Composition for improving settling effect of solid particles, dense synergist comprising the same, preparation method and application

A technology for solid particles and compositions, which is applied in the field of thickening synergists and compositions for improving the sedimentation effect of solid particles, can solve the problems such as the underflow concentration of the thickener needs to be improved, and achieves easy industrial application, improved underflow concentration, and less dosage. Effect

Active Publication Date: 2020-04-07
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the underflow concentration of the existing thickener needs to be improved, the invention provides a composition for improving the settling effect of solid particles

Method used

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  • Composition for improving settling effect of solid particles, dense synergist comprising the same, preparation method and application
  • Composition for improving settling effect of solid particles, dense synergist comprising the same, preparation method and application

Examples

Experimental program
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Effect test

Embodiment 1

[0029] 1. Material preparation

[0030] Weigh each component according to the following parts by mass: 36 parts of complexing components, 27 parts of air-entraining components, 27 parts of dispersion components, and 9 parts of linear ionic polymer components;

[0031] Wherein, the complexing component is tetrasodium hydroxyethylidene diphosphonate, the air-entraining component is diethanol monoisopropanolamine, and the dispersing component is maleic acid acrylic acid copolymer sodium salt with a mass ratio of 3:1:1, The mixture of polyethylene glycol monomethyl ether and sodium polyaspartate, the linear ionic polymer component is sodium p-aminobenzenesulfonate-formaldehyde-phenol copolymer.

[0032] 2. Mixing

[0033] Mix maleic acid acrylic acid copolymer sodium salt, polyethylene glycol monomethyl ether and sodium polyaspartate according to the above mass ratio, then add sodium p-aminobenzenesulfonate and mix well, then add hydroxyethylidene diphosphonic acid tetra Sodium ...

Embodiment 2

[0037] 1. Material preparation

[0038] Weigh the components according to the following parts by mass: 17 parts of complexing components, 17 parts of air-entraining components, 50 parts of dispersion components, and 17 parts of linear ionic polymer components;

[0039] Among them, the complexing component is polyether polyamino methylidene phosphoric acid (PAPEMP), the air-entraining component is diethanol monoisopropanolamine, and the dispersing component is sodium maleic acid acrylic acid copolymer with a mass ratio of 4:2:1 A mixture of salt, polyethylene glycol monomethyl ether and sodium polyaspartate, the linear ionic polymer component is fatty acid methyl ester polyoxyethylene ether (FMEE).

[0040] 2. Mixing

[0041] Mix the maleic acid acrylic acid copolymer sodium salt, polyethylene glycol monomethyl ether and sodium polyaspartate according to the above mass ratio, then add FMEE and mix well, then add PAPEMP and diethanol monoisopropanolamine, mix well , to obtain ...

Embodiment 3

[0045] 1. Material preparation

[0046] Weigh the components according to the following parts by mass: 37.5 parts of complexing components, 25 parts of air-entraining components, 25 parts of dispersion components, and 12.5 parts of linear ionic polymer components;

[0047] Wherein, the complexing component is tetrasodium hydroxyethylidene diphosphonate, the air-entraining component is diethanol monoisopropanolamine, and the dispersing component is maleic acid acrylic acid copolymer sodium salt with a mass ratio of 3:1:1, A mixture of polyethylene glycol monomethyl ether and sodium polyaspartate, and the linear ionic polymer component is sodium p-aminobenzenesulfonate.

[0048] 2. Mixing

[0049] Mix maleic acid acrylic acid copolymer sodium salt, polyethylene glycol monomethyl ether and sodium polyaspartate according to the above mass ratio, then add sodium p-aminobenzenesulfonate and mix well, then add hydroxyethylidene diphosphonic acid tetra Sodium and diethanol monoisopr...

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Abstract

The invention relates to the technical field of mine filling, and specifically discloses a composition for improving the setting effect of solid particles, a thickening synergist containing the same,and a preparation method and applications thereof. The composition comprises following components in parts by weight: 16 to 38 parts of complexing component, 14 to 27 parts of air entraining component, 24 to 51 parts of dispersing component, and 9 to 22 parts of linear ionic polymer component; the dispersing component is composed of maleic acid-acrylic acid copolymer sodium salt, polyethylene glycol monomethyl ether, and sodium of polyaspartic acid according to a mass ratio of (2-4): (1-2): 1; and the mass ratio of the dispersing component to the linear ionic polymer component is 2-3:1. The provided composition can destroy the floccules structure to release free water and increase the solid concentration after settlement; and can be used to increase the concentration of underflow of a thickening machine. All components are mixed and dissolved to prepare a solution with a concentration of 10 to 20%; the preparation method is simple, and the composition is convenient to use.

Description

technical field [0001] The present invention relates to the technical field of mine filling, in particular to a composition for improving the sedimentation effect of solid particles, an application of the composition, a thickening synergist comprising the composition, and a preparation method and use method thereof. Background technique [0002] In the field of mine filling, the dehydration process centered on the thickener is an important tailings dehydration and concentration process. By densely dewatering the low-concentration tailings slurry discharged from the concentrator, a high-concentration tailings slurry is formed, which provides a material basis for the subsequent mixing and pulping and pipeline transportation. Only by producing high-concentration tailings slurry can a qualified paste filling material be prepared. Therefore, the quality of the tailings thickening effect directly determines the quality of the paste filling. [0003] The paste thickener utilizes t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D21/01
Inventor 刘娟红周茜吴爱祥王洪江王少勇王贻明王勇张广田
Owner UNIV OF SCI & TECH BEIJING
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