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An electrochemical gas-filling method and production method of the gas-filling 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 high strength.

Active Publication Date: 2020-11-03
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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  • An electrochemical gas-filling method and production method of the gas-filling block
  • An electrochemical gas-filling method and production method of the gas-filling block
  • An electrochemical gas-filling method and production method of the gas-filling block

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Embodiment 1-1

[0039] The relevant process parameters of the present embodiment are shown in Table 1, and the specific steps are: (1) take 8 gram of calcium oxide and add 420 gram of water to digest for 24 hours, then add 3.2 gram of concrete quick-setting agent, 0.64 gram of water glass (modulus: 2.0 ), 1.5 grams of carboxymethyl cellulose and 20 grams of fatty alcohol polyoxyethylene ether sodium sulfate, and stir evenly; (2) take blast furnace slag powder and desulfurization ash according to 1:1, with a total mass of 800 grams, and put them in the cement slurry Stir and mix evenly in the mixer; (3) join the limewater digestion mixed solution in the desulfurization ash and slag mixed powder, adjust the water-material ratio to 0.45, and stir to obtain the microfluidity slurry by the standard method of cement slurry mixing; (4 ) Inject the slurry into the electrolysis device, use a regulated power supply to pressurize the electrolysis, and the current density is 0.04A / cm 2 , time 30 minutes;...

Embodiment 1-2

[0045] The relevant process parameters of the present embodiment are shown in Table 1, and the specific steps are: (1) take 8 gram of calcium oxide and add 420 gram of water to digest for 24 hours, then add 4 gram of concrete quick-setting agent, 0.3 gram of water glass (modulus: 2.2 ), 2.5 grams of carboxymethyl cellulose and 20 grams of fatty alcohol polyoxyethylene ether sodium sulfate, and stir evenly; (2) take blast furnace slag powder and desulfurization ash according to 1:0.8, with a total mass of 800 grams, in the cement slurry Stir and mix evenly in the mixer; (3) add the desulfurized ash and slag micropowder mixed powder to the limewater digestion and stirring mixed solution, adjust the water-material ratio to 0.55, and stir to obtain microfluidity slurry by the standard method of cement slurry mixing; (4 ) Inject the slurry into the electrolysis device with the electrodes installed, use a regulated power supply to pressurize the electrolysis, and the current density ...

Embodiment 1-3

[0047] The relevant process parameters of the present embodiment are shown in Table 1, and the specific steps are: (1) take 9.6 grams of calcium oxide and add 420 grams of water to digest for 24 hours, then add 0.1 gram of concrete quick-setting agent, 0.8 gram of water glass (modulus: 2.2 ), 4 grams of carboxymethyl cellulose and 8 grams of fatty alcohol polyoxyethylene ether sodium sulfate, and stir evenly; (2) take blast furnace slag powder and desulfurization ash according to 1:1, with a total mass of 800 grams, and add them to the cement slurry Stir and mix evenly in the mixer; (3) add the desulfurized ash and slag micropowder mixed powder to the limewater digestion and stirring mixed solution, adjust the water-material ratio to 0.50, and stir to obtain the microfluidity slurry by the standard method of cement slurry mixing; (4 ) Inject the slurry into the electrolysis device with the electrodes installed, use a regulated power supply to pressurize the electrolysis, and th...

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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 a gas-filling method and a production method of an aerated block. Specifically, electrolysis is carried out by electrifying when the slurry is stirred, and by controlling the slurry formula and electrolysis conditions, the electrochemically electrolyzed slurry is used to make A method in which blocks are 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 silicon-containing tailings, etc.) The main raw material is mixed with an 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 by casting molding, pre-curing cutt...

Claims

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Application Information

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Patent Type & Authority Patents(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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