CN111841725A - High-efficient dust removal ore dressing system - Google Patents
High-efficient dust removal ore dressing system Download PDFInfo
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- CN111841725A CN111841725A CN202010625921.2A CN202010625921A CN111841725A CN 111841725 A CN111841725 A CN 111841725A CN 202010625921 A CN202010625921 A CN 202010625921A CN 111841725 A CN111841725 A CN 111841725A
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- 239000000428 dust Substances 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 11
- 206010006514 bruxism Diseases 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000036541 health Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a high-efficiency dust removal beneficiation system, which comprises a crushing beneficiation module and a dust collection module; the crushing module comprises a shell, a feeding hopper is arranged at the top of the shell, and a crushing device, a grinding device and an ore collecting device are sequentially arranged in the shell from top to bottom; the grinding device comprises a grinding bucket, a grinding block and a driving device. The invention can crush and grind the ore and introduce the air containing dust into the water in the collecting box, has high production efficiency and simple operation, and can avoid dust pollution.
Description
Technical Field
The invention relates to a beneficiation system.
Background
During the mining process, the mined large ore blocks need to be crushed into small blocks for convenient transportation and subsequent treatment. However, when the ore is pulverized, small-sized ore having a uniform size cannot be obtained in some cases. In addition, in the process of processing the ore, the ore is crushed to generate a large amount of dust, if the dust is not processed, the environmental pollution is caused, and the health of the operator is influenced by the dust sucked by the operator.
Disclosure of Invention
The invention provides a high-efficiency dust removal beneficiation system, which aims to: when smashing the grinding and obtaining the tiny particle ore to the ore, can also carry out dust removal processing to the dust that the ore processing produced, the environmental protection.
The technical scheme of the invention is as follows:
a high-efficiency dust removal beneficiation system comprises a crushing beneficiation module and a dust collection module;
the crushing module comprises a shell, a feeding hopper is arranged at the top of the shell, and a crushing device, a grinding device and an ore collecting device are sequentially arranged in the shell from top to bottom;
the grinding device comprises a grinding hopper, a grinding block and a driving device;
the grinding hopper comprises a mounting plate, an accommodating part, a grinding bin and a discharge port; the mounting plate is horizontally arranged, the middle part of the mounting plate is provided with an opening connected with the top of the accommodating part, and the accommodating part is provided with a grinding bin with an upward opening and used for accommodating crushed materials; the discharge port is formed at the bottom of the accommodating part; the inner side wall of the grinding bin is provided with first grinding teeth;
the grinding block is arranged in the grinding bin in a rotating connection mode, the rotation axis of the grinding block is vertically arranged, and second grinding teeth are arranged on the outer side wall of the grinding block; the driving device is used for driving the grinding block to rotate;
the top of the grinding block is in a convex spherical shape;
the inner diameter of the grinding bin is gradually reduced from top to bottom, the outer diameter of the grinding block is gradually reduced from top to bottom, and a gap between the grinding bin and the grinding block is gradually reduced from top to bottom;
The ore collecting device comprises a first collecting box arranged at the bottom of the shell, a discharge pipe is arranged on the discharge port, and the lower end of the discharge pipe is positioned above the first collecting box;
the dust collection module comprises a gas collecting hood arranged on the shell, an exhaust fan and a second collection box, wherein liquid is contained in the second collection box, and an installation pipe inserted below the liquid level is also arranged in the second collection box; the air inlet of the exhaust fan is connected with the gas collecting hood, and the air outlet of the exhaust fan is communicated with the mounting pipe;
the bottom of the second collecting box is provided with a plurality of vertical baffles which are arranged in a staggered manner, and one end of each baffle is connected with the side wall of the second collecting box to form a turn-back channel; a horizontal clapboard is also arranged in the second collection box and is positioned above the baffle; the baffle is provided with a through hole matched with the installation pipe at the position corresponding to the starting end of the turn-back channel, and a plurality of air outlets are arranged at the position corresponding to the tail end of the turn-back channel.
As a further improvement of the system: the bottom of the grinding block is provided with bristles.
As a further improvement of the system: the mounting plate has a slope with an outer edge higher than the opening in the middle.
As a further improvement of the system: the installation pipe is provided with a safety bottle.
As a further improvement of the system: the top of the shell is provided with a first gas-collecting hood, and a filter screen is arranged inside the first gas-collecting hood; and a second gas-collecting hood positioned beside the grinding hopper is arranged on the side wall of the shell.
As a further improvement of the system: the device also comprises a control unit, wherein the control unit is respectively connected with the exhaust fan and the driving device.
As a further improvement of the system: during ore dressing, step 1 and step 2 are executed alternately in a circulating way:
w11 is greater than w12, w21 is less than w22, and T1 is greater than T2; and has a coefficient of W11W 21T 1T 1= K W22W 12T 2T 2, K being from 0.8 to 1.1.
As a further improvement of the system: the crushing device comprises a collecting hopper and a plurality of crushing rollers which are positioned below the collecting hopper and are in transmission connection with each other, wherein crushing knives are arranged on the crushing rollers.
As a further improvement of the system: the support column is installed to the shell bottom, and the base is installed to the bottom of support column, install tight set screw on the base.
As a further improvement of the system: the shell is provided with a sealing door, and the sealing door corresponds to the first collecting box in position.
Compared with the prior art, the invention has the following beneficial effects: (1) when the device is used, large ores to be processed are thrown into the shell from the feeding hopper, the large ores enter the shell inner cup crushing mechanism to be crushed and then fall down, the falling small ores fall to the upper end face of the grinding block and enter the grinding space to be ground, the ground ores enter the discharge pipe from the discharge port in the bottom face of the grinding bin and are finally collected in the collecting box, the small-grained ore raw materials can be quickly and efficiently obtained, and the device is simple to operate and convenient to use; (2) when ores are treated, a plurality of groups of exhaust fans operate, dust raised in the process of crushing and grinding the ores is collected through the first gas collecting hood, the dust raised in the process of collecting the grinded ores is collected through the second gas collecting hood, finally, air containing the dust is introduced into water in the collecting box, and the ore dust contained in the air is dissolved into the water, so that the ores can be collected, dust pollution can be avoided, and the influence on the health of the workers due to the fact that the workers suck the dust is avoided; (3) the invention also specially sets the rotation speed of grinding and air draft, and divides ore dressing into two stages which are alternately carried out, wherein one stage carries out high-speed grinding and low-speed air draft, and the other stage carries out low-speed grinding and high-speed air draft, thereby reducing the total power of the device system, simultaneously limiting the rotation speed and the time length, and ensuring that dust generated by grinding can be sucked out by the exhaust fan.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic structural view of a portion a in fig. 1.
Fig. 3 is a partially enlarged structural diagram at B in fig. 1.
Fig. 4 is a front view of the present invention.
FIG. 5 is a schematic view of the dust box of the present invention.
Fig. 6 is a top view of a separator plate according to the present invention.
Fig. 7 is a schematic perspective view of the grinding hopper.
Fig. 8 is a schematic perspective view of the collecting hopper.
Detailed Description
The technical scheme of the invention is explained in detail in the following with the accompanying drawings:
as shown in fig. 1-8, the efficient dust removal and mineral separation system provided by the invention comprises a housing 1, a grinding hopper 8, a grinding block 9, a discharge pipe 10, a first collection box 11, a driving device 12, a second gas collecting hood 14, an exhaust fan 15, a rotating shaft and a second collection box 11.
Referring to fig. 1 and 2, a plurality of first openings for taking and placing the first collecting boxes 11 are arranged on the side surfaces of the casing 1, a plurality of supporting columns 16 are arranged on the bottom surface of the casing 1, the top of the casing 1 is provided with the charging hopper 4 and the first gas collecting hood 3, and a crushing mechanism for crushing ore fed into the casing 1 from the charging hopper 4 is arranged in the casing 1. Wherein, the projection of the first gas-collecting hood 3 on the top of the shell 1 is provided with a second opening; a filter screen 2 is arranged in the second opening.
Furthermore, a pressure plate 31 connected with the head is arranged on the side end surface of the first gas-collecting hood 3 along the circumferential direction; the pressing plate is provided with a plurality of mounting holes; the shell 1 is provided with a plurality of threaded blind holes; a plurality of bolts 32 pass through the plurality of mounting holes and are screwed into the plurality of threaded blind holes; the first gas-collecting channel 3 compresses the housing 1 towards the end face of the housing 1, and a sealing layer is arranged between the first gas-collecting channel 3 and the housing 1.
As shown in fig. 1 and 7, the grinding bucket 8 is located within the housing 1 and below the crushing mechanism, and the grinding bucket 8 includes a mounting plate 82 and a receiving portion 83. The top of the receiving portion 83 is connected to the middle of the mounting plate 82, and the mounting plate 82 is sealingly connected to the inner wall of the housing 1. The accommodating part 83 is internally provided with a grinding bin 84, the mounting plate 82 is provided with a feeding opening corresponding to the grinding bin 84, the bottom surface of the accommodating part 83 is provided with a plurality of discharge openings 85 communicated with the grinding bin 84, and the inner diameter of the grinding bin 84 is gradually reduced from top to bottom to form a conical bin. As shown in fig. 3, the inner wall of the grinding chamber 84 is uniformly provided with first grinding teeth 81.
As shown in fig. 1 and 3, a driving device 12 is positioned right below the grinding hopper 8, the driving device 12 is connected with the inner wall of the shell 1 through a mounting frame, and the output end of the driving device 12 is connected with a rotating shaft; the rotating shaft extends into the grinding bin 84 from the bottom of the accommodating part 83 and is rotatably connected with the accommodating part 83, and the rotating shaft is connected with the grinding block 9. The grinding block 9 is in a shape of a circular truncated cone, a plurality of second grinding teeth 91 are uniformly arranged on the outer peripheral surface of the grinding block 9, and a grinding space is reserved between the outer peripheral surface of the grinding block 9 and the inner wall of the grinding bucket 8.
The plurality of discharge openings 85 are respectively connected with the discharge pipe 10, and the other end of the discharge pipe 10 is respectively positioned above the plurality of first collecting boxes 11; a plurality of first collection tanks 11 are placed in the housing 1.
As shown in fig. 1 and 5, a plurality of second gas collection hoods 14 are disposed within the housing 1 and below the grinding hoppers 8. Water is stored in the second collection box 11, and a plurality of installation pipes 22 inserted into the water are arranged in the second collection box 11; the plurality of mounting pipes 22 are respectively provided with a safety bottle 23; each safety bottle 23 is located above the water surface; the plurality of mounting pipes 22 are respectively connected to an air outlet end of an exhaust fan 15. The exhaust fan 15 is respectively connected with the air outlet end of the first gas-collecting hood 3 or the air outlet end of the second gas-collecting hood 14.
When the device is used, the large ores to be processed are thrown into the shell 1 from the charging hopper 4, and the large ores enter the shell 1 and fall down after being crushed by the inner cup crushing mechanism; the falling small ore blocks fall to the upper end face of the grinding block 9 and enter the grinding space; the driving device 12 drives the grinding block 9 to rotate, the second grinding teeth 91 arranged on the grinding block 9 are matched with the first grinding teeth 81 on the inner wall of the grinding bin 84 to grind small ores in the grinding space, and the ground ores enter the discharging pipe 10 from the discharging opening 85 at the bottom surface of the grinding bin 84 and are finally collected in the first collecting box 11. During ore treatment, the operation of multiunit air exhauster 15, collect the dust that the ore was raised up when broken and grinding through first gas collecting channel 3, collect the dust that the process was raised up is collected to the ore after grinding through the second gas collecting channel 14 that is equipped with, finally let in the aquatic in the second collecting box 11 with the air that contains the dust, the ore dust that contains in the air dissolves into the aquatic, can collect the ore and can avoid dust pollution again, avoid the staff to inhale the dust and cause the influence to its health.
Further, as shown in fig. 3, a row of bristles 92 is disposed on the lower end surface of the grinding block 9, and the grinding block 9 rotates to drive the bristles 92 to rotate together, so as to clean the ore particles on the bottom surface of the grinding bin 84 and prevent the ore particles from being accumulated on the bottom surface of the grinding bin.
Further, as shown in fig. 1, the device further comprises a plurality of bases 17, a plurality of fastening screws 18 and a plurality of mounting blocks 19; a plurality of bases 17 set up respectively at the lower extreme of a plurality of support columns 16, are equipped with a plurality of first screw holes on a plurality of bases 17 respectively. The upper ends of the fastening screws 18 are respectively connected with the mounting blocks 19, and the lower ends of the fastening screws 18 respectively penetrate through the corresponding first threaded holes. The lower end of the tightening screw 18 is tapered. By fixing the tightening screw 18 to the ground, the stability of the device can be improved, the vibration degree of the device can be reduced, and the service life of the device can be prolonged. The mounting block 19 is provided with a first through hole, and a rotating rod is inserted into the first through hole, so that the fastening screw 18 can be quickly screwed into the ground by utilizing the lever principle.
Further, as shown in fig. 1, the upper end surface of the grinding block 9 is provided with a spherical surface to prevent ore from being accumulated on the top of the grinding block 9.
Further, as shown in fig. 1 and 3, the distance between the outer peripheral surface of the grinding block 9 and the inner wall of the grinding hopper 8 is gradually reduced toward the bottom surface of the grinding hopper 8 along the central axis direction of the grinding block 9, so that the ore is gradually ground, and the grinding efficiency of the ore is improved.
Further, as shown in fig. 7, the upper end surface of the mounting plate 82 is inclined downward toward the central axis of the accommodating portion 83, so that the ore is prevented from being accumulated on the mounting plate 82.
Further, as shown in fig. 4, a plurality of sealing doors 20 are further provided on the housing 1; the sealing doors 20 are all provided at the first opening. Sealing door 20 one end is rotated with shell 1 and is connected and the other end passes through the hasp to be connected with shell 1, the convenient switching.
Further, as shown in fig. 1, the crushing mechanism includes a collecting hopper 5, a plurality of sets of crushing rollers 6, and a motor. Wherein, the shell 1 is a cuboid structure, and the collecting hopper 5 is arranged in the shell 1. As shown in fig. 8, the collecting hopper 5 has a frustum pyramid structure. A plurality of groups of crushing rollers 6 are respectively and rotatably arranged in the shell 1 side by side and are positioned under the discharge end of the collecting hopper 5, a plurality of crushing knives 61 are arranged on each group of crushing rollers 6, the adjacent crushing rollers 6 are in transmission connection, and any one group of crushing rollers 6 is in transmission connection with a motor; the motor is arranged on the housing 1.
Further, as shown in fig. 1, the device further comprises a protective cover 13; the protective cover 13 is sleeved on the outer side of the driving device 12 and connected with the mounting frame.
Further, as shown in fig. 5 and 6, including a partition 25, a heavy block 24 and a plurality of baffles 27; wherein, the inner wall of the second collection box 11 is provided with a plurality of sets of flange plates 26. The baffle plates 27 are arranged on the partition plates 25 in a staggered mode; sealing gaskets 29 are arranged on the side end face of the partition plate 25 and the end face of the baffle plate 27 attached to the second collecting box 11. Counterweight 24 is placed on diaphragm 25 to press diaphragm 25 against flange plate 26. The multiple groups of baffles 27 are arranged in a staggered manner, and form a back-turning airflow channel with the inner wall of the second collection box 11; a through hole 28 for the installation pipe 22 to pass through is arranged on the partition plate 25 corresponding to one end of the airflow channel, and a sealing sleeve is arranged in the through hole 28; the sealing sleeve is sleeved on the outer side of the mounting tube 22; a plurality of air outlet holes 30 are uniformly formed in the partition plate 25 at positions corresponding to the other ends of the air flow passages. Through the arrangement, the staying time of the air mixed with the dust in the water in the second collecting tank 11 can be improved, and the dust treatment efficiency is improved.
Further, the system further comprises a control unit, and the control unit is respectively connected with the exhaust fan 15 and the driving device 12.
During ore dressing, step 1 and step 2 are executed alternately in a circulating way:
w11 is greater than w12, w21 is less than w22, and T1 is greater than T2; and has a coefficient of W11W 21T 1T 1= K W22W 12T 2T 2, K being from 0.8 to 1.1.
According to the method, the rotation speeds of grinding and air draft are specially set, mineral separation is divided into two stages which are alternately carried out, wherein one stage is carried out with high-speed grinding and low-speed air draft, and the other stage is carried out with low-speed grinding and high-speed air draft, so that the total power of a device system is reduced, the rotation speed and the duration are limited, and dust generated by grinding can be sucked out by an exhaust fan.
The electrical components presented in this document are connected to an external master controller and 220V mains, and the master controller may be a conventional known device controlled by a computer or the like.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The utility model provides a high-efficient dust removal beneficiation system which characterized in that: the device comprises a crushing and mineral separation module and a dust collection module;
the crushing module comprises a shell (1), a feeding hopper (4) is arranged at the top of the shell (1), and a crushing device, a grinding device and an ore collecting device are sequentially arranged in the shell (1) from top to bottom;
the grinding device comprises a grinding bucket (8), a grinding block (9) and a driving device (12);
the grinding hopper (8) comprises a mounting plate (82), an accommodating part (83), a grinding bin (84) and a discharge port (85); the mounting plate (82) is horizontally arranged, the middle part of the mounting plate is provided with an opening connected with the top of the accommodating part (83), and the accommodating part (83) is provided with a grinding bin (84) with an upward opening and used for accommodating crushed materials; the discharge opening (85) is formed at the bottom of the accommodating part (83); a first grinding tooth (81) is arranged on the inner side wall of the grinding bin (84);
the grinding block (9) is installed in the grinding bin (84) in a rotating connection mode, the rotation axis of the grinding block (9) is vertically arranged, and second grinding teeth (91) are arranged on the outer side wall of the grinding block (9); the driving device (12) is used for driving the grinding block (9) to rotate;
The top of the grinding block (9) is in a convex spherical shape;
the inner diameter of the grinding bin (84) is gradually reduced from top to bottom, the outer diameter of the grinding block (9) is gradually reduced from top to bottom, and the gap between the grinding bin (84) and the grinding block (9) is gradually reduced from top to bottom;
the ore collecting device comprises a first collecting box (11) arranged at the bottom of the shell (1), a discharging pipe (10) is arranged on the discharging opening (85), and the lower end of the discharging pipe (10) is positioned above the first collecting box (11);
the dust collection module comprises a gas collecting hood arranged on the shell (1), an exhaust fan (15) and a second collection box (21), wherein the second collection box (21) is filled with liquid, and a mounting pipe (22) inserted below the liquid level is also arranged in the second collection box (21); the air inlet of the exhaust fan (15) is connected with the gas-collecting hood, and the air outlet is communicated with the mounting pipe (22);
the bottom of the second collecting box (21) is provided with a plurality of vertical baffles (27), the baffles (27) are arranged in a staggered manner, and one end of each baffle is connected with the side wall of the second collecting box (21) to form a turn-back channel; a horizontal clapboard (25) is also arranged in the second collecting box (21), and the clapboard (25) is positioned above the baffle (27); the baffle (25) is provided with a through hole (28) matched with the mounting pipe (22) at the position corresponding to the starting end of the turn-back channel, and the baffle (25) is provided with a plurality of air outlet holes (30) at the position corresponding to the tail end of the turn-back channel.
2. The high efficiency dust removal beneficiation system according to claim 1, wherein: the bottom of the grinding block (9) is provided with bristles (92).
3. The high efficiency dust removal beneficiation system according to claim 1, wherein: the mounting plate (82) has a slope with the outer edge higher than the opening in the middle.
4. The high efficiency dust removal beneficiation system according to claim 1, wherein: a safety bottle (23) is arranged on the installation pipe (22).
5. The high efficiency dust removal beneficiation system according to claim 1, wherein: a first gas-collecting hood (3) is arranged at the top of the shell (1), and a filter screen (2) is arranged inside the first gas-collecting hood (3); and a second gas-collecting hood (14) positioned beside the grinding hopper (8) is arranged on the side wall of the shell (1).
6. The high efficiency dust removal beneficiation system according to claim 1, wherein: the device also comprises a control unit, and the control unit is respectively connected with the exhaust fan (15) and the driving device (12).
7. The efficient dust removal beneficiation system according to claim 6, wherein: during ore dressing, step 1 and step 2 are executed alternately in a circulating way:
step 1, a driving device (12) drives a grinding block (9) to rotate at a rotating speed w11, the rotating speed of an exhaust fan (15) is controlled at w21, and the working time is T1;
Step 2, driving the grinding block (9) to rotate at a rotating speed w12 by the driving device (12), controlling the rotating speed of the exhaust fan (15) at w22, and working for a time period of T2;
w11 is greater than w12, w21 is less than w22, and T1 is greater than T2; and has a coefficient of W11W 21T 1T 1= K W22W 12T 2T 2, K being from 0.8 to 1.1.
8. The high efficiency dust removal beneficiation system according to claim 1, wherein: the crushing device comprises a collecting hopper (5) and a plurality of crushing rollers (6) which are positioned below the collecting hopper (5) and are in transmission connection with each other, wherein crushing knives (61) are arranged on the crushing rollers (6).
9. The high efficiency dust removal beneficiation system according to claim 1, wherein: support column (16) are installed to shell (1) bottom, and base (17) are installed to the bottom of support column (16), install fastening screw (18) on base (17).
10. The high efficiency dust removal beneficiation system according to any one of claims 1 to 9, wherein: the shell (1) is provided with a sealing door (20), and the sealing door (20) corresponds to the first collecting box (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625921.2A CN111841725A (en) | 2020-07-02 | 2020-07-02 | High-efficient dust removal ore dressing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625921.2A CN111841725A (en) | 2020-07-02 | 2020-07-02 | High-efficient dust removal ore dressing system |
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| CN111841725A true CN111841725A (en) | 2020-10-30 |
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| CN202010625921.2A Pending CN111841725A (en) | 2020-07-02 | 2020-07-02 | High-efficient dust removal ore dressing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260095A (en) * | 2021-12-22 | 2022-04-01 | 安徽大昌矿业集团有限公司 | Beneficiation method and device for preparing ultrapure iron concentrate by using magnetite concentrate |
| CN120838548A (en) * | 2025-09-23 | 2025-10-28 | 河南润源环保材料有限公司 | A jaw crusher and grinding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114260095A (en) * | 2021-12-22 | 2022-04-01 | 安徽大昌矿业集团有限公司 | Beneficiation method and device for preparing ultrapure iron concentrate by using magnetite concentrate |
| CN114260095B (en) * | 2021-12-22 | 2024-02-02 | 安徽大昌矿业集团有限公司 | Ore dressing method and device for preparing ultra-pure iron concentrate from magnetite concentrate |
| CN120838548A (en) * | 2025-09-23 | 2025-10-28 | 河南润源环保材料有限公司 | A jaw crusher and grinding machine |
| CN120838548B (en) * | 2025-09-23 | 2025-12-12 | 河南润源环保材料有限公司 | A jaw crusher and grinding machine |
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Application publication date: 20201030 |
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