Dust removal and ventilation device for rice production line

Abstract

The utility model relates to the technical field of dust removal equipment for rice production, in particular to a dust removal and ventilation device for a rice production line, which is mounted above a belt conveyor and comprises a dust removal box, an exhaust fan, an air inlet structure, a net rack, a driving device and a spray head. The exhaust fan is used for exhausting air in the dust removal box; the air inlet structure is used for communicating the interior of the dust removal box with the external environment; the net rack is arranged in the dust removal box and is provided with at least two dust removal areas with net structures; the driving device is used for driving the net rack to move, so that any dust removal area covers the air inlet structure; and the spray head is configured to directly face the other dust removal area when one dust removal area covers the air inlet structure. The driving device drives the net rack to move, the dust removal areas on the air inlet structure are switched, and the nozzles are used for spraying water to wash the dust removal areas which do not cover the air inlet structure, so that dust attached to the dust removal areas can be removed, blockage is prevented, and the dust removal effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal equipment for rice production, in particular to a dust removal and ventilation device for a rice production line. Background Art

[0002] In the mass production of rice, the production line usually includes multiple stages, among which conveyors are one of the most commonly used equipment for transferring rice between different processes. However, during the conveying process, a certain amount of dust will be generated due to the friction and collision of rice. This dust not only affects the cleanliness of the production environment, but also may pose a threat to the health of operators, so effective measures need to be taken to control and reduce dust.

[0003] In the existing dust removal device of the rice production line, such as the technical solution disclosed in the patent with application number CN202321449872.7, a suction fan is set to attract and collect the dust generated on the rice production line. The dust is first intercepted by the dust-proof net at the front end of the suction fan, and then the air is discharged through the conveying pipe, and the intercepted dust is automatically removed to the collection box below, so as to achieve the purpose of reducing dust pollution in the workshop. Although the above technical solution can solve the dust problem in the workshop to a certain extent, it is found in actual application that although the reciprocating motion of the cleaning brush can remove part of the dust on the surface of the dust-proof net, it also has certain limitations. Specifically, the movement of the cleaning brush may squeeze part of the dust into the mesh of the dust-proof net, or even push the dust through the dust-proof net to its inner side, which not only reduces the dust removal efficiency, but also may cause the dust-proof net to be blocked. In view of the above problems, the utility model proposes a dust removal and ventilation device for a rice production line. Utility Model Content

[0004] The utility model aims to provide a dust removal and ventilation device for a rice production line, so as to solve the problems raised in the above-mentioned background technology.

[0005] The utility model is realized by the following technical solutions:

[0006] A dust removal and ventilation device for a rice production line is installed above a belt conveyor, and comprises a dust removal box, an exhaust fan, an air intake structure, a grid, a driving device and a nozzle, wherein the dust removal box is a closed structure; the exhaust fan is used to extract the air in the dust removal box; the air intake structure is used to connect the inside of the dust removal box with the external environment; the grid is arranged in the dust removal box and has at least two dust removal areas with a mesh structure; the driving device is used to drive the grid to move so that any one of the dust removal areas covers the air intake structure; the nozzle is constructed to be arranged facing another dust removal area when one of the dust removal areas covers the air intake structure.

[0007] Optionally, the driving device includes a motor and an electric push rod, the output shaft of the motor is fixedly connected to the grid, the housing of the electric push rod is fixed on the dust removal box, and the push rod of the electric push rod is fixedly connected to the housing of the motor.

[0008] Optionally, a water tank with an upper opening is placed in the dust removal box below the nozzle, and the opening of the water tank is covered by the other dust removal area when one of the dust removal areas covers the air intake structure.

[0009] Optionally, a water supply device is arranged between the water trough and the nozzle, and the water supply device includes a water pump, a first water supply pipe and a second water supply pipe. The water inlet end of the water pump is connected to the water trough through the first water supply pipe, and the discharge end of the water pump is connected to the nozzle through the second water supply pipe.

[0010] Optionally, a filter screen is provided in the water tank, the filter screen divides the interior of the water tank into an upper cavity and a lower cavity, and the second water pipe is connected to the lower cavity.

[0011] Optionally, the air intake structure includes a collecting pipe and an air intake pipe which are interconnected. The collecting pipe is arranged to pass through the dust removal box, and one end of the collecting pipe located in the dust removal box is opened. The air intake pipe spans above the belt of the belt conveyor, and the air intake pipe is provided with a plurality of air intake holes spaced apart along its length.

[0012] Compared with the prior art, the utility model provides a dust removal and ventilation device for a rice production line, which has the following beneficial effects:

[0013] The utility model drives the grid frame to move by a driving device, can switch the dust removal area on the air intake structure, and use the nozzle to spray water to wash the dust removal area not covered on the air intake structure, which can effectively remove the dust attached to the dust removal area, prevent blockage, and ensure the dust removal effect;

[0014] When one of the dust removal areas of the utility model is placed on the air intake structure to intercept dust, the other dust removal area is placed on the opening at the top of the water tank. At this time, water is sprayed toward the dust removal area placed on the water tank through the nozzle, and the dust on the dust removal area can be flushed into the water tank, thus realizing the collection of dust;

[0015] The utility model provides a water delivery device including a water pump, a first water delivery pipe and a second water delivery pipe. The water pump draws water from the water tank to the nozzle, and the nozzle sprays water into the water tank, thereby forming a water cycle and avoiding wasting water resources during the dust removal process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model in the installation and use state;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is a schematic structural diagram of one axis side of the grid and driving device of the utility model;

[0019] Figure 4 This is another axial structural schematic diagram of the grid and driving device of the utility model.

[0020] In the figure: 1. belt conveyor; 2. exhaust fan; 3. dust removal box; 30. box body; 31. box cover; 4. air intake structure; 40. collecting pipe; 41. air intake pipe; 410. air intake hole; 5. grid; 50. dust removal area; 6. motor; 7. electric push rod; 8. nozzle; 9. water pump; 10. first water pipe; 11. second water pipe; 12. water tank; 120. upper cavity; 121. lower cavity; 13. filter; 14. bracket; 15. sealing ring. 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] Example: See Figures 1 to 4 According to an embodiment of the utility model, a dust removal and ventilation device for a rice production line is provided, which is installed above a belt conveyor 1 for conveying rice, and includes a dust removal box 3, an exhaust fan 2, an air intake structure 4, a grid 5, a driving device and a nozzle 8, wherein the dust removal box 3 is a closed structure, and the dust removal box 3 includes a box body 30 with an opening at the top and a box cover 31 covering the opening position at the top of the box body 30, so that the subsequent maintenance of the internal structure of the box body 30 can be facilitated; the exhaust fan 2 is used to extract the air in the dust removal box 3, and specifically, the exhaust fan 2 is installed on the top of the box cover 31. The air inlet end of the exhaust fan 2 is connected to the inside of the dust removal box 3, and the exhaust end of the exhaust fan 2 is placed in the external environment; the air inlet structure 4 is used to connect the inside of the dust removal box 3 with the external environment; the grid 5 is arranged in the dust removal box 3 and has at least two dust removal areas 50 with a mesh structure. In this example, there are two dust removal areas 50, and the two dust removal areas 50 are circular metal meshes; the driving device is used to drive the grid 5 to move so that any dust removal area 50 covers the air inlet structure 4; the nozzle 8 is constructed to be arranged opposite to the other dust removal area 50 when one of the dust removal areas 50 covers the air inlet structure 4.

[0023] In the dust removal and ventilation device for a rice production line adopting the above-mentioned structure, the dust removal area 50 on the grid 5 is used to filter the air entering the dust removal box 3 from the air intake structure 4, and the dust in the air is intercepted by the dust removal area 50 covered on the air intake structure 4. The grid 5 is driven to move by the driving device, and the dust removal area 50 on the air intake structure 4 can be switched, and the dust removal area 50 not covered on the air intake structure 4 can be sprayed with water by the nozzle 8, so that the dust attached to the dust removal area 50 can be effectively removed to prevent blockage and ensure the dust removal effect.

[0024] In this exemplary embodiment, the driving device includes a motor 6 and an electric push rod 7, the output shaft of the motor 6 is fixedly connected to the grid 5, the housing of the electric push rod 7 is fixed to the dust removal box 3, and the push rod of the electric push rod 7 is fixedly connected to the housing of the motor 6. The motor 6 is used to drive the grid 5 to rotate to change the horizontal position of the dust removal area 50 on the grid 5, and the electric push rod 7 is used to drive the motor 6 and the grid 5 to move up and down, so that the dust removal area 50 of the grid 5 can be more closely attached to the air intake structure 4. Of course, as long as the grid 5 can be driven to move and any dust removal area 50 can be covered on the air intake structure 4, there is no particular limitation on the specific structural form of the driving device.

[0025] In this exemplary embodiment, a water tank 12 with an upper opening is placed in the dust removal box 3 below the nozzle 8, and the opening of the water tank 12 is covered by the other dust removal area 50 when one of the dust removal areas 50 covers the air intake structure 4. That is, when one of the dust removal areas 50 is placed on the air intake structure 4 to intercept dust, the other dust removal area 50 is placed on the opening at the top of the water tank 12. At this time, the nozzle 8 sprays water toward the dust removal area 50 placed on the water tank 12, so that the dust on the dust removal area 50 can be flushed into the water tank 12, thereby realizing the collection of dust.

[0026] In this exemplary embodiment, a water delivery device is provided between the water tank 12 and the nozzle 8, and the water delivery device includes a water pump 9, a first water delivery pipe 10, and a second water delivery pipe 11. The water inlet end of the water pump 9 is connected to the water tank 12 through the first water delivery pipe 10, and the water discharge end of the water pump 9 is connected to the nozzle 8 through the second water delivery pipe 11. In specific implementation, the water pump 9 pumps water in the water tank 12 to the nozzle 8, and the nozzle 8 sprays water into the water tank 12, thereby forming a water cycle to avoid wasting water resources during the dust removal process.

[0027] In this exemplary embodiment, a filter screen 13 is provided in the water tank 12, and the filter screen 13 divides the interior of the water tank 12 into an upper cavity 120 and a lower cavity 121, and the second water delivery pipe 11 is connected to the lower cavity 121. The filter screen 13 can intercept dust mixed in the water in the upper cavity 120, so that the water in the lower cavity 121 is relatively clean, which can effectively avoid clogging of the nozzle 8.

[0028] In this exemplary embodiment, the air intake structure 4 includes a collection pipe 40 and an air intake pipe 41 that are interconnected. The collection pipe 40 is arranged to penetrate the dust removal box 3, and one end of the collection pipe 40 located in the dust removal box 3 is opened. The dust removal area 50 of the grid 5 covers the opening of the collection pipe 40. The air intake pipe 41 spans the belt of the belt conveyor 1. The air intake pipe 41 is provided with a plurality of air intake holes 410 spaced along its length. In this way, the dust generated by the belt conveyor 1 conveying rice can be sucked in by the air intake holes 410 and enter the dust removal box 3 along the air intake pipe 41 and the collection pipe 40. The plurality of air intake holes 410 can ensure that the air above the belt conveyor 1 is evenly sucked in, which helps to improve the dust removal effect. In order to improve the dust removal effect, a sealing ring 15 arranged around the dust removal area 50 is provided at the bottom of the grid 5. When the dust removal area 50 covers the collection pipe 40, the sealing ring 15 can play a sealing role to ensure the dust removal effect.

[0029] Working principle: The dust removal box 3 is fixedly mounted on the frame of the belt conveyor 1 through the bracket 14. When the belt conveyor 1 transports rice, the exhaust fan 2 is started, and negative air pressure is generated at the air inlet 410 of the air inlet pipe 41. The air containing dust enters the dust removal box 3 through the air inlet structure 4. At this time, the dust in the air will be intercepted by the dust removal area 50 covered on the air inlet structure 4, thereby achieving the purpose of dust removal. When there is a lot of dust accumulated on the dust removal area 50, the grid 5 can be driven to move by the driving device, and another dust removal area 50 can be moved to the air inlet structure 4, and the dust removal area 50 blocked by dust can be moved to the bottom of the nozzle 8, and then the nozzle 8 is used to spray water to wash the dust removal area 50 to remove the dust attached to the dust removal area 50 for standby use.

[0030] 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 removal and ventilation device for a rice production line, installed above a belt conveyor (1), characterized in that: include: A sealed dust removal box (3); An exhaust fan (2) for extracting air from the dust removal box (3); An air intake structure (4) for connecting the interior of the dust removal box (3) with the external environment; A mesh frame (5) disposed in the dust removal box (3) and having at least two dust removal areas (50) with a mesh structure; A driving device, used for driving the grid frame (5) to move so that any one of the dust removal areas (50) covers the air intake structure (4); and The nozzle (8) is constructed so as to be arranged facing the other dust removal area (50) when one of the dust removal areas (50) covers the air intake structure (4).

2. The dust removal and ventilation device for a rice production line according to claim 1, characterized in that: The driving device comprises a motor (6) and an electric push rod (7); the output shaft of the motor (6) is fixedly connected to the grid frame (5); the housing of the electric push rod (7) is fixed to the dust removal box (3); and the push rod of the electric push rod (7) is fixedly connected to the housing of the motor (6).

3. The dust removal and ventilation device for a rice production line according to claim 1, characterized in that: A water tank (12) with an upper opening is placed in the dust removal box (3) below the nozzle (8), and the opening of the water tank (12) is covered by another dust removal area (50) when one of the dust removal areas (50) covers the air intake structure (4).

4. The dust removal and ventilation device for a rice production line according to claim 3 is characterized in that: A water delivery device is provided between the water tank (12) and the nozzle (8), the water delivery device comprising a water pump (9), a first water delivery pipe (10) and a second water delivery pipe (11); a water inlet end of the water pump (9) is connected to the water tank (12) via the first water delivery pipe (10), and a water outlet end of the water pump (9) is connected to the nozzle (8) via the second water delivery pipe (11).

5. The dust removal and ventilation device for a rice production line according to claim 4, characterized in that: A filter screen (13) is arranged in the water tank (12), and the filter screen (13) divides the interior of the water tank (12) into an upper cavity (120) and a lower cavity (121), and the second water delivery pipe (11) is in communication with the lower cavity (121).

6. The dust removal and ventilation device for a rice production line according to claim 1, characterized in that: The air intake structure (4) comprises a collecting pipe (40) and an air intake pipe (41) which are interconnected. The collecting pipe (40) is arranged to penetrate the dust removal box (3), and one end of the collecting pipe (40) located inside the dust removal box (3) is arranged to be open. The air intake pipe (41) spans above the belt of the belt conveyor (1), and the air intake pipe (41) is provided with a plurality of air intake holes (410) spaced apart along its length direction.

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