CN219850639U - Sundry screening device - Google Patents

Abstract

The utility model relates to the technical field of metallurgy, and discloses a sundry screening device which is used for separating iron and phosphorus sundries, and comprises the following components: the device comprises a sieve bed, a vibrating device connected with the sieve bed and a bracket for supporting the sieve bed, wherein the top of the sieve bed is provided with a feed inlet, the bottom of the sieve bed is provided with a discharge channel communicated with the feed inlet and the discharge outlet, a screen is arranged in the discharge channel, a part of the discharge channel between the screen and the feed inlet forms a sieve space, and the side surface of the sieve bed is provided with a waste outlet communicated with the sunning space; the screen comprises a plurality of screen bars which are arranged in parallel and uniformly spaced, and strip-shaped screen holes are formed between every two adjacent screen bars; the first side edge and the second side edge of the screen are arranged oppositely, the first side edge is higher than the second side edge, the screen is obliquely arranged, and the waste outlet is positioned at the second side edge of the screen; the vibrating device is connected with the sieve bed. In this debris screening device, the screen cloth is difficult for blockking up, and vibrating device drives the screen cloth shake, is favorable to the screen cloth to drop, guarantees that the screen cloth whereabouts is even.

Description

Sundry screening device

Technical Field

The utility model relates to the technical field of metallurgy, in particular to a sundry screening device.

Background

In the process of iron-making raw material ore blending production, in order to ensure the final grade of the mixed average material, a certain proportion of iron and phosphorus is required to be added for grade improvement. Iron phosphorus in iron works mainly comes from outsourcing iron phosphorus and rolling unit planing milling objects, in order to prevent sundries of iron phosphorus in a first material warehouse and huge ironware from entering an ore blending belt, sundries are required to be separated from iron phosphorus additives in a round bin of an iron phosphorus pool, so that the damage of the huge ironware to next process equipment is reduced, the blockage caused by the sundries is reduced, and accurate ore blending is facilitated. The traditional iron-phosphorus sundries separation method is that a horizontal reticular grid net is arranged at the discharging opening of a circular bin, so that materials discharged from the discharging opening can be filtered, and oversized ironware, sundries and the like are filtered.

However, the traditional grid is easy to block and deform, once the blocking or deformation can seriously affect the iron and phosphorus discharging unevenly, the iron-containing grade deviation of the mixed material is caused, and the quality of a smelting finished product is caused, however, when the blocking is found, the process is performed manually after the shutdown, the labor intensity of manual cleaning is increased, the grid strip spacing is single, and the iron and phosphorus screening capability of different specifications is obviously reduced. Therefore, the traditional iron-phosphorus sundry separation method causes uneven batching in the raw material field, time delay and labor intensity increase, and restricts the improvement of good mixing performance of the batching in the raw material field.

Disclosure of Invention

The utility model aims to provide a sundry screening device, wherein a screen mesh is a strip-shaped screen mesh and is not easy to block, a vibrating device drives the screen mesh to shake, the screen mesh is beneficial to falling down, uniform falling of the screen mesh is ensured, good mixing performance of raw material field ingredients is improved, waste slides to one side of the screen mesh and is treated at a waste outlet, rolling out of the waste during cleaning is avoided, and safety is ensured.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a debris screening device for iron-phosphorus debris separation comprising:

the screening bed is provided with a feed inlet at the top and a discharge outlet at the bottom, and is provided with a blanking channel communicated with the feed inlet and the discharge outlet, a screen is arranged in the blanking channel, a part of the blanking channel between the screen and the feed inlet forms a screening space, and a waste outlet communicated with the screening space is arranged on the side surface of the screening bed; the screen comprises a plurality of screen bars which are arranged in parallel and uniformly spaced, and strip-shaped screen holes are formed between every two adjacent screen bars; an included angle of more than 0 degrees and less than 90 degrees is formed between the top surface of the screen and the blanking direction of the blanking channel, the first side edge and the second side edge of the screen are arranged oppositely, the distance between the first side edge and the feeding hole is smaller than the distance between the second side edge and the feeding hole, and the waste outlet is positioned on one side, far away from the first side edge, of the second side edge of the screen;

the vibrating device is connected with the sieve bed and is used for driving the sieve bed to vibrate;

the support is connected with the sieve bed and used for supporting the sieve bed.

Among the above-mentioned debris screening device, the screen cloth is bar sieve mesh, is difficult for blockking up, and vibrating device drives the screen cloth shake, is favorable to the sieve material to fall down, guarantees that the sieve material falls down evenly, is favorable to guaranteeing the improvement of the good mixing performance of former stock ground batching, and the waste material landing is in the waste outlet and is handled to one side of screen cloth, and the waste material rolls out when avoiding the clearance, guarantees the security.

Optionally, the sieve bed further comprises two side baffles respectively arranged at two opposite sides of the sieve screen, and the arrangement direction of the two side baffles is perpendicular to the arrangement direction of the first side edge and the second side edge of the sieve screen; a first cross beam and a second cross beam for installing the screen are arranged between the two side baffles, wherein the first end of each screen bar is positioned on the first side of the screen, the second end of each screen bar is positioned on the second side of the screen, the first end of each screen bar is connected with the first cross beam, and the second end of each screen bar is connected with the second cross beam.

Optionally, the first end of the screen bar is detachably connected with the first cross beam, the second end of the screen bar is detachably connected with the second cross beam, and the distance between every two adjacent screen bars is adjustably installed on the first cross beam and the second cross beam along the extending direction of the axial lead of the first cross beam.

Optionally, the first end of the screen bar is connected with the first cross beam through a first sleeve, the first end of the screen bar stretches into the first sleeve, and the first sleeve is fixed with the first cross beam; the second end of the screen bar is connected with the second cross beam through a second sleeve, the second end of the screen bar stretches into the second sleeve, and the second sleeve is fixed with the second cross beam.

Optionally, one side of the screen mesh facing away from the screening space is provided with at least one supporting rod, two ends of the supporting rod are respectively rotatably connected with the two side baffles, and the supporting rod is used for supporting each screen bar.

Optionally, a first gap is provided between the inner bore of the first sleeve and the end of the first end of the screen band, and a second gap is provided between the inner bore of the second sleeve and the end of the second end of the screen band; the support bar includes a rectangular bar.

Optionally, a cross plate is connected between the two side baffles, the cross plate is located on the top side of the side baffles and opposite to the second side of the screen, and the waste outlet is formed between the cross plate and the second side of the screen; the vibrating device is arranged on the transverse plate, and the vibrating device is detachably connected with the transverse plate.

Optionally, the transverse plate is provided with a guide rail extending along the arrangement direction of the screen bars and a sliding block slidably mounted on the guide rail along the extension direction of the guide rail, the sliding block is used for fixedly connecting the transverse plate, and the vibration device is mounted on the sliding block.

Optionally, an elastic plate is connected to the outer side of one of the two side baffles, which faces away from the screening space, and the screening bed is connected to the bracket through the elastic plate.

Optionally, a receiving hopper is arranged at the waste outlet of the sieve bed, and an inlet of the receiving hopper is connected with the waste outlet; or alternatively, the process may be performed,

a baffle is arranged at the waste outlet of the sieve bed and is used for blocking the waste outlet; or alternatively, the process may be performed,

and a waste conveying channel is connected to the waste outlet of the sieve bed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:

fig. 1 is a schematic structural diagram of a sundry screening device according to an embodiment of the present utility model.

Icon: 1-a feed inlet; 2-a discharge hole; 3-screen bars; 4-a waste outlet; 5-side baffles; 6-a first cross beam; 7-supporting rods; 8-a transverse plate; 9-a guide rail; 10-sliding blocks; 11-elastic plate.

Detailed Description

The utility model will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the utility model and not limitation of the utility model. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present utility model without departing from the scope or spirit of the utility model. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present utility model encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.

In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled," "connected," and "configured" as used herein are to be construed broadly and may be, for example, fixedly connected or detachably connected; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1, the utility model provides a sundry screening device for separating iron and phosphorus sundries, wherein in the process of preparing iron and phosphorus for iron-making raw materials, a certain proportion of iron and phosphorus is added into the iron-making raw materials for taste improvement, generally the iron-making raw materials are conveyed on a conveying belt, the sundry screening device is arranged above the conveying belt, the iron and phosphorus raw materials in an iron and phosphorus bin are screened, the iron and phosphorus ingredients falling onto the belt in the sundry screening device are filtered out as waste materials in the sundry screening device. Wherein, for the convenience of explanation, the blanking direction that iron phosphorus raw materials whereabouts when sieving the material in the debris screening device is vertical direction. Specifically, the sundry screening device in this embodiment includes: the vibrating device is arranged on the sieve bed and used for driving the sieve bed to vibrate. Specifically, for the arrangement of the sieve bed, the sieve bed is used for being positioned above the conveying belt and below the feed opening of the iron-phosphorus bin. Preferably, the top of the sieve bed is provided with a feed inlet 1, the feed inlet 1 is opposite to a feed opening of the iron phosphorus bin and can receive iron phosphorus raw materials from the feed opening in the iron phosphorus bin, the bottom of the sieve bed is provided with a discharge opening 2, the sieve bed is provided with a blanking channel communicated with the feed inlet 1 and the discharge opening 2, a screen is arranged in the blanking channel, the screen can completely cover the feed inlet 1 of blanking, a part of the blanking channel between the screen and the feed inlet 1 forms a screening space, and the side surface of the sieve bed is provided with a waste outlet 4 communicated with the screening space; the screen comprises a plurality of screen bars 3 which are arranged in parallel and uniformly spaced, wherein each screen bar has a cylindrical structure, and strip-shaped screen holes are formed between every two adjacent screen bars 3; and be more than 0 and be less than 90 contained angles between the blanking direction of screen cloth and the blanking passageway, preferably, contained angle between the blanking direction of top surface and blanking passageway of screen cloth is between 10 to 40, and the example, contained angle between the blanking direction of top surface and blanking passageway of screen cloth can be set up to 10 °, 20 °, 30 °, or 40, the relative setting of first side and the second side of screen cloth, distance between first side and feed inlet 1 is less than the distance between second side and the feed inlet 1, waste outlet 4 is located the second side of screen cloth and keeps away from the one side of first side, the screen cloth is the slope form, and non-level setting, the first side of screen cloth is higher than the second side of screen cloth, then the iron phosphorus raw materials that feed inlet 1 accepted gets into the screen cloth and filters the iron phosphorus raw materials, qualified iron phosphorus batching just can fall down at the sieve mesh of screen cloth, on the conveyor belt, the waste material that filters just can slide down along the slope direction of screen cloth, gather to waste outlet 4 department and block up and handle, prevent that new iron and evenly shaking the screen cloth from also being favorable to the sieve that the vibration of the iron-making raw materials from falling down, the sieve cloth is favorable to the vibration sieve 4, even, the vibration sieve that can be better to prevent the phosphorus from evenly to the vibration to the raw materials, the vibration to fall down, the sieve is favorable to the sieve to the vibration to the raw materials, the sieve.

Therefore, in the sundry screening device, the screen mesh is a strip-shaped screen mesh and is not easy to block, the vibration device drives the screen mesh to shake, the screen mesh is beneficial to falling down, the screen mesh is guaranteed to fall down uniformly, the improvement of good mixing performance of raw material field ingredients is beneficial to being guaranteed, and waste materials slide to one side edge of the screen mesh to be treated at a waste material outlet, so that the waste materials roll out during cleaning is avoided, and the safety is guaranteed.

Specifically, as shown in fig. 1, the sieve bed further includes two side baffles 5 respectively disposed at opposite sides of the sieve, and the arrangement direction of the two side baffles 5 is perpendicular to the arrangement direction of the first side and the second side of the sieve; a first cross member 6 and a second cross member for mounting the screen are arranged between the two side guards 5, wherein each screen bar 3 has opposite first and second ends, the first end of each screen bar 3 being located on the first side of the screen, the second end of each screen bar 3 being located on the second side of the screen, the first end of each screen bar 3 being connected to the first cross member 6, the second end of each screen bar 3 being connected to the second cross member. Preferably, the first cross member 6 may be attached to the top side of the end of the two side guards 5 and the second cross member attached to the bottom side of the two side guards 5 such that the screen mesh is inclined when it is overlapped on the first and second cross members 6 and 5.

Preferably, the first ends of the screen bars 3 are detachably connected with the first cross beam 6, the second ends of the screen bars 3 are detachably connected with the second cross beam (not shown in the figure), and the interval between every two adjacent screen bars 3 is adjustably arranged on the first cross beam 6 and the second cross beam along the extending direction of the axial lead of the first cross beam 6. The interval between every two adjacent screen bars 3 is adjustable, then the width of every bar sieve mesh can be adjusted, then the bar sieve mesh of suitable width can be adjusted, adapt to different iron phosphorus batching and select, convenient to use.

Further, the first end of the screen bar 3 is connected with the first cross beam 6 through a first sleeve, the first end of the screen bar 3 stretches into the first sleeve, the first sleeve is fixed with the first cross beam 6, and the first sleeve is detachably connected with the first cross beam 6; the second end of the screen bar 3 is connected with the second cross beam through a second sleeve, the second end of the screen bar 3 stretches into the second sleeve, the second sleeve is fixed with the second cross beam, and the second sleeve is detachably connected with the second cross beam. The tip of the screen rod is through inserting intraductal and the sleeve pipe connection, can directly dismantle the sleeve pipe of one end when changing the screen rod, then pull out the screen rod from the sleeve pipe, change for the screen rod installation, dismantlement are convenient, save maintenance time. For the same screen bar, the first sleeve and the first cross beam can be detached, the screen bar is pulled out from the position between the first sleeve and the second sleeve, a new screen bar is replaced and inserted between the first sleeve and the second sleeve, and then the first sleeve is fixedly connected with the first cross beam again, so that the replacement of the screen bar can be completed rapidly.

Wherein, as shown in fig. 1, in order to guarantee the supportability at screen cloth middle part, avoid the middle part deformation of sinking, can be provided with at least one bracing piece 7 in one side that the screen cloth deviates from the sieve material space, along the extending direction of screen rod 3, bracing piece 7 is located between the both ends of screen rod 3, be located the middle part of screen cloth, and the both ends of bracing piece 7 rotate with two side shield 5 respectively and be connected, bracing piece 7 is used for supporting each screen rod 3 for the middle part of screen rod 3 obtains the support, be difficult for warp, be favorable to guaranteeing the homogeneity of sieve mesh, improve iron phosphorus batching whereabouts homogeneity.

Specifically, referring to fig. 1, a first gap is provided between the inner bore of the first sleeve and the end of the first end of the screen band 3, and a second gap is provided between the inner bore of the second sleeve and the end of the second end of the screen band 3; the bracing piece 7 is rectangle pole or section be oval pole structure, the both ends of bracing piece 7 are cylindric and all rotate with the baffle of both sides and be connected, bracing piece 7 can rotate, because the middle section position of bracing piece 7 is inhomogeneous cylindric structure, be rectangle or oval pole structure, at bracing piece 7 pivoted in-process, bracing piece 7 top is tight to the degree of screen rod 3 different, because be non-zero clearance between the first pipe box at screen rod 3 and both ends and the second pipe box, under the condition of not tight between bracing piece 7 and the screen rod 3, screen rod 3 is not hard up, can carry out simple shake clearance maintenance to screen rod 3 through the shale shaker bed, when the during operation, can rotate bracing piece 7, make top tight between bracing piece 7 and the screen rod 3 for screen rod 3 is fixed, carry out the screen stock.

Preferably, a transverse plate 8 is connected between the two side baffles 5, the transverse plate 8 is positioned on the top side of the side baffles 5 and opposite to the second side edge of the screen mesh, and can be positioned above the second side edge of the screen mesh, and a waste outlet 4 is formed between the transverse plate 8 and the second side edge of the screen mesh; the vibrating device is arranged on the transverse plate 8, and the vibrating device is detachably connected with the transverse plate 8. The vibration device is arranged at one side of the screen, is convenient to install, and can drive the screen to shake well.

Specifically, as shown in fig. 1, the cross plate 8 is provided with a guide rail 9 extending in the arrangement direction of the screen bars 3, and a slider 10 slidably mounted to the guide rail 9 in the extension direction of the guide rail 9, the slider 10 being fixedly connected to the cross plate 8, and the vibrating device being mounted to the slider 10. The sliding block 10 can slide on the guide rail 9, when the position of the vibration device is replaced, the sliding block 10 can slide along the guide rail 9, so that the replacement of the vibration device is quick and convenient, and the sliding block 10 is matched with the guide rail 9, so that the positioning of the position of the vibration device can be simpler and more convenient, and the replacement time of the vibration device is saved.

More specifically, as shown in fig. 1, in order to make the vibration effect of the sieve bed better, the elastic plate 1 is connected to the outside that one side baffle 5 of the two side baffles 5 deviates from the sieve material space, and the sieve bed passes through the elastic plate 1 and is connected with the support, avoids the sieve bed vibration to cause rigid damage to the support, causes structural damage or part looseness, and elastic connection between the sieve bed and the support can guarantee that the sieve bed vibration effect is better.

In one possible embodiment, the waste outlet of the sieve bed is provided with a receiving hopper, the inlet of the receiving hopper is connected with the waste outlet, and waste can enter the receiving hopper from the waste outlet and can be cleaned after being concentrated to a certain amount, so that the shutdown times are reduced.

Or, be provided with the baffle in the waste outlet department of sieve bed, the baffle is used for shutoff waste outlet for the waste pile up in waste outlet department, regularly clear up the waste material in the sieve bed.

Or still, connect the waste material conveying passageway in the waste material exit at the sieve bed for the waste material is cleared up along the waste material delivery passageway landing to the position of keeping away from the belt, then can realize the screen cloth of incessant, improves work efficiency.

The above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A debris screening device for iron-phosphorus debris separation, characterized in that includes:

the screening bed is provided with a feed inlet at the top and a discharge outlet at the bottom, and is provided with a blanking channel communicated with the feed inlet and the discharge outlet, a screen is arranged in the blanking channel, a part of the blanking channel between the screen and the feed inlet forms a screening space, and a waste outlet communicated with the screening space is arranged on the side surface of the screening bed; the screen comprises a plurality of screen bars which are arranged in parallel and uniformly spaced, and strip-shaped screen holes are formed between every two adjacent screen bars; an included angle of more than 0 degrees and less than 90 degrees is formed between the top surface of the screen and the blanking direction of the blanking channel, the first side edge and the second side edge of the screen are arranged oppositely, the distance between the first side edge and the feeding hole is smaller than the distance between the second side edge and the feeding hole, and the waste outlet is positioned on one side, far away from the first side edge, of the second side edge of the screen;

the vibrating device is connected with the sieve bed and is used for driving the sieve bed to vibrate;

the bracket is connected with the sieve bed and is used for supporting the sieve bed;

the sieve bed also comprises two side baffles which are respectively arranged at two opposite sides of the sieve screen, and the arrangement direction of the two side baffles is perpendicular to the arrangement direction of the first side edge and the second side edge of the sieve screen; a first cross beam and a second cross beam for installing the screen are arranged between the two side baffles, wherein the first end of each screen bar is positioned on the first side of the screen, the second end of each screen bar is positioned on the second side of the screen, the first end of each screen bar is connected with the first cross beam, and the second end of each screen bar is connected with the second cross beam;

the first ends of the screen bars are detachably connected with the first cross beam, the second ends of the screen bars are detachably connected with the second cross beam, and the interval between every two adjacent screen bars is adjustably arranged on the first cross beam and the second cross beam along the extending direction of the axial lead of the first cross beam;

the first end of the screen bar is connected with the first cross beam through a first sleeve, the first end of the screen bar stretches into the first sleeve, and the first sleeve is fixed with the first cross beam; the second end of the screen bar is connected with the second cross beam through a second sleeve, the second end of the screen bar stretches into the second sleeve, and the second sleeve is fixed with the second cross beam;

one side of the screen mesh, which is away from the screen material space, is provided with at least one supporting rod, two ends of the supporting rod are respectively and rotatably connected with the two side baffles, and the supporting rod is used for supporting each screen bar.

2. The debris screening apparatus of claim 1, wherein a first gap is provided between the inner bore of the first sleeve and the end of the first end of the screen bar and a second gap is provided between the inner bore of the second sleeve and the end of the second end of the screen bar; the support bar includes a rectangular bar.

3. The debris screening apparatus of claim 1, wherein a cross plate is connected between the two side guards, the cross plate being located on a top side of the side guards opposite the second side of the screen, the cross plate and the second side of the screen forming the debris outlet therebetween; the vibrating device is arranged on the transverse plate, and the vibrating device is detachably connected with the transverse plate.

4. A sundry screening apparatus according to claim 3, wherein the cross plate is provided with a guide rail extending in the arrangement direction of the screen bars, and a slider slidably mounted to the guide rail in the extension direction of the guide rail, the slider being for fixed connection of the cross plate, and the vibrating device being mounted to the slider.

5. The debris screening apparatus of claim 1, wherein an elastic plate is connected to an outer side of one of the side guards facing away from the screening space, and the screening bed is connected to the bracket by the elastic plate.

6. The debris screening apparatus of claim 1, wherein a receiving hopper is provided at a waste outlet of the screening bed, an inlet of the receiving hopper being connected to the waste outlet; or alternatively, the process may be performed,

a baffle is arranged at the waste outlet of the sieve bed and is used for blocking the waste outlet; or alternatively, the process may be performed,

and a waste conveying channel is connected to the waste outlet of the sieve bed.