Check patentability & draft patents in minutes with Patsnap Eureka AI!

A kind of steel slag modifier and preparation method thereof

A modifier and steel slag technology, which is applied in the field of steel slag modifier and its preparation, can solve the problems of unsatisfactory, complex process and high free calcium content

Active Publication Date: 2020-01-10
FUJIAN FURUN BUILDING MATERIAL TECH
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the above-mentioned modification method has high requirements on the performance of the equipment such as corrosion resistance, and the process is complicated, which increases the reuse cost of steel slag; there is a patent CN107487999A which discloses the use of a steel slag modifier to modify the performance of the steel slag. After modification The steel slag powder has good activity and chemical stability, and is low in cost and non-corrosive
However, the content of free calcium in steel slag modified by this modifier is still high, which cannot meet the needs of actual production.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of steel slag modifier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of steel slag modifier, it comprises each component of following percentage by weight:

[0028] Polyacrylamide 30%, ethylenediaminetetraacetic acid 25%, ethylene glycol dimethacrylate 23%, 3-aminopropyltrimethoxysilane 10%, sodium dodecylbenzenesulfonate 12%.

[0029] The preparation method of described steel slag modifier comprises the steps:

[0030] Mix the components weighed according to the weight ratio evenly, then pass through steam at 200°C and stir for 1.5 hours, then cool down to 60°C, mix and stir until the mass does not change, and cool to room temperature to obtain the product.

Embodiment 2

[0032] A kind of steel slag modifier, it comprises each component of following percentage by weight:

[0033] Polyacrylamide 15%, EDTA 12%, Polyoxypropylene Diol 24%, Diethanol Monoisopropanolamine 21%, 3-Aminopropyltrimethoxysilane 23%, Calcium Stearate 5% .

[0034] The preparation method of described steel slag modifier comprises the steps:

[0035] Mix the components weighed according to the weight ratio evenly, then pass in steam at 180°C and stir for 3 hours, then cool down to 60°C, mix and stir until the mass does not change, and cool to room temperature.

Embodiment 3

[0037] A kind of steel slag modifier, it comprises each component of following percentage by weight:

[0038] Polyacrylamide 15%, EDTA 12%, Polyoxypropylene Diol 24%, Diethanol Monoisopropanolamine 21%, 3-Aminopropyltrimethoxysilane 23%, Carbon Black 2%, Wood Sodium Sulfonate 3%.

[0039] The preparation method of described steel slag modifier comprises the steps:

[0040] Mix the components weighed according to the weight ratio evenly, then pass in steam at 180°C and stir for 3 hours, then cool down to 60°C, mix and stir until the mass does not change, and cool to room temperature.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of preparation of steel slag modifying agents, and specifically relates to a steel slag modifying agent and a preparation method thereof. The steel slag modifying agent comprises the following components by weight: 10 to 30% of polyacrylamide, 8 to 25% of ethylenediaminetetraacetic acid, 20 to 50% of an active agent, 5 to 30% of a coupling agent and 3 to 12% of a dispersant. The steel slag modifying agent provided by the invention can significantly reduce the content of free calcium oxide in steel slag.

Description

technical field [0001] The invention belongs to the technical field of steel slag modifier preparation, and in particular relates to a steel slag modifier and a preparation method thereof. Background technique [0002] Steel slag is a solid waste with silicate, ferrite, etc. as the main components formed by the slagging agent added when using converter or electric furnace steelmaking, impurities in molten steel, and furnace lining. Since the properties of steel slag (chemical composition, mineral composition and main physical properties) are affected by many factors such as furnace charge, smelted steel type and operation method, etc., there is no particularly effective method to deal with it directly. Many iron and steel enterprises only simply recycle the metal resources in the steel slag, and the remaining tailings cannot fully achieve "zero discharge", which has become the number one problem in solid waste treatment in iron and steel smelters. [0003] The chemical comp...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C04B5/00
CPCC04B5/00
Inventor 温仁付甘勇强
Owner FUJIAN FURUN BUILDING MATERIAL TECH
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com