CN107011881A - A kind of mining ickings base hole-sealing grouting material and prepare hole-sealing technology - Google Patents
A kind of mining ickings base hole-sealing grouting material and prepare hole-sealing technology Download PDFInfo
- Publication number
- CN107011881A CN107011881A CN201710373800.1A CN201710373800A CN107011881A CN 107011881 A CN107011881 A CN 107011881A CN 201710373800 A CN201710373800 A CN 201710373800A CN 107011881 A CN107011881 A CN 107011881A
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- CN
- China
- Prior art keywords
- ickings
- sealing
- agent
- mining
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
-
- 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/12—Condensation polymers of aldehydes or ketones
- C04B26/127—Urea formaldehyde condensation polymers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
Abstract
The present invention relates to a kind of mining ickings base hole-sealing grouting material, it is made up of following mass fraction material：Ickings 15.87 ~ 28.65%, binding agent 28.65 ~ 31.75%, crosslinking agent 0.48 ~ 0.93%, reinforcing agent 3.17 ~ 6.17%, swelling agent 0.32 ~ 0.62%, toughener 0.14 ~ 0.63%, coupling agent 0.16 ~ 0.57%, surplus is water；It prepares hole-sealing technology and screened including ickings, preliminary batch mixing, the step of secondary mixing and sealing of hole operation etc. four.Injecting paste material prepared by the present invention, on the one hand the effective integral coherence energy for improving injecting paste material self structure, densification, closure, plugging effect and weather resistance, on the other hand broken break up coal body weight around drilling can be newly effectively bonded as continuous entirety, be conducive to improving borehole stability, and can be while drilling construction operation field dust pollution is reduced, it greatly slow down the construction technology of drilling and sealing construction, it is easy to on-site construction operations, flexibility and the reliability of drilling and sealing operation are improved, possesses the prospect of being widely applied.
Description
Technical field
The present invention relates to a kind of mining ickings base hole-sealing grouting material and hole-sealing technology is prepared, category injecting paste material technology neck
Domain.
Background technology
Drilling gas extraction can quickly reduce coal-bed gas pressure and gas bearing capacity, eliminate Coal Seam Outburst Hazard, be to control
The maximally effective technical measures of coal mine gas disaster accident are managed, the methane gas that extraction goes out can also be used as clean fuel.Bore
Hole sealing quality is the key for determining gas pumping effect, if sealing material sufficiently sealed can not drill, will cause hole pumping and mining
Generation gas leakage, reduces gas pumping efficiency, or even there is the hidden danger of methane gas extraction pipeline blast.Due in traditional sealing material,
Easily shrink dry and cracked after cement mortar material solidification；Foaming polyurethane material excessive velocities, operation are whard to control, water are met after solidification soft
Change and shrink；Mucus sealing material occurs leakage easily by drilling surrounding crack and sealing of hole cost is higher.Due to traditional sealing of hole
There is disadvantages described above in material, cause sealing of hole effect undesirable, it is difficult to the methane gas of preservation in coal seam fully be taken out in advance, to coal mine
Lower safety in production still suffers from hidden danger, therefore for this problem, in the urgent need to developing a kind of brand-new borehole sealing injecting paste material
Hole-sealing technology is prepared with corresponding, the need for meeting actual use.
The content of the invention
The object of the invention, which is that, to be overcome above-mentioned deficiency there is provided a kind of mining ickings base hole-sealing grouting material and prepares sealing of hole
Technique.
To achieve the above object, the present invention is to be achieved through the following technical solutions：
A kind of mining ickings base hole-sealing grouting material, is made up of following mass fraction material：Ickings 15.87 ~ 28.65%, binding agent
28.65 ~ 31.75%, crosslinking agent 0.48 ~ 0.93%, swelling agent 0.32 ~ 0.62%, reinforcing agent 3.17 ~ 6.17%, toughener 0.14 ~
0.63%th, coupling agent 0.16 ~ 0.57%, surplus is water.
Further, described ickings is a diameter of below 2mm pulverized coal particles.
Further, described binding agent is Lauxite.
Further, described crosslinking agent is ethanedioic acid.
Further, described swelling agent is calcium carbonate.
Further, described reinforcing agent is silica flour, and mesh number is 200 ~ 300 mesh.
Further, described toughener is hydroxypropyl methyl cellulose.
Further, described coupling agent is silane coupler KH560.
Further, described swelling agent is calcium carbonate.
A kind of mining ickings base hole-sealing grouting material prepares hole-sealing technology, comprises the following steps：
The first step, ickings screening, the ickings particle produced by the use of in extraction borehole work progress is used as the base-material of sealing material, profit
Ickings particle carried out to being sized to ickings that particle diameter is below 2mm with screening plant as raw material carry out storage it is standby, to screening
Do not meet and individually deposited using the ickings of needs afterwards；
Second step, preliminary batch mixing, the ickings and binding agent that the first step is chosen is added in agitating device, utilizes agitating device pair
Ickings and binder mixtures carry out unidirectionally at the uniform velocity stirring operation, and make ickings and binding agent uniformly mix, wherein mixing speed
For 50 ~ 200 revs/min, mixing time is 10 ~ 30 minutes, and whipping temp is 20 DEG C ~ 50 DEG C；
3rd step, secondary mixing is completed after second operation, under conditions of keeping second step mixture stirring constant,
Water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent are added in second step mixture successively and are stirred mixing,
And each material in mixture is uniformly mixed, wherein mixing time is that finished product injection slurry is can obtain after 15 ~ 20 minutes, and in system
It is standby to obtain after finished product injection slurry, keep constant to finished product injection slurry stirring and preserve, in case next process is used；
4th step, sealing of hole operation completes the 3rd step and prepared after finished product injection slurry, in 3 ~ 20 minutes, by the 3rd step system
Standby injection slurry is passed into borehole sealing equipment by grouting equipment and carries out slip casting closure to drilling.
Further, in the 3rd described step, water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent are added to
When in second step mixture, time interval when water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent addition is 1 ~ 3
Minute.
The integral coherence of injecting paste material prepared by the present invention, on the one hand effective raising injecting paste material self structure
Energy, densification, closure, plugging effect and weather resistance, on the other hand effectively can newly glue broken break up coal body weight around drilling
Become continuous entirety, be conducive to improving borehole stability, it is ensured that the need for the permanently effective extraction operation of drilling, while also effective
Improve resource recycling rate, while the height that improves injecting paste material close coal characteristic, greatly reduce slip casting material
Expect raw material, be equipped with the cost of operation, and can greatly slow down brill while drilling construction operation field dust pollution is reduced
The construction technology of hole sealing of hole construction, is easy to on-site construction operations, improves flexibility and the reliability of drilling and sealing operation, possess
It is widely applied prospect.
Brief description of the drawings
Fig. 1 prepares hole-sealing technology flow chart for the present invention's.
Embodiment
Embodiment 1
As shown in figure 1, a kind of mining ickings base hole-sealing grouting material, is made up of following mass fraction material：Ickings 15.87%, urea
Urea formaldehyde 31.75%, ethanedioic acid 0.93%, silica flour 3.17%, calcium carbonate 0.32%, hydroxypropyl methyl cellulose 0.63%, coupling agent
0.16, surplus is water.
In the present embodiment, described ickings is a diameter of below 2mm pulverized coal particles.
In the present embodiment, described silica flour mesh number is 200 ~ 300 mesh.
In the present embodiment, described coupling agent is silane coupler KH560.
A kind of mining ickings base hole-sealing grouting material prepares hole-sealing technology, comprises the following steps：
The first step, ickings screening, the ickings particle produced by the use of in extraction borehole work progress is used as the base-material of sealing material, profit
Ickings particle carried out to being sized to ickings that particle diameter is 2mm with screening plant as raw material carry out storage it is standby, to after screening not
Meet and individually deposited using the ickings of needs；
Second step, preliminary batch mixing, the ickings and binding agent that the first step is chosen is added in agitating device, utilizes agitating device pair
Ickings and binder mixtures carry out unidirectionally at the uniform velocity stirring operation, and make ickings and binding agent uniformly mix, wherein mixing speed
For 150 revs/min, mixing time is 10 minutes, and whipping temp is 30 DEG C；
3rd step, secondary mixing is completed after second operation, under conditions of keeping second step mixture stirring constant,
Water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent are added in second step mixture successively and are stirred mixing,
And each material in mixture is uniformly mixed, wherein mixing time is that finished product injection slurry is can obtain after 15 minutes, and is being prepared
Obtain after finished product injection slurry, keep constant to finished product injection slurry stirring and preserve, in case next process is used；
4th step, sealing of hole operation completes the 3rd step and prepared after finished product injection slurry, in 3 ~ 20 minutes, by the 3rd step system
Standby injection slurry is passed into borehole sealing equipment by grouting equipment and carries out slip casting closure to drilling.
In the present embodiment, in the 3rd described step, water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent are added
During into second step mixture, time interval when water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent addition is 3
Minute.
Embodiment 2
A kind of mining ickings base hole-sealing grouting material, is made up of following mass fraction material：Ickings 28.65%, binding agent
31.75%th, crosslinking agent 0.48%, reinforcing agent 6.17%, swelling agent 0.62%, toughener 0.63%, coupling agent 0.57%, surplus is water.
In the present embodiment, described ickings is a diameter of below 2mm pulverized coal particles.
In the present embodiment, described binding agent is Lauxite.
In the present embodiment, described crosslinking agent is ethanedioic acid.
In the present embodiment, described swelling agent is calcium carbonate.
In the present embodiment, described reinforcing agent is silica flour, and silica flour mesh number is 200 ~ 300 mesh.
In the present embodiment, described toughener is hydroxypropyl methyl cellulose.
In the present embodiment, described coupling agent is silane coupler KH560.
A kind of mining ickings base hole-sealing grouting material prepares hole-sealing technology, comprises the following steps：
The first step, ickings screening, the ickings particle produced by the use of in extraction borehole work progress is used as the base-material of sealing material, profit
Ickings particle carried out to being sized to ickings that particle diameter is 0.5mm with screening plant as raw material carry out storage it is standby, after screening
Do not meet and individually deposited using the ickings of needs；
Second step, preliminary batch mixing, the ickings and binding agent that the first step is chosen is added in agitating device, utilizes agitating device pair
Ickings and binder mixtures carry out unidirectionally at the uniform velocity stirring operation, and make ickings and binding agent uniformly mix, wherein mixing speed
For 50 revs/min, mixing time is 20 minutes, and whipping temp is 45 DEG C；
3rd step, secondary mixing is completed after second operation, under conditions of keeping second step mixture stirring constant,
Water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent are added in second step mixture successively and are stirred mixing,
And each material in mixture is uniformly mixed, wherein mixing time is that finished product injection slurry is can obtain after 20 minutes, and is being prepared
Obtain after finished product injection slurry, keep constant to finished product injection slurry stirring and preserve, in case next process is used；
4th step, sealing of hole operation completes the 3rd step and prepared after finished product injection slurry, in 5 minutes, prepared by the 3rd step
Injection slurry is passed into borehole sealing equipment by grouting equipment and carries out slip casting closure to drilling.
In the present embodiment, in the 3rd described step, water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent are added
During into second step mixture, time interval when water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent addition is 8
Minute.
The integral coherence of injecting paste material prepared by the present invention, on the one hand effective raising injecting paste material self structure
Energy, densification, closure, plugging effect and weather resistance, on the other hand effectively can newly glue broken break up coal body weight around drilling
Become continuous entirety, be conducive to improving borehole stability, it is ensured that the need for the permanently effective extraction operation of drilling, while also effective
Improve resource recycling rate, while the height that improves injecting paste material close coal characteristic, greatly reduce slip casting material
Expect raw material, be equipped with the cost of operation, and can greatly slow down brill while drilling construction operation field dust pollution is reduced
The construction technology of hole sealing of hole construction, is easy to on-site construction operations, improves flexibility and the reliability of drilling and sealing operation, possess
It is widely applied prospect.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of mining ickings base hole-sealing grouting material, it is characterised in that described mining ickings base hole-sealing grouting material by with
Lower mass fraction material is constituted：Ickings 15.87 ~ 28.65%, binding agent 28.65 ~ 31.75%, crosslinking agent 0.48 ~ 0.93%, expansion
Agent 0.32 ~ 0.62%, reinforcing agent 3.17 ~ 6.17%, toughener 0.14 ~ 0.63%, coupling agent 0.16 ~ 0.57%, surplus is water.
2. a kind of mining ickings base hole-sealing grouting material according to claim 1, it is characterised in that：Described ickings is straight
Footpath is below 2mm pulverized coal particles.
3. a kind of mining ickings base hole-sealing grouting material according to claim 1, it is characterised in that：Described binding agent is
Lauxite.
4. a kind of mining ickings base hole-sealing grouting material according to claim 1, it is characterised in that：Described connection agent is second
Diacid.
5. a kind of mining ickings base hole-sealing grouting material according to claim 1, it is characterised in that：Described reinforcing agent is
Silica flour, and silica flour mesh number is 200 ~ 300 mesh.
6. a kind of mining ickings base hole-sealing grouting material according to claim 1, it is characterised in that：Described toughener is
Hydroxypropyl methyl cellulose.
7. a kind of mining ickings base hole-sealing grouting material according to claim 1, it is characterised in that：Described coupling agent is
Silane coupler KH560.
8. a kind of mining ickings base hole-sealing grouting material according to claim 1, it is characterised in that：Described swelling agent is
Calcium carbonate.
9. a kind of mining ickings base hole-sealing grouting material prepares hole-sealing technology, it is characterised in that：Described mining ickings base envelope
The hole-sealing technology for preparing of hole injecting paste material comprises the following steps：
The first step, ickings screening, the ickings particle produced by the use of in extraction borehole work progress is used as the base-material of sealing material, profit
Ickings particle carried out to being sized to ickings that particle diameter is below 2mm with screening plant as raw material carry out storage it is standby, to screening
Do not meet and individually deposited using the ickings of needs afterwards；
Second step, preliminary batch mixing, the ickings and binding agent that the first step is chosen is added in agitating device, utilizes agitating device pair
Ickings and binder mixtures carry out unidirectionally at the uniform velocity stirring operation, and make ickings and binding agent uniformly mix, wherein mixing speed
For 50 ~ 200 revs/min, mixing time is 10 ~ 30 minutes, and whipping temp is 20 DEG C ~ 50 DEG C；
3rd step, secondary mixing is completed after second operation, under conditions of keeping second step mixture stirring constant,
Water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent are added in second step mixture successively and are stirred mixing,
And each material in mixture is uniformly mixed, wherein mixing time is that finished product injection slurry is can obtain after 15~20 minutes, and
Prepare after finished product injection slurry, keep constant to finished product injection slurry stirring and preserve, in case next process is used；
4th step, sealing of hole operation completes the 3rd step and prepared after finished product injection slurry, in 3 ~ 20 minutes, by the 3rd step system
Standby injection slurry is passed into borehole sealing equipment by grouting equipment and carries out slip casting closure to drilling.
10. a kind of mining ickings base hole-sealing grouting material according to claim 9 prepares hole-sealing technology, its feature exists
In：In the 3rd described step, water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent are added in second step mixture
When, time interval when water, crosslinking agent, reinforcing agent, swelling agent, toughener and coupling agent addition is 1 ~ 10 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373800.1A CN107011881A (en) | 2017-05-24 | 2017-05-24 | A kind of mining ickings base hole-sealing grouting material and prepare hole-sealing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373800.1A CN107011881A (en) | 2017-05-24 | 2017-05-24 | A kind of mining ickings base hole-sealing grouting material and prepare hole-sealing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107011881A true CN107011881A (en) | 2017-08-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710373800.1A Pending CN107011881A (en) | 2017-05-24 | 2017-05-24 | A kind of mining ickings base hole-sealing grouting material and prepare hole-sealing technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585626A (en) * | 2018-04-13 | 2018-09-28 | 山东科技大学 | A kind of multiplexing intumescent lotion discharge drilling sealing material based on bastard coal mountain flour |
| CN115559685A (en) * | 2022-10-20 | 2023-01-03 | 中国矿业大学(北京) | Device and method for preparing coal-based composite hole sealing material in real time and sealing holes in drilling process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775024A (en) * | 2014-02-14 | 2014-05-07 | 河南理工大学 | Fine coal slurry hole sealing method |
-
2017
- 2017-05-24 CN CN201710373800.1A patent/CN107011881A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775024A (en) * | 2014-02-14 | 2014-05-07 | 河南理工大学 | Fine coal slurry hole sealing method |
Non-Patent Citations (2)
| Title |
|---|
| 翟成: "瓦斯抽采钻孔柔性膏体封孔材料封孔性能研究", 《中国矿业大学学报》 * |
| 赵丕熙: "《建筑安装技术质量管理手册》", 30 July 1993, 北京:科学技术文献出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585626A (en) * | 2018-04-13 | 2018-09-28 | 山东科技大学 | A kind of multiplexing intumescent lotion discharge drilling sealing material based on bastard coal mountain flour |
| CN115559685A (en) * | 2022-10-20 | 2023-01-03 | 中国矿业大学(北京) | Device and method for preparing coal-based composite hole sealing material in real time and sealing holes in drilling process |
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Application publication date: 20170804 |
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