Separated double-layer rotary drum spiral screening device and method

A spiral sieve and separation technology, which is applied to the screening of strip materials and the field of screening devices after straw pulverization, can solve the problems of not overcoming the rotational speed of the trommel screen, the difficulty of screening straw materials, and the inability to independently control the rotational speed, etc. High screening efficiency, good adaptability and easy bonding

Inactive Publication Date: 2015-01-07
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the two screen surfaces of the double cylinder screen cannot independently control the speed, which belongs to the structural improvement of the drum screen, and has not overcome the shortcomings of ...

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  • Separated double-layer rotary drum spiral screening device and method
  • Separated double-layer rotary drum spiral screening device and method
  • Separated double-layer rotary drum spiral screening device and method

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Embodiment Construction

[0040] The technical solution of the present invention will be described in further detail below in combination with specific embodiments and accompanying drawings.

[0041] Such as figure 1 and figure 2 As shown, the device of the present invention is composed of an inner layer sieve cylinder 3, an outer layer sieve cylinder 5, a long material collection shell 41, a short material collection shell 42 and a support 1, and the inner layer sieve cylinder 3 is coaxially installed on the outer layer sieve cylinder 5 Inside, the inner sieve cylinder 3 and the outer sieve cylinder are independently driven by motors installed on the bracket 1.

[0042] Such as figure 1 As shown, the support 1 includes a support column 14 at the bottom and a support plate 13 above it, the support plate 13 is connected with a motor mounting frame 11, and the motor mounting frame 11 is equipped with a main drive motor connected to the inner screen cylinder 3 21. The shell 12 is connected to the su...

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Abstract

The invention discloses a separated double-layer rotary drum spiral screening device and method and relates to the field of agricultural machinery. The separated double-layer rotary drum spiral screening device consists of an inner-layer screen drum, an outer-layer screen drum, a long material collecting casing, a short material collecting casing, a support and the like, wherein the inner-layer screen drum is coaxially installed in the outer-layer screen drum, the inner-layer screen drum and the outer-layer screen drum are driven by a motor installed on the support. The separated double-layer rotary drum spiral screening method includes the circulating steps of charging, coarse screening, fine screening and discharging. The separated double-layer rotary drum spiral screening device has the advantages of being less prone to blockage, high in screening efficiency, compact in structure, low in vibration, noise and environmental pollution and the like and can be applied to screening of straw and other strip-shaped materials.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to a screening device for crushed straw, which is mainly used for screening strip materials such as straw. Background technique [0002] At present, the commonly used screening equipment in agricultural machinery includes vibrating screens, cyclone separators, drum screens and spiral screens. Vibrating screens are noisy, and the equipment is heavy, and it is not easy to go deep into the field; the screening effect of the cyclone separator is not good, and the sealing is poor, and the environmental dust pollution is serious during use; the drum screen has low vibration and noise, and the material Good adaptability, but the speed is slow and the processing capacity is low. At the same time, when the moisture content of the straw is high, it is easy to stick and agglomerate. When using a single-layer sieve for screening, the screening quality will decrease if the sieve is large, a...

Claims

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Application Information

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IPC IPC(8): B07B1/24B07B1/46B07B1/42
CPCB07B1/24B07B1/42B07B1/4663
Inventor 陈成张西良石云飞吴硕徐云峰李萍萍张世庆李伯全
Owner JIANGSU UNIV
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