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Fine sand recovery device

A recovery device and fine sand technology, applied in the direction of solid separation, wet separation, chemical instruments and methods, etc., can solve the problems of coarse fineness modulus of finished sand and low stone powder content, and achieve the solution of coarse fineness modulus , the effect of reducing the amount of loss

Inactive Publication Date: 2011-04-06
ZHEJIANG ZHEKUANG HEAVY IND CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is to provide a fine sand recovery device with a novel structure, uniqueness and stable operation, which not only improves the ability of the equipment to recover fine sand, but also can effectively reduce the loss of fine sand, so that it can be controlled at 5-10% It also solves the problem that the fineness modulus of the finished sand is relatively coarse and the content of stone powder is relatively low in the artificial aggregate processing system.

Method used

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Embodiment Construction

[0016] Such as Figures 1 to 2 Shown is a schematic structural view of an embodiment of the present invention, a fine sand recovery device, including a support 1, and a storage tank 2 that is respectively arranged on the support to store sewage and a return tank 3 that stores mortar after centrifugal classification. The upper part of the material box is provided with an overflow port 21, and the return material box is provided with a drainage pipe 31 to communicate with the material storage box. , the water inlet end is higher than the water outlet end; a sand-water separation device 4 is arranged above the material storage box, a cyclone 5 is arranged on the return material box, and the front end outlet 51 of the cyclone is arranged above the sand-water separation device, and the cyclone The rear end outlet 52 communicates with the return material box, and a polyurethane lining is provided inside the cyclone; a slurry machine 6 for conveying mortar is also provided below the ...

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Abstract

The invention discloses a fine sand recovery device comprising a support frame, a material storage box and a material returning box, wherein the material storage box storing sewage and the material returning box storing mortar subjected to centrifugal classification are respectively arranged on the support frame; a sand-water separating device is arranged above the material storage box; the material returning box is provided with a swirler; a front-end outlet of the swirler is arranged above the sand-water separating device, and a rear-end outlet of the swirler is communicated with the material returning box; a slurry delivering machine is arranged below the swirler and is driven by a motor; and a delivery pipeline communicated to the upper end of the swirler is arranged on the slurry delivering machine. The fine sand recovery device has novel and unique structure, is stable in operation, not only enhances the fine sand recovery capacity of equipment, effectively reduces the loss quantity of fine sands and enables the loss quantity to be controlled within 5-10 percent, but also well solves the problems of excessively coarse fineness moldulus and excessively low stone powder content of finished sands, which are generated in an artificial aggregate processing system.

Description

technical field [0001] The invention relates to a fine sand recovery device. Background technique [0002] At present, most of the existing artificial sand production lines adopt wet processing production technology. In the traditional artificial sand wet processing technology, the mud washing and dehydration of artificial sand use spiral sand washing machines, and the loss of artificial sand, especially fine sand, is almost impossible. Control, its disadvantage is that the fine sand with a particle size below 0.16mm is seriously lost, and some even exceed 20%, resulting in unreasonable gradation and coarse fineness modulus. Contents of the invention [0003] The problem to be solved by the present invention is to provide a fine sand recovery device with a novel structure, uniqueness and stable operation, which not only improves the ability of the equipment to recover fine sand, but also can effectively reduce the loss of fine sand, so that it can be controlled at 5-10% I...

Claims

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Application Information

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IPC IPC(8): B03B5/34
Inventor 陈立波
Owner ZHEJIANG ZHEKUANG HEAVY IND CO LTD
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