Coal washing device and method capable of accurately adjusting jet washing direction

Abstract

The invention relates to the technical field of mining mechanical equipment, in particular to a coal washing device capable of accurately adjusting the jet washing direction and a washing method. Comprising a T-shaped split-flow conveying table, the two ends of the T-shaped split-flow conveying table are connected with a centralized split-flow table and a uniform split-flow table respectively, and a conveying partition table is arranged at the lower end of the uniform split-flow table; a jet washing table is fixed on the T-shaped flow-dividing conveying table, and a plurality of stage conveying extruders are uniformly arranged on the uniform flow-dividing table; the T-shaped split-flow conveying table comprises a T-shaped conveying table; the coal washing and selecting device has the beneficial effects that the problems that existing coal washing and selecting devices are uneven in the aspect of automation control degree, part of small coal preparation plants still depend on manual operation to adjust washing parameters, labor intensity is high, and stability of washing and selecting quality is difficult to guarantee are solved; the problem that coal briquettes cannot be accurately, efficiently and comprehensively washed in the conveying process is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of mining machinery and equipment, and more specifically, to a coal washing device and a washing method capable of precisely adjusting the jet washing direction. Background Art

[0002] Currently, the washing devices commonly used in the coal washing industry mainly include a fixed nozzle type washing system and a simple swinging type washing mechanism. The fixed nozzle type washing system has a simple structure, but its washing direction is fixed and cannot be adjusted according to the actual washing situation, easily resulting in washing dead corners and unsatisfactory washing effects. Although the simple swinging type washing mechanism can change the washing direction within a certain range, the swinging angle is limited and the adjustment accuracy is low, making it difficult to meet the requirements of complex and changeable coal washing processes; In addition, the existing coal washing devices also vary in terms of automation control level; some small coal preparation plants still rely on manual operation to adjust the washing parameters, which not only has a high labor intensity but also makes it difficult to ensure the stability of the washing quality; while some large modern coal preparation plants use an automated control system, but there are still deficiencies in the precise control of the washing direction and the coordinated optimization with other washing links; for example, a coal washing device and its washing method with the patent number CN202210747537.9, belonging to the technical field of coal washing, including a main body, a mobile conveyor platform is provided on the main body, a storage basket is placed on the mobile conveyor platform, a screening mechanism is slidably connected inside the main body, a crushing mechanism is provided above the screening mechanism inside the main body, a reciprocating mechanism is also provided on the main body, the two ends of the main body are symmetrically provided with a first arc track and a second arc track, the other end of the first arc track is fixedly connected to the mobile conveyor platform, a movable groove is provided on the first arc track, a rack is provided in the movable groove, a limiting groove is provided in the second arc track, a moving part is slidably provided on the limiting groove, and a robotic arm is also provided on the moving part; through the meshing between gears, the invention can drive the crushing and screening with one driving source, and then the robotic arm transports the large particle coal in the storage basket to the crushing port through the cooperation of gears and racks, and a braking switch door device is provided at the bottom of the storage basket to automatically unload materials: but this device cannot automatically perform precise, efficient, and all-round washing on the coal blocks during transportation. Summary of the Invention

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the problems in the prior art that the existing coal washing devices vary in terms of automation control level, some small coal preparation plants still rely on manual operation to adjust the washing parameters, which not only has a high labor intensity but also makes it difficult to ensure the stability of the washing quality, and to solve the problem of being unable to automatically perform precise, efficient, and all-round washing on the coal blocks during transportation.

[0004] To this end, the adopted technical solution is that a coal washing device and a washing method capable of precisely adjusting the jet washing direction according to the present invention include a T-shaped shunt transportation platform. The two ends of the T-shaped shunt transportation platform are respectively connected to a centralized shunt platform and a uniform shunt platform. A transportation separation platform is arranged at the lower end of the uniform shunt platform; a jet washing platform is fixed on the T-shaped shunt transportation platform, and a plurality of stage transportation extruders are uniformly arranged on the uniform shunt platform.

[0005] Preferably, the T-shaped shunt transportation platform includes a T-shaped transportation platform. Turning slope platforms are respectively fixed at the two ends of the T-shaped transportation platform for connecting the centralized shunt platform and the uniform shunt platform. A receiving slope plate is fixed on the T-shaped transportation platform, and an extension insertion plate is inserted on the receiving slope plate; two transporters are arranged in a T-shape inside the T-shaped transportation platform. A plurality of water filtering holes are uniformly arranged on the transporter connected to the two turning slope platforms; a plurality of water filtering holes are all communicated with a recovery water tank, and a recovery pipe is arranged on the recovery water tank.

[0006] Preferably, the jet washing platform includes a transportation washing platform, and the inner wall of the transportation washing platform is arc-shaped; a positive and negative frequency converter is fixed at the side end of the transportation washing platform through a motor base, and the positive and negative frequency converter drives a screw propeller to rotate inside the transportation washing platform through gear meshing.

[0007] Preferably, a lifting screw driver is fixed at the upper end of the transportation washing platform through a motor extension base, and the lifting screw driver drives a washing fixed insertion platform to longitudinally slide inside the transportation washing platform through screw cooperation.

[0008] Preferably, a washing shunt pipe is fixed on the washing fixed insertion platform, and a central connection pipe head is arranged at the center of the upper end of the washing shunt pipe; a plurality of shunt pipes at the lower end of the washing shunt pipe are all fixed and communicated with a plurality of spherical heads; a plurality of spherical heads respectively rotate inside a plurality of ball groove head pipes.

[0009] Preferably, a hinged short shaft is fixed at the side end of the ball groove head pipe; the ball groove head pipe is hinged to a swing driver through the hinged short shaft; the swing driver longitudinally slides on the washing fixed insertion platform.

[0010] Preferably, the swing driver includes a driving motor. The driving motor longitudinally slides on the washing fixed insertion platform through a motor base. An adjusting screw is rotatably arranged on the motor base of the driving motor, and the adjusting screw is connected to the washing fixed insertion platform through screw cooperation; the transmission shaft of the driving motor is fixed at the side end of a driving rod, and the driving rod is hinged to one end of a hinged rod, and the other end of the hinged rod is hinged to the ball groove head pipe through a short shaft.

[0011] Preferably, the lower side of the tail end of the uniform shunt platform is rotatably connected to the transportation separation platform through a rotating shaft, and a partition plate is fixed on the transportation separation platform for uniformly dispersing the transported coal.

[0012] Preferably, the stage transportation extruder includes a plurality of extrusion platforms, which are arranged side by side horizontally. The extrusion platforms are fixed to the lower end of the extrusion shaft, and the extrusion shaft is slidably inserted into the fixed seat. The fixed seat is fixed to the upper end of the uniform diversion platform; a top frame is fixed on the fixed seat, and an extrusion top plate is fixed on the extrusion shaft; an extrusion spring is arranged between the extrusion top plate and the top frame, and the extrusion spring is sleeved on the extrusion shaft.

[0013] A coal washing method capable of precisely adjusting the jet washing direction includes the following steps: S1: Connect the collected coal blocks to the T-shaped diversion transportation platform for transportation; S2: The coal blocks falling onto the T-shaped diversion transportation platform are washed by the jet washing platform and the transportation direction is selected; S3: Push the coal blocks with a larger batch size through the T-shaped diversion transportation platform to the centralized diversion platform for transportation; S4: Push the coal blocks with a smaller batch size through the T-shaped diversion transportation platform to the uniform diversion platform for transportation, and perform extrusion and leveling through multiple stage transportation extruders on the uniform diversion platform; S5: The coal blocks passing through the uniform diversion platform fall into the transportation separation platform for decentralized transportation.

[0014] Other features and advantages of the present invention will be described in the following specification, and, in part, will be obvious from the specification, or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained through the structures specifically pointed out in this application document.

[0015] The following will further describe the technical solutions of the present invention in detail through the drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, and do not constitute a limitation to the present invention. In the drawings: Figure 1 is the first-direction structural schematic diagram of the whole of the present invention; Figure 2 is the second-direction structural schematic diagram of the whole of the present invention; Figure 3 is the connection structural schematic diagram of the T-shaped diversion transportation platform of the present invention; Figure 4 is the connection structural schematic of the T-shaped diversion transportation platform of the present invention Figure 1 ; Figure 5 is the connection structural schematic of the T-shaped diversion transportation platform of the present invention Figure 2 ; Figure 6 is the structural schematic of the jet washing platform of the present inventionFigure 1 ; Figure 7 is a schematic structural view of the jet flushing table of the present invention Figure 2 ; Figure 8 is a schematic structural view of the screw propeller of the present invention; Figure 9 is a schematic structural view of the flushing shunt pipe of the present invention Figure 1 ; Figure 10 is a schematic structural view of the flushing shunt pipe of the present invention Figure 2 ; Figure 11 is a schematic structural view of the flushing shunt pipe of the present invention Figure 3 ; Figure 12 is a schematic structural view of the flushing shunt pipe of the present invention Figure 4 ; Figure 13 is a schematic structural view of the flushing shunt pipe of the present invention Figure 5 ; Figure 14 is a schematic structural view of the uniform shunt table of the present invention; Figure 15 is a schematic structural view of the transportation partition table of the present invention; Figure 16 is a schematic structural view of the stage transportation extruder of the present invention.

[0017] In the figure: T-shaped shunt transportation table 1; centralized shunt table 2; uniform shunt table 3; transportation partition table 4; jet flushing table 5; stage transportation extruder 6; receiving slope plate 7; extending insertion plate 8; T-shaped transportation table 9; transporter 10; water filtering holes 11; turning slope table 12; recovery water tank 13; transportation flushing table 14; positive and negative frequency converter 15; screw propeller 16; lifting screw driver 17; flushing fixed insertion table 18; flushing shunt pipe 19; spherical head 20; swing driver 21; spherical groove head pipe 22; drive motor 25; drive rotating rod 26; articulated rod 27; adjusting screw 28; partition plate 29; extrusion table 30; extrusion shaft 31; fixed seat 32; top frame 33; extrusion spring 34; extrusion top plate 35. Detailed implementation manners

[0018] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0019] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "middle", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. The terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0020] In addition, unless otherwise clearly specified and defined, terms such as "installed", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0021] In the present application, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.

[0022] Embodiment 1 As Figure 1 — Figure 16 shown, a coal washing device and a washing method capable of precisely adjusting the jet flushing direction include a T-shaped shunt transportation table 1. The two ends of the T-shaped shunt transportation table 1 are respectively connected to a centralized shunt table 2 and a uniform shunt table 3. A transportation separation table 4 is arranged at the lower end of the uniform shunt table 3; a jet flushing table 5 is fixed on the T-shaped shunt transportation table 1, and a plurality of stage transportation extruders 6 are uniformly arranged on the uniform shunt table 3.

[0023] The working principle and beneficial effects of this embodiment are as follows: The collected coal blocks are connected to the T-shaped shunt conveyor 1 for transportation; the coal blocks falling into the T-shaped shunt conveyor 1 are washed through the jet washing table 5, and in combination with the transportation direction of the screw propeller and transporter 10, the transportation directions of coal blocks of different batch sizes are selected according to requirements; the coal blocks with a larger batch size are pushed by the T-shaped shunt conveyor 1 to the centralized shunt table 2 for transportation; the large coal blocks here need to be crushed into pieces for actual use, so they need to be separately crushed after washing; the coal blocks with a smaller batch size are pushed by the T-shaped shunt conveyor 1 to the uniform shunt table 3 for transportation, and are extruded and leveled by the multi-stage transportation extruder 6 on the uniform shunt table 3; the coal blocks passing through the uniform shunt table 3 fall into the transportation separation table 4 for dispersed transportation; thus, the effect of uniform transportation and dispersion is achieved, and the effect of uniform dispersion during transportation to different locations is achieved. Compared with the traditional fixed nozzle type washing system, its structure is simple, but its washing direction is fixed and cannot be adjusted according to the actual washing situation, easily resulting in washing dead corners and unsatisfactory washing effects; through the use of the jet washing table 5 in cooperation with the transportation of the transporter 10, the problem that the traditional simple swing type washing mechanism can change the washing direction within a certain range, but the swing angle is limited, the adjustment accuracy is low, and it is difficult to meet the requirements of complex and changeable coal washing processes is solved, and further the problem of being unable to automatically wash the coal blocks accurately, efficiently, and comprehensively during transportation is solved.

[0024] Embodiment 2 As Figure 1 — Figure 16 shown, a coal washing device and washing method capable of precisely adjusting the jet washing direction, the T-shaped shunt conveyor 1 includes a T-shaped conveyor 9, and turning slope platforms 12 are respectively fixed at both ends of the T-shaped conveyor 9 for connecting the centralized shunt table 2 and the uniform shunt table 3. A receiving slope plate 7 is fixed on the T-shaped conveyor 9, and an extended insertion plate 8 is inserted on the receiving slope plate 7; two transporters 10 are arranged in a T shape inside the T-shaped conveyor 9, and a plurality of water filtering holes 11 are evenly arranged on the transporter 10 connected to the two turning slope platforms 12; a plurality of water filtering holes 11 are all communicated with a recovery water tank 13, and a recovery pipe is arranged on the recovery water tank 13.

[0025] The working principle and beneficial effects of this embodiment are as follows: During the transportation process, the coal blocks fall onto the T-shaped transportation table 9 through the extension insert plate 8 inserted on the connection receiving slope plate 7, and are transported to the horizontal transporter 10 and the jet flushing table 5 by the transporter 10 on the T-shaped transportation table 9; Turning slope platforms 12 are respectively fixed at both ends of the T-shaped transportation table 9 for connecting the centralized diversion table 2 and the uniform diversion table 3. Then, by adjusting the transportation directions of the horizontal transporter 10 and the jet flushing table 5, the washed coal blocks are transported in different directions; Through the spiral agitation transportation in the jet flushing table 5 and in combination with the setting of the initial frequency converter data, when the maximum range of the agitation transportation is reached, the jet flushing table 5 performs corresponding swinging flushing, thereby realizing the efficient flushing of the tumbling transported coal blocks. A plurality of water filtering holes 11 are uniformly arranged on the transporter 10 connected to the two turning slope platforms 12; The plurality of water filtering holes 11 are all connected to the recovery water tank 13. A recovery pipe is arranged on the recovery water tank 13, which is convenient for preventing the accumulated flushing water from affecting the transportation, recovering the water and the impurities it carries into the recovery water tank 13, and then reusing it after filtration to prevent waste of water resources.

[0026] A plurality of transporters 10 of different styles and forms are arranged on the entire device. The transporter 10 can be made of flexible materials such as cloth bag shape, chain shape or acrylic, etc. The principle is similar, and it is transported by motor drive; At the same time, it has a supporting structure inside, and different uses are selected according to different positions. The purpose is to achieve the effect of transporting coal blocks through drive.

[0027] Embodiment 3 As Figure 1 — Figure 16 As shown, a coal washing device and washing method capable of precisely adjusting the jet flushing direction. The jet flushing table 5 includes a transportation and flushing table 14, and the inner wall of the transportation and flushing table 14 is arc-shaped; A positive and negative frequency converter driver 15 is fixed at the side end of the transportation and flushing table 14 through a motor seat, and the positive and negative frequency converter driver 15 drives the spiral propeller 16 to rotate in the transportation and flushing table 14 through gear meshing.

[0028] The working principle and beneficial effects of this embodiment are as follows: The inner wall of the transportation and flushing table 14 is arc-shaped to facilitate the fitting of the spiral propeller 16, so as to immediately tumble and transport the coal blocks without gaps and perform flushing at the same time; By fixing the positive and negative frequency converter driver 15 at the side end of the transportation and flushing table 14 through a motor seat, and the positive and negative frequency converter driver 15 drives the spiral propeller 16 to rotate in the transportation and flushing table 14 through gear meshing. The driving speed and positive and negative driving settings of the positive and negative frequency converter driver 15 need to collect hardware data such as the rotation speed and spiral interval of the spiral propeller 16, and collect them into the frequency converter for combined setting to facilitate the precise cleaning effect.

[0029] Example 4 As Figure 1 — Figure 16 shown, a coal washing device and a washing method capable of precisely adjusting the jet washing direction. The upper end of the transportation and washing table 14 is fixed with a lifting screw driver 17 through a motor extension seat, and the lifting screw driver 17 drives the washing fixed plug table 18 to slide longitudinally in the transportation and washing table 14 through screw cooperation.

[0030] The working principle and beneficial effects of this embodiment are: the upper end of the transportation and washing table 14 is fixed with a lifting screw driver 17 through a motor extension seat. The lifting screw driver 17 drives the screw drive shaft to rotate forward and backward, and drives the washing fixed plug table 18 to slide longitudinally in the transportation and washing table 14 through screw cooperation; it is adjusted in combination with different heights and adapted to use screw propellers 16 of different specifications for adjustment and application.

[0031] Example 5 As Figure 1 — Figure 16 shown, a coal washing device and a washing method capable of precisely adjusting the jet washing direction. A washing shunt pipe 19 is fixed on the washing fixed plug table 18, and a central connection pipe head is arranged at the center of the upper end of the washing shunt pipe 19; a plurality of shunt pipes at the lower end of the washing shunt pipe 19 are all fixed and communicated with a plurality of spherical head pipes 20; a plurality of spherical head pipes 20 respectively rotate in a plurality of spherical groove head pipes 22.

[0032] The working principle and beneficial effects of this embodiment are: by fixing a washing shunt pipe 19 in the washing fixed plug table 18 and connecting the central connection pipe head of the washing shunt pipe 19 to a high-pressure water pipeline, it can be distributed to different pipelines for all-round washing; by fixing and communicating a plurality of shunt pipes at the lower end of the washing shunt pipe 19 with a plurality of spherical head pipes 20, and combining that a plurality of spherical head pipes 20 respectively rotate in a plurality of spherical groove head pipes 22, it is further possible to make a plurality of spherical groove head pipes 22 perform angle adjustment activities at the tail end of the spherical head pipes 20 of the washing shunt pipe 19, and the ports at the lower end of the spherical groove head pipes 22 eject liquid; in cooperation with the drive of the swing driver 21, it further enables precise repositioning of the stirred and transported coal blocks.

[0033] Example 6 As Figure 1 — Figure 16 shown, a coal washing device and a washing method capable of precisely adjusting the jet washing direction. A hinge short shaft is fixed to the side end of the spherical groove head pipe 22; the spherical groove head pipe 22 is hinged to the swing driver 21 through the hinge short shaft; the swing driver 21 slides longitudinally on the washing fixed plug table 18.

[0034] The working principle and beneficial effects of this embodiment are as follows: By controlling the driving swing driver 21, the swing driver 21 is driven through the hinge short shaft at the side end of the hinge ball groove head tube 22; the longitudinal sliding of the swing driver 21 on the flushing fixed insertion table 18 facilitates adaptation to longitudinal adjustment; the swing driver 21 drives a plurality of side-by-side ball groove head tubes 22 to achieve an overall offset, thereby realizing the flushing of the overall swing angle, adapting to the stirring of the screw propeller 16, and performing efficient and all-round precise flushing.

[0035] Embodiment 7 As Figure 1 — Figure 16 As shown, a coal washing device and washing method capable of precisely adjusting the jet flushing direction, the swing driver 21 includes a driving motor 25, the driving motor 25 longitudinally slides on the flushing fixed insertion table 18 through a motor base, an adjusting screw 28 is rotatably arranged on the motor base of the driving motor 25, and the adjusting screw 28 is threadedly connected to the flushing fixed insertion table 18; the transmission shaft of the driving motor 25 is fixed to the side end of the driving rod 26, the driving rod 26 is hinged to one end of the hinge rod 27, and the other end of the hinge rod 27 is hinged to the ball groove head tube 22 through a short shaft.

[0036] The working principle and beneficial effects of this embodiment are as follows: The swing driver 21 includes a driving motor 25, the driving motor 25 is controlled by a frequency converter to perform driving for a specified stroke and time, further adapting to the use of the screw propeller 16 to ensure the most efficient flushing of the coal blocks during the stirring and transportation process; The driving motor 25 longitudinally slides on the flushing fixed insertion table 18 through a motor base, an adjusting screw 28 is rotatably arranged on the motor base of the driving motor 25, by rotating the adjusting screw 28, the adjusting screw 28 is threadedly connected to the flushing fixed insertion table 18, so as to adjust the motor base of the driving motor 25, and then adapt to the adjustment; since the transmission shaft of the driving motor 25 is fixed to the side end of the driving rod 26, the driving rod 26 is hinged to one end of the hinge rod 27, thus enabling the driving rod 26 to rotate, and the other end of the hinge rod 27 is hinged to the ball groove head tube 22 through a short shaft, the driving rod 26 drives a plurality of side-by-side ball groove head tubes 22 to adjust the swing angle, adapting to the stirring and transportation, and thus realizing the most efficient and precise flushing within the largest range.

[0037] Embodiment 8 As Figure 1 — Figure 16 As shown, a coal washing device and washing method capable of precisely adjusting the jet flushing direction, the lower side of the tail end of the uniform flow splitting table 3 is rotatably connected to the transportation partition table 4 through a rotating shaft, and a partition plate 29 is fixed on the transportation partition table 4 for evenly dispersing the transported coal.

[0038] The working principle and beneficial effects of this embodiment are as follows: A transportation and separation table 4 is rotationally connected to the lower side of the tail end of the uniform diversion table 3 through a rotating shaft. The angle of the rotating transportation and separation table 4 is adjusted to transport and regulate the coal blocks that have been evenly dispersed after extrusion. The separation plates 29 on the transportation and separation table 4 are used to evenly disperse the transported coal, thereby facilitating uniform dispersion to different transportation tracks for decentralized transportation.

[0039] Embodiment 9 As Figure 1 — Figure 16 As shown, a coal washing device and washing method capable of precisely adjusting the jet washing direction. The staged transportation and extruder 6 includes a plurality of extrusion tables 30, which are arranged side by side horizontally between the plurality of extrusion tables 30. The extrusion tables 30 are fixed to the lower end of the extrusion shaft 31, and the extrusion shaft 31 is slidably inserted into the fixed seat 32. The fixed seat 32 is fixed to the upper end of the uniform diversion table 3; a top frame 33 is fixed on the fixed seat 32, and an extrusion top plate 35 is fixed on the extrusion shaft 31; an extrusion spring 34 is arranged between the extrusion top plate 35 and the top frame 33, and the extrusion spring 34 is sleeved on the extrusion shaft 31.

[0040] The working principle and beneficial effects of this embodiment are as follows: The coal blocks falling on the uniform diversion table 3 are transported through the transporter 10 and sequentially pass through a plurality of staged transportation and extruders 6. The plurality of extrusion tables 30 on the staged transportation and extruder 6 are arranged side by side horizontally. The extrusion tables 30 are fixed to the lower end of the extrusion shaft 31, and the extrusion shaft 31 is slidably inserted into the fixed seat 32 for longitudinal sliding; the fixed seat 32 is fixed to the upper end of the uniform diversion table 3 to play a supporting role; a top frame 33 is fixed on the fixed seat 32, and an extrusion top plate 35 is fixed on the extrusion shaft 31; it is convenient for the top frame 33 to extrude the extrusion spring 34; an extrusion spring 34 is arranged between the extrusion top plate 35 and the top frame 33, and the extrusion spring 34 is sleeved on the extrusion shaft 31. Thus, the transported coal blocks are subjected to the extrusion of the extrusion spring 34 on the plurality of extrusion tables 30, achieving the effect of leveling the coal blocks and also crushing some of the coal blocks; at the same time, the elastic settings of the sequentially passed extrusion springs 34 are different, and the elastic acting forces gradually increase, achieving the effect of partial extrusion and crushing.

[0041] Embodiment 10: A coal washing method capable of precisely adjusting the jet washing direction includes the following steps: S1: Connect the collected coal blocks to the T-shaped diversion transportation table 1 for transportation; S2: The coal blocks falling into the T-shaped diversion transportation table 1 are washed by the jet washing table 5 and the transportation direction is selected; S3: Push the batch of larger coal blocks through the T-shaped diversion transportation table 1 to the centralized diversion table 2 for transportation; S4: Push the smaller batch of coal lumps through the T-shaped shunt conveyor table 1 to the uniform shunt table 3 for transportation, and perform extrusion and leveling through the multi-stage transportation extruder 6 on the uniform shunt table 3; S5: The coal lumps passing through the uniform shunt table 3 fall into the transportation separation table 4 for decentralized transportation.

[0042] The above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions, or substitutions made by those of ordinary skill in the art within the scope of the essence of the present invention also fall within the protection scope of the present invention.

Claims

1. A coal washing device capable of precisely adjusting the jet flushing direction, characterized in that: It includes a T-shaped shunt transport platform (1), with both ends of the T-shaped shunt transport platform (1) connected to a centralized shunt platform (2) and a uniform shunt platform (3) respectively. A transport partition platform (4) is arranged at the lower end of the uniform shunt platform (3); a jet flushing platform (5) is fixed on the T-shaped shunt transport platform (1), and a plurality of stage conveying extruders (6) are evenly arranged on the uniform shunt platform (3).

2. The coal washing device capable of precisely adjusting the jet washing direction according to claim 1, wherein: The described T-shaped shunt transport platform (1) includes a T-shaped transport platform (9). At both ends of the T-shaped transport platform (9), turning slope platforms (12) are respectively fixed for connecting the centralized shunt platform (2) and the uniform shunt platform (3). A receiving slope plate (7) is fixed on the T-shaped transport platform (9), and an extension plug plate (8) is inserted on the receiving slope plate (7); two transporters (10) are arranged in a T-shape inside the T-shaped transport platform (9). A plurality of water filtering holes (11) are evenly arranged on the transporter (10) connected to the two turning slope platforms (12); a plurality of water filtering holes (11) are all connected and arranged on a recovery water tank (13), and a recovery pipe is arranged on the recovery water tank (13).

3. The coal washing device capable of precisely adjusting the jet washing direction according to claim 2, wherein: The described jet flushing platform (5) includes a transport flushing platform (14), and the inner wall of the transport flushing platform (14) is arc-shaped; a positive and negative frequency converter (15) is fixed at the side end of the transport flushing platform (14) through a motor base, and the positive and negative frequency converter (15) drives a screw propeller (16) to rotate inside the transport flushing platform (14) through gear meshing.

4. The coal washing device capable of precisely adjusting the jet flushing direction according to claim 3, wherein: At the upper end of the described transport flushing platform (14), a lifting screw driver (17) is fixed through a motor extension base, and the lifting screw driver (17) drives a flushing fixed plug platform (18) to longitudinally slide inside the transport flushing platform (14) through screw cooperation.

5. The coal washing device capable of precisely adjusting the jet washing direction according to claim 4, characterized in that: A flushing shunt pipe (19) is fixed on the described flushing fixed plug platform (18). A central connection pipe head is arranged at the center of the upper end of the flushing shunt pipe (19); a plurality of shunt pipes at the lower end of the flushing shunt pipe (19) are all fixed and connected to a plurality of spherical head tubes (20); a plurality of spherical head tubes (20) respectively rotate inside a plurality of ball groove head tubes (22).

6. The coal washing device capable of precisely adjusting the jet flushing direction according to claim 5, characterized in that: A hinged short shaft is fixed at the side end of the described ball groove head tube (22); the ball groove head tube (22) is hinged to a swing driver (21) through the hinged short shaft; the swing driver (21) longitudinally slides on the flushing fixed plug platform (18).

7. A coal washing device capable of precisely adjusting the jet washing direction according to claim 6, characterized in that: The described swing driver (21) includes a driving motor (25). The driving motor (25) longitudinally slides on the flushing fixed plug platform (18) through a motor base. An adjusting screw rod (28) is rotatably arranged on the motor base of the driving motor (25), and the adjusting screw rod (28) is connected to the flushing fixed plug platform (18) through screw cooperation; the transmission shaft of the driving motor (25) is fixed at the side end of a driving rotating rod (26), and the driving rotating rod (26) is hinged to one end of a hinged rod (27), and the other end of the hinged rod (27) is hinged to the ball groove head tube (22) through a short shaft.

8. The coal washing device capable of precisely adjusting the jet washing direction according to claim 2, wherein: The lower side of the tail end of the described uniform shunt platform (3) is rotationally connected to the transport partition platform (4) through a rotating shaft. A partition plate (29) is fixed on the transport partition platform (4) for evenly dispersing the transported coal.

9. The coal washing device capable of precisely adjusting the jet flushing direction according to claim 8, wherein: The described stage conveying extruder (6) includes a plurality of extrusion platforms (30) arranged side by side horizontally. The extrusion platforms (30) are fixed to the lower end of the extrusion shaft (31). The extrusion shaft (31) is slidably inserted into the fixed seat (32), and the fixed seat (32) is fixed to the upper end of the uniform flow splitting platform (3). A top frame (33) is fixed to the fixed seat (32), and an extrusion top plate (35) is fixed to the extrusion shaft (31). An extrusion spring (34) is arranged between the extrusion top plate (35) and the top frame (33), and the extrusion spring (34) is sleeved on the extrusion shaft (31).

10. A coal washing method capable of precisely adjusting the jet flushing direction, applicable to a coal washing device capable of precisely adjusting the jet flushing direction according to any one of claims 1-9, characterized in that: It includes the following steps: S1: Connect the collected coal blocks to the T-shaped flow splitting and conveying platform (1) for conveyance; S2: The coal blocks falling onto the T-shaped flow splitting and conveying platform (1) are washed by the spraying and rinsing platform (5) and the transportation direction is selected; S3: Push the larger batch of coal blocks through the T-shaped flow splitting and conveying platform (1) to the centralized flow splitting platform (2) for conveyance; S4: Push the smaller batch of coal blocks through the T-shaped flow splitting and conveying platform (1) to the uniform flow splitting platform (3) for conveyance, and perform extrusion and leveling on the uniform flow splitting platform (3) through a plurality of stage conveying extruders (6); S5: The coal blocks passing through the uniform flow splitting platform (3) fall into the transportation separation platform (4) for decentralized conveyance.

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