A kind of economic benefits and social benefits perforating bullet and active material containing active material layerTechnical field
The invention belongs to well mining equipment or Material Field, specially a kind of economic benefits and social benefits perforating bullet containing active material layer andActive material.
Background technology
Conventional perforation bullet is made up of explosive, cavity liner and the part of shell case three.Wherein explosive is that perforating bullet acting and detonation are wornThe energy source in hole.High explosive is ignited by primacord first in perforation, and the high explosive after ignition is around fire point formation ballFace is spread, and with cone-shaped metal cavity liner meet at axis direction formation high-speed and high-temperature metal jet metal and rock are produced it is brokenFirst perforation is acted on, and it to form a hole or duct by all substances in movement locus are all squeezed, and high-speed and high-temperature metal is penetratedFlow its shock wave while perforation it is rapid to external diffusion produce very high pressure loading formed around duct thickness 6.4~12.7mm compaction band, the permeability of the compaction band be only it is original do not injure 30% of stratum or so, porosity is prime stratum80%, have impact on original aerogenesis passage, there are problems that perforation secondary compaction injury.
The content of the invention
For defect of the prior art and deficiency, it is an object of the invention to provide a kind of economic benefits and social benefits containing active material layerPerforating bullet and active material, active material layer are activated by the strong impact ripple that high explosive layer blast is produced；Due to lagging behind goldBelong to energy-gathering jetting, active material is follow-up to generation subsequent explosion, detonation or fast reaction heat release in perforation tunnel and deflates and dischargeEnergy.This second energy twice work doing in perforation tunnel can improve perforating bullet and wear depth and aperture, and play elimination perforation compactingBand is simultaneously made in duct and meets effect.
In order to solve the above technical problems, the technical scheme is that：
A kind of economic benefits and social benefits perforating bullet containing active material layer, including cavity liner, the high explosive being arranged successively from inside to outsideLayer and shell case, active material layer is set between high explosive layer and shell case.
Described active material layer cladding high explosive layer.
Or, between described active material layer insertion high explosive layer and shell case.
Again or, the end of the remote firing tip of described active material layer segment covering high explosive layer.
Specifically, between the firing tip of described active material layer segment covering high explosive layer and jet end.
Best, the height of described active material layer is the 10%~100% of shell case height, the thickness of active material layerFor 0.2mm~10mm.
It is also possible that the weight of the active material in described active material layer is the high explosive weight in high explosive layer5%~30%.
Best, described cavity liner is the cover body of cone, and shell case is the housing that inwall is class taper, the outer wall of shell caseIt is cylinder close to the big opening end of inwall class taper, the outer wall of shell case is trapezoidal, ladder close to the small openend of inwall class taperShape end is firing tip, and the center of firing tip has been provided with blast hole；
Cavity liner, high explosive layer, active material layer and shell case are mutually brought into close contact and are arranged.
A kind of active material, the active material includes oxidant, reducing agent and fluoropolymer；
By mass percentage：Oxidant 10%~90%, reducing agent 10%~90%, the summation of Oxidizing and Reducing AgentsFor 100%, the addition of fluoropolymer is the 0%~10% of Oxidizing and Reducing Agents total amount, not comprising end value 0%；
Oxidant includes potassium hyperchlorate, ammonium perchlorate, lithium perchlorate, perchloric acid strontium, potassium chlorate, sodium chlorate, potassium nitrate, nitreSour ammonium, sodium nitrate, barium nitrate, aluminum oxide, cupric oxide, cuprous oxide, iron oxide, ferrous oxide, ferroso-ferric oxide, magnesia,One kind in barium monoxide, manganese dioxide, nickel oxide, cobalt oxide, zinc oxide, lead oxide, brown lead oxide and lead orthoplumbate；
Reducing agent includes one kind in aluminium powder, nickel powder, magnesium powder, titanium valve and magnesium aluminum-alloy powder；
Fluoropolymer includes one kind in polytetrafluoroethylene (PTFE) and fluorubber.
It is preferred that, by mass percentage, the proportioning of oxidant, reducing agent and fluoropolymer can be：Oxidant is40%~80%, reducing agent is 20%~50%, and fluoropolymer is the 0%~10% of Oxidizing and Reducing Agents gross mass, noInclude 0% end value.
The present invention has the characteristics that compared with prior art：
1st, the present invention is simple in construction, compact, and it is convenient and safe and reliable to prepare, and is not susceptible to accident.
2nd, effective energy loss is small during acting of the invention, and perforating and fracturing effect is good.
3rd, perforating bullet of the present invention is in perforation, and active material is activated by the strong impact ripple that high explosive blast is produced；ByIn lagging behind metal energy-gathering jetting, active material is follow-up to generation subsequent explosion, detonation or fast reaction heat release in perforation tunnelDeflate and release energy.This second energy twice work doing in perforation tunnel can improve perforating bullet and wear depth and aperture, and plays and disappearMade except perforation compaction band and in duct and meet effect.
Brief description of the drawings
Fig. 1 contains the structural representation of the economic benefits and social benefits perforating bullet of active material for the first of the invention；
Fig. 2 is the structural representation of second of economic benefits and social benefits perforating bullet containing active material of the present invention；
Fig. 3 is the structural representation of the third economic benefits and social benefits perforating bullet for containing active material of the present invention；
Label is expressed as in figure：1- cavity liners, 2- high explosives layer, 3- active material layers, 4- shell cases, 4-1 rise blast hole,5- perforating bullets hollow section；
The present invention is illustrated below in conjunction with specification drawings and specific embodiments.
Embodiment
Economic benefits and social benefits perforating bullet containing active material, active material is pressed into after high density inertia anisotropic approach body and high energyExplosive substep press-fits, and the strong impact ripple produced that exploded by high explosive is activated；Due to lagging behind metal energy-gathering jetting, activityMaterial is follow-up to generation subsequent explosion, detonation or fast reaction heat release in perforation tunnel and deflates and release energy.This second energyTwice work doing can improve perforating bullet and wear depth and aperture in perforation tunnel, and plays elimination perforation compaction band and made in duct and meetEffect.
The economic benefits and social benefits perforating bullet of the present invention includes common piercing bullet and active material layer, and common piercing bullet includes cavity liner 1, bulletShell 4, rise blast hole 4-1 and high explosive layer the part such as 2, active material layer 3 with monoblock type, three kinds of forms of forward type and open flume type orAny combination of three kinds of forms is placed between shell case 4 and high explosive layer 2；Cavity liner 1, shell case 4, high explosive layer 2With the center line of active material layer 3 on the same line；
The active material is made up of oxidant, reducing agent and fluoropolymer.Oxidant includes：Potassium hyperchlorate, high chlorineSour ammonium, lithium perchlorate, perchloric acid strontium, potassium chlorate, sodium chlorate, potassium nitrate, ammonium nitrate, sodium nitrate, barium nitrate, aluminum oxide, oxidationCopper, cuprous oxide, iron oxide, ferrous oxide, ferroso-ferric oxide, magnesia, barium monoxide, manganese dioxide, nickel oxide, cobalt oxide,Zinc oxide, lead oxide, brown lead oxide, lead orthoplumbate etc.；Reducing agent includes：Aluminium powder, nickel powder, magnesium powder, titanium valve, magnesium aluminum-alloy powderDeng；Fluoropolymer includes：Polytetrafluoroethylene (PTFE), fluorubber etc.；Active material is uniform according to different proportion by above-mentioned three classes materialMixing compacting is formed.
The active material formulations (mass percent)：Oxidant 10%~90%, reducing agent 10%~90%, bothTotal amount is 100%, separately adds fluoropolymer 0%~10% (Oxidizing and Reducing Agents gross mass).Recommendation oxidant 40%~80%, reducing agent 20%~50% separately adds fluoropolymer 0%~10% (Oxidizing and Reducing Agents total amount)；
By taking aluminium powder and the reaction of potassium hyperchlorate system as an example：
4Al+2KClO4=2Al2O3+2KCl+O2+ Q (heat)
Fluoropolymer can be oxidized to gas by oxygen under high-temperature and high-pressure conditions, and these detonation gases can be to perforation tunnelActed on certain pressure break.
CaHbFn+O2→CO2+H2O+HF
CnF4n+O2→CO2+F2
The binding agent that functions as of polymer coats Oxidizing and Reducing Agents, is easy to compressing.
Active material layer height is the 10%~100% of shell case height.Active material layer bus is by curve, right cone, camber lineOr other line styles are constituted, curved portion is highly the 1/6~5/6 of active material layer height.
As shown in figure 1, the economic benefits and social benefits perforating bullet containing active material of the present invention includes common piercing bullet and active material, instituteStating common piercing bullet includes cavity liner, shell case and high explosive, and active material is with monoblock type, three kinds of forms of forward type and open flume typeOr the combining form of three kinds of forms is placed between shell case and high explosive.The cavity liner, shell case, high explosive and active materialThe center line of material is on the same line；The active material is by potassium hyperchlorate, ammonium perchlorate, aluminium powder, nickel powder, fluoropolymer etc.Active material is uniformly mixed.
Embodiment 1：
With reference to Fig. 1, the structure of the economic benefits and social benefits perforating bullet containing active material of the present embodiment includes：It is arranged successively from inside to outsideCavity liner 1, high explosive layer 2 and shell case 4, high explosive layer can be coated completely by being set between high explosive layer 2 and shell case 4Active material layer 3, the thickness of active material layer 3 is 0.8mm；Cavity liner 1 is the cover body of cone, the sky of the formation of cavity liner 1Between be perforating bullet hollow section 5, the volume of perforating bullet hollow section 5 is 32.6cm3；Shell case 4 is the housing that inwall is class taper, shell case4 outer wall is cylinder close to the big opening end of inwall class taper, and the outer wall of shell case 4 is close to the small openend of inwall class taperTrapezoidal, trapezoidal end is firing tip, and the center of firing tip has been provided with blast hole 4-1, the structure of class taper including by jet end toShell portion, conical section and the curved sections of firing tip, the height ratio between three sections are 1:8:7；
The making material of cavity liner 1 is copper base metal mixed-powder, and shell case 4 is steel shell case, and high explosive is RDX.
The high chlorine that the aluminium powder that the active material layer 3 of the present embodiment is 30% by percentage by weight is 70% with percentage by weightSour potassium is uniformly mixed, and follows the steps below preparation：
Step one, it is uniform to the particle surface of well mixed aluminium powder and potassium hyperchlorate using fluorubber as passivation coveringCladding, forms modeling powder, the addition of fluorubber is 2%~5%；
Step 2, is suppressed using profiling punch, according to the monolithic devices economic benefits and social benefits perforating bullet form shown in Fig. 1, and with speciallyThe active material layer suppressed is inserted into metal bullet case with mould；
Step 3, adds explosive in metal bullet case, will insert metal bullet case, explosive and the cavity liner pressure of active material layerThe economic benefits and social benefits perforating bullet containing active material is made.
4.8% can be improved using penetration depth after the economic benefits and social benefits perforating bullet operation containing active material described in embodiment 1,Aperture improves 3.5%, and making seam and de-plugging power has strengthened.
Embodiment 2：
As different from Example 1, active material layer 3 is according to the prefix type economic benefits and social benefits perforating bullet shape shown in Fig. 2 for the present embodimentFormula is suppressed, the end of the remote firing tip of the part of active material layer 3 covering high explosive layer 2, the thickness of active material layer 3For 7.3mm, the height of active material layer 3 is 8mm.
Other be the same as Examples 1.
4.5% can be improved using penetration depth after the economic benefits and social benefits perforating bullet operation containing active material described in embodiment 2,Aperture improves 3.7%, and making seam and de-plugging power has strengthened.
Embodiment 3：
As different from Example 1, active material layer 3 is according to the shaped grooved economic benefits and social benefits perforating bullet shape shown in Fig. 3 for the present embodimentFormula is suppressed, between the firing tip of the part of active material layer 3 covering high explosive layer 2 and jet end, the thickness of active material layer 3Spend for 3.6mm, the height of active material layer 3 is 25mm.
Other be the same as Examples 1.
4.2% can be improved using penetration depth after the economic benefits and social benefits perforating bullet operation containing active material described in embodiment 3,Aperture improves 4.0%, and making seam and de-plugging power has strengthened.
Embodiment 4：
The potassium hyperchlorate that the aluminium powder that active material layer 3 is 40% by percentage by weight is 60% with percentage by weight is uniformly mixedConjunction is made, other be the same as Examples 1.
3.0% can be improved using penetration depth after the economic benefits and social benefits perforating bullet operation containing active material described in embodiment 4,Aperture improves 3.5%, and making seam and de-plugging power has strengthened.
Embodiment 5：
The ammonium perchlorate that the nickel powder that active material layer 3 is 10% by percentage by weight is 90% with percentage by weight is uniformly mixedConjunction is made, other be the same as Examples 1.
3.8% can be improved using penetration depth after the economic benefits and social benefits perforating bullet operation containing active material described in embodiment 5,Aperture improves 3.3%, and making seam and de-plugging power has strengthened.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present inventionAny simple modification, change and equivalent structure transformation that technical spirit is made to above example, still fall within skill of the present inventionIn the protection domain of art scheme.