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Roller press with pre-pressing function

A technology of roller press and function, applied in the field of roller press, can solve the problems of severe vibration of roller press, anchor bolts, fracture of key parts of roller shaft, fluctuation of material layer thickness of roller press, etc.

Pending Publication Date: 2021-09-10
NANJING KISEN INT ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the final grinding system of the roller press, a large amount of semi-finished fine powder needs to be returned to the roller press to continue grinding, but because the fine powder contains more air, the existing roller press is grinding the fine powder The reason is that the air between the fine powder escapes during extrusion, which causes large fluctuations in the thickness of the roller press material layer, in addition to causing poor operating stability and low operating rate of the roller press. In addition, it will cause severe vibration of the roller press, and in severe cases, it will cause breakage of key components such as anchor bolts and roller shafts, which will cause serious production accidents, and further improvement is needed

Method used

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Embodiment Construction

[0015] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change acc...

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Abstract

The invention relates to a roller press with a pre-pressing function. The roller press with the pre-pressing function comprises a main body, a rack arranged at a charging hole of the main body and a plurality of charging devices arranged on the rack, wherein a pre-pressing mechanism is further arranged on the rack; and the pre-pressing mechanism comprises a hydraulic cylinder fixed to the bottom of the rack, a driving roller transversely and rotatably fixed to a telescopic end of the hydraulic cylinder, a main fixed roller rotatably fixed to the bottom of the rack and arranged at the right side of the driving roller in parallel, a driving roller driving assembly arranged at the rear side of the rack and capable of driving the driving roller to rotate, and a main fixed roller driving assembly arranged at the rear side of the rack and capable of driving the main fixed roller to rotate. According to the invention, violent vibration generated when the roller press grinds fine powder can be effectively avoided, then the operation stability of the roller press is remarkably improved so as to increase the operation rate, the phenomenon that key components such as foundation bolts and roller shafts are broken due to the violent vibration of the roller press is effectively prevented, and therefore serious production accidents are thoroughly avoided.

Description

technical field [0001] The invention relates to a roller pressing machine with pre-pressing function. Background technique [0002] At present, in the grinding system for preparing cement, the final grinding system composed of roller press, V-type classifier and fine classifier has the characteristics of low energy consumption and convenient operation, so it is widely used in the cement industry. [0003] In the final grinding system of the roller press, a large amount of semi-finished fine powder needs to be returned to the roller press to continue grinding, but because the fine powder contains more air, the existing roller press is grinding the fine powder The reason is that the air between the fine powder escapes during extrusion, which causes large fluctuations in the thickness of the roller press material layer, in addition to causing poor operating stability and low operating rate of the roller press. In addition, it will cause the roller press to vibrate violently, a...

Claims

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Application Information

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IPC IPC(8): B02C4/02B02C4/28B02C4/42
CPCB02C4/02B02C4/286B02C4/42
Inventor 赵俊张军曹昌胜李立华腾飞张志红金文赵
Owner NANJING KISEN INT ENG
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