Dry separation equipment capable of rapidly replacing unit bodies

Abstract

The utility model relates to the technical field of coal mine dry separation, and discloses dry separation equipment capable of rapidly replacing unit bodies, which comprises a raw material conveyor, a gangue conveyor, a filter box and a fine coal conveyor, a winnowing assembly is arranged at the other end, away from the raw material conveyor, of the raw material feeding hopper. According to the dry separation equipment with the unit bodies capable of being rapidly replaced, when the equipment breaks down, due to the fact that underground space is narrow and is not suitable for on-site overhaul, a worker can directly replace a fault assembly and take the fault assembly back to the ground for overhaul, and therefore normal production of a coal mine is not affected; related parts can be disassembled according to actual requirements, switching of the winnowing function and the screening function is achieved, the multifunctionality and applicability of the equipment are greatly improved, all the components of the equipment are matched with one another, and the working mode can be flexibly adjusted under different production scenes and different raw coal characteristics.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine dry separation, specifically to a dry separation equipment capable of quickly replacing unit body. BACKGROUND

[0002] Coal is an important energy resource in China. In the process of coal mining, raw coal usually contains various impurities such as gangue. The existence of these impurities not only reduces the quality of coal, affects its sales price and use efficiency, but also may cause a series of problems in the subsequent transportation, storage and processing process, such as accelerated equipment wear, reduced transportation efficiency, environmental pollution, etc. In order to solve the above problems, coal preparation equipment is often used to separate impurities. As an important link in coal processing, the coal preparation link generally separates impurities in raw coal by physical methods to improve the quality and grade of coal and meet the needs of different users.

[0003] Chinese invention publication number: CN 115254256 A discloses a coal mining coal block sorting device. Under the connection of the extension spring and the extension plate, the elastic sliding of the extension plate in the chute is achieved through the action of the cam, the vibrating screen effect of the screen plate in the sorting bin is realized, and the vibrating screen effect of the coal cinder on the screen plate is realized, thereby preventing the dust caused by later air selection, which causes dust to enter the equipment, affecting the service life and effect of the equipment. However, the coal mining coal block sorting device can avoid the dust effect caused by later air selection, but during use, since it works underground, the space is narrow underground, and when each component fails, it is not convenient to quickly disassemble the faulty component, which leads to the need to pause the dry separation work, thereby affecting the normal production of the coal mine and the working efficiency, and the practicality is poor. SUMMARY

[0004] The utility model solves the technical problem of providing a dry separation equipment capable of quickly replacing unit body, which can effectively solve the problem in the prior art that although the dust effect caused by later air selection can be avoided, during use, since it works underground, the space is narrow underground, and when each component fails, it is not convenient to quickly disassemble the faulty component, which leads to the need to pause the dry separation work, thereby affecting the normal production of the coal mine and the working efficiency, and the practicality is poor.

[0005] The utility model discloses a technical scheme is: a kind of dry sorting equipment capable of quickly replacing unit, including raw material conveyor, gangue conveyor, filter box, cloth bag filtering assembly, mounting plate and clean coal conveyor, raw material conveyor outer surface is fixedly installed with raw material feeding hopper, the other end of raw material feeding hopper away from raw material conveyor is provided with winnowing component, winnowing component inner surface is fixedly installed with sorting plate, sorting plate is located in the inner surface of winnowing component and is provided with gangue discharge slot, the other end of gangue discharge slot away from sorting plate is fixedly installed with gangue discharge pipe, winnowing component inner surface is fixedly installed with sorting installation box, sorting installation box inner surface is fixedly installed with fan, sorting installation box outer surface is fixedly installed with mounting sleeve, sorting installation box outer surface is provided with air outlet pipe one, air outlet pipe one outer surface is provided with air outlet pipe two and air outlet pipe three.

[0006] Preferably, the outer surface of the sorting plate is provided with a plurality of equally spaced wind-permeable grooves, and the sorting plate is located directly above the fan.

[0007] Through the above technical scheme, before the winnowing operation starts, the raw material conveyor stably delivers the raw coal to the raw material feeding hopper, the raw coal falls on the sorting plate after entering the winnowing component, and the fan is started. The airflow generated by the fan passes through the wind-permeable grooves of the sorting plate upwards, so that the lighter coal particles are blown up, and the heavier gangue particles remain on the sorting plate due to gravity.

[0008] Preferably, the sorting plate, the gangue discharge slot and the gangue discharge pipe are provided with three, and the gangue discharge slot is located at the rear side of the sorting installation box.

[0009] Through the above technical scheme, as the winnowing process continues, the gangue particles remaining on the sorting plate move along the sorting plate to the gangue discharge slot under the vibration of the vibration motor. When the gangue particles reach the gangue discharge slot, they will slide into the gangue discharge pipe along the gangue discharge slot. The provision of three sorting plates, gangue discharge slots and gangue discharge pipes increases the processing capacity and sorting efficiency of the gangue, and more raw coal can be sorted and gangue discharged at the same time, which meets the demand for large raw coal processing capacity in coal mines.

[0010] Preferably, the other end of the gangue discharge pipe away from the gangue discharge slot is located directly above the gangue conveyor, and the gangue discharge slot and the gangue discharge pipe are in communication.

[0011] Through the above technical scheme, when the gangue is discharged through the gangue discharge pipe, it directly falls into the gangue conveyor below. The gangue conveyor transports the gangue to the designated stacking site or subsequent processing area. The precise docking of the gangue discharge pipe and the gangue conveyor realizes the automatic collection and transportation of the gangue, reduces manual intervention and reduces labor intensity.

[0012] Preferably, the outer surface of the winnowing assembly is fixedly installed with a mounting rack, the outer surface of the mounting rack is fixedly installed with a vibration motor, and the winnowing assembly is designed in an inclined manner.

[0013] Through the above technical scheme, after the raw coal enters the winnowing assembly, the raw coal is continuously turned and moved on the sorting plate under the vibration of the vibration motor, accelerating the separation process of the coal and the gangue, and the vibration of the vibration motor can effectively prevent the raw coal from accumulating on the sorting plate and blocking the air permeation groove, ensuring the continuous operation of the winnowing process. At the same time, vibration makes the particles in the raw coal more loose, which is beneficial to the winnowing separation, improves the separation efficiency and precision, and the inclined design of the winnowing assembly utilizes the gravity to make the gangue naturally slide into the gangue discharge chute, reduces the residence time of the gangue on the sorting plate, and further improves the processing capacity and working efficiency of the winnowing equipment.

[0014] Preferably, the inner surface of the filter box is fixedly installed with a bag filter assembly, the top of the filter box is fixedly installed with a mounting plate, the outer surface of the filter box is provided with an air inlet pipe, the other end of the air inlet pipe away from the filter box is provided with a coal powder feeding hopper, and the filter box is communicated with the air outlet pipe one, the air outlet pipe two, the air outlet pipe three and the air inlet pipe.

[0015] Through the above technical scheme, the bag filter assembly can effectively filter the coal powder in the air, reduce the pollution of the coal powder to the environment, protect the air quality in the coal mine, and avoid the accumulation of the coal powder in the winnowing equipment. The communication design of the filter box and the air pipes forms a complete air circulation and purification system, so that the dust-containing air generated in the winnowing process can be treated in time.

[0016] Preferably, the outer surface of the winnowing assembly is provided with a selected coal discharge hopper, and the selected coal discharge hopper is located directly above the selected coal conveyor.

[0017] Through the above technical scheme, the selected coal particles after winnowing separation fall into the selected coal conveyor below through the selected coal discharge hopper, and the selected coal conveyor conveys the selected coal to the subsequent processing or storage area. The cooperation of the selected coal discharge hopper and the selected coal conveyor realizes the automatic collection and transportation of the selected coal, improves the production efficiency, and reduces the labor intensity.

[0018] Preferably, the winnowing assembly comprises a winnowing bottom box, the top of the winnowing bottom box is fixedly installed with a buffer gel, and the other end of the buffer gel away from the buffer gel is provided with a winnowing upper cover.

[0019] Through the technical scheme, the buffer colloid plays a buffering role, makes the winnowing upper cover shake with the winnowing bottom box, realizes vibration, and the combination of the winnowing bottom box, the buffer colloid and the winnowing upper cover forms a relatively closed winnowing space, guarantees the stability of airflow in the winnowing process, and is favorable for improving the effect and precision of winnowing.

[0020] Preferably, the cloth bag filtering assembly comprises a cloth bag mounting frame, an installation groove is formed in the inner surface of the cloth bag mounting frame, a cloth bag connecting frame is arranged on the inner surface of the installation groove, a cloth bag body and a sealing gasket are fixedly installed on the inner surface of the cloth bag connecting frame.

[0021] Through the technical scheme, the combination of the cloth bag mounting frame, the cloth bag connecting frame, the cloth bag body and the sealing gasket forms an efficient filtering system. The sealing gasket guarantees the sealing property between the cloth bag connecting frame and the cloth bag mounting frame, prevents dust-containing air from leaking, and improves the filtering effect. The filtering assembly cooperates with other parts such as the winnowing assembly to guarantee the normal operation of the entire winnowing equipment.

[0022] Preferably, a clamping plate is fixedly installed on the outer surface of the sorting plate, an installation bolt is threadedly connected to the outer surface of the clamping plate and penetrates into the inner surface of the winnowing assembly, a positioning frame and a positioning bolt are fixedly installed on the outer surface of the winnowing assembly, a connecting flange is arranged on the outer surface of the air outlet pipe, and the positioning frame is located directly above the installation plate.

[0023] Through the technical scheme, the clamping plate and the installation bolt facilitate the installation and dismounting of the sorting plate, facilitate the cleaning, maintenance or replacement of the sorting plate, guarantee the separation effect of gangue and coal in the winnowing process, and through the design of the positioning frame and the positioning bolt, when the dust removal function is not needed, the positioning frame and the positioning bolt can be dismounted, the functions of winnowing and screening can be realized, and the functions can be selected according to actual use.

[0024] Compared with the prior art, the dry separation equipment capable of quickly replacing unit bodies has the following beneficial effects:

[0025] 1. The dry separation equipment capable of quickly replacing unit bodies, three sorting plates, a gangue discharging groove and a gangue discharging pipe greatly increase the processing capacity of gangue and the separation efficiency of raw coal, can meet the demand of large raw coal processing capacity in a coal mine, effectively improve the production efficiency of coal, cooperate with the vibration of the vibration motor to make the raw coal continuously turn and move on the sorting plate, not only accelerate the separation process of coal and gangue, but also prevent the raw coal from accumulating and clogging the air permeation groove, and guarantee the continuous and efficient winnowing process.

[0026] 2、The dry separation equipment capable of quickly replacing the unit body is reasonable in connection and layout between each part of the whole air separation equipment, each link is closely matched, from the conveying of raw coal, air separation, impurity discharge to the collection and conveying of finished coal, a complete and efficient work flow is formed, the complex working environment and conditions of the coal mine underground can be adapted, stable performance of the equipment in the long-term operation process is ensured, various functions are integrated together, the occupied area can be reduced, and the equipment is convenient to use in the coal mine underground;

[0027] 3、The dry separation equipment capable of quickly replacing the unit body, the air circulation purification system formed by the filter box, the bag filter assembly and various air pipes not only effectively filters the coal powder, protects the air quality underground, but also avoids the accumulation of the coal powder in the equipment, prolongs the service life of the equipment, meanwhile, the sorting plate is fixed through the clamping plate and the mounting bolt, the sorting plate is convenient to disassemble, clean and maintain, the air separation effect is guaranteed, each part of the bag filter assembly is closely combined, the sealing gasket guarantees the sealing property, the maintenance and replacement are facilitated while the filtering is efficient;

[0028] 4、The dry separation equipment capable of quickly replacing the unit body, when the equipment fails, because the space underground is narrow, on-site maintenance is not suitable, the staff can directly replace the faulty assembly and take it back to the ground for maintenance, so that the normal production of the coal mine is not affected, in cooperation with the positioning frame and the positioning bolt outside the air separation assembly, related parts can be disassembled according to actual needs, the switching of the air separation and screening functions is realized, the multifunctionality and applicability of the equipment are greatly improved, and each assembly of the equipment is matched with each other, and can flexibly adjust the working mode under different production scenes and raw coal characteristics. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a three-dimensional structure diagram of the utility model Figure 1 ;

[0030] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 2 ;

[0031] Figure 3 It is a three-dimensional structure diagram of the utility model air separation assembly;

[0032] Figure 4 It is a three-dimensional structure diagram of the utility model air separation assembly and vibration motor installation structure;

[0033] Figure 5 It is a three-dimensional structure diagram of the utility model air separation assembly disassembly structure;

[0034] Figure 6 It is a three-dimensional structure diagram of the utility model sorting installation box and fan installation structure;

[0035] Figure 7 It is a three-dimensional structure diagram of the utility model filter box and bag filter assembly installation structure.

[0036] The components include: 1. Raw material conveyor; 2. Raw material feed hopper; 3. Air separation assembly; 301. Air separation bottom box; 302. Buffer colloid; 303. Air separation top cover; 4. Mounting frame; 5. Vibrating motor; 6. Sorting plate; 7. Ventilation trough; 8. Gangue discharge trough; 9. Gangue discharge pipe; 10. Gangue conveyor; 11. Sorting mounting box; 12. Fan; 13. Mounting sleeve; 14. Fine coal discharge hopper; 15. Air outlet pipe one; 16. ... 17. Air duct 2; 18. Air outlet duct 3; 19. Filter box; 10. Bag filter assembly; 11. Bag mounting frame; 19. Mounting groove; 19. Bag connecting frame; 19. Bag body; 19. Sealing gasket; 20. Mounting plate; 21. Air inlet duct; 22. Pulverized coal feed hopper; 23. Fine coal conveyor; 24. Clamping plate; 25. Mounting bolt; 26. Positioning frame; 27. Positioning bolt; 28. Connecting flange. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] Example 1: As Figures 1-7 As shown, the present invention provides a dry separation device capable of quickly replacing unit bodies, including a raw material conveyor 1, a gangue conveyor 10, a filter box 18, a bag filter assembly 19, a mounting plate 20, and a coal concentrate conveyor 23. A raw material feed hopper 2 is fixedly installed on the outer surface of the raw material conveyor 1. An air separation assembly 3 is provided at the other end of the raw material feed hopper 2 away from the raw material conveyor 1. A separation plate 6 is fixedly installed on the inner surface of the air separation assembly 3. A gangue discharge chute 8 is opened on the inner surface of the separation plate 6. A gangue discharge pipe 9 is fixedly installed at the other end of the gangue discharge chute 8 away from the separation plate 6. A separation mounting box 11 is fixedly installed on the inner surface of the air separation assembly 3. A blower 12 is fixedly installed on the inner surface of the separation mounting box 11. An mounting sleeve 13 is fixedly installed on the outer surface of the separation mounting box 11. An air outlet pipe 15 is provided on the outer surface of the separation mounting box 11. An air outlet pipe 2 16 and an air outlet pipe 3 17 are provided on the outer surface of the air outlet pipe 15.

[0039] Specifically, the outer surface of the sorting plate 6 is provided with a plurality of equidistantly distributed air-permeable grooves 7, the sorting plate 6 is located directly above the fan 12, and the advantage is that before the air separation operation starts, the raw coal conveying machine 1 can stably convey the raw coal to the raw material feeding hopper 2, the raw coal falls on the sorting plate 6 after entering the air separation assembly 3, and the fan 12 is started. The airflow generated by the fan 12 passes through the air-permeable grooves 7 of the sorting plate 6 upwards, so that the lighter coal particles are blown up, and the heavier gangue particles remain on the sorting plate 6 due to gravity.

[0040] Specifically, the sorting plate 6, the gangue discharging groove 8 and the gangue discharging pipe 9 are provided with the same three, the gangue discharging groove 8 is located at the rear side of the sorting installation box 11, and the advantage is that as the air separation process continues, the gangue particles remaining on the sorting plate 6 move along the sorting plate 6 to the gangue discharging groove 8 under the vibration of the vibration motor 5, and when the gangue particles reach the gangue discharging groove 8, they will slide into the gangue discharging pipe 9 along the gangue discharging groove 8. The setting of the three sorting plates 6, the gangue discharging groove 8 and the gangue discharging pipe 9 increases the processing capacity and the sorting efficiency of the gangue, and more raw coal can be sorted and gangue discharged at the same time, which meets the demand of large raw coal processing capacity in the coal mine.

[0041] Specifically, the other end of the gangue discharging pipe 9 away from the gangue discharging groove 8 is located directly above the gangue conveying machine 10, and the gangue discharging groove 8 and the gangue discharging pipe 9 are communicated, and the advantage is that when the gangue is discharged through the gangue discharging pipe 9, it directly falls on the gangue conveying machine 10 below. The gangue conveying machine 10 transports the gangue to the designated stacking site or subsequent processing area, the precise docking of the gangue discharging pipe 9 and the gangue conveying machine 10 realizes the automatic collection and transportation of the gangue, reduces the manual intervention, and reduces the labor intensity.

[0042] Embodiment two: as shown in Figures 2-7 the improvement of the previous embodiment.

[0043] Specifically, the outer surface of the sorting plate 6 is provided with a plurality of equidistantly distributed air-permeable grooves 7, the sorting plate 6 is located directly above the fan 12, and the advantage is that before the air separation operation starts, the raw coal conveying machine 1 can stably convey the raw coal to the raw material feeding hopper 2, the raw coal falls on the sorting plate 6 after entering the air separation assembly 3, and the fan 12 is started. The airflow generated by the fan 12 passes through the air-permeable grooves 7 of the sorting plate 6 upwards, so that the lighter coal particles are blown up, and the heavier gangue particles remain on the sorting plate 6 due to gravity.

[0044] Specifically, the inner surface of the filter box 18 is fixedly installed with a cloth bag filtering assembly 19, the top of the filter box 18 is fixedly installed with a mounting plate 20, the outer surface of the filter box 18 is provided with an air inlet pipe 21, the other end of the air inlet pipe 21 away from the filter box 18 is provided with a coal powder feeding hopper 22, and the filter box 18 is communicated with the air outlet pipe one 15, the air outlet pipe two 16, the air outlet pipe three 17 and the air inlet pipe 21, which has the advantages that the cloth bag filtering assembly 19 can effectively filter the coal powder in the air, reduces the pollution of the coal powder to the environment, protects the air quality in the coal mine underground, and avoids the accumulation of the coal powder in the air separation equipment. The communication design of the filter box 18 and the air pipes forms a complete air circulation and purification system, so that the dust-containing air generated in the air separation process can be treated in time.

[0045] Specifically, the outer surface of the air separation assembly 3 is provided with a fine coal discharging hopper 14, and the fine coal discharging hopper 14 is located directly above a fine coal conveyor 23, which has the advantages that the fine coal particles separated through air separation fall into the fine coal conveyor 23 below through the fine coal discharging hopper 14, and the fine coal conveyor 23 conveys the fine coal to a subsequent processing or storage area. The cooperation of the fine coal discharging hopper 14 and the fine coal conveyor 23 realizes automatic collection and transportation of the fine coal, improves production efficiency, and reduces labor intensity.

[0046] Embodiment three: as shown in the following table, which is an improvement on the previous embodiment. Figures 2-7

[0047] Specifically, the air separation assembly 3 comprises an air separation bottom box 301, the top of the air separation bottom box 301 is fixedly installed with a buffer gel 302, and the other end of the buffer gel 302 away from the buffer gel 302 is provided with an air separation upper cover 303, which has the advantages that the buffer gel 302 plays a buffering role, so that the air separation upper cover 303 shakes with the air separation bottom box 301 to realize vibration, and the combination of the air separation bottom box 301, the buffer gel 302 and the air separation upper cover 303 forms a relatively closed air separation space, which guarantees the stability of airflow in the air separation process and is conducive to improving the effect and precision of air separation.

[0048] Specifically, the cloth bag filtering assembly 19 comprises a cloth bag mounting frame 1901, the inner surface of the cloth bag mounting frame 1901 is provided with a mounting groove 1902, the inner surface of the mounting groove 1902 is provided with a cloth bag connecting frame 1903, the inner surface of the cloth bag connecting frame 1903 is fixedly installed with a cloth bag body 1904 and a sealing gasket 1905, which has the advantages that the combination of the cloth bag mounting frame 1901, the cloth bag connecting frame 1903, the cloth bag body 1904 and the sealing gasket 1905 forms an efficient filtering system. The sealing gasket 1905 guarantees the sealing property between the cloth bag connecting frame 1903 and the cloth bag mounting frame 1901, prevents dust-containing air from leaking, improves the filtering effect, and ensures the normal operation of the entire air separation equipment.​

[0049] Specifically, the outer surface of the sorting plate 6 is fixedly installed with a clamping plate 24, the outer surface of the clamping plate 24 is threadedly connected with a mounting bolt 25 penetrating into the inner surface of the winnowing assembly 3, the outer surface of the winnowing assembly 3 is fixedly installed with a positioning frame 26 and a positioning bolt 27, the outer surface of the air outlet pipe 15 is provided with a connecting flange 28, and the positioning frame 26 is located directly above the mounting plate 20. The clamping plate 24 and the mounting bolt 25 are designed to facilitate the installation and disassembly of the sorting plate 6, so that the sorting plate 6 can be conveniently cleaned, maintained or replaced, the separation effect of gangue and coal in the winnowing process is ensured, the positioning frame 26 and the positioning bolt 27 are designed, when the dust removal function is not needed, the positioning frame 26 and the positioning bolt 27 can be disassembled, the functions of winnowing and screening can be realized, and the functions can be selected according to actual use.

[0050] Working principle: in use, the raw material conveyor 1 transports raw coal through the raw material feeding hopper 2 to the winnowing assembly 3, the sorting plate 6 in the winnowing assembly 3 is located directly above the fan 12, and a plurality of equally distributed air-permeable grooves 7 are formed on the outer surface of the sorting plate 6, after the fan 12 is started, the airflow generated passes through the air-permeable grooves 7 upwards, the lighter coal particles are blown up, and the heavier gangue particles remain on the sorting plate 6 due to gravity, realizing the preliminary separation of coal and gangue, the sorting plate 6, the gangue discharging groove 8 and the gangue discharging pipe 9 are all provided with three, with the continuous winnowing, the gangue particles move along the sorting plate 6 to the gangue discharging groove 8 under the vibration of the vibration motor, and then slide into the gangue discharging pipe 9, one end of the gangue discharging pipe 9 away from the gangue discharging groove 8 is located directly above the gangue conveyor 10 and communicates with the gangue discharging groove 8, the gangue falls directly into the gangue conveyor 10 through the gangue discharging pipe 9, the gangue conveyor 10 transports the gangue to the designated place, realizing the automatic collection and transportation of the gangue, the vibration motor is fixedly installed on the mounting frame 4 outside the outer surface of the winnowing assembly 3, and the winnowing assembly 3 is designed in an inclined manner, after the raw coal enters the winnowing assembly 3, it is constantly turned and moved on the sorting plate 6 under the vibration of the vibration motor, accelerating the separation process of coal and gangue, at the same time, the vibration prevents the raw coal from accumulating and blocking the air-permeable grooves 7 on the sorting plate 6, the inclined design of the winnowing assembly 3 utilizes gravity to make the gangue naturally slide to the gangue discharging groove 8, improving the processing capacity and working efficiency of the winnowing equipment, the selected coal particles after winnowing and separation fall into the selected coal conveyor 23 below through the selected coal discharging hopper 14 on the outer surface of the winnowing assembly 3, the selected coal conveyor 23 transports the selected coal to the subsequent processing or storage area, realizing the automatic collection and transportation of the selected coal, the sorting installation box 11 in the winnowing assembly 3 is provided with the air outlet pipe one 15, the air outlet pipe two 16 and the air outlet pipe three 17 on the outer surface, the filter box 18 is provided with the bag filter assembly 19, the filter box 18 communicates with the air inlet pipe 21 through the air outlet pipe one 15, the air outlet pipe two 16, the air outlet pipe three 17 and the air inlet pipe 21, the other end of the air inlet pipe 21 is provided with the coal powder feeding hopper 22, the dust-containing air generated during the winnowing process enters the filter box 18 through the air pipe, the bag filter assembly 19 filters the coal powder in the air, forming a complete air circulation and purification system, reducing the pollution of coal powder to the environment and avoiding its accumulation in the equipment, the winnowing assembly 3 is composed of the winnowing bottom box 301, the buffer body 302 and the winnowing upper cover 303, the buffer body 302 plays a buffering role and forms a relatively closed winnowing space at the same time, ensuring the stability of the airflow during the winnowing process, the bag filter assembly 19 is composed of the bag mounting frame 1901, the bag connecting frame 1903, the bag body 1904 and the sealing gasket 1905, the sealing gasket 1905 ensures the sealing between the bag connecting frame 1903 and the bag mounting frame 1901, efficiently filters the dust-containing air, and works with the winnowing assembly 3 and other components to ensure the normal operation of the equipment, the sorting plate 6 is fixed in the winnowing assembly 3 through the clamping plate 24 and the mounting bolt 25, facilitating installation and disassembly, and being convenient for cleaning, maintenance or replacement, the positioning frame 26 and the positioning bolt 27 outside the winnowing assembly 3 can be adjusted according to actual needs,The related parts are disassembled when the dust removal function is not needed, and the switching of the winnowing and screening functions is realized.

[0051] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dry coal separation device capable of rapid unit replacement, comprising a raw material conveyor (1), a gangue conveyor (10), a filter box (18), a bag filter assembly (19), a mounting plate (20), and a coal concentrate conveyor (23), characterized in that: A raw material feed hopper (2) is fixedly installed on the outer surface of the raw material conveyor (1). An air separation component (3) is provided at the other end of the raw material feed hopper (2) away from the raw material conveyor (1). A sorting plate (6) is fixedly installed on the inner surface of the air separation component (3). A gangue discharge trough (8) is opened on the inner surface of the sorting plate (6). A gangue discharge pipe (9) is fixedly installed at the other end of the gangue discharge trough (8) away from the sorting plate (6). A sorting installation box (11) is fixedly installed on the inner surface of the air separation component (3). A blower (12) is fixedly installed on the inner surface of the sorting installation box (11). An installation sleeve (13) is fixedly installed on the outer surface of the sorting installation box (11). An air outlet pipe one (15) is provided on the outer surface of the air outlet pipe one (15). An air outlet pipe two (16) and an air outlet pipe three (17) are provided on the outer surface of the air outlet pipe one (15).

2. The dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: The outer surface of the sorting plate (6) is provided with a plurality of equally spaced ventilation slots (7), and the sorting plate (6) is located directly above the fan (12).

3. The dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: The sorting plate (6), the gangue discharge chute (8) and the gangue discharge pipe (9) are provided in three identical parts, and the gangue discharge chute (8) is located on the rear side of the sorting installation box (11).

4. The dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: The other end of the gangue discharge pipe (9) away from the gangue discharge chute (8) is located directly above the gangue conveyor (10), and the gangue discharge chute (8) and the gangue discharge pipe (9) are connected.

5. A dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: The wind separator (3) has a mounting bracket (4) fixedly installed on its outer surface, and a vibration motor (5) is fixedly installed on the outer surface of the mounting bracket (4). The wind separator (3) has an inclined design.

6. The dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: A bag filter assembly (19) is fixedly installed on the inner surface of the filter box (18). An installation plate (20) is fixedly installed on the top of the filter box (18). An air inlet pipe (21) is provided on the outer surface of the filter box (18). A coal powder feed hopper (22) is provided at the other end of the air inlet pipe (21) away from the filter box (18). The filter box (18) is connected to the air inlet pipe (21) through an air outlet pipe (15), an air outlet pipe (16), an air outlet pipe (17), and an air outlet pipe (21).

7. A dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: The outer surface of the air separation component (3) is provided with a fine coal feeding hopper (14), which is located directly above the fine coal conveyor (23).

8. A dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: The air classifier assembly (3) includes an air classifier bottom box (301), a buffer colloid (302) is fixedly installed on the top of the air classifier bottom box (301), and an air classifier top cover (303) is provided at the other end of the buffer colloid (302) away from the buffer colloid (302).

9. A dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: The bag filter assembly (19) includes a bag mounting frame (1901), an mounting groove (1902) is provided on the inner surface of the bag mounting frame (1901), a bag connecting frame (1903) is provided on the inner surface of the mounting groove (1902), and a bag body (1904) and a sealing gasket (1905) are fixedly installed on the inner surface of the bag connecting frame (1903).

10. A dry separation device capable of quickly changing unit bodies according to claim 1, characterized in that: A clamping plate (24) is fixedly installed on the outer surface of the sorting plate (6). The outer surface of the clamping plate (24) is threaded to a mounting bolt (25) that penetrates to the inner surface of the air separator (3). A positioning frame (26) and a positioning bolt (27) are fixedly installed on the outer surface of the air separator (3). A connecting flange (28) is provided on the outer surface of the air outlet pipe (15). The positioning frame (26) is located directly above the mounting plate (20).

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