CN106883083A - Emulsion and the mixed medicine granulation all-in-one of the method and physical sensitization of granulation - Google Patents

Emulsion and the mixed medicine granulation all-in-one of the method and physical sensitization of granulation Download PDF

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Publication number
CN106883083A
CN106883083A CN201710252941.8A CN201710252941A CN106883083A CN 106883083 A CN106883083 A CN 106883083A CN 201710252941 A CN201710252941 A CN 201710252941A CN 106883083 A CN106883083 A CN 106883083A
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emulsion
thermostat
pelletizing
explosive
emulsified bases
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CN201710252941.8A
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CN106883083B (en
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黄平
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Zhejiang Shunyuan Chemical Co.,Ltd.
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Panzhihua University
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    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B31/00Compositions containing an inorganic nitrogen-oxygen salt
    • C06B31/28Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate
    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B23/00Compositions characterised by non-explosive or non-thermic constituents
    • C06B23/002Sensitisers or density reducing agents, foam stabilisers, crystal habit modifiers

Abstract

The present invention relates to explosive preparing technical field, disclose the mixed medicine granulation all-in-one of the method and physical sensitization of a kind of emulsion and granulation, emulsion is made up of emulsified bases and sensitizer, sensitizer is made up of glass microsphere and titantium hydride, mass ratio shared by emulsified bases is 55 85%, mass ratio shared by glass microsphere is 14 44%, and mass ratio shared by titantium hydride is 0.4 1.5%;The method of emulsion granulation, adds emulsified bases, glass microsphere, titantium hydride, pelletizing after paste emulsion explosive to be formed step by step at a certain temperature;The mixed medicine granulation all-in-one of emulsion physical sensitization, including mixing device, conveyer, pellet device, attemperating unit.Emulsion of the present invention solve the problems, such as in the prior art emulsion explosion velocity it is high, it is sticky it is big, be difficult to lay;The prilling process of emulsion of the present invention, enables bubble to be stably retained in emulsified bases to ensure that initiation energy is sufficient;Present invention also offers a kind of mixed medicine granulation all-in-one of emulsion physical sensitization.

Description

Emulsion and the mixed medicine granulation all-in-one of the method and physical sensitization of granulation
Technical field
The present invention relates to explosive preparing technical field, and in particular to a kind of emulsion and the method and physical sensitization of granulation Mixed medicine granulation all-in-one.
Background technology
Explosive welding is a kind of Solid-phase welding method, is generally used for the welding between dissimilar metal, such as titanium, copper, aluminium, steel Welding between metal, and the welding of these chemical compositions and the different metal material of physical property, use other welding methods It is difficult to realize;Because the particular/special requirement of explosive welding is, it is necessary to using special dynamite, and routine low explosive.At present, generally The welding between dissimilar metal is carried out using powder ammonium nitrate explosive, but the area having does not have powder ammonium nitrate explosive production line, to make Needed, from far place purchase, to which increase cost, increased insecurity with powder ammonium nitrate explosive, live explosive welding The indexs such as explosion velocity are adjusted at any time also inconvenient, in, the performance such as explosive thermal decomposition short plus explosive Storage period, influence explosive Index, influence welding.
The conventional explosive of another kind welding is emulsion.Emulsion is, by the effect of emulsifying agent, to make oxidant salt The droplet of the aqueous solution, is dispersed in containing porous masses such as dispersion bubble or hollow glass micropearls in oil phase continuous media In, form a kind of latex shaped explosive charge of water-in-oil type.There is problems with existing emulsion:1st, explosion velocity is high;2nd, component contains Water, viscosity is serious, equipment easy to stick;When the 3rd, laying welding explosive, it is impossible to change explosive shape according to actual conditions, it is impossible to which laying is equal Even, dosage is difficult accurate control, influences explosive welding effect, and when particularly explosive welding cladding plate is relatively thin, explosive consumption is few, paving If relatively thin, explosive initiation and propagation of explosion are influenceed.Accordingly, it would be desirable to a kind of low blasting speed, viscosity is low, it is uniform to be easy to lay, be applicable blast weldering The emulsion for connecing.
It has been found that the factor of influence emulsion performance is mainly sensitization technique and sensitizer, the purpose of sensitization is By certain mode to introducing micro-bubble in emulsified bases, and bubble is set to be uniformly distributed by certain size and number, one Fix time and necessary stability is kept in the cycle, prevent bubble coalescence and escape.Sensitization technique is ten in Emulsion Explosive Production Point important link, is divided into two kinds of physical sensitization and chemical sensitization, and being sensitized the quality of effect, to directly affect emulsion items quick-fried Fried performance and storage stability.At present, the physical sensitization of emulsion generally uses perlite or glass microsphere as sensitization Agent, but there is following drawback as sensitizer using perlite:1st, perlite be porous honeycomb structure and particle size distribution compared with Greatly, distributed pole is uneven in matrix, causes medicine body each several part inconsistent, influences explosive property;2nd, physical property is more crisp, Easily crushed in whipping process, cause substantive heap density to be increased to make the density of emulsion to increase, influence sensitization effect Really;3rd, perlite surface imperfection, rough, and be dry powder, it is uniform to be difficult blending in mixed process, influence sensitization Effect.
The conventional sensitizer glass microsphere of another kind, is thin-walled, the closing being made up of sodium borosilicate material through special technology Microspheres, ball interior wraps up a certain amount of gas, with low-density, low heat conduction, low oil absorbency, granularity and chemical composition The superior function such as controllable, is suitable as emulsion sensitizer, and the effect of glass microballoon is to reduce density, lowers explosion velocity;It has The characteristics of having that consumption is few, can be obviously improved detonation property, improving storage stability, glass microsphere is easy to be homogeneously dispersed in emulsification In matrix, make emulsified bases that there is good uniformity, thus explosive can be kept integrally uniform and stable.But because of glass microsphere surface It is fragility, microballon rupture is easily caused during mixing so that the sensitizer ineffective dose of addition increases, and both increased Production cost, also have impact on the sensitization effect of emulsion, therefore mixing time can not be long, and speed can not be too fast;If additionally, Sensitizer all uses glass microsphere, then the explosive viscosity produced is excessive, not only equipment easy to stick, and lays welding explosive When, it is impossible to accomplish to lay uniform, dosage is difficult accurate control;And if glass microsphere consumption is excessive, although can be in certain journey The viscosity of explosive is reduced on degree, but also reduces the initiation energy of explosive simultaneously, cause explosive to be unable to proper detonation.Therefore, adopt With glass microsphere as sensitizer, activation process is how many to its consumption, temperature, mixing time, mixing speed all have higher requirements, It is also required to strictly control dosage, explosive thickness when laying explosive.
The patent of invention of Patent No. 201110277487.4 discloses a kind of titanium hydride hydrogen storage emulsion explosive, its component Including emulsified bases and sensitizer, sensitizer is titantium hydride, and the quality of titantium hydride accounts for titanium hydride hydrogen storage emulsion explosive gross mass 0.6-8%, the titantium hydride be purity more than or equal to 95% powder.The technical problem that above-mentioned technical proposal is solved is to incite somebody to action Metal hydride hydrogenates sensitized material of the titanium as emulsion, on the premise of emulsion sensitivity to initiation is ensured, improves breast Change the detonation property of explosive.The problem that above-mentioned technical proposal is present is that sensitizer all uses titantium hydride, and one is high cost;Two It is that the explosive for making can not be used at once, places foaming in a day, influence production;Three is explosion velocity of explosive high, easily wound compound plate, no Explosive welding can be used for.
If applicant in practice, it has been found that can be made existing paste emulsion explosive granular, will greatly facilitate fried Drug application sets, improves operating efficiency.But current China still prepares without emulsion, the production equipment special of granulation, production is conventional During emulsion, raw material is mixed in proportion using easy agitating device more, cannot temperature control, quick in production process Change mixed drug powder dirt is big, sensitizer destruction is more, causes low production efficiency, unstable product quality.
The content of the invention
The technical problems to be solved by the invention are to provide the mixed medicine of the method and physical sensitization of a kind of emulsion and granulation Granulation all-in-one, to solve the variety of problems that emulsion is present in the prior art.
The technical solution adopted for the present invention to solve the technical problems is:Emulsion, by emulsified bases and sensitizer group Into sensitizer is made up of glass microsphere and titantium hydride, and mass ratio shared by emulsified bases is 55-85%, quality shared by glass microsphere Than being 14-44%, mass ratio shared by titantium hydride is 0.4-1.5%.
Wherein, titantium hydride Chun Du≤98.0%, granularity is the mesh of 200 mesh -300.
Wherein, mass ratio shared by emulsified bases is 70%, and mass ratio shared by glass microsphere is 29%, quality shared by titantium hydride Than being 1%.
The method of emulsion granulation, comprises the following steps:
A, in 45-60 DEG C of temperature range add 1/2 emulsified bases, 1/3~1/2 glass microsphere, at the uniform velocity stir 2min;
B, remaining emulsified bases and glass microsphere are added in 45-60 DEG C of temperature range, at the uniform velocity stir 3min;
C, titantium hydride is added in 45-60 DEG C of temperature range, at the uniform velocity stir 2~3min, emulsified bases, glass microsphere, hydrogen Change titanium and be mixed to form paste emulsion explosive;
D, in 25-35 DEG C of temperature range by paste emulsion explosive pelletizing.
The mixed medicine granulation all-in-one of emulsion physical sensitization, including mixing device, conveyer, pellet device, temperature control dress Put;
Mixing device includes mixing chamber, agitating shaft, batch mixing motor, and charging aperture is provided with mixing chamber, and mixing chamber is tubular Structure, the barrel of mixing chamber is bilayer, and heat preserving and insulating material is filled between the double-deck barrel, and agitating shaft is arranged on mixing chamber Interior, the quantity of agitating shaft is no less than two, and agitating shaft is driven by batch mixing motor;
Conveyer includes barrel, extrusion screw rod, extruder motor, and extrusion screw rod is arranged in barrel, and extrusion screw rod is by squeezing Go out motor driving;
Pellet device includes pelletizing flange, blade, knife rest, cutter shaft, pelletizing motor, if being provided with the end face of pelletizing flange A dry equally distributed extrusion cavities, the knife face of blade is fitted with the end face of pelletizing flange, and blade is arranged on knife rest, knife rest and knife Axle is connected, and cutter shaft is driven by pelletizing motor;
Attemperating unit includes the first thermostat, the second thermostat, the 3rd thermostat, central controller, and the first thermostat sets Put in mixing chamber, the second thermostat is arranged in barrel, the 3rd thermostat is arranged on pelletizing flange, central controller difference It is electrically connected with the first thermostat, the second thermostat, the 3rd thermostat;
Splicing car, splicing car is arranged on pelletizing flange lower section;
Mixing chamber bottom, the other end connection pelletizing flange of barrel are connected in one end of barrel.
Wherein, it is provided with vibratory sieve on splicing car.
Wherein, also it is arranged in dust cover including dust cover, mixing chamber and barrel, the charging aperture of mixing chamber stretches out dust cover Outward.
The beneficial effects of the invention are as follows:1st, there is provided a kind of emulsion, the emulsion uses glass microsphere and hydrogenation Titanium is neither too hard, nor too soft as sensitizer, can be made into granular, and can solve existing skill according to shape is changed the need for actual conditions In art emulsion in paste, viscosity is big, be difficult the problem laid;Additionally, emulsified bases, glass microsphere, titantium hydride ratio are suitable In, explosive finished product steady quality, and detonation requirement can be reached;2nd, there is provided a kind of prilling process of emulsion, according to The prilling process, can be such that activation process fully carries out, and enable bubble to be stably retained in emulsified bases to ensure initiation energy It is sufficient;3rd, there is provided a kind of mixed medicine granulation all-in-one of emulsion physical sensitization, compared with prior art, in (1) production process Without dust;(2) by rationally controlling the temperature of each device, make the abundant physical sensitization of explosive raw material, sensitizer, product will not be destroyed Steady quality;(3) situation about being granulated according to emulsion product, such as whether viscous glutinous, the proportioning of convenient control explosive raw material, so that Control the water content of emulsion;(4) granulation process closing is carried out, it is to avoid after the object such as exogenous impurity enters mixing chamber, Yin Mo The possibility wiped generation heat accumulation and cause danger.
Brief description of the drawings
Fig. 1 is the schematic diagram that the mixed medicine of emulsion physical sensitization of the present invention granulates all-in-one;
Marked in figure:Mixing chamber 101, agitating shaft 102, batch mixing motor 103, charging aperture 104, barrel 201, extrusion screw rod 202nd, extruder motor 203, pelletizing flange 301, blade 302, knife rest 303, cutter shaft 304, pelletizing motor 305, the first thermostat 401st, the second thermostat 402, the 3rd thermostat 403, central controller 404, splicing car 501, vibratory sieve 502, dust cover 601.
Specific embodiment
Emulsion, is made up of emulsified bases and sensitizer, and sensitizer is made up of glass microsphere and titantium hydride, emulsified bases Shared mass ratio is 55-85%, and mass ratio shared by glass microsphere is 14-44%, and mass ratio shared by titantium hydride is 0.4-1.5%. The effect of titantium hydride is, 1, increased hardness;2nd, make the bubble of part glass microsphere failure loss in whipping process, detonating Recovered by discharging hydrogen by titantium hydride in journey, while it is metal anakinetomer to discharge the titanium valve after hydrogen, increase detonation sense Degree and energy, enable explosive finished product to reach detonation and require, its principle is part titantium hydride and emulsified bases during ignition The interior biochemical reaction of aquatic products, discharges a small amount of hydrogen, and certain foaming effect is played to emulsified bases, and emulsified bases is detonated, Play sensitizer effect;Remaining titantium hydride issues heat point in the high temperature action that emulsified bases and bubble hydrogen reaction are produced simultaneously Solution, discharges rapidly hydrogen, and hydrogen continues to participate in the detonation reaction of emulsified bases, makes to contain emulsified bases and hydrogen in output energy Change the energy that titanium discharges jointly.
Preferably, titantium hydride Chun Du≤98.0%, granularity is the mesh of 200 mesh -300.
Preferably, mass ratio shared by emulsified bases is 70%, and mass ratio shared by glass microsphere is 29%, matter shared by titantium hydride Amount is than being 1%.
The method of emulsion granulation, comprises the following steps:
A, in 45-60 DEG C of temperature range add 1/2 emulsified bases, 1/3~1/2 glass microsphere, at the uniform velocity stir 2min;
B, remaining emulsified bases and glass microsphere are added in 45-60 DEG C of temperature range, at the uniform velocity stir 3min;
C, titantium hydride is added in 45-60 DEG C of temperature range, at the uniform velocity stir 2~3min, emulsified bases, glass microsphere, hydrogen Change titanium and be mixed to form paste emulsion explosive;
D, in 25-35 DEG C of temperature range by paste emulsion explosive pelletizing.
Using glass microsphere as sensitizer, activation process is how many to its consumption, temperature, mixing time, mixing speed all Have higher requirements, applicant can be farthest kept away in practice, it has been found that take the above-mentioned technical proposal to reach optimum efficiency The bubble for exempting from glass microsphere failure loss is excessive.
As shown in figure 1, the mixed medicine granulation all-in-one of emulsion physical sensitization, including mixing device, conveyer, pelletizing dress Put, attemperating unit;
Mixing device includes mixing chamber 101, agitating shaft 102, batch mixing motor 103, and charging aperture is provided with mixing chamber 101 104, the raw material of emulsion of the present invention includes emulsified bases, glass microsphere, titantium hydride, and emulsified bases is by following substances emulsification Into:Ammonium nitrate, sodium nitrate, water, integrated oil phase material (emulsifying agent, machine oil, paraffin and microwax), have viscous after raw material mixing Property, mixing chamber 101 is tubular structure, and the benefit that mixing chamber 101 is arranged to tubular is no dead angle, will not retained material;Batch mixing The barrel in chamber 101 is bilayer, is filled with heat preserving and insulating material between the double-deck barrel, it is necessary to illustrate, explosive raw material Each component is added by the substep of charging aperture 104, often adds a kind of raw material components, and the temperature in mixing chamber 101 will be reduced, Because the temperature of the optimal physical sensitization of emulsion is 45-60 DEG C, therefore barrel is protected to be filled between double-deck, double-deck barrel Warm heat-barrier material can avoid mixing chamber 101 from radiating, and be more beneficial for the carrying out of physical sensitization process;Agitating shaft 102 is arranged on batch mixing In chamber 101, the quantity of agitating shaft 102 is no less than two, and agitating shaft 102 is driven by batch mixing motor 103, it is further preferred that stirring Mixing axle 102 can rotate forward, invert, and make the physical sensitization of explosive raw material and more fully carry out;
Conveyer includes barrel 201, extrusion screw rod 202, extruder motor 203, and extrusion screw rod 202 is arranged on barrel 201 Interior, extrusion screw rod 202 is driven by extruder motor 203, and the effect of conveyer is the grease explosive conveying for completing physical sensitization To at pelletizing flange 301, while making it be extruded from pelletizing flange 301 grease explosive force;
Pellet device includes pelletizing flange 301, blade 302, knife rest 303, cutter shaft 304, pelletizing motor 305, pelletizing flange Several equally distributed extrusion cavities are provided with 301 end face, the knife face of blade 302 is fitted with the end face of pelletizing flange 301, Blade 302 is arranged on knife rest 303, and knife rest 303 is connected with cutter shaft 304, and cutter shaft 304 is driven by pelletizing motor 305, blade 302 Follow the rotation of cutter shaft 304 and rotated along the end face of pelletizing flange 301, the explosive cutting of extrusion is granulated;
Attemperating unit includes the first thermostat 401, the second thermostat 402, the 3rd thermostat 403, central controller 404, First thermostat 401 is arranged in mixing chamber 101, and preferably the temperature in mixing chamber 101 is 45-60 DEG C, makes the thing of explosive Reason sensitization is fully carried out;Second thermostat 402 is arranged in barrel 201, and preferably the temperature in barrel 201 is 40-45 DEG C, The explosive of paste is set to remain preferable mobility;3rd thermostat 403 is arranged on pelletizing flange 301, is preferably cut Temperature at grain flange 301 is 25-35 DEG C, central controller 404 respectively with the first thermostat 401, the second thermostat 402, the Three thermostats 403 are electrically connected with, and central controller 404 is responsible for the first thermostat 401 of regulation and control, the second thermostat 402, the 3rd temperature control The temperature that device 403 is produced, operates its positive producing within the temperature range of setting;
Splicing car 501, splicing car 501 is arranged on the lower section of pelletizing flange 301;
The bottom of mixing chamber 101, the other end connection pelletizing flange 301 of barrel 201 are connected in one end of barrel 201.
The process granulated using the mixed medicine granulation all-in-one of the emulsion physical sensitization is to open central controller 404, regulation central controller 404 make the first thermostat 401 be warming up to 45-60 DEG C, the second thermostat 402 be warming up to 40-45 DEG C, 3rd thermostat 403 is warming up to 25-35 DEG C;Emulsified bases and glass microsphere are added by charging aperture 104;Emulsified bases is by following Material emulsification is formed, ammonium nitrate, sodium nitrate, water, integrated oil phase material (emulsifying agent, machine oil, paraffin and microwax);Open mixed Material motor 103 drives agitating shaft 102 to rotate, and emulsified bases and glass microsphere sensitization is mixed to form emulsion;By charging Mouth 104 adds titantium hydrides;The effect of titantium hydride is lotion is had certain degree of hardness, so as to pelletizing;Open extruder motor 203 and drive biography Send device to work, open pelletizing motor 305 and drive pellet device work;Discharging pelletizing is completed, and is closed central controller 404, is mixed Material motor 103, extruder motor 203, pelletizing motor 305.
Preferably, vibratory sieve 502 is provided with splicing car 501, the satisfactory grain powder of particle size falls into in-car, It is undesirable to be gone out by solarization.
Preferably, also it is arranged in dust cover 601 including dust cover 601, mixing chamber 101 and barrel 201, mixing chamber 101 Charging aperture 104 stretch out outside dust cover 601, set dust cover 601 purpose be ensure granulation process closing carry out, it is to avoid it is external After the objects such as impurity enter mixing chamber 101, the possibility caused danger because friction produces heat accumulation.
Embodiment 1
By central controller 404 by the 3rd thermostat 403 be warming up to 30 DEG C, the second thermostat 402 be warming up to 45 DEG C, After one thermostat 401 is warming up to 48 DEG C, sensitization mixed material, mass ratio are added:Emulsified bases 3kg, glass microsphere 1.243kg, Titantium hydride 0.013kg;Half emulsified bases, 1/3 glass microsphere is first added to control the 40 turns/min of rotating speed of agitating shaft 102, puddle 2min, adds remaining matrix and remaining glass microsphere, puddles 3min, adds titantium hydride and puddles 2-3min, open conveyer, Pellet device, until expecting.
The emulsion explosion velocity 2830m/s of preparation, shape explosive, tack-free, medicine needed for explosive welding are made with the explosive Amount is accurate, good control, lays uniform, efficiency high, for 10mm substrates aluminium sheet, the explosive welding of 1mm compound plate titanium plates, titanium after blast Aluminium compound interface is firmly combined with, and Percentage bound reaches 98.8%, and surface is not damaged substantially.
Embodiment 2
The 3rd thermostat 403 is warming up to 28 DEG C by central controller 404, the second thermostat 402 is warming up to 42 DEG C, After one thermostat 401 is warming up to 50 DEG C, sensitization mixed material, mass ratio are added:Emulsified bases 3kg, glass microsphere 1.345kg, Titantium hydride 0.066kg, first adds half emulsified bases, 1/2 glass microsphere, the control 30 turns/min of rotating speed of agitating shaft 102 to puddle 2min, adds remaining emulsified bases and remaining glass microsphere, puddles 3min, adds titantium hydride and puddles 2-3min, after mixing, beats Conveyer, pellet device are opened, until expecting.
The emulsion explosion velocity 2900m/s of preparation, shape explosive, tack-free, medicine needed for explosive welding are made with the explosive Amount is accurate, good control, lays uniform, and efficiency high is used for 8mm substrates aluminium sheet, the explosive welding of 0.8mm compound plate titanium plates, titanium after blast Aluminium compound interface is firmly combined with, and Percentage bound reaches 98.1%, and surface is not damaged substantially.
Embodiment 3
The 3rd thermostat 403 is warming up to 26 DEG C by central controller 404, the second thermostat 402 is warming up to 40 DEG C, After one thermostat 401 is warming up to 48 DEG C, sensitization mixed material, mass ratio are added:Emulsified bases 2.8kg, glass microsphere 1.49kg, Titantium hydride 0.175kg.Half emulsified bases, 1/3 glass microsphere is first added to control the 42 turns/min of rotating speed of agitating shaft 102, puddle 2min, adds remaining emulsified bases and remaining glass microsphere, puddles 3min, adds titantium hydride and puddles 2-3min, after mixing, beats Conveyer, pellet device are opened, until expecting.
The explosion velocity of explosive 2780m/s of preparation, shape explosive needed for explosive welding is made with the explosive, and tack-free, dose is smart Really, good control, lays uniform, and efficiency high is used for 4mm substrate aluminium sheets, the explosive welding of 0.5mm compound plate titanium plates, and titanium aluminium is answered after blast Close interface cohesion firmly, Percentage bound reaches 98.2%, and surface is not damaged substantially.
Embodiment 4
The 3rd thermostat 403 is warming up to 29 DEG C by central controller 404, the second thermostat 402 is warming up to 40 DEG C, After one thermostat 401 is warming up to 50 DEG C, sensitization mixed material, mass ratio are added:Emulsified bases 2.8kg, glass microsphere 1.81kg, Titantium hydride 0.056kg, first adds half emulsified bases, 1/2 glass microsphere to control the 35 turns/min of rotating speed of agitating shaft 102, puddle 2min, adds remaining matrix and glass microsphere, puddles 3min, adds titantium hydride and puddles 2-3min, after mixing, after mixing, beats Conveyer, pellet device are opened, until expecting.
The explosion velocity of explosive 2870m/s of preparation, shape explosive needed for explosive welding is made with the explosive, and tack-free, dose is smart Really, good control, lays uniform, efficiency high, for 3mm substrates steel plate, 0.1mm compound plate copper coins, Copper steel cladding interface knot after blast Close firm, Percentage bound reaches 98%, and surface is not damaged substantially.
Embodiment 5
The 3rd thermostat 403 is warming up to 33 DEG C by central controller 404, the second thermostat 402 is warming up to 43 DEG C, After one thermostat 401 is warming up to 55 DEG C, sensitization mixed material, mass ratio are added:Emulsified bases 3kg, glass microsphere 1.578kg, Titantium hydride 0.066kg, first adds half emulsified bases, 1/2 glass microsphere to control the 37 turns/min of rotating speed of agitating shaft 102, puddle 2min, adds remaining matrix, and glass microsphere puddles 3min, adds titantium hydride and puddle 2-3min, after mixing, opens transmission dress Put, pellet device, until expecting.
The explosion velocity of explosive 2800m/s of preparation, shape explosive needed for explosive welding is made with the explosive, and tack-free, dose is smart Really, good control, lays uniform, efficiency high, for 10mm substrates aluminium sheet, the explosive welding of 0.7mm compound plate titanium plates, titanium aluminium after blast Compound interface is firmly combined with, and Percentage bound reaches 98.5%, and surface is not damaged substantially.

Claims (7)

1. emulsion, is made up of emulsified bases and sensitizer, it is characterised in that:Sensitizer is by glass microsphere and titantium hydride group Into mass ratio shared by emulsified bases is 55-85%, and mass ratio shared by glass microsphere is 14-44%, and mass ratio shared by titantium hydride is 0.4-1.5%.
2. emulsion according to claim 1, it is characterised in that:Titantium hydride Chun Du≤98.0%, granularity be 200 mesh- 300 mesh.
3. emulsion according to claim 1, it is characterised in that:Mass ratio shared by emulsified bases is 70%, and glass is micro- Mass ratio shared by ball is 29%, and mass ratio shared by titantium hydride is 1%.
4. the method that emulsion is granulated, it is characterised in that comprise the following steps:
A, in 45-60 DEG C of temperature range add 1/2 emulsified bases, 1/3~1/2 glass microsphere, at the uniform velocity stir 2min;
B, remaining emulsified bases and glass microsphere are added in 45-60 DEG C of temperature range, at the uniform velocity stir 3min;
C, titantium hydride is added in 45-60 DEG C of temperature range, at the uniform velocity stir 2~3min, emulsified bases, glass microsphere, titantium hydride It is mixed to form paste emulsion explosive;
D, in 25-35 DEG C of temperature range by paste emulsion explosive pelletizing.
5. the mixed medicine of emulsion physical sensitization granulates all-in-one, it is characterised in that:Including mixing device, conveyer, pelletizing dress Put, attemperating unit;
Mixing device includes mixing chamber (101), agitating shaft (102), batch mixing motor (103), and mixing chamber is provided with charging on (101) Mouth (104), mixing chamber (101) is tubular structure, and the barrel of mixing chamber (101) is bilayer, is filled between the double-deck barrel Heat preserving and insulating material, agitating shaft (102) is arranged in mixing chamber (101), and the quantity of agitating shaft (102) is no less than two, stirring Axle (102) is driven by batch mixing motor (103);
Conveyer includes barrel (201), extrusion screw rod (202), extruder motor (203), and extrusion screw rod (202) is arranged on barrel (201) in, extrusion screw rod (202) is driven by extruder motor (203);
Pellet device includes pelletizing flange (301), blade (302), knife rest (303), cutter shaft (304), pelletizing motor (305), cuts Several equally distributed extrusion cavities, knife face and the pelletizing flange of blade (302) are provided with the end face of grain flange (301) (301) end face laminating, blade (302) is arranged on knife rest (303), and knife rest (303) is connected with cutter shaft (304), cutter shaft (304) Driven by pelletizing motor (305);
Attemperating unit includes the first thermostat (401), the second thermostat (402), the 3rd thermostat (403), central controller (404), the first thermostat (401) is arranged in mixing chamber (101), and the second thermostat (402) is arranged in barrel (201), the Three thermostats (403) are arranged on pelletizing flange (301), central controller (404) respectively with the first thermostat (401), second Thermostat (402), the 3rd thermostat (403) are electrically connected with;
Splicing car (501), splicing car (501) is arranged on pelletizing flange (301) lower section;
Mixing chamber (101) bottom is connected in one end of barrel (201), and the other end of barrel (201) connects pelletizing flange (301).
6. the mixed medicine of emulsion physical sensitization according to claim 5 granulates all-in-one, it is characterised in that:Splicing car (501) vibratory sieve (502) is provided with.
7. the mixed medicine of emulsion physical sensitization according to claim 5 granulates all-in-one, it is characterised in that:Also include dust-proof Cover (601), mixing chamber (101) and barrel (201) are arranged in dust cover (601), and the charging aperture (104) of mixing chamber (101) is stretched Go out dust cover (601) outward.
CN201710252941.8A 2017-04-18 2017-04-18 The method and physical sensitization of emulsion and granulation mix medicine and are granulated all-in-one machine Active CN106883083B (en)

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