CN106077685A - A kind of vacuum melting gas-atomized powder equipment - Google Patents
A kind of vacuum melting gas-atomized powder equipment Download PDFInfo
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- CN106077685A CN106077685A CN201610714357.5A CN201610714357A CN106077685A CN 106077685 A CN106077685 A CN 106077685A CN 201610714357 A CN201610714357 A CN 201610714357A CN 106077685 A CN106077685 A CN 106077685A
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- functional module
- dolly
- melting
- tundish
- cylinder
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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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
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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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0888—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
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Abstract
A kind of vacuum melting gas-atomized powder equipment, including smelting furnace body, at least 2 tundish functional modules, travel mechanism and atomising device；This internal melting kettle that is provided with of described smelting furnace, described melting kettle pours into a mould batch turning by batch turning electric lift to tundish functional module；Described tundish functional module is arranged on smelting furnace, and this is the most internal, is positioned at above atomising device, and tundish functional module is by travel mechanism can this most internal does horizontal sliding and/or oscilaltion campaign, for the replacing use of tundish functional module at smelting furnace；Described tundish functional module is connected with atomising device.The simple in construction of this vacuum melting gas-atomized powder equipment, by using multiple tundish functional modules and supporting travel mechanism, realize the replacing between multiple tundish functional module, and then necessary stop production to overhaul when tundish functional module breaks down in solution prior art, it is impossible to serialization carries out a difficult problem for vacuum melting gas-atomized powder operation；Easy to operate.
Description
Technical field
The present invention relates to a kind of gas-atomized powder equipment, especially relate to a kind of vacuum melting gas-atomized powder equipment.
Background technology
Atomization powder-making technique is to produce metal and the main method of alloy powder, and atomized powder has powder size can
Control, oxygen content is low, production cost is low and adapts to the advantage such as production of various metals and alloy powder, it has also become high performance alloys
The main development direction of powder technology of preparing.Along with the appearance of powder metallurgy new technology new material and powder raw material are on surface
Application in the industry such as engineering, electronics, chemical industry, laser rapid prototyping, military affairs, to the requirement of alloy powder towards fine, high-purity,
Spheroidization direction is developed, and this driving force promotes the development of powder atomization production technology.
At present, traditional powder by atomization equipment is that melting separates with current limliting running gate system, metal in smelting furnace melting with
After, to topple over and be cast in the middle of current-limiting type in bottom pour ladle, this process is open environment, it is impossible to be controlled oxygen atmosphere, it is difficult to system
Standby low oxygen content high-test metal powder.
CN 104227005 A discloses a kind of integral type melting current limliting cast atomization and prepares metal dust equipment, by melting
Seal protection room, pneumatic/hydraulicefficiency elevation structure, sensing or resistance-type and add hot smelting Citrus chachiensis Hort. misfortune, temperature control measurement module, hollow bar
Shape spool, current limliting casting valve gate seat, current limliting mozzle, atomiser system, powder collect the composition of Tower System, whole equipment metal
Melting current limliting cast atomization unitary design mechanism, sensing or resistance-type add hot smelting pincers pot be placed in melting seal protection indoor,
During metal molten, hollow rod shape spool presses current limliting casting valve gate seat, and current limliting cast valve is in the closed position, hollow bar
Integrated temperature measurement module in the hollow pipe of shape spool, this module contains two groups of temperature measuring unit, can be to smelting temperature, cast throttle orifice
Temperature is measured in real time, after reaching to pour into a mould atomization temperature, by pneumatic/hydraulicefficiency elevation structure elevating control hollow rod shape spool
With current limliting casting valve gate seat opening and closing degree, realize atomization metal flow velocity size is controlled to adjust；Now, hollow rod shape valve it is placed in
The temperature of in-core controls measurement module and can monitor cast atomization temperature in real time, and molten metal passes through current limliting casting valve gate seat,
Arrive atomiser system high energy WATER AS FLOW MEDIUM or gas via current limliting mozzle to conflux focal position；During this, metal liquid is at stream
It is atomized device system high energy WATER AS FLOW MEDIUM in the case of speed, controlled temperature or the atomization of gas impact grinding is metal dust, prepare powder
End is deposited in powder collection Tower System and is collected.Metal dust equipment is prepared in the cast atomization of this integral type melting current limliting, due to
Its hollow rod shape spool, current limliting casting valve gate seat and current limliting diversion column are single structure, when there is blocking in current limliting diversion column, and mist
The processing of metal dust is prepared in change to be needed to interrupt, and just can overhaul, it is impossible to realizes continuous way and produces, and reduces powder by atomization effect
Rate.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, easy to use
Vacuum melting gas-atomized powder equipment, during vacuum melting aerosolization, blocking etc. occurs when middle packet function module therefore
During barrier, it is simple to the replacing of tundish functional module, it is achieved serialization vacuum melting powder by atomization operates.
The technical solution adopted for the present invention to solve the technical problems is: a kind of vacuum melting gas-atomized powder equipment, bag
Include smelting furnace body, at least 2 tundish functional modules, travel mechanism and atomising device；Described smelting furnace this most internal be provided with molten
Refining crucible, described melting kettle pours into a mould batch turning by batch turning electric lift to tundish functional module；Described tundish function
Module is arranged on smelting furnace, and this is internal, is positioned at above atomising device, and tundish functional module can be at smelting furnace by travel mechanism
Basis is the most internal does horizontal sliding and/or oscilaltion campaign, and the replacing for tundish functional module uses；Described tundish function
Module is connected with atomising device.
Further, tundish functional module is made up of tundish, heating arrangements and nebulizer.
Further, the quantity of described tundish functional module is 2 ~ 6, preferably 2.
Further, described travel mechanism includes mobile dolly, slipping mechanism, elevating mechanism and drive mechanism；Described movement
Dolly includes that first moves dolly and second and move dolly, and 2 tundish functional modules are placed first respectively and moved dolly and
Two move on dolly；Described mobile dolly is placed on band steel track, is driven by slipping mechanism, drives tundish functional module
Can horizontal sliding along band steel track；Described mobile dolly is also connected with elevating mechanism, and drives tundish merit by elevating mechanism
Can module move up and down；Described slipping mechanism and elevating mechanism are driven by drive mechanism.
Further, described drive mechanism includes driving motor, upper driving track and lower driving track；Described driving motor leads to
Cross screw mandrel to be connected with upper driving track, lower driving track；It is equipped with master slider in described upper driving track and lower driving track, main
Slide block is connected with screw mandrel, and with rotation sliding in driving track of screw mandrel, the left and right side of master slider lower end is respectively equipped with right fastening
Post, left fastening post；Master slider is connected with slipping mechanism, elevating mechanism, for driving first to move dolly, second moving dolly and do
Left and right sliding or elevating movement.Described driving track is arranged over track dust block board, and its side is additionally provided with cable support frame and electricity
Cable support bar, described cable support bar is fixed on cable support frame.
Further, described elevating mechanism includes left lifting slider, right lifting slider, arc pull bar and rotating disk, described rotation
Rotating disk is connected by pillar is fixing with mobile dolly；One end of described arc pull bar is connected with rotating disk, first move dolly,
Two other ends moving the arc pull bar on dolly drive the left lifting slider on track and right lifting slider with being arranged on respectively
Connect；Left lifting slider and right lifting slider lay respectively at the left side of master slider, right side.
Further, described slipping mechanism includes left slider, right slide block；Described left slider is arranged on master slider and right elevator
Between structure, fastened with right fastening post by left buckling piece, be flexibly connected with master slider；Right slide block is arranged on master slider and left lifting
Between mechanism, fastened with left fastening post by right buckling piece, be flexibly connected with master slider；Described left slider, right slide block lead to respectively
Cross lower guide rod, top guide bar is connected with left lifting slider, right lifting slider, is provided with little with mobile in the middle part of described lower guide rod, top guide bar
The driving lever that car connects.
Further, described smelting furnace body includes melting cylinder, fire door, operating platform and switch board；Described melting cylinder
Offering thermometer hole, thief hole, charging aperture and access hole on body, thermometer hole connects temperature control mechanism；Thief hole connection takes
Sampling device, described charging aperture connects feeding device, and access hole is provided with maintenance door, and maintenance door is fixed by rotating shaft or hinge
On melting cylinder；Melting cylinder side is provided with fire door, is provided with roller bottom described fire door, and fire door is connected with movable motor, and
Driven by movable motor and do arcuate rotation along fire door moving track；Described switch board include instrument cabinet, 2 intermediate frequency switch boards and
Capacitor box, electric capacity is fixed on cabinet fire door, and described capacitor box is electrically connected with the melting kettle in smelting furnace body by external copper bar.
Further, melting cylinder is additionally provided with relief valve, explosion-proof shot-light, melting observation window and batch turning observation window.
Further, sampler includes thief rod, sampling head, vacuum valve, transition cylinder, water jacket cylinder and operation handle；
Described water jacket cylinder is fixed on vacuum melting furnace, is provided with vacuum valve in the middle part of it；Water jacket cylinder also connects with air intake installation, air inlet
Device is positioned at above vacuum valve；The upper end of water jacket cylinder is connected with transition cylinder bottom, transition cylinder, vacuum valve, water jacket cylinder
Form a sample transition holding chamber；Described operation handle is fixed on transition cylinder；Described thief rod is connected with operation handle,
The end of described thief rod connects sampling head.
Further, temperature measuring equipment includes temperature thermocouple, grip block, swing arm, expansion link, sealing mechanism and rotation hands
Handle；Described temperature thermocouple is fixed on grip block, and its one end is connected with high temperature electric wire；Described grip block passes through swing arm and stretches
One end of contracting bar connects, and the other end of expansion link is connected with rotary handle, and in the expansion link end near rotary handle one end
Being provided with sealing mechanism, described expansion link is fixed on working chamber's body of heater by sealing mechanism.
The beneficial effect of the present invention a kind of vacuum melting gas-atomized powder equipment:
1) simple in construction of this vacuum melting gas-atomized powder equipment, by using multiple tundish functional modules and supporting
In travel mechanism, it is achieved the replacing between multiple tundish functional modules, and then solution prior art, tundish functional module is sent out
Necessary stop production to overhaul during raw fault, it is impossible to serialization carries out a difficult problem for vacuum melting gas-atomized powder operation；
2) by arranging buckling piece, the fastening structure of fastening post, Ke Yishi between the master slider and slipping mechanism of drive mechanism
Now to the coordinated signals of 2 mobile dollies or individually control；Slipping mechanism and elevating mechanism is realized again by top guide bar, lower guide rod
Coordinated signals, simplifies the driving structure of tundish functional module more changing device, easy to operate；
3) by installing vacuum valve and transition cylinder on vacuum melting body of heater, separate operations is used to complete sampling, it is achieved very
It is sampled under empty condition, it is to avoid sampling operation is on the impact of vacuum in vacuum melting furnace；
4) by rotating rotary handle, the offset relation of temperature thermocouple and crucible center can be regulated, by adjusting flexible rotation
Button, the length of adjustable telescopic rod, temperature thermocouple and crucible longitudinal pitch can be regulated, and then improve the measurement of temperature thermocouple
Accuracy, and extend the service life of temperature thermocouple；By using sealing mechanism, the vacuum that can meet vacuum melting furnace is close
Envelope requirement, it is also possible at high temperature use.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention a kind of vacuum melting gas-atomized powder equipment；
Fig. 2 is the front view of the present invention a kind of vacuum melting gas-atomized powder equipment；
Fig. 3 is the left view of the present invention a kind of vacuum melting gas-atomized powder equipment；
Fig. 4 is the top view of the present invention a kind of vacuum melting gas-atomized powder equipment；
Fig. 5 is the structural representation of the use state (during oven door opening) of the present invention a kind of vacuum melting gas-atomized powder equipment
Figure；
Fig. 6 is that in the present invention a kind of vacuum melting gas-atomized powder equipment, tundish functional module is tied with the three-dimensional of moving structure
Structure schematic diagram；
Fig. 7 is the facing of tundish functional module and moving structure in the present invention a kind of vacuum melting gas-atomized powder equipment
Figure；
Fig. 8 is Section A-A sectional view in Fig. 7；
Fig. 9 is section B-B sectional view in Fig. 8；
Figure 10 is the enlarged diagram in Fig. 8 at C；
Figure 11 is that in the present invention a kind of vacuum melting gas-atomized powder equipment, tundish functional module regards with the attached of moving structure
Figure；
Figure 12 is D-D cross-sectional view in Fig. 8；
Figure 13 is the enlarged diagram of temperature measuring equipment in Fig. 1；
Figure 14 is the enlarged diagram of sampler in Fig. 1.
In figure: 1 intermediate frequency switch board A, 2 maintenance doors, 3 temperature measuring equipments, 3-1 rotary handle, 3-2 sealer
Structure, 3-3 expansion link, 3-4 swing arm, 3-5 temperature thermocouple, 3-6 grip block, 3-7 high temperature electric wire, 3-8 puts
Swing arm fixing hole, 3-9 stretches spacing hole；4 melting cylinders, 5 explosion-proof shot-lights, 6 samplers, 6-1 sampling head, 6-
2 thief rods, 6-3 water jacket cylinder, 6-4 air intake installation, 6-5 vacuum valve, 6-6 Quick Release bolt, 6-7 transitional cylinder
Body, 6-8 top flange, 6-9 black box, 6-10 operates handle, 6-11 control valve；7 intermediate frequency switch board B, 8
Venting, 9 cam devices, 10 joint material devices, 11 relief valves, 12 operating platforms, 13 agitating devices, 14
Secondary charging device, 15 batch turning electric lifts, 16 fire doors, 17 external copper bars, 18 instrument cabinets, 19 capacitor box,
20 movable motors, 21 rollers, 22 fire door moving tracks, 23 batch turning observation windows, 24 melting observation windows, 25 drive
Motor, 26 melting kettles, 27 band steel tracks, 28 atomization boss assemblies；29 tundish functional modules, 30 first
Mobile dolly, 31 tundish functional module dust block boards, 32 main jet pipe tracheas, 33 secondary jet pipe tracheas, 34 tundish merits
Energy module rack, 35 second move dolly, 35-1 side stand, 35-2 underframe, 35-3 removable fastener, 36 arcs
Pull bar, 37 cable support bars, 38 track dust block boards, 39 cable support framves, drive track, 41 times driving rails on 40
Road, 42 rotating disks, 43 lifting connecting rods, 44 rollers, 45 master sliders, 46 top guide bars, 47 lower guide rods, 48 is right
Slide block, 49 left lifting sliders, 50 left sliders, 51 right lifting sliders, 52 driving levers, 53 left buckling pieces, 54 right buttons
Zygostyle, 55 left fastening posts, 56 right buckling pieces, 57 hot rolling equal angle steels.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1 ~ 5: a kind of vacuum melting gas-atomized powder equipment, including smelting furnace body, at least 2 tundish functions
Module 29, travel mechanism and atomising device；This internal melting kettle 26 that is provided with of described smelting furnace, described melting kettle 26 is by falling
Material electric lift 15 pours into a mould batch turning to tundish functional module 29；Described tundish functional module 29 is arranged on smelting furnace body
In, be positioned at above atomising device, tundish functional module 29 by travel mechanism can smelting furnace this most internal do horizontal sliding and/
Or oscilaltion campaign, the replacing for tundish functional module 29 uses；Described tundish functional module 29 and atomising device
Connect.
Tundish functional module 29 is made up of tundish, heating arrangements and nebulizer.
The quantity of described tundish functional module 29 is 2.
With reference to Fig. 6 ~ 12, described travel mechanism includes mobile dolly, slipping mechanism, elevating mechanism and drive mechanism；Described
Mobile dolly includes that first moves dolly 30 and second and move dolly 35, and 2 tundish functional modules 29 are placed first respectively and moved
Dynamic dolly 30 and second moves on dolly 35；Described mobile dolly is placed on band steel track 27, is driven by slipping mechanism, band
Between disorder of internal organs, packet function module 29 can horizontal sliding along band steel track 27；Band steel track is by hot rolling equal angle steel 57 and vacuum melting tank
Inwall connects；Described mobile dolly is also connected with elevating mechanism, and drives tundish functional module 29 to rise by elevating mechanism
Fall motion；Described slipping mechanism and elevating mechanism are driven by drive mechanism.
Described drive mechanism includes driving motor 25, upper driving track 40 and lower driving track 41；Described driving motor 25
It is connected with upper driving track 40, lower driving track 41 by screw mandrel；It is all provided with in described upper driving track 40 and lower driving track 41
Master slider 45, master slider 45 is had to be connected with screw mandrel, with the rotation of screw mandrel driving sliding in track, the left side of master slider 45 lower end,
Right side is respectively equipped with right fastening post 54, left fastening post 55；Master slider 45 is connected with slipping mechanism, elevating mechanism, for driving
One move dolly 30, second move dolly 35 and do left and right sliding or elevating movement.Described driving track is arranged over track gear ash
Plate 38, its side is additionally provided with cable support frame 39 and cable support bar 37, and described cable support bar 37 is fixed on cable support frame
On 39.
Described elevating mechanism includes left lifting slider 49, right lifting slider 51, arc pull bar 36 and rotating disk 42, described rotation
Rotating disk 42 is connected by pillar is fixing with mobile dolly；One end of described arc pull bar 36 is connected with rotating disk 42, and first moves
Dolly 30, second move the other end of arc pull bar 36 on dolly 35 respectively be arranged on the left lifting slider driven on track
49 and right lifting slider 51 connect；Left lifting slider 49 and right lifting slider 51 lay respectively at the left side of master slider 45, right side.
Described slipping mechanism includes left slider 50, right slide block 48；Described left slider 50 is arranged on master slider 45 and right lifting
Between mechanism, fastened with right fastening post 54 by left buckling piece 53, be flexibly connected with master slider 45；Right slide block 48 is arranged on main cunning
Between block 45 and left elevating mechanism, fastened with left fastening post 55 by right buckling piece 56, be flexibly connected with master slider 45；A described left side
Slide block 50, right slide block 48 are connected with left lifting slider 49, right lifting slider 51 by lower guide rod 47, top guide bar 46 respectively, described
The driving lever being connected with mobile dolly it is provided with in the middle part of lower guide rod 47, top guide bar 46.
Described tundish functional module 29 by main jet pipe trachea 32, secondary jet pipe trachea 33 respectively with main jet dish, secondary spray dish
Connection, which is provided with tundish functional module dust block board 31.
Described mobile dolly includes underframe 35-2, side stand 35-1, removable fastener 35-3；Described underframe 35-2 is near driving
The side of track is provided with the removable fastener 35-3 being fastened and connected with dead man 52；Before and after underframe 35-2, side is provided with roller 44, wherein
Portion is provided with tundish functional module rack 34；Described side stand 35-1 is fixed on left side or the right side of underframe 35-2, side stand
35-1 is provided with the lifting connecting rod 43 being connected with rotating disk 42.
Melting cylinder 4, fire door 16, operating platform 12 and switch board is included on described smelting furnace body；Described melting cylinder 4
On offer thermometer hole, thief hole, charging aperture and access hole, on thermometer hole connect have temperature control mechanism；Thief hole connects sampling
Device 6, described charging aperture connects has feeding device, feeding device to include joint material device 10 and secondary charging shape；On access hole
Being provided with maintenance door 2, maintenance door 2 is fixed on melting cylinder 4 by rotating shaft or hinge；Melting cylinder 4 side is provided with fire door 16,
Being provided with roller 4421 bottom described fire door 16, fire door 16 is connected with movable motor 20, and is driven along fire door by movable motor 20
Moving track 22 does arcuate rotation；Described switch board include 18,2 intermediate frequency switch boards of instrument cabinet (i.e. intermediate frequency switch board A1 and in
Frequently switch board B7) and capacitor box 19, electric capacity is fixed on cabinet fire door 16, and described capacitor box 19 is by external copper bar 17 and smelting furnace
Internal melting kettle 26 electrically connects.
It is additionally provided with relief valve 11, explosion-proof shot-light 5, venting 8, cam device 9, agitating device 13 on melting cylinder 4, melts
Refining observation window 24 and batch turning observation window 23.
With reference to Figure 13, sampler 6 includes thief rod 6-2, sampling head 6-1, vacuum valve 6-5, transition cylinder 6-7, water jacket
Cylinder 6-3 and operation handle；Described water jacket cylinder 6-3 is fixed on vacuum melting furnace, is provided with vacuum valve 6-5 in the middle part of it；Water jacket
Cylinder 6-3 also connects with air intake installation 6-4, and air intake installation 6-4 is positioned at above vacuum valve 6-5；The upper end of water jacket cylinder 6-3 and mistake
Crossing cylinder 6-7 bottom to connect, transition cylinder 6-7, vacuum valve 6-5, water jacket cylinder 6-3 form a sample transition holding chamber；Institute
State operation handle 6-10 to be fixed on transition cylinder 6-7；Described thief rod 6-2 is connected with operation handle 6-10, described thief rod
The end of 6-2 connects sampling head 6-1.
Described operation handle 6-10 and transition cylinder 6-7 is connected by top flange 6-8, operation handle 6-10 and transitional cylinder
The junction that body 6-7, transition cylinder 6-7 and water jacket cylinder 6-3 connect two-by-two is provided with black box 6-9.
Described air intake installation 6-4 is provided with control valve 6-11.
With reference to Figure 14, temperature measuring equipment 3 includes temperature thermocouple 3-5, grip block 3-6, swing arm 3-4, expansion link 3-3, close
Sealing mechanism 3-2 and rotary handle 3-1；Described temperature thermocouple 3-5 is fixed on grip block 3-6, its one end and high temperature electric wire 3-7
Connect；Described grip block 3-6 is connected by one end of swing arm 3-4 and expansion link 3-3, the other end of expansion link 3-3 and rotation
Handle 3-1 connects, and is provided with sealing mechanism 3-2, described expansion link in the expansion link 3-3 end near rotary handle 3-1 one end
3-3 is fixed on working chamber's body of heater by sealing mechanism 3-2.
Expansion link 3-3 is provided with swing arm fixing hole 3-8 and flexible spacing hole 3-9, and swing arm fixing hole 3-8 is used for fixing
Swing arm 3-4, when flexible spacing hole 3-9 is possible to prevent regulation to shrink knob, there is excessive tensile/contraction, cause in expansion link 3-3
Temperature thermocouple 3-5 is damaged.
The operation principle of the present invention a kind of vacuum melting gas-atomized powder equipment and using method:
By the joint material device 10 on melting cylinder 4 and secondary charging device 14, interpolation in melting kettle 26 processes material,
Monitored the molten metal temperature in melting kettle 26 by temperature measuring equipment 3, sampler 6 is to the molten metal in melting kettle 26
It is sampled analyzing, when metal melt meets aerosolization requirement in sample analysis judges melting kettle 26, starts batch turning electricity
Dynamic elevator 15, makes melting kettle 26 rotate, and is imported by molten metal liquation in tundish functional module 29, tundish function
Molten metal in module 29 flows into atomising device and is atomized.
Intermediate frequency switch board A1 is placed on first for control and moves the tundish functional module 29 above dolly 30, intermediate frequency control
Cabinet B7 processed is placed on second for control and moves the tundish functional module 29 above dolly 35, and capacitor box 19 is used for controlling melting
Crucible 26 and the folding of fire door 16, walking.Temperature within showing the melting cylinder 4 that temperature measuring equipment 3 detects of instrument cabinet 18,
The relevant parameters such as pressure.
The concrete operations of temperature measuring equipment 3 thermometric are: the flexible knob of first regulation, until temperature thermocouple 3-5 is from crucible opening
Fore-and-aft distance less than 0.5m, expansion link 3-3 stops extend；Then rotate rotary handle 3-1, time temperature thermocouple 3-5 rotate
Certain angle, makes the end of temperature thermocouple 3-5 be positioned at the center of crucible opening, improves the temperature of temperature thermocouple 3-5
Measurement accuracy；After vacuum melting furnace melting terminates, rotate rotary handle 3-1, make the end of temperature thermocouple 3-5 press close to very
Empty smelting furnace inwall, the flexible knob of regulation, makes expansion link 3-3 shrink, makes temperature thermocouple 3-5 principle crucible the most again, and then
Extend the service life of crucible.
The concrete operations of sampler 6 are: under normal circumstances, and the vacuum valve 6-5 on sampler 6 is closed,
Be conducive to maintaining the vacuum of vacuum melting furnace.When needs sample, filled in sample transition holding chamber by air intake installation 6-4
Gas, makes the air pressure of sample transition holding chamber reach normal pressure, then, opens vacuum valve 6-5, then controls operation handle, make probe tube
Elongation, until the sampling head 6-1 of its end submerges in the molten metal in smelting furnace, by sampling head 6-1 in molten metal
Sampling；Control operation handle again, make probe tube shrink, until being positioned at sample transition holding chamber, i.e. very bottom sampling head 6-1
Above empty valve 6-5, then, tighten vacuum valve 6-5, sample transition holding chamber and smelting furnace are completely cut off；Again by air intake installation 6-
4 inflate in sample transition holding chamber, make the air pressure of sample transition holding chamber reach normal pressure, then open Quick Release bolt 6-6, pass through
Transition cylinder 6-7 is taken out in water jacket cylinder 6-3 by operation handle together with thief rod 6-2, sampling head 6-1, is used for detecting
Analyze.
This tundish functional module 29 is arranged in vacuum melting tank, one of them tundish functional module 29 and vacuum gas
On atomization boss assembly 28, another tundish functional module 29 is standby；When being placed on the centre above vacuum aerosolization boss
Packet function module 29 break down (as below tundish functional module 29, spray orifice or mozzle block) time, by artificial or
Controller controls drive mechanism, standby tundish functional module 29 is moved on vacuum aerosolization boss assembly 28, meanwhile, and will
The tundish functional module 29 broken down is removed from vacuum aerosolization boss assembly 28, it is ensured that vacuum melting gas-atomized powder
The continuous prodution of technique.
As a example by band steel track, right side tundish functional module 29 is replaced by left side tundish functional module 29, tundish
The concrete operations that functional module 29 is changed are: the removable fastener 35-3 moving on dolly 35 by second and the driving lever of top guide bar 46
Fastening, then, start motor, screw mandrel drives main sliding shoe to move to left, and moves dolly 35 by second and rises certain altitude, makes right
Packet function module 29 removes from vacuum aerosolization boss assembly 28；Move first removable fastener 35-3 on dolly 30 with under
The driving lever of guide rod 47 fastens；Again the right buckling piece 56 on right slide block 48 is fastened with the left fastening post 55 on master slider 45, main cunning
Dynamic drive right slide block 48, left slider 50 together along driving track to move to right, and then move dolly 30 by first, second move dolly 35
Moving right, move dolly 30 until first and move to directly over vacuum aerosolization boss assembly 28, master slider 45 stops mobile；Again
The removable fastener 35-3 moved first on dolly 30 opens, and makes first to move dolly 30 and drops to vacuum gas under gravity
On atomization boss assembly 28,.
When the tundish functional module 29 in melting cylinder 4 breaks down, it is also possible to by opening on melting cylinder 4
Maintenance door 2, overhauls middle packet function module 29.
After smelting furnace body stops producing, can be with opening fire door 16 to the tundish functional module in melting cylinder 4
29, the device such as melting kettle 26 carries out periodic inspection.
Production cycle length according to vacuum melting gas-atomized powder equipment and the treating capacity of single stove, in melting cylinder 4
Tundish functional module 29 can also be 4, every 2 tundish functional modules 29 are arranged on one group of band steel track 27, and
Configuring one group of travel mechanism, 2 groups of band steel tracks 27 are mutually perpendicular to, and then the replacing realizing tundish functional module 29 uses, real
Existing continuous prodution；Can also be 3 or 4 tundish functional modules 29 of installation on same band steel track 27, set up 1 accordingly
Group or 2 groups of left sliders 50, right slide block 48, left lifting slider 49, right lifting sliders 51, by carrying out middle packet function module 29
Horizontal sliding and oscilaltion operation, it is achieved the replacing of tundish functional module 29 uses；Or, the centre in melting cylinder 4
Packet function module 29 can also be 3,5 or 6, and tundish functional module 29 circumferentially formula is distributed in melting cylinder, logical
Cross rotating disk and travel mechanism to use with the use of the replacing of, it is achieved tundish functional module 29；The change of above technical characteristic,
Those skilled in the art is described by word and is appreciated that and implements, therefore is the most separately illustrated as accompanying drawing.
Claims (10)
1. a vacuum melting gas-atomized powder equipment, it is characterised in that include smelting furnace body, at least 2 tundish functions
Module, travel mechanism and atomising device；This internal melting kettle that is provided with of described smelting furnace, described melting kettle is electronic by batch turning
Elevator pours into a mould batch turning to tundish functional module；Described tundish functional module is arranged on smelting furnace, and this is internal, is positioned at atomization
Above device, tundish functional module is by travel mechanism can this most internal do horizontal sliding and/or oscilaltion and transport at smelting furnace
Dynamic, the replacing for tundish functional module uses；Described tundish functional module is connected with atomising device.
2. vacuum melting gas-atomized powder equipment as claimed in claim 1, it is characterised in that the number of described tundish functional module
Amount is 2 ~ 6.
3. vacuum melting gas-atomized powder equipment as claimed in claim 1 or 2, it is characterised in that described travel mechanism includes moving
Dynamic dolly, slipping mechanism, elevating mechanism and drive mechanism；Described mobile dolly includes that first moves dolly and second and move little
Car, 2 tundish functional modules are placed first respectively and are moved dolly and second and move on dolly；Described mobile dolly is placed on flat
On steel track, being driven by slipping mechanism, drive tundish functional module can horizontal sliding along band steel track；Described mobile dolly
Also it is connected with elevating mechanism, and drives tundish functional module to move up and down by elevating mechanism；Described slipping mechanism and liter
Descending mechanism is driven by drive mechanism.
4. vacuum melting gas-atomized powder equipment as claimed in claim 3, it is characterised in that described drive mechanism includes driving electricity
Machine, upper driving track and lower driving track；Described driving motor is connected with upper driving track, lower driving track by screw mandrel；Institute
Being equipped with master slider in stating driving track and lower driving track, master slider is connected with screw mandrel, is driving rail with the rotation of screw mandrel
Sliding in road, the left and right side of master slider lower end is respectively equipped with right fastening post, left fastening post；Master slider and slipping mechanism, elevator
Structure connects, for driving first to move dolly, second moving dolly and do left and right sliding or elevating movement；Above described driving track
Being provided with track dust block board, its side is additionally provided with cable support frame and cable support bar, and described cable support bar is fixed on cable and props up
On support.
5. vacuum melting gas-atomized powder equipment as claimed in claim 3, it is characterised in that described elevating mechanism includes left lifting
Slide block, right lifting slider, arc pull bar and rotating disk, described rotating disk is connected by pillar is fixing with mobile dolly；Described arc
One end of shape pull bar is connected with rotating disk, first move dolly, second move the other end of arc pull bar on dolly respectively with
It is arranged on and drives the left lifting slider on track and right lifting slider to connect；Left lifting slider and right lifting slider lay respectively at master
The left side of slide block, right side.
6. vacuum melting gas-atomized powder equipment as claimed in claim 5, it is characterised in that described slipping mechanism includes left cunning
Block, right slide block；Described left slider is arranged between master slider and right elevating mechanism, is fastened with right fastening post by left buckling piece,
It is flexibly connected with master slider；Right slide block is arranged between master slider and left elevating mechanism, by right buckling piece and left fastening post button
Close, be flexibly connected with master slider；Described left slider, right slide block are respectively by lower guide rod, top guide bar and left lifting slider, right lifting
Slide block connects, and is provided with the driving lever being connected with mobile dolly in the middle part of described lower guide rod, top guide bar.
7. vacuum melting gas-atomized powder equipment as claimed in claim 1 or 2, it is characterised in that wrap on described smelting furnace body
Include melting cylinder, fire door, operating platform and switch board；Thermometer hole, thief hole, charging aperture and inspection is offered on described melting cylinder
Repairing mouth, thermometer hole connects temperature control mechanism；Thief hole connects sampler, and described charging aperture connects feeding device, inspection
Repairing and be provided with maintenance door on mouth, maintenance door is fixed on melting cylinder by rotating shaft or hinge；Melting cylinder side is provided with fire door,
Being provided with roller bottom described fire door, fire door is connected with movable motor, and does arc by movable motor driving along fire door moving track
Shape rotates；Described switch board includes instrument cabinet, 2 intermediate frequency switch boards and capacitor box, and electric capacity is fixed on cabinet fire door, described electric capacity
Cabinet is electrically connected with the melting kettle in smelting furnace body by external copper bar.
8. vacuum melting gas-atomized powder equipment as claimed in claim 1 or 2, it is characterised in that be additionally provided with on melting cylinder and let out
Pressure valve, explosion-proof shot-light, melting observation window, batch turning observation window.
9. vacuum melting gas-atomized powder equipment as claimed in claim 7, it is characterised in that sampler includes thief rod, takes
Sample head, vacuum valve, transition cylinder, water jacket cylinder and operation handle；Described water jacket cylinder is fixed on vacuum melting furnace, in the middle part of it
It is provided with vacuum valve；Water jacket cylinder also connects with air intake installation, and air intake installation is positioned at above vacuum valve；The upper end of water jacket cylinder and mistake
Cross cylinder bottom to connect, transition cylinder, vacuum valve, water jacket cylinder one sample transition holding chamber of composition；Described operation handle is solid
It is scheduled on transition cylinder；Described thief rod is connected with operation handle, and the end of described thief rod connects sampling head.
10. vacuum melting gas-atomized powder equipment as claimed in claim 7, it is characterised in that temperature measuring equipment, including thermometric thermoelectricity
Idol, grip block, swing arm, expansion link, black box and rotary handle；Described temperature thermocouple is fixed on grip block, one
End is connected with high temperature electric wire；Described grip block is connected with one end of expansion link by swing arm, the other end of expansion link and rotation
Handle connects, and is provided with black box in the expansion link end near rotary handle one end, and described expansion link passes through black box
It is fixed on working chamber's body of heater.
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| CN201610714357.5A CN106077685B (en) | 2016-08-25 | 2016-08-25 | A kind of vacuum melting gas-atomized powder equipment |
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| CN201610714357.5A CN106077685B (en) | 2016-08-25 | 2016-08-25 | A kind of vacuum melting gas-atomized powder equipment |
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| CN107150126B (en) * | 2017-06-19 | 2023-08-01 | 湖南天际智慧材料科技有限公司 | Double-tundish device for metal atomization powder making equipment and atomization powder making equipment formed by double-tundish device |
| CN107559589A (en) * | 2017-09-27 | 2018-01-09 | 河南省远洋粉体科技股份有限公司 | Vacuum aerosolization produces alloyed powder inert gas circulation protection system |
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| JP2021515094A (en) * | 2018-11-16 | 2021-06-17 | チンタオ・ユンル・アドバンスト・マテリアルズ・テクノロジー・カンパニー・リミテッド | Powder atomization device and powder atomization method |
| JP7002656B2 (en) | 2018-11-16 | 2022-01-20 | チンタオ・ユンル・アドバンスト・マテリアルズ・テクノロジー・カンパニー・リミテッド | Powder atomization device and powder atomization method |
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| CN109848429A (en) * | 2019-03-05 | 2019-06-07 | 香港生产力促进局 | A kind of combination unit preparing globular metallic powder using gas atomization |
| CN110125422A (en) * | 2019-05-27 | 2019-08-16 | 鞍钢重型机械有限责任公司 | A kind of water atomized steel powder production technology that double mouths of a river are atomized simultaneously |
| CN110238406A (en) * | 2019-05-31 | 2019-09-17 | 米亚索乐装备集成（福建）有限公司 | Gas-atomized powder equipment |
| CN111112634A (en) * | 2020-01-17 | 2020-05-08 | 上海理工大学 | Device and method for preparing metal powder |
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