Oil-rich pulverized coal crushing system with cleaning function

Abstract

The utility model discloses an oil-rich pulverized coal crushing system with a cleaning function, which comprises a sorting bin and a crushing bin, the top of the sorting bin is connected with a first feed port, the lower part in the sorting bin is connected with a vibrating screen, the lower part of the vibrating screen is rotatably connected with a first conveying belt, the crushing bin is internally and rotatably connected with a crushing roller, and the top of the sorting bin is connected with a cleaning bin; a first nozzle is connected in the cleaning bin, a water spraying pipe is connected outside the cleaning bin and communicated with the first nozzle, a first electric rotating cylinder is connected to the top of the sorting bin, and a partition plate is connected to the output end of the first electric rotating cylinder. According to the utility model, the sorting bin and the crushing bin are arranged, pulverized coal with qualified specifications in oil-rich pulverized coal raw materials can be firstly sieved for direct production, and meanwhile, pulverized coal with larger specifications is crushed, so that the crushing pressure is reduced, the crushing cost is reduced, a first nozzle is arranged, a vibrating screen can be cleaned, and a second nozzle is arranged, so that the production efficiency is improved. And the crushing roller can be cleaned.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil-rich pulverized coal crushing, in particular to an oil-rich pulverized coal crushing system with a cleaning function. Background Art

[0002] Oil-rich coal refers to coal with a tar yield of 7%-12%. As a form of oil-rich coal, oil-rich pulverized coal has high calorific value and low ash content, and is an important energy resource. In the actual production process, the raw material manufacturer will grind the oil-rich coal into pulverized coal. However, based on technical and cost considerations, the particle size of the oil-rich pulverized coal produced by the raw material manufacturer does not meet the specifications of the user manufacturer, so the user manufacturer needs to further crush the oil-rich pulverized coal. Oil-rich pulverized coal contains higher volatile matter and tar components, so it is more likely to stick to equipment than other coal powders, especially screens and crushing rollers, thereby affecting the stable operation of the equipment. In order to reduce the formation of an adhesion layer of oil-rich pulverized coal, the equipment needs to be cleaned frequently, affecting the service life. Therefore, it is necessary to develop crushing equipment that can be cleaned quickly to meet the needs. Utility Model Content

[0003] In view of the above technical problems, the utility model provides an oil-rich pulverized coal crushing system with a cleaning function.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: an oil-rich pulverized coal crushing system with a cleaning function, comprising a sorting bin and a crushing bin, the top of the sorting bin is connected to a first feed port, the lower part of the sorting bin is connected to a vibrating screen, the lower part of the vibrating screen is rotatably connected to a first conveyor belt, the crushing bin is rotatably connected to a crushing roller, the top of the sorting bin is connected to a cleaning bin, the cleaning bin is connected to a first nozzle, the cleaning bin is connected to a water spray pipe outside the cleaning bin, the water spray pipe is connected to the first nozzle, the top of the sorting bin is connected to a first electric rotary cylinder, the output end of the first electric rotary cylinder is connected to a partition plate, the discharging end of the first conveyor belt is provided with a first discharging port, the end of the sorting bin is connected to the second feed port of the crushing bin, the second feed port is connected to a shielding plate and a second electric rotary cylinder on both sides, the output end of the second electric rotary cylinder is connected to an auxiliary shielding plate, and a second nozzle is connected under the shielding plate, comprising a cleaning agent tank, and the water outlet of the cleaning agent tank is connected to the water spray pipe and the second nozzle.

[0005] Furthermore, the vibrating screen is controlled by a vibrating motor group.

[0006] Furthermore, a second discharge port is connected to the bottom of the crushing bin.

[0007] Furthermore, a second conveyor belt is included, and the first discharge port and the second discharge port are both located above the second conveyor belt.

[0008] Furthermore, a dosing port is connected to the upper side of the cleaning agent tank, a water outlet of the cleaning agent tank is connected to a water pump, the water pump is connected to a three-way valve, and the three-way valve is respectively connected to a water spray pipe and a second nozzle.

[0009] Furthermore, a first support frame is fixedly connected to the bottom of the sorting bin, and a second support frame is connected to the bottom of the crushing bin.

[0010] Furthermore, the crushing roller is controlled by a crushing motor.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The utility model is provided with a sorting bin and a crushing bin, which can first screen out the coal powder with qualified specifications in the oil-rich pulverized coal raw materials for direct production, and at the same time crush the coal powder with larger specifications, thereby reducing the crushing pressure and thus reducing the crushing cost. A first nozzle is provided to clean the vibrating screen, a second nozzle is provided to clean the crushing roller, a partition plate, a shielding plate and an auxiliary shielding plate are provided, and when the equipment is running, the first nozzle and the second nozzle can be shielded to prevent the coal powder from sticking to the nozzle and causing blockage.

[0013] 2. The utility model is provided with a water pump and a three-way valve, which can control the water pressure and make the cleaning effect stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the structure of the partition plate of the utility model.

[0016] Figure 3 This is a schematic diagram of the structure of the shielding plate of the utility model.

[0017] Wherein: 1. sorting bin, 2. vibration motor group, 3. vibration screen, 4. first conveyor belt, 5. first support frame, 6. second conveyor belt, 7. first discharge port, 8. second discharge port, 9. second support frame, 10. crushing bin, 11. crushing roller, 12. water pump, 13. cleaning agent tank, 14. dosing port, 15. three-way valve, 16. second nozzle, 17. baffle plate, 18. second feed port, 19. cleaning bin, 20. partition plate, 21. water spray pipe, 22. first nozzle, 23. first feed port, 24. first electric rotary cylinder, 25. auxiliary baffle plate, 26. second electric rotary cylinder. DETAILED DESCRIPTION

[0018] The utility model will be further described below in conjunction with the accompanying drawings.

[0019] like Figure 1-Figure 3The oil-rich pulverized coal crushing system with a cleaning function shown in the figure comprises a sorting bin 1 and a crushing bin 10, the top of the sorting bin 1 is connected to a first feed port 23, the lower part of the sorting bin 1 is connected to a vibrating screen 3, the lower part of the vibrating screen 3 is rotatably connected to a first conveyor belt 4, the crushing bin 10 is rotatably connected to a crushing roller 11, the top of the sorting bin 1 is connected to a cleaning bin 19, the cleaning bin 19 is connected to a first nozzle 22, the outside of the cleaning bin 19 is connected to a water spray pipe 21, the water spray pipe 21 is connected to the first nozzle 22, the top of the sorting bin 1 is connected to the first conveyor belt 4, the bottom of the vibrating screen 3 is rotatably connected to a first conveyor belt 4, the crushing bin 10 is rotatably connected to a crushing roller 11, the top of the sorting bin 1 is connected to a cleaning bin 19, the cleaning bin 19 is connected to a first nozzle 22, the cleaning bin 19 is connected to a water spray pipe 21, the water spray pipe 21 is connected to the first nozzle 22, and the top of the sorting bin 1 is connected to the first conveyor belt 4. An electric rotary cylinder 24, a partition plate 20 is connected to the output end of the first electric rotary cylinder 24, a first discharge port 7 is opened at the discharge end of the first conveyor belt 4, the end of the sorting bin 1 is connected to the second feed port 18 of the crushing bin 10, baffle plates 17 and the second electric rotary cylinder 26 are connected on both sides of the second feed port 18, an auxiliary baffle plate 25 is connected to the output end of the second electric rotary cylinder 26, and a second nozzle 16 is connected under the baffle plate 17, including a cleaning agent tank 13, and the water outlet of the cleaning agent tank 13 is connected to the water spray pipe 21 and the second nozzle 16.

[0020] In order to facilitate the control of the vibrating screen, the vibrating screen 3 is controlled by the vibrating motor group 2 .

[0021] In order to facilitate discharging, a second discharging port 8 is connected to the bottom of the crushing bin 10 .

[0022] In order to facilitate the transmission of coal powder, a second conveyor belt 6 is included, and the first discharge port 7 and the second discharge port 8 are both located above the second conveyor belt 6 .

[0023] For easy cleaning, a dosing port 14 is connected to the upper side of the cleaning agent tank 13. The water outlet of the cleaning agent tank 13 is connected to the water pump 12. The water pump 12 is connected to the three-way valve 15. The three-way valve 15 is connected to the water spray pipe 21 and the second nozzle 16 respectively.

[0024] In order to make the equipment more stable, a first support frame 5 is fixedly connected to the bottom of the sorting bin 1 , and a second support frame 9 is connected to the bottom of the crushing bin 10 .

[0025] In order to facilitate the crushing, the crushing roller 11 is controlled by a crushing motor.

[0026] The specific working process of the utility model is as follows:

[0027] During operation, the oil-rich pulverized coal enters the sorting bin 1 from the first feed port 23, and then falls onto the vibrating screen 3. The vibrating motor group 2 controls the operation of the vibrating screen 3. The pulverized coal that meets the specifications falls onto the first conveyor belt 4, and falls onto the second conveyor belt 6 via the first discharge port 7. The pulverized coal that is oversized falls onto the crushing bin 10 via the second feed port 18, is crushed by the crushing roller 11, and then falls onto the second conveyor belt 6 from the second discharge port 8 to be transported to the next process.

[0028] During cleaning, the partition plate 20 is first opened by the first electric rotary cylinder 24, and the cleaning agent in the cleaning agent box 13 enters the water spray pipe 21 through the water pump 12 and the three-way valve 15, and is sprayed out by the first nozzle 22 to clean the vibrating screen 3. After the vibrating screen 3 is cleaned, the three-way valve 15 is adjusted, and the auxiliary baffle 25 is opened by the second electric rotary cylinder 26, and water is sprayed from the second nozzle 16 to clean the crushing roller 11.

[0029] It should be noted that, in this embodiment, the first nozzle 22 and the second nozzle 16 only clean the working parts to prevent the working parts from failing, while the coal powder accumulated on the equipment wall has a cleaning cycle much longer than that of the working parts. At the same time, when cleaning the equipment wall, the equipment needs to be disassembled and cleaned separately.

Claims

1. An oil-rich pulverized coal crushing system with a cleaning function, comprising a sorting bin (1) and a crushing bin (10), wherein the top of the sorting bin (1) is connected to a first feed port (23), the lower part of the sorting bin (1) is connected to a vibrating screen (3), a first conveyor belt (4) is rotatably connected below the vibrating screen (3), and a crushing roller (11) is rotatably connected inside the crushing bin (10), characterized in that: The top of the sorting bin (1) is connected to a cleaning bin (19), a first nozzle (22) is connected inside the cleaning bin (19), a water spray pipe (21) is connected outside the cleaning bin (19), the water spray pipe (21) is in communication with the first nozzle (22), the top of the sorting bin (1) is connected to a first electric rotary cylinder (24), a partition plate (20) is connected to the output end of the first electric rotary cylinder (24), a first discharge port (7) is provided at the discharge end of the first conveyor belt (4), The end of the sorting bin (1) is connected to the second feed port (18) of the crushing bin (10), the second feed port (18) is connected to a shielding plate (17) and a second electric rotary cylinder (26) on both sides, the output end of the second electric rotary cylinder (26) is connected to an auxiliary shielding plate (25), the shielding plate (17) is connected to a second nozzle (16) below, and includes a cleaning agent tank (13), the water outlet of the cleaning agent tank (13) is connected to the water spray pipe (21) and the second nozzle (16).

2. The oil-rich pulverized coal crushing system with cleaning function according to claim 1 is characterized by: The vibrating screen (3) is controlled by a vibrating motor group (2).

3. The oil-rich pulverized coal crushing system with cleaning function according to claim 1 is characterized by: The bottom of the crushing bin (10) is connected to a second discharge port (8).

4. The oil-rich pulverized coal crushing system with cleaning function according to claim 3 is characterized by: It comprises a second conveyor belt (6), wherein the first discharge port (7) and the second discharge port (8) are both located above the second conveyor belt (6).

5. The oil-rich pulverized coal crushing system with cleaning function according to claim 1 is characterized by: The upper side of the cleaning agent tank (13) is connected to a dosing port (14); the water outlet of the cleaning agent tank (13) is connected to a water pump (12); the water pump (12) is connected to a three-way valve (15); and the three-way valve (15) is respectively connected to a water spray pipe (21) and a second nozzle (16).

6. The oil-rich pulverized coal crushing system with cleaning function according to claim 1 is characterized by: The bottom of the sorting bin (1) is fixedly connected to a first support frame (5), and the bottom of the crushing bin (10) is connected to a second support frame (9).

7. The oil-rich pulverized coal crushing system with cleaning function according to claim 1 is characterized by: The crushing roller (11) is controlled by a crushing motor.

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