CN103899310A - Underground coal seam shattering system and method - Google Patents
Underground coal seam shattering system and method Download PDFInfo
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- CN103899310A CN103899310A CN201410145331.4A CN201410145331A CN103899310A CN 103899310 A CN103899310 A CN 103899310A CN 201410145331 A CN201410145331 A CN 201410145331A CN 103899310 A CN103899310 A CN 103899310A
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Abstract
The invention discloses an underground coal seam shattering system and an underground coal seam shattering method. The system comprises a carbon dioxide shattering device, a gas drainage device and a carbon dioxide shattering detection device which are arranged in a mine, wherein the carbon dioxide shattering detection device, the carbon dioxide shattering device and the gas drainage device are connected with a control device; the carbon dioxide shattering device comprises a release part, a cracking part and a detonation part which are sequentially assembled together; one end of the release part is open to form a release space; a radial release hole is formed in a peripheral wall of the release part; the cracking part is arranged at the matched part of the open end of the release part and the detonation part; a detonating hydraulic joint connected with a hydraulic source is formed in the detonation part; the cracking part comprises a cracking piece; a tool for providing shear force is arranged on at least one end of the cracking piece. The carbon dioxide shattering device, the gas drainage device and the carbon dioxide shattering detection device form a novel system, and automatic coal seam shattering control is realized through a controller.
Description
Technical field
The present invention specifically discloses a kind of for the system and method that shatters of the coal seam under mine.
Background technology
Have at present the independent carbon dioxide device that shatters, device etc. draws out methane, each device is all independently, do not form a system, and in a lot of situations, because the carbon dioxide device that shatters arranges in the coal seam of mine, in the time that it shatters, often do not hear sound, therefore just cannot judge whether the carbon dioxide device that shatters shatters yet.
The carbon dioxide in the prior art field device that shatters mainly contains two classes, one class is the carbon dioxide of the introducing Britain CARDOX company device that shatters, and another kind of is according to the carbon dioxide of CARDOX company of the Britain principle of device and carbon dioxide that structure forms by the technological improvement device that shatters that shatters.This two classes carbon dioxide device that shatters all uses electric energy to detonate, and it is exactly a kind of danger that electric energy detonates that this uses under high explosive gas atmosphere, and the electric energy high temperature causing that detonates also can produce the pernicious gases such as some carbon monoxide.In addition, its parts that break only include a rupture diaphragm, when ignition, need very strong pressure to ignite.
Summary of the invention
In order to solve the shortcoming existing in prior art, the invention discloses a kind of for the system and method that shatters of the coal seam under mine.
The technical solution used in the present invention is as follows:
A kind of for the system that shatters of the coal seam under mine, comprise the carbon dioxide of being located in mine device, the device that draws out methane, the carbon dioxide checkout gear that shatters that shatters, described carbon dioxide shatter checkout gear, carbon dioxide shatter device, the device that draws out methane, be all connected with a control device; The described carbon dioxide device that shatters comprises the releasing parts fitting together successively, and parts and the parts that detonate break; One end opening of described releasing parts and inwardly form Free up Memory, has one end to be communicated with the radially release aperture that the other end is in communication with the outside with Free up Memory in the circle wall of releasing parts; The openend of described releasing parts is provided with the parts that break with the parts place of matching of detonating; The described parts that detonate are provided with the ignition hydraulic interface being connected with hydraulic power source; The described parts that break comprise rupture diaphragm, are provided with at least one side of described rupture diaphragm the cutter that shearing force is provided.
Described carbon dioxide device, the device that draws out methane, the carbon dioxide checkout gear that shatters that shatters is located in the boring in coal seam separately.
Be provided with piston cutter and endless knife at the two ends of described rupture diaphragm, and be subject to potential source to come from piston cutter one side.
In the described parts that detonate, be provided with its space is divided into pressurized space and the isolated part in the space of exerting pressure, and the described parts that detonate are provided with the ignition hydraulic interface communicating with the space of exerting pressure.
The described parts that detonate are provided with the carbon dioxide perfusion interface communicating with pressurized space.
Described isolated part is provided with the carbon dioxide perfusion interface being integrated with it and communicate with pressurized space; And the axial direction of isolated part has and the hole of pouring into plug screw and working in coordination mutually.
The described parts that detonate comprise the detonator matching with releasing parts in end, and the afterbody of detonator is sealed and matched with the tail that detonates, and in the cavity of detonator and the urogenesis of detonating, are provided with isolated part.
Described isolated part is separator piston body, described separator piston body comprises the major diameter cylinder and the minor diameter cylinder that are mutually integrated, there is one end of major diameter cylinder, its inside is provided with open-ended straight hole, have the inside of minor diameter cylinder one end to be provided with and the screwed hole that pours into plug screw and match, described straight hole and screwed hole connect; Perfusion interface is positioned on the sidewall of minor diameter cylinder one end, and one end is communicated with screwed hole, and the other end is in communication with the outside.
The described parts that detonate also comprise bearing ring, the 3rd sealing ring and the 3rd back-up ring;
One end of the inside of described detonator be provided with match with releasing parts first be connected internal thread, the inner other end be provided with match with bearing ring second be connected internal thread, there is the first through hole inner centre, and the first bottom and the first through hole intersection that connects internal thread has shoulder;
One end of the described tail outside of detonating be provided with match with detonator second be connected external screw thread, have the inside of second externally threaded one end of connection to have open-ended the first half holes, one end, the other end is provided with ignition hydraulic interface.
The outside of described bearing ring have be connected with second of detonator that internal thread matches the 3rd connect external screw thread, there is the second through hole inside;
Described the 3rd sealing ring and the 3rd back-up ring are arranged on detonator and detonate between tail, are used for the gap that seals detonator and detonate between tail;
Described the first through hole, the second through hole and the first half holes are communicated with, the common space of detonating forming after improving.
The material of the rupture diaphragm of the described parts that break is metal or pressure-bearing macromolecular material.
There is the first connection external screw thread outside one end of described releasing parts, there is the inside of first externally threaded one end of connection to have the open-ended Free up Memory in one end, in circle wall, have one end to be communicated with the radially release aperture of the circle distribution that the other end is in communication with the outside with Free up Memory.
The circumferencial direction of described piston cutter coordinates with the inner ring of detonator by the second sealing ring and the second back-up ring.
The described device that draws out methane is to be located at the gas drainage pipeline of boring and the gas suction pump being connected with gas drainage pipeline.
The described carbon dioxide checkout gear that shatters is fiber grating shock sensor or piezoelectric transducer.
Carbon dioxide shatter device and assemble method, as follows:
1. by the rupture diaphragm of the parts that break, piston cutter, endless knife, the second sealing ring and the second back-up ring clean up;
2. the second sealing ring and the second back-up ring pack in the groove of piston cutter in order, and piston cutter pushes in first through hole of detonator of the parts that detonate together with the second sealing ring and the second back-up ring;
3. rupture diaphragm and endless knife are placed on the shoulder of detonator according to rupture diaphragm order formerly;
4. connect in the first connection internal thread of the detonator that screws into the parts that detonate first of releasing parts, the shoulder of the detonator of the endless knife of the parts that break, rupture diaphragm and the parts that detonate is pressed together closely;
5. after separator piston body, the first sealing ring, the first back-up ring and perfusion plug screw being cleaned up, be assembled into isolated part;
6. isolated part is pushed first through hole of detonator of the parts that detonate from second connection internal thread one end of the detonator of the parts that detonate, screw in the bearing ring of the parts that detonate, screw in the tail that detonates of the parts that detonate.
In assembling process, before screw-in detonates the tail that detonates of parts, make to pour into interface and carbon dioxide source conducting, unclamp perfusion plug screw, liquid carbon dioxide injects blast space.After injecting enough liquid carbon dioxides, screw perfusion plug screw and close perfusion interface, the space that makes to explode is isolated from the outside.Carbon dioxide shatters, and device liquid carbon dioxide is filling to be completed.
The implementation method of system is as follows:
1. in coal seam, bore 3 holes; The degree of depth in hole is 20m---80m;
2. the pipeline of igniting hydraulic interface and hydraulic power source is connected, the device that then carbon dioxide shattered is sent in first boring;
3. connect gas suction pump at the end in second hole;
4. in the 3rd hole, place viberation detector;
5. the opening device of hydraulic power source, gas suction pump, viberation detector are connected with a controller;
When work, by controller primer fluid potential source, the working media of hydraulic power source is entered continuously and is ignited space by pipeline and ignition hydraulic interface, the working media pressure of igniting in space increases, promote isolated part to blast space one side shifting, the liquid carbon dioxide pressure setting off an explosion in space increases, the end thrust that is distributed in the piston cutter end of the parts that break increases, the shearing force of rupture diaphragm is increased, and be provided with endless knife at opposite side, produce the shearing force identical with the shearing force direction of rupture diaphragm; The intensity producing when both shearing force sums is while being greater than the shear strength of rupture diaphragm, rupture diaphragm is broken, liquid carbon dioxide enters the Free up Memory of releasing parts, and undergoes phase transition rapidly and form gaseous carbon dioxide and discharge to the external world by release aperture radially, produces blast; Whether viberation detector shatters for detection of the carbon dioxide device that shatters, if do not shattered, from new unlatching hydraulic power source; If shattered, open gas suction pump.
The present invention compared with prior art has significant advantage:
1. carbon dioxide device, the device that draws out methane, the carbon dioxide checkout gear that shatters that shatters has been formed a new system by the present invention; Having realized coal seam by a controller shatters and automatically controls.
1, the improved carbon dioxide device that shatters adopts hydraulic energy to detonate, and fills up the carbon dioxide device hydraulic energy blank of detonating that shatters.
2, improved carbon dioxide shatter device adopt hydraulic energy detonate, under the contour explosive gas atmosphere in colliery use safer.
3, improved carbon dioxide shatter device adopt hydraulic energy detonate, use more simple and easy to do.
4. by piston cutter and endless knife being set in the both sides of rupture diaphragm, increase the shearing force of rupture diaphragm, accelerated the detonation velocity of rupture diaphragm.
Brief description of the drawings
Fig. 1: the shatter structural representation of embodiment mono-of device of improved carbon dioxide of the present invention.
The structural representation of the releasing parts of Fig. 2: Fig. 1.
The structural representation of the parts that break of Fig. 3: Fig. 1.
The structural representation of the parts that detonate of Fig. 4: Fig. 1.
The structural representation of the isolated part of Fig. 5: Fig. 1.
The structural representation that detonate parts and the isolated part of Fig. 6: Fig. 1 fits together.
Fig. 7: the shatter structural representation of embodiment bis-of device of improved carbon dioxide of the present invention.
The structural representation of the parts that break of Fig. 8: Fig. 7.
The structural representation of the parts that detonate of Fig. 9: Fig. 7.
The structural representation of the isolated part 4 of Figure 10: Fig. 7.
A part for the releasing parts of Figure 11: Fig. 7, the parts that break, the parts that detonate and isolated part fit together the structural representation of preparing filling carbon dioxide;
The overall structure figure of Figure 12 system.
In figure: 1-releasing parts, 2-parts break, 3-parts detonate, 4-isolated part, 5-the first connects external screw thread, 6-Free up Memory, 7-radially release aperture, 8-rupture diaphragm, 9-seal washer, 10-the first connects internal thread, 11-the space of detonating, 12-ignition hydraulic interface, 13-perfusion plug screw, 14-perfusion interface, 15-shoulder, 16-separator piston, the 17-the first sealing ring, the 18-the first back-up ring, 19-blast space, 20-ignition space, 21-piston cutter, 22-endless knife, 23-sealing ring, the 24-the second back-up ring, 25-detonator, 26-tail detonates, 27-bearing ring, the 28-the three sealing ring, the 29-the three back-up ring, 30-the second connects internal thread, the 31-the first through hole, 32-the second connects external screw thread, the 33-the first half hole, 34-the three connects external screw thread, the 35-the second through hole, 36-separator piston body, 37-major diameter cylinder, 38-minor diameter cylinder, the 39-the second half hole, 40-screwed hole, 41-coal seam, 42-carbon dioxide device that shatters, the 43-the second boring, the 44-checkout gear that shatters, 45-controller, 46-gas drainage pipeline, 47-gas suction pump, the 48-the first boring, the 49-the three boring.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail:
The system of entirety as shown in figure 12, for the system that shatters of the coal seam under mine, comprise the carbon dioxide of being located in mine device 42, the pipeline 46 that draws out methane, the carbon dioxide checkout gear 44 that shatters that shatters, described carbon dioxide shatter checkout gear, carbon dioxide shatter device, the device that draws out methane, be all connected with a controller 45.
Specific implementation process is as follows:
1. in coal seam 41, bore 3 holes; The degree of depth in hole is 20m---80m;
2. the pipeline of igniting hydraulic interface and hydraulic power source is connected, the device that then carbon dioxide shattered is sent in first boring 48;
3. at the placement gas drainage pipeline 46 of second boring 43, connect gas suction pump 47 at the end of pipeline;
4. in the 3rd boring 49, place viberation detector;
5. the opening device of hydraulic power source, gas suction pump, viberation detector are connected with a controller 45.
The carbon dioxide apparatus structure one that shatters:
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 illustrate shatter the first structure of device of improved carbon dioxide of the present invention.The improved carbon dioxide of this structure device that shatters, comprises releasing parts 1, the parts 2 that break, and parts 3 and isolated part 4 detonate.Fig. 1 is the shatter structural representation of device of the improved carbon dioxide of this structure, Fig. 2 is the structural representation of releasing parts 1, Fig. 3 is the structural representation of parts 2 of breaking, Fig. 4 is the structural representation of parts 3 of detonating, Fig. 5 is the structural representation of isolated part 4, and Fig. 6 is the structural representation that isolated part 4 packs the parts 3 that detonate into.
Fig. 2 is the structure of releasing parts 1.There is the first connection external screw thread 5 outside one end of the releasing parts 1 of this structure, there is the inside of one end of the first connection external screw thread 5 to have the open-ended Free up Memory 6 in one end, in circle wall, have one end to be communicated with the radially release aperture 7 of the circle distribution that the other end is in communication with the outside with Free up Memory 6.
Fig. 3 is the structure of parts 2 of breaking.The parts 2 that break of this structure comprise rupture diaphragm 8 and seal washer 9.
Fig. 4 is the structure of parts 3 of detonating.There is the first connection internal thread 10 one end of the inside of the parts 3 that detonate of this structure, there is the inside of one end of the first connection internal thread 10 to have the open-ended space 11 of detonating, one end, the other end has the hydraulic interface 12 of ignition, have in the circle wall of one end of the first connection internal thread 10, have one end be communicated with the other end with the space 11 of detonating by pouring into, perfusion interface 14, the first that plug screw 13 seals connects the bottom of internal threads 10 and space 11 intersections that detonate have shoulder 15.
Fig. 5 is the structure of isolated part 4.The isolated part 4 of this structure comprises separator piston 16, the first sealing rings 17 and the first back-up ring 18.
Fig. 6 is the structure that parts 3 and isolated part 4 fit together of detonating.Isolated part 4 is separated into blast space 19 by the space 11 of detonating of the parts 3 that detonate and ignites the part of 20 two isolation in space.
Fig. 1 is the improved carbon dioxide of the present invention structure that device assembled that shatters.After being cleaned up, separator piston 15, the first sealing ring 16 and the first back-up ring 17 be assembled into isolated part 4.Isolated part 4 is pushed to detonating in space 11 of the parts 3 that detonate, and push to bottom, the space 11 of detonating is separated into the part of blast space 19 and ignition 20 two isolation in space.The parts 2 that break that rupture diaphragm 8 and seal washer 9 are formed, are placed on the shoulder 15 of bottom that first of the parts 3 that detonate connect internal thread 10 according to seal washer 9 order formerly.The first connection external screw thread 5 of releasing parts 1 is screwed in to first of the parts 3 that detonate and connect in internal thread 10, the shoulder 15 of the rupture diaphragm 8 of the parts 2 that break, seal washer 9 and the parts 3 that detonate is pressed together closely, realize sealing.The improved carbon dioxide of the present invention device that shatters has been assembled.
Making to pour into plug screw 13 is communicated with carbon dioxide source.Unclamp perfusion plug screw 13, make to pour into interface 14 and carbon dioxide source conducting, liquid carbon dioxide injects blast space 19.After injecting enough liquid carbon dioxides, screw perfusion plug screw 13 sealing perfusion interfaces 14, the space 19 that makes to explode is isolated from the outside.Carbon dioxide shatters, and device liquid carbon dioxide is filling to be completed.
Connect with the pipeline of hydraulic power source igniting hydraulic interface 12, the device that then carbon dioxide shattered is sent into etc. in boring to be blasted.Primer fluid potential source, the working media of hydraulic power source is entered continuously and is ignited space 20 by pipeline and ignition hydraulic interface 12, the working media pressure of igniting in space 20 increases, promote isolated part 4 to blast space 19 1 side shiftings, the liquid carbon dioxide pressure setting off an explosion in space 19 increases, the end thrust being distributed on the rupture diaphragm 8 of the parts 2 that break increases, and the shearing force that rupture diaphragm 8 is subject at Free up Memory 6 opening parts increases.When the shearing force being subject at Free up Memory 6 opening parts when rupture diaphragm 8 is greater than its shear strength, rupture diaphragm 8 breaks at Free up Memory 6 opening parts, liquid carbon dioxide enters the Free up Memory 6 of releasing parts 1, and undergoing phase transition rapidly formation gaseous carbon dioxide by radially release aperture 7 is to external world's release, generation is exploded.Boring is carried out to explosion.
The improved carbon dioxide device that shatters adopts hydraulic energy to detonate, and fills up the carbon dioxide device hydraulic energy blank of detonating that shatters.Improved carbon dioxide shatter device adopt hydraulic energy detonate, under the contour explosive gas atmosphere in colliery use safer.Improved carbon dioxide shatter device adopt hydraulic energy detonate, use more simple and easy to do.
The carbon dioxide apparatus structure two that shatters:
Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11 illustrate shatter the second structure of device of improved carbon dioxide of the present invention.The improved carbon dioxide of this structure shatter device be on the basis of embodiment mono-improve form, comprise equally releasing parts 1, the parts 2 that break, parts 3 and isolated part 4 detonate.For the consideration to aspects such as performance, manufacture, assemblings, to breaking parts 2, detonate parts 3 and isolated part 4 have carried out correspondingly changing.Fig. 7 is the shatter structural representation of device of the improved carbon dioxide of this structure, Fig. 8 is the structural representation of parts 2 of breaking, Fig. 9 is the structural representation of parts 3 of detonating, Figure 10 is the structural representation of isolated part 4, Figure 11 is releasing parts 1, the parts 2 that break, a part for the parts 3 that detonate and isolated part 4 fit together the structural representation of preparing filling carbon dioxide.
The structure of releasing parts 1 is identical with embodiment mono-.
Fig. 8 is the structure of the parts 2 that break after improving.The parts 2 that break of this structure comprise rupture diaphragm 8, piston cutter 21, and endless knife 22, the second sealing ring 23 and the second back-up ring 24, removed seal washer 9.Rupture diaphragm 8 is identical with embodiment mono-.Rupture diaphragm 8, piston cutter 21, endless knife 22, the second sealing ring 23 and the common parts 2 that break that form after improving of the second back-up ring 24.
Fig. 9 is the structure of the parts 3 that detonate after improving.The parts 3 that detonate of this structure comprise detonator 25, the tail 26 that detonates, bearing ring 27, the 3rd sealing ring 28 and the 3rd back-up ring 29, have removed perfusion plug screw 13 and perfusion interface 14.
There is the first connection internal thread 10 identical with embodiment mono-one end of the inside of detonator 25, the inner other end has the second connection internal thread 30, bottom and the first through hole 31 intersections that inner centre has the first through hole 31, the first to connect internal thread 10 have the shoulder identical with embodiment mono-15.
There is the second connection external screw thread 32 detonate one end of tail 26 outsides, has the inside of one end of the second connection external screw thread 32 to have open-ended the first half holes 33, one end, and the other end is identical with embodiment mono-hydraulic interface 12 of ignition.
The outside of bearing ring 27 has the 3rd to connect external screw thread 34, and there is the second through hole 35 inside.
First screw in second of detonator 25 with the 3rd connection external screw thread 34 of bearing ring 27 and connect internal thread 30, and revolve deliver to bottom, then screw in second of detonator 25 with the second connection external screw thread 32 of the tail 26 that detonates and connect internal thread 30, compress bearing ring 27, the 3rd sealing ring 28 and the 3rd back-up ring 29 are arranged on detonator 25 and detonate between tail 26, are used for the gap that seals detonator 25 and detonate between tail 26.
Figure 10 is the structure of the isolated part 4 after improving.The isolated part 4 of this structure comprises with the separator piston 16 of embodiment mono-and acts on identical separator piston body 36, and acts on identical perfusion plug screw 13, perfusion interface 14, the first sealing ring 17 and the first back-up ring 18 with embodiment mono-.
Perfusion plug screw 13 screws in screwed hole 40.
Figure 11 is releasing parts 1, the parts 2 that break, and a part for the parts 3 that detonate and isolated part 4 fit together the structure of preparing filling carbon dioxide.
Fig. 7 is the improved carbon dioxide of the present invention structure that device assembled that shatters.By the rupture diaphragm 8 of the parts 2 that break, piston cutter 21, endless knife 22, the second sealing ring 23 and the second back-up ring 24 clean up, the second sealing ring 23 and the second back-up ring 24 pack in the groove of piston cutter 21 in order, piston cutter 21 pushes in first through hole 31 of detonator 25 of the parts 3 that detonate together with the second sealing ring 23 and the second back-up ring 24, and rupture diaphragm 8 and endless knife 22 are placed on the shoulder 15 of detonator 25 according to rupture diaphragm 8 order formerly.The first connection external screw thread 5 of releasing parts 1 is screwed in the first connection internal thread 10 of detonator 25 of the parts 3 that detonate, the shoulder 15 of the detonator 25 of the endless knife 22 of the parts 2 that break, rupture diaphragm 8 and the parts 3 that detonate is pressed together closely.
After being cleaned up, separator piston body 36, the first sealing ring 16, the first back-up ring 17 and perfusion plug screw 13 be assembled into isolated part 4.Isolated part 4 is pushed first through hole 31 of detonator 25 of the parts 3 that detonate from second connection internal thread 30 one end of the detonator 25 of the parts 3 that detonate, the detonate bearing ring 27 of parts 3 of screw-in, the detonate tail 26 that detonates of parts 3 of screw-in, the improved carbon dioxide of the present invention device that shatters has been assembled.
In assembling process, before screw-in detonates the tail 26 that detonates of parts 3, make to pour into interface 14 and carbon dioxide source conducting, unclamp perfusion plug screw 13, liquid carbon dioxide injects blast space 19.After injecting enough liquid carbon dioxides, screw perfusion plug screw 13 and close perfusion interface 14, the space 19 that makes to explode is isolated from the outside.Carbon dioxide shatters, and device liquid carbon dioxide is filling to be completed.
Connect with the pipeline of hydraulic power source igniting hydraulic interface 12, the device that then carbon dioxide shattered is sent into etc. in boring to be blasted.Primer fluid potential source, the working media of hydraulic power source is entered continuously and is ignited space 20 by pipeline and ignition hydraulic interface 12, the working media pressure of igniting in space 20 increases, promote isolated part 4 to blast space 19 1 side shiftings, the liquid carbon dioxide pressure setting off an explosion in space 19 increases, the end thrust that is distributed in piston cutter 21 ends of the parts 2 that break increases, and the shearing force of rupture diaphragm 8 is increased.In the time that the intensity of shearing force generation is greater than the shear strength of rupture diaphragm 8, rupture diaphragm 8 is broken, and liquid carbon dioxide enters the Free up Memory 6 of releasing parts 1, and undergoes phase transition rapidly formation gaseous carbon dioxide by radially release aperture 7 is to external world's release, and generation is exploded.Boring is carried out to explosion.
The improved carbon dioxide device that shatters adopts hydraulic energy to detonate, and fills up the carbon dioxide device hydraulic energy blank of detonating that shatters.Improved carbon dioxide shatter device adopt hydraulic energy detonate, under the contour explosive gas atmosphere in colliery use safer.Improved carbon dioxide shatter device adopt hydraulic energy detonate, use more simple and easy to do.
Claims (10)
1. one kind for the system that shatters of the coal seam under mine, it is characterized in that: comprise the carbon dioxide of being located in mine device, the device that draws out methane, the carbon dioxide checkout gear that shatters that shatters, described carbon dioxide the shatter device, the device that draws out methane of checkout gear, carbon dioxide that shatter is all connected with a control device; The described carbon dioxide device that shatters comprises the releasing parts fitting together successively, and parts and the parts that detonate break; One end opening of described releasing parts and inwardly form Free up Memory, has one end to be communicated with the radially release aperture that the other end is in communication with the outside with Free up Memory in the circle wall of releasing parts; The openend of described releasing parts is provided with the parts that break with the parts place of matching of detonating; The described parts that detonate are provided with the ignition hydraulic interface being connected with hydraulic power source; The described parts that break comprise rupture diaphragm, are provided with at least one side of described rupture diaphragm the cutter that shearing force is provided.
2. as claimed in claim 1 for the system that shatters of the coal seam under mine, it is characterized in that: described carbon dioxide device, the device that draws out methane, the carbon dioxide checkout gear that shatters that shatters is located in the boring in coal seam separately.
3. as claimed in claim 1 for the system that shatters of the coal seam under mine, it is characterized in that: in the described parts that detonate, be provided with its space is divided into pressurized space and the isolated part in the space of exerting pressure, and the described parts that detonate are provided with the ignition hydraulic interface communicating with the space of exerting pressure.
4. as claimed in claim 1 for the system that shatters of the coal seam under mine, it is characterized in that: described isolated part is provided with the carbon dioxide perfusion interface being integrated with it and communicate with pressurized space; And the axial direction of isolated part has and the hole of pouring into plug screw and working in coordination mutually.
5. as claimed in claim 5 for the system that shatters of the coal seam under mine, it is characterized in that: the described parts that detonate comprise the detonator matching with releasing parts in end, the afterbody of detonator is sealed and matched with the tail that detonates, and in the cavity of detonator and the urogenesis of detonating, is provided with isolated part.
6. as claimed in claim 5 for the system that shatters of the coal seam under mine, it is characterized in that: described isolated part is separator piston body, described separator piston body comprises the major diameter cylinder and the minor diameter cylinder that are mutually integrated, there is one end of major diameter cylinder, its inside is provided with open-ended straight hole, have the inside of minor diameter cylinder one end to be provided with and the screwed hole that pours into plug screw and match, described straight hole and screwed hole connect; Perfusion interface is positioned on the sidewall of minor diameter cylinder one end, and one end is communicated with screwed hole, and the other end is in communication with the outside.
7. as claimed in claim 1 for the system that shatters of the coal seam under mine, it is characterized in that: the described device that draws out methane is the gas drainage pipeline and the gas suction pump being connected with gas drainage pipeline of being located at boring end.
8. as claimed in claim 1 for the system that shatters of the coal seam under mine, it is characterized in that: the described carbon dioxide checkout gear that shatters is fiber grating shock sensor or piezoelectric transducer.
9. as claimed in claim 1ly it is characterized in that for the shatter implementation method of system of the coal seam under mine, as follows:
Step 1. is bored 3 holes in coal seam;
Step 2. is connected the pipeline of igniting hydraulic interface and hydraulic power source, and the device that then carbon dioxide shattered is sent in first boring;
Step 3. connects gas suction pump at the end in second hole;
Step 4. is placed viberation detector in the 3rd hole;
Step 5. is connected the opening device of hydraulic power source, gas suction pump, viberation detector with a controller.
10. as claimed in claim 9ly it is characterized in that for the shatter implementation method of system of the coal seam under mine, as follows:
When work, by controller primer fluid potential source, the working media of hydraulic power source is entered continuously and is ignited space by pipeline and ignition hydraulic interface, the working media pressure of igniting in space increases, promote isolated part to blast space one side shifting, the liquid carbon dioxide pressure setting off an explosion in space increases, the end thrust that is distributed in the piston cutter end of the parts that break increases, the shearing force of rupture diaphragm is increased, and be provided with endless knife at opposite side, produce the shearing force identical with the shearing force direction of rupture diaphragm; The intensity producing when both shearing force sums is while being greater than the shear strength of rupture diaphragm, rupture diaphragm is broken, liquid carbon dioxide enters the Free up Memory of releasing parts, and concurrent looks is deformed into gaseous carbon dioxide and discharges to the external world by release aperture radially, produces blast; Whether viberation detector shatters for detection of the carbon dioxide device that shatters, if do not shattered, from new unlatching hydraulic power source; If shattered, open gas suction pump.
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| CN201410145331.4A CN103899310B (en) | 2014-04-11 | 2014-04-11 | A kind ofly to shatter system and method for the coal seam under mine |
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| CN201410145331.4A CN103899310B (en) | 2014-04-11 | 2014-04-11 | A kind ofly to shatter system and method for the coal seam under mine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593443A (en) * | 2017-02-20 | 2017-04-26 | 山东山矿测控技术有限公司 | Carbon dioxide blasting structure and method used for mines, or rock or coal rock |
| CN113279756A (en) * | 2021-05-19 | 2021-08-20 | 吕梁学院 | Carbon dioxide phase change fracturing permeability increasing system of immobile pipe column and control method thereof |
| CN113310358A (en) * | 2021-06-28 | 2021-08-27 | 中国化学工程重型机械化有限公司 | Reusable liquid carbon dioxide cracking tube filled in hole |
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| CN106593443A (en) * | 2017-02-20 | 2017-04-26 | 山东山矿测控技术有限公司 | Carbon dioxide blasting structure and method used for mines, or rock or coal rock |
| CN113279756A (en) * | 2021-05-19 | 2021-08-20 | 吕梁学院 | Carbon dioxide phase change fracturing permeability increasing system of immobile pipe column and control method thereof |
| CN113310358A (en) * | 2021-06-28 | 2021-08-27 | 中国化学工程重型机械化有限公司 | Reusable liquid carbon dioxide cracking tube filled in hole |
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|---|---|
| CN103899310B (en) | 2016-02-10 |
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