CN205958500U - Explosive temperature subtracts quick measuring device of majestic degree - Google Patents
Explosive temperature subtracts quick measuring device of majestic degree Download PDFInfo
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- CN205958500U CN205958500U CN201620769484.0U CN201620769484U CN205958500U CN 205958500 U CN205958500 U CN 205958500U CN 201620769484 U CN201620769484 U CN 201620769484U CN 205958500 U CN205958500 U CN 205958500U
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Abstract
The utility model discloses an explosive temperature subtracts quick measuring device of majestic degree, install including the explosive, explode thermoelastic, detonator and detonating ware, the explosive is placed in exploding the thermoelastic through water -bath heating and after cooling off the room temperature, and this explosive is ignited after through detonating ware blasting cap, the water bath is the water bath in the constant temperature water box, the adjustable bath temperature of constant temperature water box, during the measurement, ignite through the explosive that will explode in the thermoelastic behind the detonating ware blasting cap, obtain the heat of exploding of explosive through exploding the thermoelastic measurement, derive the temperature and subtract majestic degree formula according to exploding heat to the temperature that calculates behind the explosive water -bath heating subtracts majestic degree. The utility model discloses derive the temperature and subtract majestic degree formula according to exploding heat, its fast the accuracy reflect the influence degree that the water -bath heating time attenuates to explosive power to guide the blasting scheme design in the high temperature fire district.
Description
Technical field
The utility model is related to a kind of measurement apparatus, and especially a kind of explosive temperature subtracts the rapid measurement device of prestige degree, belongs to
In high temperature blasting engineering technical field.
Background technology
High temperature flame range is easily caused during outdoor perforated blasting and causes accidental explosion or early quick-fried accident, and serious restriction is peeled off and produced
Completing of task, therefore in order to ensure blasting excavation safety, needs to be protected explosive, wherein has a kind of safeguard procedures
It is that explosive is in water environment, this safeguard procedures proposition time is later, the decay after heating water bath to explosive energy at present
Situation there is no suitable measuring method.Some scholars are traditionally had to adopt shock wave peak computational pressure desensitization degree in order to characterize pressure
The impact that power decays to explosive charge power, but the shock wave pressure peak atenuation situation of explosive can not inherently reflect explosive
Power attenuation, even if lead to identical explosive in the impact crest value also phase not to the utmost of same position additionally, due to experimental error
With that is, the repeatability of measuring shock waves peak value is undesirable, if therefore subtract prestige degree using shock wave pressure peak computational temperature deposited
Not high in accuracy, it can not reflect the impact that the heating water bath time decays to explosive charge power completely.In addition, adopting water
Lower explosion method calculates explosive gross energy and can reflect the impact that temperature decays to explosive charge power, but needs to be additionally carried out phase
The explosion velocity answered measures and calculates relatively cumbersome.
Utility model content
The purpose of this utility model is can not be from essence for above-mentioned existing Explosive Shock Wave pressure peak attenuation
Upper reflection explosive energy attenuation and and underwater explosion calculate gross energy and need to be additionally carried out explosion velocity measurement and calculate phase
Wait deficiency to loaded down with trivial details, there is provided a kind of explosive temperature subtracts the rapid measurement device of prestige degree, and this device can facilitate in actual applications
The quick influence degree judging that the heating water bath time decays to explosive strength, thus instruct the blasting scheme in high temperature flame range to set
Meter.
The purpose of this utility model 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 on through heating water bath and after being cooled to room temperature in quick-fried thermoelastic, and this explosive is ignited 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 water bath in high temperature blasthole for the powder stick.
Preferably, the temperature regulating range of described constant temperature water box is between room temperature and 100 DEG C.
Preferably, described quick-fried thermoelastic is used for the Explosive Heat after quick measurement heating water bath different time, and 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.
The utility model compared with prior art, has the advantage that and beneficial effect:
1st, the utility model by through heating water bath and be cooled to the explosive after room temperature be placed in quick-fried thermoelastic ignite after measure
Obtaining quick-fried heat, prestige degree computing formula being subtracted according to the quick-fried derivation temperature that picks, thus completing the quick measurement that temperature subtracts prestige degree, it can
Fast and easy reflects the influence degree that the heating water bath time decays to explosive energy.
2nd, the temperature that the utility model provides subtracts prestige degree formula and calculates in actual applications simply, is easy to operate, makes technology
Personnel can quickly judge the influence degree that the heating water bath time decays to explosive energy, thus instructing the explosion side in high temperature flame range
Case designs.
3rd, the utility model provide temperature subtract prestige degree computing formula be also applied for characterize explosive because be under pressure impact and
There is the degree of energy attenuation, thus providing reference for delay blasting conceptual design.
Brief description
Fig. 1 be the utility model embodiment 1 explosive temperature subtract prestige degree rapid measurement device structural representation.
Fig. 2 is that explosive is placed on the schematic diagram of constant temperature water box heating by the utility model embodiment 1.
Fig. 3 is that the temperature of the utility model embodiment 2 subtracts prestige degree dtWith heating water bath time chart.
Wherein, 1- explosive, the quick-fried thermoelastic of 2-, 3- detonator, 4- initiator, 5- constant temperature water box.
Specific embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail, but enforcement of the present utility model
Mode not limited to this.
Embodiment 1:
As shown in figure 1, present embodiments providing the rapid measurement device that a kind of explosive temperature subtracts prestige degree, this device includes exploding
Medicine 1, quick-fried thermoelastic 2, detonator 3 and initiator 4.
Described explosive 1 is emulsion, its can by physical sensitization agent or chemical sensitizer sensitization, such as glass microsphere,
Perlite, NaNO2Deng, its packaging after can carry out heating water bath, as shown in Fig. 2 explosive 1 is first placed in constant temperature water box 5
Water-bath in heat, be cooled to room temperature after heating certain time, then be placed in quick-fried thermoelastic 2, this explosive 1 passes through 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 water bath in high temperature blasthole for the powder stick;Described quick-fried thermoelastic 2 is used for quick survey
Explosive Heat after amount heating 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 to be heated to after the scheduled time in the water-bath in constant temperature water box 5 takes
Go out and be cooled to room temperature, the explosive 1 after cooling is placed in quick-fried thermoelastic 2, by initiator 4 detonating capsule 3 thus igniting fried
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, subtracts prestige using this temperature
Temperature after degree computing formula calculates explosive 1 heating water bath subtracts prestige degree.
Embodiment 2:
Present embodiments provide the method for fast measuring that a kind of explosive temperature subtracts 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 be by physical sensitization agent or chemical sensitizer sensitization, such as glass microsphere, pearl
Rock, NaNO2Deng, its packaging after can carry out heating water bath;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 water bath in high temperature blasthole for the powder stick;
Step 2, by heating after explosive be cooled to ambient temperature;
Step 3, by 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, after initiator detonating capsule, the explosive in quick-fried thermoelastic is ignited;
Step 5, obtain the quick-fried heat of explosive by quick-fried thermoelastic measurement;
In this step, the conversion coefficient of quick-fried thermoelastic needs to be demarcated in advance, and the quick-fried heat of detonating capsule needs independent measurement
Obtain and cut in the calculation.
Step 6, according to quick-fried pick derivation temperature subtract prestige degree computing formula, and by temperature subtract prestige degree computing formula calculating
Go out the temperature after explosive heating 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, dtSubtract prestige degree, Q for temperaturewFor not carrying out the Explosive Heat of heating water bath, QsFor the explosive after heating water bath
Quick-fried heat, t is the heating water bath time.
After cartridge bag scatters and disappears cap-sensitivity, only one blasting cap detonation, therefore Qs=0, now d is understood by computing formulat=
1;When the non-occurrence temperature of cartridge bag subtracts prestige, Qw=Qs, d can be obtained by computing formulat=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 that prestige degree is bigger, thus temperature is subtracted the sign quantification of prestige,
The essential speciality of this phenomenon more can be reflected;Subtract the less explosive of prestige angle value and be more not susceptible to temperature and subtract prestige, resisting temperature performance is better.By
In QwWith QsIt is the mean value of many experiments, the therefore Q of testsValue is it is possible that be more than QwSituation, thus cause
dtThe calculated value of < 0, d in this casetValue should take 0 because explosive now can consider that non-occurrence temperature subtracts prestige situation,
The result so processing meets objective reality.
The present embodiment subtracts Wei Du and water-bath according to the explosive that temperature subtracts the sensitization of prestige degree computing formula calculated perlite
Heat time relation, as shown in figure 3, prestige degree is subtracted using the explosive of perlite sensitization increasing with the increase of heating water bath time,
Therefore prestige degree is subtracted according to the temperature that quick-fried heat calculates and quick and convenient can judge energy attenuation degree after explosive heating water bath.
In sum, the utility model by the explosive after heating water bath be placed in quick-fried thermoelastic ignite after measurement obtain quick-fried
Heat, subtracts prestige degree computing formula according to the quick-fried derivation temperature that picks, thus completing the quick measurement that temperature subtracts prestige degree, it can facilitate soon
Speed reflects the influence degree that the heating water bath time decays to explosive energy;Additionally, the utility model calculates in actual applications
Simply, being easy to operate, allowing a technician to quickly judge the influence degree that the heating water bath time decays to explosive energy, thus referring to
Lead the blasting scheme design in high temperature flame range.
The above, only the utility model patent preferred embodiment, but the protection domain of the utility model patent is simultaneously
It is not limited to this, in scope disclosed in the utility model patent for any those familiar with the art, according to this
The technical scheme of utility model patent and its utility model patent design in addition equivalent or change, broadly fall into the utility model
The protection domain of patent.
Claims (6)
1. a kind of explosive temperature subtracts the rapid measurement device of prestige degree, including explosive, detonator and initiator it is characterised in that:Also wrap
Include quick-fried thermoelastic, described explosive is placed on through heating water bath and after being cooled to room temperature in quick-fried thermoelastic, and this explosive is risen by initiator
Ignite after quick-fried detonator.
2. a kind of explosive temperature according to claim 1 subtract prestige degree rapid measurement device 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, for simulating powder stick in high temperature blasthole
Water bath.
3. a kind of explosive temperature according to claim 2 subtract prestige degree rapid measurement device it is characterised in that:Described water-bath
The temperature regulating range of insulating box is between room temperature and 100 DEG C.
4. a kind of explosive temperature according to claim 1 subtract prestige degree rapid measurement device it is characterised in that:Described quick-fried heat
Bullet is used for the Explosive Heat after quick measurement heating water bath different time, and the full test dose of quick-fried thermoelastic is not less than 30g TNT
Equivalent.
5. a kind of explosive temperature according to any one of claim 1-4 subtract prestige degree rapid measurement device it is characterised in that:
Described explosive is emulsion.
6. a kind of explosive temperature according to claim 5 subtract prestige degree rapid measurement device it is characterised in that:Described emulsification
Explosive passes through physical sensitization agent or chemical sensitizer sensitization.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106053533A (en) * | 2016-07-20 | 2016-10-26 | 宏大矿业有限公司 | Device and method for rapidly measuring temperature power-attenuation degree of explosive |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106053533A (en) * | 2016-07-20 | 2016-10-26 | 宏大矿业有限公司 | Device and method for rapidly measuring temperature power-attenuation degree of explosive |
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