) more than or equal to 1 back access door (6a); Access door (6) has the 3rd guard shield crossbeam (7) before adjacent; Adjacent back access door (6a) has the 4th guard shield crossbeam (7a), and its other end was connected with two of guard shield (9) simultaneously mutually after an end of first shield stand (8) and second shield stand (8a) linked to each other with the 3rd guard shield crossbeam (7), the 4th guard shield crossbeam (7a) respectively; Guard shield lateral frame (10) is positioned at the middle position of guard shield (9) upper end, and rotary screen sieve nest (16) is placed on the inner chamber of guard shield (9); Front wheel driving wheel hub (5) is equipped with in the outside of outer punching web plate (12) front end in rotary screen sieve nest (16); Rear drive wheel hub (5a) is equipped with in the outside of outer punching web plate (12) rear end in the rotary screen sieve nest (16); Be the surface contact between the same right drive pulley group of the periphery of front wheel driving wheel hub (5) (2), the preceding left drive pulley group (2a), rear drive wheel hub (5a) is together the surface contact between back right drive pulley group (2b), the left drive pulley group in back (2c); Said rotary screen sieve nest (16) by outer punching web plate (12), middle level punching web plate (13), internal layer punching web plate (15), outer crossbeam (11), middle cross beam (11a), interior crossbeam (11b), in connecting plate (14) with outer in connecting plate (14a) constitute, on outer punching web plate (12), middle level punching web plate (13) and internal layer punching web plate (15), be processed with quantity greater than 1 circular hole formation web plate (21); Quantity is arranged more than or equal to 1 outer crossbeam (11) on outer punching web plate (12); Quantity is arranged more than or equal to 1 middle cross beam (11a) on the middle level punching web plate (13); Quantity is arranged more than or equal to 1 interior crossbeam (11b) on the internal layer punching web plate (15); Between internal layer punching web plate (15) and middle level punching web plate (13), be connected with quantity more than or equal to 1 in connecting plate (14), between middle level punching web plate (13) and outer punching web plate (12), be connected with quantity more than or equal to 1 outer in connecting plate (14a);
Side at rear drive wheel hub (5a) is fixed with baffle plate (16a); Be processed with charging aperture (17) in the center of baffle plate (16a); First travelling gear (17a) that is positioned at charging aperture (17) periphery has quantity to pass baffle plate (16a) more than or equal to 1 hold-down screw (17b) to link to each other with rear drive wheel hub (5a), in the outside of rotary screen sieve nest (16) discharging opening (20) is housed near front wheel driving wheel hub (5);
Near the right drive pulley group in back (2b) variable-speed motor (18) is installed on base (1), variable-speed motor (18) is driven by motor (19); Second travelling gear (18a) is installed on the output shaft of variable-speed motor (18), and second travelling gear (18a) forms meshing relation with first travelling gear (17a).
2. according to the described a kind of circular hole web plate rotary screen of claim; Before right drive pulley group (2), preceding left drive pulley group (2a), back right drive pulley group (2b) and the left drive pulley group in back (2c) by fixed mount (30), upper support pulley (23) and lower support pulley (26), upper connecting base (24) and lower connecting base (28), upward alignment pin (22) and following alignment pin (27) and upward fastening bolt (25) and following fastening bolt (29) formation; It is characterized in that: fixed mount (30) is connected on the base (1); Quantity is that 2 lower connecting base (28) has quantity to be connected in fixed mount (30) right-hand member limit more than or equal to 1 following fastening bolt (29), has following alignment pin (27) to be positioned at lower support pulley (26) in the centre position of lower connecting base (28); Quantity is that 2 upper connecting base (24) has quantity to be connected in the left end limit of fixed mount (30) more than or equal to 1 last fastening bolt (25), has last alignment pin (22) to be positioned at upper support pulley (23) in the centre position of upper connecting base (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104609547A CN102416377A (en) | 2011-12-31 | 2011-12-31 | Circular hole screen plate roller screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104609547A CN102416377A (en) | 2011-12-31 | 2011-12-31 | Circular hole screen plate roller screen |
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| Publication Number | Publication Date |
|---|---|
| CN102416377A true CN102416377A (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104609547A Pending CN102416377A (en) | 2011-12-31 | 2011-12-31 | Circular hole screen plate roller screen |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336729A (en) * | 2001-05-11 | 2002-11-26 | Ryuki Kogyo Kk | Rotary net drum type refuse sorter |
| KR20050035378A (en) * | 2003-10-13 | 2005-04-18 | 대금환경개발 주식회사 | A sorting drum of construction waste matter regenerating system |
| CN201524665U (en) * | 2009-10-30 | 2010-07-14 | 德尔福（上海）动力推进系统有限公司 | Fuel spray nozzle leaking filtering device |
| CN201799393U (en) * | 2010-06-30 | 2011-04-20 | 天津百利阳光环保设备有限公司 | Roller sieving machine for processing garbage |
| CN201855808U (en) * | 2010-11-10 | 2011-06-08 | 保定市华锐方正机械制造有限公司 | Large-size composite screening machine for decayed garbage |
| KR20110121854A (en) * | 2010-05-03 | 2011-11-09 | 경원 주식회사 | Trommel |
| CN202527353U (en) * | 2011-12-31 | 2012-11-14 | 湖南华南煤矿机械制造有限公司 | Rotary screen with circular-hole screen plate |
-
2011
- 2011-12-31 CN CN2011104609547A patent/CN102416377A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336729A (en) * | 2001-05-11 | 2002-11-26 | Ryuki Kogyo Kk | Rotary net drum type refuse sorter |
| KR20050035378A (en) * | 2003-10-13 | 2005-04-18 | 대금환경개발 주식회사 | A sorting drum of construction waste matter regenerating system |
| CN201524665U (en) * | 2009-10-30 | 2010-07-14 | 德尔福（上海）动力推进系统有限公司 | Fuel spray nozzle leaking filtering device |
| KR20110121854A (en) * | 2010-05-03 | 2011-11-09 | 경원 주식회사 | Trommel |
| CN201799393U (en) * | 2010-06-30 | 2011-04-20 | 天津百利阳光环保设备有限公司 | Roller sieving machine for processing garbage |
| CN201855808U (en) * | 2010-11-10 | 2011-06-08 | 保定市华锐方正机械制造有限公司 | Large-size composite screening machine for decayed garbage |
| CN202527353U (en) * | 2011-12-31 | 2012-11-14 | 湖南华南煤矿机械制造有限公司 | Rotary screen with circular-hole screen plate |
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Application publication date: 20120418 |
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