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Green and environment-friendly cement

A green and environmentally friendly cement and domestic waste incineration technology, applied in cement production, etc., can solve the problems of affecting ecological balance, occupying land, wasting resources, etc., and achieve the effect of reducing consumption, reducing pollution, and good surface activity

Active Publication Date: 2017-10-27
来凤县金凤建材工业有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to hydratable reactive substances, these waste residues also contain some harmful substances such as heavy metals. Their stacking treatment not only wastes resources, but also occupies land, pollutes the environment, and affects ecological balance.

Method used

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  • Green and environment-friendly cement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A green environment-friendly cement, which is composed of the following raw materials in parts by weight: 5 parts of clinker, 8 parts of gypsum, 10 parts of sorted domestic waste incineration slag, 20 parts of aluminum profile waste slag, 30 parts of smelting slag, 0.5 part of reinforcing agent, auxiliary 0.02 part of grinding agent, 0.1 part of hexavalent chromium ion reducing agent.

[0023] The clinker is Portland cement clinker.

[0024] The gypsum is natural gypsum.

[0025] The sorted domestic waste incineration slag refers to the domestic waste incineration slag after removing metals and unburned organic matters.

[0026] The aluminum profile waste slag is the waste liquid produced during the surface processing of aluminum profiles such as degreasing, pickling, alkali washing, anodizing, sealing, coloring, etc., and the solid obtained through processes such as sewage treatment, precipitation, and press filtration. waste.

[0027] The smelting slag is steel sla...

Embodiment 2

[0032] A green environment-friendly cement, which is composed of the following raw materials in parts by weight: 20 parts of clinker, 3 parts of gypsum, 20 parts of sorted domestic waste incineration slag, 10 parts of aluminum profile waste slag, 60 parts of smelting slag, 0.1 part of reinforcing agent, auxiliary 0.05 part of grinding agent, 0.01 part of hexavalent chromium ion reducing agent.

[0033] The clinker is Portland cement clinker.

[0034] The gypsum is anhydrite.

[0035] The sorted domestic waste incineration slag refers to the domestic waste incineration slag after removing metals and unburned organic matters.

[0036] The aluminum profile waste slag is the waste liquid produced during the surface processing of aluminum profiles such as degreasing, pickling, alkali washing, anodizing, sealing, coloring, etc., and the solid obtained through processes such as sewage treatment, precipitation, and press filtration. waste.

[0037] The smelting slag is granulated b...

Embodiment 3

[0042] A green environment-friendly cement, which is composed of the following raw materials in parts by weight: 12 parts of clinker, 5 parts of gypsum, 15 parts of sorted domestic waste incineration slag, 15 parts of aluminum profile waste slag, 40 parts of smelting slag, 0.3 part of reinforcing agent, auxiliary 0.025 parts of grinding agent, 0.05 parts of hexavalent chromium ion reducing agent.

[0043] The clinker is Portland cement clinker.

[0044] The gypsum is desulfurized gypsum.

[0045] The smelting slag is ferronickel slag.

[0046] The enhancer is composed of disodium tetraphosphate and calcium metaborate in a weight ratio of 2:1.

[0047] Described grinding aid is tripolyglycerol monostearate.

[0048] The hexavalent chromium ion reducing agent is composed of erythorbic acid and succinimide in a weight ratio of 1:1.

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Abstract

The invention belongs to the technical field of energy conservation and emission reduction and discloses green and environment-friendly cement. The green and environment-friendly cement is composed of the following raw materials in parts by weight: 5-20 parts of clinker, 3-8 parts of gypsum, 10-20 parts of sorted municipal solid waste incineration bottom ash, 10-20 parts of aluminum profile waste residues, 30-60 parts of smelting slag, 0.1-0.5 part of a reinforcing agent, 0.02-0.05 part of a grinding aid and 0.01-0.1 part of a hexavalent chromium ion reducing agent. According to the green and environment-friendly cement disclosed by the invention, the municipal solid waste incineration bottom ash and the aluminum profile waste residues can be effectively utilized, and the environmental pollution is reduced.

Description

technical field [0001] The invention belongs to the technical field of energy saving and emission reduction, and in particular relates to a green environmental protection cement. Background technique [0002] In today's world, every step of the development of human society is almost inseparable from cement. People use cement to build high-rise buildings, pave roads, erect bridges, build subways, etc., and carry out large-scale construction activities of human social infrastructure, which greatly contributes to the development of human society. It improves the living, working and traveling environment of human beings. However, while the use of cement brings great convenience to human beings, it also has a huge negative impact on our ecological environment. The process of producing clinker is the most important part of the cement industry to consume resources and discharge pollutants, so reducing the amount of cement clinker is an important way for the cement industry to save ...

Claims

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Application Information

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IPC IPC(8): C04B7/153
CPCC04B7/153Y02P40/10
Inventor 张策
Owner 来凤县金凤建材工业有限责任公司
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