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Production method of mortar concrete admixture

A technology for mortar concrete and production methods, which is applied in the fields of organic chemistry, hydrolysis preparation, and halogen introduction preparation, etc., and can solve problems such as complicated process and difficult quality control and guarantee

Active Publication Date: 2014-01-22
NINGBO HUANYANG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the process is complicated and the quality is difficult to control and guarantee

Method used

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  • Production method of mortar concrete admixture
  • Production method of mortar concrete admixture
  • Production method of mortar concrete admixture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] Embodiment 1: the production of mortar concrete admixture

[0092] The implementation steps of this embodiment are as follows:

[0093] A. Hydrolysis reaction

[0094] Using the analysis method described in this manual, the chemical composition of the distillation residue effluent obtained by Ningbo Huanyang Chemical Co., Ltd. during the production of dichloropropanol by the glycerol method was determined, and the results are listed in Table 4.

[0095] Let the said distillation residue effluent be sent to the hydrolysis reaction kettle 3 sold by Suzhou Fadell Glass-lined Equipment Co., Ltd. under the trade name glass-lined stirring vessel by the pipeline through the pump 1, and let the 13% hydrochloric acid aqueous solution by weight be The pipeline is sent to the above-mentioned hydrolysis reaction kettle 3 through the pump 2, and the distillation residue discharge and the hydrochloric acid aqueous solution are stirred according to their weight ratio of 1:0.54 at a t...

Embodiment 2

[0106] Embodiment 2: the production of mortar concrete admixture

[0107] The implementation steps of this embodiment are as follows:

[0108] A. Hydrolysis reaction

[0109] Using the analytical method described in this manual, the chemical composition of the distillation residue effluent obtained by Ningbo Huanyang Chemical Co., Ltd. during the production of dichloropropanol by the glycerol method was determined, and the results are listed in Table 5.

[0110] Let the said distillation residue effluent be delivered by pipeline through pump 1 in the hydrolysis reactor 3 sold by Shandong Taiji Glass-lined Equipment Co. Send it to the above-mentioned hydrolysis reaction kettle 3 through the pump 2, and the distillation residue discharge and the hydrochloric acid aqueous solution are in a weight ratio of 1:0.58, under the condition of stirring at a temperature of 110°C and an anchor stirring speed of 90r / min Carry out hydrolysis reaction 16h, this hydrolysis reaction material ...

Embodiment 3

[0119] Embodiment 3: the production of mortar concrete admixture

[0120] The implementation steps of this embodiment are as follows:

[0121] A. Hydrolysis reaction

[0122] Using the analysis method described in this manual, the chemical composition of the distillation residue effluent obtained by Ningbo Huanyang Chemical Co., Ltd. during the production of dichloropropanol by the glycerin method was determined, and the results are listed in Table 6.

[0123]Let the said distillation residue effluent be sent to the hydrolysis reactor 3 sold by Suzhou Fadell Glass-lined Equipment Co., Ltd. under the trade name glass-lined stirring vessel by the pipeline through the pump 1, and let 10% hydrochloric acid by weight The aqueous solution is sent to the above-mentioned hydrolysis reaction kettle 3 through the pump 2 through the pipeline, and the distillation residue discharge and the hydrochloric acid aqueous solution are stirred at a temperature of 112 ° C and an anchor stirring s...

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Abstract

The invention relates to a production method of a mortar concrete admixture. The method adopts the distillation residue discharge obtained in the production of dichloropropanol by use of a glycerol process as a raw material, and comprises the steps of hydrolysis reaction, distillation and polymerization reaction. The method provided by the invention is simple in process and easy to operate and control; the raw material of the mortar concrete admixture is organic dangerous solid waste; harmless treatment and resource utilization are performed, the cost is low, and the mortar concrete admixture is environment-friendly.

Description

【Technical field】 [0001] The invention belongs to the technical field of polymer material production. More specifically, the present invention relates to a production method of a mortar concrete admixture. 【Background technique】 [0002] Mortar concrete admixture is a kind of admixture for improving and adjusting concrete The substance added according to its performance is an industrial substance that is added when concrete and mortar are mixed or before mixing. products such as waterproofing agents that reduce the water permeability of mortared concrete under hydrostatic pressure. The use of mortar concrete admixture makes mortar and concrete have the functions of reducing water, strengthening, high-efficiency anti-seepage, slowing setting and saving cement. More and more attention has been paid to the application of concrete admixtures in engineering, and it is important to improve properties of concrete It plays a certain role, but the selection, addition method and ...

Claims

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Application Information

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IPC IPC(8): C08G69/28C04B24/12C07C31/36C07C29/62C07C29/09
Inventor 施德龙童丽燕沈作伟尚名
Owner NINGBO HUANYANG CHEM
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