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Cement flue gas desulfurizer and its application

A technology of desulfurization agent and desulfurization auxiliary agent, which is applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., to achieve the effects of increasing output, improving grinding conditions, and good grinding effect.

Active Publication Date: 2020-08-04
湖南昌迪环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Paper mill sulfite waste liquid and soap waste liquid are also industrial waste lye with high yield, and the application of the two in cement flue gas desulfurization is rarely reported

Method used

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  • Cement flue gas desulfurizer and its application
  • Cement flue gas desulfurizer and its application
  • Cement flue gas desulfurizer and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment SA1

[0059] Liquid A (100 parts by weight) was mixed with raw meal to be ground with cement at a ratio of 0.08% by weight for raw meal grinding and calcination. The specific conditions and results are shown in Table 1 and Table 2.

Embodiment SA2

[0061] Liquid A (100 parts by weight) was mixed with raw meal to be ground with cement at a ratio of 0.2% by weight for raw meal grinding and calcination. The specific conditions and results are shown in Table 1 and Table 2.

Embodiment SA3

[0063] Add liquid A (100 parts by weight) to 20 parts by weight of sodium hydroxide as a cement flue gas desulfurizer, and mix cement with raw meal to be ground in a proportion of 0.3% by weight for raw meal grinding and calcination. For specific conditions and results, see Table 1 and Table 2.

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Abstract

The disclosure relates to a cement flue gas desulfurizer and application thereof. The cement flue gas desulfurizer comprises an industrial waste alkaline liquid and a desulfurization aid. The industrial waste alkaline liquid can be applied herein to cement flue gas desulfurization.

Description

technical field [0001] The disclosure relates to a cement flue gas desulfurizer and an application thereof. Background technique [0002] Cement production is an industry with low energy utilization rate and high energy consumption. my country's cement output in 2016 was 2.3 billion tons, accounting for more than half of the global output. The cement production process is divided into three stages, that is, calcareous raw materials, clay raw materials, and a small amount of corrected raw materials (a certain amount of coal is also added to shaft kiln production). After crushing or drying, they are blended in a certain proportion, ground, and Preparation of raw meal with suitable composition and uniform quality is called the first stage: raw meal grinding; then the ground raw meal is added to the cement kiln to be calcined until it is partially melted, and the cement clinker with calcium silicate as the main component is obtained. The raw material is called the second stage:...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/42C04B7/36B01D53/78B01D53/50
Inventor 钱文斌蒋卫和
Owner 湖南昌迪环境科技有限公司
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