CN106732994A - A kind of coal mining coal cinder reducing mechanism - Google Patents
A kind of coal mining coal cinder reducing mechanism Download PDFInfo
- Publication number
- CN106732994A CN106732994A CN201611137600.8A CN201611137600A CN106732994A CN 106732994 A CN106732994 A CN 106732994A CN 201611137600 A CN201611137600 A CN 201611137600A CN 106732994 A CN106732994 A CN 106732994A
- Authority
- CN
- China
- Prior art keywords
- coal cinder
- coal
- primary
- concentrator bowl
- cinder
- 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
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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
-
- 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
- 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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a kind of coal mining coal cinder reducing mechanism,Primary coal cinder shredder assemblies lower section is provided with the primary conveyor belt on the coal cinder automatic transportation after primary comminution to secondary coal cinder shredder assemblies,The secondary conveyer belt of the coal cinder entrucking being provided with the coal outlet of secondary coal cinder shredder assemblies after secondary is crushed,Dust excluding hood is additionally provided with above secondary coal cinder shredder assemblies,The size of coal cinder when the present invention can as needed adjust primary comminution by adjustable plate,Eccentric flyball is set to be impacted,Larger coal cinder is first carried out into primary comminution,Setting oscillation device can effectively prevent the primary coal cinder of coal cinder blocking from sieving mouth,Prevent stuck phenomenon,And during secondary crushing,Concentrator bowl can quickly throw away coal cinder,Coal cinder is got rid of to the pulverizing cutter blade on pulverization cylinder,Realization is further crushed coal cinder,Effectively improve crush efficiency,And can effectively prevent coal cinder from blocking secondary coal cinder in the turning set that secondary coal cinder sieves mouth setting and sieve mouth,Substantially increase crush efficiency.
Description
Technical field
The present invention relates to a kind of coal mining coal cinder reducing mechanism, belong to Coal Mining Technology field.
Background technology
In coal mining, general initial coal cinder exploit is larger, is not appropriate for directly shipping, generally require by compared with
Big coal cinder is crushed, so as to directly entrucking transhipment after transporting.But, current coal mining reducing mechanism one kind is general
Extruded using the gear teeth being oppositely arranged so that coal cinder is crushed, although this reducing mechanism structure is simple, crush effect
Rate is low, is easily caused stuck phenomenon in crushing process, easily burns out motor, and strong influence the crush efficiency of coal cinder, and,
The crushing compared with gathering coal cannot be realized.Another kind be using vibration by the way of, this mode crush efficiency is low, crush uniformity compared with
Difference, it is difficult to meet the requirement that efficient coal cinder is crushed.
The content of the invention
The present invention is directed to existing technical problem, there is provided a kind of coal mining coal cinder reducing mechanism, it is therefore an objective to provide
Coal cinder reducing mechanism is planted, to improve coal cinder crush efficiency, the problem that prior art is present is intended to solve.
To achieve the above object, the present invention provides following technical scheme：A kind of coal mining coal cinder reducing mechanism, its bag
Include primary coal cinder shredder assemblies, primary conveyor belt, secondary coal cinder shredder assemblies and secondary conveyer belt, it is characterised in that described
Primary coal cinder shredder assemblies lower section is provided with will be first on the coal cinder automatic transportation after primary comminution to secondary coal cinder shredder assemblies
Level conveyer belt, the coal cinder entrucking being provided with the coal outlet of described secondary coal cinder shredder assemblies after secondary is crushed it is secondary defeated
Band is sent, dust excluding hood is additionally provided with above described secondary coal cinder shredder assemblies.
Further, preferably, the primary coal cinder shredder assemblies include adjustable plate, hydraulic regulation bar, eccentric wheel, fly
Hammer, driving wheel, motor, impact base, impact shock block and oscillation device, wherein, described adjustable plate is arranged on described
Impact base two ends, and hole between adjustable plate and impact base constitutes the primary coal cinder sieve after primary coal cinder is crushed and falls
Mouthful, described impact base upper end is tapered opening, and described impact shock block is circular cone, and described impact shock block is upper and lower
The tapered opening of impact shock block and described impact base in the tapered opening described in being slidably disposed in and described
Oscillation device is provided between bottom wall, so that impact shock block is slided up and down along tapered opening, described adjustable plate
The size for sieving mouth with the primary coal cinder between described impact base is controlled by described hydraulic regulation bar, and described impact is shaken
Eccentric wheel is provided with the frame of the surface of motion block, described eccentric wheel uses belt transmission, described bias by driving wheel
Be fixedly installed flyball on wheel, the outer surface of described flyball is provided with multiple pulverizing cutter blades, described impact shock block it is upper
Multiple pulverizing cutter blades are provided with the inner surface of surface and adjustable plate, described secondary coal cinder shredder assemblies include secondary powder
Millstone shell, concentrator bowl, crushing rotating shaft, centrifugation rotating shaft and concentrator bowl base, wherein, described concentrator bowl base is arranged on described
The center of secondary grinder shell, is provided with centrifugation rotating shaft on described concentrator bowl base, be fixedly installed in the centrifugation rotating shaft
Concentrator bowl, is provided with multiple crushing rotating shafts, described crushing rotating shaft between described concentrator bowl and described secondary grinder shell
On be fixedly installed pulverization cylinder, be provided with multiple pulverizing cutter blades on the outer peripheral face of described pulverization cylinder, described pulverization cylinder turns
The rotation direction of dynamic direction and described concentrator bowl on the outer circumference surface of described concentrator bowl conversely, be also equipped with multiple crushing knifes
Sword, the bottom of described secondary grinder shell is provided with secondary coal cinder and sieves mouth.
Further, preferably, the position for sieving mouth near the secondary coal cinder on described secondary grinder shell is set
There is turning set, described turning set is driven by a pair of engaged gears with described crushing engagement in rotation.
Further, preferably, the upper end coal feed point of the secondary grinder shell is arranged under described primary conveyor belt
The baffle plate for blocking coal cinder spluttering is provided with the upper end coal feed point of square and described secondary grinder shell.
Further, preferably, described concentrator bowl is up-small and down-big conically shaped, described concentrator bowl base is fixed and set
Put in frame.
Further, preferably, the height of the lowest surfaces of pulverization cylinder of the height of the turning set less than described in.
Further, preferably, being connected with negative pressure pump on described dust excluding hood.
Further, preferably, described centrifugation rotating shaft is driven using direct driving motor, described direct driving motor is set
In concentrator bowl base.
Compared with prior art, the beneficial effects of the invention are as follows：
The size of coal cinder when the present invention can as needed adjust primary comminution by adjustable plate, while set eccentric flyball entering
Row impact, first carries out primary comminution by larger coal cinder, and sets oscillation device, can effectively prevent coal cinder from blocking primary coal
Block sieves mouth, prevents stuck phenomenon, and during secondary crushing, concentrator bowl can quickly throw away coal cinder, and coal cinder is got rid of to pulverization cylinder
On pulverizing cutter blade, realization further crushed coal cinder, effectively improves crush efficiency, and set in the secondary coal cinder sieve mouth that falls
Turning set can effectively prevent from coal cinder from blocking secondary coal cinder sieve falling mouth, substantially increase crush efficiency, the present invention also sets up
Dust shield, can effectively prevent dust, improve working environment.
Brief description of the drawings
Fig. 1 is a kind of structural representation of coal mining coal cinder reducing mechanism of the invention；
Wherein, 1, adjustable plate, 2, hydraulic regulation bar, 3, eccentric wheel, 4, flyball, 5, driving wheel, 6, motor, 7, impact bottom
Seat, 8, impact shock block, 9, oscillation device, 10, primary conveyor belt, 11, secondary grinder shell, 12, meshing gear, 13, rotate
Set, 14, concentrator bowl, 15, crush rotating shaft, 16, centrifugation rotating shaft, 17, concentrator bowl base, 18, pulverizing cutter blade, 19, deduster, 20,
Secondary conveyer belt, 21, primary coal cinder sieve fall mouth, 22, secondary coal cinder sieve falls mouth.
Specific 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.
Fig. 1 is referred to, the present invention provides a kind of technical scheme：A kind of coal mining coal cinder reducing mechanism, it is included just
Level coal cinder shredder assemblies, primary conveyor belt 10, secondary coal cinder shredder assemblies and secondary conveyer belt, it is characterised in that described is first
Level coal cinder shredder assemblies lower section is provided with the primary on the coal cinder automatic transportation after primary comminution to secondary coal cinder shredder assemblies
Conveyer belt 10, the coal cinder entrucking being provided with the coal outlet of described secondary coal cinder shredder assemblies after secondary is crushed it is secondary defeated
Band 20 is sent, dust excluding hood 19 is additionally provided with above described secondary coal cinder shredder assemblies.
In the present embodiment, the primary coal cinder shredder assemblies include adjustable plate 1, hydraulic regulation bar 2, eccentric wheel 3, flyball
4th, driving wheel 5, motor 6, impact base 7, impact shock block 8 and oscillation device 9, wherein, described adjustable plate 1 is arranged on
Hole between the described two ends for impacting base 7, and adjustable plate 1 and impact base 7 constitutes the primary after primary coal cinder is crushed
Coal cinder sieves mouth 21, and the described upper end of impact base 7 is tapered opening, and described impact shock block 8 is circular cone, and described rushes
Vibrating mass is hit to be slidably disposed in about 8 in described tapered opening, and described impact shock block 8 and described impact bottom
Oscillation device 9 is provided between the bottom wall of the tapered opening of seat, so that impact shock block is slided up and down along tapered opening,
Described adjustable plate 1 with the primary coal cinder sieve between described impact base fall mouth 21 size by described hydraulic regulation bar
2 controls, eccentric wheel 3 is provided with the frame of the surface of described impact shock block 8, and described eccentric wheel 3 is adopted by driving wheel 6
With belt transmission, flyball 4 is fixedly installed on described eccentric wheel 3, the outer surface of described flyball 4 is provided with multiple crushing knifes
Sword, is provided with multiple pulverizing cutter blades on the described upper surface of impact shock block 8 and the inner surface of adjustable plate, described is secondary
Level coal cinder shredder assemblies include secondary grinder shell 11, concentrator bowl 14, crush rotating shaft 15, centrifugation rotating shaft 16 and concentrator bowl base
17, wherein, described concentrator bowl base 17 is arranged on the center of described secondary grinder shell, on described concentrator bowl base 17
Be provided with centrifugation rotating shaft 15, concentrator bowl 14 be fixedly installed in the centrifugation rotating shaft 15, described concentrator bowl 14 with described time
Multiple crushing rotating shafts 15 are provided between level grinder shell, pulverization cylinder is fixedly installed in described crushing rotating shaft 15, it is described
It is provided with multiple pulverizing cutter blades on the outer peripheral face of pulverization cylinder, the rotation direction of described pulverization cylinder and the rotation of described concentrator bowl
In the opposite direction, multiple pulverizing cutter blades are also equipped with the outer circumference surface of described concentrator bowl, the bottom of described secondary grinder shell
Portion is provided with secondary coal cinder and sieves mouth.
Wherein, in order to prevent the stuck phenomenon of coal cinder, fall near the secondary coal cinder sieve on described secondary grinder shell
The position of mouth is provided with turning set 13, and described turning set 13 is passed by a pair of engaged gears 12 and described crushing engagement in rotation
It is dynamic.The upper end coal feed point of the secondary grinder shell is arranged on described primary conveyor belt lower section, and described secondary grinder
The baffle plate for blocking coal cinder spluttering is provided with the upper end coal feed point of shell.Described concentrator bowl is up-small and down-big conically shaped, described
Concentrator bowl base be fixedly installed in frame.Height of the height of the turning set less than the lowest surfaces of described pulverization cylinder.
Negative pressure pump is connected with described dust excluding hood.Described centrifugation rotating shaft is driven using direct driving motor, described straight drive
Motor is arranged in concentrator bowl base.
The size of coal cinder when the present invention can as needed adjust primary comminution by adjustable plate, while setting eccentric flying
Hammer is impacted, and larger coal cinder first is carried out into primary comminution, and sets oscillation device, can effectively prevent coal cinder from blocking just
Level coal cinder sieves mouth, prevents stuck phenomenon, and during secondary crushing, concentrator bowl can quickly throw away coal cinder, and coal cinder is got rid of to powder
Pulverizing cutter blade on broken cylinder, realization is further crushed coal cinder, effectively improves crush efficiency, and sieves mouth in secondary coal cinder
The turning set of setting can effectively prevent coal cinder from blocking secondary coal cinder and sieve mouth, substantially increase crush efficiency, and the present invention is also
There is provided dust shield, can effectively prevent dust, working environment is improved.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (8)
1. a kind of coal mining coal cinder reducing mechanism, it includes primary coal cinder shredder assemblies, primary conveyor belt, secondary coal cinder powder
Broken component and secondary conveyer belt, it is characterised in that described primary coal cinder shredder assemblies lower section is provided with after primary comminution
Primary conveyor belt in coal cinder automatic transportation to secondary coal cinder shredder assemblies, at the coal outlet of described secondary coal cinder shredder assemblies
The secondary conveyer belt of the coal cinder entrucking being provided with after secondary is crushed, is additionally provided with above described secondary coal cinder shredder assemblies
Dust excluding hood.
2. a kind of coal mining coal cinder reducing mechanism according to claim 1, it is characterised in that：The primary coal cinder powder
Broken component include adjustable plate, hydraulic regulation bar, eccentric wheel, flyball, driving wheel, motor, impact base, impact shock block and
Oscillation device, wherein, described adjustable plate is arranged on the two ends of described impact base, and between adjustable plate and impact base
Hole constitutes the primary coal cinder after primary coal cinder is crushed and sieves mouth, and described impact base upper end is tapered opening, and described rushes
Vibrating mass is hit for circular cone, described impact shock block is slidably disposed in described tapered opening up and down, and described
Oscillation device is provided between the bottom wall of the tapered opening of impact shock block and described impact base, so that impact shock
Block is slided up and down along tapered opening, and described adjustable plate falls the big of mouth with the primary coal cinder sieve between described impact base
It is small to be controlled by described hydraulic regulation bar, eccentric wheel is provided with the frame of the surface of described impact shock block, it is described
Eccentric wheel uses belt transmission by driving wheel, and flyball is fixedly installed on described eccentric wheel, and the outer surface of described flyball sets
Multiple pulverizing cutter blades are equipped with, multiple crushing are provided with the described upper surface of impact shock block and the inner surface of adjustable plate
Blade, described secondary coal cinder shredder assemblies include secondary grinder shell, concentrator bowl, crush rotating shaft, centrifugation rotating shaft and concentrator bowl
Base, wherein, described concentrator bowl base is arranged on the center of described secondary grinder shell, is set on described concentrator bowl base
Centrifugation rotating shaft is equipped with, concentrator bowl, described concentrator bowl and described secondary grinder shell are fixedly installed in the centrifugation rotating shaft
Between be provided with it is multiple crush rotating shafts, be fixedly installed pulverization cylinder in described crushing rotating shaft, the outer peripheral face of described pulverization cylinder
On be provided with multiple pulverizing cutter blades, the rotation direction of described pulverization cylinder is with the rotation direction of described concentrator bowl conversely, described
Concentrator bowl outer circumference surface on be also equipped with multiple pulverizing cutter blades, the bottom of described secondary grinder shell is provided with secondary coal
Block sieves mouth.
3. a kind of coal mining coal cinder reducing mechanism according to claim 2, it is characterised in that：Described secondary crushing
The fall position of mouth of the secondary coal cinder sieve is provided with turning set on device shell, described turning set by a pair of engaged gears with
Described crushing engagement in rotation transmission.
4. a kind of coal mining coal cinder reducing mechanism according to claim 2, it is characterised in that：The secondary grinder
The upper end coal feed point of shell is arranged on described primary conveyor belt lower section, and is set on the upper end coal feed point of described secondary grinder shell
It is equipped with the baffle plate for blocking coal cinder spluttering.
5. a kind of coal mining coal cinder reducing mechanism according to claim 2, it is characterised in that：Described concentrator bowl is
Up-small and down-big conically shaped, described concentrator bowl base is fixedly installed in frame.
6. a kind of coal mining coal cinder reducing mechanism according to claim 2, it is characterised in that：The height of the turning set
Height of the degree less than the lowest surfaces of described pulverization cylinder.
7. a kind of coal mining coal cinder reducing mechanism according to claim 1-6 any one, it is characterised in that：It is described
Dust excluding hood on be connected with negative pressure pump.
8. a kind of coal mining coal cinder reducing mechanism according to claim 2, it is characterised in that：Described centrifugation rotating shaft
It is driven using direct driving motor, described direct driving motor is arranged in concentrator bowl base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611137600.8A CN106732994B (en) | 2016-12-12 | 2016-12-12 | A kind of coal mining coal cinder grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611137600.8A CN106732994B (en) | 2016-12-12 | 2016-12-12 | A kind of coal mining coal cinder grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106732994A true CN106732994A (en) | 2017-05-31 |
| CN106732994B CN106732994B (en) | 2018-08-17 |
Family
ID=58879866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611137600.8A Expired - Fee Related CN106732994B (en) | 2016-12-12 | 2016-12-12 | A kind of coal mining coal cinder grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106732994B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661796A (en) * | 2017-10-18 | 2018-02-06 | 杨光 | A kind of raw ore disintegrating apparatus for coal mining |
| CN107755043A (en) * | 2017-11-08 | 2018-03-06 | 贵州大学 | The coal reducing mechanism in colliery |
| CN108160188A (en) * | 2017-12-22 | 2018-06-15 | 湖南湘讯企业管理有限公司 | A kind of broken equipment of bulk coal powder |
| CN108380322A (en) * | 2018-05-14 | 2018-08-10 | 山东工商学院 | A kind of circulating coal cinder device for thinning of coal mining |
| CN109813641A (en) * | 2019-01-21 | 2019-05-28 | 河南理工大学 | A kind of coal dust prevention and treatment experimental provision |
| CN112649264A (en) * | 2021-01-05 | 2021-04-13 | 建昌县兴鹏矿业有限公司 | Hard rock layer crushing device for mine exploration and crushing detection process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053856A (en) * | 2007-05-18 | 2007-10-17 | 中国矿业大学 | Gangue separating method and device for mine |
| CN201036759Y (en) * | 2007-05-18 | 2008-03-19 | 中国矿业大学 | Mine gangue separating equipment |
| CN105597866A (en) * | 2016-02-24 | 2016-05-25 | 中煤张家口煤矿机械有限责任公司 | Two-channel screening crushing device for coal mine |
| CN205413278U (en) * | 2016-02-02 | 2016-08-03 | 宜昌久久鑫建筑材料有限公司 | Synchronous ball -milling device of stereoplasm raw materials |
| CN106179571A (en) * | 2016-08-29 | 2016-12-07 | 中材装备集团有限公司 | A kind of two-chamber single toggle jaw crusher for ore reduction |
| CN206444682U (en) * | 2016-12-12 | 2017-08-29 | 山东科技大学 | A kind of coal mining coal cinder reducing mechanism |
-
2016
- 2016-12-12 CN CN201611137600.8A patent/CN106732994B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053856A (en) * | 2007-05-18 | 2007-10-17 | 中国矿业大学 | Gangue separating method and device for mine |
| CN201036759Y (en) * | 2007-05-18 | 2008-03-19 | 中国矿业大学 | Mine gangue separating equipment |
| CN205413278U (en) * | 2016-02-02 | 2016-08-03 | 宜昌久久鑫建筑材料有限公司 | Synchronous ball -milling device of stereoplasm raw materials |
| CN105597866A (en) * | 2016-02-24 | 2016-05-25 | 中煤张家口煤矿机械有限责任公司 | Two-channel screening crushing device for coal mine |
| CN106179571A (en) * | 2016-08-29 | 2016-12-07 | 中材装备集团有限公司 | A kind of two-chamber single toggle jaw crusher for ore reduction |
| CN206444682U (en) * | 2016-12-12 | 2017-08-29 | 山东科技大学 | A kind of coal mining coal cinder reducing mechanism |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661796A (en) * | 2017-10-18 | 2018-02-06 | 杨光 | A kind of raw ore disintegrating apparatus for coal mining |
| CN107661796B (en) * | 2017-10-18 | 2019-04-23 | 内蒙古黄陶勒盖煤炭有限责任公司 | A kind of raw ore disintegrating apparatus for coal mining |
| CN107755043A (en) * | 2017-11-08 | 2018-03-06 | 贵州大学 | The coal reducing mechanism in colliery |
| CN107755043B (en) * | 2017-11-08 | 2024-05-28 | 贵州大学 | Coal crushing device for coal mine |
| CN108160188A (en) * | 2017-12-22 | 2018-06-15 | 湖南湘讯企业管理有限公司 | A kind of broken equipment of bulk coal powder |
| CN108380322A (en) * | 2018-05-14 | 2018-08-10 | 山东工商学院 | A kind of circulating coal cinder device for thinning of coal mining |
| CN109813641A (en) * | 2019-01-21 | 2019-05-28 | 河南理工大学 | A kind of coal dust prevention and treatment experimental provision |
| CN112649264A (en) * | 2021-01-05 | 2021-04-13 | 建昌县兴鹏矿业有限公司 | Hard rock layer crushing device for mine exploration and crushing detection process |
| CN112649264B (en) * | 2021-01-05 | 2024-03-22 | 建昌县兴鹏矿业有限公司 | Hard rock layer crushing device and crushing detection process for mine survey |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106732994B (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106732994A (en) | A kind of coal mining coal cinder reducing mechanism | |
| CN206566978U (en) | A kind of New type straw grinding device | |
| CN109718896B (en) | Solid particle chemical material crushing and recycling device | |
| CN110882807A (en) | Ore reducing mechanism who contains dust fall mechanism | |
| CN206262641U (en) | A kind of raw material efficient pulverizing device | |
| CN206444682U (en) | A kind of coal mining coal cinder reducing mechanism | |
| EP2228133A1 (en) | Grinding device of vertical grinder | |
| CN108811807A (en) | A kind of straw millstone | |
| CN104941769B (en) | A kind of solid material Ginding process and solid material grinder | |
| CN202155228U (en) | Raymond grinding mill | |
| CN106140377A (en) | A kind of feed manufacturing vertical efficient pulverizer | |
| CN106475199B (en) | A kind of packaged type stalk biomass pulverizer | |
| CN208554404U (en) | A kind of multifunctional crusher | |
| CN204724286U (en) | A kind of solid material grinder | |
| CN208627533U (en) | A kind of novel coal ash powder crushing device | |
| CN209810385U (en) | Rotatory broken impact coal crushing apparatus | |
| CN206676480U (en) | A kind of construction waste reducing mechanism | |
| CN205109738U (en) | Glass grinding rolls | |
| CN204974021U (en) | Rubbing crusher with function is retrieved to dust | |
| CN204412399U (en) | All-in-one is pulverized in a kind of dedusting for bulk kelp | |
| CN207680759U (en) | One kind being used for energy-saving quick scummer flour mill | |
| CN216025143U (en) | Automatic blanking type coal mill for thermal power plant | |
| CN205848061U (en) | A kind of dark green stalk beating device | |
| CN204122164U (en) | A kind of cigarette group disintegrating machine | |
| CN203678463U (en) | Pulverizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 Termination date: 20181212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |