Environment-friendly fly ash pneumatic conveying device

Abstract

The utility model discloses an environment-friendly fly ash pneumatic conveying device which comprises a discharging cyclone dust collector, a Roots blower, a dedusting cyclone dust collector and a dedusting mechanism, the lower end of the Roots blower is fixedly connected with a base, the upper end of the base is fixedly connected with a discharging pipe and a silencer, and the input end of the upper end of the Roots blower is fixedly connected with an air pipe; the dust removal mechanism comprises a main water pipe, an equipment shell and a sieve plate, the equipment shell is fixedly connected to the lower end of an ash discharge port of the discharging cyclone dust collector, an opening is formed in the lower end of the equipment shell, an atomizing nozzle is fixedly connected to the upper end of the equipment shell, and the main water pipe is fixedly connected to the upper end of the atomizing nozzle; a water inlet is formed in the side end of the main water pipe. And dust impurities separated from the device can be humidified, so that the dust impurities are caked, excessive flying dust is prevented from being generated when the dust impurities are cleaned, and the body health of workers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic conveying devices, in particular to an environmentally friendly fly ash pneumatic conveying device. Background Art

[0002] Coal powder refers to coal with a particle size of less than 0.5 mm. It is the most commonly used additive in cast iron sand. Coal powder has fluidity. Coal powder particles are very fine, and the unit mass of coal powder has a large surface area. The surface can absorb a large amount of air, making it fluid. This characteristic makes coal powder easy to pneumatically transport.

[0003] When the pneumatic conveying device is conveying pulverized coal, the dust impurities in the airflow discharged from the device will be separated by the dust collector and collected by the bag. However, the dust impurities are still in powder form after entering the bag, which requires the staff to clean the bag. When pouring out the dust impurities collected in the bag, the impurities with smaller particle sizes are very likely to float into the air and generate dust, which is harmful to the health of the staff. Utility Model Content

[0004] The purpose of the utility model is to provide an environmentally friendly fly ash pneumatic conveying device, which can humidify the dust impurities separated from the device to make the dust impurities agglomerate, avoid excessive dust generation when cleaning the dust impurities, and ensure the health of the workers.

[0005] In order to achieve the above-mentioned purpose, an environmentally friendly fly ash pneumatic conveying device is provided, comprising: a discharge shaker, a Roots blower, a dust removal shaker and a dust removal mechanism, the lower end of the Roots blower is fixedly connected to a base, the upper end of the base is fixedly connected to a discharge pipe and a muffler, and one end of the discharge pipe is connected to the muffler, and the other end of the muffler is connected to the Roots blower, the discharge shaker is located directly above the discharge pipe, and the lower end output end of the discharge shaker is fixedly connected to the upper end of the discharge pipe, the discharge shaker is connected to the discharge pipe, the upper end input end of the Roots blower is fixedly connected to an air duct, and the other end of the air duct is fixedly connected to the middle part of the upper end of the dust removal shaker. The dust collecting hopper is connected to the air duct, the discharge port of the dust collecting hopper is connected to the upper input port of the discharge hopper, and the dust collecting mechanism is installed at the lower ash discharge port of the dust collecting hopper; the dust collecting mechanism includes a main water pipe, an equipment housing and a screen plate, the equipment housing is fixedly connected to the lower end of the ash discharge port of the discharge hopper, the lower end of the equipment housing is provided with an opening, and the opening is connected to the equipment housing, the upper end of the equipment housing is fixedly connected with an atomizing nozzle, and the water outlet of the atomizing nozzle extends downward into the equipment housing, the main water pipe is fixedly connected to the upper end of the atomizing nozzle, and the atomizing nozzle is connected to the main water pipe, and the side end of the main water pipe is provided with a water inlet. It can humidify the dust impurities separated from the device, make the dust impurities agglomerate, avoid excessive dust generation when cleaning the dust impurities, and ensure the health of the staff.

[0006] According to the environmentally friendly fly ash pneumatic conveying device, a sieve plate, a cleaning plate, a guide rod and a screw are arranged in the device housing, and the guide rod and the screw are located above the sieve plate, the sieve plate and the guide rod are respectively fixedly connected to the inner wall of the device housing, and the guide rod is located on both sides of the screw, and the two ends of the screw are respectively rotatably connected to the inner wall of the device housing, the cleaning plate is arranged at the upper end of the sieve plate, and the guide rod and the screw respectively penetrate the cleaning plate, the screw is located in the middle of the cleaning plate and is threadedly connected to the cleaning plate, and the outer end of the device housing is fixedly connected to a second motor, and the output end of the second motor is fixedly connected to the screw. It is used to clean and collect dust and impurities filtered out from the surface of the sieve plate to avoid clogging the mesh of the sieve plate.

[0007] According to the environmentally friendly fly ash pneumatic conveying device, channels are respectively opened at both side ends of the device housing, and the channels are located at the upper end of the sieve plate, the outer end of the device housing is fixedly connected with a fixed plate, and the fixed plates are respectively located at both ends of the channels, a discharge roller is installed between the fixed plates, and the two ends of the discharge roller are respectively rotatably connected with the fixed plates, the discharge roller passes through the channel and extends into the device housing, and the discharge roller is slidably connected with the inner wall of the device housing, the side end of the fixed plate is fixedly connected with a first motor, and the output end of the first motor passes through the fixed plate, and the output end of the first motor is fixedly connected with the middle rotating shaft of the discharge roller. It is used to discharge the dust and impurities cleaned from the surface of the sieve plate out of the dust removal mechanism and prevent the floating dust and impurities from leaking.

[0008] According to the environmentally friendly fly ash pneumatic conveying device, a discharge trough is provided at the outer end of the discharge roller, and the bottom of the discharge trough is arc-shaped, which is used to accommodate agglomerated dust impurities and discharge them from the dust removal mechanism, and increase the contact surface between the dust impurities and the bottom of the discharge trough, so that the dust impurities can be easily separated from the discharge trough.

[0009] According to the environmentally friendly fly ash pneumatic conveying device, the discharge port of the discharge shakron is equipped with a first discharger, and the first discharger is located above the discharge pipe, so as to control the conveyed coal powder to enter the discharge pipe.

[0010] According to the environmentally friendly fly ash pneumatic conveying device, a second discharger is installed in the ash discharge port at the lower end of the dust removal shaft, and the second discharger is located above the main water pipe, so as to control the separated dust and impurities to be discharged into the dust removal mechanism.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The water inlet of the main water pipe is connected to the external water pipe, and the water entering the main water pipe is atomized through the atomizing nozzle and sprayed into the equipment casing to moisten the dust and impurities entering the equipment casing, so that the dust and impurity particles adhere to each other and agglomerate, avoiding excessive dust generation when cleaning dust and impurities, and ensuring the health of the staff.

[0013] 2. Use the second motor to drive the screw to rotate, so that the cleaning plate moves on the surface of the screen plate, clean the dust and impurities on the surface of the screen plate, and make the dust and impurities enter the discharge trough of the discharge roller. Cooperate with the first motor to drive the discharge roller to rotate, so that the dust and impurities in the discharge trough are separated from the discharge trough by gravity during the rotation process, so that the dust removal mechanism can continuously discharge dust and impurities.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional structural diagram of an environmentally friendly fly ash pneumatic conveying device of the utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of a dust removal mechanism of an environmentally friendly fly ash pneumatic conveying device of the utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of a dust removal mechanism of an environmentally friendly fly ash pneumatic conveying device of the utility model;

[0019] Figure 4 The utility model is a three-dimensional structural diagram of a discharge roller of an environmentally friendly fly ash pneumatic conveying device.

[0020] Legend:

[0021] 1. Discharging shaker; 2. First discharger; 3. Discharging pipe; 4. Base; 5. Roots blower; 6. Muffler; 7. Air duct; 8. Dust removal mechanism; 9. Second discharger; 10. Dust removal shaker; 11. Main water pipe; 12. Equipment casing; 13. First motor; 14. Second motor; 15. Discharging roller; 16. Fixed plate; 17. Screen plate; 18. Cleaning plate; 19. Guide rod; 20. Screw; 21. Discharging chute. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4The utility model embodiment is an environmentally friendly fly ash pneumatic conveying device, which includes: a discharge shaker 1, a Roots blower 5, a dust removal shaker 10 and a dust removal mechanism 8, the lower end of the Roots blower 5 is fixedly connected to a base 4, the upper end of the base 4 is fixedly connected to a discharge pipe 3 and a muffler 6, and one end of the discharge pipe 3 is connected to the muffler 6, and the other end of the muffler 6 is connected to the Roots blower 5, the discharge shaker 1 is located directly above the discharge pipe 3, and the lower end output end of the discharge shaker 1 is fixedly connected to the upper end of the discharge pipe 3, the discharge shaker 1 is connected to the discharge pipe 3, the upper end input end of the Roots blower 5 is fixedly connected to an air duct 7, and the other end of the air duct 7 is fixedly connected to the middle part of the upper end of the dust removal shaker 10, and The dust removal shaker 10 is connected to the air duct 7, the discharge port of the dust removal shaker 10 is connected to the upper input end of the discharge shaker 1, and the dust removal mechanism 8 is installed at the lower ash discharge port of the dust removal shaker 10; the dust removal mechanism 8 includes a main water pipe 11, an equipment housing 12 and a sieve plate 17, the equipment housing 12 is fixedly connected to the lower end of the ash discharge port of the discharge shaker 1, the lower end of the equipment housing 12 is provided with an opening, and the opening is connected to the equipment housing 12, the upper end of the equipment housing 12 is fixedly connected with an atomizing nozzle, and the water outlet of the atomizing nozzle extends downward into the equipment housing 12, the main water pipe 11 is fixedly connected to the upper end of the atomizing nozzle, and the atomizing nozzle is connected to the main water pipe 11, and the side end of the main water pipe 11 is provided with a water inlet.

[0024] A sieve plate 17, a cleaning plate 18, a guide rod 19 and a screw 20 are provided in the equipment housing 12, and the guide rod 19 and the screw 20 are located above the sieve plate 17, the sieve plate 17 and the guide rod 19 are respectively fixedly connected to the inner wall of the equipment housing 12, and the guide rod 19 is located on both sides of the screw 20, and the two ends of the screw 20 are respectively rotatably connected to the inner wall of the equipment housing 12, the cleaning plate 18 is provided at the upper end of the sieve plate 17, and the guide rod 19 and the screw 20 respectively penetrate the cleaning plate 18, the screw 20 is located in the middle of the cleaning plate 18 and is threadedly connected to the cleaning plate 18, and the outer end of the equipment housing 12 is fixedly connected to the second motor 14, and the output end of the second motor 14 is fixedly connected to the screw 20.

[0025] Channels are respectively opened on both side ends of the equipment housing 12, and the channels are located at the upper end of the screen plate 17. The outer end of the equipment housing 12 is fixedly connected with a fixing plate 16, and the fixing plates 16 are respectively located at both ends of the channel. A discharge roller 15 is installed between the fixing plates 16, and the two ends of the discharge roller 15 are rotatably connected to the fixing plates 16 respectively. The discharge roller 15 passes through the channel and extends into the equipment housing 12, and the discharge roller 15 is slidably connected to the inner wall of the equipment housing 12. The side end of the fixing plate 16 is fixedly connected with the first motor 13, and the output end of the first motor 13 passes through the fixing plate 16, and the output end of the first motor 13 is fixedly connected to the middle rotating shaft of the discharge roller 15.

[0026] A discharge groove 21 is formed at the outer end of the discharge roller 15, and the bottom of the discharge groove 21 is in an arc shape.

[0027] The discharge port of the discharge shaker 1 is equipped with a first discharger 2 , and the first discharger 2 is located above the discharge pipe 3 .

[0028] A second discharger 9 is installed in the ash discharge port at the lower end of the dust removal shaker 10, and the second discharger 9 is located above the main water pipe 11.

[0029] Working principle: When in use, the unloading shaker 1 separates the transported coal powder and the airflow, and then separates the dust in the airflow through the dust removal shaker 10. The separated dust impurities enter the dust removal mechanism 8, and the water inlet of the main water pipe 11 is connected to the external water pipe. The atomizing nozzle atomizes the water entering the main water pipe 11 and sprays it into the equipment housing 12 to moisten the dust impurities entering the equipment housing 12, so that the dust impurity particles adhere to each other and agglomerate. The sieve plate 17 filters the dust impurities. At the same time, the second motor 14 drives the screw 20 to rotate, so that the cleaning plate 18 moves on the surface of the sieve plate 17, and pushes the dust impurities on the surface of the sieve plate 17 to the channels on both sides of the equipment housing 12, so that the dust impurities enter the unloading trough 21 of the unloading roller 15, and then the first motor 13 drives the unloading roller 15 to rotate, so that the dust impurities in the unloading trough 21 are separated from the unloading trough 21 by gravity during the rotation process, and the above steps are repeated after the unloading roller 15 rotates one circle.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An environmentally friendly fly ash pneumatic conveying device, characterized in that: include: A discharge shaker (1), a Roots blower (5), a dust removal shaker (10) and a dust removal mechanism (8), wherein the lower end of the Roots blower (5) is fixedly connected to a base (4), the upper end of the base (4) is fixedly connected to a discharge pipe (3) and a muffler (6), and one end of the discharge pipe (3) is connected to the muffler (6), and the other end of the muffler (6) is connected to the Roots blower (5), the discharge shaker (1) is located directly above the discharge pipe (3), and the lower end output end of the discharge shaker (1) is connected to the discharge pipe (3). The upper end of the material pipe (3) is fixedly connected, the discharge shaft (1) is connected to the discharge pipe (3), the upper input end of the Roots blower (5) is fixedly connected to the air duct (7), the other end of the air duct (7) is fixedly connected to the middle of the upper end of the dust removal shaft (10), and the dust removal shaft (10) is connected to the air duct (7), the discharge port of the dust removal shaft (10) is connected to the upper input end of the discharge shaft (1), and the dust removal mechanism (8) is installed at the lower end ash discharge port of the dust removal shaft (10); The dust removal mechanism (8) comprises a main water pipe (11), an equipment casing (12) and a sieve plate (17); the equipment casing (12) is fixedly connected to the lower end of the ash discharge port of the unloading ash collector (1); the lower end of the equipment casing (12) is provided with an opening, and the opening is communicated with the equipment casing (12); the upper end of the equipment casing (12) is fixedly connected to an atomizing nozzle, and the water outlet of the atomizing nozzle extends downward into the equipment casing (12); the main water pipe (11) is fixedly connected to the upper end of the atomizing nozzle, and the atomizing nozzle is communicated with the main water pipe (11); and the side end of the main water pipe (11) is provided with a water inlet.

2. The environmentally friendly fly ash pneumatic conveying device according to claim 1, characterized in that: A sieve plate (17), a cleaning plate (18), a guide rod (19) and a screw rod (20) are arranged in the device housing (12), and the guide rod (19) and the screw rod (20) are located above the sieve plate (17). The sieve plate (17) and the guide rod (19) are respectively fixedly connected to the inner wall of the device housing (12), and the guide rod (19) is located on both sides of the screw rod (20). Both ends of the screw rod (20) are respectively rotatably connected to the inner wall of the device housing (12). The cleaning plate (18) is arranged at the upper end of the sieve plate (17), and the guide rod (19) and the screw rod (20) respectively penetrate the cleaning plate (18). The screw rod (20) is located in the middle of the cleaning plate (18) and is threadedly connected to the cleaning plate (18). A second motor (14) is fixedly connected to the outer end of the device housing (12), and an output end of the second motor (14) is fixedly connected to the screw rod (20).

3. The environmentally friendly fly ash pneumatic conveying device according to claim 2 is characterized in that: Channels are respectively provided at both side ends of the device housing (12), and the channels are located at the upper end of the screen plate (17). A fixed plate (16) is fixedly connected to the outer side end of the device housing (12), and the fixed plates (16) are respectively located at both ends of the channels. A discharge roller (15) is installed between the fixed plates (16), and the two ends of the discharge roller (15) are respectively rotatably connected to the fixed plates (16). The discharge roller (15) passes through the channel and extends into the device housing (12), and the discharge roller (15) is slidably connected to the inner wall of the device housing (12). A first motor (13) is fixedly connected to the side end of the fixed plate (16), and the output end of the first motor (13) passes through the fixed plate (16), and the output end of the first motor (13) is fixedly connected to the middle rotating shaft of the discharge roller (15).

4. The environmentally friendly fly ash pneumatic conveying device according to claim 3 is characterized in that: A discharge groove (21) is provided at the outer end of the discharge roller (15), and the bottom of the discharge groove (21) is in an arc shape.

5. The environmentally friendly fly ash pneumatic conveying device according to claim 1, characterized in that: The discharge port of the discharge shaker (1) is equipped with a first discharger (2), and the first discharger (2) is located above the discharge pipe (3).

6. The environmentally friendly fly ash pneumatic conveying device according to claim 1, characterized in that: A second discharger (9) is installed in the ash discharge port at the lower end of the dust removal shaker (10), and the second discharger (9) is located above the main water pipe (11).

Images