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High-activation coal ash loaded nano catalytic material and synthetic process

A nano-catalytic material and nano-catalytic technology, which is applied in the field of preparation of highly activated fly ash-loaded nano-catalytic materials, can solve problems such as adding methods, unsatisfactory product dispersion, and inconspicuous catalytic effects, so as to improve the speed of material diffusion and The effect of interphase reaction speed, strength improvement and thermodynamic improvement

Inactive Publication Date: 2012-08-01
YUNNAN ZENENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention proposes a brand-new micro-explosion activation catalytic combustion-supporting theory aiming at problems such as the ubiquitous addition method of catalytic products, unsatisfactory product dispersion, selection and optimization of a wide variety of raw materials and compound materials, and inconspicuous catalytic effect. Fly ash loaded nano-catalyst material to obtain a high-efficiency micro-explosion mixed-firing catalytic material

Method used

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  • High-activation coal ash loaded nano catalytic material and synthetic process
  • High-activation coal ash loaded nano catalytic material and synthetic process
  • High-activation coal ash loaded nano catalytic material and synthetic process

Examples

Experimental program
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Effect test

preparation example Construction

[0034] Preparation of precursor liquid phase environment

[0035] Add the loading process promotion unit into the ultrasonic homogenization vacuum synthesis kettle, and start the stirring at the same time for pre-homogenization treatment for 10-20 minutes, and the stirring Reynolds number is 20000-30000;

[0036] Add the highly activated fly ash load unit into the kettle, and the time for adding is 10-20min. After the addition, continue to stir for 10-20min, and the stirring Reynolds number is 20000-30000;

[0037] Add the nano catalytic unit to be loaded into the kettle, and the addition takes 10-20 minutes. After the addition is completed, stop stirring, and at the same time turn on the ultrasonic homogenization device, the ultrasonic frequency is 20-25kHz, and stop after ultrasonic treatment for 20-30 minutes. Then turn on the vacuum pump until the absolute pressure in the kettle drops to 0.02-0.03MPa, and continue the treatment under this negative pressure for 90-180min to...

Embodiment

[0041] (1) Put 280kg of di-sec-octyl sulfonate maleate in a high-speed stirring tank, the stirring Reynolds number is 20000-30000, and add 200kg of sodium dibutylnaphthalene sulfonate and the dispersion material lignin sulfonate into the tank 120kg of sodium bicarbonate, the feeding speed is 32kg / min, after the feeding is finished, the stirring intensity is kept constant and the stirring process is continued for 30min to obtain the organic mesophase.

[0042] Introduce 120kg of deionized water into the empty kettle, stir at a low speed, and the stirring Reynolds number is 5000-10000. After heating up to 45-55°C, add 80kg of sodium naphthalenesulfonate into the kettle at a rate of 16kg / min, and continue stirring until the naphthalenesulfonate Sodium bicarbonate is completely dissolved in water, thereby preparing an aqueous solution mesophase.

[0043] Add the organic mesophase to the aqueous mesophase, keep stirring the Reynolds number of 20000-30000 during the addition process...

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Abstract

The invention discloses a high-activation coal ash loaded nano catalytic material for improving the combustion efficiency of coal and a synthetic process. The high-activation coal ash loaded nano catalytic material is synthesized by 37.5 to 50 weight percent of high-activation coal ash loaded unit, 7.5 to 12.5 weight percent of nano catalytic unit to be loaded and 37.5 to 55 weight percent of load process promotion unit. The high-activation coal ash loaded nano catalytic material can be directly used for multiple industrial kilns, so that 'energy conservation and environment friendliness' arerealized effectively. In addition, the combustion of low-activity fuel such as inferior coal and the like is facilitated particularly, so local inferior fuel can be adopted to promote the reasonable utilization of energy and improve the utilization efficiency of resources, one-time air volume is small, and an energy-saving effect is obvious.

Description

technical field [0001] The invention discloses a preparation technology of a highly activated fly ash-loaded nano catalytic material for improving coal combustion efficiency, relates to the preparation technology of a highly activated fly ash loaded nano catalytic material, and belongs to the field of preparation of pulverized coal high-efficiency nano catalytic combustion materials. Background technique [0002] At present, the technical research in the field of coal catalytic combustion additives in foreign countries has become mature, and has been practically applied in steel, power plants and chemical industries. my country's coal chemical research workers also carried out research on catalytic combustion technology of coal in the 1990s, and made a lot of gratifying progress. From the analysis of domestic and foreign patent retrieval, literature retrieval and practical application cases, it can be roughly divided into two categories: [0003] The first class of oxidatio...

Claims

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Application Information

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IPC IPC(8): B01J31/38C10L9/10
Inventor 王博一康立伟刘宁一黄作雄
Owner YUNNAN ZENENG TECH
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