Feeding device of coal slime dense medium cyclone
By introducing a constant speed discharge, buffering and heating device into the coal slime heavy medium cyclone feeding device, the problem of equipment damage during coal slime drainage is solved, the effect of safe discharge and coal slime dehydration is achieved, and maintenance is reduced Cost and work intensity of people.
Patent Information
- Application Number
- CN202420207764.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-29
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-01-29
AI Technical Summary
The traditional coal slime is used to unbuffer the heavy medium cyclone, which makes the coal slime easy to smash the equipment and increases the maintenance and replacement costs.
A coal sludge heavy medium cyclone feeding device is designed, including a uniform-speed cutting device, a buffer device and a heating device. The constant-speed cutting device realizes quantitative and uniform-speed cutting through a uniform-speed cutting device. The buffer device buffers the falling coal sludge to reduce the impact force. , the heating device heats the coal sludge, and the switching device controls the discharge process.
It effectively avoids equipment damage, reduces the working intensity of people, and increases the value of coal slime through dehydration, reducing the impact of wet coal slime on the heat generation.
Smart Images
Figure CN222219919U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heavy medium cyclones, in particular to a feeding device for a coal slime heavy medium cyclone. Background Art
[0002] The heavy medium cyclone is a coal separation equipment with simple structure, no moving parts and high separation efficiency. Since the cyclone itself has no moving parts, its separation process completely relies on the flexible coordination of its own structural parameters and external operating parameters to achieve the best separation accuracy. This is a prominent feature of cyclone coal separation that is completely different from other coal separation methods.
[0003] At present, when feeding coal slime into the heavy medium cyclone, workers mostly use the non-buffered feeding method to operate. When feeding, the workers pour the coal slime into the heavy medium cyclone, and then start the heavy medium cyclone to carry out coal cleaning operations;
[0004] When traditionally feeding coal slime into the heavy medium cyclone, the operation is carried out in a non-buffered feeding method. Therefore, when feeding the coal slime, the staff pours all the coal slime into the device at one time. However, many devices are installed inside the device, which makes it easy for the poured coal slime to damage the equipment, causing the equipment to be unable to be used normally, requiring maintenance or replacement of new equipment, thereby increasing operating costs. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a feeding device for a coal slime heavy medium cyclone, which solves the problem that when the traditional coal slime is fed into the heavy medium cyclone, the operation is carried out in a non-buffered feeding manner. Therefore, when feeding the coal slime, the staff pours all the coal slime into the device at one time, but many devices are installed inside the device, which makes it easy for the poured coal slime to damage the equipment, resulting in the equipment being unable to be used normally and requiring maintenance or replacement of new equipment, thereby increasing the operating cost.
[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a coal slime heavy medium cyclone feeding device, including a box body, a feed port is installed on the top of the box body, a discharge port is arranged at the bottom of the box body, and connecting plates are installed on the outer walls of both sides of the box body. The coal slime heavy medium cyclone feeding device also includes: a uniform speed feeding device, which is arranged inside the feed port; a buffer device, which is installed inside the box body; a heating device, which is arranged below the buffer device; and a switch device, which is installed at the bottom of the box body; wherein the uniform speed feeding device can feed the coal slime at a constant and quantitative speed, the buffer device can buffer the falling coal slime, the heating device can heat the coal slime, and the switch device can control the feeding of the coal slime.
[0007] Preferably, the uniform speed unloading device includes: a first servo motor, installed on the outer wall of the feed port; a first cross bar, rotatably connected to the inner wall of the feed port through a bearing, and fixedly connected to the output end of the first servo motor; a unloading roller, arranged on the outer wall of the first cross bar, and fitting with the inner wall of the feed port; wherein, the first servo motor can drive the first cross bar to drive the unloading roller to realize regular rotation, so as to realize timed and quantitative unloading operation.
[0008] Preferably, the buffer device includes: a buffer plate, which is installed on the inner wall of the box body through a pin shaft; a pulley, which is arranged below the buffer plate; a vertical pipe, which is installed below the pulley; a spring, which is arranged on the inner wall of the vertical pipe; a support plate, which is inserted into the inner wall of the vertical pipe and tightly abuts against the bottom of the spring, and the outer wall of the support plate is fixedly connected to the inner wall of the box body; wherein, when the coal slime falls onto the buffer plate, the buffer plate presses down the pulley to make the vertical pipe compression spring move on the outer wall of the support plate, thereby buffering the falling of the coal slime.
[0009] Preferably, the heating device includes: a second servo motor installed on the outer wall of the box; a second cross bar, rotatably connected to the inner wall of the box through a bearing, and fixedly connected to the output end of the second servo motor; a plurality of stirring rods, which are respectively installed on the outer wall of the second cross bar; two heaters, which are respectively installed on the inner walls on both sides of the box; a filter screen, which is installed on the inner wall of the box; wherein, the second servo motor drives the second cross bar to drive the stirring rod to stir the coal slime, the heater can heat the coal slime, and water vapor can be discharged from the box through the filter screen.
[0010] Preferably, the switch device includes: a baffle, which is inserted into the inner wall of the discharge port, and an electric push rod, which is installed on the outer wall of the baffle; a concave plate, which is arranged on the outer wall of the electric push rod and is sleeved with the baffle, and the outer wall of the concave plate is fixedly connected to the outer wall of the box; wherein, the electric push rod drives the baffle to move along the inner wall of the concave plate, so as to control the unloading operation of the coal slime. Beneficial Effects
[0011] The utility model provides a feeding device for a coal slime heavy medium cyclone. It has the following beneficial effects: the feeding device for the coal slime heavy medium cyclone solves the problem that the traditional coal slime is easily damaged by the non-buffered method when feeding into the heavy medium cyclone through the coordination of the uniform feeding device, the buffer device and the switch device. The device can buffer the falling coal slime through the buffer device, reduce the impact force generated when the coal slime falls, effectively avoid the problem of damaging the equipment, do not need manual intervention, and thus reduce the intensity of manual work.
[0012] The coal slime can be heated by a heating device. Since the coal slime contains a high proportion of water and impurities, the total calorific value of the coal slime will be reduced, thereby affecting the sales volume and price of the coal slime. The value of the wet coal slime can be increased after being dehydrated by the equipment, thus avoiding the problem of wet coal slime affecting the total calorific value of the coal slime. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 for Figure 1 A cross-sectional view of
[0015] Figure 3 for Figure 2 Schematic diagram of the structure of the central heater, electric push rod and concave plate;
[0016] Figure 4 for Figure 2 Schematic diagram of the structure of the buffer plate, pulley and spring.
[0017] In the figure: 1. box body, 2. feed port, 3. discharge port, 4. connecting plate, 5. uniform speed unloading device, 501. first servo motor, 502. first cross bar, 503. unloading roller, 6. buffer device, 601. buffer plate, 602. pulley, 603. vertical pipe, 604. spring, 605. support plate, 7. heating device, 701. second servo motor, 702. second cross bar, 703. stirring rod, 704. heater, 705. filter, 8. switch device, 801. baffle, 802. electric push rod, 803. concave plate. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.
[0020] When the traditional coal slime is fed into the heavy medium cyclone, the operation is carried out in a non-buffered feeding method. Therefore, when feeding the coal slime, the staff pours all the coal slime into the device at one time. However, there are many devices installed inside the device, which makes it easy for the poured coal slime to damage the equipment, causing the equipment to be unable to be used normally, and it needs to be repaired or replaced with new equipment, which increases the operation cost;
[0021] In view of this, the utility model provides a coal slime heavy medium cyclone feeding device, which solves the problem that when the traditional coal slime is fed into the heavy medium cyclone in a non-buffered manner, it is easy to damage the equipment through the cooperation of a uniform speed feeding device, a buffer device and a switch device. The device can buffer the falling coal slime through the buffer device, reduce the impact force generated when the coal slime falls, effectively avoid the problem of damaging the equipment, do not need manual intervention, and thus reduce the intensity of manual work.
[0022] Embodiment 1: Figure 1 , 2 , 3 and 4, a coal slime heavy medium cyclone feeding device comprises a box body 1, a feeding port 2 is installed on the top of the box body 1, a discharge port 3 is arranged at the bottom of the box body 1, and connecting plates 4 are installed on the outer walls of both sides of the box body 1. The coal slime heavy medium cyclone feeding device also includes: a uniform speed feeding device 5, which is arranged inside the feeding port 2; a buffer device 6, which is installed inside the box body 1; a heating device 7, which is arranged below the buffer device 6; a switch device 8, which is installed at the bottom of the box body 1; a box door is arranged on the outer wall of the box body 1, through which the equipment inside the box body 1 can be repaired or replaced, and the feeding port 2 is used to Pour the coal slime, the discharge port 3 is used to discharge the coal slime, and the connecting plate 4 is used to connect with the heavy medium cyclone. It can be understood that the connecting plate 4 provided in this embodiment is only an implementation method that can realize the fixing of the external heavy medium cyclone, not all embodiments. In the specific implementation process, other structures can also be adopted. The selection of the specific structure can be reasonably designed according to the actual situation; wherein, the uniform speed feeding device 5 can make the coal slime quantitatively and uniformly fed, the buffer device 6 can buffer the falling coal slime, the heating device 7 can heat the coal slime, and the switch device 8 can control the feeding of the coal slime;
[0023] In the specific implementation process, it is worth noting that the outer wall of the box body 1 is provided with a box door, through which the equipment inside the box body 1 can be repaired or replaced, the feed port 2 is used to pour the coal slime, the discharge port 3 is used to discharge the coal slime, and the connecting plate 4 is used to connect with the heavy medium cyclone. It can be understood that the connecting plate 4 provided in this embodiment is only an implementable method for fixing the external heavy medium cyclone, not all embodiments. In the specific implementation process, other structures can also be used, and the selection of the specific structure can be reasonably designed according to the actual situation;
[0024] Specifically, when using the coal slime heavy medium cyclone feeding device, the staff first connects the feeding device to the heavy medium cyclone through the connecting plate 4, and then pours the coal slime into the feeding port 2. When the coal slime falls through the uniform feeding device 5, the coal slime can be fed at a constant speed and in a quantitative manner. When the coal slime falls onto the buffer device 6, the buffer device 6 will buffer the falling coal slime until the coal slime falls to the bottom of the box 1. At this time, the switch device will limit the discharge of the coal slime, and then the heating device 7 starts to heat the coal slime. After the heating is completed, the coal slime is discharged from the discharge port 3 through the switch device 8 and enters the heavy medium cyclone to complete the feeding operation.
[0025] Embodiment 2: By Figure 1 and 2 It can be known that the uniform speed unloading device 5 includes: a first servo motor 501, the model of the first servo motor 501 is: ECMA-E11320RS, installed on the outer wall of the feed port 2; a first cross bar 502, which is rotatably connected to the inner wall of the feed port 2 through a bearing, and is fixedly connected to the output end of the first servo motor 501; a unloading roller 503, which is arranged on the outer wall of the first cross bar 502 and fits with the inner wall of the feed port 2; the first servo motor 501 can drive the unloading roller 503 to unload materials at a constant speed and in a quantitative manner, and the first cross bar 502 is rotatably connected to the inner wall of the feed port 2 through a sealed bearing, thereby preventing coal slime from entering the connection position between the first cross bar 502 and the feed port 2; wherein, the first servo motor 501 can drive the first cross bar 502 to drive the unloading roller 503 to realize regular rotation, so as to realize timed and quantitative unloading operations;
[0026] In the specific implementation process, it is worth pointing out that the first servo motor 501 can drive the feeding roller 503 to feed quantitatively and uniformly, and the first cross bar 502 is rotatably connected to the inner wall of the feed port 2 through a sealed bearing, thereby preventing the coal slime from entering the connection position between the first cross bar 502 and the feed port 2;
[0027] Specifically, based on the above-mentioned embodiment 1, when the coal slime is discharged at a uniform speed and in a quantitative manner, the staff turns on the external power supply of the first servo motor 501. At this time, the first servo motor 501 drives the first cross bar 502 to rotate, and the first cross bar 502 drives the discharge roller 503 to rotate. At this time, the coal slime can be discharged at a uniform speed and in a quantitative manner.
[0028] Embodiment 3: By Figure 1 , 2As can be seen from Figure 4, the buffer device 6 includes: a buffer plate 601, which is installed on the inner wall of the box body 1 through a pin shaft; a pulley 602, which is arranged below the buffer plate 601; a vertical pipe 603, which is installed below the pulley 602; a spring 604, which is arranged on the inner wall of the vertical pipe 603; a support plate 605, which is plugged into the inner wall of the vertical pipe 603 and tightly abuts against the bottom of the spring 604, and the outer wall of the support plate 605 is fixedly connected to the inner wall of the box body 1; when the buffer plate 601 is subjected to force, it can move along the inner wall of the box body 1 through the pin shaft, and when the vertical pipe 603 is subjected to force, it can move on the outer wall of the support plate 605, and the support plate 605 is processed with an opening, and the coal slime can fall into the bottom of the box body 1 through the opening; wherein, when the coal slime falls to the buffer plate 601, the buffer plate 601 presses down the pulley 602 to make the vertical pipe 603 compress the spring 604 to move on the outer wall of the support plate 605, thereby performing a buffering operation on the falling of the coal slime;
[0029] In the specific implementation process, it is worth pointing out that the buffer plate 601 can move along the inner wall of the box body 1 through the pin shaft when the force is applied, and the vertical pipe 603 can move on the outer wall of the support plate 605 when the force is applied. The support plate 605 is processed with an opening, and the coal slime can fall into the bottom of the box body 1 through the opening;
[0030] Specifically, on the basis of the above-mentioned embodiment 1, after the coal slime passes through the uniform speed feeding device 5, the coal slime will fall above the buffer device 6. First, the coal slime will fall above the buffer plate 601. The buffer plate 601 will be tilted by the pressure and will press the pulley 602 downward. After the pulley 602 is subjected to the force, it will drive the vertical pipe 603 to move along the outer wall of the support plate 605. At this time, the spring 604 is squeezed by the vertical pipe 603 and begins to compress, thereby reducing the pressure on the vertical pipe 603, thereby reducing the pressure on the buffer plate 601. The fall of the coal slime will be buffered, and then it will fall from the opening processed by the support plate 605 to the bottom of the box body 1 to prevent the falling coal slime from damaging the equipment.
[0031] Embodiment 4: By Figure 1 and 2It can be seen that the heating device 7 includes: a second servo motor 701, the model of the second servo motor 701 is: ECMA-E11320RS, installed on the outer wall of the box body 1; a second cross bar 702, which is rotatably connected to the inner wall of the box body 1 through a bearing and is fixedly connected to the output end of the second servo motor 701; a plurality of stirring rods 703 are provided, and are respectively installed on the outer wall of the second cross bar 702; a heater 704, the model of the heater 704 is not limited, and it can meet the use requirements, and two are provided. , and are respectively installed on the inner walls of both sides of the box body 1; the filter screen 705 is installed on the inner wall of the box body 1; the stirring rod 703 can stir the coal slime to ensure that all the coal slime is heated, the heater 704 can dry the moisture of the coal slime, and the water vapor generated during heating can be discharged from the box body 1 through the filter screen 705; wherein, the second servo motor 701 drives the second cross bar 702 to drive the stirring rod 703 to stir the coal slime, the heater 704 can heat the coal slime, and the water vapor can be discharged from the box body 1 through the filter screen 705;
[0032] In the specific implementation process, it is worth pointing out that the stirring rod 703 can stir the coal slime to ensure that all the coal slime is heated, the heater 704 can dry the moisture of the coal slime, and the water vapor generated during heating can be discharged from the box 1 through the filter screen 705;
[0033] Specifically, on the basis of the above-mentioned embodiment 1, when the coal slime falls to the bottom of the box body 1, the external power supply of the heater 704 is turned on, and the heater 704 starts to heat the coal slime after being powered on. At this time, the second servo motor 701 is started by the external power supply, and the second servo motor 701 starts to rotate after being powered on, and drives the second cross bar 702 to rotate. The second cross bar 702 will drive the stirring rod 703 to rotate. Rotating the stirring rod 703 can stir the coal slime, which can ensure that all the coal slime is heated. The water vapor generated during heating can be discharged through the filter 705. After the heating is completed, the staff turns off the second servo motor 701 and the heater 704 to complete the heating operation of the coal slime.
[0034] Embodiment 5: By Figure 1 , 2 As can be seen from Figure 3, the switch device 8 includes: a baffle 801, which is plugged into the inner wall of the discharge port 3, an electric push rod 802, the model of the electric push rod 802 is: TG-700, which is installed on the outer wall of the baffle 801; a concave plate 803, which is arranged on the outer wall of the electric push rod 802 and is sleeved with the baffle 801, and the outer wall of the concave plate 803 is fixedly connected to the outer wall of the box body 1; the baffle 801 can move on the inner wall of the concave plate 803 when subjected to force, and the electric push rod 802 is provided with an external power supply, and the staff can control the switch and extension of the electric push rod 802 through the external power supply; wherein, the electric push rod 802 drives the baffle 801 to move along the inner wall of the concave plate 803, and the unloading operation of the coal slime can be controlled;
[0035] In the specific implementation process, it is worth pointing out that the baffle 801 can move on the inner wall of the concave plate 803 when subjected to force;
[0036] Specifically, on the basis of the above-mentioned embodiment 1, when the coal slime is heated, the staff controls the electric push rod 802 to retract through an external power supply. When the electric push rod 802 is retracted, it will drive the baffle 801 to separate from the inner wall of the discharge port 3 and move along the inner wall of the concave plate 803. At this time, the coal slime falls out of the discharge port 3 due to gravity. The area of the retracted baffle 801 can affect the falling amount of the coal slime. When all the coal slime is discharged, the staff controls the electric push rod 802 to extend through an external power supply until the electric push rod 802 pushes the baffle 801 to complete the connection with the inner wall of the discharge port 3, and the electric push rod 802 stops working. At this time, new coal slime can be poured into the box 1 to repeat the above-mentioned operation.
[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A feeding device for a coal slime heavy medium cyclone, comprising a housing (1), characterized in that: The top of the box (1) is provided with a feed port (2), the bottom of the box (1) is provided with a discharge port (3), and the outer walls on both sides of the box (1) are provided with connecting plates (4). The coal slime heavy medium cyclone feeding device further comprises: A uniform speed feeding device (5) is arranged inside the feeding port (2); A buffer device (6) installed inside the box (1); A heating device (7) is arranged below the buffer device (6); A switch device (8) is installed at the bottom of the box (1); The uniform speed feeding device (5) can feed the coal slime at a constant speed and in a quantitative manner, the buffer device (6) can buffer the falling coal slime, the heating device (7) can heat the coal slime, and the switch device (8) can control the feeding of the coal slime.
2. A coal slime heavy medium cyclone feeding device according to claim 1, characterized in that: The uniform speed feeding device (5) comprises: A first servo motor (501) is mounted on the outer wall of the feed port (2); A first crossbar (502) is rotatably connected to the inner wall of the feed port (2) via a bearing and is fixedly connected to the output end of the first servo motor (501); A feed roller (503) is arranged on the outer wall of the first cross bar (502) and is in contact with the inner wall of the feed opening (2); The first servo motor (501) can drive the first crossbar (502) to drive the unloading roller (503) to rotate regularly, thereby realizing a timed and quantitative unloading operation.
3. A coal slime heavy medium cyclone feeding device according to claim 1, characterized in that: The buffer device (6) comprises: A buffer plate (601) is mounted on the inner wall of the box body (1) via a pin; A pulley (602) is arranged below the buffer plate (601); A vertical pipe (603) is installed below the pulley (602); A spring (604) is arranged on the inner wall of the vertical tube (603); A support plate (605) is inserted into the inner wall of the vertical tube (603) and is tightly abutted against the bottom of the spring (604); the outer wall of the support plate (605) is fixedly connected to the inner wall of the box body (1); When the coal slime falls onto the buffer plate (601), the buffer plate (601) presses down the pulley (602) to make the vertical pipe (603) compress the spring (604) to move on the outer wall of the support plate (605), thereby performing a buffering operation on the falling of the coal slime.
4. A coal slime heavy medium cyclone feeding device according to claim 1, characterized in that: The heating device (7) comprises: A second servo motor (701) is mounted on the outer wall of the box (1); A second crossbar (702) is rotatably connected to the inner wall of the box body (1) via a bearing and is fixedly connected to the output end of the second servo motor (701); A plurality of stirring rods (703) are provided and are respectively mounted on the outer wall of the second cross bar (702); Two heaters (704) are provided and are respectively installed on the inner walls of both sides of the box (1); A filter screen (705) is installed on the inner wall of the box (1); The second servo motor (701) drives the second crossbar (702) to drive the stirring rod (703) to stir the coal slime, the heater (704) can heat the coal slime, and water vapor can be discharged from the box (1) through the filter screen (705).
5. The coal slime heavy medium cyclone feeding device according to claim 1, characterized in that: The switch device (8) comprises: The baffle (801) is plugged into the inner wall of the discharge port (3). An electric push rod (802) is mounted on the outer wall of the baffle (801); A concave plate (803) is arranged on the outer wall of the electric push rod (802) and is sleeved with the baffle (801); the outer wall of the concave plate (803) is fixedly connected to the outer wall of the box body (1); The electric push rod (802) drives the baffle plate (801) to move along the inner wall of the concave plate (803), thereby controlling the discharge operation of the coal slime.