CN107081256A - A kind of coal separation device of screening coal - Google Patents
A kind of coal separation device of screening coal Download PDFInfo
- Publication number
- CN107081256A CN107081256A CN201710274437.8A CN201710274437A CN107081256A CN 107081256 A CN107081256 A CN 107081256A CN 201710274437 A CN201710274437 A CN 201710274437A CN 107081256 A CN107081256 A CN 107081256A
- Authority
- CN
- China
- Prior art keywords
- main box
- coal
- horizontal segment
- tilting section
- chip microcomputer
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 69
- 238000012216 screening Methods 0.000 title claims abstract description 20
- 238000000926 separation method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 3
- 239000003818 cinder Substances 0.000 abstract description 23
- 238000012545 processing Methods 0.000 abstract description 3
- 210000003739 neck Anatomy 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001429 stepping effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller 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
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of coal separation device of screening coal, including main box, main box upper surface is made up of the opening of tilting section and horizontal segment, and angle is 150 degree between tilting section and horizontal segment, and the bottom of tilting section smoothly connects with horizontal segment；The both sides of main box upper end have been fixedly connected with steel pipe, and steel pipe is mutually fixed with tilting section and horizontal segment；Rolled between two steel pipes and be connected with multiple roll shafts, spacing of the two neighboring roll shaft between tilting section to horizontal segment increases successively, and multiple rows of projection is installed with the side of each roll shaft；Stepper motor and single-chip microcomputer are equipped with control, single-chip microcomputer input is connected with four button signals, single-chip microcomputer input control stepper motor driver is driven to stepper motor；Different coal cinder sizes can be classified, accurate and operating rate controllable of classifying, efficiency of screening coal is greatly promoted, and classification processing disposably can be carried out to more coal cinder.
Description
Technical field
Screened coal technical field, specially a kind of coal separation device of screening coal the present invention relates to colliery.
Background technology
Colliery be the mankind in the region of the mining area exploitation coal resources rich in coal, be generally divided into underground mine and outdoor coal
Ore deposit.When coal seam is remote from earth's surface, it is typically chosen to underground and digs tunnel digging coal, this is underground mine.When coal seam is away from earth's surface
Distance it is close when, be typically chosen directly peel off surface soil layer excavate coal, this is open coal mine.China's overwhelming majority colliery category
In underground mine.
Before with coal, very necessary is screened to different size of coal cinder, because the mating surface between coal cinder should
The gas porosity of coal cinder is basically identical, and the size of different coal cinders may there is different gas porositys, and identical coal cinder is divided
Utilization of the class to resource is highly beneficial.Also have much to the screening plant of coal cinder size at present, but divide to different coal cinders
There is the classification low shortcoming of inaccurate, efficiency in class；And traditional device of screening coal is difficult disposably to carry out at substantial amounts of colliery
Reason, very big inconvenience is brought to practical operation.
The content of the invention
For problem above, the invention provides a kind of coal separation device of screening coal, different coal cinder sizes can be divided
Class, accurate and operating rate controllable of classifying, efficiency of screening coal is greatly promoted, and disposably more coal cinder can be classified
Processing, the problem of effectively can solving in background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of coal separation device of screening coal, including main box,
The main box upper surface is made up of the opening of tilting section and horizontal segment, and angle is 150 degree between the tilting section and horizontal segment,
And the bottom of tilting section smoothly connects with horizontal segment；The both sides of the main box upper end have been fixedly connected with steel pipe, the steel pipe
Mutually fixed with tilting section and horizontal segment；Rolled between two steel pipes and be connected with multiple roll shafts, the two neighboring roller
Spacing of the axle between tilting section to horizontal segment increases successively, and is installed with multiple rows of projection on the side of each roll shaft；By colliery
Rolled from the roll shaft of main box upper end tilting section, it is so smaller with regard to that can allow because spacing sets to increase successively
Coal cinder is dropped into main box first；Projection on roll shaft can be held up and be extruded to coal cinder, facilitate coal cinder being transmitted across
It will not be blocked in journey at two roll shafts, fortune coal speed is effectively lifted；
The top of main box upper surface tilting section is fixed with demountable panel, the demountable panel two ends respectively with two
Weld the steel pipe side；Hang plate is fixedly connected with the demountable panel；Colliery is poured into from hang plate, by removable
Unload plate colliery is transferred on first roll shaft and be driven；
Control cabinet is installed with the main box, the control cabinet outer surface is provided with display screen and four buttons；
Stepper motor and single-chip microcomputer are equipped with the control, the single-chip microcomputer input is connected with four button signals, described
Single-chip microcomputer input control stepper motor driver is driven to stepper motor；The stepper motor and the single-chip microcomputer lead to
Cross plug to be powered, the plug input between voltage stabilizing chip and the single-chip microcomputer by electrically connecting；Each steel pipe
Three electronic runners are inside embedded with, are electrically connected between the electronic runner and the stepper motor by electric wire, two neighboring institute
State between electronic runner by transmission belt connect and while rolling；Multiple retainer plates, the retainer plate are installed in the steel pipe
Fixed by screw with steel pipe inner wall, the retainer plate outside slidably connects turning collar；Filled out between retainer plate and turning collar
Filled with multiple pellets；The roll shaft two ends are installed with bearing, are fixedly connected between the bearing and the turning collar, described to rotate
Circle is connected with being slided between transmission belt；The stepper motor and single-chip microcomputer in main box are powered by plug, voltage stabilizing chip
To alternating current can be converted to 5V direct current using the principle of decompression and voltage stabilizing successively, be single-chip microcomputer progress
Voltage stabilizing is powered；By the operation of four buttons, control instruction is received using single-chip microcomputer and stepper motor is further controlled
Driver works, and is regulated and controled using pulse signal come the speed to stepper motor；Then by the electronic runner of driving stepper motor
Rotated, drive the rolling of transmission belt that the multiple turning collars being slidably connected on the belt are rotated；Turning collar with it is corresponding
The bearing of roll shaft is fixed, and turning collar is fixed on certain further through retainer plate, just can the rotation with action roller shaft, promote coal cinder before
Enter；.
As a kind of preferred technical scheme of the present invention, the demountable panel is removably fixed with hang plate to be connected
Connect, the inclination fragment position of the demountable panel towards the main box is fixedly connected with the downside of closing steel plate, the closing steel plate
The lower section of position first roll shaft on tilting section；The design of steel plate lower position lower section of first roll shaft on tilting section is closed,
Coal cinder can be prevented effectively to block the interval of first roll shaft.
As a kind of preferred technical scheme of the present invention, the hang plate bottom passes through fix bar and the rear end side of main box
Face is fixedly connected；Good supporting role is played to hang plate.
As a kind of preferred technical scheme of the present invention, three collection frames, adjacent collector frame are installed in the main box
Between blocked by plugging plate；The side of the main box is provided with three pulling blocks, and each pulling block two ends are equal
Fastened by the neck latched with being arranged on the main box, each pulling block is fixed with corresponding collection frame to be connected
Connect；Open the lock that engage with neck, can pulling block, realize to collecting frame pull-out, coal cinder progress that can be to classification
Collect.
As a kind of preferred technical scheme of the present invention, the front end of the main box horizontal segment is closed by baffle plate, described
Baffle plate can mutually be adsorbed by two screwed holes of two through holes with being fixedly connected on main box being installed in thereon；The gear
It can be rotated between plate and the main box by tumbler；It can be consolidated using fixture through through hole and screwed hole
It is fixed, while fixture can also be dismantled, the opening of baffle plate is realized, it is convenient to being checked in main box.
As a kind of preferred technical scheme of the present invention, the display screen be each button with the single-chip microcomputer it
Between signal connect, startup, stopping and the speed of four button control stepper motors；Stepper motor can be observed by display screen
Working condition, regulated and controled by button.
As a kind of preferred technical scheme of the present invention, the plug output end and stepper motor and voltage stabilizing chip junction
Earth leakage protective device is installed；Play good earth leakage protective effect.
As a kind of preferred technical scheme of the present invention, the front end of two steel pipes and horizontal segment on main box passes through guarantor
Dangerous bar is fixedly connected, and prevents the colliery of bulk to main box forward ends thereof.
Compared with prior art, the beneficial effects of the invention are as follows：Different coal cinder sizes can be classified, classification is accurate
And operating rate controllable, efficiency of screening coal is greatly promoted, and disposably can carry out classification processing to more coal cinder, aspect
The operation of user.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is roll shaft enlarged drawing in the present invention；
Fig. 3 is steel duct schematic diagram in the present invention；
Fig. 4 is control cabinet chain of command schematic diagram in the present invention；
Fig. 5 is control cabinet schematic internal view in the present invention；
Fig. 6 is main box schematic internal view in the present invention.
In figure：1- main boxes；2- hang plates；3- fix bars；4- control cabinets；5- plugs；6- demountable panels；7- steel pipes；8-
Electronic runner；9- transmission belts；10- roll shafts；11- pulls block；12- is latched；13- necks；14- baffle plates；15- tumblers；16- leads to
Hole；17- screwed holes；18- bumper bars；19- closes steel plate；20- bearings；21- is raised；22- turning collars；23- screws；24- is fixed
Circle；25- display screens；26- buttons；27- stepper motors；28- earth leakage protective devices；29- single-chip microcomputers；30- voltage stabilizing chips；31- steppings
Motor driver；32- plugging plates；33- collects frame.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment：
Fig. 1 to Fig. 6 is referred to, the present invention provides a kind of technical scheme：A kind of coal separation device of screening coal, including main box 1,
The upper surface of main box 1 is made up of the opening of tilting section and horizontal segment, and angle is 150 degree between tilting section and horizontal segment, and is tilted
The bottom of section smoothly connects with horizontal segment；The both sides of the upper end of main box 1 have been fixedly connected with steel pipe 7, steel pipe 7 and tilting section and water
Flat section is mutually fixed；Rolled between two steel pipes 7 and be connected with multiple roll shafts 10, two neighboring roll shaft 10 is from tilting section to level
Spacing between section increases successively, and is installed with multiple rows of raised 21 on the side of each roll shaft 10；The upper surface tilting section of main box 1
Top be fixed with demountable panel 6, the two ends of demountable panel 6 are welded sideways with two steel pipes 7 respectively；It is fixed on demountable panel 6 to connect
It is connected to hang plate 2；Control cabinet 4 is installed with main box 1, the outer surface of control cabinet 4 is provided with display screen 25 and four buttons
26；Stepper motor 27 and single-chip microcomputer 29 are equipped with control cabinet 1, the input of single-chip microcomputer 29 is connected with four signals of button 26, it is single
The output end of piece machine 29 control stepper motor driver 31 is driven to stepper motor 27；Stepper motor 27 and single-chip microcomputer 29 lead to
Cross plug 5 to be powered, the output end of plug 5 between voltage stabilizing chip 30 and single-chip microcomputer 29 by electrically connecting；It is embedding in each steel pipe 7
There are three electronic runners 8, electrically connected between electronic runner 8 and stepper motor 27 by electric wire, between two neighboring electronic runner 8
Connected by transmission belt 9 and while rolling；Multiple retainer plates 24 are installed, retainer plate 24 passes through screw 27 and steel pipe 7 in steel pipe 7
Inwall is fixed, and the outside of retainer plate 24 slidably connects turning collar 22；The two ends of roll shaft 10 are installed with bearing 20, and bearing 20 is with rotating
It is fixedly connected one by one between circle 22, slides and be connected between turning collar 22 and transmission belt 9.Demountable panel 6 is removably with inclining
Swash plate 2 is fixedly connected, and the inclination fragment position of demountable panel 6 towards main box 1 is fixedly connected with closing steel plate 19, closes steel plate 19
The lower section of lower position first roll shaft 10 on tilting section.The rear end side that the bottom of hang plate 2 passes through fix bar 3 and main box 1
It is fixedly connected.It is provided between three collection frames 33, adjacent collector frame 33 and is blocked by plugging plate 32 in main box 1；It is main
The side of casing 1 is provided with three pulling blocks 11, each to pull the two ends of block 11 by lock 13 with being arranged on main box 1
Neck 12 fastens, each to pull block 11 to be fixedly connected with corresponding collection frame 33.The front end of the horizontal segment of main box 1 passes through baffle plate
14 closings, baffle plate 14 can pass through two through holes 16 being installed in thereon and two spiral shells being installed on main box 1 by fastener
Pit 17 interfixes with main box 1；It can be rotated between baffle plate 14 and main box 1 by tumbler 15.The He of display screen 25
Signal is connected each button 26 between single-chip microcomputer 29, and four buttons 26 control startup, stopping and the speed of stepper motor 27.
The output end of plug 5 is provided with earth leakage protective device 28 with stepper motor 27 and the junction of voltage stabilizing chip 30；Two steel pipes 7 and main box
The front end of horizontal segment is fixedly connected by bumper bar 18 on 1.
The operation principle of the present invention：Colliery is rolled from the roll shaft 10 of the upper end tilting section of main box 1, due to spacing
Set to increase successively, so dropped into first in main box 1 compared with ut with regard to that can allow；Projection 21 on roll shaft 10 can
Coal cinder is held up and extruded, facilitates coal cinder not transport coal speed to being blocked at two roll shafts 10 in transmitting procedure
Effectively lifting；Colliery is poured into from hang plate 2, colliery is transferred on first roll shaft 10 by demountable panel 8 and is driven；
The stepper motor 27 and single-chip microcomputer 29 in main box 1 are powered by plug 5, voltage stabilizing chip 30 can be used and is depressured successively
To alternating current can be converted to 5V direct current with the principle of voltage stabilizing, be the progress voltage stabilizing of single-chip microcomputer 19 and power；Pass through
The operation of four buttons 16, control instruction receive and further control the work of stepper motor driver 31 using single-chip microcomputer 29
Make, regulated and controled using pulse signal come the speed to stepper motor 27；Then electronic runner 8 is driven to carry out by stepper motor 27
Rotate, drive the rolling of transmission belt 9 that the multiple turning collars 22 being slidably connected on the belt are rotated；Turning collar 22 with it is corresponding
The bearing 20 of roll shaft 10 is fixed, and turning collar 22 is fixed on certain further through retainer plate 24, just can the rotation with action roller shaft 10,
Coal cinder is promoted to advance；Different size coal cinder is collected eventually through different collection frames 33.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of coal separation device of screening coal, including main box (1), it is characterised in that：Main box (1) upper surface is by tilting section
Constituted with the opening of horizontal segment, angle is 150 degree between tilting section and horizontal segment, and bottom and the smooth phase of horizontal segment of tilting section
Connect；The both sides of main box (1) upper end have been fixedly connected with steel pipe (7), and the steel pipe (7) and tilting section and horizontal segment are homogeneous
It is mutually fixed；Rolled between two steel pipes (7) and be connected with multiple roll shafts (10), the two neighboring roll shaft (10) is from tilting section
Increase successively to the spacing between horizontal segment, and be installed with multiple rows of raised (21) on the side of each roll shaft (10)；
The top of main box (1) upper surface tilting section is fixed with demountable panel (6), demountable panel (6) the two ends difference
Welded with two steel pipe (7) sides；Hang plate (2) is fixedly connected with the demountable panel (6)；
Be installed with control cabinet (4) on the main box (1), control cabinet (4) outer surface be provided with display screen (25) and
Four buttons (26)；Stepper motor (27) and single-chip microcomputer (29), single-chip microcomputer (29) input are equipped with the control cabinet (1)
End is connected with four button (26) signals, and single-chip microcomputer (29) the output end control stepper motor driver (31) is to stepping
Motor (27) is driven；The stepper motor (27) and the single-chip microcomputer (29) are powered by plug (5), described to insert
Head (5) output end between voltage stabilizing chip (30) and the single-chip microcomputer (29) by electrically connecting；It is embedded with each steel pipe (7)
Three electronic runners (8), are electrically connected between the electronic runner (8) and the stepper motor (27) by electric wire, two neighboring
Connected and rolled simultaneously by transmission belt (9) between the electronic runner (8)；Multiple retainer plates are installed in the steel pipe (7)
(24), the retainer plate (24) is fixed by screw (27) with steel pipe (7) inwall, and retainer plate (24) outside is slidably connected
There is turning collar (22)；Roll shaft (10) two ends are installed with bearing (20), between the bearing (20) and the turning collar (22)
It is fixedly connected one by one, slides and be connected between the turning collar (22) and transmission belt (9).
2. a kind of coal separation device of screening coal according to claim 1, it is characterised in that：The demountable panel (6) is with removable
Unload mode to be fixedly connected with hang plate (2), the demountable panel (6) is fixed towards the inclination fragment position of the main box (1) to be connected
It is connected to closing steel plate (19), the lower section of closing steel plate (19) lower position first roll shaft (10) on tilting section.
3. a kind of coal separation device of screening coal according to claim 1, it is characterised in that：Hang plate (2) bottom passes through
Fix bar (3) is fixedly connected with the rear end side of main box (1).
4. a kind of coal separation device of screening coal according to claim 1, it is characterised in that：It is provided with the main box (1)
Collect for three and blocked between frame (33), adjacent collector frame (33) by plugging plate (32)；The side of the main box (1) is set
It is equipped with three and pulls block (11), each described pulling block (11) two ends is by latching (13) and being arranged on the main box (1)
On neck (12) fasten, each pulling block (11) is fixedly connected with corresponding frame (33) of collecting.
5. a kind of coal separation device of screening coal according to claim 1, it is characterised in that：Main box (1) horizontal segment
Front end is closed by baffle plate (14), and the baffle plate (14) can be passed through two through holes (16) being installed in thereon and be consolidated by fastener
Two screwed holes (17) and the main box (1) being located on main box (1) interfix；The baffle plate (14) and the main box
(1) it can be rotated between by tumbler (15).
6. a kind of coal separation device of screening coal according to claim 1, it is characterised in that：The display screen (25) and each institute
Stating button (26), signal is connected between the single-chip microcomputer (29), the startup of four button (26) control stepper motors (27),
Stop and speed.
7. a kind of coal separation device of screening coal according to claim 1, it is characterised in that：Plug (5) output end and step
Stepper motor (27) and voltage stabilizing chip (30) junction are provided with earth leakage protective device (28).
8. a kind of coal separation device of screening coal according to claim 1, it is characterised in that：Two steel pipes (7) and main tank
The front end of horizontal segment is fixedly connected by bumper bar (18) on body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274437.8A CN107081256B (en) | 2017-04-16 | 2017-04-16 | A kind of coal separation device of screening coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274437.8A CN107081256B (en) | 2017-04-16 | 2017-04-16 | A kind of coal separation device of screening coal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107081256A true CN107081256A (en) | 2017-08-22 |
| CN107081256B CN107081256B (en) | 2018-12-11 |
Family
ID=59611586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710274437.8A Expired - Fee Related CN107081256B (en) | 2017-04-16 | 2017-04-16 | A kind of coal separation device of screening coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107081256B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066888A1 (en) * | 2022-09-30 | 2024-04-04 | 华能伊敏煤电有限责任公司 | Adjustable coal ore screening and conveying device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120298563A1 (en) * | 2011-05-27 | 2012-11-29 | Size Reduction Specialists, Inc. | Rotary particle separator |
| CN203610304U (en) * | 2013-10-09 | 2014-05-28 | 天津市大港华明化工厂 | Intelligent vibrating screen |
| CN204448501U (en) * | 2015-01-24 | 2015-07-08 | 林雪明 | Tilting roller picker |
-
2017
- 2017-04-16 CN CN201710274437.8A patent/CN107081256B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120298563A1 (en) * | 2011-05-27 | 2012-11-29 | Size Reduction Specialists, Inc. | Rotary particle separator |
| CN203610304U (en) * | 2013-10-09 | 2014-05-28 | 天津市大港华明化工厂 | Intelligent vibrating screen |
| CN204448501U (en) * | 2015-01-24 | 2015-07-08 | 林雪明 | Tilting roller picker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066888A1 (en) * | 2022-09-30 | 2024-04-04 | 华能伊敏煤电有限责任公司 | Adjustable coal ore screening and conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107081256B (en) | 2018-12-11 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181029 Address after: 321100 -28, Hu Dian 138, Hu Dian village, Lanjiang street, Lanxi, Zhejiang. Applicant after: Xu Peideng Address before: 314001 No. 155 Zhen He road, Nanhu District, Jiaxing, Zhejiang Applicant before: Zhao Jie |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191216 Address after: 221000 Jiangsu Xuzhou District, Jiawang province Longshan Town metallurgical agglomeration area north head Patentee after: Xuzhou Dongxing Energy Co., Ltd. Address before: 321100 -28, Hu Dian 138, Hu Dian village, Lanjiang street, Lanxi, Zhejiang. Patentee before: Xu Peideng |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20181211 Termination date: 20210416 |