CN101660889B - Inert gas exploder - Google Patents
Inert gas exploder Download PDFInfo
- Publication number
- CN101660889B CN101660889B CN200910023959A CN200910023959A CN101660889B CN 101660889 B CN101660889 B CN 101660889B CN 200910023959 A CN200910023959 A CN 200910023959A CN 200910023959 A CN200910023959 A CN 200910023959A CN 101660889 B CN101660889 B CN 101660889B
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- Prior art keywords
- power supply
- inert gas
- temperature
- electric heater
- heater unit
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- 239000011261 inert gas Substances 0.000 title claims abstract description 30
- 238000004880 explosion Methods 0.000 claims abstract description 46
- 239000002360 explosive Substances 0.000 abstract description 13
- 239000007789 gas Substances 0.000 abstract description 8
- 239000002817 coal dust Substances 0.000 abstract description 7
- 238000005065 mining Methods 0.000 abstract description 7
- 238000005485 electric heating Methods 0.000 abstract 5
- 238000007789 sealing Methods 0.000 abstract 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000005474 detonation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 8
- 239000003245 coal Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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Abstract
The invention discloses an inert gas exploder which comprises a sealing explosion pot, electric heating devices uniformly distributed on the inner wall of the sealing explosion pot, a control device for controlling the electric heating devices, an inert gas input and output pipeline arranged at the upper part of the sealing explosion pot, a filling valve, a pressure relief valve with automatic relay function and a power supply unit, wherein the filling valve and the pressure relief valve are respectively arranged on the inert gas input and output pipeline; the power supply unit is used for carrying out power supply on the electric heating device and the control device; the control device comprises a temperature sensor, a temperature control circuit and a temperature control switch controlled by the temperature control circuit; the temperature control switch is connected in series with a power supply loop between the electric heating device and the power supply unit; and the power supply loop between the electric heating device and the power supply unit is serially connected with a detonation control switch connected with the temperature control switch in parallel. The invention has the advantages of simple structure, simple and convenient use and operation, high reliability, good use effect and high practical value, and can effectively overcome the defects that the prior mining explosive can possibly ignite gas and coal dust in explosive operation.
Description
Technical field
The invention belongs to the safety protection technique field, especially relate to a kind of inert gas exploder.
Background technology
In progress of coal mining, usually need use special dynamite to carry out explosion at coal-face.Yet the special dynamite explosion time possibly lighted gas and coal dust, threatens coal mine production safety.
What use as permitted explosive for coal mine the earliest is the powdery ammonium nitrate explosive, but explosion accident repeatedly occurs.The eighties in 19th century, France has proposed the commercial explosive of the low quick-fried temperature that the nitro compound of ammonium nitrate and naphthalene forms, and can be used for the colliery, but still the accident appearance is arranged.At present, the main explosion precaution that adopts has following several kinds: the first, in explosive, directly add inertia cooling blast reducer, to reduce the quick-fried temperature of explosive, the induction period of lengthening ignition and blasting; The second, use " by tube " powder charge to improve degree of safety; Three, in the explosive that contains blast reducer, add again " ion-exchange salt pair ", but above-mentioned measure can not fundamentally solve the problem that possibly light gas and coal dust when exploding operation.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art; A kind of inert gas exploder is provided; It is simple in structure, use is easy and simple to handle and reliability is high, result of use is good, practical value is high, can effectively solve existing mining explosive possibly lighted gas and coal dust when the blast operation defective and deficiency.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of inert gas exploder comprises the contained explosion jar of splendid attire blast with inert gas; Evenly be laid in the electric heater unit on the contained explosion jar inwall; Temperature according to the inner inert gas of contained explosion jar is tackled the control device that electric heater unit is controlled mutually; Be installed in the inert gas input and output pipeline on contained explosion jar top; The power supply unit that is installed in filling valve and the pressure-relief valve on the said inert gas input and output pipeline respectively and electric heater unit and control device are supplied power with Automatic Time Lag Function; Said control device comprises temperature sensor that the inner inert gas temperature of contained explosion jar is detected in real time, the temperature-control circuit that joins with temperature sensor and the temperature detect switch (TDS) of being controlled by temperature-control circuit; Temperature-control circuit connects temperature detect switch (TDS), and said temperature detect switch (TDS) is serially connected in the current supply circuit between electric heater unit and power supply unit; Be serially connected with in the current supply circuit between said electric heater unit and power supply unit with temperature detect switch (TDS) mutually and the ignition gauge tap K1 that connects.
Said temperature detect switch (TDS) is the IGBT module; The grid of the said IGBT module of output termination of temperature-control circuit; The positive source of power supply unit connects the colelctor electrode of said IGBT module, and the emitter stage of said IGBT module connects cathode power supply end and the negative power supply end of electric heater unit and the power cathode of power supply unit of electric heater unit.
The grid of the positive source of said ignition gauge tap K1 one termination power supply unit and the said IGBT module of its another termination.
Said ignition gauge tap K1 is installed in and ignites in the control box.
Said electric heater unit and control device are installed as between one and the two and power supply unit and are connected through power line, are connected through power control line between electric heater unit and control device and the ignition control box.
Said temperature sensor is thermocouple R.
The present invention compared with prior art has the following advantages:
1, simple in structure, processing and fabricating convenient and dismantle easy,
2, use is easy and simple to handle, control is convenient, workable and reliability is high, result of use is good, specifically utilizes liquid CO
2Heating vaporization principle is with liquid CO
2Being filled into one is equipped with in the contained explosion jar of filling valve and time-delay pressure-relief valve, through evenly being laid in electric heater unit on the contained explosion jar inwall to the liquid CO in the contained explosion jar
2Continue heating, continue in the heating process liquid CO in its contained explosion jar
2Controllable Temperature, specifically be to reach through control device the contained explosion jar is controlled at safe condition, make the liquid CO that it is inner
2Be unlikely to the explosion accident that meets accident; And when needs are ignited, press ignite gauge tap after, just can blast, specifically be to the liquid CO of can in the contained explosion jar
2Heating also makes its vaporization, the liquid CO after the vaporization
2Gas raises the pressure in the contained explosion jar, can produce blast when reaching explosion limit, thereby the present invention is safe and reliable.
3, practical value is high, in coal mining working face blast operation, when adopting the present invention to carry out explosion; Can not light gas and coal dust; Be particularly useful for middle and high fiery colliery working face blast operation, thereby, can effectively overcome existing mining explosive possibly lighted gas and coal dust when the blast operation defective through behind the alternative permitted explosive (mining explosive) of the present invention; The job safety coefficient is improved greatly, significantly reduce accident rate.
4, applied widely, the present invention can effectively promote be suitable for to other more relevant need the operation field of explosion.
In sum, the present invention is simple in structure, use is easy and simple to handle and reliability is high, result of use is good, practical value is high, can effectively solve existing mining explosive possibly lighted gas and coal dust when the blast operation defective and deficiency.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is an external structure sketch map of the present invention.
Fig. 2 is a circuit block diagram of the present invention.
Fig. 3 is circuit theory diagrams of the present invention.
Description of reference numerals:
1-contained explosion jar; The 2-filling valve; The 3-pressure-relief valve;
The 4-electric heater unit; The 5-control device; The 5-1-temperature sensor;
The 5-2-temperature-control circuit; The 5-3-temperature detect switch (TDS); The 6-power supply unit;
7-ignites control box.
The specific embodiment
Like Fig. 1, shown in Figure 2, the present invention includes splendid attire blast with the contained explosion jar 1 of inert gas, evenly be laid in electric heater unit 4 on contained explosion jar 1 inwall, tackle the control device 5 that electric heater unit 4 controls, the inert gas input and output pipeline that is installed in contained explosion jar 1 top mutually, be installed in the filling valve 2 on the said inert gas input and output pipeline and have the pressure-relief valve 3 of Automatic Time Lag Function and the power supply unit 6 that electric heater unit 4 and control device 5 are supplied power respectively according to the temperature of contained explosion jar 1 inner inert gas.Said control device 5 comprises temperature sensor 5-1 that contained explosion jar 1 inner inert gas temperature is detected in real time, the temperature-control circuit 5-2 that joins with temperature sensor 5-1 and the temperature detect switch (TDS) 5-3 that is controlled by temperature-control circuit 5-2; Temperature-control circuit 5-2 meets temperature detect switch (TDS) 5-3, and said temperature detect switch (TDS) 5-3 is serially connected in the current supply circuit of 6 of electric heater unit 4 and power supply units.Be serially connected with in the current supply circuit of said electric heater unit 4 and 6 of power supply units with temperature detect switch (TDS) 5-3 mutually and the ignition gauge tap K1 that connects.In the present embodiment, the said contained explosion jar 1 inner inert gas of packing into is liquid CO
2Said filling valve 2 is installed in contained explosion jar 1 top with the pressure-relief valve 3 with Automatic Time Lag Function.
In conjunction with Fig. 3; In the present embodiment; Said temperature detect switch (TDS) 5-3 is the IGBT module; The grid of the said IGBT module of output termination of temperature-control circuit 5-2, the positive source of power supply unit 6 connects the colelctor electrode of said IGBT module, and the emitter stage of said IGBT module connects cathode power supply end and the negative power supply end of electric heater unit 4 and the power cathode of power supply unit 6 that electric heater unit 4 is Rz.Said ignition gauge tap K1 is installed in and ignites in the control box 7; And the grid of the positive source of said ignition gauge tap K1 one termination power supply unit 6 and the said IGBT module of its another termination; During concrete wiring, the other end of said ignition gauge tap K1 connects the grid of said IGBT module after resistance R 1.Said temperature sensor 5-1 is thermocouple R.
Be easy-to-connect, said electric heater unit 4 is installed as one with control device 5 and the two is connected through power line with 6 of power supply units, and electric heater unit 4 and control device 5 are connected through power control line with igniting between the control box 8.
In the actual use; Process contained explosion jar 1 with pressure resistant vessel; Contained explosion jar 1 is provided with filling valve 2 and the pressure-relief valve 3 with Automatic Time Lag Function, and said pressure-relief valve 3 carries out the controller of open and close valve event by control pressure-relief valve 3 and forms with the timing circuit that controller joins; Simultaneously, the inwall of contained explosion jar 1 is provided with electric heater unit 4 and control device 5, and electric heater unit 4 is connected to control device 5 usefulness power control lines ignites control box 7.Before the operation, with liquid CO
2Be filled in the contained explosion jar 1; And after being communicated with the power line of 6 of electric heater unit 4 and control device 5 and power supply units; The present invention is put into borehole, and energized is also pressed the press button of igniting on the control box and is promptly ignited gauge tap K1, can add thermal initiation.Simultaneously, what note also is: during use, configure the time-delay release time of pressure-relief valve 3 earlier, before the personnel of assurance withdrew from the scene, blast jar automatically unloading was to safe pressure.In addition, also need the temperature upper limit of design temperature control circuit 5-2, such as 30 ℃.
Under the normal condition; The output signal that ignition gauge tap K1 is in off-state and temperature-control circuit 5-2 is the high level voltage signal; The IGBT module is in conducting state; This moment, power supply unit 6 was connected with the current supply circuit of electric heater unit 4, and electric heater unit 4 is in running order to be the inner liquid CO of 4 pairs of contained explosion jars of electric heater unit 1
2Continue heating.And the liquid CO of 4 pairs of contained explosion jars of employing electric heater unit, 1 inside
2Continue in the heating process, thermocouple R is in real time to contained explosion jar 1 interior liquid CO
2Temperature detect in real time and institute's detected temperatures signal in real time be sent to temperature-control circuit 5-2, the temperature signal that temperature-control circuit 5-2 is transmitted thermocouple R is analyzed and is judged liquid CO this moment
2Temperature whether be higher than promptly 30 ℃ of the temperature upper limits of regulation: liquid CO in contained explosion jar 1
2Temperature when being higher than 30 ℃, the output signal of temperature-control circuit 5-2 converts the low level voltage signal into, this moment, the IGBT module was in cut-off state, power supply unit 6 breaks off with the current supply circuit of electric heater unit 4, electric heater unit 4 stops heating; Liquid CO in contained explosion jar 1
2Temperature when being lower than 30 ℃, the output signal of temperature-control circuit 5-2 converts the high level voltage signal once more into, this moment, the IGBT module was in conducting state, electric heater unit 4 is proceeded heating.When needs are ignited; Press and ignite gauge tap K1; Promptly ignite gauge tap K1 and be in on-state; This moment, the grid of said IGBT module was in high level state all the time, and the break-make that is to say power supply unit 6 and 4 current supply circuits of electric heater unit does not receive control and its of temperature-control circuit 5-2 to be in connected state all the time, i.e. the liquid CO that continue contained explosion jar 1 inside of electric heater unit 4
2Heat until blasting.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (6)
1. inert gas exploder, comprise the splendid attire blast with the contained explosion jar (1) of inert gas, evenly be laid in electric heater unit (4) on contained explosion jar (1) inwall, tackle control device (5) that electric heater unit (4) controls mutually, be installed in the inert gas input and output pipeline on contained explosion jar (1) top, be installed in the filling valve (2) on the said inert gas input and output pipeline respectively and have the pressure-relief valve (3) of Automatic Time Lag Function and the power supply unit (6) that electric heater unit (4) and control device (5) are supplied power according to the temperature of the inner inert gas of contained explosion jar (1); Said control device (5) comprises temperature sensor (5-1) that the inner inert gas temperature of contained explosion jar (1) is detected in real time, the temperature-control circuit (5-2) that joins with temperature sensor (5-1) and the temperature detect switch (TDS) of being controlled by temperature-control circuit (5-2) (5-3); Temperature-control circuit (5-2) connects temperature detect switch (TDS) (5-3), and said temperature detect switch (TDS) (5-3) is serially connected in the current supply circuit between electric heater unit (4) and power supply unit (6); Be serially connected with in the current supply circuit between said electric heater unit (4) and power supply unit (6) with temperature detect switch (TDS) (5-3) mutually and the ignition gauge tap K1 that connects.
2. according to the described inert gas exploder of claim 1; It is characterized in that: said temperature detect switch (TDS) (5-3) is I GBT module; The grid of the said I GBT of the output termination module of temperature-control circuit (5-2); The positive source of power supply unit (6) connects the colelctor electrode of said I GBT module, and the emitter stage of said IGBT module connects the power cathode of negative power supply termination power supply unit (6) of cathode power supply end and the electric heater unit (4) of electric heater unit (4).
3. according to the described inert gas exploder of claim 2, it is characterized in that: the grid of the positive source of said ignition gauge tap K1 one termination power supply unit (6) and the said I GBT of its another termination module.
4. according to claim 1,2 or 3 described inert gas exploders, it is characterized in that: said ignition gauge tap K1 is installed in and ignites in the control box (7).
5. according to the described inert gas exploder of claim 4; It is characterized in that: said electric heater unit (4) and control device (5) are installed as between one and the two and power supply unit (6) and are connected through power line, and electric heater unit (4) and control device (5) are connected through power control line with igniting between the control box (7).
6. according to claim 1,2 or 3 described inert gas exploders, it is characterized in that: said temperature sensor (5-1) is thermocouple R.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910023959A CN101660889B (en) | 2009-09-17 | 2009-09-17 | Inert gas exploder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910023959A CN101660889B (en) | 2009-09-17 | 2009-09-17 | Inert gas exploder |
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| CN101660889A CN101660889A (en) | 2010-03-03 |
| CN101660889B true CN101660889B (en) | 2012-08-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102226675B (en) * | 2011-06-13 | 2014-10-29 | 李光武 | Exploder for exploding high-pressure gas or/and liquid or supercritical fluid through pressurization |
| CN103822543B (en) * | 2013-12-31 | 2016-03-30 | 王佰忠 | A kind of priming device |
| FR3017924B1 (en) * | 2014-02-21 | 2016-08-26 | Gaztransport Et Technigaz | METHOD AND SYSTEM FOR INERTING A WALL OF A STORAGE TANK OF A LIQUEFIED FUEL GAS |
| CN105833972A (en) * | 2016-03-17 | 2016-08-10 | 湖南天拓工程科技有限责任公司 | Block stone disintegration method based on CO2 liquid-gas phase change |
| CN105772189B (en) * | 2016-05-10 | 2018-12-04 | 中国科学院力学研究所 | A kind of broken iron ore device and method of pressurized liquid carbon dioxide |
| CN106733054B (en) * | 2016-11-28 | 2019-02-12 | 中国科学院力学研究所 | A kind of liquid CO2Prepare Iron Ore Powder device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5014622A (en) * | 1987-07-31 | 1991-05-14 | Michel Jullian | Blasting system and components therefor |
| CN2150521Y (en) * | 1993-02-24 | 1993-12-22 | 南票矿务局 | Constant-current ignitor |
| CN201210034Y (en) * | 2008-04-23 | 2009-03-18 | 张连山 | Electrostatic ignition explosive initiator for electric fuse |
| CN201293617Y (en) * | 2008-11-10 | 2009-08-19 | 北京北方邦杰科技发展有限公司 | Detonating device |
| CN201497439U (en) * | 2009-09-17 | 2010-06-02 | 西安新竹防灾救生设备有限公司 | Inert gas exploder |
-
2009
- 2009-09-17 CN CN200910023959A patent/CN101660889B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5014622A (en) * | 1987-07-31 | 1991-05-14 | Michel Jullian | Blasting system and components therefor |
| CN2150521Y (en) * | 1993-02-24 | 1993-12-22 | 南票矿务局 | Constant-current ignitor |
| CN201210034Y (en) * | 2008-04-23 | 2009-03-18 | 张连山 | Electrostatic ignition explosive initiator for electric fuse |
| CN201293617Y (en) * | 2008-11-10 | 2009-08-19 | 北京北方邦杰科技发展有限公司 | Detonating device |
| CN201497439U (en) * | 2009-09-17 | 2010-06-02 | 西安新竹防灾救生设备有限公司 | Inert gas exploder |
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| CN101660889A (en) | 2010-03-03 |
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