CN103521451A - Automatic pig hair sorting purifying device - Google Patents
Automatic pig hair sorting purifying device Download PDFInfo
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- CN103521451A CN103521451A CN201310477865.2A CN201310477865A CN103521451A CN 103521451 A CN103521451 A CN 103521451A CN 201310477865 A CN201310477865 A CN 201310477865A CN 103521451 A CN103521451 A CN 103521451A
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- airduct
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- unhairing machine
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Abstract
The invention provides an automatic pig hair sorting purifying device. A hair loosing motor, a drier, a long hair beating machine, a short hair beating machine, a settling chamber and a bag-type dust collector are arranged on a hair loosening machine of the automatic pig hair sorting purifying device. The hair loosing machine is communicated with an air pipe through a fan. The setting chamber is communicated with the bag-type dust collector through a connecting air pipe. The bag-type dust collector is communicated with an 8th fan through a dust collector air pipe. An air exhaust pipe is arranged at an outlet of the 8th fan. A main air pipe is arranged at the top of the setting chamber and is respectively communicated with a first cyclone separator, a third fan, a second cyclone separator, a third cyclone separator, a fourth cyclone separator and a first output air pipe. The device not only can effectively separate pig hair from ash, but also can automatically sort out long pig hair, short pig hair and pig foot shells, realizes consecutive and clean production, plays a good role in recovering resources, eliminates pollution to the environment, and avoids harm to health of operation workers.
Description
Technical field
The present invention relates to mechanical field, specially refer to a boar hair automatic sorting purifier.
Background technology
Current domestic Zhu Mao processing enterprise, the dry main mode of drying that adopts of pig hair, sorting is mainly the mode of selecting by unhairing machine and people, after pig hair is dried, by unhairing machine by the lime-ash in material, the separation of pig's feet shell.The existing defect of this processing mode, is that production efficiency is low on the one hand, and labour intensity is large; Be on the other hand in the process of shining hair, hacking in workplace a large amount of dust, when workman's health is worked the mischief to environment.
Summary of the invention
The object of the present invention is to provide a kind of can be automatically, continuously by pig hairy dry, purify, sorting, the pig hair automatic sorting purifier simultaneously pig's feet shell residual in pig hair being reclaimed.
For achieving the above object, technical scheme of the present invention is:
One boar hair automatic sorting purifier, comprises cot opener, pine tag motor, No. 1 blower fan, No. 2 blower fans, No. 1 cyclone separator, dryer, No. 3 blower fans, dry motor, hot-blast stove, No. 4 blower fans, No. 2 cyclone separators, unhairing machine becomes mildewed, No. 3 cyclone separators, unhairing machine motor becomes mildewed, No. 5 blower fans, No. 4 cyclone separators, undercoat unhairing machine, undercoat unhairing machine motor, No. 6 blower fans, No. 7 blower fans, expansion chamber, sack cleaner and No. 8 blower fans, pine tag motor is housed on the cot opener of this device, No. 1 pig's feet shell exit of cot opener is equipped with cot opener airduct and is connected with No. 1 blower fan, the outlet of No. 1 blower fan is connected with No. 1 cyclone separator of installing on dryer with cot opener output airduct, No. 2 pig's feet shell exits on dryer are equipped with dryer airduct and are connected with No. 4 blower fans, the exit of No. 4 blower fans with dryer output airduct be arranged on No. 2 cyclone separators that become mildewed on unhairing machine and be connected, become mildewed the unhairing machine airduct being connected with No. 5 blower fans of becoming mildewed be housed on unhairing machine funnel in the become mildewed bottom of unhairing machine, the exit of No. 5 blower fans is connected with No. 4 cyclone separators that are contained on undercoat unhairing machine with the unhairing machine output airduct that becomes mildewed, No. 2 funnels of undercoat unhairing machine lower end are equipped with No. 2 airducts and are connected with No. 6 blower fans, the exit of No. 6 blower fans is contained in No. 2 output airducts No. 3 cyclone separators that become mildewed on unhairing machine and is connected, No. 1 funnel of undercoat unhairing machine lower end is equipped with No. 1 airduct and is connected with No. 7 blower fans, the exit of No. 7 blower fans is connected with air main with No. 1 output airduct, the bottom of expansion chamber has expansion chamber ash hole, expansion chamber is connected with sack cleaner with connecting airduct, the bottom of sack cleaner has deduster ash hole, sack cleaner is connected with No. 8 blower fans with deduster airduct, exhaust duct is equipped with in the exit of No. 8 blower fans, air main is equipped with at the top of expansion chamber, air main respectively with No. 1 cyclone separator, No. 3 blower fans, No. 2 cyclone separators, No. 3 cyclone separators, No. 4 cyclone separators and No. 1 output airduct are connected.
Charging aperture is equipped with on the top of described cot opener, sand-lime outlet is equipped with in one end of cot opener bottom, the other end is equipped with No. 1 pig's feet shell outlet, cot opener interior lower end is equipped with screw-conveyer-shaft, and auger is housed on screw-conveyer-shaft, and pine tag tooth axle is equipped with in the top of screw-conveyer-shaft, on pine tag tooth axle, pine tag tooth is housed, screw-conveyer-shaft is connected with pine tag motor with belt with pine tag tooth axle, between pine tag tooth and auger, screen cloth is housed, and No. 1 pig's feet shell exit is equipped with cot opener airduct and is connected with No. 1 blower fan.
The top of described dryer has dehumidifying mouthful, dehumidifying mouthful is connected with No. 3 blower fans with dryer exhaust column, the exit of No. 3 blower fans is connected with air main, one end, top of dryer is equipped with cyclone separator No. 1, the top of No. 1 cyclone separator is connected with air main, and be connected with No. 1 blower fan with cot opener output airduct, heating jacket is housed in dryer, heated roller and tiltedly behaviour's plate, one end of heated roller is connected with oven dry motor with belt, the other end is connected with No. 2 blower fans with warm-air pipe, the porch of No. 2 blower fans is connected with hot-blast stove with tracheae, tracheae is connected with dryer with muffler, No. 2 pig's feet shell exits of one end, dryer bottom are equipped with dryer airduct and are connected with No. 4 blower fans.
Long dozen hair tooth axle is housed in the described unhairing machine that becomes mildewed, on long dozen hair tooth axle, hacking tooth is housed, the machine screen cloth that becomes mildewed is equipped with in the bottom of hacking tooth, long dozen hair tooth axle belt is connected with the dynamo-electric machine that becomes mildewed, No. 2 cyclone separators and No. 3 cyclone separators are equipped with respectively in the become mildewed top of unhairing machine, the top of No. 2 cyclone separators and No. 3 cyclone separators is connected respectively at air main, No. 2 cyclone separator is connected with No. 4 blower fans with dryer output airduct, No. 3 cyclone separator is connected with No. 6 blower fans with No. 2 output airducts, the outlet of becoming mildewed is equipped with in the one end, unhairing machine bottom of becoming mildewed, the become mildewed bottom of the unhairing machine funnel that becomes mildewed of unhairing machine bottom is connected with No. 5 blower fans with the unhairing machine airduct that becomes mildewed.
Hand-to-hand fight in tights hair tooth axle is housed in described undercoat unhairing machine, on hand-to-hand fight in tights hair tooth axle, hand-to-hand fight in tights hair tooth is housed, hand-to-hand fight in tights hair tooth axle is connected with undercoat motor with belt, undercoat screen cloth is equipped with in the lower end of undercoat unhairing machine inside, cyclone separator is equipped with on undercoat unhairing machine top No. 4, No. 4 cyclone separator top is connected with air main with separator airduct, one side is connected with No. 5 blower fans with the unhairing machine output airduct that becomes mildewed, undercoat outlet is equipped with in one end, undercoat unhairing machine bottom, No. 1 funnel and No. 2 funnels are equipped with in undercoat unhairing machine bottom, No. 1 funnel lower end has ash-collecting port No. 1, No. 1 funnel is connected with No. 7 blower fans with No. 1 airduct, the lower end of No. 2 funnels has ash-collecting port No. 2, No. 2 funnel is connected with No. 6 blower fans with No. 2 airducts.
Good effect of the present invention is:
1, larger sand-lime and the pig's feet shell of part particle when cot opener is loosening of the pig hair in this device is separated, and the dust that particle is less and pig hair together enter the cyclone separator at dryer top, and the dust in pig hair is removed;
2, pig hair is brought to discharging opening when being dried in rotary oven, and the pig's feet shell residual at discharging opening is removed, thereby reaches the object that pig's feet shell is sorted out;
The pig fleece blower fan of 3, drying is delivered to the cyclone separator at the unhairing machine top of becoming mildewed, further the dust in pig hair is removed, the ash of undercoat and minute quantity is inhaled into the cyclone separator of undercoat unhairing machine in the unhairing machine that becomes mildewed by screen cloth, becoming mildewed of being trapped flowed out from the discharging opening that becomes mildewed, thereby reached the object that sorts out, purifies becoming mildewed;
4, the ash of undercoat and minute quantity is separated further in cyclone separator, fall into the undercoat of undercoat unhairing machine in the rotation current downflow of hacking tooth, another cyclone separator that undercoat slag is inhaled into by screen cloth the unhairing machine top of becoming mildewed reclaims separated again, a small amount of ash is inhaled into settling tank by screen cloth, short pig hair flows out from exit, thereby reaches the object that short pig hair is sorted out, purified;
5, this single unit system can not only be effectively separated with lime-ash by pig hair, and can automatically long pig hair, short pig hair, pig's feet shell be sorted out, can realize continuous, cleaner production, played good resource recovery effect, eliminate the pollution to environment simultaneously, avoid the harm to operator's health.
Accompanying drawing explanation
Fig. 1, pig hair automatic sorting purifier overall structure schematic diagram;
Fig. 2, cot opener structural representation;
Fig. 3, drying machine structure schematic diagram;
Fig. 4, unhairing machine structural representation becomes mildewed;
Fig. 5, undercoat unhairing machine structural representation.
The specific embodiment
Below in conjunction with accompanying drawing, 1-5 further illustrates the specific embodiment of the present invention.
Referring to Fig. 1 and Fig. 2, charging aperture 6 by material from cot opener 8 adds, start pine tag motor 9, under the drive of belt, screw-conveyer-shaft 3 and pine tag tooth axle 5 drive auger 2 and pine tag tooth 7 to rotate by contrary direction, pig hair is released under the rotation of pine tag tooth 7, and dust falls through screen cloth 4 simultaneously, under the drive of auger 2, from sand-lime outlet 1, discharges.Loosening pig hair rotates with pine tag tooth 7 with pig's feet shell remaining in pig hair, pig hair is sent in No. 1 cyclone separator 12 on dryer 13 through cot opener output airduct 10 by No. 1 blower fan 68 through cot opener airduct 69 again, and pig's feet shell exports 70 from No. 1 pig's feet shell and discharges.
Referring to Fig. 1 and Fig. 3, material to cot opener 8 carries out the flow separation of material and dust in No. 1 cyclone separator 12, pig hair and remaining granule pig's feet shell enter dryer 13 from the bottom of No. 1 cyclone separator 12, and dust enters expansion chamber 33 from air main 19, material enters after dryer 13, dry motor 17 and drive heating jacket 61, heated roller 62 rotates with together with oblique behaviour's plate 63 above installing, the hot blast that simultaneously hot-blast stove 65 produces by tracheae 66 through No. 2 blower fans 67, by warm-air pipe 11, enter in heated roller 62, now material is heated oven dry at the outer surface of heated roller 62, the moisture producing is by mouthful 14 drying machine exhaust columns 15 that dehumidify, in No. 3 blower fan 16 suction air mains 19, unnecessary gas cooled via return air pipe 64 is got back in tracheae 66 from heated roller 62, material brings to No. 2 pig's feet shells and exports 60 places under the drive of tiltedly grasping plate 63, residual pig's feet shell is discharged from No. 2 pig's feet shell outlets 60, pig hair by dryer airduct 59 through No. 4 blower fans 58, by dryer, exporting airduct 18 enters in No. 2 cyclone separators 20 that become mildewed on unhairing machine 21.
Referring to Fig. 1 and Fig. 4; the next pig hair to dryer 13 is in No. 2 cyclone separators 20; carry out again the flow separation of pig hair and particulate dirt, pig hair enters and becomes mildewed unhairing machine 21 from the bottom of No. 2 cyclone separators 20, and particulate dirt enters in expansion chamber 33 with air-flow through air main 19.The unhairing machine motor 57 that becomes mildewed drives by belt become mildewed hacking tooth axle 24 and 23 rotations of hacking tooth, pig hair is under the drive of hacking tooth 23, stir up and down same duration pig fleece and take the outlet 53 places discharge of becoming mildewed to, and leak down from the machine screen cloth 56 that becomes mildewed containing the short pig hair of a small amount of dust, by the unhairing machine airduct 54 that becomes mildewed, through No. 5 blower fans 52, by the unhairing machine airduct 26 that becomes mildewed, delivered in No. 4 cyclone separators 27 on undercoat unhairing machine 29.
Referring to Fig. 1 and Fig. 5; short pig hair to the unhairing machine 21 that becomes mildewed enters in No. 4 cyclone separators 27; carry out again the flow separation of pig hair and particulate dirt; short pig hair enters undercoat unhairing machine 27 from the bottom of No. 4 cyclone separators 27, and particulate dirt enters air main 19 through separator airduct 28 and finally enters in expansion chamber 33.The dynamo-electric machine 50 of undercoat drives hand-to-hand fight in tights hair tooth axle 31 and hand-to-hand fight in tights hair tooth 30 to rotate by belt; short pig hair stirs up and down under the drive of hand-to-hand fight in tights hair tooth 30; pig hair slag containing a small amount of dust drains to No. 2 funnels 47 from the front portion of undercoat screen cloth 46; pig hair slag by No. 2 airducts 49 through No. 6 blower fans 51; by No. 2 output airducts 25, send into and in No. 3 cyclone separators 22, again carry out extraction and application; and particulate dirt enters in expansion chamber 33 through air main 19, a small amount of large grain dust can be discharged from No. 2 ash-collecting ports 48.Remain short pig hair continues to move to undercoat and exports 32 places and discharge under hand-to-hand fight in tights hair tooth 30 drives; and dust bleeds in No. 1 funnel 44 through the rear portion of undercoat screen cloth 46; trace dust by No. 1 airduct 43 through No. 7 blower fans 42; by No. 1 output airduct 41, through air main 19, enter in expansion chamber 33, a small amount of large grain dust can be discharged from No. 1 ash-collecting port 45.Dust in expansion chamber 33 is discharged from expansion chamber ash hole 40, and particulate dirt is entered in sack cleaner 35 by continuous airduct 34, and its dust is discharged from deduster ash hole 39, and gas, is discharged by exhaust duct 36 through No. 8 blower fans 37 by deduster airduct 38.
The above is only non-limiting embodiment of the present invention; for the person of ordinary skill of the art; not departing from the invention design and not making under the prerequisite of creative work, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. a boar hair automatic sorting purifier, comprise cot opener (8), pine tag motor (9), No. 1 blower fan (68), No. 2 blower fans (67), No. 1 cyclone separator (12), dryer (13), No. 3 blower fans (16), dry motor (17), hot-blast stove (65), No. 4 blower fans (58), No. 2 cyclone separators (20), unhairing machine (21) becomes mildewed, No. 3 cyclone separators (22), unhairing machine motor (57) becomes mildewed, No. 5 blower fans (52), No. 4 cyclone separators (27), undercoat unhairing machine (29), undercoat unhairing machine motor (50), No. 6 blower fans (51), No. 7 blower fans (42), expansion chamber (33), sack cleaner (35) and No. 8 blower fans (37), it is characterized in that: pine tag motor (9) is housed on cot opener (8), in No. 1 pig's feet shell outlet (70) of cot opener (8), cot opener airduct (69) being housed is connected with No. 1 blower fan (68), the outlet of No. 1 blower fan (68) is exported airduct (10) with cot opener and is connected with upper No. 1 cyclone separator (12) of installing of dryer (13), No. 2 pig's feet shell outlets (60) on dryer (13) are located to be equipped with dryer airduct (59) and are connected with No. 4 blower fans (58), the exit of No. 4 blower fans (58) is exported airduct (18) with dryer and is connected with No. 2 cyclone separators (20) that are arranged on the unhairing machine that becomes mildewed (21), become mildewed the unhairing machine airduct (54) being connected with No. 5 blower fans (52) of becoming mildewed be housed on unhairing machine funnel (55) in the become mildewed bottom of unhairing machine (21), the exit of No. 5 blower fans (52) is connected with No. 4 cyclone separators (27) that are contained on undercoat unhairing machine (29) with the unhairing machine output airduct (26) that becomes mildewed, No. 2 funnels (47) of undercoat unhairing machine (29) lower end are equipped with No. 2 airducts (49) and are connected with No. 6 blower fans (51), the exit of No. 6 blower fans (51) is connected with No. 3 cyclone separators (22) that are contained on the unhairing machine that becomes mildewed (21) with No. 2 output airducts (25), No. 1 funnel (44) of undercoat unhairing machine (29) lower end is equipped with No. 1 airduct (43) and is connected with No. 7 blower fans (42), the exit of No. 7 blower fans (42) is connected with air main (19) with No. 1 output airduct (41), the bottom of expansion chamber (33) has expansion chamber ash hole (40), expansion chamber (33) is connected with sack cleaner (35) with connecting airduct (34), the bottom of sack cleaner (35) has deduster ash hole (39), sack cleaner (35) is connected with No. 8 blower fans (37) with deduster airduct (38), exhaust duct (36) is equipped with in the exit of No. 8 blower fans (37), air main (19) is equipped with at the top of expansion chamber (33), air main (19) respectively with No. 1 cyclone separator (12), No. 3 blower fans (16), No. 2 cyclone separators (20), No. 3 cyclone separators (22), No. 4 cyclone separators (27) and No. 1 output airduct (41) are connected.
2. pig hair automatic sorting purifier as claimed in claim 1, it is characterized in that: charging aperture (6) is equipped with on the top of described cot opener (8), sand-lime outlet (1) is equipped with in one end of cot opener (8) bottom, the other end is equipped with No. 1 pig's feet shell outlet (70), cot opener (8) interior lower end is equipped with screw-conveyer-shaft (3), auger (2) is housed on screw-conveyer-shaft (3), pine tag tooth axle (5) is equipped with in the top of screw-conveyer-shaft (3), pine tag tooth (7) is housed on pine tag tooth axle (5), screw-conveyer-shaft (3) is connected with pine tag motor (9) with belt with pine tag tooth axle (5), between pine tag tooth (7) and auger (2), screen cloth (4) is housed, No. 1 pig's feet shell outlet (70) is located to be equipped with cot opener airduct (69) and is connected with No. 1 blower fan (68).
3. pig hair automatic sorting purifier as claimed in claim 1, it is characterized in that: the top of described dryer (13) has dehumidifying mouthful (14), dehumidifying mouthful (14) is connected with No. 3 blower fans (16) with dryer exhaust column (15), the exit of No. 3 blower fans (16) is connected with air main (19), No. 1 cyclone separator (12) is equipped with in one end, top of dryer (13), the top of No. 1 cyclone separator (12) is connected with air main (19), and with cot opener, export airduct (10) and be connected with No. 1 blower fan (68), heating jacket (61) is housed in dryer (13), heated roller (62) and tiltedly behaviour's plate (63), one end of heated roller (62) is connected with oven dry motor (17) with belt, warm-air pipe for the other end (11) is connected with No. 2 blower fans (67), the tracheae for porch (66) of No. 2 blower fans (67) is connected with hot-blast stove (65), tracheae (66) is connected with dryer (13) with muffler (64), No. 2 pig's feet shell outlets (60) of one end, dryer (13) bottom are located to be equipped with dryer airduct (59) and are connected with No. 4 blower fans (58).
4. pig hair automatic sorting purifier as claimed in claim 1, it is characterized in that: described in become mildewed in unhairing machine (21) long dozen hair tooth axle (24) be housed, hacking tooth (23) is housed on long dozen hair tooth axle (24), the machine screen cloth (56) that becomes mildewed is equipped with in the bottom of hacking tooth (23), long dozen hair tooth axle (24) belt is connected with the dynamo-electric machine (57) that becomes mildewed, No. 2 cyclone separators (20) and No. 3 cyclone separators (22) are equipped with respectively in the become mildewed top of unhairing machine (21), the top of No. 2 cyclone separators (20) and No. 3 cyclone separators (22) is connected respectively at air main (19), No. 2 cyclone separators (20) are exported airduct (18) with dryer and are connected with No. 4 blower fans (58), No. 3 cyclone separators (22) are connected with No. 6 blower fans (51) with No. 2 output airducts (25), the outlet (53) of becoming mildewed is equipped with in unhairing machine (21) one end, bottom of becoming mildewed, the become mildewed bottom of the unhairing machine funnel (55) that becomes mildewed of unhairing machine (21) bottom is connected with No. 5 blower fans (52) with the unhairing machine airduct (54) that becomes mildewed.
5. pig hair automatic sorting purifier as claimed in claim 1, it is characterized in that: hand-to-hand fight in tights hair tooth axle (31) is housed in described undercoat unhairing machine (29), hand-to-hand fight in tights hair tooth (30) is housed on hand-to-hand fight in tights hair tooth axle (31), hand-to-hand fight in tights hair tooth axle (31) is connected with undercoat motor (50) with belt, undercoat screen cloth (46) is equipped with in the inner lower end of undercoat unhairing machine (29), No. 4 cyclone separators (27) are equipped with on undercoat unhairing machine (29) top, No. 4 cyclone separators (27) for top separator airduct (28) be connected with air main (19), one side is connected with No. 5 blower fans (52) with the unhairing machine output airduct (24) that becomes mildewed, undercoat outlet (32) is equipped with in undercoat unhairing machine (29) one end, bottom, No. 1 funnel (44) and No. 2 funnels (47) are equipped with in undercoat unhairing machine (29) bottom, No. 1 funnel (44) lower end has No. 1 ash-collecting port (45), No. 1 funnel (44) is connected with No. 7 blower fans (42) with No. 1 airduct (43), the lower end of No. 2 funnels (47) has No. 2 ash-collecting ports (48), No. 2 funnels (47) are connected with No. 6 blower fans (51) with No. 2 airducts (49).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477865.2A CN103521451B (en) | 2013-10-14 | 2013-10-14 | One boar hair automatic sorting purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477865.2A CN103521451B (en) | 2013-10-14 | 2013-10-14 | One boar hair automatic sorting purifier |
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| CN103521451A true CN103521451A (en) | 2014-01-22 |
| CN103521451B CN103521451B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310477865.2A Active CN103521451B (en) | 2013-10-14 | 2013-10-14 | One boar hair automatic sorting purifier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106269465A (en) * | 2016-10-27 | 2017-01-04 | 安徽徽名山农业股份有限公司 | A kind of removable bleed type Pilus Sus domestica screening plant |
| CN106378308A (en) * | 2016-08-29 | 2017-02-08 | 芜湖银星汽车零部件有限公司 | Screening device |
| CN106513305A (en) * | 2016-10-27 | 2017-03-22 | 安徽徽名山农业股份有限公司 | Vertical reciprocating reverse-vibrating type hog bristle screening machine |
| CN113231309A (en) * | 2021-04-08 | 2021-08-10 | 谢旺 | Goose feather device capable of being classified and collected according to weight |
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| CN202224365U (en) * | 2011-07-12 | 2012-05-23 | 曹庆林 | Bristle length classifying machine |
| CN103411400A (en) * | 2013-08-20 | 2013-11-27 | 顾璐璐 | Organic fertilizer drying equipment adopting spiral delivery |
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| US4338337A (en) * | 1980-03-24 | 1982-07-06 | Frankl Gerald P | Method for recovering and recycling animal waste materials |
| CN1424947A (en) * | 2000-02-21 | 2003-06-18 | 克利斯蒂安·蒙雅雷 | Screening method for size sorting of feathers, down, wood needles, or the like maintained in suspension in fluid |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106378308A (en) * | 2016-08-29 | 2017-02-08 | 芜湖银星汽车零部件有限公司 | Screening device |
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| CN106513305A (en) * | 2016-10-27 | 2017-03-22 | 安徽徽名山农业股份有限公司 | Vertical reciprocating reverse-vibrating type hog bristle screening machine |
| CN113231309A (en) * | 2021-04-08 | 2021-08-10 | 谢旺 | Goose feather device capable of being classified and collected according to weight |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103521451B (en) | 2015-08-19 |
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