Supercharge Your Innovation With Domain-Expert AI Agents!

A kind of preparation method of high corrosion resistance portland cement

A Portland cement, high-resistance technology, applied in the field of inorganic materials, can solve problems such as adverse effects on the service life of marine structures, and achieve the effects of good comprehensive performance, reasonable design, and low content

Active Publication Date: 2021-10-26
DATONG JIDONG CEMENT CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the marine environment, the durability of cement-based materials is very prominent, and the service life of marine structures is seriously affected

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 preparation method of high corrosion resistance portland cement
  • A kind of preparation method of high corrosion resistance portland cement
  • A kind of preparation method of high corrosion resistance portland cement

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0027] One embodiment of the present invention provides a method for preparing Portland cement clinker, comprising the following steps:

[0028] - Raw meal preparation, drying, mixing and grinding clay raw materials, calcareous raw materials and iron raw materials to obtain raw meal;

[0029] - Clinker firing, sintering raw meal and mineralizer, cooling to obtain Portland cement clinker;

[0030] Wherein, a mineralizer comprising perlite and antimony trioxide is added to the raw meal powder before or during sintering.

[0031]In this embodiment, the weight ratio of perlite and antimony trioxide in the mineralizer is 1:0.02-0.1, and the mineralizer is added to clay raw materials, calcareous raw materials and iron raw materials, not only in clinker burning During the synthesis process, the temperature of the liquid phase can be advanced by significantly reducing the melting temperature and liquid phase viscosity of the raw meal powder, which is beneficial to the formation of cl...

Embodiment 1

[0044] A preparation method of Portland cement clinker, comprising the following steps:

[0045] 1) raw meal preparation, clay (chemical composition as shown in Table 1), calcareous raw materials (chemical composition as shown in Table 2) and iron ore (chemical composition as shown in Table 3) were dried, mixed and ground to obtain raw meal; wherein, Raw meal ingredients ratio value: lime saturation coefficient (KH) is 0.92, silicon ratio (SM) is 2.1, aluminum ratio (IM) is 1.9;

[0046] 2) Clinker sintering. Before sintering, mineralizers including perlite and antimony trioxide are added to the raw meal powder, and the raw meal and mineralizer are sintered at 1370°C. The holding time at the sintering temperature is 60 minutes, rapid cooling to obtain Portland cement clinker; wherein, the amount of mineralizer added is 0.02% of the weight of the raw meal powder, and the weight ratio of perlite and antimony trioxide in the mineralizer is 1:0.02.

[0047] The chemical compositi...

Embodiment 2

[0055] A preparation method of Portland cement clinker, comprising the following steps:

[0056] 1) raw meal preparation, clay (chemical composition as shown in Table 1), calcareous raw materials (chemical composition as shown in Table 2) and iron ore (chemical composition as shown in Table 3) were dried, mixed and ground to obtain raw meal; wherein, Raw meal ingredients ratio value: lime saturation coefficient (KH) is 0.96, silicon ratio (SM) is 2.4, aluminum ratio (IM) is 1.3;

[0057] 2) Clinker sintering, adding mineralizers including perlite and antimony trioxide to the raw meal powder before sintering, sintering the raw meal and mineralizer at 1300°C, the holding time at the sintering temperature is 55 minutes, rapid cooling to obtain Portland cement clinker; wherein, the amount of mineralizer added is 0.06% of the weight of the raw meal powder, and the weight ratio of perlite and antimony trioxide in the mineralizer is 1:0.07.

[0058] A method for preparing high-corro...

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 provides a method for preparing high-corrosion Portland cement, which belongs to the technical field of inorganic materials. Portland cement clinker, fly ash, cementitious material and gypsum are ground separately or mixed together, Obtain high-corrosion Portland cement, wherein, the preparation method of the Portland cement clinker used is: drying clay raw materials, calcium raw materials and iron raw materials, mixing and grinding to obtain raw materials; sintering raw materials and Mineralizer, cooling to obtain Portland cement clinker; wherein, the mineralizer including perlite and antimony trioxide is added to the raw meal powder before or during sintering. The preparation method of the Portland cement clinker of the present invention can improve the burnability of the Portland cement clinker, increase the crystallinity of the clinker, and improve the flexural and compressive strength of the clinker at different ages; The high-corrosion Portland cement has good working performance, high compressive strength and high corrosion resistance, and good durability.

Description

technical field [0001] The invention belongs to the technical field of inorganic materials, and in particular relates to a preparation method of high-corrosion Portland cement. Background technique [0002] The current national standard GB 175-2007 "Universal Portland Cement" defines general-purpose Portland cement as: a hydraulic cementitious material made of Portland cement clinker, an appropriate amount of gypsum, and specified admixtures . Portland cement is mainly composed of C 3 S, C 2 S, C 3 A and C 4 AF mineral composition, the sum of the four generally exceeds 95% of the total weight, especially the first two silicate minerals, generally exceeding 75%. Portland cement and its derived ordinary Portland cement, composite cement, etc. are the most used and one of the most important building materials today, because of their high compressive strength, strong adaptability, and low price. And it has been widely used. The application of concrete and reinforced concre...

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): C04B7/02C04B7/42
CPCC04B7/02C04B7/424C04B7/427
Inventor 陈敬马树立王九龙张宇王营和王玉和王海雨李竹勤
Owner DATONG JIDONG CEMENT CO LTD
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