CN106053533A - Device and method for rapidly measuring temperature power-attenuation degree of explosive - Google Patents
Device and method for rapidly measuring temperature power-attenuation degree of explosive Download PDFInfo
- Publication number
- CN106053533A CN106053533A CN201610575939.XA CN201610575939A CN106053533A CN 106053533 A CN106053533 A CN 106053533A CN 201610575939 A CN201610575939 A CN 201610575939A CN 106053533 A CN106053533 A CN 106053533A
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- Prior art keywords
- explosive
- temperature
- quick
- water bath
- heating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
- G01N25/54—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining explosibility
Abstract
The invention discloses a device and a method for rapidly measuring a temperature power-attenuation degree of an explosive. The device comprises the explosive, an explosion heat bomb, a detonator and an explosion initiator, wherein the explosive is heated in water bath and cooled to room temperature and then is placed in the explosion heat bomb; the explosive is detonated by detonating the detonator through the explosion initiator; the water bath refers to the water bath in a water bath thermostatic box; the temperature of the water bath is adjustable in the water bath thermostatic box; during measurement, the explosive in the explosion heat bomb is detonated by detonating the detonator through the explosion initiator; explosion heat of the explosive is obtained by measuring the explosion heat bomb; a calculation formula for the temperature power-attenuation degree is deduced according to the explosion heat; and the temperature power-attenuation degree after heating the explosive in the water bath is calculated. The calculation formula for the temperature power-attenuation degree is deduced according to the explosion heat, and can rapidly and accurately reflect the influence degree of water bath heating time on the power attenuation of the explosive, thereby guiding the design of a blasting plan in high temperature fire areas.
Description
Technical field
The present invention relates to a kind of measurement apparatus and method, a kind of explosive temperature subtract the rapid measurement device of prestige degree with
Method, belongs to high temperature blasting engineering technical field.
Background technology
High temperature flame range causes accidental explosion or early quick-fried accident, serious restriction stripping production when being easily caused outdoor perforated blasting
Completing of task, therefore to ensure blasting excavation safety, needs to protect explosive, wherein has a kind of safeguard procedures
Being to be in water environment by explosive, it is later that these safeguard procedures propose the time, at present to explosive energy decay after heating in water bath
Situation there is no suitable measuring method.Some scholars is had to use shock wave peak computational pressure desensitization degree in order to characterize pressure traditionally
The impact that explosive charge power is decayed by power, but the shock wave pressure peak atenuation situation of explosive can not inherently reflect explosive
Power attenuation, even if causing identical explosive in the shock wave peak value phase the most not to the utmost of same position additionally, due to experimental error
With, i.e. the repeatability of measuring shock waves peak value is undesirable, deposits if therefore using shock wave pressure peak computational temperature to subtract prestige degree
The highest at accuracy, it can not reflect the impact that explosive charge power decays by the heating in water bath time completely.It addition, employing water
Lower explosion method calculates explosive gross energy can reflect the impact that explosive charge power is decayed by temperature, but needs to be additionally carried out phase
The explosion velocity answered is measured and calculates relatively cumbersome.
Summary of the invention
It is an object of the invention to can not be the most anti-for above-mentioned existing Explosive Shock Wave pressure peak attenuation
Reflect explosive energy attenuation and and underwater explosion calculating gross energy needs to be additionally carried out explosion velocity measurement and calculating is the most numerous
Trivial deficiency such as grade, it is provided that a kind of explosive temperature subtracts the rapid measurement device of prestige degree, and this device in actual applications can fast and easy
Judge the influence degree that explosive strength decayed by the heating in water bath time, thus instruct the blasting scheme in high temperature flame range to design.
Another object of the present invention is to the method for fast measuring providing a kind of explosive temperature to subtract prestige degree.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of explosive temperature subtracts the rapid measurement device of prestige degree, including explosive, quick-fried thermoelastic, detonator and initiator, described fried
Medicine is placed in quick-fried thermoelastic through heating in water bath and after being cooled to room temperature, and this explosive is by igniting after initiator detonating capsule.
Preferably, described water-bath refers to the water-bath in constant temperature water box, described constant temperature water box adjustable water bath temperature, uses
In simulation powder stick water bath in high temperature big gun hole.
Preferably, the temperature regulating range of described constant temperature water box is between room temperature and 100 DEG C.
Preferably, described quick-fried thermoelastic Explosive Heat after quickly measuring heating in water bath different time, quick-fried thermoelastic is
Big test dose is not less than 30g TNT equivalent.
Preferably, described explosive is emulsion.
Preferably, described emulsion passes through physical sensitization agent or chemical sensitizer sensitization.
Another object of the present invention can be achieved through the following technical solutions:
A kind of explosive temperature subtracts the method for fast measuring of prestige degree, said method comprising the steps of:
1) explosive of certain mass is placed in the water-bath in constant temperature water box heating certain time；
2) explosive after heating is cooled to ambient temperature；
3) explosive after cooling is placed in quick-fried thermoelastic；
4) by the explosive in quick-fried thermoelastic being ignited after initiator detonating capsule；
5) the quick-fried heat of explosive is obtained by quick-fried thermoelastic measurement；
6) subtract prestige degree computing formula according to the quick-fried derivation temperature that picks, and subtract prestige degree computing formula by temperature and calculate explosive
Temperature after heating in water bath subtracts prestige degree.
Preferably, step 6) in, it is as follows that described temperature subtracts prestige degree computing formula:
dt=(Qw-Qs)/Qw
Wherein, dtPrestige degree, Q is subtracted for temperaturewFor not carrying out the Explosive Heat of heating in water bath, QsFor the explosive after heating in water bath
Quick-fried heat, t is the heating in water bath time.
The present invention compared with prior art, has the advantage that and beneficial effect:
1, the present invention obtains measuring after heating in water bath the explosive after being cooled to room temperature are placed in quick-fried thermoelastic ignition
Quick-fried heat, subtracts prestige degree computing formula according to the quick-fried derivation temperature that picks, thus completes temperature and subtract the quick measurement of prestige degree, and it can facilitate
Quickly reflect the influence degree that explosive energy decayed by the heating in water bath time.
2, the temperature that the present invention provides subtracts prestige degree formula and calculates simply in actual applications, it is simple to operates, makes technical staff
Can quickly judge the influence degree that explosive energy decayed by the heating in water bath time, thus instruct the blasting scheme in high temperature flame range to set
Meter.
3, the present invention provide temperature subtract prestige degree computing formula be also applied for characterize explosive because be under pressure impact and occur
The degree of energy attenuation, thus provide reference for delay blasting conceptual design.
Accompanying drawing explanation
Fig. 1 is the structural representation that the explosive temperature of the embodiment of the present invention 1 subtracts the rapid measurement device of prestige degree.
Fig. 2 is the schematic diagram that explosive is placed on constant temperature water box heating by the embodiment of the present invention 1.
Fig. 3 is that the temperature of the embodiment of the present invention 2 subtracts prestige degree dtWith heating in water bath time chart.
Wherein, 1-explosive, the quick-fried thermoelastic of 2-, 3-detonator, 4-initiator, 5-constant temperature water box.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit
In this.
Embodiment 1:
As it is shown in figure 1, present embodiments provide a kind of explosive temperature to subtract the rapid measurement device of prestige degree, this device includes exploding
Medicine 1, quick-fried thermoelastic 2, detonator 3 and initiator 4.
Described explosive 1 is emulsion, and it can pass through physical sensitization agent or chemical sensitizer sensitization, as glass microsphere,
Perlite, NaNO2Deng, heating in water bath can be carried out, as in figure 2 it is shown, be first placed in constant temperature water box 5 by explosive 1 after its packaging
Water-bath in heat, be cooled to room temperature after heating certain time, then be placed in quick-fried thermoelastic 2, this explosive 1 is by initiator 4
Ignite after quick-fried detonator 3；Wherein, constant temperature water box 5 adjustable water bath temperature, its temperature regulating range between room temperature and 100 DEG C,
Temperature control precision is 0.5 DEG C, for simulating powder stick water bath in high temperature big gun hole；Described quick-fried thermoelastic 2 is for quickly surveying
Explosive Heat after amount heating in water bath different time, its full test dose is not less than 30g TNT equivalent.
The rapid measurement device operation principle that the explosive temperature of the present embodiment subtracts prestige degree is as follows:
During measurement, the explosive 1 of certain mass is placed on after the water-bath in constant temperature water box 5 is heated to the scheduled time and takes
Go out and be cooled to room temperature, the explosive 1 after cooling is placed in quick-fried thermoelastic 2, being exploded by initiator 4 detonating capsule 3 thus ignition
Medicine 1, records the quick-fried heat of explosive by quick-fried thermoelastic 2, subtracts prestige degree computing formula according to the quick-fried derivation temperature that picks, utilizes this temperature to subtract prestige
Temperature after degree computing formula calculates explosive 1 heating in water bath subtracts prestige degree.
Embodiment 2:
Present embodiments providing a kind of explosive temperature and subtract the method for fast measuring of prestige degree, the method comprises the following steps:
Step one, the explosive of certain mass is placed in the water-bath in constant temperature water box heating certain time；
In this step, described explosive can pass through physical sensitization agent or chemical sensitizer sensitization, such as glass microsphere, Margarita
Rock, NaNO2Deng, heating in water bath can be carried out after its packaging；Described constant temperature water box adjustable water bath temperature, its temperature regulating range
Between room temperature and 100 DEG C, temperature control precision is 0.5 DEG C, for simulating powder stick water bath in high temperature big gun hole；
Step 2, will heating after explosive be cooled to ambient temperature；
Step 3, will cooling after explosive be placed in quick-fried thermoelastic；
In this step, described quick-fried thermoelastic full test dose is not less than 30gTNT equivalent.
Step 4, by the explosive in quick-fried thermoelastic being ignited after initiator detonating capsule；
Step 5, the quick-fried heat of explosive of being obtained by quick-fried thermoelastic measurement；
In this step, the conversion coefficient of quick-fried thermoelastic needs to demarcate in advance, and the quick-fried heat of detonating capsule needs independent measurement
Obtain and cut in the calculation.
Step 6, subtract prestige degree computing formula according to the quick-fried derivation temperature that picks, and subtract the calculating of prestige degree computing formula by temperature
Go out the temperature after explosive heating in water bath and subtract prestige degree.
In this step, it is as follows that described temperature subtracts prestige degree computing formula:
dt=(Qw-Qs)/Qw
Wherein, dtPrestige degree, Q is subtracted for temperaturewFor not carrying out the Explosive Heat of heating in water bath, QsFor the explosive after heating in water bath
Quick-fried heat, t is the heating in water bath time.
After medicated bag scatters and disappears cap-sensitivity, an only blasting cap detonation, therefore Qs=0, computing formula understand now dt=
1；When the non-occurrence temperature of medicated bag subtracts prestige, Qw=Qs, computing formula can obtain dt=0, i.e. 0≤dt≤ 1, dtThe size of value reflects
Explosive occurrence temperature subtracts the complexity of prestige, and its value, closer to 1, subtracts prestige degree the biggest, thus temperature subtracts the sign quantification of prestige,
More can reflect the essential speciality of this phenomenon；Subtracting the least explosive of prestige angle value to be more not susceptible to temperature and subtract prestige, resisting temperature performance is the best.By
In QwWith QsIt is the meansigma methods of many experiments, the Q therefore testedsValue is it is possible that be more than QwSituation, thus cause
dtThe value of calculation of ＜ 0, in this case dtValue should take 0 because explosive now is it is believed that non-occurrence temperature subtracts prestige situation,
The result so processed meets objective reality.
The explosive that the present embodiment subtracts the calculated perlite sensitization of prestige degree computing formula according to temperature subtracts Wei Du and water-bath
Relation, increased along with the heating in water bath time as it is shown on figure 3, use the explosive of perlite sensitization to subtract prestige degree and increased heat time heating time,
Therefore the temperature calculated according to quick-fried heat subtracts prestige degree can energy attenuation degree after quick and convenient judgement explosive heating in water bath.
In sum, the present invention measures after the explosive after heating in water bath is placed in quick-fried thermoelastic ignition and obtains quick-fried heat,
Subtracting prestige degree computing formula according to the quick-fried derivation temperature that picks, thus complete temperature and subtract the quick measurement of prestige degree, it can fast and easy
Reflect the influence degree that explosive energy decayed by the heating in water bath time；Additionally, the present invention calculates simply in actual applications, just
In operation, allow a technician to quickly judge the influence degree that explosive energy is decayed by the heating in water bath time, thus instruct high temperature
Blasting scheme design in flame range.
The above, patent preferred embodiment the most of the present invention, but the protection domain of patent of the present invention is not limited to
This, any those familiar with the art is in the scope disclosed in patent of the present invention, according to the skill of patent of the present invention
Art scheme and patent of invention thereof conceive equivalent or change in addition, broadly fall into the protection domain of patent of the present invention.
Claims (8)
1. explosive temperature subtracts a rapid measurement device for prestige degree, including explosive, detonator and initiator, it is characterised in that: also wrap
Including quick-fried thermoelastic, described explosive is placed in quick-fried thermoelastic through heating in water bath and after being cooled to room temperature, and this explosive is risen by initiator
Ignite after quick-fried detonator.
A kind of explosive temperature the most according to claim 1 subtracts the rapid measurement device of prestige degree, it is characterised in that: described water-bath
Refer to the water-bath in constant temperature water box, described constant temperature water box adjustable water bath temperature, be used for simulating powder stick in high temperature big gun hole
Water bath.
A kind of explosive temperature the most according to claim 2 subtracts the rapid measurement device of prestige degree, it is characterised in that: described water-bath
The temperature regulating range of calorstat is between room temperature and 100 DEG C.
A kind of explosive temperature the most according to claim 1 subtracts the rapid measurement device of prestige degree, it is characterised in that: described quick-fried heat
Bullet Explosive Heat after quickly measuring heating in water bath different time, the full test dose of quick-fried thermoelastic is not less than 30g TNT
Equivalent.
5. the rapid measurement device of prestige degree is subtracted according to a kind of explosive temperature described in any one of claim 1-4, it is characterised in that:
Described explosive is emulsion.
A kind of explosive temperature the most according to claim 5 subtracts the rapid measurement device of prestige degree, it is characterised in that: described emulsifying
Explosive passes through physical sensitization agent or chemical sensitizer sensitization.
7. an explosive temperature subtracts the method for fast measuring of prestige degree, it is characterised in that: said method comprising the steps of:
1) explosive of certain mass is placed in the water-bath in constant temperature water box heating certain time；
2) explosive after heating is cooled to ambient temperature；
3) explosive after cooling is placed in quick-fried thermoelastic；
4) by the explosive in quick-fried thermoelastic being ignited after initiator detonating capsule；
5) the quick-fried heat of explosive is obtained by quick-fried thermoelastic measurement；
6) subtract prestige degree computing formula according to the quick-fried derivation temperature that picks, and subtract prestige degree computing formula by temperature and calculate explosive water-bath
Temperature after heating subtracts prestige degree.
A kind of explosive temperature the most according to claim 7 subtracts the method for fast measuring of prestige degree, it is characterised in that: step 6)
In, it is as follows that described temperature subtracts prestige degree computing formula:
dt=(Qw-Qs)/Qw
Wherein, dtPrestige degree, Q is subtracted for temperaturewFor not carrying out the Explosive Heat of heating in water bath, QsFor the Explosive Heat after heating in water bath,
T is the heating in water bath time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575939.XA CN106053533A (en) | 2016-07-20 | 2016-07-20 | Device and method for rapidly measuring temperature power-attenuation degree of explosive |
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| CN201610575939.XA CN106053533A (en) | 2016-07-20 | 2016-07-20 | Device and method for rapidly measuring temperature power-attenuation degree of explosive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580704A (en) * | 2018-12-12 | 2019-04-05 | 北京理工大学 | It is a kind of for detecting the test device of explosive column swell increment under heating status |
| CN111380908A (en) * | 2020-03-31 | 2020-07-07 | 中国人民解放军96901部队24分队 | Explosion heat measurement method, storage medium and system for resisting temperature fluctuation of outer barrel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580704A (en) * | 2018-12-12 | 2019-04-05 | 北京理工大学 | It is a kind of for detecting the test device of explosive column swell increment under heating status |
| CN111380908A (en) * | 2020-03-31 | 2020-07-07 | 中国人民解放军96901部队24分队 | Explosion heat measurement method, storage medium and system for resisting temperature fluctuation of outer barrel |
| CN111380908B (en) * | 2020-03-31 | 2022-08-12 | 中国人民解放军96901部队24分队 | Explosion heat measurement method, storage medium and system for resisting temperature fluctuation of outer barrel |
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Application publication date: 20161026 |