Sweeping and sucking integrated pulverized coal dust removal and recovery vehicle

Abstract

The utility model relates to the technical field of pulverized coal processing, in particular to a sweeping and suction integrated pulverized coal dust removal and recovery vehicle which comprises a vehicle body, a chassis, wheels, a power device, an induced draft fan, a first sweeping disc, a second sweeping disc and a dust suction disc. The dust collection disc is fixedly connected with an air inlet of the induced draft fan through a dust collection pipe, an air outlet of the induced draft fan is communicated with the dust collection groove through the conveying opening, a screen, a filter groove, a first filter screen, a second filter screen, a liquid collection hopper and a water tank are sequentially arranged below the dust collection groove, porcelain beads are laid on the bottom layer of the filter groove, and the side wall of the water tank is fixedly connected with a water outlet header pipe. A water pump is arranged on the water outlet main pipe, the water outlet branch pipes are fixedly connected with the water outlet main pipe through the water outlet transverse pipes, and the water outlet branch pipes are fixedly connected with a plurality of flushing sprayers. According to the device, ground particles can be absorbed, the assembly number of the device is reduced, and escaping pulverized coal particles are effectively recovered.

Description

Technical Field

[0001] The utility model relates to the technical field of pulverized coal processing, in particular to a sweeping and suction integrated pulverized coal dust removal and recovery vehicle. Background Art

[0002] Pulverized coal refers to coal with a particle size between 0mm and 6mm. It is easy to produce fine particles during transportation and processing, which causes environmental pollution and affects human health. In order to effectively collect scattered particles, dust removal devices are usually installed in smoke-dense places to absorb dusty air. However, scattered particles not only exist in the air, but some of them will settle on the ground. Therefore, it is necessary to develop a sweeping and suction integrated pulverized coal dust recovery vehicle that can absorb ground particles, reduce the number of devices installed, and effectively recover particles. Utility Model Content

[0003] In response to the above technical problems, the utility model provides a sweeping and suction integrated pulverized coal dust recovery vehicle that can simultaneously absorb ground particles, reduce the number of dust removal devices installed, and effectively recover particles, so as to solve the problems of the existing inability to specifically handle ground particles and the large number of dust removal devices required.

[0004] In order to solve the above technical problems, the utility model discloses a sweeping and suction integrated pulverized coal dust collection vehicle, comprising a vehicle body, a chassis, wheels, a power device, a sweeping and dust collection device, and an induced draft fan. The upper part of the chassis is located in the vehicle body and is fixedly connected to the power device and the induced draft fan. The lower part of the chassis is rotatably connected to the wheels and the sweeping and dust collection device. The sweeping and dust collection device comprises a first sweeping disc, a second sweeping disc, and a dust collection disc. The dust collection disc is fixedly connected to the air inlet of the induced draft fan through a dust collection pipe. The air outlet of the induced draft fan is connected to the dust collecting trough. The bottom of the dust collecting trough The screen is fixedly connected to the dust collecting tank, and a filter tank, a first filter screen, a second filter screen, a liquid collecting hopper and a water tank are arranged in sequence from top to bottom below the dust collecting tank. A plurality of through holes are provided on the bottom plate of the filter tank, and porcelain beads are laid on the bottom layer of the filter tank. The liquid collecting hopper is fixedly connected to the water tank through a liquid outlet pipe, and one side of the liquid collecting hopper is connected to the outside through an air outlet pipe. The side wall of the water tank is fixedly connected to a water outlet main pipe, and a water pump is arranged on the water outlet main pipe. The water outlet branch pipe is fixedly connected to the water outlet main pipe through a water outlet horizontal pipe, and the water outlet branch pipe is fixedly connected to a plurality of vertically downward flushing nozzles.

[0005] Furthermore, a brake, a control console, a steering wheel and a seat are arranged at the front end of the vehicle body.

[0006] Furthermore, a first connecting rod is fixedly connected to the chassis, the first cleaning disc is rotatably connected to the first connecting rod via a first connecting shaft, the first connecting shaft is fixedly connected to the output end of the motor, the second cleaning disc is rotatably connected to the second connecting rod via a second connecting shaft, and the second connecting shaft is fixedly connected to the output end of the motor.

[0007] Furthermore, a cross bar is fixedly connected to the chassis, a strip groove is provided on the cross bar, and the translation rod is slidably connected in the strip groove, the second connecting rod is fixedly connected to the translation rod by a limiting bolt, the turntable is rotatably connected to the cross bar by a bearing, the motor output end is fixedly connected to the bearing, two limiting columns are symmetrically fixedly connected to the turntable, the push rod is located on the inner side of the turntable and is rotatably connected to the cross bar by a limiting bolt, the push rod is divided into a pushing end and a sliding end, the pushing end and the sliding end are connected at an angle of 90°, a strip through hole is provided on the sliding end of the push rod, the sliding end of the push rod is fixedly connected to the translation rod by a limiting bolt passing through the strip through groove, and the sliding rod is fixedly connected below the second connecting rod.

[0008] Furthermore, the first connecting rod and the second connecting rod are fixedly connected to the first angle control rod and the second angle control rod respectively, and the first connecting rod, the second connecting rod, the first angle control rod and the second angle control rod form a connecting rod mechanism.

[0009] Furthermore, the first booster pump is fixedly connected to the first connecting rod, the input end of the first booster pump is connected to the water tank via a connecting hose, and the output end of the first booster pump is fixedly connected to the first nozzle via a connecting straight pipe.

[0010] Furthermore, a second booster pump is arranged on the upper outer side of the rear end of the vehicle body, the input end of the second booster pump is fixedly connected to the connecting pipe, the connecting pipe passes through the vehicle body and is fixedly connected to the water outlet cross pipe, and the output end of the second booster pump is fixedly connected to the second nozzle through a connecting elbow.

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

[0012] The utility model arranges a flushing nozzle above the dust collecting trough and a screen below the dust collecting trough to separate pulverized coal particles, dust and other large debris, and does not affect the collection and recovery of pulverized coal particles while realizing the cleaning function. The water flow carries the pulverized coal particles into the filter trough, and porcelain beads are laid on the bottom of the filter trough to separate the pulverized coal particles from the water flow. At the same time, the pulverized coal particles are mixed with the porcelain beads, which can prevent the particles from escaping again when they are taken out. The water flow leaves the filter trough and enters the water tank through two layers of filter screens, thereby realizing the recycling of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 This is a simplified diagram of the chassis structure of the utility model.

[0015] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0016] Figure 4 This is a schematic diagram of the water pipe arrangement of the utility model.

[0017] Figure 5 for Figure 3 Left view.

[0018] In the figure: 1, vehicle body, 2, wheels, 3, chassis, 4, brakes, 5, control console, 6, steering wheel, 7, seats, 8, power unit, 9, first cleaning disc, 10, second cleaning disc, 11, first connecting rod, 12, first angle control rod, 13, first booster pump, 14, connecting straight pipe, 15, first nozzle, 16, first connecting shaft, 17, second angle control rod, 18, second connecting rod, 19, cross bar, 20, second connecting shaft, 21, motor, 22, induced draft fan, 23, dust suction disc, 24, dust suction pipe, 25. Turntable, 26. Push rod, 27. Transfer area, 28. Sliding rod, 29. Dust collecting trough, 30. Water tank, 31. Water outlet main pipe, 32. Water pump, 33. Water outlet horizontal pipe, 34. Water outlet branch pipe, 35. Flushing nozzle, 36. Second nozzle, 37. Connecting elbow, 38. Second booster pump, 39. Connecting pipe, 40. Connecting hose, 41. Air outlet pipe, 42. Translation rod, 43. Screen, 44. Ceramic beads, 45. Filter trough, 46. First filter screen, 47. Second filter screen, 48. Liquid collecting bucket, 49. Liquid outlet pipe. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] like Figures 1 to 5The shown one kind of sweeping and suction integrated pulverized coal dust removal and recovery vehicle comprises a vehicle body 1, a chassis 3, four sets of wheels 2, a power unit 8, a sweeping and dust suction device, and an induced draft fan 22. The upper part of the chassis 3 is located in the vehicle body 1 and is fixedly connected to the power unit 8 and the induced draft fan 22. The lower part of the chassis 3 is rotatably connected to the wheels 2 and the sweeping and dust suction device. The sweeping and dust suction device comprises a first sweeping disc 9, a second sweeping disc 10, and a dust suction disc 23, which can achieve the effect of movable sweeping and recovery of the device. The first sweeping disc 9 and the second sweeping disc 10 are respectively fixedly connected to motors. The dust suction disc 23 is fixedly connected to the air inlet of the induced draft fan 22 through a dust suction pipe 24. The induced draft fan 22 is fixedly connected in a conveying area 27. A conveying port is provided on the right side of the upper end of the conveying area 27. The air outlet of the induced draft fan 22 is connected to the conveying port through the conveying port. The dust collecting tank 29 is connected, and a filter tank 45, a first filter screen 46, a second filter screen 47, a liquid collecting hopper 47, and a water tank 30 are arranged in sequence below the dust collecting tank 29. Ceramic beads 44 are laid on the bottom of the filter tank 45, so that the pulverized coal particles are retained in the filter tank 45 and mixed with the porcelain beads 44 to prevent the pulverized coal particles from escaping again when the filter tank 45 is taken out. The liquid collecting hopper 47 is fixedly connected to the water tank 30 through a liquid outlet pipe 49 to facilitate water resource recycling. The right side of the liquid collecting hopper 47 is fixedly connected to the air outlet pipe 41 to facilitate gas discharge. The side wall of the water tank 30 is fixedly connected to the water outlet main pipe 31, and a water pump 32 is arranged on the water outlet main pipe 31. The water outlet branch pipe 34 is fixedly connected to the water outlet main pipe 31 through a water outlet transverse pipe 33, and the water outlet branch pipe 34 is fixedly connected to a plurality of flushing nozzles 35.

[0021] It should be noted that, in this embodiment, the first connecting rod 11, the first angle control rod 12, the second angle control rod 17, and the second connecting rod 18 are existing structures and will not be described in detail in this example.

[0022] In order to realize the mobility of the dust collecting and recycling device and reduce the pressure of human resources, a brake 4, a control console 5, a steering wheel 6, and a seat 7 are arranged at the front end of the vehicle body 1.

[0023] In order to ensure that low places can also be cleaned, a strip groove is opened on the cross bar 19, and the translation rod 42 is slidably connected in the strip groove. The second connecting rod 18 is fixedly connected to the translation rod 42 by a limit bolt. The turntable 25 is rotatably connected to the cross bar 19 through a bearing, and the output end of the motor 21 is fixedly connected to the bearing. Two small cylinders are fixedly connected to the turntable 25. The push rod 26 is located on the inner side of the turntable 25 and is rotatably connected to the cross bar 19 by a limit bolt. The push rod 26 is divided into a pushing end and a sliding end. The connection between the pushing end and the sliding end is at a 90° angle. A strip through groove is opened at the sliding end of the push rod 26. The sliding end of the push rod 26 is fixedly connected to the translation rod 42 by a limit bolt passing through the strip through hole. The sliding rod 28 is fixedly connected below the second connecting rod 18.

[0024] In order to make the first cleaning disc 9 and the second cleaning disc 10 adapt to various usage environments, the first angle control rod 12 and the second angle control rod 17 are fixedly connected to the first connecting rod 11 and the second connecting rod 18 respectively, and the first connecting rod 11, the second connecting rod 18, the first angle control rod 12, and the second angle control rod 17 form a connecting rod mechanism.

[0025] In order to reduce the dispersion of dust and pulverized coal particles during cleaning and vacuuming, the first booster pump 13 is fixedly connected to the first connecting rod 11, the input end of the first booster pump 13 is connected to the water tank 30 via a connecting hose 40, and the output end of the first booster pump 13 is fixedly connected to the first nozzle 15 via a connecting straight pipe 14.

[0026] In order to accelerate the sedimentation of pulverized coal particles in the air, a second booster pump 38 is arranged on the upper outer side of the rear end of the vehicle body 1. The input end of the second booster pump 38 is fixedly connected to a connecting pipe 39. The connecting pipe 39 passes through the vehicle body 1 and is fixedly connected to the water outlet cross pipe and the water outlet main pipe through a three-way joint. The output end of the second booster pump 38 is fixedly connected to the second nozzle 36 through a connecting elbow 37.

[0027] In order to facilitate taking out the dust collecting tank 29 and the filter tank 45 in the vehicle body 1 to process the contents therein, a door is hinged at the rear end of the vehicle body 1, and the dust collecting tank 29 and the filter tank 45 can be taken out after the door is opened.

[0028] The working process of this embodiment is as follows:

[0029] When the dust collection vehicle is working, the staff enters the front cab of the vehicle body 1 and sits on the seat 7. The power device 8 is operated through the control console 5 to drive the wheels 2 to rotate, and the driving direction of the dust collection vehicle is controlled by the steering wheel 6. At the same time, according to the on-site situation, the first booster pump 13 is controlled to send the water stored in the water tank 30 into the connecting straight pipe 14 through the connecting hose 40, and then spray it on the ground through the first nozzle 15. The motor 21 is started to rotate the first cleaning disc 9 and the second cleaning disc 10 to sweep the ground powder coal particles and dust and debris into the dust suction disc. The dust collector 23 is moved to the working area of ​​the dust collector 23, and enters the conveying area 27 through the dust suction pipe 24, and the induced draft fan 22 is started to convey the pulverized coal particles and dust and debris upward through the air inlet, and then enter the dust collecting tank 29 through the air outlet. When cleaning the dust accumulated at the bottom of some equipment, the motor 21 can be started to make the second cleaning plate 10 move horizontally in the sliding groove of the cross bar 19, and the dust that is difficult to clean is concentrated in the working area of ​​the dust collector 23. The second booster pump 38 sends the water in the water outlet cross pipe 33 to the connecting elbow 37 through the connecting pipe 39, and then passes through the second nozzle 3 6 is sprayed into the air to accelerate the sedimentation of the pulverized coal particles in the air. The water pump 32 sends the water in the water tank 30 upward to the water outlet horizontal pipe 33 and the water outlet branch pipe 34 through the water outlet main pipe. The pulverized coal particles and other large debris in the dust collecting tank 29 are washed through the flushing nozzle 35. The water flow carries the pulverized coal particles through the screen 43, and the large debris is retained above the screen 43. The water flow carries the pulverized coal particles through the screen 43 into the filter tank 45. When the water flows through the porcelain beads 44 laid at the bottom of the filter tank 45, the pulverized coal particles are The particles are retained between the porcelain beads, and the water continues to flow downward, filtered through the first filter screen 46 and the second filter screen 47, and enters the liquid collecting hopper 48. The filtered water returns to the water tank 30 through the liquid outlet pipe 49. The side wall of the liquid collecting hopper 48 is connected to the air outlet pipe 41, and the gas sucked in by the dust collecting disc 23 during operation and after dust removal is discharged. After a round of operation is completed, the dust recovery vehicle is parked by the brake 4, and the rear door of the vehicle body 1 is opened to uniformly treat the debris in the dust collecting tank 29 and the pulverized coal particles mixed with the porcelain beads 44 in the filter tank 45.

Claims

1. A sweeping and suction integrated pulverized coal dust removal and recovery vehicle, comprising a vehicle body (1), a chassis (3), wheels (2), a power device (8), a sweeping and dust suction device, and an induced draft fan (22), wherein the upper portion of the chassis (3) is located in the vehicle body (1) and is fixedly connected to the power device (8) and the induced draft fan (22), and the lower portion of the chassis (3) is rotatably connected to the wheels (2) and the sweeping and dust suction device, wherein the sweeping and dust suction device comprises a first sweeping disc (9), a second sweeping disc (10), and a dust suction disc (23), and is characterized in that: The dust collecting pan (23) is fixedly connected to the air inlet of the induced draft fan (22) through a dust collecting pipe (24); the air outlet of the induced draft fan (22) is communicated with the dust collecting tank (29); the bottom of the dust collecting tank (29) is fixedly connected to a screen (43); a filter tank (45), a first filter screen (46), a second filter screen (47), a liquid collecting bucket (48), and a water tank (30) are arranged in order from top to bottom below the dust collecting tank (29); a plurality of through holes are provided on the bottom plate of the filter tank (45); and the bottom layer of the filter tank (45) is paved with A porcelain bead (44) is provided, the liquid collecting hopper (48) is fixedly connected to the water tank (30) through a liquid outlet pipe (49), one side of the liquid collecting hopper (48) is communicated with the outside through an air outlet pipe (41), the side wall of the water tank (30) is fixedly connected to a water outlet main pipe (31), a water pump (32) is provided on the water outlet main pipe (31), a water outlet branch pipe (34) is fixedly connected to the water outlet main pipe (31) through a water outlet transverse pipe (33), and the water outlet branch pipe (34) is fixedly connected to a plurality of vertically downward flushing nozzles (35).

2. The sweeping and suction integrated pulverized coal dust removal and recovery vehicle according to claim 1 is characterized in that: A brake (4), a control console (5), a steering wheel (6) and a seat (7) are arranged at the front end of the vehicle body (1).

3. The sweeping and suction integrated pulverized coal dust removal and recovery vehicle according to claim 1 is characterized in that: A first connecting rod (11) is fixedly connected to the chassis (3); the first cleaning disc (9) is rotatably connected to the first connecting rod (11) via a first connecting shaft (16); the first connecting shaft (16) is fixedly connected to the output end of the motor; the second cleaning disc (10) is rotatably connected to the second connecting rod (18) via a second connecting shaft (20); the second connecting shaft (20) is fixedly connected to the output end of the motor.

4. The sweeping and suction integrated pulverized coal dust removal and recovery vehicle according to claim 3 is characterized in that: The chassis (3) is fixedly connected with a cross bar (19), a strip groove is provided on the cross bar (19), and a translation rod (42) is slidably connected in the strip groove. The second connecting rod (18) is fixedly connected to the translation rod (42) by a limiting bolt. The turntable (25) is rotatably connected to the cross bar (19) by a bearing. The output end of the motor (21) is fixedly connected to the bearing. Two limiting columns are symmetrically fixedly connected to the turntable (25). A push rod (26) is located on the inner side of the turntable (25) and is rotatably connected to the cross bar (19) by a limiting bolt. The push rod (26) is divided into a pushing end and a sliding end. The connection between the pushing end and the sliding end is at an angle of 90°. The sliding end of the push rod (26) is provided with a strip through hole. The sliding end of the push rod (26) is fixedly connected to the translation rod (42) by a limiting bolt passing through the strip through groove. The sliding rod (28) is fixedly connected below the second connecting rod (18).

5. The sweeping and suction integrated pulverized coal dust removal and recovery vehicle according to claim 3 is characterized in that: The first connecting rod (11) and the second connecting rod (18) are respectively fixedly connected to the first angle control rod (12) and the second angle control rod (17); the first connecting rod (11), the second connecting rod (18), the first angle control rod (12) and the second angle control rod (17) form a connecting rod mechanism.

6. The sweeping and suction integrated pulverized coal dust removal and recovery vehicle according to claim 3 is characterized in that: The first booster pump (13) is fixedly connected to the first connecting rod (11); the input end of the first booster pump (13) is connected to the water tank (30) via a connecting hose (40); and the output end of the first booster pump (13) is fixedly connected to the first nozzle (15) via a connecting straight pipe (14).

7. The sweeping and suction integrated pulverized coal dust removal and recovery vehicle according to claim 1 is characterized in that: A second booster pump (38) is arranged on the upper outer side of the rear end of the vehicle body (1); the input end of the second booster pump (38) is fixedly connected to a connecting pipe (39); the connecting pipe (39) passes through the vehicle body (1) and is fixedly connected to the water outlet transverse pipe (33); the output end of the second booster pump (38) is fixedly connected to the second nozzle (36) via a connecting elbow (37).

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