CN106392091A - Preparation equipment for metallic nano powder and use method of preparation equipment - Google Patents
Preparation equipment for metallic nano powder and use method of preparation equipment Download PDFInfo
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- CN106392091A CN106392091A CN201611091102.4A CN201611091102A CN106392091A CN 106392091 A CN106392091 A CN 106392091A CN 201611091102 A CN201611091102 A CN 201611091102A CN 106392091 A CN106392091 A CN 106392091A
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- reactor
- nano powder
- speed increaser
- metal nano
- wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Preparation equipment for metallic nano powder comprises a feeding mechanism, a reactor, a high-pressure generator, a cyclone collector, a high-pressure fan and a cooler; the reactor is a vertical reactor; a first air outlet is formed in the top of the reactor; a funnel-shaped collecting device is arranged at the bottom of the reactor and comprises a first air inlet and a discharging port; the feeding mechanism and the high-pressure generator are located at the upper part of the collecting device; the cyclone collector comprises a second air outlet formed in the top, a second air inlet formed in the side and a collector arranged at the bottom; the cyclone collector communicates with the reactor through an air pipe connecting the first air outlet with the second air inlet; the high-pressure fan communicates with the cyclone collector through an air pipe and is connected with a condenser through an air pipe; and the condenser communicates with the collecting device via the first air inlet through an air pipe and supplies cold air to the reactor through the collecting device. With the equipment, metal wire residues and large-particle metallic nano powder can be effectively separated from metallic nano powder with the target particle size.
Description
Technical field
The invention belongs to blasting prepares the technical field of metal nano powder and in particular to a kind of blasting metal nano powder
Preparation equipment and its using method.
Background technology
Nano material refers to the molecular new material of grain that particle size is 1～100nm, because its size is little, ratio
Surface area is big and quantum size effect, is allowed to there is the property that conventional coarse grain material does not possess, in light absorbs, sensitivity, urges
The aspect such as change and other functional characteristic shows noticeable application prospect.In recent years, nano-powder and its manufacturing technology are sent out
Exhibition is very fast, occurs in that diversified process for preparing nm powder, most often Gas condensation method, arc process, blast
The silk method such as method and electronation.
Exploding wires method is in certain medium or vacuum, applies high voltage transient to silk conductor and produces powerful pulse
Electric current, makes fusing in the conductor short time, gasification, expands, explode.Its explosion product is high in the presence of explosion wave
Speed, to surrounding sputtering, forms nanometer powder after cooling.Discharge-induced explosion wire, as one of metal nano powder preparation, has
Equipment volume is little, and energy consumption is low, the big feature of yield.But, the metal nano powder tool of traditional discharge-induced explosion wire equipment preparation
There is the shortcomings of particle diameter distribution is wide, and bulky grain is more；Meanwhile, under high pressure, the reactor wall of metal material is also easily by gasification shape
Become metallic vapour, cause the pollution to metal nano powder.
Content of the invention
In order to overcome the defect of prior art, it is an object of the invention to provide a kind of metal nano powder Preparation equipment, energy
Enough effectively wire residue is separated with target grain size metal nano powder with bulky grain metal nano powder, so that the metal of collection is received
Ground rice narrow diameter distribution, bulky grain is less；Meanwhile, solve between residue and electrode plate with high voltage by being stained with the insulation material of dust
The problem of electric discharge between material；Also solve the pollution problem to nano material for the cavity wall material gasification.Present invention also offers using gold
The method belonging to nano powder Preparation equipment.
The present invention is realized in：
A kind of metal nano powder Preparation equipment, including feeding mechanism, reactor, high pressure generator, cyclone collector, high pressure
Blower fan and cooler,
Described reactor is vertical type reactor, and described reactor head arranges the first air outlet, described reactor bottom
Setting infundibulate collection device, described collection device includes the first air inlet and discharge gate, and described first air inlet is located at described
The sidepiece of collection device, described discharge gate is located at the bottom of described collection device,
Described feeding mechanism and described high pressure generator are located at the top of described collection device,
Described cyclone collector includes the second air outlet, the second air inlet of sidepiece and the gathering materials of bottom being arranged on top
Device, described cyclone collector passes through to connect the first air outlet and the airduct of the second air inlet is connected with reactor,
Described high pressure positive blower is connected with described cyclone collector by airduct,
Described high pressure positive blower is connected with described condenser by airduct, described condenser pass through airduct through the first air inlet with
Described collection device connection, supplies cold air by described collection device to described reaction chamber.
Preferably, described reactor includes shell of reactor and reactor linings, and the material of described reactor linings is poly-
Tetrafluoroethene.
Preferably, described high pressure positive blower includes decelerator, speed increaser, base and fan blade,
Described decelerator includes reducer input shaft, reducer output shaft and black box, and described black box is located at institute
State on reducer output shaft,
Described speed increaser includes output shaft of the speed increaser,
Described base includes base plate through holes,
Described decelerator is connected with described speed increaser by described reducer output shaft, and described speed increaser is located at described base
Top, described fan blade is located at described base bottom, described speed increaser pass through described output shaft of the speed increaser through described base plate through holes and
Described fan blade is connected,
Described decelerator, described speed increaser and described fan blade form decelerator-speed increaser-blade driving structure.
Preferably, described high pressure positive blower also includes hermetically sealed case, and described hermetically sealed case is inverted U-shaped, outside described sealing
Set includes hermetically sealed case through hole, and described decelerator is located at the top of described hermetically sealed case, and described reducer output shaft passes through described
Hermetically sealed case through hole is connected with described speed increaser, and described speed increaser is located inside described hermetically sealed case, and described base is close with described
Envelope overcoat is fixedly connected.
Preferably, described high pressure positive blower also includes seal receptacle, described seal receptacle be located at described speed increaser and described base it
Between, it is fixedly connected with described speed increaser and described base.
Preferably, described black box includes axle sleeve and sealing ring, and described sealing ring is located at the bottom of described axle sleeve, described
Axle sleeve is copper bush, the position that described black box is connected with described hermetically sealed case positioned at described reducer output shaft.
Preferably, described feeding mechanism includes wire tray, whole machine support, wire leading pipe, coalignment and/or driving means, its
In：
Described wire tray, described coalignment, described driving means and described wire leading pipe are sequentially connected by wire,
Described wire tray is arranged on one end of described whole machine support, and described wire leading pipe is arranged on the another of described whole machine support
End, described coalignment and described driving means are located at the inside of described whole machine support.
Preferably, described coalignment includes alignment copper pipe and copper pipe fixator, and described alignment copper pipe passes through described copper pipe
Fixator is fixed,
Described driving means include driving wheel, driven pulley and driven pulley compactor, and wire passes through described driving wheel and institute
State the passage between driven pulley, described driven pulley compactor is connected with described driven pulley, for compressing described driven pulley.
Preferably, described feeding mechanism also includes adjusting means, and described adjusting means includes regulator bracket, left rotation and right rotation
Axle and upper-lower rotating shaft, described regulator bracket is fixed on described whole machine support, described left-right rotary rotating shaft and described upper backspin
Rotating shaft is intersected with described wire leading pipe and connects setting, for adjusting angle wiry.
According to a further aspect in the invention, a kind of method using above-mentioned metal nano powder Preparation equipment, walks including following
Suddenly：
S1：Charging：Wire stretches charging in feeding mechanism,
S2：Gasification：Gasify under the wire high voltage that high pressure generator produces in the reactor, form metallic vapour,
S3：Condensation：Metallic vapour run into below reactor come cooling gas after condensation formed metal nano powder, residue and
Bulky grain is fallen in the collection device of reactor bottom, and tiny metal nano powder enters cyclone collector with air-flow,
S4：Gas solid separation：In cyclone collector, metal nano powder is separated with air-flow, and metal nano powder enters whirlwind and divides
From the loading head of device bottom, gas enters high pressure positive blower through pipeline,
S5：Cooling：Gas enters cooler under high pressure positive blower effect and is cooled down,
S6：Air-supply：Gas after cooling reenters reactor bottom, completes one cycle.
Compared with prior art, the invention has the advantages that：
(1) adopt vertical type reaction chamber, cooling gas enter reaction chamber by bottom, the residue producing after wire gasification and
Bulky grain falls into bottom under gravity, and cooling gas can equably cool down to cavity electrode and electrode plate with high voltage；
(2) increase the reaction chamber liner of setting material, solve the pollution problem to nano material for the cavity wall material gasification；
(3) residue distance high-voltage battery lead plate is distant, solves between residue and electrode plate with high voltage by being stained with dust
The problem of electric discharge between insulating materials；
(4), in high pressure positive blower, using speedup, ways of deceleration, in the way of low speed bearing dynamic sealing, reduce sealing ring
Abrasion, extends the service life of system；
(5), in feeding mechanism, aligning method, the method motion portion are combined using alignment copper pipe-straightening-wheel (driving means)
Part is few, good reliability under high dust and hyperbaric environment.
Brief description
Fig. 1 is metal nano powder Preparation equipment schematic diagram.
Fig. 2 is reactor schematic diagram.
Fig. 3 is feeding mechanism schematic diagram.
Fig. 4 is high pressure positive blower profile.
Mark in all accompanying drawings is as follows：
1- feeding mechanism, 101- wire tray, 102- wire, 103- alignment copper pipe, 104- copper pipe fixator, the whole machine of 105- props up
Frame, 106- driven pulley compactor, 107- driven pulley, 108- driving wheel, 109- regulator bracket, 110- left-right rotary rotating shaft, 111-
Upper-lower rotating shaft, 112- wire leading pipe, 2- reactor, 21- first air outlet, 22- shell of reactor, 23- reactor linings, 3- is high
Pressure generator, 4- cyclone collector, 41- second air outlet, 42- second air inlet, 43- collector, 5- high pressure positive blower, 501- subtracts
Fast device, 502-ABS axle, 503- copper bush, 504- sealing ring, 505- hermetically sealed case, 506- speed increaser, 507- seal receptacle, 508-
Base, the explosion-proof fan blade of 509-, 510- reducer output shaft, 511- base plate through holes, 512- output shaft of the speed increaser, 6- condenser, 7-
Collection device, 71- discharge gate, 72- first air inlet.
Specific embodiment
Describe exemplary embodiment, feature and the aspect of the present invention below with reference to accompanying drawing in detail.In accompanying drawing, identical is attached
Icon note represents the same or analogous part of function.Although the various aspects of embodiment shown in the drawings, unless special
Do not point out it is not necessary to accompanying drawing drawn to scale.
For a person skilled in the art it should be apparent that " forward and backward, upper and lower, left and right " of referring in the application etc.
Merely to the present invention can more intuitively be explained, above-mentioned direction word therefore in the text is not constituted to this for direction word
The restriction of the protection domain of invention.
As shown in Figures 1 to 4, a kind of metal nano powder Preparation equipment, occurs including feeding mechanism 1, reactor 2, high pressure
Device 3, cyclone collector 4, high pressure positive blower 5, cooler 6 and collection device 7.Feeding mechanism 1 and high pressure generator 3 are located at and collect dress
Put 7 top, and be all connected with reactor 2.Reactor 2 is connected with cyclone collector 4, for cyclone collector conveyer belt gold
Belong to the air-flow of nano powder.Cyclone collector 4 is connected with high pressure positive blower 5 by airduct, for by the gas after gas solid separation through height
Pressure fan is delivered in condenser 6 and is recycled, for recycling.
As shown in figure 3, feed mechanism 1 includes wire tray 101, coalignment, whole machine support 105, driving means, adjusting means
With wire leading pipe 112.Wire tray 101, coalignment, driving means and wire leading pipe 112 are sequentially connected by wire 102.Wire tray 101
It is arranged on one end of whole machine support 105.Wire leading pipe 112 is arranged on the other end of whole machine support 105.Coalignment and driving means
Inside positioned at whole machine support 105.Adjusting means is arranged on wire leading pipe 112, for adjusting the angle of wire 102.Using
Alignment copper pipe-straightening-wheel (driving means) is combined aligning method, and the method moving component is few, can under high dust and hyperbaric environment
Good by property
As shown in figure 3, preferred coalignment includes alignment copper pipe 103 and copper pipe fixator 104.Alignment copper pipe 103 passes through
Copper pipe fixator 104 is fixed.After copper pipe fixator 104 high-ranking officers' straight copper tube 103 is fixing, it can be avoided that alignment copper pipe 103 exists
The twisting resistance of wire 102 and the lower torsion of deformation force effect and rock, and then the straightening effect to wire 102 for the impact.Excellent
Alignment copper pipe 103 is selected to include S-shaped copper tube sections (non-diagram) and linear copper tube sections (non-diagram), S-shaped copper tube sections are located at
Copper pipe fixator 104 is near one end of wire tray 101.Because wire 102 is wrapped in wire tray 101, there is certain deformation force,
When pulling down wire 102 from wire tray 101, due to the effect of deformation force, wire has aduncate trend, institute
So that S-shaped copper pipe can preferably adapt to deformation wiry, plays the effect stretching transition.Linear copper tube sections are located at copper
Tube fixer 104 is away from one end of wire tray 101.Linear copper pipe stops the deformation force of wire 102 further, and forcibly will
Wire 102 stretches.The adjustable length of alignment copper pipe 103, can be adjusted according to the needs producing.
As shown in figure 3, whole machine support 105 is used for supporting fixing whole wire feeder.Meeting mechanical property and mechanicalness
In the case of requiring, the material of whole machine support 105 can be engineering plastics, such as ABS etc., to reach insulating properties, it is to avoid gold
The potential safety hazard belonging to whole machine support conduction and bringing.
As shown in figure 3, driving means include driving wheel 108, driven pulley 107 and driven pulley compactor 106.Through outside dynamic
Power drives, and driving wheel 108 is placed, and drives driven pulley 107 to rotate, to compress and to draw the metal through the preliminary alignment of coalignment
Silk 102.Wire is through the passage driving wheel 108 and driven pulley 107, and is sent to wire leading pipe 112.Driven pulley compactor
106 are connected with driven pulley 107, for compressing driven pulley 107.Driven pulley compactor 106, can according to the diameter of wire 102,
To adjust the space distance between driven pulley 107 and driving wheel 108, preferably to drive and straightening wire.Through dress of overdriving
Put drive and send out wire, be in the straight state of comparison in the length range of 30cm, therefore preferably driving means and seal wire
Distance between pipe 112 is less than 30cm, preferably to adapt to and to control wire 102, so that discharge-induced explosion is efficiently carried out.
As shown in figure 3, adjusting means includes regulator bracket 109, left-right rotary rotating shaft 110 and upper-lower rotating shaft 111.Adjust
Device be arranged on wire leading pipe 112 and with wire leading pipe 112 collective effect, to adjust angle wiry.Regulator bracket 109 is solid
It is scheduled on whole machine support 105, left-right rotary rotating shaft 110 is intersected with wire leading pipe 112 with upper-lower rotating shaft 111 and connects setting.Left-right rotary
Rotating shaft 110 and upper-lower rotating shaft 111 are arranged on regulator bracket 109.By adjusting left-right rotary rotating shaft 110, gold can be adjusted
Belong to the beat of silk 102 left and right directions angle；Place axle 111 up and down by adjusting, wire 102 above-below direction angle can be adjusted
Beat；By comprehensive adjustment left-right rotary rotating shaft 110 and upper-lower rotating shaft 111, wire angle up and down can be adjusted simultaneously
The beat of degree.By adjusting the caliber of wire leading pipe 112, the beat amount realizing wire angle up and down can be assisted.
As depicted in figs. 1 and 2, reactor 2 is vertical type reactor, and reactor 2 includes the first air outlet 21, outside reactor
Shell 22 and reactor linings 23.First air outlet 21 is located at the top of reactor 2.First air outlet is used for carrying metal nano
The air-flow of powder sends into cyclone collector 4 through the first air outlet.The material of preferred reactor liner 23 is polytetrafluoroethylene (PTFE), and setting is anti-
The purpose answering device liner 23 is to prevent metal class reactor material from gasifying under high voltages, pollutes metal nano powder.When
So, the material that liner material can also can prevent high voltage gasification for other, will not pollute to metal nano powder.
As shown in figure 1, cyclone collector 4 includes the second air outlet 41, the second air inlet 42 of sidepiece being arranged on top
Loading head 43 with bottom.Air-flow with metal nano powder enters to put in cyclone collector 4 through the second air inlet 42, divides through gas-solid
From rear, it is collected in metal nano powder entrance loading head 43, gas sends into condensation through the second air outlet 41 and through high pressure positive blower 5
In device 6.Cyclone collector at least 1 or continuous setting multiple, the gas with metal nano powder revolves through first
After metal nano powder collected by wind collector, enter back in follow-up cyclone collector and be collected, to improve the efficiency of collection, also subtract
The metal nano powder carrying in few gas, it is to avoid the pollution to gas.
As shown in figure 4, high pressure positive blower 5 includes decelerator 501, hermetically sealed case 505, speed increaser 506, seal receptacle 507, base
508 and fan blade.Decelerator 501 is connected with speed increaser 506 by reducer output shaft 510；Decelerator 501 is located at hermetically sealed case
505 top；Speed increaser 506 is located at the top of base 508；Speed increaser 506 is located inside hermetically sealed case 505；Seal receptacle 507
Between speed increaser 506 and base 508, it is fixedly connected with speed increaser 506 and base 508；Base 508 is solid with hermetically sealed case 505
Fixed connection；Fan blade is located at the bottom of base 508；Speed increaser 506 passes through output shaft of the speed increaser 512 through base plate through holes 511 and fan blade
It is connected.Decelerator-speed increaser-blade driving structure is defined between decelerator 501, speed increaser 506 and fan blade.This structure is with low
The mode of fast bearing dynamic sealing reduces the abrasion of black box, extends the service life of system.
As shown in figure 4, decelerator 501 includes reducer input shaft, reducer output shaft 510 and black box.Preferably subtract
Fast device input shaft is engineering plastics axle, such as ABS axle.Because engineering plastics have excellent combination property, rigidity is big, creep
Little, high mechanical strength, heat-resist, electrical insulating property is good, can use for a long time in harsher chemistry, physical environment.Use engineering
Plastics alternative metals, as reducer input shaft, can make driving means (as motor etc.) and blower fan be in the shape of thorough insulation
State, enables driving means safely to work under high impulse environment.Reducer output shaft 510 can be metal shaft or engineering plastic
Material axle, can play axle and connect driving effect.Decelerator 501 is connected with speed increaser 506 by reducer output shaft 510, drives
Dynamic speed increaser 506 operates.The position that black box is connected with hermetically sealed case 505 positioned at reducer output shaft 510.In handing-over position
Accommodating chamber (non-diagram) is opened up on the hermetically sealed case 505 put, black box is arranged in accommodating chamber.Black box includes axle sleeve
With sealing ring 504.Black box is used for sealing prevents the entrance of dust, and stablizes reducer output shaft to avoid in hermetically sealed case
Middle swing is operated with preferably driving speed increaser.Sealing ring 504 is located at the bottom of axle sleeve.Sealing ring can be rubber ring, metal
Circle etc., can play sealing effectiveness.Preferably axle sleeve is copper bush, is sleeved on reducer output shaft to avoid the swing of axle.
Axle sleeve can also be other metals or nonmetallic axle sleeve, can make axle stably.During use, external driver device passes through decelerator
Input shaft drives decelerator 501 to realize slowing down, and then drives speed increaser 506 to operate by reducer output shaft 510 and realizes increasing
Speed, to lift the velocity of rotation of fan blade, reaches movement and the collection promoting discharge-induced explosion metal nano powder by air-flow, and air-flow
The recycling of gas.
As shown in figure 4, hermetically sealed case 505 is inverted U-shaped.The opening of inverted U-shaped each extends over to both sides.Sealing is outer
Set includes hermetically sealed case through hole.Hermetically sealed case through hole is located at the top of inverted U-shaped.Preferably hermetically sealed case 505 is engineering plastics
Hermetically sealed case, such as ABS hermetically sealed case, engineering plastics can reach the effect of insulation, is further ensured that driving means and blower fan
Insulation.Decelerator 501 is located at the top of hermetically sealed case 505, and reducer output shaft 510 passes through hermetically sealed case through hole and speed increaser
It is connected, speed increaser 506 is located inside hermetically sealed case 505, the opening of the inverted U-shaped of base and hermetically sealed case is to the extension on both sides
Place is fixedly connected, and for speed increaser 506 limit is interposed between the inside of hermetically sealed case 505, reduces high voltage and high dust to speedup
The impact of device, has intercepted high voltage, the abrasion to decelerator black box of high dust and hyperbar further, has improve system
Sealing property, extends the service life of system.
As shown in figure 4, speed increaser 506 includes speed increaser input shaft and output shaft of the speed increaser 512.Speed increaser input shaft is also
It is the output shaft 510 of decelerator, namely decelerator 501 is connected with speed increaser 506, for driving by reducer output shaft 510
Speed increaser 506 operates to realize speedup.Preferably speed increaser 506 is fixed on seal receptacle 507, and seal receptacle 507 is fixed on base 508
On, speed increaser 506 is realized and wind by the sealing block hole on the sealed seat 507 of output shaft of the speed increaser 512 and base plate through holes 511
The connection of leaf, to drive the rotation of fan blade.Output shaft of the speed increaser 512 can be metal shaft or engineering plastics axle, can play axle even
Connect driving effect.
As shown in figure 4, seal receptacle 507 includes sealing block hole, pass through for output shaft of the speed increaser 512.Seal receptacle 507
It is fixedly connected between speed increaser 506 and base 508 and with the two.Seal receptacle 507 is used for sealing speed increaser 506 further,
To reduce, speed increaser, the service life of impact speed increaser are entered by the dust that base plate through holes enter.Seal receptacle 507 can be gold
Genus or the seal receptacle of nonmetallic materials, enable sealing function.
As shown in figure 4, base 508 includes base plate through holes 511.Base plate through holes 511 are used for passing through for output shaft of the speed increaser 512
And realize the drive connection with fan blade.Base 508 is equal with the inverted U-shaped opening two ends extension of hermetically sealed case 505 and seal receptacle 507
It is fixedly connected.Base 508 is used for supporting whole blower fan structure, isolation discharge-induced explosion room and driving means.
As shown in figure 4, fan blade is located at base bottom, speed increaser 506 passes through output shaft of the speed increaser 512 through base plate through holes 511
It is connected with fan blade and drive fan blade to rotate.Preferably fan blade is explosion-proof fan blade 509, in the environment of hyperbar, high voltage and high dust
In, service life can be improved.Certainly, fan blade can also be other kinds of fan blade.
As shown in figure 4, the position that can also connect with speed increaser 506 in reducer output shaft 510 arranges black box,
And/or hand over setting black box on the output shaft of the speed increaser 512 of position in seal receptacle 507 and base phase 508, or defeated in decelerator
Enter other positions on axle, reducer output shaft and output shaft of the speed increaser and black box is installed, to realize to whole blower fan system more
Good sealing.
As shown in figure 1, collection device 7 includes discharge gate 71 and the first air inlet 72.Collection device is funnel-shaped structure, just
Collect in collecting the bulky grain of generation and wire residue in discharge-induced explosion, and discharge through discharge gate 71.First air inlet is located to be received
The sidepiece of acquisition means, the gas producing in condenser 6 enters in reactor through the first air inlet.
According to a further aspect in the invention, a kind of method using above-mentioned metal nano powder Preparation equipment, walks including following
Suddenly：
S1：Charging：Wire stretches charging in feeding mechanism,
S2：Gasification：Gasify under the wire high voltage that high pressure generator produces in the reactor, form metallic vapour,
S3：Condensation：Metallic vapour run into below reactor come cooling gas after condensation formed metal nano powder, residue and
Bulky grain is fallen in the collection device of reactor bottom, and tiny metal nano powder enters cyclone collector with air-flow,
S4：Gas solid separation：In cyclone collector, metal nano powder is separated with air-flow, and metal nano powder enters whirlwind and divides
From the loading head of device bottom, gas enters high pressure positive blower through pipeline,
S5：Cooling：Gas enters cooler under high pressure positive blower effect and is cooled down,
S6：Air-supply：Gas after cooling reenters reactor bottom, completes one cycle.
Compared with prior art, the invention has the advantages that：
(1) adopt vertical type reaction chamber, cooling gas enter reaction chamber by bottom, the residue producing after wire gasification and
Bulky grain falls into bottom under gravity, and cooling gas can equably cool down to cavity electrode and electrode plate with high voltage；
(2) increase the reaction chamber liner of setting polytetrafluoroethylene (PTFE) material, solve cavity wall material and gasify to nano material
Pollution problem；
(3) residue distance high-voltage battery lead plate is distant, solves between residue and electrode plate with high voltage by being stained with dust
The problem of electric discharge between insulating materials；
(4), in high pressure positive blower, using speedup, ways of deceleration, in the way of low speed bearing dynamic sealing, reduce sealing ring
Abrasion, extends the service life of system；
(5), in feeding mechanism, aligning method, the method motion portion are combined using alignment copper pipe-straightening-wheel (driving means)
Part is few, good reliability under high dust and hyperbaric environment.
Finally it should be noted that：Above-described each embodiment is merely to illustrate technical scheme, rather than to it
Limit；Although being described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：
It still can be modified to the technical scheme described in previous embodiment, or wherein part or all of technical characteristic is entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The scope of case.
Claims (10)
1. a kind of metal nano powder Preparation equipment, including feeding mechanism, reactor, high pressure generator, cyclone collector, high-pressure blast
Machine and cooler it is characterised in that：
Described reactor is vertical type reactor, and described reactor head arranges the first air outlet, described reactor bottom setting
Infundibulate collection device, described collection device includes the first air inlet and discharge gate, and described first air inlet is located at described collection
The sidepiece of device, described discharge gate is located at the bottom of described collection device,
Described feeding mechanism and described high pressure generator are located at the top of described collection device,
Described cyclone collector includes the second air outlet, the second air inlet of sidepiece and the loading head of bottom being arranged on top,
Described cyclone collector passes through to connect the first air outlet and the airduct of the second air inlet is connected with reactor,
Described high pressure positive blower is connected with described cyclone collector by airduct,
Described high pressure positive blower is connected with described condenser by airduct, described condenser pass through airduct through the first air inlet with described
Collection device connects, and supplies cold air by described collection device to described reaction chamber.
2. metal nano powder Preparation equipment according to claim 1 it is characterised in that：Described reactor is included outside reactor
Shell and reactor linings, the material of described reactor linings is polytetrafluoroethylene (PTFE).
3. metal nano powder Preparation equipment according to claim 1 and 2 it is characterised in that：Described high pressure positive blower includes subtracting
Fast device, speed increaser, base and fan blade,
Described decelerator includes reducer input shaft, reducer output shaft and black box, and described black box is located at described subtracting
On fast device output shaft,
Described speed increaser includes output shaft of the speed increaser,
Described base includes base plate through holes,
Described decelerator is connected with described speed increaser by described reducer output shaft, and described speed increaser is located on described base
Portion, described fan blade is located at described base bottom, and described speed increaser is by described output shaft of the speed increaser through described base plate through holes and institute
State fan blade to be connected,
Described decelerator, described speed increaser and described fan blade form decelerator-speed increaser-blade driving structure.
4. metal nano powder Preparation equipment according to claim 3 it is characterised in that：Described high pressure positive blower also includes sealing
Overcoat, described hermetically sealed case is inverted U-shaped, and described hermetically sealed case includes hermetically sealed case through hole, and described decelerator is located at described
The top of hermetically sealed case, described reducer output shaft is connected through described hermetically sealed case through hole with described speed increaser, described speedup
Device is located inside described hermetically sealed case, and described base is fixedly connected with described hermetically sealed case.
5. metal nano powder Preparation equipment according to claim 4 it is characterised in that：Described high pressure positive blower also includes sealing
Seat, described seal receptacle is located between described speed increaser and described base, is fixedly connected with described speed increaser and described base.
6. metal nano powder Preparation equipment according to claim 3 it is characterised in that：Described black box include axle sleeve and
Sealing ring, described sealing ring is located at the bottom of described axle sleeve, and described axle sleeve is copper bush, and described black box is located at described deceleration
The position that device output shaft is connected with described hermetically sealed case.
7. metal nano powder Preparation equipment according to claim 1 it is characterised in that：Described feeding mechanism include wire tray,
Whole machine support, wire leading pipe, coalignment and/or driving means, wherein：
Described wire tray, described coalignment, described driving means and described wire leading pipe are sequentially connected by wire,
Described wire tray is arranged on one end of described whole machine support, and described wire leading pipe is arranged on the other end of described whole machine support, institute
State coalignment and described driving means are located at the inside of described whole machine support.
8. metal nano powder Preparation equipment according to claim 7 it is characterised in that：
Described coalignment includes alignment copper pipe and copper pipe fixator, and described alignment copper pipe is carried out solid by described copper pipe fixator
Fixed, described driving means include driving wheel, driven pulley and driven pulley compactor, and wire passes through described driving wheel and described driven
Passage between wheel, described driven pulley compactor is connected with described driven pulley, for compressing described driven pulley.
9. the metal nano powder Preparation equipment according to claim 7 or 8 it is characterised in that：Described feeding mechanism also includes
Adjusting means, described adjusting means includes regulator bracket, left-right rotary rotating shaft and upper-lower rotating shaft, and described regulator bracket is fixed
On described whole machine support, described left-right rotary rotating shaft is intersected with described wire leading pipe with described upper-lower rotating shaft and connects setting, is used for
Adjust angle wiry.
10. a kind of usage right require metal nano powder Preparation equipment described in any one of 1-9 method it is characterised in that：Including
Following steps：
S1：Charging：Wire stretches charging in feeding mechanism,
S2：Gasification：Gasify under the wire high voltage that high pressure generator produces in the reactor, form metallic vapour,
S3：Condensation：Condensation after metallic vapour runs into the cooling gas come below reactor forms metal nano powder, residue and big
Grain is fallen in the collection device of reactor bottom, and tiny metal nano powder enters cyclone collector with air-flow,
S4：Gas solid separation：In cyclone collector, metal nano powder is separated with air-flow, and metal nano powder enters cyclone separator
The loading head of bottom, gas enters high pressure positive blower through pipeline,
S5：Cooling：Gas enters cooler under high pressure positive blower effect and is cooled down,
S6：Air-supply：Gas after cooling reenters reactor bottom, completes one cycle.
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| CN111602671A (en) * | 2020-05-27 | 2020-09-01 | 河北复朗施纳米科技有限公司 | Process method for preparing nano-silver disinfectant based on electric explosion method |
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|---|---|
| CN106392091B (en) | 2018-05-11 |
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Denomination of invention: Preparation equipment for metallic nano powder and use method of preparation equipment Effective date of registration: 20190725 Granted publication date: 20180511 Pledgee: Guangdong Zhongying Shengda Financing Guarantee Investment Co.,Ltd. Pledgor: FOSHAN KINNA NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: 2019440000274 |
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Denomination of invention: A kind of metal nano-powder preparation equipment and using method thereof Effective date of registration: 20220805 Granted publication date: 20180511 Pledgee: Guangdong Zhongying Shengda Financing Guarantee Investment Co.,Ltd. Pledgor: FOSHAN KINNA NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2022980012116 |