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Organic silicon slag exothermic and insulating riser sleeve and preparation method thereof

A thermal insulation riser sleeve and silicone technology, which is applied in the field of solid waste resource utilization, can solve the problems of restricting the popularization and application of heating risers, high price, and difficulty in the price of aluminum powder, and achieves longer solidification time, low cost, The effect of a short light-off time

Active Publication Date: 2021-12-24
HUBEI XINGRUI SILICON MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Extensive use of heating risers is of great significance to improving the quality of castings in my country and international competitiveness as well as energy saving and consumption reduction. However, the heating materials used in heating risers are mainly aluminum powder and aluminum chips. The price of aluminum powder is difficult and expensive. Limit the popularization and application of heating riser

Method used

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  • Organic silicon slag exothermic and insulating riser sleeve and preparation method thereof
  • Organic silicon slag exothermic and insulating riser sleeve and preparation method thereof
  • Organic silicon slag exothermic and insulating riser sleeve and preparation method thereof

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preparation example Construction

[0044] Based on the same inventive concept, the present application also provides a method of preparing the above-mentioned organic silicon slag fever heat insulation rings, including the following steps:

[0045] S1, organic silicon slag, oxidant, refractory aggregate, ingredient, flux, optionally aluminum powder, to obtain a mixture;

[0046] S2, adding an adhesive to the mixture and mixing a wet material;

[0047] S3, filled the wet material into the mold, and is suppressed as a rushing sleeve;

[0048] S4, after drying the riser, the silicone slag heat insulation riser.

[0049] In some embodiments, the organic silicon slag is mixed, and the organic silicon slag is also pretreated, and the pretreatment specifically includes: the silicone residue is washed with water, so that the pH is greater than 4, and then sieved after dehydration.

[0050] In some embodiments, the silicone residue is washed with water, removes the acid ions such as copper and the acidic substances such as ...

Embodiment 1

[0056] The present application provides a method for preparing an organic silicon-residual heat insulation riser, including the following steps:

[0057] S1, the silicone residue is washed with water, removes the acid ions such as copper and the acidic substances such as hydrochloric acid, so that the pH is greater than 4, the copper ion content is less than 0.5%, then dehydrated and dried under reduced pressure, then sieved to 100 ~ 200 mesh;

[0058] S2, taking 33 parts by weight of S1, the organic silicone slag, 17 parts by weight of the trihydrogen dioxide, 5 parts by weight of manganese dioxide, 33 parts by weight of the hollow boused bead, 7 parts by weight of potassium nitrate, 4 parts by weight After the potassium fluoroate is mixed and uniform, the mixture is obtained; wherein the mass fraction of 140 megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload.

[0059] S3, tak...

Embodiment 2

[0063] The present application provides a method for preparing an organic silicon-residual heat insulation riser, including the following steps:

[0064] S1, the silicone residue is washed with water, removes the acid ions such as copper and the acidic substances such as hydrochloric acid, so that the pH is greater than 4, the copper ion content is less than 0.3%, then dehydrated and dried under reduced pressure, then sieved to 100 ~ 200 mesh;

[0065] S2, take 30 parts by weight of S1 obtained by organic silicone slag, 18 parts by weight of quadric oxide, 5 parts by weight of manganese dioxide, 30 parts by weight of hollow bounter, 6 parts by weight of sodium nitrate, 5 parts by weight After the potassium fluoroate is mixed and uniform, the mixture is obtained; wherein the mass fraction of 140 megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload megadownload.

[0066] S3, take 9 parts by wei...

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Abstract

The invention provides an organic silicon slag exothermic and insulating riser sleeve and a preparation method thereof. The insulating riser sleeve comprises the following raw materials of organic silicon slag, an oxidizing agent, refractory aggregate, an ignition material, a fluxing agent and a binder. According to the organic silicon slag exothermic and insulating riser sleeve, the organic silicon slag is used as a heating agent to partially or completely replace aluminum powder and aluminum slag, so that the riser sleeve has the advantages of energy conservation and emission reduction, low cost, low ignition temperature, short ignition time, excellent heating stability, no deflagration, long heat-insulating time, easiness in storage and the like; the problems of high cost, short storage period, deflagration and the like of the existing exothermic and insulating riser are solved; and during casting, under the combined action of heating and long heat preservation, the temperature of molten metal in the riser is increased through released heat, the solidification time of the molten metal in the riser is prolonged, the feeding time is prolonged, and the metal feeding rate in the riser is greatly increased.

Description

Technical field [0001] The present invention relates to the field of solid waste resource utilization, in particular, to an organic silicon residue heat insulation riser and a preparation method thereof. Background technique [0002] Silicon slag refers to the residue obtained by a silicone by-product-organo silicone residue obtained by precipitation and hydrolysis. At present, the treatment method of silicon slag is mainly in grafting and incineration, which is easy to form environmental pollution, is a hazardous waste; and will cause waste of silicon and carbon resources. Therefore, resource is achieved while achieving harmless treatment of the silicone slag, which is of great significance for the promotion of green sustainable development of the organic silicone industry. [0003] At present, domestic and foreign industry has continuously improved the requirements of the quality of castings and production process. In casting production, the main function of the rushing and mou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D7/10
CPCB22D7/10
Inventor 卢记军钱姜兵谭世明杨磊卢鑫
Owner HUBEI XINGRUI SILICON MATERIAL CO LTD
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