Pretreatment device before sintering of coal gangue sintered perforated bricks

Abstract

The utility model discloses a pretreatment device before sintering of coal gangue sintering perforated bricks, which belongs to the technical field of coal gangue pretreatment, and is characterized in that a feeding hopper and a discharging port are respectively arranged on a box body, a feeding port is arranged on a screening roller, a first motor is arranged on the side wall of the box body, and a second motor is arranged on the side wall of the box body. The output end of the first motor is fixedly connected with one rotating shaft, the screening roller comprises an outer screening drum and an inner screening drum, the inner screening drum is rotationally installed in the outer screening drum, a cavity is formed in the rotating shaft at the end away from the motor, a second motor is fixedly installed in the cavity, and the output end of the second motor is fixedly connected with the inner screening drum and rotationally installed on the outer screening drum; a fixing assembly used for fixing the inner screen drum is installed in the cavity, spiral blades are installed on the inner wall of holes of the outer screen drum and the inner wall of holes of the inner screen drum, discharging openings are formed in the inner screen drum and the outer screen drum, and a sealing assembly used for sealing the discharging openings is installed on the outer screen drum.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coal gangue pretreatment technical field, more specifically, it relates to a coal gangue sintering porous brick sintering pretreatment device before. BACKGROUND

[0002] Coal gangue porous brick is a new type of environmental protection building material, mainly by coal gangue, fly ash, shale and other solid waste after crushing, batching, forming and sintering process is made. In order to better utilize coal gangue, some pretreatment is needed for coal gangue, such as the need for coal gangue sintering porous brick to crush the coal gangue first, the degree of crushing directly affects the sintering quality of porous brick, therefore, the crushed coal gangue needs to be screened, in the prior art, when screening is carried out by using a screen cylinder, the large coal gangue particles remaining in the screen cylinder need to be collected and then crushed again.

[0003] At present, the Chinese utility model patent with publication number CN218655361U discloses a coal gangue sintering porous brick sintering pretreatment device before, which comprises an outer box, a screening drum is rotatably installed in the outer box, a material gathering protrusion is arranged on the screening drum, a feeding screw is rotatably installed in the material gathering protrusion, a drive box is fixed on one side of the outer box, the drive box can separately drive the screening drum and the feeding screw to rotate, a coarse material discharge port is formed on the side of the outer box away from the drive box, and a discharge port blocking mechanism is installed on the screening drum, the discharge port blocking mechanism comprises a first rotary motor, and the first rotary motor is fixed on the screening drum.

[0004] The coal gangue sintering porous brick sintering pretreatment device before in the prior art, similar to the above, although the coal gangue particles can be quickly discharged from the coarse material discharge port, the discharged coal gangue particles are not classified by size, and the coal gangue particles of different sizes are mixed together, which cannot be accurately ground, resulting in the phenomenon that the smaller coal gangue particles are not ground, therefore, a coal gangue sintering porous brick sintering pretreatment device before is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a coal gangue sintering porous brick sintering pretreatment device before, which has the advantage of being able to distinguish the size of coal gangue particles.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The application relates to a coal gangue sintering porous brick pre-treatment device before sintering, which comprises a box body, a screening roller rotatably arranged on the box body through two rotating shafts, the screening roller being obliquely arranged on the box body, a feeding hopper and a discharging port being arranged on the box body respectively, a feeding opening being formed in the screening roller, a first motor being arranged on the side wall of the box body, the output end of the first motor being fixedly connected with one of the rotating shafts, the screening roller comprising an outer screening cylinder and an inner screening cylinder, the inner screening cylinder being rotatably arranged in the outer screening cylinder;

[0008] A cavity is formed in the rotating shaft at the end far from the first motor, a second motor is fixedly arranged in the cavity, the output end of the second motor is fixedly connected with the inner screening cylinder and rotatably arranged on the outer screening cylinder, a fixing assembly for fixing the inner screening cylinder is arranged in the cavity, helical blades are arranged on the inner and outer screening cylinders, discharging openings are formed in the inner and outer screening cylinders, and a sealing assembly for sealing the discharging openings is arranged on the outer screening cylinder.

[0009] According to the scheme, the coal gangue raw materials are added into the inner screening cylinder on the screening roller from the feeding hopper and the feeding opening, the first motor is started after the addition is completed, the outer screening cylinder and the inner screening cylinder are rotated on the box body under the drive of the first motor, the inner screening cylinder preliminarily screens the coal gangue raw materials, the larger coal gangue particles are filtered and blocked in the inner screening cylinder, the coal gangue raw materials passing through the inner screening cylinder enter the outer screening cylinder, the coal gangue raw materials are screened again in the outer screening cylinder, the larger coal gangue particles passing through the inner screening cylinder are screened out from the outer screening hole, the fixing assembly is opened after the screening is completed, the restriction between the outer screening cylinder and the inner screening cylinder is released, the second motor is started to make the inner screening cylinder reverse, the larger coal gangue particles in the inner screening cylinder are lifted to a certain height through the helical blades, the sealing assembly is opened at this time, and the first motor is started to make the outer screening net rotate in a normal direction, the smaller coal gangue particles in the outer screening cylinder are discharged from the discharging opening on the outer screening cylinder under the action of the helical blades, the second motor is started to rotate in a normal direction after the smaller coal gangue particles are discharged, so that the inner screening cylinder rotates in a normal direction, and the larger coal gangue particles in the inner screening cylinder are discharged again under the action of the helical blades, the larger coal gangue particles and the smaller coal gangue particles are discharged through the division, so that the screened coal gangue particles are conveniently divided and ground.

[0010] The outer screening cylinder and the inner screening cylinder are provided with round holes, the round holes are communicated with the cavity, the fixing assembly comprises a fixed pin slidably arranged in the round hole and a sliding plate, the fixed pin is fixedly arranged on the sliding plate, a rotating rod is arranged at the end of the sliding plate far from the fixed pin, one end of the rotating rod extends out of the outer wall of the rotating shaft and is threadedly connected with the rotating shaft, and a rotating disc is arranged on the end of the rotating rod extending out of the outer wall of the rotating shaft.

[0011] According to the advantages of the scheme, at least the following advantages are obtained: when the outer screen cylinder and the inner screen cylinder need to be released, only the rotating rod is rotated through the rotating disc, the rotating rod is rotated on the sliding plate, and the fixing pin fixed on the sliding plate is extended into the round hole on the outer screen cylinder and the inner screen cylinder, so that the operation is quick and convenient.

[0012] The utility model further sets up: the sealing assembly includes the first electric push rod of symmetry installation at the blanking mouth, the sealing plate of sliding installation on the outer screen cylinder, the sealing plate symmetry installs at the blanking mouth, and sealing plate and the output fixed connection of first electric push rod.

[0013] According to the advantages of the scheme, at least the following advantages are obtained: the first electric push rod is more rapid in response compared with other components, and the number of parts is small, so that installation is convenient, and maintenance and replacement in the later period are also convenient.

[0014] The utility model further sets up: a plurality of first screen holes are equipped on the outer screen cylinder, a plurality of second screen holes are equipped on the inner screen cylinder, and the diameter of the first screen hole is greater than the diameter of the second screen hole.

[0015] According to the advantages of the scheme, at least the following advantages are obtained: by setting the first screen hole and the second screen hole of different sizes, the outer screen cylinder and the inner screen cylinder are convenient for filtering coal gangue particles of different sizes.

[0016] The utility model further sets up: the spiral direction of the spiral blade installed on the inner wall of the outer screen cylinder and the inner screen cylinder hole is same.

[0017] The utility model further sets up: the feeding hopper is slidingly installed on the box body, a second electric push rod is installed on the top of the box body beside the feeding hopper, and the output end of the second electric push rod is fixedly connected with the side wall of the feeding hopper.

[0018] According to the advantages of the scheme, at least the following advantages are obtained: the feeding hopper is slidingly installed on the box body, so that the outer screen cylinder and the inner screen cylinder are not limited when rotating, and the coal gangue raw material can be conveniently added to the inner screen cylinder.

[0019] The utility model further sets up: a slope is arranged on the inner bottom surface of the box body, and the inclination angle of the slope is same as the inclination angle of the screening roller.

[0020] According to the advantages of the scheme, at least the following advantages are obtained: the slope is convenient for discharging the filtered coal gangue raw material from the box body.

[0021] In summary, the utility model has at least the following advantages:

[0022] 1. By setting the screening drum, fixed assembly and sealing assembly, by adding coal gangue raw materials from the hopper and the feeding port into the inner screen drum on the screen drum, after adding, start the first motor, the first motor drives the outer screen drum and the inner screen drum to rotate on the box, the inner screen drum preliminarily screens the coal gangue raw materials, filters and blocks the larger coal gangue particles in the inner screen drum, the coal gangue raw materials in the inner screen drum enter the outer screen drum, and then the outer screen drum screens the coal gangue raw materials, the coal gangue particles screened out from the outer screen drum through the inner screen drum, after screening, open the fixed assembly, remove the restriction between the outer screen drum and the inner screen drum, start the second motor to reverse the inner screen drum, lift the larger coal gangue particles in the inner screen drum by the spiral blade, at this time, open the sealing assembly and start the first motor to make the outer screen drum rotate, under the action of the spiral blade, first discharge the smaller coal gangue particles in the outer screen drum from the discharge port, after the smaller coal gangue particles are discharged, start the second motor to rotate and make the inner screen drum rotate, under the action of the spiral blade, discharge the larger coal gangue particles in the inner screen drum, by distinguishing the larger coal gangue particles and the smaller coal gangue particles, it is convenient to distinguish and grind the screened coal gangue particles;

[0023] 2. By setting the hopper slidingly installed on the box, after adding the raw materials, the outer screen drum and the inner screen drum are rotated, the hopper avoids restricting them, and it is also convenient to add the coal gangue raw materials to the inner screen drum;

[0024] 3. By setting the slope, the slope facilitates discharging the filtered coal gangue raw materials from the box. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall schematic diagram of the embodiment;

[0026] Figure 2 It is the perspective sectional view schematic diagram of the embodiment;

[0027] Figure 3 It is the explosion schematic diagram of the screening drum in the embodiment;

[0028] Figure 4 It is Figure 3 the perspective sectional view schematic diagram of the outer screen drum in the embodiment;

[0029] Figure 5 It is Figure 3 the perspective sectional view schematic diagram of the inner screen drum in the embodiment.

[0030] : 1, box; 2, screening drum; 201, outer screen cylinder; 2011, first screen hole; 202, inner screen cylinder; 2021, second screen hole; 3, feeding hopper; 4, discharge port; 5, feeding port; 6, first motor; 7, rotating shaft; 8, chamber; 9, second motor; 10, fixed assembly; 1001, fixed pin; 1002, sliding plate; 1003, rotating rod; 11, spiral blade; 12, discharge port; 13, sealing assembly; 1301, first electric push rod; 1302, sealing plate; 14, round hole; 15, rotating disc; 16, second electric push rod; 17, slope. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail below in combination with the drawings.

[0032] A coal gangue sintered porous brick pretreatment device before sintering, as shown in Figure 1 、 Figure 2 , including box 1, the screening drum 2 is rotatably installed on the box 1 by two rotating shafts 7, the screening drum 2 is obliquely installed on the box 1, the inner bottom surface of the box 1 is provided with the slope 17, the inclination angle of the slope 17 is same with the inclination angle of the screening drum 2, the box 1 has feeding hopper 3 and discharge port 4 respectively, the feeding hopper 3 is slidably installed on the box 1, the second electric push rod 16 is installed on the side of the feeding hopper 3 and located at the top of the box 1, and the output end of the second electric push rod 16 is fixedly connected with the side wall of the feeding hopper 3.

[0033] As shown in Figure 3 、 Figure 4 , the feeding port 5 is formed in the screening drum 2, the first motor 6 is installed on the side wall of the box 1, the output end of the first motor 6 is fixedly connected with one rotating shaft 7, the screening drum 2 includes the outer screen cylinder 201 and the inner screen cylinder 202, the inner screen cylinder 202 is rotatably installed in the outer screen cylinder 201, in order to distinguish different sizes of coal gangue particles, a plurality of first screen holes 2011 are formed in the outer screen cylinder 201, a plurality of second screen holes 2021 are formed in the inner screen cylinder 202, and the diameter of the first screen hole 2011 is greater than the diameter of the second screen hole 2021.

[0034] As shown in Figure 4 , (refer to Figure 2), a chamber 8 is formed in the rotating shaft 7 away from the first motor 6, a second motor 9 is fixedly installed in the chamber 8, the output end of the second motor 9 is fixedly connected with the inner screen cylinder 202 and is rotatably installed on the outer screen cylinder 201, a fixing assembly 10 for fixing the inner screen cylinder 202 is installed in the chamber 8, a circular hole 14 is formed in the outer screen cylinder 201 and the inner screen cylinder 202 and is communicated with the chamber 8, the fixing assembly 10 comprises: a fixed pin 1001 slidably installed in the circular hole 14, a sliding plate 1002, the fixed pin 1001 is fixedly installed on the sliding plate 1002, a rotating rod 1003 is arranged at the end of the sliding plate 1002 away from the fixed pin 1001, one end of the rotating rod 1003 extends out of the outer wall of the rotating shaft 7 and is threadedly connected with the rotating shaft 7, and a rotating disc 15 is installed at the end of the rotating rod 1003 extending out of the outer wall of the rotating shaft 7.

[0035] As shown in Figure 4 , Figure 5 shown (refer to Figure 3 ), the spiral blades 11 are installed on the inner walls of the holes of the outer screen cylinder 201 and the inner screen cylinder 202, the spiral directions of the spiral blades 11 installed on the inner walls of the holes of the outer screen cylinder 201 and the inner screen cylinder 202 are the same, the discharge ports 12 are formed in the inner screen cylinder 202 and the outer screen cylinder 201, the sealing assembly 13 for sealing the discharge ports 12 is installed on the outer screen cylinder 201, and the sealing assembly 13 comprises the first electric push rods 1301 symmetrically installed at the discharge ports 12 and the sealing plates 1302 slidably installed on the outer screen cylinder 201.

[0036] The working process and beneficial effects of the utility model are as follows:

[0037] In the embodiment, the coal gangue raw materials are added into the inner screen cylinder 202 on the screening roller 2 from the feeding hopper 3 and the feeding port 5, the second electric push rod 16 is started after the addition is completed, the second electric push rod 16 drives the feeding hopper 3 to move upwards and away from the feeding port 5, the first motor 6 is started at this moment, the first motor 6 drives the outer screen cylinder 201 and the inner screen cylinder 202 to rotate on the box body 1, the inner screen cylinder 202 preliminarily screens the coal gangue raw materials, filters and blocks the larger coal gangue particles in the inner screen cylinder 202, the coal gangue raw materials passing through the inner screen cylinder 202 enter the outer screen cylinder 201, and the outer screen cylinder 201 screens the coal gangue raw materials.

[0038] The coal gangue particles passing through the inner sieve cylinder 202 are screened out from the outer sieve cylinder 201, after the screening is completed, the rotating disc 15 is rotated, the rotating disc 15 drives the rotating rod 1003 to rotate, the rotating rod 1003 rotates on the sliding plate 1002, and the fixed pin 1001 fixed on the sliding plate 1002 is pulled out from the circular hole 14 on the outer sieve cylinder 201 and the inner sieve cylinder 202, that is, the restriction between the outer sieve cylinder 201 and the inner sieve cylinder 202 is released, at this time, the second motor 9 is started again to make the inner sieve cylinder 202 reverse, the larger coal gangue particles in the inner sieve cylinder 202 are lifted to a certain height through the spiral blade 11;

[0039] At this time, the sealing assembly 13 is opened, and the first motor 6 is started to make the outer sieve cylinder 201 rotate, under the action of the spiral blade 11, the smaller coal gangue particles in the outer sieve cylinder 201 are discharged from the discharge port 12 on the outer sieve cylinder 201, after the smaller coal gangue particles are discharged, the second motor 9 is started to rotate to make the inner sieve cylinder 202 rotate, under the action of the spiral blade 11, the larger coal gangue particles in the inner sieve cylinder 202 are discharged, the larger coal gangue particles and the smaller coal gangue particles are discharged through the division, so that the screened coal gangue particles are conveniently divided and ground.

[0040] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. within the design concept of the present application should be included in the protection scope of the present application.

Claims

1. A pre-treatment device for sintered coal gangue porous bricks before sintering, comprising a housing (1), a screening drum (2) being rotatably mounted on the housing (1) via two rotating shafts (7), the screening drum (2) being obliquely mounted on the housing (1), characterized in that: A feeding hopper (3) and a discharge port (4) are respectively provided on the box body (1), a feeding port (5) is provided on the screening drum (2), a first motor (6) is installed on the side wall of the box body (1), an output end of the first motor (6) is fixedly connected to one of the rotating shafts (7), and the screening drum (2) includes an outer screen drum (201) and an inner screen drum (202), and the inner screen drum (202) is rotatably installed in the outer screen drum (201); A chamber (8) is provided in the rotating shaft (7) at one end away from the first motor (6), a second motor (9) is fixedly installed in the chamber (8), an output end of the second motor (9) is fixedly connected to the inner sieve drum (202), and is rotatably installed on the outer sieve drum (201), a fixing assembly (10) for fixing the inner sieve drum (202) is installed in the chamber (8), spiral blades (11) are installed on the inner walls of the holes of the outer sieve drum (201) and the inner sieve drum (202), a discharge port (12) is provided on the inner sieve drum (202) and the outer sieve drum (201), and a sealing assembly (13) for sealing the discharge port (12) is installed on the outer sieve drum (201).

2. The pre-sintering pretreatment device for coal gangue sintered porous bricks according to claim 1, characterized in that: A circular hole (14) is provided on both the outer sieve drum (201) and the inner sieve drum (202), and the circular hole (14) is communicated with the chamber (8). The fixing assembly (10) comprises: a fixing pin (1001) slidably mounted in the circular hole (14), and a sliding plate (1002). The fixing pin (1001) is fixedly mounted on the sliding plate (1002). A rotating rod (1003) is provided at one end of the sliding plate (1002) away from the fixing pin (1001). One end of the rotating rod (1003) extends out of the outer wall of the rotating shaft (7) and is threadedly connected to the rotating shaft (7). A turntable (15) is mounted on the end of the rotating rod (1003) extending out of the outer wall of the rotating shaft (7).

3. The pre-sintering pretreatment device for sintered coal gangue porous bricks according to claim 2, characterized in that: The sealing assembly (13) comprises a first electric push rod (1301) symmetrically mounted at the discharge port (12), and a sealing plate (1302) slidably mounted on the outer sieve drum (201); the sealing plate (1302) is symmetrically mounted at the discharge port (12), and the sealing plate (1302) is fixedly connected to the output end of the first electric push rod (1301).

4. The pre-sintering pretreatment device for sintered coal gangue porous bricks according to claim 3, characterized in that: The outer sieve cylinder (201) is provided with a plurality of first sieve holes (2011), and the inner sieve cylinder (202) is provided with a plurality of second sieve holes (2021), wherein the diameter of the first sieve holes (2011) is greater than the diameter of the second sieve holes (2021).

5. The pre-sintering pretreatment device for sintered coal gangue porous bricks according to claim 4, characterized in that: The spiral blades (11) installed on the inner walls of the holes of the outer sieve cylinder (201) and the inner sieve cylinder (202) have the same spiral direction.

6. The pre-sintering pretreatment device for sintered coal gangue porous bricks according to claim 5, characterized in that: The feeding hopper (3) is slidably mounted on the box body (1), and a second electric push rod (16) is mounted beside the feeding hopper (3) and on the top of the box body (1), wherein the output end of the second electric push rod (16) is fixedly connected to the side wall of the feeding hopper (3).

7. The pre-sintering pretreatment device for sintered coal gangue porous bricks according to claim 6, characterized in that: An inclined surface (17) is provided on the inner bottom surface of the box body (1), and the inclination angle of the inclined surface (17) is the same as the inclination angle of the screening drum (2).

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