CN109813191A - Coal and rock deep hole jet composite explosion fracturing manifold and its application - Google Patents
Coal and rock deep hole jet composite explosion fracturing manifold and its application Download PDFInfo
- Publication number
- CN109813191A CN109813191A CN201910255209.5A CN201910255209A CN109813191A CN 109813191 A CN109813191 A CN 109813191A CN 201910255209 A CN201910255209 A CN 201910255209A CN 109813191 A CN109813191 A CN 109813191A
- Authority
- CN
- China
- Prior art keywords
- integrated
- pipe
- tube head
- integrated pipe
- deep 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
For the problems such as coal petrography deep hole orients fracturing, the release of high stress country rock, hypotonic coal petrography is anti-reflection, the invention discloses a kind of coal petrography deep hole jet stream composite explosion protection pressure break integrated pipes, including integrated tube body, integrated tube head, integrated pipe tail portion, back cover pallet, tube head cover, cavity liner and primacord string pipe；Cavity liner is " V " font, and cavity liner is cast with integrated tube body crimps integral, independent powder charge in integrated pipe body, loose joint primacord string pipe, can be directed to grafting between integrated pipe, facilitates coal petrography deep hole wide-angle powder charge.The external side of integrated pipe is equipped with pawl；Back cover pallet is fixed on integrated tube body close to integrated pipe tail portion one end, and tube head cover is fixed on integrated tube body close to integrated tube head one end；Back cover pallet, tube head cover are respectively equipped with perforation；Primacord string pipe one end is connect with back cover pallet, and the other end is connect with tube head cover.The present invention uses convenient for flexible, Fast Installation, preferably realizes the continuity of deep hole jet stream seam and the light weight and integration of perforation equipment.
Description
Technical field
The present invention relates to coal petrography deep hole blasting field, especially a kind of coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe and
It is applied.
Background technique
Drill bursting construction by its safe and efficient, inexpensive advantage at home and abroad all kinds of ground and mining engineering extensively
It uses.Explosive fracturing is crushed hole wall country rock by the shock wave that explosive charge generates, and explosive fracturing stitches carving via detonation gas
Enter increasing and split effect to further expand.It is the good orientation seam effect of realization in field practice, is usually oriented to using emptying aperture,
But since the spacing of wells is relatively small, high density is drilled higher cost, and accurate layout scheme of boreholes design difficulty is big；It uses
Grooving slot pipe alleviates orientation technics of slot to a certain extent and equips the contradiction between lightweight, but is limited by cutting groove depth
Limitation, explosive charge cumulative efficiency needs to be further improved；The perforating bullet used in petroleum industry is based on high desnity metal
Jet stream achieves preferable seepage flow joint-cutting effect, and single hole jet radius is big, preferably overcomes small spacing and frequently drills problem, but penetrates
Hole bullet deep hole explosive needs to rely on Frame for supporting parallel pipes, and quality weight, volume are big, and coal mine underground construction is difficult, particularly with wide-angle depth
Hole charging condition difficulty is bigger, and for gaseous mine condition, more metal material participates in high temperature and pressure blast process and also deposits
In larger security risk.
Summary of the invention
Technical problem to be solved by the present invention lies in prior art defect is overcome, fracturing, height are oriented for coal petrography deep hole
The release of stress country rock, the problems such as hypotonic coal petrography is anti-reflection provide a kind of coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe and its answer
With.
For achieving the above object, coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe provided by the invention, including collection
At tube body, integrated tube head, integrated pipe tail portion, back cover pallet, tube head cover, cavity liner and primacord string pipe；Cavity liner is " V " word
Type, the casting of cavity liner and integrated tube body crimps integrally independent powder charge in integrated pipe body, loose joint primacord string pipe, integrated pipe it
Between can be directed to grafting, facilitate coal petrography deep hole wide-angle powder charge；2~4mm of integrated pipe body thickness；1~2mm of cavity liner thickness.It is integrated
It is equipped with pawl on the outside of tube body, it can be anti-skidding；Back cover pallet is fixed on integrated tube body close to integrated pipe tail portion one end, and tube head cover is fixed
In integrated tube body close to integrated tube head one end；Back cover pallet, tube head cover are respectively equipped with perforation；Primacord string pipe one end and back cover
Pallet connection, the other end are connect with tube head cover.
Preferably, cavity liner uses red copper material；Integrated tube body uses fire-retardant, antistatic, corrosion resistant PE or PCV material
Material；Cavity liner and integrated tube body crimp that edge will make flash or perforation is handled, so that crimping is solid and reliable.
Preferably, 45 °~70 ° of cavity liner opening angle.
Preferably, for the bilateral orientation seam demand that drills, cavity liner is arranged symmetrically on integrated pipe body section；Drilling
Under the conditions of single-sided directional seam, cavity liner unilateral arrangement on integrated pipe body section.
Preferably, integrated tube head sum aggregate is oriented to grafting tongue and groove at pipe tail portion is included, wherein integrated tube head is public affairs
Laced belt is fluted, and integrated pipe tail portion has tongue as female connector；Groove is corresponding with tongue.
Preferably, the back cover pallet of integrated pipe tail portion requires to perforate with integrated tube body monoblock cast, centre with 10mm；
Under liquid explosives charging condition, integrated tube head sealing tube head-shield is that casting connects formula, and additional vent holes；Condensed state explosive granular media dress
Under the conditions of medicine, integrating tube head sealing tube head-shield is movable joint, and integrated tube head adds inner ring tube head cover buckle.
Preferably, the choosing of primacord string tubing matter has the thin-wall pipes such as fire-retardant, antistatic, corrosion resistant PE or PVC.It leads
One end that quick-fried rope string pipe is connect with back cover pallet is equipped with anti-skidding step.In integrated pipe powder charge process, primacord string pipe is first filled, secondly
Powder charge, last package tube head-shield.
Preferably, further including installing pipe；Tube end is installed and is equipped with screw thread；Pipe outer wall two sides are installed and are equipped with guide slot.Spiral shell
Line screws termination phase installing pipe guide slot requirement alignment.
The present invention also provides a kind of applications of above-mentioned integrated pipe, comprising the following steps:
Step 1: removing the tube head cover of integrated tube head, primacord string pipe is packed into integrated pipe, anti-skidding step is erected at back cover
The keyhole periphery of pallet；
Step 2: integrated pipe tail portion is set down, integrates tube head upward, righting primacord string pipe will fill coal in integrated pipe body
Mine permitted explosive is until with integrated pipe head position cavity liner flush position；
Step 3: blocking the integrated pipe for filling explosive using tube head cover, and repeats step 1 to three, and it is integrated to complete more powder charges
Pipe；
Step 4: powder charge integrated pipe is towards before installing in coal petrography deep hole, with 1~3 powder charge integrated pipe for one group, by primacord from collection
It wears at tube head to integrated pipe tail portion, and passes through all installing pipes；Integrated tube head sum aggregate in organizing between integrated pipe is at pipe tail
Portion orients grafting along groove, tongue, is passed to bottom hole using installing pipe, and turns installation tube angulation and make determining for tube wall two sides
To slot line always along orientation direction；
Step 5: first group of related primacord of integrated pipe is installed to bottom hole, and the realization of falling pawl powder charge integrated pipe is certainly steady in hole,
Sequence extracts dismantling installing pipe at this time；By same steps, by along hole wall along the primacord gone out pass through second group of integrated pipe it
Between integrated tube head sum aggregate at pipe tail portion and installing pipe, catch hold of the exposed primacord in installing pipe tail portion, connecting installing pipe will
Second group of powder charge integrated pipe is sent into hole, when by first group of integrated pipe tail portion in adjacent pores, is adjusted installing pipe direction, is realized two groups
Docking of the powder charge integrated pipe in hole；Step sequentially completes whole installment works of remaining powder charge integrated pipe group in hole according to this；
Step 6: being blocked blast hole using sealing material, is completed coal petrography deep hole explosive and is blocked operation, to sealing material
When solidification reaches some strength, carry out line detonation operation.
Beneficial effects of the present invention: the 1, metal liner and plastic tube of coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe
Shell casting crimps integrally, transports, is easy to carry, using orientation inserting mode between tube body, is convenient for flexible, Fast Installation use,
Preferably realize the continuity of deep hole jet stream seam and the light weight and integration of perforation equipment.2, leading using movable joint
Quick-fried rope string pipe realizes being isolated for integrated pipe powder charge and initiating equipment, has ensured the transport of powder charge integrated pipe and using safe；It leads
Quick-fried rope now fill it is current, ensure that powder charge integrated pipe detonation operation it is safe and reliable.3, between integrated pipe and its between installing pipe
Using orientation inserting mode, and integrated pipe carries anti-slip pawl and orientation tongue and groove, preferably realizes coal petrography deep hole wide-angle
Slewing powder charge effect.Mainly for coal petrography deep hole orientation fracturing, the release of high stress country rock, hypotonic coal petrography is anti-reflection the problems such as,
Using metal jet composite explosion protection fracturing process, coal petrography presplitting, release, anti-reflection and other effects are realized.
Detailed description of the invention
Fig. 1 is integrated pipe overall structure diagram；
Fig. 2 is integrated pipe tail portion cross-sectional view；
Fig. 3 is integrated tube head cross-sectional view；
Fig. 4 is integrated tube body cross-sectional view；
Fig. 5 is installing pipe overall structure diagram；
In figure: 1- integrates tube head, 2- integrated pipe tail portion, 3- back cover pallet, 4- tube head cover, 5- perforation, and 6- falls pawl, 7- Types of Medicine
Cover, 8- primacord string pipe, 9- installing pipe, 10- guide slot, 11- screw thread, 12- tongue, 13- groove, 14- tube head cover buckle.
Specific embodiment
For facing sky tunnel tight roof deep hole directional explosion pressure break field practice, hole depth 45m, powder charge section 30m, sealing of hole
Section 15m, drill 70 ° of the elevation angle, bore diameter 100mm.Deep hole jet stream composite explosion protection is carried out using coal mine allowable powdered emulsified explosive
Pressing crack construction operation, acquirement tunnel Lin Kong side tight roof are axially neatly cut along tunnel and fall effect.In conjunction with attached drawing 1-5 to the present apparatus
Using being described further.
Face sky tunnel tight roof deep hole directional blasting presplitting condition for above-mentioned, the coal petrography deep hole jet stream of selection is compound
Explosive fracturing integrated pipe, including integrated tube body, integrated tube head 1, integrated pipe tail portion 2, back cover pallet 3, tube head cover 4, cavity liner
7, primacord string pipe 8 and installing pipe 9；Integrated pipe overall diameter is 64mm, interior diameter 60mm, integrated pipe axial overall length
1500mm, the inserting depth for integrating tube head 1 and integrated pipe tail portion 2 is 85mm, 4 thickness of back cover pallet 3 and sealing tube head-shield
It is 3mm, the perforation 5 of 10mm, the included pawl 6 of the external wall surface of integrated pipe is had among back cover pallet 3 and tube head cover 4.Types of Medicine
Cover 7 is " V " font, and cavity liner 7 crimps integral with the casting of integrated tube body；Cavity liner 7 uses red copper material, axial length
1324mm, 50 ° of opening angle, opening width is in 21mm or so, wall thickness 1mm, the symmetrical bilateral arrangement on integrated pipe body section.
Primacord string pipe 8 length 1344mm, overall diameter 10mm.Integrated tube head 1 is equipped with groove 13, and integrated pipe tail portion 2 is equipped with tongue 12；
Groove 13 is corresponding with tongue 12.The connection type of tube head cover 4 and integrated tube body is or movable joint, tube head cover 4 are equipped with tube head
Cover buckle 14.9 end of installing pipe is equipped with screw thread 11；9 outer wall two sides of installing pipe are equipped with guide slot 10.
The specifically used operating procedure of coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe is as follows:
Firstly, removing the tube head cover 4 of integrated tube head 1, the primacord string pipe 8 with anti-skidding step is packed into integrated pipe, is prevented
Slide unit rank is erected at 5 periphery of perforation of back cover pallet 3.
Secondly, integrated pipe tail portion 2 is set down, integrates tube head 1 upward, righting primacord string pipe 8 will be filled in integrated pipe
Coal mine allowable powdered emulsified explosive is until with integrated 1 position cavity liner of tube head, 7 flush position.
Finally, blocking the integrated pipe for filling explosive using tube head cover 4, and step completes 20 powder charge integrated pipes according to this.
Powder charge integrated pipe is towards facing in sky back deep hole before installation, with 1~3 powder charge integrated pipe for one group, by 50m long
Primacord wear from integrated tube head 1 to integrated pipe tail portion 2, and pass through all installing pipes 9.Head in organizing between integrated pipe and
Tail portion orients grafting along tongue and groove, is passed to bottom hole using installing pipe 9, and turn 9 angle of installing pipe in due course and make tube wall two
10 line of guide slot of side is always along tunnel axial direction.
First group of related primacord of integrated pipe is installed to bottom hole, and anti-slip pawl 6 can realize powder charge integrated pipe in hole
From steady, the dismantling installing pipe 9 of sequence extraction at this time.By same steps, second group of collection will be passed through along the primacord gone out along hole wall
At between pipe head and tail portion and installing pipe 9, catch hold of the exposed primacord in 9 tail portion of installing pipe, connect installing pipe 9 for second
Group powder charge integrated pipe is sent into hole, when by first group of integrated pipe tail portion in adjacent pores, is adjusted installing pipe direction in due course, is realized two groups
Docking of the powder charge integrated pipe in hole.Step sequentially completes whole installment works of remaining powder charge integrated pipe group in hole according to this.
Finally, efficiently being blocked blast hole using dedicated sealing material, the deep hole explosive for facing sky back is completed
Carry out the line detonation operation of next step when sealing material solidification reaches some strength with closure operation.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.In the present embodiment not
The available prior art of specific each component part is realized.
Claims (9)
1. a kind of coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe, including integrated tube body, integrated tube head (1), integrated pipe tail
Portion (2), back cover pallet (3), tube head cover (4), cavity liner (7) and primacord string pipe (8)；The cavity liner (7) is " V " font,
Cavity liner (7) crimps integral with the casting of integrated tube body；The external side of integrated pipe is equipped with pawl (6)；The back cover pallet
(3), tube head cover (4) is separately fixed at integrated tube body both ends and is respectively equipped with perforation (5)；The primacord string pipe (8) one end with
Back cover pallet (3) connection, the other end are connect with tube head cover (4).
2. coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe according to claim 1, it is characterised in that: the integrated pipe
Body uses PE or PVC material；The cavity liner (7) makees flash or perforation processing, cavity liner (7) with the edge that crimps of integrated tube body
Using red copper material.
3. coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe according to claim 1, it is characterised in that: the cavity liner
(7) opening angle is 45 °~70 °.
4. coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe according to claim 1, it is characterised in that: the cavity liner
(7) symmetrical bilateral arrangement or unilateral arrangement on integrated pipe body section.
5. coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe according to claim 1, it is characterised in that: the integrated pipe
Head (1) is equipped with groove (13), and integrated pipe tail portion (2) are equipped with tongue (12)；The groove (13) is corresponding with tongue (12).
6. coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe according to claim 1, it is characterised in that: the tube head cover
It (4) is that casting connects formula or movable joint with the connection type of integrated tube body；When connecing formula using casting, tube head cover (4) is equipped with gas vent, adopts
When with movable joint, tube head cover (4) is equipped with tube head cover buckle (14).
7. coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe according to claim 1, it is characterised in that: the primacord
String pipe (8) uses PE or PVC material；One end that the primacord string pipe (8) connect with back cover pallet (3) is equipped with anti-skidding step.
8. -7 any coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe according to claim 1, it is characterised in that: also wrap
Include installing pipe (9)；Installing pipe (9) end is equipped with screw thread (11)；Installing pipe (9) the outer wall two sides are equipped with guide slot
(10).
9. a kind of application based on coal petrography deep hole jet stream composite explosion protection pressure break integrated pipe described in claim 8, it is characterised in that packet
Include following steps:
Step 1: removing the tube head cover 4 of integrated tube head 1, and primacord string pipe 8 is packed into integrated pipe body, and anti-skidding step is set up
On 5 periphery of perforation of back cover pallet 3；
Step 2: integrated pipe tail portion 2 is set down, integrates tube head 1 upward, righting primacord string pipe 8 will be filled in integrated pipe body
Permitted explosive for coal mine is until with integrated 1 position cavity liner of tube head, 7 flush position；
Step 3: blocking the integrated tube body for filling explosive using tube head cover 4, and repeats step 1 to three, completes more powder charge collection
Cheng Guan；
Step 4: powder charge integrated pipe is towards before installing in coal petrography deep hole, with 1~3 powder charge integrated pipe for one group, by primacord from collection
It wears at tube head 1 to integrated pipe tail portion 2, and passes through all installing pipes 9；The integrated tube head 1 between interior integrated pipe will be organized and integrated
Pipe tail portion 2 orients grafting along groove 13, tongue 12, is passed to bottom hole using installing pipe 9, and turn 9 angle of installing pipe and make
10 line of guide slot of tube wall two sides is always along orientation direction；
Step 5: first group of related primacord of integrated pipe is installed to bottom hole, pawl 6 realize powder charge integrated pipe in hole from
Surely, sequence extracts dismantling installing pipe 9 at this time；By same steps, integrated passing through second group along the primacord gone out along hole wall
Integrated tube head 1 and integrated pipe tail portion 2 and installing pipe 9 between pipe catch hold of the exposed primacord in 9 tail portion of installing pipe, connect
Second group of powder charge integrated pipe is sent into hole by installing pipe 9, when by first group of integrated pipe tail portion in adjacent pores, adjusts installing pipe side
To docking of the two groups of powder charge integrated pipes of realization in hole；Step sequentially completes the whole of remaining powder charge integrated pipe group in hole according to this
Installment work；
Step 6: being blocked blast hole using sealing material, is completed coal petrography deep hole explosive and is blocked operation, to sealing material
When solidification reaches some strength, carry out line detonation operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255209.5A CN109813191B (en) | 2019-04-01 | 2019-04-01 | Coal and rock deep hole jet flow composite explosion fracturing integrated pipe and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255209.5A CN109813191B (en) | 2019-04-01 | 2019-04-01 | Coal and rock deep hole jet flow composite explosion fracturing integrated pipe and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109813191A true CN109813191A (en) | 2019-05-28 |
| CN109813191B CN109813191B (en) | 2023-10-24 |
Family
ID=66611024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910255209.5A Active CN109813191B (en) | 2019-04-01 | 2019-04-01 | Coal and rock deep hole jet flow composite explosion fracturing integrated pipe and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109813191B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259447A (en) * | 2019-06-07 | 2019-09-20 | 太原理工大学 | Underground coal mine oriented perforating pressure break cuts top release shield lane method |
| CN112610198A (en) * | 2020-12-17 | 2021-04-06 | 中国矿业大学 | Coal seam mechanical fracturing and hydraulic drive cooperative targeting fracturing device and method |
| CN113898407A (en) * | 2021-09-30 | 2022-01-07 | 鄂尔多斯市伊化矿业资源有限责任公司 | Method for eliminating deep hole explosion cracking danger of impact danger zone by high-position overlying rock stress source |
| CN115289926A (en) * | 2022-04-21 | 2022-11-04 | 北方爆破科技有限公司 | Assembled multidirectional energy-gathering cover and mounting method thereof |
| CN115325896A (en) * | 2022-08-24 | 2022-11-11 | 中铁隧道勘察设计研究院有限公司 | Tunnel smooth blasting periphery hole explosive loading cartridge cover and interval charging device of energy gathering structure |
| CN116558378A (en) * | 2023-05-26 | 2023-08-08 | 中国矿业大学(北京) | Blasting device and rock blasting method |
| CN120990595A (en) * | 2025-10-21 | 2025-11-21 | 北京中京矿安科技有限公司 | A method for directional fracturing of coal mine rock strata using a directional fracturing device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5423601A (en) * | 2000-06-29 | 2002-01-10 | Rockmin Pty Ltd | Drill and blast method for excavating or fracturing hard material |
| KR20040075612A (en) * | 2003-02-22 | 2004-08-30 | 김일환 | Liner for blasting and method for blasting in use of the same |
| US20050183610A1 (en) * | 2003-09-05 | 2005-08-25 | Barton John A. | High pressure exposed detonating cord detonator system |
| CN101737026A (en) * | 2009-12-30 | 2010-06-16 | 西安新产能石油科技有限公司 | Controllable pulse gas energy pressure cracking device |
| US20100276984A1 (en) * | 2006-10-19 | 2010-11-04 | Carroll Bassett | Self-stemming cartridge |
| RU116996U1 (en) * | 2012-01-25 | 2012-06-10 | Общество с ограниченной ответственностью Научно-техническая фирма "Взрывтехнология" | WELL CHARGE OF PATROWNED EXPLOSIVES IN POLYMERIC SHELLS |
| CN102735121A (en) * | 2012-07-05 | 2012-10-17 | 中国科学技术大学 | Annular linear energy-accumulation cutter |
| US20130327571A1 (en) * | 2012-06-12 | 2013-12-12 | Schlumberger Technology Corporation | Utilization of spheroidized tungsten in shaped charge systems |
| WO2014030139A1 (en) * | 2012-08-22 | 2014-02-27 | Fowlds 3 Limited | A stemming device |
| CN104142101A (en) * | 2014-07-21 | 2014-11-12 | 中钢集团马鞍山矿山研究院有限公司 | Explosive combination device for directionally cutting and blasting surface mine |
| CN104713433A (en) * | 2015-03-25 | 2015-06-17 | 惠州中特特种爆破技术工程有限公司 | Combined adjustable linear shaped charge device and explosion method thereof |
| CN204988049U (en) * | 2015-08-06 | 2016-01-20 | 魏华昌 | Box -like gathering of tunnel universal set can charging means |
| CN107091600A (en) * | 2017-04-07 | 2017-08-25 | 安徽理工大学 | A kind of linear orientation jet cutter |
| CN209763897U (en) * | 2019-04-01 | 2019-12-10 | 中国矿业大学 | coal rock deep hole jet composite explosion fracturing integrated pipe |
-
2019
- 2019-04-01 CN CN201910255209.5A patent/CN109813191B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5423601A (en) * | 2000-06-29 | 2002-01-10 | Rockmin Pty Ltd | Drill and blast method for excavating or fracturing hard material |
| KR20040075612A (en) * | 2003-02-22 | 2004-08-30 | 김일환 | Liner for blasting and method for blasting in use of the same |
| US20050183610A1 (en) * | 2003-09-05 | 2005-08-25 | Barton John A. | High pressure exposed detonating cord detonator system |
| US20100276984A1 (en) * | 2006-10-19 | 2010-11-04 | Carroll Bassett | Self-stemming cartridge |
| CN101737026A (en) * | 2009-12-30 | 2010-06-16 | 西安新产能石油科技有限公司 | Controllable pulse gas energy pressure cracking device |
| RU116996U1 (en) * | 2012-01-25 | 2012-06-10 | Общество с ограниченной ответственностью Научно-техническая фирма "Взрывтехнология" | WELL CHARGE OF PATROWNED EXPLOSIVES IN POLYMERIC SHELLS |
| US20130327571A1 (en) * | 2012-06-12 | 2013-12-12 | Schlumberger Technology Corporation | Utilization of spheroidized tungsten in shaped charge systems |
| CN102735121A (en) * | 2012-07-05 | 2012-10-17 | 中国科学技术大学 | Annular linear energy-accumulation cutter |
| WO2014030139A1 (en) * | 2012-08-22 | 2014-02-27 | Fowlds 3 Limited | A stemming device |
| CN104142101A (en) * | 2014-07-21 | 2014-11-12 | 中钢集团马鞍山矿山研究院有限公司 | Explosive combination device for directionally cutting and blasting surface mine |
| CN104713433A (en) * | 2015-03-25 | 2015-06-17 | 惠州中特特种爆破技术工程有限公司 | Combined adjustable linear shaped charge device and explosion method thereof |
| CN204988049U (en) * | 2015-08-06 | 2016-01-20 | 魏华昌 | Box -like gathering of tunnel universal set can charging means |
| CN107091600A (en) * | 2017-04-07 | 2017-08-25 | 安徽理工大学 | A kind of linear orientation jet cutter |
| CN209763897U (en) * | 2019-04-01 | 2019-12-10 | 中国矿业大学 | coal rock deep hole jet composite explosion fracturing integrated pipe |
Non-Patent Citations (2)
| Title |
|---|
| 史慧生, 孙厚利: "油井用对称式复合射孔/防砂技术", 爆炸与冲击, no. 04, pages 380 - 384 * |
| 谢明召;王宝兴;汪长栓;冯国富;袁铁刚;张维山;: "多脉冲复合射孔器超高温推进剂研制及应用", 测井技术, no. 02, pages 254 - 256 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259447A (en) * | 2019-06-07 | 2019-09-20 | 太原理工大学 | Underground coal mine oriented perforating pressure break cuts top release shield lane method |
| CN112610198A (en) * | 2020-12-17 | 2021-04-06 | 中国矿业大学 | Coal seam mechanical fracturing and hydraulic drive cooperative targeting fracturing device and method |
| CN113898407A (en) * | 2021-09-30 | 2022-01-07 | 鄂尔多斯市伊化矿业资源有限责任公司 | Method for eliminating deep hole explosion cracking danger of impact danger zone by high-position overlying rock stress source |
| CN113898407B (en) * | 2021-09-30 | 2023-01-10 | 鄂尔多斯市伊化矿业资源有限责任公司 | Method for eliminating deep hole explosion cracking danger of impact danger zone by high-position overlying rock stress source |
| CN115289926A (en) * | 2022-04-21 | 2022-11-04 | 北方爆破科技有限公司 | Assembled multidirectional energy-gathering cover and mounting method thereof |
| CN115289926B (en) * | 2022-04-21 | 2024-05-31 | 北方爆破科技有限公司 | Assembled multidirectional energy gathering cover and installation method thereof |
| CN115325896A (en) * | 2022-08-24 | 2022-11-11 | 中铁隧道勘察设计研究院有限公司 | Tunnel smooth blasting periphery hole explosive loading cartridge cover and interval charging device of energy gathering structure |
| CN116558378A (en) * | 2023-05-26 | 2023-08-08 | 中国矿业大学(北京) | Blasting device and rock blasting method |
| CN120990595A (en) * | 2025-10-21 | 2025-11-21 | 北京中京矿安科技有限公司 | A method for directional fracturing of coal mine rock strata using a directional fracturing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109813191B (en) | 2023-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109813191A (en) | Coal and rock deep hole jet composite explosion fracturing manifold and its application | |
| CN112696999B (en) | Charging device and charging method for deep hole blasting | |
| CN102878876A (en) | Mine roadway advancing and undermining method and main blasting parameters | |
| CN111322919A (en) | Deep hole blasting charging hole sealing device and using method thereof | |
| CN103206903A (en) | Hard roof directional pressure-bearing blasting control method | |
| CN102947666A (en) | High density powdered material liner | |
| CN110725685A (en) | Hydraulic fracturing combined hydraulic blasting roadway large-footage tunneling method and fracturing device | |
| CN110805445B (en) | Bidirectional linear energy-gathering cover tensioning blasting tube device for coal mine and connection method | |
| CN108798669A (en) | Deep hole loosens stress pre-released hydraulically integration blasting method and device | |
| CN201476709U (en) | Coal Mine Gas Drainage Blasting Charge | |
| CN108413826B (en) | Deep hole loosening blasting device and method | |
| CN115898357A (en) | A construction method of deflagration fracturing for the whole well section | |
| CN209763897U (en) | coal rock deep hole jet composite explosion fracturing integrated pipe | |
| CN111561846B (en) | Continuous blasting drilling device | |
| CN210829272U (en) | Hydraulic fracturing combined hydraulic blasting roadway large-footage tunneling fracturing device | |
| CN102261874A (en) | Method for blasting large section of rock roadway at one time | |
| CN211012690U (en) | Anti water impact blasting structure of high-pressure water-rich section of tunnel engineering | |
| CN101825417A (en) | Kerf sand inclusion blasting cartridge and blasting installation device and production technology thereof | |
| RU154389U1 (en) | EXPLOSIVE CARTRIDGE HOSE | |
| CN108398067B (en) | On a kind of medium-length hole under punching to the In-hole short delay blasting method of powder charge | |
| CN103759601B (en) | A kind of underground coal mine deep hole directional blasting tube | |
| CN116136175A (en) | A collaborative construction method for coal seam floor burst roadway protection and high-efficiency gas drainage | |
| CN207816121U (en) | A kind of deep hole standing shot device | |
| CN212058512U (en) | Deep hole axial non-coupling top-cutting blasting tube | |
| CN117460877A (en) | Perforating gun with timed self-sealing thread |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |