Dust collection device for grain discharging pit
By designing a dust suction device for the grain discharge pit, using a fan to absorb dust and using water to reduce dust in the treatment box, the problems of small dust suction coverage area and untreated dust in the existing device are solved, and efficient dust suction and environmentally friendly dust reduction effects are achieved.
Patent Information
- Application Number
- CN202422444690.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-10
AI Technical Summary
The existing dust collection device for the grain feeding pit has a small dust collection coverage area, and the dust still floats above the feeding pit. Moreover, the adsorbed dust is directly discharged into the air without being treated, which is not conducive to environmental protection.
A dust collection device for a grain discharge pit was designed, including a dust collection hood, a fan, a dust exhaust pipe, a processing box, a water inlet pipe, a nozzle, a mesh plate, an isolation net, a water collection box and a drain pipe. After the fan absorbs the dust, a water pump is used to spray water into the isolation net to reduce the dust, and the wastewater after the dust reduction is collected to achieve dust reprocessing.
It effectively covers the top of the discharge pit to prevent dust from spreading, and reduces dust through water treatment, achieving efficient dust collection and dust reprocessing, and improving environmental protection effects.
Smart Images

Figure CN223328639U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grain processing equipment, in particular to a dust suction device for a grain feeding pit. Background Art
[0002] During the process of grain production and storage, vehicles are often needed to transport the grain and then unload it into a storage pit. During unloading, the grain collides with the storage pit when it is unloaded from the truck compartment, and the dust and powder on the grain move violently, forming dust.
[0003] In the prior art, for example, patent publication number CN209177632U discloses an efficient grain feeding pit dust suction device, comprising a feeding pit, wherein a grating plate is fixedly provided on the upper surface of the feeding pit, a dust shield is provided on the grating plate, and the dust shield is composed of a vertical baffle, an arc-shaped baffle, and a side baffle. An arc-shaped baffle is welded to the vertical baffle, and the inner surface of the arc-shaped baffle is arc-shaped toward the center of the feeding pit. Side baffles are welded to the sides of the vertical baffle and the arc-shaped baffle. The vertical baffle, the arc-shaped baffle, and the side baffles form a dust shield cavity. Dust suction ports are provided on the vertical baffle and the arc-shaped baffle. A dust suction device is connected to the side of the vertical baffle away from the feeding pit, and a dust suction device is connected to the outer surface of the arc-shaped baffle. The utility model provides an environmentally friendly feeding pit dust suction device that has good dust blocking and dust suction effects, is efficient, and can roughly separate impurities.
[0004] However, the existing dust collection device has a small dust collection coverage area when dusting, resulting in a large amount of dust still floating above the material pit. At the same time, the existing dust collection device absorbs the dust into the inside of the pipe and then discharges it into the air, which is not conducive to environmental protection. Therefore, the above problems need to be improved. Utility Model Content
[0005] The utility model aims to provide a dust suction device for a grain feeding pit, which has good dust suction effect and can reprocess the dust.
[0006] The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: a dust suction device for a grain discharge pit, comprising a dust suction hood, a fan frame is fixedly installed inside the top of the dust suction hood, a fan is arranged inside the fan frame, a dust exhaust pipe is arranged on the top of the dust suction hood, the middle part of the dust exhaust pipe is fixedly connected to a treatment box, the top of the treatment box is fixedly connected to a water inlet pipe, the middle part of the water inlet pipe is fixedly installed with a water pump, one end of the water inlet pipe is fixedly connected to a nozzle, slots are provided on both sides of the inner wall of the treatment box, a mesh plate is clamped inside the slot, an isolation net is fixedly connected to the inside of the mesh plate, the bottom of the treatment box is fixedly connected to a water collecting box, the inside of the water collecting box is fixedly connected to a drain pipe, and a valve is arranged inside the drain pipe.
[0007] The dust collector is then drawn into the dust purifier through the dust collecting box, and the dust collector is then drawn into the dust collecting box by the dust collecting box to collect the dust.
[0008] The utility model is further configured as follows: columns are fixedly connected to both sides of the bottom of the dust hood, connecting plates are overlapped on the outside of the columns, and the internal threads of the connecting plates are connected to the first bolts.
[0009] By adopting the above technical solution, the connecting plate is overlapped on the outside of the column, and the connecting plate is fixed to the outside of the column by the first bolt.
[0010] The present invention is further configured as follows: the number of the connecting plates is four, and the four connecting plates form a group of two, and a dustproof net is fixedly connected to the interior of each group of connecting plates.
[0011] By adopting the above technical solution, the dustproof net is distributed inside each set of connecting plates, the dust hood covers the dust on the top of the discharge pit, and the dustproof net blocks the left and right sides of the discharge pit, thereby preventing the dust from spreading and improving the dustproof effect.
[0012] The present invention is further configured as follows: the number of the columns is four, and the four columns are distributed in the form of a rectangular array.
[0013] By adopting the above technical solution, four columns are distributed at the four corners of the bottom of the dust hood, and the dust hood is supported by the four columns.
[0014] The present invention is further configured as follows: the bottoms of the four upright posts are fixedly connected with positioning blocks, and the internal threads of the positioning blocks are connected with second bolts.
[0015] By adopting the above technical solution, the second bolt is threadedly connected to the interior of the positioning block, so that the second bolt extends into the base surface, thereby fixing the column on the base surface.
[0016] The present invention is further configured as follows: a flange is provided between the dust exhaust duct and the dust collection hood, and the dust exhaust duct and the dust collection hood are movably connected via the flange.
[0017] By adopting the above technical solution, the dust exhaust duct and the dust collection hood are fixed through the flange, and the dust exhaust duct and the dust collection hood can be disassembled.
[0018] The utility model is further configured as follows: a lifting ring is overlapped on the outside of the dust exhaust pipe, and a third bolt is connected to the inner thread of the lifting ring.
[0019] By adopting the above technical solution, the lifting ring is overlapped on the outside of the dust exhaust duct, thereby supporting the dust exhaust duct, and the third bolt is threadedly connected to the inside of the lifting ring, so that the third bolt extends to the inside of the ceiling, thereby fixing the lifting ring on the ceiling.
[0020] The utility model is further configured as follows: the number of the lifting rings is two, and cotton pads are fixedly connected to the inside of the two lifting rings.
[0021] By adopting the above technical solution, the cotton pad protects the dust exhaust pipe and prevents the dust exhaust pipe from being worn.
[0022] The present invention is further configured as follows: a box door is hingedly connected to the outside of the processing box, and a handle is fixedly connected to the outside of the box door.
[0023] By adopting the above technical solution, the box door can be opened to replace the mesh plate and isolation net inside the processing box.
[0024] The present invention is further configured as follows: a sheath is fixedly connected to the outside of the handle, and anti-slip particles are fixedly connected to the outside of the sheath.
[0025] By adopting the above technical solution, it is more convenient to open the box door by holding the handle.
[0026] The beneficial effects of the utility model are:
[0027] 1. The utility model is to install the dust hood on the top of the material pit through the arrangement of the dust hood, fan frame, fan, dust exhaust pipe, processing box, water inlet pipe, water pump, nozzle, mesh plate, isolation net, water collection box, drain pipe and valve. The dust hood covers the top of the material pit, and then the fan is started to suck air. The dust inside the material pit is adsorbed to the inside of the dust hood by the fan, and then enters the inside of the dust exhaust pipe. The processing box is set in the middle of the dust exhaust pipe, and the mesh plate and isolation net are connected to the inside of the processing box through the card slot. When the dust enters the processing box, When inside, the dust enters the isolation net for isolation, and the water inlet pipe is connected to the water source. The water inside the water source is pumped into the water inlet pipe by a water pump, and the nozzle extends to the inside of the treatment box. The water enters the isolation net through the nozzle, and then the dust inside the isolation net is treated by dust reduction. The wastewater after dust reduction enters the water collecting tank, and the wastewater is collected by the water collecting tank. The valve is opened to discharge the wastewater inside the water collecting tank through the drain pipe, so that the device can not only absorb the dust inside the discharge pit, but also reprocess the dust.
[0028] 2. The utility model is characterized in that the connecting plate is overlapped on the outside of the column by the arrangement between the column, the connecting plate, the first bolt, the dustproof net, the positioning block, the second bolt, the flange, the lifting ring and the third bolt, and the connecting plate is fixed to the outside of the column by the first bolt, and the dustproof net is distributed inside each group of connecting plates, and the dust collection hood covers the dust on the top of the unloading pit, and the dustproof net blocks the left and right sides of the unloading pit, thereby preventing dust from spreading and improving the dust prevention effect. The four columns are distributed at the four corners of the bottom of the dust collection hood, and the dust collection hood is supported by the four columns, and the second bolt is threadedly connected to the inside of the positioning block so that the second bolt extends into the base surface, thereby fixing the column to the base surface, and the dust exhaust duct and the dust collection hood are fixed by the flange, and the dust exhaust duct and the dust collection hood can be disassembled, and the lifting ring is overlapped on the outside of the dust exhaust duct, thereby supporting the dust exhaust duct, and the third bolt is threadedly connected to the inside of the lifting ring so that the third bolt extends to the inside of the ceiling, thereby fixing the lifting ring on the ceiling. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. 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 any creative work.
[0030] Figure 1 This is a schematic diagram of the structure of the utility model;
[0031] Figure 2This is a schematic diagram of the internal structure of the dust collection hood and the processing box of the utility model;
[0032] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle;
[0033] Figure 4 This is a schematic diagram of the internal structure of the lifting ring of the utility model.
[0034] In the figure, 1. Dust hood; 2. Fan rack; 3. Fan; 4. Dust exhaust duct; 5. Treatment box; 6. Water inlet pipe; 7. Water pump; 8. Nozzle; 9. Mesh plate; 10. Isolation net; 11. Water collecting box; 12. Drain pipe; 13. Valve; 14. Column; 15. Connecting plate; 16. First bolt; 17. Dust net; 18. Positioning block; 19. Second bolt; 20. Flange; 21. Lifting ring; 22. Third bolt; 23. Cotton pad; 24. Box door; 25. Handle. DETAILED DESCRIPTION
[0035] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.
[0036] Reference Figure 1-4, a dust suction device for a grain feeding pit comprises a dust suction hood 1, a fan frame 2 is fixedly installed inside the top of the dust suction hood 1, a fan 3 is arranged inside the fan frame 2, a dust exhaust pipe 4 is arranged on the top of the dust suction hood 1, the middle part of the dust exhaust pipe 4 is fixedly connected to a processing box 5, the top of the processing box 5 is fixedly connected to a water inlet pipe 6, the middle part of the water inlet pipe 6 is fixedly installed with a water pump 7, one end of the water inlet pipe 6 is fixedly connected to a nozzle 8, slots are provided on both sides of the inner wall of the processing box 5, a mesh plate 9 is clamped inside the slot, an isolation net 10 is fixedly connected to the inside of the mesh plate 9, a water collecting box 11 is fixedly connected to the bottom of the processing box 5, a drain pipe 12 is fixedly connected to the inside of the water collecting box 11, a valve 13 is arranged inside the drain pipe 12, and the dust suction hood 1 is installed to the top of the feeding pit, The dust collection hood 1 covers the top of the discharge pit, and then the fan 3 is started so that the fan 3 sucks air. The dust inside the discharge pit is adsorbed into the dust collection hood 1 by the fan 3, and then enters the dust exhaust pipe 4. The treatment box 5 is arranged in the middle of the dust exhaust pipe 4, and the mesh plate 9 and the isolation net 10 are connected to the inside of the treatment box 5 through the card slot. When the dust enters the inside of the treatment box 5, the dust enters the inside of the isolation net 10 for isolation, and the water inlet pipe 6 is connected to the water source. The water inside the water source is pumped into the inside of the water inlet pipe 6 by the water pump 7. The nozzle 8 extends to the inside of the treatment box 5, and the water enters the inside of the isolation net 10 through the nozzle 8, so that the dust inside the isolation net 10 can be treated to reduce the dust, and the wastewater after dust reduction enters the inside of the water collecting tank 11. The waste water is collected by the water collecting box 11, and the valve 13 is opened to discharge the waste water inside the water collecting box 11 through the drain pipe 12, so that the device can not only vacuum the dust inside the discharge pit, but also reprocess the dust. Both sides of the bottom of the dust hood 1 are fixedly connected with columns 14, and the outside of the column 14 is overlapped with a connecting plate 15. The internal thread of the connecting plate 15 is connected with a first bolt 16, and the connecting plate 15 is overlapped on the outside of the column 14. The connecting plate 15 is fixed to the outside of the column 14 by the first bolt 16. The number of connecting plates 15 is four, and the four connecting plates 15 are grouped in pairs. The inside of each group of connecting plates 15 is fixedly connected with a dustproof net 17, and the dustproof net 17 is distributed inside each group of connecting plates 15. The dust hood 1 The dust on the top of the discharge pit is covered, and the dust-proof net 17 blocks the left and right sides of the discharge pit, thereby preventing the dust from spreading and improving the dust-proof effect. There are four columns 14, and the four columns 14 are distributed in the form of a rectangular array. The four columns 14 are distributed at the four corners of the bottom of the dust hood 1, and the dust hood 1 is supported by the four columns 14. The bottoms of the four columns 14 are fixedly connected with positioning blocks 18, and the internal threads of the positioning blocks 18 are connected with second bolts 19. The second bolts 19 are threadedly connected to the inside of the positioning blocks 18 so that the second bolts 19 extend into the base surface, thereby fixing the columns 14 on the base surface. A flange 20 is provided between the dust exhaust duct 4 and the dust hood 1, and the dust exhaust duct 4 and the dust hood 1 are movably connected through the flange 20.The dust exhaust duct 4 and the dust hood 1 are fixed through the flange 20, and the dust exhaust duct 4 and the dust hood 1 can be disassembled. The outside of the dust exhaust duct 4 is overlapped with a lifting ring 21, and the internal thread of the lifting ring 21 is connected with a third bolt 22. The lifting ring 21 is overlapped on the outside of the dust exhaust duct 4, thereby supporting the dust exhaust duct 4. The third bolt 22 is threadedly connected to the inside of the lifting ring 21, so that the third bolt 22 extends to the inside of the ceiling, thereby fixing the lifting ring 21 on the ceiling. There are two mounting rings 21, and both of them are fixedly connected to cotton pads 23. The cotton pads 23 protect the dust exhaust pipe 4 and prevent it from being worn. The outside of the treatment box 5 is hinged with a box door 24, and the outside of the box door 24 is fixedly connected to a handle 25. When the box door 24 is opened, the mesh plate 9 and isolation net 10 inside the treatment box 5 can be replaced. The outside of the handle 25 is fixedly connected to a protective sleeve, and the outside of the protective sleeve is fixedly connected to anti-slip particles. Holding the handle 25, it is more convenient to open the box door 24.
[0037] In the present invention, the dust hood 1 is installed to the top of the material pit, the dust hood 1 covers the top of the material pit, and then the fan 3 is started so that the fan 3 can suck air, and the dust inside the material pit is adsorbed into the dust hood 1 by the fan 3, and then enters the dust exhaust pipe 4. The processing box 5 is set in the middle of the dust exhaust pipe 4, and the mesh plate 9 and the isolation net 10 are connected to the inside of the processing box 5 through the card slot. When the dust enters the inside of the processing box 5, the dust enters the inside of the isolation net 10 for isolation, and the water inlet pipe 6 is connected to the water inlet pipe 6. The device is connected to the water source, and the water inside the water source is pumped into the water inlet pipe 6 through the water pump 7. The nozzle 8 extends to the inside of the treatment box 5. The water enters the inside of the isolation net 10 through the nozzle 8, and then the dust inside the isolation net 10 is treated to reduce the dust. The waste water after the dust reduction enters the inside of the water collecting box 11, and the waste water is collected by the water collecting box 11. The valve 13 is opened to discharge the waste water inside the water collecting box 11 through the drain pipe 12, so that the device can not only suck the dust inside the discharge pit, but also The dust is reprocessed, and the connecting plate 15 is overlapped on the outside of the column 14. The connecting plate 15 is fixed to the outside of the column 14 by the first bolt 16. The dustproof net 17 is distributed inside each group of connecting plates 15. The dust hood 1 covers the dust on the top of the discharge pit. The dustproof net 17 blocks the left and right sides of the discharge pit, thereby preventing the dust from spreading and improving the dust prevention effect. The four columns 14 are distributed at the four corners of the bottom of the dust hood 1. The dust hood 1 is supported by the four columns 14 and the second bolt 19 is threadedly connected. To the inside of the positioning block 18, the second bolt 19 extends into the base surface, so that the column 14 can be fixed on the base surface, the dust exhaust duct 4 and the dust hood 1 are fixed by the flange 20, and the dust exhaust duct 4 and the dust hood 1 can be disassembled, and the lifting ring 21 is overlapped on the outside of the dust exhaust duct 4, so that the dust exhaust duct 4 can be supported, and the third bolt 22 is threadedly connected to the inside of the lifting ring 21, so that the third bolt 22 extends to the inside of the ceiling, so that the lifting ring 21 can be fixed to the ceiling.
[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dust collection device for a grain feeding pit, comprising a dust collection hood (1), characterized in that: A fan rack (2) is fixedly installed inside the top of the dust hood (1), a fan (3) is arranged inside the fan rack (2), a dust exhaust pipe (4) is arranged on the top of the dust hood (1), a treatment box (5) is fixedly connected to the middle of the dust exhaust pipe (4), a water inlet pipe (6) is fixedly connected to the top of the treatment box (5), a water pump (7) is fixedly installed in the middle of the water inlet pipe (6), a nozzle (8) is fixedly connected to one end of the water inlet pipe (6), a card slot is provided on both sides of the inner wall of the treatment box (5), a mesh plate (9) is clamped inside the card slot, an isolation net (10) is fixedly connected inside the mesh plate (9), a water collecting box (11) is fixedly connected to the bottom of the treatment box (5), a drain pipe (12) is fixedly connected inside the water collecting box (11), and a valve (13) is arranged inside the drain pipe (12).
2. A dust suction device for a grain feeding pit according to claim 1, characterized in that: Both sides of the bottom of the dust hood (1) are fixedly connected with columns (14), the outside of the columns (14) is overlapped with a connecting plate (15), and the inside of the connecting plate (15) is threadedly connected with a first bolt (16).
3. A dust suction device for a grain feeding pit according to claim 2, characterized in that: The number of the connecting plates (15) is four, and the four connecting plates (15) form a group of two. A dustproof net (17) is fixedly connected to the interior of each group of connecting plates (15).
4. The dust suction device for a grain feeding pit according to claim 2, characterized in that: The number of the columns (14) is four, and the four columns (14) are distributed in the form of a rectangular array.
5. The dust suction device for a grain feeding pit according to claim 4, characterized in that: The bottoms of the four upright posts (14) are all fixedly connected with positioning blocks (18), and the internal threads of the positioning blocks (18) are connected with second bolts (19).
6. The dust suction device for a grain feeding pit according to claim 1, characterized in that: A flange (20) is provided between the dust exhaust duct (4) and the dust hood (1), and the dust exhaust duct (4) and the dust hood (1) are movably connected via the flange (20).
7. The dust suction device for a grain feeding pit according to claim 1, characterized in that: The outside of the dust exhaust pipe (4) is overlapped with a lifting ring (21), and the inside of the lifting ring (21) is threadedly connected with a third bolt (22).
8. The dust suction device for a grain feeding pit according to claim 7, characterized in that: There are two hanging rings (21), and the interiors of the two hanging rings (21) are fixedly connected with cotton pads (23).
9. The dust suction device for a grain feeding pit according to claim 1, characterized in that: The outside of the processing box (5) is hinged with a box door (24), and the outside of the box door (24) is fixedly connected with a handle (25).
10. The dust suction device for a grain feeding pit according to claim 9, characterized in that: The outside of the handle (25) is fixedly connected to a sheath, and the outside of the sheath is fixedly connected to anti-skid particles.
Citation Information
Patent Citations
Efficient grain discharging pit dust suction device
CN209177632U