Coal impurity removal device

Abstract

The utility model discloses a coal impurity removing device which comprises a material placing mechanism, a material conveying mechanism, a material discharging mechanism and a material conveying mechanism, wherein the material placing mechanism comprises a material placing tank and a material outlet; the discharge hole is fixed at the lower end of the material placing tank; the discharging anti-blocking mechanism comprises a connecting ring, a connecting frame, a rotating motor, a connecting block, a hydraulic cylinder and a dredging block; the connecting ring is fixed to the lower portion of the outer surface of the discharging port, the connecting frame is fixed to one side of the outer surface of the connecting ring, the rotating motor penetrates through the lower portion of the front face of the connecting frame, the middle of the output end of the rotating motor is sleeved with the connecting block, the hydraulic cylinder penetrates through the middle of the connecting block, and the dredging block is arranged on the upper portion of the output end of the hydraulic cylinder in a threaded mode. The problems that in the existing coal impurity removal process, in order to avoid blocking, an anti-blocking structure is arranged, but the anti-blocking structure is arranged in a discharging port, although blocking can be relieved, the anti-blocking structure is located in the discharging port, the circulation space is occupied, and the blocking probability is increased are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal impurity removal, in particular to a coal impurity removal device. Background Art

[0002] Coal cleaning refers to the process of removing impurities in coal, such as sulfur, ash, gangue, etc., through a series of physical or chemical methods after coal mining to improve the quality and calorific value of coal.

[0003] However, it still has the following disadvantages in actual use:

[0004] In the existing coal cleaning process, the purpose of coal cleaning is achieved through the force generated by the vibration of the screen, and the cleaned coal is discharged through the discharge port. In order to avoid blockage, an anti-blocking structure is provided. However, the anti-blocking structure is arranged inside the discharge port. Although it can alleviate the blockage, it is located inside the discharge port, occupying the circulation space and increasing the probability of blockage. Utility Model Content

[0005] The utility model aims to provide a coal impurity removal device to solve the problem raised in the above-mentioned background technology that, in the existing coal impurity removal process, the force generated by the vibration of the screen is used to achieve the purpose of coal impurity removal, and the coal after impurity removal is discharged through the discharge port, and an anti-blocking structure is provided to avoid blockage. However, the anti-blocking structure is arranged inside the discharge port, and although it can alleviate the blockage, it is located inside the discharge port, occupying the circulation space and increasing the probability of blockage.

[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0007] The utility model is a coal impurity removal device, comprising:

[0008] A material placing mechanism, the material placing mechanism comprising a material placing tank and a material discharging port;

[0009] The discharge port is fixed at the lower end of the material placement tank;

[0010] The discharging anti-blocking mechanism comprises a connecting ring, a connecting frame, a rotating motor, a connecting block, a hydraulic cylinder and a dredging block;

[0011] The connecting ring is fixed to the lower part of the outer surface of the discharge port, and the connecting frame is fixed to one side of the outer surface of the connecting ring, the rotating motor passes through the lower front part of the connecting frame, and the connecting block is sleeved on the middle part of the output end of the rotating motor, the hydraulic cylinder passes through the middle part of the connecting block, and the dredging block is threaded on the upper part of the output end of the hydraulic cylinder.

[0012] Furthermore, the upper end of the dredging block is configured to be conical, and threads equidistantly arranged at the lower portion of the outer surface of the dredging block extend into a screw hole opened in the middle portion of the upper end of the output end of the hydraulic cylinder.

[0013] Furthermore, it also includes a material discharging guiding mechanism;

[0014] The material discharging guide mechanism comprises a fixing ring and a guide cover;

[0015] The fixing ring is sleeved on the lower part of the dredging block, and the guide cover is clamped on the middle part of the outer surface of the fixing ring.

[0016] Further, it also includes a support mechanism;

[0017] The support mechanism includes a mounting seat, a mounting block and a support leg;

[0018] The mounting seat is fixed at equal distances to the lower part of the outer surface of the material placing tank, and the mounting block is fixed to the middle part of the front face of the mounting seat, and the supporting leg is threaded on the middle part of the mounting block.

[0019] Furthermore, it also includes a debris removal mechanism;

[0020] The impurity removal mechanism comprises a mounting frame, a servo motor and an impurity removal screen;

[0021] The mounting frame is fixed to the upper end of the material placing tank, and the servo motor runs through the middle part of the upper end of the mounting frame, and the impurity removal screen is fixed to the lower part of the output end of the servo motor.

[0022] Furthermore, protrusions are provided on two opposite sides of the outer side of the impurity removing screen, and the protrusions slide in the annular grooves provided on the inner side wall of the material placing tank.

[0023] Compared with the prior art, the advantages of the present invention are:

[0024] The utility model is provided with a rotating motor, a hydraulic cylinder and a dredging block. The dredging block is externally arranged and will not occupy the internal space of the discharge port, thereby reducing the probability of blockage. After blockage occurs inside the discharge port, an upward pushing force is applied to the dredging block through the controlled hydraulic cylinder to act on the blockage to dredge it. After the dredging process, the angular rotation of the connecting block can be carried out through the controlled rotating motor, which will not affect the subsequent discharge of the discharge port and is convenient to use.

[0025] Based on the above beneficial effects, a guide cover is provided. When the guide cover is fixed on the dredging block, it can guide the coal in the dredging to diffuse outwards, so as to prevent the coal from falling onto the hydraulic cylinder and affecting the free movement of the cylinder body. After the guide cover is fixed to the upper end of the connecting ring, a storage structure can be formed to store the disassembled discharging anti-blocking mechanism, thereby improving the applicability and functionality of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0027] Figure 1 This is the appearance diagram of the utility model;

[0028] Figure 2 This is a top view of the discharging anti-blocking mechanism of the utility model;

[0029] Figure 3 It is a schematic diagram of the material placing mechanism, impurity removing mechanism and supporting mechanism of the utility model;

[0030] Figure 4 It is a side view of the discharging anti-blocking mechanism of the utility model;

[0031] Figure 5 This is a connection diagram of the connecting ring and the guide cover of the utility model.

[0032] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0033] 11. Material placement tank; 12. Material discharge port;

[0034] 21. Connecting ring; 22. Connecting frame; 23. Rotating motor; 24. Connecting block; 25. Hydraulic cylinder; 26. Dredging block;

[0035] 31. fixing ring; 32. guide cover;

[0036] 41. mounting seat; 42. mounting block; 43. supporting leg;

[0037] 51. Mounting frame; 52. Servo motor; 53. De-impurity screen. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0040] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0041] See also Figure 1-5 As shown, this embodiment is a coal impurity removal device, comprising:

[0042] A material placing mechanism, the material placing mechanism comprises a material placing tank 11 and a material outlet 12;

[0043] The discharge port 12 is fixed to the lower end of the material tank 11;

[0044] The material tank 11 discharges the coal to be cleaned and serves as the main installation structure, and the discharge port 12 is used for discharging the coal after the impurities are removed;

[0045] The discharging anti-blocking mechanism includes a connecting ring 21, a connecting frame 22, a rotating motor 23, a connecting block 24, a hydraulic cylinder 25 and a dredging block 26;

[0046] The connecting ring 21 is fixed to the lower part of the outer surface of the discharge port 12, and the connecting frame 22 is fixed to one side of the outer surface of the connecting ring 21. The rotating motor 23 passes through the lower part of the front of the connecting frame 22, and the connecting block 24 is sleeved on the middle part of the output end of the rotating motor 23. The hydraulic cylinder 25 passes through the middle part of the connecting block 24, and the dredging block 26 is threaded on the upper part of the output end of the hydraulic cylinder 25.

[0047] The connecting ring 21 is used to fix the structure of the connecting frame 22, and the rotating motor 23 is fixed through the connecting frame 22, and the connecting block 24 is fixed through the rotating motor 23. The rotating motor 23 can provide a rotating force, and the connecting block 24 is used to fix the structure of the hydraulic cylinder 25. The hydraulic cylinder 25 provides a force for the dredging block 26 to move up and down. The dredging block 26 dredges the obstruction by acting on it to avoid obstruction.

[0048] The upper end of the dredging block 26 is set to be conical, and the threads arranged equidistantly on the lower part of the outer surface of the dredging block 26 extend into the screw opening opened in the middle part of the upper end of the output end of the hydraulic cylinder 25;

[0049] The conical setting is conducive to quickly extending to the inside of the obstruction to achieve the effect of rapid dredging. The connection between the thread and the screw mouth fixes the dredging block 26 and the hydraulic cylinder 25;

[0050] Also includes a support mechanism;

[0051] The support mechanism includes a mounting seat 41, a mounting block 42 and a support leg 43;

[0052] The mounting seat 41 is fixed at equal distances to the lower part of the outer surface of the material placing tank 11, and the mounting block 42 is fixed to the middle part of the front of the mounting seat 41, and the support leg 43 is threaded on the middle part of the mounting block 42;

[0053] The mounting seat 41 structurally fixes the mounting block 42, and the mounting block 42 structurally fixes the support leg 43, and the support leg 43 is set to be columnar, and after the lower end contacts the contact surface, it can provide a stable supporting force for the device;

[0054] Working principle: After the coal to be cleaned is put into the material tank 11, the coal to be cleaned falls onto the surface of the cleaning screen 53;

[0055] At this time, the controlled servo motor 52 applies a rotational force to the impurity removal screen 53, and the impurities of the coal are removed under the centrifugal force, and the impurity-removed coal is discharged through the discharge port 12;

[0056] If a blockage occurs during the unloading process, the connection block 24 can be rotated by the controlled rotating motor 23 to adjust the connection block 24 to be parallel to the horizontal plane, and the dredging block 26 is relative to the middle of the discharge port 12, and the controlled hydraulic cylinder 25 applies an upward force to the dredging block 26, and the dredging block 26 acts on the obstruction to complete the dredging, and after the dredging is completed, the reverse step is applied to restore the dredging block 26 to its original position;

[0057] In this step, an external dredging block 26 is provided to avoid occupying the internal flow space of the discharge port 12, thereby reducing the probability of blockage and facilitating use.

[0058] See also Figure 2 , 4 -5, this embodiment is based on the above embodiment 1 and also includes a discharge guiding mechanism;

[0059] The material discharging guide mechanism includes a fixing ring 31 and a guide cover 32;

[0060] The fixing ring 31 is sleeved on the lower part of the dredging block 26, and the guide cover 32 is clamped on the middle part of the outer surface of the fixing ring 31;

[0061] The fixing ring 31 is used to install the guide cover 32. The guide cover 32 can guide the coal dropped during dredging to the outside to prevent the coal from falling onto the hydraulic cylinder 25 and affecting the free movement of the cylinder body.

[0062] Working principle: When guiding the coal in the dredging process, the fixing ring 31 is sleeved on the lower part of the dredging block 26, and the guide cover 32 is clamped on the middle part of the fixing ring 31. The outer surface of the guide cover 32 receives the fallen coal and guides the coal to the outside under its own gravity.

[0063] When storing the unused discharge guide mechanism, the annular protrusion at the lower end of the guide cover 32 is sleeved into the annular groove at the upper end of the connecting ring 21, the two are fixed, and the connecting ring 21 is inverted, and the discharge guide mechanism can be stored in the middle cavity of the connecting ring 21;

[0064] This step improves the applicability and functionality of the structure.

[0065] See also Figure 1 , 3 As shown, this embodiment is based on the above-mentioned embodiment 1 and further includes a cleaning mechanism;

[0066] The impurity removal mechanism includes a mounting frame 51, a servo motor 52 and an impurity removal screen 53;

[0067] The mounting frame 51 is fixed to the upper end of the material tank 11, and the servo motor 52 runs through the middle of the upper end of the mounting frame 51, and the impurity removal screen 53 is fixed to the lower part of the output end of the servo motor 52;

[0068] The mounting frame 51 is used to install the servo motor 52. The servo motor 52 can provide centrifugal force while installing the impurity removal screen 53. The impurity removal screen 53 receives the coal to be removed and is affected by the centrifugal force to complete the impurity removal.

[0069] The outer side of the impurity removing screen 53 is provided with protrusions on two opposite sides, and the protrusions slide in the annular grooves provided on the inner side wall of the material placing tank 11;

[0070] The sliding of the protrusion in the annular groove can meet the rotation requirements of the impurity removal screen 53 and reduce the friction generated by the rotation;

[0071] Working principle: After the coal to be cleaned is placed on the surface of the cleaning screen 53, the controlled servo motor 52 applies a rotational force to the cleaning screen 53, and under the action of centrifugal force, the impurities contained in the coal to be cleaned can be retained on the surface of the cleaning screen 53 and intercepted;

[0072] In this step, the impurities are removed by centrifugal force. Compared with the impurities removed by vibration, it can prevent excessive coal from accumulating on the surface of the impurity removal screen 53 and affecting the impurity removal effect.

[0073] In the description of the present invention, it is also necessary to explain 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 communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0074] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A coal impurity removal device, characterized in that: include: A material placing mechanism, the material placing mechanism comprising a material placing tank (11) and a material discharge port (12); The discharge port (12) is fixed to the lower end of the material storage tank (11); A discharge anti-blocking mechanism, the discharge anti-blocking mechanism comprising a connecting ring (21), a connecting frame (22), a rotating motor (23), a connecting block (24), a hydraulic cylinder (25) and a dredging block (26); The connecting ring (21) is fixed to the lower part of the outer surface of the discharge port (12), and the connecting frame (22) is fixed to one side of the outer surface of the connecting ring (21); the rotating motor (23) passes through the lower part of the front side of the connecting frame (22), and the connecting block (24) is sleeved on the middle part of the output end of the rotating motor (23); the hydraulic cylinder (25) passes through the middle part of the connecting block (24), and the dredging block (26) is threaded on the upper part of the output end of the hydraulic cylinder (25).

2. A coal impurity removal device according to claim 1, characterized in that: The upper end of the dredging block (26) is configured to be conical, and threads arranged equidistantly on the lower portion of the outer surface of the dredging block (26) extend into a screw hole provided in the middle portion of the upper end of the output end of the hydraulic cylinder (25).

3. A coal impurity removal device according to claim 1, characterized in that: Also includes a discharge guiding mechanism; The material discharging guide mechanism comprises a fixing ring (31) and a guide cover (32); The fixing ring (31) is sleeved on the lower part of the dredging block (26), and the guide cover (32) is clamped on the middle part of the outer surface of the fixing ring (31).

4. A coal impurity removal device according to claim 1, characterized in that: Also includes a support mechanism; The support mechanism comprises a mounting seat (41), a mounting block (42) and a support leg (43); The mounting seat (41) is fixed equidistantly to the lower part of the outer surface of the material placing tank (11), and the mounting block (42) is fixed to the middle part of the front face of the mounting seat (41), and the supporting leg (43) is threaded on the middle part of the mounting block (42).

5. A coal impurity removal device according to claim 1, characterized in that: It also includes a debris removal mechanism; The impurity removal mechanism comprises a mounting frame (51), a servo motor (52) and an impurity removal screen (53); The mounting frame (51) is fixed to the upper end of the material placing tank (11), and the servo motor (52) passes through the middle of the upper end of the mounting frame (51), and the impurity removal screen (53) is fixed to the lower part of the output end of the servo motor (52).

6. A coal impurity removal device according to claim 5, characterized in that: The outer side of the impurity removal screen (53) is provided with protrusions on two opposite sides, and the protrusions slide in the annular grooves provided on the inner side wall of the material storage tank (11).

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