Superfine grinding processing device for steel slag

Abstract

The utility model provides a steel slag superfine grinding processing device, which relates to the field of steel slag grinding processing pretreatment equipment, and comprises a double-roller crushing assembly, a pretreatment box, a feed hopper, a discharge port, a guide plate, a vibration motor, a guide plate, an electromagnetic iron remover and a three-way distributor, according to the device, crushing and magnetic separation processes can be sequentially carried out in the steel slag pretreatment box, so that the grinding efficiency is improved and the abrasion of the ball-milling equipment is greatly reduced in the process that the steel slag is finally introduced into the ball-milling equipment for fine grinding, and the crushing and magnetic separation of the steel slag are realized on one set of pretreatment device; furthermore, the fine grinding processing flow of the steel slag is optimized, and the effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel slag powder grinding processing pretreatment equipment field, specifically, relate to a kind of steel slag superfine grinding processing device. BACKGROUND

[0002] Steel slag is the waste slag generated in metallurgical industry, and the production of steel slag in China increases rapidly with the rapid development of iron and steel industry. Therefore, the treatment and resource utilization of waste slag in iron and steel enterprises are also paid more and more attention.

[0003] At present, the superfine grinding of steel slag is generally realized by a ball mill. At the same time, pretreatment is needed before the steel slag is fed into the ball mill for fine grinding. The pretreatment can preliminarily crush the steel slag to improve the grinding efficiency of the subsequent ball mill. In addition, the iron impurities in the steel slag can be separated out to prolong the service life of the ball mill in the subsequent grinding process. However, the existing pretreatment device cannot integrally have the functions of crushing and magnetic separation, and the grinding process of steel slag needs to be optimized. SUMMARY

[0004] The utility model aims at solving the problems in the background art, and further provides a kind of steel slag superfine grinding processing device.

[0005] The technical scheme adopted by the utility model to solve its technical problems is:

[0006] A kind of steel slag superfine grinding processing device, including roll crushing assembly, it further includes pretreatment box, feed hopper, discharge port, material guide plate, vibration motor, guide plate, electromagnetic iron remover and three-way distributor,

[0007] The pretreatment box is arranged on one side of the ball mill equipment, and the feed hopper and the discharge port are arranged on the pretreatment box.

[0008] The material guide plate is inclinedly arranged inside the pretreatment box and below the end of the feed hopper.

[0009] The vibration motor is arranged on the pretreatment box.

[0010] The roll crushing assembly is arranged inside the pretreatment box and below the material guide plate.

[0011] The guide plates are inclinedly and staggeredly arranged inside the pretreatment box and below the roll crushing assembly. One end of the guide plate is spacedly distributed with the inner wall of the pretreatment box.

[0012] The electromagnetic iron remover is inclinedly arranged inside the pretreatment box above the lowermost guide plate and parallelly distributed with the lowermost guide plate.

[0013] The three-way distributor is communicated with a discharging port, and a side channel of the three-way distributor is communicated with a pipeline, and a terminal end of the pipeline is above a feeding port of the ball mill equipment.

[0014] Further, the pair of roller crushing assembly and the uppermost guide plate are provided with an inclined arc-shaped filter plate, the pretreatment box is provided with a vertical auger conveyor, the input end and the output end of the vertical auger conveyor are on the same side and are communicated with the discharging channels, and one end of the two discharging channels is respectively communicated with the bottom of the arc-shaped filter plate and the inside of the pretreatment box.

[0015] Further, the pretreatment box is provided with a feed plate symmetrically distributed with the guide plate and located below the end of the discharging channel communicated with the output end of the vertical auger conveyor.

[0016] The above scheme can leave the steel slag with a large particle size after roller crushing through the inclined arc-shaped filter plate, and then the steel slag is conveyed into the vertical auger conveyor along a discharging channel under the action of the vibration motor, and then the steel slag is lifted in height by the vertical auger conveyor and then re-injected into the pretreatment box through another discharging channel for secondary crushing, so that the crushing effect of the steel slag is better.

[0017] Further, the pretreatment box is provided with a dust suction fan on one side of the feeding hopper, and a filter screen is movably arranged outside the air inlet of the dust suction fan.

[0018] The above scheme can reduce the phenomenon of dust flying during the feeding of the steel slag into the pretreatment box, and the filter screen can prolong the service life of the dust suction fan and can be replaced regularly.

[0019] Further, the terminal end of the pipeline is communicated with the star-shaped discharger.

[0020] Further, the star-shaped discharger is soft-connected between the discharging end and the feeding port of the ball mill equipment.

[0021] In the above scheme, the steel slag after pretreatment is uniformly fed into the ball mill equipment through the star-shaped discharger, and the star-shaped discharger and the feeding port of the ball mill equipment are soft-connected to reduce the probability of steel slag overflow, and the ball mill equipment is not affected by the vibration of the pretreatment box.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] Compared with the prior art, the device can successively carry out crushing and magnetic separation processes in the steel slag pretreatment box, and the grinding efficiency is improved and the wear of the ball mill equipment is greatly reduced in the process of fine grinding of the steel slag in the ball mill equipment, the crushing and magnetic separation of the steel slag are realized on a set of pretreatment device, and the fine grinding process of the steel slag is optimized, and the effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a vertical auger conveyor installation schematic view;

[0026] Reference signs:

[0027] 1, pretreatment box; 11, feed hopper; 12, material guide plate; 13, vibration motor; 14, pair roller crushing assembly; 15, material guide plate; 16, electromagnetic iron remover; 17, three-way distributor; 21, arc-shaped filter plate; 22, vertical auger conveyor; 23, discharging channel; 24, material conveying plate; 31, dust suction fan; 32, filter screen; 4, star-shaped discharger. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. The utility model is further illustrated by combining the drawings and embodiments:

[0029] As Figure 1 shown, a kind of steel slag superfine grinding processing device, including pair roller crushing assembly 14 (pair roller crushing assembly 14 belongs to prior art its working principle is not described, and its included driving component is not shown in the figure), also include pretreatment box 1, feed hopper 11, discharge port (not shown in the figure), material guide plate 12, vibration motor 13, material guide plate 15, electromagnetic iron remover 16 and three-way distributor 17,

[0030] Pretreatment box 1 is arranged on one side of ball mill equipment, and pretreatment box 1 is provided with feed hopper 11 and discharge port;

[0031] Material guide plate 12 is obliquely arranged inside pretreatment box 1 and below the end of feed hopper 11;

[0032] Vibration motor 13 is arranged on pretreatment box 1;

[0033] The roller crushing assembly 14 is arranged inside the pretreatment box 1 and below the material guide plate 12.

[0034] A plurality of material guide plates 15 are arranged inside the pretreatment box 1 and below the roller crushing assembly 14, and one end of the material guide plates 15 is distributed in the inner wall of the pretreatment box 1.

[0035] The electromagnetic iron remover 16 is arranged inside the pretreatment box 1 and above the lowermost material guide plate 15 and is distributed in parallel with the lowermost material guide plate 15.

[0036] The three-way distributor 17 is connected with the discharge port, and one side channel of the three-way distributor 17 is connected with a pipeline (not labeled in the figure), and the end of the pipeline is above the feed inlet of the ball mill equipment; the other side channel of the three-way distributor 17 is connected with the iron impurity collection box; the ball mill equipment and the iron impurity collection box are not shown in the figure, and the working principle of the ball mill equipment is not described.

[0037] Further refinement of the embodiment scheme of the utility model, as shown in Figure 1 The dust suction fan 31 is arranged on one side of the feed hopper 11, and a filter screen 32 is movably arranged outside the air inlet of the dust suction fan 31; the dust suction fan 31 can reduce the phenomenon of dust flying during the feeding of the steel slag into the pretreatment box 1, and the filter screen 32 can prolong the service life of the dust suction fan 31 and can be replaced regularly.

[0038] Further refinement of the embodiment scheme of the utility model, as shown in Figure 1 The end of the pipeline is connected with the star-shaped discharger 4, and the discharge end of the star-shaped discharger 4 is connected with the feed inlet of the ball mill equipment.

[0039] It should be noted that the vibration motor 13, the roller crushing assembly 14, the electromagnetic iron remover 16, the three-way distributor 17, the dust suction fan 31 and the star-shaped discharger 4 are electrically connected with the controller, and the controller is not shown in the figure.

[0040] The working process of the utility model is as follows:

[0041] Firstly, the steel slag is put into the pretreatment box 1 from the feeding hopper 11, and then the controller controls the vibration motor 13 to work, so that the steel slag flows to the roller crushing assembly 14 along the guide plate 12, and then the roller crushing assembly 14 can crush the steel slag to reduce the size, and after crushing, the steel slag moves downward to the guide plate 15, and then continues to flow along the guide plate 15 under the vibration of the vibration motor 13, when the steel slag passes below the electromagnetic iron remover 16, the iron impurities in the steel slag can be adsorbed on the electromagnetic iron remover 16, and then the remaining steel slag continues to flow and finally flows out from the outlet, at this time the controller controls the left channel of the three-way distributor 17 to open and the right channel to close, so that the steel slag can be introduced into the ball mill equipment for further fine grinding process, and the uniform feeding can be realized by the star-shaped discharger 4 during the process of introducing the pretreated steel slag into the ball mill equipment, and the soft connection between the star-shaped discharger 4 and the feeding port of the ball mill equipment reduces the probability of steel slag overflow, and the ball mill equipment is not affected by the vibration of the pretreatment box;

[0042] When the pretreated steel slag is for a period of time, the electromagnetic iron remover 16 will adsorb a lot of iron impurities, and then stop feeding the steel slag and make the electromagnetic iron remover 16 lose power through the controller, at this time the iron impurities can also move along the guide plate 15 under the action of the vibration motor 13, and at the same time the controller controls the left channel of the three-way distributor 17 to close and the right channel to open, so that the iron impurities are finally collected in the iron impurity collection box for storage;

[0043] Compared with the prior art, the device can perform crushing and magnetic separation processes in the steel slag pretreatment box, and the grinding efficiency is improved and the wear of the ball mill equipment is greatly reduced during the process of introducing the steel slag into the ball mill equipment for fine grinding, the crushing and magnetic separation of the steel slag are realized on a pretreatment device, and the fine grinding process of the steel slag is optimized, and the effect is better.

[0044] In some embodiments, as shown in Figure 2 The arc-shaped filter plate 21 is arranged between the roller crushing assembly 14 and the uppermost guide plate 15, the vertical auger conveyor 22 is arranged on the pretreatment box 1, the input end and the output end of the vertical auger conveyor 22 are on the same side and are both communicated with the discharge channel 23, and one end of each of the two discharge channels 23 is communicated with the bottom of the arc-shaped filter plate 21 and the inside of the pretreatment box 1 respectively;

[0045] Further optimization of the above embodiment scheme, as shown in Figure 2As shown, the pre-treatment box 1 is internally provided with the material conveying plates 24 symmetrically distributed with the material guiding plate 12 and below the end of the material discharging channel 23 communicated with the output end of the vertical auger conveyor 22; the embodiment can leave the steel slag with relatively large particle size after the pair of roller crushing through the arc-shaped filtering plate 21 arranged in an inclined manner, and then the steel slag is conveyed into the vertical auger conveyor 22 along one material discharging channel 23 under the action of the vibration motor 13, and then the steel slag is lifted in height by the vertical auger conveyor 22 and then re-injected into the pre-treatment box 1 for secondary crushing through another material discharging channel 23, so that the crushing effect of the steel slag is better, and when the steel slag is re-conveyed into the pre-treatment box 1, the steel slag can be accurately moved to the pair of roller crushing assembly 14 for the second round of pre-treatment crushing through the guidance of the material conveying plates 24.

[0046] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel slag superfine grinding device, comprising a pair of roller crushing assembly (14), characterized in that, It also comprises a pretreatment box (1), a feeding hopper (11), a discharge port, a material guiding plate (12), a vibration motor (13), a material guiding plate (15), an electromagnetic iron remover (16), and a three-way distributor (17). The pretreatment box (1) is arranged on one side of the ball milling device, and the feeding hopper (11) and the discharge port are arranged on the pretreatment box (1). The material guiding plate (12) is arranged inside the pretreatment box (1) and below the end of the feeding hopper (11). The vibration motor (13) is arranged on the pretreatment box (1). The roller crushing assembly (14) is arranged inside the pretreatment box (1) and below the material guiding plate (12). The material guiding plates (15) are arranged inside the pretreatment box (1) and below the roller crushing assembly (14) in a staggered manner, and one end of the material guiding plates (15) is distributed in the inner wall of the pretreatment box (1). The electromagnetic iron remover (16) is arranged inside the pretreatment box (1) above the lowermost material guiding plate (15) and is distributed in parallel with the lowermost material guiding plate (15). The three-way distributor (17) is connected to the discharge port, and one side of the three-way distributor (17) is connected to a pipeline, and the end of the pipeline is above the feeding port of the ball milling device.

2. The steel slag superfine grinding processing device according to claim 1, characterized in that, An arc-shaped filter plate (21) is arranged between the roller crushing assembly (14) and the uppermost material guiding plate (15), a vertical auger conveyor (22) is arranged on the pretreatment box (1), the input end and the output end of the vertical auger conveyor (22) are on the same side and are connected to a discharge channel (23), and one end of the two discharge channels (23) is connected to the bottom of the arc-shaped filter plate (21) and the inside of the pretreatment box (1), respectively.

3. The steel slag superfine grinding processing device according to claim 2, characterized in that, A material guiding plate (24) is arranged inside the pretreatment box (1) and is symmetrically distributed with the material guiding plate (12) and below the end of the discharge channel (23) connected to the output end of the vertical auger conveyor (22).

4. The steel slag superfine grinding processing device according to claim 1, characterized in that, A dust suction fan (31) is arranged on one side of the feeding hopper (11) of the pretreatment box (1), and a filter screen (32) is movably arranged outside the air inlet of the dust suction fan (31).

5. The steel slag superfine grinding processing device according to claim 1, characterized in that, The end of the pipeline is connected to a star-shaped discharger (4).

6. The steel slag superfine grinding processing device according to claim 5, characterized in that, The star-shaped discharger (4) is connected to the feeding port of the ball milling device in a flexible manner.

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