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A kind of waste color raw material powder and its application

A technology of waste and raw material powder, applied in the direction of multi-color effect coatings, etc., can solve problems such as waste pollution, achieve the effects of good coating film quality, wide application space, and environmental protection

Active Publication Date: 2019-02-01
JIANGSU WONIUSHAN THERMAL INSULATION & WATERPROOF TEHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a waste color raw material powder with excellent dispersibility and its application, which can make better use of various wastes, turn waste into treasure, and solve the problem of waste pollution

Method used

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  • A kind of waste color raw material powder and its application
  • A kind of waste color raw material powder and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: the preparation of red brick brick red raw material powder

[0015] 1. Waste sorting and recycling: firstly select recyclable waste, take construction solid waste wall material red brick as an example, filter out impurity wood, metal objects and mortar through manual sorting, and obtain recyclable waste Waste red brick fragments, which are cleaned;

[0016] 2. Cleaning and drying: Clean the recyclable waste red brick fragments, and dry them with an online dryer. After drying, the moisture content is below 2-3%. For the online dryer, please refer to CN201420333632. The online dryer provided in the utility model "A Kind of Online Dryer" of 5.

[0017] 3. Crushing and grinding: pass the dried red brick fragments through the jaw crusher, crush them into red brick particles with a particle size of 2-15mm, and then use a vertical mill for grinding to process into 30μm brick color powder abrasive.

[0018] 4. Surface modification: use titanate coupling agent t...

Embodiment 2

[0020] Embodiment 2: the preparation of yellow rust stone golden yellow raw material powder

[0021] 1. Waste sorting and recycling: firstly select recyclable waste, taking construction solid waste curtain wall stone yellow rust stone as an example, through manual sorting to screen out impurities such as silicone glue, metal objects and mortar, and obtain recyclable waste. Recycled waste yellow rust stone fragments.

[0022] 2. Cleaning and drying: Clean the recyclable waste yellow rust stone fragments and dry them on-line. After drying, the moisture content is below 2-3%.

[0023] 3. Crushing and grinding: pass the dried yellow rust stone fragments through the jaw crusher, crush them into yellow rust stone particles with a particle size of ≤20mm, and then use a ball mill for grinding to process into 40μm golden yellow powder abrasive.

[0024] 4. Surface modification: use titanate coupling agent to modify the surface of the golden yellow powder abrasive, and the dosage of t...

Embodiment 3

[0026] Embodiment 3: the preparation of fly ash gray raw material powder

[0027] 1. Waste crushing and grinding: first select the recyclable waste, and use the industrial solid waste fly ash (the fine ash collected from the flue gas after coal combustion is called fly ash, and fly ash is the The main solid waste discharged from coal power plants) as an example, because the fly ash is dry and has no other impurities, there is no need for sorting, recycling, cleaning, and drying steps, and the dry fly ash is directly ground by a vertical mill and processed into a 15μm gray powder abrasive.

[0028] 2. Surface modification: use silane coupling agent to modify the surface of the gray powder abrasive, and the amount of silane coupling agent is 1% of the mass of the gray powder abrasive.

[0029] 3. PH value adjustment: PH adjustment is carried out on the gray powder abrasive, the pH value is controlled between 8 and 9, and the gray raw material powder of fly ash is output.

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Abstract

The invention relates to waste color raw material powder and application thereof. The waste color raw material powder is prepared through the following steps of (1) pretreatment of waste, except silica fume; (2) surface modification: on the premise of keeping original performance of building solid waste and industrial solid waste which are subjected to pretreatment, by a surface modification agent, performing surface modification agent on the building solid waste and industrial solid waste which are subjected to pretreatment, wherein the usage amount of the surface modification agent accounts for 0.1 to 3 percent of mass of the building solid waste and industrial solid waste which are subjected to pretreatment; (3) PH value adjustment: performing PH value adjustment on the obtained modified building solid waste and industrial solid waste, wherein the PH value is controlled to be 8 to 9, and the waste color raw material powder is obtained. According to the waste color raw material powder and the application thereof, the cost is low, the process is simple, product variety is achieved, the application range is wide, different kinds of materials are classified and separated out maximally, the classification effectiveness is improved, and the building solid waste and industrial solid waste are changed into wealth; the pollution problem of waste is solved, the waste color raw material powder and the application thereof are conducive to environmental protection and have obvious social benefit.

Description

technical field [0001] The invention relates to a waste color raw material powder and its application, in particular to a waste color raw material powder made from construction and industrial solid waste and its application. Background technique [0002] With the acceleration of industrialization and urbanization, a large amount of construction and industrial solid wastes are produced every year, including waste bricks, waste rocks, waste concrete, waste fly ash and silica fume waste. The main domestic treatment method for construction waste is to directly stack it in the open air or bury it underground without any treatment. This recycling method is simple and convenient, but it takes up a lot of land, and most of these large construction and industrial solid wastes are in the form of Alkaline, and its composition is complex, which seriously damages the soil structure, causes surface subsidence, and causes serious environmental pollution. Therefore, how to manage and compr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K9/04C08K9/06C08K3/34C08K3/36C09D5/29
CPCC08K3/34C08K3/36C08K9/04C08K9/06C09D5/29
Inventor 朱慧花海东
Owner JIANGSU WONIUSHAN THERMAL INSULATION & WATERPROOF TEHNOLOGY
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