Novel dust removal pipeline tobacco shred recycling and conveying device

By combining a negative pressure generator and a make-up air device, the problem of blockage in the tobacco shred recovery device of the dust removal pipeline driven by the motor was solved, achieving stable and reliable tobacco shred delivery and reducing equipment costs.

CN224336651UActive Publication Date: 2026-06-09HUNAN ZHONGNAN GAOCHUANG TOBACCO SCI & TECH CO LTD
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Patent Information

Application Number
CN202423045071.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2026-06-09
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing dust removal pipeline tobacco recycling and conveying devices are prone to clogging under motor drive, especially when restarting after a shutdown, resulting in unstable tobacco conveying.

Method used

A negative pressure generator and a make-up air device are used to create negative pressure through the jet action of compressed air to assist in the conveying of short tobacco shreds. The storage cylinder buffers the inflow of tobacco shreds in abnormal situations, eliminating the need for motor drive and impeller brake rollers. The air flow is regulated by the make-up air valve.

Benefits of technology

This achieved stability and reliability in tobacco conveying, eliminated clogging problems, reduced equipment costs, and improved the operational reliability of the device.

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Abstract

The utility model discloses a novel dust removal pipeline tobacco shred recycling and conveying device which mainly comprises a collector, a storage barrel, a blanking hopper, a negative pressure generator and a discharge pipeline which are sequentially connected end to end in series and further comprises an air supplementing device connected to the blanking hopper in parallel. The novel dust removal pipeline tobacco shred recycling and conveying device is arranged between an outlet of a first-stage separation device and an inlet of a second-stage separation device, the inlet of the first-stage separation device is led to a tobacco shred conveying system from a dust removal pipeline, and an outlet of the second-stage separation device is led to the tobacco shred conveying system. The short tobacco shreds and the dust are reliably conveyed from the primary separation device to the secondary separation device by utilizing sufficient and stable negative pressure, so that the hidden danger of blockage is eliminated, and a certain buffer storage capacity is achieved.
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