Fly ash conveying device

Abstract

The utility model discloses a coal ash conveying device which comprises a hopper, the lower surface of the hopper is fixedly connected with a sealing ring, the lower surface of the sealing ring is fixedly connected with a dispersion plate, the lower surface of the dispersion plate is fixedly connected with a conveying pipeline, and the end, away from the hopper, of the conveying pipeline is fixedly connected with a barrel. A shell is fixedly connected to the lower surface of the barrel, a stock bin is fixedly connected to the lower surface of the shell, a ventilation pipe is fixedly connected to an air outlet in the lower end of the barrel, a straight barrel is fixedly connected to the end, away from the barrel, of the ventilation pipe, an ash hopper is fixedly connected to the lower surface of the straight barrel, and a hose is fixedly connected to an air outlet in the upper end of the straight barrel. The end, away from the straight cylinder, of the hose is fixedly connected with a roots vacuum pump. According to the structure, by arranging the blades, the stirring paddle, the sprayer and the cloth bag, coal ash in gas can be filtered out, the content of the coal ash in exhausted gas is reduced, and the environmental protection property of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of fly ash transportation technology, specifically to a fly ash conveying device. Background Technology

[0002] Fly ash is a fine particulate waste produced in industrial processes such as coal-fired power plants. It is mainly composed of silicates, oxides and other trace components. It has certain chemical activity and can be used as an admixture in the production of building materials such as cement and concrete.

[0003] Currently, there are two types of equipment for transporting fly ash: pneumatic and mechanical. Pneumatic transport of fly ash can easily generate dust that pollutes the air, which is detrimental to human health. Utility Model Content

[0004] This utility model provides a fly ash conveying device that can clean the air discharged after fly ash is conveyed, reduce dust in the discharged air, and improve the environmental friendliness of the device.

[0005] To achieve the above objectives, a fly ash conveying device is provided, comprising a hopper, a sealing ring fixedly connected to the lower surface of the hopper, a connecting dispersion plate fixedly connected to the lower surface of the sealing ring, a conveying pipe fixedly connected to the lower surface of the dispersion plate, a cylinder fixedly connected to the end of the conveying pipe away from the hopper, a shell fixedly connected to the lower surface of the cylinder, a hopper fixedly connected to the lower surface of the shell, a ventilation pipe fixedly connected to the lower air outlet of the cylinder, a straight cylinder fixedly connected to the end of the ventilation pipe away from the cylinder, an ash hopper fixedly connected to the lower surface of the straight cylinder, a flexible hose fixedly connected to the upper air outlet of the straight cylinder, and a Roots vacuum pump fixedly connected to the end of the flexible hose away from the straight cylinder. The hopper is designed to facilitate the placement of fly ash; the sealing ring is designed to prevent gas leakage; the dispersion plate is designed to facilitate the dispersion of fly ash into the pipeline; the conveying pipeline is designed to facilitate the transportation of fly ash; the silo is designed to facilitate the storage of fly ash; the ash hopper is designed to facilitate the containment of fly ash; the flexible hose is designed to connect the Roots vacuum pump and the straight cylinder; and the Roots vacuum pump is designed to provide power to the entire conveying device.

[0006] According to the aforementioned fly ash conveying device, a cage frame is fixedly connected to the upper inner surface of the straight cylinder. The cage frame is a cylindrical structure formed by multiple metal strips, and a cloth bag is fitted over the outer surface of the cage frame. A flow guide baffle is fixedly connected to the upper inner surface of the ventilation pipe near the end of the straight cylinder. The cage frame is used to support the cloth bag, the cloth bag is used to block dust, and the flow guide baffle is used to change the airflow direction.

[0007] According to the aforementioned fly ash conveying device, a rotating shaft is rotatably connected to the inner side of the shell, blades are fixedly connected to the outer surface of the rotating shaft, and a rotating motor is fixedly connected to the side of the shell. The output end of the rotating motor is fixedly connected to the rotating shaft, and the blades are not connected to the cylinder. The shell is designed to fix the rotating shaft, the rotating shaft is designed to drive the blades to rotate, the blades are designed to facilitate uniform feeding of fly ash, and the rotating motor is designed to provide power for the rotation of the blades.

[0008] According to the aforementioned fly ash conveying device, a stirring shaft is rotatably connected to the inner side surface of the hopper, and a stirring paddle is fixedly connected to the outer surface of the stirring shaft. The stirring paddle is not connected to the hopper. The stirring shaft is used to drive the stirring paddle to rotate, and the stirring paddle is used to facilitate the stirring of fly ash.

[0009] According to the aforementioned fly ash conveying device, a coupling is fixedly connected to one end of the stirring shaft near the hopper, and a stirring motor is fixedly connected to the side surface of the hopper. The end of the coupling near the hopper is fixedly connected to the output end of the stirring motor. The coupling is used to connect the stirring shaft and the stirring motor, and the stirring motor is used to provide power to the stirring shaft.

[0010] According to the aforementioned fly ash conveying device, the dispersing plate is provided with numerous through holes, and a No. 1 vibrator is fixedly connected to the side end of the dispersing plate. The through holes are provided to facilitate the dispersion and passage of fly ash, and the No. 1 vibrator is provided to facilitate the falling of fly ash.

[0011] According to the aforementioned fly ash conveying device, a filter screen is fixedly connected to the outlet of the Roots vacuum pump, and a sprayer is fixedly connected to the upper surface of the Roots vacuum pump. The nozzle of the sprayer is aligned with the outlet of the Roots vacuum pump, and the sprayer is not fixedly connected to the filter screen. The filter screen is used to facilitate the filtration of fly ash in the gas, and the sprayer is used to spray water mist.

[0012] According to the aforementioned fly ash conveying device, the inner surface of the conveying pipe is coated with an organosilicon heat-resistant paint, the filter bag is made of PTFE, and a second vibrator is fixedly connected to the upper surface of the straight cylinder. The organosilicon heat-resistant paint is used to improve the heat resistance of the conveying pipe; the PTFE filter bag is used to improve its corrosion resistance and heat resistance; and the second vibrator is used to facilitate the vibration of fly ash off the filter bag.

[0013] The beneficial effects of this invention are: by setting blades, agitator, sprayer, and filter bag, fly ash in the gas can be filtered out, reducing the fly ash content in the emitted gas.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the overall structure of a fly ash conveying device according to the present invention;

[0017] Figure 2 This is a front sectional view of a fly ash conveying device according to the present invention;

[0018] Figure 3 This is a side sectional view of a fly ash conveying device according to the present invention;

[0019] Figure 4 This is a side cross-sectional view of a fly ash conveying device according to the present invention.

[0020] Legend:

[0021] 1. Hopper; 2. Vibrator No. 1; 3. Sealing ring; 4. Dispersion plate; 5. Conveying pipe; 6. Cylinder; 7. Rotating motor; 8. Blade; 9. Rotating shaft; 10. Shell; 11. Hopper; 12. Straight cylinder; 13. Ash hopper; 14. Sprayer; 15. Cage; 16. Filter bag; 17. Roots vacuum pump; 18. Baffle; 19. Agitator motor; 20. Agitator shaft; 21. Agitator paddle; 22. Vibrator No. 2; 23. Coupling; 24. Hose; 25. Filter screen; 26. Ventilation pipe. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figures 1 to 4This utility model discloses a fly ash conveying device, which includes a hopper 1. A sealing ring 3 is fixedly connected to the lower surface of the hopper 1. A dispersing plate 4 is fixedly connected to the lower surface of the sealing ring 3. The dispersing plate 4 has a plurality of through holes. A vibrator 2 is fixedly connected to the side end of the dispersing plate 4. A conveying pipe 5 is fixedly connected to the lower surface of the dispersing plate 4. A cylinder 6 is fixedly connected to the end of the conveying pipe 5 away from the hopper 1. A shell 10 is fixedly connected to the lower surface of the cylinder 6. A hopper 11 is fixedly connected to the lower surface of the shell 10. The hopper 11 has no cover at the top. A ventilation pipe 26 is fixedly connected to the air outlet at the lower end of the cylinder 6. A straight cylinder 12 is fixedly connected to the end of the ventilation pipe 26 away from the cylinder 6. An ash hopper 13 is fixedly connected to the lower surface of the straight cylinder 12. A flexible hose 24 is fixedly connected to the air outlet at the upper end of the straight cylinder 12. A Roots vacuum pump 17 is fixedly connected to the end of the flexible hose 24 away from the straight cylinder 12. Gas enters the Roots vacuum pump 17 through the flexible hose 24 and is then discharged.

[0024] A cage 15 is fixedly connected to the upper inner surface of the straight cylinder 12. The cage 15 is a cylindrical structure formed by multiple metal strips with gaps between them. A cloth bag 16 is fitted on the outer surface of the cage 15 to block dust. A baffle 18 is fixedly connected to the upper inner surface of the ventilation pipe 26 near the end of the straight cylinder 12 to prevent gas from blowing directly onto the cloth bag 16 and causing wear.

[0025] A rotating shaft 9 is rotatably connected to the inner side of the housing 10. A blade 8 is fixedly connected to the outer surface of the rotating shaft 9. A rotating motor 7 is fixedly connected to the side of the housing 10. The output end of the rotating motor 7 is fixedly connected to the rotating shaft 9. The blade 8 is not connected to the cylinder 6.

[0026] A stirring shaft 20 is rotatably connected to the inner side surface of the hopper 11, and a stirring paddle 21 is fixedly connected to the outer surface of the stirring shaft 20. The stirring paddle 21 is not connected to the hopper 11. A coupling 23 is fixedly connected to the end of the stirring shaft 20 near the hopper 1. A stirring motor 19 is fixedly connected to the side surface of the hopper 11. The end of the coupling 23 near the hopper 1 is fixedly connected to the output end of the stirring motor 19. The coupling 23 is used to connect the output end of the stirring motor 19 and the stirring shaft 20.

[0027] A filter screen 25 is fixedly connected to the air outlet of the Roots vacuum pump 17. A sprayer 14 is fixedly connected to the upper surface of the Roots vacuum pump 17. The nozzle of the sprayer 14 is aligned with the air outlet of the Roots vacuum pump 17. The sprayer 14 is not fixedly connected to the filter screen 25. The filter screen 25 can capture dust that is combined with water mist.

[0028] The inner surface of the conveying pipe 5 is coated with silicone heat-resistant paint. The cloth bag 16 is made of PTFE material. The second vibrator 22 is fixedly connected to the upper surface of the straight cylinder 12. The silicone heat-resistant paint is applied to improve the heat resistance of the conveying pipe 5. The PTFE material is resistant to high temperature and corrosion.

[0029] Working principle: During operation, the Roots vacuum pump 17 is started, generating suction throughout the device's channels. Gas mixed with a large amount of fly ash enters from the hopper 1, is dispersed by the dispersing plate 4, and enters the conveying pipe 5. The first vibrator 2 is started, shaking the remaining fly ash on the dispersing plate 4 into the conveying pipe 5. Under the influence of the Roots vacuum pump 17, the fly ash enters the cylinder 6. The rotary motor 7 is started, and the rotary shaft 9 drives the blades 8 to rotate. Driven by the blades 8, the fly ash falls into the hopper 11. The stirring motor 19 is started, driving the stirring shaft 20 to rotate. The stirring paddle 21 rotates along with the stirring paddle, causing the fly ash to... The material in the hopper 11 is agitated, preventing clumping. The flowing gas enters the straight cylinder 12 from the air outlet of the cylinder 6 through the ventilation pipe 26. The airflow is deflected by the guide baffle 18 and blown towards the filter bag 16. The filter bag 16 intercepts most of the fly ash dust. The second vibrator 22 is started to vibrate the cage 15, causing the fly ash on the filter bag 16 to fall into the ash hopper 13. Then, the gas flows from the air outlet of the straight cylinder 12 through the hose 24 to the air outlet of the Roots vacuum pump 17. The sprayer 14 is started, and the sprayed water mist combines with the remaining fly ash in the gas to form large particles that adhere to the filter screen 25. Then, the gas is discharged into the air.

[0030] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A fly ash conveying device, characterized in that, The device includes a hopper (1), a sealing ring (3) is fixedly connected to the lower surface of the hopper (1), a connecting dispersion plate (4) is fixedly connected to the lower surface of the sealing ring (3), a conveying pipe (5) is fixedly connected to the lower surface of the dispersion plate (4), a cylinder (6) is fixedly connected to the end of the conveying pipe (5) away from the hopper (1), a shell (10) is fixedly connected to the lower surface of the cylinder (6), a hopper (11) is fixedly connected to the lower surface of the shell (10), a ventilation pipe (26) is fixedly connected to the lower air outlet of the cylinder (6), a straight cylinder (12) is fixedly connected to the end of the ventilation pipe (26) away from the cylinder (6), an ash hopper (13) is fixedly connected to the lower surface of the straight cylinder (12), a flexible hose (24) is fixedly connected to the upper air outlet of the straight cylinder (12), and a Roots vacuum pump (17) is fixedly connected to the end of the flexible hose (24) away from the straight cylinder (12).

2. The fly ash conveying device according to claim 1, characterized in that, The upper inner surface of the straight cylinder (12) is fixedly connected to a cage (15), which is a cylindrical structure formed by multiple metal strips. The outer surface of the cage (15) is covered with a cloth bag (16). The upper inner surface of the ventilation pipe (26) near the end of the straight cylinder (12) is fixedly connected to a flow guide baffle (18).

3. The fly ash conveying device according to claim 1, characterized in that, The inner side of the housing (10) is rotatably connected to a rotating shaft (9), and a blade (8) is fixedly connected to the outer surface of the rotating shaft (9). The side of the housing (10) is fixedly connected to a rotating motor (7), and the output end of the rotating motor (7) is fixedly connected to the rotating shaft (9). The blade (8) is not connected to the cylinder (6).

4. The fly ash conveying device according to claim 1, characterized in that, A stirring shaft (20) is rotatably connected to the inner side surface of the hopper (11), and a stirring paddle (21) is fixedly connected to the outer surface of the stirring shaft (20). The stirring paddle (21) is not connected to the hopper (11).

5. A fly ash conveying device according to claim 4, characterized in that, The stirring shaft (20) is fixedly connected to a coupling (23) at one end near the hopper (1), and the stirring motor (19) is fixedly connected to the side surface of the hopper (11). The coupling (23) is fixedly connected to the output end of the stirring motor (19) at one end near the hopper (1).

6. A fly ash conveying device according to claim 1, characterized in that, The dispersion plate (4) is provided with numerous through holes, and a No. 1 vibrator (2) is fixedly connected to the side end of the dispersion plate (4).

7. A fly ash conveying device according to claim 1, characterized in that, The air outlet of the Roots vacuum pump (17) is fixedly connected to a filter screen (25), and a sprayer (14) is fixedly connected to the upper surface of the Roots vacuum pump (17). The nozzle of the sprayer (14) is aligned with the air outlet of the Roots vacuum pump (17), and the sprayer (14) is not fixedly connected to the filter screen (25).

8. A fly ash conveying device according to claim 2, characterized in that, The inner surface of the conveying pipe (5) is coated with silicone heat-resistant paint, the cloth bag (16) is made of PTFE material, and the upper surface of the straight cylinder (12) is fixedly connected to the second vibrator (22).

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