CN104949592B - For spraying the injection adhesion-promoting device of the mixed loading emulsion explosive - Google Patents
For spraying the injection adhesion-promoting device of the mixed loading emulsion explosive Download PDFInfo
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- CN104949592B CN104949592B CN201510143584.2A CN201510143584A CN104949592B CN 104949592 B CN104949592 B CN 104949592B CN 201510143584 A CN201510143584 A CN 201510143584A CN 104949592 B CN104949592 B CN 104949592B
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Abstract
The present invention relates to Underground charging vehicle injection apparatus technical field, disclose a kind of injection adhesion-promoting device for spraying the mixed loading emulsion explosive, it includes body, by the first extension in order to accommodating priming bomb formed that stretches out along its central shaft on the first end of body, by second extension relative to that formed and that the there is connection static mixer passage that stretches out along its central shaft on the second end of its first end of body, and run through multiple spray-holes of the first end and the second end, each spray-hole is communicated in the passage of the second extension, and the aperture of spray-hole is less than the width of passage.Emulsion matrix is carried out jet by its spray-hole by the injection adhesion-promoting device that the embodiment of the present invention proposes, effectively improve the molecular structure of this emulsion matrix, thus substantially increasing its viscosity, simultaneously, also improve flow velocity during its entrance big gun hole, thus increase the adhesive force of itself and big gun hole inwall, it is to avoid occur medicine and roll-off, and then improve demolition effect.
Description
Technical field
The present invention relates to Underground charging vehicle injection apparatus technical field, particularly relate to a kind of injection adhesion-promoting device for spraying the mixed loading emulsion explosive.
Background technology
Explosion be utilize explosive produced compression of blast in empty gas and water, soil stone medium or object, loosen, destroy, throwing and lethal effect, a special kind of skill accomplished the end in view.In mine operation, explosion is requisite link.At present, domestic minority underground mine adopts Underground charging vehicle to carry out on-site mixed explosive filling operation, but the emulsion matrix viscosity of pumping is high, pumping pressure is big, and emulsion matrix mixes only by simple static mixer before entering big gun hole, and the viscosity entering the emulsion matrix in big gun hole changes little before and after entrance big gun hole, so, emulsion matrix is inadequate with the adhesive force in big gun hole, it is easy to occur medicine and overall roll-off, thus have impact on demolition effect.
Summary of the invention
It is an object of the invention to provide a kind of injection adhesion-promoting device for spraying the mixed loading emulsion explosive, aim to solve the problem that in prior art, at the scene during mixed explosive filling operation, emulsion matrix is entering before and after big gun hole because viscosity B coefficent not quite causes the problem inadequate with big gun hole adhesive force.
The invention provides a kind of injection adhesion-promoting device for spraying the mixed loading emulsion explosive, it is connected to the static mixer on Underground charging vehicle, and this injection adhesion-promoting device includes: body；First extension, is stretched out by central shaft along this body on the first end of body and is formed, and this first extension is in order to the priming bomb of accommodating explosion；Second extension, is formed by stretching out along this central shaft on the second end of body, and the second end and the first end are oppositely arranged, and this second extension is in order to connect static mixer, and this second extension has the passage of connection static mixer；Multiple spray-holes, run through the first end and the second end, and each spray-hole is respectively communicated with in the passage of the second extension.
Preferably, described spray-hole is straight hole.
Further, the plurality of spray-hole by described second end towards described first end be diffusion type distribution.
Further, the angular range between axis and the described central shaft of described spray-hole is 10 °～80 °.
Preferably, the center of described second end stretches out along described central shaft and is formed with cone, and described cone stretches in described passage.
Preferably, described cone is cone.
Preferably, described second extension is cylindrical, and has the screw thread for the described static mixer that is connected on described second extension.
Preferably, described body is column.
Preferably, described first extension is cylindrical, and it has the installation position in order to accommodating described priming bomb, and described first extension is further opened with open slot, and described open slot connects described installation position.
Preferably, described injection adhesion-promoting device is formed in one structure.
nullBased on technique scheme，The embodiment of the present invention by being respectively provided with the first extension in order to accommodating priming bomb and in order to connect and to connect the second extension of static mixer at the two ends of body，And on this body, offer the spray-hole of multiple passage being communicated in the second extension，And the aperture of this spray-hole is less than the width of passage，So，When the emulsion matrix that pumping is next enters the passage of the second extension after static mixer，Then it is injected in big gun hole through multiple spray-holes，Here，The emulsion matrix that pumping comes can improve its molecular structure by spray-hole high-speed jet，Its viscosity is multiplied，Simultaneously，Owing to the aperture of spray-hole is less than the width of the passage of the second extension，The flow velocity making this emulsion matrix is promoted at double before entering big gun hole，Thus increasing the adhesive force of emulsion matrix and big gun hole inwall，Avoid emulsion matrix and occur medicine and overall roll-off，And then improve demolition effect.
Accompanying drawing explanation
Fig. 1 is the schematic side view of the injection adhesion-promoting device in the embodiment of the present invention；
Fig. 2 is generalized section tangential for A-A in Fig. 1.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with specific embodiment, the realization of the present invention is described in detail.
As shown in Figure 1 to Figure 2, the embodiment of the present invention proposes a kind of injection adhesion-promoting device for spraying the mixed loading emulsion explosive, and this injection adhesion-promoting device is connected to the static mixer (attached not shown in FIG.) on Underground charging vehicle.Emulsion matrix powder charge pipe on Underground charging vehicle is delivered to static mixer and mixes, and then, mixed emulsion matrix is injected in big gun hole through injection adhesion-promoting device under the effect of discharge pressure.
Above-mentioned injection adhesion-promoting device includes body the 1, first extension 2 and the second extension 3, wherein, for the first extension 2, it is in order to house the priming bomb (attached not shown in FIG.) for explosion, this first extension 2 is arranged on the first end of body 1, and specifically, this first extension 2 is stretched out by central shaft 10 along this body 1 on the first end of body 1 and formed, herein, the first end refers to the left end of this body 1；For the second extension 3, it is in order to connect and to connect static mixer, this second extension 3 is arranged on the second end of body 1, and specifically, this second extension 3 is stretched out by central shaft 10 along this body 1 on the second end of body 1 and formed, herein, second end and the first end are oppositely arranged, and namely the second end herein refers to the right-hand member of this body 1, and, having the passage 31 that the central shaft 10 along this body 1 is distributed on second extension 3, this passage 31 is connected with static mixer by outer tube；Additionally, body 1 is further opened with multiple spray-hole 12, herein, each spray-hole 12 all runs through the two ends of this body 1, and namely each spray-hole 12 all runs through the first end and second end of this body 1, and, one end of close body 1 second end of each spray-hole 12 is all communicated in the passage 31 of the second extension 3, and herein, the aperture of spray-hole 12 is less than the width of passage 31, so, emulsion matrix enters spray-hole 12 high-speed jet under discharge pressure effect after passage 31.
Adopt the above-mentioned injection adhesion-promoting device for spraying the mixed loading emulsion explosive, have a characteristic that
nullThe embodiment of the present invention by being respectively provided with the first extension 2 in order to accommodating priming bomb and in order to connect and to connect the second extension 3 of static mixer at body 1 two ends，And on this body 1, offer the spray-hole 12 of multiple passage 31 being communicated in the second extension 3，And the aperture of this spray-hole 12 is less than the width of passage 31，So，When the emulsion matrix of pumping enters the passage 31 of the second extension 3 after static mixer，Then it is injected in big gun hole through multiple spray-holes 12，So，High-speed jet is formed when the emulsion matrix that pumping comes is by spray-hole 12，Thus improving the molecular structure of this emulsion matrix，The viscosity making this emulsion matrix increases，Simultaneously，Owing to the aperture of spray-hole 12 is less than the width of the passage 31 of the second extension 3，The flow velocity so making emulsion matrix gets a promotion before entering big gun hole，Thus increasing the adhesive force of emulsion matrix and big gun hole inwall，Avoid emulsion matrix and occur medicine and overall roll-off，And then improve demolition effect.
In embodiments of the present invention, above-mentioned spray-hole 12 is preferably straight hole.Compared with curved slot, spray-hole 12 is preferably straight hole, it is possible to flow velocity when making emulsion matrix pass through spray-hole 12 is faster such that it is able to is effectively improved the molecular structure of emulsion matrix, and then improves the viscosity of this emulsion matrix.Certainly, according to practical situation and demand, in other embodiments of the invention, above-mentioned spray-hole 12 can also be other shape holes.
In embodiments of the present invention, above-mentioned multiple spray-holes 12 are the distribution in diffusion type in above-mentioned body 1, specifically, multiple spray-holes 12 are evenly around around body 1 central shaft 10, and these spray-holes 12 by body 1 the second end towards the first end be diffusion type distribution, namely by body 1 right-hand member towards left end be diffusion type be distributed.So, the emulsion matrix that pumping comes enters the passage 31 of the second extension 3 after static mixer mixes, then through the injection in diffusion type of multiple spray-holes 12, the emulsion matrix ejected contacts big gun hole inwall at first, then accumulation and then the full big gun hole of filling, be so effectively guaranteed emulsion matrix and stick with big gun hole inwall.Certainly, according to practical situation and demand, in other embodiments of the invention, above-mentioned multiple spray-holes 12 can also be other formal distributions in above-mentioned body 1, does not do unique restriction herein.
In embodiments of the present invention, the angle α between axis 120 and the central shaft 10 of above-mentioned body 1 of above-mentioned each spray-hole 12 ranges for 10 °～80 °, and herein, between each spray-hole 12 axis 120 and body 1 central shaft 10, angle α is preferably 25 °～40 °.By the angle α between the axis 120 of spray-hole 12 and the central shaft 10 of above-mentioned body 1 is preferably 25 °～40 °, make the emulsion matrix ejected can better contact with big gun hole inwall, then accumulate again and then fill full big gun hole, by α being preferably 25 °～40 °, it is ensured that emulsion matrix effectively sticks with big gun hole inwall.Certainly, according to practical situation and demand, in other embodiments of the invention, the angle α between axis 120 and the central shaft 10 of body 1 of above-mentioned each spray-hole 12 can also be other angles.
In embodiments of the present invention, second end of above-mentioned body 1 is provided with cone 11, namely body 1 right-hand member is provided with cone 11, specifically, this cone 11 is stretched out along its central shaft 10 by the center of body 1 right-hand member and is formed, and, the tip of this cone 11 is stretched in the passage 31 of the second extension 3, herein, cone 11 is coaxial with body 1, both have common central shaft 10, simultaneously, above-mentioned spray-hole 12 connects with the surface of this cone 11 near the side inwall of central shaft 10 and forms smooth surface, so, emulsion matrix in passage 31 is tapped by cone 11, and respectively enter each spray-hole 12 along the surface of cone 11.By arranging cone 11 at the second end of above-mentioned body 1, and the surface making cone 11 connects with spray-hole 12 interior walls be smooth, make emulsion matrix can fast and effeciently enter spray-hole 12 and form jet, simultaneously, the aperture of spray-hole 12, less than the width of the passage 31 of the second extension 3, thus greatly increases the flow velocity of emulsion matrix, improves emulsion matrix molecular structure and improves effect, further increase the viscosity of emulsion matrix, and then improve the adhesive force of itself and big gun hole inwall.Certainly, according to practical situation and demand, in other embodiments of the invention, it is also possible to take other measures to improve its viscosity to promote the flow velocity of emulsion matrix further.
In embodiments of the present invention, above-mentioned cone 11 is preferably cone.By cone 11 is preferably cone so that emulsion matrix enters each spray-hole 12 more swimmingly in the passage 31 of the second extension 3, and then improves emulsion matrix injection flow velocity, improves itself and big gun hole inwall Adhering capacity.Certainly, according to practical situation and demand, in other embodiments of the invention, above-mentioned cone 11 can also be other types cone.
In embodiments of the present invention, above-mentioned second extension 3 is cylindrical, and accordingly, the passage 31 in the second extension 3 is cylindrical hole, and its aperture is more than the aperture of above-mentioned spray-hole 12；Additionally, the outer wall of this second extension 3 has external screw thread 32, accordingly, the outer tube (attached not shown in FIG.) of static mixer has and the female thread of this external screw thread 32 adaptation, so, make the second extension 3 be connected and constitute connection with this outer tube by external screw thread 32 with the cooperation of female thread, and then the second extension 3 is connected with static mixer composition.By arranging female thread and external screw thread so that the second extension 3 can be rapidly formed with the outer tube of static mixer and be connected and connect, and improves efficiency of assembling, improves the convenience of operation.Certainly, according to practical situation and demand, in other embodiments of the invention, above-mentioned second extension 3 can also be other shapes, and this second extension 3 can also take other modes to connect with static mixer.
In embodiments of the present invention, above-mentioned body 1 is preferably column, and namely this body 1 is cylindrical structural.By body 1 is set to cylindrical shape, so can effectively adapt to the cylindrical shape in big gun hole, so be easy in the big gun hole that whole injection adhesion-promoting device stretches into cylinder swimmingly.Certainly, according to practical situation and demand, in other embodiments of the invention, above-mentioned body 1 can also be other shapes, does not do unique restriction herein.
In embodiments of the present invention, above-mentioned first extension 2 is preferably cylindric, and has installation position 21 on this first extension 2, and this installation position 21 is in order to the priming bomb (attached not shown in FIG.) of accommodating explosion, herein, this installation position 21 is distributed along above-mentioned central shaft 10 bearing of trend；Additionally, this first extension 2 is further opened with open slot 20, this open slot 20 is communicated in inside and outside installation position 21, herein, first extension 2 offers two open slots 20, the two open slot 20 is symmetrically distributed in the both sides of central shaft 10, simultaneously, each spray-hole 12 above-mentioned is positioned at the aperture uniform intervals of this body 1 left end around the first extension 2 around, so, the emulsion matrix part ejected through spray-hole 12 is attached on the inwall of big gun hole, a part continues to fill up big gun hole, filling process can enter cladding priming bomb in installation position 21 by the open slot 20 passed on the upside of central shaft 10, also can further pass through the open slot 20 on the downside of central shaft 10 and enter the space continuation filling on the downside of the first extension 2 and between the inwall of big gun hole.By offering installation position 21 on the first extension 2, it is possible to be easy to the location and installation of priming bomb, improve the convenience of filling operation, meanwhile, by offering open slot 20 on the first extension 2, it is simple to emulsion matrix filling in big gun hole, improve filling effect.Certainly, according to practical situation and demand, in other embodiments of the invention, above-mentioned first extension 2 can also be other shapes, and the first extension 2 can also adopt other measures to install priming bomb, the first extension 2 also can adopt other measures to promote the effect in emulsion matrix filling big gun hole simultaneously.
In embodiments of the present invention, above-mentioned injection adhesion-promoting device is formed in one structure, specifically, it is machined out forming above-mentioned body 1 and being positioned at first extension 2 and second extension 3 at its two ends to injection adhesion-promoting device blank, and offer spray-hole 12 on this body 1, first extension 2 is offered open slot 20 and installation position 21, the second extension 3 arranges passage 31 and external screw thread 32, and the position connected with passage 31 on body 1 is processed to form a cone 11.It addition, this injection adhesion-promoting device is nonmetal parts, it is preferably PTFE (Polytetrafluoroethylene, politef) material, it is also possible to for other materials.Certainly, according to practical situation and demand, in other embodiments of the invention, above-mentioned injection adhesion-promoting device is alternatively fabricated structure, does not do unique restriction herein.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (10)
1., for spraying the injection adhesion-promoting device of the mixed loading emulsion explosive, it is connected to the static mixer on Underground charging vehicle, it is characterised in that described injection adhesion-promoting device includes:
Body；
First extension, is formed by stretching out along the central shaft of described body on the first end of described body, and described first extension is in order to the priming bomb of accommodating explosion；
Second extension, formed by the second end of described body stretches out along described central shaft, described second end and described first end are oppositely arranged, and described second extension is in order to connect described static mixer, and described second extension has the passage connecting described static mixer；
Multiple spray-holes, run through described first end and described second end, and each described spray-hole is communicated in the described passage of described second extension, and the aperture of described spray-hole is less than the width of described passage.
2. the injection adhesion-promoting device for spraying the mixed loading emulsion explosive as claimed in claim 1, it is characterised in that described spray-hole is straight hole.
3. the injection adhesion-promoting device for spraying the mixed loading emulsion explosive as claimed in claim 2, it is characterised in that the plurality of spray-hole be that diffusion type is distributed by described second end towards described first end.
4. the injection adhesion-promoting device for spraying the mixed loading emulsion explosive as claimed in claim 3, it is characterised in that the angular range between axis and the described central shaft of described spray-hole is 10 °～80 °.
5. the injection adhesion-promoting device for spraying the mixed loading emulsion explosive as claimed in claim 4, it is characterised in that the center of described second end stretches out along described central shaft and is formed with cone, and described cone stretches in described passage.
6. the injection adhesion-promoting device for spraying the mixed loading emulsion explosive as claimed in claim 5, it is characterised in that described cone is cone.
7. the injection adhesion-promoting device for spraying the mixed loading emulsion explosive as described in any one of claim 1 to 6, it is characterised in that described second extension is cylindrical, and has the screw thread for the described static mixer that is connected on described second extension.
8. the injection adhesion-promoting device for spraying the mixed loading emulsion explosive as claimed in claim 7, it is characterised in that described body is column.
9. the injection adhesion-promoting device for spraying the mixed loading emulsion explosive as claimed in claim 7, it is characterized in that, described first extension is cylindrical, it has the installation position in order to accommodating described priming bomb, described first extension is further opened with open slot, and described open slot connects described installation position.
10. as claimed in claim 8 or 9 for spraying the injection adhesion-promoting device of the mixed loading emulsion explosive, it is characterised in that described injection adhesion-promoting device is formed in one structure.
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| CN201510143584.2A CN104949592B (en) | 2015-03-30 | 2015-03-30 | For spraying the injection adhesion-promoting device of the mixed loading emulsion explosive |
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| CN201510143584.2A CN104949592B (en) | 2015-03-30 | 2015-03-30 | For spraying the injection adhesion-promoting device of the mixed loading emulsion explosive |
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| CN106352748B (en) * | 2016-11-07 | 2018-01-26 | 武汉科技大学 | A kind of pneumatic loading shower nozzle for upper centripetal deep hole |
| WO2023184046A1 (en) * | 2022-03-30 | 2023-10-05 | Enaex Servicios Sa | Loading hose connector and booster for upward shafts in underground mining |
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| CN1219732C (en) * | 2003-05-28 | 2005-09-21 | 倪欧琪 | Sensitizing method of emulsified explosive and gas flow nozzle used |
| JP5614175B2 (en) * | 2010-08-26 | 2014-10-29 | 日油株式会社 | Method and apparatus for loading explosives and contents |
| CN102173967B (en) * | 2011-01-17 | 2012-09-19 | 广东宏大爆破股份有限公司 | Emulsion explosive and preparation method thereof |
| CN102997767B (en) * | 2012-11-22 | 2014-10-29 | 葛洲坝易普力股份有限公司 | Field emulsion explosive mixing and charging system and charging method suitable for underground engineering |
| CN202994001U (en) * | 2012-11-22 | 2013-06-12 | 葛洲坝易普力股份有限公司 | Spraying device for emulsion explosive loading |
| CN104315933B (en) * | 2014-09-26 | 2016-03-23 | 石家庄成功机电有限公司 | The on-the-spot explosive loading truck of intrinsic safety type emulsion |
| CN204555857U (en) * | 2015-03-30 | 2015-08-12 | 深圳市金奥博科技有限公司 | Injection for spraying the mixed loading emulsion explosive increases glutinous device |
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