Preparation method of magnesite powder briquetting binding agent

A magnesite powder and magnesite technology, which is applied in the field of preparation and magnesite agglomeration binder, can solve the problems of poor magnesite agglomeration effect and inconvenient use of the binder, and achieves ideal shape, Simple preparation method and scientific formula effect

Inactive Publication Date: 2014-12-10
NORTHEASTERN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to propose a magnesite agglomerating adhesive for the above-mentioned existing magnesite agglomerating adhesive which is inconvenient to use and leads to a poor effect of magnesite agglomerating. The formula is scientific and reasonable, and the magnesite agglomeration can be completed by using only one reagent of the binder, which simplifies the preparation process of magnesium oxide sintered body target and improves the production efficiency

Method used

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  • Preparation method of magnesite powder briquetting binding agent
  • Preparation method of magnesite powder briquetting binding agent
  • Preparation method of magnesite powder briquetting binding agent

Examples

Experimental program
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Effect test

Embodiment 1

[0026] This embodiment discloses a binder for magnesite agglomeration, which specifically includes the following components by weight:

[0027]

[0028] Wherein, the dispersant is polyvinyl butyral; the surfactant is sodium dodecylbenzene sulfonate; the defoaming agent is glycerin; the binder is sodium methyl cellulose; the release agent is magnesium stearate. The auxiliary reagent used in this embodiment to promote co-dissolution is ethanol.

[0029] The preparation method of the above-mentioned magnesite agglomerate binder includes the following steps: mixing and dissolving the components according to the weight ratio at 90° C. to obtain the magnesite agglomerate binder.

[0030] The use of the magnesite agglomerating binder described in this example in magnesite agglomeration includes mixing and kneading magnesite powder and magnesite agglomerating binder according to a weight ratio of 100:5 , Pressing and molding to obtain magnesite pellets. When magnesite powder is m...

Embodiment 2

[0032] This embodiment discloses a binder for magnesite agglomeration, which specifically includes the following components by weight:

[0033]

[0034] Among them, the dispersant is polyvinyl butyral; the surfactant is sodium dodecylbenzene sulfonate; the defoamer is octanol; the binder is sodium methylcellulose and polyethylene glycol 1::1 mixture (mass); the release agent is calcium stearate. The auxiliary reagent promoting co-dissolution in this embodiment is ethanol.

[0035] The preparation method of the above magnesite agglomerate binder includes the following steps: mixing and dissolving the components according to the weight ratio at 70° C. to obtain the magnesite agglomerate binder.

[0036] The application of the magnesite agglomerate binder in the magnesite agglomeration process comprises mixing, kneading, and pressing the magnesite powder and the magnesite agglomerate binder according to a weight ratio of 100:10 to obtain Magnesite pellets. When the magnesit...

Embodiment 3

[0038] This embodiment discloses a binder for magnesite agglomeration, which specifically includes the following components by weight:

[0039]

[0040] Among them, the dispersant is polyvinyl butyral; the surfactant is sodium dodecylbenzenesulfonate; the defoamer is glycerin and octanol; the binder is sodium methylcellulose; the release agent is stearin A mixture of magnesium stearate, calcium stearate and sodium stearate. In this embodiment, the auxiliary reagents for promoting co-dissolution are ethanol and methanol, and the mass ratio of ethanol and methanol is 1:1.

[0041] The preparation method of the magnesite agglomeration binder in this embodiment includes the following steps: mixing and dissolving the components according to the weight ratio at 100° C. to obtain the magnesite agglomeration binder.

[0042] The application of the magnesite agglomeration binder in the magnesite agglomeration of this embodiment includes mixing, kneading and pressing magnesite powde...

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Abstract

The invention provides a magnesite powder briquetting binding agent as well as a preparation method and application thereof. The magnesite powder briquetting binding agent is prepared from the following components in parts by weight: 3-6 parts of a dispersing agent, 2-8 parts of a surfactant, 3-6 parts of a defoaming agent, 4-10 parts of a binding agent, 4-8 parts of a demoulding agent, 35-45 parts of an auxiliary reagent capable of promoting mutual solution and 20-50 parts of water. The invention also discloses a preparation method of the magnesite powder briquetting binding agent. The preparation method of the magnesite powder briquetting binding agent comprises the following steps: mixing the components in parts by weight at the temperature of 70-100 DEG C, and dissolving to obtain the magnesite powder briquetting binding agent. The invention also discloses application of the magnesite powder briquetting binding agent in magnesite powder briquetting. The magnesite powder briquetting binding agent is scientific and reasonable in formula, magnesite powder briquetting can be completed by adopting the magnesite powder briquetting binding agent only, and magnesite pellets prepared by adopting the magnesite powder briquetting binding agent are ideal in appearance and uniform in material.

Description

technical field [0001] The invention relates to magnesite smelting technology, in particular to a magnesite agglomerate binder, a preparation method and an application. Background technique [0002] China is one of the countries with relatively rich magnesite resources in the world, and the distribution is relatively concentrated. Among them, Liaoning Province has rich magnesite reserves, accounting for 85% of the national total, ranking first in the country. my country's magnesite industry has developed into a unique resource-based industry with an annual output of 15 million tons of magnesia and its products, ranking first in the world. [0003] With the reduction of high-grade magnesite resources, low-grade magnesite is made into pellets after crushing, flotation and impurity removal, and then put into smelting. In the existing magnesite agglomeration process, firstly, the magnesite powder should be prepared into a slurry; then through drying equipment, a spherical powde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/244
Inventor 孙挺王林山韩丹崔俊峰王玉红么革崔薇薇何占高刘希洋崔毅崔军闫志刚
Owner NORTHEASTERN UNIV
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