CN104529353A - Inorganic expansive grouting material for mine gas sealing layer and preparation method of expansive grouting material - Google Patents
Inorganic expansive grouting material for mine gas sealing layer and preparation method of expansive grouting material Download PDFInfo
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- CN104529353A CN104529353A CN201410792858.6A CN201410792858A CN104529353A CN 104529353 A CN104529353 A CN 104529353A CN 201410792858 A CN201410792858 A CN 201410792858A CN 104529353 A CN104529353 A CN 104529353A
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Abstract
The invention discloses an inorganic expansive grouting material for a mine gas sealing layer and a preparation method of the expansive grouting material, and relates to a grouting material for the mine gas sealing layer; the grouting material consists of the following materials in parts by weight: 10-50 parts of silicon bauxite clay, 20-45 parts of sulfoaluminate clinker, 10-30 parts of gypsum, 5-15 parts of lime, 0.6-1.3 parts of a naphthalene water reducer and 55% of water in terms of the total weight of the solid materials. The grouting material is prepared by firstly breaking the various solid materials, then weighing the materials according to proportions and grinding the materials into fine powder by virtue of a ball mill, and mixing the raw materials in fine powder with additional water according to proportions. The product disclosed by the invention can be used for sealing a gas isolating layer, and can be also used for filling a grouting worked-out section of a mine abscission zone and for fire preventing and extinguishing as well as waterproofing and leaking stoppage; effects are relatively ideal; and the grouting material has the advantages of being environment-friendly, energy-saving and low in cost.
Description
Technical field
The present invention relates to a kind of colliery grouting material, inorganic expansive grouting material being specially coal-mine gas sealer coat and preparation method thereof.
Background technology
At present, coal mine gas sealer coat is closed by slip casting colliery sealing coat, reaches the object preventing coal mine gas from revealing.The organic polymer material of tradition makes grouting material as urethane etc., although respond well, there is expensive and problems such as construction pollution.Also have and adopt cement mud-jack to carry out sealing of hole, but sealing effectiveness is undesirable.
Summary of the invention
The object of this invention is to provide inorganic expansive grouting material of a kind of novel coal-mine gas sealer coat and preparation method thereof, by grouting method, reach the object of closed gas sealing coat.Grouting material of the present invention is inorganic materials, and have environmental protection, the advantage such as energy-conservation and cheap, it forms sealer coat after rib slip casting, thus plays the effect preventing coal mine gas from leaking.
For achieving the above object, technical scheme of the present invention is: coal-mine gas sealer coat inorganic expansive grouting material, count by weight, it consists of: sal clay 10-50 part, sulfoaluminate clinker 20-45 part, gypsum 10-30 part, lime 5-15 part, naphthalene water reducer 0.6-1.3 part, and the water of additional above-mentioned solid materials gross weight 55%.
Described sal clay can adopt montmorillenite.
Further, described coal-mine gas sealer coat inorganic expansive grouting material, also containing the above-mentioned diatomite of solid materials gross weight 5-10% and the tripoly phosphate sodium STPP of 0.1-0.3%.On above-mentioned formula basis, add diatomite and these two kinds of components of tripoly phosphate sodium STPP, the degree of scatter of powder material in grouting material can be improved further, improve the cohesive force between grouting material and surrounding colliery ground and filling effect, and then strengthen sealing effectiveness.
The preparation method of the inorganic expansive grouting material of described coal-mine gas sealer coat is: above-mentioned each solid materials is first carried out fragmentation, adds ball mill grinding and becomes fine powder, then fine powder raw material and additional water are mixed in proportion after then weighing by described proportioning.
Each solid materials in described grouting material is packaged as finished product with plastic packaging bag after carrying out fragmentation, grinding.During use, external adding water mixes in proportion at the scene, with stirrer making beating, then the slurry made is injected into tube wall with in very microporous special PVC plastics tubing through high-pressure spray gun, and plastics tubing inserts in the hole that bores in advance with air drill in mine sealer coat.After in high-pressure slurry injected plastic pipe, slurry very fast by micropore to ground diffusion around plastics tubing, expand and solidify, serve the sealing function of closed sealing coat.
Beneficial effect: product of the present invention is except closed gas sealing coat, and can also be used for groating at bed seperated zone worked-out section, colliery and fill, fire extinguishing and waterproofing and leakage-stopping, effect is all more satisfactory.Products material of the present invention is proportioning science, and preparation technology is simple, and cheaper starting materials is easy to get, economical and practical, excellent performance.Its powder material adds water the rear expansion 10-15 of reaction doubly, and viscosity is large, and shutoff crack is good, and reductibility is strong, its suitable pumping, saves people's force-summing device, and does not pollute the environment, harmless.
Embodiment
Embodiment 1
Count by weight, montmorillenite 30 parts, sulfoaluminate clinker 35 parts, 20 parts, gypsum, 10 parts, lime, naphthalene water reducer 1 part, and the water of additional above-mentioned material gross weight 55%.After each solid materials is ground to the fine powder material about 200 orders, external adding water is used in combination.
Embodiment 2
Count by weight, montmorillenite 10 parts, sulfoaluminate clinker 40 parts, 30 parts, gypsum, 15 parts, lime, naphthalene water reducer 0.6 part, and the water of additional above-mentioned material gross weight 55%.After each solid materials is ground to the fine powder material about 200 orders, external adding water is used in combination.
Embodiment 3
Count by weight, montmorillenite 50 parts, sulfoaluminate clinker 20 parts, 15 parts, gypsum, 10 parts, lime, naphthalene water reducer 1.3 parts, and the water of additional above-mentioned material gross weight 55%.After each solid materials is ground to the fine powder material about 200 orders, external adding water is used in combination.
Embodiment 4
Count by weight, sal clay powder 30 parts, sulfoaluminate clinker 20 parts, 30 parts, gypsum, 15 parts, lime, naphthalene water reducer 1 part, 5 parts, diatomite, tripoly phosphate sodium STPP 0.2 part.After each solid materials is ground to the fine powder material about 200 orders, the water of additional above-mentioned material gross weight 55% is used in combination.
No matter grouting material formula cited by the various embodiments described above is close for coal-mine gas sealing coat, or the filling of groating at bed seperated zone worked-out section, colliery, fire extinguishing and waterproofing and leakage-stopping, all plays good effect.It is closed for coal-mine gas sealing coat, and alternative traditional organic materials urethane uses as grouting material, good sealing effect, and environmental protection is harmless.
Claims (3)
1. coal-mine gas sealer coat inorganic expansive grouting material, it is characterized in that: count by weight, it consists of: sal clay 10-50 part, sulfoaluminate clinker 20-45 part, gypsum 10-30 part, lime 5-15 part, naphthalene water reducer 0.6-1.3 part, and the water of additional above-mentioned solid materials gross weight 55%.
2. coal-mine gas sealer coat inorganic expansive grouting material as claimed in claim 1, is characterized in that: also containing the above-mentioned diatomite of solid materials gross weight 5-10% and the tripoly phosphate sodium STPP of 0.1-0.3%.
3. the coal-mine gas sealer coat as claimed in claim 1 or 2 preparation method of inorganic expansive grouting material, it is characterized in that: above-mentioned each solid materials is first carried out fragmentation, then add ball mill grinding after weighing by described proportioning and become fine powder, again fine powder raw material and additional water are mixed in proportion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792858.6A CN104529353B (en) | 2014-12-20 | 2014-12-20 | Inorganic expansive grouting material for mine gas sealing layer and preparation method of expansive grouting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792858.6A CN104529353B (en) | 2014-12-20 | 2014-12-20 | Inorganic expansive grouting material for mine gas sealing layer and preparation method of expansive grouting material |
Publications (2)
| Publication Number | Publication Date |
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| CN104529353A true CN104529353A (en) | 2015-04-22 |
| CN104529353B CN104529353B (en) | 2017-01-11 |
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| CN201410792858.6A Expired - Fee Related CN104529353B (en) | 2014-12-20 | 2014-12-20 | Inorganic expansive grouting material for mine gas sealing layer and preparation method of expansive grouting material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876528A (en) * | 2015-05-18 | 2015-09-02 | 河南理工大学 | Method for preparing double-liquid type early-strength injecting paste material from lithium-aluminum hydrotalcite |
Citations (4)
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|---|---|---|---|---|
| CN101450849A (en) * | 2007-11-30 | 2009-06-10 | 中国京冶工程技术有限公司 | Expansion agent for composite high performance grouting |
| CN101723641A (en) * | 2009-12-15 | 2010-06-09 | 中国矿业大学 | Fire-prevention and leaking-stoppage thickened pulverized fuel ash slurry of goaf and preparation method thereof |
| CN102491669A (en) * | 2011-11-14 | 2012-06-13 | 南京瑞迪高新技术有限公司 | Special plastic expansion agent for cement-based grouting material and preparation method of same |
| CN103193449A (en) * | 2013-04-03 | 2013-07-10 | 巴斯夫浩珂矿业化学（中国）有限公司 | Rapid-hardening micro-expansion hole sealing material |
-
2014
- 2014-12-20 CN CN201410792858.6A patent/CN104529353B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450849A (en) * | 2007-11-30 | 2009-06-10 | 中国京冶工程技术有限公司 | Expansion agent for composite high performance grouting |
| CN101723641A (en) * | 2009-12-15 | 2010-06-09 | 中国矿业大学 | Fire-prevention and leaking-stoppage thickened pulverized fuel ash slurry of goaf and preparation method thereof |
| CN102491669A (en) * | 2011-11-14 | 2012-06-13 | 南京瑞迪高新技术有限公司 | Special plastic expansion agent for cement-based grouting material and preparation method of same |
| CN103193449A (en) * | 2013-04-03 | 2013-07-10 | 巴斯夫浩珂矿业化学（中国）有限公司 | Rapid-hardening micro-expansion hole sealing material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876528A (en) * | 2015-05-18 | 2015-09-02 | 河南理工大学 | Method for preparing double-liquid type early-strength injecting paste material from lithium-aluminum hydrotalcite |
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| CN104529353B (en) | 2017-01-11 |
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