CN109046573B - High-efficient multistage coal ore reducing mechanism that can absorb dust - Google Patents
High-efficient multistage coal ore reducing mechanism that can absorb dust Download PDFInfo
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- CN109046573B CN109046573B CN201811057860.3A CN201811057860A CN109046573B CN 109046573 B CN109046573 B CN 109046573B CN 201811057860 A CN201811057860 A CN 201811057860A CN 109046573 B CN109046573 B CN 109046573B
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- crushing chamber
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- 239000003245 coal Substances 0.000 title claims abstract description 78
- 239000000428 dust Substances 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 title abstract description 14
- 239000004575 stone Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008676 import Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- 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
- B02C4/42—Driving mechanisms; Roller speed control
-
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
A high-efficiency dust-absorbable multistage coal mine crushing device belongs to the technical field of coal mine crushing equipment. High-efficient multistage coal mine stone comminution device of dustable, smash room, second grade including box, one-level and smash room and clean room, upper portion is provided with one-level and smashes room and clean room in the box, and the lower part is provided with the second grade and smashes the room in the box, and the box top is equipped with the coal mine stone import, and the room intercommunication is smashed with the one-level to the coal mine stone import, and the export and the kibbling import intercommunication of second grade of room are smashed to the one-level to make preliminary kibbling coal mine stone enter into the second grade and smash the room, the lateral wall lower part that the room was smashed to the second grade is provided with. Multistage coal ore reducing mechanism of high-efficient dustable is smashed fast efficiently, smashes in-process dust and can be absorbed, prevents to pollute, utilizes the air curtain to collect dirt when realizing the multistage crushing of coal ore, combines the filter screen dust removal at last, smashes, dust collection efficiency is high.
Description
Technical Field
The invention relates to the technical field of coal mine stone crushing equipment, in particular to a high-efficiency dust-absorbable multistage coal ore crushing device.
Background
In the production of a mine site, the primary mined raw coal has large blocks and is not beneficial to the transportation of ores. Generally, a coal mine crushing device is arranged in a mine to crush raw coal with large blocks and then transport the raw coal. Present coal ore reducing mechanism is because the colliery stone is physically great at the during operation, causes the damage to smashing the chamber easily to crushing efficiency is not high when smashing, has the great former coal of a little block and smashes not up to standard.
Therefore, in recent years, the requirement of factories on coal is higher and higher, more and more customers do not need coal blocks directly mined but coal powder or coal ore with small size, but a large amount of dust is generated when raw coal is crushed, so that not only certain pollution is caused to the air environment, but also certain harm is caused to the physical health of operators, and meanwhile, the phenomenon of incomplete crushing can occur to most crushing equipment, so that certain waste is caused. The dust removing mechanism in the existing multistage crushing device is mainly wet dust removal by spraying water to the crushing chamber, so that the dust removing mechanism is easy to block, the crushing rate of coal ore is reduced, a large amount of waste water is generated, and a special precipitation treatment mechanism needs to be arranged on the waste water.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide the high-efficiency dust-absorbable multistage coal ore crushing device which is simple in structure, high in crushing and dust-removing efficiency due to the adoption of dry dust removal, and capable of absorbing dust in the crushing process and preventing pollution.
In order to achieve the purpose of the invention, the technical scheme of the invention is as follows:
a high-efficiency dust-absorbable multi-stage coal mine crushing device comprises a box body, a primary crushing chamber, a secondary crushing chamber and a dust removing chamber;
the coal mine crushing device is characterized in that a primary crushing chamber and a dust removing chamber are arranged at the upper part in the box body, the primary crushing chamber and the dust removing chamber are separated by a vertical plate, a secondary crushing chamber is arranged at the lower part in the box body, a coal mine stone inlet is formed in one side, close to the primary crushing chamber, above the box body, and communicated with the primary crushing chamber, an outlet of the primary crushing chamber is communicated with a secondary crushing inlet, so that primarily crushed coal mine stones enter the secondary crushing chamber, an opening is formed in the lower part of the side wall of the secondary crushing chamber, communicated with a discharge port of the box body, and crushed finished coal mine stones are discharged;
a primary crushing device is arranged in the primary crushing chamber and is used for primary crushing of coal ores;
one side of the dust chamber, which is close to the outlet of the primary crushing chamber and the inlet of the secondary crushing chamber, is provided with an air suction fan for sucking dust into the dust chamber, and one side of the dust chamber, which is positioned on the side wall of the box body, is provided with a vent for discharging the dust in the dust chamber;
and a secondary crushing device is arranged in the secondary crushing chamber and is used for deeply crushing coal ores.
The lower part that the room was smashed to the one-level is provided with the backup pad, and the one end of backup pad is close to the interior wall connection that room one side was smashed to the one-level with the box, and the other end smashes the room with the second grade and is close to the high parallel and level in lateral wall upper end that room one side was smashed to the one-level and just is connected, the lower part of clean room is provided with baffle one, and the one end of baffle one is close to the interior wall connection that the room is close to the clean room with the box, and the other end is smashed the room with the second grade and is close to the lateral wall upper end of clean room one side and be connected.
The one-level crushing device comprises two first rotating shafts, a first driving device and a second driving device, wherein a first roller is coaxially sleeved outside each first rotating shaft, conical protrusions are uniformly arranged outside each first roller along the circumferential direction, and the first driving device and the second driving device are respectively connected with the first rotating shaft and used for driving the first rotating shaft.
The secondary crushing device comprises four rotating shafts II and a driving device III, the four rotating shafts II are symmetrically arranged into two rows and two columns, a roller wheel II is coaxially sleeved outside each rotating shaft II, semicircular bulges are uniformly arranged outside each roller wheel II along the circumferential direction, and the driving device III is connected with the four rotating shafts II at the same time and used for driving the rotating shafts II.
The bottom surface of the secondary crushing chamber is obliquely arranged, and one side of the secondary crushing chamber, which is provided with an opening, is lower than the side opposite to the opening, so that the finished coal ore after crushing can be conveniently discharged.
The upper end and the box roof inner wall of riser are connected, and the lower extreme is connected with the mount pad, and movable mounting has the baffle on the mount pad for prevent to block up the suction fan through the coal mine stone after the one-level crushing room is tentatively smashed.
The two sides of the air suction fan are provided with a first filter screen, and the vent is provided with a second filter screen.
The box body further comprises a discharging plate, and the discharging plate is connected with the outer wall of the box body below the discharging port.
The lower part of the secondary crushing chamber is connected with the inner wall of the bottom of the box body through a support column.
But multistage colliery reducing mechanism of high-efficient dust absorption still includes strutting arrangement, and strutting arrangement is provided with four, sets up four angles in the below of box respectively for the support box body.
The invention has the beneficial effects that:
the invention has excellent use effect, high crushing speed and high efficiency, the size of the obtained finished coal ore completely meets the requirement, and dust can be absorbed in the crushing process to prevent pollution; the invention realizes the multi-stage crushing of coal ore, collects dust by using the air curtain and finally removes dust by combining the filter screen; the invention has simple structure and simplifies the dust removal process, and because the crushing and dust removal process is dry dust removal, water does not need to be sprayed into the dust removal mechanism, only the filter screen needs to be cleaned or replaced regularly, the whole device is not easy to be blocked when in operation, and the crushing and dust removal efficiency is high.
Drawings
FIG. 1 is a schematic structural view of a high-efficiency dust-absorption multistage coal mine crushing device provided by the invention;
FIG. 2 is a right side view of the high efficiency dust absorbent multi-stage coal mine crushing apparatus provided by the present invention;
fig. 3 is a schematic structural view of the secondary crushing chamber provided by the present invention.
Wherein the content of the first and second substances,
1-a box body, 2-a supporting device, 3-a coal mine stone inlet, 4-a rotating shaft I, 5-a roller I, 6-a conical protrusion, 7-a driving motor I, 8-a motor cover I, 9-a driving motor II, 10-a motor cover II, 11-a supporting plate, 12-a reinforcing fixing plate, 13-a vertical plate, 14-a mounting seat, 15-a baffle plate, 16-a ventilation opening, 17-a partition plate II, 18-an air suction fan, 19-a secondary crushing chamber, 20-a driving motor III, 21-a motor cover III, 22-a rotating shaft II, 23-a roller II, 24-a supporting column, 25-a discharge opening, 26-a blanking plate and 27-a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problems in the prior art, as shown in fig. 1 to 3, the invention provides a high-efficiency dust-absorption multistage coal ore crushing device which comprises a box body 1, a primary crushing chamber, a secondary crushing chamber 19 and a dust removal chamber, wherein the primary crushing chamber and the dust removal chamber are arranged at the upper part in the box body 1, the primary crushing chamber and the dust removal chamber are separated by a vertical plate 13, the upper end of the vertical plate 13 is connected with the inner wall of a top plate of the box body 1, the lower end of the vertical plate is connected with an installation seat 14, and a baffle 15 is movably arranged on the installation seat 14 and used for preventing coal mine stones preliminarily crushed by the primary crushing chamber from blocking a suction. In the invention, as shown in figure 1, a primary crushing chamber is enclosed by the inner wall of a box body 1, a vertical plate 13 and a supporting plate 11, one side of the supporting plate 11 close to the inner wall of the box body 1 is higher than one side of the supporting plate 11 close to a secondary crushing chamber 19 so as to enable coal mine stones primarily crushed by a primary crushing device to smoothly enter the secondary crushing chamber 19, a reinforcing fixing plate 12 is arranged below the supporting plate 11, the reinforcing fixing plate 12 is fixedly arranged on the adjacent inner wall of the box body 1 through a supporting rod, and two rotating shafts one 4 of the primary crushing device are arranged along the opposite angle of the primary crushing chamber so as to enable coal ores entering from a coal mine inlet to pass through between the two rotating shafts one 4. When the baffle 15 naturally droops, the lower end of the baffle 15 is positioned above the inlet of the secondary crushing chamber 19, coal mine stones crushed by the primary crushing chamber can contact with the baffle 15 when entering the secondary crushing chamber 19, the blanking speed of the primary crushing chamber can be controlled by automatically adjusting the position due to the self-weight action of the baffle 15, the blanking speed is controlled by the self-weight pressure, and the secondary crushing device in the secondary crushing chamber 19 can be prevented from being blocked.
The lower part is provided with second grade crushing chamber 19 in box 1, as shown in fig. 1, second grade crushing chamber 19 is enclosed by box 1 inner wall, riser 13, baffle one and baffle two 17 and is synthesized, as shown in fig. 3, the bottom surface slope setting of second grade crushing chamber 19, second grade crushing chamber 19 is provided with open-ended one side and is less than rather than relative one side, the discharge of the finished product coal ore after being convenient for smash, support column 24 and box 1 bottom inner wall connection are passed through to second grade crushing chamber 19's below for alleviate device weight, improve the open position, make things convenient for the unloading.
One side that the chamber was smashed to 1 top of box is close to the one-level is equipped with coal ore import 3, and room intercommunication is smashed with the one-level to coal mine stone import 3, and the export and the kibbling import intercommunication of second grade of room are smashed to the one-level to make preliminary kibbling coal mine stone enter into the second grade and smash chamber 19, and the lateral wall lower part that the chamber 19 was smashed to the second grade is provided with the opening, and the opening communicates with the discharge gate 25 of box 1, and the finished product coal ore after will smashing is.
The one-level crushing chamber is internally provided with a one-level crushing device for preliminary crushing of coal ores, the one-level crushing device comprises two first rotating shafts 4, a first driving device and a second driving device, a first rolling wheel 5 is coaxially sleeved outside each first rotating shaft 4, conical protrusions 6 are evenly arranged outside each first rolling wheel 5 along the circumferential direction, and the first driving device and the second driving device are respectively connected with one first rotating shaft 4 and used for driving the first rotating shaft 4. In the invention, as shown in fig. 2, the first driving device comprises a first driving motor 7 and a first motor cover 8, wherein the first motor cover 8 is arranged on the outer wall of the box body 1, the first driving motor 7 is connected with a first rotating shaft 4, the second driving device comprises a second driving motor 9 and a second motor cover 10, the second motor cover 10 is arranged on the outer wall of the box body 1, and the second driving motor 9 is connected with the first rotating shaft 4.
One side of the dust removal chamber, which is close to the outlet of the primary crushing chamber and the inlet of the secondary crushing chamber, is provided with a suction fan 18 for sucking dust into the dust removal chamber, one side of the dust removal chamber, which is located on the side wall of the box body 1, is provided with a vent 16 for discharging dust in the dust removal chamber, two sides of the suction fan 18 are provided with a first filter screen, and the vent 16 is provided with a second filter screen. The invention is provided with the air suction fan 18, realizes dust collection by utilizing an air curtain, combines the filter screen I and the filter screen II for dust removal, has simple structure, simplifies the dust removal process, adopts dry dust removal process, does not need to spray water into the dust removal mechanism, only needs to regularly clean the filter screen I and clean or replace the filter screen II, has low possibility of blockage of the dust removal device, and has high crushing and dust removal efficiency.
Be provided with second grade reducing mechanism in the second grade crushing room 19 for the degree of depth of coal ore is smashed, and second grade reducing mechanism includes two 22 and the drive arrangement three in four pivots, and two lines are two into to four two 22 symmetrical arrangement of pivot, and the outside coaxial cover of every two 22 pivots is equipped with two 23 running rollers, and every two 23 outsides of running roller evenly are provided with semi-circular arch along circumference, and drive arrangement three is connected with two 22 of four pivots simultaneously for drive pivot two 22. In the invention, four through holes 27 are arranged on one side of the secondary crushing chamber 19 opposite to the side thereof provided with the opening, the driving device III comprises a driving motor III 20 and a motor cover III 21, wherein the motor cover III 21 is arranged on the outer wall of the box body 1, four rotating shafts II 22 penetrate through the through holes 27 to be connected with the driving motor III 20, the four rotating shafts II 22 of the secondary crushing device are symmetrically arranged in two rows and two columns in the secondary crushing chamber 19, the distance between the four rotating shafts II 22 is adjustable, and the gap between two adjacent mixing wheels II is adjusted to the maximum length of finished coal ore, so that the coal ore can be crushed better, and the crushing speed and efficiency are improved.
The lower part that the room was smashed to the one-level is provided with backup pad 11, the one end of backup pad 11 is close to the interior wall connection that room one side was smashed to the one-level with box 1, the other end smashes room 19 with the second grade and is close to the high parallel and level in lateral wall upper end that room one side was smashed to the one-level and is connected, the lower part of clean room is provided with baffle one, the one end of baffle one and the interior wall connection that box 1 is close to the clean room, the other end is smashed room 19 with the second grade and is close to the lateral wall upper end of clean room one side and be connected, baffle one is close to the one end that room 19 was smashed to.
As shown in fig. 2, the box body 1 further comprises a blanking plate, and the blanking plate 26 is connected with the outer wall of the box body 1 below the discharge hole 25, so that the lift is larger during blanking.
But multistage colliery reducing mechanism of high-efficient dust absorption still includes strutting arrangement 2, and strutting arrangement 2 is provided with four, sets up four angles in the below of box 1 respectively for support box 1.
The working principle of the invention is as follows:
coal ore gets into one-level crushing room through coal mine stone import 3, one-level reducing mechanism is tentatively smashed the colliery, tentatively smashed the coal mine and enter into in second grade crushing room 19 after the 15 control unloading speeds of adjustable fender, suction fan 18 is with the dust suction this moment, adopt the dry-type dust removal method, need not to spray the dust removal water smoke in to the device, there is not the problem that dust collecting equipment blockked up, pivot two 22 adopts parallel arrangement with three 20 pivots of driving motor, the size of finished coal is by the second grade crushing room 19 distance control between two 23 of running roller, can obtain the coal ore of more even required size behind the secondary crushing, the finished coal ore is discharged by discharge gate 25.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A high-efficiency dust-absorbable multi-stage coal mine stone crushing device is characterized by comprising a box body, a primary crushing chamber, a secondary crushing chamber and a dust removing chamber;
the upper part in the box body is provided with a primary crushing chamber and a dust removal chamber, the primary crushing chamber and the dust removal chamber are separated by a vertical plate, the upper end of the vertical plate is connected with the inner wall of a top plate of the box body, the lower end of the vertical plate is connected with a mounting seat, and a baffle is movably mounted on the mounting seat and used for preventing coal mine stones preliminarily crushed by the primary crushing chamber from blocking a suction fan; the lower part in the box body is provided with a secondary crushing chamber, one side of the upper part of the box body, which is close to the primary crushing chamber, is provided with a coal mine stone inlet, the coal mine stone inlet is communicated with the primary crushing chamber, an outlet of the primary crushing chamber is communicated with a secondary crushing inlet, so that primarily crushed coal mine stones enter the secondary crushing chamber, when the baffle naturally droops, the lower end of the baffle is positioned above an inlet of the secondary crushing chamber, the coal mine stones crushed by the primary crushing chamber contact the baffle when entering the secondary crushing chamber, the baffle controls the blanking speed of the primary crushing chamber through automatic position adjustment due to the self-weight effect, the blanking speed is controlled through the self-weight pressure, and the secondary crushing device in the secondary crushing chamber is prevented from being; an opening is formed in the lower portion of the side wall of the secondary crushing chamber, the opening is communicated with a discharge hole of the box body, and crushed finished coal mine stones are discharged;
a primary crushing device is arranged in the primary crushing chamber and is used for primary crushing of coal ores;
one side of the dust chamber, which is close to the outlet of the primary crushing chamber and the inlet of the secondary crushing chamber, is provided with an air suction fan for sucking dust into the dust chamber, and one side of the dust chamber, which is positioned on the side wall of the box body, is provided with a vent for discharging the dust in the dust chamber;
and a secondary crushing device is arranged in the secondary crushing chamber and is used for deeply crushing coal ores.
2. The efficient dust-absorbing multistage coal mine stone crushing device as claimed in claim 1, wherein a supporting plate is arranged at the lower part of the primary crushing chamber, one end of the supporting plate is connected with the inner wall of the box body close to one side of the primary crushing chamber, the other end of the supporting plate is flush and connected with the upper end of the side wall of the secondary crushing chamber close to one side of the primary crushing chamber, a first partition plate is arranged at the lower part of the dust removal chamber, one end of the first partition plate is connected with the inner wall of the box body close to the dust removal chamber, the other end of the first partition plate is connected with the upper end of the side wall of the secondary crushing chamber close to one side of the dust removal chamber, one end of the first partition plate close to the secondary crushing.
3. The efficient dust-absorbing multistage coal mine stone crushing device as recited in claim 1, wherein the primary crushing device comprises two first rotating shafts, a first driving device and a second driving device, a first roller is coaxially sleeved outside each first rotating shaft, conical protrusions are uniformly arranged on the outer portion of each first roller along the circumferential direction, and the first driving device and the second driving device are respectively connected with the first rotating shafts and used for driving the first rotating shafts.
4. The efficient dust-absorbing multistage coal mine stone crushing device as claimed in claim 1, wherein the secondary crushing device comprises four second rotating shafts and a third driving device, the four second rotating shafts are symmetrically arranged in two rows and two columns, a second roller is coaxially sleeved outside each second rotating shaft, semicircular bulges are uniformly arranged outside each second roller along the circumferential direction, and the third driving device is simultaneously connected with the four second rotating shafts and used for driving the second rotating shafts.
5. The efficient dust-collecting multistage coal mine stone crushing device as recited in claim 1, wherein the bottom surface of the secondary crushing chamber is inclined, and the side of the secondary crushing chamber provided with the opening is lower than the side opposite to the opening, so that crushed finished coal ore can be discharged conveniently.
6. The efficient dust collecting multistage coal mine stone crushing device as recited in claim 1, wherein a first filter screen is arranged on two sides of the suction fan, and a second filter screen is arranged at the air vent.
7. The efficient dust collecting multistage coal mine stone crushing device as recited in claim 1, wherein the box body further comprises a blanking plate, and the blanking plate is connected with the outer wall of the box body below the discharge port.
8. The efficient dust-suction multistage coal mine stone crushing device as claimed in claim 1, wherein the lower part of the secondary crushing chamber is connected with the inner wall of the bottom of the box body through a support column.
9. The efficient dust collecting multistage coal mine stone crushing device as recited in claim 1, further comprising four supporting devices, which are respectively arranged at four corners of the lower part of the box body and used for supporting the box body.
Priority Applications (1)
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CN201811057860.3A CN109046573B (en) | 2018-09-11 | 2018-09-11 | High-efficient multistage coal ore reducing mechanism that can absorb dust |
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CN201811057860.3A CN109046573B (en) | 2018-09-11 | 2018-09-11 | High-efficient multistage coal ore reducing mechanism that can absorb dust |
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CN109046573A CN109046573A (en) | 2018-12-21 |
CN109046573B true CN109046573B (en) | 2020-11-20 |
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CN201811057860.3A Expired - Fee Related CN109046573B (en) | 2018-09-11 | 2018-09-11 | High-efficient multistage coal ore reducing mechanism that can absorb dust |
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Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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GB407316A (en) * | 1932-08-13 | 1934-03-13 | Windham Francis Carey | Improvements in or relating to the pulverising of coal |
US20130193245A1 (en) * | 2012-01-27 | 2013-08-01 | David M. Futa | Apparatus and method for producing crumb rubber |
US8695907B2 (en) * | 2012-04-20 | 2014-04-15 | Metso Minerals Industries, Inc. | Roller crusher with cheek plates |
CN204182461U (en) * | 2014-11-10 | 2015-03-04 | 广东梅雁吉祥实业投资股份有限公司 | A kind of ore grinding screening all-in-one machine with dedusting function |
CN204724224U (en) * | 2015-05-22 | 2015-10-28 | 四川省江油市蜀玉实业有限公司 | A kind of circulation disintegrating machine |
CN105195254A (en) * | 2015-10-26 | 2015-12-30 | 灌阳县陈工选矿机械制造有限公司 | Multistage crusher for mining use |
CN206104017U (en) * | 2016-08-29 | 2017-04-19 | 江苏省苏中建设集团股份有限公司 | Efficient stone rubbing crusher |
CN206325356U (en) * | 2016-12-28 | 2017-07-14 | 山东象力丰生物科技有限公司 | A kind of dust arrester for being used to produce compoiste fertilizer |
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