CN108607698B - Dirt cleaning mechanism of down dehydrator and use method - Google Patents
Dirt cleaning mechanism of down dehydrator and use method Download PDFInfo
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- CN108607698B CN108607698B CN201810526898.4A CN201810526898A CN108607698B CN 108607698 B CN108607698 B CN 108607698B CN 201810526898 A CN201810526898 A CN 201810526898A CN 108607698 B CN108607698 B CN 108607698B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/06—Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
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Abstract
The invention provides a dirt cleaning mechanism of a down dehydrator, which comprises a sewer pipe, wherein an upper filter screen, a blade and a lower filter screen are sequentially arranged in the sewer pipe from top to bottom; a rotating shaft is coaxially and vertically arranged in the sewer pipe, a paddle is arranged at the upper end of the rotating shaft, a gear is arranged at the lower end of the rotating shaft, and the gear is driven to rotate by a rack plate which is transversely arranged; the rotating shaft drives the blade and the upper filter screen to generate relative rotation; slag holes and pushing plates are respectively arranged on two opposite side walls of the sewer pipe between the upper filter screen and the lower filter screen, and the pushing plates are in sliding connection with the side walls of the sewer pipe. According to the invention, the use method of the cleaning mechanism is also provided, the upper filter screen and the blades are driven by the rotating shaft to rotate relatively so as to cut the feathers in the sewage into fine feathers to be trapped between the upper filter screen and the lower filter screen, and the feathers are crushed by the push plate and discharged from the slag hole, so that the effect of cleaning the feathers is achieved, the blockage of the water outlet can be effectively prevented, and the feathers can be prevented from entering the municipal drainage pipeline along with the sewage to cause secondary pollution.
Description
Technical Field
The invention relates to the field of machinery, in particular to a dirt cleaning mechanism of a down dehydrator and a using method thereof.
Background
In the process of manufacturing down feather, firstly, the down feather of animals is cleaned, and then is dehydrated, dried and other procedures are carried out, however, the dehydration procedure mainly comprises that the down feather in the cleaning equipment directly flows into a dehydrator along a pipeline, then the dehydrator is dehydrated, and the dehydrated down feather is further bagged by manpower and then is poured into a dryer.
The Chinese patent number 200720036587.7 discloses a structure of a dehydrator, which comprises a base, wherein a shell is arranged on the base, the shell is cylindrical, and a cylinder cover is arranged at the upper end of the shell. The center of the bottom of the shell is provided with a shaft hole, a bearing seat is arranged in the shaft hole, and a main shaft and a bearing are arranged in the bearing seat. The upper and lower ends of the bearing seat are respectively provided with an upper cover and a lower cover, the upper and lower covers are respectively provided with a central hole, and the upper and lower ends of the main shaft respectively extend out of the upper and lower covers through the central holes. One side of the base is provided with a motor, the end part of an output shaft of the motor and the lower end of the main shaft are respectively provided with a driving wheel and a driven wheel, and a driving belt is arranged between the driving wheel and the driven wheel. The shell is internally provided with a rotating cage which is also cylindrical, through holes are uniformly distributed on the rotating cage, the upper end of the rotating cage is open, the bottom center of the rotating cage is fixedly connected with the upper end of the main shaft, and spaces are reserved between the periphery and the lower end of the rotating cage and the shell, and between the upper end of the rotating cage and the cylinder cover. By adopting the dehydrator, the dehydration efficiency can be improved, the labor intensity is reduced, but the defect is that the dehydrated feathers are conveyed into the dryer by manpower, so that more labor force cannot be liberated fundamentally.
Later in chinese patent CN201510450757.5 a new dehydrator is disclosed, which can dehydrate down more efficiently, however, in this scheme and in the current down dehydrating apparatus, when the down in the dehydrating drum is dehydrated, the broken down will be drilled out from the gap of the dehydrating drum, and when the dehydrator drains, the water outlet will be blocked by the down, and the water outlet of the down dehydrating apparatus needs to be improved.
Disclosure of Invention
The invention aims to provide a sewage cleaning mechanism of a down dehydrator and a use method thereof, which can effectively solve the problem of blocking a sewer pipeline when sewage of the dehydrator is discharged.
In order to achieve the purpose, the invention provides a sewage pipe, wherein an upper filter screen, a blade and a lower filter screen are sequentially arranged in the sewage pipe from top to bottom; a rotating shaft is coaxially and vertically arranged in the sewer pipe, a paddle is arranged at the upper end of the rotating shaft, a gear is arranged at the lower end of the rotating shaft, and the gear is driven to rotate by a rack plate which is transversely arranged; the rotating shaft drives the upper filter screen to enable the upper filter screen to rotate relative to the blade; slag outlets and pushing plates are respectively arranged on two opposite side walls of the sewer pipe between the upper filter screen and the lower filter screen, and the pushing plates are in sliding connection with the side walls of the sewer pipe.
Preferably, in the dirt cleaning mechanism of the down dehydrator, one end of the rack plate, which is close to the gear, is provided with a smooth area, and when the gear is positioned in the smooth area, the gear is not contacted with the rack plate; when the gear is in the non-smooth area, the gear is meshed with the rack plate.
Preferably, in the dirt cleaning mechanism of the down dehydrator, the upper filter screen is fixedly connected with the rotating shaft and is rotationally connected with the inner wall of the sewer pipe, and the blades are fixedly arranged between the inner walls of the sewer pipe.
Preferably, in the dirt cleaning mechanism of the down dehydrator, a groove corresponding to the blade is formed in the push plate.
Preferably, in the dirt cleaning mechanism of the down dehydrator, the tail ends of the rack plate and the push plate are respectively provided with a pushing device or are commonly connected with a pushing device.
Preferably, in the dirt cleaning mechanism of the down dehydrator, the tail ends of the rack plate and the push plate are connected to the same push handle, a baffle plate is arranged on the rack plate, and a spring is arranged between the baffle plate and the sewer pipe.
The invention also provides a method for using the cleaning mechanism of the down dehydrator, which adopts any one of the above cleaning mechanisms of the down dehydrator and comprises the following steps:
step one: installing a sewer pipe of the sewage disposal mechanism at a water outlet of the dehydrator;
step two: after dehydration is finished, sewage is discharged from a water outlet, when the sewage flows downwards through a sewer pipe, a flushing paddle drives a rotating shaft to rotate, and the rotating shaft drives a blade to rotate relative to an upper filter screen, so that the blade cuts larger feathers clamped on meshes of the upper filter screen, and the cut larger feathers flow between the upper filter screen and the lower filter screen along with tiny feathers in the sewage;
step three: when the blade drives the rotating shaft under the action of water flow to enable the relative rotation generated between the blade and the upper filter screen to be insufficient for cutting up the feathers with the hard ribs clamped on the upper filter screen, the rack plate is driven to reciprocate manually or automatically, the driving gear rotates to drive the rotating shaft to rotate, the blade and the upper filter screen are driven to generate relative rotation, and the blade cuts the feathers with the hard ribs clamped on the meshes of the upper filter screen and enables the feathers to flow into the space between the upper filter screen and the lower filter screen;
step four: the pushing plate is pushed to move in the sewer pipe manually or automatically, and the feathers accumulated in the pipe cavity of the sewer pipe between the upper filter screen and the lower filter screen are discharged out of the sewer pipe through the slag hole.
Compared with the prior art, the invention has the beneficial effects that: an upper filter plate and a lower filter plate are arranged in a sewer pipe of a water outlet of the dehydrator to form a net bag for intercepting residual feather sundries in sewage, a rotating shaft is coaxially arranged in the sewer pipe, and the rotating shaft adopts a paddle or rack plate dual-drive rotating mode to drive an upper filter screen and a blade piece to rotate relatively, so that the blade can cut and crush the feather clamped on the upper filter screen; simultaneously set up the push pedal, be convenient for clear up the feather that the lumen was gathered, reach the garrulous effect of clearance feather, can prevent effectively that the delivery port from blockking up, can prevent simultaneously that the feather from getting into municipal drainage pipeline along with sewage, cause secondary pollution.
Drawings
FIG. 1 is a cross-sectional view of a front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the present invention at A;
FIG. 3 is a schematic view of the downcomer according to the present invention;
FIG. 4 is a top view showing the distribution of the internal structure of the downcomer according to the present invention.
In the figure: the dewatering machine comprises a dewatering machine body 1, a fixing frame 2, a driving shaft 3, a dewatering cylinder 4, a feeding pipe 5, a suction pipe 6, a sewer pipe 7, a lower filter screen 8, a slag hole 9, a rotating shaft 10, an upper filter screen 11, a blade 12, a push plate 13, a push rod 14, a push handle 15, a rack plate 16, a baffle 17, a spring 18, a gear 19, a blade 20 and a groove 21.
Detailed Description
The dirt cleaning mechanism and method of use of the present invention of a down extractor will now be described in greater detail with reference to the drawings, in which preferred embodiments of the present invention are shown, it being understood that one skilled in the art may modify the invention as described herein while still achieving the advantageous effects of the invention. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the invention.
As shown in fig. 1, the dehydrator body 1 is fixed by a fixing frame 2, the dehydrator body 1 further comprises a driving motor and a speed reducer, the driving motor and the speed reducer are in transmission connection with a belt pulley on a driving shaft 3 through a transmission belt, and are used for driving the driving shaft 3 to rotate (not shown in the figure), so that the dehydration barrel 4 rotates to dehydrate the feather in the interior, a feeding pipe 5 is connected with a cleaning machine through a pipeline, after the feather is required to be dehydrated, a discharging port is opened by the cleaning machine, the feather flows into the dehydration barrel 4, and after the feather is dehydrated, the feather is sucked out by a suction fan connected by a discharging port 6, so that the effect of automatic processing is achieved, and the labor cost is reduced.
As shown in fig. 2, a water outlet is arranged at the bottom of the dehydrator body 1, and a sewage cleaning mechanism for avoiding sewer blockage is arranged in the water outlet. The trash cleaning mechanism mainly comprises a filtering unit, a cutting unit and a deslagging unit. The filtering unit is arranged in a sewer pipe 7 connected with the water outlet; the cutting unit comprises a blade 12 arranged in the filtering unit, the feather clamped on the meshes of the filtering unit can be cut and crushed, and the deslagging unit is used for cleaning the broken feather trapped in the filtering unit out of the sewer pipe.
As shown in fig. 2, an upper filter screen 11, a blade 12 and a lower filter screen 8 are arranged in the sewer pipe 7 from top to bottom. The rotation shaft 10 is coaxially and vertically arranged in the sewer pipe 7, the upper end of the rotation shaft 10 is provided with a paddle 20, the lower end of the rotation shaft is provided with a gear 19, and the gear 19 is driven to rotate by a rack plate 16 which is transversely arranged. As shown in fig. 3, the end of the rack plate 16 near the gear 19 is provided with a smooth area, when the gear 19 is positioned in the smooth area, the gear 19 is not contacted with the rack plate 16, namely, when the rack plate 16 is not pushed, no cooperation is formed between the rack plate 16 and the gear 19, so that the rotation shaft 10 is not influenced to rotate by the water flow flushing paddle 20; when the gear 19 is in the non-smooth region, the gear 19 is engaged with the rack plate 16. The rotating shaft 10 can be driven by the blade 20 or the gear 19 to drive the blade 12 and the upper filter screen 11 to rotate relatively. In the invention, the upper filter screen 11 and the blade 12 are driven to rotate relatively through the rotating shaft 10 so as to cut the feathers in the sewage into small feathers, the small feathers are trapped between the upper filter screen 11 and the lower filter screen 8, and the broken feathers are discharged from the slag hole 9 through the push plate 13, thereby achieving the effect of cleaning the broken feathers and effectively preventing the water outlet from being blocked.
The upper filter screen 11 is fixedly connected with the rotating shaft 10 and is rotationally connected with the inner wall of the sewer pipe 7, the upper filter screen 11 is rotationally connected with the inner wall of the sewer pipe 7 through a rolling bearing, and the blades 12 are fixedly arranged between the inner walls of the sewer pipe 7. When the rotating shaft 10 rotates, the upper filter screen 11 rotates along with the rotating shaft 10 and generates relative cutting rotation with the blade 12 which is static in the sewer pipe 7, so that the feather trash blocked in the meshes of the upper filter screen 11 is cut and crushed, and the feather trash can flow down from the upper filter screen 11.
When the dehydrator is used, sewage removed by the dehydrator body 1 flows out from the water outlet of the dehydrator body, water with the broken feathers flows through the lower water pipe 7, the fine broken feathers flow down from the meshes of the upper water pipe 11 directly, the larger broken feathers are blocked in the meshes, and the water flow acts on the blades 20 to enable the rotating shaft 10 to rotate, so that the upper water pipe 10 and the blades 12 relatively rotate, the broken feathers blocked in the meshes are cut at the blades 12, and the blocked broken feathers can fall down; the rotating shaft 10 is rotationally connected with the lower filter screen 8, and the lower filter screen 8 is fixedly connected with the inner wall of the lower water pipe 7.
When the broken feathers clamped in the meshes are provided with harder ribs, the rotating shaft cannot be driven to rotate for cutting through water flow, namely, when the power provided by the water flow is insufficient, the manual (such as manual pushing) or automatic (such as pushing devices which are used for connecting the tail ends of the rack plates 16 with air cylinders, hydraulic cylinders and the like and can realize the linear reciprocating motion of the rack plates 16) mode can enable the rack plates 16 to reciprocate, the gears 19 are driven to rotate through meshing relationship, so that the rotating shaft 10 fixed at the top of the gears is driven to rotate, the rotating speed of the rotating shaft 10 can be changed through changing the moving frequency of the rack plates 16, the rotating shaft 16 can drive the blades 12 and the upper filter screen 11 to generate higher relative rotation, and then a larger cutting rate is obtained, so that the feathers with hard ribs are cut.
As shown in fig. 2, the slag hole 9 and the pushing plate 13 are symmetrically arranged on two opposite side walls of the sewer pipe 7 between the upper filter screen 11 and the lower filter screen 8, and the pushing plate 13 is in sliding connection with the side wall of the sewer pipe 7. The trailing ends of the pusher plate 13 and rack plate 16 are each provided with or commonly connected to a pushing device, such as a push handle, a pneumatic cylinder, a hydraulic cylinder, or the like. In this embodiment, as shown in fig. 2 and 4, the pushing plate 13 is provided with grooves 21 corresponding to the blades 12 and the rotating shaft 10, so that the pushing plate 13 can freely go in and out of the sewer pipe 7. As a preferred embodiment, the rack plate 16 and the tail end of the push plate 13 are connected to the same push handle 15, and in this embodiment, the push handle 15 is connected to the tail end of the push plate 13 by a push rod 14, as shown in fig. 2. Further, a baffle 17 is provided on the rack plate 16, and a spring 18 is provided between the baffle 17 and the sewer pipe 7. When pushing the push handle 15, the push plate 13 is driven to move leftwards by the push rod 14, the sundries between the upper filter screen 11 and the lower filter screen 8 can be pushed off from the slag hole 9 after the push plate 13 moves leftwards, and the spring 18 is fixedly connected between the baffle 17 and the sewer pipe 7 to reset the push handle 15 after pushing.
In addition, the slag hole 9 can be provided with a sealing cover, when in use, the sealing cover can be connected with a garbage can or a garbage bag, and the sewer pipe 7 can be connected with a sewer through a pipeline to discharge sewage.
In the invention, the use method of the cleaning mechanism of the down dehydrator comprises the following steps:
step one: a sewer pipe 7 of the cleaning mechanism is arranged at a water outlet of the dehydrator;
step two: after dehydration is finished, sewage is discharged from a water outlet, when the sewage flows downwards through a sewer pipe 7, a flushing blade 20 drives a rotating shaft 10 to rotate, and the rotating shaft 10 drives a blade 12 and an upper filter screen 11 to generate relative rotation, so that the blade 12 cuts larger feathers clamped on meshes of the upper filter screen 11, and the larger feathers flow between the upper filter screen 11 and a lower filter screen 8 along with fine feathers in the sewage after being cut;
step three: when the blade 20 drives the rotating shaft 10 under the action of water flow to cause the relative rotation generated between the blade 12 and the upper filter screen 11 to be insufficient to chop the feathers with the hard ribs clamped on the upper filter screen 11, that is, when the water flow drives the rotating shaft to have insufficient rotating power, the rack plate 16 is driven to reciprocate manually or automatically, for example, a manual hand push, an air cylinder or a hydraulic cylinder drives the rack plate 16 to reciprocate, the driving gear 19 rotates to drive the rotating shaft 10 to rotate, so that the rotating shaft 10 obtains larger power, and enough relative rotation is generated between the driving blade 12 and the upper filter screen 11 to enable the blade 12 to chop the feathers with the hard ribs clamped on the meshes of the upper filter screen 11 to flow into the space between the upper filter screen 11 and the lower filter screen 8;
step four: pushing the push plate 13 to move into the down pipe 7 manually or automatically, and discharging the feathers accumulated in the pipe cavity between the upper filter screen 11 and the lower filter screen 8 out of the down pipe 7 through the slag hole 9.
In summary, in the dirt cleaning mechanism and the use method of the down dehydrator provided by the embodiment of the invention, an upper filter plate and a lower filter plate are arranged in a sewer pipe of a water outlet of the dehydrator to form a net bag for intercepting the residual feather Mao Zasui in sewage, a rotating shaft is coaxially arranged in the sewer pipe, and the rotating shaft adopts a paddle or rack plate dual-drive rotating mode to drive the upper filter screen and the blade piece to rotate relatively, so that the blade cuts and pulverizes the feather clamped on the upper filter screen; meanwhile, the pushing plate is arranged, so that the accumulated feathers in the lumen can be cleaned conveniently, the effect of cleaning the miscellaneous broken feathers is achieved, the blockage of a water outlet can be effectively prevented, and the feathers can be prevented from entering a municipal drainage pipeline along with sewage to cause secondary pollution.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any person skilled in the art may make any equivalent substitution or modification to the technical solution and technical content disclosed in the invention within the scope of the technical solution without departing from the invention, and the technical solution is not departing from the scope of the invention.
Claims (3)
1. The dirt cleaning mechanism of the down dehydrator is characterized by comprising a sewer pipe (7), wherein an upper filter screen (11), a blade (12) and a lower filter screen (8) are sequentially arranged in the sewer pipe (7) from top to bottom; a rotating shaft (10) is coaxially and vertically arranged in the sewer pipe (7), a paddle (20) is arranged at the upper end of the rotating shaft (10), a gear (19) is arranged at the lower end of the rotating shaft, and the gear (19) is driven to rotate by a rack plate (16) which is transversely arranged; the rotating shaft (10) drives the upper filter screen (11) to enable the upper filter screen (11) and the blade (12) to rotate relatively; slag holes (9) and pushing plates (13) are respectively arranged on two opposite side walls of the sewer pipe (7) between the upper filter screen (11) and the lower filter screen (8), and the pushing plates (13) are in sliding connection with the side walls of the sewer pipe (7);
one end of the rack plate (16) close to the gear (19) is provided with a smooth area, and when the gear (19) is positioned in the smooth area, the gear (19) is not contacted with the rack plate (16); when the gear (19) is positioned in the non-smooth area, the gear (19) is meshed with the rack plate (16);
the upper filter screen (11) is fixedly connected with the rotating shaft (10) and is rotationally connected with the inner wall of the sewer pipe (7), and the blades (12) are fixedly arranged between the inner walls of the sewer pipe (7);
the pushing plate (13) is provided with a groove (21) corresponding to the blade (12);
the tail ends of the rack plate (16) and the push plate (13) are respectively provided with a pushing device or are commonly connected with the pushing device.
2. The cleaning mechanism of the down dehydrator according to claim 1, wherein the tail ends of the rack plate (16) and the push plate (13) are connected to the same push handle (15), a baffle plate (17) is arranged on the rack plate (16), and a spring (18) is arranged between the baffle plate (17) and the sewer pipe (7).
3. A method for using the cleaning mechanism of the down dehydrator, which is characterized by comprising the following steps:
step one: a sewer pipe (7) of the sewage disposal mechanism is arranged at a water outlet of the dehydrator;
step two: after dehydration is finished, sewage is discharged from a water outlet, when the sewage flows downwards through a sewer pipe (7), a flushing blade (20) drives a rotating shaft (10) to rotate, and the rotating shaft (10) drives a blade (12) and an upper filter screen (11) to generate relative rotation, so that the blade (12) cuts larger feathers clamped on meshes of the upper filter screen (11), and the cut larger feathers flow into a space between the upper filter screen (11) and a lower filter screen (8) along with fine feathers in the sewage;
step three: when the blade (20) drives the rotating shaft (10) under the action of water flow to ensure that the relative rotation generated between the blade (12) and the upper filter screen (11) is insufficient to cut the feathers clamped in the upper filter screen (11), the rack plate (16) is driven to reciprocate manually or automatically, the driving gear (19) rotates to drive the rotating shaft (10) to rotate, and the blade (12) and the upper filter screen (11) are driven to generate relative rotation, so that the blade (12) cuts the feathers clamped on the meshes of the upper filter screen (11) and the feathers clamped in the meshes of the upper filter screen (11) and the lower filter screen (8) are enabled to flow into the space between the upper filter screen (11) and the lower filter screen (8);
step four: the pushing plate (13) is pushed to move into the sewer pipe (7) manually or automatically, and the feathers accumulated in the pipe cavity of the sewer pipe (7) between the upper filter screen (11) and the lower filter screen (8) are discharged out of the sewer pipe (7) through the slag hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526898.4A CN108607698B (en) | 2018-05-29 | 2018-05-29 | Dirt cleaning mechanism of down dehydrator and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526898.4A CN108607698B (en) | 2018-05-29 | 2018-05-29 | Dirt cleaning mechanism of down dehydrator and use method |
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| Publication Number | Publication Date |
|---|---|
| CN108607698A CN108607698A (en) | 2018-10-02 |
| CN108607698B true CN108607698B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810526898.4A Active CN108607698B (en) | 2018-05-29 | 2018-05-29 | Dirt cleaning mechanism of down dehydrator and use method |
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| Country | Link |
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| CN (1) | CN108607698B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0949374A1 (en) * | 1998-04-10 | 1999-10-13 | Matsushita Electric Industrial Co., Ltd | Washing machine |
| JP3083087U (en) * | 2001-07-02 | 2002-01-18 | 中国施設工業株式会社 | Self-driven sewage solid-liquid separator |
| JP2005021849A (en) * | 2003-07-01 | 2005-01-27 | Matsumoto Kikai Seisakusho:Kk | Centrifuge |
| CN201052480Y (en) * | 2007-06-15 | 2008-04-30 | 昶稳机械工业有限公司 | Automatic cleaning dehydrator |
| JP2015039839A (en) * | 2013-08-22 | 2015-03-02 | 株式会社日本製鋼所 | Pellet dewatering apparatus and method |
| CN106824566A (en) * | 2017-02-15 | 2017-06-13 | 张家港市通江机械有限公司 | Flat full-automatic eider down dewaterer |
-
2018
- 2018-05-29 CN CN201810526898.4A patent/CN108607698B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0949374A1 (en) * | 1998-04-10 | 1999-10-13 | Matsushita Electric Industrial Co., Ltd | Washing machine |
| JP3083087U (en) * | 2001-07-02 | 2002-01-18 | 中国施設工業株式会社 | Self-driven sewage solid-liquid separator |
| JP2005021849A (en) * | 2003-07-01 | 2005-01-27 | Matsumoto Kikai Seisakusho:Kk | Centrifuge |
| CN201052480Y (en) * | 2007-06-15 | 2008-04-30 | 昶稳机械工业有限公司 | Automatic cleaning dehydrator |
| JP2015039839A (en) * | 2013-08-22 | 2015-03-02 | 株式会社日本製鋼所 | Pellet dewatering apparatus and method |
| CN106824566A (en) * | 2017-02-15 | 2017-06-13 | 张家港市通江机械有限公司 | Flat full-automatic eider down dewaterer |
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| CN108607698A (en) | 2018-10-02 |
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Denomination of invention: A cleaning mechanism and usage method for down dewatering machine Granted publication date: 20230919 Pledgee: Taiqian County sub branch of China Post Savings Bank Co.,Ltd. Pledgor: HENAN PENGDA DOWN FEATHER PRODUCTS CO.,LTD. Registration number: Y2024980036881 |
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