CN110038788A - A kind of grading oscillating screen with depositing dust function - Google Patents
A kind of grading oscillating screen with depositing dust function Download PDFInfo
- Publication number
- CN110038788A CN110038788A CN201910269964.9A CN201910269964A CN110038788A CN 110038788 A CN110038788 A CN 110038788A CN 201910269964 A CN201910269964 A CN 201910269964A CN 110038788 A CN110038788 A CN 110038788A
- Authority
- CN
- China
- Prior art keywords
- casing
- wall
- push rod
- hydraulic push
- right sides
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling 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
- B07B1/42—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
- 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
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The invention discloses a kind of grading oscillating screens with depositing dust function of vibrating screen technical field, including casing, the lower end of four side outer wall of casing is respectively provided with support leg, feed inlet is arranged in the top of casing, hydraulic push rod is arranged in the bottom of casing, the movable end of hydraulic push rod extends to the inner cavity of casing, three groups of sieve plates are arranged in the movable end outer wall activity of hydraulic push rod, baffle is arranged in the top of sieve plate, the left and right sides inner wall of casing activity setting gag lever post, the left and right sides outer wall of hydraulic push rod is respectively provided with panelling, buffer unit is arranged in the top of panelling, the left and right sides outer wall of hydraulic push rod fixing end is respectively provided with support plate.Grading oscillating screen with depositing dust function of the invention efficiently can carry out automatic cycle screening to material, easily can also carry out depositing dust processing to the dust in material, while guaranteeing that dust will not pollute casing internal, the material filtered out be made to keep clean.
Description
Technical field
The invention belongs to vibrating screen technical fields, are related to a kind of grading oscillating screen with depositing dust function, are meeting material
While automatic cycle screens, and depositing dust processing easily is carried out to the dust in material.
Background technique
Vibrating screen is typically all to be used to screen material, is to come out product screening qualified in material, unqualified
Product removal device.Existing vibrating screen cannot efficiently sieve material automatic cycle when screening to material
Choosing, the dust meeting splashes having in material when being screened, vibrating screen cannot timely remove dust, not only can be right
The internal structure of vibrating screen pollutes, while cannot be guaranteed the cleaning of material after screening, to reduce the efficiency of screening.Specially
Sharp file publication number CN201520255684 discloses a kind of vibrating screen, including support, is equipped with vibrating motor in support, on support
Side is equipped with screening plant, and blanking mouth is connected on screening plant, and screening plant includes upper screening plant and at least one lower screening dress
It sets, is connected between upper screening plant and lower screening plant by band, upper screening plant includes upper frame, and upper frame roof is connected with
Dustproof cover, is connected with feeding cylinder on dustproof cover, and upper lower frame is equipped with sieve, and lower screening plant includes lower frame, at the top of lower frame
Equipped with punched-plate, it is fixed with circular limitting casing on punched-plate, bounder is equipped in limitting casing, lower frame bottom is equipped with sieve.
Upper frame and lower frame inner wall are fixed with a circle sieve attachment base, and sieve is connected by bolt with sieve attachment base.Lower screening dress
It is set to two or three.Blanking mouth one end is connected by hinge on upper frame, and the other end is connected on upper frame by pin.
It there is as following drawbacks: first is that cannot efficiently screen material automatic cycle, second is that when being screened in material
The dust having can splashes.
Summary of the invention
The purpose of the present invention is to provide a kind of grading oscillating screens with depositing dust function, to solve in above-mentioned background technique
The problem of proposition.
To achieve the goals above, technical solution provided by the invention is as follows: a kind of classification vibration with depositing dust function
Sieve, including casing, the lower end of four side outer wall of casing are respectively provided with support leg, and feed inlet, aforesaid chassis is arranged in the top of aforesaid chassis
Bottom hydraulic push rod is set, the movable end of aforementioned hydraulic push rod extends to the inner cavity of casing, the movable end of aforementioned hydraulic push rod
Three groups of sieve plates are arranged in outer wall activity, and baffle, the activity setting of the left and right sides inner wall of aforesaid chassis is arranged in the top of aforementioned sieve plate
Gag lever post, the left and right sides outer wall of aforementioned hydraulic push rod are respectively provided with panelling, and buffer unit is arranged in the top of aforementioned panelling, aforementioned slow
The bottom of aforementioned sieve plate is set at the top of flushing device, and the left and right sides outer wall of aforementioned hydraulic push rod fixing end is respectively provided with support
Outer protecting shell is arranged in plate, the top of aforementioned support plate, and blower one, the top setting of aforementioned outer protecting shell is arranged in the inner cavity of aforementioned outer protecting shell
Discharge pipe extends to the inner cavity of aforesaid chassis at the top of aforementioned discharge pipe, and fixed plate is arranged in the outer right wall upper end of aforesaid chassis,
Dust accumulation cylinder is arranged in the top of aforementioned fixed plate, and siphunculus is arranged in the right side inner wall upper end of aforesaid chassis, and the right end of aforementioned siphunculus runs through
To aforesaid chassis outside and be connected to aforementioned dust accumulation cylinder, protective shell, the inner cavity of aforementioned protective shell is arranged in the top of aforementioned dust accumulation cylinder
Blower two is set, and strainer is arranged in the inner cavity of aforementioned dust accumulation cylinder, and discharge pipe, aforementioned discharge pipe is arranged in the outer right wall of aforementioned dust accumulation cylinder
Outer wall check valve is set, discharge port is arranged in the bottom of aforesaid chassis.
Further, aforementioned buffer unit includes the fixed block for being fixed at aforementioned sieve plate bottom, aforementioned fixed block
Bottom is connected with motion bar, and the bottom of aforementioned active bar is connected with fixture block, is provided at the top of aforementioned panelling and aforementioned card
The outer wall movable sleeve of the card slot of Block- matching, aforementioned active bar is connected to buffer spring.
Further, the left and right sides inner wall of aforementioned fixed block is provided with limit sliding chutes, and aforementioned active bar extends to aforementioned
The left and right sides outer wall of fixed block inner opposite end is provided with and the matched sliding block of aforementioned limit sliding chutes.
Further, aforementioned blower one is air blower, and aforementioned blower two is suction ventilator, and aforementioned blower one and aforementioned blower
Two are both connected on the output end of rotating electric machine.
Further, aforementioned gag lever post is movably arranged on the left and right sides outer wall of casing, and aforementioned limit by movable axis
Be provided with adjustable spring at the top of bar, the other end of aforementioned adjustable spring is connected to the inner wall of aforesaid chassis, aforementioned gag lever post with
The adjacent one end of the sieve plate is provided with the rounded corner being mutually matched.
Further, aforementioned strainer is inclined at the inner cavity of aforementioned dust accumulation cylinder, and the upper end of aforementioned strainer is arranged preceding
The top of siphunculus is stated, the lower section of aforementioned discharge pipe is arranged in the lower end of aforementioned strainer.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention three groups of sieve plates of setting, and three groups of sieve plates are arranged at the outer wall of hydraulic push rod movable end, hydraulic push rod
It mutually collides, material is screened so that sieve plate be made to roll, while sieved with gag lever post when driving sieve plate elevating movement
Buffer unit is arranged in the bottom of plate, by motion bar and the buffer spring activity in fixed block in buffer unit, makes sieve plate certainly
It moves and guarantees stability while screening, not only efficiently material can be screened, while meeting material can be automatic
Cycle Screening.
2. blower one is arranged in the bottom of casing in the present invention, blower two, blower one are set in the outer right wall upper end of casing
The inside of casing is blowed, the backhaul in material is blown upwards, blower two draws the air in casing, by casing
In dust sucking dust accumulation cylinder in, it may be convenient to in material dust carry out depositing dust processing, guarantee dust will not pollute machine
While inside shell, the material filtered out is made to keep clean.
Detailed description of the invention
Fig. 1 is the grading oscillating screen structural schematic diagram that the present invention has depositing dust function；
Fig. 2 is the buffer unit structure schematic diagram for the grading oscillating screen that the present invention has depositing dust function.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawing and by embodiment.
Embodiment 1:
The grading oscillating screen with depositing dust function that the present embodiment is related to, main structure include: 1 casing, 2 support legs, 3
Feed inlet, 4 hydraulic push rods, 5 sieve plates, 6 baffles, 7 gag lever posts, 8 panellings, 9 buffer units, 10 support plates, 11 outer protecting shells, 12 blowers
One, 13 discharge pipes, 14 fixed plates, 15 dust accumulation cylinders, 16 siphunculus, 17 protective shells, 18 blowers two, 19 strainers, 20 discharge pipes, wherein 9
Buffer unit includes: 91 fixed blocks, 92 motion bars, 93 fixture blocks, 94 buffer springs, 95 limit sliding chutes, 96 sliding blocks.
The grading oscillating screen with depositing dust function that the present embodiment is related to, as shown in Figure 1, the lower end of 1 four side outer wall of casing
It is provided with support leg 2, feed inlet 3 is provided at the top of casing 1,1 bottom of casing is provided with hydraulic push rod 4, the left and right sides of casing 1
Inner wall is movably set with gag lever post 7, and the height of the gag lever post 7 on right side is higher than the height of the gag lever post 7 in left side, hydraulic push rod 4
Movable end extend to the inner cavity of casing 1, the movable end outer wall of hydraulic push rod 4 is movably set with three groups of sieve plates 5, hydraulic push rod 4
Movable end outer wall by pin shaft and 5 active link of sieve plate, so that sieve plate 5 is rolled, the top of sieve plate 5 is provided with baffle
6, baffle 6 can prevent the material on sieve plate 5 from falling in screening, and the left and right sides outer wall of hydraulic push rod 4 is respectively provided with panelling 8,
Buffer unit 9 is arranged in the top of panelling 8, and the bottom of sieve plate 5 is arranged in the top of buffer unit 9,4 fixing end of hydraulic push rod
Left and right sides outer wall is respectively provided with support plate 10, and outer protecting shell 11 is arranged in the top of support plate 10, and blower is arranged in the inner cavity of outer protecting shell 11
One 12, discharge pipe 13 is arranged in the top of outer protecting shell 11, and semicircle mesh enclosure is arranged in the top of discharge pipe 13, guarantees anti-while outlet air
Only material is fallen on discharge pipe 13, and the top of discharge pipe 13 extends to the inner cavity of casing 1, the outer right wall upper end of casing 1
Fixed plate 14 is set, and dust accumulation cylinder 15 is arranged in the top of fixed plate 14, and siphunculus 16, and siphunculus is arranged in the right side inner wall upper end of casing 1
16 right end is through to the outside of casing 1 and is connected to dust accumulation cylinder 15, and protective shell 17 is arranged in the top of dust accumulation cylinder 15, protective shell 17
Blower 2 18 is arranged in inner cavity, and strainer 19 is arranged in the inner cavity of dust accumulation cylinder 15, and discharge pipe 20 is arranged in the outer right wall of dust accumulation cylinder 15, and goes out
Check valve is arranged in the outer wall of air hose 20, and check valve is unidirectional outlet valve, and discharge port is arranged in the bottom of casing 1.
The grading oscillating screen with depositing dust function that the present embodiment is related to, as shown in Fig. 2, buffer unit therein 9 includes
It is fixed at the fixed block 91 of 5 bottom of sieve plate, the bottom of fixed block 91 is flexibly connected motion bar 92, and the bottom of motion bar 92 connects
It is connected to fixture block 93, is provided with and the matched card slot of fixture block 93, the outer wall pivot bush unit buffering elastic of motion bar 92 at the top of panelling 8
Spring 94, so that buffer unit 9, when sieve plate 5 and the shock of gag lever post 7 shake together, the motion bar 92 in buffer unit 9 is solid
Determine the activity for passing through buffer spring 94 in block 91, it is more stable；Limit sliding chutes 95 are arranged in the left and right sides inner wall of fixed block 91,
Motion bar 92 extend to outer wall at left and right sides of one end of the inside of fixed block 91 be respectively provided with the matched sliding block 96 of limit sliding chutes 95, lead to
Cross sliding of the sliding block 96 in limit sliding chutes 95, motion bar 92 can in fixed block 91 smooth sliding and limitation shift position.
The grading oscillating screen with depositing dust function that the present embodiment is related to, as shown in Figure 1, blower 1 is air blower, wind
Machine 2 18 is suction ventilator, and blower 1 and blower 2 18 are both connected on the output end of rotating electric machine, and rotating electric machine passes through control
System switch connects to power supply work, guarantees that blower 1 is dried outward, the dust in casing 1 is blown upwards, and blower 2 18 is by machine
In dust sucking dust accumulation cylinder 15 in shell 1.
The grading oscillating screen with depositing dust function that the present embodiment is related to, gag lever post 7 therein are set by movable axis activity
The left and right sides outer wall in casing 1 is set, and adjustable spring is arranged in the top of gag lever post 7, and the other end of adjustable spring is connected to
The inner wall of casing 1, the one end adjacent with sieve plate 5 of gag lever post 7 are respectively provided with the rounded corner being mutually matched, and gag lever post 7 and sieve plate 5 are mutual
Continue to rise while can guaranteeing that sieve plate 5 rolls by the rounded corner being mutually matched when shock, gag lever post 7 passes through flexible
Spring and movable axis are movably arranged on the inner wall of casing 1, and the collision dynamics that gag lever post 7 can be prevented to be subject to is larger and is broken.
The grading oscillating screen with depositing dust function that the present embodiment is related to, strainer 19 therein are inclined at dust accumulation cylinder 15
Inner cavity, and the top of siphunculus 16 is arranged in the upper end of strainer 19, and the lower section of discharge pipe 20 is arranged in the lower end of strainer 19, make into
Entering the dust in dust accumulation cylinder 15 can be fallen in dust accumulation cylinder 15 by the obstruction of strainer.
The grading oscillating screen with depositing dust function that the present embodiment is related to, working principle and operating method are as follows: by material
It is poured into casing 1 by feed inlet 3, material is fallen in the top sieve plate 5, and operating hydraulic push rod 4 drives sieve plate 5 to be gone up and down
Movement, the gag lever post 7 different from left and right sides inside wall height in casing 1 mutually collides when sieve plate 5 is gone up and down, sieve plate 5 and gag lever post 7
It rolls on the movable end of hydraulic push rod 4 when collision, angle is rocked by the guarantee sieve plate 5 of buffer unit 9 while rocking
Degree pushes fixed block 91 to move downward when 5 stress of sieve plate is rocked, and fixed block 91 moves on motion bar 92 during moving,
94 stress of buffer spring of 92 outer wall of motion bar upwards rebounds fixed block 91, so that 5 uniform force of sieve plate is rocked stabilization, by three
Group sieve plate 5 can material being screened with uniform high-efficiency, operate blower 1 and blower 2 18, wind simultaneously during screening
The outlet air into casing 1 of machine 1, the dust in material is blown upwards, and blower 2 18 absorbs air in casing 1, by the ash in material
Dirt sucks in dust accumulation cylinder 15, and the strainer in dust accumulation cylinder 15, which can effectively prevent, is stored in dust in dust accumulation cylinder, and screening is completed
Material afterwards takes out by discharge port.
Claims (6)
1. a kind of grading oscillating screen with depositing dust function, including casing, it is characterised in that: the lower end of the four side outer wall of casing
It is respectively provided with support leg, feed inlet is arranged in the top of the casing, and hydraulic push rod, the hydraulic push rod is arranged in the bottom of the casing
Movable end extend to the inner cavity of casing, three groups of sieve plates are arranged in the movable end outer wall activity of the hydraulic push rod, the sieve plate
Top is arranged baffle, the left and right sides inner wall of the casing activity setting gag lever post, outside the left and right sides of the hydraulic push rod
Wall is respectively provided with panelling, and the top of the panelling is arranged buffer unit, the bottom of the sieve plate is arranged at the top of the buffer unit
Portion, the left and right sides outer wall of the hydraulic push rod fixing end are respectively provided with support plate, and outer protecting shell, institute is arranged in the top of the support plate
The inner cavity setting blower one of outer protecting shell is stated, the top of the outer protecting shell is arranged discharge pipe, extends to institute at the top of the discharge pipe
The inner cavity of casing is stated, fixed plate is arranged in the outer right wall upper end of the casing, and dust accumulation cylinder is arranged in the top of the fixed plate, described
Siphunculus is arranged in the right side inner wall upper end of casing, and the right end of the siphunculus is through to the outside of the casing and is connected to the dust accumulation
Protective shell is arranged in cylinder, the top of the dust accumulation cylinder, and blower two, the inner cavity setting of the dust accumulation cylinder is arranged in the inner cavity of the protective shell
Discharge pipe is arranged in strainer, the outer right wall of the dust accumulation cylinder, and check valve, the bottom of the casing is arranged in the outer wall of the discharge pipe
Discharge port is set.
2. a kind of grading oscillating screen with depositing dust function according to claim 1, it is characterised in that: the buffer unit
Fixed block including being fixed at the sieve plate bottom, the bottom of the fixed block are connected with motion bar, the activity
The bottom of bar is connected with fixture block, is provided at the top of the panelling and the matched card slot of the fixture block, the outer wall of the motion bar
Movable sleeve is connected to buffer spring.
3. a kind of grading oscillating screen with depositing dust function according to claim 2, it is characterised in that: the fixed block
Left and right sides inner wall is provided with limit sliding chutes, and the left and right sides outer wall that the motion bar extends to the fixed block inner opposite end is equal
It is provided with and the matched sliding block of the limit sliding chutes.
4. a kind of grading oscillating screen with depositing dust function according to claim 1, it is characterised in that: the blower one is
Air blower, the blower two is suction ventilator, and the blower one and the blower two are both connected on the output end of rotating electric machine.
5. a kind of grading oscillating screen with depositing dust function according to claim 1, it is characterised in that: the gag lever post is logical
The left and right sides outer wall that movable axis is movably arranged on casing is crossed, and is provided with adjustable spring at the top of the gag lever post, it is described to stretch
The other end of contracting spring is connected to the inner wall of the casing, and gag lever post one end adjacent with the sieve plate is provided with mutually
Matched rounded corner.
6. a kind of grading oscillating screen with depositing dust function according to claim 1, it is characterised in that: the strainer inclination
The inner cavity of the dust accumulation cylinder is set, and the top of the siphunculus is arranged in the upper end of the strainer, the lower end of the strainer is set
It sets in the lower section of the discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269964.9A CN110038788A (en) | 2019-04-04 | 2019-04-04 | A kind of grading oscillating screen with depositing dust function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269964.9A CN110038788A (en) | 2019-04-04 | 2019-04-04 | A kind of grading oscillating screen with depositing dust function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110038788A true CN110038788A (en) | 2019-07-23 |
Family
ID=67276205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910269964.9A Pending CN110038788A (en) | 2019-04-04 | 2019-04-04 | A kind of grading oscillating screen with depositing dust function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110038788A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274986A (en) * | 2020-10-14 | 2021-01-29 | 太仓中化环保化工有限公司 | Hydrofluoric acid organic material recovery unit |
| CN112449994A (en) * | 2020-11-25 | 2021-03-09 | 王峰 | Industrialized stick-making process and equipment for lentinus edodes |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209334169U (en) * | 2018-11-23 | 2019-09-03 | 临沂会宝岭铁矿有限公司 | A kind of efficient oscillating screen with depositing dust function |
-
2019
- 2019-04-04 CN CN201910269964.9A patent/CN110038788A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209334169U (en) * | 2018-11-23 | 2019-09-03 | 临沂会宝岭铁矿有限公司 | A kind of efficient oscillating screen with depositing dust function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274986A (en) * | 2020-10-14 | 2021-01-29 | 太仓中化环保化工有限公司 | Hydrofluoric acid organic material recovery unit |
| CN112274986B (en) * | 2020-10-14 | 2022-06-17 | 太仓中化环保化工有限公司 | Hydrofluoric acid organic material recovery unit |
| CN112449994A (en) * | 2020-11-25 | 2021-03-09 | 王峰 | Industrialized stick-making process and equipment for lentinus edodes |
| CN112449994B (en) * | 2020-11-25 | 2022-03-08 | 王峰 | Industrialized stick-making process and equipment for lentinus edodes |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190723 |
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| RJ01 | Rejection of invention patent application after publication |