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CN-224226182-U - Anti-blocking device for powdery material conveying pipeline

CN224226182UCN 224226182 UCN224226182 UCN 224226182UCN-224226182-U

Abstract

The utility model discloses an anti-blocking device for a powdery material conveying pipeline, which comprises a conveying box, wherein a feeding pipe is arranged at the bottom of the conveying box, a first control valve is arranged on the feeding pipe, a screen is arranged in an inner cavity of the conveying box, a discharging pipe is arranged at the top of the conveying box, and the discharging pipe is communicated with an external storage bin. The utility model relates to the technical field of cement powder conveying, in particular to an anti-blocking device for a powder conveying pipeline, wherein powder enters a conveying box through a feed pipe under a high-pressure environment, a screen in the box intercepts blocky materials or impurities in the powder, the powder can pass through the screen and is discharged through a discharge pipe at the top of the box and finally enters a storage bin, a cleaning brush can be started periodically or irregularly to clean the screen in order to prevent the screen from being blocked by the impurities, and the impurities are cleaned to a waste discharge port to be discharged.

Inventors

  • ZHANG JINGWEI
  • SUN XIAOLONG
  • Men Runguang

Assignees

  • 河北京兰水泥有限公司

Dates

Publication Date
20260512
Application Date
20250427

Claims (4)

  1. 1. The anti-blocking device for the powdery material conveying pipeline is characterized by comprising a conveying box (1), wherein a feeding pipe (2) is arranged at the bottom of the conveying box (1), a first control valve (3) is arranged on the feeding pipe (2), a screen (4) is arranged in an inner cavity of the conveying box (1), a discharging pipe (5) is arranged at the top of the conveying box (1), and the discharging pipe (5) is communicated with an external storage bin; The inner cavity of the conveying box (1) is provided with a rotatable cleaning brush (6), and the brush hair part of the cleaning brush (6) can be contacted with the screen (4); Waste discharge ports (8) are formed in two sides of the bottom of the conveying box (1), and a second control valve (9) is arranged on each waste discharge port (8); The side part of the conveying box (1) is provided with an access hole (14).
  2. 2. The powder material conveying pipeline anti-blocking device according to claim 1, wherein a shielding ring (7) is arranged at the bottom of the cleaning brush (6), the cleaning brush (6) is driven by an external servo motor, and the rotation stroke of the cleaning brush (6) is from one end to the other end of the screen (4).
  3. 3. The powder material conveying pipeline anti-blocking device according to claim 1, wherein arc-shaped steps (15) are respectively arranged at the left and right sides of the bottom of the inner wall of the conveying box (1), and the waste discharge port (8) is positioned at the lowest position of the arc-shaped steps (15).
  4. 4. The anti-blocking device for the powdery material conveying pipeline according to claim 1, wherein a sampling pipe (10) is arranged at the top of the conveying box (1), a third control valve (11) and a fourth control valve (12) are respectively arranged on the sampling pipe (10), and a collecting box (13) is arranged at the outlet of the sampling pipe (10).

Description

Anti-blocking device for powdery material conveying pipeline Technical Field The utility model relates to the technical field of cement powder conveying, in particular to an anti-blocking device for a powdery material conveying pipeline. Background At present, in the raw materials used in the cement industry, in order to facilitate comprehensive utilization of resources, various dry powdery materials such as fly ash, mineral powder and the like are used, and the materials are industrial solid wastes, and are characterized in that impurities are easy to mix in the processes of drying, production and storage, and when the materials are conveyed by high-pressure air in a storage bin, because the dry powdery materials need a closed pipeline, such as blocky materials or impurities are mixed in the materials, the pipeline is easy to be blocked, and the conveying speed is influenced. In view of the above, there is a need to address the occurrence of clogging problems. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides an anti-blocking device for a powdery material conveying pipeline, which solves the problem that the existing cement powdery material is easy to block in the conveying process. (II) technical scheme The anti-blocking device for the powder material conveying pipeline comprises a conveying box, wherein a feeding pipe is arranged at the bottom of the conveying box, a first control valve is arranged on the feeding pipe, a screen is arranged in an inner cavity of the conveying box, a discharging pipe is arranged at the top of the conveying box, and the discharging pipe is communicated with an external storage bin. The inner cavity of the conveying box is provided with a rotatable cleaning brush, and the brush hair part of the cleaning brush can be contacted with the screen. The two sides of the bottom of the conveying box are provided with waste discharge ports, and the waste discharge ports are provided with second control valves. The lateral part of delivery box is provided with the access hole. As a further preferable mode, a shielding ring is arranged at the bottom of the cleaning brush, the cleaning brush is driven by an external servo motor, and the rotation stroke of the cleaning brush is from one end of the screen to the other end of the screen. As further preferable, the left and right sides of the bottom of the inner wall of the conveying box are respectively provided with an arc-shaped step, and the waste discharge port is positioned at the lowest position of the arc-shaped steps. As a further preferable mode, a sampling tube is arranged at the top of the conveying box, a third control valve and a fourth control valve are respectively arranged on the sampling tube, and a collecting box is arranged at the outlet of the sampling tube. (III) beneficial effects The utility model provides an anti-blocking device for a powdery material conveying pipeline. The beneficial effects are as follows: This powder material conveying pipeline prevents stifled device, powder get into the delivery box through the inlet pipe under high pressure environment, intercept bulk material or impurity in the powder through the screen cloth of incasement, the powder can pass the screen cloth and discharge through the discharging pipe at box top, finally get into and store in the storehouse, in order to prevent impurity jam screen cloth, the brush cleaner can clean the screen cloth regularly or the start-up of unscheduled, the impurity is swept to the exhaust mouth discharge. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; fig. 2 is a cross-sectional view of the structure of the present utility model. The device comprises a conveying box, a feeding pipe, a first control valve, a screen, a discharging pipe, a cleaning brush, a shielding ring, a waste discharge port, a second control valve, a sampling pipe, a third control valve, a fourth control valve, a collecting box, a overhauling port, an arc-shaped step and a cleaning brush, wherein the conveying box, the feeding pipe, the first control valve, the screen, the discharging pipe, the cleaning brush, the shielding ring, the waste discharge port, the second control valve, the sampling pipe, the third control valve, the collecting box, the overhauling port and the arc-shaped step. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. As shown in fig. 1-2, the utility model provides a technical scheme