CN107721334A - A kind of emergent automatic leakage-blocking material - Google Patents
A kind of emergent automatic leakage-blocking material Download PDFInfo
- Publication number
- CN107721334A CN107721334A CN201711138147.7A CN201711138147A CN107721334A CN 107721334 A CN107721334 A CN 107721334A CN 201711138147 A CN201711138147 A CN 201711138147A CN 107721334 A CN107721334 A CN 107721334A
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- Prior art keywords
- automatic leakage
- blocking material
- emergent
- water
- emergent automatic
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- 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
- C04B2111/72—Repairing or restoring existing buildings or building materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Revetment (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of emergent automatic leakage-blocking material, the material is made up of sulphate aluminium cement, walnut shell particle, floating bead, bentonite, anti-dispersant, swelling agent, water reducer, accelerator, fiber.The emergency leakage blocking condensation of materials speed of the present invention is fast, and can be with current autonomous travel to leak in water at, realize the automatic leakage-blocking under unattended state, the stoppage engineering that artificial blocking construction can be unsuitable for high radioactivity waste water, poisonous and harmful water body container or facility etc. realizes emergent automatic leakage-blocking, and waste water, sewage leakage influence to caused by ecological environment is greatly lowered.
Description
Technical field
The present invention relates to building material technical field, more particularly to a kind of emergent automatic leakage-blocking material.
Background technology
At present, the loss circulation material used in engineering needed before construction to carried out at leak removing surface, chisel deep, chisel mouth,
Drilling, twist with the fingers meet, drain etc. and handle, apply man-hour requirement personnel and operated or operated by instrument, leak stopping reparation after construction
Cycle is grown.Moreover, loss circulation material need constructed under water-less environment, be difficult to condense in water, can not with water or construction with pressure,
Blocking construction step-by-step progress after can only discharging water.This kind of loss circulation material can handle the overwhelming majority seepy question, but for
High radioactivity waste water, poisonous and harmful water body container or facility caused by major natural disasters or serious accident occurs
It is online, band water unmanned automatic leakage-blocking with pressure for, conventional loss circulation material and leakage stopping technology just and it is improper.
High radioactivity sewage, the container of poisonous and harmful industrial wastewater or facility are held after there is leakage situation, it is such as too late
Shi Jinhang leak stopping is handled, then surrounding can be caused to have a strong impact on, or even triggers ecocatastrophe.In this poisonous and harmful, intense radiation
In the environment of, workmen cannot be introduced into scene and carry out blocking construction.Loss circulation material is to without any execution conditions or construction bar
Part is severely limited, does not allow to doing any processing at leak, and even any construction apparatus, construction equipment are all difficult to put to good use
On the premise of playing a role, it is necessary to disposable band water, it is with pressure, fast and automatically complete emergency leakage blocking, be difficult to realize.Therefore,
Study that a kind of to have automatic leakage-blocking, the material of fast blockage function be very necessary.If it can realize loss circulation material in water body
With water movement to leak position, and solidify here, block leakage passage, reach the purpose of leak stopping, by with important work
Journey application value.
Document 1《The experimental study of inorganic leak-stopping material》One kind is disclosed with portland cement and sulphate aluminium cement
Water-proof plugging material of the mixture as base material.The material has given full play to the performance complement advantage that two kinds of cement mixings use,
Traditional loss circulation material is solved using technology drawback caused by single portland cement or aluminate cement so that condensation of materials
The performances such as time, hour intensity, microdilatancy increase.But the presetting period of the material has still reached 7min, and first final set
Time interval reaches 2min.Therefore, the material is applied under conditions of Water discharge flow speed is larger and is restricted, and is difficult application
In upstream face leak stopping preventing leaking water engineering.
Document 2《The research of rapid-hardening inorganic leak-stopping material》Disclose that a kind of hybrid substrate special additive is inorganic, has
Machine additive is modified the rapid-hardening inorganic leak-stopping material formed.The more traditional loss circulation material of the material shortens the presetting period.
But it is its 4min presetting period, still longer, applied in fast blockage engineering, necessarily causing material deterioration inside big and water plugging effect
The problem of poor.
Document 3 discloses a kind of plugging anti-seepage agent (patent No. ZL101775266A), and it is one kind by sodium methyl silicate, stone
Ying Fen, gypsum
With water made from inorganic plugging anti-seepage agent, the intensity of the material obtains the hardening for relying primarily on gypsum, its waterproof work(
The hydrophobic substance of the reaction generation in sodium methyl silicate and air can be relied primarily on.Therefore, the presence of the material condenses hardening
Slowly, low intensity, for having no technical performance advantage in the larger fast blockage engineering of water yield.Meanwhile the waterproof of the material is former
Reason constrains its application effect under the conditions of submersible or stopping water leakage.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of emergent automatic leakage-blocking material, and it can be blocked up in water
Leak, the participation of very important person is not required in Process of Leaking Stoppage, after being added into water, water movement can be followed to be split to seepage place to leak
Seam is blocked, and its fast solidifying, hour intensity are high, and impermeability is good.
Above-mentioned purpose is realized by following scheme：
Emergent automatic leakage-blocking material is by sulphate aluminium cement, walnut shell particle, floating bead, bentonite, anti-dispersant, expansion
Agent, water reducer, accelerator, fiber composition, the weight ratio of each component are：
In the present invention：
The thin walnut shell that the thick walnut shell particle and particle diameter that walnut shell particle is 1.5~2mm by particle diameter are 0.75~1.2mm
Particle in mass ratio 1:1~1:1.5 mixing compositions.
Floating bead particle diameter is 50~100 μm, and density is 0.4~0.6g/cm3。
Bentonite is sodium-based montmorillonite, and fineness is 75 μm and tailed over no more than 2wt%.
Anti-dispersant is polyacrylamide (PAM), and its molecular weight is 8,000,000.
Swelling agent is Sodium Polyacrylate high hydroscopic resin (SAP), and its water absorbing capacity is 1300~1500g/gSAP。
Water reducer is polycarboxylate water-reducer, and its water-reducing rate is 20%~40%.
Accelerator is the compound based on aluminum oxide clinker.
Fiber can be one or more of in polypropylene fibre, vinal, engineering plastics fiber, cotton fiber, fibre
The length of dimension is between 3~15mm.The mix ratio of fiber is the volume ratio for accounting for emergent automatic leakage-blocking material.
The present invention preparation method be：Each raw material is weighed according to foregoing each component ratio, above raw material is passed through into physical machine
Tool stirs, and adds the water of emergent automatic leakage-blocking material feedstock weight 30%~35%, continues to stir 2min, that is, obtain this production
Product.
The present invention selects setting time short binder materials, adds adjustable solidification agent and the setting time of loss circulation material is adjusted
Control；Add the density (1g/cm of density ratio water3) small filler, the density of loss circulation material is reduced, its density is approached with water, together
When for loss circulation material provide skeletal support, make it have certain mechanical strength.To realize loss circulation material in chance water or in current
Do not disperse during erosion, add anti-dispersant.The addition of swelling agent can make that the inside of loss circulation material is more closely knit, and impermeability carries
Height, and loss circulation material is brought into close contact leak inwall, adhesion strength improves, and plugging effect is more preferable.Added in loss circulation material fine
Dimension, network structure is formed in leak using the multilayer unrest distributed mutually behavior of fiber, loss circulation material can be formed and blocked, be advantageous to seal
It is stifled.
Beneficial effects of the present invention are：
The emergent automatic leakage-blocking material of the present invention can carry out essence according to leak stopping demand to the density of loss circulation material and setting time
Really regulation and control so that emergent automatic leakage-blocking material is in leak energy rapid curing, formation plugged zone, completion leak stopping.Emergent automatic leakage-blocking
The density of material can be in 1.0~1.45g/cm3Between change, setting time is 3~5min.
The emergent automatic leakage-blocking condensation of materials of the present invention is fast, has higher early mechanics characteristics and anti-permeability performance, in water
In it is not defeated and dispersed, Self-leveling, self-compaction can be realized, blocking speed is fast, and success rate is high.It can be used in high radioactivity sewage, poisonous
The blocking construction of the container or facility of noxious industry waste water etc., personnel or instrument auxiliary construction are not needed in Process of Leaking Stoppage, realized
The automation of Process of Leaking Stoppage and rapid, can after the generation of sewage leakage accident the very first time blocked, avoid externally
The destruction of boundary's environment.In addition, the present invention also can be widely used to the leak stopping of pond, underground engineering, mine etc., application prospect is wide
It is wealthy.
Embodiment
For a better understanding of the present invention, the present invention is furtherd elucidate below in conjunction with embodiment.Hereinafter except fibre
It is to account for outside the percentage of emergent automatic leakage-blocking material cumulative volume to tie up volume percentage, and remaining percentage is material and aluminium sulfate
The mass percent of cement quality.
Embodiment 1~5
Specific parts by weight in embodiment shared by each raw material are as shown in table 1.
Table 1 is met an urgent need automatic leakage-blocking materials Example formula
The main performance index number of the emergent automatic leakage-blocking materials Example 1~5 obtained according to the said goods preparation process
According to as shown in table 2.
Table 2 is met an urgent need automatic leakage-blocking materials Example performance
It can find out from table 2, the density for adding the emergent automatic leakage-blocking material of different addition quantity floating bead can be interior in a big way
It is changed, setting time can be also adjusted by the volume of accelerator.The mechanics of emergent automatic leakage-blocking materials Example 1~5
Performance and impermeability are all preferable, and dispersion resistance and fluidity can also meet to require.
Claims (12)
1. a kind of emergent automatic leakage-blocking material, it is characterised in that by sulphate aluminium cement, walnut shell particle, floating bead, bentonite, anti-
Dispersant, swelling agent, water reducer, accelerator, fiber composition, the weight ratio of each component are：
2. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described sulphate aluminium cement intensity etc.
Level need to reach more than 42.5MPa.
3. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described walnut shell particle is by particle diameter
1.5~2mm thick walnut shell particle and particle diameter is 0.75~1.2mm thin walnut shell particle in mass ratio 1:1~1:1.5 mixing
Composition.
4. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described floating bead particle diameter is 50~100 μ
M, density are 0.4~0.6g/cm3。
5. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described bentonite is sodium Ji Mengtuo
Soil, fineness are 75 μm and tailed over no more than 2wt%.
6. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described anti-dispersant is polyacrylamide
Amine (PAM), its molecular weight are 8,000,000.
7. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described swelling agent is Sodium Polyacrylate
High hydroscopic resin (SAP), its water absorbing capacity are 1300~1500g/gSAP。
8. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described water reducer is polycarboxylic acids diminishing
Agent, its water-reducing rate are 20%~40%.
9. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described accelerator is with aluminum oxide clinker
For the compound of main body.
10. emergent automatic leakage-blocking material according to claim 1, it is characterised in that：Described fiber doping ratio is to account for
The volume ratio of emergent automatic leakage-blocking material, fiber can be polypropylene fibre, vinal, engineering plastics fiber, cotton fibre
It is one or more of in dimension.
11. fiber according to claim 10, it is characterised in that：The length of fiber is between 3~15mm.
A kind of 12. application method of automatic leakage-blocking material emergent as claimed in claim 1, it is characterised in that：It is emergent certainly to add this
The water of dynamic loss circulation material weight 30%~35%, stirs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138147.7A CN107721334B (en) | 2017-11-16 | 2017-11-16 | Emergency automatic plugging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138147.7A CN107721334B (en) | 2017-11-16 | 2017-11-16 | Emergency automatic plugging material |
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| Publication Number | Publication Date |
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| CN107721334A true CN107721334A (en) | 2018-02-23 |
| CN107721334B CN107721334B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711138147.7A Active CN107721334B (en) | 2017-11-16 | 2017-11-16 | Emergency automatic plugging material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108863147A (en) * | 2018-07-26 | 2018-11-23 | 湖南省水利水电科学研究院 | A kind of injecting paste material additive and its application |
| CN109020361A (en) * | 2018-07-13 | 2018-12-18 | 山东大学 | A kind of high flow rate big flow blocking in flowing water fiber injecting paste material and preparation method thereof |
| CN109628077A (en) * | 2018-12-28 | 2019-04-16 | 西南石油大学 | A kind of strong structure sealing agent and preparation method thereof |
| CN110218548A (en) * | 2019-05-30 | 2019-09-10 | 北京工业大学 | A kind of material for quickly stopping leakage and preparation method thereof being automatically positioned at leakage |
| CN114806230A (en) * | 2022-02-25 | 2022-07-29 | 徐州吉安矿业科技有限公司 | Toughened spraying air leakage blocking sealing material and construction process thereof |
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| CN101712863A (en) * | 2009-11-04 | 2010-05-26 | 北京德美高科科技有限责任公司 | Water plugging agent for carbonatite and preparation method and using method thereof |
| CN104446274A (en) * | 2014-12-15 | 2015-03-25 | 北方工业大学 | High-strength early setting material |
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2017
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| CN101712863A (en) * | 2009-11-04 | 2010-05-26 | 北京德美高科科技有限责任公司 | Water plugging agent for carbonatite and preparation method and using method thereof |
| CN104446274A (en) * | 2014-12-15 | 2015-03-25 | 北方工业大学 | High-strength early setting material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020361A (en) * | 2018-07-13 | 2018-12-18 | 山东大学 | A kind of high flow rate big flow blocking in flowing water fiber injecting paste material and preparation method thereof |
| CN108863147A (en) * | 2018-07-26 | 2018-11-23 | 湖南省水利水电科学研究院 | A kind of injecting paste material additive and its application |
| CN109628077A (en) * | 2018-12-28 | 2019-04-16 | 西南石油大学 | A kind of strong structure sealing agent and preparation method thereof |
| CN110218548A (en) * | 2019-05-30 | 2019-09-10 | 北京工业大学 | A kind of material for quickly stopping leakage and preparation method thereof being automatically positioned at leakage |
| CN114806230A (en) * | 2022-02-25 | 2022-07-29 | 徐州吉安矿业科技有限公司 | Toughened spraying air leakage blocking sealing material and construction process thereof |
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| Publication number | Publication date |
|---|---|
| CN107721334B (en) | 2020-06-02 |
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