Slag stage treatment device

Abstract

The utility model discloses a furnace slag grading treatment device, which relates to the technical field of furnace slag treatment, and comprises a rack, a feeding box is fixedly arranged above the rack, a crushing roller is arranged in the feeding box, and the lower end of the feeding box is fixedly connected with a multi-stage screening box. A first screening plate, a second screening plate and a third screening plate are evenly and sequentially arranged in the multi-stage screening box from top to bottom, a discharging inclined plate is arranged on the right side face of the rack, a lifting screw device is vertically arranged on the front side face of the rack, and a screening plate replacing device is in transmission connection with the lifting screw device. According to the device, the first screening plate, the second screening plate and the third screening plate which are slidably connected are arranged on the multi-stage screening box, disassembly and assembly can be conveniently and rapidly conducted, shutdown is not needed in the disassembly and assembly process, and the multi-stage screening treatment efficiency is improved; and the first screening plate, the second screening plate and the third screening plate can be automatically replaced, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of furnace slag processing, and particularly relates to a furnace slag grading treatment device. BACKGROUND

[0002] Furnace slag is waste slag discharged after coal combustion of industrial and civil boilers and other equipment, mainly contains chemical components of furnace slag, mainly composed of silicon, aluminum, iron and calcium compounds, and contains a small amount of magnesium, titanium, potassium, copper, phosphorus and other compounds and trace amounts of cyanide. The furnace slag can be comprehensively utilized, for example, used for producing cast stone products, cement, slag bricks, slag wool and other thermal insulation materials. When the furnace slag is recycled, the furnace slag needs to be crushed and graded, and the coal-fired furnace slag of different particle sizes is classified.

[0003] The Chinese patent with the application number CN202221913879.5 discloses a coal-fired furnace slag crushing, screening and grading device, which has the technical scheme that a third screen is fixedly installed on the inner top of a filter bin, third discharge holes are arranged in an annular array on the outer side of the filter bin above the third screen, a second screen is fixedly installed on the inner side of the filter bin below the third screen, second discharge holes are arranged in an annular array on the outer side of the second screen above the second screen, a first screen is fixedly installed on the inner side of the filter bin below the second screen, and first discharge holes are arranged on the filter bin outside the first screen. The device solves the problem that the coal-fired furnace slag cannot be classified after screening, and improves the recycling efficiency of the furnace slag. However, the above-mentioned device has the problem of difficult filter screen maintenance and replacement. The replacement of one filter screen requires the whole device to stop, which affects the working efficiency of the device for grading treatment. UTILITY MODEL CONTENTS

[0004] To solve the problems in the background art, the utility model provides a furnace slag grading treatment device, which can maintain and replace the filter screen without stopping the device, and improves the working efficiency of the device for grading treatment.

[0005] To achieve the above-mentioned purposes, the specific technical scheme of the utility model is as follows:

[0006] A furnace slag grading treatment device, which comprises a rack, an upper feeding box fixedly installed on the rack, a crushing roller arranged in the upper feeding box, a multi-stage screening box fixedly connected to the lower end of the upper feeding box, a first screening plate, a second screening plate and a third screening plate arranged in the multi-stage screening box from top to bottom, a discharge inclined plate arranged on the right side of the rack and corresponding to the first screening plate, the second screening plate and the third screening plate, a lifting screw device vertically arranged on the front side of the rack, and a screen replacement device drivingly connected to the lifting screw device.

[0007] As a further setting of the above scheme, the multi-stage screening box comprises a multi-stage screening box body, a vibrating device is arranged on the left side of the multi-stage screening box body, screen plate installation inclined grooves are arranged on the front and back sides of the multi-stage screening box body, the screen plate installation inclined grooves are uniformly distributed and are arranged obliquely to the right and downward, guide installation tables are arranged at the outer ends of the screen plate installation inclined grooves, discharge ports corresponding to the screen plate installation inclined grooves are arranged on the right side of the multi-stage screening box body, the corresponding discharge ports are located above the right side of the screen plate installation inclined grooves, and a material collecting device is arranged at the lower end of the multi-stage screening box body.

[0008] As a further setting of the above scheme, the first screening plate comprises a mounting square frame, the mounting square frame is arranged obliquely to the right and downward, side sliding square columns are fixedly installed on the left and right sides of the mounting square frame, vertical rolling columns are uniformly and rotatably installed on the outer sides of the side sliding square columns, a screen mesh is installed in the mounting square frame, the mounting square frame is slidingly installed in the screen plate installation inclined groove through the side sliding square columns, and the rolling columns ensure smooth sliding and prevent jamming.

[0009] As a further setting of the above scheme, the screen plate replacing device comprises a lifting table, screw hole devices are arranged on the lifting table, the lifting table is drivingly connected to the lifting screw rod device through the screw hole devices, mounting brackets are arranged on the outer side of the lifting table, push rod devices are arranged on the mounting brackets, a positioning inclined table is arranged on the lifting table, a positioning inclined surface is arranged on the positioning inclined table, and the positioning inclined surface is parallel to the screen plate installation inclined groove.

[0010] As a further setting of the above scheme, the first screening plate, the second screening plate and the third screening plate are the same in structure, and the difference lies in that the screen meshes of the first screening plate, the second screening plate and the third screening plate are different, and the screen meshes are sequentially reduced.

[0011] The utility model has the advantages of the following beneficial effects:

[0012] 1. The first screening plate, the second screening plate and the third screening plate slidingly connected on the multi-stage screening box can be conveniently and quickly disassembled, the disassembly process does not need to stop, does not affect the screening process, and the multi-stage screening processing efficiency is improved.

[0013] 2. The screen plate replacing device is arranged, cooperates with the lifting screw rod device, can automatically replace the first screening plate, the second screening plate and the third screening plate, improves the disassembly speed, and improves the maintenance efficiency. DRAWINGS

[0014] Figure 1 It is the appearance schematic view of the utility model;

[0015] Figure 2 It is the cross section schematic view of the utility model;

[0016] Figure 3 It is the multi-stage screening box schematic view of the utility model;

[0017] Figure 4 is a screen plate replacement device schematic diagram of the utility model;

[0018] Figure 5 is a first screen plate schematic diagram of the utility model;

[0019] Figure 6 is a first screen plate side view of the utility model.

[0020] 1, rack;2, feeding box;3, crushing roller;4, multi-stage screening box;5, first screen plate;6, second screen plate;7, third screen plate;8, discharge inclined plate;9, screen plate replacement device;10, lifting screw device;401, multi-stage screening box body;402, vibrating device;403, screen plate installation inclined chute;4031, guide installation table;404, discharge port;405, material collecting device;501, installation square frame;502, side sliding square column;503, screen mesh;504, roller;901, lifting table;902, screw hole device;903, installation support;904, push rod device;905, positioning inclined table;9051, positioning inclined surface. DETAILED DESCRIPTION

[0021] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described below in combination with the drawings and embodiments. Figures 1-6 The present application will be described in detail below.

[0023] As shown in Figure 1 , Figure 2 A slag grading treatment device, a rack 1 is fixedly installed with a feeding box 2 above, the feeding box 2 is provided with a crushing roller 3 inside, the feeding box 2 is fixedly connected with a multi-stage screening box 4 at the lower end, the first screen plate 5, the second screen plate 6 and the third screen plate 7 are sequentially and uniformly arranged in the multi-stage screening box 4 from top to bottom, the first screen plate 5, the second screen plate 6 and the third screen plate 7 are the same in structure, and the difference lies in that the screen holes of the screen mesh 503 are different, and the screen holes are sequentially reduced, the rack right side is provided with a discharge inclined plate 8, the discharge inclined plate 8 is correspondingly arranged with the first screen plate 5, the second screen plate 6 and the third screen plate 7, the rack 1 front side is vertically provided with a lifting screw device 10, and the lifting screw device 10 is drivingly connected with a screen plate replacement device 9.

[0024] As Figure 2 , Figure 3 shown, the multi-stage screening box 4 includes a multi-stage screening box body 401, a vibration device 402 is arranged on the left side of the multi-stage screening box body 401, screen plate installation inclined grooves 403 are arranged on the front and rear sides of the multi-stage screening box body 401 and penetrate through, the screen plate installation inclined grooves 403 are uniformly distributed and are arranged obliquely to the right and downward, guide installation tables 4031 are arranged at the outer ends of the screen plate installation inclined grooves 403, discharge ports 404 corresponding to the screen plate installation inclined grooves 403 are arranged on the right side of the multi-stage screening box body 401, the corresponding discharge ports 404 are located above the right side of the screen plate installation inclined grooves 403, and a material collecting device 405 is arranged at the lower end of the multi-stage screening box body 401.

[0025] As Figure 5 , Figure 6 shown, the first screening plate 5 includes a mounting square frame 501, the mounting square frame 501 is arranged obliquely to the right and downward, side sliding square columns 502 are fixedly installed on the left and right sides of the mounting square frame 501, vertical rolling columns 504 are uniformly and rotatably installed on the outer sides of the side sliding square columns 502, a screen 504 is installed in the mounting square frame 501, the mounting square frame 501 is slidingly installed in the screen plate installation inclined groove 403 through the side sliding square column 502, and the rolling column 504 ensures smooth sliding and avoids being stuck.

[0026] As Figure 4 shown, the screen plate replacement device 9 includes a lifting table 901, screw hole devices 902 are arranged on the lifting table 901, the lifting table 901 is drivingly connected to the lifting screw rod device 10 through the screw hole devices 902, mounting brackets 903 are arranged on the outer side of the lifting table 901, push rod devices 904 are arranged on the mounting brackets 903, a positioning inclined table 905 is arranged on the lifting table 901, a positioning inclined surface 9051 is arranged on the positioning inclined table 905, and the positioning inclined surface 9051 is parallel to the screen plate installation inclined groove 403.

[0027] The working process of the utility model is as follows: powder enters the feeding box 2, falls onto the first screening plate 5 after being crushed by the crushing roller 3, the multi-stage screening box body 401 is vibrated by the vibration device 402, thereby driving the first screening plate 5, the second screening plate 6 and the third screening plate 7 to vibrate, the first screening plate 5 vibrates to screen the powder, the powder is discharged from the discharge port 404 to the right and downward after being screened, and the powder with large particles is discharged; the remaining powder passes through the second screening plate 6 and the third screening plate 7 in sequence, and finally is discharged from the material collecting device 405, and multi-stage screening is completed.

[0028] When the screen plate needs to be replaced, taking the first screen plate 5 as an example, the first screen plate 5 is placed on the positioning slope 9051, at this time the first screen plate 5 is parallel to the screen plate installation chute 403, the screen plate replacement device 9 is driven by the lifting screw rod device 10 to rise, the first screen plate 5 is lifted to the right side of the corresponding screen plate installation chute 403, the push rod device 904 is started to push the first screen plate 5 to move to the right, and the first screen plate 5 to be replaced is guided into the screen plate installation chute 403 under the guidance of the guide installation table 4031, the original first screen plate 5 in the screen plate installation chute 403 is pushed out to the left, and the automatic replacement of the screen plate is completed.

[0029] The basic principle and main features of the present application and the advantages of the present application are shown and described above, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0030] In addition, it should be understood that although the present application is described in the specification, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A slag grading treatment device, comprising a rack, a feeding box fixedly installed above the rack, and a crushing roller arranged in the feeding box, characterized in that, The upper end of the feeding box is fixedly connected with a multi-stage screening box, first, second and third screening plates are uniformly arranged in the multi-stage screening box from top to bottom, a discharge inclined plate is arranged on the right side of the rack and corresponds to the first, second and third screening plates, a lifting screw device is vertically arranged on the front side of the rack, and a screening plate replacement device is drivingly connected to the lifting screw device.

2. The slag classifying apparatus according to claim 1, characterized by The multi-stage screening box comprises a multi-stage screening box body, a vibrating device is arranged on the left side of the multi-stage screening box body, screen plate installation inclined grooves are arranged on the front and rear sides of the multi-stage screening box body and penetrate the multi-stage screening box body, the screen plate installation inclined grooves are uniformly distributed and are obliquely arranged to the right and downward, a guide installation table is arranged at the outer end of the screen plate installation inclined grooves, a discharge port corresponding to the screen plate installation inclined grooves is arranged on the right side of the multi-stage screening box body, the corresponding discharge ports are located above the right side of the screen plate installation inclined grooves, and a material collecting device is arranged at the lower end of the multi-stage screening box body.

3. The slag classifying device according to claim 2, characterized in that The first screening plate comprises a mounting square frame, the mounting square frame is obliquely arranged to the right and downward, side sliding square columns are fixedly installed on the left and right sides of the mounting square frame, vertical rollers are uniformly and rotatably installed on the outer side of the side sliding square columns, and a screen is installed in the mounting square frame, the mounting square frame is slidingly installed in the screen plate installation inclined groove through the side sliding square columns.

4. The slag classifying apparatus according to claim 2, characterized by The screening plate replacement device comprises a lifting table, screw hole devices are arranged on the lifting table, the lifting table is drivingly connected to the lifting screw device through the screw hole devices, mounting brackets are arranged on the outer side of the lifting table, push rod devices are arranged on the mounting brackets, a positioning inclined table is arranged on the lifting table, a positioning inclined surface is arranged on the positioning inclined table, and the positioning inclined surface is parallel to the screen plate installation inclined groove.

5. The slag classifying apparatus according to claim 3, wherein The first, second and third screening plates are the same in structure, and the screen holes of the screens are different, and the screen holes are sequentially reduced.

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