Roasting material screening device for rotary kiln

Abstract

The utility model discloses a roasting material screening device for a rotary kiln, which belongs to the technical field of comprehensive utilization of red mud and comprises a shockproof base, a supporting column is fixedly mounted on one side above the shockproof base, a dustproof shell is rotatably connected to the top of the supporting column through a rotating shaft, and a hydraulic supporting column is rotatably connected to the other side above the shockproof base. The telescopic end of the hydraulic supporting column is rotationally connected with the dustproof shell, and a feeding groove is formed in the position, close to the outer side of the supporting column, of the upper portion of the shockproof base through a support. According to the utility model, the blanking guide groove and the sealing plate are mounted according to the requirements of hole purposes by utilizing the wedged sliding among the first sliding block, the second sliding block and the sliding groove, the first sliding block and the second sliding block of the blanking guide groove and the sealing plate can be aligned with the sliding groove, then the blanking guide groove and the sealing plate are pushed in, and at the moment, the blanking guide groove and the sealing plate are moved to corresponding positions for locking; by means of the design, when the device is used, the screening precision and the discharging opening can be adjusted according to requirements, and the flexibility is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the comprehensive utilization technical field of red mud, and specifically relates to a screening device for rotary kiln roasting materials. BACKGROUND

[0002] Red mud is also called red mud, which is an industrial solid waste discharged after extracting alumina from bauxite, generally contains a large amount of iron oxide, and looks like red soil, so it is named. Red mud is an insoluble residue. With the development of the aluminum industry and the decrease of bauxite grade, the amount of red mud will increase, and red mud is an alkaline substance. With the rain, the alkali in the red mud may be dissolved and pollute the surface water and groundwater.

[0003] In the treatment of red mud, the highest recovery efficiency and the most convenient method is dry treatment. After filter pressing, the red mud is dried and screened, and then mixed with additives such as reducing coal for high-temperature roasting. Then, the high-grade iron is obtained through grinding and magnetic separation.

[0004] When screening the red mud, a screening machine is generally used. Through research, it is found that one article with the application number CN202222781213.5 discloses a red mud sintered brick raw material screening mechanism. In the utility model, the sliding block slides in the sliding groove to make the limiting block separate from the limiting groove, and the clamping block slides in the movable groove under the deformation force of the connecting cylinder. The clamping block separates from the clamping groove. The installation plate is pulled down through the connecting plate to remove the accumulated large particle raw materials on the bottom side of the sieve barrel. Conversely, the installation plate is fixed and installed through the connecting plate to facilitate the discharge of large particle raw materials after screening. However, the following shortcomings exist:

[0005] Due to the large storage amount of red mud, efficient and stable screening is required. The red mud contains particle stones, which may block the screen holes and reduce the efficiency. In addition, the screen plate may be damaged after long-time operation. The existing screen is designed in an integral block, which is inconvenient to replace. Therefore, improvement is needed. In addition, the discharging assembly can be adjusted according to the diameter of the screened particles to increase flexibility. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the above problems and provides a screening device for rotary kiln roasting materials.

[0007] The utility model adopts the following technical scheme: a screening device for rotary kiln roasting materials, which comprises a shockproof base, a support column is fixedly installed on one side of the top of the shockproof base, a dustproof shell is rotationally connected to the top of the support column through a rotating shaft, a hydraulic support column is rotationally connected to the other side of the top of the shockproof base, the hydraulic support column is rotationally connected between the telescopic end and the dustproof shell, and a feeding chute is installed on the outer side of the support column on the top of the shockproof base through a support.

[0008] The upper maintenance cover is arranged on the side of the dustproof shell, the lower maintenance opening is arranged on the bottom of the dustproof shell, and the sliding grooves are integrally arranged on the two sides of the lower maintenance opening.

[0009] The screening assembly comprises a driving motor, a first transmission shaft, a material beating belt, a second transmission shaft, a vertical rod, a mounting seat and a first screen.

[0010] The second transmission shaft is rotatably connected to the inside of the dustproof shell through a support, the vertical rod is arranged on the surface of the second transmission shaft, the mounting seat is integrally arranged on the end of the vertical rod, the first screen is arranged on the surface of the mounting seat through a screw column, the number of the mounting seats is several, the screw column is arranged above the mounting seat, the connecting holes are arranged at the four corners of the first screen, and the screw column and the connecting holes are connected through a nut.

[0011] The first transmission shaft is rotatably connected to the inside of the dustproof shell above the second transmission shaft through a support, the material beating belt is tightly arranged on the surface of the first transmission shaft, the driving motor is arranged on the side of the outer wall of the dustproof shell, the number of the driving motors is two, and the output shafts of the two driving motors are respectively in transmission connection with the first transmission shaft and the second transmission shaft.

[0012] The discharging guide groove and the sealing plate are movably connected to the two sides of the lower maintenance opening through the sliding grooves, the first sliding blocks are connected to the two sides of the discharging guide groove through spring seats, the vibration motors are symmetrically arranged on the two sides of the outer wall of the discharging guide groove, the guide plates and the second screens are sequentially arranged in the discharging guide groove, and the second sliding blocks are connected to the two sides of the sealing plate.

[0013] The second screen extends out of the discharging guide groove, the screw conveyor is arranged above the shockproof base through a support, and the feeding ports of the screw conveyors correspond to the discharging guide groove and the second screen.

[0014] The first sliding blocks and the second sliding blocks slide in the sliding grooves, and the first sliding blocks and the second sliding blocks are locked in the sliding grooves through bolts.

[0015] The number of the material beating belts is several, the material beating belts are in beating contact with the first screens, the bottom of the feeding groove is arranged to be inclined, and the feeding groove extends into the dustproof shell.

[0016] As the above technical scheme is adopted, the present application has the following beneficial effects:

[0017] 1. In the present application, the first transmission shaft drives the material beating belt to rotate, the material beating belt is in contact with the first screen under the action of inertia, the first screen vibrates, the screen holes are prevented from being blocked, and the screening efficiency is improved.

[0018] 2. The utility model discloses, utilize the screw post who sets up above the mounting seat, the first screen mesh four corners are provided with connecting hole, and the screw post is connected through the nut between the connecting hole, installs the first screen mesh of different specifications, from the dustproof shell inlet, from the fine mesh to the coarse mesh in proper order installs a week, constitutes the cylinder screen, increases the flexibility of device use.

[0019] 3. The utility model discloses, utilize the first sliding block, the second sliding block and the sliding slot between the fitting sliding, according to the demand of the aperture, installs the blanking guide groove and the closing plate, can with the second sliding block of blanking guide groove and the closing plate's first sliding block, align the sliding slot, then push blanking guide groove and the closing plate, at this moment, remove the corresponding position and lock, this design can make the device when using, can adjust the accuracy of screening and the discharge port according to the demand, and the flexibility is higher. DRAWINGS

[0020] Figure 1 It is the side cross section structure schematic diagram of the utility model;

[0021] Figure 2 It is the closing plate installation front surface structure schematic diagram in the utility model;

[0022] Figure 3 It is the blanking guide groove installation front surface structure schematic diagram in the utility model;

[0023] Figure 4 It is the first screen mesh part three-dimensional structure schematic diagram in the utility model.

[0024] Mark in drawing: 1, shockproof base; 101, support column; 102, hydraulic support column; 103, inlet chute; 2, dustproof shell; 201, drive motor; 202, upper maintenance cover; 203, lower maintenance opening; 2031, sliding slot; 3, first transmission shaft; 301, beat material belt; 4, second transmission shaft; 401, vertical rod; 402, mounting seat; 403, first screen mesh; 5, blanking guide groove; 501, first sliding block; 502, vibration motor; 503, guide plate; 504, second screen mesh; 6, closing plate; 601, second sliding block; 7, screw conveyor. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 scope of protection of the utility model.

[0026] In the utility model:

[0027] Refer toFigures 1-4 The utility model provides a kind of screening device for rotary kiln calcination material, including shock mount 1, support column 101 is fixedly installed on the side above shock mount 1, dustproof shell 2 is rotatably connected on the top of support column 101, hydraulic support column 102 is rotatably connected on the other side above shock mount 1, and the telescopic end of hydraulic support column 102 is rotatably connected between dustproof shell 2, inlet chute 103 is installed on the outside of support column 101 by support near shock mount 1 upper side;

[0028] Dustproof shell 2 side is installed with upper maintenance cover 202, dustproof shell 2 bottom opening is provided with lower maintenance opening 203, lower maintenance opening 203 both sides are integrally provided with sliding groove 2031, and screening assembly is arranged in dustproof shell 2;

[0029] Screening assembly includes: driving motor 201, first transmission shaft 3, material beating belt 301, second transmission shaft 4, vertical rod 401, mounting seat 402, first screen 403;

[0030] Second transmission shaft 4 is rotatably connected in dustproof shell 2 by support, vertical rod 401 is installed on the surface of second transmission shaft 4, mounting seat 402 is integrally arranged on the end of vertical rod 401, first screen 403 is installed on the surface of mounting seat 402 by screw column, the number of mounting seat 402 is several, screw column is provided on the top of mounting seat 402, connecting hole is provided in the four corners of first screen 403, and nut is connected between screw column and connecting hole, different specifications of first screen 403 are installed, from the fine mesh to the coarse mesh in the inlet of dustproof shell 2, and a week is installed in sequence, to form cylinder screen, increase the flexibility of device use;The output shaft of two driving motors 201 is respectively connected between first transmission shaft 3 and second transmission shaft 4, second transmission shaft 4 rotates, and then drives cylinder screen formed by first screen 403 to rotate, at this time, material is screened in rotating first screen 403, the number of material beating belt 301 is several, and material beating belt 301 is in contact with first screen 403, first transmission shaft 3 also drives material beating belt 301 to rotate, material beating belt 301 is in contact with first screen 403 under the action of inertia, so that first screen 403 is vibrated, to avoid that screen hole is blocked.

[0031] First transmission shaft 3 is rotatably connected in dustproof shell 2 by support and located above second transmission shaft 4, material beating belt 301 is tightly attached to the surface of first transmission shaft 3, and driving motor 201 is installed along the side of the outer wall of dustproof shell 2;

[0032] The lower access hole 203 is movably connected with the discharging guide chute 5 and the sealing plate 6 through the sliding groove 2031 on both sides, the first sliding block 501 is connected with the upper edge of the both sides of the discharging guide chute 5 through the spring seat, the vibration motor 502 is symmetrically installed on the outer wall of the both sides of the discharging guide chute 5, the flow guide plate 503 and the second screen 504 are sequentially installed inside the discharging guide chute 5, the second sliding block 601 is connected with the upper edge of the both sides of the sealing plate 6, the first sliding block 501 and the second sliding block 601 slide between the sliding groove 2031, and the first sliding block 501 and the second sliding block 601 are locked between the sliding groove 2031 through bolts, according to the requirements of the hole, the first sliding block 501 and the second sliding block 601 of the discharging guide chute 5 and the sealing plate 6 are aligned with the sliding groove 2031, and then the discharging guide chute 5 and the sealing plate 6 are pushed in, at this time, the corresponding position is moved and locked, the design can adjust the screening precision and the discharge port according to the requirements when the device is used, and the flexibility is higher.

[0033] Further, the second screen 504 extends out of the discharging guide chute 5, the spiral conveyor 7 is installed above the shockproof base 1 through the support, and the feeding port of the spiral conveyor 7 corresponds to the discharging guide chute 5 and the second screen 504 respectively, the material falling into the discharging guide chute 5 can vibrate under the action of the vibration motor 502, at this time, the material can be finely screened through the flow guide plate 503 and the second screen 504, the screening quality is improved, and the screened material is conveyed to the next process through the spiral conveyor 7.

[0034] Further, the bottom of the feeding chute 103 is inclined and extends into the dustproof shell 2, the material polished by the ball mill is introduced into the feeding chute 103, at this time, the material falls into the drum screen composed of the first screen 403 under the action of gravity, at this time, the driving motor 201 drives the first transmission shaft 3 and the second transmission shaft 4 to rotate, and then drives the drum screen composed of the first screen 403 to rotate, at this time, the material is screened in the rotating first screen 403, from fine to coarse, and falls into the corresponding discharging guide chute 5 in sequence.

[0035] Further, the control panel is installed above the shockproof base 1, the driving motor 201, the vibration motor 502 and the spiral conveyor 7 are electrically connected with the external power supply through the control panel, and the hydraulic supporting column 102 is connected with the external hydraulic pump station.

[0036] Working principle: first, according to different requirements, install different specifications of the first screen 403, from the dustproof shell 2 inlet, by the pore size to the coarse pore size in turn install a week, constitute the cylinder screen, at the same time, according to the requirement of the pore size, install the discharge guide groove 5 and the sealing plate 6, can the first slider 501 and the second slider 601 of the discharge guide groove 5 and the sealing plate 6 are aligned with the slide groove 2031, then push the discharge guide groove 5 and the sealing plate 6 into, at this time, move to the corresponding position for locking, this design can make the device when using, can adjust the accuracy of screening and discharge port according to the demand, the flexibility is higher, then the material polished by the ball mill is put into the inlet slot 103, at this time, the material is affected by gravity, falls into the cylinder screen composed of the first screen 403, at this time, the driving motor 201 drives the first transmission shaft 3, the second transmission shaft 4 rotates, and then drives the cylinder screen composed of the first screen 403 to rotate, at this time, the material is screened in the rotating first screen 403, from fine to coarse, falls into the corresponding discharge guide groove 5, at the same time, the first transmission shaft 3 also drives the beating material belt 301 to rotate, the beating material belt 301 is in contact with the first screen 403 under the action of inertia, so that the first screen 403 is vibrated, avoids the screen hole being blocked, improves the efficiency of screening, at the same time, the progress and fineness of the micro course control screening can be adjusted, the length of the hydraulic support column 102 can be adjusted, the dustproof shell 2 rotates around the support column 101 when the hydraulic support column 102 is telescopic, and then the inclination of the dustproof shell 2 can be adjusted, finally, the material falling into the discharge guide groove 5 is vibrated under the action of the vibration motor 502, the discharge guide groove 5 can be vibrated, at this time, the material can be finely screened through the flow guide plate 503 and the second screen 504, the quality of screening is improved, and the screened material is conveyed to the next process by the screw conveyor 7.

[0037] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A screening device for calcined material from a rotary kiln, comprising an anti-vibration base (1), characterized in that: The shockproof base (1) is fixedly installed with a supporting column (101) on one side thereof, and a dustproof shell (2) is rotatably connected to the top of the supporting column (101); a hydraulic supporting column (102) is rotatably connected to the other side of the shockproof base (1), and the hydraulic supporting column (102) is rotatably connected between the extension end thereof and the dustproof shell (2); and a feeding chute (103) is installed on the outer side of the supporting column (101) on the shockproof base (1) through a support. An upper maintenance cover (202) is installed on the side of the dustproof shell (2), and a lower maintenance opening (203) is provided in the bottom of the dustproof shell (2); sliding grooves (2031) are integrally provided on the two sides of the lower maintenance opening (203); and a screening assembly is arranged in the dustproof shell (2). The screening assembly comprises a driving motor (201), a first transmission shaft (3), a material beating belt (301), a second transmission shaft (4), a vertical rod (401), a mounting seat (402) and a first screen (403). The second transmission shaft (4) is rotatably connected in the dustproof shell (2) through a support, the vertical rod (401) is installed on the surface of the second transmission shaft (4), the mounting seat (402) is integrally provided on the end of the vertical rod (401), and the first screen (403) is installed on the surface of the mounting seat (402) through a screw column. The first transmission shaft (3) is rotatably connected in the dustproof shell (2) above the second transmission shaft (4) through a support, the material beating belt (301) is tightly attached to the surface of the first transmission shaft (3), and the driving motor (201) is installed on the side of the outer wall of the dustproof shell (2). The discharge guide chute (5) and the sealing plate (6) are movably connected on the two sides of the lower maintenance opening (203) through the sliding grooves (2031), the first sliding blocks (501) are connected to the upper sides of the two sides of the discharge guide chute (5) through spring seats, the vibration motors (502) are symmetrically installed on the two sides of the outer wall of the discharge guide chute (5), the guide plates (503) and the second screens (504) are sequentially installed in the discharge guide chute (5), and the second sliding blocks (601) are connected to the upper sides of the two sides of the sealing plate (6).

2. A screening device for a rotary kiln calcination according to claim 1, characterized in that: The second screen (504) extends out of the discharge guide chute (5), the screw conveyor (7) is installed on the shockproof base (1) through a support, and the feeding ports of the screw conveyor (7) correspond to the discharge guide chute (5) and the second screen (504) respectively.

3. A screening device for a rotary kiln calcination according to claim 1, characterized in that: The number of the driving motors (201) is two, and the output shafts of the two driving motors (201) are drivingly connected to the first transmission shaft (3) and the second transmission shaft (4) respectively.

4. A screening device for a rotary kiln calcination according to claim 1, characterized in that: The number of the mounting seats (402) is several, the screw columns are arranged above the mounting seats (402), the connecting holes are arranged at the four corners of the first screen (403), and the screw columns and the connecting holes are connected through nuts.

5. A screening device for a rotary kiln calcination according to claim 1, characterized in that: The first sliding blocks (501) and the second sliding blocks (601) slide in the sliding grooves (2031) in a fitting mode, and the first sliding blocks (501) and the second sliding blocks (601) are locked through bolts in the sliding grooves (2031).

6. A screening device for a rotary kiln calcination according to claim 1, characterized in that: The number of the material beating belts (301) is several, and the material beating belts (301) are in beating contact with the first screen (403).

7. A screening device for a rotary kiln calcination according to claim 1, characterized in that: The bottom of the feeding chute (103) is inclined and extends to the inside of the dustproof shell (2).

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