Coal cleaning device with screening function

Abstract

The utility model discloses a coal cleaning device with a screening function, which relates to the technical field of coal processing and comprises a rack, a net chain conveying belt is arranged at the upper end of the rack, a first mounting plate is fixedly mounted at the lower end of the rack, and a water tank is fixedly mounted at the upper end of the first mounting plate. A circulating pump is fixedly installed on the back face of the machine frame, supporting plates are symmetrically and fixedly installed at the upper end of the machine frame, and cleaning pipes are fixedly installed on the opposite sides of the supporting plates. By the adoption of the structure, after cleaned coal enters the mesh screen frame through the guide plate, due to the fact that the springs are installed between the mesh screen frame and the first connecting column and between the mesh screen frame and the second connecting column, under the vibration effect of the vibration motor at the lower end of the mesh screen frame, the inclined mesh screen frame can be combined with the barrier strips to be conveyed downwards point by point, and the coal conveying efficiency is improved. And crushed materials in the coal are sieved out in the conveying process, so that the coal does not need to be sieved after being transferred, and the processing efficiency of the coal is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal processing, and particularly relates to a coal cleaning device with a screening function. Background Technique

[0002] Coal is a solid combustible mineral formed by the complex biochemical and physicochemical changes of ancient plants buried underground. During the coal processing process, a cleaning device is often required to clean it.

[0003] The Chinese patent with the publication number CN220635547U discloses a coal cleaning device for coal engineering, including a cleaning tank. A spiral conveying pipe is arranged at the top of the cleaning tank. A feed inlet is arranged at the top of the spiral conveying pipe. A first motor is arranged on the side of the spiral conveying pipe. A spiral conveying rod located inside the spiral conveying pipe is arranged on the side of the first motor. A first fixing plate is arranged at the middle end of the side of the cleaning tank. A second motor is arranged on the first fixing plate. A stirring roller located inside the cleaning tank is arranged on the side of the second motor. A diversion and filtering plate is arranged at the bottom inside the cleaning tank. A second fixing plate is arranged at the upper end of the side of the cleaning tank. A hot air blower is arranged on the second fixing plate. A hot air outlet located inside the cleaning tank is arranged on the side of the hot air blower. A water inlet pipe is arranged at the upper end of the side of the cleaning tank.

[0004] There are still certain limitations in the above-mentioned coal cleaning device in the prior art. After the coal is cleaned, since there are some crushed materials in the coal that affect the coal quality, and when the coal is discharged through the discharge port, it often needs to be transferred to other equipment for screening, which is very inconvenient. Secondly, the waste water after coal cleaning is directly discharged through the drain port and cannot be recycled. Content of the Utility Model

[0005] Aiming at the problems mentioned in the background technique, the purpose of the utility model is to provide a coal cleaning device with a screening function to solve the problems mentioned in the above background technique.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions:

[0007] A coal cleaning device with a screening function, comprising a frame. A mesh chain conveyor belt is provided at the upper end of the frame. A first mounting plate is fixedly installed at the lower end of the frame. A water tank is fixedly installed at the upper end of the first mounting plate. A circulating pump is fixedly installed on the back of the frame. Support plates are symmetrically and fixedly installed at the upper end of the frame. A cleaning pipe is fixedly installed on the opposite side of the support plates. A shunt pipe is fixedly installed outside the support plate at the rear side of the upper end of the frame. The input end of the circulating pump is fixedly installed with the water tank through a water pipe. The output end of the circulating pump is fixedly installed with the shunt pipe through a water pipe. One end of the cleaning pipe penetrates through the support plate at the rear side of the upper end of the frame and is fixedly installed with the shunt pipe. A water collecting hopper is fixedly installed at the lower end of the frame. The lower hopper opening of the water collecting hopper is located directly below the tank opening of the water tank. A filter screen is inserted into the front of the water tank. A second mounting plate is fixedly connected to the right side of the frame. An impurity removal mechanism is provided at the upper end of the second mounting plate. A guide plate is provided on the right side of the frame;

[0008] The impurity removal mechanism includes a first connecting column, a second connecting column and a mesh screen frame. The first connecting column and the second connecting column are both fixedly connected to the upper end of the second mounting plate. Springs are fixedly installed between the upper ends of the first connecting column and the second connecting column and the lower end of the mesh screen frame. A vibration motor is fixedly installed at the lower end of the mesh screen frame. A retaining strip is fixedly installed inside the mesh screen frame.

[0009] As a preferred technical solution, an observation window is provided on the inner side of the front of the water tank. The shape of the observation window is rectangular. A drain pipe with a cover and a water inlet pipe with a cover are respectively provided on the front of the water tank. The water inlet pipe with a cover is located above the drain pipe with a cover.

[0010] As a preferred technical solution, a bracket is fixedly installed at the upper end of the frame. A dryer is provided at the upper end of the bracket. The drying tray at the output end of the dryer is located inside the lower end of the bracket.

[0011] As a preferred technical solution, a fixing frame is fixedly connected to the right end of the frame. The guide plate is fixedly connected to the upper end of the fixing frame. One end of the guide plate is located below the right end of the mesh chain conveyor belt. The other end of the guide plate is located above the left end of the mesh screen frame.

[0012] As a preferred technical solution, a positioning groove is provided at the right end of the second mounting plate. A collection box is inserted into the inner side of the positioning groove. A support column is fixedly connected to the lower end of the second mounting plate. Mounting plates are fixedly connected to the lower ends of the support column and the legs of the frame.

[0013] In summary, the present utility model mainly has the following beneficial effects:

[0014] First, after the washed coal enters the mesh sieve frame through the guide plate, due to the springs installed between the mesh sieve frame and the first connecting column and the second connecting column, under the vibration of the vibration motor at the lower end of the mesh sieve frame, the inclined mesh sieve frame can be gradually conveyed downward in combination with the retaining strip, and the crushed materials in the coal are screened out during the conveying process, so that there is no need to transfer the coal and then perform screening and filtering treatment, greatly improving the processing efficiency of the coal;

[0015] Second, by using the circulating pump with its input end connected to the water tank and the shunt pipe connected to its output end to convey water to the cleaning pipe, the cleaning pipe can clean the coal on the mesh belt conveyor through the cleaning heads at the lower end. The waste water after cleaning can be recycled after being screened by the filter screen on the water tank, so as to achieve the effect of water conservation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural view of the present utility model;

[0017] Figure 2 is a top view of the present utility model;

[0018] Figure 3 is of the present utility model Figure 1 enlarged view at A;

[0019] Figure 4 is of the present utility model Figure 1 enlarged view at B.

[0020] Reference numerals: 1, frame; 2, mesh belt conveyor; 3, water collecting hopper; 4, first mounting plate; 5, water tank; 6, filter screen; 7, observation window; 8, drain pipe with cover; 9, water inlet pipe with cover; 10, support plate; 11, cleaning pipe; 12, shunt pipe; 13, bracket; 14, dryer; 15, guide plate; 16, impurity removal mechanism; 161, first connecting column; 162, vibration motor; 163, spring; 164, second connecting column; 165, mesh sieve frame; 17, collection box; 18, positioning groove; 19, second mounting plate; 20, circulating pump; 21, retaining strip; 22, fixing frame; 23, support column; 24, mounting disc. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Refer to Figures 1 to 4, A coal cleaning device with a screening function described in this embodiment includes a frame 1. A mesh chain conveyor belt 2 is provided at the upper end of the frame 1. A first mounting plate 4 is fixedly installed at the lower end of the frame 1. A water tank 5 is fixedly installed at the upper end of the first mounting plate 4. A circulation pump 20 is fixedly installed on the back of the frame 1. Support plates 10 are symmetrically and fixedly installed at the upper end of the frame 1. A cleaning pipe 11 is fixedly installed on the opposite side of the support plates 10. A shunt pipe 12 is fixedly installed outside the support plate 10 at the rear side of the upper end of the frame 1. The input end of the circulation pump 20 is fixedly installed with the water tank 5 through a water pipe, and the output end of the circulation pump 20 is fixedly installed with the shunt pipe 12 through a water pipe. One end of the cleaning pipe 11 passes through the support plate 10 at the rear side of the upper end of the frame 1 and is fixedly installed with the shunt pipe 12. A water collecting hopper 3 is fixedly installed at the lower end of the frame 1. The lower hopper opening of the water collecting hopper 3 is located directly below the tank opening of the water tank 5. A filter screen 6 is inserted into the front of the water tank 5. A second mounting plate 19 is fixedly connected to the right side of the frame 1. An impurity removal mechanism 16 is provided at the upper end of the second mounting plate 19. A guide plate 15 is provided on the right side of the frame 1;

[0022] The impurity removal mechanism 16 includes a first connecting column 161, a second connecting column 164 and a mesh screen frame 165. The first connecting column 161 and the second connecting column 164 are both fixedly connected to the upper end of the second mounting plate 19. A spring 163 is fixedly installed between the upper ends of the first connecting column 161 and the second connecting column 164 and the lower end of the mesh screen frame 165. A vibration motor 162 is fixedly installed at the lower end of the mesh screen frame 165. A retaining strip 21 is fixedly installed inside the mesh screen frame 165. After the coal after cleaning treatment enters the mesh screen frame 165 through the guide plate 15, due to the installation of the spring 163 between the connection of the mesh screen frame 165 and the first connecting column 161 and the second connecting column 164, under the vibration of the vibration motor 162 at the lower end of the mesh screen frame 165, the inclined mesh screen frame 165 can be conveyed downward little by little in combination with the retaining strip 21, and the crushed materials in the coal are screened out during the conveying process, so that there is no need to transfer the coal and then perform screening treatment, greatly improving the processing efficiency of the coal.

[0023] Reference Figure 1 , An observation window 7 is provided on the inner side of the front of the water tank 5. The shape of the observation window 7 is rectangular. A covered drain pipe 8 and a covered water inlet pipe 9 are respectively provided on the front of the water tank 5. The covered water inlet pipe 9 is located above the covered drain pipe 8. The observation window 7 can be used to conveniently observe the water level in the water tank 5, and the covered drain pipe 8 and the covered water inlet pipe 9 are convenient for replenishing and replacing the water tank 5.

[0024] Reference Figure 1 , A support 13 is fixedly installed at the upper end of the frame 1. A dryer 14 is provided at the upper end of the support 13. The drying tray at the output end of the dryer 14 is located inside the lower end of the support 13. Using the dryer 14 on the support 13, the coal after cleaning can be quickly dried.

[0025] Reference Figure 3 At the right end of the frame 1, a fixed frame 22 is fixedly connected. The guide plate 15 is fixedly connected to the upper end of the fixed frame 22. One end of the guide plate 15 is arranged below the right end of the mesh chain conveyor belt 2, and the other end of the guide plate 15 is arranged above the left end of the mesh sieve frame 165. By using the fixed frame 22, the installation of the guide plate 15 can be facilitated, which is convenient for conveying coal onto the mesh sieve frame 165.

[0026] Reference Figure 1 and Figure 4 At the right end of the second mounting plate 19, a positioning groove 18 is provided. Inside the positioning groove 18, a collection box 17 is inserted. At the lower end of the second mounting plate 19, a support column 23 is fixedly connected. Mounting disks 24 are fixedly connected to the lower ends of the support column 23 and the legs of the frame 1 respectively. By using the collection box 17 inserted into the positioning groove 18, the screened-out scraps can be conveniently collected. At the same time, the mounting disk 24 at the lower end of the support column 23 cooperates with the frame 1 to keep the second mounting plate 19 stable.

[0027] Principle and advantages of use: During use, coal is conveyed to the cleaning pipe 11 by the mesh chain conveyor belt 2 for cleaning. After cleaning, when the coal enters the dryer 14, it can be dried. The dried coal is conveyed onto the mesh sieve frame 165 by the mesh chain conveyor belt 2 in cooperation with the guide plate 15. Since springs 163 are installed between the mesh sieve frame 165 and the connection between the first connecting column 161 and the second connecting column 164, under the vibration of the vibration motor 162 at the lower end of the mesh sieve frame 165, the inclined mesh sieve frame 165 can be gradually conveyed downward in combination with the retaining strip 21, and the scraps in the coal are screened out into the collection box 17 for collection during the conveying process.

Claims

1. A coal cleaning device with screening function, comprising a frame, characterized in that: The upper end of the frame is provided with a net chain conveyor, the lower end of the frame is fixedly installed with a first mounting plate, the upper end of the first mounting plate is fixedly installed with a water tank, the back of the frame is fixedly installed with a circulating pump, the upper end of the frame is symmetrically fixedly installed with a supporting plate, the opposite side of the supporting plate is fixedly installed with a cleaning pipe, the outer side of the supporting plate on the rear side of the upper end of the frame is fixedly installed with a shunt pipe, the input end of the circulating pump is fixedly installed through the water pipe and the water tank, the output end of the circulating pump is fixedly installed through the water pipe and the shunt pipe, one end of the cleaning pipe passes through the supporting plate and the shunt pipe on the rear side of the upper end of the frame and is fixedly installed, the lower end of the frame is fixedly installed with a water collecting bucket, the bucket mouth of the lower end of the water collecting bucket is arranged just below the box mouth of the water tank, the front of the water tank is plugged with a filter screen, the right side of the frame is fixedly connected with a second mounting plate, the upper end of the second mounting plate is provided with a debris removal mechanism, and the right side of the frame is provided with a guide plate; The impurity removal mechanism includes a first connecting column, a second connecting column and a mesh screen frame, the first connecting column and the second connecting column are both fixedly connected to the upper end of the second mounting plate, a spring is fixedly installed between the upper ends of the first connecting column and the second connecting column and the lower end of the mesh screen frame, a vibration motor is fixedly installed at the lower end of the mesh screen frame, and a baffle is fixedly installed on the inner side of the mesh screen frame.

2. A coal cleaning device with screening function according to claim 1, characterized in that: An observation window is arranged on the inner side of the front side of the water tank, and the shape of the observation window is rectangular.

3. The coal cleaning device with screening function according to claim 1, characterized in that: The front of the water tank is respectively provided with a covered drain pipe and a covered water inlet pipe, and the covered water inlet pipe is arranged above the covered drain pipe.

4. The coal cleaning device with screening function according to claim 1, characterized in that: A bracket is fixedly mounted on the upper end of the frame, a dryer is arranged on the upper end of the bracket, and a drying plate at the output end of the dryer is arranged on the inner side of the lower end of the bracket.

5. The coal cleaning device with screening function according to claim 1, characterized in that: The right end of the frame is fixedly connected with a fixing frame, the guide plate is fixedly connected to the upper end of the fixing frame, one end of the guide plate is arranged below the right end of the mesh chain conveyor belt, and the other end of the guide plate is arranged above the left end of the mesh screen frame.

6. The coal cleaning device with screening function according to claim 1, characterized in that: A positioning groove is provided at the right end of the second mounting plate, and a collection box is inserted into the inner side of the positioning groove.

7. The coal cleaning device with screening function according to claim 1, characterized in that: The lower end of the second mounting plate is fixedly connected with a support column, and the support column and the lower ends of the legs of the frame are both fixedly connected with a mounting plate.

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