CN100523807C - Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure - Google Patents
Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure Download PDFInfo
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- CN100523807C CN100523807C CNB2005100748155A CN200510074815A CN100523807C CN 100523807 C CN100523807 C CN 100523807C CN B2005100748155 A CNB2005100748155 A CN B2005100748155A CN 200510074815 A CN200510074815 A CN 200510074815A CN 100523807 C CN100523807 C CN 100523807C
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Abstract
The invention relates to a high temperature high pressure environment condensation explosive deflagrability testing device that includes testing canister, testing column, flame igniter and flame igniter end plate. The device also includes pressure adjusting jar and pressure adjusting end plate, the pressure adjusting piston. Several testing holes are set on the side wall of testing canister. Exhaust line, charging pipeline, pressure sensor and a group of speed sensor are inserted into the testing hole. The invention is simple structure, and the temperature and pressure is adjustable. It could reliably and accurately test the ignition for explosive in high temperature and high pressure environment.
Description
Technical field
The present invention relates to a kind of device of testing the fiery explosive character of cohesion, particularly a kind of proving installation of deflagrability of condensed fire detonator under condition of high termerature and high pressure.
Background technology
The device of most of detonation property research, its at research object all be inflammable gas.And, all be unsuitable for the research of deflagrability of condensed fire detonator under condition of high termerature and high pressure usually at present at the device of cohesion fiery explosive (belonging to solid-state or liquid) detonation research.The proving installation of deflagrability of condensed fire detonator under condition of high termerature and high pressure, must satisfy high temperature and high pressure environment and detonation the test some basic demands, as: since to as if the cohesion fiery explosive, its detonation pressure is higher; Because the character of the fiery explosive detonation of research needs long detonation to observe again.Present proving installation is difficult to satisfy the requirement of the detonation test under the High Temperature High Pressure.The for example existing closed bomb vessel that condenses fiery explosive experiment because the size of this closed bomb vessel is little, is difficult to condense qualitative observation of fiery explosive deflagrability and research, also is not easy to add higher temperature environment.
Summary of the invention
The objective of the invention is to: provide a kind of deflagrability of condensed fire detonator under condition of high termerature and high pressure proving installation, so that carry out the research of deflagrability of condensed fire detonator under condition of high termerature and high pressure.
For achieving the above object, deflagrability of condensed fire detonator under condition of high termerature and high pressure proving installation provided by the invention, comprise experiment tube 8, insert the test cylinder 13 that has fluting 14 in the experiment tube 8, be positioned at igniter 9 of testing tube 8 one ends and the igniter end socket 10 that igniter 9 is fixed on experiment tube 8 ports, it is characterized in that, also comprise the voltage regulation part that is installed in experiment tube 8 other ends, this voltage regulation part comprises voltage regulation cylinder 2, be positioned at the relief piston 1 of voltage regulation cylinder 2, and voltage regulation cylinder 2 be fixed on the pressure regulation end socket 3 of experiment tube 8 ports; Described voltage regulation cylinder 2 is tightly connected with experiment tube 8, and the cavity in the experiment tube 8 and voltage regulation cylinder 2 interior cavitys communicate; Described proving installation also comprises heating plate 11 that is wrapped in outside the experiment tube 8 and the thermofin 12 that is centered around outside the heating plate 11; Described experiment tube 8 is a cylindrical shape, and its external diameter is 2 times of internal diameter at least; Have some instrument connections on the sidewall of described experiment tube 8; Insert exhaust tube 4, liquid injection pipe 5, pressure transducer 6 and one group of tachogenerator 7 in the described instrument connection respectively.
Described igniter 9 comprises ignition part and passes fiery parts, and described biography fire parts link to each other with test cylinder 13 in the experiment tube 8.
The adjusted volume of described relief piston 1 is at least experiment tube 8 internal cavities volumes and 5% of test cylinder 13 volume differences.
Described experiment tube 8, its length is at least 1 meter.
Described tachogenerator is by measuring the detonation velocity that moment that the detonation front arrives each measurement point calculates the fiery explosive of cohesion.
Described tachogenerator can be an occasionally metal probe of photodiode, thermoelectricity.
The fiery explosive detonation of described cohesion character proving installation also comprises temperature controller, and this temperature controller is connected with heating plate, the break-make of electric current in the may command heating plate.
The invention has the advantages that: a kind of deflagrability of condensed fire detonator under condition of high termerature and high pressure proving installation is provided; This apparatus structure is simple, is convenient to experimental implementation; Environment temperature, the adjustable in pressure of experiment; The environmental parameter of experiment is controlled easily, and is reliable and stable; Can measure detonation pressure and detonation velocity simultaneously in the experiment; Can realize the igniting of the fiery explosive of cohesion under the high temperature and high pressure environment accurately and reliably.
Description of drawings
Fig. 1 is a deflagrability of condensed fire detonator under condition of high termerature and high pressure proving installation synoptic diagram of the present invention;
Fig. 2 is the diagrammatic cross-section of igniter among the present invention.
1: relief piston, 2: voltage regulation cylinder, 3: the pressure regulation end socket, 4: exhaust tube, 5: liquid injection pipe, 6: pressure transducer, 7: tachogenerator, 8: thicl-walled cylinder, 9: igniter, 10: igniter end socket, 11: heating plate, 12: thermofin, 13: test cylinder, 14: the fluting on the test cylinder, 15: the firing tip end socket, 16: sealing metal circular cone, 17: igniter head, 18: primer charge, 19: lighter, 20:O type circle, 21: the igniting primer base, 22: igniting primer fastening screw, 23: pass fiery tool seat, 24: starting mix, 25: igniting primer, 26: igniting primer end socket, 27: pass fiery tool plug, 28: fire jetting hole, 29: through hole.
Embodiment
Embodiment 1: selecting a length is 3 meters high pressure vessel, is thick cyclinder on its structure, and external diameter is 200 millimeters, and internal diameter is 50 millimeters, and its material should have certain intensity, and certain toughness is arranged again, is the 60Si2CrVA steel in the present embodiment.Such High-Voltage Experimentation container can the anti-firmly pressure of 300MPa.Make a length and be 2.8 meters, diameter and be 49.5 millimeters experiment cylinder, the material of experiment cylinder is 35CrMo, slots on the cylinder, and the width of groove is 6 millimeters, and the degree of depth is 30 millimeters.This groove is used to hold the fiery explosive of cohesion.Thick cyclinder is placed the heating plate that power is 5000W/m outward, is used to heat thick cyclinder.Heating plate outer wrapping asbestos cloth reduces heat radiation as thermofin.The side of thick cyclinder bus to make a call to a diameter every 200 millimeters be 5 millimeters apertures.In the aperture of diverse location, place an exhaust tube, a liquid injection pipe, a pressure transducer and several photodiodes.Make igniter and regulator in addition.Wherein, igniter comprises ignition part and passes fiery parts that ignition part is used for set-point duration and degree of heating and black powder, passes fiery parts and is used to place starting mix (concrete structure of igniter will describe in detail hereinafter); Regulator comprises voltage regulation cylinder and relief piston.Make an igniter end socket and a pressure regulation end socket more respectively, be used for the installation (promptly respectively igniter and regulator being fixedly connected on the two ends of testing tube) of igniter and regulator with two end sockets.A temperature controller is installed, and this temperature controller is connected with heating plate.Temperature controller is provided with the break-make of control heating plate according to predetermined temperature, and then controls the experimental situation temperature.Temperature controller can be bought on market, in the present embodiment, adopts Beijing to converge river electronic technology Ltd automatic intelligent instrument as temperature controller, and its model is HC-402D.
Be described in detail the manufacturing process of the igniter that adopts among the present invention below.
Igniter among the present invention comprises ignition part and passes fiery parts that wherein ignition part comprises lighter 19, lighter sealing metal circular cone 16; Passing fiery parts comprises igniting primer end socket 26, igniting primer 25, igniting primer base 21, igniting primer confinement spiral shell 8, passes fiery tool plug 27, passes fiery tool seat 23.
Select the biography fire tool seat 23 of a heavy wall, a ladder circular hole is arranged on the center line.An end that passes fiery tool seat has internal thread.Select a heat conduction good metal pipe as igniting primer 25, an end of igniting primer is connected with igniting primer base 21, igniting primer fastening screw 22, and the other end is connected with the fiery tool plug 27 of biography.Select an igniting primer end socket 26, circumference has external thread, and there is conical bore the centre as fire jetting hole 16., form and pass fiery tool parts with igniting primer 25, igniting primer base 21, igniting primer fastening screw 22 and pass fiery tool plug 27 and link together with igniting primer end socket 26 with passing fiery tool seat 23.Place a lighter 19 at the other end that passes fiery tool seat, the material of lighter is a metal.Lighter sealing metal circular cone 16 peripheries are placed sealing O type circle, and lighter sealing metal circular cone 16 links to each other with lighter 19 insulation.In the actual ignition operation, 5 set-point duration and degree of heatings 17, primer charge 18 in the lighter, starting mix is placed at 10 places, gap that igniting primer 25 and the fiery tool seat of biography are 23, passes and places the fiery explosive of cohesion under the hyperbaric environment to be fired outside the fiery tool seat 23.Firing tip end socket 15 links together lighter 19, the fiery tool parts of biography (igniting primer end socket 26, igniting primer 25, igniting primer base 21, igniting primer fastening screw 22, the fiery tool plug 27 of biography, the fiery tool seat 23 of biography) with the container that the splendid attire hyperbaric environment is condensed fiery explosive.Two detonating cords of igniter head 17 join with lighter sealing metal circular cone 16, metal dots firearm 19 respectively.During actual ignition, allow igniter head 17, primer charge 18 be in the atmospheric pressure environment (be igniting primer 25 inner be normal pressure), starting mix is in (being that igniting primer 25 is a high pressure with the gap 10 that passes between the fiery tool seat 23) in the hyperbaric environment.At this moment, two detonating cords of initiator are joined the igniter head 17 in the first firing point firearm 19, igniter head 17 firing point gunpowder 18 respectively with lighter sealing metal circular cone 16, metal dots firearm 19, the flame of primer charge 18 burns heat with igniting primer 25, and then lights the starting mix 24 under the hyperbaric environment.The flame of starting mix 24 is lighted the fiery explosive of cohesion under the hyperbaric environment by the through hole 29 that passes fiery tool plug 27, the fire jetting hole 28 of igniting primer end socket 26 under the hyperbaric environment.The sealing of hyperbaric environment is by sealing O type circle 20 and lighter sealing metal circular cone 16.
In the present embodiment, select material 55Si2MnB spring steel to make and pass fiery tool seat, firing tip end socket, lighter, igniting primer base, igniting primer fastening screw, igniting primer end socket, pass fiery tool plug.Selecting material is that the aluminum pipe of 2A06 is as igniting primer.Lighter sealing metal circular cone is a brass spare.O type circle selects polytetrafluoroethylmaterial material to make.Lighter sealing metal conical periphery is placed sealing by sealing O type circle, and lighter sealing metal circular cone utilizes Teflon O ring to link to each other with the lighter insulation.
When utilizing deflagrability of condensed fire detonator under condition of high termerature and high pressure proving installation provided by the invention to carry out test experiments, cohesion fire explosive to be tested is packed into test in the experimental tank of cylinder earlier, will test cylinder again and put in the thick cyclinder.Set-point duration and degree of heating, black powder in the igniter.Black powder is placed starting mix outward.Igniter is installed in an end of thick cyclinder with the igniter end socket.Regulator is installed in the other end of thick cyclinder with the pressure regulation end socket.Oil being evacuated in the thick cyclinder, injects by liquid injection pipe by exhaust tube then in elder generation before the test, realizes pressure regulation by the Piston Compression oil of thick cyclinder one end, with tensimeter supervision thick cyclinder internal pressure, to satisfy the high pressure requirement of experiment.Carry out temperature control by temperature controller, make the experimental situation temperature in the thick cyclinder can be adjustable below 120 ℃.Utilize igniter head to light black powder, black powder is lighted starting mix, and starting mix is lighted the fiery explosive of cohesion, the final igniting that realizes the fiery explosive of cohesion.Measure the pressure that condenses in the fiery explosive detonation experiment with pressure transducer.Measure the detonation velocity of the fiery explosive of cohesion by the photodiode of on the diverse location aperture, placing.When the detonation front of the fiery explosive of cohesion arrived, because the reaction of fiery chemistry of explosives is luminous, photodiode can measure light signal; By calculating the light signal due in of diverse location photodiode, can calculate the detonation velocity of the fiery explosive of cohesion.
Embodiment 2: the difference of present embodiment and embodiment 1 is: the photodiode of placing on the aperture of diverse location among the embodiment 1 is changed into thermopair.And remainder is identical with embodiment 1.
In the present embodiment, when the detonation front of the fiery explosive of cohesion arrived, because fiery chemistry of explosives exothermic heat of reaction, thermopair can measure temperature signal.By calculating the temperature signal due in of diverse location thermopair, can calculate the detonation velocity of the fiery explosive of cohesion.
Embodiment 3: the difference of present embodiment and embodiment 1 is: the photodiode of placing on the aperture of diverse location among the embodiment 1 is changed into metal probe.And remainder is identical with embodiment 1.
In the present embodiment, when the detonation front of the fiery explosive of cohesion arrives, since the reaction of fiery chemistry of explosives, fiery explosive reaction product ionization conduction, and metal probe can measure fiery explosive reaction product ionization electrically conductive signal like this.By calculating the electrically conductive signal due in of diverse location metal probe, can calculate the detonation velocity of the fiery explosive of cohesion.
Claims (6)
1, a kind of deflagrability of condensed fire detonator under condition of high termerature and high pressure proving installation, comprise experiment tube (8), insert the test cylinder (13) in the experiment tube (8), described test cylinder (13) along cylinder axis to cylindrical outer wall on be provided with fluting (14), be positioned at igniter (9) of testing tube (8) one ends and the igniter end socket (10) that igniter (9) is fixed on experiment tube (8) port, it is characterized in that, the fiery explosive detonation of described cohesion character proving installation also comprises the voltage regulation part that is installed in experiment tube (8) other end, this voltage regulation part comprises voltage regulation cylinder (2), be positioned at the relief piston (1) of voltage regulation cylinder (2), and voltage regulation cylinder (2) be fixed on the pressure regulation end socket (3) of experiment tube (8) port; Described voltage regulation cylinder (2) is tightly connected with experiment tube (8), and the cavity in the experiment tin (8) communicates with the cavity in the voltage regulation cylinder (2); The fiery explosive detonation of described cohesion character proving installation also comprises being wrapped in tests the outer heating plate (11) of tube (8) and is centered around the outer thermofin (12) of heating plate (11); Described experiment tube (8) is a cylindrical shape, and its external diameter is 2 times of internal diameter at least; Have some instrument connections on the sidewall of described experiment tube (8); Insert exhaust tube (4), liquid injection pipe (5), pressure transducer (6) and one group of tachogenerator (7) in the described instrument connection respectively, described tachogenerator is an occasionally metal probe of photodiode, thermoelectricity.
By the fiery explosive detonation of the described cohesion of claim 1 character proving installation, it is characterized in that 2, described igniter (9) comprises ignition part and pass fiery parts that the described biography fire parts test cylinder (13) interior with testing tube (8) links to each other.
By the fiery explosive detonation of the described cohesion of claim 1 character proving installation, it is characterized in that 3, the adjusted volume of described relief piston (1) is at least experiment tube (8) internal cavities volume and 5% of test cylinder (13) volume differences.
4, by the fiery explosive detonation of the described cohesion of claim 1 character proving installation, it is characterized in that, described experiment tube (8), its length is at least 1 meter.
5,, it is characterized in that described tachogenerator is by measuring the detonation velocity that moment that the detonation front arrives each measurement point calculates the fiery explosive of cohesion by the fiery explosive detonation of the described cohesion of claim 4 character proving installation.
6, by the fiery explosive detonation of the described cohesion of claim 1 character proving installation, it is characterized in that also comprise temperature controller, this temperature controller is connected with heating plate, the break-make of electric current in the may command heating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100748155A CN100523807C (en) | 2005-06-03 | 2005-06-03 | Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100748155A CN100523807C (en) | 2005-06-03 | 2005-06-03 | Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure |
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| CN1873411A CN1873411A (en) | 2006-12-06 |
| CN100523807C true CN100523807C (en) | 2009-08-05 |
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| CNB2005100748155A Expired - Fee Related CN100523807C (en) | 2005-06-03 | 2005-06-03 | Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure |
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| CN111024155A (en) * | 2019-12-09 | 2020-04-17 | 西安近代化学研究所 | System for testing stimulation amount of explosive vibration mixing process |
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| CN111024155B (en) * | 2019-12-09 | 2021-07-27 | 西安近代化学研究所 | System for testing stimulation amount of explosive vibration mixing process |
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| CN1873411A (en) | 2006-12-06 |
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