CN102671854B - Two-section drum screen for municipal domestic waste - Google Patents
Two-section drum screen for municipal domestic waste Download PDFInfo
- Publication number
- CN102671854B CN102671854B CN201210138663.0A CN201210138663A CN102671854B CN 102671854 B CN102671854 B CN 102671854B CN 201210138663 A CN201210138663 A CN 201210138663A CN 102671854 B CN102671854 B CN 102671854B
- Authority
- CN
- China
- Prior art keywords
- rotary screen
- drum screen
- tuck
- tuck chain
- chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/007—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls specially adapted for disintegrating refuse
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/02—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with perforated container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
Abstract
The invention discloses a two-section drum screen for municipal domestic waste. The two-section drum screen comprises a fixed stand, and a drum screen and a drum screen driving device which are arranged on the fixed stand, wherein the drum screen comprises a drum screen inlet section and a drum screen outlet section which are connected with each other; a feed port is formed at an inlet of the drum screen inlet section; an undersize collection device is arrange below the drum screen; a plurality of screen holes are formed in circumferential directions of the drum screen inlet section and the drum screen outlet section; a plurality of bag breaking knives are arranged on the circumferential inner wall of the drum screen inlet section; knife cleaning devices which are matched with the bag breaking knives are arranged in the drum screen inlet section; the peripheries of the drum screen inlet section and the drum screen outlet section are provided with hole cleaning devices for cleaning the screen holes; a plurality of strip-shaped object hanging devices are arranged on the circumferential inner wall of the drum screen outlet section; and three rows of hanging needle chains are arranged in the drum screen outlet section. According to the two-section drum screen, the functions of screening, bag breaking and strip-shaped object collection can be effectively achieved, and beneficial conditions are created for classification and recycling of the municipal domestic waste.
Description
Technical field
The invention belongs to technical field of resource comprehensive utilization, particularly relate to a kind of two-segment cylinder for domestic waste and sieve.
Background technology
Along with national economy is fast-developing, Municipal Domestic Garbage Output sharp increase.2010, the National urban house refuse amount of clearing reaches 1.5 hundred million tons, and the landfill of rubbish reaches more than 80 ten thousand mu with stacking land occupation, and the big and medium-sized cities in the whole nation 2/3 are absorbed in the encirclement of rubbish, the city of 1/4 has not had suitable dumping place, new soot addressing and build all difficulties.Estimate to the year two thousand twenty, the National urban house refuse amount of clearing will reach 2.5 hundred million tons, and garbage disposal problem is extremely urgent.
The garbage disposal of current China mainly adopts landfill method, burning method and composting process.Landfill yard very easily produces and is rich in CH
4landfill gas, set off an explosion, also can produce a large amount of percolate, wherein containing heavy metal, poisonous and hazardous organic chemical pollutant and a large amount of virus causing disease bacterium.Hypertoxicity carcinogen “ bioxin is very easily produced in Refuse Incineration Process ", be difficult to on-line monitoring and cumulative effect is serious, burning method faces great public's pressure, and the developed countries such as u.s.a. and japan are continued shut-down burning power plant.Composting process due to refuse classification not meticulous, plastics, iron, glass etc. remain in composting raw material and cause fertilizer clean, cause soil pollution.Landfill method, burning method and composting process all thoroughly cannot realize innoxious, resource and the minimizing of garbage disposal.
Domestic waste sorting and comprehensive utilization technique utilize mechanical means efficient separation to go out rubbish heterogeneity, for sub-electing to obtain the in addition different recycling mode of different material.Refuse classification and comprehensive utilization technique have effectively integrated sorting consumer waste technology and the garbage as resource such as burning, compost Land use systems, can realize garbage disposal minimizing thoroughly, resource and innoxious.
Refuse classification and the comprehensive utilization technique of China are started late, and instrument and supplies level is lower.In domestic garbage resource utilizes, the screening of rubbish is requisite technical process in processing procedure, and the equipment being applicable to house refuse screening adopts columnar rotary screen usually.Because the comparison of ingredients of China's house refuse is complicated, plastics, meal kitchen class rubbish are in the majority, and external household garbage sorting equipment can not adapt to the sorting of the domestic waste of China well, and the existing rotary screen subset of China has the following disadvantages:
(1) rotary screen can only play basic screening function, can not realize the function of broken bag;
(2) rotary screen does not carry out effective sorting to the plastics in domestic waste, and this brings difficulty just to component selections afterwards and recycling.
In view of above-mentioned factor constrains the recycling of China's house refuse, more therefore may be used for the equipment of China's sorting consumer waste also among continually developing.
Summary of the invention
The object of the invention is to solve the problem that existing rotary screen can only play screening function, provide a kind of novel structure, two-part multifunctional rolling shaft screen that treatment effeciency is high, achieve screening, broken bag, choose surplus and collect the functions such as bar.
To achieve these goals, the present invention is by the following technical solutions:
A kind of two-segment cylinder for domestic waste is sieved, and comprises fixed frame, is arranged on rotary screen on fixed frame and rotary screen drive unit; Rotary screen comprises interconnective rotary screen entrance and rotary screen outlet section; Material inlet is installed on the porch of rotary screen entrance, and the below of rotary screen is provided with siftage collecting device; Rotary screen entrance and rotary screen outlet section be circumferentially furnished with some sieve apertures, rotary screen entrance circumferential inner wall is provided with some broken bag cuttves, is provided with the clear knife system matched with described broken bag cutter in rotary screen entrance; The periphery of rotary screen entrance and rotary screen outlet section is provided with the hole cleaning device of cleaning sieve aperture; Rotary screen outlet section circumferential inner wall is provided with some bar and hangs device, is provided with the bar gathering-device of three row's tuck chain compositions in rotary screen outlet section.
Preferably, between rotary screen and horizontal direction, angle is 3 ° ~ 8 °.
Preferably, the shape of broken bag cutter is rectangular pyramid shape, and one lateral vertical is in broken bag cutter bottom surface.
Preferably, broken bag cutter is welded on steel plate, and steel plate adopts the mode embedded to be arranged on rotary screen entrance inwall circumferentially.
Preferably, clear knife system is fixed on disk, and its rotation direction is contrary with the rotation direction of broken bag cutter.
Preferably, three row's tuck chains comprise the first tuck chain, the second tuck chain and the 3rd tuck chain; First tuck chain, the second tuck chain and the 3rd tuck chain are equipped with some tucks; The spacing of the first tuck chain and the second tuck chain is 0.1D, and the spacing of the second tuck chain and the 3rd tuck chain is respectively 0.12D; First tuck chain and the second tuck chain are positioned at side, rotary screen center, and the 3rd tuck chain is positioned at rotary screen center opposite side; 3rd tuck chain departs from centre of the drum 0.07D; , tuck length is 0.25D, and wherein D is rotary screen diameter.
Relative to prior art, a kind of two-segment cylinder for domestic waste of the present invention is sieved, and its advantage is:
(1) a kind of two-segment cylinder for domestic waste of the present invention sieves the broken bag cutter that tradition is used alone and large bar hangs and gathering-device organically combines, achieve broken bag, hang and collect the function of bar, achieve sorting and the recovery of Plastic rubbish.
(2) shape of a kind of sieve of the two-segment cylinder for domestic waste broken bag cutter of the present invention is rectangular pyramid shape, and one lateral vertical, in broken bag cutter bottom surface, improves the broken bag efficiency of broken bag cutter.
(3) the bar gathering-device that a kind of two-segment cylinder for domestic waste of the present invention is sieved is arranged tuck chain by the first tuck chain, the second tuck chain and the 3rd tuck chain three and is formed, and every bar tuck chain is all provided with tuck.Due to parabolically shape when house refuse falls, by calculating, adopt three row's tuck chains, the spacing of the first tuck chain and the second tuck chain, the second tuck chain and the 3rd tuck chain is respectively 0.1D, 0.12D, first tuck chain and the second tuck chain are positioned at side, rotary screen center, and the 3rd tuck chain is positioned at rotary screen center opposite side; 3rd tuck chain departs from centre of the drum 0.07D, and tuck length is 0.25D, and wherein D is diameter of cylinder.Arrange by this, the collection efficiency of bar gathering-device is the highest, and economic impacts is best.
In sum, two-segment cylinder described in utilization sieve, can reach the function of screening, broken bag, collection bar effectively, for the classification of domestic waste and recycling create favourable condition.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Fig. 1 is two-segment cylinder sieve general structure schematic diagram.
Fig. 2 is the axial sectional view of two-segment cylinder sieve entrance.
Fig. 3 is the axial sectional view of two-segment cylinder sieve outlet section.
Fig. 4 is two-segment cylinder sieve broken bag knife structure schematic diagram.
Fig. 5 is the left view of Fig. 4.
In figure, 1, rotary screen entrance; 101, sieve aperture; 102, broken bag cutter; 103, clear knife system; 104, screwed hole; 105, steel plate; 2, material inlet; 3, house refuse; 4, rotary screen drive unit; 5, rotary screen outlet section; 501, bar hangs device; 502,503,504, tuck chain; 6, hole cleaning device; 7, siftage collecting device; 8, fixed frame.
Detailed description of the invention
Refer to shown in Fig. 1 to Fig. 5, a kind of two-segment cylinder for domestic waste of the present invention is sieved, and comprises fixed frame 8, is arranged on rotary screen on fixed frame 8 and rotary screen drive unit 4; Rotary screen comprises interconnective rotary screen entrance 1 and rotary screen outlet section 5; Material inlet 2 is installed on the porch of rotary screen entrance 1, and the below of rotary screen is provided with siftage collecting device 7; Rotary screen entrance 1 and rotary screen outlet section 5 be circumferentially furnished with some sieve apertures 101, rotary screen entrance 1 circumferential inner wall is provided with some broken bag cuttves 102, is provided with the clear knife system 103 matched with described broken bag cutter 102 in rotary screen entrance 1; The periphery of rotary screen entrance 1 and rotary screen outlet section 5 is provided with the hole cleaning device 6 of cleaning sieve aperture 101; Rotary screen outlet section 5 circumferential inner wall is provided with some bar and hangs device 501, is provided with the bar gathering-device that three row's tuck chains 502,503,504 form in rotary screen outlet section 5.Between rotary screen and horizontal direction, angle β is 3 ° ~ 8 °.Broken bag cutter 102 is welded on steel plate 105, adopts the mode embedded to be arranged on rotary screen entrance 1 inwall circumferentially, utilizes screw rod will be welded with steel plate 105 jack-up of broken bag cutter 102 through screwed hole 104 during dismounting, and dismantles from one end by steel plate 105 extraction.
House refuse is transported to the leading portion of the two-segment cylinder sieve reaching certain rotating speed through material conveyor.The house refuse entered in rotary screen is followed rotary screen and is rotated together.When house refuse rotation reach a certain height, house refuse is dished out with parabolical movement locus, falls back to the sieve end, repeats such process, makes house refuse in cylinder, reach the state of constantly rolling.In the process of continuous rolling, the material that particle diameter is less than sieve diameter will drop in the middle of the lower gathering-device of sieve through sieve aperture, and particle diameter is greater than the material then outlet discharge along barrel from screen drum lower end of sieve diameter, thus realizes the function of screening.House refuse is tossed drop at the bottom of rotary screen time, the broken bag cutter that screen drum leading portion is installed will be pricked in the material such as polybag, clothing, again by the extruding of unclassified stores, the effect such as to tear, the material such as polybag, clothing is scratched, thus realizes the function of broken bag, duds thing.Polybag after broken bag, clothing etc., the rotation along with rotary screen enters into the back segment of two-segment cylinder sieve.At the back segment barrel of rotary screen, bar is circumferentially installed and hangs device, at central appendix, bar is installed and collects gathering-device.Polybag after broken bag and clothing are in the middle of the process of rotating with rotary screen, and will be hung device by bar and provoke, landing after reaching a certain height, drops on bar gathering-device, be transported to outside cylinder, thus achieves the collecting function of broken bag and bar.In order to prevent sieve aperture from being blocked by the house refuse that water content is higher, at the outer wall of screen drum, sieve aperture cleaning plant is installed.Hole cleaning device coordinates with sieve aperture, and when sieve aperture forwards hole cleaning device to, hole cleaning device is cleared up sieve aperture, thus reality clear hole function.
The workflow of two-segment cylinder sieve of the present invention is as follows: first, and domestic waste enters the two-part multipurpose barrel sieve entrance 1 reaching certain rotating speed through material inlet 2.The domestic waste entering rotary screen entrance 1 is followed rotary screen and is rotated together, when house refuse rotation reach a certain height, house refuse is dished out with parabolical movement locus, falls back to the sieve end, repeat such process, make house refuse in cylinder, be in the state of constantly rolling.In the process of constantly rolling, particle diameter is less than the house refuse of sieve diameter through sieve aperture 101, drops in siftage collecting device 7, is collected and transports; The material that particle diameter is greater than sieve aperture 101 diameter is then discharged from rotary screen outlet section 5, thus the screening function of the material of real Different Diameter grain.House refuse is tossed drop at the bottom of rotary screen time, the broken bag cutter 102 that rotary screen entrance 1 inwall is circumferentially installed will be pricked in the material such as polybag, fabric, again by the extruding of unclassified stores, the effect such as to tear, the material such as polybag, clothing is scratched, thus realizes the function of broken bag, broken fabric.The shape of broken bag cutter 102 is rectangular pyramid shape, and one lateral vertical is in broken bag cutter bottom surface.Polybag after broken bag, fabric etc., the rotation along with rotary screen enters into rotary screen outlet section 5.At rotary screen outlet section 5 inwall, bar is circumferentially installed and hangs device 501, the bar be made up of also is installed in rotary screen outlet section 5 inside collects gathering-device tuck chain 502,503,504.Tuck chain comprises moving part and locking member; Moving part is provided with some tucks, locking member leads to moving part, and tuck carries bar and moves to vertically outside rotary screen outlet section.Polybag after broken bag and fabric are in the process of rotating with rotary screen, device 501 will be hung by bar to provoke, be slipped on bar gathering-device after reaching a certain height, because bar gathering-device is have the tuck limiting width, softer rectangular class material is therefore only had to hang on bar gathering-device.The plastics hung on bar gathering-device are transported to outside cylinder, thus achieve the collection conveying function of bar.In order to prevent broken bag cutter 102 to be wound around by Plastic material in the process of broken bag, at rotary screen inwall, the clear knife system 103 for clearing up broken bag cutter is installed.Clear knife system 103 is for being equipped with the disk of scraper.On clear knife system 103, two scrapers coordinate broken bag cutter 102 with one, and two scrapers lay respectively at the both sides of a broken bag cutter 102, and scraper is contrary with the rotation direction of broken bag cutter 102.When broken bag cutter 102 turns to the position of knife system 103 scraper clearly, the Plastic garbage-cleaning be wrapped on broken bag cutter just gets off by the scraper of broken bag cutter both sides, thus realizes clear cutter function.Blocked by the house refuse that water content is higher to prevent sieve aperture 101, be provided with sieve aperture cleaning plant 6 at the outer wall of screen drum, hole cleaning device 6 coordinates with sieve aperture, when sieve aperture turns to hole cleaning device 6, hole cleaning device 6 pairs of sieve apertures are cleared up, thus reality clear hole function; Hole cleaning device 6 can select hairbrush one class hole cleaning device.
Claims (4)
1. the two-segment cylinder for domestic waste is sieved, and comprises fixed frame, is arranged on rotary screen on fixed frame and rotary screen drive unit (4); Rotary screen comprises interconnective rotary screen entrance (1) and rotary screen outlet section (5); Material inlet (2) is installed on the porch of rotary screen entrance (1), and the below of rotary screen is provided with siftage collecting device (7); Rotary screen entrance (1) and rotary screen outlet section (5) be circumferentially furnished with some sieve apertures (101), rotary screen entrance (1) circumferential inner wall is provided with some broken bag cuttves (102); Rotary screen outlet section (5) circumferential inner wall is provided with some bar and hangs device (501), is provided with the bar gathering-device of tuck chain composition in rotary screen outlet section (5); It is characterized in that:
The clear knife system (103) matched with described broken bag cutter (102) is provided with in rotary screen entrance (1);
The periphery of rotary screen entrance (1) and rotary screen outlet section (5) is provided with the hole cleaning device (6) of cleaning sieve aperture (101);
Described tuck chain is three rows;
The shape of broken bag cutter (102) is rectangular pyramid shape, and one lateral vertical is in broken bag cutter bottom surface;
Broken bag cutter (102) is welded on steel plate (105), and steel plate (105) adopts the mode embedded to be arranged on rotary screen entrance (1) inwall circumferentially.
2. two-segment cylinder sieve according to claim 1, is characterized in that: between rotary screen and horizontal direction, angle is 3 ° ~ 8 °.
3. two-segment cylinder sieve according to claim 1, is characterized in that: clear knife system (103) is fixed on disk, and its rotation direction is contrary with the rotation direction of broken bag cutter (102).
4. two-segment cylinder sieve according to claim 1, is characterized in that: three row's tuck chains comprise the first tuck chain (504), the second tuck chain (503) and the 3rd tuck chain (502); First tuck chain (504), the second tuck chain (503) and the 3rd tuck chain (502) are equipped with some tucks; The spacing of the first tuck chain (504) and the second tuck chain (503) is 0.1D, and the spacing of the second tuck chain (503) and the 3rd tuck chain (502) is respectively 0.12D; First tuck chain (504) and the second tuck chain (503) are positioned at side, rotary screen center, and the 3rd tuck chain (502) is positioned at rotary screen center opposite side; 3rd tuck chain (502) departs from centre of the drum 0.07D; Tuck length is 0.25D, and wherein D is rotary screen diameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138663.0A CN102671854B (en) | 2012-05-07 | 2012-05-07 | Two-section drum screen for municipal domestic waste |
| PCT/CN2012/085416 WO2013166822A1 (en) | 2012-05-07 | 2012-11-28 | Two-sectional drum screen for municipal solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138663.0A CN102671854B (en) | 2012-05-07 | 2012-05-07 | Two-section drum screen for municipal domestic waste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102671854A CN102671854A (en) | 2012-09-19 |
| CN102671854B true CN102671854B (en) | 2014-12-24 |
Family
ID=46804786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210138663.0A Expired - Fee Related CN102671854B (en) | 2012-05-07 | 2012-05-07 | Two-section drum screen for municipal domestic waste |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102671854B (en) |
| WO (1) | WO2013166822A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102671854B (en) * | 2012-05-07 | 2014-12-24 | 四川川润环保能源科技有限公司 | Two-section drum screen for municipal domestic waste |
| CN103381404B (en) * | 2013-06-24 | 2016-08-24 | 南京万德斯环保科技有限公司 | Kitchen garbage breaking sorting unit |
| CN104858124B (en) * | 2015-05-06 | 2016-07-13 | 中联重科股份有限公司 | Twister extraction element and garbage collection system |
| CN105013691B (en) * | 2015-07-16 | 2016-08-24 | 宁德师范学院 | A kind of bagged articles separation equipment and method |
| CN106975594A (en) * | 2017-04-01 | 2017-07-25 | 山东德隆博德尔环保装备发展有限公司 | Drum broken bag sieves all-in-one |
| CN108636756A (en) * | 2018-04-11 | 2018-10-12 | 江苏天晟环境科技有限公司 | Device for finely screening stale household garbage and treatment method thereof |
| JP6384015B1 (en) * | 2018-05-25 | 2018-09-05 | 三菱重工環境・化学エンジニアリング株式会社 | Punching metal drum screen device |
| CN110076077A (en) * | 2019-04-18 | 2019-08-02 | 广州励美环保科技有限公司 | A kind of house refuse drum screen |
| CN110142124B (en) * | 2019-05-21 | 2020-12-22 | 北京高能时代环境技术股份有限公司 | Pretreatment process and device for sorting organic matters in kitchen waste |
| CN110202696A (en) * | 2019-06-27 | 2019-09-06 | 广西路桥工程集团有限公司 | A kind of fiber dispersal device |
| CN111151360B (en) * | 2020-01-16 | 2021-07-20 | 江西达人建材有限公司 | Screening and crushing device for ceramsite production |
| CN114849851B (en) * | 2022-03-15 | 2023-09-22 | 宁波可可磁业股份有限公司 | Dust-free crushing and screening device for neodymium iron boron waste |
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| GB2438076A (en) * | 2006-05-12 | 2007-11-14 | William Edmondson | Rotary screen drum |
| 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 |
| CN202087511U (en) * | 2011-04-07 | 2011-12-28 | 云南天远生态环保科技有限责任公司 | Rotary screen for breaking bags |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013166822A1 (en) | 2013-11-14 |
| CN102671854A (en) | 2012-09-19 |
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