CN104263336A - Inorganic reinforcement water-plugging agent - Google Patents

Inorganic reinforcement water-plugging agent Download PDF

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Publication number
CN104263336A
CN104263336A CN201410439100.4A CN201410439100A CN104263336A CN 104263336 A CN104263336 A CN 104263336A CN 201410439100 A CN201410439100 A CN 201410439100A CN 104263336 A CN104263336 A CN 104263336A
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CN
China
Prior art keywords
plugging agent
component
parts
inorganic reinforcing
water
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Pending
Application number
CN201410439100.4A
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Chinese (zh)
Inventor
李昌宏
吴有良
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JIANGSU BAODING MINE INDUSTRY TECHNOLOGY Co Ltd
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JIANGSU BAODING MINE INDUSTRY TECHNOLOGY Co Ltd
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Priority to CN201410439100.4A priority Critical patent/CN104263336A/en
Publication of CN104263336A publication Critical patent/CN104263336A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/50Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
    • C09K8/504Compositions based on water or polar solvents
    • C09K8/5045Compositions based on water or polar solvents containing inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/50Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
    • C09K8/504Compositions based on water or polar solvents
    • C09K8/506Compositions based on water or polar solvents containing organic compounds
    • C09K8/508Compositions based on water or polar solvents containing organic compounds macromolecular compounds

Abstract

The invention discloses a reinforcement water-plugging agent, particularly relates to an inorganic reinforcement water-plugging agent and belongs to the technical field of production and manufacturing of water-plugging agents. The inorganic reinforcement water-plugging agent comprises a component A and a component B in a weight part ratio of 1:1, wherein the component A is isocyanate and the component B comprises the following components in parts by weight: 36-48 parts of water glass, 0.5-4 parts of fatty amine, 0- 5.5 parts of alum salt, 0-0.8 part of a foaming agent, 0-8 parts of water, 0-3 parts of potassium dichromate and 0-5 parts of a plasticizer, wherein the plasticizer is conventional DOP (Dioctyl Phthalate)or DBP (Dibutyl Phthalate). In application, the inorganic reinforcement water-plugging agent is pumped into a mixer and a mixing pipe by virtue of a double-liquid pump for automatic mixing and grouting. The inorganic reinforcement water-plugging agent has the advantages of high coagulation speed, high early strength, no pollution and convenient construction, and the compressive strength which is equal to or greater than 40MPa can be achieved in 30 minutes.

Description

Inorganic reinforcing plugging agent
Technical field
The present invention relates to a kind of reinforcing plugging agent, be specifically related to a kind of inorganic reinforcing plugging agent, belong to plugging agent manufacturing technology field.
Background technology
Along with underground coal mine recovery percent deepens continuously, rock burst is increasing, in coal mining, coal side and top board advance reinforcement are got more and more, otherwise exploitation just cannot be continued in some collieries, and most of coal mine roadway leaching infiltration drainage is serious, serious impact exploitation even jeopardizes the life security of coal miner.Therefore reinforcing anti-blocking leaking also is the coal mine working most important thing.Conventional coal and rock strengthening agent mainly contains epoxy resin, acrylic amide, resol class, there is flame retardant properties not high in actual security hardening, and ultimate compression strength is inadequate, and bonding strength is poor, melt with aqueous phase or reactivity poor, the problems such as plasticity poor toughness.
Reinforce water-plugging technique German inorganic salt the earliest most widely used general in China with water glass technology, but shortcoming is apparent, one be discharge quantity greatly, long construction period; Two is that then curing performance is poor as swelling amount is large; Three is poor with coal cohesive force, and four is the quality affecting coal after boning with coal.Domestic a lot of other manufacturer production mainly security, the feature of environmental protection is inadequate, the strong acid as catalyst of some producers, and smell is comparatively large on the one hand, and the opposing party is toxic.Some producers are that product stability is poor.
The main multiplex cement rapid hardening of this type of material is in the market used for underground construction, and one is that usage quantity is too large, and time-consuming, two is that the cement rapid hardening time is longer, not easily regulates, and the larger airtight plugging effect of the chance water yield is poor; Three is cement class material cured crystal and the oiliness surface adhesion intensity difference containing a large amount of aromatic hydrocarbons coal, and intermolecular forces is less, and associativity is poor, and obturation effect is thus not good.Portland cement class accelerating chemicals one is Cl in reactant in addition -, strong basic ion increases, and after increasing construction and the corrodibility of metallic supports and working-yard is to the injury of staff.And site operation difficulty strengthens, become packed material require scene to dissolve and stir, as the slightly deviation that adds water, cause difficult quality control and directly affect construction quality, likely scene is scrapped comprehensively.
Summary of the invention
The object of the present invention is to provide a kind of two fluid grouting plugging agent for colliery or reinforcing laneway water blockoff, overcome original a large amount of epoxy resin or polyurethane chemistry product reinforcing reaction technology, avoid the mass defect of the aspect such as fire-retardant and antistatic and the high drawback of cost, finally obtain that a kind of rate of set is fast, early strength be large, good fluidity, the feature that cheap, safety performance is high, realize the effect of reinforcing the rapid airtight shutoff of water blockoff.
It is as follows that the present invention solves the in-problem technical scheme of prior art:
A kind of inorganic reinforcing plugging agent, be first, second two component two fluid grouting product, the weight part ratio of first, second two component is 1:1, is sucked in mixing tank and mixing tube automatically to mix, be in the milk during use by biliquid pump.
Wherein, first component is isocyanic ester; Each moiety of component B and weight part thereof are: water glass 36 ~ 48 parts, aliphatic amide 0.5 ~ 4 part, alum salt 0 ~ 5.5 part, whipping agent 0 ~ 0.8 part, 0 ~ 8 part, water, potassium bichromate 0 ~ 3 part, 0 ~ 5 part, softening agent; Described softening agent is conventional DOP or DBP.
Above-mentioned alum salt weight part can be preferably 0.5 ~ 5.5 part, and described alum salt can be alum or blue vitriol, as alum, three alum, four alum or its two or more by the mixture made a gesture of measuring arbitrarily.Alum salt and potassium bichromate can promote rapidly silicates material gel, form cured article, and can rapidly free-water be reacted away, and reinforce water plugging effect splendid.
Preferred PM120 ~ the PM200 of above-mentioned isocyanic ester, can preferred PM200 further.
Above-mentioned aliphatic amide is the solid amine product such as triethylene diamine or hexahydroaniline.
Above-mentioned water glass is ortho-water glassy product, and its modulus is preferably 1.5 ~ 3.5.
The preparation method of above-mentioned inorganic reinforcing plugging agent is as follows: after first being taken by weight by second constituent materials, mix in stainless steel cauldron, the qualified rear blowing barrelling of inspection by sampling; First component is for directly to purchase raw material, packing.Wherein, when adding aliphatic amide, solid amine is not disposable to add rapidly, and is thread, slowly add, and ensures stably dispersing, even.
Because considering the toughness that product bonding and reinforcement is later, suitably can increase by 2 ~ 10% softening agent (DOP, DBP etc.) and adjusting.
When inorganic reinforcing plugging agent needs trace foaming in practice of construction, suitably can increase whipping agent, whipping agent can with a HCFC-141b i.e. fluorine ethylene dichloride etc., and finally add the amount of whipping agent according to foam expansion size, general addition is 0.1 ~ 0.8%.Inorganic reinforcing material foam expansion can not be excessive, is generally no more than 8 times, otherwise reactant bulk strength and toughness decline, and reinforces airtight performance and decline.
For groundwater environment, the present invention can according to the geological condition reinforcing shutoff district, and with the addition of moisture content in right amount in second component, simulating down-hole has torrent wet environment, ensure that this formulation product can with down-hole the water that blocks up produce and react, effectively can adjust the reinforcing water plugging effect increasing product.
Inorganic reinforcing plugging agent of the present invention is by the many threedirection polymerization reactants generating high cohesive force and physical strength without the polyreaction such as alcohol or inorganic silicate of polyisocyanates, high molecular polyether or polyester.Intermolecular forces is larger, and with is infiltrated avidity by sticky material better, after crosslinking reaction, three-dimensional polymer is the most stable, and intensity greatly, is inorganics with silicate reaction product, most Environmental Safety.Main external apparent property is safety low-temperature, toxicological harmless, flame-retardant and anti-static, free from extraneous odour, and the construction that is swift in response is simple and direct.And viscosity is adjustable, speed of response is adjustable according to scene, does not affect the various exploitation of coal and the quality of coal after exploiting with coal or rock mass after boning.
Inorganic reinforcing plugging agent of the present invention is sucked in mixing tank and mixing tube by pneumatic biliquid pump and automatically mixes, and can be in the milk.This chemical material is injected in stratum or coal gap, low viscous mixed solution can reduce viscosity again along with certain reaction heat, can rapid permeability in rock coal gap, and rapidly and coal petrography bond and solidify, also water can be reacted into rapidly if any a small amount of water, reach integral reinforcing water blockoff object.
Inorganic reinforcing plugging agent of the present invention has that rate of set is fast, early strength is large, good fluidity, the feature that cheap, safety performance is high, can be applicable to the aspects such as a lot of coal mining enterprises gob-side entry retaining, grouting and reinforcing coal and rock, working face wall grout injection control side fall roof, water blockoff.During application gob-side entry retaining, can realize staying lane and back production to carry out simultaneously.
Inorganic reinforcing plugging agent barreled fixed weight of the present invention, direct midge construction, absolutely not deviation, construction simple and fast, eliminate a large amount of heavy whipping appts, effect is controlled, without a large amount of dust, stir without the need to a large amount of bagged articles blanking, labor strength reduces greatly.A large amount of reaction heat is produced when also avoid polyurethanes curing reaction with the reaction of the mixing inorganics such as silicate and PM-200, temperature of reaction is up to 130 DEG C, and inorganic reinforcing material temperature of reaction is lower than 100 DEG C, avoid causing physical impairment to construction worker, also can prevent inflammable and explosive danger.
Practical function of the present invention is obvious, is mainly cement hardener product in the market, and is meet the water yield greatly in underground coal mine practical application one, is easily rapidly diluted and not easily solidifies, the rapid hardening time is longer, meets coal gap and grows comparatively large, and irregular, easily alter slurry, grout, not easily shutoff solidification; And polyurethanes two-pack reinforcing plugging agent is effective, be exactly that cost is too high, in view of the present Benefit Drops in colliery, increasing cost control is imperative; And the weakness that there is flame retardant resistance static resistance after all of polyurethanes, inorganic reinforcing water blockoff product of comparing.
The Advantageous Effects that the present invention obtains:
In production and construction process, materials greatly reduce, and without sacked material, also will use a large amount of whipping appts in down-hole or tunnel, saving of work and time, reduces labor strength, reduces dust pollution, directly to be connected with grouting equipment with barreled, to save a clumsy process procedure.
This kind of formula materials environment-protecting asepsis, performance is better, fills a prescription simple, and practicality is stronger, and cost is lower! Because inorganics is main, strengthen and bond between spoil, coal or ground airtight performance, and anti-flaming antistatic property improves greatly, and temperature of reaction is lower, and security is better.
The barreled staging life of this product, is longer, is not afraid of rainwater and drenches, and stores keeping more convenient; This product in actual use, according to field condition, such as can be met the water yield greatly, working face that crack is larger suddenly etc., interim reaction speed, only need add some catalytic reaction promotor in bucket, more flexible than sacked material; This kind of product end reaction thing and reinforcing bar metalwork reactionless, do not corrode, be widely used in bridge, tunnel, down-hole, culvert, supporting salvaging in.
Inorganic reinforcing plugging agent of the present invention overcomes in original many underground coal mine or constructing tunnel and greatly not easily constructs by the water yield of Portland cement reinforcing water blockoff, the defects such as cured article cohesive force is poor, material usage is large, labor strength is large, products material composition of the present invention is simple, batching is convenient, construct convenient, security is high, labour intensity is low, construction cost is significantly extremely low.
Two-pack of the present invention reinforces anti-Ying Wendu≤100 DEG C of plugging agent, reacts the anti-pressure degree≤57MPa of final thing.
Rate of set is fast, early strength is large, within 30 minutes, can realize Kang pressure Du≤40MPa.
Embodiment
Below in conjunction with embodiment, set forth the present invention further.
Embodiment 1
A kind of inorganic reinforcing plugging agent, first component is the PM200 of 50 parts of weight parts (as follows); Component B consists of: 36 parts of water glass are, 0.5 part of solid amine, 8 parts of water, 5.5 parts of alum.
Second component different materials is mixed in stainless steel cauldron, when adding amine substance, wants thread slowly to add.Stir one hour, mix inspection by sampling.Qualified rear blowing barrelling.First component directly can be buied raw material and be carried out packing.
During construction, first, second component is connected with biliquid pump respectively, material loading mixing slip casting.
Embodiment 2
A kind of inorganic reinforcing plugging agent, first component is 50 parts of PM120; Second component contains water glass 48 parts, Gu amine 1 part; Potassium bichromate 1 part.
Second component different materials is mixed in stainless steel cauldron, when adding amine substance, wants thread slowly to add.Stir one hour, mix inspection by sampling.Qualified rear blowing barrelling.First component directly can be buied raw material and be carried out packing.
During construction, first, second component is connected with biliquid pump respectively, material loading mixing slip casting.
Embodiment 3
A kind of inorganic reinforcing plugging agent, first component is 50 parts of PM200; It is 47 parts that second component contains water glass, Gu amine is 3 parts.
Second component different materials is mixed in stainless steel cauldron, when adding amine substance, wants thread slowly to add.Stir one hour, mix inspection by sampling.Qualified rear blowing barrelling.First component directly can be buied raw material and be carried out packing.
During construction, first, second component is connected with biliquid pump respectively, material loading mixing slip casting.
Embodiment 4
A kind of inorganic reinforcing plugging agent, first component is 50 parts of PM200; It is 40 parts that second component contains water glass, and quadrol is 1 part, and water is 6 parts, and potassium bichromate is 3 parts.
Second component different materials is mixed in stainless steel cauldron, when adding amine substance, wants thread slowly to add.Stir one hour, mix inspection by sampling.Qualified rear blowing barrelling.First component directly can be buied raw material and be carried out packing.
During construction, first, second component is connected with biliquid pump respectively, material loading mixing slip casting.
Embodiment 5
A kind of inorganic reinforcing plugging agent, first component is 50 parts of PM200; It is 40 parts that second component contains water glass, and quadrol is 1 part, and water is 5.7 parts, and potassium bichromate is 3 parts, HCFC-141b whipping agent 0.3 part.
Second component different materials is mixed in stainless steel cauldron, when adding amine substance, wants thread slowly to add.Stir one hour, mix inspection by sampling.Qualified rear blowing barrelling.First component directly can be buied raw material and be carried out packing.
During construction, first, second component is connected with biliquid pump respectively, material loading mixing slip casting.
Embodiment 6
A kind of inorganic reinforcing plugging agent, first component is 50 parts of PM200; It is 48 parts that second component contains water glass, and aliphatic amide is 1.2 parts, and whipping agent is 0.8 part.
Second component different materials is mixed in stainless steel cauldron, when adding amine substance, wants thread slowly to add.Stir one hour, mix inspection by sampling.Qualified rear blowing barrelling.First component directly can be buied raw material and be carried out packing.
During construction, first, second component is connected with biliquid pump respectively, material loading mixing slip casting.
Embodiment 7
A kind of inorganic reinforcing plugging agent, first component is 50 parts of PM200; It is 40 parts that second component contains water glass, and quadrol is 1 part, and water is 4 parts, and potassium bichromate is 3 parts, 2 parts, DOP softening agent.
Second component different materials is mixed in stainless steel cauldron, when adding amine substance, wants thread slowly to add.Stir one hour, mix inspection by sampling.Qualified rear blowing barrelling.First component directly can be buied raw material and be carried out packing.
During construction, first, second component is connected with biliquid pump respectively, material loading mixing slip casting.
The inorganic reinforcing plugging agent of above-mentioned 7 embodiments, after testing, rate of set is fast, early strength is large, and (24 hours Zao phase Kang pressure Du≤40MPa generally wanted by conventional reinforcing plugging agent in the market within 30 minutes, can to realize Kang pressure Du≤40MPa.)。

Claims (9)

1. an inorganic reinforcing plugging agent, be first, second two component two fluid grouting product, the weight part ratio of first, second two component is 1:1, is sucked in mixing tank and mixing tube automatically to mix, be in the milk during use by biliquid pump; It is characterized in that first component is isocyanic ester; Each moiety of component B and weight part thereof are: water glass 36 ~ 48 parts, aliphatic amide 0.5 ~ 4 part, alum salt 0 ~ 5.5 part, whipping agent 0 ~ 0.8 part, 0 ~ 8 part, water, potassium bichromate 0 ~ 3 part, 0 ~ 5 part, softening agent; Described softening agent is conventional DOP or DBP.
2. inorganic reinforcing plugging agent according to claim 1, is characterized in that in component B, alum salt weight part is 0.5 ~ 5.5 part.
3. inorganic reinforcing plugging agent according to claim 1, is characterized in that described isocyanic ester is PM120 ~ PM200.
4. inorganic reinforcing plugging agent according to claim 4, is characterized in that described isocyanic ester is PM200.
5. inorganic reinforcing plugging agent according to claim 1, is characterized in that described aliphatic amide is triethylene diamine or hexahydroaniline.
6. inorganic reinforcing plugging agent according to claim 1, it is characterized in that described alum salt be alum, three alum, four alum or its two or more by the mixture made a gesture of measuring arbitrarily.
7. inorganic reinforcing plugging agent according to claim 1, is characterized in that described modulus of water glass is 1.5 ~ 3.5.
8. the preparation method of inorganic reinforcing plugging agent according to claim 1, after it is characterized in that second constituent materials to take by weight, adds in stainless steel cauldron and mixes, the qualified rear blowing barrelling of inspection by sampling; First component is for directly to purchase raw material, packing.
9. the preparation method of inorganic reinforcing plugging agent according to claim 9, when it is characterized in that adding aliphatic amide, solid amine and disposablely to be added rapidly, and is thread, slowly add.
CN201410439100.4A 2014-08-29 2014-08-29 Inorganic reinforcement water-plugging agent Pending CN104263336A (en)

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Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101220203A (en) * 2008-01-25 2008-07-16 天津天大天海新材料有限公司 Polyurethane chemical grouting material and production method
CN101314671A (en) * 2008-07-22 2008-12-03 天津新技术产业园区北洋新技术工程有限公司 Temperature control liquid expanded rubber and preparation method thereof
CN102558498A (en) * 2012-01-04 2012-07-11 山西兆信生物科技有限公司 Polyurethane reinforcing and filling materials for coal mine
CN102964565A (en) * 2012-12-03 2013-03-13 山东东大一诺威新材料有限公司 Silicate modified polyurethane high molecular material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101220203A (en) * 2008-01-25 2008-07-16 天津天大天海新材料有限公司 Polyurethane chemical grouting material and production method
CN101314671A (en) * 2008-07-22 2008-12-03 天津新技术产业园区北洋新技术工程有限公司 Temperature control liquid expanded rubber and preparation method thereof
CN102558498A (en) * 2012-01-04 2012-07-11 山西兆信生物科技有限公司 Polyurethane reinforcing and filling materials for coal mine
CN102964565A (en) * 2012-12-03 2013-03-13 山东东大一诺威新材料有限公司 Silicate modified polyurethane high molecular material and preparation method thereof

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Application publication date: 20150107