Mining mud separation device

Abstract

The invention discloses a mining mud separation device, and relates to the technical field of mining industry. Comprising a rotating shaft which is obliquely arranged and provided with a spiral piece, a motor is arranged at the end of the lower end of the rotating shaft to form a rotating assembly, the rotating assembly is rotationally arranged in an inner cylinder, the inner cylinder, the rotating shaft and the spiral piece form a spiral transmission channel, an inlet is formed in the top of the inner cylinder, an outlet is formed in the bottom of the inner cylinder, the inner cylinder is sleeved with an oblique outer cylinder, and a gap channel between the outer cylinder and the inner cylinder is divided into different areas. Slurry sequentially enters an outer barrel inlet and a slurry inlet channel through a dredge pump, part of liquid enters the upper area of a first filtering channel through holes, the rest slurry enters a spiral transmission channel, and the other part of liquid enters the upper area of the first filtering channel through holes. After being filtered again, the liquid enters the lower area and enters the second collecting tank through the second outlet of the outer barrel, the remaining slurry enters the second filtering channel, the filtered liquid enters the second collecting tank, the remaining slurry enters the first collecting tank through the first outlet of the outer barrel, and multi-stage dry-wet separation is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of mining industry, and in particular to a mining mud separation device. Background Art

[0002] During mining operations, a large amount of mud is produced.

[0003] These muds contain useful mineral particles and a large amount of water and other components. In order to achieve effective recycling of resources and reduce environmental pollution, the mining mud needs to be separated into dry and wet parts.

[0004] The existing mining mud separation devices have problems such as low separation efficiency and poor separation effect, which makes it difficult to meet the needs of efficient and multi-stage separation of mud in actual production.

[0005] The structural design of some traditional separation devices is not reasonable enough to achieve sufficient filtration of the mud and effective separation of liquid and solid, resulting in the mud after separation still containing a lot of water, or the separated liquid containing a lot of solid impurities, reducing the recovery rate and utilization value of resources.

[0006] Therefore, it is of great practical significance to develop a mining mud separation device that can achieve efficient, multi-stage dry-wet separation. Summary of the invention

[0007] In view of the above technical problems, the present application solves the problem of multi-stage dry-wet separation of mud.

[0008] In order to achieve the above-mentioned purpose, the technical solution adopted in the present application is: a mining mud separation device, comprising an inclined rotating shaft, the outer part of the rotating shaft is spirally provided with a spiral blade along the axial direction, the lower end of the rotating shaft is provided with a motor, and the rotating shaft, the spiral blade and the motor together form a rotating assembly;

[0009] The rotating assembly is rotatably arranged in an inner cylinder that is synchronously inclined, the rotating shaft, the spiral sheet and the inner circumferential wall of the inner cylinder jointly form a spiral transmission channel, the top of the inner cylinder close to the motor is provided with an inner cylinder inlet that is connected to the input end of the spiral transmission channel, and the bottom of the inner cylinder away from the motor is provided with an inner cylinder outlet that is connected to the output end of the spiral transmission channel;

[0010] The outer sleeve of the inner cylinder is provided with an outer cylinder arranged synchronously and tilted, and an annular gap channel is formed between the outer peripheral wall of the inner cylinder and the inner peripheral wall of the outer cylinder. The gap channel is divided into a mud inlet channel at the top position, a pair of first filter channels symmetrically located in the middle position, and a second filter channel at the bottom position by an axially arranged arc-shaped isolation plate. The arc-shaped isolation plate is in an arc shape, and the bottom position of the outer side of the arc-shaped isolation plate is tangentially connected to the bottom of the outer side of the inner cylinder. The arc-shaped isolation plate is provided with a second filter hole, so that the mud inlet channel is connected with the first filter channel;

[0011] The top of the outer cylinder is provided with a plurality of outer cylinder inlets connected with the mud inlet channel, the inner cylinder outlet is connected with the second filter channel, the area formed by the middle and lower sections, the middle section and the middle and upper sections of the bottom of the second filter channel is provided with a filter plate, the filter plate is provided with filter holes, the lower side end of the second filter channel is provided with an outer cylinder first outlet, and the lower side end of the first filter channel is provided with an outer cylinder second outlet.

[0012] In order to better implement the present invention, further, the end of the lower end of the rotating shaft is provided with a connecting groove, the connecting groove is provided with a bolt hole, the end of the high end of the rotating shaft is provided with an annular groove, the output end of the motor is provided with a connecting block, the connecting block is provided with a connecting hole, the connecting block is inserted into the connecting groove, and the connecting hole of the connecting block is connected to the bolt hole by a bolt;

[0013] A rotating hole is provided inside the lower end of the inner cylinder, a rotating shaft support plate is provided inside the high end of the inner cylinder, a cylinder cover is sleeved on the end of the high end of the inner cylinder, a rotating connection cavity is formed between the rotating shaft support plate and the cylinder cover, a connecting cylinder is provided on the inner bottom surface of the cylinder cover, an axial limiting hole is provided on the outside of the connecting cylinder, the end of the high end of the rotating shaft passes through the rotating hole in the center of the rotating shaft support plate, and is rotatably inserted in the connecting cylinder, a first screw is threadedly connected to the axial limiting hole of the connecting cylinder, and the bottom of the first screw extends out of the axial limiting hole of the connecting cylinder and is placed in the annular groove.

[0014] In order to better implement the present invention, further, a first filter hole connected to the spiral transmission channel is opened on the outside of the inner tube, and the first filter hole is located at the upper section or the upper middle section of the first filter channel, so that the spiral transmission channel is connected to the first filter channel.

[0015] In order to better implement the present invention, further, the end surfaces of both ends of the outer cylinder are provided with threaded connection holes, and the outer peripheral wall surfaces on the front and rear sides of the outer cylinder are provided with filter windows that penetrate the interior of the first filter channel.

[0016] The filter window is detachably provided with a movable filter assembly, the inner side of the movable filter assembly is provided with a filter core, and the filter core divides the first filter channel into an upper and lower area, and the upper and lower areas are connected through the filter hole of the filter core, and the first filter hole is located in the upper area of ​​the first filter channel;

[0017] Both end portions of the movable filter assembly are provided with end face folds, and the end face folds are provided with connecting holes, and the connecting holes of the end face folds are connected to the threaded connecting holes through a second screw.

[0018] In order to better implement the present invention, further, a plurality of mud suction pumps are arranged on the top of the outer cylinder, the output end of the mud suction pump is connected with the inlet of the outer cylinder, and the input end of the mud suction pump is arranged with a suction pipe.

[0019] In order to better realize the present invention, further, the separation device also includes a base, the upper surface of the base is provided with a first collecting tank, the output end of the first outlet of the outer cylinder is located in the first collecting tank, and a second collecting tank is provided directly above the first collecting tank through a pair of first supporting columns, the outer contour of one end of the second collecting tank is sealed and connected with the outer contour of the lower end of the dredge suction pump, and the inner bottom surface of the other end of the second collecting tank is connected with the bottom of the high end of the dredge suction pump through the second supporting column;

[0020] The second outlet of the outer cylinder and the vertical projection of the filter plate are both located on the inner bottom surface of the second collecting tank.

[0021] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0022] 1. In the present invention, through the synergistic effect of multiple parts such as the mud entry channel, the first filter channel, the spiral transmission channel and the second filter channel, multi-stage dry-wet separation of the mud is achieved, which can more effectively separate the liquid and solid in the mud, improve the separation effect, make the moisture content of the separated mud lower, and the separated liquid is purer.

[0023] 2. In the present invention, the tilted inner cylinder, outer cylinder, rotating shaft and spiral blades and other structural designs enable the mud to flow and separate along a predetermined path in the device, reducing the residence time of the mud in the device and improving the separation efficiency. At the same time, the reasonable structural design also facilitates the installation, maintenance and operation of the equipment.

[0024] 3. In the present invention, a plurality of filtering components are arranged in the device, such as a second filter hole, a first filter hole, a filter core and a filter plate, etc., which can filter the mud multiple times, effectively reducing the residual solid impurities in the separated liquid, and improving the recovery rate and utilization value of resources.

[0025] 4. In the present invention, the mining mud separation device can meet the separation requirements of mining muds of different properties and components, has strong adaptability and versatility, and can be widely used in mud processing links in various mining operations.

[0026] Significant environmental benefits: Through the effective separation and treatment of mining mud, the discharge of water and solid impurities in the mud is reduced, the pollution to the environment is reduced, and it has good environmental benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative labor.

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 For the present invention Figure 1 A front view of

[0030] Figure 3 For the present invention Figure 2 Sectional view at AA;

[0031] Figure 4 For the present invention Figure 1 A top view of

[0032] Figure 5 For the present invention Figure 4 Cross-sectional view at BB;

[0033] Figure 6 is a schematic diagram of the connecting groove, bolt hole and annular groove in the present invention;

[0034] Figure 7 It is a schematic diagram of the coordination of the rotating shaft, the motor and the cylinder cover in the present invention;

[0035] Figure 8 It is a structural schematic diagram of the inner cylinder in the present invention;

[0036] Fig. 9 For the present invention Figure 8 A front view of

[0037] Fig.10 For the present invention Figure 8 Rear view of

[0038] Fig.11 For the present invention Figure 8 A top view of

[0039] Fig.12 For the present invention Fig.11 Cross-sectional view at CC;

[0040] Fig.13 It is a schematic diagram of the structure of the outer cylinder in the present invention;

[0041] Fig.14 For the present invention Fig.13 Cross-sectional view at DD;

[0042] Fig.15 For the present invention Fig.13 A front view of

[0043] Fig.16 For the present invention Fig.15 EE section view;

[0044] Fig.17 For the present invention Fig.13 A top view of

[0045] Fig.18 For the present invention Fig.17 FF section view;

[0046] Fig.19 It is a schematic diagram of the installation of the movable filter assembly in the present invention;

[0047] Fig. 20 For the present invention Fig.19 Cross-sectional view at GG;

[0048] Fig.21 It is a schematic diagram of the structure of the rotating shaft support plate, the end face folding edge and the second screw rod in the present invention;

[0049] Fig. 22 For the present invention Fig.21 Cross-sectional view at HH.

[0050] In the figure: 101-rotating shaft; 102-spiral sheet; 103-motor; 104-connecting block; 105-bolt; 106-cylinder cover; 107-connecting cylinder; 108-first screw; 109-connecting groove; 110-bolt hole; 111-annular groove; 201-inner cylinder; 202-inner cylinder inlet; 203-inner cylinder outlet; 204-rotating shaft support plate; 205-first filter hole; 206-motor seat; 207-spiral transmission channel; 301-outer cylinder; 302-outer cylinder inlet; 303-outer cylinder first outlet; 304-outer cylinder second outlet; 305-threaded connection hole; 306-filter window; 307-isolation plate; 308-filter plate; 309-mud inlet channel; 310-arc-shaped isolation plate; 311-second filter hole; 312-first filter channel; 313-second filter channel; 314-movable filter assembly; 315-filter element; 316-end face fold; 317-second screw; 401-mud suction pump; 402-suction pipe; 501-base; 502-first collecting tank; 503-first support column; 504-second collecting tank; 505-second support column; 506-output pipeline; 507-opening and closing valve. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0052] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0053] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0054] In the description of this application, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, if the terms "first", "second", etc. appear in the description of this application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0055] In addition, if the terms "horizontal" or "vertical" appear in the description of this application, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0056] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0057] Embodiment 1:

[0058] like Figures 1 to 22 As shown, a mining mud separation device comprises an inclined rotating shaft 101, a spiral blade 102 is spirally arranged on the outside of the rotating shaft 101 in the axial direction, a motor 103 is arranged at the lower end of the rotating shaft 101, and the rotating shaft 101, the spiral blade 102 and the motor 103 together form a rotating assembly;

[0059] The rotating assembly is rotatably arranged in an inner cylinder 201 which is arranged synchronously and tilted. The rotating shaft 101, the spiral sheet 102 and the inner circumferential wall of the inner cylinder 201 jointly form a spiral transmission channel 207. The top of the inner cylinder 201 close to the motor 103 is provided with an inner cylinder inlet 202 which is connected to the input end of the spiral transmission channel 207. The bottom of the inner cylinder 201 away from the motor 103 is provided with an inner cylinder outlet 203 which is connected to the output end of the spiral transmission channel 207.

[0060] The outer sleeve of the inner cylinder 201 is provided with an outer cylinder 301 which is arranged synchronously and tilted, and an annular gap channel is formed between the outer circumferential wall of the inner cylinder 201 and the inner circumferential wall of the outer cylinder 301. The gap channel is divided into a mud inlet channel 309 at the top position, a pair of first filter channels 312 symmetrically located in the middle position, and a second filter channel 313 at the bottom position by an axially arranged arc-shaped isolation plate 310 and an isolation plate 307. The arc-shaped isolation plate 310 is arc-shaped, and the bottom position of the outer side of the arc-shaped isolation plate 310 is tangentially connected to the bottom of the outer side of the inner cylinder 201. The arc-shaped isolation plate 310 is provided with a second filter hole 311, so that the mud inlet channel 309 is connected with the first filter channel 312;

[0061] The top of the outer cylinder 301 is provided with multiple outer cylinder inlets 302 that are connected to the mud inlet channel 309, the inner cylinder outlet 203 is connected to the second filter channel 313, and the area formed by the middle and lower sections, the middle section and the middle and upper sections of the bottom of the second filter channel 313 is provided with a filter plate 308, and the filter plate 308 is provided with filter holes, the lower side end of the second filter channel 313 is provided with an outer cylinder first outlet 303, and the lower side end of the first filter channel 312 is provided with an outer cylinder second outlet 304.

[0062] like Figures 1 to 22 As shown, in this embodiment, a connection groove 109 is provided at the end of the lower end of the rotating shaft 101, and a bolt hole 110 is provided on the connection groove 109. An annular groove 111 is provided at the end of the higher end of the rotating shaft 101. A connection block 104 is provided at the output end of the motor 103, and a connection hole is provided on the connection block 104. The connection block 104 is plugged into the connection groove 109, and the connection hole of the connection block 104 is connected to the bolt hole 110 by a bolt 105.

[0063] A rotating hole is provided inside the lower end of the inner cylinder 201, and a rotating shaft support plate 204 is provided inside the high end of the inner cylinder 201. A cylinder cover 106 is sleeved on the end of the high end of the inner cylinder 201, and a rotating connection cavity is formed between the rotating shaft support plate 204 and the cylinder cover 106. A connecting cylinder 107 is provided on the inner bottom surface of the cylinder cover 106, and an axial limiting hole is provided on the outside of the connecting cylinder 107. The end of the high end of the rotating shaft 101 passes through the rotating hole in the center of the rotating shaft support plate 204 and is rotatably inserted in the connecting cylinder 107. A first screw 108 is threadedly connected to the axial limiting hole of the connecting cylinder 107, and the bottom of the first screw 108 extends out of the axial limiting hole of the connecting cylinder 107 and is placed in the annular groove 111.

[0064] like Figures 1 to 22As shown, in this embodiment, a first filter hole 205 connected to the spiral transmission channel 207 is opened on the outside of the inner cylinder 201, and the first filter hole 205 is located at the upper section or the upper middle section of the first filter channel 312, so that the spiral transmission channel 207 is connected to the first filter channel 312.

[0065] like Figures 1 to 22 As shown, in this embodiment, threaded connection holes 305 are provided on both end faces of the outer cylinder 301, and filter windows 306 that are in communication with the interior of the first filter channel 312 are provided on the outer peripheral wall surfaces on the front and rear sides of the outer cylinder 301.

[0066] The filter window 306 is detachably provided with a movable filter assembly 314, the inner side of the movable filter assembly 314 is provided with a filter core 315, and the filter core 315 divides the first filter channel 312 into an upper and lower area, and the upper and lower areas are connected through the filter hole of the filter core 315, and the first filter hole 205 is located in the upper area of ​​the first filter channel 312;

[0067] Both ends of the movable filter assembly 314 are provided with end face folds 316 , and the end face folds 316 are provided with connection holes. The connection holes of the end face folds 316 are connected to the threaded connection holes 305 via second screws 317 .

[0068] like Figures 1 to 22 As shown, in this embodiment, a plurality of mud suction pumps 401 are arranged on the top of the outer cylinder 301 , the output end of the mud suction pump 401 is connected to the outer cylinder inlet 302 , and the input end of the mud suction pump 401 is arranged with a suction pipe 402 .

[0069] like Figures 1 to 22 As shown, in this embodiment, the separation device also includes a base 501, and a first collecting groove 502 is arranged on the upper surface of the base 501, and the output end of the first outlet 303 of the outer cylinder is located in the first collecting groove 502, and a second collecting groove 504 is arranged directly above the first collecting groove 502 through a pair of first supporting columns 503, and the outer contour of one end of the second collecting groove 504 is sealed and connected with the outer contour of the lower end side of the dredge suction pump 401, and the inner bottom surface of the other end of the second collecting groove 504 is connected with the bottom of the high end side of the dredge suction pump 401 through a second supporting column 505;

[0070] The vertical projections of the second outlet 304 of the outer cylinder and the filter plate 308 are both located on the inner bottom surface of the second collecting tank 504 .

[0071] Working principle:

[0072] The mud enters the mud suction pump 401 through the suction pipe 402, then enters the outer cylinder inlet 302, and then enters the mud inlet channel 309. The mud slides from high to low in the mud inlet channel 309. During this process, part of the mud liquid enters the upper part of the first filter channel 312 through the second filter hole 311. When the remaining mud slides to the lower end of the mud inlet channel 309, the mud enters the spiral transmission channel 207 through the inner cylinder inlet 202, and the driving motor 10 3. Rotate the rotating shaft 101 and the spiral blade 102 to make the mud spirally driven from low to high. During this spiral driving process, another part of the liquid in the mud enters the upper area of ​​the first filter channel 312 through the first filter hole 205. All the liquid in the upper area of ​​the first filter channel 312 is filtered by the filter element 315 again and enters the lower area of ​​the first filter channel 312, and then enters the second collection tank 504 through the second outlet 304 of the outer cylinder for storage;

[0073] At the same time, the remaining mud is further spirally driven to the high end of the spiral drive channel 207 and then enters the second filter channel 313 through the inner tube outlet 203. The mud entering the second filter channel 313 slides from high to low. During this process, this part of the mud is continuously further filtered through the filter plate 308, and the filtered liquid drips into the second collection tank 504 for storage. When the mud slides to the low end side of the second filter channel 313, it enters the first collection tank 502 through the first outlet 303 of the outer tube, thereby realizing efficient, multi-stage dry and wet separation of the mud.

[0074] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mining mud separation device, characterized in that: The invention comprises an inclined rotating shaft (101), the outer part of the rotating shaft (101) is spirally provided with a spiral piece (102) in an axial direction, the lower end of the rotating shaft (101) is provided with a motor (103), and the rotating shaft (101), the spiral piece (102) and the motor (103) together form a rotating assembly; The rotating assembly is rotatably arranged in an inner cylinder (201) that is synchronously tilted, the rotating shaft (101), the spiral sheet (102) and the inner peripheral wall surface of the inner cylinder (201) jointly form a spiral transmission channel (207), the top of the inner cylinder (201) close to the motor (103) is provided with an inner cylinder inlet (202) that is in communication with the input end of the spiral transmission channel (207), and the bottom of the inner cylinder (201) away from the motor (103) is provided with an inner cylinder outlet (203) that is in communication with the output end of the spiral transmission channel (207); The outer portion of the inner cylinder (201) is sleeved with an outer cylinder (301) arranged synchronously and tilted, and an annular gap channel is formed between the outer peripheral wall surface of the inner cylinder (201) and the inner peripheral wall surface of the outer cylinder (301), and the gap channel is divided into a mud inlet channel (309) located at the top position, a pair of first filter channels (312) located symmetrically at the middle position, and a second filter channel (313) located at the bottom position by an axially arranged arc-shaped isolation plate (310) and an isolation plate (307), the arc-shaped isolation plate (310) is arc-shaped, and the bottom position of the outer side of the arc-shaped isolation plate (310) is tangentially connected to the bottom of the outer side of the inner cylinder (201), and a second filter hole (311) is opened on the arc-shaped isolation plate (310), so that the mud inlet channel (309) is connected to the first filter channel (312); The top of the outer cylinder (301) is provided with a plurality of outer cylinder inlets (302) which are connected to the mud inlet channel (309); the inner cylinder outlet (203) is connected to the second filter channel (313); a filter plate (308) is provided in the area formed by the middle and lower sections, the middle section and the middle and upper sections at the bottom of the second filter channel (313); filter holes are provided through the filter plate (308); the lower side end of the second filter channel (313) is provided with an outer cylinder first outlet (303); the lower side end of the first filter channel (312) is provided with an outer cylinder second outlet (304).

2. A mining mud separation device according to claim 1, characterized in that: The end of the rotating shaft (101) on the lower end is provided with a connection groove (109), a bolt hole (110) is provided on the connection groove (109), the end of the rotating shaft (101) on the higher end is provided with an annular groove (111), the output end of the motor (103) is provided with a connection block (104), a connection hole is provided on the connection block (104), the connection block (104) is inserted into the connection groove (109), and the connection hole of the connection block (104) is connected to the bolt hole (110) by means of a bolt (105); A rotation hole is provided inside the lower end of the inner cylinder (201), a shaft support plate (204) is provided inside the higher end of the inner cylinder (201), a cylinder cover (106) is sleeved on the end of the higher end of the inner cylinder (201), a rotation connection cavity is formed between the shaft support plate (204) and the cylinder cover (106), a connecting cylinder (107) is provided on the inner bottom surface of the cylinder cover (106), an axial limiting hole is provided on the outside of the connecting cylinder (107), the end of the higher end of the shaft (101) passes through the rotation hole in the center of the shaft support plate (204) and is rotationally inserted into the connecting cylinder (107), a first screw rod (108) is threadedly connected to the axial limiting hole of the connecting cylinder (107), the bottom of the first screw rod (108) extends out of the axial limiting hole of the connecting cylinder (107) and is placed in the annular groove (111).

3. A mining mud separation device according to claim 2, characterized in that: A first filter hole (205) connected to the spiral transmission channel (207) is provided on the outside of the inner cylinder (201), and the first filter hole (205) is located at the upper section or the upper middle section of the first filter channel (312), so that the spiral transmission channel (207) is connected to the first filter channel (312).

4. A mining mud separation device according to claim 3, characterized in that: The end surfaces of both ends of the outer cylinder (301) are provided with threaded connection holes (305), and the outer peripheral wall surfaces on the front and rear sides of the outer cylinder (301) are provided with filter windows (306) that are connected to the interior of the first filter channel (312). A movable filter assembly (314) is detachably provided on the filter window (306), a filter core (315) is provided on the inner side of the movable filter assembly (314), and the filter core (315) divides the first filter channel (312) into upper and lower regions, and the upper and lower regions are connected through a filter hole of the filter core (315), and the first filter hole (205) is located in the upper region of the first filter channel (312); Both ends of the movable filter assembly (314) are provided with end face folds (316), and the end face folds (316) are provided with connection holes. The connection holes of the end face folds (316) are connected to the threaded connection holes (305) via a second screw (317).

5. A mining mud separation device according to claim 4, characterized in that: A plurality of mud suction pumps (401) are arranged on the top of the outer cylinder (301), the output end of the mud suction pump (401) is connected to the inlet (302) of the outer cylinder, and a suction pipe (402) is arranged at the input end of the mud suction pump (401).

6. A mining mud separation device according to claim 5, characterized in that: The separation device also includes a base (501), the upper surface of the base (501) is provided with a first collecting groove (502), the output end of the first outlet (303) of the outer cylinder is located in the first collecting groove (502), and a second collecting groove (504) is provided directly above the first collecting groove (502) via a pair of first supporting columns (503), the outer contour of one end of the second collecting groove (504) is sealedly connected to the outer contour of the lower end of the dredge suction pump (401), and the inner bottom surface of the other end of the second collecting groove (504) is connected to the bottom of the higher end of the dredge suction pump (401) via a second supporting column (505); The second outlet (304) of the outer cylinder and the vertical projection of the filter plate (308) are both located on the inner bottom surface of the second collecting tank (504).

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