CN210965517U

CN210965517U - Steel slag powder recovery device

Info

Publication number: CN210965517U
Application number: CN201920690202.1U
Authority: CN
Inventors: 刘华舟
Original assignee: 刘华舟
Current assignee: Tangshan City Fengrun Zhong Xiang metal structure manufacturing Co.,Ltd.
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-07-10
Anticipated expiration: 2029-05-14

Abstract

The utility model relates to the technical field of steel slag recovery, in particular to a steel slag powder recovery device, which comprises a mill, an exhaust fan, a sieve plate arranged in the mill, a dust collection box arranged on the exhaust fan and an iron removal unit connected between the mill and the exhaust fan, wherein the exhaust fan pumps the steel slag powder ground in the mill into the iron removal unit for iron removal, and the steel slag powder after iron removal is pumped into the dust collection box for storage through the exhaust fan; the deironing unit includes outer barrel, interior barrel, water conservancy diversion piece, screw rod, permanent magnet, servo motor, first conductor, second conductor, insulation board, No. two insulation boards, anodal lead wire, negative pole lead wire, electro-magnet, carbon brush and power, through mutually supporting between servo motor, electro-magnet and permanent magnet, has realized also can clear away the iron particle through simple operation under the situation of not shutting down, has realized the continuous recovery operation of slag powder, recovery iron particle that can be timely.

Description

Steel slag powder recovery device

Technical Field

The utility model relates to a slag recovery technical field specifically is a slag powder recovery unit.

Background

The steel slag is waste slag of steel-making industry, which contains 3 to 15 percent of iron besides reusable cement minerals; after the steel slag is ground, steel slag mineral powder with the fineness of 400-600m2/kg can be formed, and the steel slag mineral powder can replace 20-60% of cement to prepare concrete, so that the steel slag cement has better market prospect. In order to improve the grindability of the steel slag, iron is removed in the process of grinding the steel slag mineral powder, meanwhile, the negative influence of the iron on the performance of the cement concrete can be reduced due to the reduction of the iron content of the steel slag mineral powder, and the recovered iron can be reused as a raw material.

At present, the iron removal mode generally comprises a dry method and a wet method, wherein the dry recovery method generally comprises arranging an exhaust fan at the end part of a mill, and arranging a sieve plate between the exhaust fan and the mill, and as the mineral powder particles in the steel slag mineral powder are generally smaller than 100 micrometers, and the particle size of the iron powder is generally between 0.1mm and 2mm, the mineral powder can be extracted by adjusting the wind speed of the exhaust fan, so that the separation between the mineral powder and the iron powder is realized, when the sieve plate is applied to the iron powder with too fine particles, the sieve plate cannot play a role of blocking, that is, the iron powder can be extracted by the exhaust fan, so that the iron removal efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slag powder recovery unit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a steel slag powder recovery device comprises a mill, an exhaust fan, a sieve plate arranged in the mill, a dust collection box arranged on the exhaust fan and an iron removal unit connected between the mill and the exhaust fan, wherein the exhaust fan pumps the steel slag powder ground in the mill into the iron removal unit for removing iron, and the steel slag powder after removing iron is pumped into the dust collection box through the exhaust fan for storage; the deironing unit comprises an outer barrel, an inner barrel, a flow guide block, a screw rod, a permanent magnet, a servo motor, a first conductor, a second conductor, an insulation board No. two, an anode lead, a cathode lead, an electromagnet, a carbon brush and a power supply, wherein the outer barrel is sleeved on the inner barrel, two ends of the inner barrel are respectively communicated with the mill and the exhaust fan, the flow guide block is arranged inside the inner barrel and is fixedly connected on the inner side wall of the inner barrel through a connecting rod, the flow guide block is used for scattering the flow direction of the steel slag powder all around, the screw rod thread penetrates through the side wall of the outer barrel, the end part of the screw rod is fixedly connected with the permanent magnet, the screw rod can be screwed out, the permanent magnet is used for adsorbing iron particles in the inner barrel, a plurality of through holes are arranged on the side wall of the inner barrel, the servo motor is fixedly connected on the outer side wall of, the output shaft of the servo motor is fixedly connected with a first insulation board, the servo motor is used for driving the first insulation board to rotate, the two sides of the first insulation board are symmetrically and fixedly connected with a first conductor and a second conductor, a second insulation board is arranged between the first conductor and the second conductor, the second insulation board is used for insulation between the first conductor and the second conductor, the electromagnet is fixedly connected onto the first conductor and the second conductor, the first conductor is electrically connected with the positive electrode of the electromagnet, the second conductor is electrically connected with the negative electrode of the electromagnet, the positive electrode lead and the negative electrode lead are respectively arranged on the side wall of the inner cylinder body in a penetrating way, carbon brushes are respectively and electrically connected onto the positive electrode lead and the negative electrode lead, the two carbon brushes are respectively and slidably connected onto the first conductor and the second conductor, and are arranged on the first conductor and the second conductor close to one side of the flow guide block, anodal lead wire and negative pole lead wire electric connection respectively on the positive negative pole of power, through the power, anodal lead wire, the negative pole lead wire, the carbon brush, cooperation between first conductor and second conductor, make the electro-magnet that is close to water conservancy diversion piece one side can communicate the power, and then adsorb the iron in the steel slag powder that passes in the inner tube, when the electro-magnet that adsorbs iron rotates the outside of inner tube under servo motor's drive, the carbon brush breaks away from with first conductor and the second conductor of reorganization, and be connected with the first conductor and the second conductor of the inside of rotating the inner tube, the electro-magnet outage of the outside of the inner tube body this moment is located, iron on the electro-magnet falls, and be adsorbed by the permanent magnet on the screw rod, can detach the iron that adsorbs on the permanent magnet with the screw rod back-out, thereby realize also can clear away the iron grain under the situation of not shutting down.

Preferably, the power supply is one of commercial power or a storage battery.

Preferably, the left side surface of the flow guide block is of a cone structure.

Preferably, the iron plate is fixedly connected to the side wall of the electromagnet, and the iron plate can be temporarily magnetized after the electromagnet is electrified, so that the contact area of the iron plate and the steel slag powder is increased, and the iron removal efficiency is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the steel slag powder recovery device provided by the utility model can adsorb iron particles filtered by the filter screen by electrifying the electromagnet, thereby improving the iron removal efficiency; through the mutual cooperation among servo motor, electro-magnet and permanent magnet, realized also can clear away the iron shot through simple operation under the situation of not shutting down, realized the continuous recovery operation of slag powder, recovery iron shot that can be timely.

Drawings

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

FIG. 2 is a cross-sectional view of an iron removal unit;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

fig. 5 is a partially enlarged view of C in fig. 3.

In the figure: the iron removing device comprises a mill 1, an exhaust fan 2, a dust collecting box 3, an iron removing unit 4, an outer cylinder 401, an inner cylinder 402, a guide block 403, a screw rod 404, a permanent magnet 405, a servo motor 406, a first conductor 407, a second conductor 408, a first insulating plate 409, a second insulating plate 410, a positive lead 411, a negative lead 412, electromagnets 413, 414 and a carbon brush plate 415.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model relates to a steel slag powder recovery device, which comprises a mill 1, an exhaust fan 2, a sieve plate arranged in the mill 1, a dust collection box 3 arranged on the exhaust fan 2, and an iron removal unit 4 connected between the mill 1 and the exhaust fan 2, wherein the exhaust fan 2 pumps the steel slag powder ground in the mill 1 into the iron removal unit 4 for iron removal, and the steel slag powder after iron removal is pumped into the dust collection box 3 through the exhaust fan 2 for storage; the deironing unit 4 comprises an outer cylinder 401, an inner cylinder 402, a flow guide block 403, a screw 404, a permanent magnet 405, a servo motor 406, a first conductor 407, a second conductor 408, an insulating plate 409I, an insulating plate 410 II, an anode lead 411, a cathode lead 412, an electromagnet 413, a carbon brush 414 and a power supply, wherein the outer cylinder 401 is sleeved on the inner cylinder 402, two ends of the inner cylinder 402 are respectively communicated with the mill 1 and the exhaust fan 2, the flow guide block 403 is arranged inside the inner cylinder 402, the flow guide block 403 is fixedly connected to the inner side wall of the inner cylinder 402 through a connecting rod, the flow guide block 403 is used for scattering the flow direction of the slag powder all around, the screw 404 penetrates through the side wall of the outer cylinder 401 in a threaded manner, the end of the screw 404 is fixedly connected with the permanent magnet 405, the screw 404 can be screwed out, the permanent magnet 405 is used for adsorbing iron particles in the outer cylinder 401, a plurality of through, the servo motor 406 is fixedly connected to the outer side wall of the inner cylinder 402, the output shaft of the servo motor 406 penetrates through the side wall of the inner cylinder 402 to reach the through hole in a rotating manner, a first insulating plate 409 is fixedly connected to the output shaft of the servo motor 406, the servo motor 406 is used for driving the first insulating plate 409 to rotate, a first conductor 407 and a second conductor 408 are symmetrically and fixedly connected to two sides of the first insulating plate 409, a second insulating plate 410 is arranged between the first conductor 407 and the second conductor 408, the second insulating plate 410 is used for insulating the first conductor 407 and the second conductor 408, the electromagnet 413 is fixedly connected to the first conductor 407 and the second conductor 408, the first conductor 407 is electrically connected to the positive electrode of the electromagnet 413, the second conductor 408 is electrically connected to the negative electrode of the electromagnet 413, the positive electrode lead 411 and the negative electrode lead 412 are respectively arranged on the side wall of the inner cylinder 402 in a penetrating manner, the positive lead 411 and the negative lead 412 are both electrically connected with carbon brushes 414, the two carbon brushes 414 are respectively connected with the first conductor 407 and the second conductor 408 in a sliding manner, the carbon brushes 414 are arranged on the first conductor 407 and the second conductor 408 near one side of the flow guide block 403, the positive lead 411 and the negative lead 412 are respectively electrically connected with the positive electrode and the negative electrode of the power supply, the electromagnet 413 near one side of the flow guide block 403 can be communicated with the power supply through the cooperation among the power supply, the positive lead 411, the negative lead 412, the carbon brushes 414, the first conductor 407 and the second conductor 408, so that the iron in the steel slag powder passing through the inner cylinder 402 is adsorbed, when the electromagnet 413 adsorbed to the iron is driven by the servo motor 406 to rotate to the outside of the inner cylinder 402, the carbon brushes 414 are separated from the first conductor 407 and the second conductor 408 which are changed and are connected with the first conductor 407 and the second conductor 408 which are rotated to the inside of the inner cylinder 402, at this time, the electromagnet 413 positioned outside the inner cylinder 402 is powered off, iron on the electromagnet 413 falls down and is adsorbed by the permanent magnet 405 on the screw 404, and the screw 404 is screwed out to remove the iron adsorbed on the permanent magnet 405, so that iron particles can be removed under the condition of no shutdown.

As an embodiment of the present invention, the power supply is one of a commercial power or a storage battery.

As an embodiment of the present invention, the left side surface of the flow guiding block 403 is a cone structure.

As an embodiment of the present invention, the iron plate 415 is fixedly connected to the side wall of the electromagnet 413, and the iron plate 415 can be magnetized temporarily after the electromagnet 413 is powered on, so as to increase the contact area with the steel slag powder and improve the iron removal efficiency.

The working principle is as follows: the steel slag powder ground in the mill 1 is pumped into the iron removal unit 4 by the exhaust fan 2 to remove iron, the steel slag powder after iron removal is pumped into the dust collection box 3 by the exhaust fan 2 to be stored, when the steel slag powder reaches the inside of the iron removal unit 4, the flow guide block 403 disperses the flow direction of the steel slag powder towards the periphery, the servo motor 406 is used for driving the first insulating plate 409 to rotate, the first insulating plate 409 drives the first conductor 407 and the second conductor 408 on the two sides to rotate, the positions of the two electromagnets 413 on the upper side and the lower side are continuously changed, through the cooperation among the power supply, the positive lead 411, the negative lead 412, the carbon brush 414, the first conductor 407 and the second conductor 408, the electromagnet 413 on the side close to the flow guide block 403 can be communicated with the power supply to adsorb iron in the steel slag powder passing through the inner cylinder 402, when the electromagnet 413 adsorbed to the iron is driven by the servo motor 406 to rotate to the outside of the, the carbon brush 414 is separated from the first conductor 407 and the second conductor 408 which are reorganized, and is connected with the first conductor 407 and the second conductor 408 which rotate to the inside of the inner cylinder 402, at this time, the electromagnet 413 which is positioned at the outside of the inner cylinder 402 is powered off, iron on the electromagnet 413 falls down and is adsorbed by the permanent magnet 405 on the screw 404, and the screw 404 is screwed out to remove the iron adsorbed on the permanent magnet 405, so that iron particles can be removed under the condition of no shutdown.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a slag powder recovery unit, includes mill (1), air exhauster (2), installs sieve in mill (1) and installs dust collection box (3) on air exhauster (2), its characterized in that: the iron removing device is characterized by further comprising an iron removing unit (4) connected between the grinding machine (1) and the exhaust fan (2), wherein the iron removing unit (4) comprises an outer barrel (401), an inner barrel (402), a flow guide block (403), a screw rod (404), a permanent magnet (405), a servo motor (406), a first conductor (407), a second conductor (408), a first insulating plate (409), a second insulating plate (410), a positive lead (411), a negative lead (412), an electromagnet (413), a carbon brush (414) and a power supply, the outer barrel (401) is sleeved on the inner barrel (402), two ends of the inner barrel (402) are respectively communicated with the grinding machine (1) and the exhaust fan (2), the flow guide block (403) is arranged inside the inner barrel (402), the flow guide block (403) is fixedly connected to the inner side wall of the inner barrel (402) through a connecting rod, the screw rod (404) penetrates through the side wall of the outer barrel (401), the end part of the screw rod (404) is fixedly connected with a permanent magnet (405); the side wall of the inner cylinder (402) is provided with a plurality of through holes, the servo motor (406) is fixedly connected to the outer side wall of the inner cylinder (402), the output shaft of the servo motor (406) rotates to penetrate through the side wall of the inner cylinder (402) to reach the through holes, the output shaft of the servo motor (406) is fixedly connected with a first insulating plate (409), the two sides of the first insulating plate (409) are symmetrically and fixedly connected with a first conductor (407) and a second conductor (408), a second insulating plate (410) is arranged between the first conductor (407) and the second conductor (408), the electromagnet (413) is fixedly connected to the first conductor (407) and the second conductor (408), the first conductor (407) is electrically connected with the positive pole of the electromagnet (413), the second conductor (408) is electrically connected with the negative pole of the electromagnet (413), the positive pole lead (411) and the negative pole lead (412) are respectively arranged on the side wall of the inner cylinder (402) in a penetrating manner, the positive lead (411) and the negative lead (412) are both electrically connected with carbon brushes (414), the two carbon brushes (414) are respectively connected onto the first conductor (407) and the second conductor (408) in a sliding manner, the carbon brushes (414) are arranged on the first conductor (407) and the second conductor (408) close to one side of the flow guide block (403), and the positive lead (411) and the negative lead (412) are respectively electrically connected onto a positive electrode and a negative electrode of a power supply.

2. The steel slag powder recovery device according to claim 1, wherein: the power supply is one of commercial power or a storage battery.

3. The steel slag powder recovery device according to claim 1, wherein: the left side surface of the flow guide block (403) is of a cone structure.

4. The steel slag powder recovery device according to claim 1, wherein: an iron plate (415) is fixedly connected to the side wall of the electromagnet (413).