CN100366566C - Lactescent gunite material for supports of mine and construction method for guniting supports - Google Patents
Lactescent gunite material for supports of mine and construction method for guniting supports Download PDFInfo
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- CN100366566C CN100366566C CNB2005100434726A CN200510043472A CN100366566C CN 100366566 C CN100366566 C CN 100366566C CN B2005100434726 A CNB2005100434726 A CN B2005100434726A CN 200510043472 A CN200510043472 A CN 200510043472A CN 100366566 C CN100366566 C CN 100366566C
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Abstract
The present invention discloses a supporting lactescent gunite material for mines and a construction method for supporting gunite. Base materials of the supporting lactescent gunite material for mines comprise water glass and stone powder, and the weight ratio of the water glass to the stone powder is 1:0.2 to 1.2. The base materials of the supporting lactescent gunite material for mines can also comprise water glass, talcum powder and quartz powder, and the weight ratio of the water glass, the talcum powder and the quartz powder is 1:0.2 to 1.0:0.1 to 0.5. The base material has the preparation method that the water glass and the talcum powder, or the water glass and the quartz powder, or the water glass, the talcum powder and the quartz powder are put in a grinding machine to be ground, and steam is led into the grinding machine, and liquid in the grinding machine is ground into saturated lactescent materials. The base materials and solidifying agents are respectively connected with lactescent gunite spray gun, and the base materials and the solidifying agents are sprayed on a drift wall and a top plate to realize spray support through mixing spray holes after going into a mixing cavity of the lactescent gunite spray gun and are uniformly mixed. The present invention fundamentally and thoroughly solves the problem of the dust environment at the time of spraying supporting materials and has the advantages of no rebound quantity, strong cohesive force, fire retardation, high solidifying speed, high strength, low construction cost, etc.
Description
Technical field
The present invention relates to down-hole, mine support material, a kind of mine support lactescent gunite material and supporting shotcrete construction method that is mainly used in supporting under the coal mine of definitely saying so.
Background technology
Bolting and shotcreting is now generally adopted in the roadway support of underground mining in the field such as colliery, metallurgy, and the sprayed concrete material is the necessary operation in the construction of anchor shotcreting.Because the construction dust is big during the sprayed concrete material, have a strong impact on operator's health, and because the high deficiency of rebound degree of sprayed concrete material, those skilled in the art provide multiple material to spray environment and supporting quality to improve.For example: the blasting materials that with the coal gangue is aggregate adds the water wet shot, though can reduce the sprayed construction cost, springback capacity descends, and dust is only than decline was arranged in the past slightly, and the thickness of existing blasting materials is general all between the 70-150 millimeter, deficiency such as be prone to cracking, come off; Also have disclosed blasting materials, add a large amount of chemical substances, its deficiency is also comparatively obvious: easily produce static and set off an explosion, flame retardant properties is relatively poor, and the cost height is relatively poor etc. with the avidity of well coal, also can't promote the use of under colliery so far.
Summary of the invention
The objective of the invention is, a kind of mine support lactescent gunite material and supporting shotcrete construction method are provided, it has fundamentally thoroughly solved the dust atmosphere of ejection supporting material, no springback capacity, cohesive force is strong, fire prevention, waterproof, anti-electrostatic, fire-retardant, non-volatile, the fast intensity height of setting rate, easy and simple to handle, construction cost is low.
The present invention is for finishing above-mentioned purpose, and the mine support lactescent gunite material that at first provides comprises that the component of base-material and solidifying agent base-material comprises water glass and stone flour, and the weight proportion of water glass and stone flour is 1: 0.2-1.2.Described a kind of mine support lactescent gunite material, the further component water glass and the talcous weight proportion of base-material are 1: 0.2-1.2.The component of base-material can also be that the weight proportion of water glass and silica powder is 1: 0.2-1.2.The component of base-material can also be to comprise water glass, talcum powder and silica powder, and the weight proportion of water glass, talcum powder and silica powder is 1: 0.2-1.0: 0.1-0.5.The component of base-material also can be that water glass and talcous weight proportion are 1: 0.4-1.15.The preparation method of the base-material of described mine support lactescent gunite material, by the described weight proportion of aforesaid right requirement water glass and talcum powder or water glass and silica powder or water glass, talcum powder and silica powder are inserted grinding machine for grinding, when grinding, feed steam, make liquid in the shredder be milled to saturated Mag and get final product.
The solidifying agent of the common mine support lactescent gunite material that uses of the base-material of mine support lactescent gunite material of the present invention, it has following component: saturated water-soluble polyester, water-soluble villaumite, polyaldehyde and benzene emulsion, saturated water-soluble polyester and water-soluble villaumite were made saturated sulfonate polyester by weight 1: 1, and the weight proportion of saturated sulfonate polyester and polyaldehyde and benzene emulsion is 1: 0.2-0.6: 0.3-0.9.
The supporting shotcrete construction method of mine support lactescent gunite material of the present invention, solidifying agent with the mine support lactescent gunite material of the base-material of the mine support lactescent gunite material of 92%-98% and 2%-8%, be connected with newborn spray gun body respectively by pipeline, the base-material inlet diameter of breast spray gun body is φ 6-11mm, the solidifying agent inlet diameter is φ 0.8-1.8mm, and base-material and solidifying agent enter respectively and mix in the emulsion spray gun mixing chamber after mix spray orifice and be ejected on wall, the top board and realize ejection supporting.The breast spray gun body has housing, and hybrid chamber is set in the housing, and jet pipe is installed in the hybrid chamber, sets through hole in the middle of the jet pipe, and the front end of housing is installed hybrid nozzle, offers the mixing spray orifice on the hybrid nozzle, mixes spray orifice and communicates with hybrid chamber, and newborn body feed cavity communicates with hybrid chamber.One inclination angle is arranged between feed cavity and the hybrid chamber.
Mine support lactescent gunite material of the present invention has two kinds of products, and a kind of is base-material, and another kind is a solidifying agent, and two kinds of products are made respectively, are mixed in proportion ejection during construction in newborn spray gun body.
Stone flour described in the base-material of mine support lactescent gunite material of the present invention is meant talcum powder and silica powder.The making of silica powder is silica powder to be broken into Powdered, crosses 200 mesh sieves and gets final product.The combination of water glass and talcum powder or water glass and silica powder all can, water glass also can with talcum powder and silica powder combination, when water glass and talcum powder were formed base-material of the present invention, its viscosity and intensity can reach the preferable quality requirement.The base-material of mine support lactescent gunite material of the present invention, its proportion 〉=1.3, its product form is saturated Mag.
The water-soluble villaumite of component described in the solidifying agent of the mine support lactescent gunite material that base-material of the present invention and the mine support lactescent gunite material uses jointly is meant: all water-soluble villaumites such as Repone K, magnesium chloride, calcium chloride, aluminum chloride, zinc chloride, cupric chloride, sodium-chlor, bariumchloride, cupric chloride, iron protochloride.The also available dialdehyde of described polyaldehyde, dibasic alcohol substitute, and the also available pure-acrylic emulsion of benzene emulsion substitutes, preferred polyaldehyde and benzene emulsion.The preparation method of solidifying agent of the present invention was: saturated water-soluble polyester and water-soluble villaumite were made saturated sulfonate polyester by weight 1: 1.Saturated sulfonate polyester and polyaldehyde or dialdehyde and benzene emulsion or pure-acrylic emulsion are inserted by weight proportion of the present invention again and be mixed and made into solidifying agent in the reactor, its product is a liquor attitude shape.
Contribution of the present invention is: for mine Downhole jetting supporting provides a kind of non-dusting serum body gunite material, the environment of dust construction is thoroughly changed.The base-material of lactescent gunite material of the present invention can evenly penetrate its good fluidity with vaporific, pencil, boundling shape, thin jet-like at newborn spray gun body mouth place, cohesive force is strong, can carry at a distance at φ 25mm left and right sides pipeline, the intensity height after the curing sprays no resilience etc.Solidifying agent of the present invention, have that nontoxic, no burn into is non-volatile, fire-retardant, waterproof, anti-electrostatic, curing speed are fast, good toughness, intensity advantages of higher, use jointly with base-material of the present invention, after drying is solidified in injection, phenomenon such as do not occur ftractureing, come off, the thickness that sprays lactescent gunite material can reach and isolate the coal seam generally at the 3-11 millimeter, prevents that weathering, waterproof from preventing requirements such as spontaneous combustion, raising supporting intensity.
The present invention adopts described base-material and solidifying agent according to constructional method ejection supporting of the present invention, thoroughly changed operating environment, speed of application is fast, no dust, no springback capacity, and a large amount of save energy, need not the blast machine, can stop the generation of workman's occupational illness, simultaneously, can reduce labor intensity, reduce construction cost etc., being ejected into wall, top board etc., to locate in back tens seconds be solidifiable.
Description of drawings
Accompanying drawing 1 is a preparation of construction structural representation of the present invention.
Accompanying drawing 2 is I portion structure for amplifying signals in the accompanying drawing 1, mainly illustrates newborn spray gun body structure of the present invention.
Embodiment
One, the base-material of mine support lactescent gunite material of the present invention has following various embodiments:
1, water glass and talcous weight proportion are 1: 0.4.
2, water glass and talcous weight proportion are 1: 0.45.
3, water glass and talcous weight proportion are 1: 0.6.
4, water glass and talcous weight proportion are 1: 1.2.
5, water glass and talcous weight proportion are 1: 1.15.
6, water glass and talcous weight proportion are 1: 1.1.
7, water glass and talcous weight proportion are 1: 0.7.
8, water glass and talcous weight proportion are 1: 0.9.
9, water glass and talcous weight proportion are 1: 0.8.
10, water glass and talcous weight proportion are 1: 1.0.
11, water glass and talcous weight proportion are 1: 0.2.
12, water glass and talcous weight proportion are 1: 0.3.
13, the weight proportion of water glass and silica powder is 1: 0.2.
14, the weight proportion of water glass and silica powder is 1: 0.3.
15, the weight proportion of water glass and silica powder is 1: 0.4.
16, the weight proportion of water glass and silica powder is 1: 0.45.
17, the weight proportion of water glass and silica powder is 1: 0.6.
18, the weight proportion of water glass and silica powder is 1: 1.2.
19, the weight proportion of water glass and silica powder is 1: 1.15.
20, the weight proportion of water glass and silica powder is 1: 1.1.
21, the weight proportion of water glass and silica powder is 1: 0.7.
22, the weight proportion of water glass and silica powder is 1: 0.9.
23, the weight proportion of water glass and silica powder is 1: 0.8.
24, the weight proportion of water glass and silica powder is 1: 1.0.
25, the weight proportion of water glass, talcum powder and silica powder is 1: 0.2: 0.2.
26, the weight proportion of water glass, talcum powder and silica powder is 1: 0.6: 0.6.
27, the weight proportion of water glass, talcum powder and silica powder is 1: 0.8: 0.4.
28, the weight proportion of water glass, talcum powder and silica powder is 1: 1.0: 0.1.
29, the weight proportion of water glass, talcum powder and silica powder is 1: 0.2: 0.5.
30, the weight proportion of water glass, talcum powder and silica powder is 1: 1.0: 0.2.
31, the weight proportion of water glass, talcum powder and silica powder is 1: 0.5: 0.4.
32, the weight proportion of water glass, talcum powder and silica powder is 1: 0.8: 0.2.
33, the weight proportion of water glass, talcum powder and silica powder is 1: 0.8: 0.2.
34, the weight proportion of water glass, talcum powder and silica powder is 1: 0.7: 0.2.
35, the weight proportion of water glass, talcum powder and silica powder is 1: 0.6: 0.3.
The weight proportion of above-mentioned each component is all manufactured as follows:
Water glass and talcum powder or water glass and silica powder or water glass, talcum powder and silica powder inserted in the roll grinding machine grind, when grinding, feed steam, under logical steam, ground 40-180 minute, preferred 80-130 minute, make liquid in the shredder be milled to saturated preferably newborn somaplasm shape and get final product.
Two, the component of the solidifying agent of mine support lactescent gunite material of the present invention has following various embodiments:
The component of solidifying agent is: saturated water-soluble polyester, water-soluble villaumite, polyaldehyde and benzene emulsion, wherein saturated water-soluble polyester and water-soluble villaumite were made saturated sulfonate polyester by weight 1: 1, then by the weight proportion of saturated sulfonate polyester and polyaldehyde, dialdehyde or dibasic alcohol and benzene emulsion or pure-acrylic emulsion is implemented by following weight proportion:
1, the weight proportion of saturated sulfonate polyester, polyaldehyde, benzene emulsion is 1: 0.2: 0.3.
2, the weight proportion of saturated sulfonate polyester, polyaldehyde, benzene emulsion is 1: 0.6: 0.9.
3, the weight proportion of saturated sulfonate polyester, polyaldehyde, benzene emulsion is 1: 0.2: 0.9.
4, the weight proportion of saturated sulfonate polyester, polyaldehyde, benzene emulsion is 1: 0.6: 0.3.
5, the weight proportion of saturated sulfonate polyester, polyaldehyde, benzene emulsion is 1: 0.3: 0.6.
6, the weight proportion of saturated sulfonate polyester, polyaldehyde, benzene emulsion is 1: 0.5: 0.8.
7, the weight proportion of saturated sulfonate polyester, polyaldehyde, benzene emulsion is 1: 0.4: 0.7.
8, the weight proportion of saturated sulfonate polyester, polyaldehyde, benzene emulsion is 1: 0.3: 0.7.
9, the weight proportion of saturated sulfonate polyester, dialdehyde, benzene emulsion is 1: 0.3: 0.7.
10, the weight proportion of saturated sulfonate polyester, dialdehyde, benzene emulsion is 1: 0.5: 0.8.
11, the weight proportion of saturated sulfonate polyester, polyaldehyde, pure-acrylic emulsion is 1: 0.6: 0.3.
12, the weight proportion of saturated sulfonate polyester, polyaldehyde, pure-acrylic emulsion is 1: 0.3: 0.6.
13, the weight proportion of saturated sulfonate polyester, dialdehyde, pure-acrylic emulsion is 1: 0.6: 0.9.
14, the weight proportion of saturated sulfonate polyester, dialdehyde, pure-acrylic emulsion is 1: 0.5: 0.8.
15, the weight proportion of saturated sulfonate polyester, dialdehyde, pure-acrylic emulsion is 1: 0.3: 0.6.
16, the weight proportion of saturated sulfonate polyester, dialdehyde, pure-acrylic emulsion is 1: 0.3: 0.7.
17, the weight proportion of saturated sulfonate polyester, dibasic alcohol, pure-acrylic emulsion is 1: 0.3: 0.7.
18, the weight proportion of saturated sulfonate polyester, dibasic alcohol, benzene emulsion is 1: 0.6: 0.9.
19, the weight proportion of saturated sulfonate polyester, dibasic alcohol, benzene emulsion is 1: 0.2: 0.9.
Above-mentioned water-soluble villaumite is sodium-chlor, calcium chloride, zinc chloride, magnesium chloride, cupric chloride, iron(ic) chloride, aluminum chloride, iron protochloride, Repone K, bariumchloride etc., preferred sodium-chlor, calcium chloride.For example: saturated water-soluble polyester and sodium-chlor were made saturated sulfonate polyester by weight 1: 1.With saturated water-soluble polyester and calcium chloride by making saturated sulfonate polyester at 1: 1.With saturated water-soluble polyester and iron(ic) chloride by making saturated sulfonate polyester at 1: 1.With saturated water-soluble polyester and zinc chloride by making saturated sulfonate polyester at 1: 1.With saturated water-soluble polyester and magnesium chloride by making saturated sulfonate polyester etc. at 1: 1.
Three, the supporting shotcrete construction method of mine support lactescent gunite material of the present invention is as follows:
With base-material of the present invention and solidifying agent of the present invention, be connected with newborn spray gun body by pipeline respectively by weight percentage, base-material is 92%-98%, and solidifying agent is 2%-8%, and base-material and solidifying agent are sent in the newborn spray gun body simultaneously.As: base-material is 97%, and solidifying agent is 3%.Base-material is 96%, and solidifying agent is 4%.Base-material is 92%, and solidifying agent is 8%.Base-material is 94%, and solidifying agent is 6%.Base-material is 95%, and solidifying agent is 5% etc.Enter indexs such as flow in the spray gun in order to control base-material and solidifying agent, design base-material inlet diameter is φ 6-11mm, preferred inlet diameter φ 8-φ 10mm.The solidifying agent inlet diameter is φ 0.8-φ 1.8mm, and preferred inlet diameter is φ 1-φ 1.2mm.Base-material and solidifying agent enter respectively to mix in the hybrid chamber of newborn spray gun body after mix wall that spray orifice is ejected into the tunnel, top board etc. locates to realize ejection supporting.During injection, the emitted dose 〉=3m of base-material
3/ n, the emitted dose 〉=0.3m of solidifying agent
3/ n, solidifying agent pressure is greater than base-material pressure.Newborn spray gun body of the present invention has housing 17, hybrid chamber 28 is set in the housing 17, jet pipe 27 is installed in the hybrid chamber 28, set through hole 18 in the middle of the jet pipe 27, the front end of housing 17 is installed hybrid nozzle 16, offer on the hybrid nozzle 16 and mix spray orifice 29, mix spray orifice 29 and communicate with hybrid chamber 28, newborn body feed cavity 26 communicates with hybrid chamber 28.Between feed cavity 26 and the hybrid chamber 28 inclination angle is arranged.
In the accompanying drawing, the 2nd, curing agent input pipe, the 3rd, pump, the 4th, curing agent container, the 5th, base-material Input pipe, the 6th, the base-material container, the 7th, drive, the 8th, motor, the 9th, belt, the 10th, pass Driving wheel, the 12nd, the spray slush pump, the 13rd, handle, the 14th, Pressure gauge, the 15th, the base-material carrier pipe, Its end is connected with the spray slush pump, and the other end is connected with newborn spray gun body, and the 19th, screw, the 20th, Pressure head is installed, the 21st, switch, the 23rd, valve, the 24th, feed cavity housing.
Claims (9)
1. mine support lactescent gunite material, it is characterized in that: comprise base-material and solidifying agent, the component of base-material comprises water glass and stone flour, the weight proportion of water glass and stone flour is 1: 0.2-1.2, the component and the weight proportion of solidifying agent are: the weight proportion of saturated sulfonate polyester and polyaldehyde and benzene emulsion is 1: 0.2-0.6: 0.3-0.9.
2. a kind of mine support lactescent gunite material according to claim 1 is characterized in that: the component water glass of base-material and talcous weight proportion are 1: 0.2-1.2.
3. a kind of mine support lactescent gunite material according to claim 1 is characterized in that: the component water glass of base-material and the weight proportion of silica powder are 1: 0.2-1.2.
4. a kind of mine support lactescent gunite material according to claim 1, it is characterized in that: the component of base-material comprises water glass, talcum powder and silica powder, the weight proportion of water glass, talcum powder and silica powder is 1: 0.2-1.0: 0.1-0.5.
5. a kind of mine support lactescent gunite material according to claim 1 is characterized in that: the component water glass of base-material and talcous weight proportion are 1: 0.4-1.15.
6. according to each described mine support lactescent gunite material of claim 1-5, it is characterized in that: the preparation method of described base-material is: by the described weight proportion of aforesaid right requirement water glass and talcum powder or water glass and silica powder or water glass, talcum powder and silica powder are inserted grinding machine for grinding, when grinding, feed steam, make liquid in the shredder be milled to saturated Mag and get final product.
7. the supporting shotcrete construction method of each described mine support lactescent gunite material of claim 1-5, it is characterized in that: with the solidifying agent of the mine support lactescent gunite material of the base-material of the mine support lactescent gunite material of 92%-98% and 2%-8%, be connected with newborn spray gun body respectively by pipeline, the base-material inlet diameter of breast spray gun body is φ 6-11mm, the solidifying agent inlet diameter is φ 0.8-1.8mm, and base-material and solidifying agent enter respectively and mix in the emulsion spray gun mixing chamber after mix spray orifice and be ejected on wall, the top board and realize ejection supporting.
8. the supporting shotcrete construction method of mine support lactescent gunite material according to claim 7, it is characterized in that: newborn spray gun body has housing (17), hybrid chamber (28) is set in the housing (17), jet pipe (27) is installed in the hybrid chamber (28), set through hole (18) in the middle of the jet pipe (27), the front end of housing (17) is installed hybrid nozzle (16), offer on the hybrid nozzle (16) and mix spray orifice (29), mix spray orifice (29) and communicate with hybrid chamber (28), newborn body feed cavity (26) communicates with hybrid chamber (28).
9. the supporting shotcrete construction method of mine support lactescent gunite material according to claim 8 is characterized in that: between feed cavity (26) and the hybrid chamber (28) inclination angle is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100434726A CN100366566C (en) | 2005-05-11 | 2005-05-11 | Lactescent gunite material for supports of mine and construction method for guniting supports |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100434726A CN100366566C (en) | 2005-05-11 | 2005-05-11 | Lactescent gunite material for supports of mine and construction method for guniting supports |
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| CN1686897A CN1686897A (en) | 2005-10-26 |
| CN100366566C true CN100366566C (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100434726A Expired - Fee Related CN100366566C (en) | 2005-05-11 | 2005-05-11 | Lactescent gunite material for supports of mine and construction method for guniting supports |
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| CN (1) | CN100366566C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102399066B (en) * | 2010-09-08 | 2013-04-03 | 海南瑞泽新型建材股份有限公司 | Method and equipment for comprehensive utilization after three-stage staged treatment of mine stone powder |
| CN103696783B (en) * | 2012-11-19 | 2016-07-13 | 云南省化工研究院 | A kind of method of soluble solids sylvite ore mining tunnel protective treatment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD299745A7 (en) * | 1977-12-27 | 1992-05-07 | Nordhausen Schachtbau | PROCESS FOR REMOVAL OF PITING IN SANDSTONE |
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2005
- 2005-05-11 CN CNB2005100434726A patent/CN100366566C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD299745A7 (en) * | 1977-12-27 | 1992-05-07 | Nordhausen Schachtbau | PROCESS FOR REMOVAL OF PITING IN SANDSTONE |
Non-Patent Citations (1)
| Title |
|---|
| "柔性锚喷技术及其应用". 张腾蛟，王瑞.山西煤炭，第23卷第2期. 2003 * |
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