Multi-stage screening device

A screening device and sieve plate technology, applied in the direction of sieve, solid separation, grille, etc., can solve the problems of inability to adjust materials with different particle sizes, increase the labor intensity of operators, affect production efficiency, etc., and increase the effective sieve. The effect of dividing area, high screening efficiency and simple structure

Inactive Publication Date: 2018-01-16
夏小雨
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the sieve apertures of each layer of the vibrating screen are fixed, the gradation of materials with different particle sizes cannot be adjusted during the production process. When the gradation needs to be adjusted, part of the si

Method used

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  • Multi-stage screening device
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Example Embodiment

[0019] The present invention will be further described below in conjunction with the drawings and specific embodiments:

[0020] Such as figure 1 , figure 2 As shown, a multi-stage screening device includes a screen box 1 in which a plurality of screen plates 2 are arranged, the screen plates 2 are arranged obliquely and parallel to each other, and the screen plates 2 are provided with multiple screen plates 2 There are two evenly distributed sieve holes. Each sieve plate 2 is provided with a feed port 3 above the higher side, and each feed port 3 is provided with a valve 4, and each feed port 3 is connected to each other through a connecting pipe. The main feed pipe 5 is connected, and the side of the screen box 1 is also provided with a plurality of discharge ports 11 corresponding to each sieve plate 2, and the top of each sieve plate 2 is provided with a blanking plate 6. The plate 6 includes a receiving part 7 and a dispersing part 8. The receiving part 7 is rectangular, t...

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Abstract

The invention discloses a multi-stage screening device. The device comprises a screening tank, wherein a plurality of screening plates are arranged in the screening tank, and are arranged in an inclined and parallel manner; a plurality of screening holes are formed in each screening plate and are uniformly distributed; a feeding opening is formed above the higher side of each screening plate, is provided with a valve, and is connected with a main feeding pipe through a connecting pipe; a plurality of discharge openings corresponding to the screening plates are formed in the side face of the screening tank; a discharging blanking plate is arranged at the top end of each screening plate, and comprises a rectangular material receiving part and a ladder-shaped dispersing part; the bottom endsof the dispersing parts are connected with the screening plates; baffles are arranged on two sides of the material receiving parts and dispersing parts; each material receiving part is positioned under the corresponding feeding opening; and a plurality of separators are arranged on the dispersing parts and are distributed in a sector shape. The multi-stage screening device has a simple structure,strong adaptability and high screening efficiency.

Description

technical field [0001] The patent of the present invention relates to the field of mechanical processing, in particular to a multi-stage screening device. Background technique [0002] The vibrating screen is a kind of vibrating screening mechanical equipment suitable for screening fine-grained difficult-to-sieve materials and screening through the vibrator to drive the screen frame. It can screen and select stones, ores or chemical powders. Vibrating screens It has the technological characteristics of large amplitude, large vibration intensity, low frequency and elastic screen. [0003] The vibrating screen in the prior art includes a screen box and a multi-layer screen installed in the screen box. Each layer of screen is equipped with screen holes from the receiving end to the discharge end. The screen from the upper screen to the lower screen The hole size also gradually decreases. Taking the common three-layer screen vibrating screen in the prior art as an example, mat...

Claims

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Application Information

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IPC IPC(8): B07B1/28B07B1/42B07B1/46
Inventor 夏小雨
Owner 夏小雨
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