CN114425481A

CN114425481A - Production equipment applied to environment-friendly nickel pig iron production

Info

Publication number: CN114425481A
Application number: CN202111497306.9A
Authority: CN
Inventors: 虞胜震; 卞正荣; 修云汉
Original assignee: Yangzhou Yichuan Nickel Industry Co ltd
Current assignee: Yangzhou Yichuan Nickel Industry Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-03

Abstract

The invention belongs to the technical field of nickel pig iron production, and particularly relates to production equipment applied to environment-friendly nickel pig iron production. According to the invention, through the arrangement of the driving mechanism, the through hole, the bearing plate, the shell and the second crushing roller, the secondary crushing can be carried out on the larger raw ore which is not sieved, the crushing effect on the raw ore is improved, and through the arrangement of the dust treatment box, the dust removal mechanism, the conveying mechanism and the baffle plate, the dust-containing gas generated during crushing can be filtered and then discharged, so that the pollution to the surrounding environment can be avoided, the dust removal mechanism can treat the retained dust, and the influence of more accumulated dust on the dust removal effect of the dust removal mechanism is avoided.

Description

Production equipment applied to environment-friendly nickel pig iron production

Technical Field

The invention relates to the technical field of nickel pig iron production, in particular to production equipment applied to environment-friendly nickel pig iron production.

Background

The nickel pig iron is mainly used for smelting stainless steel by steel plants, the raw material is generally laterite-nickel ore containing about one percent of nickel, the laterite-nickel ore belongs to oxidized ore, the nickel pig iron is mainly used domestically from Indonesia and Philippines, and is generally imported domestically according to the requirements of nickel-iron alloy plants, a crushing device is generally required to be used for crushing and screening the laterite-nickel ore in a large block in the process of producing the nickel pig iron, so that the ore can be sintered, smelted and the like in the subsequent process.

But use breaker when producing nickel pig iron to carry out the breakage to former ore at present, can produce a large amount of dust, thereby can cause dust pollution to the surrounding environment, and present breaker can't carry out centralized processing to the dust, and the breaker in the former ore after the breakage sieves the back, the great piece of former ore that does not pass through the screening is not convenient for carry out the secondary crushing and can only be detained in broken incasement, thereby lead to the former ore that is detained in the broken incasement more and lead to crushing efficiency lower, therefore we have proposed a production facility who is applied to environmental protection nickel pig iron production and have solved these problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides production equipment applied to environment-friendly nickel pig iron production, and solves the problems that wind dust cannot be collected and treated and raw materials cannot be subjected to secondary crushing treatment when a crushing device is used in the conventional nickel pig iron production process.

(II) technical scheme

The invention specifically adopts the following technical scheme for realizing the purpose:

the production equipment applied to environment-friendly nickel pig iron production comprises a crushing box, wherein two first crushing rollers are rotatably connected in the crushing box through bearings, a screen frame is arranged below the first crushing rollers, four telescopic sleeves are symmetrically fixed at the bottom of the screen frame, first springs are sleeved on the surfaces of the telescopic sleeves, the top ends of the first springs are fixed with the bottom of the screen frame, the bottom ends of the first springs are fixed in the crushing box, a vibration motor is fixed at the bottom of the screen frame, a shell is fixed on one side wall of the crushing box, two second crushing rollers are rotatably connected in the shell through bearings, a driving mechanism for driving the two first crushing rollers and the two second crushing rollers to rotate is arranged on the crushing box, a dust treatment box is fixed at the top of the shell, and a top plate is fixed at the top of the dust treatment box, dust treatment incasement is provided with dust removal mechanism, be provided with on the roof and be used for advancing the conveying mechanism of dust treatment incasement with the gaseous transport that contains the dust that produces in broken case and the casing, the below symmetry of broken case is provided with the mounting bracket, it changes the rod, two to rotate through the bearing symmetry between the mounting bracket the surface cover of changeing the rod is equipped with the conveyer belt, broken case and casing pass through extension board demountable installation at the top of two mounting brackets, one of them the front of mounting bracket is fixed with conveying motor, one of them the one end of changeing the rod pass the front of one of them mounting bracket and with conveying motor's output shaft fixed connection.

Further, the reel is decurrent slope form toward the casing direction, the discharge gate of reel is the bore and contracts gradually, the opening has been seted up to a lateral wall of broken case, the opening internal fixation has accepts the board, it is located reel discharge gate below to accept the board, the broken roller of second is located accepts the board below.

Furthermore, the driving mechanism comprises a driving motor fixed on the back of the crushing box, one end of each of the two first crushing rollers penetrates through the back of the crushing box and is respectively sleeved with and fixed with a first gear, the two first gears are meshed, one end of one of the first crushing rollers is sleeved with and fixed with a driving wheel and is fixedly connected with an output shaft of the driving motor, one end of each of the two second crushing rollers penetrates through the back of the shell and is respectively sleeved with and fixed with a second gear, the two second gears are meshed, one end of one of the second crushing rollers is sleeved with and fixed with a driven wheel, and a belt is sleeved between the driving wheel and the driven wheel.

Further, dust removal mechanism includes the mounting panel of sliding connection in the dust processing incasement, the bottom symmetry of mounting panel is fixed with four second springs, four the bottom of second spring is all fixed in the dust processing incasement, the bottom equidistance of mounting panel is fixed with the filter bag, the dust processing incasement is rotated through the bearing and is connected with the bull stick, the both ends of bull stick are all overlapped and are established and are fixed with the cam, two the surface of cam all with the bottom in close contact with of mounting panel, a lateral wall of dust processing case is fixed with the motor, a lateral wall of dust processing case and the output fixed connection of motor are passed to the one end of bull stick.

Further, the air outlet has been seted up to the top equidistance of mounting panel, the top of air outlet all is fixed with the dust screen.

Further, conveying mechanism is including fixing the negative-pressure air fan at the roof top, a lateral wall equidistance installation intercommunication of broken case has first air-supply line, a lateral wall equidistance installation intercommunication of casing has the second air-supply line, first air-supply line and second air-supply line all hold the intercommunication through the air inlet of connecting pipe with negative-pressure air fan, negative-pressure air fan's air-out end installation intercommunication has a tuber pipe, the bottom that goes out the tuber pipe and the front installation intercommunication of dust disposal case.

Furthermore, the feed inlet of broken case is connected with two baffles through round pin axle symmetry rotation, the bottom of baffle all is fixed with two third springs symmetrically, and the bottom of third spring all fixes in broken incasement.

Further, two the symmetry is connected with the pivot through the bearing rotation between the mounting bracket, two the both ends of pivot all pass the lateral part of mounting bracket and are fixed with the tire.

(III) advantageous effects

Compared with the prior art, the invention provides production equipment applied to environment-friendly nickel pig iron production, and the production equipment has the following beneficial effects:

according to the invention, through the arrangement of the driving mechanism, the through hole, the receiving plate, the shell and the second crushing roller, the larger raw ore which is not sieved can be secondarily crushed, the crushing effect of the raw ore is improved, and through the arrangement of the dust treatment box, the dust removing mechanism, the conveying mechanism and the baffle plate, the dust-containing gas generated during crushing can be filtered and then discharged, so that the pollution to the surrounding environment can be avoided, and the dust removing mechanism can treat the retained dust, thereby avoiding the influence of more accumulated dust on the dust removing effect of the dust removing mechanism.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the crushing box and the shell of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is a schematic view of a second perspective structure of the present invention;

FIG. 5 is a schematic view of a rotary rod according to the present invention;

FIG. 6 is a schematic view of the internal structure of the dust handling box of the present invention;

fig. 7 is a schematic view of the structure of the screen frame of the present invention.

In the figure: 1. a crushing box; 2. a first crushing roller; 3. a screen frame; 4. a telescopic sleeve; 5. a first spring; 6. vibrating a motor; 7. a housing; 8. a second crushing roller; 9. a drive mechanism; 901. a drive motor; 902. a first gear; 903. a driving wheel; 904. a second gear; 905. a driven wheel; 906. a belt; 10. a dust treatment box; 11. a top plate; 12. a dust removal mechanism; 1201. mounting a plate; 1202. a second spring; 1203. a filter bag; 1204. a rotating rod; 1205. a cam; 1206. a motor; 1207. an air outlet; 13. a conveying mechanism; 1301. a negative pressure fan; 1302. a first air inlet pipe; 1303. a second air inlet pipe; 1304. an air outlet pipe; 14. a mounting frame; 15. rotating the stick; 16. a conveyor belt; 17. a conveying motor; 18. a port; 19. a bearing plate; 20. a baffle plate; 21. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-5, a production apparatus applied to the production of environment-friendly nickel pig iron according to an embodiment of the present invention includes a crushing box 1, two first crushing rollers 2 are rotatably connected to the inside of the crushing box 1 through bearings, a screen frame 3 is disposed below the first crushing rollers 2, four telescopic sleeves 4 are symmetrically fixed to the bottom of the screen frame 3, first springs 5 are respectively sleeved on the surfaces of the telescopic sleeves 4, the top ends of the first springs 5 are respectively fixed to the bottom of the screen frame 3, the bottom ends of the first springs 5 are respectively fixed to the crushing box 1, a vibration motor 6 is fixed to the bottom of the screen frame 3, a housing 7 is fixed to one side wall of the crushing box 1, two second crushing rollers 8 are rotatably connected to the inside of the housing 7 through bearings, a driving mechanism 9 for driving the two first crushing rollers 2 and the two second crushing rollers 8 to rotate is disposed on the crushing box 1, a dust disposal box 10 is fixed to the top of the housing 7, a top plate 11 is fixed at the top of the dust processing box 10, a dust removing mechanism 12 is arranged in the dust processing box 10, a conveying mechanism 13 used for conveying dust-containing gas generated in the crushing box 1 and the shell 7 into the dust processing box 10 is arranged on the top plate 11, mounting frames 14 are symmetrically arranged below the crushing box 1, two rotating rods 15 are symmetrically and rotatably connected between the mounting frames 14 through bearings, a conveying belt 16 is sleeved on the surfaces of the two rotating rods 15, the crushing box 1 and the shell 7 are detachably mounted at the tops of the two mounting frames 14 through supporting plates, a conveying motor 17 is fixed on the front surface of one of the mounting frames 14, and one end of one of the rotating rods 15 penetrates through the front surface of one of the mounting frames 14 and is fixedly connected with an output shaft of the conveying motor 17; to sum up, when the laterite-nickel ore raw ore needs to be crushed, the driving mechanism 9 is started to drive the two first crushing rollers 2 and the two second crushing rollers 8 to rotate, the raw ore enters from the upper part of the crushing box 1, so that the large raw ore can be crushed for the first time under the action of the two first crushing rollers 2, the vibrating motor 6 can drive the screen frame 3 to vibrate in the crushing box 1, so that the ore crushed for the first time can be screened, the screened material falls onto the conveying belt 16, the material which does not pass through the screen frame 3 is conveyed into the shell 7, the ore is crushed for the second time under the action of the second crushing rollers 8, the material crushed for the second time also falls onto the conveying belt 16, the crushed material can be conveyed out under the action of the conveying motor 17, and when the driving mechanism 9 drives the first crushing rollers 2 and the second crushing rollers 8 to crush the raw ore, dust removal mechanism 12 and conveying mechanism 13 begin work simultaneously, and conveying mechanism 13 can be with broken case 1 and the dust pump that produces when casing 7 is interior broken in sending dust processing case 10 in, under the effect of dust removal mechanism 12, can filter the back discharge to the dust that contains in the gas to can avoid causing the pollution to the surrounding environment.

As shown in fig. 2 and 7, in some embodiments, the screen frame 3 is inclined downward toward the housing 7, the discharge opening of the screen frame 3 has a gradually decreasing diameter, a through opening 18 is formed in a side wall of the crushing box 1, a receiving plate 19 is fixed in the through opening 18, the receiving plate 19 is located below the discharge opening of the screen frame 3, and the second crushing roller 8 is located below the receiving plate 19, so as to facilitate the material that does not pass through the screen frame 3 to be fed into the housing 7.

As shown in fig. 4, in some embodiments, the driving mechanism 9 includes a driving motor 901 fixed on the back of the crushing box 1, one end of each of the two first crushing rollers 2 passes through the back of the crushing box 1 and is respectively sleeved and fixed with a first gear 902, the two first gears 902 are engaged, one end of one of the first crushing rollers 2 is sleeved and fixed with a driving wheel 903 and is fixedly connected with an output shaft of the driving motor 901, one end of each of the two second crushing rollers 8 passes through the back of the housing 7 and is respectively sleeved and fixed with a second gear 904, the two second gears 904 are engaged, one end of one of the second crushing rollers 8 is sleeved and fixed with a driven wheel 905, a belt 906 is sleeved between the driving wheel 903 and the driven wheel 905, the driving motor 901 is started to drive one of the first crushing rollers 2 to rotate, and the first crushing roller 2 can drive one of the first gears 902 and the driving wheel 903 to rotate simultaneously, this first gear 902 just can drive another first gear 902 relative rotation to can drive two first crushing rollers 2 relative rotation simultaneously and come to carry out the breakage to the ore deposit, action wheel 903 can drive under the effect of belt 906 and rotate from driving wheel 905, from driving wheel 905 can drive one of them second crushing roller 8 and cover and establish one of them second gear 904 rotation of fixing on it, this second gear 904 can drive another second gear 904 relative rotation, thereby can drive two second crushing roller 8 relative rotations.

As shown in fig. 4 and fig. 6, in some embodiments, the dust removing mechanism 12 includes a mounting plate 1201 slidably connected in the dust processing box 10, four second springs 1202 are symmetrically fixed at the bottom of the mounting plate 1201, the bottom ends of the four second springs 1202 are all fixed in the dust processing box 10, filter bags 1203 are equidistantly fixed at the bottom of the mounting plate 1201, a rotating rod 1204 is rotatably connected in the dust processing box 10 through a bearing, cams 1205 are respectively sleeved and fixed at both ends of the rotating rod 1204, the surfaces of the two cams 1205 are both in close contact with the bottom of the mounting plate 1201, a motor 1206 is fixed on a side wall of the dust processing box 10, one end of the rotating rod 1204 passes through a side wall of the dust processing box 10 and is fixedly connected with an output end of the motor 1206, in use, the motor 1206 is activated to send gas containing dust in the dust processing box 10, the dust can be retained in the filter bags 1203 under the action of the filter bags 1203, the gaseous dust treatment case 10 of discharging in from filter bag 1203 after the filtration in, motor 1206 can drive bull stick 1204 and rotate, bull stick 1204 can drive two cams 1205 and rotate, cam 1205 cooperation second spring 1202 can drive mounting panel 1201 and shake about in dust treatment case 10, mounting panel 1201 can drive filter bag 1203 and shake about, thereby can shake the bottom of falling at dust treatment case 10 to the dust that is detained on the filter bag 1203 surface and pile up, thereby can avoid detaining and can't handle and influence the dust removal effect of dust removal mechanism 12 at the dust on filter bag 1203 surface.

As shown in fig. 6, in some embodiments, the top of the mounting plate 1201 is provided with air outlets 1207 at equal intervals, and dust screens are fixed on the tops of the air outlets 1207, so that the filtered air is discharged from the dust processing box 10, and the dust screens can prevent external impurities from falling into the filter bag 1203.

As shown in fig. 1, in some embodiments, the conveying mechanism 13 includes a negative pressure fan 1301 fixed on the top of the top plate 11, a first air inlet pipe 1302 is installed and communicated with a side wall of the crushing box 1 at an equal interval, a second air inlet pipe 1303 is installed and communicated with a side wall of the housing 7 at an equal interval, both the first air inlet pipe 1302 and the second air inlet pipe 1303 are communicated with an air inlet end of the negative pressure fan 1301 through connecting pipes, an air outlet pipe 1304 is installed and communicated with an air outlet end of the negative pressure fan 1301, a bottom end of the air outlet pipe 1304 is installed and communicated with the front side of the dust processing box 10, and the negative pressure fan 1301 is started to suck dust in the crushing box 1 and the housing 7 through the first air inlet pipe 1302 and the second air inlet pipe 1303, respectively, and then send the dust processing box 10 through the air outlet pipe 1304.

As shown in fig. 2, in some embodiments, the feed inlet of the crushing box 1 is rotationally connected with two baffles 20 through pin symmetry, two third springs are symmetrically fixed at the bottoms of the baffles 20, and the bottom ends of the third springs are fixed in the crushing box 1, so that dust generated when the crushing box 1 crushes materials can be prevented from being scattered from the feed inlet of the crushing box 1, and the dust is prevented from being blocked.

In some embodiments, as shown in fig. 1, the two mounting frames 14 are rotatably connected with a rotating shaft 21 through bearings, and both ends of the two rotating shafts 21 penetrate through the side parts of the mounting frames 14 and are fixed with tires, so that the heavy equipment can be conveniently moved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be applied to production facility of environmental protection nickel pig iron production, includes broken case (1), its characterized in that: the crushing box is characterized in that two first crushing rollers (2) are rotatably connected in the crushing box (1) through bearings, a screen frame (3) is arranged below the first crushing rollers (2), four telescopic sleeves (4) are symmetrically fixed at the bottom of the screen frame (3), first springs (5) are sleeved on the surfaces of the telescopic sleeves (4), the top ends of the first springs (5) are fixed with the bottom of the screen frame (3), the bottom ends of the first springs (5) are fixed in the crushing box (1), a vibration motor (6) is fixed at the bottom of the screen frame (3), a shell (7) is fixed on one side wall of the crushing box (1), two second crushing rollers (8) are rotatably connected in the shell (7) through bearings, and a driving mechanism (9) for driving the two first crushing rollers (2) and the two second crushing rollers (8) to rotate is arranged on the crushing box (1), the dust treatment box (10) is fixed at the top of the shell (7), a top plate (11) is fixed at the top of the dust treatment box (10), a dust removal mechanism (12) is arranged in the dust treatment box (10), a conveying mechanism (13) used for conveying dust-containing gas generated in the crushing box (1) and the shell (7) into the dust treatment box (10) is arranged on the top plate (11), mounting frames (14) are symmetrically arranged below the crushing box (1), two rotating rods (15) are symmetrically and rotatably connected between the mounting frames (14) through bearings, a conveying belt (16) is sleeved on the surfaces of the rotating rods (15), the crushing box (1) and the shell (7) are detachably mounted at the tops of the two mounting frames (14) through supporting plates, one of the conveying motor (17) is fixed on the front surface of the mounting frames (14), one end of one of the rotary rods (15) penetrates through the front face of one of the mounting frames (14) and is fixedly connected with an output shaft of the conveying motor (17).

2. The production facility for environmentally friendly nickel pig iron production as set forth in claim 1, wherein: reel (3) are decurrent slope form toward casing (7) direction, the discharge gate of reel (3) is the bore and contracts gradually, opening (18) have been seted up to a lateral wall of broken case (1), opening (18) internal fixation has accepts board (19), accept board (19) and be located reel (3) discharge gate below, second crushing roller (8) are located accepts board (19) below.

3. The production facility for environmentally friendly nickel pig iron production as set forth in claim 1, wherein: the driving mechanism (9) comprises a driving motor (901) fixed to the back of the crushing box (1), one end of each first crushing roller (2) penetrates through the back of the crushing box (1) and is fixedly provided with a first gear (902) in a sleeved mode, the first gears (902) are meshed, one end of each first crushing roller (2) is fixedly provided with a driving wheel (903) and is fixedly connected with an output shaft of the driving motor (901), one end of each second crushing roller (8) penetrates through the back of the shell (7) and is fixedly provided with a second gear (904) in a sleeved mode, the second gears (904) are meshed, one end of each second crushing roller (8) is fixedly provided with a driven wheel (905) in a sleeved mode, and a belt (906) is sleeved between the driving wheel (903) and the driven wheel (905).

4. The production facility for environmentally friendly nickel pig iron production as set forth in claim 1, wherein: dust removal mechanism (12) are including mounting panel (1201) of sliding connection in dust processing case (10), the bottom symmetry of mounting panel (1201) is fixed with four second springs (1202), four the bottom of second spring (1202) is all fixed in dust processing case (10), the bottom equidistance of mounting panel (1201) is fixed with filter bag (1203), it is connected with bull stick (1204) to rotate through the bearing in dust processing case (10), the both ends of bull stick (1204) are all overlapped and are established and are fixed with cam (1205), two the surface of cam (1205) all with the bottom in close contact with of mounting panel (1201), a lateral wall of dust processing case (10) is fixed with motor (1206), one end of bull stick (1204) is passed a lateral wall of dust processing case (10) and with the output fixed connection of motor (1206).

5. The production facility for environmentally friendly nickel pig iron production as set forth in claim 4, wherein: air outlet (1207) have been seted up to the top equidistance of mounting panel (1201), the top of air outlet (1207) all is fixed with the dust screen.

6. The production facility for environmentally friendly nickel pig iron production as set forth in claim 1, wherein: conveying mechanism (13) are including fixing negative pressure air fan (1301) at roof (11) top, a lateral wall equidistance installation intercommunication of broken case (1) has first air-supply line (1302), a lateral wall equidistance installation intercommunication of casing (7) has second air-supply line (1303), first air-supply line (1302) and second air-supply line (1303) all hold the intercommunication through the air inlet of connecting pipe with negative pressure air fan (1301), the air-out end installation intercommunication of negative pressure air fan (1301) has air-out pipe (1304), the bottom of air-out pipe (1304) and the front installation intercommunication of dust disposal case (10).

7. The production facility for environmentally friendly nickel pig iron production as set forth in claim 1, wherein: the feed inlet of broken case (1) is connected with two baffle (20) through round pin axle symmetry rotation, the equal symmetry in bottom of baffle (20) is fixed with two third springs, and the bottom of third spring all fixes in broken case (1).

8. The production facility for environmentally friendly nickel pig iron production as set forth in claim 1, wherein: two the symmetry is connected with pivot (21) through the bearing rotation between mounting bracket (14), two the lateral part of mounting bracket (14) is all passed and the tire is fixed with at the both ends of pivot (21).