CN107199344A - A kind of automatic metal fuel pulverizing plant and method - Google Patents
A kind of automatic metal fuel pulverizing plant and method Download PDFInfo
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- CN107199344A CN107199344A CN201710278142.8A CN201710278142A CN107199344A CN 107199344 A CN107199344 A CN 107199344A CN 201710278142 A CN201710278142 A CN 201710278142A CN 107199344 A CN107199344 A CN 107199344A
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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
-
- 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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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of automatic metal fuel pulverizing plant, including the working chamber for smelting metal, and it is arranged on the spray chamber of the working chamber bottom, the spray chamber bottom is provided with coarse powder collecting tank, cyclone separator is provided with and communicated with the spray chamber, the cyclone separator bottom is provided with fines collection tank；Also include the control system being controlled by circuit assembly to the automatic metal fuel pulverizing plant.Improve production efficiency.
Description
Technical field
The invention belongs to 3D printing material increasing field and field of powder metallurgy, and in particular to a kind of automatic metal powder
Device and method.
Background technology
Metal dust is the important branch of material industry, because powder has big specific surface area and special surface property,
Its physicochemical property has very big difference with common material, using metal dust, can prepare the workpiece of excellent performance.Therefore, it is golden
Belong to application of the powder in fields such as metallurgy, the energy, electronics, medical treatment, Aero-Space to expand day by day.The innovation of 3D printing technique, makes
The demand that field must be manufactured to metal dust is more urgent, and metal dust has turned into the important raw material of industry of a class.At the same time,
The performance requirement of powder is also improved constantly, high performance metal dust is applied and given birth to.High performance metal dust has quality
Good, the low feature of cost.At present, metal dust quality evaluation index mainly has sphericity, granularity, purity, mobility.Sphericity
Good, particle size range is narrow to be ensured during 3D printing, and the metallic particles of melting keeps essentially identical state, otherwise, too
Big particle then evaporates already in printing still in solid-state, too small particle；The high powder of purity can not only ensure metal
The quality of molded component, also facilitates ensuring that the reliability and stability of forming process；The powder of good fluidity is more beneficial for
The uniform laying of powder during 3D printing.However, the measured metal dust of matter needs just obtain using advanced technology of preparing
, domestic current powder by atomization technical merit and external gap are larger, in addition in actual production process, the technical ability of operating personnel
Level difference, causes the powder quality of production uneven, and the stability of same manufacturer's production different batches powder quality is difficult
To ensure, the powder quality of different manufacturer's productions is even more to vary.A large amount of high-performance metal powder dependence on import are caused, into
This is high, the development of the serious domestic metal 3D printing increasing material manufacturing industry of restriction.
Reduce the production cost of metal dust, improve the stability of powder quality, by beneficial to 3D printing to application field
Expand, promote the large-scale production of industrial circle.For the development of power-assisted 3D printing increasing material manufacturing industry, the system of metal dust is improved
Standby level and technique, the production cost of reduction powder have important practical significance.The present invention provides a kind of automatic metal powder
Device and method, realize the automation of powder process processed, it is to avoid the powder properties that artificial operation is caused are unstable, improve powder
The stability of last quality, while reducing the input of actual production process personnel, shortening the operating time of each operation, so as to carry
High production efficiency.
The content of the invention
One of purpose of the present invention is to propose a kind of automatic metal fuel pulverizing plant and method, solves prior art and deposits
In the low technical problem of production efficiency.It is all that optimal technical scheme in many technical schemes that the present invention is provided can be generated
Many technique effects are as detailed below to be illustrated.
To achieve the above object, the invention provides following technical scheme：
A kind of automatic metal fuel pulverizing plant, including the working chamber for smelting metal, and be arranged under the working chamber
The spray chamber in portion, the spray chamber bottom is provided with coarse powder collecting tank, and cyclone separator is provided with and communicated with the spray chamber, institute
State cyclone separator bottom and be provided with fines collection tank；Also include carrying out the automatic metal fuel pulverizing plant by circuit assembly
The control system of control.
Preferably, in addition to the mechanical pump, lobe pump and the diffusion pump that are sequentially connected in series, and pipeline assembly, the pipeline is total
Into including：
Connect the first pipeline of the mechanical pump and the lobe pump；
Connect the second pipeline of the lobe pump and the diffusion pump；
Connect the 3rd pipeline of the diffusion pump and the working chamber；
Connect the 4th pipeline of the diffusion pump and second pipeline；
Connect the 5th pipeline of the spray chamber and second pipeline.
Preferably, the control system includes：
Button assembly for starting the automatic metal fuel pulverizing plant；
Also include the mechanical pump control module being controlled to affiliated mechanical pump, the progress being controlled to the diffusion pump
The diffusion pump control module of control and the Roots's pump control module being controlled to the lobe pump.
Preferably, it is provided with the 3rd vacuum valve on the 5th pipeline；Second pipeline connects the one of the diffusion pump
Hold to the 4th pipeline and be provided with the second vacuum valve between connecting one end of second pipeline；Set on 4th pipeline
There is the 4th vacuum valve；The first vacuum valve is provided with the diffusion pump.
Preferably, in addition to the UNICOM of working chamber the inflation set detects valve, and for controlling the working chamber
The Melting control module of start and stop.
Preferably, exhaust detection valve is provided with the cyclone separator.
Preferably, in addition to for be placed in working chamber molten drop rotation rotating mechanism assembly.
Present invention also offers a kind of automatic metal milling method, including：
After the completion of S10 chargings, pass through the button assembly starting device of control system；
S21 control systems send enabling signal to mechanical pump control module, diffusion pump control module, and mechanical pump startup expands
Dissipate pump preheating.It is delayed after the very first time, mechanical pump control module is to control system feedback signal；
S22 control systems receive the Time-delayed Feedback model of mechanical pump control module, are controlled to the first vacuum detecting-valve total
Enabling signal is sent into, the first vacuum valve control assembly, the second vacuum valve, the 3rd vacuum valve are opened, and mechanical pump starts to equipment
Vacuumize.Vacuum is evacuated to 500Pa, and the first vacuum detecting-valve controls assembly to control system feedback signal；
S23 control systems receive the vacuum feedback model of the first vacuum detecting-valve control assembly, to the second vacuum valve control
Assembly processed, Roots's pump control module send enabling signal, and the 4th vacuum valve is opened, and lobe pump starts to vacuumize equipment；Vacuum
Below 5Pa is evacuated to, the first vacuum detecting-valve controls assembly to control system feedback signal.
S24 control systems receive the vacuum feedback model of the first vacuum detecting-valve control assembly, are examined to the second vacuum
Survey-valve control assembly, diffusion pump send enabling signal, and the first vacuum valve is opened, and diffusion pump 9 starts to vacuumize equipment.Vacuum
It is evacuated to 6.63 × 10-3Below Pa, the second vacuum detecting-valve controls assembly to the feedback signal of control system 10.
Preferably, in addition to：
S30 control systems receive the vacuum feedback model of the second vacuum detecting valve control assembly, and valve control is detected to inflation
Assembly processed sends enabling signal, and inflation detection valve control assembly opens inflation detection valve, inert gas is filled with into equipment.Gas
Charge reaches 0.06MPa, and inflation detection valve controls assembly to control system feedback signal.
S40 control systems receive the pressure feedback model that inflation detection valve controls assembly, send and open to Melting control module
Dynamic signal, working chamber's inner heating device starts, and starts smelting metal bar；Meanwhile, melting temperature of the Melting control module to metal
Degree is monitored, after the smelting time of systemic presupposition, and Melting control module is to control system feedback signal.
Preferably, in addition to：
S51 control systems receive the temperature of Melting control module, time feedbacking signal, to inflation detection valve control assembly,
Exhaust detection valve control assembly sends enabling signal.Inflation detection valve control assembly opens atomization air pipe, and high-pressure gas circuit passes through
Atomizer is filled with inert gas of the back pressure in 1~5MPa into equipment, and exhaust detection valve control assembly opens air inducing, by mist
Change working gas discharge；
S52 inflation detection valve controls assembly, exhaust detection valve control assembly to control system feedback signal, while Monitoring of Fog
Change device exit gas pressure and/or flow and/or time；
S53 control systems receive the feedback signal that inflation detection valve control assembly, exhaust detection valve control assembly, Xiang Xuan
Rotation mechanism assembly sends signal；
S60 Melting controls module feeds back the monitoring signals of weight of loading to control system, and molten metal flow to weight of loading
3%, control system sends the reverse instruction of above step, equipment downtime to each functional module successively.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect：
The metal fuel pulverizing plant that the present invention is provided, is automatically controlled to artificial operation by control system, improves gold
The production efficiency of category powder processed.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
The schematic diagram for the automatic metal fuel pulverizing plant that Fig. 1 is provided by the embodiment of the present invention；
The schematic diagram for the apparatus control system distribution that Fig. 2 is provided by the embodiment of the present invention；
The control block diagram for the automatic metal fuel pulverizing plant control method that Fig. 3 is provided by the embodiment of the present invention.
Reference：Working chamber 1；Spray chamber 2；Cyclone separator 3；Fines collection tank 4；Coarse powder collecting tank 5；Mechanical pump 6；
Lobe pump 7；Pipeline assembly 8；First pipeline 8-1；Second pipeline 8-2；3rd pipeline 8-3；4th pipeline 8-4；5th pipeline 8-
5；Diffusion pump 9；Control system 10；Mechanical pump control module 10-1；Roots's pump control module 10-2；Spread pump control module 10-
3；Melting control module 10-4；Inflation detection valve control assembly 10-5；Button assembly 10-6；First vacuum detecting-valve control is total
Into 10-7；First vacuum valve control assembly 10-8；Second vacuum detecting-valve control assembly 10-9；Second vacuum valve controls assembly
10-10；Exhaust detection valve control assembly 10-11；Circuit assembly 11；Rotating mechanism assembly 12；First vacuum valve 13；Second vacuum
Valve 14；3rd vacuum valve 15；4th vacuum valve 16.
Embodiment
Be referred to accompanying drawing Fig. 1~Fig. 3 below and word content understand present disclosure and it is of the invention with it is existing
Distinctive points between technology.Hereafter accompanying drawing and enumerate the present invention some alternative embodiments by way of, to the present invention
Technical scheme (including optimal technical scheme) is described in further detail.It should be noted that：Any skill in the present embodiment
Art feature, any technical scheme are the one or more in the technical characteristic or optional technical scheme of plurality of optional, in order to
All alternative technical characteristics of the invention impossible to exhaust and alternative technical side in this document the need for description is succinct
Case, the embodiment for being also not easy to each technical characteristic emphasizes that it is one of optional numerous embodiments, so this area
Technical staff should know：Any technological means of the invention that provide can be replaced or the present invention is provided any two
Individual or more technological means or technical characteristic are combined mutually and obtain new technical scheme.Any skill in the present embodiment
Art feature and any technical scheme are not limited the scope of the invention, and protection scope of the present invention should include this area
Technical staff does not pay the thinkable any alternate embodiments of creative work institute and those skilled in the art by the present invention
Any two of offer or more technological means or technical characteristic technical scheme new obtained from being combined mutually.
The embodiments of the invention provide a kind of automatic metal fuel pulverizing plant and method.
Illustrated in more detail with reference to Fig. 1~Fig. 3 technical schemes provided the present invention.
As shown in Fig. 1~Fig. 2, a kind of automatic metal fuel pulverizing plant that the embodiment of the present invention is provided, including for melting
The working chamber 1 of metal, and the spray chamber 2 of the bottom of working chamber 1 is arranged on, the bottom of spray chamber 2 is provided with coarse powder collecting tank 5, with
Spray chamber 2 is provided with and communicated with cyclone separator 3, and the bottom of cyclone separator 3 is provided with fines collection tank 4；Also include passing through circuit
The control system 10 that assembly 11 is controlled to automatic metal fuel pulverizing plant.The metal fuel pulverizing plant that the present invention is provided, it is to avoid
Manually operate the powder properties caused unstable, improve the stability of powder quality.Also include be sequentially connected in series mechanical pump 6,
Lobe pump 7 and diffusion pump 9, and pipeline assembly 8, pipeline assembly 8 include：Connect the first pipeline 8- of mechanical pump 6 and lobe pump 7
1；Connect the second pipeline 8-2 of lobe pump 7 and diffusion pump 9；Connect diffusion pump 9 and the 3rd pipeline 8-3 of working chamber 1；Connection is expanded
Dissipate the pipeline 8-2 of pump 9 and second the 4th pipeline 8-4；Connect the pipeline 8-2 of spray chamber 2 and second the 5th pipeline 8-5.Wherein, control
System 10 processed includes：Button assembly for starting automatic metal fuel pulverizing plant；Also include what affiliated mechanical pump 6 was controlled
Mechanical pump control module 10-1, the diffusion pump control module 10-3 being controlled being controlled to diffusion pump 9 and to Roots
Roots's pump control module 10-2 that pump 7 is controlled.
The 3rd vacuum valve 15 is provided with 5th pipeline 8-5；One end of second pipeline 8-2 connections diffusion pump 9 to the 4th pipe
The second vacuum valve 14 is provided between road 8-4 the second pipelines of connection 8-2 one end；The 4th vacuum is provided with 4th pipeline 8-4
Valve 16；The first vacuum valve 13 is provided with diffusion pump 9.Also include detecting valve with the inflation that UNICOM of working chamber 1 is set, and be used for
Control the Melting control module of the start and stop of working chamber 1.
The course of work of automatic metal fuel pulverizing plant is after the completion of S10 chargings, to pass through the button assembly of control system 10
10-6 starting devices；
S21 control systems 10 send enabling signal to mechanical pump control module 10-1, diffusion pump control module 10-3, machinery
Pump 6 starts, and diffusion pump 9 is preheated.It is delayed after the very first time, mechanical pump control module 10-1 is to the feedback signal of control system 10；The
One time could be arranged to 10-15s；
S22 control systems 10 receive mechanical pump control module 10-1 Time-delayed Feedback model, to the first vacuum detecting-valve control
Assembly 10-7 processed, the first vacuum valve control assembly 10-8 send enabling signal, and the second vacuum valve 14, the 3rd vacuum valve 15 are opened,
Mechanical pump 6 starts to vacuumize equipment.Vacuum is evacuated to 500Pa, and the first vacuum detecting-valve controls assembly 10-7 to control system 10
Feedback signal；
S23 control systems 10 receive the first vacuum detecting-valve control assembly 10-7 vacuum feedback model, true to second
Empty valve control assembly 10-10, Roots's pump control module 10-2 send enabling signal, and the 4th vacuum valve 16 is opened, and lobe pump 7 starts
Equipment is vacuumized.Vacuum is evacuated to below 5Pa, and the first vacuum detecting-valve controls assembly 10-7 to the feedback signal of control system 10.
S24 control systems 10 receive the first vacuum detecting-valve control assembly 10-7 vacuum feedback model, true to second
Empty detection-valve control assembly 10-9, diffusion pump 9 send enabling signal, and the first vacuum valve 13 is opened, and diffusion pump 9 starts to equipment
Vacuumize.Vacuum is evacuated to 6.63 × 10-3Below Pa, the second vacuum detecting-valve controls assembly 10-9 to the feedback letter of control system 10
Number.
The flow vacuumized can be thus automatically performed by equipment.Further, it is provided with cyclone separator 3
Exhaust detection valve.Also include the rotating mechanism assembly 12 for being used for the molten drop rotation to being placed in working chamber 1.
The step of in order to further complete automatic reversely charging protective gas, further comprising the steps of, S30 control systems 10 are received
Second vacuum detecting-valve control assembly 10-9 vacuum feedback model, startup is sent to inflation detection valve control assembly 10-5
Signal, inflation detection valve control assembly 10-5 opens inflation detection valve, and inert gas is filled with into equipment.Gas charge reaches
0.06MPa, inflation detection valve controls assembly 10-5 to the feedback signal of control system 10.
The step of in order to further complete melting, further comprising the steps of, S40 control systems 10 receive inflation detection valve control
Assembly 10-5 processed pressure feedback model, enabling signal is sent to Melting control module 10-4, and the inner heating device of working chamber 1 is opened
It is dynamic, start smelting metal bar；Meanwhile, Melting control module 10-4 is monitored to the smelting temperature of metal, pre- by system
If smelting time after, Melting control module 10-4 is to the feedback signal of control system 10.
The step of in order to further complete powder by atomization, further comprising the steps of, S51 control systems 10 receive Melting control
Module 10-4 temperature, time feedbacking signal, to inflation detection valve control assembly 10-5, exhaust detection valve control assembly 10-11
Send enabling signal.Inflation detection valve control assembly 10-5 opens atomization air pipe, and atomization air pipe is arranged on inflation detection valve
10-5 is connected to the pipeline of working chamber 1 in control assembly, and atomization air pipe has high and low pressure aerification function, and high pressure realizes atomization,
Back pressure is in 1~5MPa inert gas, and low pressure is filled with protective gas, and gas charge reaches 0.06MPa.High-pressure gas circuit passes through
Atomizer is filled with inert gas of the back pressure in 1~5MPa into equipment, and exhaust detection valve control assembly 10-5 opens air inducing,
Will atomization working gas discharge；
S52 inflation detection valve control assemblies 10-4, exhaust detection valve control assembly 10-5 to the feedback signal of control system 10,
Atomizer exit gas pressure and/or flow and/or time are monitored simultaneously；
S53 control systems 10 receive inflation detection valve control assembly 10-4, exhaust and detect that valve control assembly 10-5's is anti-
Feedback signal, signal is sent to rotating mechanism assembly 12；
In addition, the step of being also provided with equipment autostop, S60 Melting control module 10-4 feed back to control system 10 to be filled
Expect the monitoring signals of weight, molten metal flow to the 3% of weight of loading, and control system 10 sends above step to each functional module successively
Rapid reverse instruction, equipment downtime.
Any technical scheme disclosed in the invention described above unless otherwise stated, if it discloses number range, then
Disclosed number range is preferred number range, it is any it should be appreciated by those skilled in the art：It is preferred that number range
The only obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, it is impossible to
Exhaustion, so just open component values of the invention are to illustrate technical scheme, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection domain should be constituted.
If the word such as " first ", " second " is used herein come if limiting parts, those skilled in the art should
This knows：" first ", the use of " second " are intended merely to facilitate in description and parts distinguished such as no Stated otherwise
Outside, above-mentioned word does not have special implication.
Meanwhile, if the invention described above is open or relate to the parts or structural member of connection fastened to each other, then, except another
There is statement outer, be fixedly connected and can be understood as：(such as using bolt or mode connects for screw) can be releasably fixedly connected with, can also
It is interpreted as：Non-removable to be fixedly connected and (such as rivet, weld), certainly, connection fastened to each other can also be integral type structure
(for example being manufactured using casting technique is integrally formed) replaces (substantially can not be using except integrally formed technique).
In addition, being used for applied in any technical scheme disclosed in the invention described above represents the art of position relationship or shape
Its implication includes approximate with its, similar or close state or shape to language unless otherwise stated.The either component that the present invention is provided
Both can be to be assembled by multiple single parts, or the separate part that integrally formed technique is manufactured.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among claimed technical scheme scope of the invention.
Claims (10)
1. a kind of automatic metal fuel pulverizing plant, including the working chamber for smelting metal, and it is arranged on the working chamber bottom
Spray chamber, the spray chamber bottom is provided with coarse powder collecting tank, cyclone separator is provided with and communicated with the spray chamber, described
Cyclone separator bottom is provided with fines collection tank；Characterized in that, also including by circuit assembly to the automatic metal system
The control system that powder device is controlled.
2. automatic metal fuel pulverizing plant according to claim 1, it is characterised in that also including be sequentially connected in series mechanical pump,
Lobe pump and diffusion pump, and pipeline assembly, the pipeline assembly include：
Connect the first pipeline of the mechanical pump and the lobe pump；
Connect the second pipeline of the lobe pump and the diffusion pump；
Connect the 3rd pipeline of the diffusion pump and the working chamber；
Connect the 4th pipeline of the diffusion pump and second pipeline；
Connect the 5th pipeline of the spray chamber and second pipeline.
3. automatic metal fuel pulverizing plant according to claim 2, it is characterised in that the control system includes：
Button assembly for starting the automatic metal fuel pulverizing plant；
Also include affiliated mechanical pump is controlled mechanical pump control module, to being controlled that the diffusion pump is controlled
Diffusion pump control module and Roots's pump control module for being controlled to the lobe pump.
4. automatic metal fuel pulverizing plant according to claim 3, it is characterised in that be provided with the 3rd on the 5th pipeline
Vacuum valve；Second pipeline connect the diffusion pump one end to the 4th pipeline connect second pipeline one end it
Between be provided with the second vacuum valve；The 4th vacuum valve is provided with 4th pipeline；The first vacuum is provided with the diffusion pump
Valve.
5. automatic metal fuel pulverizing plant according to claim 1, it is characterised in that also including being set with the UNICOM of working chamber
The inflation detection valve put, and for controlling the Melting control module of working chamber's start and stop.
6. automatic metal fuel pulverizing plant according to claim 5, it is characterised in that the row of being provided with the cyclone separator
Gas detects valve.
7. automatic metal fuel pulverizing plant according to claim 1, it is characterised in that also including for being placed on working chamber
In molten drop rotation rotating mechanism assembly.
8. a kind of automatic metal milling method, it is characterised in that including：
After the completion of S10 chargings, pass through the button assembly starting device of control system；
S21 control systems send enabling signal, mechanical pump startup, diffusion pump to mechanical pump control module, diffusion pump control module
Preheating.It is delayed after the very first time, mechanical pump control module is to control system feedback signal；
S22 control systems receive the Time-delayed Feedback model of mechanical pump control module, and assembly, the are controlled to the first vacuum detecting-valve
One vacuum valve control assembly sends enabling signal, and the second vacuum valve, the 3rd vacuum valve are opened, and mechanical pump starts to take out very equipment
It is empty.Vacuum is evacuated to 500Pa, and the first vacuum detecting-valve controls assembly to control system feedback signal；
S23 control systems receive the vacuum feedback model of the first vacuum detecting-valve control assembly, are controlled to the second vacuum valve total
Enabling signal is sent into, Roots's pump control module, the 4th vacuum valve is opened, and lobe pump starts to vacuumize equipment；Vacuum is evacuated to
Below 5Pa, the first vacuum detecting-valve controls assembly to control system feedback signal.
S24 control systems receive the vacuum feedback model of the first vacuum detecting-valve control assembly, to the second vacuum detecting-valve
Control assembly, diffusion pump send enabling signal, and the first vacuum valve is opened, and diffusion pump 9 starts to vacuumize equipment.Vacuum is evacuated to
6.63×10-3Below Pa, the second vacuum detecting-valve controls assembly to the feedback signal of control system 10.
9. automatic metal milling method according to claim 8, it is characterised in that also include：
S30 control systems receive the vacuum feedback model of the second vacuum detecting valve control assembly, total to inflation detection valve control
Into enabling signal is sent, inflation detection valve control assembly opens inflation detection valve, inert gas is filled with into equipment.Gas is filled with
Amount reaches 0.06MPa, and inflation detection valve controls assembly to control system feedback signal.
S40 control systems receive the pressure feedback model that inflation detection valve controls assembly, and startup letter is sent to Melting control module
Number, working chamber's inner heating device starts, and starts smelting metal bar；Meanwhile, Melting control module is entered to the smelting temperature of metal
Row monitoring, after the smelting time of systemic presupposition, Melting control module is to control system feedback signal.
10. automatic metal milling method according to claim 9, it is characterised in that also include：
S51 control systems receive the temperature of Melting control module, time feedbacking signal, to inflation detection valve control assembly, exhaust
Detection valve control assembly sends enabling signal.Inflation detection valve control assembly opens atomization air pipe, and high-pressure gas circuit passes through atomization
Device is filled with inert gas of the back pressure in 1~5MPa into equipment, and exhaust detection valve control assembly opens air inducing, will be atomized work
Make gas discharge；
S52 inflation detection valve controls assembly, exhaust detection valve control assembly to control system feedback signal, while monitoring atomizer
Exit gas pressure and/or flow and/or time；
S53 control systems receive the feedback signal that inflation detection valve control assembly, exhaust detection valve control assembly, to whirler
Structure assembly sends signal；
S60 Melting controls module feeds back the monitoring signals of weight of loading to control system, and molten metal flow to the 3% of weight of loading,
Control system sends the reverse instruction of above step, equipment downtime to each functional module successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710278142.8A CN107199344A (en) | 2017-04-25 | 2017-04-25 | A kind of automatic metal fuel pulverizing plant and method |
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| CN201710278142.8A CN107199344A (en) | 2017-04-25 | 2017-04-25 | A kind of automatic metal fuel pulverizing plant and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705095A (en) * | 2018-07-11 | 2018-10-26 | 江苏普隆磁电有限公司 | A kind of Nd-Fe-B permanent magnet anaerobic fuel pulverizing plant |
| CN111482614A (en) * | 2020-05-12 | 2020-08-04 | 施立新 | Intelligent gas atomization powder making device |
| CN115213421A (en) * | 2022-08-15 | 2022-10-21 | 西安建筑科技大学 | Steel powder atomization system for short-process 3D printing and atomization method thereof |
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| CN111482614A (en) * | 2020-05-12 | 2020-08-04 | 施立新 | Intelligent gas atomization powder making device |
| CN115213421A (en) * | 2022-08-15 | 2022-10-21 | 西安建筑科技大学 | Steel powder atomization system for short-process 3D printing and atomization method thereof |
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