CN101654354B - Soluble glass slurry taking water-soluble ester as curing agent - Google Patents
Soluble glass slurry taking water-soluble ester as curing agent Download PDFInfo
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- CN101654354B CN101654354B CN 200910091806 CN200910091806A CN101654354B CN 101654354 B CN101654354 B CN 101654354B CN 200910091806 CN200910091806 CN 200910091806 CN 200910091806 A CN200910091806 A CN 200910091806A CN 101654354 B CN101654354 B CN 101654354B
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- water
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- curing agent
- ester
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Abstract
The invention relates to a soluble glass slurry taking water-soluble ester as curing agent. The soluble glass slurry taking water-soluble ester as curing agent uses carbitol acetate as curing agent; the main agent is soluble glass; based on 100 parts of slurry, the volume ratio of each component is as follows: 15-60 parts of soluble glass 38Be', 1-8 parts of carbitol acetate, and water for the rest. The invention is suitable for water plugging of water-bearing layer of quartz sandstone and grouting at the back of the well wall, and is particularly suitable for ground pregrouting and face pregrouting of porous stratum of the pit shaft of mine well; the invention takes carbitol acetate with excellent dissolving performance as curing agent; the grouting material has the characteristics of high permeability, high strength, adjustable gel time, and the like, has simple operation, easy storage and stable performance, and is chemical grouting material with high application value.
Description
Technical field:
Invented that to relate to a kind of water glass be chemical slip casting material, can be used for pre-grouting from the surface, working face slip casting and the borehole wall grouting behind shaft or drift lining water blockoff of [underground.
Background technology:
The mining mineral resource degree of depth is more and more darker, and it is increasing that the water blockoff difficulty is built in the ore deposit, and the pre-slip casting effect in traditional ground is not satisfactory sometimes, has increased cost to shaft building, has prolonged the shaft building duration.So study a kind of ideal injecting paste material very big using value is arranged.Especially for than deep well, common injecting paste material is difficult to reach water plugging effect, and during at stratum, special single waterbearing stratum such as microfissure, porosities, stable performance, the present invention who is easy to control are good injecting paste materials.This material can realize that pre-grouting from the surface efficient is higher, safer, handling better, and has suitable intensity.
Economy water glass is that chemical slip casting material research face is wider, achievements in research such as CN 101265059A, CN86107196A and CN 1032354A, and because of material corrosion or complicated component, stability is difficult to control etc., is restricted in the application.Use more urea-formaldehyde resin plasmoid humor, also more because of component, be difficult for storing for a long time, defective such as viscosity is bigger, be difficult to a certain extent promote.
Summary of the invention:
In order to solve the problem that exists in the background technology, the invention provides a kind of soluble ester and be the water glass slurry of solidifying agent, these slurries have low viscosity, hypertonicity, gel time is adjustable, characteristics such as higher-strength are arranged.
The technical solution used in the present invention is: this soluble ester is that the water glass slurry of solidifying agent uses the diethylene glycol ether acetic ester to be solidifying agent, host is water glass, each component is counted by volume: in 100 parts of slurries: 15～60 parts of water glass, 1～8 part of diethylene glycol ether acetic ester, surplus is a water.
In 100 parts of above-mentioned slurries: 30～60 parts of water glass 38Be ', 3～7 parts of diethylene glycol ether acetic ester, surplus is a water; In 100 parts of slurries: 60 parts of water glass 38Be ', 3 parts of diethylene glycol ether acetic ester, water is 37 parts.
Water glass Be ' is 38 in the such scheme, modulus M=2.8～3.1.
Preparation method of the present invention: the water glass and the diethylene glycol ether acetic ester of measuring metering respectively place two containers, adding the water of metering goes in the diethylene glycol ether acetic ester container, diethylene glycol ether acetic ester generation this moment hydrolysis reaction, after the several minutes, two container solution are mixed, stir evenly, wait to coagulate, both got the present invention.
The beneficial effect that the present invention had is: the invention solves water glass is problem and the grouting process complicacy that slurries and other a few class chemical grouts exist, developed single curing agent, be easy to deposit, stable performance, the water glass that diffusion length is far away is injecting paste material.This material can carry out effectively that hydro project is stifled oozes, and can be used for water blockoff slip casting behind [underground special formation pre-grouting from the surface, working face slip casting and the borehole wall wall again.And this material obtains laboratory simulation pressure 10MPa, 0.5mm broad slit testing table simulation slip casting examples of many successful.The present invention is a single curing agent with good water-soluble diethylene glycol ether acetic ester, and water glass is host, and the gel time of preparation slurries can be regulated between 10S～1h.Slurries gel time and gel strength can be regulated by changing concentration of sodium silicate or diethylene glycol ether acetic ester concentration.Slurry reaction mechanism is that the hydrolysis in water medium of diethylene glycol ether acetic ester goes out acetate, and the acetate of Sheng Chenging is followed the alkali reaction that the water glass hydrolysis goes out then, and institute is so that water glass generates silicic acid gel.Total reaction formula can be write as:
Na
2O·nSiO
2+CH
3CH
2OCH
2CH
2OCH
2CH
2OOCCH
3+
H
2O→CH
3COONa
2+nSiO
2·H
2O
The chemical grout that the present invention simultaneously also is a kind of low viscosity, hypertonicity, higher-strength, gel time is adjustable.It is simple, handling good that this injecting paste material has proportioning in addition, and solidifying agent is easy to advantages such as long-term storage.
Embodiment:
Below with the invention will be further described:
Embodiment 1
Water glass 3.00L
Diethylene glycol ether acetic ester 0.15L
Water 1.85L
26.5 ℃ of slurries initial temperature of the present invention, gel time 52min is used for the long 6m in platform crack, laboratory simulation crack, the wide 0.5mm in crack, back-pressure water behind the slip casting end 2h, the not water outlet of hydraulic pressure 10MPa crack.
Embodiment 2
Water glass 30mL
Diethylene glycol ether acetic ester 7mL
Water 63mL
25.5 ℃ of slurries initial temperature of the present invention, gel time 3.6min.
Claims (3)
1. the soluble ester water glass slurry that is solidifying agent, it is characterized in that: use the diethylene glycol ether acetic ester to be solidifying agent, host is water glass, and each component is counted by volume: in 100 parts of slurries: 15～60 parts of water glass 38Be ', 1～8 part of diethylene glycol ether acetic ester, surplus is a water.
2. the water glass slurry that soluble ester according to claim 1 is a solidifying agent, it is characterized in that: in 100 parts of slurries: 30～60 parts of water glass 38Be ', 3～7 parts of diethylene glycol ether acetic ester, surplus is a water.
3. the water glass slurry that soluble ester according to claim 2 is a solidifying agent, it is characterized in that: in 100 parts of slurries: 60 parts of water glass 38Be ', 3 parts of diethylene glycol ether acetic ester, water is 37 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910091806 CN101654354B (en) | 2009-08-28 | 2009-08-28 | Soluble glass slurry taking water-soluble ester as curing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910091806 CN101654354B (en) | 2009-08-28 | 2009-08-28 | Soluble glass slurry taking water-soluble ester as curing agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101654354A CN101654354A (en) | 2010-02-24 |
| CN101654354B true CN101654354B (en) | 2011-09-21 |
Family
ID=41708844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910091806 Expired - Fee Related CN101654354B (en) | 2009-08-28 | 2009-08-28 | Soluble glass slurry taking water-soluble ester as curing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101654354B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835729B (en) * | 2013-11-11 | 2016-06-15 | 北京中煤矿山工程有限公司 | Deep distance roadway surrounding rock pre grouting from the surface reinforcement process |
| CN103910501B (en) * | 2014-01-09 | 2016-03-02 | 湖南宏禹水利水电岩土工程有限公司 | A kind of water glass solution type injection material and grouting method thereof |
| CN106634908A (en) * | 2016-10-09 | 2017-05-10 | 中国石油化工股份有限公司 | Heat-resisting interpenetrating polymer network plural gel profile control agent and preparation method thereof |
| CN112226163A (en) * | 2020-09-09 | 2021-01-15 | 四川共拓岩土科技股份有限公司 | Water glass temporary reinforcing material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032354A (en) * | 1987-04-15 | 1989-04-12 | 中国科学院广州化学研究所 | Water glass series of chemical grouting materials for preventing seepage and stopping leakage |
| CN1243036A (en) * | 1998-07-29 | 2000-02-02 | 中国科学院大连化学物理研究所 | Solid catalyst for synthesizing glycol monoether acetate |
| CN101205467A (en) * | 2007-12-11 | 2008-06-25 | 西安交通大学 | Sodium silicate composition and use thereof |
-
2009
- 2009-08-28 CN CN 200910091806 patent/CN101654354B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032354A (en) * | 1987-04-15 | 1989-04-12 | 中国科学院广州化学研究所 | Water glass series of chemical grouting materials for preventing seepage and stopping leakage |
| CN1243036A (en) * | 1998-07-29 | 2000-02-02 | 中国科学院大连化学物理研究所 | Solid catalyst for synthesizing glycol monoether acetate |
| CN101205467A (en) * | 2007-12-11 | 2008-06-25 | 西安交通大学 | Sodium silicate composition and use thereof |
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| Publication number | Publication date |
|---|---|
| CN101654354A (en) | 2010-02-24 |
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