CN101050696B - Bag type paste injection hole sealing device and its hole sealing method - Google Patents
Bag type paste injection hole sealing device and its hole sealing method Download PDFInfo
- Publication number
- CN101050696B CN101050696B CN200710054384A CN200710054384A CN101050696B CN 101050696 B CN101050696 B CN 101050696B CN 200710054384 A CN200710054384 A CN 200710054384A CN 200710054384 A CN200710054384 A CN 200710054384A CN 101050696 B CN101050696 B CN 101050696B
- Authority
- CN
- China
- Prior art keywords
- support member
- pipe
- bag
- hole sealing
- injection 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The present invention relates to a bag type paste-injecting hole-sealing equipment and its hole-sealing method. Said bag type paste-injecting hole-sealing equipment includes the following several portions: bag, internal end supporting component, middle portion supporting component, external end supporting component, paste injection control valve, reverse check valve and pressure control pin. Besides, said invention also provides the concrete steps of said hole-sealing method.
Description
Technical field
The present invention relates to the hole sealing device and the method for sealing of coal mine gas extraction borehole, especially adapt to the permanent sealing of hole of this coal bed drilling under the coal mine.
Background technology
Generally at 30 meters to hundreds of meters, sealing of hole is carried out in a certain section boring of the aperture certain distance of only adjusting the distance to the down-hole extraction borehole degree of depth, can not adopt the method for direct slip casting to carry out sealing of hole, and the sealing of hole of coal mine gas extraction borehole divides permanent sealing of hole and provisional sealing of hole.At present, the permanent sealing of hole of known coal-bed gas extraction borehole is as sealing material with polyurathamc, foam cement and other expanded material, early stage " cement seaming aperture apparatus " (ZL90227075.3) no longer adopts, the well cementing method of pore sealing also seldom adopts the domestic blown polyurethane materials sealing of hole that generally adopts at present because of operating inconvenience.At present, the provisional sealing of hole of known coal-face firedamp taking-out discharging drilling adopts reusable mechanical hole sealing device sealing of hole, as " fire damp extraction air filling type capsule bag hole packer " (ZL94209078.0), gum cover expansion type " coal rock layer drilling and sealing device " (ZL200420010782.9) etc.
Down-hole drilling will be deformed and destroy by the influence of geostatic stress, the intensity of expanded material such as polyurathamc, foam cement is very low and compressible amount is very big, the deformation failure of keyhole effectively, make the boring of sealing of hole section produce a large amount of crack leakage paths on every side, influence the concentration and the extraction effect of gas pumping.The gas leak phenomenon of the mechanical method of pore sealing that provisional sealing of hole adopted is even more serious, but because extraction time weak point (a few hours) is not generally done too high requirement.
Summary of the invention
In order to overcome the defective that existing expanded material method of pore sealing exists, prevent or reduce the generation and the development in the crack that leaks gas around the sealing of hole section boring, the object of the present invention is to provide and a kind ofly can realize that to sealing of hole section boring implements the bag type paste injection hole sealing device and the method for sealing thereof of effective injection hole sealing.
For achieving the above object, the present invention adopts following technical scheme:
A kind of bag type paste injection hole sealing device, comprise the capsule bag, the extraction pipe passes from the capsule bag, capsule bag two ends are fixed on the extraction pipe, described capsule bag is provided with exhaust plant, hoop has the expansion gate ring at the middle part of capsule bag, and the expansion gate ring is provided with the pulp control valve, and capsule bag outer end links to each other with the Grouting Pipe jack by non retern valve; Elastic thin-wall material or expanded rubber pipe that described capsule bag adopts sleeve cloth and rubber, latex to be composited, described exhaust plant is the micropore of capsule bag surface puncture, the inner end of capsule bag and outer end are separately fixed on the inner end supporting piece and outer end support member that installs on the extraction pipe, described non retern valve and Grouting Pipe jack all are positioned on the support member of outer end, and described expansion gate ring is the middle part support member of internal diameter greater than the extraction external diameter of pipe.
Described middle part support member penetrates capsule bag inside, and described pulp control valve is positioned at the middle part of middle part support member, and the capsule bag on pulp control valve both sides is tied up and is fixed on the support member of middle part.
Connect for convenience flexibly, on the described inner end supporting piece perpendicular to the extraction tubular axis to having pin hole, the Grouting Pipe jack on the support member of described outer end is parallel to extraction tubular axis line, is axially arranged with pressure control pin perpendicular to the Grouting Pipe jack on the support member of outer end.
Described capsule bag can have a plurality of, and polyphone is fixed on the described extraction pipe.
Adopt described bag type paste injection hole sealing device to carry out the method for sealing of hole, operate as follows: the first step, bag type paste injection hole sealing device is set on the gas pumping pipe, in the pin hole of inner end supporting piece, penetrate pin, impact pin with hand hammer, bag type paste injection hole sealing device and gas pumping pipe are connected as a single entity; Second step, Grouting Pipe is inserted Grouting Pipe jack on the support member of outer end, utilize pressure control pin that Grouting Pipe and outer end support member are connected as a single entity, promptly be connected as a single entity with bag type paste injection hole sealing device; The 3rd goes on foot, and gas pumping pipe, Grouting Pipe is sent into the set depth of boring together with bag type paste injection hole sealing device; The 4th step, prepare injecting paste material and also begin slip casting, Grouting Pipe breaks away from automatically when reaching the grouting pressure of setting, under the individual cases, Grouting Pipe does not still break away from when reaching grouting pressure, can manually provide pulling force to force Grouting Pipe and bag type paste injection hole sealing device to break away to Grouting Pipe; The 5th step, Grouting Pipe and grouting pump are cleaned, use in order to next injection hole sealing.
Bag type paste injection hole sealing device provided by the invention is minimum to contain a capsule bag, the capsule bag fills the slurry back and expands sealing of hole section borehole sealing, after the slurries pressure in the capsule bag reaches certain pressure, the pulp control valve at capsule bag middle part is opened, under the effect of grouting pump pressure, force slurries filling sealing of hole section boring crack on every side, after grouting pressure reached the setting grouting pressure, Grouting Pipe and hole sealing device broke away from automatically.Adopt technical solutions according to the invention, utilize the crack of slurries filling sealing of hole section borehole circumference on the one hand, boring applies powerful supporting initiatively to the late expansion that utilizes injecting paste material on the other hand to the sealing of hole section, produce the region of high stress around making the boring of sealing of hole section, reduce the gas permeability of coal body around the boring of sealing of hole section, realized that to sealing of hole section boring carries out the purpose of effective injection hole sealing.
Description of drawings
Figure 1 shows that a kind of embodiment figure of the present invention;
Figure 2 shows that second kind of embodiment figure of the present invention;
Figure 3 shows that the third embodiment figure of the present invention;
Figure 4 shows that the alternative of pressure-control valve among Fig. 1,2,3.
The specific embodiment
Example 1
As shown in Figure 1, the extraction pipe 9 that this bag type paste injection hole sealing device comprises capsule bag 1 and passes from capsule bag 1 is coated with inner end supporting piece 2 and outer end support member 4 on the extraction pipe 9.Capsule bag 1 adopts sleeve cloth (screw thread cloth) and the elastic thin-wall material that rubber, latex or other elastomeric material are composited to make, also can replace with existing expanded rubber pipe on the market, rubber makes capsule bag 1 have sealing performance, screw thread cloth makes capsule bag 1 have the performance of better anti-stretch-draw, can be at additional separately one or more layers screw thread cloth in the outside of capsule bag 1 to increase the anti-stretch-draw ability of capsule bag 1.One end of capsule bag 1 is fixed on the inner end supporting piece 2, and the other end of capsule bag 1 is fixed on the outer end support member 4, and the middle part of capsule bag 1 is fixed on the support member 3 of middle part, can be adhesively fixed with glue, also can be with tying up or the method for lock ring is fixed.Middle part support member 3 internal diameters are greater than the external diameter of extraction pipe 9, and the middle part of middle part support member 3 is provided with pulp control valve 5.When middle part support member 3 is longer capsule bag 1 can be divided into two sections fixing, capsule bag 1 can be one, also can be a plurality of series connection, the corresponding quantity of middle part support member 3 and the quantity of pulp control valve 5 of increasing during more than 1 series connection of capsule bag.The leave a blank method for exhausting of gas of capsule bag 1 internal memory adopts the method for puncture micropore to realize that air can be discharged through micropore, and injecting paste material can not pass through from micropore because of containing particulate material.The air that retains in the capsule bag 1 also can adopt in the method exhaust that outlet valve is installed on the utricule or on the support member.Inner end supporting piece 2, middle part support member 3, outer end support member 4 can be made of low-cost plastic production or refinforced cement, and middle part support member 3 can also be made of thin-wall steel tube.Axially be provided with pin-and-hole 8 perpendicular to extraction pipe 9 on the inner end supporting piece 2, in pin-and-hole 8, hammer into pin bag type paste hole sealing device and gas pumping pipe 9 are connected as a single entity.The pulp control valve of installing on the support member 3 of middle part 5 is steel ball and spring formula pressure check valve, the effect of pulp control valve 5 is the minimum pulp pressure of slurries pulp outside capsule bag 1 in the control capsule bag 1, and assurance pulp control valve 5 pulps capsule bag before can fully expand and contact drill hole wall.Capsule bag 1 fills slurry and expands, the capsule internal memory micropore that gas punctures from cyst wall of leaving a blank is discharged, and after capsule bag 1 was full of slurries and can stops up boring 11, pulp control valve 5 was opened automatically, slurries form hole wall and ooze slurry district 12 through coal body 16 slip castings of pulp control valve 5 around boring 11.Pulp control valve 5 can also replace with the pulp gate ring among Fig. 4 15, can pulp under certain pressure as long as can guarantee.As shown in Figure 4, at a plurality of slurry outlets 14 of radially offering of middle part support member 3, pulp gate ring 15 covers slurry outlet 14, and pulp gate ring 15 is elastic rubber rings, utilizes the pretightning force of pulp gate ring 15 to control pulp pressure.The non retern valve 6 that communicates with capsule bag 1 is installed on the outer end support member 4, and non retern valve 6 can be a spring steel ball formula one way valve, also can be valve core type one way valve, as long as realize that slurries can advance and can not go out.Also be provided with the jack of Grouting Pipe 10 on the outer end support member 4, the Grouting Pipe jack is parallel to extraction pipe 9 axis, the outer end grafting Grouting Pipe 10 of the jack of Grouting Pipe 10, Grouting Pipe 10 is connected as a single entity with outer end support member 4 by pressure control pin 7, reach the grouting pressure of setting when grouting pressure after, pressure control pin 7 can be cut off automatically, and pressure control pin 7 is cut off grouting behind shaft or drift lining pipe 10 and broken away from outer end support member 4.Plastic production is made or easily cut off to pressure control pin 7 by easily cutting off metal.Be provided with sealing ring between inner end supporting piece 2, outer end support member 4 and the gas pumping pipe 9, also can in advance inner end supporting piece 2, outer end support member 4 be bonded together with gas pumping pipe 9.The optional cement injection material of injecting paste material, high water injecting paste material or other material injecting paste material.
Carry out the method for sealing of hole with bag type paste injection hole sealing device as mentioned above, operate as follows:
After boring 11 constructions finish, can in distance boring 11 aperture certain distances, implement sealing of hole, the difference of factors such as base area stress intensity, coal seam intensity, the distance in sealing of hole segment distance aperture generally between 8~15 meters, can adjust according to the down-hole actual conditions by the sealing of hole segment length.The method step of sealing of hole is: the first step, bag type paste injection hole sealing device is set on the gas pumping pipe 9, and in the pin hole 8 of inner end supporting piece 2, penetrate pin, impact pin with hand hammer, bag type paste injection hole sealing device and gas pumping pipe 9 are connected as a single entity; Second step, with the Grouting Pipe jack that Grouting Pipe 10 is inserted on the outer end support member 4, utilize pressure control pin 7 that Grouting Pipe 10 and outer end support member 4 are connected as a single entity, promptly be connected as a single entity with bag type paste injection hole sealing device; The 3rd goes on foot, and gas pumping pipe 9, Grouting Pipe 10 is sent into the set depth of boring 11 together with bag type paste injection hole sealing device; The 4th step, prepare injecting paste material and also begin slip casting, Grouting Pipe 10 breaks away from automatically when reaching the grouting pressure of setting, under the individual cases, Grouting Pipe 10 does not still break away from when reaching grouting pressure, provides pulling force to force Grouting Pipe 10 and bag type paste injection hole sealing device to break away from can manually for Grouting Pipe 10; The 5th step, Grouting Pipe 10 and grouting pump are cleaned, use in order to next injection hole sealing.With gas pumping pipe 9 and branch's extraction pipe connection, implement gas pumping at last.
Example 2
As shown in Figure 2, present embodiment and embodiment 1 basically identical shown in Figure 1, difference is that middle part support member 3 shown in Figure 2 no longer is plastics or metalwork, but at capsule bag 1 middle part a compound expansion gate ring 4 that expands in control capsule bag 1 middle part, expansion gate ring 4 is flexible sleeves of making of fiber, the dilatancy of expansion gate ring 4 is less than the dilatancy of capsule bag 1, and expansion gate ring 4 is bonded in the expansion that is used for controlling capsule bag 1 on the capsule bag 1, and pulp control valve 5 is installed on the expansion gate ring 4.The method step of sealing of hole is with embodiment 1.
Example 3
As shown in Figure 3, present embodiment and embodiment 1 basically identical shown in Figure 1, difference is that inner end supporting piece 2, middle part support member 3 and outer end support member 4 are connected as a single entity by mull technique or spiral marking connection method etc., middle part support member 3 penetrates capsule bag inside, two ends are connected with outer end support member 4 with inner end supporting piece 2 respectively, radially all have grout outlet 13 on the middle part support member 3 that capsule bag 1 covers.Support member 3 two ends, middle part also can and inner end supporting piece 2 and 4 of outer end support members reserve the gap and form grout outlet.The method step of sealing of hole is with embodiment 1.The cost of the present embodiment is higher than embodiment 1 and embodiment 2, but can reduce the axial stretching force of capsule bag 1, has certain superiority under the situation that grouting pressure is had relatively high expectations.
Claims (5)
1. bag type paste injection hole sealing device, comprise the capsule bag, the extraction pipe passes from the capsule bag, capsule bag two ends are fixed on the extraction pipe, it is characterized in that: described capsule bag is provided with exhaust plant, hoop has the expansion gate ring at the middle part of capsule bag, and the expansion gate ring is provided with the pulp control valve, and capsule bag outer end links to each other with the Grouting Pipe jack by non retern valve; Elastic thin-wall material or expanded rubber pipe that described capsule bag adopts sleeve cloth and rubber, latex to be composited, described exhaust plant is the micropore of capsule bag surface puncture, the inner end of capsule bag and outer end are separately fixed on the inner end supporting piece and outer end support member that installs on the extraction pipe, described non retern valve and Grouting Pipe jack all are positioned on the support member of outer end, and described expansion gate ring is the middle part support member of internal diameter greater than the extraction external diameter of pipe.
2. bag type paste injection hole sealing device as claimed in claim 1 is characterized in that: described middle part support member penetrates capsule bag inside, and described pulp control valve is positioned at the middle part of middle part support member, and the capsule bag on pulp control valve both sides is tied up and is fixed on the support member of middle part.
3. bag type paste injection hole sealing device as claimed in claim 2, it is characterized in that: on the described inner end supporting piece perpendicular to the extraction tubular axis to having pin hole, Grouting Pipe jack on the support member of described outer end is parallel to extraction tubular axis line, is axially arranged with pressure control pin perpendicular to the Grouting Pipe jack on the support member of outer end.
4. as the arbitrary described bag type paste injection hole sealing device of claim 1 to 3, it is characterized in that: described capsule bag can have a plurality of, and polyphone is fixed on the described extraction pipe.
5. adopt the described bag type paste injection hole sealing device of claim 4 to carry out the method for sealing of hole, it is characterized in that carrying out as follows: the first step, bag type paste injection hole sealing device is set on the gas pumping pipe, in the pin hole of inner end supporting piece, penetrate pin, impact pin with hand hammer, bag type paste injection hole sealing device and gas pumping pipe are connected as a single entity; Second step, Grouting Pipe is inserted Grouting Pipe jack on the support member of outer end, utilize pressure control pin that Grouting Pipe and outer end support member are connected as a single entity, promptly be connected as a single entity with bag type paste injection hole sealing device; The 3rd goes on foot, and gas pumping pipe, Grouting Pipe is sent into the set depth of boring together with bag type paste injection hole sealing device; The 4th step, prepare injecting paste material and also begin slip casting, Grouting Pipe breaks away from automatically when reaching the grouting pressure of setting, under the individual cases, Grouting Pipe does not still break away from when reaching grouting pressure, can manually provide pulling force to force Grouting Pipe and bag type paste injection hole sealing device to break away to Grouting Pipe; The 5th step, Grouting Pipe and grouting pump are cleaned, use in order to next injection hole sealing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710054384A CN101050696B (en) | 2007-05-10 | 2007-05-10 | Bag type paste injection hole sealing device and its hole sealing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710054384A CN101050696B (en) | 2007-05-10 | 2007-05-10 | Bag type paste injection hole sealing device and its hole sealing method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101050696A CN101050696A (en) | 2007-10-10 |
CN101050696B true CN101050696B (en) | 2010-05-19 |
Family
ID=38782275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710054384A Expired - Fee Related CN101050696B (en) | 2007-05-10 | 2007-05-10 | Bag type paste injection hole sealing device and its hole sealing method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101050696B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106401522A (en) * | 2016-06-17 | 2017-02-15 | 中国矿业大学 | Flexible plastic quick grouting hole sealing device and method |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101845944B (en) * | 2010-05-08 | 2013-06-05 | 中国矿业大学 | Method for sealing gas drainage boreholes at specified positions |
CN101858227B (en) * | 2010-05-24 | 2011-12-28 | 安徽省皖北煤电集团孟庄煤矿 | Device for intensively and fast draining water in downward drainage drill hole |
CN101886531A (en) * | 2010-06-14 | 2010-11-17 | 阳泉煤业(集团)有限责任公司 | Drilling and sealing method for gas drainage from coal seam |
CN101899960A (en) * | 2010-07-09 | 2010-12-01 | 张幼禽 | Oilwell leakage plugging device |
CN102200024B (en) * | 2011-05-11 | 2013-06-19 | 河南理工大学 | Gas extraction center divided-flow type grouting and hole sealing device and hole sealing method |
CN102383781B (en) * | 2011-07-15 | 2014-01-08 | 河南理工大学 | Method for measuring gas pressure of coal bed |
CN102953749B (en) * | 2011-08-19 | 2015-06-03 | 淮南矿业(集团)有限责任公司 | Pumping drill hole plugging device and pumping drill hole plugging method |
CN102966370B (en) * | 2011-09-01 | 2015-04-29 | 淮南矿业(集团)有限责任公司 | Drainage borehole plugging device and method |
CN102966329B (en) * | 2011-09-01 | 2015-02-04 | 淮南矿业(集团)有限责任公司 | Drainage borehole plugging device and method |
CN102966371B (en) * | 2011-09-01 | 2015-05-20 | 淮南矿业(集团)有限责任公司 | Drainage borehole plugging device and method |
CN102322288A (en) * | 2011-10-10 | 2012-01-18 | 新乡市嘉汇科技有限公司 | Self-expanding gas hole sealer |
CN102562133B (en) * | 2012-01-16 | 2013-12-11 | 中国矿业大学 | Device and method for sealing and drilling holes of gas drainage |
CN102561992B (en) * | 2012-01-29 | 2013-11-06 | 山东大学 | Grouting plugging process adopting deformation water stopper |
CN102913184B (en) * | 2012-10-26 | 2015-05-27 | 河南理工大学 | Secondary composite high-pressure grouting and sealing process of gas drainage drilling artificial separation barrier |
CN102877882A (en) * | 2012-11-05 | 2013-01-16 | 焦作市新筑王材料科技有限公司 | Method for plugging methane gas extraction hole |
CN102926700B (en) * | 2012-11-23 | 2014-04-02 | 平顶山市安泰华矿用安全设备制造有限公司 | Grouting bag type hole packer with multi-section seal |
CN102926775B (en) * | 2012-11-23 | 2015-06-17 | 平顶山市安泰华矿用安全设备制造有限公司 | Grouting reinforcement device for anchor rod |
CN102979478B (en) * | 2012-12-05 | 2013-11-06 | 山东大学 | Water stopping device for water inrush borehole drilling |
CN103075127B (en) * | 2012-12-27 | 2016-02-24 | 中国矿业大学 | A kind of flexible filling material drilling and sealing device and method |
CN103967444A (en) * | 2013-01-30 | 2014-08-06 | 河南煤业化工集团研究院有限责任公司 | Gas extraction hole drilling hole sealing technology in manner of two-end self-blocking and under pressure |
CN103352675B (en) * | 2013-07-01 | 2016-08-17 | 陕西煤业化工技术研究院有限责任公司 | A kind of mash gas pumping drilling sealing device and method |
CN103485747B (en) * | 2013-09-23 | 2016-08-10 | 陕西煤业化工技术研究院有限责任公司 | A kind of automatic compensation borehole sealing device and method |
CN103541663B (en) * | 2013-09-23 | 2016-07-06 | 中国平煤神马能源化工集团有限责任公司天成实业分公司 | Special three hole pipe and the usings method thereof of stopper |
CN103615212A (en) * | 2013-12-13 | 2014-03-05 | 新乡市嘉汇科技有限公司 | Two-blocking one-grouting grouting and hole sealing device |
CN103758486A (en) * | 2014-02-13 | 2014-04-30 | 河南理工大学 | Pipeless grouting hole sealing device |
CN103775024B (en) * | 2014-02-14 | 2017-01-04 | 河南理工大学 | Duff slurry method for sealing |
CN103790546B (en) * | 2014-02-14 | 2016-08-17 | 河南理工大学 | Gas pre-drainage boring ickings backfill method for sealing |
CN105114117A (en) * | 2015-08-10 | 2015-12-02 | 华北理工大学 | Gas drainage method based on expansion material |
CN105888603B (en) * | 2016-04-13 | 2018-12-11 | 中煤科工集团西安研究院有限公司 | Coal mine gas extraction borehole rapid hole sealing device and application method |
CN106437611B (en) * | 2016-10-24 | 2018-12-04 | 河南理工大学 | Prefabricated pipeline grouting with pressure method for sealing and device in mash gas pumping drilling hole |
CN106437825A (en) * | 2016-12-05 | 2017-02-22 | 山西石泉煤业有限责任公司 | Gas extraction method adopting high-level drilling on full-mechanized caving mining face of high gas mine |
CN106837240A (en) * | 2017-03-29 | 2017-06-13 | 徐州吉安矿业科技有限公司 | Segmentation capsule-type injection hole sealing device and its method for sealing based on fluid |
CN107676055B (en) * | 2017-11-23 | 2019-10-25 | 山东科技大学 | A kind of mash gas pumping drilling method for blocking using S-shaped structural traps bayonet |
CN107939333B (en) * | 2018-01-10 | 2020-02-18 | 河南理工大学 | Multistage pressure-bearing type permeable hole sealing method and device |
CN108150127B (en) * | 2018-02-13 | 2024-03-19 | 安徽佳泰矿业科技有限公司 | Hole sealing device and hole sealing method for mine gas extraction drilling |
CN108625819B (en) * | 2018-05-22 | 2023-10-13 | 河南理工大学 | Fixed hole sealing of gas drainage and leaking stoppage integrated device |
CN109138908B (en) * | 2018-10-31 | 2024-06-28 | 徐州中矿岩土技术股份有限公司 | Inflatable hole packer for drilling grouting and application method thereof |
CN109209293B (en) * | 2018-11-16 | 2020-09-08 | 辽宁工程技术大学 | Comprehensive outburst prevention construction method for rock cross-cut outburst coal seam |
CN109339736B (en) * | 2018-12-19 | 2023-09-01 | 河南理工大学 | Solid-liquid two-phase hole sealing device and process for gas extraction drilling |
CN110159224A (en) * | 2019-05-17 | 2019-08-23 | 河南理工大学 | Three pouches block integral type hole sealing device and method for sealing |
CN110145340B (en) * | 2019-06-19 | 2020-08-25 | 河南理工大学 | Coal seam crack slip casting plugging device |
CN110454115A (en) * | 2019-09-10 | 2019-11-15 | 河南理工大学 | A kind of mash gas pumping drilling hole sealing device and method for sealing |
CN110686850B (en) * | 2019-09-30 | 2021-07-27 | 中国空气动力研究与发展中心高速空气动力研究所 | Test device and test method for continuously adjusting opening-closing ratio of transonic test section |
CN110778357A (en) * | 2019-11-14 | 2020-02-11 | 重庆术创科技有限公司 | Rapid hole sealing device and hole sealing method |
CN111173474A (en) * | 2020-01-13 | 2020-05-19 | 西南石油大学 | Water stopping device for layered water pumping test, water pumping test device and test method |
CN111456680A (en) * | 2020-04-21 | 2020-07-28 | 上海长凯岩土工程有限公司 | Self-sealing type grouting and well sealing device |
CN111927527B (en) * | 2020-08-12 | 2022-05-17 | 宿州市金鼎安全技术股份有限公司 | Quick gas drilling and extraction device |
CN112282808B (en) * | 2020-09-29 | 2023-03-10 | 河南理工大学 | Large mining height and anti-caving coal anchoring top injection device and using method thereof |
CN112855072B (en) * | 2021-02-04 | 2022-10-28 | 河南理工大学 | Device and method for mineralizing and multistage blocking surrounding rock fracture water by using slurry and microorganisms |
CN113107419B (en) * | 2021-05-07 | 2022-12-13 | 永城煤电控股集团有限公司 | Colliery drilling hole sealing device |
CN113431043A (en) * | 2021-06-25 | 2021-09-24 | 中交路桥建设有限公司 | Ultrahigh-pressure circulating splitting grouting structure and construction method |
CN113605961B (en) * | 2021-08-12 | 2023-07-14 | 煤炭科学技术研究院有限公司 | Underground coal mine gas injection displacement injection and extraction dual-purpose recoverable hole sealing device and method |
CN113718752A (en) * | 2021-09-10 | 2021-11-30 | 中国电建集团成都勘测设计研究院有限公司 | Ground diaphragm wall composite grouting method and grouting structure |
CN113638398A (en) * | 2021-09-13 | 2021-11-12 | 天津大学 | Active dynamic control method for stress of bag type grouting soil body |
CN113737624A (en) * | 2021-09-13 | 2021-12-03 | 天津大学 | Bridge head bump bag type grouting repair construction method |
CN113503139B (en) * | 2021-09-13 | 2021-12-07 | 中煤科工集团西安研究院有限公司 | In-hole time-delay self-sealing device and using method |
CN113982528B (en) * | 2021-10-19 | 2023-08-15 | 山东科技大学 | Method for quickly pushing and sealing long water injection drill holes on coal seam |
CN114515506B (en) * | 2022-01-04 | 2024-02-02 | 河南中煤矿业科技发展有限公司 | Method for preparing and using gas digestive juice |
CN114458232A (en) * | 2022-02-09 | 2022-05-10 | 煤炭科学技术研究院有限公司 | Self-adaptive pressure-maintaining sealing device and method for drilling |
CN115138588B (en) * | 2022-06-27 | 2024-03-15 | 重庆大学 | High-precision and efficient automatic plastic bottle sorting integrated system and device |
CN115822603B (en) * | 2022-12-26 | 2024-02-27 | 山东科技大学 | Reinforcing device with pressure relief function for deep coal roadway and method thereof |
CN116677345B (en) * | 2023-06-02 | 2023-11-24 | 山西实瑞达管业有限公司 | Hole packer for gas drainage |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4072015A (en) * | 1976-12-30 | 1978-02-07 | The United States Of America As Represented By The Secretary Of The Interior | Borehole aerostatic ground support system |
US4474409A (en) * | 1982-09-09 | 1984-10-02 | The United States Of America As Represented By The Secretary Of The Interior | Method of enhancing the removal of methane gas and associated fluids from mine boreholes |
CN2193428Y (en) * | 1994-04-22 | 1995-03-29 | 河南省煤炭科学研究所 | Aerated capsule hole sealing device for mine gas ventilation |
CN1884790A (en) * | 2006-07-06 | 2006-12-27 | 宋彦波 | Grouting sealing method and apparatus for borehole and conductor pipe for water prospection of mine |
-
2007
- 2007-05-10 CN CN200710054384A patent/CN101050696B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4072015A (en) * | 1976-12-30 | 1978-02-07 | The United States Of America As Represented By The Secretary Of The Interior | Borehole aerostatic ground support system |
US4474409A (en) * | 1982-09-09 | 1984-10-02 | The United States Of America As Represented By The Secretary Of The Interior | Method of enhancing the removal of methane gas and associated fluids from mine boreholes |
CN2193428Y (en) * | 1994-04-22 | 1995-03-29 | 河南省煤炭科学研究所 | Aerated capsule hole sealing device for mine gas ventilation |
CN1884790A (en) * | 2006-07-06 | 2006-12-27 | 宋彦波 | Grouting sealing method and apparatus for borehole and conductor pipe for water prospection of mine |
Non-Patent Citations (2)
Title |
---|
王永安等.瓦斯抽放钻孔封孔方法的改进.山西煤炭26 3.2006,26(3),24-25. |
王永安等.瓦斯抽放钻孔封孔方法的改进.山西煤炭26 3.2006,26(3),24-25. * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106401522A (en) * | 2016-06-17 | 2017-02-15 | 中国矿业大学 | Flexible plastic quick grouting hole sealing device and method |
CN106401522B (en) * | 2016-06-17 | 2018-11-30 | 中国矿业大学 | A kind of quick injection hole sealing device of soft plasticity and method |
Also Published As
Publication number | Publication date |
---|---|
CN101050696A (en) | 2007-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101050696B (en) | Bag type paste injection hole sealing device and its hole sealing method | |
CN105840134B (en) | Wear layer single pouch injection hole sealing device of uplink drilling and its a method for sealing | |
CN105715230B (en) | Ooze paddle list pouch injection hole sealing device and its method for sealing in middle part | |
CN101482026B (en) | Gas extraction secondary high-pressure slip-casting hole-sealing apparatus and its hole-sealing method | |
CN101395339B (en) | Method and apparatus to cement a perforated casing | |
CN110259383B (en) | Advancing drilling and grouting integrated device and using method | |
CN102913184B (en) | Secondary composite high-pressure grouting and sealing process of gas drainage drilling artificial separation barrier | |
AU2011301781B2 (en) | Drill hole plugs | |
US20030075342A1 (en) | Packer, setting tool for a packer and method for setting a packer | |
CN210977392U (en) | Gas drainage drilling hole sealing device | |
CN102089495A (en) | Method for sealing off a water zone in a production well downhole and a sealing arrangement | |
CN201351479Y (en) | Gas drainage secondary high pressure grouting hole sealing device | |
CN105715228A (en) | Single-pipe airbag type gas drilled hole sealing device | |
CN202031533U (en) | Shunting-type grouting plugging device for gas extraction center | |
CN112554839B (en) | Integral hose plug-in-free gas hole packer and hole sealing method thereof | |
CN2742121Y (en) | Quick expansion water blocking seal device | |
CN113481986B (en) | Anti-floating anchor rod construction method in karst area | |
CN110529155A (en) | A kind of drill bit only starches drilling rod and is segmented retrusive grouting method | |
JP5485810B2 (en) | Injection method and equipment | |
CN114183093A (en) | Drilling grading, segmenting, time-sharing and grouting hole sealing device and method | |
JP5414924B1 (en) | Casing pipe | |
CN216406771U (en) | Multifunctional gas pumping and sealing device adopting blasting valve annular hole plugging and supplementing injection | |
CN106437611A (en) | Method and device for prefabricated pipeline pressurized grouting hole sealing inside gas extraction drill hole | |
CN112922562B (en) | Multifunctional gas extraction hole sealing method | |
CN212774200U (en) | Filling device for underground casing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20140510 |