CN104478367A - Cavity filling hydraulic inorganic powdery foam material, as well as application thereof - Google Patents
Cavity filling hydraulic inorganic powdery foam material, as well as application thereof Download PDFInfo
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- CN104478367A CN104478367A CN201410831997.5A CN201410831997A CN104478367A CN 104478367 A CN104478367 A CN 104478367A CN 201410831997 A CN201410831997 A CN 201410831997A CN 104478367 A CN104478367 A CN 104478367A
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- 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 relates to a composition containing an inorganic binder, as well as an application thereof, in particular to a cavity filling powdery foam material containing the inorganic binder, as well as application thereof, and aims to provide a cavity filling hydraulic inorganic powdery foam material, which has the advantages of low forming temperature, quickness in solidification, small density and high foam expansion, as well as application thereof. The inorganic powdery foam material is prepared from the following raw materials: cement, gypsum powders, coal ash powders, milled slag powders, quartz powders, silica fume, carbonate powders, a foaming agent, and coagulant powders. The inorganic powdery foam material provided by the invention has the advantages that the raw materials are easy to obtain, and the product is easy to preserve; when in use, the inorganic powdery foam material achieves high simplicity and convenience in operation, low forming temperature, quickness in solidification, small density and high foam expansion. The inorganic powdery foam material is applicable to fields such as underground filling or firefighting of coal mines, etc.
Description
Technical field
The present invention relates to a kind of composition containing inorganic binder and application thereof, particularly relate to a kind of powder foam material containing inorganic binder for hole filling and application thereof.
Background technology
Along with the development of colliery mining industry, more and more higher to down-hole coal excavation safety requirements.At present, China is used in the organic polymer compaction material of underground coal mine up to 5000 tons, and this macromolecular material mainly contains resol class compaction material, polyurethanes compaction material etc.Chinese invention patent CN103627136A describes a kind of coal mine filling sealing high molecular foam material, and this foam material, based on phenolic resin structure, mainly applies to hole, down-hole and cavity position carries out filling treatment.Organic polymer compaction material filling velocity is fast, filling multiple is high, quick construction, has obtained the accreditation of many collieries.But organic polymer compaction material temperature of reaction is high, uses in gassy mine and there is serious potential safety hazard; In addition, general polymer compaction material, in order to reach flame retardant properties requirement, all will mix flame retardant constituent, and this flame retardant constituent catches fire generation smog, self-rescuer can be made to lose efficacy, easily occur life danger.Organic polymer compaction material is expensive, is unfavorable for coal production cost control.Chinese invention patent CN103553482A and CN102850003B all describes and uses inorganic materials as underground filling materials'use, but above-mentioned two kinds of inorganic filling material foam expansion are little or do not foam, foam theory adopts chemical foaming form, can produce large to density after the harmful gas in down-hole slow, curing molding as long, shaping in oxygen (to harmful after waste roadway, little kiln old liberated area, working face frame), body time of coagulation, to reasons such as roof and floor pressure are large, be not suitable for the requirement of underground coal mine Fast Filling.Do not have the requirement that useful space effective sealing is airtight, and play effective fire extinguishing effect yet.
At present, at the analogous products of other industry as the silicates such as foam cement, foamed concrete light material because its operating procedure is complicated, the features such as strength of materials slower development, product oxygen, are not adapted at underground coal mine and use.
Summary of the invention
The technical problem to be solved in the present invention is to provide the rigid inorganic powder foam material of hole filling water and application thereof that a kind of mold temperature is low, consolidation is fast, density is little, foam expansion is large.
The rigid inorganic powder foam material of a kind of hole filling water of the present invention, it comprises following raw material by mass fraction: the accelerant powder of the fine coal ashes of the cement of 20-60 part, the terra alba of 10-40 part, 10-20 part, the wollastonite powder of 10-20 part, the carbonate powder of 1-10 part, the whipping agent of 1-5 part and 5-10 part.
Further, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, described cement is one or more in silicate cement, ordinary Portland cement, slag cement, pulverized fuel ash cement, aluminate cement, aluminosulfate cement, ferro-aluminate cement.
Further, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, described terra alba is one or more in anhydrous plaster powder, semi-hydrated gypsum powder, fluorine gypsum powder.
Further, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, described fine coal ashes is one or both in first level flour coal ash powder, second class powered coal ash powder.
Further, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, described wollastonite powder is one or more in metallic silicon power, high-purity silicon powder, nano silica fume, and its fineness is 400-3000 order.
Further, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, described carbonate powder is one or more in sodium carbonate, sodium bicarbonate, calcium carbonate, Calcium hydrogen carbonate, Quilonum Retard, magnesiumcarbonate.
Further, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, described whipping agent is pulvis, and it is one or more in rosined soap whipping agent, animal protein foaming agent, vegetable-protein whipping agent.
Further, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, described accelerant powder is one or more in water glass powder, potassium silicate powder, Sodium Nitrite powder, sodium hydroxide powder, calcium hydroxide powder, bauxite cement, Aluminium Sulphate usp (powder).
Optionally, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, also comprises the ground slag powder of 0.1-10 part by mass fraction.
Optionally, the rigid inorganic powder foam material of a kind of hole filling water of the present invention, also comprises the silica powder of 0.1-10 part by mass fraction.
The application of the rigid inorganic powder foam material of a kind of hole of the present invention filling water, it is filled for underground coal mine or down-hole fire extinguishing.
Further, the application of the rigid inorganic powder foam material of a kind of hole of the present invention filling water, described filling in mine, comprises the following steps:
One, the raw material of rigid for hole of the present invention filling water inorganic powder foam material is added agitator, be uniformly mixed 15min, be i.e. obtained powder mixture;
Two, be that 1:1-3 mix with water according to mass ratio by product obtained in step one, by screw grouting pump high-speed stirring with export continuously, foam slurry can be formed, foam slurry is placed in the position needing filling.
A kind of hole of the present invention filling water rigid inorganic powder foam material and application thereof compared with prior art have following beneficial effect:
1, the rigid inorganic powder foam material of a kind of hole of the present invention filling water, raw material is easy to obtain, and is all powder body material, uses dry powder moisture barrier bag packaging, can reduce production, packaging, transport, storage cost; And not by regional impact, as endured cold at north of china in winter material.
2, the present invention's whipping agent used is pulvis, directly foams with water mix and blend, belong to pure physical blowing during materials'use, does not produce any gas be harmful to underground coal mine as oxygen, carbonic acid gas etc.
3, formed product temperature of the present invention is low, produces heat hardly, and temperature of reaction is less than 40 DEG C, is particularly suitable for high methane, high-temperature mine filling encapsulation process.Product of the present invention overcome organic polymer compaction material temperature of reaction high, containing shortcoming such as objectionable constituent harm personal security etc.
4, product consolidation of the present invention is fast, and can reach 2 minutes and not flow, rapid shaping, wet density is less than 300kg/m
3, can be used for the filling of hole, down-hole.
5, water consumption of the present invention is large, and water cement ratio can reach 2 ~ 3 times of mass ratioes, far above the water consumption of prior art, can be applicable to high-temperature mine fire extinguishing.
6, the present invention adopts the slip casting of spiral pump equipment continuous mixing, and pulvis and water can obtain foam by pumping and starch, and without the need to bubble processed in advance, simplifies moulding process, and can accomplish that continous way is constructed simultaneously.
7, application operating of the present invention is simple and convenient, and foaming materials performance can adjust according to on-the-spot actual demand, and it is large that gained obturator has foam expansion, 15 times can be reached, from heavy and light after forming materials, too much pressure can not be caused to top, base plate, reach coal mine downhole safety requirement.
Embodiment
Embodiment 1
The rigid inorganic powder foam material of hole filling water of the present embodiment is prepared by the raw material of sequence number 1-3 in table 1-3.
The application of the rigid inorganic powder foam material of hole filling water of the present embodiment, it is for large volume filling after down-hole Collapsed zone, hole and frame.It carries out according to the following steps:
One, raw material is added agitator, be uniformly mixed 15min, be i.e. obtained powder mixture;
Two, be that 1:2 mix with water according to mass ratio by powder mixture obtained in step one, by screw grouting pump high-speed stirring and output continuously, can form foam slurry, after foam slurry is placed in down-hole Collapsed zone, hole and frame by grouting pipeline, filling is carried out in large volume position.
Embodiment 2
The rigid inorganic powder foam material of hole filling water of the present embodiment is prepared by the raw material of sequence number 4-6 in table 1-3.
The application of the rigid inorganic powder foam material of hole filling water of the present embodiment, it, for upper and lower corner Fast Filling, carries out according to the following steps:
One, raw material is added agitator, be uniformly mixed 15min, be i.e. obtained powder mixture;
Two, be that 1:2.5 mix with water according to mass ratio by powder mixture obtained in step one, by screw grouting pump high-speed stirring and output continuously, obtain foam slurry at delivery tube crossing, in the framework that the upper and lower corner of foam slurry injection is accomplished fluently in advance, can filling be completed.
Embodiment 3
The rigid inorganic powder foam material of hole filling water of the present embodiment is prepared by the raw material of sequence number 7-9 in table 1-3.
The application of the rigid inorganic powder foam material of hole filling water of the present embodiment, it catches fire for underground coal mine or high-temperature area filling sealing, carries out according to the following steps:
One, raw material is added agitator, be uniformly mixed 15min, be i.e. obtained powder mixture;
Two, be that 1:3 mix with water according to mass ratio by powder mixture obtained in step one, by screw grouting pump high-speed stirring and output continuously, foam slurry can be formed, foam slurry is injected into down-hole ignition zone by grouting pipeline or high-temperature area carries out filling sealing and fire extinguishing.
Embodiment 4
The rigid inorganic powder foam material of hole filling water of the present embodiment is prepared by the raw material of sequence number 10-12 in table 1-3.
The application of the rigid inorganic powder foam material of hole filling water of the present embodiment, it, for down-hole temporary airtight wall Fast Filling sealing supporting, carries out according to the following steps:
One, raw material is added agitator, be uniformly mixed 15min, be i.e. obtained powder mixture;
Two, be that 1:1 carry out mix by screw grouting pump high-speed stirring and continuously export with water according to mass ratio by powder mixture obtained in step one, foam slurry can be formed, foam slurry is injected in set fire dam by grouting pipeline, the filling sealing supporting of temporary airtight wall can be completed fast.
The cement used in table 1 embodiment 1-4, terra alba and fine coal ashes
The ground slag powder used in table 2 embodiment 1-4, silica powder, wollastonite powder and carbonate powder
The blowing agent powder used in table 3 embodiment 1-4 and accelerant powder
The following index of the material applied in embodiment 1-4 is detected: under normal temperature and pressure, foam slurry wet density, time opening, solidified forming time can be piled up.Result is as shown in table 4.
The performance of material in table 4 embodiment 1-3
As seen from the above table, formed product temperature of the present invention is low, is particularly suitable for high methane, high-temperature mine filling encapsulation process; Product of the present invention can be controlled in 2min the time of piling up; Its wet density of product of the present invention is less than 300kg/m
3, foam expansion can reach 15 times.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (10)
1. the rigid inorganic powder foam material of hole filling water, is characterized in that: comprise following raw material by mass fraction: the accelerant powder of the fine coal ashes of the cement of 20-60 part, the terra alba of 10-40 part, 10-20 part, the wollastonite powder of 10-20 part, the carbonate powder of 1-10 part, the whipping agent of 1-5 part and 5-10 part.
2. the rigid inorganic powder foam material of a kind of hole according to claim 1 filling water, is characterized in that: described cement is one or more in silicate cement, ordinary Portland cement, slag cement, pulverized fuel ash cement, aluminate cement, aluminosulfate cement, ferro-aluminate cement; Described terra alba is one or more in anhydrous plaster powder, semi-hydrated gypsum powder, fluorine gypsum powder; Described fine coal ashes is one or both in first level flour coal ash powder, second class powered coal ash powder.
3. the rigid inorganic powder foam material of a kind of hole according to claim 1 filling water, is characterized in that: described wollastonite powder is one or more in metallic silicon power, high-purity silicon powder, nano silica fume, and its fineness is 400-3000 order.
4. the rigid inorganic powder foam material of a kind of hole according to claim 1 filling water, is characterized in that: described carbonate powder is one or more in sodium carbonate, sodium bicarbonate, calcium carbonate, Calcium hydrogen carbonate, Quilonum Retard, magnesiumcarbonate.
5. the rigid inorganic powder foam material of a kind of hole according to claim 1 filling water, is characterized in that: described whipping agent is pulvis, it is one or more in rosined soap whipping agent, animal protein foaming agent, vegetable-protein whipping agent.
6. the rigid inorganic powder foam material of a kind of hole according to claim 1 filling water, is characterized in that: described accelerant powder is one or more in water glass powder, potassium silicate powder, Sodium Nitrite powder, sodium hydroxide powder, calcium hydroxide powder, bauxite cement, Aluminium Sulphate usp (powder).
7. the rigid inorganic powder foam material of a kind of hole filling water according to claim arbitrary in claim 1-6, is characterized in that: it also comprises the ground slag powder of 0.1-10 part by mass fraction.
8. the rigid inorganic powder foam material of a kind of hole filling water according to claim arbitrary in claim 1-6, is characterized in that: it also comprises the silica powder of 0.1-10 part by mass fraction.
9. an application for the rigid inorganic powder foam material of hole according to claim 1 filling water, is characterized in that: fill for underground coal mine or down-hole fire extinguishing.
10. the application of the rigid inorganic powder foam material of a kind of hole according to claim 9 filling water, is characterized in that: described filling in mine, comprises the following steps:
One, the raw material described in claim 1 is added agitator, be uniformly mixed 15min, be i.e. obtained powder mixture;
Two, be that 1:1-3 mix with water according to mass ratio by powder mixture obtained in step one, by screw grouting pump high-speed stirring with export continuously, foam slurry can be formed, foam slurry is placed in the position needing filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410831997.5A CN104478367A (en) | 2014-12-26 | 2014-12-26 | Cavity filling hydraulic inorganic powdery foam material, as well as application thereof |
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| CN201410831997.5A CN104478367A (en) | 2014-12-26 | 2014-12-26 | Cavity filling hydraulic inorganic powdery foam material, as well as application thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753418A (en) * | 2016-01-27 | 2016-07-13 | 济南大学 | Mine filling cementing material prepared by utilizing industrial by-product gypsum and preparation method for mine filling cementing material |
| CN106220216A (en) * | 2016-07-11 | 2016-12-14 | 中国矿业大学(北京) | A kind of high-strength mining expansion filling fireproofing extinguishing materials and using method thereof |
| CN106587668A (en) * | 2016-12-15 | 2017-04-26 | 攀枝花环业冶金渣开发有限责任公司 | Method for making foundation hole filling material from blast furnace slag |
| CN108278127A (en) * | 2017-12-18 | 2018-07-13 | 固岩科技发展有限公司 | A kind of metal mine consolidated fill method of silicon ash cementitious material against corrosion |
| CN109020371A (en) * | 2018-08-17 | 2018-12-18 | 北京瑞诺安科新能源技术有限公司 | A kind of mining inorganic particle foam filling material of self-expansion type |
| CN111606614A (en) * | 2020-05-06 | 2020-09-01 | 江西理工大学 | Filling material containing lithium mica slag and preparation method and application thereof |
| CN113233854A (en) * | 2021-05-24 | 2021-08-10 | 昆明理工大学 | Preparation method of CaSO 4-based solid waste environment-friendly filling material |
| CN113998973A (en) * | 2021-11-08 | 2022-02-01 | 贵州开磷磷石膏综合利用有限公司 | Rapid waterproof foaming gypsum mortar for filling house interlayer or hole and preparation method thereof |
| CN114292075A (en) * | 2022-03-02 | 2022-04-08 | 徐州意创化工科技有限公司 | Micro-foaming inorganic spraying material and underground coal mine spraying method |
| CN114790825A (en) * | 2022-04-13 | 2022-07-26 | 湖南省富民乐建材科技发展有限公司 | Production and construction method for backfill of caisson type toilet |
| CN116835950A (en) * | 2022-03-23 | 2023-10-03 | 国家能源投资集团有限责任公司 | Mining sealing material and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701671A (en) * | 2012-05-25 | 2012-10-03 | 徐州中国矿大岩土工程新技术发展有限公司 | High-content coal ash foam filling body and preparation method thereof |
| CN102838333A (en) * | 2012-09-17 | 2012-12-26 | 管振忠 | Inorganic foam cement thermal insulation material for outer wall |
| CN103058611A (en) * | 2013-01-15 | 2013-04-24 | 北京太空板业股份有限公司 | Foamed cement material and production and preparation method thereof |
| CN103771817A (en) * | 2012-10-24 | 2014-05-07 | 同济大学 | Desulfurized gypsum foam concrete and preparation method thereof |
-
2014
- 2014-12-26 CN CN201410831997.5A patent/CN104478367A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701671A (en) * | 2012-05-25 | 2012-10-03 | 徐州中国矿大岩土工程新技术发展有限公司 | High-content coal ash foam filling body and preparation method thereof |
| CN102838333A (en) * | 2012-09-17 | 2012-12-26 | 管振忠 | Inorganic foam cement thermal insulation material for outer wall |
| CN103771817A (en) * | 2012-10-24 | 2014-05-07 | 同济大学 | Desulfurized gypsum foam concrete and preparation method thereof |
| CN103058611A (en) * | 2013-01-15 | 2013-04-24 | 北京太空板业股份有限公司 | Foamed cement material and production and preparation method thereof |
| CN103420654A (en) * | 2013-01-15 | 2013-12-04 | 北京太空板业股份有限公司 | Material used for manufacturing foam cement, method for preparing foam cement from same, and foam cement |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105753418A (en) * | 2016-01-27 | 2016-07-13 | 济南大学 | Mine filling cementing material prepared by utilizing industrial by-product gypsum and preparation method for mine filling cementing material |
| CN106220216B (en) * | 2016-07-11 | 2019-04-02 | 中国矿业大学(北京) | A kind of high-strength mining expansion filling fireproofing extinguishing materials and its application method |
| CN106220216A (en) * | 2016-07-11 | 2016-12-14 | 中国矿业大学(北京) | A kind of high-strength mining expansion filling fireproofing extinguishing materials and using method thereof |
| CN106587668A (en) * | 2016-12-15 | 2017-04-26 | 攀枝花环业冶金渣开发有限责任公司 | Method for making foundation hole filling material from blast furnace slag |
| CN108278127A (en) * | 2017-12-18 | 2018-07-13 | 固岩科技发展有限公司 | A kind of metal mine consolidated fill method of silicon ash cementitious material against corrosion |
| CN109020371B (en) * | 2018-08-17 | 2019-07-19 | 北京瑞诺安科新能源技术有限公司 | A kind of mining inorganic particle foam filling material of self-expansion type |
| CN109020371A (en) * | 2018-08-17 | 2018-12-18 | 北京瑞诺安科新能源技术有限公司 | A kind of mining inorganic particle foam filling material of self-expansion type |
| CN111606614A (en) * | 2020-05-06 | 2020-09-01 | 江西理工大学 | Filling material containing lithium mica slag and preparation method and application thereof |
| CN113233854A (en) * | 2021-05-24 | 2021-08-10 | 昆明理工大学 | Preparation method of CaSO 4-based solid waste environment-friendly filling material |
| CN113998973A (en) * | 2021-11-08 | 2022-02-01 | 贵州开磷磷石膏综合利用有限公司 | Rapid waterproof foaming gypsum mortar for filling house interlayer or hole and preparation method thereof |
| CN114292075A (en) * | 2022-03-02 | 2022-04-08 | 徐州意创化工科技有限公司 | Micro-foaming inorganic spraying material and underground coal mine spraying method |
| CN116835950A (en) * | 2022-03-23 | 2023-10-03 | 国家能源投资集团有限责任公司 | Mining sealing material and application thereof |
| CN114790825A (en) * | 2022-04-13 | 2022-07-26 | 湖南省富民乐建材科技发展有限公司 | Production and construction method for backfill of caisson type toilet |
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