阅读说明：本技术 一种主动式抑尘料斗 (Active dust suppression hopper ) 是由 袁建明 杨仲 尹锋 王磊 胡勇 王贡献 胡志辉 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种主动式抑尘料斗,包括至少一个料斗、至少一个导料组件,所述导料组件与所述料斗一一对应设置,每一所述导料组件包括固定轴、至少两个导料板,所述固定轴同轴内置于所述料斗,所述导料板呈螺旋形,所述导料板沿所述固定轴的轴向内置于所述料斗,且至少两个所述导料板沿所述固定轴的周向均匀分布,所述导料板的内缘连接于所述固定轴、外缘连接于所述料斗的内壁。本发明能有效抑制物料落入料斗过程中向外逸出粉尘。(the invention discloses an active dust suppression hopper which comprises at least one hopper and at least one material guide assembly, wherein the material guide assemblies and the hopper are arranged in a one-to-one correspondence mode, each material guide assembly comprises a fixed shaft and at least two material guide plates, the fixed shaft is coaxially arranged in the hopper, the material guide plates are spiral, the material guide plates are arranged in the hopper along the axial direction of the fixed shaft, the at least two material guide plates are uniformly distributed along the circumferential direction of the fixed shaft, the inner edges of the material guide plates are connected to the fixed shaft, and the outer edges of the material guide plates are connected to the inner wall of the hopper. The invention can effectively inhibit the dust from escaping outwards in the process that the material falls into the hopper.)

1. An active dust suppression hopper, comprising:

At least one hopper;

At least one guide subassembly, the guide subassembly with the hopper one-to-one sets up, each the guide subassembly includes fixed axle, two at least stock guides, place in the fixed axle is coaxial the hopper, the stock guide is the spiral, the stock guide is followed place in the axial of fixed axle the hopper, and at least two the stock guide is followed the circumference evenly distributed of fixed axle, the inner edge of stock guide connect in fixed axle, outer fringe connect in the inner wall of hopper.

2. The active dust suppression hopper as claimed in claim 1, wherein each of the guide assemblies comprises four guide plates, and the four guide plates are uniformly distributed along the circumference of the fixed shaft.

3. the active dust suppression hopper of claim 1, wherein the number of hoppers is plural, and axes of the plural hoppers are parallel to each other and adjacent hoppers are connected to each other.

4. The active dust suppression hopper of claim 3, wherein the number of hoppers is four, and four hoppers are arranged in a rectangular pattern.

5. the active dust suppression hopper according to claim 1, wherein a plurality of dust suction holes are formed in an inward circumferential surface of the hopper, the dust suction holes are uniformly distributed along a circumferential direction of the hopper, and each dust suction hole is communicated with an interior of the hopper.

6. The active dust suppression hopper of claim 5, further comprising a dust removal assembly, wherein the dust removal assembly comprises a dust remover and a negative pressure fan, an air inlet end of the dust remover is communicated with each dust suction hole, and an air inlet end of the negative pressure fan is communicated with an air outlet end of the dust remover.

7. The active dust suppression hopper according to claim 6, wherein the dust removing assembly further comprises a plurality of dust suction branch pipes and a dust suction main pipe, the dust suction branch pipes are arranged in one-to-one correspondence with the dust suction holes, and air inlet ends of the dust suction branch pipes are communicated with the dust suction holes; one end of the main dust absorption pipe is communicated with the air outlet end of each branch dust absorption pipe, and the other end of the main dust absorption pipe is communicated with the air inlet end of the dust remover.

8. The active dust suppression hopper of claim 6, further comprising at least one valve disposed in one-to-one correspondence with the hopper, the valve being disposed at a discharge end of the hopper.

9. The active dust suppression hopper according to claim 1, wherein a first cavity and a second cavity are formed in the hopper, the first cavity is cylindrical, the second cavity is truncated cone-shaped, the second cavity is located below the first cavity, one end of the second cavity is communicated with the first cavity, and the inner diameter of the second cavity is gradually reduced in a direction away from the first cavity; the fixed shaft and the material guide plate are coaxially arranged in the first cavity.

Technical Field

The invention relates to the technical field of dust suppression of hoppers, in particular to an active dust suppression hopper.

Background

When bulk materials such as coal, ore and grain are transferred, the bulk materials are usually transferred by adopting a hopper as a medium and then are conveyed to a destination by a belt conveyor, a truck and the like.

the in-process of conveying equipment with the bulk cargo material into the hopper, the bulk cargo material falls into the hopper from the hopper top in, and the in-process that the bulk cargo material falls into the hopper easily produces a large amount of dust, causes dust pollution, seriously threatens staff's healthy and operation safety.

Disclosure of Invention

the invention aims to overcome the technical defects and provide an active dust suppression hopper, which solves the technical problem that a large amount of dust is generated in the process of falling bulk goods into the hopper in the prior art.

in order to achieve the technical purpose, the technical scheme of the invention provides an active dust suppression hopper, which is characterized by comprising the following components:

At least one hopper;

at least one guide subassembly, the guide subassembly with the hopper one-to-one sets up, each the guide subassembly includes fixed axle, two at least stock guides, place in the fixed axle is coaxial the hopper, the stock guide is the spiral, the stock guide is followed place in the axial of fixed axle the hopper, and at least two the stock guide is followed the circumference evenly distributed of fixed axle, the inner edge of stock guide connect in fixed axle, outer fringe connect in the inner wall of hopper.

compared with the prior art, the invention has the beneficial effects that: through set up the fixed axle in the hopper, be spiral helicine deflector, the material falls into the hopper after, along the direction landing of deflector to the bottom of hopper, can change the motion trail that the granule flows, increases the continuous friction between material process granule and stock guide and granule and the granule to reduce the velocity of motion that the granule flows and the collision dynamics of granule and hopper, finally realize suppressing the production of dust.

drawings

FIG. 1 is a three-dimensional schematic of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a cross-sectional view taken along line E-E of FIG. 2;

FIG. 4 is a schematic structural diagram of an active dust suppression hopper according to a second embodiment of the present invention;

FIG. 5 is a three-dimensional schematic view of an active dust suppression hopper according to a fourth embodiment of the present invention;

Fig. 6 is a schematic structural diagram of an active dust suppression hopper according to a fifth embodiment of the present invention;

FIG. 7 is a schematic structural diagram of an active dust suppression hopper according to a sixth embodiment of the present invention;

FIG. 8 is a line graph showing the variation in the velocity of particle movement during feeding;

FIG. 9 is a line graph of velocity change upon particle impact;

FIG. 10 is a cloud of flow field velocities of a material falling in a normal hopper for 1 second;

FIG. 11 is a cloud of flow field velocities after a material falls for 1.2 seconds as it falls into a conventional hopper;

FIG. 12 is a cloud of flow field velocities after 2.8 seconds of material fall as it falls into a conventional hopper;

FIG. 13 is a flow chart of the flow field velocity after the material falls for 1 second when falling into a normal hopper;

FIG. 14 is a flow chart of the flow field velocity after the material falls for 1.2 seconds when falling into a normal hopper;

FIG. 15 is a flow chart of the flow field velocity after the material falls for 2.8 seconds when falling into a normal hopper;

FIG. 16 is a flow field velocity profile of the initial impact of material with the deflector and hopper as the material falls into the active dust suppression hopper of the present invention;

FIG. 17 is a cloud of flow field velocities for initial collisions of material with baffles and hoppers as the material falls into an active dust suppression hopper of the present invention;

FIG. 18 is a flow field velocity vector diagram of the initial impact of material with the deflector and hopper as the material falls into the active dust suppression hopper of the present invention;

FIG. 19 is a flow chart of the flow field velocity at the material slip stage as the material falls into the active dust suppression hopper of the present invention;

FIG. 20 is a cloud of flow field velocities at a material slip stage as the material falls into an active dust suppression hopper according to the present invention;

FIG. 21 is a flow field velocity vector diagram of the material slip stage when the material falls into the active dust suppression hopper of the present invention;

FIG. 22 is a flow chart of the flow field velocity during the material accumulation phase as material falls into the active dust suppression hopper of the present invention;

FIG. 23 is a cloud of flow field velocities during a material accumulation phase as material falls into an active dust suppression hopper according to the present invention;

FIG. 24 is a flow field velocity vector diagram for the material accumulation phase as it falls into an active dust suppression hopper of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.