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A method of making hollow bricks from non-recyclable waste

A hollow brick and garbage technology is applied in the field of resource recycling and comprehensive utilization, which can solve the problems of polluting the environment, foul odor, overflowing sewage, etc., and achieve the effects of saving resources, light bulk density, construction efficiency, heat preservation and energy saving.

Active Publication Date: 2016-04-27
青岛福创环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the non-recyclable garbage disposal methods are in the traditional way of stacking and landfilling, occupying tens of thousands of acres of land; moreover, insects and flies fly around, sewage overflows, and the smell is smoky, seriously polluting the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Metal recovery:

[0026] Put the non-recyclable garbage into a crusher for processing, and process it into a particle size of 5-10cm, and then pass through a belt with a magnet to recover the metal in it. The recovery rate is 5%. The crushed garbage is saturated with water and squeezed out. Machine, the moisture content is 40%, squeeze dry for use.

[0027] (2) Separation of organic matter and inorganic matter:

[0028] The crushed material obtained in step (1) is transported to the flotation device, the device is filled with water in advance, and H is added in proportion to the mass of water 2 O 2 And NaOH, the concentration of NaOH is 0.05%, H 2 O 2 The concentration is 1%. After stirring and standing, the upper floats are organic and the lower is inorganic. The organic and inorganic are separated and dried. The drying temperature of the organics is 23°C, and the inorganics are dried at room temperature of 23°C.

[0029] (3) Making hollow bricks:

[0030] The inorganic sub...

Embodiment 2

[0032] (1) Metal recovery:

[0033] Put the non-recyclable garbage into a crusher for processing, and process it into a particle size of 5-10cm, and then pass through a belt with a magnet to recover the metal in it. The recovery rate is 7%. The crushed garbage is saturated with water and squeezed out. After squeezing dry, the moisture content is 35%, ready for use.

[0034] (2) Separation of organic matter and inorganic matter:

[0035] The crushed material obtained in step (1) is transported to the flotation device. The device is filled with water in advance, and H is added in proportion to the mass of water. 2 O 2 And NaOH, the concentration of NaOH after configuration is 0.01%, H 2 O 2 The concentration is 2%. After stirring and standing, the upper floats are organic and the lower is inorganic. The organic and inorganic are separated and dried. The drying temperature of the organics is 45°C, and the inorganics are dried at room temperature of 23°C.

[0036] (3) Making hollow bricks...

Embodiment 3

[0039] (1) Metal recovery:

[0040] Put the non-recyclable garbage into a crusher for processing, and process it into a particle size of 5-10cm, and then pass through a belt with a magnet to recover the metal. The recovery rate is 10%. The crushed garbage is saturated with water and squeezed out. Machine, the water content is at 50%, squeezed dry for later use.

[0041] (2) Separation of organic matter and inorganic matter:

[0042] The crushed material obtained in step (1) is transported to the flotation device, the device is filled with water in advance, and H is added in proportion to the mass of water 2 O 2 And NaOH, the concentration of NaOH is 0.1%, H 2 O 2 The concentration is 4%. After stirring and standing, the upper floats are organic and the lower is inorganic. The organic and inorganic are separated and dried. The drying temperature of the organics is 68°C, and the organic and inorganics are dried at room temperature of 23°C.

[0043] (3) Making hollow bricks:

[0044] The ...

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Abstract

The invention provides a method for manufacturing a hollow brick by using non-recyclable waste. The method comprises the following steps: firstly, crushing the non-recyclable waste and then passing through a belt with a magnet to recover metals; separating and drying organic matters and inorganic matters in the crushed non-recyclable waste in a flotation device; finally crushing the obtained inorganic matters and organic matters, mixing the inorganic matters, the organic matters and cement, adding water and stirring into slurry; putting into a mold, and carrying out vibration molding or pressure molding; and carrying out natural curing to form a hollow brick product. Compared with a traditional hollow brick, the hollow brick produced by the method has the advantages that all performance indices are improved at different extents; meanwhile, the hollow brick is simple in preparation process and high in practicability; a traditional treatment method for stacking and filling the non-recyclable waste is changed; consumption of soil resources and emission of toxic and harmful substances are reduced; and cyclic utilization of resources is achieved on the bases of environment protection and energy conservation.

Description

Technical field [0001] The invention belongs to the technical field of resource recycling and comprehensive utilization, and relates to a method for manufacturing hollow bricks using unrecyclable garbage. Background technique [0002] With the rapid development of my country’s social economy, the acceleration of urbanization and the rapid improvement of people’s living standards, the amount of garbage generated in the process of urban production and life has also increased rapidly. Domestic garbage occupies land, pollutes the environment, and affects people. The health effects are becoming more obvious. The massive increase in municipal solid waste has made it more and more difficult to dispose of waste. The resulting environmental pollution and other issues have gradually attracted widespread attention from all walks of life. The treatment of domestic waste technology selection often becomes a difficult problem in the treatment of urban domestic waste. [0003] Garbage classifica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B18/30
CPCY02W30/91
Inventor 张淑娟
Owner 青岛福创环境科技有限公司
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