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Electrochemical aerating method and production method of aerated block

An air-entraining block and electrochemical technology, applied in the field of building materials, can solve the problems of difficult and stable control of the air-entraining speed and air-entraining volume, etc., and achieve the effects of good thermal insulation effect, life safety protection, and precise control.

Active Publication Date: 2018-05-22
安徽马钢嘉华新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problem that the air-entraining agent used in the existing air-entraining block will not be easy to stably control the air-entraining speed and the amount of air-entraining, the present invention provides an electrolytic air-entraining method and production method for the air-entraining block, which fully utilizes the raw material slurry of the air-entraining block To achieve the purpose of gas filling by using the method of electrochemical electrolysis of slurry; at the same time, by adjusting the current density, gas filling time and stirring speed, the adjustment and control of gas filling speed and gas filling volume can be realized

Method used

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  • Electrochemical aerating method and production method of aerated block
  • Electrochemical aerating method and production method of aerated block
  • Electrochemical aerating method and production method of aerated block

Examples

Experimental program
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Effect test

Embodiment 1-1

[0039] The relevant process parameters of this embodiment are shown in Table 1. The specific steps are as follows: (1) Weigh 8 grams of calcium oxide and add 420 grams of water to digest for 24 hours, then add 3.2 grams of concrete accelerator and 0.64 grams of water glass (modulus: 2.0) ), 1.5 grams of carboxymethyl cellulose and 20 grams of fatty alcohol polyoxyethylene ether sodium sulfate, stir evenly; (2) Weigh blast furnace slag powder and desulfurization ash according to 1:1, the total mass is 800 grams, in the cement paste Stir and mix evenly in the mixer; (3) Add the lime-water digestion mixed solution to the desulfurization ash and slag mixed powder, adjust the water to material ratio to 0.45, and stir according to the standard method of cement slurry mixing to obtain a micro-fluidity slurry; (4) ) Inject the slurry into the electrolysis device, and use a regulated power supply to pressurize the electrolysis, the current density is 0.04A / cm 2 , Time 30 minutes; while t...

Embodiment 1-2

[0045] The relevant process parameters of this embodiment are shown in Table 1. The specific steps are as follows: (1) Weigh 8 grams of calcium oxide into 420 grams of water for 24 hours, and then add 4 grams of concrete accelerator and 0.3 grams of water glass (modulus: 2.2) ), 2.5 grams of carboxymethyl cellulose and 20 grams of fatty alcohol polyoxyethylene ether sodium sulfate, stir evenly; (2) Weigh blast furnace slag powder and desulfurization ash according to 1:0.8, the total mass is 800 grams, in the cement paste Stir and mix evenly in the mixer; (3) Add the lime-water digestion and stirring mixed solution to the mixed powder of desulfurization ash and slag powder, adjust the water to material ratio to 0.55, and stir according to the standard method of cement slurry mixing to obtain a micro-fluidity slurry; (4) ) The slurry is injected into the electrolysis device with the electrodes, and the stabilized power supply is used to pressurize the electrolysis, the current den...

Embodiment 1-3

[0047] The relevant process parameters of this embodiment are shown in Table 1. The specific steps are as follows: (1) Weigh 9.6 grams of calcium oxide into 420 grams of water to dissolve for 24 hours, then add 0.1 grams of concrete accelerator and 0.8 grams of water glass (modulus: 2.2) ), 4 grams of carboxymethyl cellulose and 8 grams of fatty alcohol polyoxyethylene ether sodium sulfate, stir evenly; (2) Weigh blast furnace slag powder and desulfurized ash according to 1:1, the total mass is 800 grams, in the cement paste Stir and mix uniformly in the mixer; (3) Add the lime-water digestion and stirring mixed solution to the mixed powder of desulfurization ash and slag powder, adjust the water to material ratio to 0.50, and stir according to the standard method of cement slurry mixing to obtain a micro-fluidity slurry; (4) ) The slurry is injected into the electrolysis device with the electrodes, and the stabilized power supply is used to pressurize the electrolysis, the curr...

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Abstract

The invention discloses an electrochemical aerating method and a production method of an aerated block, and belongs to the technical field of building materials. The electrochemical aerating method comprises the following steps: preprocessing a main material and additives of the aerated block; stirring to obtain uniform micro-flowing sizing; pouring the micro-flowing sizing into an electrolyzing device; and electrolyzing and aerating the sizing through a voltage-stabilized power supply. According to the electrochemical aerating method, the properties of the raw material sizing of the aerated block are fully utilized; the sizing and water are electrochemically electrolyzed to produce microbubbles; the microbubbles enter the sizing, so that the sizing contains a certain amount of bubbles; the current density and the aerating time can be adjusted to control the aerating speed and the aerating capacity, and thus the problems that the aerating speed of a chemical aerating agent is not likely to adjust, and chemical additives and chemical reaction products influence the product quality can be effectively solved.

Description

Technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to an aerated block aerated method and a production method. Specifically, the slurry is energized for electrolysis when the slurry is stirred, and the slurry formula and electrolysis conditions are controlled by using the electrochemical electrolytic slurry to make The block is saturated with a certain amount of gas. Background technique [0002] Aerated blocks are called lightweight bricks, foam bricks, and lightweight partition wall bricks. They are made of siliceous materials (sand, quartz sand, fly ash and silica-containing tailings, etc.) and calcareous materials (lime, gypsum, etc.) The main raw material is mixed with appropriate amount of cement, gas generating agent (aluminum powder, hydrogen peroxide, etc.) and additives. After adding water and stirring, the pores are formed by chemical reaction, and the porous silicon is made through the process of castin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/00C04B28/10C04B40/00
CPCC04B28/10C04B38/0022C04B40/0007C04B18/142C04B18/062C04B22/00C04B2103/12C04B12/04C04B24/383C04B24/166C04B38/0067
Inventor 龚国保李辽沙周浩峰赵鲁卿武杏荣陶春智王亮侯志祥
Owner 安徽马钢嘉华新型建材有限公司
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