CN220716144U - Gangue crushing device for dry coal dressing - Google Patents
Gangue crushing device for dry coal dressing Download PDFInfo
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- CN220716144U CN220716144U CN202322346311.0U CN202322346311U CN220716144U CN 220716144 U CN220716144 U CN 220716144U CN 202322346311 U CN202322346311 U CN 202322346311U CN 220716144 U CN220716144 U CN 220716144U
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Abstract
The utility model discloses a gangue crushing device for dry coal dressing, which comprises a treatment bin and a crushing assembly, wherein the top surface of the treatment bin is provided with a mounting opening, and the top surface of the treatment bin is provided with a detection opening; crushing subassembly sets up between the inside in handling the storehouse, and crushing subassembly includes two mounting brackets, guide way, no. two crushing warehouses, crushing warehouse, hydro-cylinder frame, two hydraulic cylinder, crushing piece, guide bar and two No. two crushing rollers. According to the utility model, the guide groove is matched with the guide shaft, so that the crushed gangue is moved and conveyed, meanwhile, the spray assembly is matched with the pickling liquid spraying assembly to realize the spraying and mixing of the pickling liquid, the effects of aluminum production and cement preparation are improved, the second crushing bin and the first crushing bin respectively crush the gangue step by step, the size of the gangue is adjusted, the contact area between the gangue and the pickling liquid is improved, and smoke dust in the transportation process and the sorting process is reduced.
Description
Technical Field
The utility model belongs to the technical field of dry coal dressing, and particularly relates to a gangue crushing device for dry coal dressing.
Background
The process of separating clean coal meeting the quality requirement of users from raw coal by coal dressing is also called coal washing, the coking coal has certain requirements on ash content and sulfur content, and the cleaned clean coal, the lithofacies composition of the coal and the quantity, the type, the property and the distribution state of mineral substances in the coal are all factors influencing the selectivity of the coal.
Aiming at the difficulty of the selectivity of raw coal, common processes of coal preparation plants include jigging, heavy medium cyclone, heavy medium shallow tank, dynamic sieve jigging, flotation and the like, and other coal preparation methods include winnowing, spiral sorting and the like.
The dry coal dressing is also called winnowing, and adopts autogenous medium (powdered coal) as gas-solid phase mixed medium for separation, so that no resource is needed, only wind power is needed, therefore, the granularity range of the selected material is wider, the material is enabled to move approximately spirally by using mechanical vibration, the wind power is utilized to loosen the bed layer and form the mixed medium with the fine material, the material does not need to be blown off the surface of the bed layer, the required wind quantity is small, and the buoyancy effect generated by the interaction of particles in the bed layer is utilized, and the closer to the gangue end, the higher the bed surface density is, thus the gangue with wide granularity grade and high purity can be obtained.
Gangue, which is mixed with stone in coal seam, contains small amount of combustible matter, is not easy to burn and is commonly called gangue. During mining, broken stone extracted from the well or mixed into the ore, the thin rock layer in the middle of the coal seam is called "stone clamping". The gangue pile on the mine floor is called as a gangue hill, and some gangue can be used as raw materials of building materials.
During the existing dry coal dressing operation, the collected materials are crushed by a crusher, then the waste rock and coal are separated by wind power through mechanical screening, the gas is filtered by a gas recovery and collection device after the separation, and the pollution of the dry coal dressing to the external air is reduced, but the existing dry coal dressing lacks the treatment of the waste rock, and is usually lifted by a winch, dumped by a gangue turning machine, naturally piled and stacked in the open air, so that a large amount of land is occupied, and when the coal waste rock is stacked in the open air, the coal waste rock is easily weathered into fine particles which are brought into the atmosphere, and the combustible hydrocarbon in the fine particles is oxidized, decomposed, dehydrogenated, polycondensed and the like at high temperature to form granular suspended matters such as carbon black, fly ash and the like.
Disclosure of Invention
Based on the problems existing in the prior art, the utility model provides the gangue crushing device for dry coal dressing, the installation of the components is completed through the installation frame in the crushing assembly, the guide groove is matched with the guide shaft, the crushed gangue is moved and conveyed, meanwhile, the spraying and mixing of the pickle liquor are realized through the matching of the guide groove and the pickle liquor spraying assembly, the effects of aluminum production and cement preparation are improved, the gangue is crushed step by the second crushing bin and the first crushing bin respectively, the size of the gangue is adjusted, the contact area between the gangue and the pickle liquor is improved, the mixing effect is improved, and meanwhile, the smoke dust in the transportation process and the sorting process is also reduced.
The technical scheme adopted by the utility model is as follows: a gangue crushing device for dry coal dressing, comprising: the top surface of the treatment bin is provided with an installation opening, and the top surface of the treatment bin is provided with a detection opening; crushing assembly, crushing assembly sets up between handling the inside in storehouse, crushing assembly includes two mounting brackets, guide way, no. two crushing storehouse, hydro-cylinder frame, two hydraulic cylinder, smash piece, guide bar and two crushing rollers No. two the mounting bracket is fixed connection respectively in the both sides inner wall of handling the storehouse, the guide way is installed between one side inner wall of two mounting brackets, no. two crushing storehouse fixed connection in the top surface of guide way, no. one crushing storehouse fixed connection in the top surface of No. two crushing storehouse, no. one crushing storehouse one side outer wall has seted up the sliding mouth, the hydro-cylinder frame extends and sets up in No. one crushing storehouse one side outer wall, two hydraulic cylinder all installs in hydro-cylinder frame one side outer wall, smash piece fixed connection in between the output of two hydraulic cylinder, and No. one crushing storehouse and sliding connection of sliding mouth, the guide bar extends to set up in No. one side inner wall of crushing storehouse, and guide bar and crushing piece sliding fit, two No. two crushing rollers all rotate and connect between No. two crushing storehouse's inner wall.
Wherein, crushing subassembly still includes shielding plate, two restriction poles and guiding axle, the shielding plate extends to set up in the inner wall in crushing storehouse No. one, two the equal extension of restriction pole sets up in the one end of crushing piece, and two the equal activity of restriction pole runs through the hydro-cylinder frame, two fixedly connected with restriction board between the one end of restriction pole, the guiding axle rotates to be connected in one side inner wall of guiding groove, the outer wall extension of guiding axle is provided with the transmission leaf.
Wherein, two the outer wall of No. two crushing rollers all overlaps and is equipped with the synchronizing wheel, two pass through the hold-in range transmission between the synchronizing wheel and connect, crushing roller motor is installed to one side outer wall in No. two crushing storehouse, the output of crushing roller motor and one of them No. two one end fixed connection of crushing roller.
The outer wall of one side of the mounting frame is provided with a transmission motor, and the output end of the transmission motor is fixedly connected with one end of the guide shaft; and the pickle liquor spraying assembly is arranged in the treatment bin and used for spraying and mixing crushed gangue.
Wherein, pickling liquid spray the subassembly and include mount table, spray tube and shunt, mount table fixed connection is in the top surface of handling the storehouse, every group spray tube all is provided with a plurality ofly, every group a plurality of spray tube all inserts the inside of locating the mount table, every group a plurality of fixedly connected with shunt between the input of spray tube.
The conveying belt is arranged between the inner walls of the treatment bins, and the screening frame is arranged between the inner walls of the treatment bins.
Wherein, internally mounted of screening frame has metal screening net, vibration motor is installed to the top surface of metal screening net.
Wherein, two fans are installed to the inner wall of one side of processing storehouse, a plurality of vents have been seted up to the outer wall of one side of processing storehouse.
Wherein, the outer wall of both sides of handling the storehouse is all fixedly connected with support frame.
Wherein, the bottom surface of handling storehouse is provided with a plurality of collection storehouse.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
(1) According to the utility model, the installation of the components is completed through the installation frame in the crushing assembly, the guide groove is matched with the guide shaft, the crushed gangue is moved and conveyed, meanwhile, the spraying and mixing of the pickle liquor are realized through the matching of the guide groove and the pickle liquor spraying assembly, the effects of aluminum production and cement preparation are improved, the second crushing bin and the first crushing bin respectively crush the gangue step by step, the size of the gangue is adjusted, the contact area between the gangue and the pickle liquor is improved, the mixing effect is improved, and meanwhile, the smoke dust in the transportation process and the sorting process is reduced.
(2) According to the utility model, the hydraulic oil cylinder drives the crushing blocks to primarily crush the gangue, meanwhile, the gangue with larger size cannot directly fall down beyond the crushing blocks, so that the control of the size of the gangue by workers is facilitated, the two second crushing rollers cooperate to secondarily crush the gangue, the size of the gangue is reduced again, the mixing effect is improved, and meanwhile, the gangue is classified and collected through the metal screening net, so that the gangue with different sizes can be used for different purposes.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a rear perspective view of the present utility model;
FIG. 3 is a cross-sectional perspective view of the present utility model;
FIG. 4 is a perspective view of a shredder assembly of the present utility model;
FIG. 5 is a rear perspective view of the shredder assembly of the present utility model;
FIG. 6 is a partial perspective view of the shredder assembly of the present utility model;
FIG. 7 is a partial bottom perspective view of the shredder assembly of the present utility model;
FIG. 8 is a perspective view of the pickle liquor spray assembly of the present utility model.
The marks in the figure: 1. a treatment bin; 2. a crushing assembly; 201. a mounting frame; 202. a guide groove; 203. a second crushing bin; 204. a first crushing bin; 205. an oil cylinder frame; 206. a hydraulic cylinder; 207. crushing the pieces; 208. a guide rod; 209. a shielding plate; 210. a restraining bar; 211. a guide shaft; 212. a second crushing roller; 213. a pulverizing roller motor; 3. a pickling liquid spraying assembly; 301. a mounting table; 302. a spray tube; 303. a shunt; 304. a probe inlet; 4. a transmission belt; 5. a screening frame; 6. a metal screening net; 7. a vibration motor; 8. a fan; 9. a vent; 10. a collecting bin; 11. and (5) supporting frames.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The gangue crushing device for dry coal dressing comprises a treatment bin and a crushing assembly, wherein the top surface of the treatment bin is provided with a mounting opening, and the top surface of the treatment bin is provided with a detection opening; the crushing assembly is arranged between the interiors of the treatment bins, the crushing assembly comprises two mounting frames, a guide groove, a second crushing bin, a first crushing bin, an oil cylinder frame, two hydraulic oil cylinders, crushed pieces, a guide rod and two second crushing rollers, the two mounting frames are respectively and fixedly connected to the inner walls of the two sides of the treatment bins, the guide groove is arranged between the inner walls of one side of the two mounting frames, the second crushing bin is fixedly connected to the top surface of the guide groove, the first crushing bin is fixedly connected to the top surface of the second crushing bin, a sliding opening is formed in the outer wall of one side of the first crushing bin, the oil cylinder frame is extended to be arranged on the outer wall of one side of the first crushing bin, the two hydraulic oil cylinders are both arranged on the outer wall of one side of the oil cylinder frame, the crushing blocks are fixedly connected between the output ends of the two hydraulic oil cylinders, the first crushing bin and the sliding opening are in sliding connection, the guide rod is extended to be arranged on the inner wall of one side of the first crushing bin, the guide rod is in sliding fit with the crushing blocks, and the two second crushing rollers are both rotationally connected between the inner walls of the second crushing bin; and the pickle liquor spraying assembly is arranged in the treatment bin and used for spraying and mixing crushed gangue.
Wherein, crushing subassembly still includes shielding plate, two restriction poles and guiding axle, the shielding plate extends to set up in the inner wall in crushing storehouse No. one, two the equal extension of restriction pole sets up in the one end of crushing piece, and two the equal activity of restriction pole runs through the hydro-cylinder frame, two fixedly connected with restriction board between the one end of restriction pole, the guiding axle rotates to be connected in one side inner wall of guiding groove, the outer wall extension of guiding axle is provided with the transmission leaf. Two the outer wall of No. two crushing rollers all overlaps and is equipped with the synchronizing wheel, two pass through the hold-in range transmission between the synchronizing wheel and connect, crushing roller motor is installed to one side outer wall in No. two crushing storehouse, the output of crushing roller motor and one of them No. two one end fixed connection of crushing roller. The transmission motor is installed on the outer wall of one side of the mounting frame, and the output end of the transmission motor is fixedly connected with one end of the guide shaft.
The pickling solution spraying device comprises a treatment bin, and is characterized by further comprising a pickling solution spraying assembly which comprises an installation table, spraying pipes and a flow divider, wherein the installation table is fixedly connected to the top surface of the treatment bin, each group of spraying pipes are all provided with a plurality of spraying pipes, each group of spraying pipes are all inserted into the installation table, and each group of spraying pipes are fixedly connected with the flow divider between the input ends of the spraying pipes. A conveyor belt is arranged between the inner walls of the treatment bins, and a screening frame is arranged between the inner walls of the treatment bins; a metal screening net is arranged in the screening frame, and a vibration motor is arranged on the top surface of the metal screening net; two fans are installed on the inner wall of one side of the treatment bin, and a plurality of ventilation openings are formed in the outer wall of one side of the treatment bin. The outer walls of two sides of the treatment bin are fixedly connected with supporting frames, and a plurality of collecting bins are arranged on the bottom surface of the treatment bin.
The gangue crushing device for dry coal dressing of the present utility model is further described below with reference to fig. 1 to 6: a gangue crushing device for dry coal dressing, comprising:
the treatment bin 1 is provided with an installation opening on the top surface of the treatment bin 1, and a detection opening 304 is formed on the top surface of the treatment bin 1; the crushing assembly 2, the crushing assembly 2 is arranged between the interiors of the treatment bins 1, the crushing assembly 2 comprises two mounting frames 201, a guide groove 202, a second crushing bin 203, a first crushing bin 204, an oil cylinder frame 205, two hydraulic oil cylinders 206, a crushing block 207, a guide rod 208 and two second crushing rollers 212, the two mounting frames 201 are respectively fixedly connected to the inner walls of the two sides of the treatment bins 1, the guide groove 202 is arranged between the inner walls of one side of the two mounting frames 201, the second crushing bin 203 is fixedly connected to the top surface of the guide groove 202, the first crushing bin 204 is fixedly connected to the top surface of the second crushing bin 203, a sliding opening is formed in the outer wall of one side of the first crushing bin 204, the oil cylinder frame 205 is arranged on the outer wall of one side of the first crushing bin 204 in an extending mode, the two hydraulic oil cylinders 206 are all arranged on the outer wall of one side of the oil cylinder frame 205, the crushing block 207 is fixedly connected between the output ends of the two hydraulic oil cylinders 206, the first crushing bin 204 and the sliding opening are in sliding mode, the guide rod 208 is arranged on the inner wall of one side of the first crushing bin 204 in a sliding mode, and the guide rod 208 is in sliding mode with the crushing block 207 are in sliding mode, and the two second crushing rollers 212 are connected between the inner walls of the second crushing bin 203 in a rotating mode; and the pickle liquor spraying assembly 3 is arranged in the treatment bin 1 and is used for spraying and mixing crushed gangue.
In this embodiment: the treatment bin 1 is used for arranging the crushing assembly 2 and the pickling liquid spraying assembly 3, the installation frame 201 in the crushing assembly 2 is used for completing the installation of components, the guide groove 202 is matched with the guide shaft 211, the crushed gangue is moved and conveyed, spraying and mixing of the pickling liquid are realized by matching with the pickling liquid spraying assembly 3, the effect of aluminum making and cement preparation is improved, the second crushing bin 203 and the first crushing bin 204 are used for respectively and gradually crushing the gangue, the size of the gangue is adjusted, the contact area between the gangue and the pickling liquid is improved, the effect of mixing is improved, meanwhile, smoke dust in the transportation process and the sorting process is also reduced, the oil cylinder frame 205, the two hydraulic cylinders 206, the crushing block 207 and the guide rod 208 are matched, the hydraulic cylinders 206 can drive the crushing block 207 to perform reciprocating motion, meanwhile, the gangue cannot be subjected to primary crushing, and meanwhile, the gangue in a larger size cannot directly fall down beyond the crushing block 207, staff can control the size of the gangue, the two second crushing rollers 212 are used for cooperatively crushing the gangue, the effect of mixing is improved, the gangue is sprayed by the pickling liquid spraying assembly 3, the gangue and the aluminum making effect of the cement preparation is improved, and the smoke dust is reduced.
Specific: crushing assembly 2 still includes shielding plate 209, two restriction bars 210 and guiding axle 211, and shielding plate 209 extends to set up in the inner wall of crushing storehouse 204 No. one, and two restriction bars 210 all extend to set up in the one end of crushing piece 207, and two restriction bars 210 all run through hydro-cylinder frame 205 movably, fixedly connected with restriction board between the one end of two restriction bars 210, guiding axle 211 rotates to connect in one side inner wall of guide way 202, and the outer wall extension of guiding axle 211 is provided with the transmission leaf.
In this embodiment: the top surface of the crushing block 207 is shielded by the shielding plate 209, so that the crushing block 207 is prevented from being blocked by gangue, and the limiting rod 210 and the guide shaft 211 cooperate to limit the movement path of the crushing block 207 and prevent the crushing block 207 from shifting and misplacement.
Specific: the outer wall of two crushing roller 212 is all overlapped and is equipped with the synchronizing wheel, connects through the hold-in range transmission between two synchronizing wheels, and crushing roller motor 213 is installed to the outer wall of one side of No. two crushing storehouse 203, crushing roller motor 213's output and one of them crushing roller 212's one end fixed connection.
In this embodiment: the transmission between the two pulverizing rolls 212 is completed by the synchronizing wheel and the synchronous belt, and when one of the pulverizing rolls 212 is driven to rotate by the water pulverizing roll motor 213, the other pulverizing roll 212 also rotates together.
Specific: a transmission motor is mounted on an outer wall of one side of the mounting frame 201, and an output end of the transmission motor is fixedly connected with one end of the guide shaft 211.
In this embodiment: the guide shaft 211 is driven to rotate by the transmission motor so as to move and transport crushed gangue, wherein the top surface of the guide groove 202 is open, so that the pickling liquid spraying assembly 3 can directly spray and mix.
Specific: the pickling liquid spraying assembly 3 comprises a mounting table 301, spraying pipes 302 and a flow divider 303, wherein the mounting table 301 is fixedly connected to the top surface of the treatment bin 1, each group of spraying pipes 302 is provided with a plurality of spraying pipes, each group of spraying pipes 302 are inserted into the mounting table 301, and the flow divider 303 is fixedly connected between the input ends of each group of spraying pipes 302.
In this embodiment: the spraying pipe 302 and the flow divider 303 are arranged through the mounting table 301, the flow divider 303 is connected with an existing water pump, and then the spraying pipe 302 sprays the pickling liquid, so that the pickling liquid and the gangue are mixed.
Specific: a conveyor belt 4 is arranged between the inner walls of the treatment bins 1, and a screening frame 5 is arranged between the inner walls of the treatment bins 1.
In this embodiment: the crushed and mixed gangue is transported by the conveyor belt 4, so that the space volume required by the treatment bin 1 is reduced.
Specific: the internally mounted of screening frame 5 has metal screening net 6, and vibration motor 7 is installed to the top surface of metal screening net 6.
In this embodiment: the metal screening net 6 and the screening frame 5 are driven to vibrate through the vibration motor 7, so that crushed gangue respectively passes through the metal screening net 6, and the gangue with different sizes is classified.
Specific: two fans 8 are arranged on the inner wall of one side of the treatment bin 1, and a plurality of ventilation openings 9 are formed in the outer wall of one side of the treatment bin 1.
In this embodiment: gangue is blown by the fan 8, so that the sorting and screening effects are improved, and the ventilation opening 9 is used for exhausting gas blown by the fan 8 and avoiding the gas from entering the collecting bin 10.
Specific: the outer walls of the two sides of the treatment bin 1 are fixedly connected with a supporting frame 11.
In this embodiment: the processing bin 1 is supported by the supporting frame 11, the fixing effect of the processing bin is improved, and meanwhile, the processing bin is assisted by a forklift, so that the processing bin can be transported and moved.
Specific: the bottom surface of the treatment bin 1 is provided with a plurality of collection bins 10.
In this embodiment: the gangue with different sizes is respectively collected through the collecting bin 10, so that aluminum making, landfill or cement making work is respectively carried out.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. Gangue reducing mechanism for dry separation coal, characterized by comprising:
the treatment bin (1), the top surface of the treatment bin (1) is provided with an installation opening, and the top surface of the treatment bin (1) is provided with a detection opening (304);
crushing assembly (2), crushing assembly (2) set up between the inside of handling storehouse (1), crushing assembly (2) include two mounting brackets (201), guide way (202), no. two crushing storehouse (203), no. one crushing storehouse (204), hydro-cylinder frame (205), two hydraulic cylinder (206), smash piece (207), guide bar (208) and two No. two crushing rollers (212), two mounting brackets (201) are fixed connection respectively in the both sides inner wall of handling storehouse (1), guide way (202) are installed between the one side inner wall of two mounting brackets (201), no. two crushing storehouse (203) are fixed connection in the top surface of guide way (202), no. one crushing storehouse (204) are fixed connection in the top surface of No. two crushing storehouse (203), one side outer wall of No. one crushing storehouse (204) has seted up the sliding mouth, hydro-cylinder frame (205) extend and set up in one side outer wall of No. one crushing storehouse (204), two hydraulic cylinder (206) are all installed in one side outer wall (205), no. 207) are connected in one side (208) and are connected in the guide bar (208) and one side crushing storehouse (204) and sliding mouth is connected in one side (208), the two second crushing rollers (212) are both rotatably connected between the inner walls of the second crushing bin (203).
2. The gangue crushing device for dry coal dressing as claimed in claim 1, wherein: crushing subassembly (2) still includes shielding plate (209), two restriction bars (210) and guiding axle (211), shielding plate (209) extend and set up in the inner wall of smashing storehouse (204) No. one, two restriction bars (210) all extend and set up in the one end of crushing piece (207), and two restriction bars (210) all movably run through hydro-cylinder frame (205), two fixedly connected with limiting plate between the one end of restriction bars (210), guiding axle (211) rotate and connect in one side inner wall of guide way (202), the outer wall extension of guiding axle (211) is provided with the transmission leaf.
3. The gangue crushing device for dry coal dressing as claimed in claim 2, wherein: two the outer wall of No. two crushing roller (212) all overlaps and is equipped with the synchronizing wheel, two connect through the hold-in range transmission between the synchronizing wheel, crushing roller motor (213) are installed to one side outer wall in No. two crushing storehouse (203), the output of crushing roller motor (213) and one of them one end fixed connection of No. two crushing roller (212).
4. A gangue crushing device for dry separation of coal as claimed in claim 3, wherein: a transmission motor is arranged on the outer wall of one side of the mounting frame (201), and the output end of the transmission motor is fixedly connected with one end of the guide shaft (211); the pickle liquor spraying component (3) is arranged in the treatment bin (1) and is used for spraying and mixing crushed gangue.
5. The gangue crushing device for dry coal dressing as claimed in claim 4, wherein: the pickling liquid spraying assembly (3) comprises an installation table (301), spraying pipes (302) and a flow divider (303), wherein the installation table (301) is fixedly connected to the top surface of the treatment bin (1), each spraying pipe (302) is provided with a plurality of spraying pipes, each spraying pipe (302) is inserted into the installation table (301), and the flow divider (303) is fixedly connected between the input ends of the spraying pipes (302).
6. The gangue crushing device for dry coal dressing as claimed in claim 5, wherein: a conveyor belt (4) is arranged between the inner walls of the treatment bins (1), and a screening frame (5) is arranged between the inner walls of the treatment bins (1).
7. The gangue crushing device for dry coal dressing as claimed in claim 6, wherein: the screening frame (5) is internally provided with a metal screening net (6), and the top surface of the metal screening net (6) is provided with a vibration motor (7).
8. The gangue crushing device for dry coal dressing as claimed in claim 7, wherein: two fans (8) are installed on the inner wall of one side of the treatment bin (1), and a plurality of ventilation openings (9) are formed in the outer wall of one side of the treatment bin (1).
9. The gangue breaking apparatus for dry separation of coal as claimed in claim 8, wherein: the outer walls of the two sides of the treatment bin (1) are fixedly connected with supporting frames (11).
10. The gangue breaking apparatus for dry separation of coal as claimed in claim 9, wherein: the bottom surface of the treatment bin (1) is provided with a plurality of collection bins (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322346311.0U CN220716144U (en) | 2023-08-30 | 2023-08-30 | Gangue crushing device for dry coal dressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322346311.0U CN220716144U (en) | 2023-08-30 | 2023-08-30 | Gangue crushing device for dry coal dressing |
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| CN220716144U true CN220716144U (en) | 2024-04-05 |
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| CN202322346311.0U Active CN220716144U (en) | 2023-08-30 | 2023-08-30 | Gangue crushing device for dry coal dressing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117123339A (en) * | 2023-08-30 | 2023-11-28 | 唐山神州机械集团有限公司 | Gangue efficient smashing device for dry coal dressing |
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- 2023-08-30 CN CN202322346311.0U patent/CN220716144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117123339A (en) * | 2023-08-30 | 2023-11-28 | 唐山神州机械集团有限公司 | Gangue efficient smashing device for dry coal dressing |
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