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Lightweight aggregate concrete small hollow block with a large doping amount of fly ash slag and production method thereof

A technology of lightweight aggregate concrete and hollow blocks, which can be applied to other household appliances, sustainable waste treatment, solid waste management, etc., can solve the problems of high production cost and low feasibility of products, and achieve large waste utilization and earthquake resistance Good effect and large amount of waste slag utilization

Inactive Publication Date: 2016-10-12
宁夏仁和环保科技发展有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the research on the production of new wall materials with a large amount of fly ash slag has been reported in domestic journals, the production cost of the product is relatively high, and it is only a laboratory result, and there is no report on the application of the technical achievement. Not very feasible

Method used

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  • Lightweight aggregate concrete small hollow block with a large doping amount of fly ash slag and production method thereof
  • Lightweight aggregate concrete small hollow block with a large doping amount of fly ash slag and production method thereof
  • Lightweight aggregate concrete small hollow block with a large doping amount of fly ash slag and production method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A method for producing a lightweight aggregate concrete small-sized hollow block, comprising:

[0040] Stir 20 parts of fly ash, 70 parts of furnace bottom slag, and 8 parts of cement with water, vibrate, press, form, and cure to obtain a small hollow block of lightweight aggregate concrete.

Embodiment 2

[0042] A method for producing a lightweight aggregate concrete small-sized hollow block, comprising:

[0043] Mix 50 parts of fly ash, 35 parts of furnace bottom slag, and 15 parts of cement with 7 parts of water, vibrate and press to form, and naturally maintain to obtain a small hollow block of lightweight aggregate concrete.

[0044] During the vibration and pressure molding operation, the power of the molding host is 40kW, the vibration frequency is 100Hz, and the amplitude is 1.2mm.

Embodiment 3

[0046] A method for producing a lightweight aggregate concrete small-sized hollow block, comprising:

[0047] Stir and mix 30 parts of undisturbed fly ash produced by a thermal power plant, 58 parts of furnace bottom slag with a particle size of 5-10mm, 10 parts of ordinary 42.4R Portland cement and 14 parts of water, vibrate and press to form, and steam curing The light aggregate concrete small hollow block is obtained.

[0048] During the vibration and pressure molding operation, the power of the molding host is 80kW, the vibration frequency is 55Hz, and the amplitude is 1.5mm.

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Abstract

The present invention relates to the technical field of building materials, and in particular relates to a lightweight aggregate concrete small hollow block with a large doping amount of fly ash slag. The hollow block comprises the components of: 20-50 parts of fly ash, 35-70 parts of blaster furnace slag, and 8-15 parts of cement. The invention comprehensively utilizes fly ash and blaster furnace slag produced in heat-engine plant, and has large utilization amount of waste; the technology can be used in industrial production to reach high utilization rate and large amount of industrial wastes; the prepared products has stable compressive strength of above 5MPa, density of less than 800kg / m<3>, and excellent properties.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a small-sized hollow block of lightweight aggregate concrete with a large amount of fly ash slag and a production method thereof. Background technique [0002] Fly ash is industrial waste slag discharged from thermal power plants. Due to its large volume and wide area, especially serious environmental pollution and land occupation, countries all over the world have attached great importance to the comprehensive utilization of fly ash for a long time. As the world's largest thermal power generation country, our country has been carrying out a lot of research and product development in the comprehensive utilization of fly ash since the 1960s. For example, the research and development of fly ash aerated blocks, fly ash autoclaved (steamed) bricks, fly ash burn-free and steam-free bricks, fly ash sintered bricks, fly ash ceramsite, etc., are my country's fly ash The compre...

Claims

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Application Information

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IPC IPC(8): C04B38/08C04B28/04C04B18/10C04B18/08C04B111/40
CPCC04B28/04C04B2111/40C04B18/08C04B18/10C04B38/08Y02W30/91
Inventor 郑建峰周雪原潘玉红刘玉忠顾永鹏眭立周宇翔刘晶
Owner 宁夏仁和环保科技发展有限责任公司
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