Dust collecting device on dry powder conveying line

Abstract

The utility model discloses a dust collecting device on a dry powder conveying line, which comprises a conveying support, a conveying belt is assembled on the conveying support, the conveying belt is a belt conveyor, a protective cover is covered on the upper portion of the conveying belt, and a dust collecting structure is arranged on the protective cover along the advancing direction of the conveying belt. The utility model relates to the technical field of dry powder dust collection, in particular to a dust collection device on a dry powder conveying line, a belt conveyor is adopted for the dry powder conveying line, a rotating groove is matched with an electrostatic adsorption roller, electrostatic adsorption dust enters a protective cover and a dust collection pipe in a staggered mode, and powder is cleaned through a negative pressure suction device arranged on the dust collection pipe in cooperation with sweeping bristles. Furthermore, sealing blocks are arranged at the positions of the electrostatic adsorption roller and the rotating groove, so that the electrostatic adsorption roller and the rotating groove are sealed in a staggered manner, and the problem that normal conveying of the powder is affected due to excessive adsorption of the dry powder is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of dry powder dust collection, in particular to a dust collection device on a dry powder transportation line. Background Art

[0002] In the use of modern dry powder transportation lines, dry powder will produce dust dispersion and suspension due to mechanical vibration, transportation height and other reasons. Therefore, it is easy to adhere to the transportation equipment or disperse in the surrounding air during transportation, causing environmental pollution, difficulty in cleaning and material waste.

[0003] At present, the treatment method for these dusts is often centralized collection and treatment. The current collection and treatment method mainly adopts the air flow diversion method. This air flow diversion method often has the air flow direction perpendicular to the conveying direction and directly corresponds to the conveyed powder. Although the powder can be adsorbed during the powder transportation, due to the large air flow adsorption force and the diversion direction facing the powder, it is very easy to affect the normal transportation of the powder, resulting in the powder that can be transported normally being adsorbed into the dust collecting device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a dust collecting device suitable for a dry powder transportation line, which can avoid excessive adsorption of dry powder and the problem of affecting the normal transportation of powder.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a dust collecting device on a dry powder transportation line, comprising a conveying bracket, a conveying belt is mounted on the conveying bracket, the conveying belt is a belt conveyor, a protective cover is provided on the upper cover of the conveying belt, and a dust collecting structure is provided on the protective cover along the travel direction of the conveying belt;

[0006] The dust collecting structure comprises a dust collecting pipe, which is arranged on the top of the protective cover, and a negative pressure dust collecting channel is coaxially arranged in the dust collecting pipe;

[0007] The end of the negative pressure dust collection channel is connected to a negative pressure suction device;

[0008] A rotating groove is provided at the bottom of the negative pressure dust collecting channel, an electrostatic adsorption roller is provided on the rotating groove, the electrostatic adsorption roller matches the rotating groove, a plurality of closed blocks are staggered and extended on the electrostatic adsorption roller, and the diameter of the plurality of closed blocks matches the rotating groove; one end of the electrostatic adsorption roller passes through the end of the protective cover and is covered with an electrostatic generating sleeve;

[0009] The end of the electrostatic adsorption roller is connected to a driving rod, and the driving rod is connected to a driving assembly, and the driving assembly is composed of a driving motor and a reduction device;

[0010] A cleaning brush is provided on one side of the rotating tank, and the cleaning brush is in contact with the electrostatic adsorption roller.

[0011] Preferably, the rotation groove is arranged on the top of the protective cover, and the rotation groove is a groove of a columnar structure arranged along the axis of the protective cover.

[0012] Preferably, the radial cross section of the rotating groove is an arc-less groove, and the diameter of the electrostatic adsorption roller is smaller than the diameter of the rotating groove.

[0013] Preferably, the protective cover is a hollow shell with a rectangular structure, the dust collecting pipe is a plate with a semi-oblong structure in cross section, and the dust collecting pipe is connected to the top of the protective cover by a plurality of pairs of screws.

[0014] Preferably, the negative pressure suction device comprises a vacuum connector, to which a vacuum suction tube is connected, and one side of the vacuum suction tube is connected to a vacuum pump box.

[0015] Preferably, the vacuum suction tube is threadedly connected to the vacuum connector.

[0016] The beneficial effects of the utility model are as follows: the dust collecting device on the dry powder transportation line adopts a belt conveyor on the dry powder transportation line, and the rotating trough is used in conjunction with the electrostatic adsorption roller, so that the electrostatically adsorbed dust enters the protective cover and the dust collecting pipe in an alternating manner, and the negative pressure suction device arranged on the dust collecting pipe is used in conjunction with the cleaning brush to clean the powder and discharge the material, and then a closing block is arranged at the position of the electrostatic adsorption roller and the rotating trough, so that the electrostatic adsorption roller and the rotating trough are alternately closed, thereby avoiding excessive adsorption of dry powder and the problem of affecting the normal transportation of the powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is the main sectional view of the utility model.

[0019] Figure 3 It is a side sectional view of the utility model.

[0020] In the figure: 1. conveying bracket; 2. conveyor belt; 3. protective cover; 4. dust collecting pipe; 5. negative pressure dust collecting channel; 6. negative pressure suction device; 7. rotating trough; 8. electrostatic adsorption roller; 9. electrostatic generating sleeve; 10. driving rod; 11 driving motor; 12. reduction device; 13. cleaning brush; 14. closing block; 601. vacuum connector; 602. vacuum suction pipe; 603. vacuum pump box. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-3 As shown, a dust collecting device on a dry powder transportation line is provided, wherein a conveying bracket 1 supports a conveyor belt 2, and the conveyor belt 2 is a belt conveyor used for linear material transportation. A protective cover 3 is provided on the upper part of the conveyor belt 2 to cover the conveyor belt 2, so that the dry powder can be effectively protected and shielded during material transportation, thereby preventing the powder from being affected by the external environment and causing the problem of powder leakage. A dust collecting structure is provided on the protective cover 3 along the traveling direction of the conveyor belt 2, and the scattered dust in the protective cover 3 is collected by the dust collecting structure.

[0023] The dust collecting structure mainly comprises a dust collecting pipe 4 , which is arranged on the top of the protective cover 3 , and a negative pressure dust collecting channel 5 is coaxially arranged in the dust collecting pipe 4 .

[0024] In the specific implementation process, the dust collecting pipe 4 is used as the dust circulation channel during the dust collection process. The dust collecting pipe 4 is arranged at the top of the protective cover 3. The protective cover 3 is connected with the dust collecting pipe 4. A negative pressure suction device 6 connected to the end of the negative pressure dust collecting channel 5 is used to provide negative air pressure, so that air diversion is formed in the dust collecting pipe 4, and the dust in the protective cover 3 is collected and diverted.

[0025] In order to solve the problem of excessive adsorption of materials under negative pressure, which affects the normal transportation of dust, the present application uses electrostatic adsorption to collect dust. Specifically, a rotating groove 7 is provided at the bottom of the negative pressure dust collecting channel 5, and an electrostatic adsorption roller 8 is provided on the rotating groove 7. The electrostatic adsorption roller 8 matches the rotating groove 7, and a plurality of closed blocks 14 are staggered and extended on the electrostatic adsorption roller 8. The diameter of the plurality of closed blocks 14 matches the diameter of the rotating groove 7. One end of the electrostatic adsorption roller 8 passes through the end of the protective cover 3 and is covered with an electrostatic generating sleeve 9.

[0026] In the specific implementation process, through the coaxial configuration of the rotating groove 7 and the electrostatic adsorption roller 8, the rotating groove 7 isolates the upper and lower ends of the electrostatic adsorption roller 8 in the space on both sides of the protective cover 3 and the dust collecting pipe 4 respectively, and uses the electrostatic generating sleeve 9 to generate static electricity for the electrostatic adsorption roller 8, so that the electrostatic adsorption sleeve and the suspended dust are adsorbed onto the electrostatic adsorption roller; the closing block 14 arranged on the electrostatic adsorption roller 8 is meshed with the inner diameter of the rotating groove 7, so that the closing block 14 can partially stagger and close the rotating groove 7, so as to prevent the negative pressure air from entering the adsorption roller too quickly and affecting the normal dust transportation; a cleaning bristle 13 is arranged on one side of the rotating groove 7, and the cleaning bristle 13 is in contact with the electrostatic adsorption roller 8, and is used to clean the dust adsorbed on the electrostatic adsorption roller 8. Under the action of the cleaning bristle 13, the dust is separated from the electrostatic adsorption roller 8, so that the dust is discharged in the negative pressure suction device 6 along the negative pressure dust collecting channel 5.

[0027] The electrostatic adsorption roller 8 is electrically driven, and a driving rod 10 is connected to the end of the electrostatic adsorption roller 8. A driving assembly is connected to the driving rod 10. The driving assembly consists of a driving motor 11 and a reduction device 12. The reduction device 12 is driven to rotate by the driving motor 11, so that the reduction device 12 decelerates the driving rod 10, drives the electrostatic adsorption roller 8 to rotate, and makes different positions of the electrostatic adsorption roller 8 appear alternately in the protective cover 3 and the dust collecting pipe 4.

[0028] Furthermore, the rotation groove 7 is arranged on the top of the protective cover 3 , and the rotation groove 7 is a groove of a columnar structure arranged along the axis of the protective cover 3 .

[0029] Furthermore, the radial cross section of the rotating groove 7 is an arc-less groove, the diameter of the electrostatic adsorption roller 8 is smaller than the diameter of the rotating groove 7, and the closing device composed of the electrostatic adsorption roller 8 and the closing block 14 staggeredly closes the inner wall of the rotating groove 7.

[0030] Furthermore, the protective cover 3 is a hollow shell with a rectangular structure, the dust collecting pipe 4 is a plate with a semi-circular cross-section, and the dust collecting pipe 4 is connected to the top of the protective cover 3 by a plurality of pairs of screws for easy disassembly and maintenance.

[0031] Furthermore, the negative pressure suction device 6 includes a vacuum connector 601 , a vacuum suction tube 602 is connected to the vacuum connector 601 , and a vacuum pump box 603 is connected to one side of the vacuum suction tube 602 .

[0032] In the specific implementation process, the vacuum suction tube 602 is threadedly connected to the vacuum connector 601 to connect the vacuum pump box 603 to the vacuum connector 601, so that the vacuum pump box 603 is under negative pressure. The vacuum suction tube 602 is used to make the dust collecting pipe 4 under negative pressure. Under the negative pressure state, the dust is separated from the adsorption roller. The vacuum pump box 603 is a vacuum loader structure. After the dust is adsorbed, the powder is discharged through the dust channel.

[0033] The dust collecting device on the dry powder transportation line adopts a belt conveyor for the dry powder transportation line, and utilizes the rotating trough 7 to cooperate with the electrostatic adsorption roller 8, so that the electrostatically adsorbed dust enters the protective cover 3 and the dust collecting pipe 4 in an alternating manner, and the powder is cleaned by the negative pressure suction device 6 arranged on the dust collecting pipe 4 in cooperation with the cleaning brush 13, and the material is discharged, and a closing block 14 is arranged at the position of the electrostatic adsorption roller 8 and the rotating trough 7, so that the electrostatic adsorption roller 8 and the rotating trough 7 are staggered and closed, so as to avoid excessive adsorption of dry powder and the problem of affecting the normal transportation of the powder.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust collecting device on a dry powder transportation line, comprising a conveying bracket (1), a conveying belt (2) being mounted on the conveying bracket (1), the conveying belt (2) being a belt conveyor, a protective cover (3) being arranged on the upper part of the conveying belt (2), characterized in that: A dust collecting structure is provided on the protective cover (3) along the traveling direction of the conveyor belt (2); The dust collecting structure comprises a dust collecting pipe (4), the dust collecting pipe (4) is arranged on the top of the protective cover (3), and a negative pressure dust collecting channel (5) is coaxially arranged in the dust collecting pipe (4); The end of the negative pressure dust collection channel (5) is connected to a negative pressure suction device (6); A rotating groove (7) is arranged at the bottom of the negative pressure dust collecting passage (5), an electrostatic adsorption roller (8) is arranged on the rotating groove (7), the electrostatic adsorption roller (8) matches the rotating groove (7), a plurality of sealing blocks (14) are staggeredly extended on the electrostatic adsorption roller (8), the diameters of the plurality of sealing blocks (14) match the rotating groove (7), one end of the electrostatic adsorption roller (8) passes through the end of the protective cover (3) and is sleeved with an electrostatic generating sleeve (9); The end of the electrostatic adsorption roller (8) is connected to a driving rod (10), and the driving rod (10) is connected to a driving assembly, and the driving assembly is composed of a driving motor (11) and a speed reduction device (12); Cleaning bristles (13) are provided on one side of the rotating groove (7), and the cleaning bristles (13) are in contact with the electrostatic adsorption roller (8).

2. The dust collecting device on the dry powder transportation line according to claim 1, characterized in that: The rotation groove (7) is arranged at the top of the protective cover (3), and the rotation groove (7) is a groove of a columnar structure arranged along the axis of the protective cover (3).

3. The dust collecting device on the dry powder transportation line according to claim 2, characterized in that: The radial cross section of the rotating groove (7) is an arc-less groove, and the diameter of the electrostatic adsorption roller (8) is smaller than the diameter of the rotating groove (7).

4. The dust collecting device on the dry powder transportation line according to claim 3, characterized in that: The protective cover (3) is a hollow shell with a rectangular structure, the dust collecting pipe (4) is a plate with a semi-oblong structure in cross section, and the dust collecting pipe (4) is connected to the top of the protective cover (3) by a plurality of pairs of screws.

5. The dust collecting device on the dry powder transportation line according to claim 4, characterized in that: The negative pressure suction device (6) comprises a vacuum connection head (601), a vacuum suction pipe (602) is connected to the vacuum connection head (601), and one side of the vacuum suction pipe (602) is connected to a vacuum pump box (603).

6. The dust collecting device on the dry powder transportation line according to claim 5, characterized in that: The vacuum suction tube (602) is threadedly connected to the vacuum connector (601).

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