Environment-friendly dust falling device for pneumatic ash conveying feeding bin
By employing a dust suppression device consisting of a suction fan and a microporous filter plate in the pneumatic ash conveying silo, the problem of dust emission has been solved, achieving both health protection and resource conservation.
Patent Information
- Application Number
- CN202423195698.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing pneumatic ash conveying silos are prone to generating dust during feeding, which affects the health of workers and wastes resources.
Design a dust suppression device that includes a suction fan, a microporous filter plate, and a motor-driven system. The suction fan sucks in dust and traps powdery materials on the microporous filter plate. The motor-driven baffle flips to return the material on the filter plate to the feed hopper.
It effectively prevents dust from floating and reduces health impacts, and reduces resource waste by recycling materials on the filter plate.
Smart Images

Figure CN223673880U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of pneumatic ash conveying, especially relates to an environmental protection dust falling device for pneumatic ash conveying feeding bin. BACKGROUND
[0002] At present, in the pneumatic ash conveying system, the feeding bin as the front-end equipment of the system has the function of stably and effectively conveying the powdery material into the ash conveying pipeline.
[0003] However, the existing pneumatic ash conveying feeding bin is prone to generate a large amount of flying ash during feeding, which affects the health of the workers and also causes resource waste. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of environmental protection dust falling devices for pneumatic ash conveying feeding bin, to solve the problem that the existing pneumatic ash conveying feeding bin is prone to generate a large amount of flying ash during feeding, which affects the health of the workers and also causes resource waste.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A kind of environmental protection dust falling device for pneumatic ash conveying feeding bin, including feeding bin body, the multiple sides of the feeding bin body are equipped with material passage, the multiple sides of the feeding bin body are equipped with dust falling assembly, the dust falling assembly includes shell, shell is fixed in the side outer wall of feeding bin body by bolt, the multiple side inner walls of shell are all fixedly connected with baffle, a plurality of baffles are fixedly connected with guide dust hopper in middle, the bottom end inside guide dust hopper is fixedly connected with support frame, the bottom of support frame is fixedly connected with suction fan, the side inner wall of shell is fixedly connected with inclined plate obliquely, inclined plate is equipped with air passage, air passage is located below guide dust hopper, the other end of inclined plate is rotatably connected with rotating rod, the outer wall of rotating rod is fixedly connected with baffle, the side of baffle is fixedly connected with upper microporous filter plate, upper microporous filter plate is blocked in air passage, two side plates are fixedly connected between baffle and upper microporous filter plate.
[0007] Further, the bottom end of the shell is clamped with lower microporous filter plate.
[0008] Further, the side of the shell is clamped with side door.
[0009] Further, the multiple side inner walls of the shell are all fixedly connected with guide plate, and the bottom end of the guide plate is fixedly connected with the top of the baffle.
[0010] Further, the top end of the shell is clamped with a protective net.
[0011] Further, one side outer wall of the shell is fixedly connected with a connecting seat, one side of the connecting seat is fixedly connected with a motor, and an output end of the motor is fixedly connected with one end of the rotating rod.
[0012] Further, the baffle, the upper microporous filter plate and the side plate form a bucket-shaped structure.
[0013] The utility model discloses the beneficial effects are:
[0014] 1. through the suction of the suction fan under the suction effect and raise the dust suction into the shell, then, the ash falls on the upper microporous filter plate, and the powdery material is intercepted on the upper microporous filter plate, and the gas passes through the upper microporous filter plate and discharges, thereby avoiding the dust floating in the air, so as to avoid affecting the health of the staff.
[0015] 2. the setting of the lower microporous filter plate can further filter the powdery material entrained in the gas, so as to avoid the waste of the material.
[0016] 3. through the rotation of the rotating rod under the driving of the motor, the baffle and the upper microporous filter plate are turned over from the material inlet to the feed bin body, and the powdery material on the upper microporous filter plate is poured into the feed bin body, so as to be transported away with the next dust conveying, which is beneficial to the conservation of resources. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a use state three-dimensional structure schematic view of the environmental protection dust falling device for the pneumatic dust conveying feed bin proposed in the utility model;
[0018] Figure 2 It is a dust falling assembly three-dimensional structure schematic view of the environmental protection dust falling device for the pneumatic dust conveying feed bin proposed in the utility model;
[0019] Figure 3 It is a dust falling assembly partial sectional view structure schematic view of the environmental protection dust falling device for the pneumatic dust conveying feed bin proposed in the utility model;
[0020] Figure 4 It is a use state sectional view structure schematic view of the environmental protection dust falling device for the pneumatic dust conveying feed bin proposed in the utility model;
[0021] Figure 5 It is an upper microporous filter plate turning state structure schematic view of the environmental protection dust falling device for the pneumatic dust conveying feed bin proposed in the utility model.
[0022] In the figure: 1, feed bin body; 2, dust falling assembly; 201, shell; 202, partition; 203, ash guide hopper; 204, support frame; 205, suction fan; 206, inclined plate; 207, rotating rod; 208, baffle; 209, upper microporous filter plate; 210, air vent; 211, side plate; 3, material inlet; 4, lower microporous filter plate; 5, side door; 6, guide plate; 7, protective net; 8, connecting seat; 9, motor. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0024] Reference Figures 1-5 An environmental protection dust falling device for pneumatic ash conveying feed bin, including feed bin body 1, the multiple sides of feed bin body 1 are equipped with material inlet 3, the multiple sides of feed bin body 1 are equipped with dust falling assembly 2, dust falling assembly 2 includes shell 201, shell 201 is fixed on the one side outer wall of feed bin body 1 by bolt, the multiple side inner walls of shell 201 are all welded with partition 202, a plurality of partition 202 are welded with ash guide hopper 203 in the middle, thereby guiding flow to the conveying of ash, the bottom end in ash guide hopper 203 is fixed with support frame 204 by bolt, the bottom of support frame 204 is fixed with suction fan 205 that provides power by bolt, the one side inner wall of shell 201 is obliquely welded with inclined plate 206, inclined plate 206 is equipped with air vent 210, air vent 210 is below ash guide hopper 203, the other end of inclined plate 206 is rotatably connected with rotating rod 207, the outer wall of rotating rod 207 is welded with baffle 208, one side of baffle 208 is fixed with upper microporous filter plate 209 by bolt, upper microporous filter plate 209 is blocked in air vent 210, under the suction of suction fan 205, the ash that is raised is sucked into shell 201, then, the powdery material in it is intercepted on upper microporous filter plate 209, gas is discharged through upper microporous filter plate 209, two side plates 211 are fixed between baffle 208 and upper microporous filter plate 209 by bolt, the baffle 208, upper microporous filter plate 209, side plate 211 form the structure of bucket, thereby facilitating the storage of powdery material.
[0025] The bottom end of the shell 201 is clamped with a lower microporous filter plate 4, which further filters the powder materials entrained in the gas to avoid waste of the materials. One side of the shell 201 is clamped with a side door 5, so as to facilitate cleaning and replacement of the upper microporous filter plate 209 and the lower microporous filter plate 4. The inner walls of the multiple sides of the shell 201 are all welded with guide plates 6, the bottom end of the guide plate 6 is fixedly connected with the top of the partition plate 202, so as to make the ash fall into the ash guide chute 203. The top end of the shell 201 is clamped with a protective net 7, so as to avoid other objects from falling into the shell 201. The outer wall of one side of the shell 201 is fixedly provided with a connecting seat 8 through bolts. One side of the connecting seat 8 is fixedly provided with a motor 9 through bolts. The output end of the motor 9 is fixedly connected with one end of the rotating rod 207. Under the driving of the motor 9, the rotating rod 207 rotates, so as to drive the baffle 208 and the upper microporous filter plate 209 to overturn from the material port 3 into the feed bin bin body 1, and pour the powder materials on the upper microporous filter plate 209 into the feed bin bin body 1.
[0026] The working principle of the embodiment is as follows: when in use, the powder materials are put into the feed bin bin body 1. At this time, the upper microporous filter plate 209 is blocked in the air port 210. At the same time, the suction fan 205 is started. Under the suction of the suction fan 205, the ash raised is introduced into the shell 201. Under the guiding action of the ash guide chute 203, the ash falls on the upper microporous filter plate 209. The powder materials are intercepted on the upper microporous filter plate 209. The air passes through the upper microporous filter plate 209 and enters the bottom of the shell 201, and then is discharged from the shell 201 through the lower microporous filter plate 4.
[0027] When not conveying, the motor 9 is started. Under the driving of the motor 9, the rotating rod 207 rotates, so as to drive the baffle 208 and the upper microporous filter plate 209 to overturn from the material port 3 into the feed bin bin body 1, and pour the powder materials on the upper microporous filter plate 209 into the feed bin bin body 1.
[0028] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An environmental dust reduction device for pneumatic ash feeding silo, comprising a silo body (1), characterized in that, The feeding bin body (1) is provided with a feeding port (3) on each side, and the feeding bin body (1) is provided with a dust falling assembly (2) on each side, the dust falling assembly (2) comprises a shell (201), the shell (201) is fixed on the outer wall of one side of the feeding bin body (1) through bolts, the inner walls of the shell (201) are fixedly connected with partitions (202), the partitions (202) are fixedly connected with a dust guide hopper (203) in the middle, the bottom end of the dust guide hopper (203) is fixedly connected with a support frame (204), the bottom of the support frame (204) is fixedly connected with a suction fan (205), the inner wall of one side of the shell (201) is fixedly connected with an inclined plate (206) obliquely, the inclined plate (206) is provided with an air vent (210), the air vent (210) is located below the dust guide hopper (203), the other end of the inclined plate (206) is rotatably connected with a rotating rod (207), the outer wall of the rotating rod (207) is fixedly connected with a baffle (208), one side of the baffle (208) is fixedly connected with an upper microporous filter plate (209), the upper microporous filter plate (209) is blocked in the air vent (210), and two side plates (211) are fixedly connected between the baffle (208) and the upper microporous filter plate (209).
2. The dust reduction device for pneumatic ash conveying feeding bin according to claim 1, characterized in that, The bottom end of the shell (201) is clamped with a lower microporous filter plate (4).
3. The dust reduction device for pneumatic ash conveying feeding bin according to claim 1, characterized in that, One side of the shell (201) is clamped with a side door (5).
4. The dust reduction device for pneumatic ash conveying feeding bin according to claim 1, characterized in that, The inner walls of the shell (201) are fixedly connected with guide plates (6), and the bottom end of the guide plate (6) is fixedly connected with the top of the partition (202).
5. The dust reduction device for pneumatic ash conveying feeding bin according to claim 1, characterized in that, The top end of the shell (201) is clamped with a protective net (7).
6. The dust control device for pneumatic ash conveying according to claim 1, wherein One side of the shell (201) is fixedly connected with a connecting seat (8), one side of the connecting seat (8) is fixedly connected with a motor (9), and one end of the rotating rod (207) is fixedly connected with the output end of the motor (9).
7. The dust control device for pneumatic ash conveying according to claim 1, wherein The baffle (208), the upper microporous filter plate (209) and the side plate (211) form a bucket-shaped structure.