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Cement block water-based dissolving agent and preparation method thereof

A dissolving agent and cement block technology, applied in the field of functional material research and development, can solve the problems of difficult procurement, unfavorable industrial production of cement dissolving agent, and inability to store large quantities for a long time, and achieve simple preparation process and strong cement dissolving ability Effect

Active Publication Date: 2022-05-20
CHANGSHU INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the raw materials for the existing cement and concrete dissolvers are inseparable from strong acids and strong corrosive reagents such as sulfuric acid, hydrochloric acid, and hydrofluoric acid. Such reagents are difficult to purchase and cannot be stored in large quantities for a long time, which is not conducive to the cement dissolver industry. chemical production

Method used

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  • Cement block water-based dissolving agent and preparation method thereof
  • Cement block water-based dissolving agent and preparation method thereof
  • Cement block water-based dissolving agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1 The influence of sodium chloride and white sugar mass ratio on the performance of prepared cement block dissolving agent

[0025] Weigh the sodium chloride and Mix white sugar to get nine groups of mixed salt sugar. Mix water and mixed salt sugar according to a liquid-solid ratio of 1:1 mL / g, and stir until the mixed salt sugar is completely dissolved to obtain a mixed salt sugar solution. Adding phosphoric acid and nitric acid to the mixed salt sugar solution to obtain an acidified mixed salt sugar solution, the mass concentration of phosphoric acid in the acidified mixed salt sugar solution is 2.5%, and the mass concentration of nitric acid in the acidified mixed salt sugar solution is 5%. The acidified mixed salt sugar solution was introduced into the anode chamber of the electrolytic cell, and then the acidified mixed salt sugar solution was simultaneously subjected to DC electrolysis and low-temperature plasma irradiation for 1 h to obtain nine groups...

Embodiment 2

[0033] Embodiment 2 The influence of electrolytic voltage on the properties of the prepared cement block dissolving agent

[0034] According to the mass ratio of sodium chloride to white sugar 3:5, respectively, weigh sodium chloride and white sugar and mix to obtain nine groups of mixed salt sugar. Mix water and mixed salt sugar according to a liquid-solid ratio of 2:1 mL / g, stir until the mixed salt sugar is completely dissolved, and obtain nine groups of mixed salt and sugar solutions. Phosphoric acid and nitric acid are added to the mixed salt sugar solution to obtain nine groups of acidified mixed salt sugar solutions. The mass concentration of phosphoric acid in the acidified mixed salt sugar solution is 7.5%, and the mass concentration of nitric acid in the acidified mixed salt sugar solution is 10%. Nine groups of acidified mixed salt and sugar solutions were introduced into the anode chamber of the electrolytic cell, and then the acidified mixed salt and sugar soluti...

Embodiment 3

[0040] Example 3 The effect of low temperature plasma action voltage on the properties of the prepared cement block dissolving agent

[0041] According to the mass ratio of sodium chloride to white sugar of 3:5, the sodium chloride and white sugar were respectively weighed and mixed to obtain nine groups of mixed salt sugar. Mix water and mixed salt sugar according to a liquid-solid ratio of 3:1 mL / g, stir until the mixed salt sugar is completely dissolved, and obtain nine groups of mixed salt and sugar solutions. Phosphoric acid and nitric acid are added to the mixed salt sugar solution to obtain nine groups of acidified mixed salt sugar solutions. The mass concentration of phosphoric acid in the acidified mixed salt sugar solution is 12.5%, and the mass concentration of nitric acid in the acidified mixed salt sugar solution is 15%. Nine groups of acidified mixed salt and sugar solutions were introduced into the anode chamber of the electrolytic cell, and then DC electrolysi...

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Abstract

The invention discloses a cement block water-based dissolving agent and a preparation method thereof, and the cement block water-based dissolving agent is obtained by mixing sodium chloride and carbohydrates, then mixing with water, stirring and dissolving, then adding phosphoric acid and nitric acid, then introducing into an anode chamber of an electrolytic bath, and simultaneously carrying out direct current electrolysis and low-temperature plasma irradiation. The preparation process is simple, the needed raw materials are common and easy to obtain, hydrochloric acid and sulfuric acid or other substances with high corrosivity do not need to be added into the raw materials, and the prepared cement block dissolving agent is a water-based dissolving agent and is high in cement dissolving capacity.

Description

technical field [0001] The invention relates to a cement block water-based dissolving agent and a preparation method thereof, belonging to the field of research and development of functional materials. Background technique [0002] In order to shorten the construction period of houses and improve the construction efficiency, more and more construction units adopt the method of assembling concrete prefabricated (pouring) components for rapid construction. The production of concrete prefabricated (pouring) components is inseparable from concrete mixing tanks and prefabricated molds. However, if the cement concrete mixing tank and the prefabricated mold are not cleaned in time, the residual cement concrete will be consolidated in the mixing tank and the prefabricated mold. The cleaning of cement concrete-consolidated mixing tanks and prefabricated molds is very troublesome. Usually, vibration, electric rotation, high temperature baking, mechanical extrusion, etc. are used to c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G1/02C09K13/04
CPCC23G1/025C09K13/04Y02W30/91
Inventor 黄涛宋东平季润房以祥陈海强沈明宇余智恒王溅深张树文徐娇娇
Owner CHANGSHU INSTITUTE OF TECHNOLOGY
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