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Curb produced by using waste ceramic slag and waste road concrete and manufacturing method

A technology of waste concrete and ceramic waste, applied in the field of waste treatment, can solve problems such as endangering the survival of aquatic organisms and water resource utilization, pollution of surface water and groundwater, and affecting human health, achieving good heat resistance, long-term stability, and durability The performance index is improved and the water reduction rate is high

Inactive Publication Date: 2013-04-24
清远绿由环保科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, my country's treatment methods for ceramic waste, road waste concrete, domestic waste incineration residue and granite waste are mainly treated by simple landfill methods. Ceramic waste, road waste concrete, waste incineration residue and granite waste are dust waste. If it is directly landfilled without treatment, it will cause surface water and groundwater pollution, and directly endanger the survival of aquatic organisms and the utilization of water resources.
Among them, concrete waste and waste incineration residue also contain a large amount of fine-grained particles and fine powder dust, which will cause serious secondary pollution to the air, produce haze weather, affect people's health, and cause harm to the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The waste porcelain mud produced in the process of ceramic production is dehydrated into solid waste and damaged blanks, damaged waste products that have not been calcined and glazed, semi-finished products that have been calcined and glazed, waste products with damage or cracks, construction waste ceramics and sanitation The mixture of waste ceramic residues is crushed, sorted, pulverized, and magnetically separated to remove waste metals, and then dried, wheel milled and sieved to make a powder with a particle size of less than 3mm for use;

[0044] The mixed solid waste of waste concrete blocky residues produced in the process of expressway renovation and urban cement road widening and repairing is processed into recycled coarse bone for concrete after primary crushing, secondary crushing, sorting, and grading screening. The powdery waste generated in the production process of raw materials and recycled fine aggregates is removed by magnetic separation to make powder ...

Embodiment 2

[0049] Get the ceramic waste slag powder 50kg of embodiment 1, road waste concrete powder 35kg, waste incineration slag powder 25kg, granite waste slag powder 30kg, Portland cement 15kg, particle diameter be the calcium oxide powder 18kg of 0.2mm, Calcium sulfate powder 6kg, polycarboxylate high-efficiency water reducer 1.0kg, calcium formate 0.8kg, sodium sulfate 0.8kg and water 23kg, the above-mentioned raw materials are mixed with a twin-shaft mixing mixer until they are moist, and then extruded by hydraulic machinery. Under the pressure of 28MPa, the shaped ceramic waste and road waste concrete curbstones are manufactured, and the specifications are: 800mm×300mm×100mm. They are cured at natural temperature, and then they are naturally dried and cured at room temperature for 28 days by water spraying method to make ceramic waste and road. Waste concrete curb products. After testing, the average value of compressive strength is 43.5MPa, the minimum value of a single block is...

Embodiment 3

[0051] Get embodiment 1 ceramic waste slag powder 43kg, road waste concrete powder 28kg, waste incineration residue powder 18kg, granite waste slag powder 23kg, Portland cement 10kg, particle diameter be the calcium oxide powder 13kg of 0.2mm, sulfuric acid Calcium powder 4kg, polycarboxylate high-efficiency water reducer 0.7kg, calcium formate 0.6kg, sodium sulfate 0.6kg and water 15kg, the above-mentioned raw materials are mixed with a twin-shaft mixing mixer to become moist, and then extruded by hydraulic machinery. Under the pressure of 26MPa, the molded ceramic waste and road waste concrete curbstones are manufactured. The specifications are: 1000mm×300mm×100mm. They are cured at natural temperature, and then they are naturally dried and cured at room temperature for 28 days by water spraying method to make ceramic waste and road waste. Concrete curb products. The average value of the tested compressive strength is: 45.1MPa; the minimum value of a single block is: 33.5MPa...

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Abstract

The invention relates to a curb produced by using waste ceramic slag and waste road concrete and a manufacturing method. The curb is characterized in that the waste ceramic slag, the waste road concrete, waste incineration residue, waste granite slag, silicate cement, calcium oxide powder, calcium sulfate powder, polycarboxylate efficient water reducing agent, calcium formate, sodium sulfate and water are used as raw materials; and the raw materials are stirred to be moist through a stirrer, extruded by using a hydraulic machine and manufactured into the waste ceramic slag and waste road concrete curb under the pressure of 25 to 30MPa, and the curb is naturally dried and cured for 28 days at normal temperature by using a water spraying method. The raw materials can be manufactured into top wall bricks, plaza bricks and sidewalk bricks with different sizes; and the curb has the advantages of light weight, high strength, pollution prevention, low cost and high benefits. The invention meets the requirements for national energy conservation and emission reduction development and low-carbon economy.

Description

technical field [0001] The present invention relates to a curb produced from ceramic waste slag and road waste concrete. Specifically, it is made of ceramic waste slag, road waste concrete, garbage incineration residue and granite waste slag, which are crushed, sorted, pulverized and screened. The curbstone produced by the powder as the main raw material belongs to the field of waste treatment. [0002] The invention also relates to a method of manufacturing the curbstone. [0003] Background technique [0004] Ceramic waste slag is waste porcelain mud and damaged blanks produced in the process of producing porcelain in ceramic factories, damaged waste products that have not been calcined and glazed, semi-finished products that have been calcined and glazed in the factory, waste products due to damage or cracks, and waste products from construction. Waste building ceramics, waste sanitary ceramics and other places where ceramics are applied on the construction site, as wel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B18/16
CPCY02W30/91
Inventor 李桓宇古耀坤
Owner 清远绿由环保科技有限公司
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