CN112174618B - Mining high-strength anti-shrinkage water plugging material and preparation method thereof - Google Patents
Mining high-strength anti-shrinkage water plugging material and preparation method thereof Download PDFInfo
- Publication number
- CN112174618B CN112174618B CN202011128847.XA CN202011128847A CN112174618B CN 112174618 B CN112174618 B CN 112174618B CN 202011128847 A CN202011128847 A CN 202011128847A CN 112174618 B CN112174618 B CN 112174618B
- Authority
- CN
- China
- Prior art keywords
- parts
- powder
- water plugging
- plugging material
- gypsum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a mining high-strength anti-shrinkage water plugging material and a preparation method thereof, wherein the mining high-strength anti-shrinkage water plugging material comprises the following raw materials in parts by mass: 3-10 parts of polyvinyl alcohol, 50-70 parts of sulphoaluminate cement, 5-20 parts of quartz powder, 3-15 parts of slag powder, 2-6 parts of gypsum powder, 2-5 parts of quicklime, 1-5 parts of retarder, 1-3 parts of cross-linking agent, 1-5 parts of coagulant and 1-5 parts of stabilizer, wherein the polyvinyl alcohol, the sulphoaluminate cement, the quartz powder, the slag powder, the gypsum powder and the quicklime are added into a ball mill and ground into particles with the average particle size of 2mm, and then the particles, the cross-linking agent, the coagulant and the stabilizer are put into a stirrer to be uniformly stirred, so that the mining high-strength anti-shrinkage water plugging material is prepared. The invention effectively improves the disadvantages of large shrinkage and low strength of the original inorganic material.
Description
Technical Field
The invention relates to the technical field of mine materials, in particular to a high-strength anti-shrinkage water plugging material applied to underground coal mines and a preparation method thereof.
Background
The complex hydrogeological conditions of coal mines in China cause many coal mines to be saturated with flood hazards. On one hand, the water damage can lead to the construction environment of workers to be severe and seriously affect the mining progress of a coal mine, on the other hand, the water drainage facility of the coal mine is greatly tested, and the water drainage cost is increased, so that the prevention and the control of the water damage of the coal mine are of great practical significance. The water plugging material is an important method for preventing water damage, and by using the water plugging material, the burden of coal mine drainage can be reduced, the coal mining efficiency is improved, the service life of a coal mine is prolonged, and the like.
In recent years, water plugging technology is widely applied to various mine projects, and various water plugging materials are developed by various research institutions. At present, the water plugging materials on the market are mainly divided into inorganic water plugging materials and organic water plugging materials. The organic water plugging material has the advantages of low viscosity, quick solidification time and high strength, and simultaneously has high cost, overhigh reaction temperature, easy fire hazard and other defects, thereby inhibiting the large-scale application of the organic water plugging material. The inorganic water plugging material is the most commonly used material at present, has the advantages of low cost and wide material utilization, but also has the defects of large cement shrinkage after hardening, unsatisfactory water plugging effect and low compressive strength.
Disclosure of Invention
The invention aims to provide a mining high-strength shrinkage-resistant water plugging material and a preparation method thereof, which aim to solve the problems of serious shrinkage and low compressive strength of the inherent inorganic water plugging material after hardening.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mining high-strength anti-shrinkage water plugging material comprises the following raw materials in parts by mass: 3-10 parts of polyvinyl alcohol, 50-70 parts of sulphoaluminate cement, 5-20 parts of quartz powder, 3-15 parts of slag powder, 2-6 parts of gypsum powder, 2-5 parts of quick lime, 1-5 parts of retarder, 1-3 parts of cross-linking agent, 1-5 parts of coagulant and 1-5 parts of stabilizer.
Further, the gypsum powder is one or a mixture of two of dihydrate gypsum and hemihydrate gypsum.
Further, the retarder is one or a mixture of citric acid, sodium gluconate, tartaric acid and ethylenediamine tetraacetic acid.
Further, the coagulant is one or more of lithium carbonate, sodium bicarbonate, calcium chloride, sodium nitrate, calcium nitrate, sodium nitrite and calcium nitrite.
Further, the cross-linking agent is one or a mixture of more of glutaraldehyde, epichlorohydrin, boric acid, sodium sulfate and zinc sulfate.
Further, the stabilizer is one or a mixture of more of hydroxypropyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl hydroxyethyl cellulose, sodium polyacrylate and sodium polyacrylate.
A preparation method of a mining high-strength anti-shrinkage water plugging material comprises the following steps:
step 1: respectively weighing polyvinyl alcohol, sulphoaluminate cement, quartz powder, slag powder, gypsum powder, quicklime, a retarder, a cross-linking agent, a coagulant and a stabilizer in parts by weight;
and 2, adding the polyvinyl alcohol, the sulphoaluminate cement, the quartz powder, the slag powder, the gypsum powder and the quick lime which are weighed in the step 1 into a ball mill, grinding the mixture to obtain particles with the average particle size of 2mm, and then putting the particles, the cross-linking agent, the coagulant and the stabilizer into a stirrer to be uniformly stirred to obtain the high-strength shrinkage-resistant water plugging material for the mine.
Compared with the prior art, the invention has the following beneficial technical effects:
the high-strength shrinkage-resistant water plugging material for the mine is added with a reinforcing component on the basis of the early strength of sulphoaluminate cement, so that the material has a microcosmic filling effect on one hand, and contains an active component SiO on the other hand2With Al2O3Respectively with Ca (OH) in cement hydration reaction2The reaction generates a large amount of C-S-H and ettringite with certain micro-expansion performance, accelerates the hydration reaction of the cement, improves the compressive strength of the material and compensates the inherent contractibility of the cement. Meanwhile, the polyvinyl alcohol crosslinked gel is introduced, so that the gel can enter cracks to form plugging and prevent the cracks from expanding, and on the one hand, the inorganic component of the material is used as a supporting framework to form a gel system with a three-dimensional network structure, so that the cracks in the components are filled, the compounding of the gel system and the components is realized, the strength of the material can be ensured, and the shrinkage resistance and the toughness of the material are enhanced.
Detailed Description
Embodiments of the invention are described in further detail below:
the invention provides a mining high-strength anti-shrinkage water plugging material which is prepared by mixing the following raw materials in parts by weight: 3-10 parts of polyvinyl alcohol, 50-70 parts of sulphoaluminate cement, 5-20 parts of quartz powder, 3-15 parts of slag powder, 2-6 parts of gypsum powder, 2-5 parts of quick lime, 1-5 parts of retarder, 1-3 parts of cross-linking agent, 1-5 parts of coagulant and 1-5 parts of stabilizer.
Wherein the gypsum powder is one or more of dihydrate gypsum and hemihydrate gypsum; the retarder is one or more of citric acid, sodium gluconate, tartaric acid, ethylene diamine tetraacetic acid and the like; the coagulant is one or more of lithium carbonate, sodium bicarbonate, calcium chloride, sodium nitrate, calcium nitrate, sodium nitrite, calcium nitrite and the like; the cross-linking agent is one or a mixture of more of glutaraldehyde, epoxy chloropropane, boric acid, sodium sulfate, zinc sulfate and the like; the stabilizer is one or more of hydroxypropyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl hydroxyethyl cellulose, sodium polyacrylate and the like.
A preparation method of a mining high-strength anti-shrinkage water plugging material comprises the following steps:
step 1, respectively weighing polyvinyl alcohol, sulphoaluminate cement, quartz powder, slag powder, gypsum powder, quicklime, a retarder, a cross-linking agent, a coagulant and a stabilizer according to the mass part ratio;
and 2, adding the polyvinyl alcohol, the sulphoaluminate cement, the quartz powder, the slag powder, the gypsum powder and the quicklime weighed in the step 1 into a ball mill, grinding the mixture to obtain particles with the average particle size of 2mm, and then putting the particles, the cross-linking agent, the coagulant and the stabilizer into a stirrer to be uniformly stirred to obtain the high-strength water plugging material.
The present invention is described in further detail below with reference to examples:
example 1
Respectively weighing 300g of polyvinyl alcohol, 5820g of sulphoaluminate cement, 500g of quartz powder, 1500g of slag powder, 600g of dihydrate gypsum and 480g of quicklime, mixing, grinding by using a ball mill to obtain particles with the average particle size of 2mm, then adding 100g of sodium gluconate, 200g of sodium sulfate, 200g of sodium nitrate and 300g of hydroxypropyl methyl cellulose, and stirring for 30min by using a stirrer to obtain the calcium sulphate calcium sulfate.
Example 2
Respectively weighing 500g of polyvinyl alcohol, 6610g of sulphoaluminate cement, 1000g of quartz powder, 550g of slag powder, 240g of semi-hydrated gypsum and 400g of quick lime, mixing, grinding by using a ball mill to obtain particles with the average particle size of 2mm, then adding 100g of citric acid, 100g of boric acid, 200g of lithium carbonate and 300g of carboxymethyl hydroxyethyl cellulose, and stirring for 30min by using a stirrer to obtain the calcium sulfate.
Example 3
Respectively weighing 1000g of polyvinyl alcohol, 5340g of sulphoaluminate cement, 2000g of quartz powder, 400g of slag powder, 150g of dihydrate gypsum, 150g of hemihydrate gypsum and 200g of quick lime, mixing, grinding by using a ball mill to obtain particles with the average particle size of 2mm, adding 130g of tartaric acid, 50g of zinc sulfate, 50g of epoxy chloropropane, 130g of calcium chloride, 100g of sodium nitrite and 300g of sodium polyacrylate, and stirring by using a stirrer for 30min to obtain the calcium sulfate.
Example 4
Respectively weighing 900g of polyvinyl alcohol, 5000g of sulphoaluminate cement, 1800g of quartz powder, 300g of slag powder, 200g of semi-hydrated gypsum and 500g of quick lime, mixing the materials, grinding the mixture by using a ball mill to obtain particles with the average particle size of 2mm, then adding 200g of sodium gluconate, 200g of tartaric acid, 100g of boric acid, 400g of lithium carbonate, 200g of carboxymethyl hydroxyethyl cellulose and 200g of hydroxyethyl cellulose, and stirring the mixture for 30min by using a stirrer to obtain the calcium carbonate.
Example 5
Respectively weighing 300g of polyvinyl alcohol, 7000g of sulphoaluminate cement, 500g of quartz powder, 1100g of slag powder, 200g of semi-hydrated gypsum and 400g of quick lime, mixing, grinding by using a ball mill to obtain particles with the average particle size of 2mm, then adding 200g of tartaric acid, 300g of citric acid, 100g of boric acid, 100g of lithium carbonate and 100g of carboxymethyl hydroxyethyl cellulose, and stirring for 30min by using a stirrer to obtain the calcium sulfate.
Example 6
Respectively weighing 900g of polyvinyl alcohol, 5600g of sulphoaluminate cement, 1000g of quartz powder, 500g of slag powder, 300g of semi-hydrated gypsum and 300g of quick lime, mixing, grinding by using a ball mill to obtain particles with the average particle size of 2mm, then adding 100g of citric acid, 300g of boric acid, 500g of lithium carbonate and 500g of carboxymethyl hydroxyethyl cellulose, and stirring for 30min by using a stirrer to obtain the calcium sulfate.
The materials in the above examples and water were mixed uniformly in a mass ratio of 10:4 and poured out to a mold, and the performance indexes are listed in the following table.
The compressive strength tested in the table above can be obtained, the compressive strength of the water plugging material of the invention is improved by 20-30% compared with the common water plugging material in the market, and meanwhile, due to the rapid solidification and hardening of the material, the shrinkage caused by the slow water evaporation of solidification is avoided.
Claims (2)
1. The mining high-strength anti-shrinkage water plugging material is characterized by comprising the following raw materials in parts by mass: 3-10 parts of polyvinyl alcohol, 50-70 parts of sulphoaluminate cement, 5-20 parts of quartz powder, 3-15 parts of slag powder, 2-6 parts of gypsum powder, 2-5 parts of quick lime, 1-5 parts of retarder, 1-3 parts of cross-linking agent, 1-5 parts of coagulant and 1-5 parts of stabilizer; the gypsum powder is one or a mixture of dihydrate gypsum and semi-hydrate gypsum; the retarder is one or more of citric acid, sodium gluconate, tartaric acid and ethylenediamine tetraacetic acid; the coagulant is one or more of lithium carbonate, sodium bicarbonate, calcium chloride, sodium nitrate, calcium nitrate, sodium nitrite and calcium nitrite; the cross-linking agent is one or a mixture of more of glutaraldehyde, epoxy chloropropane, boric acid, sodium sulfate and zinc sulfate; the stabilizer is one or more of hydroxypropyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl hydroxyethyl cellulose, sodium polyacrylate and sodium polyacrylate.
2. The preparation method of the mining high-strength shrinkage-resistant water plugging material according to claim 1 is characterized by comprising the following steps:
step 1: respectively weighing polyvinyl alcohol, sulphoaluminate cement, quartz powder, slag powder, gypsum powder, quicklime, a retarder, a cross-linking agent, a coagulant and a stabilizer in parts by weight;
and 2, adding the polyvinyl alcohol, the sulphoaluminate cement, the quartz powder, the slag powder, the gypsum powder and the quicklime weighed in the step 1 into a ball mill, grinding the mixture to particles with the average particle size of 2mm, and then putting the particles, the cross-linking agent, the coagulant and the stabilizer into a stirrer to be uniformly stirred to obtain the high-strength shrinkage-resistant water plugging material for the mine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011128847.XA CN112174618B (en) | 2020-10-20 | 2020-10-20 | Mining high-strength anti-shrinkage water plugging material and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011128847.XA CN112174618B (en) | 2020-10-20 | 2020-10-20 | Mining high-strength anti-shrinkage water plugging material and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112174618A CN112174618A (en) | 2021-01-05 |
CN112174618B true CN112174618B (en) | 2022-05-31 |
Family
ID=73923006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011128847.XA Active CN112174618B (en) | 2020-10-20 | 2020-10-20 | Mining high-strength anti-shrinkage water plugging material and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112174618B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113372899A (en) * | 2021-06-07 | 2021-09-10 | 西南石油大学 | Inorganic composite gel system |
FI20216322A1 (en) * | 2021-12-22 | 2023-06-23 | Teknologian Tutkimuskeskus Vtt Oy | A cementitious composition, a composite material, and a method of manufacturing the composite material |
CN114230286B (en) * | 2021-12-31 | 2023-04-07 | 苏州上建杭鑫混凝土有限公司 | High-crack-resistance and high-durability fair-faced concrete |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB899962A (en) * | 1960-03-02 | 1962-06-27 | Pilkington Tiles Ltd | Improvements in mortar and grouting or pointing compositions |
CN1709821A (en) * | 2005-06-08 | 2005-12-21 | 张振秋 | Cement-base dual-liquid slip-casting material |
CN101913840A (en) * | 2010-08-10 | 2010-12-15 | 刘茂平 | Rapid hardening high-strength grouting material |
CN105884302A (en) * | 2016-04-14 | 2016-08-24 | 徐州卧牛山新型防水材料有限公司 | Fast-curing, waterproof and leakage-preventing material capable of being constructed under low temperature condition |
CN107176812A (en) * | 2017-07-19 | 2017-09-19 | 张聪聪 | High intensity contraction-free grouting concrete and its production method |
CN111170693A (en) * | 2020-01-10 | 2020-05-19 | 重庆中科建设(集团)有限公司 | High-performance grouting material for fabricated building and preparation method thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106830848B (en) * | 2017-03-14 | 2019-06-07 | 中交武汉港湾工程设计研究院有限公司 | A kind of tunnel leak stopping patching material and preparation method thereof |
-
2020
- 2020-10-20 CN CN202011128847.XA patent/CN112174618B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB899962A (en) * | 1960-03-02 | 1962-06-27 | Pilkington Tiles Ltd | Improvements in mortar and grouting or pointing compositions |
CN1709821A (en) * | 2005-06-08 | 2005-12-21 | 张振秋 | Cement-base dual-liquid slip-casting material |
CN101913840A (en) * | 2010-08-10 | 2010-12-15 | 刘茂平 | Rapid hardening high-strength grouting material |
CN105884302A (en) * | 2016-04-14 | 2016-08-24 | 徐州卧牛山新型防水材料有限公司 | Fast-curing, waterproof and leakage-preventing material capable of being constructed under low temperature condition |
CN107176812A (en) * | 2017-07-19 | 2017-09-19 | 张聪聪 | High intensity contraction-free grouting concrete and its production method |
CN111170693A (en) * | 2020-01-10 | 2020-05-19 | 重庆中科建设(集团)有限公司 | High-performance grouting material for fabricated building and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN112174618A (en) | 2021-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112174618B (en) | Mining high-strength anti-shrinkage water plugging material and preparation method thereof | |
CN103102089B (en) | Binding material for filling fine-grain tailings | |
CN105622006B (en) | A kind of low-temperature high-early strength high-strength underwater grouting material | |
CN103159440B (en) | Cement based ungauged regions wall-through hole plugging material and preparation method thereof and constructional method | |
WO2021012937A1 (en) | High-strength coral concrete and preparation method therefor | |
CN106220115B (en) | The gypsum based self-leveling mortar and preparation method thereof prepared using iron tailings fine sand | |
CN106810176A (en) | A kind of low viscosity upper flow regime strength cement-based grouting material | |
CN106830856A (en) | A kind of ungauged regions reinforcing bar sleeve for connection grouting material and preparation method thereof | |
CN110759676A (en) | Early-strength shrinkage-free full-tailings cemented filling material and preparation method thereof | |
CN107827422B (en) | High-waterproof synchronous grouting slurry for submarine shield tunnel | |
CN102815963B (en) | High-water-content micro-expansion filling material composition | |
CN105967591A (en) | High-fluidity duct grouting material suitable for ultra-long pre-stressed ducts, and preparation method thereof | |
CN111574170B (en) | Underground goaf filling material and preparation method thereof | |
CN102757193A (en) | Composite admixture for concrete | |
CN107399948A (en) | Fill strong concrete and its preparation and the application of iron tailings sand | |
CN103787601A (en) | Iron ore full-tailing filling gel material prepared by using sintering desulfuration ash instead of gypsum | |
CN111170758A (en) | Foam concrete, preparation method and application thereof | |
CN115180913A (en) | Expansion type full-tailing filling material for top filling of mine goaf | |
CN112028594A (en) | Cement-water glass double-liquid grouting material with stable product for shield synchronous grouting | |
CN111606614A (en) | Filling material containing lithium mica slag and preparation method and application thereof | |
CN108147754A (en) | A kind of bearing mortar | |
CN110218068A (en) | The preparation method of half water ardealite cement base phase-change accumulation energy gravity flowing levelling mortar of ground | |
CN117003527A (en) | Concrete for grouting and sealing bottom under strong flowing working condition in broken foundation pit and construction method | |
CN114804789B (en) | Quick-setting type cement roll anchoring agent and preparation method thereof | |
CN114105502B (en) | Cementing material, historic building repair mortar and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220901 Address after: 714026 north side of South Street, new area, high tech Industrial Development Zone, Weinan City, Shaanxi Province Patentee after: Weinan Shaanxi coal Qichen Technology Co.,Ltd. Address before: No.166, Shenzhou 7th Road, aerospace base, Xi'an City, Shaanxi Province, 710100 Patentee before: SHAANXI COAL AND CHEMICAL TECHNOLOGY INSTITUTE Co.,Ltd. |