CN106767183A - A kind of gas blast device - Google Patents

Abstract

The invention discloses a kind of gas blast device, including inner tube, inner tube filled cavity, ignition mechanism, first inflation mechanism and outer tube, it is inner tube filled cavity in said inner tube, inner tube two ends are sealedly connected with the first inner sealing lid and the second inner sealing lid respectively, first inner sealing lid is connected with the second inner sealing lid by connector, the outer layer of inner tube is outer tube, the first sealing external cover and the second sealing external cover are sealedly connected between inner tube and outer tube, ignition mechanism and the first inflation mechanism are arranged on the first inner sealing lid, first sealing external cover is provided with the second inflation mechanism, annular seal space is outer tube filled cavity between said inner tube and outer tube, said inner tube filled cavity is filled with overcritical oxygen and carbonaceous organic material, the easy vapour of the liquid such as filling liquid carbon dioxide or liquid nitrogen in the outer tube filled cavity；The present invention has the advantages that low cost of manufacture, exothermal efficiency are high, Transport Safety is good and plasting damage effect is big.

Description

A kind of gas blast device

Technical field

The invention belongs to blaster technical field, more particularly to gas blast device.

Background technology

Gas blast technology, is that liquid or the solid matter gasification expansion for utilizing easily gasification produce gases at high pressure, makes surrounding Media expansion is done work, and causes to crush, with the flames of anger, it is safe efficient the characteristics of.

Carbon dioxide blaster is the typical explosive in gas blast technology, be widely used in mining industry, The industries such as geological prospecting, cement, steel, electric power, subway and tunnel and municipal works, Underwater Engineering and emergency management and rescue are speedily carried out rescue work In.

Existing gas blast device mainly includes vaporization liquid storage pipe and the heating trigger in vaporization liquid storage pipe；Hair The easy vapour gasification in liquid storage pipe will be vaporized after the igniting heating of thermal initiation device, and causes expansion to be exploded.

Trigger structure in existing gas blast device is mainly the chemical reactant of heat production by filling band mounted in gold In category webmaster, and heating wire is encapsulated in chemical reactant；(referenced patent document：Low-temperature gas blaster, notification number： CN2514304, publication date：2002.10.02)；This kind of trigger structure need to load in advance can occur the oxidant of exothermic reaction and Reducing agent, generally uses powdered Oxidizing and Reducing Agents, conventional oxidant have sulphur, potassium nitrate, potassium hyperchlorate and Potassium permanganate, conventional reducing agent has aluminium powder, carbon dust, wherein conventional reaction material is combined as sulphur, potassium nitrate and carbon dust, its is anti- The equation is answered to be：S+2KNO₃+3C=K₂S+N₂↑+3CO₂↑, black powder reaction is commonly called as, the cost of this kind of reaction material is relatively low.

Using the gas blast device of above-mentioned trigger structure, the problem for existing is：1st, the heat of required filling is anti-in trigger Should expect to carry out batch mixing, mix thoroughly, the processing of the process such as coiled strip or pack, load the time-consuming work consuming of process, manufacturing cost is larger；2、 In filling medicament process, easily there is the uneven problem of mixing to trigger in Oxidizing and Reducing Agents, causes exothermal efficiency relatively low；3、 Thermal response material need to be pre-mixed filling, and temperature drift easily triggers burning or explodes in transportation, with larger potential safety hazard； 4th, due to igniting the making moist of material, go bad or the situation of miso-fire easily occurs in the reason such as deformation, it is impossible to judge that miso-fire is which kind of is former Caused by, therefore can not be eliminated safe hidden trouble by arranging miso-fire mode；5th, existing gas blast device detonation way is lived using solid-state Agent burning produces high temperature, and direct heat conduction makes liquid carbon dioxide gasify and expand to liquid carbon dioxide, its liquid carbon dioxide Heat absorption efficiency it is relatively low；6th, the exotherm rate of trigger is slower, and medicament reaction is insufficient, and it is low that heat releases efficiency, after liquid object gasification Pressure it is less than normal, plasting damage effect is smaller；7th, after explosion, the reactant in trigger produces substantial amounts of content toxic and harmful, Such as hydrogen sulfide, sulfur dioxide, nitric oxide and nitrogen dioxide gas, bring larger murder by poisoning to pollute to blasting site.

Liquid-oxygen explosive is a class of mining explosive, is invented by German C. woodss moral within 1895.It is by liquid oxygen and solid-state The explosive mixture of flammable absorbent composition.The charging means of liquid-oxygen explosive exceptionally soak method and interior leaching method（With reference to periodical literature： The phases of research Beijing College of Iron and Steel Technology journal .1960 01 of liquid-oxygen explosive）, outer leaching method is the combustible that can draw liquid oxygen（Such as charcoal Black, the paper dregs of rice, wood chip etc.）Cylinder is rolled into, only in using preceding immersion liquid oxygen, liquid oxygen is filled in the hole for making combustible, so After be filled into borehole, and blocked, use blasting cap initiation；Interior leaching method is the combustible that can draw liquid oxygen（Such as carbon black, paper The dregs of rice, wood chip etc.）Cylinder is rolled into, is filled in borehole, and blocked, then the fill port by reserving is poured into borehole Liquid oxygen, then use blasting cap initiation（With reference to periodical literature：The phases of research Beijing College of Iron and Steel Technology journal .1960 01 of liquid-oxygen explosive；With And referenced patent document：A kind of liquid oxygen explosive composite and liquid-oxygen explosive, the patent No.：CN201310134136.7, publication date： 2013.07.10）.Liquid-oxygen explosive has：The characteristics of temperature increase rate is soon and the rapid spatial expansion time is short, its explosive force is high In the explosive force of the explosive of the surname nitre such as TNT.

However, the weak point that liquid-oxygen explosive is present is：1st, it can be only applied to open work and bridging of building the road, explosion are built Build, and cannot be used for the operation explosion such as tunnel and mine, because oxygen overflows during liquid-oxygen explosive explosion, mine can be caused Middle hole gas, coal-dust explosion are so as to cause accident；2nd, liquid-oxygen explosive must be with dress with being made generally in one hour after to use Fall, not so liquid oxygen volatilization will lose effect；3rd, liquid-oxygen explosive charging operation is complicated, and security is poor；4th, the explosion of liquid-oxygen explosive Temperature is too high, easily triggers burning.

Because liquid-oxygen explosive technology has above-mentioned deficiency, the research and development of liquid-oxygen explosive technology is limited to, at present, liquid Oxygen explosive technology is almost seldom employed.

In addition, existing gas blast device, when there is explosion, body easily splits into two sections, and the two ends termination split easily flies Go out；When gas blast device is used for top layer rock blasting, expanding gas release to upper end termination, cause to split the reduction of rock power；It is existing Have in blasting technique, in order to avoid port is lost heart, conventional way is to reserve the hole depth of more than 40cm in the aperture of blast hole, is used In landfill sandy soil, but this kind of filling mode be easily caused top layer rock cannot fragmentation, produce large rock mass, it is necessary to later-stage secondary is broken Rock.

The content of the invention

The purpose to be realized of the invention is：Design a kind of equal with simple, low cost of manufacture, reaction material mixing is processed Evenness is high, exothermal efficiency is high, Transport Safety is good, without miso-fire hidden danger, swelling heat absorption efficiency high, plasting damage effect be big, nonhazardous gas Body discharges and prevents the discouraged gas blast device in termination；To solve technical problem present in background technology.

To achieve these goals, the technical solution adopted in the present invention is：A kind of gas blast device, it is characterised in that： Including inner tube, inner tube filled cavity, ignition mechanism, the first inflation mechanism and outer tube, said inner tube inside is inner tube filled cavity, inner tube Two ends are sealedly connected with the first inner sealing lid and the second inner sealing lid respectively, and the outer layer of inner tube is outer tube, between inner tube and outer tube The first sealing external cover and the second sealing external cover are sealedly connected with, the first sealing external cover and the second sealing external cover are located at the two of outer tube End, the ignition mechanism and the first inflation mechanism are arranged on the first inner sealing lid or the second inner sealing lid；First sealing is outer The second inflation mechanism is installed on lid or the second sealing external cover；Annular seal space is outer tube filled cavity, institute between said inner tube and outer tube Inner tube filled cavity is stated filled with reducing agent and oxidant, the oxidant is overcritical oxygen, gases at high pressure oxygen or liquid oxygen, described Reducing agent is carbonaceous organic material or reproducibility elemental powders, filling liquid carbon dioxide or liquid nitrogen in the outer tube filled cavity Etc. the easy vapour of liquid；First inflation mechanism and the second inflation mechanism are high pressure fill valve or gases at high pressure check valve；Institute The first inner sealing lid is stated to be connected by connector with the second inner sealing lid.

Preferably, the connector is connecting rod, and the two ends of the connector are close with the first inner sealing lid and second respectively Envelope inner cap integrated connection or sealing riveting or threaded connection.

Preferably, the connector is connection steel wire, and knot is fastened in the first inner sealing lid and second in the two ends of connector respectively Inner sealing lid.

Preferably, the ignition mechanism includes that heating wire, wire, wire are perforated and sealing matrix, heating wire connecting wire, Sealing matrix axle center part is perforated for wire, and wire is sealed after being perforated through wire with sealing glue solidifying, and sealing matrix is close with first Envelope inner cap or the second inner sealing lid are tightly connected.

Preferably, said inner tube two ends respectively with the first inner sealing lid and the second inner sealing lid by threaded sealing structure, Seamless welding, sealing are glued or monoblock cast connection；Said inner tube passes through screw thread with the first sealing external cover and the second sealing external cover Sealing structure, seamless welding, sealing are glued or monoblock cast connection；The outer tube and the first sealing external cover and the second sealing external cover It is glued by threaded sealing structure, seamless welding, sealing or monoblock cast is connected.

Preferably, said inner tube two ends are connected with the first inner sealing lid and the second inner sealing lid by threaded sealing structure respectively Connect, the two ends port of inner tube is provided with sealing ring；Said inner tube is matched somebody with somebody with the first sealing external cover and the second sealing external cover by transition Close connection；The outer tube is connected with the first sealing external cover and the second sealing external cover by threaded sealing structure；First sealing external cover Sealing ring with the inwall of the second sealing external cover respectively with inner tube two ends is in sealing contact, for realizing the first sealing external cover and second Sealing external cover is tightly connected with inner tube.

Preferably, said inner tube and outer tube are carbon steel or stainless steel, and the two ends port of said inner tube is contracted by steel pipe Sealed bundle is connected on the outer layer of the first inner sealing lid and the second inner sealing lid respectively for mouthful processing mode；First sealing external cover and Second sealing external cover seals the two ends outer layer for being socketed in inner tube respectively；The two ends port of the outer tube is processed by steel pipe throat Mode sealed bundle is connected on the outer layer of the first sealing external cover and the second sealing external cover.

Preferably, the two ends port of said inner tube is connected in the first sealing by steel tube extrusion necking processing mode sealed bundle The outer layer of lid and the second inner sealing lid, the two ends port of the outer tube is connected on by steel tube extrusion necking processing mode sealed bundle The outer layer of the first sealing external cover and the second sealing external cover.

Preferably, the two ends port of said inner tube is connected in the first sealing by steel tube extrusion necking processing mode sealed bundle Necking processing mode sealed bundle is heated by steel pipe and is connected in the outer layer of lid and the second inner sealing lid, the two ends port of the outer tube The outer layer of the first sealing external cover and the second sealing external cover.

Preferably, one end of said inner tube and the first inner sealing lid be by the first pipe type rivet sealing riveting, inner tube it is another One end passes through the second pipe type rivet sealing riveting with the second inner sealing lid；One end of said inner tube passes through first with one end of outer tube Sealing external cover is riveted, and the other end of inner tube is riveted with the other end of outer tube by the second sealing external cover；First inner sealing lid middle part The first tubular rivet is provided with, the second inner sealing lid middle part is provided with the second tubular rivet；The top outer riveting of the first tubular rivet enters To the internal diameter layer of the first pipe type rivet, the top outer riveting of the first pipe type rivet enters the internal diameter layer in the first sealing external cover, second Tubular rivet top outer riveting enters the internal diameter layer to the second pipe type rivet, and the top outer riveting of the second pipe type rivet enters close second Seal the internal diameter layer of enclosing cover.

Preferably, the two ends outer layer of the outer tube is socketed with ring sleeve.

Preferably, the reducing agent is fibrous material.Fibrous material includes wood chip, paper scrap, staple.Using such also Former agent, after burning, reactant is carbon dioxide and steam, the effect with nonhazardous gas pollution.

Preferably, the reducing agent is reproducibility simple substance.Reproducibility simple substance includes carbon dust, aluminium powder, magnesium powder, iron powder or silicon Powder.

Preferably, the reducing agent is coal dust or carbon black.This kind of material cost is extremely low, and has stronger suction to overcritical oxygen Attached property, its heat of reaction release is big.

Preferably, the reducing agent is animal wool matter.This kind of material has stronger adsorptivity.

Preferably, the reducing agent is petrochemicals.The petrochemicals include kerosene, diesel oil, gasoline or Paraffin.

Preferably, the reducing agent is grease type product.The grease type product includes animal oil, vegetable oil or artificial oil Fat.

Preferably, the reducing agent is glucide.The glucide includes glucose, sucrose or starch.

Preferably, the reducing agent is alcohols material.The alcohols material includes ethanol, propyl alcohol or butanol.

Preferably, the reducing agent is hydrocarbons.The hydrocarbons include methane, ethane, propane, ethene, propylene, Acetylene or propine.

Preferably, catalyst is also filled with said inner tube filled cavity, the catalyst is ferroso-ferric oxide, three oxidations two At least one of iron, manganese dioxide, chromium oxide, cupric oxide, zinc oxide, nickel oxide, manganese sulfate, chromium sulfate or activated carbon.

Preferably, intensification agent is also filled with said inner tube filled cavity, the intensification agent is the one kind in aluminium powder or magnesium powder Or two kinds of mixing.

Preferably, the reducing agent is powdered, graininess, bar is thread or is pressed into bulk.

Preferably, the compression strength of said inner tube is more than 5.045Mpa.

Preferably, said inner tube is carbon steel cylinder or stainless steel cylinder, and one end of inner tube is glued or spiral shell by seamless welding, sealing Line Hermetical connecting structure connects the first inner sealing lid, and the other end of inner tube is glued by seamless welding, sealing or thread seal connects Binding structure connects the second inner sealing lid.

Preferably, said inner tube includes at least two metaisomers, is connected by helicitic texture between adjacent metaisomer Connect, and be combined with thread seal circle and sealed.

Preferably, said inner tube is cellulosic cylinder or the cylinder of the composite bed comprising Fiber Materials, one end sealing of said inner tube The first metal joint is wrapped with, the other end sealing of inner tube is wrapped with the second metal joint, and the connection first of the first metal joint is close Envelope inner cap, the second metal joint connects the second inner sealing lid.

Preferably, said inner tube is made of at least one material in glass fibre, aramid fiber or carbon fiber.

Preferably, said inner tube is made of the composite for including glass fibre, aramid fiber or carbon fiber.

Preferably, said inner tube is made of the composite of fiber and resin.

Preferably, said inner tube is the composite bed cylinder comprising Fiber Materials, and said inner tube includes fibrage and hardened layer, firmly Change the outer layer that layer is located at fibrage；Or said inner tube includes base layer, fibrage and hardened layer, hardened layer is located at fibrage Outer layer, base layer is located at the internal layer of fibrage.

Preferably, described matrix layer uses lucite or polyester fiber or polyethylene (PE) or polypropylene (PP) or soft At least one in silica gel material is made.

Preferably, the fibrage is using at least in carbon fiber or aramid fiber or glass fibre or grapheme material Plant and be made.

Preferably, the hardened layer uses UV curable pastes or epoxide-resin glue or instant glue or anaerobic adhesive or gypsum or water Mud.

Preferably, said inner tube is made of glass-reinforced plastic material, and said inner tube is interior with the first inner sealing lid and the second sealing Lid is glued by sealing.

Preferably, when said inner tube is using carbon steel cylinder, the wall thickness of its inner tube is 1mm to 10mm.

Preferably, when said inner tube uses composite fibre material, the wall thickness of inner tube is 0.5mm to 10mm.

Preferably, thread seal knot is passed through on the sealing matrix outer wall and the first inner sealing lid or the second inner sealing lid Structure, seamless welding or sealing bonding mode connection.

Preferably, threaded sealing structure is passed through on the sealing matrix outer wall and the first inner sealing lid or the second inner sealing lid Mode is connected, and the outer wall of the sealing matrix is provided with matrix external screw thread, is set on the first inner sealing lid or the second inner sealing lid Have the internal thread port matched with matrix external screw thread, matrix external screw thread is engaged with internal thread port, matrix external screw thread with it is interior Exterior seal ring is additionally provided between screw thread port.

Preferably, the electrode line of the wire is perforated by wire and derived, and the exposed junction of electrode line is positive pole connector, is led The negative line of line is connected to the bottom of sealing matrix, and the bottom of sealing matrix is provided with the negative contacts for connecting negative line, Sealing matrix is conducting metal body, and the top for sealing matrix is provided with negative lead head.

Preferably, the electrode line and negative line of the wire are perforated commonly through wire and are derived, electrode line and negative line Exposed junction is respectively positive pole connector and negative lead head.

Preferably, first inflation mechanism includes air-filled pore, valve rod and inflation valve seat, air-filled pore insertion inflation valve seat Bottom and top, air-filled pore middle part are lock air cavity, and valve rod is movably arranged in lock air cavity by helicitic texture, is provided with lock air cavity Ball sealer, and ball sealer is located at the bottom of valve rod, sealing matrix outer wall connects with the first inner sealing lid or the sealing of the second inner sealing lid Connect.

Preferably, the inflation valve seat is glued by seamless welding, sealing or thread seal is connected and is arranged on the first sealing On inner cap or the second inner sealing lid.

Preferably, the inflation valve seat thread seal is connected on the first inner sealing lid or the second inner sealing lid, charge valve Seat bottom outer wall is provided with valve seat external screw thread, and the first inner sealing lid or the second inner sealing lid are offered and be engaged with valve seat external screw thread Valve seat in screw socket, be provided with sealing ring between screw socket in valve seat external screw thread and valve seat.

Preferably, the inflation inlet of the air-filled pore is located at the top top surface of inflation valve seat, and valve rod is located at the top of inflation valve seat Portion side.

Preferably, the inflation inlet of the air-filled pore is located at the top side of inflation valve seat, and valve rod is located at the top of inflation valve seat Portion's top surface.

Preferably, the inflation inlet and valve rod of the air-filled pore are respectively positioned on the top top surface of inflation valve seat.

Preferably, first inflation mechanism uses one-way valve structures, including the second pedestal, the second valve pocket, the second valve body With the second stomata, the second stomata is located at the second block body axis portion in the heart, and the second valve pocket is located at the second pedestal axle center bottom, the second stomata The valve pocket of UNICOM second, is provided with the second valve body, upper surface palette the second valve pocket upper wall of the second valve body, second in the second valve pocket Valve pocket bottom is provided with the second lock screw, and the second lock screw middle part is hollow；The lower end of second valve body and the second locking Second spring is provided between screw；The outer wall seamless welding of second pedestal, sealing are glued or thread seal is connected to first Inner sealing lid or the second inner sealing lid.

Preferably, the second stomata top is provided with inner thread mouth, and inner thread mouth is threaded with sealing nut, is used for Realize Double layer locking gas.

Preferably, second valve body includes bonnet and push rod, and bonnet connects the lower end of push rod, bonnet upper surface sealing paste The second valve pocket upper wall is closed, air intake duct, push rod outer wall the second stomata of interference fits are provided with push rod axle center.

Preferably, second valve body includes bonnet, push rod and Bonnet seal circle, and bonnet connects the lower end of push rod, bonnet Upper surface coordinates the second stomata by Bonnet seal circle palette the second valve pocket upper wall, push rod gap.

Preferably, the outer tube is carbon steel cylinder or stainless steel cylinder.

Preferably, the outer tube is the multiple tube of fibre-bearing material, and the outer tube includes that outer seal of tube basic unit and outer tube are fine Dimension layer, outer tube fibrage is located at the outer layer of outer seal of tube basic unit, and one end of outer tube is connected with the first winding joint, outer tube it is another End is connected with the second winding joint；

Preferably, the outer wall top of the first winding joint is provided with and is mentioned for winding the first of fiber, the second winding The outer wall top of joint is provided with mentions for winding the second of fiber, and the outer wall bottom of the first winding joint is provided with use In the first boss for connecting outer seal of tube basic unit, the outer wall bottom of the second winding joint is provided with for connecting outer seal of tube base The second boss of layer.

Preferably, the top of first sealing external cover and the bottom of the second sealing external cover are respectively arranged with forward screw thread hole With reverse thread hole.

Preferably, the top external annulus of first inner sealing lid are provided with positive external screw thread, under the second inner sealing lid Portion's external annulus are provided with reverse external screw thread.

Preferably, the ignition mechanism and the first inflation mechanism are commonly mounted on the first inner sealing lid, second sealing Inner cap is provided with and is conductively connected head；The head that is conductively connected includes conductive core and insulating barrier, and insulating barrier is located at conductive core outer layer, institute Stating the second inner sealing lid middle part has for through the conductive fairlead for being conductively connected head, conductive fairlead to be sealed with head is conductively connected Connection；The conductive core for being conductively connected head is turned on the wire of ignition mechanism.

Preferably, the conductive fairlead coordinates with gap is conductively connected, the inwall of conductive fairlead be conductively connected Pass through sealant sealing between the outer wall of head.

Preferably, the conductive fairlead coordinates with gap is conductively connected, the inwall of conductive fairlead be conductively connected Sealed by sealing ring between the outer wall of head, conductive fairlead sets inner thread mouth, sealing ring is arranged on the bottom of inner thread mouth, Inner thread mouth is combined with perforation and tightens screw, and sealing ring tightens screw and compresses by perforation.

Preferably, the conductive core is positive pole contact pin and negative pole contact pin comprising mutually insulated.

Preferably, the outside aperture of the conductive fairlead is cathode contact face, and conductive core is positive pole contact pin.

Preferably, the face that the connector is contacted with inner tube filled cavity is referred to as edge surface, and the connector is naked to be exposed on the external Face be referred to as end face；Through there is through hole between edge surface and end face, through hole includes first port and second port, the Single port is located at edge surface, and second port end face, the first port installs the first inflation mechanism, first inflation mechanism It is gases at high pressure check valve, the ignition mechanism includes the perforation of heating wire, wire and wire, and heating wire connecting wire, wire is worn The first inner sealing lid is run through in hole, and wire is perforated through wire, and O-ring seal, second inner sealing lid are provided with wire perforation It is provided with and is conductively connected head, including conductive core and insulating barrier, insulating barrier is located at conductive core outer layer to the head that is conductively connected, described the Two inner sealing lids middle part has for through the conductive fairlead for being conductively connected head, the inwall of conductive fairlead be conductively connected head Sealed by sealing ring between outer wall, the conductive core for being conductively connected head is turned on the wire of ignition mechanism.

Overcritical oxygen refers to that oxygen is in critical-temperature（- 118.57 DEG C) and critical pressure（5.043MP）More than, between gas Fluid oxygen and liquid between, has the double properties and advantage of gas liquid concurrently；To there is burning in overcritical oxygen anti-with carbon organic matter At once, with the effect of high temperature hyperpyrexia.

Blaster of the present invention, is pre-placed reducing agent in its inner tube filled cavity, reducing agent is solid-state or liquid, Gu State reducing agent can be that powdered, graininess or bar are thread；In transportation, anaerobic agent in inner tube filled cavity, therefore transport During electrostatic or temperature drift will not trigger combustion explosion；When demolition site is used, by using its first inflator Structure fills overcritical oxygen, gases at high pressure oxygen or liquid oxygen, and oxygen molecule can be adsorbed uniformly on reducing agent surface, by right after filling Its ignition mechanism is powered, and heats heating wire, lights the reaction material in inner tube filled cavity.

In addition, in above-mentioned optimization structure, by the way of two metaisomers are assembled, its reducing agent can be therefrom for inner tube Portion is put into, and has the advantages that to be easy to powder charge.Composite bed cylinder of the inner tube using cellulosic cylinder or comprising Fiber Materials, due to undulation degree The tensile strength of matter is larger, wherein, the tensile strength of carbon fiber reaches more than 3500MPa, and the tensile strength of aramid fiber reaches 5000- 6000MPa, in 2500MPa or so, the tensile strength of polyester fiber reaches more than 500MPa for the tensile strength of glass fibre, and carbon steel The tensile strength of steel is universal in 345MPa or so, therefore can substitute existing carbon steel completely to high pressure gas, high pressure liquid or liquefied gas Enter row constraint；Using Fiber Materials, the wall thickness of housing can be reduced, meanwhile, Fiber Materials density is small, can largely reduce shell The weight of body, and reduce the manufacturing cost of housing.

Existing blaster, the Oxidizing and Reducing Agents of its trigger is solid, need to mix in process of production, and Bulk is made, or is loaded with belt body；Trigger in blaster of the present invention, loads reducing agent in advance in its filled cavity, and Pass through the first inflation mechanism pressurising excess of imports critical dissolved oxygen, high-pressure gaseous oxygen or liquid oxygen at the scene（Oxidant）；It is of the present invention Blaster, its trigger in production process without being pre-charged with compound（Reaction material）, be avoided that compound production, storage and Because friction, high temperature, electrostatic trigger burning or explode, frame mode of the invention avoids the peace that transportation is brought to transportation Full hidden danger.

Existing blaster, its trigger is mainly carries out the reaction material packed after batch mixing using solid-state reactants Bag, is not effectively sealed and protection against the tide, against shock, high temperature-proof, antifriction treatment, easily occur reaction material make moist, reaction material Strip off to separate with heating wire and there is a problem of gap, cause to produce miso-fire；Blaster of the present invention is super in its filled cavity In reducing agent, overcritical oxygen uniformly mixes critical dissolved oxygen uniform adsorption with reducing agent, and heating wire is equal by overcritical oxygen and reducing agent Even attached collection, 100% detonation can be realized when igniting, and can be prevented effectively from the generation of miso-fire.

Existing blaster, reaction material needs to mix under low temperature environment in its trigger, and for solid granulates mix, its mixing There is larger limitation in the uniformity, after detonation, its reaction speed is slower, and the adequacy of reaction is poor, there is substantial amounts of residual, heat Energy release efficiency is below 40%；Blaster of the present invention, has the double properties of gas and liquid concurrently due to overcritical oxygen, After reducing agent in filled cavity adsorbs overcritical oxygen, can jointly be flowed with overcritical oxygen with the molecular state for dissolving, overcritical oxygen Mix with reducing agent high uniformity, fully reaction can be realized in the short time after the ignition that is powered, heat energy release efficiency is high.

It is existing by the way of activator ignition, it is necessary in process of production, activator component is prepared in advance, it is typically high The strong reductant such as the strong oxidizers such as potassium chlorate and aluminium powder, it is necessary to weigh, batch mixing, stirring, type processed；Frame mode of the invention, leads to Cross and be filled with overcritical oxygen to filled cavity, make overcritical oxygen absorption on reducing agent, save conventional detonator devices（Activator）Production During required batch mixing, spice, the production technology of type processed；Meanwhile, potassium hyperchlorate, potassium permanganate are used using overcritical oxygen ratio It is lower with al powder mixt cost.

Existing blaster, after its trigger ignites, during the course of the reaction, its reaction heat continues to be conducted to periphery, conduction To in the liquid carbon dioxide on periphery, and heat is outwards spread by surrounding liquid carbon dioxide, this kind of conduction process, carbon dioxide Temperature distributing disproportionation, heat absorption efficiency is relatively low, and carbon dioxide gasification expansion pressure is relatively low；Blaster of the present invention, it draws In quick-fried device there is seal casinghousing constraint in reaction material, and its reaction material can occur sufficient exothermic reaction under the constraint of seal casinghousing, Reacting the high temperature and high pressure gas thing for producing causes housing moment to burst, and is instantaneously mixed into liquid carbon dioxide, HTHP Gas mixes with carbon dioxide moment, realizes carbon dioxide moment endothermic gasification, this kind of detonation way, relative to existing, its The heat absorption speed of liquid carbon dioxide is fast, and heat absorption efficiency is high, and the heat that its trigger is produced can sufficiently by liquid carbon dioxide Absorb, can largely lift gas blaster plasting damage effect.

Blaster of the present invention, its reaction material can fully react, and product can realize fully oxidized, its reaction product Thing is mainly nontoxic gas, pollution-free to demolition site, can effectively reduce the poisoning hidden danger of field personnel, realizes Safety blasting, it is pollution-free, produced without toxic and harmful, at once can construction operation after explosion.

Gas blast device of the present invention combines traditional gas blast technology and liquid-oxygen explosive technology, compared to biography The gas blast device of system, largely improves plasting damage effect, compared to traditional liquid-oxygen explosive, solves liquid-oxygen explosive and deposits High risk and use environment limitation.

Gas blast device of the present invention can realize regulation and control explosion tail by adjusting the content of overcritical oxygen in filled cavity Oxygen content in gas, can be used for enclosed environment（Mine, tunnel）Explosion and gas area explosion, compare conventional carbon dioxide Blaster has the advantages that power is big, pollution-free and security is good, and avoids closing the asphyxia hidden danger of blasting environment.

After explosion, outer tube is broken gas blast device of the present invention by expansion air pressure, but in the company of connector Connect under effect, two ends termination still keeps connecting, the phenomenon that termination will not be caused to fly out, during explosion filling, blast hole Filling out husky thickness only needs the 5-15cm, top layer rock by explosion fragmentation, effectively to prevent the generation of large rock mass.

Beneficial effect：Gas blast utensil of the present invention has that processing is simple, low cost of manufacture, reaction material are well mixed Degree is high, exothermal efficiency is high, Transport Safety is good, without miso-fire hidden danger, swelling heat absorption efficiency high, plasting damage effect be big, nonhazardous gas Discharge, prevent the discouraged advantage in termination.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the embodiment of the present invention 1；

Fig. 2 is the structural representation of ignition mechanism 3 in the embodiment of the present invention 1；

Fig. 3 is the structural representation of the first inflation mechanism 4a in the embodiment of the present invention 1；

Fig. 4 is the structural representation of inner tube 1 of the embodiment of the present invention 2；

Fig. 5 is the structural representation of inner tube 1 of the embodiment of the present invention 3；

Fig. 6 is the structural representation of the first inflation mechanism 4a in the embodiment of the present invention 4；

Fig. 7 is the structural representation of the first inflation mechanism 4a in the embodiment of the present invention 5；

Fig. 8 is the structural representation of ignition mechanism 3 in the embodiment of the present invention 6；

Fig. 9 is the structural representation of the first inflation mechanism 4a in the embodiment of the present invention 7；

Figure 10 is the structural representation of the first inflation mechanism 4a in the embodiment of the present invention 11；

Figure 11 is the structural representation of the first inflation mechanism 4a in the embodiment of the present invention 12；

Figure 12 is overall structure diagram in the embodiment of the present invention 13；

Figure 13 be the embodiment of the present invention 14 in be conductively connected first 62 attachment structure schematic diagram；

Figure 14 be the embodiment of the present invention 14 in be conductively connected first 62 structural representation；

Figure 15 is the mounting connection structure schematic diagram of the embodiment of the present invention 15；

Figure 16 is the mounting connection structure schematic diagram of the embodiment of the present invention 16；

Figure 17 is the first dimensional structure diagram mentioned in the embodiment of the present invention 17；

Figure 18 is the overall structure diagram of the embodiment of the present invention 18；

Figure 19 is the structural representation of ignition mechanism 3 in the embodiment of the present invention 18；

Figure 20 be the embodiment of the present invention 18 in be conductively connected first 62 structural representation；

Figure 21 is the overall structure diagram of the embodiment of the present invention 19；

Figure 22 is the overall structure diagram of the embodiment of the present invention 20；

Figure 23 is the first inner sealing lid 6a structural representations in the embodiment of the present invention 20；

In figure：1 is inner tube, and 11 is the first metaisomer, and 12 is the second metaisomer, and 13 is thread seal circle, and 111 connect for the first metal Head, 112 is the first metal joint, and 101 is base layer, and 102 is fibrage, and 103 is hardened layer；2 is inner tube filled cavity；3 is a little Lighter structure, 311 is heating wire, and 312 is wire, and 313 perforate for wire, and 3131 is O-ring seal, and 314 is sealing matrix, 3141 It is matrix external screw thread, 3142 is internal thread port, and 3143 is exterior seal ring, and 3121 is electrode line, and 3123 is positive pole connector, 3122 is negative line, and 3125 is negative contacts, and 3124 is negative lead head；4a is the first inflation mechanism, and 41 is air-filled pore, 42 It is valve rod, 43 is inflation valve seat, and 411 is lock air cavity, and 421 is ball sealer, and 44 is valve seat external screw thread, and 45 is screw socket, 46 in valve seat It is sealing ring, 401 is the second pedestal, and 402 is the second valve pocket, and 403 is the second valve body, and 404 is the second stomata, and 4031 is the second bullet Spring, 4032 is the second lock screw, and 4041 is inner thread mouth, and 4042 is sealing nut, and 4033 is bonnet, and 4034 is push rod, 4035 is air intake duct, and 4036 is Bonnet seal circle；4b is the second inflation mechanism；5 is outer tube, and 501 is outer seal of tube basic unit, 502 It is outer tube fibrage, 511 is the first winding joint, and 512 is the second winding joint, and 5111 mention for first, and 5121 hang for first Tooth, 5112 is first boss, and 5122 is second boss, and 52 is ring sleeve；6a is the first inner sealing lid, and 61a is just outside spiral shell Line, 62 to be conductively connected head, and 621 is conductive core, and 622 is insulating barrier, and 63 is conductive fairlead, and 64 is sealing ring, and 631 is interior spiral shell Line mouthful, 632 tighten screw for perforation；6b is the second inner sealing lid, and 61b is reverse external screw thread, and 611 is riffled tube；601 is One inner layer surface, 602 is the first outer layer surface, and 603 is the first installation cavity, and 604 is the second installation cavity, and 605 is first interface；7a is One sealing external cover, 71a is forward screw thread hole；7b is the second sealing external cover, and 71b is reverse thread hole, and 711 is screw rod；

721 is the first anchor ring, and 722 is the second anchor ring, and 723 is the 3rd anchor ring, and 724 is the 4th anchor ring；

8 is outer tube filled cavity；9 is connector, and 91 is edge surface, and 92 is end face, and 93 is through hole, and 931 is first port, 932 is second port；M1 is the first pipe type rivet, and m2 is the second pipe type rivet, and m3 is the first tubular rivet, and m4 is second hollow Rivet.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described；Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

Embodiment 1

A kind of gas blast device, as shown in figure 1, including inner tube 1, inner tube filled cavity 2, ignition mechanism 3, the first inflation mechanism 4a and Outer tube 5, is inner tube filled cavity 2 in said inner tube 1, and the two ends of inner tube 1 are sealedly connected with the first inner sealing lid 6a and second close respectively Envelope inner cap 6b, the first inner sealing lid 6a are connected with the second inner sealing lid 6b by connector 9, and the outer layer of inner tube 1 is outer tube 5, interior The first sealing external cover 7a and the second sealing external cover 7b, the first sealing external cover 7a and second close are sealedly connected between pipe 1 and outer tube 5 Envelope enclosing cover 7b is located at the two ends of outer tube 5；

Annular seal space is outer tube filled cavity 8 between said inner tube 1 and outer tube 5, and said inner tube filled cavity 2 is filled with reducing agent and oxidation Agent, the oxidant is overcritical oxygen, gases at high pressure oxygen or liquid oxygen, and the reducing agent is carbonaceous organic material or reproducibility simple substance Powder, the easy vapour of the liquid such as filling liquid carbon dioxide or liquid nitrogen in the outer tube filled cavity 8；

The ignition mechanism 3 is electric igniter；The first inflation mechanism 4a and the second inflation mechanism 4b be high pressure fill valve or Gases at high pressure check valve；

The two ends of said inner tube 1 are connected with the first inner sealing lid 6a and the second inner sealing lid 6b by threaded sealing structure respectively, interior The two ends port of pipe 1 is provided with sealing ring；Said inner tube 1 is matched somebody with somebody with the first sealing external cover 7a and the second sealing external cover 7b by transition Close connection；The outer tube 5 is connected with the first sealing external cover 7a and the second sealing external cover 7b by threaded sealing structure；First sealing Sealing ring of the inwall of enclosing cover 7a and the second sealing external cover 7b respectively with the two ends of inner tube 1 is in sealing contact, for realizing the first sealing Enclosing cover 7a and the second sealing external cover 7b is tightly connected with inner tube 1；

The first inner sealing lid 6a is connected with the second inner sealing lid 6b by connector 9；The connector 9 is connection steel Knot is fastened respectively in the first inner sealing lid 6a and the second inner sealing lid 6b in silk, the two ends of connector 9.

As shown in Fig. 2 the ignition mechanism 3 is arranged on the first inner sealing lid 6a, the ignition mechanism 3 includes heating wire 311st, wire 312, wire perforation 313 and sealing matrix 314, the connecting wire 312 of heating wire 311, sealing the axle center part of matrix 314 is Wire perforation 313, wire 312 is sealed through wire perforation 313 with sealing glue solidifying；The sealing outer wall of matrix 314 is close with first Envelope inner cap 6a is connected by threaded sealing structure mode；The outer wall of the sealing matrix 314 is provided with matrix external screw thread 3141, the One inner sealing lid 6a is provided with the internal thread port 3142 matched with matrix external screw thread 3141, and sealing matrix 314 passes through matrix External screw thread 3141 and the cooperation of internal thread port 3142, on the first inner sealing lid 6a, seal matrix 314 and first and seal Exterior seal ring 3143 is also combined between inner cap 6a, makes sealing matrix 314 realize being tightly connected with the first inner sealing lid 6a；It is described The electrode line 3121 of wire 312 is derived by wire perforation 313, and the exposed junction of electrode line 3121 is positive pole connector 3123, is led The negative line 3122 of line 312 is connected to the bottom of perforated screw 3133, and the bottom of perforated screw 3133 is provided with negative for connecting The negative contacts 3125 of polar curve 3122, sealing matrix 314 is conducting metal body, and the top for sealing matrix 314 is provided with negative pole company Connector lug 3124.

As shown in figure 3, the first inflation mechanism 4a includes air-filled pore 41, valve rod 42 and inflation valve seat 43, air-filled pore 41 The bottom and top of valve seat 43 are inflated in insertion, and the middle part of air-filled pore 41 is lock air cavity 411, and valve rod 42 is installed by helicitic texture activity In lock air cavity 411, ball sealer 421 is provided with lock air cavity 411, and ball sealer 421 is located at the bottom of valve rod 42, for realizing filling The dense block gas of stomata 41, valve rod 42 passes through to be screwed onto or screw out the opening and closing of control air-filled pore 41；The charge valve 43 thread seals of seat are connected to the second inner sealing lid 6b, and the inflation bottom outer wall of valve seat 43 is provided with valve seat external screw thread 44, and second is close Envelope inner cap 6b offers screw socket 45 in the valve seat being engaged with valve seat external screw thread 44, valve seat external screw thread 44 and screw socket 45 in valve seat it Between be provided with sealing ring 46；The inflation inlet of the air-filled pore 41 is located at the top top surface of inflation valve seat 43, and valve rod 42 is located at charge valve The top side of seat 43；Using the frame mode, from top inflatable, and lock gas is carried out from side twisting valve rod 42.

Further there is explanation, the second inflation mechanism 4b and above-mentioned first inflation mechanism as above-mentioned implementation method The structure of 4a is identical.

Further there is explanation as above-mentioned implementation method, the inflation mechanism 4a of the ignition mechanism 3 and first pacifies respectively Mounted in the first inner sealing lid 6a and the second inner sealing lid 6b；The second inflation mechanism 4b is arranged on the first sealing external cover 7a.

Further there is explanation as above-mentioned implementation method, the implementation size of said inner tube 1 is：Wall thickness be 1mm, Interior diameter is 10mm, the length of inner tube 1 is 200mm；Or, wall thickness is 2mm, interior diameter is 20mm, the length of inner tube 1 is 1000mm；Or, wall thickness is 4mm, interior diameter is 40mm, the length of inner tube 1 is 2000mm；Or, wall thickness is 10mm, interior diameter are 80mm, the length of inner tube 1 is 5000mm.

Further there is explanation as above-mentioned implementation method, in implementation process, said inner tube filled cavity 2 is first pre-placed Then solid state reduction agent, its solid state reduction agent, is filled with liquid oxygen in demolition site, surpasses for powdered by the first inflation mechanism Critical dissolved oxygen or high-pressure gaseous oxygen.

Further there is explanation as above-mentioned implementation method, the reducing agent is wood chip, paper scrap, cotton, coal dust, carbon black Or at least one in carbon dust.

Further there is explanation as above-mentioned implementation method, the reducing agent is powdered, is filled into inner tube filled cavity 2 It is interior.

Catalyst is also filled with as further having in explanation, said inner tube filled cavity 2 for above-mentioned implementation method, it is described Catalyst is ferroso-ferric oxide（Fe₃O₄）, di-iron trioxide（Fe₂O₃）, manganese dioxide（MnO₂）In at least one.

Intensification agent is also filled with as further having in explanation, said inner tube filled cavity 2 for above-mentioned implementation method, it is described Intensification agent is one or two mixing in aluminium powder or magnesium powder.

Blaster described in the present embodiment, can be prevented effectively from need to be pre-charged with reactant mixing in trigger production process Material, so as to eliminate potential safety hazard present in transportation；Meanwhile, batch mixing, the spice process of reaction material can be saved, and it reacts Material mixing is more uniformly distributed；Additionally, with reaction temperature higher and heat production, can largely strengthen the explosion of gas blast device Power.

Embodiment 2

Difference from Example 1 is：As shown in figure 4, said inner tube 1 includes the first metaisomer 11 and the second metaisomer 12, First metaisomer 11 is attached with the second metaisomer 12 by helicitic texture, and is combined with thread seal circle 13 and is sealed； The first inner sealing lid 6a and the second inner sealing lid 6b are connected to the both sides of the first metaisomer 11 and the second metaisomer 11 End.

Using the embodiment implementation method, when filling solid material to its inner tube 1, by the first metaisomer 11 and the second merogenesis Body 12 is turned on, and is integrally put into from middle part, and by the first metaisomer 11 and the twist of the second metaisomer 12 after placement, this kind of structure is easy to dress Medicine.

Embodiment 3

Difference from Example 1 is：As shown in figure 5, said inner tube 1 is the composite bed cylinder comprising Fiber Materials, it is described interior Pipe 1 includes being followed successively by from inside to outside：Base layer 101, fibrage 102 and hardened layer 103；One end sealing looping of said inner tube 1 The other end sealing for having the first metal joint 111, inner tube 1 is wrapped with the second metal joint 112, and the first metal joint 111 is connected First inner sealing lid 6a, the second metal joint 112 connects the second inner sealing lid 6b；First metal joint 111 and the second metal connect First 112 bottom is outwardly, it is to avoid come off with inner tube 1.

Further there is explanation as above-mentioned implementation method, described matrix layer 101 uses polyethylene (PE) material；It is described Fibrage 102 uses glass fiber material；The hardened layer 103 adopts epoxy resin glue material.

Further there is explanation as above-mentioned implementation method, the implementation size of said inner tube 1 is：Wall thickness is 0.5mm, interior diameter are 10mm, the length of inner tube 1 is 200mm；Or, wall thickness is 1mm, interior diameter is 20mm, inner tube 1 Length is 1000mm；Or, wall thickness is 2mm, interior diameter is 40mm, the length of inner tube 1 is 2000mm；Or, barrel is thick Spend for 10mm, interior diameter be 80mm, inner tube 1 length be 5000mm.

Because the tensile strength of glass fibre is in 2500MPa or so, and the tensile strength of carbon steel steel is universal in 345MPa Left and right, therefore existing carbon steel can be substituted completely row constraint is entered to high pressure gas, high pressure liquid or liquefied gas, meanwhile, in identical resistance to compression Under design, the thickness of Fiber Materials housing is less than carbon steel material thickness of shell.

Using above-described embodiment implementation method, can largely reduce case weight, while reducing manufacturing cost.

Embodiment 4

It is with embodiment 1 or 2 or 3 differences：As shown in fig. 6, the first inflation mechanism 4a includes air-filled pore 41, valve rod 42 inflate the bottom and top of valve seat 43 with inflation valve seat 43, the insertion of air-filled pore 41, and the middle part of air-filled pore 41 is to lock air cavity 411, valve Bar 42 is movably arranged in lock air cavity 411 by helicitic texture, and ball sealer 421, and ball sealer 421 are provided with lock air cavity 411 In the bottom of valve rod 42, the dense block gas for realizing air-filled pore 41, valve rod 42 is by being screwed onto or screwing out control air-filled pore 41 opening and closing；The inflation thread seal of valve seat 43 is connected to the first inner sealing lid 6a or the second inner sealing lid 6b, fills The bottom outer wall of air valve seat 43 is provided with valve seat external screw thread 44, and the first inner sealing lid 6a or the second inner sealing lid 6b are offered and valve seat Screw socket 45 in the valve seat that external screw thread 44 is engaged, is provided with sealing ring 46 between screw socket 45 in valve seat external screw thread 44 and valve seat；It is described The inflation inlet of air-filled pore 41 is located at the top side of inflation valve seat 43, and valve rod 42 is located at the top top surface of inflation valve seat 43.

Embodiment 5

It is with embodiment 1 or 2 or 3 differences：As shown in fig. 7, the first inflation mechanism 4a uses one-way valve structures, bag Include, including the second pedestal 401, the second valve pocket 402, the second valve body 403 and the second stomata 404, the second stomata 404 is positioned at second The axle center top of body 401, the second valve pocket 402 is located at the axle center bottom of the second pedestal 401, the second valve pocket of UNICOM 402 of the second stomata 404, The second valve body 403, the upper wall of the second valve pocket of upper surface palette 402 of the second valve body 403, second are provided with second valve pocket 402 The bottom of valve pocket 402 is provided with the second lock screw 4032, and the middle part of the second lock screw 4032 is hollow；Second valve body 403 Second spring 4031 is provided between lower end and the second lock screw 4032；The outer wall seamless welding of second pedestal 401, sealing It is glued or thread seal is connected to the first inner sealing lid 6a or the second inner sealing lid 6b；The top of second stomata 404 is provided with Inner thread mouth 4041, inner thread mouth 4041 is threaded with sealing nut 4042, for realizing Double layer locking gas.

Using the embodiment implementation method, its gas replenishment process is time-consuming few, is held one's breath without twisting valve rod manually, it is adaptable to flowing water Formula automation inflation.

Embodiment 6

It is with embodiment 1 or 2 or 3 differences：As shown in figure 8, the ignition mechanism 3 be arranged on the first inner sealing lid 6a or Second inner sealing lid 6b, the ignition mechanism 3 includes heating wire 311, wire 312, wire perforation 313 and sealing matrix 314, electricity The connecting wire 312 of heated filament 311, sealing matrix 314 axle center part is wire perforation 313, and wire 312 is used in combination through wire perforation 313 Sealing glue solidifying is sealed, and the sealing outer wall of matrix 314 and the first inner sealing lid 6a or the second inner sealing lid 6b pass through thread seal knot Structure mode is connected；The outer wall of the sealing matrix 314 is provided with matrix external screw thread 3141, and the first inner sealing lid 6a is provided with and base The internal thread port 3142 that extracorporeal thread 3141 matches, sealing matrix 314 is by matrix external screw thread 3141 and internal thread port 3142 cooperation, on the first inner sealing lid 6a, the sealing inner sealing lid 6a of matrix 314 and first is also combined with exterior seal ring 3143, make sealing matrix 314 realize being tightly connected with the first inner sealing lid 6a；The electrode line 3121 and negative pole of the wire 312 Line 3122 is derived commonly through wire perforation 313, and the exposed junction of electrode line 3121 and negative line 3122 is respectively positive pole connector 3123 and negative lead first 3124.

Embodiment 7

It is with embodiment 1 or 2 or 3 differences：As shown in figure 9, the first inflation mechanism 4a includes air-filled pore 41, valve rod 42 inflate the bottom and top of valve seat 43 with inflation valve seat 43, the insertion of air-filled pore 41, and the middle part of air-filled pore 41 is to lock air cavity 411, valve Bar 42 is movably arranged in lock air cavity 411 by helicitic texture, and ball sealer 421, and ball sealer 421 are provided with lock air cavity 411 In the bottom of valve rod 42, the dense block gas for realizing air-filled pore 41, valve rod 42 is by being screwed onto or screwing out control air-filled pore 41 opening and closing；The inflation thread seal of valve seat 43 is connected to the first inner sealing lid 6a or the second inner sealing lid 6b, fills The bottom outer wall of air valve seat 43 is provided with valve seat external screw thread 44, and the first inner sealing lid 6a or the second inner sealing lid 6b are offered and valve seat Screw socket 45 in the valve seat that external screw thread 44 is engaged, is provided with sealing ring 46 between screw socket 45 in valve seat external screw thread 44 and valve seat；It is described The inflation inlet and valve rod 42 of air-filled pore 41 are respectively positioned on the top top surface of inflation valve seat 43.

Using above-described embodiment structure, its inflation is respectively positioned on top, is easy to operation with the operating point of lock gas.

Embodiment 8

Difference from Example 3 is：Said inner tube 1 is the combined housing comprising fiber and resin material, in manufacturing process, Mesh casing skeleton first is made using fiber, resin glue is reused and is sprayed in mesh casing, rear formation to be hardened includes fiber With the combined housing of resin.

Further there is explanation as above-mentioned implementation method, the fibrous material is carbon fiber, and the resin material is Epoxide-resin glue.

Because the tensile strength of carbon fiber reaches more than 3500MPa, the tensile strength compared with glass fibre is high, in identical resistance to compression Under design, the thickness of carbon fibre materials housing is less than glass fibre material thickness of shell.

Embodiment 9

Difference from Example 3 is：Said inner tube 1 is the combined housing comprising carbon fiber and epoxy resin glue material, system During making, mesh casing skeleton first is made using carbon fiber, reuses epoxide-resin glue and be sprayed in mesh casing, it is to be hardened The combined housing comprising fiber and resin is formed afterwards.

Because the tensile strength of carbon fiber reaches more than 3500MPa, the tensile strength compared with glass fibre is high, in identical resistance to compression Under design, the thickness of carbon fibre materials housing is less than glass fibre material thickness of shell.

Embodiment 10

Difference from Example 3 is：Said inner tube 1 is the combined housing comprising aramid fiber and epoxy resin glue material, In manufacturing process, mesh casing skeleton first is made using aramid fiber, reuses epoxide-resin glue and be sprayed in mesh casing, treated The combined housing comprising fiber and resin is formed after hardening.

It is 2.5 times or so of the tensile strength of glass fibre because the tensile strength of aramid fiber reaches more than 6000MPa, Under identical resistance to compression design, the thickness of aramid fiber dimension material housing is only the half of glass fibre material thickness of shell, meanwhile, virtue The density of synthetic fibre fiber is small, can largely reduce case weight.

Embodiment 11

Difference from Example 1 is：As shown in Figure 10, the first inflation mechanism 4a uses one-way valve structures, including, bag The second pedestal 401, the second valve pocket 402, the second valve body 403 and the second stomata 404 are included, the second stomata 404 is located at the second pedestal 401 Axle center top, the second valve pocket 402 is located at the axle center bottom of the second pedestal 401, the second valve pocket of UNICOM 402 of the second stomata 404, the second valve The second valve body 403, the upper wall of the second valve pocket of upper surface palette 402 of the second valve body 403, the second valve pocket 402 are provided with chamber 402 Bottom is provided with the second lock screw 4032, and the middle part of the second lock screw 4032 is hollow；The lower end of second valve body 403 and the Second spring 4031 is provided between two lock screws 4032；

Second valve body 403 includes bonnet 4033 and push rod 4034, and bonnet 4033 connects the lower end of push rod 4034, bonnet 4033 The upper wall of the second valve pocket of upper surface palette 402, is provided with air intake duct 4035, the outer wall transition of push rod 4034 at the axle center of push rod 4034 Coordinate the second stomata 404；

The outer wall seamless welding of second pedestal 401, sealing are glued or thread seal is connected to the first inner sealing lid 6a or the Two inner sealing lid 6b.

Embodiment 12

Difference from Example 1 is：As shown in figure 11, the first inflation mechanism 4a uses one-way valve structures, including, bag The second pedestal 401, the second valve pocket 402, the second valve body 403 and the second stomata 404 are included, the second stomata 404 is located at the second pedestal 401 Axle center top, the second valve pocket 402 is located at the axle center bottom of the second pedestal 401, the second valve pocket of UNICOM 402 of the second stomata 404, the second valve The second valve body 403, the upper wall of the second valve pocket of upper surface palette 402 of the second valve body 403, the second valve pocket 402 are provided with chamber 402 Bottom is provided with the second lock screw 4032, and the middle part of the second lock screw 4032 is hollow；The lower end of second valve body 403 and the Second spring 4031 is provided between two lock screws 4032；

Second valve body 403 includes bonnet 4033, push rod 4034 and Bonnet seal circle 4036, the connection push rod 4034 of bonnet 4033 Lower end, the upper surface of bonnet 4033 by the upper wall of 4036 the second valve pocket of palette of Bonnet seal circle 402, match somebody with somebody by the gap of push rod 4034 Close the second stomata 404；

The outer wall seamless welding of second pedestal 401, sealing are glued or thread seal is connected to the first inner sealing lid 6a or the Two inner sealing lid 6b.

Embodiment 13

Difference from Example 1 is：As shown in figure 12, the outer tube 5 is the multiple tube of fibre-bearing material, the outer tube 5 Including outer seal of tube basic unit 501 and outer tube fibrage 502, outer tube fibrage 502 is located at the outer layer of outer seal of tube basic unit 501, outward One end of pipe 5 is connected with the first winding joint 511, and the other end of outer tube 5 is connected with the second winding joint 512；

The outer wall top of the first winding joint 511 is provided with mentions 5111, the second winding for winding the first of fiber The outer wall top of joint 512 is provided with mentions 5121 for winding the second of fiber, and first mentions 5111 annular spreads the One winding joint 511 outer wall top, second mention 5121 annular spreads second winding joint 512 outer wall at the top of, The outer wall bottom of the first winding joint 511 is provided with the first boss 5112 for connecting outer seal of tube basic unit 501, and second twines The outer wall bottom of joint 512 is provided with the second boss 5122 for connecting outer seal of tube basic unit 501.

Embodiment 14

Difference from Example 1 is：As shown in Figure 13 and Figure 14, the inflation mechanism 4a of the ignition mechanism 3 and first is common Installed in the first inner sealing lid 6a, the second inner sealing lid 6b is provided with and is conductively connected first 62；It is described to be conductively connected first 62 bag Conductive core 621 and insulating barrier 622 are included, insulating barrier 622 is located at conductive core outer layer, and the second inner sealing lid 6b middle parts have for wearing The conductive fairlead 63 for being conductively connected first 62 is crossed, conductive fairlead 63 is tightly connected with being conductively connected first 62, described to be conductively connected First 62 conductive core 621 is turned on the wire 312 of ignition mechanism 3.

Used as further illustrating for above-mentioned implementation method, the conductive fairlead 63 coordinates with first 62 gap is conductively connected, The inwall of conductive fairlead 63 and being conductively connected between first 62 outer wall is sealed by sealing ring 64, in conductive fairlead 63 is set Screw thread mouth 631, sealing ring 64 is arranged on the bottom of inner thread mouth 631, and inner thread mouth 631 is combined with perforation and tightens screw 632, close Seal 64 tightens screw 632 and compresses by perforation.

Used as further illustrating for above-mentioned implementation method, the conductive core 621 is positive pole contact pin, the conductive fairlead 63 Outside aperture be cathode contact face.

Embodiment 15

Difference from Example 1 is：As shown in figure 15, the top of the first sealing external cover 7a and the second sealing external cover 7b Bottom be respectively arranged with forward screw thread hole 71a and reverse thread hole 71b；Its forward screw thread hole 71a and reverse thread hole 71b is used Installed in the connection for realizing two neighboring blaster, connect installation process, by using screw rod 711, precession is distinguished at its two ends The reverse thread hole 71b of forward screw thread hole 71a and another adjacent blaster, so as to realize the laminating of adjacent blaster.

Embodiment 16

Difference from Example 1 is：As shown in figure 16, the top external annulus of the first inner sealing lid 6a are provided with forward direction The bottom external annulus of external screw thread 61a, the second inner sealing lid 6b are provided with reverse external screw thread 61b；Its positive external screw thread 61a and reversely External screw thread 61b is used to realize that the connection of two neighboring blaster to be installed, and connects installation process, by using riffled tube 611, will The reverse external screw thread 61b of precession forward direction external screw thread 61a and another adjacent blaster is distinguished at its two ends, so as to realize adjacent blaster Laminating.

Embodiment 17

It is with the difference of embodiment 13：As shown in figure 17, described first 5111 and second mentioned mention 5121 in loop overlapping shape, Described first mentions 5111 is connected through a screw thread the outer wall top that mode is looped around the first winding joint 511, and second mentions 5121 are connected through a screw thread the outer wall top that mode is looped around the second winding joint 512.

Embodiment 18

A kind of gas blast device, as shown in figure 18, including inner tube 1, inner tube filled cavity 2, ignition mechanism 3, the first inflation mechanism 4a, It is inner tube filled cavity 2 in second inflation mechanism 4b and outer tube 5, said inner tube 1, it is close that the two ends of inner tube 1 are sealedly connected with first respectively Envelope inner cap 6a and the second inner sealing lid 6b, the outer layer of inner tube 1 is outer tube 5, is sealedly connected with first between inner tube 1 and outer tube 5 close Envelope enclosing cover 7a and the second sealing external cover 7b, the first sealing external cover 7a and the second sealing external cover 7b is located at the two ends of outer tube 5；Described One inner sealing lid 6a is connected with the second inner sealing lid 6b by connector 9；The connector 9 is connecting rod, the connector 9 Two ends are connected or sealing riveting with the first inner sealing lid 6a and the second inner sealing lid 6b respectively；

Annular seal space is outer tube filled cavity 8 between said inner tube 1 and outer tube 5, and said inner tube filled cavity 2 is filled with reducing agent and oxidation Agent, the oxidant is overcritical oxygen, gases at high pressure oxygen or liquid oxygen, and the reducing agent is carbonaceous organic material or reproducibility simple substance Powder, the easy vapour of the liquid such as filling liquid carbon dioxide or liquid nitrogen in the outer tube filled cavity 8.

It is gases at high pressure list that the second inflation mechanism 4b is arranged on the second sealing external cover 7b, the second inflation mechanism 4b To valve, the inflation inlet of the second inflation mechanism 4b is located at the lower surface of the second sealing external cover 7b；

The face that the connector 9 is contacted with inner tube filled cavity 2 is referred to as edge surface 91, and the naked face being exposed on the external of the connector 9 claims It is end face 92；Through there is through hole 93 between edge surface 91 and end face 92, through hole 93 includes first port 931 and second Port 932, first port 931 is located at edge surface 91, and second port 932 is located at end face 92；

It is gases at high pressure check valve that the first port 931 installs the first inflation mechanism 4a, the first inflation mechanism 4a；

As shown in figure 19, the ignition mechanism 3 is arranged in the first inner sealing lid 6a, and the ignition mechanism 3 includes heating wire 311st, wire 312 and wire perforation 313, the connecting wire 312 of heating wire 311, wire perforation 313 run through the first inner sealing lid 6a, Wire 312 is provided with O-ring seal 3131 through wire perforation 313 in wire perforation 313；

As shown in figure 20, the second inner sealing lid 6b is provided with and is conductively connected first 62；It is described to be conductively connected first 62 including conductive Core 621 and insulating barrier 622, insulating barrier 622 are located at the outer layer of conductive core 621, and the second inner sealing lid 6b middle parts have for passing through It is conductively connected first 62 conductive fairlead 63, the inwall of conductive fairlead 63 and is conductively connected between first 62 outer wall by sealing Circle 64 is sealed, and first 62 conductive core 621 that is conductively connected is turned on the wire 312 of ignition mechanism 3.

As above-mentioned implementation method further implementation illustrate, the ignition mechanism 3 and be conductively connected first 62 negative pole end Replaced by connector 9, namely negative pole end is derived by connector 9.

Illustrated as the further implementation of above-mentioned implementation method, the two ends port of said inner tube 1 is interior with the first sealing respectively By steel pipe throat processing mode, sealed bundle is connected on the first inner sealing lid 6a and second close to lid 6a and the second inner sealing lid 6b respectively The outer layer of envelope inner cap 6b；The first sealing external cover 7a and the second sealing external cover 7b seal the two ends for being socketed in inner tube 1 respectively Outer layer；The two ends port of the outer tube 5 is connected on the first sealing external cover 7a and second by steel pipe throat processing mode sealed bundle The outer layer of sealing external cover 7b；The two ends outer layer of the outer tube 5 is socketed with ring sleeve 52.

Necking processing is the common processing mode of contemporary body processing, be widely used in cartridge case, gun shell, steel cylinder, with And the production of the workpiece such as telescopic tube；Necking processing includes extruding necking down process and heating necking down process.

Embodiment 19

It is with the difference of embodiment 18：As shown in figure 21, the internal side diameter of the first sealing external cover 7a includes the first anchor ring 721 and second anchor ring 722, the internal side diameter of the second sealing external cover 7b includes the 3rd anchor ring 723 and the 4th anchor ring 724, first The anchor ring 723 of anchor ring 721 and the 3rd is fitted the outer layer at the two ends of inner tube 1 respectively, and the second anchor ring 722 and the 4th anchor ring 724 are exposed outer Portion, the inflation inlet of the second inflation mechanism 4b is located at the 4th anchor ring 724.

Embodiment 20

A kind of gas blast device, as shown in figure 22, including inner tube 1, inner tube filled cavity 2, ignition mechanism 3, the first inflation mechanism 4a, It is inner tube filled cavity 2 in second inflation mechanism 4b and outer tube 5, said inner tube 1, it is close that the two ends of inner tube 1 are sealedly connected with first respectively Envelope inner cap 6a and the second inner sealing lid 6b, the outer layer of inner tube 1 is outer tube 5, is sealedly connected with first between inner tube 1 and outer tube 5 close Envelope enclosing cover 7a and the second sealing external cover 7b, the first sealing external cover 7a and the second sealing external cover 7b is located at the two ends of outer tube 5；Described One inner sealing lid 6a is connected with the second inner sealing lid 6b by connector 9；The connector 9 is connecting rod, the connector 9 Two ends are threadedly coupled with the first inner sealing lid 6a and the second inner sealing lid 6b respectively；

The inflation mechanism 4a of the ignition mechanism 3 and first is arranged in the first inner sealing lid 6a；

The first inflation mechanism 4a is gases at high pressure check valve；The ignition mechanism 3 includes heating wire 311, wire 312 and leads Line perforation 313, the connecting wire 312 of heating wire 311, wire perforation 313 runs through the first inner sealing lid 6a, and wire 312 passes through wire Perforation 313, O-ring seal 3131 is provided with wire perforation 313；

The second inner sealing lid 6b is provided with and is conductively connected first 62；It is described to be conductively connected first 62 including conductive core 621 and insulate Layer 622, insulating barrier 622 is located at the outer layer of conductive core 621, and the second inner sealing lid 6b middle part has for through being conductively connected first 62 Conductive fairlead 63, the inwall of conductive fairlead 63 and being conductively connected between first 62 outer wall sealed by sealing ring 64, institute State and be conductively connected first 62 conductive core 621 and turned on the wire 312 of ignition mechanism 3；

It is that gases at high pressure are unidirectional that the second inflation mechanism 4b is arranged on the second sealing external cover 7b, the second inflation mechanism 4b Valve, the inflation inlet of the second inflation mechanism 4b is located at the end face outside of the second sealing external cover 7b；

Annular seal space is outer tube filled cavity 8 between said inner tube 1 and outer tube 5, and said inner tube filled cavity 2 is filled with reducing agent and oxidation Agent, the oxidant is overcritical oxygen, gases at high pressure oxygen or liquid oxygen, and the reducing agent is carbonaceous organic material or reproducibility simple substance Powder, the easy vapour of the liquid such as filling liquid carbon dioxide or liquid nitrogen in the outer tube filled cavity 8.

Illustrated as further implementation, as shown in figure 23, the face that the first inner sealing lid 6a is contacted with inner tube filled cavity 2 Referred to as the first inner layer surface 601, the naked faces being exposed on the external of the first inner sealing lid 6a are referred to as the first outer layer surface 602；First internal layer Face 601 is provided with the first installation cavity 603 and the second installation cavity 604, and the first outer layer surface 602 is provided with first interface 605；First peace 603 installations of behaveing affectedly the first inflation mechanism 4a, the first installation cavity 603 and the insertion of first interface 605, for inflating；Described Two installation cavitys 604 are used to install O-ring seal 3131, the second installation cavity 604 and the insertion of first interface 605, are led for wire 312 Go out.

As above-mentioned implementation method further implementation illustrate, the ignition mechanism 3 and be conductively connected first 62 negative pole end Replaced by connector 9, namely negative pole end is derived by connector 9.

Illustrate that one end of said inner tube 1 passes through with the first inner sealing lid 6a as the further implementation of above-mentioned implementation method First pipe type rivet m1 sealing rivetings, the other end of inner tube 1 and the second inner sealing lid 6b seal riveting by the second pipe type rivet m2 Connect；One end of said inner tube 1 is riveted with one end of outer tube 5 by the first sealing external cover 7a, the other end and the outer tube 5 of inner tube 1 The other end is riveted by the second sealing external cover 7b；First inner sealing lid 6a middle parts are provided with the first tubular rivet m3, in the second sealing Lid 6b middle parts are provided with the second tubular rivet m4；The top outer riveting of the first tubular rivet m3 enters the internal diameter to the first pipe type rivet m1 Layer, the top outer riveting of the first pipe type rivet m1 enters the internal diameter layer in the first sealing external cover 7a, and the second tubular rivet m4 tops are outer Side riveting enters the internal diameter layer to the second pipe type rivet m2, and the top outer riveting of the second pipe type rivet m2 enters the second sealing external cover 7b's Internal diameter layer.

Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used Modified with to the technical scheme described in foregoing embodiments, or equivalent carried out to which part technical characteristic, All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention Within protection domain.

Claims (10)

1. a kind of gas blast device, it is characterised in that：Including inner tube（1）, inner tube filled cavity（2）, ignition mechanism（3）, first fill Mechanism of qi structure（4a), the second inflation mechanism（4b) and outer tube（5）, said inner tube（1）Interior is inner tube filled cavity（2）, inner tube（1）Two ends The first inner sealing lid is sealedly connected with respectively（6a) with the second inner sealing lid（6b), inner tube（1）Outer layer be outer tube（5）, inner tube （1）With outer tube（5）Between be sealedly connected with the first sealing external cover（7a) with the second sealing external cover（7b), the first sealing external cover（7a) With the second sealing external cover（7b) it is located at outer tube（5）Two ends, the ignition mechanism（3）With the first inflation mechanism（4a) it is arranged on the One inner sealing lid（6a) or the second inner sealing lid（6b), first sealing external cover（7a) or the second sealing external cover（Installed on 7b) There is the second inflation mechanism（4b), first inflation mechanism（4a) with the second inflation mechanism（4b) it is high pressure fill valve or high pressure gas Body check valve, the first inner sealing lid（6a) with the second inner sealing lid（6b) pass through connector（9）Connection, said inner tube（1）With it is outer Pipe（5）Between annular seal space be outer tube filled cavity（8）, said inner tube filled cavity（2）Filled with reducing agent and oxidant, the oxygen Agent be overcritical oxygen, gases at high pressure oxygen or liquid oxygen, the reducing agent be carbonaceous organic material or reproducibility elemental powders, it is described Outer tube filled cavity（8）Interior filling liquid carbon dioxide or liquid nitrogen.

2. gas blast device according to claim 1, it is characterised in that：The connector（9）It is connecting rod, the company Fitting（9）Two ends respectively with the first inner sealing lid（6a) with the second inner sealing lid（6b) integrated connection or sealing riveting or spiral shell Line is connected.

3. gas blast device according to claim 1, it is characterised in that：The connector（9）It is connection steel wire, connector （9）Two ends fasten respectively knot in the first inner sealing lid（6a) with the second inner sealing lid（6b).

4. gas blast device according to claim 1, it is characterised in that：Said inner tube（1）It is answering comprising Fiber Materials Close layer cylinder, said inner tube（1）Including fibrage（102）And hardened layer（103）, hardened layer（103）Positioned at fibrage（102）It is outer Layer, or said inner tube（1）Including base layer（101）, fibrage（102）And hardened layer（103）, hardened layer（103）Positioned at fibre Dimension layer（102）Outer layer, base layer（101）Positioned at fibrage（102）Internal layer；Or said inner tube（1）Be stainless steel tube or Carbon steel pipe.

5. gas blast device according to claim 1, it is characterised in that：The outer tube（5）It is being combined for fibre-bearing material Pipe, the outer tube（5）Including outer seal of tube basic unit（501）With outer tube fibrage（502）, outer tube fibrage（502）Positioned at outer tube Sealing basic unit（501）Outer layer, outer tube（5）One end be connected with the first winding joint（511）, outer tube（5）The other end connection There is the second winding joint（512）.

6. gas blast device according to claim 8, it is characterised in that：The first winding joint（511）Outer wall Top is provided with mentions for winding the first of fiber（5111）, the second winding joint（512）Outer wall top be provided with use In winding fiber second mentions（5121）, the first winding joint（511）Outer wall bottom be provided with it is close for connecting outer tube Envelope basic unit（501）First boss（5112）, the second winding joint（512）Outer wall bottom be provided with it is close for connecting outer tube Envelope basic unit（501）Second boss（5122）.

7. gas blast device according to claim 1, it is characterised in that：The ignition mechanism（3）With the first inflation mechanism （4a) it is commonly mounted on the first inner sealing lid（6a), second inner sealing lid（6b) it is provided with and is conductively connected head（62）, it is described Ignition mechanism（3）Including heating wire（311）, wire（312）, wire perforation（313）With sealing matrix（314）, heating wire（311） Connecting wire（312）, seal matrix（314）Axle center part is perforated for wire（313）, wire（312）Through wire perforation（313）Afterwards Sealed with sealing glue solidifying, seal matrix（314）With the first inner sealing lid（6a) or the second inner sealing lid（6b) it is tightly connected, institute State and be conductively connected head（62）Including conductive core（621）And insulating barrier（622）, insulating barrier（622）Positioned at conductive core outer layer, described Two inner sealing lids（6b) middle part has for through being conductively connected head（62）Conductive fairlead（63）, conductive fairlead（63）With lead Electrical connector（62）It is tightly connected, it is described to be conductively connected head（62）Conductive core（621）With ignition mechanism（3）Wire（312） Conducting.

8. gas blast device according to claim 1, it is characterised in that：The connector（9）With inner tube filled cavity（2）Connect Tactile face is referred to as edge surface（91）, the connector（9）The naked face being exposed on the external referred to as end face（92）；Edge surface（91）With end Portion face（92）Between through there is through hole（93）, through hole（93）Comprising first port（931）And second port（932）, first Port（931）Positioned at edge surface（91）, second port（932）End face（92）, the first port（931）First is installed to inflate Mechanism（4a）, first inflation mechanism（4a）It is gases at high pressure check valve, the ignition mechanism（3）Including heating wire（311）、 Wire（312）Perforated with wire（313）, heating wire（311）Connecting wire（312）, wire perforation（313）In the first sealing Lid（6a）, wire（312）Through wire perforation（313）, wire perforation（313）Inside it is provided with O-ring seal（3131）, described Two inner sealing lids（6b）It is provided with and is conductively connected head（62）, it is described to be conductively connected head（62）Including conductive core（621）And insulating barrier （622）, insulating barrier（622）Positioned at conductive core（621）Outer layer, second inner sealing lid（6b）Middle part has for connecting through conduction Joint（62）Conductive fairlead（63）, conductive fairlead（63）Inwall be conductively connected head（62）Outer wall between by close Seal（64）Sealing, it is described to be conductively connected head（62）Conductive core（621）With ignition mechanism（3）Wire（312）Conducting.

9. the gas blast device according to claim 1 or 8, it is characterised in that：Said inner tube（1）And outer tube（5）It is carbon steel Or stainless steel, said inner tube（1）By steel pipe throat processing mode, sealed bundle is connected on the first sealing respectively for two ends port Inner cap（6a）With the second inner sealing lid（6b）Outer layer, first sealing external cover（7a）With the second sealing external cover（7b）Respectively Sealing is socketed in inner tube（1）Two ends outer layer, the outer tube（5）Two ends port pass through steel pipe throat processing mode sealed bundle It is connected on the first sealing external cover（7a）With the second sealing external cover（7b）Outer layer.

10. the gas blast device according to claim 1 or 8, it is characterised in that：Said inner tube（1）One end it is close with first Envelope inner cap（6a）By the first pipe type rivet（m1）Sealing riveting, inner tube（1）The other end and the second inner sealing lid（6b）Pass through Second pipe type rivet（m2）Sealing riveting；Said inner tube（1）One end and outer tube（5）One end pass through the first sealing external cover（7a） Riveting, inner tube（1）The other end and outer tube（5）The other end pass through the second sealing external cover（7b）Riveting；First inner sealing lid （6a）Middle part is provided with the first tubular rivet（m3）, the second inner sealing lid（6b）Middle part is provided with the second tubular rivet（m4）, first is empty Heart rivet（m3）Top outer riveting enter to the first pipe type rivet（m1）Internal diameter layer, the first pipe type rivet（m1）Top outer Riveting enters in the first sealing external cover（7a）Internal diameter layer, the second tubular rivet（m4）Top outer riveting enters to the second pipe type rivet（m2） Internal diameter layer, the second pipe type rivet（m2）Top outer riveting enter in the second sealing external cover（7b）Internal diameter layer.