Coal briquette sorting device

Abstract

The utility model relates to the technical field of sorting devices, in particular to a coal briquette sorting device which comprises a shell assembly used for protecting an internal structure, a cleaning assembly is arranged on one side of the top of the shell assembly, a screening assembly is arranged in the shell assembly, and the shell assembly comprises a feeding port and a shell arranged below the feeding port. The cleaning assembly comprises a water pipe and a water pump connected with the water pipe, a funnel is arranged below the water pump, the screening assembly comprises a first partition plate and a second partition plate, a first screening plate is arranged in the middle of the first partition plate, and a vibration motor is arranged at the bottom of one side of the second partition plate. Coal briquettes are continuously cleaned under cooperation of a water pipe, a spray head and a water pump, a screening assembly is arranged to screen the coal briquettes, and a first partition plate and a second partition plate are matched with a first screen plate and a second screen plate to facilitate classified screening of the cleaned and fallen coal briquettes; and the inclination degrees of the first partition plate and the second partition plate and the arrangement of the vibration motor are favorable for increasing the speed of screening the coal briquettes.

Description

Technical Field

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

[0002] Coal block sorting device is a device used to separate and screen raw coal according to properties such as particle size and density. It can improve the quality and utilization value of coal and adapt to different processing and use requirements. In coal mine processing, the application of coal block sorting device can improve coal quality, improve production efficiency, reduce the emission of waste such as gangue, and reduce pollution to the environment;

[0003] The utility model with announcement number CN218655349U discloses a coal block sorting device, which relates to the technical field of coal block processing, including a device body, a mounting groove is provided at the bottom end of the device body, and a movable plate is movably provided inside the mounting groove, a filter hole is penetrated through the top end of the movable plate, and plug holes are penetrated through the middle of both sides of the bottom end of the movable plate, and a plug rod is movably provided inside the plug hole, the top end of the plug rod is fixedly connected to the top inner wall of the mounting groove, and a limit plate is movably sleeved at the bottom end of the plug rod through a bearing, and one side of the limit plate is protruding;

[0004] The above technical solution, through the detachable setting of the movable plate, when it needs to be replaced, by rotating the two limit plates until the protrusions on the limit plates are aligned with the extension slots, the movable plate can be pulled downward to make the limit plates pass through the insertion holes and the extension slots to remove the movable plate. The installation and disassembly are simple and convenient, which is conducive to conveniently replacing movable plates with different apertures and screening coal blocks of different sizes, thereby improving practicality. However, there is a lot of dust on the surface of the coal blocks after they are mined, and no cleaning device is installed, and the movable plates need to be replaced manually to screen coal blocks of different sizes. Utility Model Content

[0005] The utility model aims to provide a coal block sorting device to solve the problem in the above background technology that the coal blocks have a lot of dust on the surface after being mined, there is no cleaning device installed, and the movable plate needs to be manually replaced to screen coal blocks of different sizes.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A coal block sorting device comprises a shell assembly for screening coal blocks, a cleaning assembly is provided on one side of the top of the shell assembly, a screening assembly is provided inside the shell assembly, the shell assembly comprises a feed port and an outer shell provided below the feed port, a guide plate is provided on one side of the feed port, a base is provided at the bottom of the outer shell, the cleaning assembly comprises a water pipe and a water pump connected to the water pipe, a funnel is provided below the water pump, the screening assembly comprises a first partition plate and a second partition plate, a first screen plate is provided in the middle of the first partition plate, a second screen plate is provided in the middle of the second partition plate, a vibration motor is provided at the bottom of one side of the second partition plate, and rods are symmetrically provided on both sides of the bottom of the second partition plate, and springs are sleeved on the outside of the rods.

[0008] Preferably, a waste water tank is provided on the left side of the base, and a first coal block box and a second coal block box are provided on the right side of the base, and the waste water tank is plugged and fixed to the base.

[0009] In the utility model, a guide plate is provided to facilitate guiding the coal blocks at the feed port into the funnel, a base is provided to facilitate providing stable support for the screening component, a waste water tank is provided to facilitate storing the aqueous solution used to clean the coal blocks, two grooves are provided on the right side of the base at the corresponding positions of the first coal block box and the second coal block box, which are convenient for placing the first coal block box and the second coal block box, handles are provided on the waste water tank and the outside of the first coal block box and the second coal block box, the handles are connected to the waste water tank, the first coal block box and the second coal block box by screws, a pull-out box is provided near the bottom inside the first coal block box and the second coal block box, a screen is provided above the pull-out box, and a pull-out box is provided. The screen helps to isolate moisture from the cleaned coal blocks. When the coal blocks enter the first coal block box and the second coal block box and stand still for a period of time, the moisture enters the pull-out box through the screen. The first coal block box and the second coal block box are provided with handles to provide support points for the opening and closing of the wastewater tank and the first coal block box. The plug-in fixation facilitates the timely cleaning of the wastewater tank. A door panel is provided on the left side of the shell. The door panel and the side wall of the shell are rotatably connected by a pin shaft. The rotating connection realizes convenient opening and closing of the door panel. A handrail is provided on the door panel and the handrail is welded and fixed to the door panel. The welding fixation increases the overall structural strength. The handrail increases the convenience of inspecting the internal structure of the shell.

[0010] Preferably, a water outlet pipe is provided at the front end of the water pump, the water outlet pipe is fixedly connected to the water pipe, and the funnel is bonded and fixed to the inner wall of the shell.

[0011] In the utility model, a plurality of nozzles are arranged on the water pipe, the nozzles are distributed at equal intervals and are welded and fixed to the water pipe. The equal interval distribution of the nozzles facilitates uniform cleaning of coal blocks, and welding and fixing increase the overall structural strength. A square plate is arranged at the bottom of the water pump, and the square plate provides a stable supporting surface for the water pump. The square plate is welded and fixed to the outer wall on one side of the feed port, and welding and fixing increase the overall structural strength. A funnel is arranged to facilitate centralized cleaning of coal blocks by the water pipe.

[0012] Preferably, a round rod is provided at the bottom of the first partition, and the top of each round rod is bonded and fixed to the first partition. Rectangular blocks are provided around the bottom of the second partition, the top of the spring is bonded and fixed to the rectangular block, and the bottom end of the spring is bonded and fixed to the recovery bucket. The first partition and the second partition are provided with a first discharge plate and a second discharge plate at their right ends.

[0013] In the utility model, the bottom of the round rod is bonded and fixed to the second partition, and the upper and lower ends of the round rod are bonded and fixed to the first partition and the second partition to increase the overall structural strength. The first screen plate is provided with a first circular hole, and the second screen plate is provided with a second circular hole. The first circular hole and the second circular hole are arranged in an equidistant matrix, and the equidistant arrangement is convenient for uniformly screening coal blocks. The inner diameter of the first circular hole is larger than the inner diameter of the second circular hole, so that coal blocks of different sizes can be screened. The first screen plate and the second screen plate are provided to facilitate filtering impurities at the same time. The first partition and the second partition are provided to reduce the spilling of coal blocks. The bottom of the rectangular block is plugged and fixed to the top of the plug rod, and the bottom of the plug rod is bonded and fixed to the surface of the recovery bucket. The recovery bucket is The bucket provides stable support for the insertion rod, and the bonding fixation increases the stability of the overall structure. The plug-in fixation facilitates the cooperation of the insertion rod between the rectangular block and the recovery bucket, which helps the first partition and the second partition to move up and down stably in the vertical direction. The bonding fixation maintains the stability of the spring, the rectangular block, and the recovery bucket. The spring has telescopic elasticity, which helps the first partition and the second partition to restore their initial positions. The vibration motor is fixedly connected to the second partition, and the vibration motor is set to provide a continuous and stable vibration amplitude for the first partition and the second partition. At the same time, the first partition and the second partition are installed at an inclined angle to increase the movement speed of the coal block, which improves the speed of coal block screening compared with the ordinary parallel screen.

[0014] Secondly, a first coal block box is provided at a corresponding position below the first discharging plate, which is convenient for sending coal blocks larger than the first circular hole to the first coal block box for fixed storage. The first discharging plate and the second discharging plate are respectively bonded and fixed to the first partition plate and the second partition plate. The bonding and fixation increase the overall structural strength. The second coal block box is provided at a corresponding position below the second discharging plate, which is convenient for collecting coal blocks smaller than the first circular hole and larger than the second circular hole.

[0015] Preferably, the first sieve plate and the second sieve plate are provided with handles on the left side, and the handles are bonded and fixed to the first sieve plate and the second sieve plate. A recovery bucket is provided under the second partition plate and support feet are provided around the recovery bucket, and the support feet are bonded and fixed to the base.

[0016] In the utility model, slots are provided at the left sides of the first partition plate and the second partition plate corresponding to the first sieve plate and the second sieve plate, the first sieve plate and the second sieve plate are respectively plugged and fixed with the slots, threaded holes are respectively provided around the surfaces of the first sieve plate and the second sieve plate, after the first sieve plate and the second sieve plate are plugged into the slots, nuts are screwed into the threaded holes for fixing, the slots are provided to facilitate the first sieve plate and the second sieve plate to be pulled out for replacement, a handle is provided to provide a support point for pulling out the first sieve plate and the second sieve plate, bonding and fixing increase the stability of the overall structure, a recovery bucket is provided to facilitate the collection of the water solution and other impurities after coal block cleaning into the wastewater tank, a supporting foot is provided to provide a stable supporting point for the recovery bucket, bonding and fixing increase the overall structural strength of the supporting foot and the base.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model cleans the coal blocks by setting a cleaning component, and realizes continuous cleaning of the coal blocks with the cooperation of the water pipe, the nozzle and the water pump. The nozzles are evenly spaced to facilitate uniform spraying of the coal blocks. The funnel is set to facilitate centralized cleaning of the coal blocks. The water pump is installed on the outer wall of the feed port to ensure the supply of cleaning water. A screening component is set to screen the coal blocks. The first partition and the second partition cooperate with the first screen plate and the second screen plate to help classify and screen the cleaned and fallen coal blocks. Coal blocks smaller than the first circular hole size fall from the first screen plate, and coal blocks larger than the first circular hole size are guided and discharged from the first discharging plate, and coal blocks smaller than the second circular hole size fall from the second screen plate, and coal blocks larger than the second circular hole size are guided and discharged from the second discharging plate, and enter the first coal block box and the second coal block box for centralized storage. The inclination degree of the first partition and the second partition and the setting of the vibration motor are helpful to increase the speed of screening coal blocks.

[0019] 2. The utility model is helpful to collect the fallen aqueous solution and impurities by providing a recovery bucket and a waste water tank. With the cooperation of the handle, it is helpful to take out and replace the waste water tank. The coal block box is helpful to store the coal blocks trapped on the second screen plate. At the same time, the left door panel of the shell can be opened to disassemble and repair the screening components inside the shell in time. The slot is provided to facilitate the removal and replacement of the first screen plate and the second screen plate. A pull-out box is provided at the bottom of the first coal block box and the second coal block box. A screen is provided inside the pull-out box to isolate the moisture of the cleaned coal blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the coal block separator of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall internal structure of the coal block separator of the utility model;

[0022] Figure 3This is the first coal block box of the utility model. The second coal block box structure schematic diagram;

[0023] Figure 4 This is a schematic diagram of the structure of the outer shell door panel of the utility model;

[0024] Figure 5 This is a schematic diagram of the screening component structure of the utility model.

[0025] The meaning of each number in the figure is:

[0026] 1. Shell assembly; 10. Feed inlet; 100. Guide plate; 11. Shell; 110. Base; 111. Wastewater tank; 112. First coal block box; 113. Second coal block box;

[0027] 2. Cleaning components; 20. Water pipe; 21. Water pump; 22. Funnel;

[0028] 3. Screening assembly; 30. First partition; 300. First screen plate; 301. Round rod; 31. Second partition; 310. Second screen plate; 311. Vibrating motor; 32. Insert rod; 320. Spring; 33. Recovery bucket. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-Figure 5 , this embodiment provides a technical solution:

[0031] A coal block sorting device includes a shell assembly 1 for protecting an internal structure, a cleaning assembly 2 is provided on one side of the top of the shell assembly 1, a screening assembly 3 is provided inside the shell assembly 1, the shell assembly 1 includes a feed port 10 and a shell 11 provided below the feed port 10, a guide plate 100 is provided on one side of the feed port 10, a base 110 is provided at the bottom of the shell 11, a waste water tank 111 is provided on the left side of the base 110, a first coal block box 112 and a second coal block box 113 are provided on the right side of the base 110, and the waste water tank 111 is plugged and fixed to the base 110.

[0032] In the utility model, a guide plate 100 is provided to facilitate guiding the coal blocks of the feed port 10 into the funnel 22, a base 110 is provided to facilitate providing stable support for the screening component 3, and a waste water tank 111 is provided to facilitate storing the aqueous solution for washing the coal blocks. Two grooves are provided on the right side of the base 110 at the corresponding positions of the first coal block box 112 and the second coal block box 113, which are convenient for placing the first coal block box 112 and the second coal block box 113. The waste water tank 111 and the first coal block box 112 and the second coal block box 113 are provided with handles on the outside, and the handles are connected to the waste water tank 111, the first coal block box 112, and the second coal block box 113 by screws. A pull-out box is provided near the bottom of the first coal block box 112 and the second coal block box 113, and a screen is provided above the pull-out box.

[0033] Secondly, setting a screen helps to isolate moisture from the cleaned coal blocks. When the coal blocks enter the first coal block box 112 and the second coal block box 113 and stand for a period of time, the moisture enters the pull-out box through the screen. The first coal block box 112 and the second coal block box 113 are provided with handles to provide support points for the opening and closing of the waste water tank 111 and the first coal block box 112. The plug-in fixation facilitates the timely cleaning of the waste water tank 111. A door panel is provided on the left side of the outer shell 11. The door panel is rotatably connected to the side wall of the outer shell 11 by a pin shaft. The rotating connection realizes convenient opening and closing of the door panel. A handrail is provided on the door panel and the handrail is welded and fixed to the door panel. The welding fixation increases the overall structural strength. The handrail increases the convenience of inspecting the internal structure of the outer shell 11.

[0034] Among them, the screening component 3 includes a first partition 30 and a second partition 31, a first screen plate 300 is provided in the middle of the first partition 30, a second screen plate 310 is provided in the middle of the second partition 31, a vibration motor 311 is provided at the bottom of one side of the second partition 31, and plug rods 32 are symmetrically provided on both sides of the bottom of the second partition 31, and springs 320 are sleeved on the outside of the plug rods 32. A round rod 301 is provided at the bottom of the first partition 30, and the top of each round rod 301 is bonded and fixed to the first partition 30. Rectangular blocks are provided around the bottom of the second partition 31, the top of the spring 320 is bonded and fixed to the rectangular block, and the bottom end of the spring 320 is bonded and fixed to the recovery bucket 33. The first partition 30 and the second partition 31 are provided with a first discharge plate and a second discharge plate at the right ends.

[0035] In the utility model, the bottom of the round rod 301 is bonded and fixed to the second partition plate 31, and the upper and lower ends of the round rod 301 are bonded and fixed to the first partition plate 30 and the second partition plate 31 to increase the overall structural strength. The first screen plate 300 is provided with a first circular hole, and the second screen plate 310 is provided with a second circular hole. The first circular hole and the second circular hole are arranged in an equidistant matrix, and the equidistant arrangement facilitates uniform screening of coal blocks. The inner diameter of the first circular hole is larger than the inner diameter of the second circular hole, so that coal blocks of different sizes can be screened.

[0036] Furthermore, the first sieve plate 300 and the second sieve plate 310 are provided to facilitate filtering impurities at the same time, and the first partition plate 30 and the second partition plate 31 are provided to reduce the spillage of coal blocks, the bottom of the rectangular block is plugged and fixed to the top of the plug rod 32, the bottom of the plug rod 32 is bonded and fixed to the surface of the recovery bucket 33, and the recovery bucket 33 provides a stable support for the plug rod 32, and the bonding and fixing increase the stability of the overall structure. The plug-in fixing facilitates the cooperation of the plug rod 32 between the rectangular block and the recovery bucket 33, which helps the first partition plate 30 and the second partition plate 31 to be stable in the vertical direction. The spring 320 is fixed to move up and down, and the stability of the rectangular block and the recovery bucket 33 is maintained by bonding and fixing. The spring 320 has telescopic elasticity, which helps the first partition 30 and the second partition 31 to restore the initial position. The vibration motor 311 is fixedly connected to the second partition 31, and the vibration motor 311 is set to provide a continuous and stable vibration amplitude for the first partition 30 and the second partition 31. At the same time, the first partition 30 and the second partition 31 are installed at an inclined angle to increase the movement speed of the coal blocks, which improves the speed of coal block screening compared with the ordinary parallel screen.

[0037] Secondly, a first coal block box 112 is provided at a corresponding position below the first discharging plate, so as to facilitate sending coal blocks larger than the first circular hole to the first coal block box 112 for fixed storage. The first discharging plate and the second discharging plate are respectively bonded and fixed to the first partition plate 30 and the second partition plate 31, and the bonding and fixation increase the overall structural strength. The second coal block box 113 is provided at a corresponding position below the second discharging plate, so as to facilitate collecting coal blocks smaller than the first circular hole and larger than the second circular hole.

[0038] In addition, handles are provided on the left side of the first sieve plate 300 and the second sieve plate 310, and the handles are bonded and fixed to the first sieve plate 300 and the second sieve plate 310. A recovery bucket 33 is provided under the second partition plate 31 and support feet are provided around the recovery bucket 33, and the support feet are bonded and fixed to the base 110.

[0039] In the utility model, slots are provided on the left sides of the first partition plate 30 and the second partition plate 31 corresponding to the first sieve plate 300 and the second sieve plate 310. The first sieve plate 300 and the second sieve plate 310 are respectively plugged and fixed into the slots. Threaded holes are provided around the surfaces of the first sieve plate 300 and the second sieve plate 310. After the first sieve plate 300 and the second sieve plate 310 are plugged into the slots, nuts are screwed into the threaded holes for fixing. The slots are provided to facilitate the first sieve plate 300 and the second sieve plate 310 to be pulled out for replacement. A handle is provided to provide a support point for pulling out the first sieve plate 300 and the second sieve plate 310. Adhesive fixation increases the stability of the overall structure. A recovery bucket 33 is provided to facilitate the collection of the aqueous solution and other impurities after coal block cleaning into the wastewater tank 111. Support feet are provided to provide a stable support point for the recovery bucket 33. Adhesive fixation increases the overall structural strength of the support feet and the base 110.

[0040] It is worth adding that the cleaning component 2 includes a water pipe 20 and a water pump 21 connected to the water pipe 20 , a funnel 22 is provided under the water pump 21 , a water outlet pipe is provided at the front end of the water pump 21 , the water outlet pipe is fixedly connected to the water pipe 20 , and the funnel 22 is bonded and fixed to the inner wall of the outer shell 11 .

[0041] In the utility model, a plurality of nozzles are arranged on the water pipe 20, and the nozzles are evenly spaced and welded to the water pipe 20. The evenly spaced distribution of the nozzles facilitates uniform cleaning of the coal blocks, and welding and fixing increase the overall structural strength. A square plate is arranged at the bottom of the water pump 21, and the square plate provides a stable support surface for the water pump 21. The square plate is welded to the outer wall on one side of the feed port 10, and welding and fixing increase the overall structural strength. A funnel 22 is arranged to facilitate the water pipe 20 to centrally clean the coal blocks.

[0042] When the coal block sorting device of this embodiment is in use, the user first connects the base 110 with the waste water tank 111 and the first coal block box 112 to the outer shell 11, fixes the outer shell 11 to the feed port 10, glues and fixes the water pipe 20 to the water outlet pipe of the water pump 21, glues and fixes one side of the feed port 10 to the guide plate 100, connects the outer wall of one side of the feed port 10 to the square plate, places the water pump 21 on the square plate, and combines the water pipe 20 with the feed port 10 for combination connection. The funnel 22 is glued to the corresponding position below the water pipe 20, and the vibration motor 311 is fixedly connected to the lower left side of the second partition 31. The top of the insertion rod 32 with the spring 320 is inserted in the middle of the rectangular block, and the two ends of the round rod 301 are respectively connected to the first partition 30 and the second partition 31. The rectangular blocks are respectively connected to the bottom of the second partition 31 around. The bottom of the plug rod 32 is connected to the four corners of the surface of the recovery bucket 33, the first sieve plate 300 and the second sieve plate 310 are respectively plugged and fixed to the first sieve plate 300 and the second sieve plate 310 through the notches, the screws are tightened at the fixed positions of the first sieve plate 300 and the second sieve plate 310, the first discharge plate and the second discharge plate are bonded and fixed to the first partition plate 30 and the second partition plate 31, the first coal block box 112 is installed at the corresponding position below the first discharge plate, and the second coal block box 113 is installed at the corresponding position below the second discharge plate, the screen is bonded inside the first coal block box 112 and the second coal block box 113, the pull-out box is plugged and fixed to the first coal block box 112 and the second coal block box 113, the door panel is rotatably connected to the left side of the shell 11 through the pin shaft, and a handrail is installed on the door panel to facilitate opening and closing to disassemble and overhaul the internal structure of the shell 11;

[0043] The water pump 21 is powered on to deliver water to the nozzle on the water pipe 20, and the vibration motor 311 is powered on. The user brings the coal blocks to be processed and screened from the top of the feed port 10 along the guide plate 100 into the funnel 22, and starts the water pump 21 to drive the nozzle on the water pipe 20 to spray water. The coal blocks fall from the funnel 22 to the first sieve plate 300 after being cleaned. When the first sieve plate 300 vibrates, the coal blocks larger than the first circular hole are sent to the right side, and are guided into the first coal block box 112 through the first discharge plate. The coal blocks larger than the second circular hole are removed by the vibrating second sieve plate 300. The partition 31 is sent to the second discharge plate, and then guided by the second discharge plate into the second coal block box 113. After the coal blocks are left standing for a period of time, the aqueous solution remaining on the surface enters the pull-out box through the screen. The user takes out the pull-out box and pours it, and at the same time pulls out the first coal block box 112 and the second coal block box 113, takes out the ore therein, and the fine impurities and the cleaned aqueous solution pass through the second screen plate 310 and fall into the recovery bucket 33, and are finally collected in the waste water tank 111. The user takes out the fine impurities and the cleaned aqueous solution from the waste water tank 111 and pours them out through the handle.

Claims

1. A coal block sorting device, comprising a housing assembly (1) for protecting an internal structure, a cleaning assembly (2) being provided on one side of the top of the housing assembly (1), and a screening assembly (3) being provided inside the housing assembly (1), characterized in that: The shell component (1) comprises a feed port (10) and a shell (11) provided below the feed port (10); a guide plate (100) is provided on one side of the feed port (10); a base (110) is provided at the bottom of the shell (11); the cleaning component (2) comprises a water pipe (20) and a water pump (21) connected to the water pipe (20); a funnel (22) is provided below the water pump (21); the screening component (3) comprises a first partition (30) and a second partition (31); a first sieve plate (300) is provided in the middle of the first partition (30); a second sieve plate (310) is provided in the middle of the second partition (31); a vibration motor (311) is provided at the bottom of one side of the second partition (31); plug rods (32) are symmetrically provided on both sides of the bottom of the second partition (31); springs (320) are sleeved on the outside of the plug rods (32).

2. The coal separation device according to claim 1, characterized in that: A waste water tank (111) is provided on the left side of the base (110), and a first coal block box (112) and a second coal block box (113) are provided on the right side of the base (110). The waste water tank (111) is plugged and fixed to the base (110).

3. The coal separation device according to claim 1, characterized in that: A water outlet pipe is provided at the front end of the water pump (21), the water outlet pipe is fixedly connected to the water pipe (20), and the funnel (22) is bonded and fixed to the inner wall of the outer shell (11).

4. The coal separation device according to claim 1, characterized in that: A round rod (301) is provided at the bottom of the first partition (30), and the top of each round rod (301) is bonded and fixed to the first partition (30). Rectangular blocks are provided around the bottom of the second partition (31), and the top of the spring (320) is bonded and fixed to the rectangular block. The bottom end of the spring (320) is bonded and fixed to the recovery bucket (33). The first partition (30) and the second partition (31) are provided with a first discharge plate and a second discharge plate at their right ends.

5. The coal separation device according to claim 1, characterized in that: The first sieve plate (300) and the second sieve plate (310) are both provided with handles on their left sides, and the handles are bonded and fixed to the first sieve plate (300) and the second sieve plate (310). A recovery bucket (33) is provided below the second partition plate (31), and support legs are provided around the recovery bucket (33), and the support legs are bonded and fixed to the base (110).

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