CN114290207B - Raw coal hopper internal polishing device and polishing method - Google Patents
Raw coal hopper internal polishing device and polishing method Download PDFInfo
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- CN114290207B CN114290207B CN202111395358.5A CN202111395358A CN114290207B CN 114290207 B CN114290207 B CN 114290207B CN 202111395358 A CN202111395358 A CN 202111395358A CN 114290207 B CN114290207 B CN 114290207B
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Abstract
The invention discloses a raw coal hopper internal grinding device, which comprises: the coal mining machine comprises a raw coal hopper and a disc, wherein two sides of the outer wall of the raw coal hopper are fixedly connected with first magnets, two sides of the top of the disc are fixedly connected with fixing plates, the fixing plates are connected with L-shaped sliding rods in a sliding mode, and one side of each fixing plate is connected with an insert in a sliding mode; and the rotary grinding mechanism is used for grinding the inner side wall of the raw coal hopper and is positioned between the two L-shaped sliding rods. According to the invention, through the action of the rotating impact mechanism, on one hand, the coal slag adhered to the inner side wall of the raw coal hopper is vibrated and dropped by utilizing the impact effect of the impact rod, so that the polishing difficulty of the polishing plate is reduced, time and labor are saved, and the working efficiency of cleaning and polishing is improved, on the other hand, the dust removing agent in the rotating sleeve is sprayed in a reciprocating manner by utilizing the rebound extrusion effect of the impact rod, so that the generation of dust is reduced, and meanwhile, the waste of resources is reduced by utilizing the reciprocating spraying effect.
Description
Technical Field
The invention relates to the technical field of raw coal hoppers, in particular to a raw coal hopper internal polishing device and a polishing method.
Background
The raw coal hopper has a structure that an upper opening is large and a lower opening is small, raw coal continuously flows from top to bottom, but the flow area is continuously reduced, raw coal particles are gradually accumulated at a lower outlet, particularly the positions of the interface and the corner of a cone and a straight pipe section are the most serious, an extrusion force is formed in the accumulation process, the extrusion force is larger when the raw coal particles reach the lower part, so that coal flow is easily bonded and agglomerated, fine materials are easily adhered to a silo wall in a natural state, and the equivalent flowing power of the coal flow is further reduced, and a shed is blocked.
Because the source of the coal entering the plant is variable, the particle size is uneven, the moisture content is large, the viscosity is large, the coal blending combustion increases the coal blocking probability of the raw coal bunker, when continuous rainfall occurs, the moisture content of the raw coal stored in an open coal yard is increased, the coal flow viscosity is increased, after the raw coal bunker is conveyed, part of the raw coal is bonded on the inner wall of the coal bunker, and as time increases, the coal hanging on the inner wall is continuously thickened, and the unsmooth coal discharging of the raw coal bunker is also often caused.
Because of the long-time work of raw coal scuttle, so the inner wall of raw coal scuttle can the adhesion a large amount of former cinder, just at this moment need the staff regularly to clear up the inner wall of raw coal scuttle and polish, so that raw coal scuttle can better use, but when the staff polished raw coal scuttle inner wall, can produce a large amount of dusts, can bring the pollution to the factory building environment, bring harm for the staff, simultaneously because of the cinder receives damp influence, can increase the degree of difficulty of clearing up and polishing, waste time and energy, reduce the work efficiency of clearing up and polishing, for this reason, provide an inside grinding device of raw coal scuttle and polishing method.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a raw coal hopper internal grinding device and a grinding method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a raw coal hopper interior grinding device, comprising:
the coal mining device comprises a raw coal hopper and a disc, wherein first magnets are fixedly connected to two sides of the outer wall of the raw coal hopper, fixing plates are fixedly connected to two sides of the top of the disc, L-shaped sliding rods are connected to the fixing plates in a sliding mode, and plug-in units are connected to one side of each fixing plate in a sliding mode;
the rotary polishing mechanism is used for polishing the inner side wall of the raw coal hopper and is positioned between the two L-shaped sliding rods;
and the rotating impact mechanism is used for impacting the inner side wall of the raw coal hopper and is positioned at two sides of the rotating grinding mechanism.
Preferably, the rotation grinding machanism includes driving motor, driving motor fixed connection is between two L type slide bars, driving motor's output fixedly connected with axis of rotation, the lateral wall fixedly connected with of axis of rotation rotates the cover, a plurality of rotor plates of lateral wall fixedly connected with of rotation cover, first connection chamber and second connection chamber have been seted up to the inside of rotor plate, the inner wall fixedly connected with clamping spring in first connection chamber, the one end fixedly connected with expansion plate of first connection intracavity wall is kept away from to clamping spring, the hole of spraying has been seted up at the top in second connection chamber, be connected with first check valve on the hole of spraying, the one end fixedly connected with grinding plate of rotor plate is kept away from to the expansion plate.
Preferably, it includes circular cover and striker to rotate striking mechanism, circular cover fixed connection is at the lateral wall that rotates the cover, circular cover is kept away from the one end that rotates the cover and is seted up the third sliding tray, the striker passes through third sliding tray and circular cover sliding connection, the lateral wall of circular cover rotates and is connected with the rotation fan, the inner wall fixedly connected with expanding spring of circular cover, expanding spring keeps away from the inner wall one end fixedly connected with plectane of circular cover, the plectane is close to one side fixedly connected with stripper bar of expanding spring, the one end fixedly connected with stripper plate of plectane is kept away from to the stripper bar, the inner wall of circular cover is located the other fixedly connected with gas storage tank of expanding spring, the one end fixedly connected with second magnet of circular cover is kept away from to the striker bar.
Preferably, a first sliding groove is formed in the top of the fixing plate, the L-shaped sliding rod is connected with the fixing plate in a sliding mode through the first sliding groove, mounting holes are formed in one sides of the fixing plate and one side of the L-shaped sliding rod, and the fixing plate and the L-shaped sliding rod are fixed through the mounting holes by the plug-in.
Preferably, a rotating groove is formed in the disc, the rotating shaft is rotatably connected with the disc through the rotating groove, the rotating shaft extends to the bottom of the disc through the rotating groove, a second sliding groove is formed in the first connecting cavity in the outer side of the rotating plate, the expansion plate is slidably connected with the rotating plate through the second sliding groove, and a chemical inlet is formed in one side of the rotating sleeve.
Preferably, the both sides of plectane and the inside wall of circular cover set up for sliding fit, the sliding opening has been seted up on the gas storage box, the extrusion stem passes through sliding opening and gas storage box sliding connection, the extrusion stem extends to the inside of gas storage box through sliding opening.
Preferably, the inside of rotating the cover is hollow setting, the connecting hole has been seted up to the rotating plate one side that is close to the rotating the cover, the rotating plate passes through the connecting hole and rotates the inside intercommunication of cover, the inboard wall of polishing board and raw coal fill is the setting of laminating of sliding.
Preferably, the inner wall of the gas storage box is provided with a through hole, the through hole extends to the inside of the rotating sleeve, a second one-way valve is arranged on the through hole, the gas storage box is communicated with the inside of the rotating sleeve through the through hole, and one side of the gas storage box is provided with an air inlet hole.
A raw coal bunker internal polishing method adopting a raw coal bunker internal polishing device comprises the following steps:
s1: adjusting the extending proper length of the rotating shaft, pulling the L-shaped sliding rod to drive the rotating shaft to slide on the disc, and adjusting the proper length of the rotating shaft;
s2: turning on the driving motor to electrify the driving motor to work so as to drive the rotating shaft to work;
s3, when the rotating shaft rotates, the rotating sleeve is driven to rotate, and when the rotating sleeve rotates, the rotating plate and the telescopic plate are driven to rotate, so that the grinding plate is driven to clean and grind the inner side wall of the raw coal hopper;
s4: when the rotating sleeve rotates, the circular sleeve is driven to rotate, when the impact rod rotates to the position of the first magnet, the impact rod impacts the inner side wall of the raw coal hopper under the action of the expansion spring, and when the impact rod rotates to the position far away from the first magnet, the impact rod rebounds under the action of the expansion spring, so that the dedusting agent is sprayed out through the spraying hole in the top of the rotating plate;
s5: when the circular sleeve rotates, the rotating fan is driven to rotate under the action of centrifugal force, so that the coal slag gas and the dedusting agent in the raw coal hopper are fully mixed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the raw coal hopper internal grinding device and the grinding method, the driving motor is started through the action of the rotary grinding mechanism, the rotary shaft is driven to rotate through the rotation of the driving motor, the rotary sleeve is driven to rotate through the rotation of the rotary shaft, so that the rotary plate, the telescopic plate and the grinding plate are driven to rotate, the grinding plate is enabled to rotate to grind the inner side wall of the raw coal hopper, through the arrangement, the inner side wall of the raw coal hopper can be effectively cleaned and ground, convenience is brought to next use of the raw coal hopper, and the service life of the raw coal hopper is prolonged.
2. The invention provides a raw coal bucket interior polishing device and a polishing method, wherein through the action of a rotating impact mechanism, when a rotating sleeve rotates, a rotating plate is driven to rotate, a circular sleeve is driven to rotate, when a striker rod rotates to the position of a first magnet, the striker rod is enabled to impact the inner side wall of a raw coal bucket under the action of an expansion spring by utilizing the attraction force between the first magnet and a second magnet, when the striker rod rotates to the position far away from the first magnet, the striker rod rebounds under the action of the expansion spring, so that the ejector rod drives an extrusion plate to rebound, gas in a gas storage box is extruded into the rotating sleeve, the dedusting agent in the rotating sleeve is enabled to be sprayed out from a spraying hole at the top of the rotating plate, when the circular sleeve rotates, a rotating fan is driven to rotate under the action of centrifugal force, so that the coal slag gas and the dedusting agent in the raw coal bucket are fully mixed, and through the arrangement, on one hand, the impact effect of the striker rod is utilized, the coal slag gas in the raw coal bucket is vibrated and dropped, the polishing plate is polished, the cleaning efficiency is improved, and on the other hand, the efficiency of the grinding efficiency is reduced, and the efficiency of the reciprocating effect of the spraying of the dust is reduced, and the spraying of the impact of the dust, and the dust is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a raw coal bunker internal polishing device and a polishing method provided by the invention;
FIG. 2 is a schematic structural diagram of a raw coal hopper according to the internal polishing device and polishing method for the raw coal hopper provided by the present invention;
FIG. 3 is a schematic cross-sectional view of a rotating plate of the internal grinding device and grinding method for a raw coal hopper according to the present invention;
FIG. 4 is a schematic cross-sectional structural view of a circular sleeve of a raw coal hopper internal polishing device and a polishing method according to the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 1;
fig. 6 is an enlarged view of fig. 4 at B.
In the figure: 1. a raw coal hopper; 2. a first magnet; 3. a disc; 301. a fixing plate; 302. an L-shaped sliding plate; 303. a plug-in; 4. a drive motor; 401. a rotating shaft; 402. rotating the sleeve; 403. a rotating plate; 404. a retractable plate; 405. grinding the plate; 406. a clamping spring; 5. a circular sleeve; 501. rotating the fan; 502. a tension spring; 503. a circular plate; 504. a striker bar; 505. a gas storage tank; 506. an extrusion stem; 507. and (5) pressing the plate.
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.
A raw coal hopper interior grinding device, comprising:
as shown in fig. 1 and 2, a raw coal hopper 1 and a disc 3, wherein two sides of the outer wall of the raw coal hopper 1 are fixedly connected with a first magnet 2, two sides of the top of the disc 3 are fixedly connected with a fixing plate 301, the fixing plate 301 is slidably connected with an L-shaped sliding rod 302, one side of the fixing plate 301 is slidably connected with an insert 303, the top of the fixing plate 301 is provided with a first sliding groove, the L-shaped sliding rod 302 is slidably connected with the fixing plate 301 through the first sliding groove, one side of the fixing plate 301 and one side of the L-shaped sliding rod 302 are both provided with mounting holes, and the fixing plate 301 and the L-shaped sliding rod 302 are fixed by the insert 303 through the mounting holes;
as shown in fig. 1, fig. 3, and fig. 5, a rotary polishing mechanism, the rotary polishing mechanism for polishing the inner side wall of a raw coal bunker 1 is located between two L-shaped sliding rods 302, the rotary polishing mechanism includes a driving motor 4, the driving motor 4 is fixedly connected between the two L-shaped sliding rods 302, an output end of the driving motor 4 is fixedly connected with a rotating shaft 401, a rotating groove is formed on a disk 3, the rotating shaft 401 is rotatably connected with the disk 3 through the rotating groove, the rotating shaft 401 extends to the bottom of the disk 3 through the rotating groove, an outer side wall of the rotating shaft 401 is fixedly connected with a rotating sleeve 402, an outer side wall of the rotating sleeve 402 is fixedly connected with a plurality of rotating plates 403, the inside of the rotating sleeve 402 is hollow, a connecting hole is formed in one side of the rotating plate 403 close to the rotating sleeve 402, the rotating plate is communicated with the inside of the rotating sleeve 402 through the connecting hole, the polishing plate 405 is in sliding fit with the inner side wall of the raw coal bunker 1, a second sliding groove is formed in the outer side of the rotating plate 403, the rotating plate 403 is located on a first connecting cavity, a second sliding groove is formed in the rotating plate 403, a telescopic plate 404 is connected with a one-way connecting hole, one-way spring 406, one-way spraying valve 406 is connected with the top of the rotating plate 403, one-way connecting hole connected with a one-way spraying valve 406, one-way spring 406, one-way spraying valve 406 connected with the top of the rotating plate 403;
as shown in fig. 1, 4, 5, 6, a rotary impact mechanism, the rotary impact mechanism for impacting the inner side wall of the raw coal hopper 1 is located at both sides of the rotary grinding mechanism, the rotary impact mechanism includes a circular sleeve 5 and an impact rod 504, the circular sleeve 5 is fixedly connected to the outer side wall of the rotary sleeve 402, the outer side wall of the circular sleeve 5 is rotatably connected with a rotary fan 501, the inner wall of the circular sleeve 5 is fixedly connected with a telescopic spring 502, one end of the telescopic spring 502 far away from the inner wall of the circular sleeve 5 is fixedly connected with a circular plate 503, both sides of the circular plate 503 and the inner side wall of the circular sleeve 5 are in sliding fit arrangement, one side of the circular plate 503 close to the telescopic spring 502 is fixedly connected with an extrusion rod 506, one end of the circular sleeve 5 far away from the rotary sleeve 402 is provided with a third sliding groove, the impact rod 504 is slidably connected with the circular sleeve 5 through the third sliding groove, one end of the extrusion rod 506 far away from the circular plate 503 is fixedly connected with an extrusion plate 507, the inner wall of circular cover 5 is located the other fixedly connected with gas receiver 505 of expanding spring 502, the through-hole has been seted up to the inner wall of gas receiver 505, the through-hole extends to the inside of rotating cover 402, gas receiver 505 passes through the through-hole and rotates the inside intercommunication of cover 402, be provided with the second check valve on the through-hole, during dust collector flows back to gas receiver 505 when avoiding the stripper plate resilience, the inlet port has been seted up to one side of gas receiver 505, utilize the effect of inlet port, guarantee the inside air of gas receiver 505, make stripper plate 507 can reciprocal resilience, guarantee the inside gas pressure of gas receiver 505, the sliding port has been seted up on the gas receiver 505, the lifter 506 is through sliding port and gas receiver 505 sliding connection, the lifter 506 extends to the inside of gas receiver 505 through sliding port, the one end fixedly connected with second magnet of circular cover 5 is kept away from to the striker 504.
As shown in fig. 1-6, the functional principle of the present invention can be illustrated by the following operation modes:
before cleaning and polishing the inner side wall of the raw coal hopper 1, firstly, pulling the L-shaped sliding rod 302 to drive the rotating shaft 401 to slide on the disc 3 to adjust the proper length of the rotating shaft 401, wherein during adjustment, the L-shaped sliding rod 302 is adjusted downwards, because the inner side wall of the raw coal hopper 1 is arranged to be smaller in opening from top to bottom, when the rotating shaft is adjusted downwards, the polishing plate 405 is pressed inwards according to the clamping spring 406, so that the polishing plate 405 can be tightly attached to the inner side wall of the raw coal hopper 1, after the adjustment is completed, the inserting piece 303 is inserted into the mounting holes in the fixing plate 301 and the L-shaped sliding rod 302, the fixing plate 301 and the L-shaped sliding rod 302 are fixed, and it needs to be noted that through the arrangement, the extending length of the driving motor 4 can be adjusted at will, so that the device is suitable for raw coal hoppers 1 with different lengths, and the applicability of the device is enhanced;
when the device is adjusted to be in a proper length, the driving motor 4 is turned on, the driving motor 4 is powered on to work, the driving motor 4 drives the rotating shaft 401 to rotate when rotating, the rotating sleeve 402 is driven to rotate when the rotating shaft 401 rotates, and the rotating plate 403 and the telescopic plate 404 are driven to rotate when the rotating sleeve 402 rotates, so that the grinding plate 405 is driven to clean and grind the inner side wall of the raw coal hopper 1;
when the rotating sleeve 402 rotates, not only the rotating plate 403, the expansion plate 404 and the polishing plate 405 are driven to rotate, but also the circular sleeve 5 is driven to rotate, when the impact rod 504 rotates to the position of the first magnet 2, according to the attraction force between the first magnet 2 and the second magnet, the impact rod 504 is made to impact the inner side wall of the raw coal hopper 1 according to the action of the expansion spring 502, when the impact rod 504 rotates to the position far away from the first magnet 2, the impact rod 504 rebounds according to the action of the expansion spring 502, the extrusion rod 506 and the extrusion plate 507 are driven to rebound, the gas inside the gas storage tank 505 is extruded into the rotating sleeve 402, so that the dedusting agent in the rotating sleeve 402 is sprayed out from the spraying hole at the top of the rotating plate 403, when the circular sleeve 5 rotates, the rotating fan 501 is driven to rotate according to the action of the centrifugal force, the coal slag gas and the dedusting agent inside the raw coal hopper 1 are sufficiently mixed, the arrangement is adopted, on the one hand, the impact effect of the raw coal hopper 1 is made to vibrate, the inner side of the inner side wall, the grinding is made to reduce the grinding, the grinding efficiency, the waste of the dust generated by the reciprocating extrusion, and the impact effect of the impact rod 504 is reduced, on the other hand, and the waste of the dust generated by the impact of the impact rod is reduced, and the impact of the impact rod.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an inside grinding device of raw coal scuttle which characterized in that includes:
the coal mining device comprises a raw coal hopper (1) and a disc (3), wherein two sides of the outer wall of the raw coal hopper (1) are fixedly connected with first magnets (2), two sides of the top of the disc (3) are fixedly connected with a fixing plate (301), an L-shaped sliding rod (302) is connected onto the fixing plate (301) in a sliding mode, and an insert (303) is connected onto one side of the fixing plate (301) in a sliding mode;
the rotary polishing mechanism is used for polishing the inner side wall of a raw coal hopper (1) and is positioned between two L-shaped sliding rods (302), the rotary polishing mechanism comprises a driving motor (4), the driving motor (4) is fixedly connected between the two L-shaped sliding rods (302), the output end of the driving motor (4) is fixedly connected with a rotating shaft (401), the outer side wall of the rotating shaft (401) is fixedly connected with a rotating sleeve (402), the outer side wall of the rotating sleeve (402) is fixedly connected with a plurality of rotating plates (403), a first connecting cavity and a second connecting cavity are formed in each rotating plate (403), the inner wall of the first connecting cavity is fixedly connected with a clamping spring (406), one end, far away from the inner wall of the first connecting cavity, of the clamping spring (406) is fixedly connected with a telescopic plate (404), a spraying hole is formed in the top of the second connecting cavity, a first one-way valve is connected to the spraying hole, and one end, far away from the rotating plates (403), of the telescopic plate (404) is fixedly connected with a polishing plate (405);
rotate striking mechanism for striking the inside wall of raw coal fill (1) it is located the both sides of rotating grinding machanism to rotate striking mechanism, it includes circular cover (5) and impact rod (504) to rotate striking mechanism, circular cover (5) fixed connection rotates the lateral wall of cover (402), the one end of rotating cover (402) is kept away from in circular cover (5) has seted up the third sliding tray, impact rod (504) are through third sliding tray and circular cover (5) sliding connection, the lateral wall of circular cover (5) rotates and is connected with and rotates fan (501), the inner wall fixedly connected with expanding spring (502) of circular cover (5), inner wall one end fixedly connected with plectane (503) of circular cover (5) are kept away from in expanding spring (502), one side fixedly connected with extrusion pole (506) that plectane (502) are close to plectane (503), the one end fixedly connected with stripper plate (507) of plectane (503) are kept away from in plectane (503) to extrusion pole (506), the inner wall of circular cover (5) is located plectane (502) fixedly connected with the impact box (505), the other end fixedly connected with magnet of gas storage cover (504) is kept away from second magnet.
2. The raw coal hopper internal grinding device as claimed in claim 1, wherein a first sliding groove is formed in the top of the fixing plate (301), the L-shaped sliding rod (302) is slidably connected with the fixing plate (301) through the first sliding groove, mounting holes are formed in one sides of the fixing plate (301) and one side of the L-shaped sliding rod (302), and the plug-in unit (303) fixes the fixing plate (301) and the L-shaped sliding rod (302) through the mounting holes.
3. The raw coal hopper internal grinding device is characterized in that a rotating groove is formed in the disc (3), the rotating shaft (401) is rotatably connected with the disc (3) through the rotating groove, the rotating shaft (401) extends to the bottom of the disc (3) through the rotating groove, a second sliding groove is formed in the first connecting cavity on the outer side of the rotating plate (403), the telescopic plate (404) is slidably connected with the rotating plate (403) through the second sliding groove, and a chemical feeding port is formed in one side of the rotating sleeve (402).
4. The raw coal bucket internal grinding device as claimed in claim 1, wherein two sides of the circular plate (503) are in sliding fit with the inner side wall of the circular sleeve (5), the gas storage tank (505) is provided with a sliding opening, the extrusion rod (506) is in sliding connection with the gas storage tank (505) through the sliding opening, and the extrusion rod (506) extends into the gas storage tank (505) through the sliding opening.
5. The raw coal hopper internal grinding device as claimed in claim 1, wherein the rotating sleeve (402) is hollow, a connecting hole is formed in one side of the rotating plate (403) close to the rotating sleeve (402), the rotating plate (403) is communicated with the inside of the rotating sleeve (402) through the connecting hole, and the grinding plate (405) is in sliding fit with the inner side wall of the raw coal hopper (1).
6. The raw coal bucket internal grinding device as claimed in claim 1, wherein a through hole is formed in the inner wall of the gas storage tank (505), the through hole extends to the inside of the rotating sleeve (402), a second one-way valve is arranged on the through hole, the gas storage tank (505) is communicated with the inside of the rotating sleeve (402) through the through hole, and an air inlet hole is formed in one side of the gas storage tank (505).
7. A raw coal bunker internal grinding method using the raw coal bunker internal grinding apparatus according to any one of claims 1 to 6, comprising the steps of:
s1: adjusting the extending proper length of the rotating shaft (401), pulling the L-shaped sliding rod (302) to drive the rotating shaft (401) to slide on the disc (3), and adjusting the proper length of the rotating shaft (401);
s2: the driving motor (4) is turned on, so that the driving motor (4) is electrified to work, and the rotating shaft (401) is driven to work;
s3, when the rotating shaft (401) rotates, the rotating sleeve (402) is driven to rotate, and when the rotating sleeve (402) rotates, the rotating plate (403) and the telescopic plate (404) are driven to rotate, so that the grinding plate (405) is driven to clean and grind the inner side wall of the raw coal hopper (1);
s4: when the rotating sleeve (402) rotates, the circular sleeve (5) is driven to rotate, when the impact rod (504) rotates to the position of the first magnet (2), the impact rod (504) impacts the inner side wall of the raw coal hopper (1) according to the action of the expansion spring (502), when the impact rod (504) rotates to the position far away from the first magnet (2), the impact rod (504) rebounds according to the action of the expansion spring (502), and the dedusting agent is sprayed out through a spraying hole in the top of the rotating plate (403);
s5: when the circular sleeve (5) rotates, the rotating fan (501) is driven to rotate under the action of centrifugal force, so that the coal slag gas and the dedusting agent in the raw coal hopper (1) are fully mixed.
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| CN202111395358.5A CN114290207B (en) | 2021-11-23 | 2021-11-23 | Raw coal hopper internal polishing device and polishing method |
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| CN116872382A (en) * | 2023-04-25 | 2023-10-13 | 连云港富程塑料包装有限公司 | Raw material mixing device and mixing method for production of composite plastic woven bags |
| CN117020772B (en) * | 2023-10-10 | 2024-04-05 | 西安石油大学 | Surface treatment device for metal material |
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| CN113427316A (en) * | 2021-07-12 | 2021-09-24 | 盐城市德酷机电科技有限公司 | Metal cutting method and equipment |
| CN113547415A (en) * | 2021-07-18 | 2021-10-26 | 潘鹏 | Metal part polishing device |
| CN113618509A (en) * | 2021-08-24 | 2021-11-09 | 胡章成 | Circular workpiece polishing device |
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| CN114290207A (en) | 2022-04-08 |
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