CN109603974A - One kind having sorting function kibbler roll - Google Patents
One kind having sorting function kibbler roll Download PDFInfo
- Publication number
- CN109603974A CN109603974A CN201811513896.8A CN201811513896A CN109603974A CN 109603974 A CN109603974 A CN 109603974A CN 201811513896 A CN201811513896 A CN 201811513896A CN 109603974 A CN109603974 A CN 109603974A
- Authority
- CN
- China
- Prior art keywords
- transport tube
- case
- screening
- servo motor
- bottom end
- 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
- 238000012216 screening Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 5
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- 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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
-
- 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
- B02C4/40—Detachers, e.g. scrapers
-
- 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
- B02C4/42—Driving mechanisms; Roller speed control
-
- 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)
- Combined Means For Separation Of Solids (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
One kind having sorting function rod formula crusher, including being crushed case, breaker roll is installed in the broken case, breaker roll sets there are two altogether and is oppositely arranged, servo motor is installed on the side outer wall of broken case, the output end of servo motor is connected with breaker roll, the bottom end of broken case is connected with screening case, the bottom end of screening case is equipped with the first transport tube, auger is installed in first transport tube, the bottom end of first transport tube is equipped with filter screen, the bottom end of screening case is connected with conveying box, the bottom of conveying box is equipped with the second transport tube, auger is installed in first transport tube and the second transport tube, one end of first transport tube and the second transport tube is equipped with servo motor, servo motor respectively with the first transport tube, auger in second transport tube is connected.The present invention carries out screening while discharging and improves beneficiating efficiency.
Description
Technical field
The present invention relates to a kind of ore dressing crushing device technology, specially one kind has sorting function rod formula crusher.
Background technique
Kibbler roll is one kind of crusher, is suitable in cement, chemical industry, electric power, metallurgy, building materials, refractory material etc.
Industrial department and ore dressing are crushed medium-hard material, are made of the part such as breaker roll, driving device, pass through after broken
The screening plants such as strainer are sieved.
Existing roll crushing screening machine in use, falls naturally generally by material and carries out on filter screen
Screening, discharges, defect is that speed is slower again later.
Summary of the invention
The purpose of the present invention is to provide one kind sorting function rod formula crusher, is improved by structure, improves existing
Roll crushing screening machine in use, is passively fallen naturally and is sieved on filter screen by object, discharging speed compared with
Slow problem.
The present invention is implemented as follows:
One kind having sorting function rod formula crusher, including broken case, is equipped with breaker roll in the broken case, breaker roll is equipped with altogether
It two and being oppositely arranged, servo motor is installed on the side outer wall of broken case, the output end of servo motor is connected with breaker roll,
The bottom end of broken case is connected with screening case, and the bottom end for sieving case is equipped with the first transport tube, is equipped with auger in the first transport tube,
One end of first transport tube passes through screening case, and one end bottom that the first transport tube passes through screening case is connected with the first material-falling hopper, the
The top of one material-falling hopper is run through with the first transport tube, and the first transport tube is located at the operative tip of screening case and lower end opens, the
The bottom end of one transport tube is equipped with filter screen, and the bottom end for sieving case is connected with conveying box, and the bottom end of conveying box is arc-shaped setting,
The bottom of conveying box is equipped with the second transport tube, and one end of the second transport tube passes through screening case, and the second transport tube passes through screening case
One end bottom be connected with the second material-falling hopper, auger, the first transport tube and are installed in first transport tube and the second transport tube
One end of two transport tubes is equipped with servo motor, and the first transport tube is opposite positioned at screening case with the servo motor on the second transport tube
Two sides, servo motor is connected with the auger in the first transport tube, the second transport tube respectively.
Further described one kind has sorting function rod formula crusher, it is characterized in that: at the top center of the broken case
Feed pipe is installed, the bottom end of the feed pipe and broken case penetrate through.
Further described one kind has sorting function rod formula crusher, it is characterized in that: the two sides of the screening case are equipped with
Support column, the support column set there are four altogether and are distributed in four corners of rectangle.
Further described one kind has sorting function rod formula crusher, it is characterized in that: the outer wall two sides of the broken case are pacified
Equipped with adjusting bracket and fixed frame, adjusting bracket and fixed frame are oppositely arranged, and handle bolt is equipped on adjusting bracket, and handle bolt passes through
Screw thread is connected with adjusting bracket, and one end of handle bolt and fixed frame are equipped with fixed column in face of the side of adjusting bracket, fixed column
Shape is truncated cone-shaped.
Further described one kind has sorting function rod formula crusher, it is characterized in that: installing between adjusting bracket and fixed frame
Have a scraper plate mounting blocks, the two sides of scraper plate mounting blocks offer fixation hole, the shape of fixation hole be truncated cone-shaped and with fixed column phase
Match, scraper plate is connected on mounting blocks, scraper plate passes through broken case.
Further one kind has sorting function rod formula crusher, it is characterized in that: first transport tube bottom and second defeated
It send cylinder overlapping to communicate part and is provided with vibrating screen, vibrating screen one end is connect with vibrating motor, and vibrating motor is mounted on outside screening case
Table, vibrating screen longitudinal direction both sides are equipped with sliding block, and sliding block is flexibly connected with the sliding rail being mounted on screening case, are used for support vibrating screen,
Vibrating screen both ends are equipped with cover board, and cover board is connected on screening case, and vibrating screen is of reciprocating vibration in cover board lower part, to prevent material direct
Lower leakage and feed blocking vibrating screen rail.
Compared with prior art, the beneficial effects of the present invention are:
(1), the conveying auger in the first transport tube was carried out while drive material screw, discharging by filter screen
Filter, material spiral under the drive of conveying auger are overturn, and filter effect is good and discharging speed is fast.
(2), the distance between two fixed columns are adjusted by the handle bolt on adjusting bracket, is pressed on scraper plate mounting blocks
In fixation hole, the position of fixed scraper plate can be more convenient to use from the external replacement scraper plate of broken case.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described.
Fig. 1 is front section view of the invention；
Fig. 2 is side sectional view of the invention；
Fig. 3 is the connection enlarged diagram of scraper plate of the present invention Yu scraper plate mounting blocks；
Fig. 4 is the installation enlarged diagram of scraper plate mounting blocks of the present invention；
Fig. 5 is vibrating motor of the present invention, vibrating screen, cover board installation site amplification schematic top plan view
Fig. 6 is present invention screening case, vibrating screen, cover board installation sectional position amplification schematic top plan view
In figure: 1, feed pipe；2, breaker roll；3, scraper plate mounting blocks；4, conveying auger；5, the first transport tube；6, the first material-falling hopper；
7, it is crushed case；8, scraper plate；9, case is sieved；10, servo motor；11, filter screen；12, the second transport tube；13, the second material-falling hopper；
14, support column；15, conveying box；16, fixation hole；17, adjusting bracket；18, handle bolt；19, fixed column；20, fixed frame；21, it shakes
Dynamic motor；22, vibrating screen 22；23, cover board.
Specific embodiment
Referring to Fig.1 shown in -4, one kind having sorting function rod formula crusher, including broken case 7, is crushed the top center of case 7
Place is equipped with feed pipe 1, and the bottom end of feed pipe 1 and broken case 7 penetrate through, and is equipped with breaker roll 2 in broken case 7, breaker roll 2 is set altogether
There are two and be oppositely arranged, servo motor 10 is installed, the output end of servo motor 10 and broken on the side outer wall of broken case 7
Roller 2 is connected, and the bottom end of broken case 7 is connected with screening case 9, and the two sides of screening case 9 are equipped with support column 14, and support column 14 is equipped with altogether
Four and four corners of rectangle are distributed in, the bottom end of screening case 9 is equipped with the first transport tube 5, installation in the first transport tube 5
There is an auger 4, one end of the first transport tube 5 passes through screening case 9, and one end bottom that the first transport tube 5 passes through screening case 9 is connected with the
One material-falling hopper 6, the top of the first material-falling hopper 6 are run through with the first transport tube 5, and the first transport tube 5 is located at the operative tip of screening case 9
Open with lower end, the bottom end of the first transport tube 5 is equipped with filter screen 11, and the conveying auger 4 in the first transport tube 12 is with animal
Expect screw, be filtered by filter screen 11 while discharging, the bottom end of screening case 9 is connected with conveying box 15, conveying box
15 bottom end is arc-shaped setting, and the bottom of conveying box 15 is equipped with the second transport tube 12, and one end of the second transport tube 12 passes through
Case 9 is sieved, one end bottom that the second transport tube 12 passes through screening case 9 is connected with the second material-falling hopper 13, the first transport tube 5 and second
Auger 4 is installed, one end of the first transport tube 5 and the second transport tube 12 is equipped with servo motor 10, and first is defeated in transport tube 12
Cylinder 5 and the servo motor 10 on the second transport tube 12 is sent to be located at the opposite two sides of screening case 9, servo motor 10 is defeated with first respectively
Cylinder 5, the auger 4 in the second transport tube 12 is sent to be connected, the outer wall two sides of broken case 7 are equipped with adjusting bracket 17 and fixed frame 20, adjust
Section frame 17 and fixed frame 20 are oppositely arranged, and handle bolt 18 are equipped on adjusting bracket 17, handle bolt 18 is by screw thread and adjusts
Frame 17 is connected, and one end of handle bolt 18 and fixed frame 20 are equipped with fixed column 19, fixed column 19 in face of the side of adjusting bracket 17
Shape be truncated cone-shaped, the distance between two fixed columns 19 are adjusted by handle bolt 18 on adjusting bracket 17, is pressed on and scrapes
In the fixation hole 16 of plate mounting blocks 3, scraper plate mounting blocks 3 are installed between adjusting bracket 17 and fixed frame 20, the two of scraper plate mounting blocks 3
Side offers fixation hole 16, and the shape of fixation hole 16 is truncated cone-shaped and matches with fixed column 19, is connected with scraper plate on mounting blocks 3
8, scraper plate 8 passes through broken case 7.First transport tube, 5 bottom part that communicates Chong Die with the second transport tube 12 is provided with vibrating screen
22,22 one end of vibrating screen is connect with vibrating motor 21, and vibrating motor 21 is mounted on screening 9 appearance of case, the longitudinal both sides of vibrating screen 22
Equipped with sliding block, sliding block is flexibly connected with the sliding rail being mounted on screening case 9, is used for support vibrating screen 22,22 both ends of vibrating screen are set
There is cover board 23, cover board 23 is connected on screening case 9, and vibrating screen 22 is of reciprocating vibration in 23 lower part of cover board, and cover board 23 is to prevent object
The directly lower leakage of material and feed blocking vibrating screen rail.
Working principle of the present invention is as follows:
Material is entered in broken case 7 by feed pipe 1, and servo motor 10 drives breaker roll 2 to be crushed, the scraper plate on scraper plate 8
Mounting blocks 3 are mounted between adjusting bracket 17 and fixed frame 20, adjust two fixed columns by the handle bolt 18 on adjusting bracket 17
The distance between 19, it is pressed in the fixation hole 16 of scraper plate mounting blocks 3, scraper plate 8 is fixed, scraper is carried out to breaker roll 2, is broken
Material after broken is fallen into the first transport tube 5, and conveying auger 4 in the first transport tube 12 drives material screw, particle compared with
The filter screen 11 that small material passes through 5 bottom end of the first transport tube enters in the second transport tube 12, and the biggish material of particle is conveyed
Auger 4 drives from the first material-falling hopper 6 and discharges, and the conveying auger 4 in the second transport tube 12 drives material to go out from the second material-falling hopper 13
Material.
Claims (6)
1. one kind has sorting function rod formula crusher, including broken case, breaker roll is installed in the broken case, breaker roll is set altogether
There are two and be oppositely arranged, servo motor, output end and the breaker roll phase of servo motor are installed on the side outer wall of broken case
Even, the bottom end of broken case is connected with screening case, and the bottom end for sieving case is equipped with the first transport tube, and strand is equipped in the first transport tube
Dragon, one end of the first transport tube pass through screening case, and one end bottom that the first transport tube passes through screening case is connected with the first material-falling hopper,
The top of first material-falling hopper is run through with the first transport tube, and the first transport tube is located at the operative tip of screening case and lower end opens,
The bottom end of first transport tube is equipped with filter screen, and the bottom end for sieving case is connected with conveying box, and the bottom end of conveying box is arc-shaped sets
It sets, the bottom of conveying box is equipped with the second transport tube, and one end of the second transport tube passes through screening case, and the second transport tube passes through screening
One end bottom of case is connected with the second material-falling hopper, is equipped with auger in the first transport tube and the second transport tube, the first transport tube with
One end of second transport tube is equipped with servo motor, and the first transport tube is located at screening case phase with the servo motor on the second transport tube
Pair two sides, servo motor is connected with the auger in the first transport tube, the second transport tube respectively.
2. one kind has sorting function rod formula crusher according to claim 1, it is characterized in that: the top center of the broken case
Place is equipped with feed pipe, and the bottom end of the feed pipe and broken case penetrate through.
3. one kind has sorting function rod formula crusher according to claim 1, it is characterized in that: the two sides installation of the screening case
There is support column, the support column sets there are four altogether and is distributed in four corners of rectangle.
4. one kind has sorting function rod formula crusher according to claim 1, it is characterized in that: the outer wall two sides of the broken case
Adjusting bracket and fixed frame are installed, adjusting bracket and fixed frame are oppositely arranged, and handle bolt is equipped on adjusting bracket, and handle bolt is logical
It crosses screw thread to be connected with adjusting bracket, one end of handle bolt and fixed frame are equipped with fixed column, fixed column in face of the side of adjusting bracket
Shape be truncated cone-shaped.
5. one kind has sorting function rod formula crusher according to claim 1, it is characterized in that: pacifying between adjusting bracket and fixed frame
Equipped with scraper plate mounting blocks, the two sides of scraper plate mounting blocks offer fixation hole, the shape of fixation hole be truncated cone-shaped and with fixed column phase
It matches, scraper plate is connected on mounting blocks, scraper plate passes through broken case.
6. one kind has sorting function rod formula crusher according to claim 1, it is characterized in that: first transport tube bottom with
The overlapping of second transport tube communicates part and is provided with vibrating screen, and vibrating screen one end is connect with vibrating motor, and vibrating motor is mounted on sieve
Branch mailbox appearance, vibrating screen longitudinal direction both sides are equipped with sliding block, and sliding block is flexibly connected with the sliding rail being mounted on screening case, shakes for support
Dynamic sieve, vibrating screen both ends are equipped with cover board, and cover board is connected on screening case, and vibrating screen is of reciprocating vibration in cover board lower part, to prevent object
The directly lower leakage of material and feed blocking vibrating screen rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513896.8A CN109603974A (en) | 2018-12-11 | 2018-12-11 | One kind having sorting function kibbler roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513896.8A CN109603974A (en) | 2018-12-11 | 2018-12-11 | One kind having sorting function kibbler roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109603974A true CN109603974A (en) | 2019-04-12 |
Family
ID=66008038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811513896.8A Pending CN109603974A (en) | 2018-12-11 | 2018-12-11 | One kind having sorting function kibbler roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109603974A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722693A (en) * | 2019-09-29 | 2020-01-24 | 东宸环保装备制造有限公司 | A hierarchical formula mineral substance extraction element for among marble cutting sewage |
| CN110884538A (en) * | 2019-11-27 | 2020-03-17 | 宝鸡市捷龙商贸有限公司 | Transfer device for coal mine processing |
| CN111036341A (en) * | 2020-02-18 | 2020-04-21 | 深圳市科建建设集团有限公司 | Building rubbish environmental protection processing apparatus |
| CN112237980A (en) * | 2020-09-27 | 2021-01-19 | 赣州博立科技有限公司 | High-efficient broken screening plant of tungsten carbide powder |
| CN113976220A (en) * | 2020-11-21 | 2022-01-28 | 株洲天桥舜臣选煤机械有限责任公司 | Broken dust collecting equipment of mine building stones |
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| CN204017894U (en) * | 2014-08-15 | 2014-12-17 | 安徽东电电子科技有限公司 | A kind of automatic cleaning disintegrating machine |
| CN205868768U (en) * | 2016-07-22 | 2017-01-11 | 天津市新世纪苗木种植专业合作社 | Chemical fertilizer breaker |
| CN206492553U (en) * | 2017-01-17 | 2017-09-15 | 镇江市丰泰化验制样设备有限公司 | A kind of viscous glutinous thing cleaning plant in crusher roller surface |
| CN206899578U (en) * | 2017-05-27 | 2018-01-19 | 四川双龙实业有限公司 | A kind of energy-efficient disintegrating apparatus |
| CN207401535U (en) * | 2017-09-29 | 2018-05-25 | 天津丰千生物科技有限公司 | A kind of alkaline land improving organic fertilizer separation sieve apparatus |
| WO2018120114A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市玖创科技有限公司 | Two-stage screening device for lithium battery negative electrode material |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204017894U (en) * | 2014-08-15 | 2014-12-17 | 安徽东电电子科技有限公司 | A kind of automatic cleaning disintegrating machine |
| CN205868768U (en) * | 2016-07-22 | 2017-01-11 | 天津市新世纪苗木种植专业合作社 | Chemical fertilizer breaker |
| WO2018120114A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市玖创科技有限公司 | Two-stage screening device for lithium battery negative electrode material |
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| CN207401535U (en) * | 2017-09-29 | 2018-05-25 | 天津丰千生物科技有限公司 | A kind of alkaline land improving organic fertilizer separation sieve apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722693A (en) * | 2019-09-29 | 2020-01-24 | 东宸环保装备制造有限公司 | A hierarchical formula mineral substance extraction element for among marble cutting sewage |
| CN110884538A (en) * | 2019-11-27 | 2020-03-17 | 宝鸡市捷龙商贸有限公司 | Transfer device for coal mine processing |
| CN111036341A (en) * | 2020-02-18 | 2020-04-21 | 深圳市科建建设集团有限公司 | Building rubbish environmental protection processing apparatus |
| CN112237980A (en) * | 2020-09-27 | 2021-01-19 | 赣州博立科技有限公司 | High-efficient broken screening plant of tungsten carbide powder |
| CN113976220A (en) * | 2020-11-21 | 2022-01-28 | 株洲天桥舜臣选煤机械有限责任公司 | Broken dust collecting equipment of mine building stones |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20190412 |