Tank type ore washer
The design of the detachable base and washing tank solves the problems of complex installation and equipment damage during relocation of the trough-type ore washing machine, enabling convenient installation and flexible adjustment, improving the operating efficiency and safety of the equipment, and reducing maintenance costs.
Patent Information
- Application Number
- CN202520209245.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-10
AI Technical Summary
The installation method of traditional trough-type ore washing machines requires the construction of complex stepped foundations, which leads to high construction difficulty, complicated equipment fixing and maintenance, and the need to cut the fixing structure when moving the location, which affects the operating efficiency and safety and increases maintenance costs.
The base and washing tank are designed with detachable connection, and the bolt connection enables convenient installation and disassembly. The base is made of high-strength formed steel and welded to provide stable support, simplify the installation process and improve the flexibility and safety of the equipment.
It simplifies the installation and disassembly process of the ore washing machine, reduces labor and time costs, extends the service life of the equipment, improves the flexibility and operational stability of the equipment, and reduces the risk of failures and accidents caused by equipment structural problems.
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Figure CN223811110U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of mineral processing machinery equipment, and specifically relates to a groove type washing machine. BACKGROUND
[0002] The traditional groove type washing machine is used as an important equipment in non-ferrous metal industry open-pit mining, and is widely used in the second stage of washing operation, which effectively washes and separates the soil and sundries in the ore below 75mm. However, in the related art, the installation mode of the groove type washing machine needs to build a complex stepped foundation to realize the inclination of the groove body, which not only has high construction difficulty, but also has complex equipment fixing and maintenance. Moreover, with the change of production demand, the frequent movement of the equipment position becomes the norm. When moving, the fixed structure needs to be cut, which causes damage to the equipment, reduces the stability, and further affects the operation efficiency and safety, and significantly increases the maintenance cost. SUMMARY
[0003] The utility model aims to solve at least one of the technical problems in the related art to some extent.
[0004] Therefore, the embodiment of the utility model provides a groove type washing machine, which is convenient to install and disassemble, solves the problem that the washing machine needs to build a stepped foundation in the related art, solves the problem that the position of the washing machine needs to be replaced in the related art, and further avoids the problems that the groove type washing machine of the utility model embodiment is damaged, the operation efficiency and safety are affected, and the maintenance cost is reduced.
[0005] The groove type washing machine according to the embodiment of the utility model comprises a base, a washing groove and a connecting piece, the base has a first end face and a second end face opposite in a preset direction, the first end face is used for being fixed to a mounting surface, the included angle between the plane where the second end face is located and the plane where the first end face is located is an acute angle, the washing groove is located on the second end face, the washing groove is detachably connected with the base through the connecting piece, and one end of the washing groove adjacent to the first end face is provided with an overflow port and a discharge port.
[0006] The groove type washing machine according to the embodiment of the utility model is detachably connected with the base and the washing groove, which simplifies the installation and disassembly process of the washing machine, saves the labor and time cost, and further improves the convenience of installation and disassembly of the washing machine, so that the washing machine can quickly respond when moving and maintaining. Not only the additional maintenance cost caused by the complex equipment fixing is reduced, but also the service life of the equipment is prolonged, the position can be quickly adjusted according to the production demand, different working environments and operation demands can be adapted, the flexibility and applicability of the equipment are improved, the operation stability and safety are enhanced, and the risk of failure and accident caused by the equipment structure problem is reduced.
[0007] In some embodiments, the washing tank is provided with a plurality of first connecting holes, the base is provided with a plurality of second connecting holes on the second end surface, the first connecting holes and the second connecting holes correspond to each other, the connecting piece is a bolt, and the bolt is fitted and installed in the corresponding first connecting hole and second connecting hole.
[0008] In some embodiments, the tank-type washing machine further comprises a driving motor, a transmission assembly and a spiral shaft, the driving motor is arranged at one end of the washing tank away from the first end surface, an output shaft of the driving motor is connected to the transmission assembly, the spiral shaft is rotatably arranged in the washing tank, one end of the spiral shaft is connected to the transmission assembly, and the other end of the spiral shaft is located at one end of the washing tank adjacent to the first end surface.
[0009] In some embodiments, the spiral shaft is two, the rotation directions of the two spiral shafts are opposite, the spiral shaft comprises a shaft body and a blade, the blade is arranged on the shaft body, the blade is a double-head spiral blade, and the blades of the two spiral shafts are cross-stacked.
[0010] In some embodiments, the transmission assembly comprises a connecting shaft, a first spur gear, a first bevel gear and a second bevel gear, the connecting shaft is rotatably arranged in the washing tank, a middle part of the connecting shaft is provided with the first spur gear, the first spur gear is in transmission connection with the output shaft of the driving motor, both sides of the connecting shaft are provided with the first bevel gear, the spiral shaft is two, one end of each of the two spiral shafts is provided with the second bevel gear, the second bevel gears are in meshing connection with the first bevel gears, and the two second bevel gears are located between the two first bevel gears.
[0011] In some embodiments, the transmission assembly further comprises a hydraulic coupler, a speed reducer and a second spur gear, one side of the hydraulic coupler is connected to the output shaft of the driving motor, the other side of the hydraulic coupler is connected to an input shaft of the speed reducer, an output shaft of the speed reducer is provided with the second spur gear, and the second spur gear is in meshing connection with the first spur gear.
[0012] In some embodiments, the discharge port is located at one side of the washing tank abutting the second end surface.
[0013] In some embodiments, the tank-type washing machine further comprises a water flushing assembly, the water flushing assembly comprises a support and a water flushing pipe, the support is arranged on the washing tank, the support is located at one side of the discharge port away from the overflow port, and the water flushing pipe is arranged on the support.
[0014] In some embodiments, the trough washer further comprises an overflow tank and a filter screen, the overflow tank is arranged at the overflow port, the overflow tank is provided with the filter screen on one side in the preset direction, and the overflow tank is provided with a discharge port on the other side in the preset direction.
[0015] In some embodiments, an angle between a plane where the second end surface is located and a plane where the first end surface is located ranges from 10° to 20°. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic view of a trough washer according to an embodiment of the present application;
[0017] Figure 2 is a structural schematic view of a trough washer according to another embodiment of the present application;
[0018] REFERENCE NUMERALS
[0019] 100, trough washer;
[0020] 1, base, 11, first frame body, 12, second frame body, 13, support pipe, 14, reinforcing pipe;
[0021] 2, washing trough, 21, discharge port;
[0022] 3, connecting piece;
[0023] 4, driving motor; 5, transmission assembly, 51, connecting shaft, 52, first straight gear, 53, first bevel gear, 54, second bevel gear, 55, hydraulic coupler, 56, speed reducer, 57, second straight gear;
[0024] 6, spiral shaft, 61, shaft body, 62, blade;
[0025] 7, flushing assembly, 71, support;
[0026] 8, overflow tank, 81, discharge port; 9, filter screen. DETAILED DESCRIPTION
[0027] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0028] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. Figure 1 and Figure 2 The trough washer 100 according to the embodiments of the present application will be described in detail below.
[0029] As Figure 1 and Figure 2As shown, the trough type washing machine 100 of the embodiment of the present application comprises a base 1, a washing trough 2 and a connecting piece 3. Figure 2 The base 1 has a first end surface and a second end surface opposite in a preset direction (for example, the up-down direction in the figure), the first end surface is used for being fixed to a mounting base surface, the included angle between the plane where the second end surface is located and the plane where the first end surface is located is an acute angle, the washing trough 2 is located on the second end surface, the washing trough 2 is detachably connected with the base 1 through the connecting piece 3, and one end of the washing trough 2 adjacent to the first end surface is provided with an overflow port and a discharge port 21.
[0030] In the use state, the preset direction is the same as the up-down direction, the first end surface is the lower end surface of the base 1, and the second end surface is the upper end surface of the base 1.
[0031] When installing the trough type washing machine 100 of the embodiment of the present application, the base 1 is carried to the mounting base surface at the target position, the first end surface is attached to the mounting base surface, the first end surface and the mounting base surface are then fixedly connected, the base 1 is fixed on the mounting base surface, the washing trough 2 is then installed on the second end surface of the base 1, the base 1 and the washing trough 2 are connected through the connecting piece 3, and the installation of the trough type washing machine 100 on the mounting base surface is completed. The second end surface of the base 1 is inclined relative to the first end surface, for example, when the first end surface is a horizontal plane or close to a horizontal plane, the second end surface is an inclined plane with one end high and one end low, so that an inclined installation surface (the second end surface) can be provided for the washing trough 2, and the washing trough 2 after installation can be ensured to be in an inclined state, wherein the overflow port and the discharge port 21 are located at the low end of the washing trough 2 to ensure the normal operation of the washing trough 2. When it is necessary to replace the installation position of the trough type washing machine 100, the base 1 is detached from the mounting base surface, the connecting piece 3 is detached from the washing trough 2 and the base 1, and then the washing trough 2 and the base 1 are separated, and after being moved to a new installation position, the washing trough 2 and the base 1 are reinstalled.
[0032] The trough type washing machine 100 of the embodiment of the present application uses the base 1 to support and install the washing trough 2, on the one hand, an inclined installation surface is formed for the washing trough 2, so that the inclined state of the washing trough 2 is ensured, and on the other hand, the base 1 can be detachably installed with the mounting base surface, and the base 1 can be detachably connected with the washing trough 2 through the connecting piece 3, so that the convenience of installation and disassembly of the washing machine of the embodiment of the present application is realized, the problem of needing to construct a stepped foundation when the washing machine is installed in the related art is solved, the problem of needing to cut the fixing structure of the washing machine due to replacement of the position of the washing machine in the related art is solved, and then the problems of damage, influence on operation efficiency and safety of the trough type washing machine 100 of the embodiment of the present application can be avoided, and the maintenance cost is reduced.
[0033] Further, the base 1 is welded from high-strength profiled steel. Specifically, as shown in Figure 2As shown, the base 1 comprises a first frame body 11, a second frame body 12, a plurality of support tubes 13 and a plurality of reinforcing tubes 14. The lower end surface of the first frame body 11 is a first end surface, a plurality of support tubes are welded on the upper end surface of the first frame body 11, the lengths of the support tubes 13 decrease sequentially from left to right, reinforcing tubes 14 are welded between the adjacent two support tubes 13 on the left side, the upper ends of the plurality of support tubes 14 are welded with the second frame body, and the upper end surface of the second frame body 12 is a second end surface. Among them, the first frame body 11, the second frame body 12, the support tube 13 and the reinforcing tube 14 are all made of high-strength profiled steel. Thus, the base 1 of the embodiment of the utility model is structurally strong, can provide stable support for the washing tank 2, and ensures the stability and safety of the slot type ore washer 100 of the embodiment of the utility model.
[0034] Specifically, the washing tank 2 is provided with a plurality of first connecting holes, the base 1 is provided with a plurality of second connecting holes on the second end surface, the first connecting holes and the second connecting holes are one-to-one corresponding, the connecting piece 3 is a bolt, and the bolt is fitted and installed in the corresponding first connecting hole and second connecting hole. The base 1 and the washing tank 2 are stably connected through bolt connection and can be disassembled, the installation and disassembly of the bolt are simple and convenient, and the difficulty and steps of the slot type ore washer 100 of the embodiment of the utility model in the moving and installation process are further reduced.
[0035] In some embodiments, the included angle between the plane where the second end surface is located and the plane where the first end surface is located ranges from 10° to 20°.
[0036] For example, the included angle between the plane where the second end surface is located and the plane where the first end surface is located ranges from 10°, 13°, 14°, 15°, 16°, 17°, 18°, 19° or 20°.
[0037] In the embodiment, the included angle between the plane where the second end surface is located and the plane where the first end surface is located ranges from 14°, and the inclination angle of the washing tank 2 is 14°, so that the flow of the ore and the flow and drainage effect of the water in the washing tank 2 are better.
[0038] The discharge port 21 is located on the side where the washing tank 2 is attached to the second end surface. In other words, as shown in the drawings, Figure 2 The discharge port 21 is located on the bottom surface of the right side of the washing tank 2.
[0039] The slot type ore washer 100 of the embodiment of the utility model further comprises a water flushing assembly 7, the water flushing assembly 7 comprises a support 71 and a water flushing pipe, the support 71 is arranged on the washing tank 2, the support 71 is located on the side of the discharge port 21 away from the overflow port, and the water flushing pipe is arranged on the support 71. The support 71 is located on the left side of the discharge port 21. The water flushing assembly 7 further comprises a water pump (not shown in the drawings), the water pump is communicated with the water flushing pipe, the water pump pumps water into the water flushing pipe, the water is discharged from the water flushing port of the water flushing pipe and is discharged into the washing tank 2, so as to flush the ore in the washing tank 2.
[0040] As Figure 2 shown, the ore enters the washing tank 2 from the left side of the support 71.
[0041] In some embodiments, the tank washing machine 100 further comprises a driving motor 4, a transmission assembly 5 and a spiral shaft 6, the driving motor 4 is arranged at one end of the washing tank 2 away from the first end face, the output shaft of the driving motor 4 is connected to the transmission assembly 5, and the spiral shaft 6 is rotatably arranged in the washing tank 2, one end (left end) of the spiral shaft 6 is connected to the transmission assembly 5, and the other end (right end) of the spiral shaft 6 is located at one end of the washing tank 2 adjacent to the first end face. After the driving motor 4 is started, the driving motor 4 drives the spiral shaft 6 to rotate through the transmission assembly 5, the spiral shaft 6 pushes the ore to move to the right, and the water washes the ore. The soil and fine particles separated from the ore material after being washed by water and the spiral shaft 6 are discharged from the overflow port, and the ore and most of the water are discharged from the discharge port 21.
[0042] Specifically, the spiral shaft 6 is two, the rotation directions of the two spiral shafts 6 are opposite, the spiral shaft 6 includes a shaft body 61 and a blade 62, the blade 62 is a double-headed spiral blade, and the blades 62 of the two spiral shafts 6 are cross-stacked. In other words, in the axial direction of the spiral shaft 6, a part of the blades 62 of the two spiral shafts 6 are opposite, reducing the aperture between the shaft bodies 61 of the two spiral shafts 6, so as to improve the contact area of the blade 62 to the ore, improve the scrubbing effect of the blade 62 to the ore, and reduce the blockage of the material. During the rotation of the two spiral shafts 6, the blade pushes the ore material to move to mix the ore material with water, the water mixes with the soil and fine particles in the ore material to form a slurry mixture, the ore can rub with the slurry mixture to realize the separation of the ore and the soil, fine particles and other impurities.
[0043] The blade 62 of the spiral shaft 6 makes the scrubbing effect of the ore and the slurry mixture better, and the separation efficiency is higher, so as to improve the overall working efficiency of the tank washing machine 100 and the cleaning quality of the ore of the embodiment of the utility model.
[0044] Further, the transmission assembly 5 comprises a connecting shaft 51, a first spur gear 52, a first bevel gear 53 and a second bevel gear 54, the connecting shaft 51 is rotatably arranged in the washing tank 2, the middle part of the connecting shaft 51 is provided with the first spur gear 52, the first spur gear 52 is in transmission connection with the output shaft of the driving motor 4, the two sides of the connecting shaft 51 are provided with the first bevel gear 53, the one end (left end) of the two spiral shafts 6 is provided with the second bevel gear 54, the second bevel gear 54 is in meshing with the first bevel gear 53, and the two second bevel gears 54 are located between the two first bevel gears 53. The driving motor 4 drives the first spur gear 52 to rotate, the first spur gear 52 drives the connecting shaft 51 to rotate synchronously, and through the meshing of the first bevel gear 53 and the second bevel gear 54, the reverse rotation of the two spiral shafts 6 is driven. The groove type washing machine 100 of the embodiment of the utility model realizes that one motor drives the synchronous rotation of two spiral shafts through the transmission assembly 5, not only saves the layout space, but also can improve the synchronous transmission efficiency and the stability of the motor driving the rotation of two spiral shafts.
[0045] Specifically, the transmission assembly 5 further comprises a hydraulic coupler 55, a speed reducer 56 and a second spur gear 57, one side of the hydraulic coupler 55 is connected with the output shaft of the driving motor 4, the other side of the hydraulic coupler 55 is connected with the input shaft of the speed reducer 56, the output shaft of the speed reducer 56 is provided with the second spur gear 57, and the second spur gear 57 is in meshing with the first spur gear 52. The driving motor 4 is connected with the speed reducer 56 through the hydraulic coupler 55, can protect the driving motor 4 from the influence of load mutation, and is beneficial to improving the stability and reliability of the groove type washing machine 100 of the embodiment of the utility model.
[0046] The groove type washing machine 100 of the embodiment of the utility model further comprises an overflow tank 8 and a filter screen 9, the overflow tank 8 is arranged at the overflow port, one side (upper side) of the overflow tank 8 in the preset direction is provided with the filter screen 9, and the other side (lower side) of the overflow tank 8 in the preset direction has a discharge port 81. After the liquid level in the washing tank 2 is higher than the overflow port, the soil and impurities such as fine particles floating on the liquid flow to the overflow tank 8 through the overflow port along with the liquid, and after the floating dregs and fine particles are filtered through the filter screen 9, the soil and water mixture is discharged from the discharge port 81. The setting of the filter screen 9 can filter the floating dregs and fine particles, and is beneficial to recycling the discharged soil and water mixture.
[0047] Therefore, the trough type ore washer 100 of the embodiment of the utility model, through the detachable connection of the base 1 and the ore washing trough 2, the installation and dismounting process of the ore washer is simplified, the manpower and time cost are saved, and simultaneously, due to the improved convenience of installation and dismounting of the ore washer, the ore washer can respond quickly when moving and maintaining, not only reduces the additional maintenance cost caused by the fixed complexity of equipment, but also prolongs the service life of the equipment, can also quickly adjust the position according to the production demand, adapts to different working environments and operation demands, improves the flexibility and applicability of the equipment, and enhances the operation stability and safety, reduces the failure and accident risk caused by the structural problems of the equipment.
[0048] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0049] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0050] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0051] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0052] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application and the features of different embodiments or examples without contradiction.
[0053] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. A tank (100) for washing ore, characterized in that, The utility model provides a washing tank and base, the base (1) has opposite first end face and second end face in preset direction, the first end face is used for fixing to installation base surface, the included angle between the plane of second end face and the plane of first end face is acute angle, the washing tank (2) is located on the second end face, the washing tank (2) is detachably connected with the base (1) through the connecting piece (3), and the end of the washing tank (2) adjacent to the first end face is provided with overflow port and discharge port (21).
2. The sluicing mill (100) according to claim 1, characterized in that The washing tank (2) is provided with a plurality of first connecting holes, and the base (1) is provided with a plurality of second connecting holes on the second end face, the first connecting holes and the second connecting holes correspond one by one, the connecting piece (3) is a bolt, and the bolt is fitted and installed in the corresponding first connecting hole and second connecting hole.
3. The sluicing apparatus (100) according to claim 1, characterized in that Further comprising a drive motor (4), a transmission assembly (5) and a spiral shaft (6), the drive motor (4) is arranged at one end of the washing tank (2) away from the first end face, the output shaft of the drive motor (4) is connected with the transmission assembly (5), the spiral shaft (6) is rotatably arranged in the washing tank (2), one end of the spiral shaft (6) is connected with the transmission assembly (5), and the other end of the spiral shaft (6) is located at one end of the washing tank (2) adjacent to the first end face.
4. The sluicing mill (100) according to claim 3, characterized in that The spiral shaft (6) is two, the rotation directions of the two spiral shafts (6) are opposite, the spiral shaft (6) comprises a shaft body (61) and a blade (62), the blade (62) is arranged on the shaft body (61), the blade (62) is a double-head spiral blade, and the blades of the two spiral shafts (6) are crossed and overlapped.
5. The sluice (100) according to claim 3, characterized in that The transmission assembly (5) comprises a connecting shaft (51), a first spur gear (52), a first bevel gear (53) and a second bevel gear (54), the connecting shaft (51) is rotatably arranged in the washing tank (2), a middle part of the connecting shaft (51) is provided with the first spur gear (52), the first spur gear (52) is in transmission connection with the output shaft of the drive motor (4), both sides of the connecting shaft (51) are provided with the first bevel gear (53), the spiral shaft has two, and the one end of the two spiral shafts is provided with the second bevel gear (54), the second bevel gear (54) is in mesh with the first bevel gear (53), and the two second bevel gears (54) are located between the two first bevel gears (53).
6. The sluice (100) according to claim 5, characterized in that The transmission assembly (5) further comprises a hydraulic coupler (55), a speed reducer (56) and a second spur gear (57), one side of the hydraulic coupler (55) is connected with the output shaft of the drive motor (4), the other side of the hydraulic coupler (55) is connected with the input shaft of the speed reducer (56), the output shaft of the speed reducer (56) is provided with the second spur gear (57), and the second spur gear (57) is in mesh with the first spur gear (52).
7. The sluice (100) according to claim 1, characterized in that The discharge port (21) is located on the side of the ore washing groove (2) abutting against the second end surface.
8. The sluice (100) according to claim 7, characterized in that Further comprising a flushing assembly (7), the flushing assembly (7) comprising a support (71) and a flushing pipe, the support (71) being arranged on the ore washing groove (2), the support (71) being located on the side of the discharge port (21) away from the overflow port, and the flushing pipe being arranged on the support (71).
9. The sluice (100) according to claim 7, characterized in that Further comprising an overflow tank (8) and a filter screen (9), the overflow tank (8) being arranged at the overflow port, the overflow tank (8) being provided with the filter screen (9) on one side in the preset direction, and the overflow tank (8) being provided with a discharge port (81) on the other side in the preset direction.
10. The sluice (100) according to claim 1, characterized in that The included angle between the plane where the second end surface is located and the plane where the first end surface is located ranges from 10° to 20°.