Pressurizing mechanism for medium slime barrel

Abstract

The utility model discloses a medium slime barrel pressurizing mechanism which comprises an annular barrel body fixed to the inner top face of a medium slime barrel, the output end of a motor drives a water outlet pipe to rotate through a gear transmission rotating assembly, the width of a cavity is gradually reduced from bottom to top, and the inner diameter of the water outlet pipe is gradually reduced from top to bottom. The rotating assembly comprises a baffle attached to the bottom face of the annular barrel body, the cavity is formed by the annular barrel body and the baffle, two dovetail grooves are annularly formed in the top face of the baffle, the section of the filter screen is in an inverted V shape, the filter screen is slidably provided with the barrel body in an attached mode, and the barrel body fixedly sleeves the side wall of the water outlet pipe. The output end of the motor drives the water outlet pipe to rotate through the gear transmission rotating assembly, the area of water discharged from the output end of the water outlet pipe for cleaning coal slime adhered to the inner wall of the medium coal slime barrel is increased, cleaning of the coal slime on the inner wall of the medium coal slime barrel is improved, the cleaned coal slime is mixed into the medium coal slime again, and therefore the utilization rate of the coal slime is increased.

Description

Technical field:

[0001] The utility model relates to the technical field of pressurization, in particular to a medium coal slime bucket pressurization mechanism. Background technology:

[0002] At present, many coal washing plants adopt cyclone sorting technology, and obtain three products of clean coal, medium coal and gangue according to the density difference in the centrifugal field. The medium coal slime floats too high due to unstable feeding and fluctuating pressure, resulting in reduced clean coal recovery. A pressurizing mechanism is used on the medium coal slime barrel to increase the flow rate and pressure of the raw coal transported to the cyclone.

[0003] The existing medium coal slime barrel pressurizing mechanism is mainly composed of an annular barrel body and a water inlet pipe. The annular barrel body is fixed on the top surface of the medium coal slime barrel, the water inlet pipe is fixedly connected to the annular barrel body and passes through the medium coal slime barrel, and the bottom surface of the annular barrel body is fixedly connected with multiple water outlet pipes. Water is added by the water inlet pipe and injected into the medium coal slime barrel through the water outlet pipe for pressurizing operation. The annular barrel body is fixedly connected to the water outlet pipe, and the water sprayed from the output end of the water outlet pipe pressurizes the medium coal slime barrel and cleans the coal slime adhered to its inner wall at the same time. The annular barrel body is fixedly connected to the water outlet pipe, and the area of ​​coal slime cleaning on the inner wall of the medium coal slime barrel by water output from the output end of the water outlet pipe is fixed, resulting in poor cleaning of the coal slime on the inner wall of the medium coal slime barrel and reduced utilization rate of the coal slime. Utility model content:

[0004] To this end, the purpose of the utility model is to provide a medium coal slime barrel pressurizing mechanism to overcome the existing technology because the existing medium coal slime barrel pressurizing mechanism is mainly composed of an annular barrel body and a water inlet pipe, the annular barrel body is fixed on the top surface of the medium coal slime barrel, the water inlet pipe is fixedly connected to the annular barrel body and passes through the medium coal slime barrel, and the bottom surface of the annular barrel body is fixedly connected with multiple water outlet pipes, and water is added by the water inlet pipe and injected into the medium coal slime barrel through the water outlet pipe for pressurization operation, the annular barrel body is fixedly connected to the water outlet pipe, and the water sprayed from the output end of the water outlet pipe pressurizes the medium coal slime barrel and cleans the coal slime adhered to its inner wall at the same time, the annular barrel body is fixedly connected to the water outlet pipe, and the area of ​​the coal slime on the inner wall of the medium coal slime barrel that is cleaned by the water at the output end of the water outlet pipe is fixed, resulting in poor cleaning of the coal slime on the inner wall of the medium coal slime barrel and reduced utilization of the coal slime.

[0005] The utility model is implemented by the following technical solutions:

[0006] A medium coal slime barrel pressurizing mechanism comprises an annular barrel body fixed on the inner top surface of the medium coal slime barrel, the top of the annular barrel body is fixedly connected to a water inlet pipe, the bottom surface of the annular barrel body is fitted and rotatably connected to a rotating component, the rotating component and the annular barrel body form a cavity, a plurality of water outlet pipes connected to the cavity are rotatably penetrated through the rotating component, the output end of the water outlet pipe is inclined downward and arranged along a direction close to the inner wall of the medium coal slime barrel, the side wall of the annular barrel body is fixedly connected to a motor, the output end of the motor is fixedly connected to a gear, and the output end of the motor drives the water outlet pipe to rotate through the gear transmission rotating component.

[0007] Preferably, the width of the cavity decreases gradually from bottom to top.

[0008] Preferably, the inner diameter of the water outlet pipe gradually decreases from top to bottom.

[0009] Preferably, the rotating assembly includes a baffle plate fitted with the bottom surface of the annular barrel body, the cavity is formed by the annular barrel body and the baffle plate, the top surface of the baffle plate is provided with two dovetail grooves in an annular shape, the two dovetail grooves are of different sizes, a dovetail ring is fitted and slidably provided in the dovetail groove, the top surface of the dovetail ring is fixedly connected to the bottom surface of the annular barrel body, the water outlet pipe is fixedly passed through the surface of the baffle plate in an annular shape, the top surface of the baffle plate is fixedly connected with a gear ring, the gear ring is meshed with a gear, a plurality of sealing rings are fixedly embedded in the top surface of the baffle plate, and the sealing rings are fitted with the bottom surface of the annular barrel body.

[0010] Preferably, a filter screen is provided in the cavity, the filter screen is annularly fixed on the inner wall of the annular barrel body, the cross-section of the filter screen is an inverted V-shape, the filter screen is slidably fitted with the barrel body, the barrel body is fixedly sleeved on the side wall of the water outlet pipe, and a plurality of through holes are annularly opened on the top surface of the filter screen.

[0011] Preferably, a plurality of retaining rings are staggered and inclinedly arranged at the bottom ends of the plurality of through holes, the retaining rings close to the surface of the annular barrel body are fixedly connected to the inner wall of the annular barrel body, and the retaining rings away from the surface of the annular barrel body are fixedly connected to the side wall of the barrel body.

[0012] The advantages of the utility model are as follows: a plurality of water outlet pipes communicating with the cavity are fixedly connected to a rotating assembly rotatably connected to the bottom surface of the annular barrel body; the output end of the motor drives the water outlet pipe to rotate through the gear transmission rotating assembly, thereby increasing the area for cleaning the coal slime adhered to the inner wall of the middle coal slime barrel by the water outlet at the output end of the water outlet pipe, improving the cleaning of the coal slime on the inner wall of the middle coal slime barrel, and the cleaned coal slime is mixed into the middle coal slime again, thereby improving the utilization rate of the coal slime. Description of the drawings:

[0013] In order to more clearly illustrate the embodiments of the utility model 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is the structural diagram of the utility model;

[0015] Figure 2 This is a front view of the structure of the embodiment of the utility model;

[0016] Figure 3 It is a three-dimensional diagram of the structure of the utility model.

[0017] In the figure: cavity 1, annular barrel body 2, water inlet pipe 3, baffle 4, dovetail ring 5, dovetail groove 6, sealing ring 7, water outlet pipe 8, motor 9, gear 10, gear ring 11, filter screen 12, through hole 13, barrel body 14, baffle ring 15. Specific implementation method:

[0018] In order to make the purpose and advantages of the utility model more clearly understood, the utility model is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.

[0019] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0020] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation on the present invention.

[0021] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0022] like Figure 1-Figure 3 As shown, the utility model provides the following technical solutions: a medium coal slime barrel pressurizing mechanism, comprising an annular barrel body 2 fixed on the top surface of the medium coal slime barrel, the top of the annular barrel body 2 is fixedly connected to a water inlet pipe 3, the bottom surface of the annular barrel body 2 is fitted and rotatably connected with a rotating component, the rotating component and the annular barrel body 2 form a cavity 1, and a plurality of water outlet pipes 8 that are rotatably connected to the cavity 1 are penetrated through the rotating component, and the output end of the water outlet pipe 8 is inclined downward and arranged along the direction close to the inner wall of the medium coal slime barrel, a motor 9 is fixedly connected to the side wall of the annular barrel body 2, and a gear 10 is fixedly connected to the output end of the motor 9, and the output end of the motor 9 drives the water outlet pipe 8 to rotate through the gear 10 to drive the rotating component.

[0023] Please combine Figure 1 As shown, during use, when the middle coal slime barrel needs to be pressurized, external water is injected into the cavity 1 of the annular barrel body 2 through the water inlet pipe 3 by a water pump, and then discharged to the middle coal slime barrel through the output end of the water outlet pipe 8, the output end of the motor 9 drives the gear 10 to rotate, the gear 10 drives the rotating component to rotate, the rotating component drives the water outlet pipe 8 to rotate, and the water discharged from the output end of the water outlet pipe 8 is used to flush the raw coal adhered to the inner wall of the middle coal slime barrel, thereby increasing the cleaning area of ​​the raw coal adhered to the inner wall of the middle coal slime barrel by spraying water from the water outlet pipe 8, realizing the pressurization operation of the middle coal slime barrel while cleaning the raw coal adhered to it, flushing it into the middle coal slime barrel, and reducing the adhesion of the raw coal.

[0024] The width of the cavity 1 decreases gradually from bottom to top, increasing the pressure of water entering the cavity 1, thereby increasing the pressure of water entering the input end of the water outlet pipe 8.

[0025] The inner diameter of the water outlet pipe 8 gradually decreases from top to bottom, increasing the pressure of the water sprayed from the output end of the water outlet pipe 8, facilitating the increase of the pressure of the water entering the middle coal slime barrel, and also increasing the impact force on the raw coal on the inner wall of the middle coal slime barrel, facilitating the cleaning of the raw coal.

[0026] Please combine Figure 1-Figure 3 As shown, an embodiment of a rotating assembly, the rotating assembly includes a baffle 4 fitted with the bottom surface of the annular barrel body 2, and a cavity 1 is formed by the annular barrel body 2 and the baffle 4. Two dovetail grooves 6 are annularly opened on the top surface of the baffle 4. The two dovetail grooves 6 are of different sizes. A dovetail ring 5 is fitted and slidably arranged in the dovetail groove 6. The top surface of the dovetail ring 5 is fixedly connected to the bottom surface of the annular barrel body 2. An outlet pipe 8 is annularly fixed and penetrates the surface of the baffle 4. A gear ring 11 is fixedly connected to the top surface of the baffle 4. The gear ring 11 meshes with a gear 10. A plurality of sealing rings 7 are fixedly embedded in the top surface of the baffle 4. The sealing ring 7 fits the bottom surface of the annular barrel body 2.

[0027] Please combine Figure 1As shown, during use, the output end of the motor 9 drives the gear 10 to rotate, the gear 10 drives the gear ring 11 to rotate, the gear ring 11 drives the baffle 4 to rotate, the baffle 4 drives the dovetail groove 6 to rotate on the dovetail ring 5, and the baffle 4 drives the water outlet pipe 8 to rotate, thereby increasing the area for cleaning the coal slime adhered to the inner wall of the coal slime bucket by the water outlet at the output end of the water outlet pipe 8. The provision of multiple sealing rings 7 ensures the sealing of the connection between the annular barrel body 2 and the baffle 4, prevents the baffle 4 from leaking between the annular barrel body 2, and indirectly increases the water pressure inside the cavity 1.

[0028] A filter screen 12 is provided in the cavity 1, and the filter screen 12 is annularly fixed on the inner wall of the annular barrel body 2. The cross-section of the filter screen 12 is an inverted V-shaped. The filter screen 12 is slidably fitted with a barrel body 14, and the barrel body 14 is fixedly sleeved on the side wall of the water outlet pipe 8. A plurality of through holes 13 are annularly opened on the top surface of the filter screen 12.

[0029] Please combine Figure 1 As shown, during use, the water pump injects external water into the cavity 1 of the annular barrel body 2 along the water inlet pipe 3, the water is filtered through the filter screen 12 and then enters the water outlet pipe 8, and finally is discharged into the medium coal slime barrel along the output end of the water outlet pipe 8, and the impurities filtered by the filter screen 12 flow from the through hole 13 along the inclined surface of the filter screen 12 to the bottom end of the filter screen 12, effectively reducing the clogging of the filter screen 12 by impurities, making it convenient for water to be injected into the medium coal slime barrel for pressurized operation, and the setting of the barrel body 14 prevents impurities falling from the through hole 13 from entering the water outlet pipe 8.

[0030] A plurality of retaining rings 15 are staggered and inclined at the bottom ends of the plurality of through holes 13 . The retaining rings 15 close to the surface of the annular barrel body 2 are fixedly connected to the inner wall of the annular barrel body 2 , and the retaining rings 15 away from the surface of the annular barrel body 2 are fixedly connected to the side wall of the barrel body 14 .

[0031] Please combine Figure 1 As shown, during use, the impurities falling from the through hole 13 fall along the multiple baffle rings 15 in sequence, and finally fall on the top surface of the baffle 4, thereby achieving the precipitation of the impurities, reducing the direct contact and impact of the water injected into the cavity 1 with the impurities, facilitating the precipitation of the impurities, and reducing the precipitated impurities from being washed up again to clog the filter screen 12.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A medium coal slime barrel pressurizing mechanism, comprising an annular barrel body fixed to the top surface of the medium coal slime barrel, wherein the top of the annular barrel body is fixedly connected to a water inlet pipe, characterized in that: A rotating assembly is rotatably connected to the bottom surface of the annular barrel body, and a cavity is formed between the rotating assembly and the annular barrel body. A plurality of water outlet pipes are rotatably connected to the cavity through the rotating assembly, and output ends of the water outlet pipes are arranged tilted downward along a direction close to the inner wall of the middle coal slime barrel. A motor is fixedly connected to the side wall of the annular barrel body, and a gear is fixedly connected to the output end of the motor. The output end of the motor drives the water outlet pipe to rotate through the gear transmission rotating assembly.

2. A medium coal slime bucket pressurizing mechanism according to claim 1, characterized in that: The width of the cavity decreases gradually from bottom to top.

3. A medium coal slime bucket pressurizing mechanism according to claim 2, characterized in that: The inner diameter of the water outlet pipe gradually decreases from top to bottom.

4. A medium coal slime bucket pressurizing mechanism according to claim 3, characterized in that: The rotating assembly includes a baffle plate that fits with the bottom surface of the annular barrel body, the cavity is formed by the annular barrel body and the baffle plate, the top surface of the baffle plate is provided with two dovetail grooves in an annular shape, the two dovetail grooves are of different sizes, a dovetail ring is provided in the dovetail groove for sliding fit, the top surface of the dovetail ring is fixedly connected to the bottom surface of the annular barrel body, the water outlet pipe is fixedly passed through the surface of the baffle plate in an annular shape, the top surface of the baffle plate is fixedly connected with a gear ring, the gear ring is meshed with a gear, a plurality of sealing rings are fixedly embedded in the top surface of the baffle plate, and the sealing ring fits with the bottom surface of the annular barrel body.

5. A medium coal slime bucket pressurizing mechanism according to any one of claims 1 to 4, characterized in that: A filter screen is provided in the cavity, the filter screen is annularly fixed on the inner wall of the annular barrel body, the cross-section of the filter screen is an inverted V-shape, the filter screen is slidably fitted with the barrel body, the barrel body is fixedly sleeved on the side wall of the water outlet pipe, and a plurality of through holes are annularly opened on the top surface of the filter screen.

6. A medium coal slime bucket pressurizing mechanism according to claim 5, characterized in that: A plurality of retaining rings are staggered and inclinedly arranged at the bottom ends of the plurality of through holes, the retaining rings close to the surface of the annular barrel body are fixedly connected to the inner wall of the annular barrel body, and the retaining rings away from the surface of the annular barrel body are fixedly connected to the side wall of the barrel body.

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