CN206627467U - One kind improves powder burning product conductive characteristic device - Google Patents
One kind improves powder burning product conductive characteristic device Download PDFInfo
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- CN206627467U CN206627467U CN201720410699.8U CN201720410699U CN206627467U CN 206627467 U CN206627467 U CN 206627467U CN 201720410699 U CN201720410699 U CN 201720410699U CN 206627467 U CN206627467 U CN 206627467U
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- connecting line
- powder
- conductive characteristic
- insulation tube
- burning product
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Abstract
The utility model discloses one kind to improve powder burning product conductive characteristic device, including：Hotair chamber, it is provided with connecting line, for producing high-temperature gas；Powder injection device, it is arranged on the connecting line, and for solid propellant grain to be sent into the connecting line, and high-temperature gas mixes with the powder grain in the connecting line；Multiple spray guns, it connects the connecting line simultaneously；Electromagnet, it connects the connecting line, for the solid propellant grain to be burnt；Insulation tube, it connects the connecting line, and the gas after burning enters conductivity testing device by the insulation tube；Wherein, 1%~5% sylvite additive is contained in the solid propellant grain.
Description
Technical field
It the utility model is related to Propellant combustion gas research field, and in particular to it is conductive special that one kind improves powder burning product
Property device.
Background technology
Magnetohydrodynamic generator is a kind of new-generation mode that chemical energy is converted into electric energy, has and starts fast, nothing turn
Dynamic component, the advantages that efficiency high.With the research and development of explosive driven MHD generator machine, domestic and international related scholar has found high explosive
Detonation can form high temperature, high pressure plasma in combustion chamber, and combustion gas has good electric conductivity.MHD companies of the U.S. are two
The sixties in tenth century have developed hydromagnetic generating device：Ionization seed is added on the compound powder column of C4 types, when externally-applied magnetic field is big
Small when being 2.8T, the generating maximum current of device reaches 260kA.Russia has carried out RDX/TNT detonation products electric conductivity
Research, its maximum conductivity is 2500S/m.It is 1.520g/cm that Beijing Institute of Technology's experiment, which measures TNT in density,3When combustion gas
Maximum conductivity be 18000S/m.
With the development of weapons science and technology, using the conductive characteristic of high-temperature product after powder burning, convert chemical energy
For electromagnetic energy, the realization for high power pulse generator or electromagnetic pulse weapon provides possibility.Therefore, combustion product is studied
Conductive characteristic, hold influence combustion product conductive characteristic factor and changing rule, to widen powder burning performance study neck
Domain and the energy conversion efficiency for improving Magnetohydrodynamic(MHD) generator have important theory and application value.
For air, its ionization potential is higher, and when temperature is less than 2000K, gas is hardly conductive.Fire
The temperature of medicine combustion gas generally only has 3000K or so, and therefore, gas is had high conductance at a lower temperature is one
Individual difficulties.
Utility model content
The utility model has designed and developed a kind of raising powder burning product conductive characteristic device, the purpose of this utility model
It is to solve the problems, such as that electromagnetic interference and high-temperature gas are sufficiently mixed uniform with powder in test process.
Technical scheme provided by the utility model is：
One kind improves powder burning product conductive characteristic device, it is characterised in that including：
Hotair chamber, it is provided with connecting line, for producing high-temperature gas；
Powder injection device, it is arranged on the connecting line, for solid propellant grain to be sent into the connecting tube
Road, and high-temperature gas mixes with the powder grain in the connecting line；
Multiple spray guns, it connects the connecting line simultaneously；
Electromagnet, it connects the connecting line, for the solid propellant grain to be burnt；
Insulation tube, it connects the connecting line, and the gas after burning enters conductivity testing device by the insulation tube；
Wherein, 1%~5% alkali metal salt additive is contained in the solid propellant grain.
Preferably, in addition to：
Air control switch valve, it is arranged at the gas outlet of the hotair chamber；
Mass flowmenter, its be arranged on the air control switch valve with install the powder injection device connecting line it
Between；
Platform, the spray gun is fixed by gun stand thereon, pipe holder fixes the insulation tube by insulating.
Preferably, the insulation tube is quartz glass insulation tube；And
The connecting line is DN10, PN10 stainless steel pipeline.
Preferably, the spray gun is arranged to 3.
Preferably, the alkali metal salt is potassium carbonate.
The utility model possessed beneficial effect compared with prior art：The utility model builds additive containing sylvite
Powder gas thermal ionization device, it is reduced electromagnetic interference in test process and high-temperature gas and alkali metal salt can be made
Additive agent powder is sufficiently mixed uniformly, burning gases is had high conductance at a lower temperature.
Brief description of the drawings
Fig. 1 is main structure diagram described in the utility model.
Fig. 2 is overlooking the structure diagram described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
In the utility model, wet body is produced by air heater, and forms gas-particle two-phase after being mixed with solid particle
Stream enters test barrel section, and plasma is injected in pipeline using low-temperature plasma spray gun body, by electromagnet in test body
Pipe is outer to apply magnetic field, studies conductive characteristic of the burning gases after gunpowder explosion under magnetic fields.
As shown in Figure 1 and Figure 2, the utility model has designed and developed a kind of raising powder burning product conductive characteristic device, its
Agent structure includes hotair chamber 110, powder injection device 120, multiple spray guns 130, electromagnet 140 and insulation tube 150；
Wherein, hotair chamber 110 is provided with connecting line, and for producing high-temperature gas, powder injection device 120 is arranged on connecting tube
Lu Shang, for solid propellant grain to be sent into connecting line, and high-temperature gas mixes with powder grain in connecting line, more
Individual spray gun 130 is connected on connecting line simultaneously, and electromagnet 140 is connected on connecting line, for solid propellant grain to be entered
Row burning, insulation tube 150 are connected on connecting line, and the gas after burning enters conductivity testing device by insulation tube 150；Its
In, 1%~5% sylvite additive is contained in solid propellant grain.
In another embodiment, in addition to：
Air control switch valve, it is arranged at the gas outlet of the hotair chamber；
Mass flowmenter, its be arranged on the air control switch valve with install the powder injection device connecting line it
Between.
In another embodiment, in addition to：Test platform 210, it is solid by multiple gun stands 131 on platform 210
Determine spray gun 130, pass through the fixed insulation pipe 150 of pipe holder 151 that insulate；Meanwhile in the present embodiment, test platform 210 is used for solid
Determine gas generator and test section, according to the characteristics of pilot system, testing equipment uses steel rigidity stand, according to generator and
The fixed of test section requires progress non-standard de-sign, and test platform 210 and the fixed form on ground are M20 foundation bolts or expanding screw
Bolt.Compliant section is designed on the supply line of generator to be adjusted, and because the temperature of tail gas is very high, kinetic energy is larger,
Directly discharge is than relatively hazardous, so needing to design cooling noise reduction link, the present embodiment uses sprays water tail gas closing in the duct
The method aspirated after cooling is handled.Exhaust temperature is controlled within 100 DEG C.
In another embodiment, insulation tube 150 is quartz glass insulation tube, connecting line DN10, PN10 stainless steel
Pipeline.
In another embodiment, spray gun 130 is arranged to 3, respectively spray gun 130a, spray gun 130b, spray gun 130c.
In another embodiment, sylvite is potassium carbonate.
In the utility model, from the combustion mechanism of solid gunpowder, gunpowder is mainly by tetra- kinds of element groups of C, H, O, N
Into.In combustion, the product of generation is mainly N2、CO、CO2、H2O etc..Because the combustion temperature of powder gas only has 3000K left
The right side, gas ionization degree is weaker, therefore, the relatively low compound potassium carbonate of a small amount of ionization potential, increase burning is added in gunpowder
The degree of ionization of product, the electric conductivity of combustion gas can be improved.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (5)
1. one kind improves powder burning product conductive characteristic device, it is characterised in that including：
Hotair chamber, it is provided with connecting line, for producing high-temperature gas；
Powder injection device, it is arranged on the connecting line, for solid propellant grain to be sent into the connecting line, and
And high-temperature gas mixes with the powder grain in the connecting line；
Multiple spray guns, it connects the connecting line simultaneously；
Electromagnet, it connects the connecting line, for the solid propellant grain to be burnt；
Insulation tube, it connects the connecting line, and the gas after burning enters conductivity testing device by the insulation tube；
Wherein, 1%~5% alkali metal salt additive is contained in the solid propellant grain.
2. powder burning product conductive characteristic device is improved as claimed in claim 1, it is characterised in that also include：
Air control switch valve, it is arranged at the gas outlet of the hotair chamber；
Mass flowmenter, it is arranged between the connecting line of the air control switch valve and the installation powder injection device；
Platform, the spray gun is fixed by gun stand thereon, pipe holder fixes the insulation tube by insulating.
3. powder burning product conductive characteristic device is improved as claimed in claim 1 or 2, it is characterised in that the insulation tube
For quartz glass insulation tube；And
The connecting line is DN10, PN10 stainless steel pipeline.
4. powder burning product conductive characteristic device is improved as claimed in claim 3, it is characterised in that the spray gun is arranged to
3.
5. powder burning product conductive characteristic device is improved as claimed in claim 4, it is characterised in that the alkali metal salt is
Potassium carbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720410699.8U CN206627467U (en) | 2017-04-19 | 2017-04-19 | One kind improves powder burning product conductive characteristic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720410699.8U CN206627467U (en) | 2017-04-19 | 2017-04-19 | One kind improves powder burning product conductive characteristic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206627467U true CN206627467U (en) | 2017-11-10 |
Family
ID=60205355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720410699.8U Expired - Fee Related CN206627467U (en) | 2017-04-19 | 2017-04-19 | One kind improves powder burning product conductive characteristic device |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908482A (en) * | 2017-04-19 | 2017-06-30 | 中国人民解放军装甲兵工程学院 | One kind improves powder burning product conductive characteristic device and its Conductivity Calculation method |
-
2017
- 2017-04-19 CN CN201720410699.8U patent/CN206627467U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908482A (en) * | 2017-04-19 | 2017-06-30 | 中国人民解放军装甲兵工程学院 | One kind improves powder burning product conductive characteristic device and its Conductivity Calculation method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20180419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |