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A kind of composite coal preparation flotation agent and preparation method thereof

A flotation agent and coal preparation technology, applied in flotation, solid separation, etc., can solve the problems that cannot meet the requirements of flotation production in coal preparation plants, the preparation process of composite flotation agents is complicated, and the collection performance is not strong. Achieve the effects of saving fossil energy consumption, excellent foam stabilization effect, and enhanced collection

Active Publication Date: 2019-04-19
HEILONGJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a composite coal preparation flotation agent, which solves the complex preparation process, poor collection performance and poor stability of the composite flotation agent in the prior art, which cannot meet the flotation production requirements of various coal preparation plants. asked questions

Method used

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  • A kind of composite coal preparation flotation agent and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0020] A compound coal preparation flotation agent, the preparation raw material is composed of the following components in parts by weight: 20 parts of kerosene, 15 parts of cotton oil fatty acid, 5 parts of N-chlorosuccinimide, hydrolyzed silk sodium lauroyl ester 1.5 parts, 0.15 parts of silicone resin polyether emulsion, 1.5 parts of octylphenol polyoxyethylene ether, 0.2 parts of benzamide, 42 parts of water.

[0021] Specifically follow the steps below:

[0022] Step 1, weigh 20 parts of kerosene, 15 parts of cotton oil fatty acid, 5 parts of N-chlorosuccinimide, 1.5 parts of hydrolyzed silk sodium lauroyl ester, 0.15 parts of silicone resin polyether emulsion, octylphenol polyoxyethylene 1.5 parts of ether, 0.2 parts of benzamide, 42 parts of water;

[0023] Step 2, mix the cotton oil fatty acid, N-chlorosuccinimide and benzamide weighed in step 1, and then heat and reflux at 80°C for 5 hours, and let it stand for 2 hours after the reaction to obtain the synthetic capt...

Embodiment 2

[0028] A compound coal preparation flotation agent, the preparation raw materials of which are composed of the following components in parts by weight: 25 parts of kerosene, 10 parts of cotton oil fatty acid, 3 parts of N-chlorosuccinimide, sodium lauroyl ester hydrolyzed silk 1 part, 0.1 part of silicone resin polyether emulsion, 2 parts of octylphenol polyoxyethylene ether, 0.1 part of benzamide, 40 parts of water.

[0029] The preparation method is the same as that of Example 1, except that the formula is changed into that of Example 2.

Embodiment 3

[0031] A composite coal preparation flotation agent, the preparation raw materials of which are composed of the following components in parts by weight: 30 parts of kerosene, 10 parts of cotton oil fatty acid, 2 parts of N-chlorosuccinimide, hydrolyzed silk sodium lauroyl ester 2 parts, 0.2 parts of silicone resin polyether emulsion, 1 part of octylphenol polyoxyethylene ether, 0.15 parts of benzamide, 45 parts of water.

[0032] The preparation method is the same as in Example 1, except that the formula is changed into that of Example 3.

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Abstract

The invention discloses a composite coal-dressing floating reagent. The composite coal-dressing floating reagent consists of the following components in parts by weight: 20-30 parts of kerosene, 10-15 parts of cotton oil fatty acid, 2-5 parts of N-chlorosuccinimide, 1-2 parts of lauroyl hydrolyzed silk sodium, 0.1-0.2 part of silicon resin polyether emulsion, 1-2 parts of octaphenyl polyoxyethyiene, 0.1-0.2 part of benzoyl amide and 40-45 parts of water. The invention further provides a preparation method for the composite coal-dressing floating reagent. The composite coal-dressing floating reagent disclosed by the invention is strong in water solubility, and is good in drug function play; and compared with a conventional composite coal-dressing floating reagent, the composite coal-dressing floating reagent is more efficient in foaming, is better in collecting performance, is better in argillization resistance, is more stable in property; moreover, foams are not liable to adhere, and are easy to dissipate; and the composite coal-dressing floating reagent is strong in adaptation, is high in floating speed, is convenient to use, and has a wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of flotation agents, and in particular relates to a composite coal preparation flotation agent and a preparation method thereof. Background technique [0002] Flotation is widely used in fine-grained coal separation in coal preparation. Commonly used flotation agents include collectors, foaming agents, etc., and domestic research on flotation agents is mostly focused on the synthesis, development and production of high-efficiency foaming agents. applications, etc., but less research on collectors. In recent years, the application of flotation has a tendency to expand, not only for the separation of coking coal, but also in some coal preparation plants that produce anthracite for blast furnace injection, and the demand for flotation agents is also increasing. Generally, coal preparation plants are accustomed to using light diesel oil and kerosene as collectors for coal slime flotation, which are characterize...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03D1/018B03D101/02B03D101/04B03D103/08
CPCB03D1/018B03D2201/02B03D2201/04B03D2203/08
Inventor 刘静宇徐涛李岳姝
Owner HEILONGJIANG UNIV OF TECH
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