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Precision control method for industrial soluble sodium silicate modulus

A technology of instant sodium silicate and control method, applied in electrical program control, program control in sequence/logic controller, chemical analysis by titration method, etc. There is no system optimization and other problems in the number of processes, so as to avoid accurate calculation results, ensure consistent alkalinity, and eliminate titration errors.

Inactive Publication Date: 2019-09-13
洛阳市奇航化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem that the modulus of different batches of instant sodium silicate differs greatly due to the lack of system optimization in the modulus adjustment process in the background technology, and achieve the purpose of stably controlling the modulus of industrial instant sodium silicate, the present invention provides a method A kind of precise control method of industrial instant sodium silicate modulus

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A precise control method for the modulus of industrial instant sodium silicate. In the modulus adjustment process, first determine the expected modulus value of sodium silicate to be 2.3±0.002, and then use the calculation method of matching high and low modulus sodium silicate commonly used in the industry Calculate the amount of high-modulus sodium silicate and low-modulus sodium silicate required to achieve the desired modulus. This process uses a computer to perform accurate and efficient calculations, and then separately adjust the high-modulus sodium silicate and low-modulus sodium silicate. Sodium silicate is used for weighing, and high-precision weighing equipment is used in the weighing process, which is changed from traditional volume weighing to mass weighing, and under ton-level weighing, the weighing accuracy is improved to kilograms, and the weighing After the high-modulus sodium silicate and low-modulus sodium silicate are fully mixed, prepare for titratio...

Embodiment 2

[0082] A precise control method for the modulus of industrial instant sodium silicate. In the modulus adjustment process, first determine the expected modulus value of sodium silicate to be 2.3±0.002, and then use the calculation method of matching high and low modulus sodium silicate commonly used in the industry Calculate the amount of high-modulus sodium silicate and low-modulus sodium silicate required to achieve the desired modulus. This process uses a computer to perform accurate and efficient calculations, and then separately calculates the high-modulus sodium silicate and low-modulus sodium silicate. Sodium silicate is used for weighing, using high-precision weighing equipment in the weighing process, changing from traditional volume weighing to mass weighing, and under ton-level weighing, the weighing accuracy is improved to kilograms, and the weighing After the high-modulus sodium silicate and low-modulus sodium silicate are fully mixed, prepare for titration to detec...

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PUM

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Abstract

The invention discloses a precision control method for an industrial soluble sodium silicate modulus. The control method comprises the following steps: automatically calculating dosages of high-modulus sodium silicate and low-modulus sodium silicate by a computer, then weighing by weighing equipment with the accuracy of kilograms, mixing high-modulus sodium silicate and low-modulus sodium silicate, detecting the content of sodium oxide in a finished product by using a standard hydrochloric acid solution and methyl red, then adding sodium fluoride and the standard hydrochloric acid solution, determining the content of silicon dioxide through standard sodium hydroxide titration detection, calculating a modulus of the finished product, comparing the modulus of the finished product with an expected modulus, and also comparing moduluses among different batches. According to the precision control method, the blank of a control method for industrial soluble sodium silicate modulus domestically is filled firstly, moreover, through the method that alkaline deviation caused by sodium fluoride is eliminated by mixing sodium fluoride to be used and a unified titration end point is determined by using a PH detection pen, the industrial soluble sodium silicate moduluses among different batches are precisely controlled near a certain expected value, and simultaneously, the error of modulus values among different batches is reduced.

Description

technical field [0001] The invention belongs to the technical field of industrial instant sodium silicate production, and specifically relates to a method for precisely controlling the modulus of industrial instant sodium silicate. Background technique [0002] The main component of industrial instant sodium silicate is Na 2 O nSiO 2 , also known as sodium silicate, water glass. Sodium natrium is used in many fields. It is used as a builder in detergents; it is used as an activator in fly ash cement to improve the activity of fly ash, thereby increasing the compressive strength of fly ash admixture cement and flexural strength, it can also be used as a quick-drying agent and reinforcing agent for ordinary cement; sodium silicate can also be used as a binder for kiln gunning materials, castables, acid-resistant cement and other unshaped refractory materials, foundry industry, The mixture of ceramic industry, paint industry and thermal insulation materials, etc. [0003] T...

Claims

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Application Information

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IPC IPC(8): G01N31/16G05B19/04
CPCG01N31/16G05B19/04
Inventor 李霆云王玉城李灵波李翔姜薇候杰君
Owner 洛阳市奇航化工有限公司