CN108246599A - A kind of high quality white rice screening plant - Google Patents
A kind of high quality white rice screening plant Download PDFInfo
- Publication number
- CN108246599A CN108246599A CN201810161663.XA CN201810161663A CN108246599A CN 108246599 A CN108246599 A CN 108246599A CN 201810161663 A CN201810161663 A CN 201810161663A CN 108246599 A CN108246599 A CN 108246599A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- high quality
- cylinder
- screening plant
- feeding cylinder
- 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.)
- Pending
Links
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 51
- 235000009566 rice Nutrition 0.000 title claims abstract description 51
- 238000012216 screening Methods 0.000 title claims abstract description 44
- 241000196324 Embryophyta Species 0.000 title claims abstract description 18
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 50
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000000428 dust Substances 0.000 claims description 22
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adjustment And Processing Of Grains (AREA)
Abstract
The present invention relates to rice processing technique fields, and disclose a kind of high quality white rice screening plant, including body, the top of the body is fixedly connected with feeding cylinder, and the top of the feeding cylinder offers feed inlet, and one end of the feeding cylinder is fixedly connected with servo motor, the output terminal of the servo motor is fixedly connected with stirring rod, the surface of the stirring rod is provided with bearing, and the surface of the stirring rod is fixedly connected with paddle, and the bottom end of the feeding cylinder is fixedly connected with discharge port.The high quality white rice screening plant, by setting feeding cylinder, servo motor, stirring rod and paddle, under the drive of servo motor, so that stirring rod drives paddle and so that rice average rate passes through discharge hole for discharge, it screens and blocks caused by preventing when adding in excessive rice, it is further prevent when rice blocks caused by screening it is incomplete, product screening rate is caused to decline, so as to achieve the purpose that rate is screened in control.
Description
Technical field
The present invention relates to rice processing technique field, specially a kind of high quality white rice screening plant.
Background technology
In the process of rice, paddy can generate after husking much cracks rice, and at this moment just needs using vibratory equipment, right
Rice is screened, and is separated with normal rice so as to will crack rice, do not differentiate between such as come not only influence rice quality and
Quality, can also reduce the economic value of rice, and existing rice processing screening installation is usually provided with suction opening, is set to extract out
The dust of standby interior generation ensures the normal operation of equipment, however general equipment is immediately discharged to after dusty gas is extracted out
Outside, but screening process be not easy to very much control screening rate so that screening block, and screen after be not easy to screening machine into
The certain cleaning maintenance of row.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of high quality white rice screening plant, has control feed rate and just
In maintenance the advantages that, solve the problems, such as that existing rice screening machine screening effect is bad.
（Two）Technical solution
To realize above-mentioned control feed rate and the purpose convenient for maintenance, the present invention provides following technical solution：It is a kind of high-quality big
Rice huller screen screening device, including body, the top of the body is fixedly connected with feeding cylinder, and the top of the feeding cylinder offers charging
Mouthful, one end of the feeding cylinder is fixedly connected with servo motor, and the output terminal of the servo motor is fixedly connected with stirring rod, institute
The surface for stating stirring rod is provided with bearing, and the surface of the stirring rod is fixedly connected with paddle, and the bottom end of the feeding cylinder is consolidated
Surely be connected with discharge port, the top of the body is fixedly connected with the suction ventilator positioned at feeding cylinder side, the suction ventilator into
Air port is fixedly connected with dust suction disc, and the bottom end of the dust suction disc is fixedly connected with dust absorption nozzle, and the bottom end of the body is fixedly connected
There is driving motor, the output terminal of the driving motor is fixedly connected with main rotary table, and the surface of the main rotary table passes through belt transmission
It is connected with from wheel disc, described to be fixedly connected with swingle from the inner wall of wheel disc, one end of the swingle is fixedly connected with screening
Cylinder, one end of the screen cylinder are fixedly connected with support shaft, and the bottom end of the support shaft is fixedly connected with connection button, the connection
The bottom end of button is fixedly connected with hydraulic stem, and the bottom end of the hydraulic stem is fixedly connected with the output terminal of hydraulic cylinder, the hydraulic cylinder
Side be fixedly connected with connecting rod, the bottom end of the connecting rod is fixedly connected with baffle, and the surface of the rotary shaft is socketed with
Movable button is connected with collecting tank immediately below the baffle.
Preferably, the screen cylinder includes protruding block, and offers through-hole between two protruding blocks.
Preferably, the model of the screen cylinder from left to right successively increases, the through-hole that the screen cylinder surface opens up with
The increase of screen cylinder model and aperture increases.
Preferably, the top of the protruding block is ellipse, and protruding block surface is provided with rubber pad.
Preferably, the surface of the dust suction disc is provided at least eight dust absorption nozzles, and the surface of eight dust absorption nozzles is fixed
It is connected with filter screen.
Preferably, the top of the feed inlet is provided with cover board, and cover board is hinged on the surface of feeding cylinder by hinge.
Preferably, the collecting tank is internally provided with partition board, and baffle, in funnel-form, funnel-form direction is downward.
（Three）Advantageous effect
Compared with prior art, the present invention provides a kind of high quality white rice screening plant, has following advantageous effect：
1st, high quality white rice screening plant, by setting feeding cylinder, servo motor, stirring rod and paddle, in servo motor
Under drive so that stirring rod drives paddle and rice average rate by discharge hole for discharge, is prevented due to adding in excessive rice
Caused by screen and block, screening caused by further preventing when rice blocks not exclusively, causes under product screening rate
Drop, so as to achieve the purpose that control screening rate.
2nd, high quality white rice screening plant, by setting screen cylinder, hydraulic cylinder, hydraulic stem, baffle and collecting tank, in baffle
Under the action of so that rice is directly fallen in collecting tank, improve production efficiency, further hydraulic cylinder drives hydraulic stem to make
The side raising of screen cylinder is obtained, convenient for being cleaned to screen cylinder, rice is prevented to be stuck in the inside of through-hole and reduce screening efficiency,
So as to achieve the purpose that convenient for maintenance.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is feeding cylinder structure diagram of the present invention；
Fig. 3 is screen cylinder structure diagram of the present invention.
In figure：1 body, 2 feeding cylinders, 3 feed inlets, 4 servo motors, 5 stirring rods, 6 bearings, 7 paddles, 8 discharge ports, 9
Suction ventilator, 10 dust suction discs, 11 dust absorption nozzles, 12 driving motors, 13 main rotary tables, 14 belts, 15 are screened from wheel disc, 16 swingles, 17
Cylinder, 171 protruding blocks, 172 through-holes, 18 support shafts, 19 connection buttons, 20 hydraulic stems, 21 hydraulic cylinders, 22 connecting rods, 23 baffles, 24 are lived
Dynamic button, 25 collecting tanks.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of high quality white rice screening plant, including body 1, the top of body 1 is fixedly connected with charging
Cylinder 2, the top of feeding cylinder 2 offer feed inlet 3, and the top of feed inlet 3 is provided with cover board, and cover board by hinge be hinged on into
The surface of barrel 2, one end of feeding cylinder 2 are fixedly connected with servo motor 4, and the output terminal of servo motor 4 is fixedly connected with stirring
Bar 5, the surface of stirring rod 5 are provided with bearing 6, and the surface of stirring rod 5 is fixedly connected with paddle 7, by set feeding cylinder 2,
Servo motor 4, stirring rod 5 and paddle 7, under the drive of servo motor 4 so that stirring rod 5 drives paddle 7 and causes big
Rice average rate is discharged by discharge port 8, and screening blocking, further prevents because of rice caused by preventing when adding in excessive rice
Block and caused by screening it is incomplete, product screening rate is caused to decline, so as to achieve the purpose that control screening rate, charging
The bottom end of cylinder 2 is fixedly connected with discharge port 8, and the top of body 1 is fixedly connected with the suction ventilator 9 positioned at 2 side of feeding cylinder, air draught
The air inlet of machine 9 is fixedly connected with dust suction disc 10, and the bottom end of dust suction disc 10 is fixedly connected with dust absorption nozzle 11, the surface of dust suction disc 10
At least eight dust absorption nozzles 11 are provided with, and the surface of eight dust absorption nozzles 11 is fixedly connected with filter screen, the bottom end of body 1 is fixed
Driving motor 12 is connected with, the output terminal of driving motor 12 is fixedly connected with main rotary table 13, and the surface of main rotary table 13 passes through belt
14 are sequentially connected with from wheel disc 15, are fixedly connected with swingle 16 from the inner wall of wheel disc 15, one end of swingle 16 is fixedly connected
There is screen cylinder 17, screen cylinder 17 includes protruding block 171, and the top of protruding block 171 is ellipse, and 171 surface of protruding block is set
There is rubber pad, and through-hole 172 is offered between two protruding blocks 171, the model of screen cylinder 17 from left to right successively increases, screening
The through-hole 172 that opens up of 17 surfaces of cylinder with the increase of 17 model of screen cylinder and aperture increases, one end of screen cylinder 17 are fixedly connected
There is support shaft 18, the bottom end of support shaft 18 is fixedly connected with connection button 19, and the bottom end of connection button 19 is fixedly connected with hydraulic stem 20,
The bottom end of hydraulic stem 20 is fixedly connected with the output terminal of hydraulic cylinder 21, and the side of hydraulic cylinder 21 is fixedly connected with connecting rod 22, even
The bottom end of extension bar 22 is fixedly connected with baffle 23, and the surface of rotary shaft 16 is socketed with movable button 24, the underface activity of baffle 23
Collecting tank 25 is connected with, collecting tank 25 is internally provided with partition board, and baffle 23, in funnel-form, funnel-form direction is downward, passes through
Screen cylinder 17, hydraulic cylinder 21, hydraulic stem 20, baffle 23 and collecting tank 25 are set, so that rice is direct under the action of baffle 23
It falls in collecting tank 25, improves production efficiency, further hydraulic cylinder 21 drives hydraulic stem 20 to cause the one of screen cylinder 17
Side increases, and convenient for being cleaned to screen cylinder 17, rice is prevented to be stuck in the inside of through-hole 172 and reduce screening efficiency, so as to reach
To the purpose convenient for maintenance.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating currents, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
When in use, rice enters feeding cylinder 2 by feed inlet 3, and servo motor 4 drives stirring rod 5 and paddle 7 equal
Speed movement, when the screening that 17 inside progress granular size of screen cylinder is entered by 8 side of discharge port, damaged rice first falls
It falls, is fallen after complete rice, fallen in collecting tank 25, while suction ventilator 9 carries out dust suction to 1 inside of body, after stopping
Hydraulic cylinder 21 drives hydraulic stem 20 to rise so that screen cylinder 17 tilts, and facilitates maintenance.
In conclusion the high quality white rice screening plant, by setting feeding cylinder 2, servo motor 4, stirring rod 5 and paddle
7, under the drive of servo motor 4 so that stirring rod 5 drives paddle 7 and so that rice average rate is discharged by discharge port 8, prevents
Only when adding in excessive rice caused by screen and block, screening caused by further preventing when rice blocks not exclusively,
Cause product screening rate decline, so as to achieved the purpose that control screening rate, by set screen cylinder 17, hydraulic cylinder 21,
Hydraulic stem 20, baffle 23 and collecting tank 25 so that rice is directly fallen in collecting tank 25 under the action of baffle 23, improve
Production efficiency, further hydraulic cylinder 21 drives hydraulic stem 20 so that the side raising of screen cylinder 17, convenient for screen cylinder 17 into
Row cleaning, prevents rice to be stuck in the inside of through-hole 172 and reduce screening efficiency, so as to achieve the purpose that convenient for maintenance.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of high quality white rice screening plant, including body（1）, it is characterised in that：The body（1）Top be fixedly connected with
Feeding cylinder（2）, the feeding cylinder（2）Top offer feed inlet（3）, the feeding cylinder（2）One end be fixedly connected with and watch
Take motor（4）, the servo motor（4）Output terminal be fixedly connected with stirring rod（5）, the stirring rod（5）Surface setting
There is bearing（6）, the stirring rod（5）Surface be fixedly connected with paddle（7）, the feeding cylinder（2）Bottom end be fixedly connected
There is discharge port（8）, the body（1）Top be fixedly connected with positioned at feeding cylinder（2）The suction ventilator of side（9）, the air draught
Machine（9）Air inlet be fixedly connected with dust suction disc（10）, the dust suction disc（10）Bottom end be fixedly connected with dust absorption nozzle（11）, institute
State body（1）Bottom end be fixedly connected with driving motor（12）, the driving motor（12）Output terminal be fixedly connected with main wheel
Disk（13）, the main rotary table（13）Surface pass through belt（14）It is sequentially connected with from wheel disc（15）, it is described from wheel disc（15）'s
Inner wall is fixedly connected with swingle（16）, the swingle（16）One end be fixedly connected with screen cylinder（17）, the screen cylinder
（17）One end be fixedly connected with support shaft（18）, the support shaft（18）Bottom end be fixedly connected with connection button（19）, it is described
Connection button（19）Bottom end be fixedly connected with hydraulic stem（20）, the hydraulic stem（20）Bottom end be fixedly connected with hydraulic cylinder（21）
Output terminal, the hydraulic cylinder（21）Side be fixedly connected with connecting rod（22）, the connecting rod（22）Bottom end fix connect
It is connected to baffle（23）, the rotary shaft（16）Surface be socketed with movable button（24）, the baffle（23）Underface activity connect
It is connected to collecting tank（25）.
2. a kind of high quality white rice screening plant according to claim 1, it is characterised in that：The screen cylinder（17）Including convex
It is bittiness（171）, and two protruding blocks（171）Between offer through-hole（172）.
3. a kind of high quality white rice screening plant according to claim 1, it is characterised in that：The screen cylinder（17）Model
It from left to right successively increases, the screen cylinder（17）The through-hole that surface opens up（172）With screen cylinder（17）The increase of model and
Aperture increases.
4. a kind of high quality white rice screening plant according to claim 1, it is characterised in that：The protruding block（171）Top
It holds as ellipse, and protruding block（171）Surface is provided with rubber pad.
5. a kind of high quality white rice screening plant according to claim 1, it is characterised in that：The dust suction disc（10）Surface
It is provided at least eight dust absorption nozzles（11）, and eight dust absorption nozzles（11）Surface be fixedly connected with filter screen.
6. a kind of high quality white rice screening plant according to claim 1, it is characterised in that：The feed inlet（3）Top
Cover board is provided with, and cover board is hinged on feeding cylinder by hinge（2）Surface.
7. a kind of high quality white rice screening plant according to claim 1, it is characterised in that：The collecting tank（25）Inside
It is provided with partition board, and baffle（23）In funnel-form, funnel-form direction is downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810161663.XA CN108246599A (en) | 2018-02-27 | 2018-02-27 | A kind of high quality white rice screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810161663.XA CN108246599A (en) | 2018-02-27 | 2018-02-27 | A kind of high quality white rice screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108246599A true CN108246599A (en) | 2018-07-06 |
Family
ID=62745386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810161663.XA Pending CN108246599A (en) | 2018-02-27 | 2018-02-27 | A kind of high quality white rice screening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108246599A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604143A (en) * | 2018-11-26 | 2019-04-12 | 温州职业技术学院 | A kind of construction gravel screening equipment and screening method |
| CN111495726A (en) * | 2020-05-06 | 2020-08-07 | 湖南溢香园粮油有限公司 | High-efficient purification and filtration device of rice processing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204656909U (en) * | 2014-12-31 | 2015-09-23 | 新昌县城南乡通辉机械厂 | A kind of drum-type capsule and pill screening machine |
| CN204912022U (en) * | 2015-08-18 | 2015-12-30 | 杨会兵 | Drum -type cereal sieve |
| CN107008523A (en) * | 2017-06-12 | 2017-08-04 | 贵州金晨农产品开发有限公司 | A kind of rice processing high frequency zone equipment with bar magnet |
| CN107626574A (en) * | 2017-10-24 | 2018-01-26 | 郑州艾莫弗信息技术有限公司 | Architectural engineering grains of sand sorting unit |
| CN208288397U (en) * | 2018-02-27 | 2018-12-28 | 刘镇钦 | A kind of high quality white rice screening plant |
-
2018
- 2018-02-27 CN CN201810161663.XA patent/CN108246599A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204656909U (en) * | 2014-12-31 | 2015-09-23 | 新昌县城南乡通辉机械厂 | A kind of drum-type capsule and pill screening machine |
| CN204912022U (en) * | 2015-08-18 | 2015-12-30 | 杨会兵 | Drum -type cereal sieve |
| CN107008523A (en) * | 2017-06-12 | 2017-08-04 | 贵州金晨农产品开发有限公司 | A kind of rice processing high frequency zone equipment with bar magnet |
| CN107626574A (en) * | 2017-10-24 | 2018-01-26 | 郑州艾莫弗信息技术有限公司 | Architectural engineering grains of sand sorting unit |
| CN208288397U (en) * | 2018-02-27 | 2018-12-28 | 刘镇钦 | A kind of high quality white rice screening plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604143A (en) * | 2018-11-26 | 2019-04-12 | 温州职业技术学院 | A kind of construction gravel screening equipment and screening method |
| CN111495726A (en) * | 2020-05-06 | 2020-08-07 | 湖南溢香园粮油有限公司 | High-efficient purification and filtration device of rice processing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |
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| RJ01 | Rejection of invention patent application after publication |