CN214637291U - Steel slag grading magnetic separation conveying mechanism - Google Patents

Steel slag grading magnetic separation conveying mechanism Download PDF

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CN214637291U
CN214637291U CN202023315865.7U CN202023315865U CN214637291U CN 214637291 U CN214637291 U CN 214637291U CN 202023315865 U CN202023315865 U CN 202023315865U CN 214637291 U CN214637291 U CN 214637291U
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iron
slag
belt
magnetic separation
conveying
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屈志杰
张中宇
王敬坤
刘爱民
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Xinxiang Changcheng Machinery Co ltd
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Xinxiang Changcheng Machinery Co ltd
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Abstract

The utility model provides a hierarchical magnetic separation transport mechanism of slag, transport mechanism includes: the belt conveyor is arranged at a slag outlet of the vertical mill and is used for conveying the slag-iron mixture discharged by the vertical mill to a specified position; the multistage iron remover is arranged right above the belt conveyor and is used for carrying out graded magnetic separation on iron in the conveying process of the slag-iron mixture; the slag-iron mixture conveying device is arranged at a slag outlet of the vertical mill, conveys a slag-iron mixture discharged by the vertical mill, is provided with a multi-stage iron remover on a conveying path of the slag-iron mixture, and performs graded magnetic separation according to the grade of iron; the iron and RO phases in the steel slag are separated by magnetism, so that the vertical mill operates stably, the abrasion of a grinding roller is weakened, and the grinding energy consumption is reduced; the multistage iron remover is formed by combining a plurality of iron removing devices with different magnetic field strengths and sequentially enhanced magnetic field strengths, iron can be fully selected, fine classification is carried out according to different grades of iron, and the maximum economic benefit of iron selection is realized.

Description

Steel slag grading magnetic separation conveying mechanism
Technical Field
The utility model belongs to the technical field of the slag grinding, concretely relates to hierarchical magnetic separation transport mechanism of slag.
Background
As a by-product of the steel-making process, the steel slag is formed in a process similar to that of cement clinker, and all the steel slag forms C3S、 C2S and other minerals with hydraulic gelation properties, steel slag is ground in an ultrafine mode and then used as a cement admixture to produce steel slag cement, or used as an active admixture of concrete to prepare high-performance concrete, the steel slag can be comprehensively utilized, the added value of the steel slag is greatly improved, and the method is the best scheme for efficiently utilizing the steel slag.
However, in the steel-making process, the steel slag exists at a high temperature of 1600 ℃ for a long time, so that the silicate mineral in the steel slag has sufficient time to crystallize and grow, and C3The S mineral has a regular 'hollow' structure at high temperature, more impurity ions such as FeO, MgO and the like can be dissolved in solid solution, the structure is more stable, and meanwhile, a continuous solid solution can be formed between FeO-MgO-MnO, namely an RO phase, so that the hydration speed of the mineral phase in the steel slag is reduced, the activity is obviously reduced, and the RO phase is hard and wear-resistant, so that the grinding efficiency of the steel slag is limited.
Meanwhile, the steel-making process determines that a large amount of metallic iron and iron oxides are mixed in the steel slag discharging process, and the metallic iron and iron oxides with the size of a decimeter to a micron are wrapped by the slag in the process that the steel slag is cooled from a molten state to a solid state; the coated metal iron and iron oxide with the size of decimeter to micron further cause the steel slag to be hard and wear-resistant.
In order to control the content of metallic iron and iron oxides entering grinding equipment as much as possible, the large iron and high-grade iron oxides in the steel slag are generally selected by the procedures of crushing, magnetic separation and the like before grinding, but even if the iron and high-grade iron oxides are selected, the content of magnetic iron (MFe) in the steel slag still reaches about 2 percent and is far higher than the content of 0.3 percent in blast furnace slag; after the steel slag enters a vertical mill and is rolled and ground, metal iron wrapped by the slag and iron oxides are separated from the slag, and the slag and large-block slag iron which is not ground are discharged from a slag discharge port of the vertical mill; in the traditional process technology, a slag-iron mixture discharged from a slag discharge port of a vertical mill is subjected to iron removal by 1 or more identical iron removers in an external circulation link and then enters the vertical mill again for grinding; however, because the proportion of iron and iron oxides in the discharged slag is large, and part of the discharged slag has RO phases which are compact in crystallization and difficult to capture and crush by a grinding roller of a vertical mill, the iron remover can only remove part of high-grade iron, and a large amount of slag particles and dust are mixed in the selected iron; therefore, the unremoved metal iron, iron oxide and RO phase slag particles enter the vertical mill again for grinding, so that the iron oxide, the iron oxide and the RO phase slag particles are enriched in the grinding disc, the problems of high energy consumption, poor operation stability (large vibration), serious abrasion of the grinding roller, short service life and the like of the steel slag vertical mill are caused, and the efficient utilization of the steel slag resource is severely restricted.
Therefore, it is necessary to provide a technical solution to solve the above-mentioned deficiencies of the prior art, and promote the efficient utilization of steel slag resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical problems in the prior art and provide a steel slag grading magnetic separation conveying mechanism to select iron and RO items in the steel slag, so that the vertical mill operates stably, the abrasion of a grinding roller is weakened, and the grinding energy consumption is reduced; in addition, the grade of the iron is graded through magnetic separation, and the economic benefit of the iron is improved.
In order to achieve the above object, the present invention provides the following technical solutions:
a steel slag grading and magnetic separation conveying mechanism is used for conveying a slag-iron mixture discharged by a vertical mill and grading and magnetic separating iron contained in the slag-iron mixture in the conveying process, and comprises:
the belt conveyor is arranged at a slag outlet of the vertical mill and is used for conveying the slag-iron mixture discharged by the vertical mill to a specified position;
the belt conveyor at least comprises a bracket, a conveying belt, a first driving roller and a first driven roller;
one end of the bracket is provided with a first driving roller, the other end of the bracket is provided with a first driven roller, and the conveying belt is correspondingly arranged on the first driving roller and the first driven roller;
the first driving roller is correspondingly connected with a first driving motor so as to drive the conveying belt;
the iron remover is arranged right above the belt conveyor and is used for carrying out graded magnetic separation on iron in the conveying process of the slag-iron mixture;
the de-ironing separator comprises: the iron removing device comprises an iron removing belt, an iron remover body, a mounting frame, a second driving roller and a second driven roller;
the iron removing device comprises a mounting frame, a first driving roller, a first driven roller, an iron unloading belt, a second driving roller, a second driven roller, an iron remover body and a first driving roller, wherein the first driving roller is mounted at one end of the mounting frame;
the conveying direction of the iron unloading belt is vertical to the conveying direction of the belt conveyor on the horizontal plane so as to convey the iron magnetically selected by the iron remover body to a specified position;
wherein, the de-ironing separator includes first de-ironing separator, second de-ironing separator, third de-ironing separator and fourth de-ironing separator, first de-ironing separator the second de-ironing separator the third de-ironing separator with the fourth de-ironing separator is followed transport mechanism's direction of delivery arranges in proper order, first de-ironing separator the second de-ironing separator the third de-ironing separator with the magnetic field intensity of fourth de-ironing separator strengthens in proper order.
In the steel slag grading magnetic separation conveying mechanism, preferably, the magnetic field strength of the first iron remover is 400-600 gauss, so as to screen and separate iron with a grade of more than 80;
the magnetic field intensity of the second iron remover is 900-1200 gauss, so that 60-80 grade iron is screened and separated;
the magnetic field intensity of the third iron remover is 1500-1750 gauss, so that 40-60 grade iron is screened and separated;
the magnetic field intensity of the fourth iron remover is 2000-2500 gauss, so that the RO phase is subjected to magnetic separation.
Preferably, the belt conveyor is further provided with a vibrator, the vibrator is arranged between the upper belt and the lower belt of the conveyor belt, and the vibrator upwards props against the lower belt surface of the upper belt.
Preferably, the number of the vibrators is four, and the four vibrators are respectively arranged right below the first iron remover, the second iron remover, the third iron remover and the fourth iron remover.
Preferably, the bracket is provided with a mounting plate for correspondingly mounting the vibrator.
Preferably, the belt conveyor is further provided with carrier rollers, the carrier rollers are arranged on the support between the driving roller and the driven roller, and the carrier rollers abut against the lower surface of the upper belt of the conveying belt to support the conveying belt.
Preferably, the installation rack is provided with a scraper for scraping off iron on the iron unloading belt.
Preferably, the second driving roller is driven by a second driving motor;
the iron remover is characterized in that lifting lugs are arranged on the mounting frame, a steel truss is arranged above the belt conveyor, and the lifting lugs are connected with the steel truss through steel cables, so that the iron remover is close to the belt conveyor in the longitudinal direction.
Compared with the closest prior art, the utility model provides a technical scheme has following beneficial effect:
1. the characteristics that all grades of iron have different magnetization intensities are fully utilized, high-grade iron is selected firstly through graded magnetic separation, then lower-grade iron is selected in sequence, and division work is cooperated, each grade of iron remover is only responsible for magnetically separating iron in a preset grade interval, and the separation of iron and RO phases with more than 40 grades in a slag-iron mixture discharged by external circulation is ensured; the enrichment of iron and iron oxides and RO phase slag particles in the grinding disc of the vertical mill is avoided, so that the vertical mill runs stably, the abrasion of the grinding roller is weakened, the service life is prolonged, the grindability of materials in a grinding area is improved, and the grinding energy consumption is reduced.
2. The RO phase which is most compact in crystallization, extremely poor in grindability and difficult to capture and crush by a grinding roller of a vertical mill is selected in an external circulation link, and part of RO phase substances do not enter the vertical mill for grinding any more, so that the content of the RO phase substances in the finished product steel slag powder can be directly reduced, and the activity of the finished product steel slag powder is improved.
3. The different grades of iron are respectively selected by magnetism and can be used in a classified way; more than 80-grade iron can be directly used for converter steelmaking, 60-80-grade iron can be used for large blast furnace ironmaking, 40-60-grade iron can be used for common small blast furnace ironmaking, and RO phase slag particles can be used as sandstone for the construction industry; the economic values of different grades of iron are fully exerted, the overall economic benefit of the magnetically-separated ferromagnetic substances is improved, and the economic value of the steel slag is further improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural view of a steel slag grading magnetic separation conveying mechanism provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of any iron remover in the steel slag grading magnetic separation conveying mechanism provided in the embodiment of the utility model.
Illustration of the drawings: 1. a support; 2. a conveyor belt; 3. a first de-ironing separator; 4. a second iron remover; 5. a third iron remover; 6. a fourth iron remover; 7. a first drive motor; 8. a carrier roller; 9. a vibrator; 10. a first drive roll; 11. a first driven roller; 12. a mounting frame; 13. unloading the iron belt; 14. a second driven roller; 15. a second drive roll; 16. a second drive motor; 17. a deironing device body; 18. lifting lugs; 19. mounting a plate; 20. a squeegee; 21. and (4) rolling.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The utility model provides a steel slag grading magnetic separation conveying mechanism which is arranged at a slag outlet of a vertical mill, conveys slag-iron mixture discharged by the vertical mill, is provided with a multi-stage iron remover on a conveying path of the slag-iron mixture, and carries out grading magnetic separation according to the grade of iron; the iron and RO phases in the steel slag are separated by magnetism, so that the vertical mill operates stably, the abrasion of a grinding roller is weakened, and the grinding energy consumption is reduced; the multistage iron remover is formed by combining a plurality of iron removing devices with different magnetic field strengths and sequentially enhanced magnetic field strengths, iron can be fully selected, fine classification is carried out according to different grades of iron, and the maximum economic benefit of iron selection is realized.
As shown in fig. 1-2, a steel slag grading and magnetic separation conveying mechanism is used for conveying a slag-iron mixture discharged by a vertical mill and grading and magnetic separating iron contained in the slag-iron mixture in the conveying process, and the conveying mechanism comprises:
the belt feeder, the belt feeder sets up in the slag notch department of founding the mill to carry the discharged slag-iron mixture of founding the mill to the assigned position.
The belt conveyor at least comprises a bracket 1, a conveyor belt 2, a first driving roller 10 and a first driven roller 11.
One end of the support 1 is provided with a first driving roller 10, the other end is provided with a first driven roller 11, and the conveying belt 2 is correspondingly arranged on the first driving roller 10 and the first driven roller 11.
The first drive roller 10 is correspondingly connected to the first drive motor 7 to drive the conveyor belt 2.
The conveying belt 2 is arranged on a first driving roller 10 and a second driving roller 15, and the first driving roller 10 is driven by a first driving motor 7 to drive the conveying belt 2 to move so as to drive the slag-iron mixture to be conveyed along the conveying belt 2.
And the iron remover is arranged right above the belt conveyor and is used for carrying out graded magnetic separation on iron in the conveying process of the slag-iron mixture.
This application still has the following embodiment, and the de-ironing separator includes: the iron removing belt 13, the iron remover body 17, the mounting frame 12, the second driving roller 15 and the second driven roller 14.
A second driving roller 15 is installed at one end of the installation frame 12, a second driven roller 14 is installed at the other end of the installation frame correspondingly, the iron-removing belt 13 is correspondingly arranged on the second driving roller 15 and the second driven roller 14, and the iron remover body 17 is arranged between an upper belt and a lower belt of the iron-removing belt 13.
The conveying direction of the iron unloading belt 13 is vertical to the conveying direction of the belt conveyor on the horizontal plane so as to convey iron magnetically selected by the iron remover body 17 to a specified position, the iron remover body 17 has magnetic field intensity, the iron remover body 17 can be an electromagnetic iron remover or a permanent magnet and is used for adsorbing iron in a slag iron mixture, and the iron remover body 17 is arranged between an upper belt and a lower belt of the iron unloading belt 13; at the moment, iron is attached to the iron unloading belt 13 and led out to one side of the belt conveyor, so that the iron removing function is realized.
Wherein, multistage de-ironing separator includes first de-ironing separator 3, second de-ironing separator 4, third de-ironing separator 5 and fourth de-ironing separator 6, and first de-ironing separator 3, second de-ironing separator 4, third de-ironing separator 5 and fourth de-ironing separator 6 arrange along transport mechanism's direction of delivery in proper order, and the magnetic field intensity of first de-ironing separator 3, second de-ironing separator 4, third de-ironing separator 5 and fourth de-ironing separator 6 strengthens in proper order.
The different grades of iron are respectively selected by magnetism and can be used in a classified way; for example: more than 80-grade iron can be directly used for converter steelmaking, 60-80-grade iron can be used for large-scale blast furnace ironmaking, 40-60-grade iron can be used for ordinary small-scale blast furnace ironmaking, RO-phase slag particles can be used as sandstone for the construction industry, wherein the RO-phase slag particles can be regarded as iron below 40 grade; the RO phase slag particles can be separated out, so that the vertical mill operates stably, the abrasion of the grinding roller is weakened, and the grinding energy consumption is reduced; by grading the iron with different grades, the economic values of the iron with different grades are fully exerted, the overall economic benefit of the magnetically-separated ferromagnetic substances is improved, and the economic value of the steel slag is further improved.
The application also has the following implementation mode, the magnetic field intensity of the first iron remover 3 is 400-600 gauss, so as to screen and separate iron with the grade of more than 80.
The magnetic field intensity of the second iron remover 4 is 900-1200 gauss to screen and separate 60-80 grade iron.
The magnetic field intensity of the third iron remover 5 is 1500-1750 gauss, so that the 40-60 grade iron is screened and separated.
The magnetic field intensity of the fourth iron remover 6 is 2000-2500 gauss to carry out magnetic separation on the RO phase.
The magnetic field strength of the first iron remover 3 is 400-600 gauss, and under the magnetic field strength, the first iron remover 3 can separate iron with a grade of more than 80 in the iron slag mixture, wherein the magnetic field strength of the first iron remover 3 can be any one of 400 gauss, 450 gauss, 500 gauss, 550 gauss or 600 gauss.
The magnetic field intensity of the second iron remover 4 is 900-1200 gauss, and under the magnetic field intensity, the second iron remover 4 can carry out magnetic separation on 60-80 grade iron in the slag-iron mixture. The magnetic field strength of the second iron remover 4 may be any one of 900 gauss, 950 gauss, 1000 gauss, 1050 gauss, 1100 gauss, or 1200 gauss.
The magnetic field intensity of the third iron remover 5 is 1500-1750 gauss, and under the magnetic field intensity, the third iron remover 5 can carry out magnetic separation on 40-60 grade iron in the slag-iron mixture; the magnetic field intensity of the third iron remover 5 may be any one of 1500 gauss, 1550 gauss, 1600 gauss, 1650 gauss, 1700 gauss or 1750 gauss.
The magnetic field intensity of the fourth iron remover 6 is 2000-2500 gauss, and under the magnetic field intensity, the fourth iron remover 6 can carry out magnetic separation on the RO phase so as to prevent the hard RO phase from entering the vertical mill again.
The magnetic field intensity of the fourth iron remover 6 may be any one of 2000 gauss, 2100 gauss, 2200 gauss, 2250 gauss, 2300 gauss, 2350 gauss, or 2500 gauss. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some embodiments, it is preferred that the magnetic field strength of the first iron remover 3 is 500 gauss; the magnetic field intensity of the second iron remover 4 is 1100 gauss; the magnetic field strength of the third iron remover 5 is 1600 gauss. The magnetic field strength of the fourth iron remover 6 is 2250 gauss, and at this magnetic field strength, a good separation effect is achieved for the RO phase. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
This application still has following embodiment, still is equipped with vibrator 9 on the belt feeder, and vibrator 9 sets up between the last belt of conveyer belt 2 and lower belt, and vibrator 9 upwards contradicts on the lower face of taking of last belt. The separation of the iron from the slag iron mixture is accelerated by vibration.
In the embodiment, the vibrator 9 is an electromagnetic vibrator 9, the vibration frequency of the vibrator 9 is 2500-3000 Hz/min, and when the frequency of the vibrator 9 is selected, complete separation of iron and slag and falling of an iron and slag mixture caused by overhigh vibration frequency need to be considered, so the vibration frequency of the vibrator 9 is preferably 2800Hz/min, separation of iron and slag is accelerated by vibration, dust and the like are prevented from being attached to the surface of a ferromagnetic substance and being carried out by magnetic separation, that is, rapid separation of iron and slag is ensured, and the dust amount in the ferromagnetic substance is reduced; it should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some embodiments, a dust collector is disposed in the conveying path of the iron slag mixture to remove dust generated during the conveying process of the iron slag mixture. Wherein, the raise dust that the dust remover was collected is transported to the vertical mill again. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The application also has the following embodiment that four vibrators 9 are provided, and the four vibrators 9 are respectively arranged right below the first iron remover 3, the second iron remover 4, the third iron remover 5 and the fourth iron remover 6; each iron remover is provided with a vibrator 9 corresponding to the iron remover, so that the effect of vibration separation of iron slag is ensured. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some embodiments, it is preferable that a plurality of vibrators 9 be provided for each iron remover to increase the vibration effect.
The present application also has an embodiment in which the bracket 1 is provided with a mounting plate 19 for mounting the vibrator 9. The mounting plate 19 is arranged between the upper belt and the lower belt of the conveyor belt 2 to fix the vibrator, wherein the mounting plate 19 is fixedly connected to the support 1 through bolts. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
This application still has following embodiment, still is equipped with bearing roller 8 on the belt feeder, and a plurality of bearing rollers 8 set up on support 1 between drive roll and driven voller, and bearing roller 8 conflicts the lower surface of the last belt of conveyer belt 2 to support conveyer belt 2. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The present application also has an embodiment in which a scraper 20 is provided on the mounting frame 12 to scrape off iron on the iron-removing belt 13. Set up scraper blade 20, scraper blade 20 is contradicted and is unloaded the iron belt lower surface, and scraper blade perpendicular to unloads the direction of transportation of iron belt, scrapes attached iron in unloading iron belt transportation process. Iron is prevented from being attached to the iron sheet unloading belt due to static electricity, and a brush corresponding to the iron sheet unloading belt can be arranged on the scraper so as to remove the powdery iron as much as possible. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The present application also has an embodiment in which the second drive roller 15 is driven by a second drive motor 16.
Lifting lugs 18 are arranged on the mounting frame 12, a steel truss is arranged above the belt conveyor, and the lifting lugs 18 are connected with the steel truss through steel cables, so that the iron remover is close to the belt conveyor in the longitudinal direction.
Set up the steel truss and hoist the deironing device, the deironing device is taken the face and is close to 2 upper band faces of conveyer belt of belt feeder down to this deironing, guarantees the deironing effect.
In some embodiments, rollers corresponding to the upper belt and the lower belt of the iron sheet unloading belt are arranged outside the iron remover body, and the iron sheet unloading belt is supported by the rollers, so that friction between the iron sheet unloading belt and the iron remover body is reduced, static electricity is reduced, and the service life of the iron remover is prolonged.
In summary, the application provides a steel slag grading magnetic separation conveying mechanism, in the conveying mechanism, a first iron remover 3, a second iron remover 4, a third iron remover 5 and a fourth iron remover 6 are sequentially arranged along the conveying direction of a belt conveyor, and the magnetic field intensity is sequentially enhanced, so that grading magnetic separation is performed according to the grade of iron; when guaranteeing that iron can fully select, carry out meticulous grading according to the grade difference of iron, realized the biggest economic benefits who selects iron, in addition, fourth de-ironing separator 6 can carry out the magnetic separation to the RO phase to avoid the harder RO phase of texture to get into the vertical mill once more, not only be favorable to reducing RO phase content in the slag powder, in order to improve the performance of slag powder, and can make vertical mill operate steadily, reduce the wearing and tearing of vertical mill grinding roller, reduce the grinding energy consumption, improve the grinding efficiency of vertical mill.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the following claims are intended to cover all modifications, equivalents, and improvements falling within the spirit and principles of the present invention.

Claims (8)

1. The utility model provides a hierarchical magnetic separation transport mechanism of slag for carry the discharged slag-iron mixture of vertical mill, and carry out hierarchical magnetic separation to the iron that contains in the slag-iron mixture in transportation process, its characterized in that, transport mechanism includes:
the belt conveyor is arranged at a slag outlet of the vertical mill and is used for conveying the slag-iron mixture discharged by the vertical mill to a specified position;
the belt conveyor at least comprises a bracket, a conveying belt, a first driving roller and a first driven roller;
one end of the bracket is provided with a first driving roller, the other end of the bracket is provided with a first driven roller, and the conveying belt is correspondingly arranged on the first driving roller and the first driven roller;
the first driving roller is correspondingly connected with a first driving motor so as to drive the conveying belt;
the iron remover is arranged right above the belt conveyor and is used for carrying out graded magnetic separation on iron in the conveying process of the slag-iron mixture;
the de-ironing separator comprises: the iron removing device comprises an iron removing belt, an iron remover body, a mounting frame, a second driving roller and a second driven roller;
the iron removing device comprises a mounting frame, a first driving roller, a first driven roller, an iron unloading belt, a second driving roller, a second driven roller, an iron remover body and a first driving roller, wherein the first driving roller is mounted at one end of the mounting frame;
the conveying direction of the iron unloading belt is vertical to the conveying direction of the belt conveyor on the horizontal plane so as to convey the iron magnetically selected by the iron remover body to a specified position;
wherein, the de-ironing separator includes first de-ironing separator, second de-ironing separator, third de-ironing separator and fourth de-ironing separator, first de-ironing separator the second de-ironing separator the third de-ironing separator with the fourth de-ironing separator is followed transport mechanism's direction of delivery arranges in proper order, first de-ironing separator the second de-ironing separator the third de-ironing separator with the magnetic field intensity of fourth de-ironing separator strengthens in proper order.
2. The steel slag grading and magnetic separation conveying mechanism according to claim 1,
the magnetic field intensity of the first iron remover is 400-600 gauss, so as to screen and separate iron with the grade of more than 80;
the magnetic field intensity of the second iron remover is 900-1200 gauss, so that 60-80 grade iron is screened and separated;
the magnetic field intensity of the third iron remover is 1500-1750 gauss, so that 40-60 grade iron is screened and separated;
the magnetic field intensity of the fourth iron remover is 2000-2500 gauss, so that the RO phase is subjected to magnetic separation.
3. The steel slag grading and magnetic separation conveying mechanism according to claim 1, wherein the belt conveyor is further provided with a vibrator, the vibrator is arranged between the upper belt and the lower belt of the conveying belt, and the vibrator is abutted upwards against the lower belt surface of the upper belt.
4. The steel slag grading and magnetic separation conveying mechanism according to claim 3, wherein the number of the vibrators is four, and the four vibrators are respectively arranged right below the first iron remover, the second iron remover, the third iron remover and the fourth iron remover.
5. The steel slag grading and magnetic separation conveying mechanism according to claim 4, wherein the support is provided with a mounting plate on which the vibrator is correspondingly mounted.
6. The steel slag grading and magnetic separation conveying mechanism according to claim 1, wherein a plurality of carrier rollers are further arranged on the belt conveyor and arranged on the support between the driving roller and the driven roller, and the carrier rollers abut against the lower surface of the upper belt of the conveying belt to support the conveying belt.
7. The steel slag grading and magnetic separation conveying mechanism according to claim 1, wherein a scraper is arranged on the mounting rack to scrape off iron on the iron unloading belt.
8. The steel slag grading and magnetic separation conveying mechanism according to claim 1, wherein the second driving roller is driven by a second driving motor;
the iron remover is characterized in that lifting lugs are arranged on the mounting frame, a steel truss is arranged above the belt conveyor, and the lifting lugs are connected with the steel truss through steel cables, so that the iron remover is close to the belt conveyor in the longitudinal direction.
CN202023315865.7U 2020-12-31 2020-12-31 Steel slag grading magnetic separation conveying mechanism Active CN214637291U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117563996A (en) * 2023-11-08 2024-02-20 佛山市瑞丰恒业机械有限公司 Battery case cleaning system

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