CN110394210A - A kind of environmental protection In Mine Crusher - Google Patents
A kind of environmental protection In Mine Crusher Download PDFInfo
- Publication number
- CN110394210A CN110394210A CN201910841884.6A CN201910841884A CN110394210A CN 110394210 A CN110394210 A CN 110394210A CN 201910841884 A CN201910841884 A CN 201910841884A CN 110394210 A CN110394210 A CN 110394210A
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- CN
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- Prior art keywords
- case
- pipe
- crushed
- broken case
- broken
- 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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- 230000007613 environmental effect Effects 0.000 title claims abstract description 5
- 238000013467 fragmentation Methods 0.000 claims abstract description 21
- 238000006062 fragmentation reaction Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 abstract description 18
- 210000000515 tooth Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012634 fragment Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disintegrating Or Milling (AREA)
Abstract
It is a kind of environmental protection In Mine Crusher, for guarantee to ore crush efficiency while, reduce the discharge of dust.Including rack, further includes: the first fragmentation cell, the second fragmentation cell, third fragmentation cell are equipped with the first delivery board between the first fragmentation cell and the second fragmentation cell, are crushed between case in the second broken case and third and are equipped with the second delivery board；Transfer pipe, the upper end of transfer pipe are connected to the first broken case, and the lower end of transfer pipe is crushed case with third and is connected to；Sweep-up pipe, the first end of sweep-up pipe is crushed case with the first broken case, the second broken case, third and transfer pipe is connected to, and the second end of sweep-up pipe is connect with suction ventilator, and suction ventilator is equipped with delivery pipe, and the lower end of delivery pipe is protruded into the water tank for filling water；Conveyer, setting are crushed below case in third, and the ores lifting being crushed by three-level is gone out on the inside of rack.The efficiency crushing to ore can be achieved in the present invention, and can be to avoid fugitive dust.
Description
Technical field
The present invention relates to mining machinery technical field, specifically a kind of environmentally friendly In Mine Crusher.
Background technique
Crusher is one of machinery relatively conventional, important in mining equiment, and the crushing effect of ore is for subsequent place
It manages, be machined with important role.Thereby it is ensured that the crushing effect of ore is highly important.In addition, ore crushing process
In, dust can be inevitably generated, after these dust are sucked by worker, the health to worker is a kind of greatly threat.
Summary of the invention
It is an object of the invention to a kind of environmentally friendly In Mine Crushers, while for guaranteeing to ore crush efficiency, reduce
The discharge of dust.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of environmental protection In Mine Crusher, including rack,
It is characterized in that, further includes:
First fragmentation cell, it is arranged on the rack portion, including the first broken case, a pair first being arranged in the first broken case
Breaker roll, it is broken for carrying out level-one to ore；
Second fragmentation cell, it is arranged in central rack, including the second broken case, a pair second being arranged in the second broken case
Breaker roll, for carrying out two-stage crushing to ore；
First delivery board, it is inclined between the bottom of the first broken case and the top of the second broken case, in the first conveying
The upper end of plate is equipped with several through-holes；
Third fragmentation cell, it is arranged in frame lower, is crushed case including third, a pair of of third that third is crushed in case is arranged in
Breaker roll, it is broken for carrying out three-level to ore；
Second delivery board, the bottom and third that it is inclined at the second broken case are crushed between the top of case；
Transfer pipe, the upper end of transfer pipe are connected to the first broken case, and the lower end of transfer pipe is crushed case with third and is connected to；
Sweep-up pipe, the first end of sweep-up pipe is crushed case with the first broken case, the second broken case, third and transfer pipe is connected to, and inhales
The second end of dirt pipe is connect with suction ventilator, and suction ventilator is equipped with delivery pipe, and the lower end of delivery pipe is protruded into the water tank for filling water；
Conveyer, setting are crushed below case in third, and the ores lifting being crushed by three-level is gone out on the inside of rack.
Further, it is equipped with dust-proof cushion at the top of rack inner cavity, dust-proof cushion realizes the closing to rack inner cavity from top.
Further, air blower is equipped in rack inner cavity, air blower is equipped with outlet, and outlet is located on the second broken case
Side and the second broken case of direction.
Further, the spacing between two first breaker rolls is greater than the spacing between two second breaker rolls, and two second is broken
Spacing between roller is greater than the spacing between two third breaker rolls.
Further, it is equipped with the first connecting tube between the first end of sweep-up pipe and the first broken case side wall, connects first
It is equipped with the second connecting tube between adapter tube and transfer pipe, third is equipped between the first connecting tube and the second broken case side wall and is connected
Pipe is crushed between case in the first end and third of sweep-up pipe and is equipped with the 4th connecting tube.
Further, third is crushed the underface that case is located at the first broken case.
The beneficial effects of the present invention are: a kind of environmentally friendly In Mine Crusher provided by the invention, may be implemented three to ore
Grade is broken, is crushed by three-level, good crushing effect.The dust of generation can be sucked water tank by the setting of sweep-up pipe, suction ventilator
It is interior, and then avoid dust raising phenomenon.In addition, the setting of air blower, dust can be pushed down, and then avoid fugitive dust.
Detailed description of the invention
Fig. 1 is appearance schematic diagram of the invention；
Fig. 2 is schematic diagram of internal structure of the present invention；
In figure: 1 rack, 11 outlets, 12 dust-proof cushions, 13 air blowers, 14 air ports, 2 first broken casees, 21 first blanking ports, 22 the
One suction inlet, 23 first breaker rolls, 24 first crushing teeths, 3 first delivery boards, 31 through-holes, 4 second broken casees, 41 second blankings
Mouth, 42 second suction inlets, 43 second breaker rolls, 44 second crushing teeths, 5 second delivery boards, 6 thirds are crushed case, 61 third blankings
Mouthful, 62 third suction inlets, 63 third breaker rolls, 64 third crushing teeths, 7 transfer pipes, 71 the 4th suction inlets, 8 sweep-up pipes, 81 first
Connecting tube, 82 second connecting tubes, 83 third connecting tubes, 84 the 4th connecting tubes, 85 suction ventilators, 86 delivery pipes, 87 water tanks, 88 water, 9
Conveyer, 91 brackets.
Specific embodiment
As shown in Figure 1 to Figure 2, the invention mainly comprises rack 1, the first fragmentation cell, the second fragmentation cell, third are broken
Unit, the first delivery board 3, the second delivery board 5, cleaner unit and conveyer 9 with reference to the accompanying drawing retouch the present invention in detail
It states.
As shown in Figure 1, rack 1 is basic components and load bearing component of the invention, other structures portion is installed on the rack
Part.It is equipped with outlet 11 in the lower part of rack front side wall, the ore (such as raw coal) after crushing removes rack through outlet.
As shown in Fig. 2, being equipped with the first fragmentation cell on the top of rack inner cavity, the first fragmentation cell includes being fixed on rack
The broken case 2 of the first of top, is fixed on the first breaker roll at the first breaker roll of a pair 23 being rotatably installed in the first broken case
Several first crushing teeths 24 on circular outer wall are equipped with the first blanking port 21 in the bottom of the first broken case, in the first broken case
Side wall be equipped with the first suction inlet 22.First broken case is the pyramidal structure that upper end is big, lower end is small, in use, broken from first
Ore is added in the top of broken case.The direction of rotation of two first breaker rolls is right on the contrary, first breaker roll in i.e. left side rotates clockwise
First breaker roll of side rotates counterclockwise.Primary fragmentation is carried out to ore by two first breaker rolls.
It is equipped with the second fragmentation cell at the middle part of rack inner cavity, the second fragmentation cell includes be fixed on central rack second
Broken case 4, is fixed on the second breaker roll circular outer wall the second breaker roll of a pair 43 being rotatably installed in the second broken case
Several second crushing teeths 44, the bottom of the second broken case be equipped with the second blanking port 41, set on the side wall of the second broken case
There is the second suction inlet 42.Second broken case is the pyramidal structure that upper end is big, lower end is small, the direction of rotation phase of two second breaker rolls
Instead, i.e. second breaker roll in left side rotates clockwise, and second breaker roll on right side rotates counterclockwise.Between between second breaker roll
Away from less than the spacing between the first breaker roll, the second breaker roll can carry out second-time breakage to ore, and pass through the second breaker roll
Effect ore be broken it is smaller.
The first delivery board 3 is equipped between the bottom of the first broken case and the top of the second broken case, the first delivery board inclines
Tiltedly setting, the upper end of the first delivery board are contacted with the bottom of the first broken case, and it is broken that the lower end of the first delivery board is placed in left side second
It the top of broken roller and is fixedly connected with rack, is equipped with several through-holes 31 in the top of the first delivery board, it is broken that through-hole is located at first
Below case, the first breaker roll falls after the small rock fragments generated after ore reduction are passed through through-hole.First breaker roll is by mine
After stone carries out primary fragmentation, big rock fragments are tumbled along the first delivery board to the second broken case under self gravitation effect.
It is equipped with third fragmentation cell at the middle part of rack inner cavity, third fragmentation cell includes the third for being fixed on frame lower
Broken case 6, is fixed on third breaker roll circular outer wall a pair of of the third breaker roll 63 being rotatably installed in the broken case of third
Several third crushing teeths 64, third be crushed case bottom be equipped with third blanking port 61, set on the side wall that third is crushed case
There is third suction inlet 62.It is the pyramidal structure that upper end is big, lower end is small, the direction of rotation phase of two third breaker rolls that third, which is crushed case,
Instead, i.e. the third breaker roll in left side rotates clockwise, and the third breaker roll on right side rotates counterclockwise.Between two third breaker rolls
Spacing is less than the spacing size between the second breaker roll, in this way compared to the second breaker roll, third breaker roll can to ore into
Row is more thoroughly broken.
It is crushed between case in the second broken case and third and is equipped with the second delivery board 5, the second delivery board is obliquely installed, and second is defeated
The upper end of plate and the bottom of the second broken case is sent to contact, the lower end of the second delivery board is placed in the top of right side third breaker roll, the
The rock fragments dropped out in sledging case are fallen on the second delivery board, are then transferred to third along the second delivery board and are crushed in case,
Third breaker roll carries out tertiary crushing to ore.It is crushed between case in the first broken case and third and is equipped with transfer pipe 7, transfer pipe
Upper end is connected to the first blanking port, and the lower end of transfer pipe is crushed box top with third and is connected to.The 4th is equipped in transfer pipe side wall to inhale
Dirt mouth 71.
It is equipped with conveyer 9 in the lower section of third breaker roll, conveyer is mounted on bracket 91, through smashed ore three times
Fragment is fallen on a conveyor, removes rack through conveyer.
In rack be equipped with sweep-up pipe 8, between sweep-up pipe first end and the first suction inlet be equipped with the first connecting tube 81, first
It is equipped with the second connecting tube 82 between connecting tube and the 4th suction inlet, third is equipped between the first connecting tube and the second suction inlet and is connected
Pipe 83 is equipped with the 4th connecting tube 84 between sweep-up pipe and third suction inlet.The second end of sweep-up pipe is connect with suction ventilator 85, air draught
Machine is equipped with delivery pipe 86.It is equipped with water tank 87 in frame side wall, fills water 8 in water tank, the lower part of delivery pipe is protruded into water tank.The
Dust in one broken case can enter sweep-up pipe through the first connecting tube, and the dust in the second broken case can be through third connecting tube
Into sweep-up pipe, the dust that third is crushed in case can enter sweep-up pipe through the 4th connecting tube, and the dust in transfer pipe can be through
Second connecting tube enters sweep-up pipe, and the dust in sweep-up pipe is drawn in delivery pipe, eventually enters into water tank by suction ventilator, and and water
It is sunken to the bottom in conjunction with after or is mixed with water, and then avoids dust raising phenomenon.
To prevent the dust in the second broken case from flying out, the air blower being located above the second broken case is equipped in frame inner wall
13, air blower is equipped with air port 14, air port the second broken case of direction.Air blower can blow out air-flow, be applied to by air port
In sledging case, prevent the dust in the second broken case from flying out.Dust-proof cushion 12 is set at the top of rack inner cavity, dust-proof cushion is from upper
Side realizes rack inner cavity and closes, and prevents dust from flying out rack from top.
Claims (6)
1. a kind of environmental protection In Mine Crusher, including rack, characterized in that further include:
First fragmentation cell, it is arranged on the rack portion, including the first broken case, a pair first being arranged in the first broken case
Breaker roll, it is broken for carrying out level-one to ore；
Second fragmentation cell, it is arranged in central rack, including the second broken case, a pair second being arranged in the second broken case
Breaker roll, for carrying out two-stage crushing to ore；
First delivery board, it is inclined between the bottom of the first broken case and the top of the second broken case, in the first conveying
The upper end of plate is equipped with several through-holes；
Third fragmentation cell, it is arranged in frame lower, is crushed case including third, a pair of of third that third is crushed in case is arranged in
Breaker roll, it is broken for carrying out three-level to ore；
Second delivery board, the bottom and third that it is inclined at the second broken case are crushed between the top of case；
Transfer pipe, the upper end of transfer pipe are connected to the first broken case, and the lower end of transfer pipe is crushed case with third and is connected to；
Sweep-up pipe, the first end of sweep-up pipe is crushed case with the first broken case, the second broken case, third and transfer pipe is connected to, and inhales
The second end of dirt pipe is connect with suction ventilator, and suction ventilator is equipped with delivery pipe, and the lower end of delivery pipe is protruded into the water tank for filling water；
Conveyer, setting are crushed below case in third, and the ores lifting being crushed by three-level is gone out on the inside of rack.
2. a kind of environmentally friendly In Mine Crusher according to claim 1, characterized in that be equipped at the top of rack inner cavity dust-proof
Pad, dust-proof cushion realize the closing to rack inner cavity from top.
3. a kind of environmentally friendly In Mine Crusher according to claim 2, characterized in that air blower is equipped in rack inner cavity,
Air blower is equipped with outlet, and outlet is located above the second broken case and the second broken case of direction.
4. a kind of environmentally friendly In Mine Crusher according to claim 1, characterized in that the spacing between two first breaker rolls is big
Spacing between two second breaker rolls, the spacing between two second breaker rolls are greater than the spacing between two third breaker rolls.
5. a kind of environmentally friendly In Mine Crusher according to claim 1, characterized in that broken in the first end of sweep-up pipe and first
It is equipped with the first connecting tube between broken case side wall, the second connecting tube is equipped between the first connecting tube and transfer pipe, in the first connection
It is equipped with third connecting tube between pipe and the second broken case side wall, is crushed between case in the first end and third of sweep-up pipe and is equipped with the 4th
Connecting tube.
6. a kind of environmentally friendly In Mine Crusher according to claim 5, characterized in that third is crushed case and is located at the first broken case
Underface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841884.6A CN110394210A (en) | 2019-09-06 | 2019-09-06 | A kind of environmental protection In Mine Crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841884.6A CN110394210A (en) | 2019-09-06 | 2019-09-06 | A kind of environmental protection In Mine Crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110394210A true CN110394210A (en) | 2019-11-01 |
Family
ID=68328402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910841884.6A Pending CN110394210A (en) | 2019-09-06 | 2019-09-06 | A kind of environmental protection In Mine Crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110394210A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453062A (en) * | 2022-02-13 | 2022-05-10 | 新沂市恒盛石英制品厂 | Quartz sand serialization hierarchical crushing apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080185464A1 (en) * | 2006-02-17 | 2008-08-07 | Nitta Alfred T | Dust control system and method for a straw blower |
| CN201862330U (en) * | 2010-11-15 | 2011-06-15 | 广东翔龙科技股份有限公司 | Dust removing device of ore crushing system |
| WO2012151641A1 (en) * | 2011-05-12 | 2012-11-15 | Mclanahan Corporation Pty Ltd | Crushing apparatus and method |
| CN206778543U (en) * | 2017-06-01 | 2017-12-22 | 河南省净寰新能源科技有限公司 | A kind of chemical spent material apparatus for crushing and treating |
| CN208612546U (en) * | 2018-04-12 | 2019-03-19 | 山东植益源健康科技有限公司 | A kind of efficient jerusalem artichoke grinding device |
| CN109513479A (en) * | 2018-11-12 | 2019-03-26 | 南京瑞泰水泥制造设备有限公司 | A kind of grate-cooler clinker graded crushing device |
-
2019
- 2019-09-06 CN CN201910841884.6A patent/CN110394210A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080185464A1 (en) * | 2006-02-17 | 2008-08-07 | Nitta Alfred T | Dust control system and method for a straw blower |
| CN201862330U (en) * | 2010-11-15 | 2011-06-15 | 广东翔龙科技股份有限公司 | Dust removing device of ore crushing system |
| WO2012151641A1 (en) * | 2011-05-12 | 2012-11-15 | Mclanahan Corporation Pty Ltd | Crushing apparatus and method |
| CN206778543U (en) * | 2017-06-01 | 2017-12-22 | 河南省净寰新能源科技有限公司 | A kind of chemical spent material apparatus for crushing and treating |
| CN208612546U (en) * | 2018-04-12 | 2019-03-19 | 山东植益源健康科技有限公司 | A kind of efficient jerusalem artichoke grinding device |
| CN109513479A (en) * | 2018-11-12 | 2019-03-26 | 南京瑞泰水泥制造设备有限公司 | A kind of grate-cooler clinker graded crushing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453062A (en) * | 2022-02-13 | 2022-05-10 | 新沂市恒盛石英制品厂 | Quartz sand serialization hierarchical crushing apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191101 |