Gravel aggregate dust removal device

Abstract

The invention discloses a gravel aggregate dust removal device, and relates to the technical field of dust removal equipment. Comprising a shell; the dust inlet is formed in the side wall of the shell; the filtering assembly is arranged in the shell, and the dust inlet is communicated with the filtering assembly; the spraying water tank is arranged in the shell, and the filtering assembly is communicated with the spraying water tank; the spraying plate assembly is arranged in the spraying water tank; the air outlet box is arranged on the side wall, away from the filtering assembly, of the spraying water tank, and the air outlet box communicates with the spraying water tank; the air outlet is formed in the top of the shell and communicates with the air outlet box. The filtering assembly comprises a filtering box arranged in the shell, a filtering conveying belt is arranged in the filtering box in a penetrating mode, and the two opposite side walls of the filtering box communicate with the dust inlet and the spraying water tank correspondingly; the spraying plate assembly comprises a partition plate horizontally arranged in the spraying water tank, and a spraying head is arranged above the partition plate. The device has the advantages that the contact area between dust and purified water is increased, the contact time between dust and purified water is prolonged, and the dust removal effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of dust removal equipment, and in particular to a sand and gravel aggregate dust removal device. Background Art

[0002] A lot of dust is generated during the production of sand and gravel aggregates. Currently, wet dust removal is used to deal with dust. However, during the spraying process of clean water, the contact area with dusty air is small and the contact time is short, which easily leads to poor dust removal effect. Summary of the invention

[0003] In view of the above-mentioned technical deficiencies, the purpose of the present invention is to provide a sand and gravel aggregate dust removal device, which has the advantages of increasing the contact area and time between dust and clean water, improving the dust removal effect, etc.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solution: The present invention provides a sand and gravel aggregate dust removal device, comprising: case; A dust inlet, which is arranged on a side wall of the shell; A filter assembly is disposed in the housing, and the dust inlet is connected to the filter assembly; A spray water tank, which is arranged in the shell, and the filter assembly is connected to the spray water tank; A spray plate assembly, the spray plate assembly is arranged in the spray water tank; An air outlet box is arranged on the side wall of the spray water tank away from the filter assembly, and the air outlet box is connected to the spray water tank; An air outlet is arranged at the top of the shell and is connected to the air outlet box; The filter assembly includes a filter box disposed in the housing, a filter conveyor belt is provided through the filter box, and two opposite side walls of the filter box are respectively connected to the dust inlet and the spray water tank; The spray plate assembly comprises a partition plate horizontally arranged in the spray water tank, a spray head is arranged above the partition plate, and a plurality of air outlet pipes are arranged in the partition plate.

[0005] Preferably, the partition divides the interior of the spray water box into an upper chamber and a lower chamber. The filter box is connected to the lower chamber through a horizontally arranged connecting pipe. The nozzle is located at the top of the upper chamber. The upper chamber and the lower chamber are connected through an air outlet pipe. The air outlet box is connected to the side wall of the upper chamber away from the filter box, so that the external dusty air passes through the filter box and the connecting pipe in turn into the lower chamber, and then is dusted under the spraying action of the nozzle. The dust-removed air enters the upper chamber through the air outlet pipe and is discharged from the air outlet box.

[0006] Preferably, the nozzle comprises: A nozzle mounting plate, the nozzle mounting plate is arranged on the top of the upper chamber; A water mist nozzle, wherein a plurality of water mist nozzles are provided and the plurality of water mist nozzles are distributed in an array on the nozzle mounting plate, and the water outlets of the water mist nozzles face the partition; The spray box is arranged outside the spray water tank, and the water mist nozzle is connected to the spray box. When the dusty air enters into the lower chamber, the water mist nozzle can spray clean water mist to spray the dusty air entering into the upper chamber from the lower chamber through the air outlet pipe.

[0007] Preferably, the number of the air outlet pipes is the same as the number of the water mist nozzles, the air outlet pipes are distributed in an array on the partition, and the air outlet pipes vertically penetrate the partition, and the positions of the air outlet pipes correspond one-to-one to the positions of the water mist nozzles, so as to facilitate the spraying of dusty air entering the upper chamber.

[0008] Preferably, an airflow regulating roller assembly is provided in the lower chamber, and the airflow regulating roller assembly comprises: An airflow box is arranged in the lower chamber, and a connecting pipe is connected to a side wall of the airflow box close to the filter box, and the bottom surface of the airflow box is a screen-like structure; An air outlet slot, wherein a plurality of air outlet slots are provided, and the plurality of air outlet slots are arranged at intervals on the top surface of the airflow box; Adjusting rollers, the number of which is the same as the number of the outlet slots, and the plurality of adjusting rollers are rotatably arranged in the air flow box, and the positions of the outlet slots correspond to the positions of the adjusting rollers one by one; An air storage groove is arranged on the outer peripheral wall of each adjusting roller, and the position of the air outlet groove corresponds to the position of the air storage groove up and down, and the air intake volume of the dusty air can be adjusted according to the dust removal needs.

[0009] Preferably, the adjusting rollers are horizontally arranged in parallel in the air flow box, and the outer peripheral walls of the adjusting rollers are in conflict with the openings of the air outlet grooves and the inner bottom surface of the air flow box, and the outer peripheral walls of the two connected adjusting rollers are in conflict with each other. When the adjusting rollers rotate, the air storage grooves can be rotated to correspond to the position of the air outlet grooves, so that the dusty air can enter the upper chamber through the air outlet grooves.

[0010] Preferably, the filter conveyor belt is composed of a plurality of filter soft plates connected end to end in sequence, the filter soft plates are of a sieve-like structure, and the filter soft plates movably penetrate the other two opposite side walls of the filter box, so that each filter soft plate can be moved into the filter box in sequence for use, thereby improving the filtering effect on dusty air.

[0011] Preferably, a drainage pipe is provided on the bottom surface of the spray water tank, and the drainage pipe is communicated with the lower chamber to facilitate the discharge of clean water after the dust-laden air is sprayed.

[0012] Preferably, a liquid collecting box is provided at the bottom of the shell, and one end of the drainage pipe away from the lower chamber passes through the liquid collecting box, so as to collect the clean water after the dust-laden air is sprayed.

[0013] Preferably, the air outlet pipe and the water mist nozzle are both hollow truncated cone structures, with the large diameter end of the air outlet pipe facing the partition, and the small diameter end of the water mist nozzle facing the nozzle mounting plate, which is beneficial to improving the spraying effect on dusty air.

[0014] The beneficial effects of the present invention are: 1. The position of the air outlet pipe in the partition corresponds one-to-one with the position of the water mist nozzle on the nozzle mounting plate, which facilitates one-to-one spraying between the water mist nozzle and the air outlet pipe, so that the contact time between the clean water and the dusty air is long and the contact area is large, which is beneficial to improving the dust removal effect on the dusty air.

[0015] 2. The dusty air is first filtered through the filter assembly and then enters the spray water tank to complete the spray dust removal, avoiding blockage caused by larger particles of dust, and also helping to improve the spray effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the internal structure of a sand and gravel aggregate dust removal device provided in an embodiment of the present invention.

[0018] Figure 2 A schematic diagram of the internal structure of a spray water tank of a sand and gravel aggregate dust removal device provided in an embodiment of the present invention.

[0019] Figure 3 A schematic diagram of the structure of a filter conveyor belt of a sand and gravel aggregate dust removal device provided in an embodiment of the present invention.

[0020] Figure 4 A schematic diagram of the position of the connecting pipes of a sand and gravel aggregate dust removal device provided in an embodiment of the present invention.

[0021] Figure 5 A schematic diagram of the air outlet pipe structure of a sand and gravel aggregate dust removal device provided in an embodiment of the present invention.

[0022] Figure 6 A schematic diagram of the nozzle structure of a sand and gravel aggregate dust removal device provided in an embodiment of the present invention.

[0023] Figure 7 A schematic structural diagram of an airflow regulating roller assembly of a sand and gravel aggregate dust removal device provided in an embodiment of the present invention.

[0024] Figure 8 A schematic diagram of the position of an air storage tank of a sand and gravel aggregate dust removal device provided in an embodiment of the present invention.

[0025] Explanation of the reference numerals: 1. Shell; 2. Dust inlet; 3. Filter assembly; 31. Filter box; 311. Connecting pipe; 32. Filter conveyor belt; 321. Filter soft board; 4. Spray water tank; 41. Upper chamber; 42. Lower chamber; 43. Drain pipe; 5. Spray plate assembly; 51. Partition; 52. Nozzle; 521. Nozzle mounting plate; 522. Water mist nozzle; 53. Air outlet pipe; 54. Air flow adjustment roller assembly; 541. Air flow box; 542. Air outlet groove; 543. Adjustment roller; 544. Air storage groove; 6. Air outlet box; 7. Air outlet; 8. Liquid collecting box. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Embodiment 1 like Figure 1 to Figure 2 , Figures 5 and 6 As shown, the present invention provides a sand and gravel aggregate dust removal device, comprising a shell 1; a dust inlet 2 is arranged on the side wall of the shell 1; a filter assembly 3 is arranged in the shell 1, and the dust inlet 2 is connected to the filter assembly 3; a spray water tank 4 is arranged in the shell 1, and the filter assembly 3 is connected to the spray water tank 4; a spray plate assembly 5 is arranged in the spray water tank 4; an air outlet box 6 is arranged on the side wall of the spray water tank 4 away from the filter assembly 3, and the air outlet box 6 is connected to the spray water tank 4; an air outlet 7 is arranged on the top of the shell 1, and the air outlet 7 is connected to the air outlet box 6; the filter assembly 3 includes a filter box 31 arranged in the shell 1, a filter conveyor belt 32 is arranged through the filter box 31, and two opposite side walls of the filter box 31 are respectively connected to the dust inlet 2 and the spray water tank 4; the spray plate assembly 5 includes a partition 51 horizontally arranged in the spray water tank 4, a nozzle 52 is arranged above the partition 51, and a plurality of air outlet pipes 53 are arranged in the partition 51.

[0028] An air inlet fan may be provided on the dust inlet 2 to facilitate the entry of external dust-carrying air into the dust inlet 2; the external dust-carrying air enters the filter box 31 in the filter assembly 3 through the dust inlet 2, and is filtered through the filter conveyor belt 32 (to avoid blockage caused by larger particles of dust, and also to improve the spraying effect); then enters the spray water tank 4 to be sprayed and dusted under the action of the spray plate assembly 5 (that is, after the dusty air enters the spray water tank 4, the nozzle 52 can spray clean water to spray the dust-carrying air); the air after spraying and dust removal enters the air outlet box 6 and is discharged from the air outlet 7.

[0029] Embodiment 2 Based on the first embodiment, Figure 1 to Figure 2 , Figures 4 to 6 As shown, the partition 51 divides the interior of the spray water box 4 into an upper chamber 41 and a lower chamber 42, the filter box 31 is connected to the lower chamber 42 through a horizontally arranged connecting pipe 311, the nozzle 52 is located at the top of the upper chamber 41, the upper chamber 41 and the lower chamber 42 are connected through an air outlet pipe 53, and the air outlet box 6 is connected to the side wall of the upper chamber 41 away from the filter box 31; the nozzle 52 includes a nozzle mounting plate 521, and the nozzle mounting plate 521 is arranged at the top of the upper chamber 41; a plurality of water mist nozzles 522 are provided, and the plurality of water mist nozzles 522 are arranged in an array. It is arranged on the nozzle mounting plate 521, and the water outlet of the water mist nozzle 522 faces the partition 51; the spray box is arranged outside the spray water tank 4, and the water mist nozzle 522 is connected to the spray box; the dusty air in the filter box 31 enters the lower chamber 42 through the connecting pipe 311, and then enters the upper chamber 41 through the outlet pipe 53 on the partition 51. At this time, the water mist nozzle 522 is started for spraying (the clean water in the spray box is sprayed out from the water mist nozzle 522), and the air after spraying and dust removal enters the air outlet box 6 from the upper chamber 41, and then is discharged from the air outlet 7.

[0030] A drainage pipe 43 is provided on the bottom surface of the spray water tank 4, and the drainage pipe 43 is connected to the lower chamber 42; a liquid collecting tank 8 is provided at the bottom of the shell 1, and one end of the drainage pipe 43 away from the lower chamber 42 passes through the liquid collecting tank 8; after the sprayed clean water removes dust from the air, it flows into the lower chamber 42 and flows through the drainage pipe 43 to the liquid collecting tank 8 in the shell 1 for collection.

[0031] The number of the air outlet pipes 53 is the same as the number of the water mist nozzles 522. The air outlet pipes 53 are distributed in an array on the partition 51, and the air outlet pipes 53 vertically penetrate the partition 51. The positions of the air outlet pipes 53 correspond one-to-one with the positions of the water mist nozzles 522, so that the water mist nozzles 522 and the air outlet pipes 53 can be sprayed one-to-one, so that the contact time between the clean water and the dusty air is long and the contact area is large, which is beneficial to improve the dust removal effect on the dusty air.

[0032] The air outlet pipe 53 and the water mist nozzle 522 are both hollow truncated cone structures, and the large diameter end of the air outlet pipe 53 faces the direction of the partition 51, and the small diameter end of the water mist nozzle 522 faces the direction of the nozzle mounting plate 521, which is beneficial to improve the spraying effect on dusty air.

[0033] Embodiment 3 Based on the first embodiment, Figure 2 , Figures 7 and 8 As shown, an airflow regulating roller assembly 54 is arranged in the lower chamber 42, and the airflow regulating roller assembly 54 includes an airflow box 541, which is arranged in the lower chamber 42, and the connecting pipe 311 is connected to the side wall of the airflow box 541 close to the filter box 31, and the bottom surface of the airflow box 541 is a mesh structure; a plurality of air outlet slots 542 are arranged, and the plurality of air outlet slots 542 are arranged at intervals on the top surface of the airflow box 541; the number of regulating rollers 543 is the same as the number of air outlet slots 542, and the plurality of regulating rollers 543 are arranged on the top surface of the airflow box 541; 43 are all rotatably arranged in the air flow box 541, and the position of the air outlet groove 542 corresponds to the position of the adjusting roller 543 one by one; an air storage groove 544 is arranged on the outer peripheral wall of each adjusting roller 543, and the position of the air outlet groove 542 corresponds to the position of the air storage groove 544 up and down; the adjusting rollers 543 are horizontally arranged in parallel in the air flow box 541, and the outer peripheral walls of the adjusting rollers 543 are in conflict with the openings of the air outlet grooves 542 and the inner bottom surface of the air flow box 541, and the outer peripheral walls of the two connected adjusting rollers 543 are in conflict.

[0034] According to the needs of dust removal, the intake amount of the dusty air can be adjusted, that is, each adjusting roller 543 can be rotated or stopped, so that the air storage groove 544 on the outer peripheral wall of the adjusting roller 543 can be rotated and adjusted to different positions to achieve different air intake effects: when the adjusting roller 543 is always kept in a rotating state, the dusty air in the air flow box 541 can enter the air storage groove 544, and when the air storage groove 544 is rotated to a position corresponding to the air outlet groove 542, the dusty air can enter the lower chamber 42 through the air outlet groove 542. When the dusty air enters the upper chamber 41 from the air outlet pipe 53, the water mist nozzle 522 can spray clean water mist to spray the dusty air (when there is spray water in the air storage groove 544, it can flow out as the adjusting roller 543 rotates and when the air storage groove 544 is facing the bottom surface of the air flow box 541); at the same time, when the outer peripheral wall of the adjusting roller 543 conflicts with the opening of the air outlet groove 542 and the inner bottom surface of the air flow box 541, the dusty air cannot enter the air outlet groove 542.

[0035] A plurality of motors for driving the adjusting rollers 543 to rotate may be provided on the outer wall of the air flow box 541, and each adjusting roller 543 is driven by one motor; each motor may be started at the same time to drive all the adjusting rollers 543 to rotate together, at which time the air intake is maximized; one or more of the motors may also be started individually.

[0036] The airflow box 541 (ie, the airflow regulating roller assembly 54) can also be taken out from the lower chamber 42, so that the dusty air can circulate directly without the need for flow regulation.

[0037] Embodiment 4 Based on the first embodiment, Figure 1 , Figure 3 to Figure 4 As shown, the filter conveyor belt 32 is composed of a plurality of filter soft plates 321 connected end to end in sequence, and the filter soft plates 321 are of a sieve-like structure, and the filter soft plates 321 movably penetrate the other two opposite side walls of the filter box 31; the distance between the other two opposite side walls of the filter box 31 is adapted to the width of the filter conveyor belt 32, so that when the dust-carrying air enters through the dust inlet 2 on the side wall of the filter box 31, it can be filtered under the action of the filter soft plates 321, and then enter the spray water box 4 through the side walls at the opposite ends of the dust inlet 2; when the filter soft plates 321 located in the filter box 31 have been used for a period of time, the filter soft plates 321 can be rotated again, and the unused filter soft plates 321 can be rotated into the filter box 31, thereby improving the filtering effect of the dust-carrying air and avoiding the clogging of the filter soft plates 321 (the used filter box 31 can also be cleaned and reused, thereby reducing the cost).

[0038] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A sand and gravel aggregate dust removal device, characterized in that: include: Housing (1); A dust inlet (2), the dust inlet (2) being arranged on a side wall of the housing (1); A filter assembly (3), the filter assembly (3) being arranged in the housing (1), and the dust inlet (2) being in communication with the filter assembly (3); A spray water tank (4), the spray water tank (4) being arranged in the housing (1), and the filter assembly (3) being in communication with the spray water tank (4); A spray plate assembly (5), the spray plate assembly (5) being arranged in a spray water tank (4); An air outlet box (6), the air outlet box (6) being arranged on a side wall of the spray water box (4) away from the filter assembly (3), and the air outlet box (6) being in communication with the spray water box (4); An air outlet (7), the air outlet (7) being arranged at the top of the shell (1), and the air outlet (7) being connected to the air outlet box (6); The filter assembly (3) comprises a filter box (31) arranged in the housing (1), a filter conveyor belt (32) is arranged through the filter box (31), and two opposite side walls of the filter box (31) are respectively connected to the dust inlet (2) and the spray water tank (4); The spray plate assembly (5) comprises a partition (51) arranged horizontally in the spray water tank (4), a spray head (52) is arranged above the partition (51), and a plurality of air outlet pipes (53) are arranged in the partition (51).

2. A sand and gravel aggregate dust removal device as claimed in claim 1, characterized in that: The partition (51) divides the interior of the spray water box (4) into an upper chamber (41) and a lower chamber (42); the filter box (31) is connected to the lower chamber (42) via a horizontally arranged connecting pipe (311); the spray head (52) is located at the top of the upper chamber (41); the upper chamber (41) and the lower chamber (42) are connected via an air outlet pipe (53); and the air outlet box (6) is connected to a side wall of the upper chamber (41) away from the filter box (31).

3. A sand and gravel aggregate dust removal device as claimed in claim 2, characterized in that: The nozzle (52) comprises: A nozzle mounting plate (521), the nozzle mounting plate (521) being arranged at the top of the upper chamber (41); A water mist nozzle (522), wherein a plurality of the water mist nozzles (522) are provided, and the plurality of water mist nozzles (522) are distributed in an array on the nozzle mounting plate (521), and the water outlets of the water mist nozzles (522) face toward the partition (51); A spray box is arranged outside the spray water tank (4), and the water mist nozzle (522) is connected to the spray box.

4. A sand and gravel aggregate dust removal device as claimed in claim 3, characterized in that: The number of the air outlet pipes (53) is the same as the number of the water mist nozzles (522); the air outlet pipes (53) are distributed on the partition (51) in an array shape, and the air outlet pipes (53) vertically penetrate the partition (51); the positions of the air outlet pipes (53) correspond one-to-one to the positions of the water mist nozzles (522).

5. The sand and gravel aggregate dust removal device according to claim 1, characterized in that: An airflow regulating roller assembly (54) is disposed in the lower chamber (42), and the airflow regulating roller assembly (54) comprises: An airflow box (541), the airflow box (541) being arranged in the lower chamber (42), and the connecting pipe (311) being connected to a side wall of the airflow box (541) close to the filter box (31), and the bottom surface of the airflow box (541) being a screen-like structure; An air outlet groove (542), wherein a plurality of air outlet grooves (542) are provided, and the plurality of air outlet grooves (542) are arranged at intervals on the top surface of the airflow box (541); Adjusting rollers (543), the number of the adjusting rollers (543) being the same as the number of the air outlet slots (542), the plurality of adjusting rollers (543) being rotatably disposed in the air flow box (541), and the positions of the air outlet slots (542) corresponding to the positions of the adjusting rollers (543); An air storage groove (544) is provided on the outer peripheral wall of each adjusting roller (543), and the position of the air outlet groove (542) corresponds to the position of the air storage groove (544) in the upper and lower directions.

6. A sand and gravel aggregate dust removal device as claimed in claim 5, characterized in that: The adjusting rollers (543) are arranged horizontally in parallel in the airflow box (541), and the outer peripheral walls of the adjusting rollers (543) are in contact with the openings of the air outlet grooves (542) and the inner bottom surface of the airflow box (541), and the outer peripheral walls of the two connected adjusting rollers (543) are in contact with each other.

7. The sand and gravel aggregate dust removal device according to claim 1, characterized in that: The filter conveyor belt (32) is composed of a plurality of filter soft plates (321) connected in sequence end to end. The filter soft plates (321) are sieve-like structures. The filter soft plates (321) movably penetrate the other two opposite side walls of the filter box (31).

8. The sand and gravel aggregate dust removal device according to claim 4, characterized in that: A drainage pipe (43) is provided on the bottom surface of the spray water tank (4), and the drainage pipe (43) is connected to the lower chamber (42).

9. A sand and gravel aggregate dust removal device as claimed in claim 8, characterized in that: A liquid collecting box (8) is provided at the bottom of the shell (1), and one end of the liquid discharge pipe (43) away from the lower chamber (42) passes through the liquid collecting box (8).

10. The sand and gravel aggregate dust removal device according to claim 4, characterized in that: The air outlet pipe (53) and the water mist nozzle (522) are both hollow truncated cone structures, and the large diameter end of the air outlet pipe (53) faces the direction of the partition plate (51), while the small diameter end of the water mist nozzle (522) faces the direction of the nozzle mounting plate (521).

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