CN111014002B - Coal mine screening machine for mining - Google Patents

Coal mine screening machine for mining Download PDF

Info

Publication number
CN111014002B
CN111014002B CN201911378935.2A CN201911378935A CN111014002B CN 111014002 B CN111014002 B CN 111014002B CN 201911378935 A CN201911378935 A CN 201911378935A CN 111014002 B CN111014002 B CN 111014002B
Authority
CN
China
Prior art keywords
fixedly connected
wall
coal mine
mining
main body
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.)
Active
Application number
CN201911378935.2A
Other languages
Chinese (zh)
Other versions
CN111014002A (en
Inventor
孙宏林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Chuangye Mining Machinery Manufacturing Co ltd
Original Assignee
Taizhou Chuangye Mining Machinery Manufacturing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taizhou Chuangye Mining Machinery Manufacturing Co ltd filed Critical Taizhou Chuangye Mining Machinery Manufacturing Co ltd
Priority to CN201911378935.2A priority Critical patent/CN111014002B/en
Publication of CN111014002A publication Critical patent/CN111014002A/en
Application granted granted Critical
Publication of CN111014002B publication Critical patent/CN111014002B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18Drum screens
    • B07B1/22Revolving drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00Loading or unloading
    • B65G65/30Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34Emptying devices
    • B65G65/40Devices for emptying otherwise than from the top
    • B65G65/48Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
    • B65G65/4881Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially horizontal axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention relates to the technical field of mining and discloses a coal mine screening machine for mining, which comprises a fixing frame, wherein the top of the fixing frame is fixedly connected with a conveyor belt main body, the outer wall of the conveyor belt main body is movably connected with a first rolling shaft, the outer wall of the first rolling shaft is movably connected with a first belt line, the top of the conveyor belt main body is fixedly connected with a first motor, and the output end of the first motor is movably connected with the inner wall of the conveyor belt main body through a coupler. This coal mine sieve separator for mining can dismantle the play flitch and get off, solved general coal mine sieve separator for mining and can not clear up the inside of discharge gate after screening the colliery to can cause the problem that reduces general coal mine sieve separator work efficiency, can clear up the surface of a flitch, can not make the inside of this coal mine sieve separator produce the phenomenon of siltation, and then can improve the work efficiency of this coal mine sieve separator, satisfied the user demand of this coal mine sieve separator.

Description

Coal mine screening machine for mining
Technical Field
The invention relates to the technical field of mining, in particular to a coal mine screening machine for mining.
Background
A mine refers to an independent production and operation unit for mining ores in a certain mining boundary. The mine mainly comprises one or more mining workshops (or called pithes, mines, open stopes and the like) and auxiliary workshops, most of the mines also comprise ore dressing plants (coal washing plants), the mines comprise coal mines, metal mines, non-metal mines, building material mines, chemical mines and the like, the scale (also called production capacity) of the mines is usually expressed by annual or daily output, and the annual output, namely the quantity of ores produced by the mines per year, is divided into three types, namely large, medium and small according to the output.
And the internal residues of the existing mine need to be filtered and screened in the mining process, so that the quality of the mined coal is ensured, but the existing coal mine screening machine cannot clean the position of the discharge port after the coal mine is screened, so that a large amount of residues are easily deposited in the discharge port, the subsequent use of the coal mine screening machine is influenced, the working efficiency of the coal mine screening machine is reduced, and the use requirement of the coal mine screening machine cannot be met.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a coal mine screening machine for mining, which has the advantages of improving the working efficiency of the coal mine screening machine and the like, and solves the problems that the subsequent use of the coal mine screening machine is influenced, the working efficiency of the coal mine screening machine is reduced and the use requirement of the coal mine screening machine cannot be met because the discharge hole cannot be cleaned after the existing coal mine screening machine works.
(II) technical scheme
In order to achieve the purpose of improving the working efficiency of the coal mine screening machine, the invention provides the following technical scheme: a coal mine screening machine for mining comprises a fixing frame, wherein a conveyor belt main body is fixedly connected to the top of the fixing frame, a first rolling shaft is movably connected to the outer wall of the conveyor belt main body, a first belt line is movably connected to the outer wall of the first rolling shaft, a first motor is fixedly connected to the top of the conveyor belt main body, the output end of the first motor is movably connected with the inner wall of the conveyor belt main body through a coupler, a fixing plate is fixedly connected to the top of the conveyor belt main body, a supporting frame is fixedly connected to the top of the conveyor belt main body, a feeding cylinder is fixedly connected to the inner wall of the supporting frame, an inlet pipe is fixedly connected to the bottom of the feeding cylinder, a screening cylinder is movably connected to one end of the inlet pipe, a fixing rod is fixedly connected to the top of the conveyor belt main body, a motor supporting frame is fixedly connected to the outer wall of the fixing rod, and a second motor is fixedly connected to one end of the motor supporting frame, the output shaft of the second motor is movably connected with a second belt line through a coupler, the inner wall of the second belt line is movably connected with a second rolling shaft, one end of the second rolling shaft is movably connected with one end of the screening drum, a supporting block is fixedly connected to the inner wall of the fixing frame, a connecting groove is formed in one side of the supporting block, and a discharging plate is movably connected to the inner wall of the connecting groove.
Preferably, the inner wall fixedly connected with bracing piece of a screen drum, and the quantity of bracing piece is four, and four bracing pieces are annular equidistance distribution at the inner wall of a screen drum.
Preferably, the discharge plate is an arc-shaped discharge plate, the shape and size of the discharge plate are matched with those of the connecting groove, and the discharge plate is connected with the supporting block in a sliding mode through the connecting groove.
Preferably, the screen cylinder is a mesh screen cylinder, and the screen cylinder is an inclined screen cylinder.
Preferably, the outer wall fixedly connected with second lantern ring of a feeding section of thick bamboo, and the inner wall swing joint of second lantern ring has the third pivot, and the outer wall of third pivot rotates and is connected with the first lantern ring, the outer wall fixedly connected with movable cover of the first lantern ring.
Preferably, the top of supporting shoe is fixedly connected with a first rotating shaft, and the outer wall swing joint of first rotating shaft has a first connecting sleeve, the outer wall fixedly connected with fly leaf of first connecting sleeve, the bottom swing joint of fly leaf has a fourth rotating shaft, and the outer wall swing joint of fourth rotating shaft has a second connecting sleeve, and the outer wall fixedly connected with limiting plate of second connecting sleeve.
Preferably, the length of the movable plates is greater than that of the supporting block, and the number of the movable plates is two.
Third, beneficial effect
Compared with the prior art, the invention provides a coal mine screening machine for mining, which has the following beneficial effects:
1. this colliery sieve separator for mining, through the play flitch, the mount, the limiting plate, the supporting shoe, the spread groove, first pivot, first connecting sleeve, the fly leaf, the mutual matching of second connecting sleeve and fourth pivot, can dismantle the play flitch, it can not clear up the inside of discharge gate to have solved general colliery sieve separator for mining after screening the colliery, thereby can cause the problem that reduces general colliery sieve separator work efficiency, can clear up the surface of play flitch, can not make the phenomenon that the inside production siltation of this colliery sieve separator, and then can improve the work efficiency of this colliery sieve separator, the user demand of this colliery sieve separator has been satisfied.
2. This colliery sieve separator for mining through the feeding section of thick bamboo, movable cover, the first lantern ring, third pivot and the second lantern ring that set up, can protect the top of feeding section of thick bamboo to the movable cover to prevent that the dust from entering into the inside of feeding section of thick bamboo, can avoid the dust to cause the damage to the inside of colliery sieve separator.
3. This colliery sieve separator for mining through fixed plate, support frame, mount, conveyer belt main part, first roller bearing, first belt line and the first motor that sets up, can discharge away through the conveyer belt main part after the screening in the colliery, can improve the work efficiency that the colliery was screened.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the discharge plate structure of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
In the figure: 1. a feed pipe; 2. fixing the rod; 3. a discharge plate; 4. a screening cylinder; 5. a fixing plate; 6. a support frame; 7. a fixed mount; 8. a conveyor belt body; 9. a first roller; 10. a first belt line; 11. a first motor; 12. a feeding cylinder; 13. a motor support frame; 14. a second motor; 15. a support bar; 16. a second roller; 17. a limiting plate; 18. a support block; 19. a second belt line; 20. connecting grooves; 21. a first rotating shaft; 22. a first connecting sleeve; 23. a movable plate; 24. a movable cover; 25. a first collar; 26. a third rotating shaft; 27. a second collar; 28. a second connecting sleeve; 29. and a fourth rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments 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.
Referring to fig. 1-5, a coal mine screening machine for mining comprises a fixing frame 7, a conveyor belt main body 8 is fixedly connected to the top of the fixing frame 7, a first roller 9 is movably connected to the outer wall of the conveyor belt main body 8, a first belt line 10 is movably connected to the outer wall of the first roller 9, a first motor 11 is fixedly connected to the top of the conveyor belt main body 8, the output end of the first motor 11 is movably connected to the inner wall of the conveyor belt main body 8 through a coupler, a fixing plate 5 is fixedly connected to the top of the conveyor belt main body 8, a support frame 6 is fixedly connected to the top of the conveyor belt main body 8, the first roller 9, the first belt line 10 and the first motor 11 are arranged, so that coal mine can be discharged through the conveyor belt main body 8 after being screened, and the working efficiency of coal mine screening can be improved, the inner wall of the support frame 6 is fixedly connected with a feeding barrel 12, the outer wall of the feeding barrel 12 is fixedly connected with a second lantern ring 27, the inner wall of the second lantern ring 27 is movably connected with a third rotating shaft 26, the outer wall of the third rotating shaft 26 is rotatably connected with a first lantern ring 25, the outer wall of the first lantern ring 25 is fixedly connected with a movable cover 24, through the arranged feeding barrel 12, the movable cover 24, the first lantern ring 25, the third rotating shaft 26 and the second lantern ring 27, the movable cover 24 can protect the top of the feeding barrel 12, so that dust is prevented from entering the interior of the feeding barrel 12, the dust can be prevented from damaging the interior of the coal mine screening machine, the bottom of the feeding barrel 12 is fixedly connected with a feeding pipe 1, one end of the feeding pipe 1 is movably connected with a screening barrel 4, the inner wall of the screening barrel 4 is fixedly connected with supporting rods 15, the number of the supporting rods 15 is four, and the four supporting rods 15 are distributed in an annular shape at equal intervals on the inner wall of the screening barrel 4, the screening cylinder 4 is a net-shaped screening cylinder, the screening cylinder 4 is an inclined screening cylinder, the top of the conveyor belt main body 8 is fixedly connected with a fixed rod 2, the outer wall of the fixed rod 2 is fixedly connected with a motor supporting frame 13, one end of the motor supporting frame 13 is fixedly connected with a second motor 14, the output shaft of the second motor 14 is movably connected with a second belt line 19 through a coupler, the inner wall of the second belt line 19 is movably connected with a second roller 16, one end of the second roller 16 is movably connected with one end of the screening cylinder 4, the inner wall of the fixing frame 7 is fixedly connected with a supporting block 18, the top of the supporting block 18 is fixedly connected with a first rotating shaft 21, the outer wall of the first rotating shaft 21 is movably connected with a first connecting sleeve 22, the outer wall of the first connecting sleeve 22 is fixedly connected with a movable plate 23, the bottom of the movable plate 23 is movably connected with a fourth rotating shaft 29, and the outer wall of the fourth rotating shaft 29 is movably connected with a second connecting sleeve 28, the outer wall of the second connecting sleeve 28 is fixedly connected with a limiting plate 17, the length of the movable plate 23 is greater than that of the supporting block 18, the number of the movable plates 23 is two, one side of the supporting block 18 is provided with a connecting groove 20, the inner wall of the connecting groove 20 is movably connected with a discharging plate 3, the discharging plate 3 is an arc-shaped discharging plate, the shape and size of the discharging plate 3 are matched with those of the connecting groove 20, the discharging plate 3 is connected with the supporting block 18 in a sliding manner through the connecting groove 20, the discharging plate 3 can be detached through the matching of the discharging plate 3, the fixing frame 7, the limiting plate 17, the supporting block 18, the connecting groove 20, the first rotating shaft 21, the first connecting sleeve 22, the movable plate 23, the second connecting sleeve 28 and the fourth rotating shaft 29, and the problem that the working efficiency of a common coal mine mining coal mine screening machine cannot be cleaned after the coal mine screening machine is screened is solved, and therefore the working efficiency of the common coal mine screening machine is reduced, can clear up the surface that goes out flitch 3, can not make the inside of this colliery sieve separator produce the phenomenon of siltation, and then can improve the work efficiency of this colliery sieve separator, satisfy the user demand of this colliery sieve separator.
When using, start first motor 11, first motor 11 drives first roller bearing 9 through first belt line 10 and rotates, and then drive conveyer belt main part 8 and carry out work, start second motor 14 simultaneously and drive filter cylinder 4 and rotate, then pour the coal mine that needs the screening into the inside of feed cylinder 12, the coal mine passes through the inside that inlet pipe 1 got into filter cylinder 4, filter the inside residue in coal mine through pivoted filter cylinder 4, the coal mine after the screening at last is through going out flitch 3 and discharging downwards, dismantle flitch 3 at last, clear up the waste residue on flitch 3 surface, thereby accomplish work.
In conclusion, this mine is opened and is adopted the colliery sieve separator, has reached the effect that improves colliery sieve separator work efficiency, has solved general colliery sieve separator and can not clear up the discharge gate after work, leads to influencing the follow-up use of colliery sieve separator, has reduced colliery sieve separator work efficiency's problem, satisfies the user demand of colliery sieve separator.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a coal mine sieve separator for mining, includes mount (7), its characterized in that: the conveying belt comprises a fixing frame (7), a conveying belt main body (8) is fixedly connected to the top of the fixing frame (7), a first rolling shaft (9) is movably connected to the outer wall of the conveying belt main body (8), a first belt line (10) is movably connected to the outer wall of the first rolling shaft (9), a first motor (11) is fixedly connected to the top of the conveying belt main body (8), the output end of the first motor (11) is movably connected with the inner wall of the conveying belt main body (8) through a shaft coupler, a fixing plate (5) is fixedly connected to the top of the conveying belt main body (8), a supporting frame (6) is fixedly connected to the top of the conveying belt main body (8), a feeding cylinder (12) is fixedly connected to the inner wall of the supporting frame (6), an inlet pipe (1) is fixedly connected to the bottom of the feeding cylinder (12), and a screening cylinder (4) is movably connected to one end of the inlet pipe (1), the top fixedly connected with dead lever (2) of conveyer belt main part (8), outer wall fixedly connected with motor support frame (13) of dead lever (2), one end fixedly connected with second motor (14) of motor support frame (13), the output shaft of second motor (14) has second belt line (19) through shaft coupling swing joint, the inner wall swing joint of second belt line (19) has second roller bearing (16), the one end of second roller bearing (16) and the one end swing joint of sieve tube (4), the inner wall fixedly connected with supporting shoe (18) of mount (7), spread groove (20) have been seted up to one side of supporting shoe (18), the inner wall swing joint of spread groove (20) has ejection of compact board (3).
2. A coal mine screening machine for mining as claimed in claim 1 wherein: the inner wall fixedly connected with bracing piece (15) of screen drum (4), and the quantity of bracing piece (15) is four, and four bracing pieces (15) are annular equidistance distribution at the inner wall of screen drum (4).
3. A coal mine screening machine for mining as claimed in claim 1 wherein: the discharging plate (3) is an arc-shaped discharging plate, the shape and the size of the discharging plate (3) are matched with those of the connecting groove (20), and the discharging plate (3) is connected with the supporting block (18) in a sliding mode through the connecting groove (20).
4. A coal mine screening machine for mining as claimed in claim 1 wherein: the screening drum (4) is a net-shaped screening drum, and the screening drum (4) is an inclined screening drum.
5. A coal mine screening machine for mining as claimed in claim 1 wherein: the outer wall fixedly connected with second lantern ring (27) of feed cylinder (12), and the inner wall swing joint of second lantern ring (27) has third pivot (26), and the outer wall of third pivot (26) rotates and is connected with first lantern ring (25), the outer wall fixedly connected with movable cover (24) of first lantern ring (25).
6. A coal mine screening machine for mining as claimed in claim 1 wherein: the utility model discloses a supporting shoe, including supporting shoe (18), the first pivot of top fixedly connected with (21), and the outer wall swing joint of first pivot (21) has first connecting sleeve (22), the outer wall fixedly connected with fly leaf (23) of first connecting sleeve (22), the bottom swing joint of fly leaf (23) has fourth pivot (29), and the outer wall swing joint of fourth pivot (29) has second connecting sleeve (28), and the outer wall fixedly connected with limiting plate (17) of second connecting sleeve (28).
7. A coal mine screening machine for mining as claimed in claim 6, wherein: the length of the movable plates (23) is greater than that of the supporting blocks (18), and the number of the movable plates (23) is two.
CN201911378935.2A 2019-12-27 2019-12-27 Coal mine screening machine for mining Active CN111014002B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911378935.2A CN111014002B (en) 2019-12-27 2019-12-27 Coal mine screening machine for mining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911378935.2A CN111014002B (en) 2019-12-27 2019-12-27 Coal mine screening machine for mining

Publications (2)

Publication Number Publication Date
CN111014002A CN111014002A (en) 2020-04-17
CN111014002B true CN111014002B (en) 2022-04-05

Family

ID=70194744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911378935.2A Active CN111014002B (en) 2019-12-27 2019-12-27 Coal mine screening machine for mining

Country Status (1)

Country Link
CN (1) CN111014002B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206688879U (en) * 2017-04-07 2017-12-01 陈青 A kind of New Mine plant equipment
CN209124333U (en) * 2018-07-09 2019-07-19 四川鸿成佳建筑工程有限责任公司 A kind of architectural engineering sandstone screening plant
CN209613560U (en) * 2019-03-13 2019-11-12 李友海 A kind of coal mine screening installation of coal mining

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206688879U (en) * 2017-04-07 2017-12-01 陈青 A kind of New Mine plant equipment
CN209124333U (en) * 2018-07-09 2019-07-19 四川鸿成佳建筑工程有限责任公司 A kind of architectural engineering sandstone screening plant
CN209613560U (en) * 2019-03-13 2019-11-12 李友海 A kind of coal mine screening installation of coal mining

Also Published As

Publication number Publication date
CN111014002A (en) 2020-04-17

Similar Documents

Publication Publication Date Title
CN110918614A (en) Building rubbish breaker for building engineering
CN208945946U (en) A kind of peener
CN210646595U (en) Environment-friendly construction waste recovery device
CN110215989A (en) A kind of environment-friendly multi-stage construction waste crushing processing unit
CN211514768U (en) Construction waste smashes and uses reinforcing bar sieving mechanism
CN204583308U (en) A kind of colliery disintegrating screening machine
CN115532580A (en) Screening equipment and screening method for coal mining
CN111014002B (en) Coal mine screening machine for mining
CN215656259U (en) Opencut coal mine screening equipment
CN208627383U (en) A kind of construction crusher
CN112691726A (en) Coal washing process for coal mining
CN109499658B (en) Stone crushing device for building construction
CN108940448B (en) Collection device is smashed to old and useless fabrics
CN112246318A (en) Starch glue processing is with multistage high-efficient grinder
CN217797371U (en) Novel precleaner
CN209438952U (en) Drum type screening device for steel ball
CN114130501A (en) Coal mine screening machine for mining
CN112169889B (en) Recovery unit is smashed to building rubbish
CN212524283U (en) Limestone crushing device
CN204297710U (en) Material feeding system in a kind of flour processing process
CN113146845A (en) Highway engineering is with corrosion-resistant concrete processing equipment that permeates water
CN212068894U (en) Cement raw meal grinding device
CN112934358A (en) Building curtain wall recycling and smashing device and smashing method thereof
CN205147322U (en) Titanium chip reducing mechanism
CN205187244U (en) Transmission device that used in mine

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