CN216471074U - A device for improving the mixing uniformity of sintered materials - Google Patents

Abstract

The utility model relates to the field of iron and steel metallurgy equipment, and discloses a device for improving the mixing uniformity of sintered materials, comprising an upstream belt conveyor, a downstream belt conveyor and a support frame. The bottom of the support frame between the upstream belt conveyor and the downstream belt conveyor is fixed with a cross arm, and one side of the middle part of the cross arm is installed with a stirring assembly, and the top of the support frame between the upstream belt conveyor and the downstream belt conveyor is installed with a material stopper assembly . In the utility model, a roller in the shape of a plum blossom pile is installed in the material transfer link, so that the sintered material is dropped from the blanking point of the upstream belt conveyor to the homogeneous material pile on the surface of the roller. The mixing process of the sintered material improves the mixing effect of the sintered material and effectively enhances the strength of the sintered ore; and in the process, the drum is driven by the self-weight of the blanking material, and no additional power supply is required, which effectively saves energy consumption.

Description

A device for improving the mixing uniformity of sintered materials

technical field

The utility model relates to the field of iron and steel metallurgy equipment, in particular to a device for improving the mixing uniformity of sintered materials.

Background technique

Belt conveyor, referred to as belt conveyor, is an important equipment for continuous transportation of modern materials, and is widely used in metallurgy, coal, chemical and building materials industries. In the raw material yard of iron and steel enterprises, a stacker and a specific stacking method are usually used to mix the materials, and the stacker often travels one layer at a time when working, resulting in sintering raw materials (such as iron-containing raw materials, fuel, fuel, etc.). Flux, etc.) are stacked in layers, and it is difficult to mix the material when conveying the material through the belt conveyor to the sintering process, which affects the quality of the sinter.

At present, the typical method to improve the mixing uniformity of sintered materials is to improve the stacker and the mixing device for adding materials, so as to make the materials evenly mixed. The existing patent 201320379575.X discloses an efficient automatic double-boom mixing stacker. The patent adopts a symmetrical double-boom structure, which can realize the simultaneous stacking operation of two material yards, but the materials stacked in layers are still It cannot be fully mixed; another patent 201220430273.6 discloses a uniform feeding and dispersing device for sintered materials. This patent improves the mixing effect to a certain extent by setting a motor and a long shaft on the upper part of the belt conveyor, but the material transportation volume is large. , the blades made of old belts are soft and bent, resulting in only a small amount of material mixing. In view of this situation, those skilled in the art provide a device for improving the mixing uniformity of sintered materials.

Utility model content

The purpose of the present utility model is to provide a device for improving the mixing uniformity of sintered materials, so as to solve the problem of poor mixing effect of sintered materials during transportation, which affects the quality of sintering proposed in the above-mentioned background art.

To achieve the above object, the utility model provides the following technical solutions:

A device for improving the mixing uniformity of sintered materials, comprising an upstream belt conveyor, a downstream belt conveyor and a support frame, a downstream belt conveyor is arranged below one end of the upstream belt conveyor, and both the upstream belt conveyor and the downstream belt conveyor are horizontally installed on the support In the frame, a cross arm is fixed at the bottom of the support frame between the upstream belt conveyor and the downstream belt conveyor, and a stirring assembly is installed on one side of the middle of the cross arm, and the stirring assembly includes a roller, a screed pile and a bearing seat, and Several groups of screed piles are fixed at equal intervals on the outer side wall of the drum. The screed piles are moved by the self-weight of the blanking material to make the drum rotate, and the material falls again to the next layer of screed piles. The material is mixed, and one end of the drum is rotatably connected to the cross arm through the bearing seat to reduce frictional resistance and ensure smooth rotation of the drum. A material stopper is installed on the top of the support frame between the upstream belt conveyor and the downstream belt conveyor. And the baffle assembly includes a baffle plate, a rubber strip and a cover plate. The baffle plate is fixed on the top of the support frame between the upstream belt conveyor and the downstream belt conveyor to prevent the side of the blank from splashing out, and a baffle at the bottom of the baffle plate. Rubber strips are pasted on the side walls to prevent the blanking material from entering the gap on both sides of the downstream belt conveyor, and a cover plate is installed on the top between the baffles to prevent the blanking material from jumping up or falling into dust.

As a further solution of the present invention, the length of the drum is 75% to 85% of the width of the downstream belt conveyor, the diameter of the drum is 200 to 400 mm, and the center of the drum is located between the upstream belt conveyor and the downstream belt conveyor. The center position of the roller, and the top of the roller is located 400-500mm outside the blanking point of the upstream belt conveyor, so that the blanking falls just at the position of the roller.

As a further solution of the present utility model: each group of the screed piles are four equiangularly distributed, and the screed piles are all cuboid structures, and the length of the screed piles is the height of the upstream belt conveyor and the downstream belt conveyor. The difference is 20% to 25%, and the width of the screed pile is 100 to 150mm, the adjacent two groups of screed piles are staggered at 60°, and the gap between two adjacent screed piles is 140 mm. ~190mm, so that the blanks are fully dispersed and mixed.

As a further solution of the present invention, the material of the baffle is steel plate, and the top of the baffle is 50-200mm higher than the top of the upstream belt conveyor, and the width of the baffle is 150%-200% of the length of the screed pile.

As a further solution of the present invention, the length of the rubber strip is equal to the width of the bottom of the baffle, the height of the rubber strip is 50-100 mm, and the lower edge of one side of the rubber strip is flush with the top of the downstream belt conveyor.

As a further solution of the present utility model: the cover plate has a "﹁" type structure, and the lower end of the cover plate is located above the downstream belt conveyor, the length of the cover plate is equal to the distance between the two baffles, And the width of the cover is equal to the width of the top of the baffle.

The beneficial effects of the present utility model are:

1. By adding a roller in the shape of a plum blossom pile in the material transfer link, the sintered material is dropped from the blanking point of the upstream belt conveyor to the screed pile on the surface of the roller. After multi-stage dispersing and mixing, the sintered material is improved. The mixing process of the sintered material improves the mixing effect of the sintered material and effectively enhances the strength of the sintered ore; and in the process, the drum is driven by the self-weight of the blanking material, and there is no need to add additional power, which effectively saves energy consumption;

2. The baffle fixed on the top of the support frame is used to block the side splash of the blanking material, and a rubber strip is pasted on one side wall of the bottom of the baffle to prevent the blanking material from entering the gap on both sides of the downstream belt conveyor, and to pass the rubber strip. A cover plate is installed on the top between the baffles to prevent the material from jumping up or falling into dust, thereby reducing material loss and equipment maintenance costs.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings.

1 is a schematic perspective view of a device for improving the mixing uniformity of sintered materials;

Fig. 2 is the partial schematic diagram of Fig. 1;

FIG. 3 is an enlarged schematic view of the stirring assembly in FIG. 1 .

In the picture: 1. Upstream belt conveyor; 2. Downstream belt conveyor; 3. Support frame; 4. Cross arm; 5. Stirring assembly; 501, Roller; 502, screed pile; 503, bearing seat; ; 601, baffle; 602, rubber strip; 603, cover.

Detailed ways

The technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. Please refer to FIGS. 1 to 3. The embodiments of the present utility model are as follows:

A device for improving the mixing uniformity of sintered materials, in Figures 1 to 3: including an upstream belt conveyor 1, a downstream belt conveyor 2 and a support frame 3, a downstream belt conveyor 2 is arranged below one end of the upstream belt conveyor 1, and the upstream belt conveyor 2 is provided. Both the conveyor 1 and the downstream belt conveyor 2 are installed horizontally in the support frame 3, the bottom of the support frame 3 between the upstream belt conveyor 1 and the downstream belt conveyor 2 is fixed with a cross arm 4, and a stirring component is installed on one side of the middle of the cross arm 4 5. The stirring assembly 5 includes a drum 501, a screed pile 502 and a bearing seat 503, and several groups of screed piles 502 are fixed at equal intervals on the outer side wall of the drum 501. Rotate, the material falls to the next layer of staggered screed piles 502 again. During this process, the material is fully mixed, and one end of the drum 501 is rotatably connected to the cross arm 4 through the bearing seat 503 to reduce frictional resistance. , to ensure that the drum 501 rotates smoothly, the top of the support frame 3 between the upstream belt conveyor 1 and the downstream belt conveyor 2 is installed with a stopper assembly 6, and the stopper assembly 6 includes a baffle 601, a rubber strip 602 and a cover plate 603, the baffle 601 is fixed on the top of the support frame 3 between the upstream belt conveyor 1 and the downstream belt conveyor 2 to prevent the side of the blanking from splashing out, and a rubber strip 602 is pasted on one side wall of the bottom of the baffle 601 for blocking The blanking material enters the gap on both sides of the downstream belt conveyor 2, and a cover plate 603 is installed on the top between the baffles 601 to prevent the blanking material from jumping up or falling into dust.

1 and 3: the length of the drum 501 is 75% to 85% of the width of the downstream belt conveyor 2, the diameter of the drum 501 is 200 to 400 mm, and the center of the drum 501 is located between the upstream belt conveyor 1 and the downstream belt conveyor 2. At the center of the roller 501, and the top of the roller 501 is located at a position 400-500 mm outside the blanking point of the upstream belt conveyor 1, so that the blanking just falls at the position of the roller 501; and the screed piles 502 are all cuboid structures, the length of the screed pile 502 is 20% to 25% of the height difference between the upstream belt conveyor 1 and the downstream belt conveyor 2, and the width of the screed pile 502 is 100 to 150mm. The adjacent two groups of screed piles 502 are staggered at 60°, and the gap between two adjacent screed piles 502 is 140-190 mm, so that the blanking material is fully dispersed and mixed.

In FIGS. 1 and 2 : the baffle 601 is made of steel plate, and the top of the baffle 601 is 50-200 mm higher than the top of the upstream belt conveyor 1, and the width of the baffle 601 is 150% to 200 mm of the length of the screed pile 502 %; the length of the rubber strip 602 is equal to the width of the bottom of the baffle 601, and the height of the rubber strip 602 is 50-100 mm, and the lower edge of one side of the rubber strip 602 is flush with the top of the downstream belt conveyor 2; the cover plate 603 is "﹁" type structure, and the lower end of the cover plate 603 is located above the downstream belt conveyor 2, the length of the cover plate 603 is equal to the distance between the two baffle plates 601, and the width of the cover plate 603 is equal to the top of the baffle plate 601. width.

The working principle of the utility model is:

Example 1: On two belt conveyors with a bandwidth of 600 mm, the support frame 3 is set 400 mm outside the blanking point of the upstream belt conveyor 1, and a baffle 601 and a roller 501 in the shape of a plum blossom are arranged above the support frame 3. The length of the roller 501 is 450mm, 200mm in diameter, set along the horizontal direction. When the sintered material falls from the blanking point of the upstream belt conveyor 1, it hits the screed pile 502 of the drum 501, so that the drum 501 rotates smoothly through the bearing seat 503. The screed pile 502 is a cuboid structure with a width of 100mm. The gap between the piles 502 is 140mm. The material falls again onto the screed piles 502 on the next layer, and rotates the drum 501 by its own weight. After using the device, the mixing uniformity of the sintered material can be effectively improved, the quality of the sintered ore can be improved, and the blast furnace can run smoothly.

Embodiment 2: On two belt conveyors with a bandwidth of 800 mm, the support frame 3 is set 450 mm outside the blanking point of the upstream belt conveyor 1, and a baffle 601 and a roller 501 in the shape of a plum blossom are arranged above the support frame 3. The length of the roller 501 is 640mm, 300mm in diameter, set along the horizontal direction. When the sintered material falls from the blanking point of the upstream belt conveyor 1, it hits the screed pile 502 of the drum 501 to make the drum 501 rotate smoothly through the bearing seat 503. The screed pile 502 is a cuboid structure with a width of 125mm. The gap between the piles 502 is 165mm. The material falls again onto the screed piles 502 on the next layer, and rotates the drum 501 by its own weight. After using the device, the mixing uniformity of the sintered material can be effectively improved, the quality of the sintered ore can be improved, and the blast furnace can run smoothly.

Embodiment 3: On two belt conveyors with a bandwidth of 1000mm, the support frame 3 is set 500mm outside the blanking point of the upstream belt conveyor 1, and a baffle 601 and a roller 501 in the shape of a plum blossom are arranged above the support frame 3. The length of the roller 501 is 850mm, 400mm in diameter, set along the horizontal direction. When the sintered material falls from the blanking point of the upstream belt conveyor 1, it hits the screed pile 502 of the drum 501 to make the drum 501 rotate smoothly through the bearing seat 503. The screed pile 502 is a cuboid structure with a width of 150mm. The gap between the piles 502 is 190mm. The material falls again onto the screed piles 502 on the next layer, and rotates the drum 501 by its own weight. After using the device, the mixing uniformity of the sintered material can be effectively improved, the quality of the sintered ore can be improved, and the blast furnace can run smoothly.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (6)

1. A device for improving the mixing uniformity of sintering materials comprises an upstream belt conveyor (1), a downstream belt conveyor (2) and a support frame (3), and is characterized in that the downstream belt conveyor (2) is arranged below one end of the upstream belt conveyor (1), the upstream belt conveyor (1) and the downstream belt conveyor (2) are horizontally arranged in the support frame (3), a cross arm (4) is fixed at the bottom of the support frame (3) between the upstream belt conveyor (1) and the downstream belt conveyor (2), a stirring assembly (5) is installed on one side of the middle part of the cross arm (4), the stirring assembly (5) comprises a roller (501), a plurality of groups of refining piles (502) and a bearing seat (503), a plurality of groups of refining piles (502) are fixed on the outer side wall of the roller (501) at equal intervals, and one end of the roller (501) is rotatably connected with the cross arm (4) through the bearing seat (503), keep off material subassembly (6) are installed at support frame (3) top between upstream belt feeder (1) and low reaches belt feeder (2), and keep off material subassembly (6) including baffle (601), rubber strip (602) and apron (603), support frame (3) top between upstream belt feeder (1) and low reaches belt feeder (2) is fixed in baffle (601), and all pastes on the lateral wall of baffle (601) bottom and have rubber strip (602), and apron (603) are installed at top between baffle (601).

2. The device for improving the mixing uniformity of the sintering materials according to claim 1, wherein the length of the roller (501) is 75% -85% of the width of the downstream belt conveyor (2), the diameter of the roller (501) is 200-400 mm, the center of the roller (501) is located at the central position between the upstream belt conveyor (1) and the downstream belt conveyor (2), and the top end of the roller (501) is located at the position 400-500 mm outside the blanking point of the upstream belt conveyor (1).

3. The device for improving the mixing uniformity of sintering materials according to claim 1, wherein each group of the refining piles (502) is four in equal angle distribution, the refining piles (502) are all in a cuboid structure, the length of each refining pile (502) is 20% -25% of the height difference between an upstream belt conveyor (1) and a downstream belt conveyor (2), the width of each refining pile (502) is 100-150 mm, two adjacent groups of refining piles (502) are distributed in a 60-degree staggered manner, and the gap between two adjacent refining piles (502) is 140-190 mm.

4. The device for improving the mixing uniformity of the sintering materials according to claim 1, wherein the baffle plate (601) is made of a steel plate, the top end of the baffle plate (601) is 50-200 mm higher than the top end of the upstream belt conveyor (1), and the width of the baffle plate (601) is 150-200% of the length of the refining pile (502).

5. The device for improving the mixing uniformity of the sintering materials according to claim 1, wherein the length of the rubber strip (602) is equal to the width of the bottom of the baffle (601), the height of the rubber strip (602) is 50-100 mm, and the lower edge of one side of the rubber strip (602) is flush with the top end of the downstream belt conveyor (2).

6. An apparatus for improving the mixing uniformity of sinter material as claimed in claim 1, wherein the cover plate (603) is in a structure of "long" and the lower end of the cover plate (603) is located above the downstream belt conveyor (2), the length of the cover plate (603) is equal to the spacing between two baffles (601), and the width of the cover plate (603) is equal to the width of the top of the baffles (601).

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