CN108940976A - A kind of rice paddy seed cleaning device of Water flow impact type - Google Patents
A kind of rice paddy seed cleaning device of Water flow impact type Download PDFInfo
- Publication number
- CN108940976A CN108940976A CN201810522414.9A CN201810522414A CN108940976A CN 108940976 A CN108940976 A CN 108940976A CN 201810522414 A CN201810522414 A CN 201810522414A CN 108940976 A CN108940976 A CN 108940976A
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- Prior art keywords
- water
- rotating bar
- water tank
- cleaning case
- cavity
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of rice paddy seed cleaning devices of Water flow impact type, including cleaning case, water tank and rotating bar；The cleaning case is fixed on the top of water tank by supporting block, is provided with filter plate in the middle part of the inner cavity of cleaning case；The rotating bar is vertically provided in cleaning case, rotating bar is hollow structure, the outlet plenum being connected, suction cavity, nozzle, conical cavity and snout cavity are disposed with inside rotating bar from top to bottom, the osculum of conical cavity is connected with nozzle, and rotating bar, which corresponds to, is connected with suction tube on the position of suction cavity；Pump machine is installed on the top inner wall of the water tank is corresponding, pump machine draw water end and water outlet is connected separately with drinking-water pipe and outlet pipe, the other end of drinking-water pipe extends to the intracavity bottom of water tank, and the other end of outlet pipe is connected to snout cavity.The present invention carries out dispersion cleaning to seed by the way of water impact, guarantees cleaning effect, while can also recycle to water resource, is more energy-saving and environmentally friendly.
Description
Technical field
The present invention relates to agriculture field, the rice paddy seed cleaning device of specifically a kind of Water flow impact type.
Background technique
Rice is main most long one kind in one kind and Oryza of draft Oryza as grain.It is originating in China,
Yangtze River in China basin is with regard to rice cultivation before 7000 years.Broad sense rice is different from upland rice；Narrow sense rice refers to fresh water rice, is different from seawater
Rice etc..By paddy type, rice can be divided into long-grained nonglutinous rice and japonica rice, early rice and middle late rice, glutinous rice and non-glutinous rice.There are also other points
Class, for rice Common Cultivation in paddy field, soilless cultivation is rice waterborne.The typically no one meter of height of rice, 2 meters or so are new cultivate
Huge rice.
In rice paddy seed seedling, the quality of rice paddy seed is directly related to the rice shoot in later period, and the cleaning of rice paddy seed
Degree direct influence the quality of rice paddy seed, mostly use artificial mode to clean seed at present, large labor intensity,
Working efficiency is low, also has equipment component that can replace manually cleaning rice, but these devices are using high-volume mostly
The working method that seed cleans simultaneously, is easy to cause wash seeds uneven.
Summary of the invention
The purpose of the present invention is to provide a kind of rice paddy seed cleaning devices of Water flow impact type, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of rice paddy seed cleaning device of Water flow impact type, including cleaning case, water tank and rotating bar；The cleaning case passes through branch
Bracer is fixed on the top of water tank, and filter plate is provided in the middle part of the inner cavity of cleaning case, and filter plate fitting is fixed on the inner wall of cleaning case,
The right side of cleaning case, which is located on the position above filter plate, is provided with chamber door；The rotating bar is vertically provided in cleaning case, rotation
Bar is hollow structure, be disposed with from top to bottom inside rotating bar the outlet plenum being connected, suction cavity, nozzle, conical cavity and
The osculum of snout cavity, conical cavity is connected with nozzle, and rotating bar corresponds to and is connected with suction tube on the position of suction cavity, the pipe of suction tube
Mouth is arranged towards filter plate, and rotating bar corresponds to and is connected with discharge nozzle on the position of outlet plenum, and discharge nozzle is provided with two sides and symmetrical point
Cloth is offered towards opposite multiple discharge holes on discharge nozzle described in two sides in the left and right sides of rotating bar；The cleaning case
Left bottom is connected with the first return pipe, and the other end of the first return pipe is connected to the top of water tank, installs on the first return pipe
There is valve；Pump machine is installed on the top inner wall of the water tank is corresponding, pump machine draw water end and water outlet is connected separately with and draws water
Pipe and outlet pipe, the other end of drinking-water pipe extend to the intracavity bottom of water tank, and the other end of outlet pipe is connected by swivel
To rotating bar bottom centre position and be connected to snout cavity；It was provided on the position of corresponding first return pipe in the water tank
Filter frame.
As a further solution of the present invention: the filter plate is V-shaped.
As a further solution of the present invention: the pump machine is high pressure pump machine.
As a further solution of the present invention: being connected with fixed plate on the left side outer wall of the cleaning case, set in fixed plate
It is equipped with substandard products collecting box, substandard products collecting box is fixed on the top of fixed plate by support column, is connected at the top of substandard products collecting box
Communicating pipe, the other end of communicating pipe are connected to the top left side of cleaning case, and draining net is provided in substandard products collecting box, and draining net inclines
Tiltedly setting and left low and right high, the left side of substandard products collecting box, which is located on the position of the online side of draining, is provided with Dump gate, and substandard products are collected
The bottom of case is connected with the second return pipe, and the top that the other end of the second return pipe is connected to water tank corresponds to the position of filter frame.
As a further solution of the present invention: the inner cavity top surface of the cleaning case is the inclined surface of right low left high.
As a further solution of the present invention: sliding block is fixed at the top of the filter frame, the inner cavity top of water tank opens up
There is the slot matched with sliding block, sliding block sliding is fastened in slot, and the front side of water tank corresponds to and is provided on the position of filter frame
Operate door.
As a further solution of the present invention: the cross section of the sliding block is T-shaped.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is by being arranged outlet plenum, suction cavity, nozzle, conical cavity and snout cavity in the inside of rotating bar, so that pressure water
By forming negative pressure when rotating bar in suction cavity, seed is drawn into suction cavity, impact reaching to seed by water flow
The effect of cleaning is arrived, and since seed is to be dispersed sucking to be cleaned, so that cleaned more uniform of seed；Pass through
Discharge nozzle is set, and is opened up on the discharge nozzle of two sides towards opposite discharge hole, so that work of the rotating bar in two bursts of opposite water flows
It is rotated with lower generation, makes suction tube more comprehensive to the attraction of seed；By setting return pipe and filter frame, water can be carried out
Filtering, recycles so that water resource is able to carry out, is more energy-saving and environmentally friendly；The present invention can also carry out wet concentration to seed simultaneously,
Shrivelled seed is eliminated to come, improves the final product quality of seed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rice paddy seed cleaning device of Water flow impact type.
Fig. 2 is connection schematic diagram of the discharge nozzle in rotating bar in the rice paddy seed cleaning device of Water flow impact type.
Fig. 3 is the enlarged structure schematic diagram of A in Fig. 1.
Fig. 4 is the outer view schematic diagram of the water tank of the rice paddy seed cleaning device of Water flow impact type.
In figure: 1- cleaning case, 11- supporting block, 12- chamber door, 13- fixed plate, the first return pipe of 14-, 15- valve, 16- filter
Plate, 2- water tank, 21- filling pipe, 22- slot, 23- operate door, 3- rotating bar, 31- outlet plenum, 32- suction cavity, 33- nozzle,
34- conical cavity, 35- snout cavity, 4- pump machine, 41- drinking-water pipe, 42- outlet pipe, 421- swivel, 5- discharge nozzle, 51- discharging
Hole, 6- substandard products collecting box, 61- support column, 62- communicating pipe, the second return pipe of 63-, 64- Dump gate, 65- draining net, 7- filtering
Frame, 71- sliding block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of rice paddy seed cleaning device of Water flow impact type, including cleaning
Case 1, water tank 2 and rotating bar 3；The cleaning case 1 is fixed on the top of water tank 2, the inner cavity middle part of cleaning case 1 by supporting block 11
It is provided with filter plate 16, the fitting of filter plate 16 is fixed on the inner wall of cleaning case 1, and the right side of cleaning case 1 is located at the position of 16 top of filter plate
It sets and is provided with chamber door 12, the disengaging for material；The rotating bar 3 is vertically provided in cleaning case 1, and rotating bar 3 is hollow
Structure is disposed with the outlet plenum 31 being connected, suction cavity 32, nozzle 33,34 and of conical cavity inside rotating bar 3 from top to bottom
The osculum of snout cavity 35, conical cavity 34 is connected with nozzle 33, is connected with suction tube on the position of the corresponding suction cavity 32 of rotating bar 3
36, the nozzle of suction tube 36 is arranged towards filter plate 16, is connected with discharge nozzle 5 on the position of the corresponding outlet plenum 31 of rotating bar 3, discharges
Pipe 5 is provided with two sides and is symmetrically distributed in the left and right sides of rotating bar 3, is offered on discharge nozzle 5 described in two sides towards opposite
Multiple discharge holes 51, when being passed through pressure water into rotating bar 3, water flow enters suction cavity 32 via nozzle 33 from conical cavity 34
During, flow rate of water flow becomes larger, so that the pressure in suction cavity 32 becomes smaller to form negative pressure, the seed on filter plate 16 is absorbed pipe
36 are drawn into suction cavity 32, impact to seed by water flow having achieved the effect that cleaning, and since seed is to be divided
What scattered sucking was cleaned, so that cleaned more uniform of seed, further, the filter plate 16 is V-shaped, so that kind
Son can be drawn close to centre under gravity, so that seed is easier to be attracted pipe 36 and is drawn, entered in rotating bar 3 and plant
Son follows water flow to fall after the discharge of discharge port 51, then falls on filter plate 16 and is cleaned again, and it is clear that guarantee is cleaned multiple times
Effect is washed, while rotating bar 3 generates rotation under the action of two bursts of opposite water flows, to drive suction tube 36 to rotate, so that inhaling
Skirt 36 is more comprehensive to the attraction of seed；The left bottom of the cleaning case 1 is connected with the first return pipe 14, the first return pipe
14 other end is connected to the top of water tank 2, is equipped with valve 15 on the first return pipe 14；
Pump machine 4 is installed on the top inner wall of the water tank 2 is corresponding, further, pump machine 4 is high pressure pump machine, and pump machine 4 is drawn water
End and water outlet are connected separately with drinking-water pipe 41 and outlet pipe 42, and the other end of drinking-water pipe 41 extends to the intracavity bottom of water tank 2,
The other end of outlet pipe 42 is connected to the bottom centre position of rotating bar 3 and is connected to snout cavity 35, water by swivel 421
The right hand top of case 2 is connected with filling pipe 21, for supplementing rinse water into water tank 2；
It is connected with fixed plate 13 on the left side outer wall of the cleaning case 1, substandard products collecting box 6 is provided in fixed plate 13, substandard products are received
Header 6 is fixed on the top of fixed plate 13 by support column 61, and the top of substandard products collecting box 6 is connected with communicating pipe 62, communicating pipe
62 other end is connected to the top left side of cleaning case 1, and further, the inner cavity top surface of cleaning case 1 is the inclination of right low left high
Face is provided with draining net 65 in substandard products collecting box 6, and draining net 65 is obliquely installed and left low and right high, the left lateral position of substandard products collecting box 6
It is provided with Dump gate 64 on position above the draining net 65, the bottom of substandard products collecting box 6 is connected with the second return pipe 63, and second
The other end of return pipe 63 is connected to the top of water tank 2；
It is provided with filter frame 7 on the position of corresponding first return pipe 14 and the second return pipe 63 in the water tank 2, it can be to reflux
Water afterwards is filtered, and is recycled so that water resource is able to carry out, and is more energy-saving and environmentally friendly；The top of the filter frame 7 is fixed
There is sliding block 71, the inner cavity top of water tank 2 offers the slot 22 matched with sliding block 71, and the sliding of sliding block 71 is fastened on slot 22
In, the detachable connection between filter frame 7 and water tank 2 is thereby realized, the cleaning replacement of filter frame 7 is convenient for, into
One step, the cross section of sliding block 71 is T-shaped, and the front side of water tank 2, which corresponds to, is provided with operation door 23 on the position of filter frame 7, uses
When, opening operation door 23 is filtered the draw operation of frame 7.
The working principle of the invention is:
Chamber door 12 to be opened, rice paddy seed to be cleaned is added in cleaning case 2, seed is fallen on filter plate 16, start pump machine 4,
Water in water tank 2 is pumped into rotating bar 3 by pump machine 4, and water flow enters the process of suction cavity 32 from conical cavity 34 via nozzle 33
In, flow rate of water flow becomes larger, so that the pressure in suction cavity 32 becomes smaller to form negative pressure, the seed on filter plate 16 is absorbed the sucking of pipe 36
Into suction cavity 32, seed impact by water flow to have achieved the effect that cleaning, and since seed is to be dispersed to suck
It is cleaned, so that cleaned more uniform of seed, enters seed in rotating bar 3 and water flow is followed to be discharged from discharge port 51
After fall, then fall on filter plate 16 and cleaned again, guarantee cleaning effect is cleaned multiple times, while rotating bar 3 is at two strands
Rotation is generated under the action of opposite water flow, to drive suction tube 36 to rotate, so that suction tube 36 is more complete to the attraction of seed
Face, under valve 141 is in the open state in cleaning process, water can flow into water tank 2 via the first return pipe 14 in cleaning case 1,
So that suction cavity 32 keeps the state being communicated with the atmosphere, after completion to be cleaned, valve 141 is closed, is started in cleaning case 1
Ponding is generated, with the rising of liquid level, shrivelled seed floats, and finally enters in substandard products collecting box 6 from communicating pipe 62, shrivelled kind
Son is intercepted by draining net 5, so far just completes the wet concentration of seed, has achieved the purpose that reject in shrivelled seed, and is driven shrivelled
Seed flowing water is back in water tank 2 via the second return pipe 63, is filtered by filter frame 7 to water, enables water resource
It is enough recycled, is more energy-saving and environmentally friendly.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of rice paddy seed cleaning device of Water flow impact type, including cleaning case (1), water tank (2) and rotating bar (3)；It is special
Sign is that the cleaning case (1) is fixed on the top of water tank (2), setting in the middle part of the inner cavity of cleaning case (1) by supporting block (11)
Have filter plate (16), filter plate (16) fitting is fixed on the inner wall of cleaning case (1), and the right side of cleaning case (1) is located on filter plate (16)
Chamber door (12) are provided on the position of side；The rotating bar (3) is vertically provided in cleaning case (1), and rotating bar (3) is hollow knot
Structure, rotating bar (3) is internal to be disposed with the outlet plenum (31) being connected, suction cavity (32), nozzle (33), taper from top to bottom
The osculum of chamber (34) and snout cavity (35), conical cavity (34) is connected with nozzle (33), the position of rotating bar (3) corresponding suction cavity (32)
It sets and is connected with suction tube (36), the nozzle of suction tube (36) is arranged towards filter plate (16), and rotating bar (3) is corresponding outlet plenum (31)
Position on be connected with discharge nozzle (5), discharge nozzle (5) is provided with two sides and is symmetrically distributed in the left and right sides of rotating bar (3), two
It is offered on discharge nozzle described in side (5) towards opposite multiple discharge holes (51)；The left bottom of the cleaning case (1) is connected with
First return pipe (14), the other end of the first return pipe (14) are connected to the top of water tank (2), and the first return pipe is installed on (14)
There are valve (15)；It is equipped with pump machine (4) on the top inner wall of the water tank (2) is corresponding, draw water end and the water outlet point of pump machine (4)
It is not connected with drinking-water pipe (41) and outlet pipe (42), the other end of drinking-water pipe (41) extends to the intracavity bottom of water tank (2), water outlet
The other end of pipe (42) is connected to the bottom centre position of rotating bar (3) by swivel (421) and connects with snout cavity (35)
It is logical；Filter frame (7) are provided on the position of corresponding first return pipe (14) in the water tank (2).
2. the rice paddy seed cleaning device of Water flow impact type according to claim 1, which is characterized in that the filter plate (16)
It is V-shaped.
3. the rice paddy seed cleaning device of Water flow impact type according to claim 1, which is characterized in that the pump machine (4)
For high pressure pump machine.
4. the rice paddy seed cleaning device of Water flow impact type according to claim 1, which is characterized in that the cleaning case
(1) it is connected with fixed plate (13), is provided in fixed plate (13) substandard products collecting box (6) on left side outer wall, substandard products collecting box (6)
It is fixed on the top of fixed plate (13) by support column (61), is connected at the top of substandard products collecting box (6) communicating pipe (62), is connected to
The other end of pipe (62) is connected to the top left side of cleaning case (1), is provided with draining net (65), draining in substandard products collecting box (6)
Net (65) is obliquely installed and left low and right high, and the left side of substandard products collecting box (6), which is located on the position above draining net (65), to be provided with
Dump gate (64), the bottom of substandard products collecting box (6) are connected with the second return pipe (63), the other end connection of the second return pipe (63)
The position of filter frame (7) is corresponded to the top of water tank (2).
5. the rice paddy seed cleaning device of Water flow impact type according to claim 4, which is characterized in that the cleaning case
(1) inner cavity top surface is the inclined surface of right low left high.
6. the rice paddy seed cleaning device of Water flow impact type according to claim 1, which is characterized in that the filter frame
(7) it is fixed at the top of sliding block (71), the inner cavity top of water tank (2) offers the slot (22) matched with sliding block (71), sliding
Block (71) sliding is fastened in slot (22), and the front side of water tank (2) corresponds to and is provided with operation door on the positions of filter frame (7)
(23).
7. the rice paddy seed cleaning device of Water flow impact type according to claim 6, which is characterized in that the sliding block (71)
Cross section it is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522414.9A CN108940976B (en) | 2018-05-28 | 2018-05-28 | Water impact type rice seed cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522414.9A CN108940976B (en) | 2018-05-28 | 2018-05-28 | Water impact type rice seed cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108940976A true CN108940976A (en) | 2018-12-07 |
| CN108940976B CN108940976B (en) | 2021-08-31 |
Family
ID=64491844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810522414.9A Active CN108940976B (en) | 2018-05-28 | 2018-05-28 | Water impact type rice seed cleaning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108940976B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340057A (en) * | 2019-07-04 | 2019-10-18 | 寻乌县思源农业发展有限公司 | A kind of energy-saving cleaning device for ganoderma lucidum production |
| CN112517227A (en) * | 2020-11-13 | 2021-03-19 | 高帅帅 | Seed screening device and method |
| CN112604808A (en) * | 2020-12-02 | 2021-04-06 | 阜阳市国峰伟业粮油有限责任公司 | Water circulation formula is chaff skin filtration equipment for flour production |
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| CN2143270Y (en) * | 1992-11-09 | 1993-10-06 | 顾澄世 | Negative pressure intaking pump for pipe irrigation |
| AT403878B (en) * | 1995-11-20 | 1998-06-25 | Stephan Smets | DEVICE AND METHOD FOR CLEANING ROOF SURFACES |
| EP0841518A2 (en) * | 1996-11-08 | 1998-05-13 | Shrinkfast Corporation | Heat gun with high performance jet pump and quick change attachments |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110340057A (en) * | 2019-07-04 | 2019-10-18 | 寻乌县思源农业发展有限公司 | A kind of energy-saving cleaning device for ganoderma lucidum production |
| CN112517227A (en) * | 2020-11-13 | 2021-03-19 | 高帅帅 | Seed screening device and method |
| CN112604808A (en) * | 2020-12-02 | 2021-04-06 | 阜阳市国峰伟业粮油有限责任公司 | Water circulation formula is chaff skin filtration equipment for flour production |
| CN112604808B (en) * | 2020-12-02 | 2022-07-12 | 阜阳市国峰伟业粮油有限责任公司 | Water circulation formula is chaff skin filtration equipment for flour production |
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| Publication number | Publication date |
|---|---|
| CN108940976B (en) | 2021-08-31 |
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