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CN-224226183-U - Flow regulating rotor and pneumatic conveying pipeline flow regulator

CN224226183UCN 224226183 UCN224226183 UCN 224226183UCN-224226183-U

Abstract

The utility model relates to the field of powder conveying, in particular to a flow regulating rotor and a pneumatic conveying pipeline flow regulator, wherein the flow regulating rotor is in a cylindrical structure, one end of the flow regulating rotor is closed, the other end of the flow regulating rotor is opened to serve as a discharge hole, at least two groups of feeding holes are formed in the circumferential direction of a cylinder body of the flow regulating rotor for feeding materials, and the axes of the feeding holes are arranged at equal intervals in the circumferential direction of the flow regulating rotor. According to the utility model, the flow rate of the pneumatic conveying pipeline is controlled by controlling the rotating speed of the flow regulating rotor, and a supercharging device is not required to be arranged in the pipeline, so that the safety in the material conveying process is improved.

Inventors

  • XU XIAODONG
  • XIE YULING

Assignees

  • 安徽正亚环保科技有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (10)

  1. 1. The utility model provides a flow control rotor, its characterized in that, flow control rotor (4) are tubular structure, and its one end is sealed, and the other end opening is with regard to as discharge gate (42), and at least two sets of feed holes (41) are offered in the barrel of flow control rotor (4) along circumference for the material gets into, and the axle center of each feed hole (41) is equidistant along flow control rotor (4) circumference to be arranged.
  2. 2. A flow regulating rotor according to claim 1, characterized in that the apertures of the feed holes (41) are equal.
  3. 3. A flow regulating rotor according to claim 1, characterized in that the aperture of each feed hole (41) increases from small to large in equal difference in the direction of rotation of the flow regulating rotor (4).
  4. 4. A flow regulating rotor according to claim 1, characterized in that the outlet opening (42) of the flow regulating rotor (4) is of a bell-mouth configuration with a gradually narrowing bore in the material conveying direction.
  5. 5. A pneumatic conveying pipeline flow regulator is characterized by comprising a feeding pipe (1) and a discharging pipe (2) which are coaxially arranged, wherein an outlet of the feeding pipe (1) and an inlet of the discharging pipe (2) are all arranged in an elbow mode, a flow regulating rotor (4) according to any one of claims 1-4 is coaxially arranged in a regulating pipe (3), one end of the regulating pipe (3) is provided with a power source for driving the flow regulating rotor (4) to rotate, the other end of the regulating pipe (3) is communicated with the inlet of the discharging pipe (2), an opposite connecting pipe communicated with a pipe cavity of the regulating pipe (3) is radially arranged on the regulating pipe (3), the regulating pipe (3) is communicated with the outlet of the feeding pipe (1) through the opposite connecting pipe, and a pipe mouth of the opposite connecting pipe corresponds to a feeding hole (41) in the flow regulating rotor (4).
  6. 6. A pneumatic conveying pipeline flow regulator according to claim 5, wherein the diameter of the flow regulating rotor (4) corresponds to the inner diameter of the regulating pipe (3) and is in clearance fit.
  7. 7. A pneumatic conveying pipeline flow regulator as claimed in claim 5, wherein the diameter of the flow regulating rotor (4) is smaller than the inner diameter of the regulating pipe (3), a butt joint interface (34) which is arranged in the butt joint pipe and is coaxial with the butt joint pipe is arranged at the outlet of the feed pipe (1), the mouth part of the butt joint interface (34) is arc-shaped and is attached to the outer wall of the flow regulating rotor (4), and the mouth part of the butt joint interface (34) is positioned on the rotating path of each feed hole (41) of the flow regulating rotor (4).
  8. 8. A pneumatic conveying pipeline flow regulator according to claim 5, wherein the discharge pipe (2) is provided with a blowing assisting pipe (22) which is arranged in parallel with the axis of the discharge pipe (2), the blowing assisting direction of the blowing assisting pipe (22) is the same as the conveying direction of materials, and the blowing assisting pipe (22) is in avoidance with the regulating pipe (3).
  9. 9. A pneumatic conveying pipeline flow regulator according to claim 5, wherein the power source is a speed regulating motor (33) for fixing the end part of the regulating pipe (3), and the speed regulating motor (33) is connected with the closed end of the flow regulating rotor (4) through a speed changer (32) so as to drive the flow regulating rotor (4) to rotate.
  10. 10. A pneumatic conveying pipeline flow regulator according to claim 9, wherein the feeding pipe (1) and the discharging pipe (2) are respectively provided with a first pressure sensor (11) and a second pressure sensor (21) for monitoring the pressure in the pipeline, and the regulating pipe (3) is provided with a controller (31) for controlling the rotating speed of the speed regulating motor (33).

Description

Flow regulating rotor and pneumatic conveying pipeline flow regulator Technical Field The utility model relates to the field of powder conveying, in particular to a flow regulating rotor and a pneumatic conveying pipeline flow regulator. Background Pneumatic conveying pipes are a technology for conveying powdery, granular or small-block materials in a closed pipeline by utilizing air flow (usually air), and the core is that the materials are suspended by utilizing air flow energy (kinetic energy or pressure energy) and move along with the air flow, and are conveyed from a starting point (such as a storage bin) to a finishing point (such as a receiving tank) through the pipeline. When pneumatic conveying is carried out, because the characteristics of material density, particle size, humidity and the like are different, the required conveying air speed and flow rate are also different, so that the pneumatic conveying pipeline needs to dynamically adjust the pipeline flow rate according to the change of conveying working conditions. At present, the conventional flow regulation mode in the pneumatic conveying pipeline is as described in the publication No. CN217126265U, and a pressurizing device is arranged in the pneumatic conveying pipeline to suspend the powder relative to the connecting pipe and the lower part of the pneumatic conveying pipeline, so that the powder is kept in a fluidized state. Although the flow can be regulated in a mode of frequently increasing and decreasing the pressure, the continuous change of the pressure easily causes leakage at the flange connection part in the pneumatic conveying pipeline, and the adiabatic compression can cause temperature rise in the pipeline, so that material denaturation can be caused, and potential safety hazards exist in the material conveying process, so that the problem needs to be solved. Disclosure of utility model In order to avoid and overcome the technical problems in the prior art, the utility model provides a flow regulating rotor and a pneumatic conveying pipeline flow regulator. According to the utility model, the flow rate of the pneumatic conveying pipeline is controlled by controlling the rotating speed of the flow regulating rotor, and a supercharging device is not required to be arranged in the pipeline, so that the safety in the material conveying process is improved. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a flow control rotor, flow control rotor is tubular structure, and its one end is sealed, and the other end opening is regarded as the discharge gate, and at least two sets of feed holes have been seted up along circumference to flow control rotor's stack shell for the material gets into, and the axle center of each feed hole is equidistant along flow control rotor circumference to be arranged. As a further scheme of the utility model, the apertures of the feeding holes are equal. As a still further proposal of the utility model, the aperture of each feeding hole increases gradually from small to large along the rotation direction of the flow regulating rotor. As a still further proposal of the utility model, the discharge hole of the flow regulating rotor is of a horn mouth structure with gradually narrowed caliber along the material conveying direction. The pneumatic conveying pipeline flow regulator comprises a feeding pipe and a discharging pipe which are coaxially arranged, wherein an outlet of the feeding pipe and an inlet of the discharging pipe are both arranged in an elbow shape, a flow regulating rotor is coaxially arranged in the regulating pipe, one end of the regulating pipe is provided with a power source for driving the flow regulating rotor to rotate, the other end of the regulating pipe is communicated with the inlet of the discharging pipe, an opposite connecting pipe communicated with a pipe cavity of the regulating pipe is radially arranged on the regulating pipe, the regulating pipe is communicated with the outlet of the feeding pipe through the opposite connecting pipe, and a pipe orifice of the opposite connecting pipe corresponds to a feeding hole on the flow regulating rotor. As a still further aspect of the utility model, the diameter of the flow regulating rotor corresponds to the inner diameter of the regulating tube and is in clearance fit. As a still further proposal of the utility model, the diameter of the flow regulating rotor is smaller than the inner diameter of the regulating pipe, a butt joint interface which is arranged in the butt joint pipe and is coaxial with the butt joint pipe is arranged at the outlet of the feeding pipe, the mouth part of the butt joint interface is in a cambered surface shape and is jointed with the outer wall of the flow regulating rotor, and the mouth part of the butt joint interface is positioned on the rotating path of each feeding hole of the flow regulating rotor. As a still f