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Baking-free slag brick and method of making same

A technology of waste slag and construction waste slag, which is applied in the field of non-burning waste slag bricks and its production, can solve the problems of complex production equipment, difficulty in popularization, high cost, etc., and achieve the effects of good hydration, easy film removal, and high yield

Inactive Publication Date: 2003-10-15
张庆军 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent application 87108093.1 "Manufacturing method of slag bricks for construction" uses construction waste as the main raw material, but after the bricks are formed, they still need high-pressure steam curing, which consumes a lot of energy, costs high, and the production equipment is complicated, so it is difficult to popularize

Method used

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  • Baking-free slag brick and method of making same
  • Baking-free slag brick and method of making same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Raw material weight ratio is as follows:

[0015] 36-43% of construction waste, 44-51% of inferior rock, 12-20% of cement; 1-2% of its weight water reducer is added to the cement.

Embodiment 2

[0017] Raw material weight ratio is as follows:

[0018] Construction waste 36-43%, inferior rock 44-51%, cement 7-13%, fly ash 5-8%.

Embodiment 3

[0020] The weight ratio of raw materials is as follows: 36-43% of construction waste, 44-51% of inferior rock, 5-10% of cement, 3-6% of fly ash, and 3-6% of lime.

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Abstract

The baking-free slag brick is produced with building slag, inferior stone, cement with water-reducing agent in 1-2 % added, flash and lime. The production process includes the steps of: crushing andgrinding material, mixing, pressure molding at the pressure of 170-200 kg / sq cm to form adobe, and curing of the adobe at temperature over 0 deg.c for over 15 days. The utilization of building slag can reduce pollution and lower cost.

Description

(1) Technical field [0001] The invention relates to a building block and a manufacturing method thereof, in particular to a burning-free waste slag brick and a manufacturing method thereof. (2) Technical background [0002] Traditional clay bricks use a large amount of clay for firing, which consumes a lot of energy, destroys fields and occupies land, and is not conducive to environmental protection. The general cement bricks are formed by mixing gravel, sand, cement and chemical additives with water and vibrating. Although it is non-burning, it not only has high cost, but also has a rough surface and poor compactness, which affects its use. [0003] There are many kinds of waste slag bricks with cinder or slag as raw materials, such as Chinese patent application 02100218.5 "unfired hollow brick", which uses quicklime, burned coal gangue, slag, cement clinker, clay and boiler slag as raw materials; 01102954.4 "a Process method for rapid production of fly ash blocks or fly ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B3/00C04B18/08C04B18/16C04B28/02E04C1/00
CPCY02W30/91
Inventor 张庆军
Owner 张庆军
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