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Linear vibration dewatering screening machine core for sand and gravel

A technology of linear vibration and dehydration screen, which is applied in the field of mining machinery, can solve problems such as prone to fatigue fracture, lower overall reliability of the device, and congestion in the dehydration process, so as to improve the overall dehydration rate and cleaning rate, high reliability, and reduce unsatisfactory stable effect

Inactive Publication Date: 2019-12-10
HUBEI ZHIJIANG XIAJIANG MINING MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the above patent documents, the vibrating screen has an integrated structure, which is easily affected by resonance while performing vibration dehydration and screening, and forms an orderly vibration process under the common vibration frequency, and the dehydration process becomes crowded. Moreover, the strength requirements for the vibrating net are very high, and fatigue fractures are prone to occur after long-term use, which reduces the overall reliability of the device

Method used

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  • Linear vibration dewatering screening machine core for sand and gravel
  • Linear vibration dewatering screening machine core for sand and gravel
  • Linear vibration dewatering screening machine core for sand and gravel

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Such as figure 1 As shown, a linear vibrating dehydration screening core for sand and gravel provided in this embodiment is set on the frame of the screening machine, including a support beam 0 and at least one layer of sieve plate set on the support beam 0, Each layer of sieve plate includes at least two sieve plate units 1 , and the sieve plate units 1 of the same layer are arranged in steps along the length direction of the support beam 0 .

[0030] In this embodiment, the sieve plate unit 1 is arranged in steps to obtain a staggered vibration space, and the sand materials of different weights and momentums are layered in a certain space to realize multiple vibrations of the sand materials and increase the probability of collision. The falling water droplets form a liquid film on the surface of the sieve plate, prolonging the water retention time, effectively colliding and adsorbing impurities, thereby improving the dehydration rate and cleaning rate of the sand in t...

Embodiment 2

[0032] Such as Figure 2 to Figure 5 As shown, on the basis of Example 1, the sieve plate unit 1 includes an upper sieve plate 11, a connecting column 13 and a lower sieve plate 12, the upper sieve plate 11 is provided with several upper sieve holes 111, and the lower sieve plate 11 The sieve plate 12 is provided with a plurality of lower sieve holes 121 , and the upper sieve holes 111 and the lower sieve holes 121 are provided in one-to-one correspondence and communicated one by one through connecting columns 13 .

[0033] In this embodiment, the sieve plate unit 1 is arranged in layers to decompose the vibration pressure into each layer, creating a disordered vibration state, and water and impurities flow out from the upper sieve hole 111 and the lower sieve hole 121, improving the overall dehydration rate And cleaning rate, reducing the instability caused by resonance.

Embodiment 3

[0035] In order to further improve the stability of the structure, on the basis of Embodiment 2, the connecting posts 13 are respectively in interference fit with the upper mesh hole 111 and the lower mesh hole 121 .

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Abstract

The invention discloses a linear vibration dewatering screening machine core for sand and gravel. The linear vibration dewatering screening machine core is arranged on a rack of a screening machine and includes a support beam and at least one layer of sieve plate arranged on the support beam, each layer of sieve plate includes at least two sieve plate units, and the sieve plate units on the same layer are arranged stepwise in the length direction of the support beam; the sieve plate units are arranged stepwise to form an irregular vibration space; and meanwhile, the sieve plate units are arranged in a layered manner to decompose vibrating pressure to all layers, a disordered vibration state is created, the overall dehydration rate and cleaning rate are improved, the instability caused by resonance is reduced, the reliable structure improvement of the layered sieve plate units is further carried out, and a vibration structure with the high reliability is obtained.

Description

technical field [0001] The invention relates to the technical field of mining machinery, in particular to a linear vibration dehydration and screening core for sand and gravel. Background technique [0002] Sand washing machine is a washing equipment for sand and gravel (artificial sand, natural sand). The difference in principle, the existing sand washing machine can be divided into spiral sand washing machine, drum sand washing machine and wheel bucket sand washing machine. Most sand washing production lines will use wheel bucket sand washing machine or spiral sand washing machine together with dewatering screen and fine sand recovery machine to realize sand cleaning and dehydration, and recover fine sand to reduce losses; however, this kind of production line The required production space is large, the energy consumption is large, the maintenance cost is high, and when it is used for fine sand cleaning, the cleaning degree is not high. [0003] In order to solve the afo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B1/28B07B1/46B08B3/10
CPCB07B1/28B07B1/46B08B3/10
Inventor 陈学才
Owner HUBEI ZHIJIANG XIAJIANG MINING MASCH CO LTD