Coal blending and mixing device

Abstract

The utility model relates to the technical field of material mixing devices, and discloses a coal blending material mixing device which comprises a material mixing box, two annular grooves are formed in the inner wall of the material mixing box, inner bevel gear rings are fixedly connected to the bottom ends of the two annular grooves, fixing rings are rotationally connected to the inner walls of the two annular grooves, and the inner bevel gear rings are fixedly connected to the inner walls of the two annular grooves. Rotating shafts symmetrically and rotationally penetrate through the two fixing rings, bevel gears are fixedly connected to the ends, away from each other, of the two rotating shafts, and the two bevel gears are connected with an inner bevel gear ring in an engaged mode; through structures such as a motor, a driving shaft, a square column, a square groove, a stirring shaft, a rotating shaft, a bevel gear, a fixing ring and an inner bevel gear ring, meager coal and meager lean coal on the upper layer and the lower layer can be overturned and mixed, the situation of vertical layering during mixing is avoided, and the mixing effect is guaranteed; the problems that a traditional device only rotates in a single direction in the using process, so that layering occurs in the material mixing process, and the mixing effect is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mixing device, specifically is a coal blending mixing device. BACKGROUND

[0002] Many scientific research institutions and colleges in China have carried out a lot of research on the replacement of lean coal with lean coal and lean coal for coal blending coking, and through the analysis of the characteristics of different coal types, the optimization of coal blending ratio, the adjustment of coking process parameters and other aspects, certain achievements have been made. However, in the process of coal blending, coal blending mixing device is needed for mixing treatment to ensure uniform mixing.

[0003] A coal blending and blending device for coal-fired generator set is provided in Chinese patent with publication number CN220758824U, which includes a coal blending box. The outer surface of the coal blending box is connected with a feeding pipe. The inside of the coal blending box is provided with a discharging mechanism. The discharging mechanism includes a rotating rod one and a rotating rod two. The rotating rod one is rotatably connected to the inner wall of the coal blending box and extends to the outside of the coal blending box. The rotating rod two is rotatably connected to the inner wall of the coal blending box.

[0004] The above-mentioned device can discharge mixed coal slurry and sludge through the cooperation between the coal blending box, the feeding pipe, the discharging mechanism, the motor one and the belt pulley two, thereby effectively avoiding the low feeding efficiency of the generator set caused by the lack of discharging function. However, during use, only single-direction rotation occurs, which may cause stratification during mixing and affect the mixing effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a coal blending mixing device to solve the problem of single-direction rotation during use of the existing device, which may cause stratification during mixing and affect the mixing effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coal blending mixing device, which includes a mixing box. Two annular grooves are formed in the inner wall of the mixing box. An inner bevel gear ring is fixedly connected to the bottom end of each annular groove. A fixed ring is rotatably connected to the inner wall of each annular groove. A rotating shaft is rotatably penetrated through each fixed ring symmetrically. A bevel gear is fixedly connected to the end of each rotating shaft away from the other. Each bevel gear is meshingly connected with the inner bevel gear ring. A stirring shaft is rotatably connected to the top end of the mixing box. Each rotating shaft is rotatably connected with the stirring shaft. A plurality of stirring blades are fixedly connected to the outer wall of each rotating shaft.

[0007] Preferably, a support plate is fixedly connected to the bottom of the inner wall of the mixing box. The support plate is rotatably connected with the stirring shaft.

[0008] Preferably, the bottom end of the mixing box is fixedly connected with a discharging cylinder, both sides of the bottom end of the mixing box corresponding to the discharging cylinder are fixedly connected with electric push rods, and the telescopic ends of the two electric push rods are fixedly connected with a connecting plate.

[0009] Preferably, the bottom end of the stirring shaft is provided with a square groove, and the inner wall of the square groove is provided with a square column, and the bottom end of the square column is fixedly connected with a driving shaft.

[0010] Preferably, the bottom end of the connecting plate is fixedly connected with a motor, and the driving end of the motor is fixedly connected with the driving shaft.

[0011] Preferably, the outer wall of the driving shaft is fixedly connected with a plugging column in the inside corresponding to the discharging cylinder, and the top end of the plugging column is provided with a cambered surface.

[0012] Preferably, the outer wall of the driving shaft is fixedly connected with a dredging plate in a symmetrical manner, and the two dredging plates are used for dredging and preventing plugging during discharging.

[0013] Preferably, the top end of the mixing box is fixedly connected with a feeding pipe, and the bottom end of the mixing box is provided with a through hole and arranged in the inside of the discharging pipe.

[0014] Compared with the prior art, the device has the advantages that:

[0015] 1) The coal blending and mixing device can rotate and revolve with the rotation shaft revolving and the stirring blade revolving, so that the upper and lower layers of poor coal, lean coal and other coal can be turned and mixed, the upper and lower layers are prevented from being separated during mixing, and the mixing effect is ensured.

[0016] 2) The coal blending and mixing device can dredge during discharging, prevent plugging during discharging, and ensure continuous discharging operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the coal blending and mixing device;

[0018] Figure 2 It is a bottom perspective view of the coal blending and mixing device;

[0019] Figure 3 It is a mixing box sectional view of the coal blending and mixing device;

[0020] Figure 4 It is a stirring shaft sectional view of the coal blending and mixing device;

[0021] Figure 5 The utility model relates to a kind of annular groove structure diagram of coal blending mixing device.

[0022] In the drawing: 1, mixing box;2, annular groove;3, inner bevel gear ring;4, fixed ring;5, rotating shaft;6, bevel gear;7, stirring shaft;8, stirring blade;9, support plate;10, blanking cylinder;11, electric push rod;12, connecting plate;13, square groove;14, square column;15, driving shaft;16, motor;17, block column;18, dredging plate;19, feed pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Embodiment one

[0025] Combined Figures 1-5 A kind of coal blending mixing device, including mixing box 1, two annular grooves 2 are set in the inner wall of mixing box 1, the bottom end of two annular grooves 2 is fixedly connected with inner bevel gear ring 3, the inner wall of two annular grooves 2 is rotatably connected with fixed ring 4, two fixed rings 4 are rotatably penetrated with rotating shaft 5 on the symmetry, the end of two groups of rotating shafts 5 is away from each other and is fixedly connected with bevel gear 6, two groups of bevel gears 6 are all and inner bevel gear ring 3 meshing connection, stirring shaft 7 is rotatably connected in the top of mixing box 1, two groups of rotating shafts 5 are rotatably connected with stirring shaft 7, the outer wall of two groups of rotating shafts 5 is fixedly connected with a plurality of stirring blades 8, the inner wall bottom of mixing box 1 is fixedly connected with support plate 9, and support plate 9 is rotatably connected with stirring shaft 7.

[0026] Specifically, the annular groove 2 is used to place the inner bevel gear ring 3, and the fixed ring 4 is set to block the annular groove 2 to prevent coal such as lean coal and lean lean coal from entering the annular groove 2 during operation. Since the bevel gear 6 is meshing connected with the inner bevel gear ring 3, when the stirring shaft 7 rotates, the rotating shaft 5 will revolve, and it will also rotate itself. Therefore, it can revolve and rotate with the stirring blade 8. By setting the upper and lower layers, the internal lean coal, lean lean coal and other coal can be fully mixed to avoid the situation of upper and lower stratification, ensure the overall mixing effect, and the support plate 9 is set to limit the stirring shaft 7 to ensure the stable rotation of the stirring shaft 7.

[0027] Embodiment two

[0028] Refer to Figure 3 And Figure 4And on the basis of example one, further obtained, the mixing box 1 bottom end fixedly connected with the discharge cylinder 10, the mixing box 1 bottom end corresponding to the two sides of the discharge cylinder 10 are fixedly connected with electric push rod 11, two electric push rod 11 telescopic end fixedly connected with the connecting plate 12, stirring shaft 7 bottom end is provided with square groove 13, square groove 13 inner wall is provided with square column 14, square column 14 bottom end fixedly connected with drive shaft 15, connecting plate 12 bottom end fixedly connected with motor 16, motor 16 drive end and drive shaft 15 fixedly connected, drive shaft 15 outer wall corresponding to the inside of the discharge cylinder 10 fixedly connected with the plug column 17, the top of the plug column 17 is provided with arc surface, drive shaft 15 outer wall is fixedly connected with the symmetrical dredging plate 18, two dredging plate 18 is used for dredging and preventing the blockage when discharging, the mixing box 1 top end fixedly connected with the feed pipe 19, the mixing box 1 bottom end is provided with through hole and is arranged in the inside of the discharge pipe.

[0029] Specifically, through the discharge cylinder 10 can be discharged after mixing, both sides of the electric push rod 11 is controlled by the synchronous controller, so that synchronous lifting movement, so that the connecting plate 12 can move up and down, and when mixing, the plug column 17 into the discharge cylinder 10, complete the plugging treatment, avoid falling in the mixing of coal, and when the need to discharge, make the plug column 17 out of the discharge cylinder 10, and start the motor 16 with drive shaft 15 rotation, and with the dredging plate 18 rotation, thus can be dredged when discharging, prevent the blockage of discharging, ensure continuous discharging operation.

[0030] In actual operation process, first through the feed pipe 19 can be put into the mixing box 1 of lean coal, lean coal and other coal, then start the motor 16 with drive shaft 15 rotation, because the square column 14 and square groove 13 can make the stirring shaft 7 rotation, thus can be with the revolution of the shaft 5, at this time, because the bevel gear 6 and the inner umbrella tooth ring 3 meshing connection, thus can be in the revolution of the shaft 5 also will be self rotating, and with the stirring blade 8 self rotating and revolution treatment, thus can be the upper and lower layer of lean coal, lean coal and other coal mixing treatment, avoid the mixing of upper and lower layer, ensure the mixing effect;

[0031] When the need to discharge, start the electric push rod 11 with connecting plate 12 downward movement, at the same time with the drive shaft 15 and the plug column 17 downward movement, and make the plug column 17 out of the range of the discharge cylinder 10, so as to remove the blockage, and the motor 16 with drive shaft 15 continue to rotate, and in the cooperation of the dredging plate 18 can be dredged when discharging, prevent the blockage of discharging, ensure continuous discharging operation.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A coal blending plant comprising a blending bin (1), characterized in that: Two annular grooves (2) are arranged on the inner wall of the mixing box (1), and an inner bevel gear ring (3) is fixedly connected to the bottom end of each annular groove (2); a fixed ring (4) is rotatably connected to the inner wall of each annular groove (2); a rotating shaft (5) is rotatably arranged on the fixed ring (4) in a symmetrical manner; a bevel gear (6) is fixedly connected to the end of the rotating shaft (5) away from the other end; the bevel gear (6) is in meshing connection with the inner bevel gear ring (3); a stirring shaft (7) is rotatably connected to the top end of the mixing box (1); the rotating shaft (5) is rotatably connected to the stirring shaft (7); a plurality of stirring blades (8) are fixedly connected to the outer wall of the rotating shaft (5).

2. A coal blending device according to claim 1, wherein: The support plate (9) is fixedly connected to the bottom of the inner wall of the mixing box (1) and is rotatably connected to the stirring shaft (7).

3. A coal blending device according to claim 2, wherein: The mixing box (1) is fixedly connected with a discharging cylinder (10) at the bottom end, and an electric push rod (11) is fixedly connected to each side of the discharging cylinder (10) at the bottom end of the mixing box (1); the extension end of the electric push rod (11) is fixedly connected with a connecting plate (12).

4. A coal blending device according to claim 3, wherein: The bottom end of the stirring shaft (7) is provided with a square groove (13), and a square column (14) is arranged on the inner wall of the square groove (13); the bottom end of the square column (14) is fixedly connected with a driving shaft (15).

5. A coal blending device according to claim 4, wherein: The bottom end of the connecting plate (12) is fixedly connected with a motor (16), and the driving end of the motor (16) is fixedly connected with the driving shaft (15).

6. A coal blending device according to claim 5, wherein: The outer wall of the driving shaft (15) is fixedly connected with a plugging column (17) corresponding to the inside of the discharging cylinder (10), and the top end of the plugging column (17) is provided with a curved surface.

7. A coal blending device according to claim 6, wherein: The outer wall of the driving shaft (15) is fixedly connected with a dredging plate (18) in a symmetrical manner, and the two dredging plates (18) are used for dredging and preventing blockage during discharging.

8. A coal blending device according to claim 3, wherein: The top end of the mixing box (1) is fixedly connected with a feeding pipe (19), and the bottom end of the mixing box (1) is provided with a through hole arranged in the discharging pipe.

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